1. The utility model provides an energy-conserving full purification smoke ventilator, includes pipeline (7), its characterized in that: the bottom of the pipeline (7) is fixedly provided with a protective cover (5) for better collecting the smoke generated during cooking, the central position of the bottom of the shield (5) is fixedly provided with a smoke suction hood (1), the central position of the smoke suction hood (1) outside the lower end is uniformly provided with a plurality of air inlet holes (11), when the smoke suction hood is opened, smoke can conveniently enter the pipeline (7) from the air inlet holes (11), a smoking disc (6) is fixedly arranged at the center of the outer circular surface of the pipeline (7), a plurality of fans (61) are uniformly and fixedly arranged in the upper end of the smoking disc (6), a plurality of air delivery pipes (62) are uniformly and fixedly arranged on the inner circular surface of the smoking disc (6), one end of the air delivery pipe (62) is connected with the air collection disc (63), and a plurality of elastic sheets (64) are uniformly and fixedly installed on the outer circular surface of the upper end of the air collection disc (63).

2. The energy-saving full-purification range hood according to claim 1, characterized in that: a water pump (9) is fixedly installed on the outer surface of the upper end of the shield (5) close to the pipeline (7), a water pipe (91) is fixedly connected to the upper end of the water pump (9), the upper end of the water pipe (91) penetrates through the pipeline (7) and is fixedly connected with a drainage ring (92), a support rod (94) is fixedly installed at the other end of the outer circular surface of the drainage ring (92), the drainage ring (92) is supported and fixed when the drainage ring (92) is installed, and a plurality of water spray nozzles (93) are uniformly and fixedly installed on the outer circular surface of the drainage ring (92); the rear end fixed mounting of smoke suction hood (1) has water tank (2), and the lower extreme of water pipe (91) runs through water pump (9) and fixed mounting in the inside of water tank (2), the lower extreme external fixed surface of water tank (2) installs delivery port (4), the one end fixed mounting of delivery port (4) has water valve (3), the upper end one side fixed mounting of water tank (2) has water inlet (10), the fixed position that the upper surface of smoke suction hood (1) is close to inlet port (11) has breast board (12), breast board (12) and smoke suction hood (1) eaves jade all around form basin (14), one side of basin (14) is close to one end position and has seted up blowoff hole (16), and blowoff hole (16) make basin (14) inside and water tank (2) internal connection, be convenient for wash inside the cleaner behind the smoke suction hood enters into water tank (2), the outer surface fixed mounting in the upper end of breast board (12) has reposition of redundant personnel mechanism (13) for on the cleaner flows reposition of redundant personnel mechanism (13) from pipeline (7) inside surface, in flowing to basin (14) from reposition of redundant personnel mechanism (13) again, avoid the cleaner to flow to inlet port (11) department.

3. An energy-saving full-purification range hood according to claim 2, wherein: the flow distribution mechanism (13) comprises a flat plate (131) and a conical cover (132); the outer fixed surface in the upper end of breast board (12) installs dull and stereotyped (131), the upper end surface central point of dull and stereotyped (131) puts fixed mounting has conical cover (132), is convenient for the cleaner to flow to the upper end surface of dull and stereotyped (131) from the outer surface of conical cover (132).

4. An energy-saving full-purification range hood according to claim 2, wherein: the internal surface central point of water tank (2) puts fixed mounting with division board (15), and the cleaner flows to water tank (2) in through blowoff hole (16), and the precipitate in the cleaner can precipitate water tank (2) bottom, and the floater can float division board (15) one side, and the opposite side of division board (15) is flowed through the lower extreme of division board (15) to no miscellaneous cleaner, and the lower extreme fixed mounting of water pipe (91) puts at the opposite side central point of division board (15), is convenient for water pump (9) the clean cleaner of extraction.

5. An energy-saving full-purification range hood according to claim 2, wherein: a liquid inlet mechanism (8) is fixedly installed on one side of the outer surface of the upper end of the water tank (2), and the liquid inlet mechanism (8) comprises a push rod (81), a first clamping head (82), a second clamping head (83), a cavity (84), a spring (85) and a water tank cover (86); the utility model discloses a water tank, including cavity (84) and cavity (81), one side outer fixed surface of inside of cavity (84) is located one side position inside and has been seted up, the one end fixed mounting of spring (85) has second dop (83), lower extreme surface one side fixed surface of second dop (83) has push rod (81), the one end of push rod (81) runs through water tank (2) and extends to the outside, the upper end joint position block of second dop (83) is connected with first dop (82), the upper end outer fixed surface of first dop (82) is connected with water tank lid (86), the surface of one side of water tank lid (86) rotates with the upper end one side surface of water tank (2) and is connected.

6. An energy-saving full-purification range hood according to claim 2, wherein: the lower extreme position of water tank (2) becomes to leak hopper-shaped, is convenient for make used cleaner and discharges completely in water tank (2), water tank (2) are transparent material, are convenient for observe the cleaner muddy degree in water tank (2), judge whether change the cleaner.

Background

The range hood is an electric appliance for completely sucking oil fume and the like generated during cooking in a household kitchen, can well complete the functional function, and has a decoration concept of fusing the modern kitchen pattern.

Chinese patent discloses a smoke ventilator, and patent application number is CN201710116570.0, a smoke ventilator includes: the range hood comprises a range hood body, a range hood body and a range hood body, wherein the range hood body is provided with a lampblack suction inlet and a lampblack discharge outlet; the oil smoke rotary collecting device comprises an air deflector, an air channel is arranged in the air deflector, an air inlet and an air outlet which are communicated with the air channel are arranged on the air deflector, and the air deflector forms a tornado-shaped cyclone by utilizing air flow sprayed from the air outlet.

In the comparison patent, only the suction force of the range hood is increased to better extract oil smoke generated on a cooking range, but when the range hood absorbs the oil smoke, oil stain in the oil smoke can be attached to the impeller and can flow to the rotating shaft of the motor along the impeller, and impurities in the oil stain can cause the friction force of the rotating shaft to be increased, so that the normal work of the impeller is influenced, and the suction force of the range hood after the range hood is used for a period of time is insufficient, or even the range hood cannot work; in addition, also do not set up cleaning device to smoke ventilator in the contrast patent, smoke ventilator is after using a period, and a large amount of grease can be adhered to the pipeline inner wall, and a large amount of bacteriums can be bred to the grease, influences people's sanitary environment, can bring unnecessary disease for people when serious, and the grease also can produce the foul smell simultaneously, through the passageway cluster in the smoke ventilator in the kitchen, causes the smell in the kitchen to be bad, influences people's living environment.

Therefore, the energy-saving full-purification range hood is provided.

Disclosure of Invention

The invention aims to provide an energy-saving full-purification range hood to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an energy-conserving full purification smoke ventilator, the bottom fixed mounting of pipeline has the guard shield, the flue gas that produces when being used for better collection to cook, the bottom central point of guard shield puts fixed mounting and has the smoke absorption cover, the smoke absorption cover is located lower surface central point and puts and evenly has seted up a plurality of inlet ports, and the flue gas of being convenient for when opening smoke ventilator enters into the pipeline from the inlet port in, the outer disc central point of pipeline puts fixed mounting and has the smoking set, the inside even fixed mounting in smoking set upper end has a plurality of fans, the even fixed mounting of disc has a plurality of defeated tuber pipes in the smoking set, the one end and the collection tuber pipe are connected, the even fixed mounting in outer disc position of upper end of collection tuber plate has.

When the smoke exhaust ventilator sucks oil smoke, oil stains in the oil smoke can be attached to the impeller, so that the suction of the smoke exhaust ventilator is insufficient after the smoke exhaust ventilator is used for a period of time, the work of the impeller is influenced, and even the smoke exhaust ventilator cannot work, the invention drives air to enter the air conveying pipe (the fan is connected with an external power supply) through the rotation of the fan, finally, the air flows into the air collecting disc along the air conveying pipe, the internal pressure is strong because the continuous air enters the air collecting disc, at the moment, the gas with high pressure can push the elastic sheet to flow upwards along the pipeline to form high-flow-rate air, at the moment, the high-flow-rate high pressure at the upper end inside the pipeline is small, the relatively non-flow-rate pressure at the lower end inside the pipeline is strong, under the condition of atmospheric pressure, the air at the lower end of the pipeline and the oil smoke can be pressed into the inside the pipeline together (the upper end of the pipeline is connected with the outside through the connecting pipeline), in order to supplement the air pressure at the lower end of the pipeline, the air and the oil smoke around the smoke suction hood can flow into the pipeline along the air inlet hole, and simultaneously drives the oil smoke generated on the cooking bench to enter the pipeline through the air inlet hole, the air with the oil smoke finally enters the upper end of the air collecting disc through the gap between the air conveying pipes and is mixed with the air flowing at high speed to be discharged out of the room (as shown in the figures and the figures, the air collecting disc is integrally connected with the air conveying pipes, the outer surface of the lower end of the air collecting disc is in a closed state), the protective cover is used for better absorbing the smoke generated on the cooking bench when the smoke suction hood works, when the smoke suction hood stops working, because the fan does not input air into the air collecting disc any more, the internal air pressure is recovered to be normal, the elastic sheet is closed, the upper end of the air collecting disc also flows out at a wind speed in the closing process, the wind speed gradually reduces the elastic sheet to be gradually folded, because the air flowing, the oil fume extraction device has the advantages that the oil fume extraction device can not enter the air collecting disc, air with oil fume can be pushed away by air sprayed from the air collecting disc, in addition, the air speed of the elastic sheet in the air collecting disc in the closed process is gradually reduced, the flow speed of the upper end inside the pipeline gradually tends to normal air pressure, therefore, the air pressures at the upper end and the lower end inside the pipeline also gradually tend to be balanced, the suction force of the oil pumping press is also gradually reduced, the elastic sheet is gradually drawn in and finally closed, the oil fume is reduced in the whole working process and passes through the air collecting disc, the air conveying pipe flows back to enter the position of the fan, the problem that oil fume is attached to the impeller on the fan is caused, in the whole oil fume extraction process, the fan is not in contact with the oil fume, the problem that the oil fume is attached to the impeller is solved, and the service life of the range hood is prolonged.

Preferably, a water pump is fixedly installed on the outer surface of the upper end of the shield, which is close to the pipeline, a water pipe is fixedly connected to the upper end of the water pump, the upper end of the water pipe penetrates through the pipeline and is fixedly connected with a drainage ring, a support rod is fixedly installed at the other end of the outer circular surface of the drainage ring, the drainage ring is supported and fixed when the drainage ring is installed, and a plurality of water spray ports are uniformly and fixedly installed on the outer circular surface of the drainage ring; the rear end of the smoke absorption hood is fixedly provided with a water tank, the lower end of the water pipe penetrates through the water pump and is fixedly arranged in the water tank, a water outlet is fixedly arranged on the outer surface of the lower end of the water tank, a water valve is fixedly arranged at one end of the water outlet, a water inlet is fixedly arranged at one side of the upper end of the water tank, a baffle plate is fixedly arranged at the position, close to the air inlet hole, of the upper surface of the smoke absorbing cover, the fence plate and the surrounding eave wall of the smoke absorption hood form a water tank, one side of the water tank close to one end is provided with a sewage discharge hole, and the inside of the water tank is connected with the inside of the water tank through the sewage discharge hole, so that a cleaning agent for cleaning the range hood can conveniently enter the water tank, the outer surface of the upper end of the baffle plate is fixedly provided with a flow dividing mechanism, the cleaning agent flows to the flow dividing mechanism from the inner surface of the pipeline and then flows to the water tank from the flow dividing mechanism, so that the cleaning agent is prevented from flowing to the air inlet.

After the range hood is used for a period of time, a large amount of oil dirt can be attached to the inner wall of a pipeline, a large amount of bacteria can be bred on the oil dirt, the sanitary environment of people can be influenced, unnecessary diseases can be brought to people when the range hood is serious, meanwhile, the oil dirt can generate unpleasant smell, the smell in a kitchen can be smelled difficultly due to the fact that the oil dirt is communicated with the kitchen through a channel in the range hood, and the living environment of people can be influenced. Through the filtration of division board, once more by the water pump extraction, form a cyclic utilization, after the cleaner uses a period, the cleaning performance of cleaner reduces, through opening the water valve and discharging the abluent water tank that became invalid, then close the water valve, inject water into the water tank through the water inlet, stop the water injection when injecting the water of suitable volume, open the tank lid, add liquid detergent or other concentrated cleaners in the water tank and make it mix with the water in the water tank, come the circulation to use clearance smoke ventilator, smoke ventilator pipeline inner wall adhesion greasy dirt has been reduced, breed the problem that the bacterium influences people's sanitary environment, also reduced the greasy dirt simultaneously and produced unpleasant smell, in the passageway cluster kitchen through the smoke ventilator, cause the smell in the kitchen difficult, influence the problem of people's living environment.

Preferably, the flow dividing mechanism comprises a flat plate and a conical cover; the upper end surface fixed mounting of breast board has the flat board, dull and stereotyped upper end surface central point puts fixed mounting has the toper cover, and the abluent of being convenient for flows to dull and stereotyped upper end surface from the outer surface of toper cover.

When the range hood is cleaned, cleaning agents can drip into the water channel on the smoke absorption hood along the inner wall of the pipeline, but some cleaning agents can drip onto the air inlet hole on the smoke absorption hood and fall onto the cooking bench along the air inlet hole to pollute the cooking bench.

Preferably, the internal surface central point of water tank puts fixed mounting with the division board, and the cleaner flows to the water tank in through the blowoff hole, and the precipitate in the cleaner can deposit the water tank bottom, and the floater can float division board one side, and the lower extreme that no miscellaneous cleaner can pass through the division board flows to the opposite side of division board, and the lower extreme fixed mounting of water pipe puts at the opposite side central point of division board, and the water pump of being convenient for extracts clean cleaner.

When the cleaning agent cleaning device works, the cleaning agent flowing into the water tank flows into the water tank along the sewage discharge hole, is extracted by the water pump and then is recycled, but when the cleaning agent is extracted by the water pump, the used cleaning agent contains a large amount of impurities, and is pumped into the water pump to influence the normal work of the water pump, even cause the water pump to be incapable of working normally. The problems of unsmooth water pumping and even incapability of the water pump are caused.

Preferably, a liquid inlet mechanism is fixedly mounted on one side of the outer surface of the upper end of the water tank and comprises a push rod, a first clamping head, a second clamping head, a cavity, a spring and a water tank cover; the utility model discloses a water tank, including the water tank, the upper end of water tank is located one side position inside and has seted up the cavity, the inside one side external surface fixed mounting of cavity has the spring, the one end fixed mounting of spring has the second dop, the lower extreme surface one side fixed mounting of second dop has the push rod, the one end of push rod runs through the water tank and extends to the outside, the upper end joint position block of second dop is connected with first dop, the upper end external surface fixed connection of first dop has the tank lid, one side surface of tank lid rotates with the upper end one side surface of water tank to be connected.

After turbid cleaning agent in the water tank is discharged, water is discharged into the water tank through the water inlet, the cleaning agent is conveniently placed into the water tank and then mixed with water, the push rod is pressed to drive the second chuck to be separated from the first chuck, so that the water tank cover is easily opened, the cleaning agent is added into the water tank, the water tank cover is covered again, in the process of tightly covering the water tank cover, the water tank cover is pressed to drive the first chuck to extrude the second chuck, the second chuck can move towards the inside of the cavity under the extrusion condition of the first chuck, and meanwhile, the spring is driven to compress, when the first chuck is extruded to the clamping position with the second chuck, the second chuck is pushed to be tightly clamped with the first chuck under the counter-elastic force of the spring, the quick opening and closing and fixing of the water tank cover are realized, and the cleaning agent is conveniently added into the water tank.

Preferably, the lower extreme position of water tank becomes to leak hopper-shaped, is convenient for make used cleaner and discharges completely in the water tank, the water tank is transparent material, is convenient for observe the muddy degree of cleaner in the water tank, judges whether to change the cleaner.

The cleaning agent in the water tank becomes turbid after being used for a period of time, the cleaning agent becomes poor in decontamination effect, and cleaning of the range hood at the back is affected.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention can be used for flushing away the oil smoke by the gas sprayed by the air collecting disc in the process of extracting the oil smoke by the fan, so that the oil smoke cannot enter the position of the fan through the air collecting disc and the air conveying pipe, thereby reducing the problem that oil stains are attached to the impeller, prolonging the service life of the range hood, collecting and closing the elastic sheets when the range hood stops working, and reducing the problem that the oil stains are attached to the impeller on the fan due to the fact that the oil smoke flows back to the position of the fan through the air collecting disc.

2. The cleaning agent in the water tank is pumped by the water pump and sprayed onto the inner wall of the pipeline for cleaning, and then the cleaned cleaning agent flows into the water tank along the inner wall of the pipeline to form a cycle utilization, so that the problems that the inner wall of the pipeline of the range hood is attached with oil stains, bacteria are bred and the sanitary environment of people is influenced are solved, and meanwhile, the problems that the oil stains generate unpleasant smell and the oil stains are mixed into a kitchen through a channel in the range hood to cause the unpleasant smell in the kitchen and influence the living environment of people are solved.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a rear view of the present invention;

FIG. 3 is a front sectional view of the present invention;

FIG. 4 is a perspective view of the gas collection disk of the present invention;

FIG. 5 is a cross-sectional view B-B of the present invention;

FIG. 6 is a perspective view of the drain ring of the present invention;

FIG. 7 is a cross-sectional view taken along line A-A of the present invention;

FIG. 8 is a perspective view of the diverter mechanism of the present invention;

FIG. 9 is a rear end partial cross-sectional view of the present invention;

fig. 10 is an enlarged view at a of the present invention.

In the figure: 1. a smoke suction hood; 2. a water tank; 3. a water valve; 4. a water outlet; 5. a shield; 6. a smoking tray; 61. a fan; 62. a wind delivery pipe; 63. a wind collecting plate; 64. a spring plate; 7. a pipeline; 8. a liquid inlet mechanism; 81. a push rod; 82. a first chuck; 83. a second chuck; 84. a cavity; 85. a spring; 86. a water tank cover; 9. a water pump; 91. a water pipe; 92. a drainage ring; 93. a water jet; 94. a support bar; 10. a water inlet; 11. an air inlet; 12. a breast board; 13. a flow dividing mechanism; 131. a flat plate; 132. a conical cover; 14. a water tank; 15. a separator plate; 16. and a sewage draining hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 10, the present invention provides a technical solution of an energy-saving full-purification range hood:

an energy-saving full-purification range hood is shown in fig. 1 to 5, wherein a shield 5 is fixedly mounted at the bottom of a pipeline 7 and used for better collecting smoke generated during cooking, a smoke suction hood 1 is fixedly mounted at the bottom center position of the shield 5, a plurality of air inlet holes 11 are uniformly formed in the center position of the lower surface of the smoke suction hood 1, when the range hood is opened, smoke can conveniently enter the pipeline 7 from the air inlet holes 11, a smoke suction disc 6 is fixedly mounted at the center position of the outer circular surface of the pipeline 7, a plurality of fans 61 are uniformly and fixedly mounted in the upper end of the smoke suction disc 6, a plurality of air conveying pipes 62 are uniformly and fixedly mounted on the inner circular surface of the smoke suction disc 6, one end of each air conveying pipe 62 is connected with an air collecting disc 63, and a plurality of elastic sheets 64 are uniformly and fixedly mounted on the outer circular surface of the upper end of the air collecting disc 63; when the smoke exhaust ventilator sucks oil smoke, oil stains in the oil smoke can be attached to the impeller, so that the suction force of the smoke exhaust ventilator is insufficient after the smoke exhaust ventilator is used for a period of time, the work of the impeller is influenced, and even the smoke exhaust ventilator cannot work, the invention drives air to enter the air conveying pipe 62 through the rotation of the fan 61 (the fan 61 is connected with an external power supply), finally the air flows into the air collecting disc 63 along the air conveying pipe 62, the internal pressure is strong because the continuous air enters the air collecting disc 63, at the moment, the gas with high pressure pushes the elastic sheet 64 upwards along the pipeline 7 to form high-flow-rate air, the flow rate at the upper end inside the pipeline 7 is large, the pressure intensity is small, the lower end inside the pipeline 7 is strong relative to the non-flow-rate pressure, under the condition of atmospheric pressure, the air at the lower end of the pipeline 7 and the oil smoke can, in order to supplement the air pressure at the lower end of the pipeline 7, the air and the oil smoke around the smoke absorbing hood 1 flow into the pipeline 7 along the air inlet hole 11, and simultaneously, the oil smoke generated on the cooking bench is driven to enter the pipeline 7 through the air inlet hole 11, the air with the oil smoke finally enters the upper end of the air collecting disc 63 through the gap between the air conveying pipes 62 and is mixed with the air flowing at high speed to be discharged out of the room (as shown in fig. 4 and 5, the air collecting disc 63 is integrally connected with the air conveying pipes 62, the outer surface of the lower end of the air collecting disc 63 is in a closed state), the shield 5 is used for better absorbing the smoke generated on the cooking bench when the smoke absorbing hood works, when the smoke absorbing hood stops working, because the fan 61 does not input air into the air collecting disc 63 any more, the internal air pressure of the smoke absorbing disc returns to normal, the elastic sheet 64 is closed, the upper end of the air collecting disc 63 also flows out at a wind speed in the closing process, and the wind speed is gradually reduced by the elastic sheet 64, because the air with oil smoke flowing out of the lower end of the inner part of the pipeline 7 at the wind speed can not enter the air collecting disc 63 when passing through the air collecting disc 63, because the air with oil smoke is pushed away by the air ejected by the air collecting disc 63, in addition, the wind speed ejected by the air collecting disc 63 is gradually reduced in the closing process of the elastic sheet 64, the flow speed of the upper end inside the pipeline 7 gradually approaches to the normal air pressure, therefore, the air pressure at the upper end and the lower end inside the pipeline 7 gradually tends to be balanced, the suction force of the oil pumping press also gradually becomes smaller, the elastic sheet 64 is gradually furled and finally closed, in the whole working process, the problem that oil stains are attached to the impeller on the fan 61 due to the fact that oil smoke flows back to the position of the fan 61 through the air collecting disc 63 and the air conveying pipe 62 is solved, in the whole oil smoke extraction process, the fan 61 is not in contact with the oil smoke, and the problem that oil stains are attached to the impeller is solved, so that the service life of the range hood is prolonged.

As an embodiment of the present invention, as shown in fig. 1 to 3, 5 to 6, and 8, a water pump 9 is fixedly installed on an outer surface of an upper end of the hood 5 at a position close to the pipeline 7, a water pipe 91 is fixedly connected to an upper end of the water pump 9, an upper end of the water pipe 91 penetrates through the pipeline 7 and is fixedly connected to a drain ring 92, a support rod 94 is fixedly installed at the other end of an outer circumferential surface of the drain ring 92, the drain ring 92 is supported and fixed when the drain ring 92 is installed, and a plurality of water injection ports 93 are uniformly and fixedly installed on the outer circumferential surface of the drain ring 92; the rear end fixed mounting of smoke absorption cover 1 has water tank 2, and the lower extreme of water pipe 91 runs through water pump 9 and fixed mounting in the inside of water tank 2, the lower extreme external surface fixed mounting of water tank 2 has delivery port 4, the one end fixed mounting of delivery port 4 has water valve 3, upper end one side fixed mounting of water tank 2 has water inlet 10, the fixed position that the upper surface of smoke absorption cover 1 is close to inlet port 11 installs breast board 12, breast board 12 and smoke absorption cover 1 eaves jade all around form basin 14, one side of basin 14 is close to one end position and has seted up blowoff hole 16, and blowoff hole 16 makes basin 14 inside and water tank 2 internal connection, and the cleaner after being convenient for wash smoke absorption cover enters into inside water tank 2, the upper end external surface fixed mounting of breast board 12 has shunt mechanism 13 for the cleaner flows on shunt mechanism 13 from pipeline 7 internal surface, then the cleaning agent flows into the water tank 14 from the flow dividing mechanism 13, and the cleaning agent is reduced from flowing to the air inlet hole 11; after the range hood is used for a period of time, a large amount of oil dirt can be attached to the inner wall of the pipeline 7, a large amount of bacteria can be bred on the oil dirt, the sanitary environment of people can be affected, unnecessary diseases can be brought to people when the oil dirt is serious, meanwhile, the oil dirt can generate unpleasant smell, the smell in a kitchen can be smelled difficultly due to the fact that the oil dirt penetrates through a channel in the range hood and then affects the living environment of people, the cleaning agent in the water tank 2 is extracted through the water pump 9 and then is pumped to the drainage ring 92, the cleaning agent can be sprayed onto the inner wall of the pipeline 7 through the water spraying port 93 in the drainage ring 92, the cleaning agent can flow downwards along the inner wall of the pipeline 7 and can react with the oil dirt on the inner wall of the pipeline 7 when flowing downwards, the reacted oil dirt can be mixed with the cleaning agent and flows downwards along the inner wall of the pipeline 7, finally flows onto the flow dividing mechanism 13 and flows into the water tank 14 through the flow dividing mechanism 13, finally, the cleaned cleaning agent flows into the water tank 2 along the water tank 14 through the sewage discharge hole 16, is filtered by the separation plate 15 and is extracted by the water pump 9 again to form a cycle utilization, after the cleaning agent is used for a period of time, the cleaning effect of the cleaning agent is reduced, the failed cleaning agent is discharged out of the water tank 2 by opening the water valve 3, then the water valve 3 is closed, water is injected into the water tank 2 through the water inlet 10, the water injection is stopped when a proper amount of water is injected, the water tank cover 86 is opened, detergent or other concentrated cleaning agents are added into the water tank 2 to be mixed with the water in the water tank 2, so as to cyclically use and clean the range hood, reduce the problem that oil stains are attached to the inner wall of the range hood pipeline 7, influence the sanitary environment of people due to breeding of bacteria, reduce the generation of unpleasant smell of the oil stains, and cause the smell in the kitchen through the passage in the range hood to be communicated with the kitchen, the problem of influencing the living environment of people.

As an embodiment of the present invention, as shown in fig. 3 and 7, the flow dividing mechanism 13 includes a flat plate 131, a conical cover 132; a flat plate 131 is fixedly arranged on the outer surface of the upper end of the breast board 12, and a conical cover 132 is fixedly arranged in the center of the outer surface of the upper end of the flat plate 131, so that cleaning agents can flow to the outer surface of the upper end of the flat plate 131 from the outer surface of the conical cover 132 conveniently; when the range hood is cleaned, cleaning agents can drip into the water tank 14 on the smoke absorption hood 1 along the inner wall of the pipeline 7, but some cleaning agents can drip onto the air inlet holes 11 on the smoke absorption hood 1 and fall onto a cooking bench along the air inlet holes 11 to pollute the cooking bench.

As an embodiment of the present invention, as shown in fig. 4, 6, and 8, a separation plate 15 is fixedly installed at a central position of an inner surface of the water tank 2, the cleaning agent flows into the water tank 2 through a sewage discharge hole 16, a precipitate in the cleaning agent is precipitated at the bottom of the water tank 2, a floating object floats to one side of the separation plate 15, the cleaning agent without impurities flows to the other side of the separation plate 15 through a lower end of the separation plate 15, and a lower end of a water pipe 91 is fixedly installed at a central position of the other side of the separation plate 15, so that the water pump 9 can conveniently pump the clean cleaning agent; when the cleaning agent cleaning device works, the cleaning agent flowing into the water tank 14 flows into the water tank 2 along the sewage discharge hole 16, is extracted by the water pump 9 and then is recycled (after the cleaning agent reacts with the oil stain in the pipeline 7, the cleaning agent does not completely react and still has the capacity of cleaning the oil stain, and the cleaning agent cannot be used for a plurality of times), but when the cleaning agent is extracted by the water pump 9, the used cleaning agent contains a large amount of impurities, and is pumped into the water pump 9 to influence the normal work of the water pump 9, even cause the water pump 9 to be incapable of working normally, by installing the isolation plate 15 in the water tank 2, when the cleaning agent is discharged into the water tank 2, the flotage in the cleaning agent floats on one side of the water tank 2 with the sewage discharge hole 16, the isolation plate 15 divides the water tank 2 into two parts, so that the flotage cannot drift to the other side of the water tank 2, and the sediment in the cleaning agent can be deposited at the bottom of the water tank 2, the miscellaneous cleaner of nothing can flow the opposite side of division board 15 through the lower extreme of division board 15, and water pipe 91 installs the opposite side position at division board 15, makes things convenient for the clean cleaner of water pump 9 extraction, reduces impurity in the cleaner and blocks up water pump 9, causes to draw water not smooth, the unable problem of working of water pump 9 even.

As an embodiment of the present invention, as shown in fig. 8 to 9, a liquid inlet mechanism 8 is fixedly installed at one side of an outer surface of an upper end of the water tank 2, and the liquid inlet mechanism 8 includes a push rod 81, a first chuck 82, a second chuck 83, a cavity 84, a spring 85, and a water tank cover 86; a cavity 84 is formed in the upper end of the water tank 2 and positioned on one side, a spring 85 is fixedly mounted on the outer surface of one side in the cavity 84, a second chuck 83 is fixedly mounted at one end of the spring 85, a push rod 81 is fixedly mounted on one side of the outer surface of the lower end of the second chuck 83, one end of the push rod 81 penetrates through the water tank 2 and extends to the outside, a first chuck 82 is connected to the clamping position of the upper end of the second chuck 83 in a clamping mode, a water tank cover 86 is fixedly connected to the outer surface of the upper end of the first chuck 82, and the outer surface of one side of the water tank cover 86 is rotatably connected with the outer surface of one side of the upper end of the water tank 2; after the turbid cleaning agent in the water tank 2 is discharged, the water is discharged into the water tank 2 through the water inlet 10, in order to facilitate the cleaning agent to be put into the water tank 2 and then mixed with water, the invention enables the push rod 81 to drive the second chuck 83 to be separated from the first chuck 82 by pressing the push rod 81, so that the water tank cover 86 is easily opened, then the cleaning agent is added into the water tank 2, and then the water tank cover 86 is covered, in the process of tightly covering the water tank cover 86, pressing the water tank cover 86 drives the first chuck 82 to extrude the second chuck 83, the second chuck 83 moves towards the inside of the cavity 84 under the extrusion condition of the first chuck 82, and simultaneously drives the spring 85 to compress, when first dop 82 extrudeed with second dop 83 joint position, promote second dop 83 and the inseparable block of first dop 82 under spring 85's bounce, realized opening and shutting fast and fixed to water tank lid 86, conveniently add the cleaner in the water tank 2.

As an embodiment of the present invention, as shown in fig. 1 to 3, the lower end of the water tank 2 is funnel-shaped, so that the used cleaning agent can be completely discharged from the water tank 2, and the water tank 2 is made of a transparent material, so that the turbidity degree of the cleaning agent in the water tank 2 can be observed to determine whether to replace the cleaning agent; the cleaning agent in the water tank 2 becomes turbid after being used for a period of time, the cleaning agent becomes poor in treatment effect, and the subsequent cleaning of the range hood is influenced.

The using method comprises the following steps: the invention drives air to enter the air conveying pipe 62 through the rotation of the fan 61 (the fan 61 is connected with an external power supply), finally the air flows into the air collecting disc 63 along the air conveying pipe 62, because the continuous air enters the air collecting disc 63 to cause strong internal pressure, at the moment, the gas with high pressure can push the elastic sheet 64 to flow upwards along the pipeline 7 to form high-flow-rate air, at the moment, the flow rate and the pressure of the upper end inside the pipeline 7 are small, the pressure of the lower end inside the pipeline 7 is strong relative to no flow rate, under the condition of atmospheric pressure, the air and the oil smoke at the lower end of the pipeline 7 can be pressed into the pipeline 7 together by the atmospheric pressure (the upper end of the pipeline 7 is connected with the outside through a connecting pipeline), in order to supplement the air pressure at the lower end of the pipeline 7, the air and the oil smoke around the smoke absorption hood 1 can flow into the pipeline 7 along the air inlet hole 11, and simultaneously drives the oil smoke generated on the cooking bench to enter the pipeline 7 through the air inlet hole 11, the air with oil smoke finally enters the upper end of the air collecting disc 63 through the gap between the air conveying pipes 62 and is mixed with the air flowing at high speed and discharged out of the room (as shown in fig. 4 and 5, the air collecting disc 63 is integrally connected with the air conveying pipes 62, the outer surface of the lower end of the air collecting disc 63 is in a closed state), the shield 5 is used for better absorbing the smoke generated on the cooking bench when the range hood works, when the range hood stops working, because the fan 61 does not input air into the air collecting disc 63 any more, the internal air pressure returns to normal, the elastic sheet 64 is closed, the upper end of the air collecting disc 63 still flows out at wind speed when the elastic sheet 64 is closed, the wind speed gradually reduces the elastic sheet 64 to be gradually collected, because the air with oil smoke at the lower end inside the pipeline 7 flows out, does not enter the air collecting disc 63 when passing through the air collecting disc 63, because the air with oil smoke is pushed away by the air sprayed from the air collecting disc 63, in addition, the air speed sprayed by the air collecting disc 63 is gradually reduced in the closing process of the elastic sheet 64, the flow speed of the upper end inside the pipeline 7 gradually tends to normal air pressure, therefore, the air pressures at the upper end and the lower end inside the pipeline 7 gradually tend to balance, the suction force of the oil pumping press also gradually decreases, the elastic sheet 64 is gradually folded and finally closed, the problem that oil smoke enters the position of the fan 61 through the air collecting disc 63 and the air conveying pipe 62 in a backflow mode in the whole working process is reduced, oil stain is attached to the impeller on the fan 61, the fan 61 is not in contact with the oil smoke in the whole oil smoke extraction process, the problem that the oil stain is attached to the impeller is reduced, and therefore the service life of the range hood is prolonged. In addition, the cleaning agent in the water tank 2 is pumped by the water pump 9 and then pumped to the position of the drainage ring 92, the cleaning agent is sprayed onto the inner wall of the pipeline 7 by the water spray nozzle 93 on the drainage ring 92, the cleaning agent flows downwards along the inner wall of the pipeline 7, the cleaning agent reacts with oil stain on the inner wall of the pipeline 7 while flowing downwards, the reacted oil stain is mixed with the cleaning agent and flows downwards along the inner wall of the pipeline 7, finally flows onto the flow dividing mechanism 13 and flows into the water tank 14 through the flow dividing mechanism 13, finally the cleaned cleaning agent flows into the water tank 2 through the sewage discharge hole 16 along the water tank 14 and is pumped by the water pump 9 again to form a cycle utilization, after the cleaning agent is used for a period of time, the cleaning effect of the cleaning agent is reduced, the failed cleaning agent is discharged out of the water tank 2 by opening the water valve 3, then the water valve 3 is closed, and water is injected into the water tank 2 through the water inlet 10, when a proper amount of water is injected, water injection is stopped, the water tank cover 86 is opened, and detergent or other concentrated cleaning agents are added into the water tank 2 to be mixed with the water in the water tank 2, so that the range hood is recycled, the problems that the oil stain is attached to the inner wall of the range hood pipeline 7, bacteria are bred to influence the sanitary environment of people are solved, meanwhile, the problem that the oil stain generates unpleasant smell and is communicated into a kitchen through a channel in the range hood to cause the unpleasant smell in the kitchen and influence the living environment of people is also solved; the selectable models of the fan are as follows: ZX22060HA2 model, the water pump can select the model as follows: KLP-YHBZ-4451 type.

The electric elements in the document are electrically connected with an external main controller and 220V mains supply through a transformer, the main controller can be a conventional known device controlled by a computer and the like, the product model provided by the invention is only used according to the structural characteristics of the product, the product can be adjusted and modified after being purchased, so that the product is more matched with and accords with the technical scheme of the invention, the product model is a technical scheme of the optimal application of the technical scheme, the product model can be replaced and modified according to the required technical parameters, and the product model is familiar to the technical personnel in the field, so that the technical scheme provided by the invention can clearly obtain the corresponding use effect.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.