1. A push drain, comprising: a drainage rod (1), an upper cover (2) and a lower cover (3), wherein the drainage rod (1) is arranged in a cavity (8) formed by the upper cover (2) and the lower cover (3),

the drainage rod (1) is of a hollow structure with a sealed tail, and a water inlet (11) and a water outlet (12) are formed in the drainage rod (1);

the tail part of the drainage rod (1) is connected with the tail part of the lower cover (3) through a spring (5);

the upper cover (2) is provided with a hollow column (21),

the bottom of the drainage rod (1) is further provided with a first fixing groove (13) and a second fixing groove (14), the lower cover (3) is further provided with a draw hook (6) matched with the first fixing groove (13) and the second fixing groove (14), when the drainage rod (1) is pulled out, the draw hook (6) is connected with the second fixing groove (14), and the water inlet (11) is communicated with the hollow column (21); when the drainage rod (1) is pushed in, the draw hook (6) is connected with the first fixing groove (13), and the water inlet (11) is disconnected with the hollow column (21).

2. The push drain as claimed in claim 1, wherein: the tail of the drainage rod (1) is provided with a drainage rod plug (4) for sealing the drainage rod (1).

3. The push drain as claimed in claim 2, wherein: the drainage rod plug (4) is clamped inside the drainage rod (1), a second annular groove (41) is formed in the outer side of the drainage rod plug (4) in the circumferential direction, and a second sealing ring (42) is arranged in the annular groove of the second annular groove (41).

4. The push drain as claimed in claim 2, wherein: the drainage rod plug (4) is provided with a groove (43), and one end of the spring (5) is limited in the groove (43).

5. A push drain as claimed in claim 4, wherein: the inner side of the tail of the lower cover (3) is provided with a spring positioning column (31), and the other end of the spring (5) is sleeved on the spring positioning column (31).

6. The push drain as claimed in claim 1, wherein: a first annular groove (22) is formed in the bottom of the hollow column (21), and a first sealing ring (23) is arranged in the annular groove of the first annular groove (22).

7. The push drain as claimed in claim 1, wherein: the bottom of the drainage rod (1) is further provided with a guide groove (15), and the first fixing groove (13) and the second fixing groove (14) are communicated and are located in the guide groove (15).

8. The push drain as claimed in claim 1, wherein: lower cover (3) inside is equipped with U-shaped steel wire (32), and lower cover (3) bottom upper surface is equipped with arch (33), and lower cover (3) bottom lower surface is equipped with two convex wedge (34) downwards, is equipped with arc wall (35) on wedge (34), U-shaped steel wire (32) pass lower cover (3) bottom, the upper portion and protruding (33) contact of U-shaped steel wire (32), U-shaped steel wire (32) lower extreme is buckled and is buckled the department and locate in arc wall (35).

9. A push drain as claimed in claim 8, wherein: the bottom of the lower cover (3) is provided with a cover plate (7), and the cover plate (7) and the lower cover (3) surround the U-shaped steel wire (32).

10. A method of draining a push drain as claimed in any one of claims 1 to 9, wherein: the method comprises the following steps:

the first step is as follows: the hollow column (21) is connected with a water channel of equipment needing drainage through an external pipeline;

the second step is that: the drainage rod (1) is pressed, the drainage rod (1) moves towards the direction far away from the upper cover (2) and the lower cover (3) under the action of the elastic force of the spring (5), when the draw hook (6) is connected with the second fixing groove (14), the hollow column (21) is communicated with the water inlet (11), the water inlet (11) and the water outlet (12) form a passage, and the drainage device enters water through the water inlet (11) and drains water through the water outlet (12);

the third step: after the drainage is finished, the drainage rod (1) is pushed, the drainage rod (1) moves towards the direction close to the upper cover (2) and the lower cover (3) under the elastic action of the spring (5), and at the moment, the draw hook (6) is connected with the first fixing groove (13), so that a passage formed by the water inlet (11) and the water outlet (12) is disconnected.

Background

In many production and living occasions, devices for changing and draining water are required, such as household fish tanks, water purifiers, hydrogen absorbers, oxygen absorbers and the like, and how to simply, conveniently and reliably finish water changing or draining becomes a problem to be considered.

At present, a common method is to connect a pipeline, guide water to a lower position, plug an outlet on the other side of the pipeline by a silica gel plug, and seal the outside by a screw cap. When water needs to be drained, the screw cap is unscrewed, the silica gel plug is pulled out, water can be drained through the pipeline under the action of gravity, after the water is drained, the silica gel plug needs to be manually placed back, and then the screw cap is screwed on to finish the water drainage action. Above-mentioned drainage device, operation process is more complicated, and is consuming time longer, convenient inadequately, and drainage silica gel stopper and nut are easily lost or are damaged.

Disclosure of Invention

The purpose of the application is: the push type drainage device is used for simply and quickly draining equipment needing drainage.

The purpose of this application is accomplished through following technical scheme, a push type drainage device, it includes: a drainage rod, an upper cover and a lower cover, wherein the drainage rod is arranged in a cavity formed by the upper cover and the lower cover,

the water drainage rod is of a hollow structure with a sealed tail part, and a water inlet and a water outlet are formed in the water drainage rod;

the upper cover is provided with a hollow column;

the drainage rod is also provided with a first fixing groove and a second fixing groove, the lower cover is also provided with a draw hook matched with the first fixing groove and the second fixing groove, when the drainage rod is pulled out, the draw hook is connected with the second fixing groove, and the water inlet is communicated with the hollow column; when the drain bar is pushed in, the draw hook is connected with the first fixing groove, and the water inlet is disconnected with the hollow column.

Preferably, the tail part of the drainage rod is provided with a drainage rod plug for sealing the drainage rod.

Preferably, the drain rod plug is clamped inside the drain rod, a second annular groove is formed in the periphery of the outer side of the drain rod plug, and a second sealing ring is arranged in the annular groove of the second annular groove.

Preferably, the drain bar plug is provided with a groove, and one end of the spring is limited in the groove.

Preferably, a spring positioning column is arranged on the inner side of the tail part of the lower cover, and the other end of the spring is sleeved on the spring positioning column.

Preferably, a first annular groove is formed in the bottom of the hollow column, and a first sealing ring is arranged in the annular groove of the first annular groove.

Preferably, the inside of the drain pole is further provided with a guide groove, and the first fixing groove and the second fixing groove are located in the guide groove.

Preferably, the inside U-shaped wire that is equipped with of lower cover, lower cover bottom upper surface is equipped with the arch, and lower cover bottom lower surface is equipped with two downward convex wedges, is equipped with the arc wall on the wedge, the U-shaped wire pass lower cover bottom, the upper portion and the protruding contact of U-shaped wire, the U-shaped wire lower extreme is buckled and is buckled the department and locate in the arc wall.

Preferably, the bottom of the lower cover is provided with a cover plate, and the cover plate and the lower cover surround the U-shaped steel wire.

A method of using a push drain, comprising:

the first step is as follows: connecting the hollow column with a water channel of equipment needing drainage through an external pipeline;

the second step is that: when the draw hook is connected with the second fixing groove, the hollow column is communicated with the water inlet, the water inlet and the water outlet form a passage, and the drainage device enters water through the water inlet and drains water through the water outlet;

the third step: after the drainage is finished, the drainage rod is pushed to move towards the direction close to the upper cover and the lower cover, and the draw hook is connected with the first fixing groove to disconnect a passage formed by the water inlet and the water outlet.

Compared with the prior art, the application has the following obvious advantages and effects:

1. with a push drain, comprising: the drainage rod is arranged in a cavity formed by the upper cover and the lower cover, the drainage rod is of a hollow structure with a sealed tail part, and a water inlet and a water outlet are formed in the drainage rod; the upper cover is provided with a hollow column; the drainage rod is also provided with a first fixing groove and a second fixing groove, the lower cover is also provided with a draw hook matched with the first fixing groove and the second fixing groove, when the drainage rod is popped up, the draw hook is connected with the second fixing groove, and the water inlet is communicated with the hollow column; when the drain bar pushed in, the drag hook was connected with first fixed slot, and the water inlet was disconnected with hollow post, provided a promotion formula drainage device, realized simply swiftly carrying out the drainage to needs drainage equipment.

Drawings

FIG. 1 is a front cross-sectional view of the push drain of the present application as closed.

Fig. 2 is a front sectional view of the push drain of the present application when open.

Fig. 3 is a front cross-sectional view of a hollow column in the present application.

Fig. 4 is a schematic perspective view of an angle of a hollow column in the present application.

Fig. 5 is a schematic perspective view of another angle of the hollow column in the present application.

Fig. 6 is a front sectional view of the upper cover in the present application.

Fig. 7 is a perspective view of an angle of the upper cover in the present application.

Fig. 8 is a perspective view of another angle of the upper cover in the present application.

Fig. 9 is a front sectional view of the lower cover in the present application.

Fig. 10 is a perspective view of an angle of a lower cover in the present application.

Fig. 11 is a perspective view of another angle of the lower cover in the present application.

Figure 12 is a front cross-sectional view of a drain rod plug according to the present application.

Figure 13 is an isometric view of one angle of the drain rod stop of the present application.

Figure 14 is a perspective view of another angle of the drain rod plug of the present application.

Fig. 15 is an exploded view of a push drain in the present application.

List of parts in this application

1. A drain rod; 11. a water inlet; 12. a water outlet; 13. a first fixing groove; 14. a second fixing groove; 15. a guide groove; 2. an upper cover; 21. a hollow column; 22. a first annular groove; 23. a first seal ring; 3. a lower cover; 31 a spring locating post; a U-shaped steel wire; 33. a wedge block; 34. a bevel; 35. an arc groove; 4. a drain rod plug; 41. a second annular groove; 42. a second seal ring; 43. a groove; 5. a spring; 6. pulling a hook; 7. a cover plate; 8. a cavity; 9. and (4) screws.

Detailed Description

Specific embodiments thereof are described below in conjunction with the following description and the accompanying drawings to teach those skilled in the art how to make and use the best mode of the present application. For the purpose of teaching application principles, the following conventional aspects have been simplified or omitted. Those skilled in the art will appreciate variations from these embodiments that fall within the scope of the application. Those skilled in the art will appreciate that the features described below can be combined in various ways to form multiple variations of the present application. In the present application, the terms "upper", "lower", "left", "right", "middle" and "one" are used for clarity of description, and are not used to limit the scope of the invention, and the relative relationship between the terms and the corresponding terms may be changed or adjusted without substantial technical change. Thus, the present application is not limited to the specific embodiments described below, but only by the claims and their equivalents.

Fig. 1 to 15 show a specific embodiment of the push drain of the present application.

The push type drainage device comprises a drainage rod 1, an upper cover 2 and a lower cover 3, wherein the drainage rod 1 is arranged in a cavity 8 formed by the upper cover 2 and the lower cover 3, the drainage rod 1 can stretch and move in the cavity 8, the drainage rod 1 is of a hollow structure with a sealed tail, and a water inlet 11 and a water outlet 12 are formed in the drainage rod 1; the tail part of the drainage rod 1 is connected with the tail part of the lower cover 3 through a spring 5; the upper cover 2 is provided with a hollow column 21; the drainage rod 1 is further provided with a first fixing groove 13 and a second fixing groove 14, the lower cover 3 is further provided with a draw hook 6 matched with the first fixing groove 13 and the second fixing groove 14, when the drainage rod 1 is popped up, the draw hook 6 is connected with the second fixing groove 14, and the water inlet 11 is communicated with the hollow column 21; when the drainage rod 1 is pushed in, the draw hook 6 is connected with the first fixing groove 13, and the water inlet 11 is disconnected with the hollow column 21.

When in use, the hollow column 21 is connected with a water channel of equipment needing water drainage through an external pipeline; when the drainage rod 1 is pressed and released, the drainage rod 1 moves in a direction far away from the upper cover 2 and the lower cover 3 under the action of the elastic force of the spring 5, when the draw hook 6 reaches the second fixing groove 14 from the first fixing groove 13, the water inlet 11 on the drainage rod 1 is separated from the cover of the upper cover 2, the hollow column 21 is communicated with the water inlet 11, the water inlet 11 and the water outlet 12 form a passage, and the drainage device enters water through the water inlet 11 and drains water through the water outlet 12; after accomplishing the drainage, promote drainage rod 1, drainage rod 1 are to the direction motion of being close to upper cover 2 and lower cover 3, until drainage rod 1 gets into the inner space that upper cover 2 and lower cover 3 formed completely, and first fixed slot 13 is connected to drag hook 6 this moment, and the route disconnection that water inlet 11 and delivery port 12 formed realizes simply swiftly draining to needing drainage equipment.

As shown in fig. 1 to 15, in the embodiment of the present application, the push type drainage device includes a drainage rod 1, an upper cover 2 and a lower cover 3, wherein the drainage rod 1 is disposed in a cavity 8 formed by the upper cover 2 and the lower cover 3, the drainage rod 1 is of a hollow structure, and a drainage rod plug 4 for sealing the drainage rod 1 is disposed at the tail of the drainage rod 1; the drain rod plug 4 is clamped in the drain rod 1, a second annular groove 41 is formed in the outer side of the drain rod plug 4 in the circumferential direction, and a second sealing ring 42 is arranged in the annular groove of the second annular groove 41; the water drainage rod 1 is provided with a water inlet 11 and a water outlet 12; the second sealing ring 42 is matched with the inner wall of the drainage rod 1 to seal liquid or gas, so that the water inlet hole 11 and the water outlet hole 12 on the drainage rod 1 become the only path of the liquid, the drainage rod plug 4 is provided with a groove 43, and one end of the spring 5 is limited in the groove 43; a spring positioning column 31 is arranged on the inner side of the tail part of the lower cover 3, the other end of the spring 5 is sleeved on the spring positioning column 31, the spring 5 connects the drainage rod plug 4 with the spring positioning column 31, and the tail part of the drainage rod 1 is indirectly connected with the tail part of the lower cover 3; the upper cover 2 is provided with a hollow column 21; the drainage rod 1 is further provided with a first fixing groove 13 and a second fixing groove 14, the lower cover 3 is further provided with a draw hook 6 matched with the first fixing groove 13 and the second fixing groove 14, when the drainage rod 1 is popped up, the draw hook 6 is connected with the second fixing groove 14, and the water inlet 11 is communicated with the hollow column 21; when the drainage rod 1 is pushed in, the draw hook 6 is connected with the first fixing groove 13, and the water inlet 11 is disconnected with the hollow column 21.

In this embodiment, drainage rod end cap 4 when realizing 1 afterbody of sealed drainage rod, recess 43 realizes spring 5's spacing, guarantees when using this device, promotes drainage rod 1, and spring 5 can not misplace, and spring reference column 31 realizes fixing spring 5, plays spacing effect equally.

Specifically, as shown in fig. 1 to 2, in the embodiment of the present application, a first annular groove 22 is provided at the bottom of the hollow column 21, a first sealing ring 23 is provided in the annular groove of the first annular groove 22, the space between the water inlet 11 and the water outlet 12 is connected, when the position of the water inlet 11 is within the range of the first annular groove 22, water in the hollow column 21 can enter the interior of the water drainage rod 1 through the water inlet 11 and can be discharged through the water outlet 12, and when the position of the water inlet 11 is outside the first annular groove 22, the water path in the hollow column 21 is closed by the first sealing ring 23 and the upper side wall of the water drainage rod 1 and cannot enter the interior of the water drainage rod 1, so that the relative position of the water inlet 11 of the water drainage rod 1 and the first annular groove 22 determines the conduction or the closing of the water path.

It should be noted that, as shown in fig. 1 to 15, in the embodiment of the present application, the push type drainage device of the present application includes a drainage rod 1, an upper cover 2 and a lower cover 3, where the drainage rod 1 is disposed in a cavity 8 formed by the upper cover 2 and the lower cover 3, the drainage rod 1 is telescopically movable in the cavity 8, and the drainage rod 1 is provided with a water inlet 11 and a water outlet 12; the drainage rod 1 is of a hollow structure, and a drainage rod plug 4 for sealing the drainage rod 1 is arranged at the tail of the drainage rod 1; the drain rod plug 4 is provided with a groove 43, and one end of the spring 5 is limited in the groove 43; the other end of the spring 5 is connected with the tail part of the lower cover 3; the upper cover 2 is provided with a hollow column 21; the drainage rod 1 is further provided with a first fixing groove 13 and a second fixing groove 14, a guide groove 15 is further formed in the drainage rod 1, and the first fixing groove 13 and the second fixing groove 14 are located in the guide groove 15; the lower cover 3 is also provided with a draw hook 6 matched with the first fixing groove 13 and the second fixing groove 14, when the drainage rod 1 is pulled out, the draw hook 6 is connected with the second fixing groove 14, and the water inlet 11 is communicated with the hollow column 21; when the drainage rod 1 is pushed in, the draw hook 6 is connected with the first fixing groove 13, and the water inlet 11 is disconnected with the hollow column 21.

When in use, the hollow column 21 is connected with a water channel of equipment needing water drainage through an external pipeline; the drainage rod 1 is pressed and released, the drainage rod 1 moves towards the direction far away from the upper cover 2 and the lower cover 3 under the elastic force action of the spring 5, the spring 5 is limited under the action of the groove 43, the spring 5 is ensured not to be dislocated when the drainage rod 1 moves in the cavity 8, the drainage rod 1 can be ensured to return smoothly, when the draw hook 6 reaches the second fixing groove 14 from the first fixing groove 13, the water inlet 11 on the drainage rod 1 is separated from the cover of the upper cover 2, the hollow column 21 is communicated with the water inlet 11, the water inlet 11 and the water outlet 12 form a passage, the drainage device enters water through the water inlet 11, the water is drained through the water outlet 12, the first fixing groove 13 and the second fixing groove 14 are located inside the guide groove 15, the first fixing groove 13 is communicated with the second fixing groove 14, and the guide groove 15 is used for movably guiding the draw hook 6, so that the draw hook 6 can move between the first fixing groove 13 and the second fixing groove 14; accomplish the drainage after, promote drainage pole 1, drainage pole 1 is to the direction motion that is close to upper cover 2 and lower cover 3 under spring 5's elastic force effect, get into the inner space that upper cover 2 and lower cover 3 formed completely until drainage pole 1, first fixed slot 13 is connected to drag hook 6 this moment, the route disconnection of water inlet 11 and delivery port 12 formation, through with drag hook 6 and spring 5 cooperation fix and adjust drainage pole 1 in order to open or close the drainage channel in the position between upper cover 2 and lower cover 3, and easy operation, spare part is difficult to damage and the loss, and it is more convenient to use.

It should be noted that, as shown in fig. 1, 2, 9, 10 and 11, in the embodiment of the present application, a U-shaped steel wire 32 is provided inside the lower cover 3, a protrusion 33 is provided on the upper surface of the bottom of the lower cover 3, two wedge blocks 34 protruding downward are provided on the lower surface of the bottom of the lower cover 3, arc grooves 35 are provided on the wedge blocks 34, the U-shaped steel wire 32 passes through the bottom of the lower cover 3, the upper portion of the U-shaped steel wire 32 contacts with the protrusion 33, the lower end of the U-shaped steel wire 32 is bent and is provided in the arc grooves 35, the protrusion 33 functions to support the U-shaped steel wire 32 and upwardly support the drainage rod 1 so that the drainage rod 1 and the upper cover 2 are tightly attached to ensure the sealing performance, the arc grooves 35 function to fix the U-shaped steel wire 32, when the drainage device is installed, the upper cover 2 and the lower cover 3 are first assembled, after the upper cover 2 and the lower cover 3 are integrated, the installation position of the U-shaped steel wire 32 is limited, and both ends of the U-shaped steel wire 32 can be placed on the wedge blocks 34, along wedge 34 with U shaped steel silk 32 push to the arc wall 35 in, lower cover 3 bottom is provided with apron 7, apron 7 surrounds U shaped steel silk 32 with lower cover 3, plays sealed guard action.

It should be noted that, as shown in fig. 15, in the embodiment of the present application, a plurality of connection holes are respectively formed on the upper cover 2 and the lower cover 3 of the push-type drainage device, a plurality of screws 9 are used for connecting the upper cover 2 and the lower cover 3 through the plurality of connection holes, and the upper cover 2 and the lower cover 3 are further provided with a plurality of mounting holes for mounting the push-type drainage device on an instrument or equipment to be served.

A method of draining a push drain, comprising:

the first step is as follows: connecting the hollow column 21 with a water channel of equipment needing drainage through an external pipeline;

the second step is that: when the draw hook 6 is connected with the second fixing groove 14, the hollow column 21 is communicated with the water inlet 11, the water inlet 11 and the water outlet 12 form a passage, and the drainage device enters water through the water inlet 11 and drains water through the water outlet 12;

the third step: after the drainage is finished, the drainage rod 1 is pushed, the drainage rod 1 moves towards the direction close to the upper cover 2 and the lower cover 3, and at the moment, the draw hook 6 is connected with the first fixing groove 12, so that a passage formed by the water inlet 11 and the water outlet 12 is disconnected.

In summary, the present application has the following advantages:

1. the drainage action can be simply and quickly realized, and the device is particularly suitable for use scenes needing frequent drainage;

2. the operation is simple and convenient, and the device is suitable for family environment and common people without any professional skills and operation experience;

3. the application scene is wide, and the method is suitable for various liquids and gases;

4. after the device is installed, parts do not need to be disassembled in the using process, so that the condition that the parts are frequently damaged or lost does not exist.

Since any modifications, equivalents, improvements, etc. made within the spirit and principles of the application may readily occur to those skilled in the art, it is intended to be included within the scope of the claims of this application.