1. The utility model provides a ball valve of function is prevented frostbite to detectable low temperature, includes valve pipe (1), support frame (13), extension board (18) and transmission shaft (22), its characterized in that:

the side wall of the valve pipe (1) is provided with a pressure relief shell (2) in a penetrating mode, the right side of the valve pipe (1) is connected with a first connecting pipe (5) through a first screw rod (3) and a first nut (4), the left side of the valve pipe (1) is connected with a second connecting pipe (6) through the first screw rod (3) and the first nut (4), one end, far away from the valve pipe (1), of the second connecting pipe (6) is connected with a first sealing cover (9) through a second screw rod (7) and a second nut (8), the upper end of the second connecting pipe (6) is communicated with an external connecting pipe (10), and the outer side of the external connecting pipe (10) is wrapped with an electric heating sleeve (11) through a binding band (12);

the support frame (13) is arranged at the upper end of the second connecting pipe (6), the support frame (13) is arranged at the upper right part of the outer connecting pipe (10), the upper end of the support frame (13) is rotatably connected with a rotary table (14), the upper end of the rotary table (14) is provided with a solar panel (15), and meanwhile, the upper end of the rotary table (14) is provided with a bolt (16) in a penetrating manner;

the support plate (18) is arranged in the valve pipe (1), the left end and the right end of the support plate (18) are respectively clamped on the side walls of the second connecting pipe (6) and the first connecting pipe (5), a valve core (19) penetrates and rotates between the upper support plate and the lower support plate (18), the left side and the right side of the valve core (19) are respectively contacted with a sealing ring (20), and a first spring (21) is arranged at the outer end of the sealing ring (20);

the transmission shaft (22) is connected with the upper end of the valve core (19) in a clamping mode, one end, far away from the valve core (19), of the transmission shaft (22) penetrates through the valve pipe (1) in a sealing mode and is connected with the handle (24) through the second sealing cover (23), the second sealing cover (23) is connected with the upper end of the valve pipe (1), a stop lever (25) is arranged at the upper end of the second sealing cover (23), and meanwhile a pressing block (26) penetrates through the stop lever (25).

2. The ball valve capable of detecting the low-temperature antifreezing function as claimed in claim 1, wherein: pressure release casing (2) including pressure release hole (201), second spring (202) and piston rod (203), and pressure release hole (201) have been seted up to pressure release casing (2) lateral wall, be provided with second spring (202) in pressure release casing (2), and run through in second spring (202) and be connected with piston rod (203).

3. The ball valve capable of detecting the low-temperature antifreezing function as claimed in claim 1, wherein: the first sealing cover (9) comprises a connecting rod (901), a filter screen cover (902) and an open slot (903), the right end of the first sealing cover (9) is connected with the filter screen cover (902) through the connecting rod (901), and the open slot (903) is formed in the upper end of the filter screen cover (902).

4. The ball valve capable of detecting the low-temperature antifreezing function as claimed in claim 1, wherein: the supporting frame (13) comprises a control box (1301), a storage battery (1302), a temperature sensor (1303) and a controller (1304), the control box (1301) is arranged at the lower end of the supporting frame (13), the storage battery (1302) is arranged on the inner wall of the control box (1301), the temperature sensor (1303) penetrates through the control box (1301), and the controller (1304) is arranged inside the control box (1301).

5. The ball valve capable of detecting the low-temperature antifreezing function as claimed in claim 4, wherein: the solar panel (15) is provided with two, and the solar panel (15), the storage battery (1302), the temperature sensor (1303), the controller (1304) and the electric heating jacket (11) are electrically connected.

6. The ball valve capable of detecting the low-temperature antifreezing function as claimed in claim 1, wherein: the lower end of the bolt (16) is in threaded connection with the positioning hole (17), and the positioning hole (17) is distributed at the upper end of the support frame (13) in an annular array shape.

7. The ball valve capable of detecting the low-temperature antifreezing function as claimed in claim 1, wherein: the number of the sealing rings (20) is two, and first springs (21) are distributed on each sealing ring (20) in an annular array.

8. The ball valve capable of detecting the low-temperature antifreezing function as claimed in claim 1, wherein: the number of the stop levers (25) is two, and the two stop levers (25) are arranged on the second sealing cover (23) in a staggered mode.

9. The ball valve capable of detecting the low-temperature antifreezing function as claimed in claim 1, wherein: the stop lever (25) is in threaded connection with the pressing block (26), and the stop lever (25) is provided with two pressing blocks (26).

Background

The ball valve is widely applied to industries such as petroleum refining, long-distance pipelines, chemical industry, paper making, pharmacy, water conservancy, electric power, municipal administration, steel and the like, and plays a very important role in national economy.

Disclosure of Invention

The invention aims to provide a ball valve capable of detecting a low-temperature anti-freezing function, and aims to solve the problems that a common ball valve provided in the background art does not have a filtering function, the interior of the ball valve is easily influenced by impurities in a medium for a long time to cause internal damage and reduce the sealing effect, and a valve core of the ball valve is easily frozen in a cold region, and the valve is difficult to open and close after the valve core is frozen.

In order to achieve the purpose, the invention provides the following technical scheme: a ball valve capable of detecting low-temperature antifreezing function comprises a valve pipe, a support frame, a support plate and a transmission shaft,

the side wall of the valve pipe is provided with a pressure relief shell in a penetrating mode, the right side of the valve pipe is connected with a first connecting pipe through a first screw and a first nut, the left side of the valve pipe is connected with a second connecting pipe through the first screw and the first nut, one end, far away from the valve pipe, of the second connecting pipe is connected with a first sealing cover through the second screw and the second nut, the upper end of the second connecting pipe is communicated with an external connecting pipe, and the outer side of the external connecting pipe is wrapped with an electric heating sleeve through a binding band;

the support frame is arranged at the upper end of the second connecting pipe, the support frame is arranged at the upper right side of the outer connecting pipe, the upper end of the support frame is rotatably connected with a rotary table, a solar panel is arranged at the upper end of the rotary table, and meanwhile, a bolt penetrates through the upper end of the rotary table;

the support plate is arranged in the valve pipe, the left end and the right end of the support plate are respectively clamped on the side walls of the second connecting pipe and the first connecting pipe, a valve core is arranged between the upper support plate and the lower support plate in a penetrating and rotating mode, the left side and the right side of the valve core are respectively contacted with the sealing ring, and the outer end of the sealing ring is provided with a first spring;

the transmission shaft is connected with the upper end of the valve core in a clamping mode, one end of the transmission shaft, far away from the valve core, penetrates through the valve pipe in a sealing mode, is connected with the handle through the second sealing cover, the second sealing cover is connected with the upper end of the valve pipe, a stop lever is arranged at the upper end of the second sealing cover, and a pressing block penetrates through the stop lever.

Preferably, the pressure relief shell comprises a pressure relief hole, a second spring and a piston rod, the pressure relief hole is formed in the side wall of the pressure relief shell, the second spring is arranged in the pressure relief shell, and the piston rod penetrates through the second spring.

Preferably, the first sealing cover comprises a connecting rod, a filter screen cover and an open slot, the right end of the first sealing cover is connected with the filter screen cover through the connecting rod, and the open slot is formed in the upper end of the filter screen cover.

Preferably, the support frame is including control box, battery, temperature sensor and controller, and the support frame lower extreme is provided with the control box, the control box inner wall is provided with the battery, and runs through in the control box and be provided with temperature sensor, and the inside controller that is provided with of control box simultaneously.

Preferably, the number of the solar panels is two, and the solar panels, the storage battery, the temperature sensor, the controller and the electric heating jacket are electrically connected.

Preferably, the lower end of the bolt is in threaded connection with the positioning hole, and the positioning holes are distributed at the upper end of the support frame in an annular array shape.

Preferably, the number of the sealing rings is two, and the first springs are distributed on each sealing ring in an annular array.

Preferably, the number of the stop levers is two, and the two stop levers are arranged on the second sealing cover in a staggered manner.

Preferably, the stop lever and the pressing block are in threaded connection, and the stop lever is provided with two pressing blocks.

Compared with the prior art, the invention has the beneficial effects that: the ball valve capable of detecting the low-temperature anti-freezing function,

(1) the valve comprises a valve body, a valve core, a first connecting pipe, a second connecting pipe, a first sealing cover, a second sealing cover, a first connecting pipe, a second connecting pipe, a first nut, a second nut, a first connecting pipe, a second connecting pipe and a filter screen cover, wherein the filter screen cover is arranged and can filter impurities contained in a flowing medium, and the damage of the impurities to the valve pipe and the valve core for a long time is reduced;

(2) under the action of the arranged temperature sensor, when the temperature sensor detects that the external temperature is lower than a certain value, the controller can control the electric heating sleeve to preheat the surface of the external pipe, so that a medium flowing into the valve pipe is not easy to freeze, or the frozen fluid at the valve core is melted by the heated medium;

(3) the two stop levers are arranged, the rotation of the handle is limited under the action of the stop levers, when the handle is abutted against the stop levers, the valve core is in a completely opened or completely closed rotating state, the handle after operation can be pressed and fixed through the pressing block, and the handle is prevented from being operated by mistake;

(4) can be according to the demand, when the valve pipe installation, pass through the carousel with the solar energy electroplax and rotate suitable position, run through carousel threaded connection through the bolt and to the solar energy electroplax rigidity after the adjustment in the locating hole, can provide the electric energy with light energy conversion for the electric energy storage and use in the battery under the effect of solar energy electroplax, reduce the consumption to external electric energy.

Drawings

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

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic top view of a second sealing cap according to the present invention;

FIG. 4 is a schematic view of the valve tube of the present invention in elevation;

FIG. 5 is a schematic view of the internal structure of the pressure relief housing of the present invention;

FIG. 6 is a schematic top view of the turntable according to the present invention;

fig. 7 is a schematic structural view of the first sealing cover of the present invention.

In the figure: 1. valve tube, 201, pressure release hole, 202, second spring, 203, piston rod, 2, pressure release casing, 3, first screw rod, 4, first nut, 5, first takeover, 6, second takeover, 7, second screw rod, 8, second nut, 9, first sealing cover, 901, connecting rod, 902, filter screen cover, 903, open slot, 10, external pipe, 11, electric heating jacket, 12, bandage, 13, support frame, 1301, control box, 1302, storage battery, 1303, temperature sensor, 1304, controller, 14, rotary table, 15, solar energy electric plate, 16, bolt, 17, locating hole, 18, support plate, 19, valve core, 20, sealing ring, 21, first spring, 22, transmission shaft, 23, second sealing cover, 24, handle, 25, stop lever, 26, briquetting.

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.

Referring to fig. 1-7, the present invention provides a technical solution: a ball valve capable of detecting a low-temperature anti-freezing function is disclosed, as shown in FIG. 1, FIG. 4, FIG. 5 and FIG. 7, a pressure relief casing 2 is arranged on the side wall of a valve tube 1 in a penetrating manner, the right side of the valve tube 1 is connected with a first connecting tube 5 through a first screw 3 and a first nut 4, the pressure relief casing 2 comprises a pressure relief hole 201, a second spring 202 and a piston rod 203, the side wall of the pressure relief casing 2 is provided with the pressure relief hole 201, the second spring 202 is arranged in the pressure relief casing 2, the piston rod 203 is connected in the second spring 202 in a penetrating manner, when the internal pressure is large and is larger than the external atmospheric pressure, fluid in the valve tube 1 compresses the second spring 202 through the piston rod 203, the fluid is sprayed out through the pressure relief hole 201 for pressure relief, the left side of the valve tube 1 is connected with a second connecting tube 6 through the first screw 3 and the first nut 4, and one end of the second connecting tube 6, which is far away from the valve tube 1, is connected with a first sealing cover 9 through the second screw 7 and a second nut 8, the first sealing cover 9 comprises a connecting rod 901, a filter screen cover 902 and an open slot 903, the right end of the first sealing cover 9 is connected with the filter screen cover 902 through the connecting rod 901, the open slot 903 is formed in the upper end of the filter screen cover 902, the filter screen cover 902 can filter impurities in a fluid, and abrasion of the impurities to the inside is reduced.

As shown in fig. 1, 4 and 6, the upper end of the second connection pipe 6 is communicated with the external connection pipe 10, the outer side of the external connection pipe 10 is wrapped with the electric heating jacket 11 through the binding band 12, the support frame 13 is arranged at the upper end of the second connection pipe 6, the support frame 13 is arranged at the upper right of the external connection pipe 10, the support frame 13 comprises a control box 1301, a storage battery 1302, a temperature sensor 1303 and a controller 1304, the lower end of the support frame 13 is provided with a control box 1301, the inner wall of the control box 1301 is provided with the storage battery 1302, the control box 1301 is internally provided with the temperature sensor 1303, the controller 1304 is arranged inside the control box 1301, the temperature sensor 1303 can monitor the external temperature, when the temperature is lower than a certain value, the electric heating jacket 11 is controlled by the controller 1304 to heat, the upper end of the support frame 13 is rotatably connected with a rotary table 14, the upper end of the rotary table 14 is provided with a solar panel 15, and the upper end of the rotary table 14 is provided with a bolt 16, solar energy electroplax 15 is provided with two, and be electric connection between solar energy electroplax 15, battery 1302, temperature sensor 1303, controller 1304 and the electrical heating cover 11, convert light energy into electric energy under the effect of solar energy electroplax 15 and store and provide the use in battery 1302, 16 lower extreme threaded connection of bolt are in locating hole 17, and locating hole 17 presents annular array form and distributes in support frame 13 upper end, through 16 screw threads of bolt in corresponding locating hole 17, can be spacing fixed to carousel 14 after the adjustment position.

As shown in fig. 1, 2, 3 and 4, the support plate 18 is disposed in the valve tube 1, the left and right ends of the support plate 18 are respectively clamped on the side walls of the second connection tube 6 and the first connection tube 5, meanwhile, the valve core 19 is penetrated and rotated between the upper and lower support plates 18, the left and right sides of the valve core 19 are respectively contacted with the sealing rings 20, the outer ends of the sealing rings 20 are provided with two first springs 21, the sealing rings 20 are provided with two first springs 21 distributed on each sealing ring 20 in an annular array, when the internal pressure is large but smaller than the external air pressure, the fluid in the valve tube 1 can compress the first springs 21 through the sealing rings 20 to be decompressed through the first springs 21, the pressure is decompressed on one side or two sides, the sealing rings 20 and the valve core 19 are better contacted and sealed under the action of the first springs 21, and when the valve core 19 rotates, the first springs 21 can play a certain buffering effect on the sealing rings 20, the transmission shaft 22 is clamped and connected with the upper end of the The utility model discloses a handle 24, including the sealed lid of second 23, the sealed lid of second 23 is connected with valve pipe 1 upper end, and the sealed lid upper end of second 23 is provided with pin 25, run through on the pin 25 simultaneously and be provided with briquetting 26, pin 25 is provided with two, and two pin 25 are staggered on the sealed lid of second 23, pin 25 can rotate handle 24 and play spacing effect, be threaded connection between pin 25 and the briquetting 26, and be provided with two briquetting 26 on the pin 25, it is fixed to compress tightly handle 24 after the operation through briquetting 26, avoid handle 24 maloperation.

The working principle is as follows: when the ball valve with the function of detecting low temperature and freezing prevention is used, the electric heating sleeve 11 is bound on the outer side of the outer connecting pipe 10 through the binding band 12, the outer connecting pipe 10 is connected with the fluid inlet pipe, the fluid outlet pipe is connected with the first connecting pipe 5, the solar panel 15 can be installed according to the valve pipe 1, the direction of the solar panel 15 is adjusted through the rotation of the rotary disc 14, after the adjustment, the solar panel 15 penetrates through the rotary disc 14 through the bolts 16 and is connected in the corresponding positioning holes 17 in a threaded mode to be fixed, the solar panel 15 can convert the light energy into the electric energy to be stored in the storage battery 1302 under the action of the solar panel, the storage battery 1302 is connected, the fluid flows in through the outer connecting pipe 10, flows out of the valve pipe 1 and the first connecting pipe 5 after being filtered by the open slot 903 and the filter screen cover 902, when the temperature sensor 1303 detects that the external temperature is lower than a certain value, the model, when the handle 24 contacts with the stop lever 25, the valve tube 1 is in a completely open or completely closed state, the operated handle 24 can be pressed and fixed through the pressing block 26 to prevent the handle 24 from being operated by mistake, when the internal pressure of the valve tube 1 is large and is larger than the external atmospheric pressure, the fluid in the valve tube 1 compresses the second spring 202 through the piston rod 203, the fluid is ejected out through the pressure relief hole 201 to relieve the pressure, when the internal pressure of the valve tube 1 is large but is smaller than the external atmospheric pressure, the valve tube 1 can compress the first spring 21 through the sealing ring 20 to relieve the pressure, the second nut 8 can be disassembled, the first sealing cover 9 is removed, and the strainer cover 902 is taken out from the second adapter pipe 6, and is maintained and cleaned, which is not described in detail in this specification, and is known to those skilled in the art.

The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for simplicity of description only and are not intended to indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operative in a particular orientation, and are not to be considered limiting of the claimed invention.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.