CN211779215U

CN211779215U - Automatic pressure relief valve

Info

Publication number: CN211779215U
Application number: CN201921846111.9U
Authority: CN
Inventors: 刘锦辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-10-27
Anticipated expiration: 2029-10-30

Abstract

The utility model discloses an automatic relief valve, including the return bend, the bottom joint plastic connector of return bend, the lower extreme joint jump ring of plastic connector, the bottom threaded connection stainless steel main part that the plastics connect, the inside of stainless steel main part sets up the plastics core, bolt fixed connection switch impeller is passed through to one side of plastics core, the fixed end cap of bolt fixed connection is passed through to one side of switch impeller, the opposite side of plastics core sets up row and presses the valve body, arrange the inside of pressing the valve body and set up silica gel sealing water grain, spring and row's pressure valve regulating cover, arrange the outside of pressing the valve body and cup joint the case, one side threaded connection disjunctor gland of case, the one end joint hand wheel of case, hand wheel surface grafting hand wheel pole, the bottom joint case gland of plastics core, the base is cup jointed to the surface of case gland. The device is small in size, convenient to install, capable of automatically resetting after pressure relief and wide in applicable product range.

Description

Automatic pressure relief valve

Technical Field

The utility model belongs to the technical field of the relief valve, concretely relates to automatic relief valve.

Background

At present, pressure relief valves on the market all release pressure once or for a period, but can not automatically adjust according to pressure to provide a proper pressure relief path, so that excessive steam in the sterilizer is discharged after pressure relief every time, and waste of steam and energy is caused.

The Chinese patent with the application number of [ 201721084561.X ] comprises the following contents: a pressure relief valve comprises a valve body, a sleeve, a first elastic piece, a valve cover, a push rod and a second elastic piece. The valve body is provided with a pressure relief channel, a first cavity, an exhaust port and a pressing part. The sleeve is arranged in the first cavity, is connected with the bottom wall of the first cavity in a sealing mode, and is provided with a second cavity aligned with the pressure relief channel. The upper end and the lower end of the first elastic piece are respectively abutted against the pressing part and the sleeve.

Although can be according to the automatic suitable pressure release route that provides of high-pressure gas's atmospheric pressure size in the contrast file, the relief valve in the contrast file, bulky, inconvenient installation, relief valve in the contrast file arrange the pressure blasting back, leak very easily, need return the producer and change the influence and use, the product that the relief valve in the contrast file used is limited moreover, so, we propose an automatic relief valve to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic relief valve to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an automatic pressure relief valve comprises a bent pipe, wherein the bottom of the bent pipe is connected with a plastic joint in a clamping manner, the lower end of the plastic joint is connected with a clamp spring in a clamping manner, the bottom of the plastic joint is in threaded connection with a stainless steel main body, a plastic core is arranged inside the stainless steel main body, one side of the plastic core is fixedly connected with a switch impeller through a bolt, one side of the switch impeller is fixedly connected with a fixed plug through a bolt, the other side of the plastic core is provided with a pressure relief valve body, silica gel water sealing particles, a spring and a pressure relief valve adjusting cover are arranged inside the pressure relief valve body, the outer part of the pressure relief valve body is sleeved with a valve core, one side of the valve core is in threaded connection with a connected gland, one end of the valve core is connected with a hand wheel in a clamping manner, the surface of the hand wheel is inserted with a hand wheel rod, the bottom of the base locking nut is fixedly connected with a base rubber mat through a bolt, and the bottom of the base rubber mat is communicated with a water inlet pressure pipe.

Preferably, the output end of the elbow is provided with a net liner and a pipe network nozzle shell, and a gasket is arranged between the pipe network nozzle shell and the elbow.

Preferably, the bottom of the water inlet pressure pipe is fixed with a heightening sleeve through a bolt, the bottom of the heightening sleeve is embedded with an anti-skidding rubber mat, and a gasket is arranged between the heightening sleeve and the bottom of the water inlet pressure pipe.

Preferably, the side face of the plastic core is fixedly connected with the circuit board through a bolt, the surface of the circuit board is fixedly connected with a circuit board fixing sheet through a bolt, and the outer surface of the circuit board is provided with a touch window.

Preferably, a gasket is arranged between the top of the inner top of the stainless steel main body and the top of the plastic core, and the valve core is arranged inside the stainless steel main body.

Preferably, the pressure discharge valve body is provided with a plurality of pressure discharge valve bodies which are arranged on one side of the plastic core, and the pressure discharge valve bodies are inserted into the plastic core.

The utility model discloses a technological effect and advantage: this automatic relief valve, through setting up the pressure relief valve body, not only small, easy to assemble uses, can also be suitable for different products, facilitates the use, adjusts the lid through set up silica gel water sealing granule, spring and pressure relief valve in the pressure relief valve body, can release the back automatic re-setting, and the device is small, easy to assemble, can release the back automatic re-setting, is suitable for the product extensively, convenient operation, simple.

Drawings

Fig. 1 is a schematic exploded view of the present invention;

fig. 2 is an exploded view of the pressure relief valve body.

In the figure: 1. bending the pipe; 2. a plastic joint; 3. a clamp spring; 4. a stainless steel body; 5. a plastic core; 6. opening and closing the impeller; 7. fixing the plug; 8. a pressure relief valve body; 9. silica gel water sealing particles; 10. a spring; 11. a pressure relief valve adjusting cover; 12. a valve core; 13. a connecting gland bush; 14. a hand wheel; 15. a hand wheel lever; 16. a valve core gland bush; 17. a base; 18. a base locking nut; 19. a base rubber cushion; 20. a water inlet pressure pipe; 21. a mouthpiece shell; 22. a heightening sleeve; 23. a circuit board.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides an automatic pressure relief valve as shown in figures 1-2, which comprises a bent pipe 1, the bottom of the elbow 1 is clamped with the plastic joint 2, when in use, one end of the pressure discharge valve body 8 is inserted in the plastic core 5, the valve cartridge 12 is then mounted on the plastic cartridge 5 through the stainless steel body 4, and then the other components are mounted in sequence, the water inlet pressure pipe 20 is connected with an external water pipe, water is discharged through the bent pipe 1, the water enters the water inlet pressure pipe 20, the generated pressure exceeds a preset value of 0-0.9Mpa, the hand wheel rod 15 is rotated manually, the pressure discharge valve body 8 can be extruded outwards through pressure, the gap can be opened in the water inlet end, the water flow can be discharged from the elbow pipe 1, thereby reach the protection product function of unnecessary internal pressure of discharge, when water pressure drops to the safe value in, the end of intaking can self-sealing to reach the automatic re-setting function.

It should be noted that, the power is connected to an external power, the volume of the pressure discharge valve body 8 is small, and the parameter setting value of the pressure discharge valve body 8 can be adjusted (0-0.9 Mpa) according to the actual use condition.

Specifically, through set up row pressure valve body 8 on plastics core 5, can be timely to the water pressure release, reduce the damage to the product, moreover, through setting up the parameter on arranging pressure valve body 8, can adjust according to the in-service use condition to protect the product, through arranging spring 10 in the inside of pressing valve body 8, can be after the pressure release, automatic re-setting facilitates the use, arrange moreover and press valve body 8 small, the assembly space demand is little, still is fit for different product uses.

Finally, it should be noted that: 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 modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. An automatic pressure relief valve, includes return bend (1), its characterized in that: the bottom of the elbow (1) is clamped with a plastic joint (2), the lower end of the plastic joint (2) is clamped with a clamp spring (3), the bottom of the plastic joint (2) is in threaded connection with a stainless steel main body (4), a plastic core (5) is arranged inside the stainless steel main body (4), one side of the plastic core (5) is fixedly connected with a switch impeller (6) through a bolt, one side of the switch impeller (6) is fixedly connected with a fixed plug (7) through a bolt, the other side of the plastic core (5) is provided with a pressure discharge valve body (8), the pressure discharge valve body (8) is internally provided with silica gel water sealing particles (9), a spring (10) and a pressure discharge valve adjusting cover (11), the outer part of the pressure discharge valve body (8) is sleeved with a valve core (12), one side of the valve core (12) is in threaded connection with a connecting gland (13), and one end of the valve core (12, the hand wheel is characterized in that a hand wheel rod (15) is inserted into the surface of the hand wheel (14), the bottom of the plastic core (5) is clamped with a valve core gland (16), the outer surface of the valve core gland (16) is sleeved with a base (17), the bottom of the base (17) is in threaded connection with a base locking nut (18), the bottom of the base locking nut (18) is fixedly connected with a base rubber gasket (19) through a bolt, and the bottom of the base rubber gasket (19) is communicated with a water inlet pressure pipe (20).

2. An automatic pressure relief valve according to claim 1, characterized in that: the output end of the elbow pipe (1) is provided with a net liner and a pipe network nozzle shell (21), and a gasket is arranged between the pipe network nozzle shell (21) and the elbow pipe (1).

3. An automatic pressure relief valve according to claim 1, characterized in that: the bottom of the water inlet pressure pipe (20) is fixed by a bolt to be heightened by a sleeve (22), the bottom of the heightened sleeve (22) is embedded with an anti-skidding rubber mat, and a gasket is arranged between the heightened sleeve (22) and the bottom of the water inlet pressure pipe (20).

4. An automatic pressure relief valve according to claim 1, characterized in that: the side of the plastic core (5) is fixedly connected with a circuit board (23) through a bolt, the surface of the circuit board (23) is fixedly connected with a circuit board fixing sheet through a bolt, and the outer surface of the circuit board (23) is provided with a touch window.

5. An automatic pressure relief valve according to claim 1, characterized in that: a gasket is arranged between the top of the stainless steel main body (4) and the top of the plastic core (5), and the valve core (12) is arranged inside the stainless steel main body (4).

6. An automatic pressure relief valve according to claim 1, characterized in that: the pressure discharge valve body (8) is arranged to be a plurality of and is arranged on one side of the plastic core (5), and the pressure discharge valve body (8) is inserted into the plastic core (5).