CN212251326U - Safety valve assembly of water heater - Google Patents

Abstract

The utility model discloses a water heater safety valve subassembly, including valve body and handle, the valve body includes horizontal valve body and vertical valve body, horizontal valve intracavity is equipped with water inlet and water inlet channel, be provided with spacing retaining ring in the horizontal valve body, install non return mechanism in the horizontal valve body, non return mechanism is including revolving the cap, the spacer, non return spring and non return case, the non return case is provided with spring core and valve rod, spacing boss carries on spacingly to the spring core, it is equipped with and prevents stifled cassette to revolve cap one side, be provided with pressure release passageway and pressure release pipe in the vertical valve body, be provided with pressure release mechanism and annular butt convex part in the pressure release passageway, pressure release mechanism is including pressure release case and reset spring, the last pressure packing gasket that is equipped with of pressure release case, be provided with the annular. The utility model discloses prevent to cause the elasticity damage of non return case, the regulation pressure value is simple and convenient, prevents that stifled cassette can dismantle fast and wash, and the butt leakproofness is stronger, guarantees the sensitivity of pressure release.

Description

Safety valve assembly of water heater

Technical Field

The utility model belongs to the technical field of the relief valve on the water heater, especially, relate to a water heater relief valve subassembly.

Background

The safety valve of the water heater is suitable for various water heaters such as an electric water heater, an air energy water heater and the like, has the functions of a check valve and a pressure release valve, can prevent water entering the water heater from flowing backwards, and can discharge redundant pressure when the pressure of the inner container of the water heater is higher so as to ensure the service life of the inner container of the water heater and avoid the occurrence of an explosion accident of the inner container.

The water inlet of traditional relief valve all is leading with simple and easy annular step, however this structure does not possess the water blocking pressure function, does not carry out reasonable spacing to the check case yet, and hydraulic impact causes the elasticity damage of check case easily for the life-span is shorter. Secondly, the seal gasket structure on the pressure release case lacks certain design, and sealed effect still remains to be improved, influences the sensitivity of pressure release easily. Furthermore, the pressure value inside the safety valve cannot be adjusted quickly, cannot be better adapted, and lacks a filtering structure that is simple and quick to disassemble, so there is a need for improvement.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the not enough of above-mentioned prior art existence, provide a water heater relief valve subassembly, it has good water blocking pressure function, prevents that the non return case from damaging, case leakproofness is higher and can nimble regulated pressure value and can dismantle filtration's characteristics.

In order to achieve the above object, the utility model adopts the following technical scheme: a safety valve assembly of a water heater comprises a valve body and a handle, wherein the valve body comprises a transverse valve body and a vertical valve body which are integrally arranged, a water inlet and a water inlet channel are arranged in the cavity of the transverse valve body, a limiting check ring is integrally arranged at the water inlet in the transverse valve body, a limiting boss is arranged on the limiting check ring, an internal thread is arranged on the inner wall of the transverse valve body at the water inlet channel, a non-return mechanism is arranged in the transverse valve body and comprises a turncap, a positioning sheet, a non-return spring and a non-return valve core, the turncap is in adjustable fit with the internal thread, the positioning sheet is in interference press fit in the turncap, the non-return valve core is provided with a spring core and a valve rod, the limiting boss limits the spring core, the valve rod is positioned and inserted in the positioning sheet, the non-return spring is sleeved on the, the pressure relief valve is characterized in that a pressure relief channel and a pressure relief pipe are arranged in the vertical valve body, a pressure relief mechanism and an annular butt convex part are arranged in the pressure relief channel, the pressure relief mechanism comprises a pressure relief valve core and a reset spring, the reset spring is sleeved on the pressure relief valve core, the pressure relief valve core is controlled by a handle in an operation mode, a sealing gasket is arranged on the pressure relief valve core in a pressing mode, and an annular concave part which is sealed by the annular butt convex part in a butt mode is arranged on the.

Preferably, both ends of the transverse valve body are respectively provided with a water heater connecting end and a pipeline connecting end.

Preferably, the limiting boss is fan-shaped and is arranged in a regular triangle angle.

Preferably, prevent stifled cassette is the rubber material, prevent that the outer lane of stifled cassette is provided with the pressure equipment convex body, the middle part of preventing stifled cassette is provided with the filter screen.

Preferably, the screw cap is provided with an inner hexagonal structure.

Preferably, the outer ring of the screw cap is provided with a gasket.

Preferably, the sealing gasket is made of rubber.

After the structure is adopted, compared with the prior art, the utility model the advantage that has is: the structure of the utility model is simple and reasonable, the structure has good water pressure blocking function through the limit retainer ring with the limit boss, and simultaneously, the spring core is well limited, thereby preventing the elastic force of the check valve core from being damaged and prolonging the service life; through the transverse rotation adjustment of the screw cap, the positioning sheet can be driven to move inwards by screwing, so that the pressure value of the safety valve can be increased, and the positioning sheet can be driven to move outwards by unscrewing, so that the pressure value of the safety valve can be decreased, and the adjustment is simple and convenient; through the arrangement of the anti-blocking filter, the structure is directly pressed and installed according to the material of the structure, and can be quickly disassembled and cleaned; the annular concave part which is in butt seal with the annular butt convex part is arranged on the sealing gasket, so that the butt seal performance of the structure is strong, and the sensitivity of pressure relief can be well guaranteed.

Drawings

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

FIG. 2 is a right side view of the overall installation of the present invention;

FIG. 3 is a schematic view of the internal structure of the lateral valve body of the present invention;

FIG. 4 is a schematic structural view of the pressure relief mechanism of the present invention;

FIG. 5 is a schematic structural view of a sealing gasket of the present invention;

in the figure: 10. a handle; 11. a transverse valve body; 12. a vertical valve body; 13. a water inlet; 14. a water inlet channel; 15. a limit retainer ring; 16. a limiting boss; 17. an internal thread; 18. screwing the cap; 19. positioning plates; 191. positioning holes; 192. a water inlet; 20. a check spring; 21. a check valve core; 211. a spring core; 212. a valve stem; 22. an anti-blocking filter sheet; 23. a pressure relief channel; 24. a pressure relief pipe; 25. an annular abutment projection; 26. a pressure relief valve core; 27. a return spring; 28. sealing gaskets; 281. an annular recess; 29. a water heater connection end; 30. a pipeline connecting end; 31. pressing the convex body; 32. a filter screen; 33. a gasket.

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.

Referring to fig. 1-5, a safety valve assembly for a water heater comprises a valve body and a handle 10, wherein the valve body comprises a transverse valve body 11 and a vertical valve body 12 which are integrally arranged, a water inlet 13 and a water inlet channel 14 are arranged in a cavity of the transverse valve body 11, a limiting check ring 15 is integrally arranged at the water inlet in the transverse valve body 11, a limiting boss 16 is arranged on the limiting check ring 15, an internal thread 17 is arranged on the inner wall of the transverse valve body 11 at the water inlet channel 14, a check mechanism is arranged in the transverse valve body 11 and comprises a screw cap 18, a positioning sheet 19, a check spring 20 and a check valve core 21, the screw cap 18 is in adjustable fit with the internal thread 17, the positioning sheet 19 is press-mounted in the screw cap 18 in an interference fit manner, the valve core 21 is provided with a spring core 211 and a valve rod 212, the limiting boss 16 is used for limiting the check of the, an anti-blocking filter sheet 22 is further arranged on one side of the screw cap 18, a pressure relief channel 23 and a pressure relief pipe 24 are arranged in the vertical valve body 12, a pressure relief mechanism and an annular abutting convex portion 25 are arranged in the pressure relief channel 23, the pressure relief mechanism comprises a pressure relief valve core 26 and a return spring 27, the return spring 27 is sleeved on the pressure relief valve core 26, the pressure relief valve core 26 is controlled by the handle 10 in an operation mode, a sealing gasket 28 is arranged on the pressure relief valve core 26 in a pressing mode, and an annular concave portion 281 sealed with the annular abutting convex portion 25 in an abutting mode.

In the embodiment, the structure is simple and reasonable, the structure has a good water blocking pressure function through the limiting retainer ring 15 with the limiting boss 16, and meanwhile, the spring core 211 is well limited, so that the elastic force damage of the check valve core 21 is prevented, and the service life is prolonged; through the transverse rotation adjustment of the screw cap 18, the positioning sheet 19 can be driven to move inwards by screwing, so that the pressure value of the safety valve can be increased, and the positioning sheet 19 can be driven to move outwards by unscrewing, so that the pressure value of the safety valve can be decreased, and the adjustment is simple and convenient; through the arrangement of the anti-blocking filter 22, the structure is directly pressed and installed according to the material of the structure, and can be quickly disassembled and cleaned; since the seal gasket 28 is provided with the annular concave portion 281 which abuts and seals the annular abutting convex portion 25, the abutting sealing performance of this structure is strong, and the sensitivity of the pressure release can be ensured well.

Specifically, the water inlet 13 is connected with a water path of a water pipe, and the water inlet channel 14 is connected with an inner container of the water heater. The middle part of the positioning plate 19 is provided with a positioning hole 191, and the outer ring of the positioning hole 191 is provided with a water inlet 192. The pressure relief tube 24 is used to connect the flow conduit. The handle 10 is rotated to control the pressure relief valve core 26 to move up and down, so that manual pressure relief operation can be completed.

Further, both ends of the lateral valve body 11 are provided with a heater connection end 29 and a pipe connection end 30, respectively.

In this embodiment, the water heater connecting end 29 is used for connecting a water heater, and the pipeline connecting end 30 is connected with a pipeline, specifically, the water heater connecting end 29 is of an outer hexagonal structure, and the pipeline connecting end 30 is of an external thread structure, so that the installation and the connection are convenient.

Furthermore, the limiting boss 16 is fan-shaped, and the limiting boss 16 is arranged in a regular triangle angle.

In this embodiment, the limiting boss 16 is in a fan shape, the limiting boss 16 is arranged in a regular triangle angle, the structure has a good water blocking function, meanwhile, the spring core 211 is limited well, and the regular triangle structure has a flow stabilizing function.

Further, the anti-blocking filter 22 is made of rubber, the outer ring of the anti-blocking filter 22 is provided with a press-fitting convex body 31, and the middle part of the anti-blocking filter 22 is provided with a filter screen 32.

In this embodiment, prevent stifled cassette 22 and be the rubber material, the pressure equipment of being convenient for or dismantle, this pressure equipment convex body 31 makes can carry out interference fit installation with the internal thread 17 of horizontal valve body 11, and filter screen 32 can effectively filter the silt impurity of aquatic, prevents to block up increase of service life.

Further, the screw cap 18 is provided with an inner hexagonal structure.

In this embodiment, the screw cap 18 is of a hexagon socket structure, and the screw cap can be quickly rotated and adjusted by using a hexagon socket wrench.

Further, a washer 33 is mounted to the outer ring of the screw cap 18.

In this embodiment, the washer 33 is installed on the outer ring of the screw cap 18, so that the outer ring of the screw cap 18 and the transverse valve body 11 are firmly installed.

Further, the sealing gasket 28 is made of rubber.

In this embodiment, since the valve body is made of metal and the gasket 28 is made of rubber, the gasket 28 is in good contact with the annular contact projection 25.

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.

Claims (7)

1. The utility model provides a water heater relief valve subassembly, includes valve body and handle, the valve body includes the horizontal valve body and the vertical valve body of integrative setting, its characterized in that: the water inlet and the water inlet channel are arranged in the cavity of the transverse valve body, a limiting retainer ring is integrally arranged at the water inlet in the transverse valve body, a limiting boss is arranged on the limiting retainer ring, an internal thread is arranged on the inner wall of the transverse valve body at the water inlet channel, a non-return mechanism is arranged in the transverse valve body and comprises a screw cap, a positioning sheet, a non-return spring and a non-return valve core, the screw cap is in adjustable fit with the internal thread, the positioning sheet is in interference press fit in the screw cap, the non-return valve core is provided with a spring core and a valve rod, the limiting boss limits the spring core, the valve rod is positioned and inserted on the positioning sheet, the non-return spring is sleeved on the non-return valve core, an anti-blocking filter sheet is further arranged on one side of the screw cap, a pressure relief channel and a pressure relief pipe, the pressure relief mechanism comprises a pressure relief valve core and a return spring, the return spring is sleeved on the pressure relief valve core, the pressure relief valve core is controlled by a handle in an operating mode, a sealing gasket is arranged on the pressure relief valve core in a pressing mode, and an annular concave portion which is in butt joint sealing with the annular butt convex portion is arranged on the sealing gasket.

2. A water heater safety valve assembly as recited in claim 1, wherein: and the two ends of the transverse valve body are respectively provided with a water heater connecting end and a pipeline connecting end.

3. A water heater safety valve assembly as recited in claim 1, wherein: the limiting boss is fan-shaped and is arranged at a regular triangle angle.

4. A water heater safety valve assembly as recited in claim 1, wherein: the anti-blocking filter sheet is made of rubber, the outer ring of the anti-blocking filter sheet is provided with a press-fitting convex body, and the middle part of the anti-blocking filter sheet is provided with a filter screen.

5. A water heater safety valve assembly as recited in claim 1, wherein: the rotating cap is provided with an inner hexagonal structure.

6. A water heater safety valve assembly as set forth in claim 5, wherein: and a washer is arranged on the outer ring of the screw cap.

7. A water heater safety valve assembly as recited in claim 1, wherein: the sealing gasket is made of rubber.

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