CN210196578U

CN210196578U - Linkage pneumatic valve pressure relief assembly

Info

Publication number: CN210196578U
Application number: CN201921065137.XU
Authority: CN
Inventors: Jianghe Chen; 陈江河
Original assignee: Yongjia Jianghe Valve Accessories Co Ltd
Current assignee: Yongjia Jianghe Valve Accessories Co Ltd
Priority date: 2019-07-09
Filing date: 2019-07-09
Publication date: 2020-03-27
Anticipated expiration: 2029-07-09

Abstract

The utility model relates to the technical field of pressure relief devices, in particular to a linkage pneumatic valve pressure relief assembly, which comprises a valve body, wherein the peripheral outer wall of the valve body is provided with a pressure relief hole at the top, the pressure relief hole is provided with a pressure relief device above, the pressure relief device comprises a pressure relief pipe, the peripheral outer wall of the pressure relief pipe is provided with a plurality of relief holes, the bottom outer wall of the pressure relief pipe is provided with a connector, the connector is internally provided with a connecting pipe, the top outer wall of the pressure relief pipe is provided with two thread grooves, the top outer wall of the pressure relief pipe is provided with an adjusting hole near the central position, the adjusting hole is internally provided with an adjusting pipe, the top end of the adjusting pipe is welded with a top plate, the inner part of the top plate is provided with a guide hole near the central position, the inner parts of the top plate are, the use is convenient, and the practicality is good.

Description

Linkage pneumatic valve pressure relief assembly

Technical Field

The utility model relates to a pressure relief device technical field specifically is a linkage type pneumatic valve pressure release subassembly.

Background

The pneumatic valve is a valve driven by compressed air, is widely applied to the aspects of petroleum, chemical engineering, metallurgy, water conservancy and the like, and needs to be decompressed for preventing the pneumatic valve from working at high pressure, so that a decompression device is needed. In view of this, we propose a linkage pneumatic valve pressure relief assembly.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a linkage pneumatic valve pressure release subassembly 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:

a linkage pneumatic valve pressure relief assembly comprises a valve body, wherein a pressure relief hole is formed in the top of the circumferential outer wall of the valve body, a pressure relief device is arranged above the pressure relief hole and comprises a pressure relief pipe, a plurality of air relief holes are formed in the circumferential outer wall of the pressure relief pipe, a connecting port is formed in the bottom outer wall of the pressure relief pipe, a connecting pipe is arranged in the connecting port, two thread grooves are formed in the top outer wall of the pressure relief pipe, an adjusting hole is formed in the position, close to the central position, of the top outer wall of the pressure relief pipe, an adjusting pipe is arranged in the adjusting hole, a top plate is welded at the top end of the adjusting pipe, a guide hole is formed in the position, close to the central position, of the inside of the top plate, threaded holes are formed in the positions, of the inside of the top plate, fixing bolts are arranged in the threaded holes, a disc is, the guide rod is sleeved with a spring, and the top end of the guide rod penetrates through the guide hole and extends to the upper side of the top plate.

Preferably, the one end of valve body is equipped with the intake pipe, the valve body is kept away from the one end of intake pipe is equipped with the outlet duct, the intake pipe with the ring flange has all been welded to the one end that the outlet duct kept away from each other.

Preferably, the connecting pipe is tightly welded with the connecting port, and the connecting pipe is in threaded connection with the pressure relief hole.

Preferably, the fixing bolt and the threaded hole and the fixing bolt and the threaded groove are in threaded connection.

Preferably, the number of the air leakage holes is 4-6, and the air leakage holes are arranged in an annular shape at equal intervals.

Preferably, a sealing gasket is bonded on the outer wall of the bottom of the disc.

Compared with the prior art, the beneficial effects of the utility model are that: according to the linkage type pneumatic valve pressure relief assembly, the tightness of the spring can be adjusted through the arrangement of the top plate, the adjusting pipe, the thread groove, the thread hole and the fixing bolt, so that the pressure relief pressure can be adjusted, and the problem that the pressure relief pressure cannot be adjusted by an existing pressure relief device and is inconvenient to use is solved; through threaded connection between connecting pipe and the pressure release hole, can pull down pressure relief device from the valve body, be convenient for maintain pressure relief device.

Drawings

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

FIG. 2 is a schematic view of a partial structure of the middle pressure relief pipe according to the present invention;

fig. 3 is the schematic view of the sectional structure of the middle pressure relief pipe of the present invention.

In the figure: 1. a valve body; 10. a pressure relief vent; 11. an air inlet pipe; 12. an air outlet pipe; 13. a flange plate; 2. a pressure relief device; 20. a pressure relief pipe; 200. an air release hole; 201. an adjustment hole; 202. a connecting port; 203. a thread groove; 21. a connecting pipe; 22. a disc; 220. a gasket; 221. a guide bar; 23. a spring; 24. an adjusting tube; 25. a top plate; 250. a guide hole; 251. a threaded hole; 26. and (5) fixing the bolt.

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.

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 or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-3, the present invention provides a technical solution:

a linkage pneumatic valve pressure relief assembly comprises a valve body 1, a pressure relief hole 10 is formed in the position, located at the top, of the circumferential outer wall of the valve body 1, a pressure relief device 2 is arranged above the pressure relief hole 10, the pressure relief device 2 comprises a pressure relief pipe 20, a plurality of air relief holes 200 are formed in the circumferential outer wall of the pressure relief pipe 20, a connecting port 202 is formed in the bottom outer wall of the pressure relief pipe 20, a connecting pipe 21 is arranged in the connecting port 202, two thread grooves 203 are formed in the top outer wall of the pressure relief pipe 20, an adjusting hole 201 is formed in the position, close to the central position, of the top outer wall of the pressure relief pipe 20, an adjusting pipe 24 is arranged in the adjusting hole 201, a top plate 25 is welded at the top end of the adjusting pipe 24, a guide hole 250 is formed in the position, close to the central position, threaded holes 251 are formed in the positions, located at two sides, of the inside of the top plate, the guide rod 221 is sleeved with a spring 23, and the top end of the guide rod 221 passes through the guide hole 250 and extends to the upper part of the top plate 25.

In this embodiment, the one end of valve body 1 is equipped with intake pipe 11, and the one end that intake pipe 11 was kept away from to valve body 1 is equipped with outlet duct 12, and ring flange 13 has all been welded to the one end that intake pipe 11 and outlet duct 12 kept away from each other, is convenient for be connected intake pipe 11 and outlet duct 12 with external pipeline through ring flange 13.

Specifically, the connecting pipe 21 and the connecting port 202 are tightly welded, so that the connecting pipe 21 is firmly fixed in the connecting port 202, the connecting pipe 21 is in threaded connection with the pressure relief hole 10, and the pressure relief pipe 20 can be detached from and installed on the valve body 1 by rotating the connecting pipe 21, so that the pressure relief device 2 can be conveniently checked.

Further, be threaded connection between fixing bolt 26 and the screw hole 251 and between fixing bolt 26 and thread groove 203, adjusting pipe 24 pegs graft in adjusting hole 201, unscrew fixing bolt 26, move down clamp plate 25 or upwards move clamp plate 25, can drive adjusting pipe 24 and move down or shift up, thereby the elasticity of steerable spring 23 of living, fixing bolt 26 can be fixed with clamp plate 25 to the rethread is screwed up, thereby can adjust the elasticity of spring 23, and then can adjust pressure relief pressure of pressure relief device 2.

In addition, the quantity of gas release hole 200 is 4-6, preferably 4 in this embodiment, and be the annular and arrange equidistantly, and when valve body 1 internal pressure was too big, disc 22 can the atress rise to drive guide bar 221 and rise, can compress spring 23 simultaneously, and at this moment, gas can spill from gas release hole 200, plays the effect of pressure release.

It should be noted that, a sealing gasket 220 is adhered to the outer wall of the bottom of the disc 22, and the sealing gasket 220 is made of a rubber material, so that the sealing effect is good, and the connecting port 202 can be well sealed.

The coordinated type pneumatic valve pressure release subassembly of this embodiment is when using, adjust pressure release pressure as required earlier, unscrew fixing bolt 26, move down clamp plate 25 or move up clamp plate 25, can drive the control tube 24 and move down or shift up, thereby the elasticity of steerable live spring 23, rethread screwing up fixing bolt 26 can fix clamp plate 25, thereby can adjust the elasticity of spring 23, and then can adjust pressure release pressure to pressure relief device 2, when valve body 1 internal pressure is greater than pressure release pressure, disc 22 can atress by jack-up, can compress spring 23 simultaneously, gas can be followed the hole 200 that loses heart and released, can play fine pressure release, when pressure equals or is less than pressure release pressure, disc 22 is under the effect of spring 23 elasticity, can remove down and block up connector 202, can carry out fine sealed through sealed the pad 220.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a linkage pneumatic valve pressure release subassembly, includes valve body (1), its characterized in that: the pressure relief valve is characterized in that a pressure relief hole (10) is formed in the position, located at the top, of the circumference outer wall of the valve body (1), a pressure relief device (2) is arranged above the pressure relief hole (10), the pressure relief device (2) comprises a pressure relief pipe (20), a plurality of air relief holes (200) are formed in the circumference outer wall of the pressure relief pipe (20), a connecting port (202) is formed in the bottom outer wall of the pressure relief pipe (20), a connecting pipe (21) is arranged in the connecting port (202), two thread grooves (203) are formed in the top outer wall of the pressure relief pipe (20), an adjusting hole (201) is formed in the position, close to the center, of the top outer wall of the pressure relief pipe (20), an adjusting pipe (24) is arranged in the adjusting hole (201), a top end of the adjusting pipe (24) is welded with a top plate (25), a guide hole (250) is formed in the position, close to the center, the fixing bolt (26) is arranged in the threaded hole (251), the disc (22) is arranged inside the pressure relief pipe (20), a guide rod (221) is fixed to the position, close to the center, of the outer wall of the top of the disc (22) through a bolt, a spring (23) is sleeved on the guide rod (221), and the top end of the guide rod (221) penetrates through the guide hole (250) and extends to the upper portion of the top plate (25).

2. The coordinated pneumatic valve pressure relief assembly of claim 1, wherein: the one end of valve body (1) is equipped with intake pipe (11), valve body (1) is kept away from the one end of intake pipe (11) is equipped with outlet duct (12), intake pipe (11) with flange dish (13) are all welded to the one end that outlet duct (12) kept away from each other.

3. The coordinated pneumatic valve pressure relief assembly of claim 1, wherein: the connecting pipe (21) is tightly welded with the connecting port (202), and the connecting pipe (21) is in threaded connection with the pressure relief hole (10).

4. The coordinated pneumatic valve pressure relief assembly of claim 1, wherein: the fixing bolt (26) and the threaded hole (251) and the fixing bolt (26) and the threaded groove (203) are in threaded connection.

5. The coordinated pneumatic valve pressure relief assembly of claim 1, wherein: the number of the air leakage holes (200) is 4-6, and the air leakage holes are annularly arranged at equal intervals.

6. The coordinated pneumatic valve pressure relief assembly of claim 1, wherein: and a sealing gasket (220) is bonded on the outer wall of the bottom of the disc (22).