CN220850890U

CN220850890U - Small-sized safety valve

Info

Publication number: CN220850890U
Application number: CN202322548809.5U
Authority: CN
Inventors: 林鸿福
Original assignee: Shenzhen Cisco Precision Technology Co ltd
Current assignee: Shenzhen Cisco Precision Technology Co ltd
Priority date: 2023-09-19
Filing date: 2023-09-19
Publication date: 2024-04-26
Anticipated expiration: 2033-09-19

Abstract

The utility model discloses a small safety valve, which comprises a valve body, wherein a sealing plug is clamped and installed at the top end of the inner wall of the valve body, a hexagonal screw is connected with the bottom end of the inner wall of the valve body in a threaded manner, a spring is fixedly installed at the bottom end of the sealing plug, the bottom end of the spring is fixedly connected with the top end of the hexagonal screw, a pressure hole is formed in the surface of the valve body, the valve body comprises an outer shell and an inner shell, and a plurality of first positioning blocks are fixedly installed on one side, far away from the outer shell, of the valve body.

Description

Small-sized safety valve

Technical Field

The utility model relates to the technical field of safety valves, in particular to a small-sized safety valve.

Background

The common valve only plays a role of a switch, and the safety valve is special compared with the common valve, because the safety valve can play a role of protecting equipment besides the role of a switch, is an important accessory in special design, and can be opened to discharge part of gas in the system to the atmosphere if the pressure of the system exceeds a set value, and can keep the pressure of the system below the set value all the time, thereby achieving the purpose of ensuring that the system cannot be in accident due to high pressure.

However, conventional safety valves suffer from the following disadvantages:

The traditional safety valve has a common anti-collision effect, and when external force collides with the safety valve, the surface of the safety valve is easy to dent and deform, so that the normal use of the safety valve is influenced.

Disclosure of utility model

The utility model aims to provide a small safety valve, which solves the problems that the traditional safety valve provided in the background art has a common anti-collision effect, and the surface of the safety valve is easy to dent and deform when external force collides with the safety valve, so that the normal use of the safety valve is influenced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a small-size safety valve, includes the valve body, the sealing plug is installed to the top block of valve body inner wall, the bottom threaded connection of valve body inner wall has the hexagonal screw, the bottom fixed mounting of sealing plug has the spring, the bottom of spring and the top fixed connection of hexagonal screw, the pressure hole has been seted up on the surface of valve body, the valve body includes shell and inner shell, the inside fixed mounting of shell has a plurality of first locating piece, a plurality of first locating piece is kept away from the equal fixed mounting of one side of shell and is had the shock absorber, a plurality of the one end that the shock absorber was kept away from to the shock absorber is equal fixed mounting to have the second locating piece, a plurality of the one end that the shock absorber was kept away from to the second locating piece is all just right with one side fixed connection of inner shell, and the user uses to twist the hexagonal screw, the screw on hexagonal screw surface and the screw thread of valve body inner wall mutually support, so hexagonal screw takes place rotary translation for the valve body, and hexagonal screw extrudees the spring from one side for applying an effort through the spring, adjusts the pressure range of safety valve.

Preferably, a plurality of the elastic pieces are fixedly installed on two sides of the first positioning block, one end, away from the first positioning block, of each elastic piece is fixedly connected with one opposite side of the second positioning block, when an external force collides with the valve body, the shell approaches to the inner shell, the first positioning block approaches to the second positioning block, the elastic pieces are extruded from one side of the elastic pieces, the elastic pieces are elastic, elastic deformation is carried out on the elastic pieces to buffer the extrusion force, and then the elastic force of the elastic pieces is buffered by the shock absorber, so that the safety valve is prevented from being deformed due to the collision of the external force.

Preferably, the outer shell and the inner shell are made of copper materials, and the outer shell and the inner shell can also be made of aluminum materials.

Preferably, a sealing groove is formed in the middle of the valve body.

Preferably, the outer diameter of the bottom end of the shell is 5.8+/-0.1 mm, the outer diameter of the top end of the shell is 5+/-0.1 mm, and the length of the shell is 8mm.

Preferably, the diameter of the pressure hole is 1.2mm.

Preferably, the diameter of the hexagonal screw is 4.1+/-0.1 mm, and the length of the hexagonal screw is 4mm.

Preferably, the diameter of the sealing plug is 3mm.

Compared with the prior art, the utility model has the beneficial effects that:

Through setting up the valve body, when external force collision valve body, the shell takes place to be close to the inner shell, and first locating piece takes place to be close to the second locating piece, and first locating piece extrudees the shell fragment from one side, and the shell fragment has elasticity, and elastic deformation takes place for the shell fragment to cushion the extrusion force, and then the shock absorber cushions the elasticity of shell fragment, avoids external force collision to lead to relief valve to take place deformation, extension relief valve's life.

Drawings

FIG. 1 is an exploded view of the present utility model;

FIG. 2 is a top view of the valve body of the present utility model;

FIG. 3 is a cross-sectional view of the present utility model;

Fig. 4 is a side view of the present utility model.

In the figure: 1. a valve body; 101. a housing; 102. a first positioning block; 103. a damper; 104. a spring plate; 105. a second positioning block; 106. an inner case; 2. a sealing plug; 3. a spring; 4. a hexagonal screw; 5. a pressure hole; 6. and (5) sealing the groove.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1-4, the utility model provides a small safety valve, which comprises a valve body 1, a sealing plug 2 is installed at the top end of the inner wall of the valve body 1 in a clamping way, a hexagonal screw 4 is connected at the bottom end of the inner wall of the valve body 1 in a threaded way, a spring 3 is fixedly installed at the bottom end of the sealing plug 2, the bottom end of the spring 3 is fixedly connected with the top end of the hexagonal screw 4, a pressure hole 5 is formed in the surface of the valve body 1, the valve body 1 comprises an outer shell 101 and an inner shell 106, a plurality of first positioning blocks 102 are fixedly installed in the inner shell 101, a damper 103 is fixedly installed at one side, far from the outer shell 101, of each of the plurality of first positioning blocks 102, a second positioning block 105 is fixedly installed at one end, far from the damper 103, of each of the plurality of second positioning blocks 105 is fixedly connected with one side, which is opposite to the inner shell 106, of the hexagonal screw 4 is screwed, threads on the surface of the hexagonal screw 4 are matched with the threads on the inner wall of the valve body 1, so that the hexagonal screw 4 rotates and translates relative to the valve body 1, the hexagonal screw 4 extrudes the spring 3 from one side, the spring 3 is arranged at one side, the other than the hexagonal screw 3, a pressure range of the valve is applied by the hexagonal screw 4 to the valve 2 through the spring 3, and the pressure range of the safety valve is adjusted.

The shell fragment 104 is all fixed mounting in the both sides of a plurality of first locating piece 102, the one end that a plurality of shell fragment 104 kept away from first locating piece 102 all is just right with second locating piece 105 one side fixed connection, when external force collision valve body 1, shell 101 takes place to be close to inner shell 106, first locating piece 102 takes place to be close to second locating piece 105, first locating piece 102 extrudees shell fragment 104 from one side, shell fragment 104 has elasticity, elastic deformation takes place for shell fragment 104 to cushion the extrusion force, then shock absorber 103 cushions the elasticity of shell fragment 104, avoid external force collision to lead to relief valve to take place deformation.

The outer shell 101 and the inner shell 106 are made of copper material, and the outer shell 101 and the inner shell 106 may be made of aluminum material.

The middle part of the valve body 1 is provided with a sealing groove 6.

The outer diameter of the bottom end of the shell 101 is 5.8+/-0.1 mm, the outer diameter of the top end of the shell 101 is 5+/-0.1 mm, the length of the shell 101 is 8mm, the diameter of the pressure hole 5 is 1.2mm, the diameter of the hexagonal screw 4 is 4.1+/-0.1 mm, the length of the hexagonal screw 4 is 4mm, and the diameter of the sealing plug 2 is 3mm.

When the embodiment of the application is used, the following steps are adopted: the user uses to twist hexagonal screw 4, and the screw thread on hexagonal screw 4 surface and the screw thread of valve body 1 inner wall mutually match, so hexagonal screw 4 takes place rotary translation for valve body 1, hexagonal screw 4 extrudees spring 3 from one side, exerts an effort to sealing plug 2 through spring 3, adjusts the pressure range of relief valve, and when this relief valve pressure P <55-65PSI, airtight, when pressure P >55-65PSI, begin to leak gas, spring 3 can be 0.4x2.9x5-5 circle, also can be 0.5x3.6x5-5 circle.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a small-size relief valve, includes valve body (1), its characterized in that: sealing plug (2) are installed to top block of valve body (1) inner wall, the bottom threaded connection of valve body (1) inner wall has hexagonal screw (4), the bottom fixed mounting of sealing plug (2) has spring (3), the bottom of spring (3) and the top fixed connection of hexagonal screw (4), pressure hole (5) have been seted up on the surface of valve body (1), valve body (1) include shell (101) and inner shell (106), the inside fixed mounting of shell (101) has a plurality of first locating piece (102), a plurality of first locating piece (102) are kept away from one side of shell (101) and are all fixed mounting have shock absorber (103), a plurality of shock absorber (103) are kept away from the equal fixed mounting of one end of first locating piece (102) and have second locating piece (105), a plurality of second locating piece (105) are kept away from the one end of shock absorber (103) and are all just to one side fixed connection with inner shell (106).

2. A compact safety valve according to claim 1, wherein: the two sides of the first positioning blocks (102) are fixedly provided with elastic pieces (104), and one ends of the elastic pieces (104) far away from the first positioning blocks (102) are fixedly connected with one sides, opposite to the second positioning blocks (105).

3. A compact safety valve according to claim 1, wherein: the outer shell (101) and the inner shell (106) are both made of copper material.

4. A compact safety valve according to claim 1, wherein: a sealing groove (6) is formed in the middle of the valve body (1).

5. A compact safety valve according to claim 1, wherein: the outer diameter of the bottom end of the shell (101) is 5.8+/-0.1 mm, the outer diameter of the top end of the shell (101) is 5+/-0.1 mm, and the length of the shell (101) is 8mm.

6. A compact safety valve according to claim 1, wherein: the diameter of the pressure hole (5) is 1.2mm.

7. A compact safety valve according to claim 1, wherein: the diameter of the hexagonal screw (4) is 4.1+/-0.1 mm, and the length of the hexagonal screw (4) is 4mm.

8. A compact safety valve according to claim 1, wherein: the diameter of the sealing plug (2) is 3mm.