CN210890494U

CN210890494U - Quick connector for air tightness test

Info

Publication number: CN210890494U
Application number: CN201922043771.XU
Authority: CN
Inventors: 洪波; 刘华贵
Original assignee: Jiangxi Aike Industrial Co ltd
Current assignee: Jiangxi Aike Industrial Co ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-06-30
Anticipated expiration: 2029-11-25

Abstract

The utility model discloses a quick joint for gas tightness test, which belongs to the field of joints and comprises a shell, wherein an air supply pipe is fixedly sleeved at one end of the shell, an air inlet pipe is movably sleeved at the other end of the shell, a first sealing ring and a second sealing ring are respectively and fixedly installed in the shell, the interior of the second sealing ring is movably sleeved with the outside of the air inlet pipe, a movable groove is formed in the shell, and a pressing block is sleeved in the movable groove; this quick-operation joint is used in gas tightness test through setting up movable groove, briquetting and removal cover, can be at intake-tube connection's in-process, be convenient for extrude to it and press from both sides tightly fixed for the speed of intake-tube dismouting, avoided the tradition fixed and complex operation's problem through swivel nut and bolted connection, and through setting up connection piece and movable spring, can make the briquetting more smooth and easy when the motion, thereby improve the flexibility of briquetting.

Description

Quick connector for air tightness test

Technical Field

The utility model belongs to the technical field of connect, concretely relates to quick-operation joint is used in gas tightness test.

Background

The joint is a tool for connecting two objects, and along with the development of industrial technology, the air pressure equipment is widely applied to various industries, the air tightness testing device is one of the air tightness testing devices, and when the air tightness of a product is tested, the joint for connecting the air source pipeline and the product air inlet pipeline is needed; however, most of the existing joints are used for connecting and fixing the air inlet pipe through the rotary nut and the bolt, so that the air inlet pipe is slow in disassembly and assembly speed, and even the phenomenon of wire sliding easily occurs when the nut or the bolt is stressed too much for a long time, so that inconvenience is brought to connection of the air inlet pipe, and therefore the quick joint for the air tightness test is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a quick-operation joint is used in gas tightness test to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a quick-operation joint for gas tightness test, includes the casing, the fixed air supply pipe that has cup jointed of one end of casing, and the other end activity of casing has cup jointed the intake pipe, the inside of casing is fixed mounting respectively has a sealing washer and No. two sealing washers, the inside of No. two sealing washers cup joints with the outside activity of intake pipe, movable groove has been seted up to the inside of casing, movable groove's inside activity has cup jointed the briquetting, the bottom fixed mounting of briquetting one side has the connection piece, movable spring and the inner wall transmission of casing are passed through at the top of connection piece are connected, the outside activity of casing has cup jointed and has removed the cover, one side fixed mounting who removes the cover has positioning mechanism.

Preferably, the first sealing ring is movably sleeved outside one end of the air inlet pipe, and the thickness value of the first sealing ring is larger than that of the second sealing ring.

Preferably, the top end of the pressing block is inclined, and the pressing block is matched with the movable groove.

Preferably, the movable spring is located inside the shell, and two ends of the movable spring are respectively and fixedly connected with the inner wall of the shell and the top of the connecting piece.

Preferably, positioning mechanism includes the connecting block, the locating pin has been cup jointed in the inside activity of connecting block, the top of locating pin is connected through the top transmission of extension spring with the connecting block, and the bottom of locating pin is located the inside of constant head tank, the inside at the casing is seted up to the constant head tank.

Preferably, the extension spring activity cup joints in the outside of locating pin, and the both ends of extension spring respectively with the top of connecting block and the top fixed connection of locating pin.

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

the quick connector for the air tightness test has the advantages that the movable groove, the pressing block and the movable sleeve are arranged, so that the air inlet pipe can be conveniently extruded, clamped and fixed in the connecting process of the air inlet pipe, the disassembling and assembling speed of the air inlet pipe is increased, the problem of complex operation caused by the traditional connection and fixation through the rotating nut and the bolt is solved, the pressing block can move more smoothly through the arrangement of the connecting sheet and the movable spring, and the flexibility of the pressing block is improved;

this quick-operation joint is used in gas tightness test through setting up positioning mechanism, can be at intake-tube connection's in-process, is convenient for fix a position fixedly to the position that removes the cover, has avoided removing the cover and has taken place gliding problem because of the effect of external force for the intake pipe removes the cover and can be located the top of briquetting all the time when connecting, thereby has improved the fastness of intake pipe installation.

Drawings

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

FIG. 2 is a partial cross-sectional view of the structure of the present invention in a clamped state;

FIG. 3 is a partial cross-sectional view of the structure of the present invention in a relaxed state;

fig. 4 is an enlarged schematic view of the position a of the present invention.

In the figure: 1. a housing; 2. a gas supply pipe; 3. an air inlet pipe; 4. a first sealing ring; 5. a second sealing ring; 6. a movable groove; 7. briquetting; 8. connecting sheets; 9. a movable spring; 10. moving the sleeve; 11. a positioning mechanism; 111. connecting blocks; 112. positioning pins; 113. a tension spring; 114. and (6) positioning a groove.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.

Please refer to fig. 1-4, the utility model provides a quick-operation joint for gas tightness test, including casing 1, casing 1's one end is fixed to be cup jointed with air supply pipe 2, and casing 1's other end activity has cup jointed intake pipe 3, casing 1's inside is fixed mounting respectively has a sealing washer 4 and No. two sealing washers 5, No. two sealing washers 5's inside and intake pipe 3's outside activity cup joint, movable groove 6 has been seted up to casing 1's inside, movable groove 6's inside activity has cup jointed briquetting 7, the bottom fixed mounting of briquetting 7 one side has connection piece 8, movable spring 9 is passed through at connection piece 8's top and is connected with casing 1's inner wall transmission, casing 1's outside activity has cup jointed and has removed cover 10, one side fixed mounting that removes cover 10 has positioning.

In the above scheme, promote right and remove cover 10, make removal cover 10 extrusion briquetting 7 move down, make the bottom of briquetting 7 contact with the top of intake pipe 3, thereby be convenient for extrude the intake pipe 3 and press from both sides tight fixed, the speed of intake pipe 3 dismouting has been accelerated, avoided the tradition to fix through swivel nut and bolted connection and complex operation's problem, recycle positioning mechanism 11, fix a position fixedly to the position that removes cover 10, avoided removing cover 10 and taken place gliding problem because of the effect of external force, make intake pipe 3 remove the top that cover 10 can be located briquetting 7 all the time when connecting, thereby the fastness of intake pipe 3 installation has been improved.

Specifically, the first sealing ring 4 is movably sleeved outside one end of the air inlet pipe 3, and the thickness value of the first sealing ring 4 is larger than that of the second sealing ring 5; can play sealed effect to intake pipe 3 at the in-process of intake pipe 3 installation, avoid gaseous problem of taking place to leak.

Specifically, the top end of the pressing block 7 is inclined, and the pressing block 7 is matched with the movable groove 6; can extrude intake pipe 3 and press from both sides tight fixed for the speed of 3 dismouting of intake pipe, avoided the tradition to fix through swivel nut and bolted connection and complex operation's problem.

Specifically, the movable spring 9 is located inside the housing 1, and two ends of the movable spring 9 are respectively fixedly connected with the inner wall of the housing 1 and the top of the connecting piece 8; can be when moving movable sleeve 10 leftwards, and when the bottom of moving movable sleeve 10 and briquetting 7 contactless, activity spring 9 can promote connection piece 8 to move up to drive briquetting 7 and shift up, make the phase separation between briquetting 7 and the intake pipe 3, thereby be convenient for dismantle intake pipe 3.

Specifically, the positioning mechanism 11 includes a connecting block 111, a positioning pin 112 is movably sleeved inside the connecting block 111, the top end of the positioning pin 112 is in transmission connection with the top of the connecting block 111 through a tension spring 113, the bottom end of the positioning pin 112 is located inside a positioning groove 114, and the positioning groove 114 is arranged inside the housing 1; can fix a position fixedly to the position of removing cover 10, avoid removing cover 10 and take place gliding problem because of the effect of external force for intake pipe 3 removes cover 10 and can be located the top of briquetting 7 all the time when connecting, thereby has improved the fastness of intake pipe 3 installation.

Specifically, the tension spring 113 is movably sleeved outside the positioning pin 112, and two ends of the tension spring 113 are respectively and fixedly connected with the top of the connecting block 111 and the top end of the positioning pin 112; in the process of positioning the movable sleeve 10, the positioning pin 112 moves downwards under the action of the elastic force of the tension spring 113, and the positioning pin 112 and the positioning slot 114 are urged to be clamped with each other.

It should be noted that:

the air inlet pipe 3 is made of a hard pipe and cannot deform under a stressed state.

The utility model discloses a theory of operation and use flow: firstly, one end of an air inlet pipe 3 is sleeved into the shell 1, one end of the air inlet pipe 3 sequentially penetrates through a first sealing ring 4 and a second sealing ring 5, then a moving sleeve 10 is pushed rightwards, the moving sleeve 10 extrudes a pressing block 7 to move downwards, the bottom of the pressing block 7 is contacted with the top of the air inlet pipe 3, so that the air inlet pipe 3 is conveniently extruded, clamped and fixed, the disassembly and assembly speed of the air inlet pipe 3 is increased, the problem of complex operation caused by the traditional connection and fixation through rotating nuts and bolts is solved, then a positioning pin 112 is aligned to a positioning groove 114, the positioning pin 112 moves downwards under the elastic action of a tension spring 113 at the moment, the positioning pin 112 is enabled to be clamped with the positioning groove 114 mutually, the position of the moving sleeve 10 can be positioned and fixed, the problem that the moving sleeve 10 slides due to the action of external force is avoided, and the moving sleeve 10 can be always positioned at, thereby the fastness of intake pipe 3 installation has been improved, at last when dismantling intake pipe 3, upwards stimulate locating pin 112, make it and positioning groove 114 between the phase separation, promote the removal cover 10 left again, make its bottom and briquetting 7 top phase separation, connection piece 8 can move up under the spring action of activity spring 9 this moment to drive briquetting 7 and shift up, make the phase separation between briquetting 7 and intake pipe 3, outwards take out intake pipe 3 again, thereby be convenient for dismantle intake pipe 3.

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

1. The utility model provides a quick-operation joint is used in test of gas tightness, includes casing (1), its characterized in that: the utility model discloses a portable gas supply device, including casing (1), inlet pipe (3) have been cup jointed to the fixed cover of one end of casing (1), and the other end activity of casing (1) has cup jointed intake pipe (3), the inside difference fixed mounting of casing (1) has sealing washer (4) and No. two sealing washers (5), the inside of No. two sealing washers (5) cup joints with the outside activity of intake pipe (3), movable groove (6) have been seted up to the inside of casing (1), briquetting (7) have been cup jointed in the inside activity of movable groove (6), the bottom fixed mounting of briquetting (7) one side has connection piece (8), the top of connection piece (8) is passed through movable spring (9) and is connected with the inner wall transmission of casing (1), the outside activity of casing (1) has cup jointed and has removed cover (10), one side fixed mounting that removes cover (10) has positioning mechanism (11.

2. The quick coupling for airtightness testing according to claim 1, wherein: a sealing washer (4) activity cup joints the outside at intake pipe (3) one end, and the thickness value of a sealing washer (4) is greater than the thickness value of No. two sealing washers (5).

3. The quick coupling for airtightness testing according to claim 1, wherein: the top end of the pressing block (7) is inclined, and the pressing block (7) is matched with the movable groove (6).

4. The quick coupling for airtightness testing according to claim 1, wherein: the movable spring (9) is positioned in the shell (1), and two ends of the movable spring (9) are fixedly connected with the inner wall of the shell (1) and the top of the connecting piece (8) respectively.

5. The quick coupling for airtightness testing according to claim 1, wherein: positioning mechanism (11) are including connecting block (111), locating pin (112) have been cup jointed in the inside activity of connecting block (111), the top of locating pin (112) is connected with the top transmission of connecting block (111) through extension spring (113), and the bottom of locating pin (112) is located the inside of constant head tank (114), the inside at casing (1) is seted up in constant head tank (114).

6. The quick coupling for airtightness testing according to claim 5, wherein: the tension spring (113) is movably sleeved outside the positioning pin (112), and two ends of the tension spring (113) are fixedly connected with the top of the connecting block (111) and the top end of the positioning pin (112) respectively.