CN210800320U

CN210800320U - Leak detection joint

Info

Publication number: CN210800320U
Application number: CN201921262997.2U
Authority: CN
Inventors: 马福庆
Original assignee: CIXI ZONGHAN ZHONGZHENG QUICK COUPLING FACTORY (GENERAL PARTNERSHIP)
Current assignee: CIXI ZONGHAN ZHONGZHENG QUICK COUPLING FACTORY (GENERAL PARTNERSHIP)
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2020-06-19
Anticipated expiration: 2029-08-06

Abstract

The utility model relates to a leak detection joint, which comprises a joint main body, wherein a channel is arranged in the joint main body, a clamping jaw is sleeved outside the tail part of the joint main body, the clamping jaw consists of at least two arc-shaped clamping jaw pieces, and the at least two clamping jaw pieces are enclosed into a ring shape; the movable sleeve is sleeved outside the clamping jaw, an L-shaped groove is formed in the outer portion of the sleeve and comprises a vertical groove and a transverse groove, a fixing piece is arranged on the head portion of the connector body, the fixing piece penetrates through the L-shaped groove and can slide along the L-shaped groove, the head portion of the clamping jaw is movably connected with the tail portion of the connector body, and the tail portion of the clamping jaw is contracted inwards to form a locking ring. The beneficial effects of the utility model reside in that: by adopting the structure, the sleeve is matched with the clamping jaw to realize connection, and the fixing part is matched with the L-shaped groove to realize fixation, so that the installation and the disassembly are very quick and convenient, and the time is saved.

Description

Leak detection joint

Technical Field

The utility model relates to a leak hunting technical field especially relates to a leak hunting connects.

Background

In the prior art, for some products needing sealing performance detection, a leak detection joint is generally connected with a pipe fitting on the product to be detected, then the leak detection joint is connected with a gas source or a liquid source, gas or liquid is introduced into the product to be detected by using the gas source or the liquid source, and when the gas is injected, the product to be detected can be placed into water to observe whether bubbles exist, so that whether the product to be detected leaks or not is judged; when the liquid is flushed, whether the joints of the parts of the product to be detected have leakage or not is directly observed, so that whether the product to be detected has leakage or not is judged. The current joint to be detected is generally connected with a pipe fitting through a threaded connection mode, the installation and the disassembly are very inconvenient, and the operation is time-consuming.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides a simple and compact structure, convenient installation and disassembly and time-saving leak detection joint.

The technical proposal of the utility model for solving the technical problem is that: a leak detection joint comprises a joint main body, wherein a channel is arranged in the joint main body, a clamping jaw is sleeved outside the tail of the joint main body, the clamping jaw consists of at least two arc-shaped clamping jaw sheets, and the at least two clamping jaw sheets are encircled into a ring shape;

the clamping jaw is movably sleeved with a sleeve, the sleeve extends out of the head of the joint main body, an L-shaped groove is formed in the sleeve, the L-shaped groove comprises a vertical groove and a transverse groove, the vertical groove is formed in the axial direction of the sleeve, the transverse groove is communicated with the vertical groove and is formed in the radial direction of the sleeve, a fixing piece is arranged on the head of the joint main body, the fixing piece penetrates through the L-shaped groove and can slide along the L-shaped groove, the head of the clamping jaw is movably connected with the tail of the joint main body, and the tail of the clamping jaw is contracted inwards to form a locking ring;

when the pipe fitting needs to be clamped, the sleeve is far away from the head of the joint main body, the tail of the clamping jaw extends into the sleeve, the fixing piece slides along the vertical groove, the tail of the clamping jaw is mutually closed under the action of the sleeve to clamp the pipe fitting, and the sleeve is rotated to enable the fixing piece to slide into the transverse groove from the vertical groove, so that the locking after the pipe fitting is clamped is realized;

when the pipe fitting needs to be loosened, the sleeve is rotated to enable the fixing piece to slide to the vertical groove from the transverse groove, the sleeve is close to the head of the joint main body, the tail of the clamping jaw extends out of the sleeve, the fixing piece slides along the vertical groove, and the pipe fitting can be loosened by mutually opening the tail of the clamping jaw.

Preferably, a sealing portion is provided on a tail portion of the joint main body, and a seal ring is provided on the sealing portion.

Preferably, a guide rod extends from the rear portion of the joint body to the outside of the seal portion.

Preferably, a guide slope is provided between the guide rod and the sealing portion.

Preferably, the fixing member includes a rod body, the tail of the rod body is provided with an external thread, the head of the rod body is an operating part, the outer wall of the operating part is polygonal or the end face of the operating part is provided with a polygonal groove hole, the head of the joint main body is provided with a threaded hole matched with the external thread, and the rod body is fixed on the joint main body by matching the external thread with the threaded hole.

Preferably, a compression ring is arranged on the outer wall of the tail part of the clamping jaw.

Preferably, the tail part of the clamping jaw is provided with a clamping jaw inclined plane.

Preferably, the inner side of the head of the clamping jaw is provided with a circle of clamping grooves, the tail of the connector main body is provided with a clamping ring matched with the clamping grooves, and the clamping ring is arranged in the clamping grooves.

Preferably, a universal joint is provided on the head of the joint body.

The beneficial effects of the utility model reside in that: by adopting the structure, the sleeve is matched with the clamping jaw to realize connection, and the fixing part is matched with the L-shaped groove to realize fixation, so that the installation and the disassembly are very quick and convenient, and the time is saved.

Drawings

Fig. 1 is a state diagram of the present invention at the time of fixation.

Fig. 2 is a state diagram of the present invention when loosened.

Fig. 3 is a cross-sectional view of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 3, a leak detection joint comprises a joint main body 1, a channel 2 is arranged in the joint main body, an inlet 3 and an outlet 4 are respectively arranged at two ends of the channel, a clamping jaw 5 is sleeved outside the tail of the joint main body 1, the clamping jaw is composed of at least two arc-shaped clamping jaw sheets, and at least two clamping jaw sheets are encircled to form a ring shape;

the outer movable sleeve of said clamping jaw 5 is fitted with the bush 6, the bush extends to outside the head of the said joint body 1, there are L-shaped grooves outside the said bush, the L-shaped groove includes along the vertical trough 7 that the said bush sets up axially and communicating with this vertical trough and along the radial horizontal trough 8 that sets up of the said bush, there are stationary parts 9 on the head of the said joint body, this stationary part 9 is worn and set up in the said L-shaped groove and can be slipped along the said L-shaped groove, the head of the said clamping jaw 5 and afterbody of the said joint body 1 are connected movably, the afterbody of the said clamping jaw 5 is shrunk inwards and formed the locking ring 10;

when the pipe fitting needs to be clamped, the pipe fitting is used for connecting a product to be tested, the opening of the pipe fitting is protruded, the sleeve 6 is far away from the head of the joint main body 1, the tail of the clamping jaw 5 extends into the sleeve, the fixing piece 9 slides along the vertical groove 7, the tail of the clamping jaw is close to each other under the action of the sleeve to clamp the pipe fitting, the sleeve 6 is rotated to enable the fixing piece to slide into the transverse groove 8 from the vertical groove, and locking after the pipe fitting is clamped is achieved;

when the pipe fitting needs to be loosened, the sleeve 6 is rotated to enable the fixing piece 9 to slide to the vertical groove 7 from the transverse groove 8, the sleeve 6 is close to the head of the joint main body 1, the tail of the clamping jaw 5 extends out of the sleeve, the fixing piece 9 slides along the vertical groove, and the pipe fitting can be loosened by mutually opening the tail of the clamping jaw 5.

The utility model discloses when the leak hunting, will wait to examine between pipe fitting insertion joint main part 1's afterbody and clamping jaw 5 on the product, then to pipe fitting direction moving sleeve 6, it can slide until removing to the junction of erecting groove and cross slot along erecting groove 7 to connect mounting 9 in the main part 1, clamping jaw 5's afterbody stretches into in the sleeve 6, the afterbody of clamping jaw draws close each other under sleeve 6's effect and carries out the centre gripping to the pipe fitting, the oral area arch of pipe fitting is restricted in clamping jaw 5 by lock ring 10, then rotate sleeve 6, the mounting removes to the end of cross slot from the junction of erecting groove 7 and cross slot 8, realize the centre gripping locking of pipe fitting. Then the air source or the liquid source is communicated through an inlet 3 of the joint main body 1, the air source or the liquid source enters the product to be detected through a channel 2 and an outlet 4 in the joint main body, if the air source is the air source, whether leakage exists or not can be judged according to the existence of bubbles in water, and if the air source is the liquid source, whether leakage exists or not can be directly observed. After the leak hunting is accomplished, toward turning around and moving sleeve 6, mounting 9 moves to the junction of horizontal groove and perpendicular groove 7 from horizontal groove 8, then makes sleeve 6 keep away from the pipe fitting, and the mounting moves to the end of erecting groove 7 from the junction of horizontal groove and perpendicular groove, and the afterbody of clamping jaw 5 stretches out from sleeve 6, and the clamping jaw opens each other no longer presss from both sides tight pipe fitting, can follow the pipe fitting and take off between the afterbody of clamping jaw 5 and joint main part 1, can carry out the sealing performance inspection of the product of waiting to examine next.

Preferably, the tail of the joint main body 1 is provided with a sealing part located on the outer side of the clamping ring, the sealing part is provided with a sealing ring 11, and the sealing ring is sealed between the pipe fitting and the joint main body 1, so that leakage is avoided, and the leakage detection effect is better. The tail of the joint main body 1 is positioned on the outer side of the sealing part, a guide rod 12 extends, a guide inclined plane 13 is arranged between the guide rod 12 and the sealing part, the guide rod 12 is used for being inserted into a pipe fitting, and the guide inclined plane 13 plays a role in correcting and guiding the pipe fitting so that the tail of the joint main body 1 can be conveniently inserted into the pipe fitting.

Preferably, the fixing member 9 includes a rod body, the tail of the rod body is provided with an external thread, the head of the rod body is an operating portion, the outer wall of the operating portion is polygonal or the end face of the operating portion is provided with a polygonal groove hole, the head of the joint main body 1 is provided with a threaded hole matched with the external thread, the rod body is fixed on the joint main body 1 by matching the external thread with the threaded hole, and the structure is simple and compact.

Preferably, the outer wall of the tail part of the clamping jaw 5 is provided with a pressing ring 14, when the clamping jaw 5 extends into the sleeve 6, the sleeve is contacted with the pressing ring 14, the clamping jaws 5 are further closed, and the pipe fitting is clamped more reliably.

Preferably, the tail part of the clamping jaw 5 is provided with a clamping jaw inclined plane 15, and the clamping jaw inclined plane 15 plays a guiding role on the pipe fitting so as to facilitate the pipe fitting to be inserted into the clamping jaw 5.

Preferably, the inner side of the head of the clamping jaw 5 is provided with a circle of clamping groove 16, the tail of the connector main body 1 is provided with a clamping ring 17 matched with the clamping groove, the sealing part is positioned on the outer side of the clamping ring, the clamping ring 17 is arranged in the clamping groove 16, the clamping jaw 5 is matched with the clamping ring 17 through the clamping groove 16 to realize movable connection with the connector main body 1, and the structure is simple and compact.

Preferably, the head of the connector main body 1 is provided with a universal connector 18, and the connector main body 1 is connected with an air source or a liquid source through the universal connector 18, so that the connection is quick and convenient.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a leak hunting connects, includes to connect the main part, is equipped with the passageway in this joint main part, its characterized in that: the tail of the joint main body is sleeved with a clamping jaw, the clamping jaw consists of at least two arc-shaped clamping jaw sheets, and the at least two clamping jaw sheets are encircled into a ring shape;

2. The leak detection joint as defined in claim 1, wherein: the tail of the joint main body is provided with a sealing part, and the sealing part is provided with a sealing ring.

3. The leak detection joint as defined in claim 2, wherein: and a guide rod extends from the tail part of the joint main body to the outer side of the sealing part.

4. The leak detection joint as defined in claim 3, wherein: a guide inclined plane is arranged between the guide rod and the sealing part.

5. The leak detection joint as defined in any one of claims 1-4, wherein: the fixing piece comprises a rod body, external threads are arranged at the tail of the rod body, the head of the rod body is an operation part, the outer wall of the operation part is polygonal or a polygonal groove hole is formed in the end face of the operation part, a threaded hole matched with the external threads is formed in the head of the joint main body, and the rod body is fixed on the joint main body through the matching of the external threads and the threaded hole.

6. The leak detection joint as defined in any one of claims 1-4, wherein: and a compression ring is arranged on the outer wall of the tail part of the clamping jaw.

7. The leak detection joint as defined in any one of claims 1-4, wherein: the tail of the clamping jaw is provided with a clamping jaw inclined plane.

8. The leak detection joint as defined in any one of claims 1-4, wherein: the inner side of the head of the clamping jaw is provided with a circle of clamping grooves, the tail of the connector main body is provided with a clamping ring matched with the clamping grooves, and the clamping ring is arranged in the clamping grooves.

9. The leak detection joint as defined in any one of claims 1-4, wherein: the head of the joint main body is provided with a universal joint.