CN217953781U

CN217953781U - Pipeline joint air tightness detection device

Info

Publication number: CN217953781U
Application number: CN202221932282.5U
Authority: CN
Inventors: 陆志林; 蒋伟华; 徐水东; 张永康; 张铖
Original assignee: Shanghai Qiyang Stainless Steel Products Co ltd
Current assignee: Shanghai Qiyang Stainless Steel Products Co ltd
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2022-12-02
Anticipated expiration: 2032-07-25

Abstract

The application relates to the technical field of pipe detection equipment, and discloses a pipeline joint air tightness detection device which comprises a supporting seat, wherein an air guide pipe is arranged on the supporting seat, an air guide cavity is formed in the air guide pipe, a connecting air pipe communicated with the air guide cavity is formed in the air guide pipe, a plurality of inserting seats are detachably arranged on one side of the air guide pipe, a plurality of air injection ports are formed in the inserting seats, a plurality of quick clamps are arranged on the supporting seat, and sealing blocks used for abutting and sealing a pipeline joint are arranged on the quick clamps; offer the chamber of being connected that is used for intercommunication gas injection mouth and air guide chamber in the supporting seat, it is connected with the closing plate that is used for controlling the switch of connecting the chamber to slide in the connecting chamber, and one side that the air guide pipe was kept away from to the closing plate is provided with the bracing piece, runs through the bayonet socket setting at the bracing piece, and the cover is equipped with the reset assembly who is used for driving the closing plate to close the connecting chamber on the bracing piece. This application has the pipeline that makes detection device can the simultaneous measurement different quantity and connects, improves the effect of surveying the convenience that pipeline connects the gas tightness.

Description

Pipeline joint air tightness detection device

Technical Field

The application relates to the technical field of pipe detection equipment, in particular to a pipeline joint air tightness detection device.

Background

At present, pipelines are mainly used for conveying liquid, and in order to avoid leakage of liquid at joints connected with the pipelines, the gas tightness test is needed before the pipeline joints leave a factory.

Among the correlation technique, a pipe joint gas tightness detection device, including the supporting seat, be provided with main trachea on the supporting seat, be provided with a plurality of minutes air ducts on the main trachea, divide the air duct to keep away from main trachea one end and be provided with the plug socket that is used for the pipe joint of pegging graft, set up on the plug socket and divide the air inlet of air duct intercommunication, the air inlet is used for gas injection pipeline to connect in, still be provided with a plurality of quick-witted sandwiches that are used for the fixed pipe joint of butt on the supporting seat, be provided with the sealed piece that is used for butt pipe joint on the quick-witted sandwiches. Pipeline joint is the ball form, and has radially run through and seted up the spliced eye, and the during operation, in the staff inserts the spliced eye in the plug socket, will seal the piece butt on pipeline joint through the quick clamp to seal pipeline joint, injecting gas in to main air duct, thereby realize the detection to pipeline joint gas tightness.

To the above-mentioned related art, the inventor thinks that the detection device in the prior art usually adopts a plurality of sockets to carry out the gas tightness detection of a plurality of pipeline joints simultaneously, and when the quantity that only needs to measure is less than the quantity of sockets, because socket and leading trachea intercommunication set up, can lead to unable normally carrying out the gas tightness of measuring pipeline joint, await urgent improvement.

SUMMERY OF THE UTILITY MODEL

In order to make the pipeline that detection device can measure different quantity simultaneously connect, improve the convenience of surveying pipeline joint gas tightness, this application provides a pipeline and connects gas tightness detection device.

The application provides a pipeline joint gas tightness detection device adopts following technical scheme:

a pipeline joint air tightness detection device comprises a supporting seat, wherein an air guide tube is arranged on the supporting seat, an air guide cavity is formed in the air guide tube, a connecting air tube communicated with the air guide cavity is formed in the air guide tube, a plurality of inserting seats used for inserting pipeline joints are detachably arranged on one side of the air guide tube, a plurality of air injection ports are formed in the inserting seats, a plurality of quick clamps are arranged on the supporting seat, and sealing blocks used for abutting and sealing the pipeline joints are arranged on the quick clamps;

the utility model discloses a reset assembly of air duct, including supporting seat, connecting cavity, closing plate, jack socket, the supporting seat is equipped with the coupling chamber that is used for intercommunication gas injection mouth and air guide cavity in the supporting seat, it is connected with and is used for control to slide in the coupling chamber the closing plate of coupling chamber switch, the closing plate is kept away from one side of air guide tube is provided with the bracing piece, run through at the bracing piece the bayonet socket sets up, the cover is equipped with on the bracing piece is used for the drive the closing plate closes the reset assembly in coupling chamber.

By adopting the technical scheme, when the pipeline connector is in work, the pipeline connector is inserted into the insertion base, the pipeline connector is abutted and sealed through the quick clamp, and meanwhile, the sealing block pushes the supporting rod to open the sealing plate, so that gas in the gas guide cavity flows into the connecting cavity, and the effect of detecting the gas tightness of the pipeline connector is achieved; by adopting the method, the connection cavity can be closed through the sealing plate when the quick clamp is not closed, so that when the pipeline joints less than the number of the plug sockets are detected, gas leakage of other plug sockets is avoided, the detection device can detect any number of pipeline joints, and the convenience of measuring the air tightness of the pipeline joints is improved.

Preferably, the connecting cavity is internally provided with a guide block connected with the support rod in a sliding manner, and the inner wall of the connecting cavity is fixedly provided with a plurality of connecting rods used for connecting the guide block.

Through adopting above-mentioned technical scheme, use guide block and connecting rod cooperation to use, can make the bracing piece can slide more stably to can make the closing plate aim at more accurately and connect the chamber, improve the leakproofness of closing plate.

Preferably, one side of the sealing plate, which is close to the supporting seat, is circumferentially provided with an insertion chamfer, and one side of the connecting cavity, which is close to the sealing plate, is provided with a butting chamfer matched with the insertion chamfer.

Through adopting above-mentioned technical scheme, the grafting chamfer is pegged graft in the butt chamfer, not only can improve the butt area that closing plate and supporting seat supported, ensures the leakproofness of closing plate, can also make the closing plate can peg graft fixedly more conveniently, improves the stability of using the closing plate.

Preferably, the reset assembly comprises a butt plate fixed at one end of the support rod, which is far away from the air guide tube, a reset spring is sleeved on the support rod, and two ends of the reset spring are respectively abutted to two sides of the butt plate, which are close to the plug socket.

Through adopting above-mentioned technical scheme, use reset spring can drive the bracing piece to keeping away from the supporting seat and removing to can make the closing plate can better butt on the butt chamfer, ensure the leakproofness of closing plate.

Preferably, one side of the inserting seat close to the abutting plate is provided with a limiting groove for inserting the return spring.

Through adopting above-mentioned technical scheme, use the spacing groove can reduce reset spring and take place the condition that removes, make reset spring can use more stably, improve the sealed effect of closing plate.

Preferably, the bayonet socket comprises a fixed seat detachably connected to the air duct, a bayonet joint is integrally formed on one side, away from the air duct, of the fixed seat, and the plurality of gas injection ports are formed in the outer wall of the bayonet joint.

Through adopting above-mentioned technical scheme, set up the gas injection mouth on the bayonet joint outer wall to can aerify the pipeline joint for, avoid gaseous directly blowing sealed piece, cause sealed piece and pipeline joint department to take place to leak, influence the detection of pipeline joint gas tightness.

Preferably, one side of the air duct is provided with a plurality of threaded holes communicated with the air duct cavity, and the outer wall of the fixing seat is integrally formed with a threaded section in threaded fit connection with the threaded holes.

Through adopting above-mentioned technical scheme, can dismantle the connection with the fixing base through screw-thread fit's mode, can install more conveniently and dismantle the fixing base.

Preferably, the plug is sleeved with a sealing ring, and the sealing ring abuts against one side, far away from the air guide tube, of the fixing seat.

Through adopting above-mentioned technical scheme, use the sealing ring can make the pipeline connect can seal better, improve the precision of detecting pipeline joint gas tightness.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the sealing block is abutted to the supporting rod, so that the sealing plate is opened, and the connecting cavity can be closed through the sealing plate when the quick clamp is not closed, so that when the pipeline joints less than the number of the plug sockets are detected, gas leakage of other plug sockets is avoided, the detection device can detect any number of pipeline joints, and the convenience of measuring the gas tightness of the pipeline joints is improved;

2. the support rod can slide more stably by matching the connecting rod with the guide block, so that the sealing plate can be more accurately aligned to the connecting cavity, and the sealing property of the sealing plate is improved;

3. the reset spring can drive the supporting rod to move away from the supporting seat, so that the sealing plate can be better abutted to the abutting chamfer, and the sealing performance of the sealing plate is ensured.

Drawings

Fig. 1 is a schematic structural diagram of a pipe joint airtightness detection apparatus according to an embodiment of the present application.

Fig. 2 is a cross-sectional view of a pipe joint airtightness detection apparatus according to an embodiment of the present application.

Fig. 3 is an enlarged schematic view of a portion a of fig. 2 shown in a highlighted manner.

Reference numerals: 1. quickly clamping; 2. connecting an air pipe; 3. an air duct; 4. a socket; 41. a fixed seat; 42. a plug-in connector; 5. a handle; 6. a supporting base; 7. a sealing block; 8. a support bar; 9. abutting against the plate; 10. a return spring; 11. a connecting rod; 12. a guide block; 13. sealing plates; 14. inserting and chamfering; 15. butting and chamfering; 16. a connecting cavity; 17. a gas injection port; 18. a gas conducting cavity; 19. a limiting groove; 20. and (4) a sealing ring.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses pipe joint gas tightness detection device. Referring to fig. 1 and 2, a pipe joint gas tightness detection device, including supporting seat 6, supporting seat 6 comprises the bottom of rectangle and the backup pad on the bottom plate, and bolted connection has two handles 5 on the bottom, is fixed with air duct 3 on supporting

seat

6, and 3 cross-sections of air duct are the rectangle, have seted up air guide chamber 18 in the

air duct

3, and 3 one side welded fastening of air duct has the trachea 2 of being connected with air guide chamber 18 is linked together, and it is the ring form to connect trachea 2. Air duct 3 can dismantle along one side and be connected with a plurality of sockets 4 that are used for the pipeline of pegging graft to connect, has seted up a plurality of gas injection mouths 17 on socket 4, and bolted connection has a plurality of quick-witted sandwiches 1 on the supporting seat 6, is fixed with sealed piece 7 that is used for butt and sealed pipeline to connect on the quick-witted sandwiches 1, and sealed piece 7 is the cylinder piece and adopts the rubber materials preparation.

The supporting seat 6 is internally provided with a connecting cavity 16 for communicating the gas injection port 17 with the gas guide cavity 18, the connecting cavity 16 is internally connected with a sealing plate 13 for controlling the switch of the connecting cavity 16 in a sliding manner, one side of the sealing plate 13, which is far away from the gas guide tube 3, is integrally formed with a supporting rod 8, the supporting rod 8 is a cylindrical rod, the supporting rod 8 runs through one side of the plug socket 4, and the supporting rod 8 is sleeved with a reset component for driving the sealing plate 13 to close the connecting cavity 16.

Adopt such design can be after gas injection in air duct 3, seal through closing plate 13 and connect chamber 16, when using, put the pipeline joint on bayonet socket 4, through sealed piece 7 butt bracing piece 8 to realize opening of closing plate 13, thereby can normally carry out the inspection of pipeline joint gas tightness. Therefore, the detection device can detect 1 or more pipeline joints, and the convenience of the detection device is improved.

Socket 4 is including dismantling the fixing base 41 of connecting on

air duct

3, 41 cross-sections of fixing base are the ring form, integrated into one piece has the screw thread section on 41 outer walls of fixing base, 3 one sides of air duct set up a plurality of screw holes that communicate with air duct chamber 18, screw thread section screw-thread fit connects on the screw hole, the cover is equipped with sealing ring 20 on the bayonet joint 42, sealing ring 20 is the ring form and adopts the rubber materials preparation, sealing ring 20 butt is in one side that air duct 3 was kept away from to fixing base 41, one side integrated into one piece that air duct 3 was kept away from to fixing base 41 has bayonet joint 42, a plurality of gas injection mouths 17 are all seted up on bayonet joint 42 outer wall.

By adopting the design, the plug socket 4 can be more conveniently mounted and dismounted, and the convenience of using the plug socket 4 is improved.

A guide block 12 connected with the support rod 8 in a sliding manner is fixed in the connecting cavity 16, the section of the guide block 12 is circular, and a plurality of connecting rods 11 used for connecting the guide block 12 are fixed on the inner wall of the connecting cavity 16; an inserting chamfer 14 is formed on one side, close to the supporting seat 6, of the sealing plate 13 along the circumference, and an abutting chamfer 15 matched with the inserting chamfer 14 is formed on one side, close to the sealing plate 13, of the connecting cavity 16.

By adopting the design, the sealing plate 13 can slide more smoothly and stably, and the effect of sealing the connecting cavity 16 by the sealing plate 13 is improved.

Reset assembly includes welded fastening and keeps away from the butt board 9 of 3 one ends of air duct in bracing piece 8, butt board 9 is cylindricly, the cover is equipped with reset spring 10 on the bracing piece 8, reset spring 10's both ends butt respectively in the both ends that plug socket 4 and butt board 9 are close to each other, thereby make closing plate 13 support tight butt chamfer 15, improve closing plate 13's leakproofness, plug socket 4 is close to one side of butt board 9 and offers the spacing groove 19 that is used for grafting reset spring 10, spacing groove 19 is the cylinder groove, can play the effect of restriction to reset spring 10, avoid reset spring 10 to take place to remove.

The implementation principle of the pipeline joint air tightness detection device in the embodiment of the application is as follows: the during operation, the staff will wait that the pipeline that detects connects to peg graft on bayonet joint 42, uses sealed piece 7 butt on butt 9 through quick-operation clamp 1 to promote closing plate 13 to open, thereby to gas injection in the pipeline connects, reach the effect of measuring pipeline gas tightness, adopt such design can detect the pipeline of any arbitrary quantity and connect, improve the convenience that detects the pipeline and connect.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a pipeline connects gas tightness detection device which characterized in that: the device comprises a supporting seat (6), wherein an air guide tube (3) is arranged on the supporting seat (6), an air guide cavity (18) is formed in the air guide tube (3), a connecting air tube (2) communicated with the air guide cavity (18) is formed in the air guide tube (3), a plurality of inserting seats (4) used for inserting pipeline joints are detachably arranged on one side of the air guide tube (3), a plurality of air injection ports (17) are formed in the inserting seats (4), a plurality of quick clamps (1) are arranged on the supporting seat (6), and sealing blocks (7) used for abutting and sealing the pipeline joints are arranged on the quick clamps (1);

set up connecting chamber (16) that are used for intercommunication gas injection mouth (17) and air guide chamber (18) in supporting seat (6), connecting chamber (16) interior smooth pipeline joint gas tightness detection device, its characterized in that: including supporting seat (6), be provided with air duct (3) on supporting seat (6), air guide chamber (18) have been seted up in air duct (3), set up on air duct (3) and move with the air guide and be connected with and be used for control connecting closing plate (13) of chamber (16) switch, closing plate (13) are kept away from one side of air duct (3) is provided with bracing piece (8), bracing piece (8) run through grafting seat (4) set up, the cover is equipped with on bracing piece (8) is used for the drive closing plate (13) the reset unit who connects chamber (16).

2. The pipe joint airtightness detection apparatus according to claim 1, wherein: the connecting cavity (16) is internally provided with a guide block (12) connected with the supporting rod (8) in a sliding manner, and the inner wall of the connecting cavity (16) is fixedly provided with a plurality of connecting rods (11) used for connecting the guide block (12).

3. The pipe joint airtightness detection apparatus according to claim 2, wherein: one side of the sealing plate (13) close to the supporting seat (6) is circumferentially provided with an inserting chamfer (14), and one side of the connecting cavity (16) close to the sealing plate (13) is provided with a butting chamfer (15) matched with the inserting chamfer (14).

4. The pipe joint airtightness detection apparatus according to claim 1, wherein: the reset assembly comprises a butt plate (9) fixed at one end, away from the air guide tube (3), of the support rod (8), a reset spring (10) is sleeved on the support rod (8), and two ends of the reset spring (10) are respectively abutted to two sides, close to each other, of the butt plate (9) and the plug socket (4).

5. The pipe joint airtightness detection apparatus according to claim 4, wherein: and one side of the inserting seat (4) close to the abutting plate (9) is provided with a limiting groove (19) for inserting the return spring (10).

6. The pipe joint airtightness detection apparatus according to claim 1, wherein: the plug socket (4) comprises a fixed seat (41) detachably connected to the air guide tube (3), a plug connector (42) is integrally formed on one side, away from the air guide tube (3), of the fixed seat (41), and the gas injection port (17) is formed in the outer wall of the plug connector (42).

7. The pipe joint airtightness detection apparatus according to claim 6, wherein: one side of the air duct (3) is provided with a plurality of threaded holes communicated with the air duct cavity (18), and the outer wall of the fixed seat (41) is integrally formed with a threaded section in threaded fit connection with the threaded holes.

8. The pipe joint airtightness detection apparatus according to claim 6, wherein: the sealing ring (20) is sleeved on the plug-in connector (42), and the sealing ring (20) abuts against one side, far away from the air guide pipe (3), of the fixed seat (41).