CN220670839U

CN220670839U - Leak detection device for automobile pipe fitting

Info

Publication number: CN220670839U
Application number: CN202320900391.7U
Authority: CN
Inventors: 张贵运; 张贵博; 蔡秀平
Original assignee: Binzhou Haoxing Precision Machinery Co ltd
Current assignee: Binzhou Haoxing Precision Machinery Co ltd
Priority date: 2023-04-20
Filing date: 2023-04-20
Publication date: 2024-03-26
Anticipated expiration: 2033-04-20

Abstract

The utility model relates to the technical field of automobile pipe fitting detection, and discloses an automobile pipe fitting leakage detection device which comprises a water tank, a tank cover arranged at the top of the water tank and a support frame arranged at the top of the tank cover, wherein a cylinder body is arranged at the center of the tank cover in a sliding manner, the lower surface inside the water tank is connected with a support pipe extending into the cylinder body, a conical rubber sleeve is sleeved at the position, close to the top end, of the support pipe, a conical rubber plug is arranged above the rubber sleeve, a pressing component is arranged between the rubber plug and the support frame, and an inflation component for ventilating the support pipe is arranged at the outer side of the water tank. The utility model not only facilitates the detection of the tightness of the automobile pipe fitting, but also facilitates the determination of the specific position of the leakage point of the leakage pipe fitting.

Description

Leak detection device for automobile pipe fitting

Technical Field

The utility model relates to the technical field of automobile pipe fitting detection, in particular to a leakage detection device for an automobile pipe fitting.

Background

With the rapid development of the automotive industry, pipe fittings have been increasingly valued as important automotive parts. The pipe fitting will carry out the gas tightness after accomplishing in production and detect, and the general gas tightness detects and is fixed the pipe fitting with anchor clamps, then utilizes and seals the inflation to its both ends with pipe fitting assorted sealing plug, judges whether the pipe fitting is sealed according to atmospheric pressure, but this kind of mode has following defect:

1. if the sealing plugs at the two ends of the pipe fitting are not damaged, whether the pipe fitting leaks or not can be judged by utilizing air pressure, but the specific position of the pipe fitting leaks is inconvenient to determine;

2. in the detection process, whether the sealing plugs at the two ends of the end-capped pipe fitting are damaged or not is inconvenient to determine, and if the air pressure fluctuates, the damage to the sealing plugs at the two ends of the pipe fitting can also cause a certain detection error.

Disclosure of Invention

The utility model aims to solve the problems in the background art, and provides a leakage detection device for an automobile pipe fitting.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a leak hunting device of auto pipe fitting, includes the water tank, installs the case lid at the water tank top and installs the support frame at the case lid top, the center department slip of case lid is provided with the barrel, the inside lower surface of water tank is connected with the stay tube that extends to in the barrel, the position department suit that the stay tube is close to the top is equipped with conical rubber sleeve, the top of rubber sleeve is equipped with conical rubber buffer, install between rubber buffer and the support frame and push down the subassembly, the inflation subassembly that is used for ventilating in the stay tube is installed in the outside of water tank.

Preferably, the inflation assembly comprises a supporting plate arranged at the position, close to the outer side wall of the bottom, of the water tank, an air pump is arranged on the supporting plate, a transverse tube is arranged between the air pump and the supporting tube, and an air pressure gauge arranged above the supporting plate is arranged at the bottom of the transverse tube.

Preferably, the pushing component comprises a cylinder arranged at the top end of the supporting frame, the output end of the cylinder is connected with an annular plate, and the rubber plug is arranged at the bottom of the annular plate.

Preferably, the cylinder is of a structure with two open ends, a piston matched with the cylinder is fixedly sleeved on the outer tube wall of the supporting tube, a water supply assembly is arranged between the cylinder and the water tank, and a lifting assembly is arranged between the cylinder and the tank cover.

Preferably, the lifting assembly comprises a motor arranged at the top of the box cover, the output end of the motor is connected with a screw rod extending into the water tank, a cross rod is arranged at the position, close to the outer barrel wall at the bottom end, of the barrel body, and the screw rod is in threaded connection with the cross rod.

Preferably, the water supply assembly comprises an L-shaped pipe communicated with the side wall of the top end of the cylinder body, the L-shaped pipe is in sliding connection with the tank cover, a pump body is mounted on the lower surface of the inside of the water tank, and a corrugated pipe is communicated between the pump body and the L-shaped pipe.

Preferably, the transverse tube is provided with a one-way valve positioned between the barometer and the air pump.

Compared with the prior art, the utility model provides a leakage detection device for an automobile pipe fitting, which has the following beneficial effects:

1. this leak hunting device of auto pipe fitting pushes down the subassembly through the rubber sleeve and the rubber buffer cooperation of toper structure and not only conveniently treats the pipe fitting of leak hunting and fix a position, conveniently carries out quick shutoff to its both ends moreover, utilizes the inflation component to conveniently judge whether the pipe fitting takes place to leak.

2. This leak hunting device of auto pipe fitting conveniently drives the barrel through lifting unit and rises, and the pipe fitting after being convenient for make the end closure is located the barrel, utilizes water supply assembly to conveniently guide into the barrel with the water in the water tank, observes the position that the bubble produced in the barrel and not only can confirm the specific leakage point of pipe fitting, conveniently judges whether the shutoff is carried out completely at the pipe fitting both ends moreover.

The device has the advantages that the non-related parts are the same as or can be realized by adopting the prior art, the tightness of the automobile pipe fitting is conveniently detected, and the specific position of the leakage point of the leakage pipe fitting is conveniently determined.

Drawings

FIG. 1 is a schematic diagram of a leak detection apparatus for automotive pipe fittings according to the present utility model;

FIG. 2 is a schematic diagram of a leak detection apparatus for automotive pipe fittings according to the present utility model;

fig. 3 is a perspective view of a connection portion of a rubber sleeve and a support tube in the present utility model.

In the figure: 1. a water tank; 2. a case cover; 3. a support frame; 4. a cylinder; 5. a support tube; 6. a rubber sleeve; 7. a rubber stopper; 8. a support plate; 9. an air pump; 10. a transverse tube; 11. an air pressure gauge; 12. a cylinder; 13. an annular plate; 14. a piston; 15. a motor; 16. a screw rod; 17. an L-shaped tube; 18. a pump body; 19. a bellows.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-3, a leak detection device of automobile pipe fitting, including water tank 1, install the case lid 2 at water tank 1 top and install the support frame 3 at case lid 2 top, the center department slip of case lid 2 is provided with transparent acrylic material's barrel 4, the inside lower surface of water tank 1 is connected with the stay tube 5 that extends to in the barrel 4, the position department cover that the stay tube 5 is close to the top is equipped with conical rubber sleeve 6, the top of rubber sleeve 6 is equipped with conical rubber buffer 7, install the subassembly that pushes down between rubber buffer 7 and the support frame 3, push down the subassembly including installing the cylinder 12 at the support frame 3 top, the output of cylinder 12 is connected with annular slab 13, rubber buffer 7 is installed in the bottom of annular slab 13, not only conveniently treat the pipe fitting of leak hunting, be convenient for seal its both ends moreover.

Referring to fig. 1-2, an inflation assembly for ventilating the support tube 5 is installed on the outer side of the water tank 1, the inflation assembly comprises a support plate 8 installed on the outer side wall of the water tank 1 close to the bottom, an air pump 9 is installed on the support plate 8, a transverse tube 10 is installed between the air pump 9 and the support tube 5, the air pump 9 is started to conveniently convey air into the support tube 5 through the transverse tube 10, so that the support tube 5 is used for introducing the air into a pipe fitting to be detected, an air pressure gauge 11 positioned above the support plate 8 is installed on the bottom of the transverse tube 10, whether the air pressure fluctuates or not is conveniently observed, and a one-way valve positioned between the air pressure gauge 11 and the air pump 9 is installed on the transverse tube 10, so that air backflow is avoided.

Referring to fig. 1-2, the cylinder 4 is of a structure with two open ends, a piston 14 matched with the cylinder 4 is fixedly sleeved at the outer tube wall of the supporting tube 5, a lifting assembly is installed between the cylinder 4 and the box cover 2, the lifting assembly comprises a motor 15 installed at the top of the box cover 2, the output end of the motor 15 is connected with a screw rod 16 extending into the water tank 1, a cross rod is installed at the outer tube wall of the cylinder 4 close to the bottom end, the screw rod 16 is in threaded connection with the cross rod, and the lifting of the cylinder 4 is conveniently controlled to enable pipe fittings with two end caps to be located in the cylinder 4.

Referring to fig. 1-2, install water supply assembly between barrel 4 and the water tank 1, water supply assembly includes the L type pipe 17 that is linked together with barrel 4 top lateral wall, L type pipe 17 and case lid 2 sliding connection, the inside lower surface mounting of water tank 1 has pump body 18, the intercommunication has bellows 19 between pump body 18 and the L type pipe 17, conveniently carry out the self-adaptation flexible, start pump body 18 and conveniently pour into the water in the water tank 1 into barrel 4 by bellows 19 and L type pipe 17 in to conveniently find the concrete position of pipe fitting gas leakage point.

Working principle: one end of a pipe fitting to be detected is sleeved on the rubber sleeve 6, the cylinder 12 is started to enable the rubber plug 7 to press the top end of the pipe fitting, the rubber sleeve 6 and the rubber plug 7 with conical structures are matched under the action of pressure to seal the two ends of the pipe fitting, the air pump 9 is started to inject proper amount of air into the supporting pipe 5, the pressure displayed by the air pressure meter 11 is observed subsequently, if the pressure does not change, the tightness of the pipe fitting is good, if the pressure gradually decreases, a leakage point exists in the pipe fitting, the starting motor 15 drives the screw rod 16 to rotate, the cylinder 4 can be lifted, so that the pipe fitting with the sealed two ends is positioned in the cylinder 4, the pump body 18 can be used for injecting water into the cylinder 4 by using the L-shaped pipe 17, the leakage point of the pipe fitting can be determined by observing the position of bubbles generated in the cylinder 4, the top end of the pipe fitting is controlled, whether the air bubbles generated at the two ends of the pipe fitting can be determined, whether the air tightness is affected by the rubber sleeve 6 and the rubber plug 7 due to damage, the cylinder 4 is controlled to continuously lift to separate from the piston 14, and the water in the cylinder 4 can be automatically dropped into the cylinder 1.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a leak hunting device of auto pipe fitting, includes the water tank, installs the case lid at the water tank top and installs the support frame at the case lid top, its characterized in that, the center department slip of case lid is provided with the barrel, the inside lower surface of water tank is connected with the stay tube that extends to in the barrel, the position department cover that the stay tube is close to the top is equipped with conical rubber sleeve, the top of rubber sleeve is equipped with conical rubber buffer, install between rubber buffer and the support frame and push down the subassembly, be used for to the ventilative subassembly that aerifing in the stay tube is installed in the outside of water tank.

2. The leak detection device for automotive pipe fittings according to claim 1, wherein the air inflation assembly comprises a support plate mounted on the water tank near the outer side wall of the bottom, an air pump is mounted on the support plate, a transverse tube is mounted between the air pump and the support tube, and a barometer positioned above the support plate is mounted on the bottom of the transverse tube.

3. The device for detecting leakage of an automotive pipe fitting according to claim 1, wherein the pressing component comprises a cylinder installed at the top end of the supporting frame, the output end of the cylinder is connected with an annular plate, and the rubber plug is installed at the bottom of the annular plate.

4. The leakage detection device for the automobile pipe fitting according to claim 1, wherein the cylinder body is of a structure with two open ends, a piston matched with the cylinder body is fixedly sleeved at the outer pipe wall of the supporting pipe, a water supply assembly is arranged between the cylinder body and the water tank, and a lifting assembly is arranged between the cylinder body and the box cover.

5. The apparatus for leak detection of automotive pipe fitting according to claim 4, wherein the lifting assembly comprises a motor mounted on the top of the tank cover, the output end of the motor is connected with a screw rod extending into the water tank, the outer cylinder wall of the cylinder body, which is close to the bottom end, is provided with a cross rod, and the screw rod is in threaded connection with the cross rod.

6. The apparatus for detecting leakage of a vehicle pipe fitting according to claim 4, wherein the water supply assembly comprises an L-shaped pipe communicated with a side wall of a top end of the cylinder, the L-shaped pipe is slidably connected with the tank cover, a pump body is mounted on a lower surface of the inside of the water tank, and a bellows is communicated between the pump body and the L-shaped pipe.

7. The apparatus for detecting leakage of a vehicle pipe fitting according to claim 2, wherein the lateral pipe is provided with a check valve between the barometer and the air pump.