Quick connection tool for leakage detection

By designing a quick-connect tooling for leak testing, and utilizing a combination of limiting components and screw nuts, the problem of the inability to connect the inlet and outlet of the light-hole cooling plate was solved, enabling a good test of the sealing performance of the threadless connection and improving testing efficiency.

CN224051506UActive Publication Date: 2026-03-27WUXI XIANYAN NEW MATERIAL TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-01
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

In the existing technology, the inlet and outlet of the light-hole cooling plate cannot be connected to the threaded joint, which makes water pressure or air pressure testing difficult and results in poor test results.

Method used

A quick-connection tooling for leak testing was designed, including a leak testing tube, an elastic sealing ring, a limiting component, a positioning bolt, a screw nut, a snap-fit ​​connector, and a connecting connector. The limiting component limits the movement of the snap-fit ​​connector, and the rotation of the screw nut causes the elastic sealing ring to be squeezed and sealed to the inner wall of the inlet and outlet, thus achieving a seal test without the need for threaded connections.

Benefits of technology

It achieves a good sealing connection with the aperture, simplifies the testing process, improves the testing results, and avoids the trouble of threaded connections.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a leak hunting rapid connection tool, which comprises a leak hunting pipe, and an elastic sealing ring, a limiting piece, a positioning bolt, a screwing nut, a clamping joint and a connection joint which are sequentially sleeved on the leak hunting pipe, the screwing nut is detachably screwed on the peripheral side of the positioning bolt, the clamping joint is detachably connected with the connection joint, and the elastic sealing ring, the limiting piece, the positioning bolt, the screwing nut, the clamping joint and the connection joint are connected in a sleeving manner. And the connecting joint is connected with the leak hunting pipe. The tool provided by the utility model can be matched with an unthreaded hole, is good in sealing performance, and improves the testing effect.
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Description

TECHNICAL FIELD

[0001] The utility model relates to leak detection technical field, concretely relates to a leak detection quick connection tool. BACKGROUND

[0002] In some products, water pressure test or air pressure test is needed to test whether the parts leak, such as the cooling disc of semiconductor, the cooling disc is provided with inlet and outlet and multiple flow channels, and has multiple welds and sealing areas, when the cooling disc is completed, it needs to be tested for leakage to observe whether the welds and sealing areas leak. The prior art adopts threaded joint to be screwed with the inlet and outlet of the cooling disc, and then water or gas is introduced for testing, but with the improvement of technology, the inlet and outlet of many water cooling discs are light holes, and no longer use threads, so that the threaded joint cannot be connected with the light hole, and the test is more troublesome. Therefore, a new technical scheme is needed to solve the above technical problems. SUMMARY

[0003] The utility model aims at providing a leak detection quick connection tool, which can match with the light hole, has good sealing performance and improves the test effect.

[0004] In order to realize the above technical purpose and achieve the above technical requirements, the utility model adopts the technical scheme of a leak detection quick connection tool, characterized by comprising a leak detection pipe, an elastic sealing ring sequentially sleeved on the leak detection pipe, a limiting piece, a positioning bolt, a spin top nut, a clamping joint and a connecting joint, the spin top nut is detachably screwed on the outer circumferential side of the positioning bolt, the clamping joint and the connecting joint are detachably connected, and the connecting joint is connected with the leak detection pipe.

[0005] As a preferred technical scheme, one end of the leak detection pipe is provided with an abutting portion, and the elastic sealing ring is located between the limiting piece and the abutting portion.

[0006] As a preferred technical scheme, at least one plane bearing is arranged between the limiting piece and the positioning bolt, and the plane bearing is sleeved on the leak detection pipe.

[0007] As a preferred technical scheme, at least one plane bearing is arranged between the spin top nut and the clamping joint.

[0008] As a preferred technical scheme, a lock nut is detachably screwed on the outer side of the positioning bolt, and the lock nut is located below the spin top nut.

[0009] As a preferred technical scheme, the limiting piece is a clamp.

[0010] As a preferred technical scheme, the clamp comprises a first semicircular clasp ring and a second semicircular clasp ring, and the first semicircular clasp ring and the second semicircular clasp ring are detachably connected.

[0011] As a preferred technical solution, the first semicircular retaining ring and the second semicircular retaining ring are respectively provided with a first limiting semiring and a second limiting semiring at one end facing the elastic sealing ring, and the first limiting semiring and the second limiting semiring constitute a limiting ring.

[0012] As a preferred technical solution, the elastic sealing ring is an O-ring.

[0013] The beneficial effects of this utility model are:

[0014] 1) The leak test tube is limited by the limiting component. The top nut is rotated upward to push against the snap-fit ​​connector. The snap-fit ​​connector moves the leak test tube upward, thereby moving the elastic sealing ring. The limiting component squeezes the elastic sealing ring, causing it to expand and squeeze the inner wall of the inlet or outlet, preventing the tooling from loosening. Then, water or gas is introduced into the leak test tube for leak testing. There is no need for threaded connection at the inlet or outlet, and the sealing performance is good, resulting in good test results.

[0015] 2) The abutting part can prevent the elastic sealing ring from falling off and can abut against the elastic sealing ring to compress it;

[0016] 3) The surface bearing serves to transmit force and reduce friction;

[0017] 4) Anti-loosening nuts prevent the positioning bolts from loosening. Attached Figure Description

[0018] Figure 1 This is a structural diagram of a tooling provided in one embodiment of the present invention;

[0019] Figure 2 This is a working drawing of the tooling provided in one embodiment of the present invention;

[0020] Figure 3 This is a cross-sectional view of a tooling provided in one embodiment of the present invention.

[0021] exist Figures 1-3 In the middle, 1. Leak test tube; 101. Abutment part; 2. Elastic sealing ring; 3. Limiting component; 301. First semi-circular retaining ring; 3011. First limiting semi-ring; 302. Second semi-circular retaining ring; 3021. Second limiting semi-ring; 4. Positioning bolt; 5. Top nut; 6. Snap-fit ​​connector; 601. Center hole; 7. Connecting connector; 8. Anti-loosening nut; 9. Surface bearing; 10. Upper plate; 1001. Inlet; 1002. Outlet; 1003. Flow channel; 11. Lower plate. Detailed Implementation

[0022] The present invention will now be further described with reference to the accompanying drawings.

[0023] The same or similar reference signs in the drawings of the embodiments of the present application correspond to the same or similar components; in the description of the present application, it should be understood that if the terms "head", "tail", "top", "bottom", "left", "right", "front", "back", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, it is only for the convenience of describing the present application, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, therefore the terms describing the positional relationship in the drawings are only used for exemplary description, and cannot be understood as a limitation on the present patent, for those skilled in the art, the specific meanings of the above terms can be understood according to the specific circumstances.

[0024] Please refer to Figures 1-3 , an embodiment of the present application provides a leak detection quick connecting tool, which comprises a leak detection pipe 1, an elastic sealing ring 2, a limiting piece 3, a positioning bolt 4, a rotating top nut 5, a clamping joint 6 and a connecting joint 7, the rotating top nut 5 is detachably arranged on the outer circumferential side of the positioning bolt 4, the clamping joint 6 and the connecting joint 7 are detachably connected, the leak detection pipe 1 is movably inserted into the limiting piece 3, the positioning bolt 4 is a hollow structure, the leak detection pipe passes through the positioning bolt 4, the clamping joint 6 is threadedly connected with the connecting joint 7, the connecting joint 7 is threadedly connected with the leak detection pipe 1, the leak detection pipe 1 is limited by the limiting piece 3, the rotating top nut 5 is rotated to upwardly abut against the clamping joint 6, the clamping joint 6 drives the connecting joint 7 to move upwardly, the connecting joint 7 drives the leak detection pipe 1 to move upwardly, thereby driving the elastic sealing ring 2 to move, the limiting piece 3 extrudes the elastic sealing ring 2 to make the elastic sealing ring 2 expand, thereby extruding the inner wall of the inlet 1001 or the outlet 1002, so that the tool is not loose, then water or gas is introduced into the leak detection pipe 1 to detect the leakage, the inlet 1001 or the outlet 1002 does not need to be threadedly connected, and the sealing performance is good, and the testing effect is good.

[0025] As Figures 1-3 shown, the cooling disc comprises an upper disc 10 and a lower disc 11 arranged on the lower side of the upper disc 10, the upper disc 10 is provided with an inlet 1001 and an outlet 1002 penetrating the upper disc 10 in the axial direction, a plurality of flow channels 1003 are arranged on the lower side of the upper disc 10, the inlet 1001 and the outlet 1002 are in communication with the flow channels 1003, and one tool is respectively arranged on the inlet 1001 and the outlet 1002.

[0026] As Figures 1-3As shown, the leak detection tube 1 is provided with an abutting portion 101 at one end, and the elastic sealing ring 2 is located between the limiting piece 3 and the abutting portion 101. The abutting portion 101 is a circular ring, which prevents the elastic sealing ring 2 from falling off. When the side leakage tube moves upward, the abutting portion 101 is pressed against the elastic sealing ring 2, so that the elastic sealing ring 2 expands and can be pressed into the inner wall of the inlet 1001 or the outlet 1002. In this way, the tool will not fall off and the sealing performance is good. Even a light hole can be installed.

[0027] As shown in the Figures 1-3 abutting portion 101 is a circular ring, which prevents the elastic sealing ring 2 from falling off. When the side leakage tube moves upward, the abutting portion 101 is pressed against the elastic sealing ring 2, so that the elastic sealing ring 2 expands and can be pressed into the inner wall of the inlet 1001 or the outlet 1002. In this way, the tool will not fall off and the sealing performance is good. Even a light hole can be installed.

[0028] As shown in the Figures 1-3 abutting portion 101 is a circular ring, which prevents the elastic sealing ring 2 from falling off. When the side leakage tube moves upward, the abutting portion 101 is pressed against the elastic sealing ring 2, so that the elastic sealing ring 2 expands and can be pressed into the inner wall of the inlet 1001 or the outlet 1002. In this way, the tool will not fall off and the sealing performance is good. Even a light hole can be installed.

[0029] As shown in the Figures 1-3 abutting portion 101 is a circular ring, which prevents the elastic sealing ring 2 from falling off. When the side leakage tube moves upward, the abutting portion 101 is pressed against the elastic sealing ring 2, so that the elastic sealing ring 2 expands and can be pressed into the inner wall of the inlet 1001 or the outlet 1002. In this way, the tool will not fall off and the sealing performance is good. Even a light hole can be installed.

[0030] As shown in the Figures 1-3 abutting portion 101 is a circular ring, which prevents the elastic sealing ring 2 from falling off. When the side leakage tube moves upward, the abutting portion 101 is pressed against the elastic sealing ring 2, so that the elastic sealing ring 2 expands and can be pressed into the inner wall of the inlet 1001 or the outlet 1002. In this way, the tool will not fall off and the sealing performance is good. Even a light hole can be installed.

[0031] As shown in the Figures 1-3As shown, the first semicircular clamping ring 301 and the second semicircular clamping ring 302 are provided with a first limiting semicircle 3011 and a second limiting semicircle 3021 respectively at one end of the elastic sealing ring 2, the first limiting semicircle 3011 and the second limiting semicircle 3021 form a limiting ring, when installed, the first limiting semicircle 3011 and the second limiting semicircle 3021 are inserted into the inlet 1001 or the outlet 1002, and abut against the inner wall of the inlet 1001 or the outlet 1002 to form a limit, and at the same time, the elastic sealing ring 2 abuts against the limiting ring to form extrusion.

[0032] As shown in the drawings, Figures 1-3 The elastic sealing ring 2 is an O-shaped ring, which is simple to select, convenient to install and disassemble, has good expansion extrusion effect, and good sealing performance.

[0033] When the inlet 1001 needs to be tested, a plug cap can be installed at the connecting joint 7 of the tooling at the outlet 1002, and when the outlet 1002 needs to be tested, a plug cap can be installed at the connecting joint 7 of the tooling at the inlet 1001, and the plug cap and the connecting joint 7 are generally connected by threads.

[0034] As shown in the drawings, Figures 1-3 The tooling process provided by the preferred embodiment of the utility model is as follows:

[0035] Put one end of the side leakage pipe provided with the O-shaped ring into the inlet 1001 of the cooling disc, the limiting ring enters the inlet 1001 of the cooling disc, rotate the lock nut 8 to prevent the positioning bolt 4 from rotating and indirectly apply a force to the clamping hoop to fix the clamping hoop, rotate the top lock nut to lift the clamping joint 6 upward, the clamping joint 6 and the connecting joint 7 are lifted together, thereby driving the side leakage pipe to rise, the abutting portion 101 extrudes the O-shaped ring with the limiting ring, the O-shaped ring is expanded and extruded against the inner wall of the inlet 1001, and the tooling is not loose and is sealed;

[0036] Put one end of the side leakage pipe provided with the O-shaped ring into the outlet 1002 of the cooling disc, the limiting ring enters the outlet 1002 of the cooling disc, rotate the lock nut 8 to prevent the positioning bolt 4 from rotating and indirectly apply a force to the clamping hoop to fix the clamping hoop, rotate the top lock nut to lift the clamping joint 6 upward, the clamping joint 6 and the connecting joint 7 are lifted together, thereby driving the side leakage pipe to rise, the abutting portion 101 extrudes the O-shaped ring with the limiting ring, the O-shaped ring is expanded and extruded against the inner wall of the outlet 1002, and the tooling is not loose and is sealed;

[0037] Install a threaded plug cap at the connecting joint 7 of the tooling at the outlet 1002 to achieve plugging of the outlet 1002, and connect a water source or a gas source with pressure to the connecting joint 7 of the tooling at the inlet 1001, and after connection, observe whether the welding seam or the sealing area of the cooling disc leaks.

[0038] The above embodiments are merely described for clearly illustrating the present application, and are not intended to limit the embodiments. For those skilled in the art, other different forms of changes or variations can be made on the basis of the above description, which do not need to be enumerated all the embodiments, and the obvious changes or variations derived therefrom are still within the protection scope of the present application.

Claims

1. A leak testing quick connect tool, characterized by, The utility model provides a leak detection tube, elastic sealing ring, limiting piece, positioning bolt, screw nut, clamping joint, connecting joint are sequentially arranged in the leak detection tube, the screw nut is detachably arranged on the outer circumferential side of the positioning bolt, the clamping joint and the connecting joint are detachably connected, and the connecting joint is connected with the leak detection tube.

2. The leak testing quick connect tool of claim 1, wherein, One end of the leak detection tube is provided with an abutting portion, and the elastic sealing ring is located between the limiting piece and the abutting portion.

3. The leak test quick connect tool of claim 1, wherein, At least one plain bearing is arranged between the limiting piece and the positioning bolt, and the plain bearing is sleeved on the leak detection tube.

4. The leak test quick connect tool of claim 1, wherein, At least one plain bearing is arranged between the screw nut and the clamping joint.

5. The leak test quick connect tool of claim 1, wherein, A lock nut is detachably arranged on the outer side of the positioning bolt, and the lock nut is located below the screw nut.

6. The leak test quick connect tool of claim 1, wherein, The limiting piece is a clamp.

7. The leak test quick connect tool of claim 6, wherein, The clamp comprises a first semicircular clasp and a second semicircular clasp, and the first semicircular clasp and the second semicircular clasp are detachably connected.

8. The leak test quick connect tool of claim 7, wherein, First and second limiting half-rings are respectively arranged on the first semicircular clasp and the second semicircular clasp, and the first and second limiting half-rings constitute a limiting ring.

9. The leak test quick connect tool of claim 1, wherein, The elastic sealing ring is an O-shaped ring.