Novel inclined plane sealing helium detection clamp

By designing a novel inclined-face sealed helium testing fixture, the accurate airtightness testing of pipe fittings in cold plate heat exchangers is achieved by utilizing clamps and negative pressure from an inner top spring, thus solving the problems of inaccurate testing and high cost in existing technologies.

CN223565185UActive Publication Date: 2025-11-18宜宾纵贯线科技股份有限公司
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Patent Information

Application Number
CN202422851155.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-22
Publication Date
2025-11-18
Estimated Expiration
2034-11-22

AI Technical Summary

Technical Problem

The existing methods for testing the airtightness of pipe fittings in cold plate heat exchangers have accuracy issues and are costly.

Method used

A novel inclined-surface sealing helium testing fixture is designed, comprising a sealing tank, clamps, limit bolts, an inner top spring, and an O-ring. The water nozzle is positioned by the clamps, and the seal is achieved by the negative pressure of the inner top spring, thus enabling airtightness testing.

Benefits of technology

It improves the accuracy of testing, avoids damage to products, and reduces testing costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a novel inclined plane sealing helium detection clamp which comprises a sealing tank body, clamps connected with the sealing tank body are symmetrically arranged on two sides of the sealing tank body, a shell connected with the sealing tank body is arranged at the lower end of the sealing tank body, and a product water nozzle is clamped at the lower end of the shell. The beneficial effects of the utility model are that the clamp is manually pressed to open the bayonet, a water nozzle of a product is plugged through internal positioning, the clamp is gently pressed down and loosened, the water nozzle is clamped, because of the negative pressure of the internal top spring, and the O-ring of the outer sealing ring covers the water nozzle, positioning and air tightness testing are realized, the clamp prevents the product from being damaged during detection, and the accuracy of detection is ensured at the same time.
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Description

TECHNICAL FIELD

[0001] The utility model relates to cold plate heat exchanger pipeline piece joint airtightness detection technical field, concretely to a new type of inclined plane seal helium detection clamp. BACKGROUND

[0002] In prior art, cold plate heat exchanger, pipeline piece joint all need airtightness test, and the existing test mode is basically through manual installation of plugging head at bamboo joint type water nozzle to carry out airtightness detection, but because bamboo joint type water nozzle is too thin, often leads to inaccurate test result, and cost is relatively high, increases the cost of enterprise. UTILITY MODEL CONTENTS

[0003] The utility model discloses a new type of inclined plane seal helium detection clamp to solve the problems in the above background.

[0004] To achieve the above object, the utility model provides the following technical scheme: a new type of inclined plane seal helium detection clamp, including sealed tank body, both sides of the sealed tank body are symmetrical with the clamping force connected, the lower end of the sealed tank body is equipped with the shell connected with it, and the product water nozzle is clamped at the lower end of the shell.

[0005] Further optimization, the middle part of the sealed tank body inner chamber is equipped with the limit bolt.

[0006] Further optimization, the lower part of the limit bolt outside is equipped with the core body assembly.

[0007] Further optimization, the limit bolt outside is equipped with a plurality of inner top springs.

[0008] Further optimization, the core body assembly outside is equipped with at least two tank body airtightness O type sealing rings.

[0009] Further optimization, the lower end of the two tank body airtightness O type sealing rings is also equipped with end face sealing cover and outer sealing O type ring.

[0010] Further optimization, the limit bolt is equipped with the internal positioning block connected with the product water nozzle one end.

[0011] Further optimization, the clamping force is connected through the spring with the sealed tank body outside.

[0012] Further optimization, the lower end of two clamping forces is equipped with the clamping force positioning pin movably connected with the shell.

[0013] Beneficial effects

[0014] The novel bevel sealing helium detection clamp provided by the utility model can avoid damage to the product during detection, and ensures the accuracy of detection. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is an overall structure schematic view of the utility model;

[0016] Fig. 2 It is an overall structure sectional view schematic view of the utility model. DETAILED DESCRIPTION

[0017] The following is a specific embodiment of the utility model and in combination with the drawings, the technical scheme of the utility model is further described, but the utility model is not limited to these embodiments.

[0018] EMBODIMENT

[0019] As Figs. 1-2 shown, a novel bevel sealing helium detection clamp, comprising a sealing tank body 1, the sealing tank body 1 both sides symmetry is equipped with the clamp 2 connected with it, the sealing tank body 2 lower end is equipped with the shell 4 connected with it, the shell 4 lower end clamps the product water nozzle 5.

[0020] In the embodiment, the sealing tank body 1 inner chamber middle part is equipped with the limiting bolt 7, and the limiting bolt 7 avoids that product is too much to enter to the inside of tank body, and influences the accuracy of air-tightness detection.

[0021] The limiting bolt 7 lower part outside is equipped with the core body assembly 9.

[0022] The limiting bolt 7 outside is equipped with multiple inner top springs 8.

[0023] The core body assembly 9 outside symmetry is equipped with at least two tank body air-tightness O-shaped sealing rings 10.

[0024] The lower end of the two tank body air-tightness O-shaped sealing rings 10 is further equipped with end face sealing cover 13 and outer sealing O-shaped ring 11.

[0025] The limiting bolt 7 end close to product water nozzle 5 is equipped with the internal positioning block 12 connected with it.

[0026] The clamp 2 and the sealing tank body 1 outside are connected through spring 3.

[0027] The lower end of the two clamps 2 is respectively equipped with the clamp positioning pin 6 movably connected with the shell 4.

[0028] The clamp is opened by artificial pressing, the product water nozzle is inserted through the inner positioning plug, is pressed down gently, the clamp is released, the water nozzle is clamped, the outer sealing ring O ring covers the water nozzle to realize positioning due to the negative pressure of the inner top spring, and the product is subjected to air tightness test.

[0029] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the scope of the present application.

Claims

1. A novel inclined-surface sealed helium detector fixture, characterized in that: It includes a sealed tank (1), with clamps (2) symmetrically connected to both sides of the sealed tank (1), and a shell (4) connected to the lower end of the sealed tank (1), with a product water nozzle (5) clamped at the lower end of the shell (4).

2. The novel inclined-surface sealed helium detector fixture according to claim 1, characterized in that: The sealed tank (1) has a limiting bolt (7) in the middle of its inner cavity.

3. The novel inclined-surface sealed helium detector fixture according to claim 2, characterized in that: The lower outer side of the limiting bolt (7) is provided with a core assembly (9).

4. The novel inclined-surface sealed helium detector fixture according to claim 2, characterized in that: Multiple inner top springs (8) are provided on the outside of the limiting bolt (7).

5. The novel inclined-surface sealed helium detector fixture according to claim 3, characterized in that: The core assembly (9) is symmetrically provided with at least two tank airtight O-rings (10) on its outer side.

6. The novel inclined-surface sealed helium detector fixture according to claim 5, characterized in that: The lower ends of the two gas-tight O-rings (10) of the tank body are also provided with end face sealing caps (13) and outer sealing O-rings (11).

7. The novel inclined-surface sealed helium detector fixture according to claim 2, characterized in that: The limiting bolt (7) has an internal positioning block (12) connected to one end near the product water nozzle (5).

8. The novel inclined-surface sealed helium detector fixture according to claim 1, characterized in that: The clamp (2) is connected to the outside of the sealed container (1) by a spring (3).

9. The novel inclined-surface sealed helium detector fixture according to claim 1, characterized in that: The lower ends of the two clamps (2) are respectively provided with clamp positioning pins (6) that are movably connected to the outer shell (4).