Quick connector for pipe detection equipment
By designing quick couplings for pipe testing equipment, and utilizing the cooperation of clamping and locking parts, the problem of cracks that are difficult to detect during repeated bending of pipes is solved. This achieves a quick and reliable connection and seal between the pipe and the testing equipment, improving testing efficiency and safety.
Patent Information
- Application Number
- CN202520865343.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-06
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-05-06
AI Technical Summary
Existing pipes may develop small cracks during repeated bending, which are difficult to detect effectively before leaving the factory, leading to damage during use.
Design a quick connector including a connecting pipe, a locking element, and a washer. Through the cooperation of the clamping part and the locking element, the pipe can be quickly connected and sealed to the testing equipment. The radial deformation of the clamping part and the threaded engagement of the locking element ensure the fixation and sealing of the pipe.
It enables a rapid and reliable connection between pipes and testing equipment, allowing potential cracks to be detected during the testing process, improving testing efficiency and ensuring the safety of pipe use.
Smart Images

Figure CN223909034U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to detection equipment field, especially a quick coupling for pipe detection equipment. BACKGROUND
[0002] The pipe is a heat exchange pipe, including an evaporating pipe and a condensing pipe, and the heat exchange pipe is generally made of copper, and needs to be bent for many times during subsequent use, and the bending is relatively large, although the copper is relatively soft, but small cracks may exist in the process of bending for many times, which cannot be found in the initial situation, and the cracks may be torn or enlarged during actual use or long-time high-pressure use, resulting in damage. Therefore, if detection is carried out before leaving the factory, it is convenient to improve and limit the bending standard. In order to improve the detection efficiency, a quick coupling for pipe detection equipment is urgently needed to realize the quick connection of the pipe and the detection equipment. UTILITY MODEL CONTENTS
[0003] In view of the defects of the prior art, the main purpose of the utility model is to overcome the defects of the prior art, and a quick coupling for pipe detection equipment is disclosed, which comprises a connecting pipe, a first locking part, a second locking part, a gasket and a connecting part,
[0004] The connecting pipe is provided with clamping portions around the circumference of one end, and gaps are provided between adjacent clamping portions.
[0005] The first locking part is in a tubular structure, the inner wall of the first locking part is provided with a first connecting part and a guide part, the first locking part is sleeved on one end of the connecting pipe provided with the clamping portion, the first connecting part is threadedly connected with the connecting pipe, and the guide part is used for guiding the radial inward deformation of the clamping portion.
[0006] The second locking part is arranged at the other end of the connecting pipe, and the second locking part is threadedly connected with the connecting pipe.
[0007] The connecting part comprises a supporting plate, and the supporting plate is provided with clamping parts and second connecting parts on both sides, and the gasket is fixed on the clamping parts.
[0008] The connecting part is arranged in the second locking part, and the second connecting part protrudes from the second locking part.
[0009] Further, the inner wall of the clamping portion is provided with a plurality of stripes.
[0010] Further, the clamping portion is provided with at least three blocks.
[0011] Further, the first connecting part of the first locking member is provided with an inner thread, and the outer wall of the connecting pipe is provided with an outer thread.
[0012] Further, the outer wall of the connecting pipe is provided with a third connecting part.
[0013] Further, the third connecting part is polygonal in cross section.
[0014] Further, a clamping groove is arranged between the clamping part and the supporting plate, and the gasket is clamped in the clamping groove.
[0015] Further, the upper surface of the clamping part is provided with a chamfer.
[0016] Further, the first locking member and the second locking member are provided with a fourth connecting part.
[0017] Further, the fourth connecting part is polygonal in cross section.
[0018] The utility model discloses the beneficial effects achieved:
[0019] The utility model discloses the locking member is set respectively in the both ends of connecting pipe, and the first locking member realizes the fixing of connecting pipe and pipe material in any position, and the sealing of pipe material is realized through the gasket extrusion of the second locking member, to realize the quick connection of pipe material. The first locking member cooperates with the clamping part, and the size range of the pipe material is large. The chamfer is set on the clamping part, and the gasket replacement and fixation are convenient. DRAWINGS
[0020] Figure 1 It is the perspective structure schematic diagram of a kind of quick coupling for pipe material detection equipment of the utility model;
[0021] Figure 2 It is Figure 1 the top view;
[0022] Figure 3 It is Figure 2 A-A sectional view in
[0023] Figure 4 It is Figure 1 the explosion diagram of
[0024] Figure 5 It is the perspective structure schematic diagram of connecting member;
[0025] The following are the reference signs:
[0026] 1, connecting pipe, 2, first locking piece, 3, second locking piece, 4, gasket, 5, connecting piece, 6, fourth connecting piece, 11, clamping part, 12, stripe, 13, third connecting part, 21, first connecting part, 22, guide part, 51, support plate, 52, clamping part, 53, second connecting part, 521, chamfer. DETAILED DESCRIPTION
[0027] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the utility model will be further described in detail below with the help of drawings and examples. It should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.
[0028] A quick connector for pipe detection equipment, as shown in Figures 1-5 The utility model discloses a connecting pipe, first locking piece, second locking piece, gasket and connecting piece,
[0029] One end of the connecting pipe 1 is provided with a clamping part 11 around its circumference, and a gap is provided between adjacent clamping parts; so that the clamping part 11 can deform radially inward, so that the inner wall of the clamping part 11 clamps on the outer wall of the pipe.
[0030] The first locking piece 2 is in tubular structure, the inner wall of the first locking piece 2 is provided with a first connecting part 21 and a guide part 22, the first locking piece 2 is sleeved on one end of the connecting pipe 1 provided with the clamping part 11, the first connecting part 21 is threadedly connected with the connecting pipe 1, and the guide part 22 is used to guide the clamping part 11 to deform radially inward; wherein the diameter of the guide part 22 gradually decreases from one end to the other end, when the first locking piece 2 is rotated, the rotary motion is converted into the axial motion of the first locking piece 2, the clamping part 11 is guided to deform radially inward through the guide part 22, so that the clamping part 11 is pressed on the outer wall of the pipe, so as to realize the fixation of the connecting pipe 1 and the pipe.
[0031] The second locking piece 3 is provided on the other end of the connecting pipe 1, and the second locking piece 3 is threadedly connected with the connecting pipe 1; the axial movement of the second locking piece 3 is realized by rotating the second locking piece 3.
[0032] The connecting piece 5 includes a support plate 51, the two sides of the support plate 51 are provided with clamping parts 52 and second connecting parts 53, and the gasket 4 is fixed on the clamping parts 52.
[0033] The connecting piece 5 is arranged in the second locking piece 3, one end of the second locking piece 3 is provided with a through hole, and the second connecting part 53 protrudes from the second locking piece 3 through the through hole. The second connecting part 53 is connected with the detection equipment through the trachea. In a specific example, the air pressure inside the pipe is monitored by the detection equipment, and if the pipe cracks during the bending process, the detection equipment detects the change of air pressure.
[0034] In an embodiment, asFigures 1-5 As shown, the inner wall of the clamping part 11 is provided with several stripes 12. The stripes increase the friction between the clamping part 11 and the pipe, thereby ensuring the reliability of the connection between the connecting pipe 1 and the pipe.
[0035] In one embodiment, such as Figures 1-5 As shown, at least three clamping parts 11 are provided. Preferably, four or five clamping parts 11 are provided.
[0036] In one embodiment, such as Figures 1-5 As shown, the first connecting part 21 of the first locking member 2 is provided with an internal thread (not shown), and the outer wall of the connecting pipe 1 is provided with an external thread (not shown).
[0037] In one embodiment, such as Figures 1-5 As shown, the inner wall of the second locking member 3 is provided with an internal thread (not shown), and the outer wall of the connecting pipe 1 is provided with an external thread (not shown).
[0038] In one embodiment, such as Figures 1-5 As shown, a third connecting part 13 is provided on the outer wall of the connecting pipe 1, and the third connecting part 13 is connected to the tool. Specifically, the cross-section of the third connecting part 13 is polygonal; for example, triangular, quadrilateral, pentagonal, or hexagonal. The tool is a wrench, a scissor, etc., which is connected to the third connecting part 13 to facilitate fixing the connecting pipe 1 with the tool, thereby rotating the first locking member 2 and the second locking member 3. Of course, the third connecting part can also be a handle, which can be directly gripped to fix the connecting pipe 1.
[0039] In one embodiment, such as Figures 1-5 As shown, a slot is provided between the snap-fit part 52 and the support plate 51, and the washer 4 is snapped into the slot. This secures the washer 4 and allows it to be replaced as needed.
[0040] In one embodiment, such as Figures 1-5 As shown, the upper surface of the snap-fit portion 52 is provided with a chamfer 521. The chamfer 521 facilitates the expansion of the inner hole of the washer so that it can be snapped into the slot.
[0041] In one embodiment, such as Figures 1-5 As shown, gasket 4 is a rubber product used to seal the pipe.
[0042] In one embodiment, such as Figures 1-5 As shown, a fourth connecting portion 6 is provided on the first locking member 2 and the second locking member 3. Preferably, the cross-section of the fourth connecting portion 6 is polygonal; for example, triangular, quadrilateral, pentagonal, or hexagonal. This facilitates tightening of the first locking member 3 and the second locking member 4 by means of a wrench or other tools.
[0043] When using this utility model, such as As shown, one end of the pipe is inserted into the connecting pipe 1 and the bottom of the connecting pipe 1, so that the end of the pipe contacts the gasket 4. The first locking member 2 is rotated so that the first locking member 2 moves axially to the second locking member 3, the guide portion 22 cooperates with the clamping portion 11 to drive the clamping portion 11 to deform radially inwardly, so that the inner wall of the clamping portion 11 tightly abuts the outer surface of the pipe, thereby realizing the fixation of the connecting pipe 1 and the pipe. Then the second locking member 3 is rotated so that the second locking member 3 moves to the first locking member 2, the support plate 51 is pushed to move to the pipe by the second locking member 3, and the gasket 4 is arranged between the support plate 51 and the end face of the pipe, thereby realizing the sealing of the pipe and the connecting member 5. When connected with the detection equipment, both ends of the pipe are connected to the detection equipment through the quick connector, so as to realize the sealed connection of the pipe and the detection equipment through the quick connector.
[0044] The above is only a preferred embodiment of the present application, and is not intended to limit the scope of the present application; if the present application is modified or replaced without departing from the spirit and scope of the present application, it should be covered in the protection scope of the present application.
Claims
1. A quick connector for pipe testing equipment, characterized in that, Includes a connecting pipe, a first locking element, a second locking element, a washer, and a connector. One end of the connecting pipe is provided with a clamping part around its circumference, and a gap is provided between adjacent clamping parts; The first locking member has a tubular structure. The inner wall of the first locking member is provided with a first connecting part and a guide part. The first locking member is sleeved on the end of the connecting tube where the clamping part is provided. The first connecting part is threaded with the connecting tube, and the guide part guides the clamping part to deform radially inward. The second locking member is disposed at the other end of the connecting pipe, and the second locking member is threadedly engaged with the connecting pipe; The connector includes a support plate, on both sides of which are protruding snap-fit portions and second connecting portions, and the washer is fixed on the snap-fit portion; The connector is disposed within the second locking member, and the second connecting portion protrudes from the second locking member.
2. A quick connector for pipe testing equipment according to claim 1, characterized in that, The inner wall of the clamping part is provided with several stripes.
3. A quick connector for pipe testing equipment according to claim 1, characterized in that, The clamping part is provided with at least three pieces.
4. A quick connector for pipe testing equipment according to claim 1, characterized in that, The first connecting portion of the first locking member is provided with an internal thread, and the outer wall of the connecting pipe is provided with an external thread.
5. A quick connector for pipe testing equipment according to claim 1, characterized in that, A third connecting part is provided on the outer wall of the connecting pipe.
6. A quick connector for pipe testing equipment according to claim 5, characterized in that, The cross-section of the third connecting part is polygonal.
7. A quick connector for pipe testing equipment according to claim 1, characterized in that, A slot is provided between the snap-fit part and the support plate, and the washer snaps into the slot.
8. A quick connector for pipe testing equipment according to claim 1, characterized in that, The upper surface of the snap-fit part is chamfered.
9. A quick coupling for pipe testing equipment according to claim 1, characterized in that, A fourth connecting part is provided on the first locking member and the second locking member.
10. A quick coupling for pipe testing equipment according to claim 9, characterized in that, The cross-section of the fourth connecting part is polygonal.