Prefabricated buckling and pressing connector for composite pipe

By combining the design of limiting rods, moving rods and elastic components, the problem of difficult disassembly of composite pipe joints after long-term use is solved, enabling rapid disassembly and maintenance.

CN223708879UActive Publication Date: 2025-12-23JILIN YUTONG SPECIAL PIPE IND CO LTD
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Patent Information

Application Number
CN202520508049.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-21
Publication Date
2025-12-23
Estimated Expiration
2035-03-21

AI Technical Summary

Technical Problem

After prolonged use, existing composite pipe fittings are prone to stripping of the threads on the fixing rod and fixing ring, making disassembly and maintenance difficult.

Method used

The design incorporates a limit rod, a moving rod, an elastic component, and a pull block. By pulling the pull block and the elastic component, the limit block can be separated from the limit groove, enabling quick disassembly of the connector.

Benefits of technology

It enables rapid disassembly of composite pipe joints, simplifies the maintenance process, and improves disassembly efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223708879U_ABST
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Abstract

The utility model discloses a composite pipe prefabrication buckling connector which comprises a composite pipe body, a first buckling head is in lap joint with the rear side of the composite pipe body, a limiting rod is fixedly installed on the front side of the first buckling head, a limiting groove is formed in the limiting rod, and a second buckling head is in lap joint with the front side of the composite pipe body. A through groove is formed in the second buckling head, a fixing plate is fixedly installed on the front side of the second buckling head, a moving rod is slidably connected into the fixing plate, a first elastic assembly is arranged on the surface of the moving rod, a limiting block is fixedly installed at one end of the moving rod, and a pull block is fixedly installed at the other end of the moving rod; an inserting groove is formed in the surface of the pull block, a second elastic assembly is arranged on the front side of the second buckling head, and an inserting rod is arranged on the front side of the second buckling head through the second elastic assembly. Due to the pull type separation design, operation is simple and direct, disassembly of the connector can be rapidly completed, and therefore overhaul can be completed more rapidly.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of buckling joint, especially to a prefabricated buckling joint for composite pipe. BACKGROUND

[0002] The composite pipe interface has various forms, wherein the buckling joint is a common interface form, the clamp type flexible pipe joint has the advantages of quick installation, simplicity, safety, reliability, economy, welding-free, pollution-free and the like, can absorb the vibration propagation and thermal expansion and cold contraction caused by the pipeline, is convenient for pipeline maintenance, has no installation site limitation, is easy to control the cost and the like.

[0003] In the Chinese patent application announcement No. CN216590395U, a composite pipe equal-diameter groove buckling joint is disclosed, which comprises a buckling head and a sealing ring inserted on one side of a composite pipe, one side of the composite pipe is fixedly connected with an adjusting pipe for adjusting the angle, one side of the adjusting pipe is fixedly connected with a non-deformation pipe for installation, the outer surface of the non-deformation pipe is provided with a fixing groove for installation, the inner side wall of the non-deformation pipe is inserted with a sealing ring for sealing, and the outer surface of the non-deformation pipe is sleeved with a pipe clamp for fixing. Although the above-mentioned buckling head can connect the composite pipe, during use, the fixed rod and the fixed ring need to be fixed by threaded installation, and after long-term use, the fixed rod and the fixed ring are prone to galling, so that the fixed rod and the fixed ring are difficult to disassemble, thereby being inconvenient for subsequent disassembly and maintenance. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of the prior art, the utility model provides a prefabricated buckling joint for composite pipe to solve the problems in the background art.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A prefabricated buckling joint for composite pipe comprises a composite pipe body, a first buckling head is overlapped on the rear side of the composite pipe body, a limiting rod is fixedly installed on the front side of the first buckling head, a limiting groove is formed in the limiting rod, a second buckling head is overlapped on the front side of the composite pipe body, a through groove is formed in the second buckling head, a fixed plate is fixedly installed on the front side of the second buckling head, a moving rod is slidably connected in the fixed plate, a first elastic component is arranged on the surface of the moving rod, a limiting block is fixedly installed on one end of the moving rod, a pull block is fixedly installed on the other end of the moving rod, a slot is formed in the surface of the pull block, a second elastic component is arranged on the front side of the second buckling head, and a plug rod is arranged on the front side of the second buckling head through the second elastic component.

[0007] Preferably, the composite pipe body surface is fixedly provided with a fixing ring, the first buckle head is internally provided with a first fixing groove, the second buckle head is internally provided with a second fixing groove, and the first fixing groove and the second fixing groove are matched with the fixing ring.

[0008] Preferably, the first elastic assembly comprises a first mounting plate arranged on the surface of the moving rod, and the first mounting plate is fixedly provided with a first spring.

[0009] Preferably, the second elastic assembly comprises a cross plate arranged on the front side of the second buckle head, and the cross plate is fixedly provided with a second spring.

[0010] Preferably, the second spring is provided in plurality, and the plurality of second springs are arranged in an array.

[0011] Preferably, the second spring is provided in plurality, and the plurality of second springs are arranged in an array.

[0012] Preferably, the limiting block is in a right-angled triangle structure and is made of stainless steel.

[0013] Compared with the prior art, the utility model has the advantages that when the composite pipe prefabricated buckle connector needs to be overhauled, the second elastic assembly is pulled outwards to separate the insertion rod from the insertion slot, then the pulling block is pulled to the middle, the moving rod and the limiting block are moved to the middle, the first elastic assembly is compressed, the limiting block is separated from the limiting slot, then the first buckle head is pulled out, the second buckle head is pulled out, then the two composite pipe bodies are separated, and the overhauling can be performed. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional view of the utility model;

[0015] Figure 2 It is a split view of the composite pipe body part of the utility model;

[0016] Figure 3 It is a first buckle head part of the utility model;

[0017] Figure 4 It is a split view of the second buckle head part of the utility model;

[0018] Figure 5 It is a three-dimensional view of the utility model Figure 4 It is an enlarged view of the middle A of the utility model.

[0019] In the figure: 1, composite pipe body; 2, fixed ring; 3, first buckling head; 4, first fixed groove; 5, limiting rod; 6, limiting groove; 7, second buckling head; 8, second fixed groove; 9, through groove; 10, fixed plate; 11, moving rod; 12, limiting block; 13, first mounting plate; 14, first spring; 15, pull block; 16, insertion slot; 17, cross plate; 18, insertion rod; 19, second mounting plate; 20, second spring; 21, handle. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] Reference Figures 1-5The utility model provides a kind of for composite pipe prefabricated buckling joint, including composite pipe body 1, first buckling head 3 is overlapped with the back side of composite pipe body 1, limit rod 5 is fixedly installed in first buckling head 3 front side, limit slot 6 is opened in limit rod 5 inside, second buckling head 7 is overlapped with the front side of composite pipe body 1, fixed ring 2 is fixedly installed on the surface of composite pipe body 1, first fixed slot 4 is opened in first buckling head 3 inside, second fixed slot 8 is opened in second buckling head 7 inside, first fixed slot 4 and second fixed slot 8 are all with fixed ring 2 adaptation, when first fixed slot 4 on first buckling head 3 and second fixed slot 8 on second buckling head 7 cover fixed ring 2, it is convenient for the limit of two composite pipe bodies 1, second buckling head 7 is opened in through slot 9 inside, fixed plate 10 is fixedly installed in second buckling head 7 front side, mobile rod 11 is slidably connected in fixed plate 10 inside, first elastic component is arranged on the surface of mobile rod 11, limit block 12 is fixedly installed in one end of mobile rod 11, limit block 12 is in right triangle structure, limit block 12 is made of stainless steel material, first elastic component includes the first mounting plate 13 of being set to the surface of mobile rod 11, first spring 14 is fixedly installed on the surface of first mounting plate 13, and first spring 14 is fixedly connected with fixed plate 10, by the setting of first elastic component, it is convenient for the elastic force of limit block 12, so that limit block 12 can be more stably inserted into limit slot 6, to be convenient for the limit of limit rod 5, pull block 15 is fixedly installed in the other end of mobile rod 11, and the insertion slot 16 is opened in the surface of pull block 15, second elastic component is arranged in second buckling head 7 front side, and second buckling head 7 front side is provided with insertion rod 18 through second elastic component, handle 21 is fixedly installed on the top of insertion rod 18, and insertion rod 18 is rectangular rod structure, second elastic component includes the transverse plate 17 of being set to second buckling head 7 front side, second spring 20 is fixedly installed on the surface of transverse plate 17, the number of second spring 20 is multiple, and multiple second spring 20 is arrayed, by the setting of second spring 20, it is convenient for the higher elasticity of second spring 20 as a whole, second mounting plate 19 is fixedly installed on the surface of second spring 20, and second mounting plate 19 is fixedly connected with insertion rod 18, and insertion rod 18 is slidably connected with transverse plate 17, by the setting of second elastic component, it is convenient for the elastic force of insertion rod 18, so that insertion rod 18 can be more stably inserted into insertion slot 16, it is convenient for the limit of pull block 15, so that limit block 12 is not easy to separate from limit slot 6, to be more stably limit rod 5 is limited, when the utility model provides a kind of for composite pipe prefabricated buckling joint, second elastic component is pulled outwards to make insertion rod 18 separate from insertion slot 16, then pull block 15 is pulled to the middle, so that mobile rod 11, limit block 12 move to the middle, so that first elastic component is compressed, so that limit block 12 separates from limit slot 6, then first buckling head 3 is extracted, then second buckling head 7 is extracted, then two composite pipe bodies 1 are separated, can be overhauled, this pull type separation design is simple and direct to operate,The disassembly of the joint can be quickly completed, so that the maintenance can be quickly completed.

[0022] In use: butt the two composite pipe bodies 1, then cover the second fixed groove 8 on the second buckling head 7 with the fixed ring 2 on the two composite pipe bodies 1, then pull the handle 21 outward, so that the insertion rod 18 and the second mounting plate 19 move, so that the second spring 20 is compressed, so that the insertion rod 18 is separated from the insertion groove 16, then cover the first fixed groove 4 on the first buckling head 3 with the fixed ring 2 on the two composite pipe bodies 1, while making the limiting rod 5 inserted into the through groove 9, the limiting rod 5 will extrude the limiting block 12 during the insertion process, so that the limiting block 12 moves towards the fixed plate 10, so that the moving rod 11 and the first mounting plate 13 move, so that the first spring 14 is compressed, when the first buckling head 3 and the second buckling head 7 are attached, at this time the elastic force generated by the compression of the first spring 14 pushes the first mounting plate 13, the moving rod 11 and the limiting block 12 to move towards the limiting groove 6, so that the limiting block 12 is inserted into the limiting groove 6, then release the handle 21, the elastic force generated by the compression of the second spring 20 pushes the second mounting plate 19 and the insertion rod 18 to move towards the insertion groove 16, so that the insertion rod 18 is inserted into the insertion groove 16, that is, the connection operation is completed, when disassembly and maintenance are required, pull the handle 21 outward, so that the insertion rod 18 and the second mounting plate 19 move, so that the second spring 20 is compressed, so that the insertion rod 18 is separated from the insertion groove 16, then pull the pull block 15 towards the middle, so that the moving rod 11, the first mounting plate 13 and the limiting block 12 move, so that the limiting block 12 is separated from the limiting groove 6, then pull out the first buckling head 3 and the second buckling head 7, then separate the two composite pipe bodies 1, and the maintenance can be performed.

[0023] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0024] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made thereto without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A composite pipe pre-fabricated compression joint comprising a composite pipe body (1), characterized in that, The composite pipe body (1) rear lap has a first buckling head (3), the first buckling head (3) front fixedly installed with a limiting rod (5), the limiting rod (5) inside opening limiting groove (6), the composite pipe body (1) front lap has a second buckling head (7), the second buckling head (7) inside opening has a through slot (9), the second buckling head (7) front fixedly installed with a fixed plate (10), the fixed plate (10) inside sliding connection has a moving rod (11), the moving rod (11) surface is provided with the first elastic component, the moving rod (11) one end fixedly installed with a limiting block (12), the moving rod (11) the other end fixedly installed with a pull block (15), the pull block (15) surface opening has an insertion slot (16), the second buckling head (7) front is provided with the second elastic component, the second buckling head (7) front is provided with an insertion rod (18) through the second elastic component.

2. A preformed compression joint for composite pipe according to claim 1, wherein The fixed ring (2) is fixedly installed on the surface of the composite pipe body (1), the first buckling head (3) is provided with a first fixed groove (4) in the inside, the second buckling head (7) is provided with a second fixed groove (8) in the inside, and the first fixed groove (4) and the second fixed groove (8) are matched with the fixed ring (2).

3. A preformed compression joint for composite pipe according to claim 1, wherein The first elastic component includes a first mounting plate (13) arranged on the surface of the moving rod (11), the first mounting plate (13) is fixedly installed with a first spring (14) on the surface, and the first spring (14) is fixedly connected with the fixed plate (10).

4. A preformed compression joint for use in the fabrication of composite pipe according to claim 1, wherein, The second elastic component includes a cross plate (17) arranged on the front side of the second buckling head (7), the cross plate (17) is fixedly installed with a second spring (20) on the surface, the second spring (20) is fixedly installed with a second mounting plate (19) on the surface, the second mounting plate (19) is fixedly connected with the insertion rod (18), and the insertion rod (18) is slidingly connected with the cross plate (17).

5. A preformed compression joint for use in the fabrication of composite pipe according to claim 1, wherein, The insertion rod (18) is fixedly installed with a handle (21) on the top, and the insertion rod (18) is in a rectangular rod structure.

6. A preformed compression joint for use in the fabrication of composite pipe according to claim 4, wherein, The number of the second spring (20) is multiple, and the multiple second springs (20) are arranged in an array.

7. A preformed compression joint for use in the fabrication of composite pipe according to claim 1, wherein, The limiting block (12) is in a right triangle structure, and the limiting block (12) is made of stainless steel.

Citation Information

Patent Citations

  • Equal-diameter groove buckling and pressing joint for composite pipe

    CN216590395U