Self-locking connecting structure for trenchless PE winding pipe
By employing telescopic and limiting components in trenchless PE spiral pipes, and utilizing the combination of memory springs and limiting blocks, the problem of poor self-locking stability in existing technologies is solved, achieving both stability and convenience in pipe connection.
Patent Information
- Application Number
- CN202422160308.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-03
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-09-03
AI Technical Summary
The existing self-locking devices for trenchless PE spiral wound pipes have poor stability during use, are prone to slipping, and are inconvenient to connect.
The design employs telescopic and limiting components, utilizing the cooperation of memory springs and limiting blocks, and guided by sliders and slide rails to achieve self-locking connection of the tube body, ensuring that the tube body remains stable during relative movement.
It achieves self-locking stability and convenience after the tubes are connected, ensuring that the tubes are not easy to slip during relative movement, and the operation is simple and efficient.
Smart Images
Figure CN223579236U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to non -excavation PE winding pipe technical field, specifically, relate to a kind of self-locking connection structure for non -excavation PE winding pipe. BACKGROUND
[0002] Non -excavation PE winding pipe is mainly used for municipal water conservancy, real estate urban construction, industrial plant and power pipeline and long distance water supply and drainage engineering, and it mainly uses polyethylene resin as main raw material;Non -excavation PE winding pipe is usually connected using pipe jacking between;In order to facilitate quick connection and realize self-locking in prior art, a plurality of marbles are usually arranged on the pipe body, and the self-locking connection between the pipe bodies is realized by the extension and contraction of the marbles.
[0003] However, although the marbles can be used directly to utilize their extension and contraction function, the marbles are deformed, damaged and misaligned during use due to the relative movement between the pipe bodies, thereby causing poor self-locking stability and easy sliding between the pipe bodies.
[0004] Based on the above description, there is an urgent need for a self-locking structure for non-excavation PE winding pipe that can quickly connect the pipe body and stably self-lock. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a self-locking connection structure for non-excavation PE winding pipe, which aims to solve the technical problems of poor stability after self-locking and inconvenient self-locking of existing self-locking devices.
[0006] The embodiments of the utility model realize the following technical solutions:
[0007] A self-locking connection structure for non-excavation PE winding pipe, comprising a first pipe body and a second pipe body, further comprising an extension and contraction assembly;The first pipe body is inserted into the second pipe body and has a first groove body recessed therein;The extension and contraction assembly is arranged in the first groove body and extends to the inner wall of the second pipe body to connect a limiting assembly.
[0008] As a preferred embodiment, the limiting assembly comprises a plurality of limiting blocks;The extension and contraction assembly comprises a plurality of memory springs;The memory springs are arranged in the first groove body;The memory springs extend to the second pipe body and are connected to the limiting blocks;The plurality of sliding blocks are arranged on both sides of the limiting blocks;The first groove body has a pair of groove side walls, and the sliding blocks are embedded in the sliding rails.
[0009] As a preferred embodiment, the inner wall of the second pipe body has a second groove body recessed therein for embedding the limiting blocks.
[0010] Preferably, the limiting block includes a first end and a second end; the first end is close to the opening of the second tube; the second end is close to the opening of the first tube; the top of the limiting block is sloped from the first end to the second end.
[0011] Preferably, the top end of the first end is embedded in the second groove; the bottom end of the first end is embedded in the first groove; and the second end is embedded in the first groove.
[0012] Preferably, the second groove is provided with an anti-slip layer.
[0013] Preferably, the anti-slip layer is attached to the side of the limiting block away from the telescopic component.
[0014] Preferably, the second tube body has a receiving platform at one end near the opening; the first tube body passes through the second tube body and abuts against the receiving platform.
[0015] The technical solution of this utility model embodiment has at least the following advantages and beneficial effects:
[0016] During the sliding process of the second tube body towards the first tube body, the telescopic component is gradually compressed. When the second tube body slides to the appropriate position, the compressed telescopic component applies a thrust to the limiting component, and the second tube body receives the top pressure from the limiting component, thereby achieving self-locking after the first and second tube bodies are connected. The operation is simple, and the self-locking is convenient and efficient. Attached Figure Description
[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.
[0018] Figure 1 This is a schematic diagram of the exploded structure of this utility model;
[0019] Figure 2 This is a schematic diagram of the structure of this utility model;
[0020] Figure 3 for Figure 2 Enlarged schematic diagram of local structure A in the middle;
[0021] Figure 4 for Figure 3 A three-dimensional structural diagram of the middle limiting component.
[0022] Icon: 1 - first pipe body, 11 - first groove body, 2 - second pipe body, 21 - second groove body, 22 - receiving table, 3 - telescopic assembly, 4 - limiting assembly, 41 - limiting block, 42 - sliding block, 5 - anti-skid layer, 6 - sealing ring. DETAILED DESCRIPTION
[0023] Example 1
[0024] Please refer to Figures 1 to 4 , the utility model provides the following technical scheme: a self-locking connection structure for trenchless PE winding pipe, applicable to the situation of trenchless PE winding pipe connection.
[0025] Specifically, as Figure 1 and Figure 2 indicated, a self-locking connection structure for trenchless PE winding pipe, comprising a first pipe body 1 and a second pipe body 2, characterized by: further comprising a telescopic assembly 3; the first pipe body 1 is inserted into the second pipe body 2 and recessed with a first groove body 11; the telescopic assembly 3 is arranged in the first groove body 11 and extends to the inner side wall of the second pipe body 2 and connects a limiting assembly 4.
[0026] In the utility model, the first pipe body 1 and the second pipe body 2 are respectively a trenchless PE winding pipe and a receiving pipe, in the process of sliding of the second pipe body 2 to the first pipe body 1, the telescopic assembly 3 is gradually compressed, when the second pipe body 2 slides to the appropriate position, the telescopic assembly 3 after being compressed exerts a thrust force on the limiting assembly 4, and then the second pipe body 2 is pressed by the limiting assembly 4, thereby realizing self-locking after the first pipe body 1 and the second pipe body 2 are connected.
[0027] Specifically, as Figures 2 to 4 indicated, the limiting assembly 4 comprises a plurality of limiting blocks 41; the telescopic assembly 3 comprises a plurality of memory springs; the memory springs are arranged in the first groove body 11; the plurality of memory springs extend to the second pipe body 2 and are connected with the limiting blocks 41.
[0028] In the embodiment, in the process of sliding of the second pipe body 2 to the outside of the first pipe body 1, the limiting blocks 41 are pressed, and then the memory springs are compressed, after the second pipe body 2 slides, the limiting blocks 41 and the memory springs press and fix the inner wall of the first pipe body 1, realizing self-locking.
[0029] Specifically, as Figure 3 indicated, a plurality of sliding blocks 42 are oppositely arranged at both sides of the limiting blocks 41; a pair of groove side walls of the first groove body 11 are each provided with a sliding rail for embedding the sliding block 42.
[0030] In the embodiment, the sliding block 42 can adopt a hemispherical structure, the arc surface of which is embedded in the sliding cavity of the sliding rail, by adopting the sliding block 42, the directional sliding of the limiting block 41 can be ensured, misalignment is avoided, and then the inner wall of the second pipe body 2 can be fully pressed and fixed.
[0031] Specifically, as shown in Figures 2 to 4 The inner wall of the second pipe body 2 is concavely provided with a second groove 21 for embedding the limiting block 41. The limiting block 41 comprises a first end and a second end; the first end is close to the pipe opening of the second pipe body 2; the second end is close to the opening of the first pipe body 1; the top of the limiting block 41 is inclined from the first end to the second end and is provided with a slope surface from high to low. The top end of the first end is embedded in the second groove 21; the bottom end of the first end is embedded in the first groove 11; the second end is embedded in the first groove 11.
[0032] In the embodiment, the second pipe body 2 is provided with the second groove 21, and in the process of sliding the outer wall of the first pipe body 1, the opening end of the second pipe body 2 first presses the limiting assembly 4 until the top end of the limiting block 41 slides into the second groove 21, wherein the sliding block 42 can ensure that the top of the limiting block 41 is accurately embedded in the second groove 21, and the limiting block 41 plays a role in pressing the connecting opening of the first pipe body 1 and the second pipe body 2; further, the limiting block 41 can be provided as a structure with one end being lower in height than the other end, wherein, as shown in Figure 3 The lower end of the limiting block 41 is not embedded in the second groove 21, and the top of the higher end of the limiting block 42 is partially embedded in the second groove 21, thereby ensuring that the pipe bodies are still stable after being connected.
[0033] In the embodiment, the second groove 21 is provided with an anti-skid layer, which is attached to the side of the limiting block 41 away from the telescopic assembly 3; the stability of the self-locking limiting position is increased.
[0034] Specifically, as shown in Figures 2 to 4 The end of the second pipe body 2 close to the pipe opening is provided with a receiving table 22; the first pipe body 1 is inserted into the second pipe body 2 and abuts against the receiving table 22.
[0035] In the embodiment, the receiving table 22 is used to avoid the first pipe body 1 from being further misaligned after being inserted into the second pipe body 2, thereby ensuring the stability after self-locking; further, a limiting groove can be provided to set a sealing ring to further seal the connected pipe bodies after self-locking.
[0036] The above is only a preferred embodiment of the present application and is not used to limit the present application. For those skilled in the art, the present application can be variously changed and modified. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A self-locking connection structure for trenchless PE wound pipes, comprising a first pipe body (1) and a second pipe body (2), characterized in that: Also include a telescopic assembly (3); the first pipe body (1) is inserted into the second pipe body (2) and is concave with a first groove (11); the telescopic assembly (3) is arranged in the first groove (11) and extends to the inner wall of the second pipe body (2) and is connected with a limiting assembly (4).
2. The self-locking joint structure for trenchless PE wound pipe according to claim 1, characterized in that: The limiting assembly (4) includes a plurality of limiting blocks (41) and a plurality of sliding blocks (42); the telescopic assembly (3) includes a plurality of memory springs; the memory springs are arranged in the first groove (11); the memory springs extend to the second pipe body (2) and are connected with the limiting blocks (41); the sliding blocks (42) are oppositely arranged at both sides of the limiting blocks (41); a pair of groove side walls of the first groove (11) are provided with sliding rails for embedding the sliding blocks (42).
3. The self-locking joint structure for trenchless PE wound pipe according to claim 2, characterized in that: The inner wall of the second pipe body (2) is concave with a second groove (21) for embedding the limiting blocks (41).
4. The self-locking joint structure for trenchless PE wound pipe according to claim 3, characterized in that: The limiting block (41) includes a first end and a second end; the first end is close to the pipe opening of the second pipe body (2); the second end is close to the opening of the first pipe body (1); the top of the limiting block (41) is inclined from the first end to the second end and is provided with a slope surface.
5. The self-locking connection structure for trenchless PE wound pipes according to claim 4, characterized in that: The top end of the first end is embedded in the second groove (21); the bottom end of the first end is embedded in the first groove (11); the second end is embedded in the first groove (11).
6. The self-locking joint structure for trenchless PE wound pipe according to claim 4, characterized in that: The second groove (21) is provided with an anti-skid layer.
7. The self-locking connection structure for trenchless PE wound pipes according to claim 6, characterized in that: The anti-skid layer is attached to the side of the limiting block (41) away from the telescopic assembly (3).
8. The self-locking joint structure for trenchless PE wound pipe according to claim 4, characterized in that: The second pipe body (2) is provided with a receiving table (22) at one end close to the pipe opening; the first pipe body (1) is inserted into the second pipe body (2) and abuts against the receiving table (22).