Connecting structure of HDPE (High-Density Polyethylene) drain pipe

The threaded connection and adjusting column design solve the problems of complex and loose HDPE drainage pipe connection operations, enabling rapid installation and stable connection, improving construction efficiency and sealing performance, and extending service life.

CN224094053UActive Publication Date: 2026-04-07HANGZHOU XINYU PLASTIC
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-13
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

Existing HDPE drainage pipe connection methods suffer from problems such as complex operation, difficulty in adjustment, and loosening of connections during long-term use, affecting sealing and stability.

Method used

The design employs a threaded connection with an adjusting column, annular plate, and elastic components. It allows for quick assembly through a simple rotating mounting head, and the elastic components and positioning column ensure the stability and sealing of the connection.

Benefits of technology

It enables rapid installation and secure connection of HDPE drainage pipes, improves construction efficiency, enhances sealing performance, reduces maintenance complexity, extends service life, and reduces construction risks.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of HDPE water drainage pipes, in particular to a connecting structure of an HDPE water drainage pipe, which comprises an HDPE water drainage pipe body and an assembling mechanism, the assembling mechanism comprises a fixing head, an installing head and a positioning mechanism, a fixing box is arranged between one end of the fixing head and the HDPE water drainage pipe body, the other end of the fixing head is provided with a threaded groove, and the positioning mechanism is arranged in the threaded groove. The fixing device comprises a fixing box, a fastening ring groove is formed in the fixing box, an elastic component and an annular plate are arranged on the fastening ring groove, and an adjusting mechanism is arranged between the annular plate and the fixing box. Good connection stability can be kept under the condition of water pressure change or external vibration, and the service life of the drainage system is prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to HDPE drainage pipe technical field, specifically connect structure of HDPE drainage pipe. BACKGROUND

[0002] It is known that in the traditional HDPE (high density polyethylene) drainage pipe connecting technology, the common connecting mode includes bonding, hot melt connection and mechanical sleeve connection etc. These methods have advantages and disadvantages: bonding and hot melt connection are good in sealing, but the operation process is complex, the environmental condition is required higher, and it is difficult to adjust once the connection is completed; mechanical sleeve connection is convenient for on-site construction, but may cause the connection place to be loose due to external force or material aging in the long-term use process, thereby affecting the stability and sealing property of the drainage system, so it is necessary to propose a solution for this technical problem. UTILITY MODEL CONTENT

[0003] (I) the technical problem solved

[0004] In view of the deficiency of prior art, the utility model provides a connecting structure of HDPE drainage pipe.

[0005] (II) technical scheme

[0006] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: a connecting structure of HDPE drainage pipe, including HDPE drainage pipe body and assembly mechanism, the assembly mechanism includes fixed head, installation head and positioning mechanism, the installation head is installed at one end of the HDPE drainage pipe body, is equipped with the screw thread layer on the installation head, the fixed head is installed at the other end of the HDPE drainage pipe body, and the fixed head is equipped with the screw groove at one end, the inside of the fixed box is equipped with the fastening ring groove, the fastening ring groove is equipped with elastic part and annular plate, the annular plate is equipped with the adjusting mechanism between the fixed box, the adjusting mechanism includes adjusting hole and aperture, the aperture is set up on the annular plate, the adjusting hole is set up in the fastening ring groove and one end of the fixed box, the adjusting hole is equipped with adjusting column between the aperture, the adjusting column is equipped with connecting plate between the top of the annular plate, the positioning mechanism includes positioning hole and positioning column, the positioning hole is set up at one end of the installation head, the positioning column is installed at the top of the annular plate, and the positioning column extends into the screw groove.

[0007] Further, the utility model improves that the positioning mechanism is equipped with multiple and is arranged in annular array.

[0008] Further, the utility model improves that the adjusting mechanism is equipped with two and is arranged symmetrically.

[0009] Further, the utility model improves, be equipped with the handle on the adjusting column.

[0010] Further, the utility model improves, the elastic part is alloy spring.

[0011] Further, the utility model improves, the elastic part is equipped with multiple and annular array setting.

[0012] Further, the utility model improves, be equipped with sealing ring on the thread groove.

[0013] Further, the utility model improves, be equipped with rubber sleeve on the positioning column.

[0014] (Three) beneficial effects

[0015] Compared with the prior art, the utility model provides a connecting structure of HDPE drainage pipe, has the following beneficial effects:

[0016] The connecting structure of HDPE drainage pipe, through the innovative design of screw thread connection cooperation adjusting column, annular plate and elastic part, realized the quick assembly of HDPE drainage pipe, when installing, only need to align simply and rotate the installation head, then through the operation of adjusting column, completes final fixation, greatly shortens the installation time, improves the construction efficiency, and the annular plate exerts pressure on the positioning column under the action of elastic part, ensures that the positioning column is stably embedded in the positioning hole, this mechanism not only effectively prevents the loosening of installation head, but also enhances the sealing performance of connecting part, can keep good connection stability even under the condition of water pressure change or external vibration, prolongs the service life of drainage system;

[0017] When needing to adjust the position of pipeline or carry out maintenance, the user can re-operate adjusting column through simple steps, makes the positioning column separate from the positioning hole, and the pipeline is convenient to disassemble and reassemble, and this design greatly simplifies the later maintenance work, since the connecting structure is designed reasonably, reduces the complex operation in the installation process and the dependence on professional tools, reduces the construction risk, improves the operation safety. ACCURACY OF DRAWINGS

[0018] Figure 1 It is the structure schematic of the utility model Figure 1 ;

[0019] Figure 2 It is the structure schematic of the utility model Figure 2 ;

[0020] Figure 3 It is the structure front half sectional view of the utility model;

[0021] Figure 4 It is the utility model Figure 1Enlarged top half-section view of the central fixed box.

[0022] In the diagram: 1. HDPE drainage pipe body; 2. Fixing head; 3. Mounting head; 4. Threaded layer; 5. Fixing box; 6. Threaded groove; 7. Elastic component; 8. Ring plate; 9. Adjusting column; 10. Connecting plate; 11. Positioning hole; 12. Positioning column; 13. Handle. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figures 1-4This utility model relates to a connection structure for an HDPE drainage pipe, comprising an HDPE drainage pipe body 1 and an assembly mechanism. The assembly mechanism includes a fixing head 2, an mounting head 3, and a positioning mechanism. The mounting head 3 is installed at one end of the HDPE drainage pipe body 1 and has a threaded layer 4. The fixing head 2 is installed at the other end of the HDPE drainage pipe body 1. A fixing box 5 is provided between one end of the fixing head 2 and the HDPE drainage pipe body 1. A threaded groove 6 is formed at the other end of the fixing head 2. A fastening ring groove is formed inside the fixing box 5. An elastic component 7 and an annular plate 8 are provided on the fastening ring groove. An adjustment mechanism is provided between the annular plate 8 and the fixing box 5. The adjusting mechanism includes an adjusting hole and an opening. The opening is located on the annular plate 8. The adjusting hole is located at one end of the fastening ring groove and the fixed box 5. An adjusting post 9 is provided between the adjusting hole and the opening. A connecting plate 10 is provided between the adjusting post 9 and the top end of the annular plate 8. The positioning mechanism includes a positioning hole 11 and a positioning post 12. The positioning hole 11 is located at one end of the mounting head 3. The positioning post 12 is installed at the top end of the annular plate 8 and extends into the threaded groove 6. In this embodiment, when two HDPE drainage pipe bodies 1 need to be connected and installed together, the mounting head 3 at one end of one HDPE drainage pipe body 1 is aligned and connected to the threaded layer 4. The threaded groove 6 of the fixing head 2 of the other HDPE drainage pipe body 1 is threaded. Simultaneously, pulling the adjusting column 9 causes it to move linearly through the adjusting hole and the opening. The adjusting column 9, through the connecting plate 10, drives the annular plate 8 to move. The annular plate 8 moves downward in the fastening groove, causing the elastic component 7 to deform under the compression of the annular plate 8. The annular plate 8 then drives the positioning column 12 in the positioning mechanism to move, with one end of the positioning column 12 leaving the threaded groove 6. At this point, the adjusting column 9 is released, allowing the elastic component 7 to support the annular plate 8. When the positioning column 12 aligns with the positioning hole 11, it inserts into the positioning hole 11. Under these conditions, the mounting head 3 will not loosen, and personnel cannot rotate it, thus securing the two HDPE drainage pipe bodies 1 firmly. If the positioning post 12 is not inserted into the positioning hole 11, the mounting head 3 will continue to rotate until the positioning post 12 is inserted into the positioning hole 11. This will securely assemble the two HDPE drainage pipe bodies 1 together, enabling quick assembly and fixation. The elastic component 7 supports the annular plate 8, ensuring that the positioning post 12 is firmly fixed in the positioning hole 11 without any loosening. This guarantees a secure assembly of the two HDPE drainage pipe bodies 1. To disassemble the two HDPE drainage pipe bodies 1, pull down the adjusting post 9 to move the positioning post 12 away from the positioning hole 11, then rotate the mounting head 3 until the threaded layer 4 leaves the threaded groove 6, thus separating the two HDPE drainage pipe bodies 1.

[0025] In this solution, the positioning mechanism is provided in multiple circular arrays. By providing two positioning mechanisms in a circular array, the mounting head 3 can be more securely positioned in the threaded groove 6.

[0026] In this solution, there are two symmetrically arranged adjustment mechanisms, which facilitates the pulling of the annular plate 8.

[0027] In this design, the adjusting column 9 is provided with a handle 13, which makes it easy to pull the adjusting column 9 by holding the handle 13.

[0028] In this design, the elastic component 7 is an alloy spring, which has the characteristic of good elasticity and can provide elastic support for the annular plate 8.

[0029] In this solution, multiple elastic components 7 are arranged in a ring array. By providing multiple elastic components 7 arranged in a ring array, the ring plate 8 can be stably and reliably provided with elastic support.

[0030] In this design, a sealing ring is provided on the threaded groove 6, which can improve the sealing performance between the mounting head 3 and the threaded groove 6.

[0031] In this design, the positioning post 12 is provided with a rubber sleeve, which provides damping between the positioning post 12 and the positioning hole 11, allowing the positioning post 12 to be more securely pressed against the positioning hole 11.

[0032] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A connection structure for an HDPE drainage pipe, comprising an HDPE drainage pipe body (1) and an assembly mechanism, characterized in that, The assembly mechanism includes a fixing head (2), an mounting head (3), and a positioning mechanism. The mounting head (3) is installed at one end of the HDPE drainage pipe body (1) and has a threaded layer (4). The fixing head (2) is installed at the other end of the HDPE drainage pipe body (1). A fixing box (5) is provided between one end of the fixing head (2) and the HDPE drainage pipe body (1). A threaded groove (6) is provided at the other end of the fixing head (2). A fastening ring groove is provided inside the fixing box (5). An elastic component (7) and an annular plate (8) are provided on the fastening ring groove. The annular plate (8) and the fixing head (2) are positioned together. An adjustment mechanism is provided between the boxes (5). The adjustment mechanism includes an adjustment hole and an opening. The opening is opened on the annular plate (8). The adjustment hole is opened at one end of the fastening ring groove and the fixed box (5). An adjustment column (9) is provided between the adjustment hole and the opening. A connecting plate (10) is provided between the adjustment column (9) and the top end of the annular plate (8). The positioning mechanism includes a positioning hole (11) and a positioning column (12). The positioning hole (11) is opened at one end of the mounting head (3). The positioning column (12) is installed at the top end of the annular plate (8). The positioning column (12) extends into the threaded groove (6).

2. The connection structure of an HDPE drainage pipe according to claim 1, characterized in that, The positioning mechanism is provided in multiple units arranged in a circular array.

3. The connection structure of an HDPE drainage pipe according to claim 2, characterized in that, The adjustment mechanism has two parts, which are arranged symmetrically.

4. The connection structure of an HDPE drainage pipe according to claim 3, characterized in that, The adjustment column (9) is provided with a handle (13).

5. The connection structure of an HDPE drainage pipe according to claim 4, characterized in that, The elastic component (7) is an alloy spring.

6. The connection structure of an HDPE drainage pipe according to claim 5, characterized in that, The elastic component (7) is provided in multiple and arranged in a ring array.

7. The connection structure of an HDPE drainage pipe according to claim 6, characterized in that, A sealing ring is provided on the threaded groove (6).

8. The connection structure of an HDPE drainage pipe according to claim 7, characterized in that, The positioning post (12) is provided with a rubber sleeve.