Buckling unit, buckling structure and water supply pipe

Abstract

The utility model relates to the field of high-density polyethylene (HDPE) water supply pipelines, in particular to a buckling unit, a buckling structure and a water supply pipe, the buckling structure is formed by a first connecting joint, a second connecting joint, a first connecting clamping groove and a second connecting clamping groove, and the buckling structure ensures that the joints of the pipelines are tightly attached. In the production process, the combination of the anti-skid teeth and the anti-skid grooves perpendicular to the extrusion direction is additionally arranged, and the anti-skid directions of the buckles are perpendicular to each other, so that the firmness and the stability of finished pipelines after mechanical connection are greatly enhanced, and the anti-skid function in the longitudinal direction and the transverse direction is achieved. By means of the design, the slipping risk of the connecting position is reduced, the stability and reliability of the whole pipeline system are improved, the problems of insufficient connecting strength and poor sealing performance possibly existing in a traditional pipeline connecting mode are solved, the production process is simplified, the energy consumption is reduced, and the production efficiency is remarkably improved.

Description

Technical Field

[0001] This utility model relates to the field of HDPE water supply pipes, and more specifically, to a fastening unit, a fastening structure, and a water supply pipe. Background Technology

[0002] Traditional HDPE reinforced hollow wall spiral pipes are mainly used in municipal drainage and sewage systems, and their application scope is relatively limited. With the acceleration of urbanization and the continuous improvement of infrastructure construction, the demand for high-performance, low-cost, and environmentally friendly pipe materials is increasing. As urbanization accelerates, their application scope has expanded to large-scale water conservancy projects, environmental protection projects, the petroleum industry, the coal industry, chemical engineering, power engineering, and many other fields. This wide range of applications not only provides a broader market space for the promotion and sales of new pipe materials, but also fuels the growing demand for municipal pipe network construction. Traditional plastic pipes, due to their bulkiness, high cost, and low production efficiency, can no longer meet the requirements of modern urban construction for efficiency, environmental protection, and economy. Especially against the backdrop of increasingly stringent environmental protection requirements and increasingly scarce resources, the development of new lightweight, efficient, and low-cost pipe products has become an inevitable trend in the industry.

[0003] Traditional HDPE reinforced hollow wall spiral wound pipes are produced by extruding hollow square tubes, positioning them with an inner liner, and then rotating them around the core. Hot-melt plasticized HDPE is uniformly filled into the gaps on the outer sidewalls of the wound square tube. The pipes are then cooled, shaped, cut to length, and the ends are sealed. While this production method achieves some of the advantages of a hollow structure, such as light weight and high strength, it still results in a bulky product. Specifically, because the spiral wound sidewalls of the finished pipe consist of a double-layer hollow square tube wall and a layer of hot-melt plastic filling, the thickness of the sidewalls is generally at least three times that of the square tube wall, resulting in a thicker and heavier product. This not only increases the difficulty of transportation and installation but also limits the product's applicability. The production process of traditional HDPE reinforced hollow wall spiral wound pipes involves multiple complex steps, including extrusion molding, inner liner positioning, rotational winding, hot-melt plasticizing filling, cooling and shaping, and length cutting. These steps are not only cumbersome but also consume a lot of energy and time, leading to high production costs and low production efficiency. In addition, the presence of hot melt plasticizing and filling processes may lead to unstable product quality, such as shrinkage marks, voids or bubbles.

[0004] Traditional pipe connection methods may suffer from insufficient connection strength and poor sealing performance. This is mainly because traditional connection methods typically employ hot-melt butt welding or adhesive bonding, which are susceptible to environmental factors such as temperature changes and chemical corrosion during long-term use, leading to loosening and leakage at the connection points. Furthermore, the spiral winding and rotational connection process of traditional pipes may only provide anti-slip capability in one direction, such as only the vertical direction of the extruded sheet. This design easily leads to slippage and loosening at the connection point in the longitudinal direction, thus affecting the overall stability and reliability of the pipeline system. Utility Model Content

[0005] To overcome at least one of the defects described in the prior art, this utility model provides a fastening unit, a fastening structure, and a water supply pipe.

[0006] The present invention aims to solve the above-mentioned technical problems to at least a certain extent.

[0007] To solve the above-mentioned technical problems, the technical solution of this utility model is as follows:

[0008] A fastening unit includes: a first connecting joint, a second connecting joint, a first connecting slot, a second connecting slot, a first sidewall, and a second sidewall. The first connecting joint and the first connecting slot are disposed on the first sidewall, and the second connecting joint and the second connecting slot are disposed on the second sidewall. The first sidewall and the second sidewall are disposed opposite to each other. The first connecting joint and the second sidewall are connected, and the second connecting joint and the first sidewall are connected. An opening is provided between the first sidewall and the second sidewall. The opening is fixedly connected to the first sidewall and the second sidewall by connecting ribs. The connecting ribs are all connected to the first connecting joint and the second connecting joint.

[0009] Furthermore, the first connecting joint includes a base, and the surface of the base is provided with a bayonet.

[0010] Furthermore, both the first and second connecting slots are provided with outwardly protruding hooks.

[0011] Furthermore, both the first and second connecting joints are provided with slots.

[0012] Furthermore, a first thread is provided between the first connecting connector and the first connecting slot, and a second thread is provided between the second connecting connector and the second connecting slot.

[0013] Furthermore, the first and second threads have a serrated structure.

[0014] A fastening structure includes at least two fastening units, specifically, at least a first fastening unit and a second fastening unit; the first connecting joint of the first fastening unit is fastened to the first connecting slot of the second fastening unit, and a sealing ring is provided on the fastening contact surface; the first connecting slot of the first fastening unit is fastened to the first connecting joint of the second fastening unit, and a sealing ring is provided on the fastening contact surface.

[0015] A water supply pipe includes several interlocking structures, wherein the first sidewall and the second sidewall of the interlocking unit respectively form the inner water supply pipe surface and the outer water supply pipe surface of the water supply pipe.

[0016] Furthermore, the opening of the fastening unit is a cavity between the inner water supply pipe surface and the outer water supply pipe surface.

[0017] Furthermore, the first thread of the first fastening unit engages with the second thread of the second fastening unit.

[0018] Compared with the prior art, the beneficial effects of this utility model's technical solution are:

[0019] This invention proposes a fastening unit that forms a fastening structure through a first connecting joint, a second connecting joint, a first connecting groove, and a second connecting groove. This fastening structure ensures a tight fit at the pipe connection. During production, by adding a combination of anti-slip teeth and anti-slip grooves perpendicular to the extrusion direction, the anti-slip directions of the fastening are perpendicular to each other, greatly enhancing the robustness and stability of the finished pipe after mechanical connection, achieving anti-slip function in both longitudinal and transverse directions. This design not only reduces the risk of slippage at the connection but also improves the stability and reliability of the entire pipeline system. It solves the problems of insufficient connection strength and poor sealing performance that may exist in traditional pipe connection methods, simplifies the production process, reduces energy consumption, and significantly improves production efficiency. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the fastening unit structure described in this utility model;

[0021] Figure 2 This is a schematic diagram of the fastening unit structure described in this embodiment;

[0022] Figure 3 This is a schematic diagram of the fastening structure described in this utility model;

[0023] Figure 4 This is a partially enlarged cross-sectional view of the first threaded structure described in this embodiment;

[0024] Figure 5 This is a schematic diagram of the fastening structure described in this embodiment;

[0025] Figure 6This is a schematic diagram of the water supply pipe structure described in this utility model;

[0026] Figure 7 for Figure 6 Enlarged view of section AA;

[0027] In the figure, 1. First connecting joint; 2. Second connecting joint; 3. First connecting slot; 4. Second connecting slot; 5. First side wall; 6. Second side wall; 7. Opening; 8. Base; 9. Bayonet; 10. Sealing ring; 11. Hook; 12. Slot; 13. First thread; 14. Second thread; 15. Inner water supply pipe surface; 16. Outer water supply pipe surface. Detailed Implementation

[0028] The accompanying drawings are for illustrative purposes only and should not be construed as limiting the scope of this patent.

[0029] To better illustrate this embodiment, some parts in the accompanying drawings may be omitted, enlarged, or reduced, and do not represent the actual product dimensions;

[0030] It will be understood by those skilled in the art that certain well-known structures and their descriptions may be omitted in the accompanying drawings.

[0031] The technical solution of this utility model will be further described below with reference to the accompanying drawings and embodiments.

[0032] Example 1

[0033] A fastening unit, such as Figure 1 As shown, it includes: a first connecting joint 1, a second connecting joint 2, a first connecting slot 3, a second connecting slot 4, a first sidewall 5, and a second sidewall 6. The first connecting joint 1 and the first connecting slot 3 are disposed on the first sidewall 5, and the second connecting joint 2 and the second connecting slot 4 are disposed on the second sidewall 6. The first sidewall 5 and the second sidewall 6 are disposed opposite to each other. The first connecting joint 1 and the second sidewall 6 are connected, and the second connecting joint 2 is connected to the first sidewall 5. An opening 7 is provided between the first sidewall 5 and the second sidewall 6. The opening 7 is fixedly connected to the first sidewall 5 and the second sidewall 6 by connecting ribs. The connecting ribs are all connected to the first connecting joint 1 and the second connecting joint 2.

[0034] In its specific implementation, this utility model includes a first connecting joint, a second connecting joint, a first connecting groove, and a second connecting groove, improving the connection strength and sealing performance of the pipeline system. This utility model proposes a snap-fit ​​unit, which forms a snap-fit ​​assembly through the first connecting joint, the second connecting joint, the first connecting groove, and the second connecting groove. The snap-fit ​​assembly ensures a tight fit at the pipe connection. During production, the snap-fit ​​assembly is extruded and molded, then positioned and snapped together using the connecting joint and connecting groove, simplifying the production process and significantly improving production efficiency. The opening forms a double-wall structure for the pipeline. The connecting rib is integrally molded with the opening, effectively enhancing the pressure resistance and impact resistance of the opening, preventing severe deformation when subjected to external heavy objects. The presence of the snap-fit ​​assembly and sealing ring also makes the pipeline connection more convenient and reliable, reducing the difficulty of installation and maintenance.

[0035] Example 2

[0036] This embodiment, based on Embodiment 1, continues to disclose the following content:

[0037] like Figure 2 and Figure 3 As shown, the first connecting connector 1 includes a base 8, and the surface of the base 8 is provided with a bayonet 9.

[0038] In practical implementation, the snap-fit ​​assembly provides the fastening force, while the sealing ring achieves a tighter seal through its elastic deformation capability. This invention not only improves the pressure resistance of the connection but also effectively prevents water leakage.

[0039] The application of snap-fit ​​assemblies ensures a tight fit at pipe connections, while the sealing ring guarantees the sealing effect of the finished pipe, effectively preventing leakage and waste of transported water resources. This dual design and double protection not only improves the safety of the pipeline system but also extends its service life. The reinforced hollow spiral lap joint PE water supply pipe, through the addition of threaded teeth perpendicular to the extrusion direction and anti-slip grooves, achieves anti-slip function in both longitudinal and transverse directions. This design greatly enhances the robustness and stability of the finished pipe after mechanical connection, reduces the risk of slippage at the connection, and improves the stability and reliability of the entire pipeline system.

[0040] Example 3

[0041] Based on Examples 1 and 2, this embodiment continues to disclose the following content:

[0042] Both the first connecting slot 3 and the second connecting slot 4 are provided with outwardly protruding hooks 11.

[0043] Both the first connecting connector 1 and the second connecting connector 2 are provided with a slot 12.

[0044] A first thread 13 is provided between the first connecting connector 1 and the first connecting slot 3, and a second thread 14 is provided between the second connecting connector 2 and the second connecting slot 4.

[0045] like Figure 4 As shown, the first thread 13 and the second thread 14 have a serrated structure, which is a serrated structure with one side inclined and the other side almost at a right angle.

[0046] In practical implementation, the threaded groove combination provides anti-slip functionality, enhancing the anti-slip properties in both the longitudinal and transverse directions of the finished pipe. This novel hollow-wound PE water supply pipe sheet, through the addition of threaded teeth perpendicular to the extrusion direction and anti-slip grooves, with their snap-fit ​​anti-slip directions perpendicular to each other, greatly enhances the firmness and stability of the finished pipe after mechanical connection. This design not only reduces the risk of slippage at the connection points but also improves the stability and reliability of the entire pipeline system.

[0047] A combination of threaded teeth and anti-slip grooves was added to the surface of the anti-slip grooves to prevent the pipe from slipping under external forces. This improvement not only enhances the stability of the pipe but also extends its service life. By adding the combination of threaded teeth and anti-slip grooves perpendicular to the extrusion direction, the anti-slip direction is perpendicular to each other.

[0048] The threaded teeth refer to the toothed protrusions on the surface of the anti-slip groove. These protrusions act like tiny anti-slip nails, increasing friction with the contact surface. This design makes it more difficult for objects to slide on the contact surface when subjected to external forces. The anti-slip groove refers to a groove-like structure on the surface that can accommodate and hold substances on the contact surface, thereby increasing friction. Anti-slip grooves are usually set in a certain direction, effectively preventing objects from sliding laterally. When threaded teeth and anti-slip grooves are combined, the combination can increase friction in multiple dimensions, including vertical, horizontal, and inclined directions. This allows objects to maintain a stable connection when subjected to external forces from various directions. The combination of threaded teeth and anti-slip grooves can create a mechanical interlocking and impurity-accommodating effect, thereby improving the strength of the connection. This design makes it more difficult for objects to separate or slide when subjected to larger external forces. The combination design of threaded teeth and anti-slip grooves can adapt to various environments, including dry, humid, rainy, and snowy environments. This design allows objects to maintain a stable connection and anti-slip effect in various environments.

[0049] Example 4

[0050] Based on embodiments 1, 2, and 3, this embodiment continues to disclose the following content:

[0051] A snap-fit ​​structure, such as Figure 5As shown, it includes at least two fastening units, specifically, at least a first fastening unit and a second fastening unit; the first connecting joint 1 of the first fastening unit is fastened to the first connecting slot 3 of the second fastening unit, and a sealing ring 10 is installed on the fastening contact surface.

[0052] In practical implementation, the fastening units are placed end-to-end during assembly. Each fastening unit is equipped with specific connecting components, including a first connecting joint 1, a second connecting joint 2, a first connecting slot 3, and a second connecting slot 4. During assembly, the first connecting joint 1 engages with the first connecting slot 3, and the second connecting joint 2 engages with the second connecting slot 4. This design not only ensures the stability of the connection but also greatly simplifies the assembly process. This fastening structure achieves a secure connection between fastening units through a simple fastening action, eliminating the need for additional fasteners or tools. This significantly shortens assembly time, reduces labor costs, and improves the overall efficiency of the production line.

[0053] Example 5

[0054] This embodiment, based on embodiments 1, 2, 3, and 4, further discloses the following content:

[0055] A type of water supply pipe, such as Figure 6 and Figure 7 As shown, it includes several fastening structures, with the first sidewall 5 and the second sidewall 6 of the fastening unit forming the inner water supply pipe surface and the outer water supply pipe surface of the water supply pipe, respectively.

[0056] The opening 7 of the fastening unit is a cavity between the inner water supply pipe surface and the outer water supply pipe surface.

[0057] The first thread of the first fastening unit engages with the second thread of the second fastening unit.

[0058] In practice, the water supply pipes are directly formed using a mechanical overlapping and winding method, offering advantages such as a novel and unique structure. The simplified steps of mechanical overlapping and winding, along with fixed-length cutting, eliminate energy-intensive processes like hot-melt plasticizing and filling. This not only significantly reduces energy consumption but also minimizes instability during production and improves product quality. Furthermore, the simplified production process lowers the requirements for production equipment and personnel skills, further reducing production costs. This not only improves production efficiency but also enhances the stability of the pipe winding connections and reduces energy consumption. In addition, it gives the product high market recognition.

[0059] Place one end of the water supply pipe in the clamp of the splicing equipment to ensure accurate positioning.

[0060] Using an overlapping device, the other end of the water supply pipe is overlapped onto the existing water supply pipe at a specific angle and in a specific manner. Mechanical force is then applied to ensure a tight fit, forming a secure connection. The snap-fit ​​design ensures a tight seal at the pipe connection, and the snap-fit ​​components not only improve the safety of the piping system but also extend its service life. Furthermore, the presence of the snap-fit ​​assembly and sealing rings makes pipe connections more convenient and reliable, reducing the difficulty of installation and maintenance.

[0061] It directly forms the product using simplified methods such as extrusion molding, liner positioning, mechanical overlapping and winding, and fixed-length cutting. This not only improves production efficiency but also reduces energy consumption and production costs.

[0062] The same or similar labels correspond to the same or similar parts;

[0063] The terms used to describe positional relationships in the accompanying drawings are for illustrative purposes only and should not be construed as limiting this patent.

[0064] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating this utility model, and are not intended to limit the implementation of this utility model. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A fastening unit, characterized in that, The utility model relates to a water supply pipe connecting structure, including: First connecting joint (1), second connecting joint (2), first connecting slot (3), second connecting slot (4), first side wall (5) and second side wall (6), first connecting joint (1) and first connecting slot (3) are arranged on first side wall (5), second connecting joint (2) and second connecting slot (4) are arranged on second side wall (6), first side wall (5) and second side wall (6) are oppositely arranged, first connecting joint (1) and second side wall (6) are connected, second connecting joint (2) and first side wall (5) are connected, and the opening cavity (7) is arranged between first side wall (5) and second side wall (6), the opening cavity (7) is fixedly connected by the connecting rib of first side wall (5) and second side wall (6), and the connecting rib is connected with first connecting joint (1) and second connecting joint (2).

2. The fastening unit according to claim 1, characterized in that The first connecting joint (1) is provided with a bayonet (9) on the surface.

3. The fastening unit of claim 1, wherein The first connecting slot (3) and the second connecting slot (4) are provided with outwardly extending hooks (11).

4. The fastening unit of claim 2, wherein The first connecting joint (1) and the second connecting joint (2) are provided with a slot (12).

5. The fastening unit of claim 4, wherein The first connecting joint (1) and the second connecting joint (2) are provided with a slot (12).

6. The fastening unit of claim 5, wherein The first connecting joint (1) and the second connecting joint (2) are provided with a slot (12).

7. A snap-fit structure characterized by comprising: The first screw thread (13) and the second screw thread (14) are sawtooth structures. The utility model relates to a water supply pipe connecting structure, including at least two buckle units as claimed in any one of claims 1 to 6, specifically, at least including a first buckle unit and a second buckle unit; 8. The fastening structure according to claim 7, wherein The first connecting joint (1) of the first buckle unit is buckled with the second connecting slot (4) of the second buckle unit, and a sealing ring (10) is arranged on the buckling contact surface, the first connecting slot (3) of the first buckle unit is buckled with the second connecting joint (2) of the second buckle unit, and a sealing ring (10) is arranged on the buckling contact surface.

9. A water supply pipe, characterised in that The first screw thread (13) of the first buckle unit is buckled with the second screw thread (14) of the second buckle unit.

10. The water service pipe of claim 9, wherein, The utility model relates to a water supply pipe connecting structure, including a plurality of buckle structures as claimed in claim 7, and the first side wall (5) and the second side wall (6) of the buckle unit form water supply inner pipe surfaces (15) and water supply outer pipe surfaces (16) of the water supply pipe respectively. The opening cavity (7) of the buckle unit is a cavity between the water supply inner pipe surface (15) and the water supply outer pipe surface (16).

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