PE pipe convenient for butt joint installation
By setting butt joints at both ends of PE pipes and using extrusion and anti-loosening components, the problem of PE pipes being unable to be disassembled after hot-melt butt welding is solved, achieving convenient butt joint installation and sealing effect, which is suitable for small water supply pipes.
Patent Information
- Application Number
- CN202522125541.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-09
- Publication Date
- 2026-08-25
- Estimated Expiration
- 2035-10-09
AI Technical Summary
Existing PE pipes cannot be disassembled after hot-melt butt welding, making them unusable for reuse. At the same time, the butt welding and installation of small water supply PE pipes is inconvenient.
Connectors are installed at both ends of the PE pipe, and extrusion and anti-loosening components are used to achieve rapid extrusion installation and prevent loosening. The sealing effect is ensured by the cooperation of sealing groove and sealing ring.
It enables rapid connection, installation, and disassembly of PE pipes, facilitating secondary use and improving the sealing and stability of the installation.
Smart Images

Figure CN224680367U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of PE pipe technology, specifically to a PE pipe that is easy to connect and install. Background Technology
[0002] PE pipes are made of high-density polyethylene and are widely used in water supply, drainage, gas pipelines, and other industrial applications. Due to the long distances involved in their use, PE pipes often require joint installation.
[0003] However, existing PE pipes are generally joined by heat fusion, and PE pipes that have been joined by heat fusion cannot be disassembled and therefore cannot be reused, which is not conducive to practical applications. The same applies to the installation of small water supply PE pipes, which is inconvenient for quick and easy connection and installation.
[0004] Therefore, those skilled in the art provide a PE pipe that is easy to install by connecting and can be used for connecting and installing small PE pipes, thereby solving the problems mentioned in the background art. Utility Model Content
[0005] In view of the shortcomings of the prior art, this utility model provides a PE pipe that is easy to connect and install. It solves the problem mentioned in the background that the existing PE pipes are generally connected by heat fusion, and the PE pipes after heat fusion cannot be disassembled and therefore cannot be reused, which is not conducive to practical application. At the same time, the same applies to the installation of small water supply PE pipes, which is inconvenient to connect and install quickly.
[0006] To achieve the above objectives, this utility model is implemented through the following technical solution: a PE pipe that is easy to connect and install, comprising a PE pipe one and a PE pipe two, wherein a connector one is fixedly installed at the end of the PE pipe one near the PE pipe two, and a connector two is rotatably connected at the end of the PE pipe two near the PE pipe one, and a sealing ring is provided between the connector one and the connector two. A compression assembly is provided between the first and second connectors. The compression assembly is used to compress the first and second connectors for installation, thereby compressing the sealing ring. The second connector is also provided with an anti-loosening assembly, which is used to prevent relative displacement between the second and first connectors after installation and docking.
[0007] Through the above technical solution, a first connector is set at one end of PE pipe 1 and a second connector is set at one end of PE pipe 2. At the same time, the extrusion assembly can quickly extrude and install the first and second connectors, thereby extruding the sealing rings located inside them and ensuring the sealing effect. In addition, by setting the anti-loosening assembly, the first and second connectors can be prevented from loosening after the butt joint is installed, which further improves the installation and docking effect of the equipment and is beneficial to practical applications.
[0008] Preferably, the extrusion assembly includes three locking strips and three locking blocks. The three locking strips are equidistantly installed on the outer side of the first connector. A notch for installing a locking block is left between each two adjacent locking strips. The locking block is fixedly installed on the outer side of the second connector and engages with the locking strips.
[0009] The above technical solution utilizes the interlocking mechanism between the card block and the card strip to connect and install the first and second connectors.
[0010] Preferably, the anti-loosening component includes a limiting hole, a buffer groove, an L-shaped rod, a buffer plate, a spring, and an unlocking ring. The limiting hole is located on the outside of the locking strip, the buffer groove is located inside the locking block, the L-shaped rod slides inside the locking block and passes through the buffer groove, and one end of each L-shaped rod extends into the corresponding limiting hole. The buffer plate is fixedly connected to the outside of the L-shaped rod and slidably connected to the inner wall of the buffer groove. The spring is fixedly installed on the outside of the buffer plate and located on both sides of the L-shaped rod. The ends of the springs away from the buffer plate are fixedly connected to the inner wall of the buffer groove. The unlocking ring is fixedly connected between the ends of the three L-shaped rods away from the limiting hole.
[0011] By utilizing the above technical solution and the cooperation between the L-shaped rod and the limiting hole, the position of the second connector and the locking block can be limited, thereby preventing the second connector from becoming loose due to reverse rotation after the second connector is installed with the first connector.
[0012] Preferably, the first connector has a sealing groove 1 inside, and the second connector has a sealing groove 2 inside, and the sum of the depths of the first sealing groove and the second sealing groove is less than the thickness of the sealing ring.
[0013] The above technical solution utilizes sealing groove one and sealing groove two to install and match the sealing ring. Since the sum of the depths of sealing groove one and sealing groove two is less than the thickness of the sealing ring, the sealing ring can be further compressed when the butt joint one and butt joint two are installed together, thereby further increasing the sealing effect of both.
[0014] Preferably, one end of each card strip has an inclined surface, and a stop block is fixedly installed at the end of each card strip away from the inclined surface.
[0015] Through the above technical solution, by utilizing the effect of the bevel at one end of the clip, after the first and second connectors are connected, when the second connector is rotated, the cooperation between the clip and the clip block can further compress the first and second connectors, and at the same time compress the sealing ring between them, thereby ensuring the sealing effect.
[0016] Preferably, the end of the L-shaped rod located inside the limiting hole is provided with a bevel structure.
[0017] With the above technical solution, when rotating the second coupling, the inclined surface at one end of the L-shaped rod can be used to push the L-shaped rod to slide inside the locking block and squeeze the spring until one end of the L-shaped rod is located on one side of the limiting hole. Under the elastic force of the spring, the buffer plate and the L-shaped rod return to their original positions, so that one end of the L-shaped rod enters the interior of the limiting hole, thereby quickly completing the installation operation.
[0018] This utility model provides a PE pipe that is easy to install, and has the following beneficial effects: This PE pipe, which is easy to install, has a connector one at one end of PE pipe one and a connector two at one end of PE pipe two. The extrusion assembly allows for quick extrusion installation of connector one and connector two, thereby compressing the sealing rings located inside them and ensuring a sealing effect. In addition, the anti-loosening assembly prevents connector one and connector two from loosening after installation, further improving the installation and connection effect of the equipment and benefiting practical applications. Attached Figure Description
[0019] Figure 1 This is a schematic diagram of the docking and installation state of this utility model.
[0020] Figure 2 This is a schematic diagram of the disassembled state of this utility model.
[0021] Figure 3 This is a schematic diagram of the structure of the PE pipe and the connector of this utility model.
[0022] Figure 4 This is a cross-sectional structural diagram of the PE pipe 2 and the connector 2 of this utility model.
[0023] Figure 5 This is a schematic diagram showing the disassembled structure of the PE pipe 2 and the connector 2 of this utility model.
[0024] Figure 6 This is a schematic diagram of the structure of the PE pipe 2 and the connector 2 of this utility model.
[0025] In the diagram: 1. PE pipe one; 2. PE pipe two; 3. Connector one; 4. Connector two; 5. Sealing ring; 6. Locking strip; 7. Locking block; 8. Limiting hole; 9. Buffer groove; 10. L-shaped rod; 11. Buffer plate; 12. Spring; 13. Unlocking ring; 14. Sealing groove one; 15. Sealing groove two; 16. Stop block. Detailed Implementation
[0026] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments.
[0027] Reference Figures 1-6 This utility model embodiment provides a PE pipe material that is easy to install, including a PE pipe 1 and a PE pipe 2. A connector 3 is fixedly installed at one end of the PE pipe 1 near the PE pipe 2, and a connector 4 is rotatably connected to the end of the PE pipe 2 near the PE pipe 1. A sealing ring 5 is provided between the connector 3 and the connector 4, which can increase the sealing effect between the connector 3 and the connector 4. A sealing groove 14 is opened inside the connector 3, and a sealing groove 15 is opened inside the connector 4. The sum of the depths of the sealing grooves 14 and 15 is less than the thickness of the sealing ring 5. The sealing ring 5 is installed and matched using the sealing grooves 14 and 15. At the same time, since the sum of the depths of the sealing grooves 14 and 15 is less than the thickness of the sealing ring 5, the sealing ring 5 can be further squeezed when the connectors 3 and 4 are installed together, thereby further increasing the sealing effect.
[0028] In one aspect of this embodiment, a compression assembly is provided between the first connector 3 and the second connector 4. The compression assembly is used to compress and install the first connector 3 and the second connector 4, thereby compressing the sealing ring 5. The compression assembly includes three retaining strips 6 and three retaining blocks 7. The three retaining strips 6 are equidistantly installed on the outside of the first connector 3, and a notch for installing the retaining block 7 is left between each adjacent retaining strip 6, ensuring that the retaining block 7 can enter the outside of the first connector 3 when the first connector 3 and the second connector 4 are installed and matched. The retaining block 7 is fixedly installed on the outside of the second connector 4 and engages with the retaining strips 6. By utilizing the engagement between the retaining block 7 and the retaining strips 6, the first connector 3 and the second connector 4 can be mated and installed. Each of the retaining strips 6 has a beveled end. Utilizing the beveled end of the retaining strip 6, after the first connector 3 and the second connector 4 are joined, rotating the second connector 4 allows the retaining strip 6 and the retaining block 7 to further compress the first connector 3 and the second connector 4, simultaneously compressing the sealing ring 5 between them, thus ensuring a sealing effect. A stop block 16 is fixedly installed at the end of the retaining strip 6 away from the bevel. The stop block 16 limits the rotation of the retaining block 7 and the second connector 4, preventing excessive rotation.
[0029] In one aspect of this embodiment, the second connector 4 is provided with an anti-loosening component to prevent relative displacement between the second connector 4 and the first connector 3 after installation and docking. The anti-loosening component includes a limiting hole 8, a buffer groove 9, an L-shaped rod 10, a buffer plate 11, a spring 12, and an unlocking ring 13. The limiting hole 8 is located on the outside of the locking strip 6. The buffer groove 9 is located inside the locking block 7. The L-shaped rod 10 slides inside the locking block 7 and passes through the buffer groove 9. One end of each L-shaped rod 10 extends into the corresponding limiting hole 8. By utilizing the cooperation between the L-shaped rod 10 and the limiting hole 8, the positions of the second connector 4 and the locking block 7 can be limited, thereby preventing the second connector 4 from loosening due to reverse rotation after the second connector 4 and the first connector 3 are installed and docked. The end of each L-shaped rod 10 located inside the limiting hole 8 is provided with a beveled structure, such as... Figure 5 and Figure 6 As shown. The buffer plate 11 is fixedly connected to the outside of the L-shaped rod 10 and slidably connected to the inner wall of the buffer groove 9. The spring 12 is fixedly installed on the outside of the buffer plate 11 and located on both sides of the L-shaped rod 10. The end of the spring 12 away from the buffer plate 11 is fixedly connected to the inner wall of the buffer groove 9. The unlocking ring 13 is fixedly connected between the ends of the three L-shaped rods 10 away from the limiting hole 8. When rotating the coupling 4, the inclined surface at one end of the L-shaped rod 10 can be used to push the L-shaped rod 10 to slide inside the locking block 7 and squeeze the spring 12 until one end of the L-shaped rod 10 is located on one side of the limiting hole 8. Under the elastic force of the spring 12, the buffer plate 11 and the L-shaped rod 10 return to their original positions, allowing one end of the L-shaped rod 10 to enter the interior of the limiting hole 8, thus quickly completing the installation operation.
[0030] Working principle: When using it, firstly as follows Figure 2 As shown, the sealing ring 5 is placed inside the sealing groove 14, and then the connector 4 at one end of the PE pipe 2 is installed towards the connector 3 at one end of the PE pipe 1, so that the locking block 7 on the outside of the connector 4 is aligned with the notch between the two adjacent locking strips 6 on the outside of the connector 3, thereby clamping and installing the sealing ring 5 between the sealing groove 15 and the sealing groove 14. At this time, there is a certain gap between the connector 4 and the connector 3.
[0031] Then, by rotating the connector 4, the outer locking block 7 is rotated, which in turn drives the L-shaped rod 10 inside the locking block 7 to rotate. When the inclined surface of one end of the L-shaped rod 10 contacts the inclined surface of the outer side of the locking strip 6, the inclined surface of one end of the L-shaped rod 10 is used to push the L-shaped rod 10 to slide inside the locking block 7 and squeeze the spring 12 until one end of the L-shaped rod 10 is located on one side of the limiting hole 8. Under the elastic force of the spring 12, the buffer plate 11 and the L-shaped rod 10 return to their original positions, so that one end of the L-shaped rod 10 enters the interior of the limiting hole 8, thereby quickly completing the installation operation.
[0032] When the locking block 7 rotates from the inclined position outside the locking strip 6 to the flat position, the thickness of the locking strip 6 at the flat position is increased compared to that at the inclined position. Therefore, the locking block 7 will be pulled towards the direction of the first connector 3, which can squeeze the second connector 4 and the first connector 3, and squeeze the sealing ring 5 between them to increase the sealing effect.
[0033] When it is necessary to disassemble PE pipe 1 and PE pipe 2, simply pull the unlocking ring 13 to move the L-shaped rod 10 inside the locking block 7, and use the buffer plate 11 to squeeze the spring 12, so that the L-shaped rod 10 is disengaged from the limiting hole 8. Then rotate the connector 2 4 in the opposite direction, so that the locking block 7 is disengaged from the outside of the locking strip 6. It is convenient and quick.
[0034] 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 PE pipe material that is easy to connect and install, comprising PE pipe one (1) and PE pipe two (2), characterized in that, A connector 1 (3) is fixedly installed at one end of the PE pipe 1 (1) near the PE pipe 2 (2), and a connector 2 (4) is rotatably connected at one end of the PE pipe 2 (2) near the PE pipe 1 (1). A sealing ring (5) is provided between the connector 1 (3) and the connector 2 (4). A compression assembly is provided between the first connector (3) and the second connector (4). The compression assembly is used to compress the first connector (3) and the second connector (4) to install them, thereby compressing the sealing ring (5). The second connector (4) is also provided with an anti-loosening assembly, which is used to prevent the second connector (4) and the first connector (3) from relative displacement after installation and docking.
2. The PE pipe for easy docking and installation according to claim 1, characterized in that: The extrusion assembly includes three clips (6) and three blocks (7). The three clips (6) are installed equidistantly on the outside of the first connector (3). There is a notch between each two adjacent clips (6) for installing the block (7). The block (7) is fixedly installed on the outside of the second connector (4) and engages with the clips (6).
3. The PE pipe for easy docking and installation according to claim 2, characterized in that: The anti-loosening assembly includes a limiting hole (8), a buffer groove (9), an L-shaped rod (10), a buffer plate (11), a spring (12), and an unlocking ring (13). The limiting hole (8) is located on the outside of the locking strip (6). The buffer groove (9) is located inside the locking block (7). The L-shaped rod (10) slides inside the locking block (7) and passes through the buffer groove (9). One end of the L-shaped rod (10) extends into the corresponding limiting hole (8). The buffer plate (11) is fixedly connected to the outside of the L-shaped rod (10) and slidably connected to the inner wall of the buffer groove (9). The spring (12) is fixedly installed on the outside of the buffer plate (11) and located on both sides of the L-shaped rod (10). The end of the spring (12) away from the buffer plate (11) is fixedly connected to the inner wall of the buffer groove (9). The unlocking ring (13) is fixedly connected between the ends of the three L-shaped rods (10) away from the limiting hole (8).
4. The PE pipe for easy docking and installation according to claim 1, characterized in that: The first connector (3) has a sealing groove (14) inside, and the second connector (4) has a sealing groove (15) inside. The sum of the depths of the first sealing groove (14) and the second sealing groove (15) is less than the thickness of the sealing ring (5).
5. The PE pipe for easy docking and installation according to claim 2, characterized in that: One end of each of the card strips (6) is provided with an inclined surface, and a stop block (16) is fixedly installed on the end of each card strip (6) away from the inclined surface.
6. The PE pipe for easy butt joint installation according to claim 3, characterized in that: The L-shaped rod (10) has a beveled structure at one end inside the limiting hole (8).