A plastic-wrapped reinforced pipe connecting joint
Patent Information
- Application Number
- CN202522123472.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-09
- Publication Date
- 2026-10-27
- Estimated Expiration
- 2035-10-09
AI Technical Summary
[0004]本申请的目的在于：为了解决上述提出的排水管在安装时，通常使用锤击工具凿击楔块，将楔块套设在两个卡箍上，从而将两个卡箍固定，但是无任何限位部件，当在安装过程中发生振动，容易造成楔块与卡箍之间发生偏移，且卡箍之间贴合性差，同时卡箍内面通常设置有密封圈用于密封管道连接处，当密封圈受到挤压或振动时，密封圈会朝外侧偏移无法紧密贴合管道，导致管道的密封性、稳定性差，不利于管道的长期使用的问题，提供一种用于塑料缠绕加筋管连接接头
1、本申请中，施工时，第一水管和第二水管放置在提前预挖的基坑中，支撑腿贴合在基坑中的地面，接着将密封圈套设在第一水管和第二水管之间的连接处，之后分别将卡箍套在第一水管和第二水管的表面，并让凸块齐平贴合，接着将楔板通过外界锤击工具的锤击套设在凸块上，从而将第一水管和第二水管之间固定，并密封管道间的接头处，通过增设支撑腿增大卡箍与地面的摩擦，优化施工便捷性，防止卡箍相对于第一水管和第二水管滑动，同时，使楔板在敲打时不会窜动，方便安装、楔板与卡箍中的第一卡齿和第二卡齿之间啮合避免安装时产生的振动楔板从凸块上滑出，协同实现了管道连接施工的高效性与连接部位的密封性、稳定性及牢固性，保障了管道连接的安装质量与长期使用可靠性。
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Figure CN224904308U_ABST
Abstract
Description
Technical Field
[0001] This application belongs to the field of drainage pipe joint technology, specifically a joint for connecting plastic spiral reinforced pipes. Background Technology
[0002] Municipal buried plastic drainage pipe joints are key connecting components that ensure the sealing, durability, and water flow efficiency of municipal drainage systems. They are mainly used to connect different sections of buried plastic drainage pipes and are suitable for rainwater and sewage discharge needs in scenarios such as municipal roads, residential areas, and industrial parks.
[0003] During the installation of existing drainage pipes, a hammer is typically used to chisel a wedge, which is then fitted onto two clamps to secure them. However, there are no limiting components. When vibration occurs during installation, the wedge and clamps are prone to shifting, and the clamps do not fit well together. In addition, the inner surface of the clamps is usually equipped with a sealing ring to seal the pipe connection. When the sealing ring is squeezed or vibrated, it will shift outward and fail to fit tightly against the pipe, resulting in poor sealing and stability of the pipe, which is not conducive to the long-term use of the pipe. Utility Model Content
[0004] The purpose of this application is to address the problems mentioned above, where drainage pipes are typically installed using a hammer to chisel a wedge and then fit it onto two clamps to secure them. However, without any limiting components, vibrations during installation can easily cause the wedge and clamps to shift, resulting in poor fit between the clamps. Furthermore, the inner surface of the clamps usually has a sealing ring for sealing the pipe connection; when the sealing ring is compressed or vibrated, it shifts outward and fails to fit tightly against the pipe, leading to poor sealing and stability, which is detrimental to the long-term use of the pipe. Therefore, this application provides a connection joint for plastic spiral reinforced pipes.
[0005] The technical solution adopted in this application is as follows: A connector for plastic spiral reinforced pipe includes a first water pipe and a second water pipe. The two first water pipes and the second water pipe are connected and disposed on both sides above the ground. The surfaces of the first water pipe and the second water pipe are provided with reinforcing ribs. A sealing ring is fitted on the upper surface of the first water pipe and the second water pipe. A clamp is fitted on the surface of the sealing ring. A protrusion is provided on the upper surface of the clamp. A wedge plate is fitted on the surface of the protrusion.
[0006] Preferably, there are three clamps and three wedges, which are arranged in a circumferential array on the surfaces of the first and second water pipes. By setting the number of clamps and wedges to three, the force on the connection between the first and second water pipes can be evenly distributed to the three clamps, avoiding deformation or failure of a single clamp due to excessive local force, and improving the load-bearing capacity of the overall connection structure. The three clamps are fixed in pairs by the three wedges.
[0007] Preferably, the wedge plate gradually widens from back to front along the length of the inner wall, and the shape of the protrusion matches the shape of the inner wall of the first locking tooth. By setting the wedge plate to gradually widen from back to front along the length of the inner wall, it can play an automatic guiding role during the fitting of the protrusion, ensuring that the two are quickly aligned and avoiding assembly misalignment. The width of the wedge plate is less than the width of the two protrusions, so that the fitted wedge plate grips the first locking tooth tightly, enhancing the fastening between the wedge plate and the protrusion and reducing the occurrence of the wedge plate separating from the protrusion.
[0008] Preferably, the inner walls of the wedge plate are fixedly connected to both sides of the first locking teeth, and the sides of the protrusion are fixedly connected to the second locking teeth. The first locking teeth and the second locking teeth are engaged with each other on one side. When the wedge plate is fitted onto the first locking teeth, the first locking teeth and the second locking teeth are engaged with each other, restricting the relative sliding of the two in the inclined contact direction, thereby preventing the wedge plate and the first locking teeth from slipping out due to vibration.
[0009] Preferably, the three clamps are arc-shaped, and each of the three clamps has a corresponding tongue on its opposite side. The tongues in each clamp form inner and outer slopes and fit together. By setting the tongues, the clamps can be quickly and accurately aligned. At the same time, the tongues between the clamps fit together, which enhances the tightness and stability of the clamp fit, reduces the occurrence of loosening due to external forces, and prevents the sealing ring from being squeezed out during the clamping process, thus preventing water leakage.
[0010] Preferably, the inner ring of the sealing ring has an arc-shaped hole, the inner wall of the arc-shaped hole is adapted to the surface of the reinforcing rib, and there are two sealing rings. The sealing rings are respectively sleeved on both sides of the first water pipe and the second water pipe near the interface. By setting the arc-shaped hole, it can fit on the reinforcing rib on the outer surface of the first water pipe and the second water pipe, thereby enhancing the tightness between the arc-shaped hole and the reinforcing rib.
[0011] Preferably, there are two sealing rings, which are respectively fitted on both sides of the first water pipe and the second water pipe near the interface. By setting the number of sealing rings to two, they can be respectively attached to the first water pipe and the second water pipe to enhance the sealing performance.
[0012] Preferably, the inner wall of the clamp is fixedly connected with an anti-slip baffle. By setting the anti-slip baffle, the clamp can be prevented from sliding relative to the first water pipe and the second water pipe. At the same time, the wedge plate will not move when it is hammered, which facilitates installation.
[0013] In summary, due to the adoption of the above technical solution, the beneficial effects of this application are: 1. In this application, during construction, the first and second water pipes are placed in a pre-excavated foundation pit, with the support legs resting against the ground in the pit. Then, a sealing ring is fitted onto the connection between the first and second water pipes. Next, clamps are fitted onto the surfaces of the first and second water pipes, ensuring the protrusions are flush with each other. Finally, a wedge is fitted onto the protrusions using an external hammer, thereby fixing the first and second water pipes together and sealing the joint. The addition of support legs increases the friction between the clamps and the ground, optimizing construction convenience and preventing the clamps from sliding relative to the first and second water pipes. Simultaneously, it prevents the wedge from shifting during hammering, facilitating installation. The engagement between the wedge and the first and second teeth in the clamp prevents the wedge from slipping off the protrusions due to vibrations during installation. This synergistic effect achieves high efficiency in pipe connection construction and ensures the sealing, stability, and firmness of the connection, guaranteeing the installation quality and long-term reliability of the pipe connection. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the main view structure of this application; Figure 2 This is a schematic diagram of the front section structure of this application; Figure 3 This is a side view of the protrusion structure of this application; Figure 4 This is a schematic diagram of the side section structure of this application; Figure 5 This is a side view of the first and second water pipes of this application. Figure 6 This is a front view structural diagram of the clamp of this application; Figure 7 This is a top view of the wedge plate in this application. Figure 8 This is a top-section structural diagram of the wedge plate in this application; Figure 9 For this application Figure 8 Enlarged structural diagram at point A in the diagram; Figure 10 This is a side sectional view of the sealing ring of this application; Figure 11 This is a cross-sectional structural diagram of the sealing ring of this application.
[0015] Marked in the diagram: 1. First water pipe; 2. Reinforcing rib; 3. Clamp; 4. Protrusion; 5. Wedge plate; 6. First locking tooth; 7. Sealing ring; 8. Tongue; 9. Support leg; 10. Second locking tooth; 11. Second water pipe; 12. Anti-slip baffle. Detailed Implementation
[0016] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions in the embodiments of this application will be clearly and completely described below in conjunction with the embodiments of this application. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.
[0017] Example: Reference Figure 2-6 A connector for plastic spiral reinforced pipe includes a first water pipe 1 and a second water pipe 11. The two first water pipes 1 and 11 are joined on opposite sides above ground. A sealing ring 7 is fitted onto the upper surface of each water pipe 1 and 11. A clamp 3 is fitted onto the surface of the sealing ring 7, and the clamp 3 is circumferentially pressed against the surface of the sealing ring 7 to seal the gap between the first water pipe 1 and the second water pipe 11. A protrusion 4 is provided on the upper surface of the clamp 3, and a wedge plate 5 is fitted onto the surface of the protrusion 4. The first water pipe 1 and 11 are placed in a pre-excavated pit, with support legs 9 resting against the ground in the pit. Then, the sealing ring 7 is fitted onto the first water pipe. At the connection between the first water pipe 1 and the second water pipe 11, clamps 3 are then fitted onto the surfaces of the first water pipe 1 and the second water pipe 11 respectively, and the protrusions 4 are flush and fitted. Next, wedges 5 are fitted onto the protrusions 4 using an external hammering tool. There are three clamps 3 and three wedges 5. The three clamps 3 and three wedges 5 are arranged in a circumferential array on the surfaces of the first water pipe 1 and the second water pipe 11. By setting the number of clamps 3 and three wedges 5 to three, the force on the connection part of the first water pipe 1 and the second water pipe 11 can be evenly distributed to the three clamps, avoiding deformation or failure of a single clamp 3 due to excessive local force, and improving the load-bearing capacity of the overall connection structure. The three clamps 3 are fixed in pairs by the three wedges 5.
[0018] Reference Figure 2-4The wedge plate 5 gradually widens from back to front along the length of the inner wall, forming an isosceles trapezoidal cross-section that is wider at the outside and narrower at the inside. The shape of the protrusion 4 matches the shape of the inner wall of the first locking tooth 6. By setting the wedge plate 5 to gradually widen from back to front along the length of the inner wall, it can play an automatic guiding role during the process of fitting the protrusion 4, ensuring that the two are quickly aligned and avoiding misalignment during assembly. The width of the wedge plate 5 is less than the width of the two protrusions 4, so that the fitted wedge plate 5 hugs the first locking tooth 6 tightly, enhancing the fastening between the wedge plate 5 and the protrusion 4 and reducing the occurrence of the wedge plate 5 separating from the protrusion 4. The first locking tooth 6 is fixedly connected to both sides of the inner wall of the wedge plate 5, and the second locking tooth 10 is fixedly connected to the side of the protrusion 4. The first locking tooth 6 and the second locking tooth 10 are interlocked on one side. When the wedge plate 5 is fitted onto the first locking tooth 6, the first locking tooth 6 and the second locking tooth 10 are interlocked, restricting the relative sliding of the two in the inclined contact direction, thereby preventing the wedge plate 5 and the first locking tooth 6 from slipping out due to vibration.
[0019] Reference Figure 1-2 The three clamps 3 are arc-shaped, and each of the three clamps 3 has a corresponding tongue 8 on its opposite side. The tongues 8 in each clamp 3 form inner and outer slopes and fit together. By setting the tongues 8, the clamps 3 can be quickly and accurately aligned. At the same time, the tongues 8 between the clamps 3 fit together, which enhances the tightness and stability of the clamps 3 and reduces the occurrence of loosening due to external forces. It also prevents the sealing rings 7 from being squeezed out during the clamping process, which would cause water leakage. There are two sealing rings 7. The sealing rings 7 are respectively fitted on both sides of the first water pipe 1 and the second water pipe 11 near the interface. By setting the number of sealing rings 7 to two, they can fit on the first water pipe 1 and the second water pipe 11 respectively to enhance the sealing performance.
[0020] Reference Figure 2 A support leg 9 is fixedly connected to the lower surface of the clamp 3 located below the first water pipe 1. The lower surface of the support leg 9 is in contact with the ground. By setting the support leg 9, it can be placed on the ground in the foundation pit. The surface of the clamp 3 is arc-shaped, and it is easy to slide on the ground. Compared with placing the clamp 3 directly in the foundation pit, the support leg 9 can make the clamp 3 stably placed in the foundation pit.
[0021] Reference Figure 1-3 The inner wall of the clamp 3 is fixedly connected with an anti-slip baffle 12. By setting the anti-slip baffle 12, the clamp 3 can be prevented from sliding relative to the first water pipe 1 and the second water pipe 11. At the same time, the wedge plate 5 will not move when it is hammered, which facilitates installation.
[0022] The implementation principle of an embodiment of a plastic spiral reinforced pipe connection joint of this application is as follows: During construction, the first water pipe 1 and the second water pipe 11 are placed in a pre-excavated foundation pit, with the support leg 9 attached to the ground in the foundation pit. Then, the sealing ring 7 is fitted onto the connection between the first water pipe 1 and the second water pipe 11. Next, the clamp 3 is fitted onto the surfaces of the first water pipe 1 and the second water pipe 11 respectively, ensuring the protrusion 4 is flush with the surface. Then, the wedge plate 5 is fitted onto the protrusion 4 by hammering with an external hammering tool, thereby fixing the first water pipe 1 and the second water pipe 11 together. At the joint between sealed pipes, the friction between the clamp 3 and the ground is increased by adding support legs 9, which optimizes the convenience of construction and prevents the clamp 3 from sliding relative to the first water pipe 1 and the second water pipe 11. At the same time, it prevents the wedge plate 5 from moving when hammered, which facilitates installation. The wedge plate 5 and the first and second teeth 6 and 10 in the clamp 3 mesh to prevent the wedge plate 5 from sliding off the protrusion 4 due to vibration during installation. This synergistically achieves high efficiency in pipe connection construction and sealing, stability and firmness of the connection parts, ensuring the installation quality and long-term reliability of the pipe connection.
[0023] The above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this application.
Claims
1. A connector for plastic spiral reinforced pipes, comprising a first water pipe (1) and a second water pipe (11), wherein the two first water pipes (1) and the second water pipe (11) are joined and disposed on both sides above the ground, characterized in that: A sealing ring (7) is fitted on the upper surface of the first water pipe (1) and the second water pipe (11). A clamp (3) is fitted on the surface of the sealing ring (7). The clamp (3) is pressed in a circumferential shape on the surface of the sealing ring (7) so that the sealing ring is tightly attached to the gap between the first water pipe (1) and the second water pipe (11) to achieve a seal. A protrusion (4) is provided on the upper surface of the clamp (3). A wedge plate (5) is fitted on the surface of the protrusion (4) so that the sealing ring (7) is tightly attached to the outer wall of the first water pipe (1) and the second water pipe (11) to achieve a seal. A first tooth (6) is fixedly connected to both sides of the inner wall of the wedge plate (5). A second tooth (10) is fixedly connected to the side of the protrusion (4). One side of the first tooth (6) and the second tooth (10) are interlocked.
2. The connector for plastic spiral reinforced pipe as described in claim 1, characterized in that: The number of clamps (3) and wedges (5) is three. The three clamps (3) and wedges (5) are arranged in a circumferential array on the surface of the first water pipe (1) and the second water pipe (11), with one clamp (3) located below the first water pipe.
3. A connector for plastic spiral wound reinforced pipe as described in claim 1, characterized in that: The wedge plate (5) gradually widens from back to front along the length of the inner wall, forming an isosceles trapezoidal cross section that is wider on the outside and narrower on the inside. The shape of the protrusion (4) is adapted to the shape of the inner wall of the first tooth (6), so that the wedge plate (5) is engaged on the surface of the protrusion (4).
4. A connector for plastic spiral wound reinforced pipe as described in claim 1, characterized in that: The three clamps (3) are arc-shaped, and each of the three clamps (3) has a corresponding tongue (8) on its opposite side. Each clamp (3) is fitted together on one side by the tongue (8), and the tongues (8) in each clamp (3) form inner and outer slopes and fit together.
5. A connector for plastic spiral wound reinforced pipe as described in claim 1, characterized in that: The number of sealing rings (7) is two, and the sealing rings (7) are respectively fitted on both sides of the first water pipe (1) and the second water pipe (11) near the interface.
6. A connector for plastic spiral wound reinforced pipe as described in claim 2, characterized in that: The lower surface of the clamp (3) located below the first water pipe (1) is fixedly connected to a support leg (9), and the lower surface of the support leg (9) is in contact with the ground.
7. A connector for plastic spiral wound reinforced pipe as described in claim 1, characterized in that: The inner wall of the clamp (3) is fixedly connected with an anti-slip baffle (12).