PVC cable conduit
Patent Information
- Application Number
- CN202521287779.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-23
- Publication Date
- 2026-08-21
- Estimated Expiration
- 2035-06-23
AI Technical Summary
[0002]PVC电缆导主要为了可以方便铺设电缆用的,现有PVC电缆导管接头主要采用以下两种方式,采用胶水粘接,通过溶剂胶水将管材端面粘合,但是存在固化时间长、粘接强度低,易受地下水浸泡导致脱胶、耐化学腐蚀性差等问题,采用弹性密封圈连接,在管材端部设置橡胶密封圈,通过承插方式压紧密封,但现有设计中密封圈易因长期挤压变形失效,导致接头处松动脱落,使得现有使用的PVC电缆导管使用过程中不能够方便稳定的连接使用,并且使用的过程中PVC电缆导管易腐蚀损坏使用寿命低,因此需要一种装置来解决上述的问题
本实用新型通过插接定位、连接卡板与U型锁死连接框的插接配合以及螺栓的机械锁紧,实现了PVC电缆导管间快速、牢固且稳定的连接,使得PVC电缆导管间连接方便稳定牢固,同时PVC电缆导管外部的玻璃纤维增强层提升了机械强度,聚乙烯防腐蚀层提供了优异的耐候和防腐保护,共同保障了导管系统在恶劣环境下的长期可靠运行。
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Figure CN224669390U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of PVC cable conduit technology, specifically a PVC cable conduit. Background Technology
[0002] PVC cable conduits are mainly used for convenient cable laying. Existing PVC cable conduit joints primarily employ two methods: adhesive bonding, where solvent-based adhesives are used to bond the pipe ends, but this method suffers from long curing times, low bond strength, susceptibility to groundwater immersion leading to delamination, and poor chemical corrosion resistance; and elastic sealing ring connection, where a rubber sealing ring is placed at the pipe end and sealed by a socket joint. However, in existing designs, the sealing ring is prone to deformation and failure due to long-term compression, leading to loosening and detachment at the joint. This makes the existing PVC cable conduits unsuitable for convenient and stable connection during use. Furthermore, PVC cable conduits are susceptible to corrosion and damage during use, resulting in a short service life. Therefore, a device is needed to solve these problems. Utility Model Content
[0003] The purpose of this utility model is to provide a PVC cable conduit to solve the problems mentioned in the background art.
[0004] To achieve the above objectives, this utility model provides the following technical solution: a PVC cable conduit, comprising a first PVC cable conduit, a second PVC cable conduit, an anti-corrosion layer, and a reinforcing layer, wherein the reinforcing layer is disposed outside the first PVC cable conduit, the anti-corrosion layer is disposed outside the reinforcing layer, the anti-corrosion layer is made of polyethylene, and the anti-corrosion layer is made of glass fiber.
[0005] A PVC cable conduit further includes a first connecting end and a second connecting end. A U-shaped locking connecting frame is uniformly fixedly installed on the first connecting end. A connecting slot is provided on the U-shaped locking connecting frame. A fixing locking bolt is symmetrically threaded into the U-shaped locking connecting frame. A connecting plate is uniformly fixedly installed on the second connecting end. Threaded holes are symmetrically opened through the connecting plate.
[0006] Preferably, the connecting plate is adapted to the connecting slot.
[0007] Preferably, the second connection end is adapted to the insertion slot provided inside the first connection end.
[0008] Preferably, the fixing locking bolt is adapted to the threaded hole.
[0009] Preferably, the second connecting end in the first PVC cable conduit is inserted into the first connecting end in the second PVC cable conduit.
[0010] Compared with the prior art, the beneficial effects of this utility model are as follows: This invention achieves a fast, firm, and stable connection between PVC cable conduits through plug-in positioning, the plug-in cooperation of the connecting plate and the U-shaped locking connecting frame, and the mechanical tightening of bolts. This makes the connection between PVC cable conduits convenient, stable, and secure. At the same time, the glass fiber reinforcement layer on the outside of the PVC cable conduit improves the mechanical strength, and the polyethylene anti-corrosion layer provides excellent weather resistance and anti-corrosion protection, which together ensure the long-term reliable operation of the conduit system in harsh environments. Attached Figure Description
[0011] Figure 1 This is a schematic diagram of the main three-dimensional structure of the present utility model; Figure 2 This is a schematic diagram of the PVC cable conduit end structure in this utility model; Figure 3 This is a side-view three-dimensional structural diagram of the PVC cable conduit end in this utility model; Figure 4 This is a schematic diagram of the external structure of the PVC cable conduit in this utility model.
[0012] In the figure: 1-First PVC cable conduit, 2-Second PVC cable conduit, 3-Fixing locking bolt, 4-U-shaped locking connection frame, 5-Connecting slot, 6-First connecting end, 7-Threaded hole, 8-Connecting plate, 9-Second connecting end, 10-Anti-corrosion layer, 11-Reinforcing layer. Detailed Implementation
[0013] 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.
[0014] Please see Figure 1-4 The present invention provides an embodiment of a PVC cable conduit, comprising a first PVC cable conduit 1, an anti-corrosion layer 10, and a reinforcing layer 11. The reinforcing layer 11 is disposed outside the first PVC cable conduit 1, and the anti-corrosion layer 10 is disposed outside the reinforcing layer 11. The anti-corrosion layer 10 is made of polyethylene and glass fiber. The first PVC cable conduit 1 and the second PVC cable conduit 2 have the same structure.
[0015] A PVC cable conduit further includes a first connecting end 6 and a second connecting end 9. A U-shaped locking connecting frame 4 is uniformly fixedly installed on the first connecting end 6. A connecting slot 5 is provided on the U-shaped locking connecting frame 4. A fixing locking bolt 3 is symmetrically threaded into the U-shaped locking connecting frame 4. A connecting plate 8 is uniformly fixedly installed on the second connecting end 9. A threaded hole 7 is symmetrically opened through the connecting plate 8.
[0016] The connecting plate 8 is adapted to the connecting slot 5, which serves to quickly and stably lock and limit the connection.
[0017] The second connecting end 9 is adapted to the insertion slot inside the first connecting end 6, which can achieve preliminary docking.
[0018] The locking bolt 3 is compatible with the threaded hole 7, which can be tightened and then inserted to lock the bolt in place.
[0019] The second connecting end 9 in the first PVC cable conduit 1 is inserted into the first connecting end 6 in the second PVC cable conduit 2.
[0020] Working principle: Align the first connecting end 6 of one PVC cable conduit (i.e., the first PVC cable conduit 1) with the second connecting end 9 of another PVC cable conduit (i.e., the second PVC cable conduit 2). Insert the second connecting end 9 axially into the pre-set insertion slot inside the first connecting end 6, thus achieving initial positioning and alignment between the conduits. Simultaneously with the insertion, the connecting plate 8 fixedly installed on the second connecting end 9 will be inserted into the corresponding connecting slot 5 of the U-shaped locking connecting frame 4 on the first connecting end 6. After confirming that the connecting plate 8 is fully inserted into the connecting slot 5, use a tool such as a wrench to tighten the fixing locking bolts 3 that have been pre-passed through both sides of the U-shaped locking connecting frame 4. The threaded end of the fixing locking bolt 3 will screw into the corresponding threaded hole 7 on the connecting plate 8. In this system, the U-shaped locking connecting frame 4 and the connecting plate 8 are locked together by the fixing locking bolts 3, pressing them tightly together to form a strong rigid connection. This securely locks the two PVC cable conduits in the connected state. The reinforcing layer 11 on the outside of the PVC cable conduit is made of glass fiber and wraps around the outside of the PVC conduit body, significantly improving the overall mechanical strength, impact resistance, and compressive strength of the conduit, making it less prone to damage and deformation during construction and service. The anti-corrosion layer 10 on the outside of the PVC cable conduit is made of polyethylene and serves as the outermost cover, providing excellent chemical corrosion resistance, such as resistance to acids, alkalis, and salts, as well as good waterproof sealing. This effectively solves the problem of traditional PVC conduits being easily corroded and aged in complex underground environments, and greatly extends the overall service life of the cable conduit system.
[0021] 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 PVC cable conduit, comprising a first PVC cable conduit (1), a second PVC cable conduit (2), an anti-corrosion layer (10), and a reinforcing layer (11), characterized in that: The reinforcing layer (11) is disposed outside the first PVC cable conduit (1) and the second PVC cable conduit (2), and the anti-corrosion layer (10) is disposed outside the reinforcing layer (11). The anti-corrosion layer (10) is made of polyethylene and glass fiber.
2. A PVC cable conduit according to claim 1, characterized in that: It also includes a first connecting end (6), a second connecting end (9) and a fixing locking bolt (3). A U-shaped locking connecting frame (4) is uniformly fixed on the first connecting end (6). A connecting slot (5) is provided on the U-shaped locking connecting frame (4). The fixing locking bolt (3) is symmetrically threaded into the U-shaped locking connecting frame (4). A connecting plate (8) is uniformly fixed on the second connecting end (9). A threaded hole (7) is symmetrically opened through the connecting plate (8).
3. A PVC cable conduit according to claim 2, characterized in that: The connecting plate (8) is adapted to the connecting slot (5).
4. A PVC cable conduit according to claim 3, characterized in that: The second connection end (9) is adapted to the insertion slot provided inside the first connection end (6).
5. A PVC cable conduit according to claim 4, characterized in that: The fixing locking bolt (3) is adapted to the threaded hole (7).
6. A PVC cable conduit according to claim 5, characterized in that: The second connecting end (9) in the first PVC cable conduit (1) is inserted into the first connecting end (6) in the second PVC cable conduit (2).