CPVC power cable protection pipe

Abstract

The utility model provides a CPVC power cable protection tube relates to cable technical field, including the pipe body for protecting cable, the pipe body includes first pipe body and second pipe body still includes the butt joint pipe, butt joint pipe sets up between first pipe body and second pipe body, the both sides of butt joint pipe are opened in the slot respectively, and first pipe body and second pipe body are inserted respectively and installed in the both sides slot of butt joint pipe, fixed assembly, fixed assembly includes screw rod, and screw rod main part passes through the butt joint pipe outer wall and first pipe body and butt joint pipe inner wall is screwed. Through above -mentioned technical scheme, its purpose lies in using the both sides slot of butt joint pipe to realize the initial centering and spacing of two pipe ends, subsequently through the screwing single screw rod makes it penetrate butt joint pipe and internal pipe body, and the screw rod is screwed in radial pressure, forces the elastic deformation of butt joint pipe wall to hold the both sides pipe body simultaneously, realizes quick, reliable single point fastening, avoids the complicated operation of needing to align respectively in traditional double -clip type fixation completely.

Description

Technical Field

[0001] This utility model relates to the field of cable technology, and in particular to a CPVC power cable protection pipe. Background Technology

[0002] CPVC (chlorinated polyvinyl chloride) is a high-performance thermoplastic obtained by chlorination modification of polyvinyl chloride (PVC). It has excellent heat resistance, corrosion resistance, mechanical strength and flame retardancy. The long-term operating temperature can reach above 90°C. It is widely used in chemical pipelines, fire sprinklers, industrial water treatment and high-temperature fluid transportation systems. It is an ideal upgrade material for traditional PVC. CPVC power cable protection pipe is a high-performance buried cable conduit made of chlorinated polyvinyl chloride resin. It has heat resistance, flame retardancy and self-extinguishing properties, compressive strength, insulation and corrosion resistance far exceeding those of ordinary PVC pipes. It can withstand high temperatures and harsh soil environments for a long time, effectively isolate cables from external damage and chemical corrosion, and ensure the safe and stable transmission of power and its long service life.

[0003] When connecting traditional protective pipes, construction workers often need to rely on two separate arc-shaped clamps for fixation, which has significant drawbacks: The operator must simultaneously ensure the precise alignment of the axes of the two pipes to be connected, as well as the circumferential positioning and alignment of the two clamps on both sides. This not only requires a high degree of coordination among multiple people, but also makes manual adjustment difficult and prone to deviation, resulting in misalignment or stress concentration in the pipes after tightening. Furthermore, the cumbersome steps and low efficiency seriously affect the installation quality and progress. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a CPVC power cable protection pipe, comprising a pipe body for protecting the cable, the pipe body including a first pipe body and a second pipe body, and a connecting pipe, the connecting pipe being disposed between the first pipe body and the second pipe body, with slots respectively opened on both sides of the connecting pipe, the first pipe body and the second pipe body being respectively inserted into the slots on both sides of the connecting pipe; a fixing component, the fixing component including a screw, the main body of the screw passing through the outer wall of the connecting pipe and the first pipe body and screwed to the inner wall of the connecting pipe, realizing a quick docking and fixing operation.

[0006] In at least some embodiments, the first tube body includes an outer tube, and an inner tube is fixedly connected inside the outer tube by a plurality of connecting plates. The outer tube, connecting plates and inner tube are integrally formed.

[0007] In at least some embodiments, several insert plates are fixedly connected to the slots on both sides of the connecting pipe, and the outer pipe, connecting plate and inner pipe support are formed with several cavities, and the insert plates fit into the cavities.

[0008] In at least some embodiments, the insert plate has a screw hole on its outside, and the screw passes through the outer tube and the first tube body to be screwed into the screw hole on the outside of the insert plate. Rotating the screw drives the insert plate to cooperate with the connecting tube to clamp and fix the outer tube.

[0009] In at least some embodiments, through holes are provided on both sides of the outer tube, and the screw passes through the through holes and is screwed to the insert plate.

[0010] In at least some embodiments, a groove is provided inside the connecting pipe, and a limiting block fixed outside the screw is slidably connected to the groove.

[0011] Compared with the prior art, the advantages and positive effects of this utility model are as follows: In this invention, by inserting the ends of the first and second pipe bodies into prefabricated slots on both sides of the connecting pipe, the guiding and constraining effect of the slots automatically completes the initial alignment and circumferential positioning of the two pipe axes, laying the foundation for subsequent fixing. Next, the crucial tightening operation is completed by a single screw. This screw penetrates from the outside of the connecting pipe, and its threaded section engages with a threaded hole on the inner wall of the other side of the connecting pipe. When the screw is tightened, the tension generated at the screw head forces the local area of ​​the connecting pipe through which the screw passes—that is, its pipe wall—to undergo controllable elastic deformation inward. This inwardly protruding pipe wall acts like a built-in clamp, simultaneously applying a uniform and powerful radial clamping force to the outer wall of the first pipe body inserted inside. Ultimately, through a single operation of one component, the two pipes are synchronously, quickly, and firmly fixed within the connecting pipe, greatly improving installation efficiency and connection reliability. Attached Figure Description

[0012] Figure 1 This utility model provides a three-dimensional structural schematic diagram of a CPVC power cable protection pipe. Figure 2 This utility model provides a three-dimensional structural schematic diagram of the overall cross-section of a CPVC power cable protection pipe; Figure 3 This utility model provides a three-dimensional structural diagram of an overall explosion in a CPVC power cable protection pipe; Figure 4 This utility model presents a three-dimensional structural diagram of a butt joint in a CPVC power cable protection pipe.

[0013] Legend: 1. First tube body; 2. Second tube body; 3. Connecting tube; 4. Slot; 5. Fixing assembly; 101. Outer tube; 102. Inner tube; 103. Connecting plate; 104. Cavity; 105. Through hole; 501. Screw; 502. Limiting block; 503. Slide groove; 504. Insert plate; 505. Screw hole. Detailed Implementation

[0014] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0015] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0016] Example, according to Figures 1-4 As shown in the figure, the present invention provides a CPVC power cable protection pipe, including a pipe body for protecting the cable, the pipe body including a first pipe body 1 and a second pipe body 2, and a connecting pipe 3, which is disposed between the first pipe body 1 and the second pipe body 2. The connecting pipe 3 has slots 4 on both sides, and the first pipe body 1 and the second pipe body 2 are respectively inserted into the slots 4 on both sides of the connecting pipe 3; and a fixing component 5, which includes a screw 501. The main body of the screw 501 passes through the outer wall of the connecting pipe 3 and the first pipe body 1 and is screwed to the inner wall of the connecting pipe 3 to realize a quick docking and fixing operation.

[0017] The aforementioned CPVC power cable protection pipe firstly inserts the ends of the first pipe body 1 and the second pipe body 2 into the prefabricated slots 4 on both sides of the connecting pipe 3. The guiding and constraining effect of the slots 4 automatically completes the initial alignment and circumferential positioning of the two pipe axes, laying the foundation for subsequent fixing. Next, the crucial tightening operation is completed by a single screw 501. This screw 501 penetrates from the outside of the connecting pipe 3, and its threaded section engages with the threaded hole on the inner wall of the connecting pipe 3 on the other side. When the screw 501 is tightened, the tension generated by the head of the screw 501 forces a local area of ​​the connecting pipe 3 through which the screw 501 passes, i.e., its pipe wall, to undergo controllable elastic deformation inward. This inwardly protruding pipe wall acts like a built-in clamp, thereby simultaneously applying a uniform and strong radial clamping force to the outer wall of the first pipe 1 inserted inside. Finally, through a single operation of a single component, the synchronous, rapid, and secure fixing of the two pipes within the connecting pipe 3 is achieved. In this embodiment, the first tube body 1 includes an outer tube 101. An inner tube 102 is fixedly connected inside the outer tube 101 by several connecting plates 103. The outer tube 101, connecting plates 103 and inner tube 102 are integrally formed. Several insert plates 504 are fixedly connected to the slots 4 on both sides of the connecting tube 3. The outer tube 101, connecting plates 103 and inner tube 102 support members are formed with several cavities 104. The insert plates 504 fit into the cavities 104. The insert plates 504 have screw holes 505 on the outside. The screw 501 passes through the outer tube 101, the first tube body 1 and the screw hole 505 on the outside of the insert plate 504. Rotating the screw 501 drives the insert plate 504 to cooperate with the connecting tube 3 to clamp and fix the outer tube 101.

[0018] By precisely inserting the insert plates 504 on both sides of the connecting pipe 3 into the cavity 104 integrally formed between the outer tube 101 and the inner tube 102 of the first tube body 1, preliminary axial alignment and circumferential positioning are achieved. When the screw 501 is rotated, the screw 501 passes through the wall of the outer tube 101 and the cavity 104 in sequence, and finally engages with the screw hole 505 on the insert plate 504. As the screw 501 is continuously screwed in, the axial tensile force generated pulls the insert plate 504 toward the outer tube 101. At the same time, the wall of the connecting tube 3 acts as a fulcrum of the reaction force, so that the insert plate 504 and the inner wall of the connecting tube 3 form a strong clamping force, thereby achieving bidirectional clamping and fixing of the outer tube 101 of the first tube body 1. This process utilizes the integrally molded cavity 104 structure to achieve effective force transmission. The operation of a single screw 501 can simultaneously complete the centering and tightening, significantly improving installation efficiency and connection reliability.

[0019] In this embodiment, through holes 105 are provided on both sides of the outer tube 101. The screw 501 passes through the through holes 105 and is screwed to the insert plate 504. A sliding groove 503 is provided inside the connecting tube 3. The limiting block 502 fixed outside the screw 501 is slidably connected to the sliding groove 503.

[0020] During the process of screw 501 passing through the through hole 105 of the outer tube 101 and being screwed into the insert plate 504, the externally fixed limiting block 502 is simultaneously embedded in the sliding groove 503 on the inner wall of the connecting tube 3. The sliding groove 503 constrains the rotation and axial movement of the limiting block 502, ensuring that the screw 501 moves along the predetermined trajectory without deviating when screwing, and preventing the screw 501 from accidentally falling out of the through hole 105 through mechanical interference before and after installation, thus achieving self-locking and anti-loss.

[0021] The working principle of this utility model is as follows: By inserting the ends of the first pipe body 1 and the second pipe body 2 into the prefabricated slots 4 on both sides of the connecting pipe 3, the guiding and constraining effect of the slots 4 automatically completes the initial alignment and circumferential positioning of the two pipe axes, laying the foundation for subsequent fixing; then, the key fastening operation is completed by a single screw 501. The screw 501 is inserted from the outside of the connecting pipe 3, and its threaded section engages with the threaded hole on the inner wall of the other side of the connecting pipe 3. When the screw 501 is tightened, the tension generated by the head of the screw 501 will force the local area of ​​the connecting pipe 3 through which the screw 501 passes, that is, its pipe wall, to undergo controllable elastic deformation inward. This part of the inward protruding pipe wall is like a built-in clamp, thereby simultaneously applying a uniform and strong radial clamping force to the outer wall of the first pipe body 1 inserted inside. Finally, the two pipes are synchronously, quickly and firmly fixed in the connecting pipe 3 through a single operation of a single component.

[0022] The above are merely preferred embodiments of this utility model and are not intended to limit the utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of this utility model without departing from the technical solution of this utility model shall still fall within the protection scope of this utility model.

Claims

1. A CPVC power cable protection pipe, comprising a pipe body for protecting the cable, the pipe body comprising a first pipe body (1) and a second pipe body (2), characterized in that, Also includes: The connecting pipe (3) is disposed between the first pipe body (1) and the second pipe body (2). Slots (4) are respectively opened on both sides of the connecting pipe (3). The first pipe body (1) and the second pipe body (2) are respectively inserted into the slots (4) on both sides of the connecting pipe (3). The fixing component (5) includes a screw (501), the main body of which passes through the outer wall of the connecting pipe (3) and the first pipe body (1) and is screwed to the inner wall of the connecting pipe (3) to realize the recommended quick docking and fixing operation.

2. The CPVC power cable protection pipe according to claim 1, characterized in that: The first tube body (1) includes an outer tube (101), and an inner tube (102) is fixedly connected inside the outer tube (101) by a plurality of connecting plates (103). The outer tube (101), the connecting plates (103) and the inner tube (102) are integrally formed.

3. The CPVC power cable protection pipe according to claim 2, characterized in that: The slots (4) on both sides of the connecting tube (3) are respectively fixedly connected with several insert plates (504). The outer tube (101), connecting plate (103) and inner tube (102) support members are formed with several cavities (104). The insert plates (504) fit into the cavities (104).

4. A CPVC power cable protection pipe according to claim 3, characterized in that: The insert plate (504) has a screw hole (505) on its outside. The screw (501) passes through the outer tube (101) and the first tube body (1) and is screwed to the screw hole (505) on the outside of the insert plate (504). Rotating the screw (501) drives the insert plate (504) to cooperate with the connecting tube (3) to clamp and fix the outer tube (101).

5. A CPVC power cable protection pipe according to claim 3, characterized in that: The outer tube (101) has through holes (105) on both sides, and the screw (501) passes through the through holes (105) and is screwed to the insert plate (504).

6. A CPVC power cable protection pipe according to claim 1, characterized in that: The connecting pipe (3) has a sliding groove (503) inside, and the limiting block (502) fixed outside the screw (501) is slidably connected to the sliding groove (503).

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