Line pipe pre-embedded protection device

Through the design of inner and outer pipe structures and arc-shaped channels of slides, the damage and cracking problems caused by wire tightening during the fixing process of PVC pipes are solved, and a simple and efficient connection method is achieved, which avoids damage to the inner pipe and improves installation convenience.

CN223218760UActive Publication Date: 2025-08-12CHINA CONSTR FIFTH ENG DIV CORP LTD
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Patent Information

Application Number
CN202422132028.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-30
Publication Date
2025-08-12
Estimated Expiration
2034-08-30

AI Technical Summary

Technical Problem

During the fixing process, existing PVC pipes are prone to damage or cracking due to wire tightening, and the fixing method is complicated and inconvenient.

Method used

It adopts an inner and outer pipe structure, with spacing between the inner and outer pipes, and a slide and an arc-shaped channel are provided on the inner wall of the outer pipe. A slider is provided outside the inner pipe, and the connection is achieved through the cooperation between the slider and the arc-shaped channel. The outer pipe serves as a support to bear the tightening force, and the inner pipe is buffered by a flexible pad.

Benefits of technology

It effectively avoids the damage and cracking of the inner pipe, and simplifies the connection operation of the inner and outer pipes and improves the installation efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a line pipe pre-embedded protection device, which belongs to the field of pipeline appliances and is characterized by comprising an inner pipe and an outer pipe, a space is reserved between the inner pipe and the outer pipe, a slide way is arranged on the inner wall of the outer pipe along the length direction of the outer pipe, and a plurality of arc-shaped channels connected with the slide way are arranged on the inner wall of the outer pipe. A plurality of sliding blocks corresponding to the arc-shaped channels are distributed on the outer portion of the inner pipe in the length direction of the inner pipe. The inner pipe has the advantages of being easy to manufacture and capable of effectively avoiding the problems of damage and cracking of the inner pipe.
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Description

Technical Field

[0001] The utility model belongs to the field of pipeline appliances, and more specifically relates to a wire pipe pre-buried protection device. Background Art

[0002] PVC piping is used throughout the building structure, from the ground floor slab upwards. When laying PVC piping, the connection between adjacent pipe sections is crucial, and adhesive bonding is commonly used to ensure smooth, gap-free joints and a strong, secure bond. Furthermore, to prevent the intrusion of foreign matter into the completed piping system, all PVC pipe ends are sealed with plastic.

[0003] During installation, PVC pipes are typically secured using a specific method: using thin steel wire to tightly bind the pipes to pre-installed steel reinforcement on both sides. However, this method carries potential risks. Directly tightening the pipes with steel wire can put unnecessary stress on the pipes as tightening increases, potentially causing damage or cracking. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the purpose of the present invention is to provide a wire pipe embedded protection device, which has the advantages of being simple to manufacture and can effectively avoid the problems of damage and cracking of the inner pipe.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A wire pipe embedded protection device includes an inner pipe and an outer pipe, wherein there is a distance between the inner pipe and the outer pipe, the inner wall of the outer pipe is provided with a slideway along its length, the inner wall of the outer pipe is provided with a plurality of arc-shaped channels connected to the slideway, and the outside of the inner pipe is distributed with a plurality of sliders corresponding to the arc-shaped channels along its length.

[0007] This solution offers at least the following advantages: First, the outer tube acts as a support, bearing some of the clamping force. Because there's a buffer space between the inner and outer tubes, the inner tube isn't directly subjected to pressure, effectively preventing breakage and cracking. Furthermore, connecting the inner and outer tubes is simple: simply align the slider with the guideway and insert it. Once inserted, rotate the inner and outer tubes to lock the slider into the curved channel, preventing separation.

[0008] The utility model is further configured as follows: one end of the arc-shaped channel away from the slideway is bent to form an anti-slip portion.

[0009] The advantage of this solution is at least that after the slider is inserted into the arc-shaped channel, the slider can be inserted into the anti-slip portion by moving the inner tube forward or backward to prevent accidental separation of the inner and outer tubes due to self-rotation.

[0010] The utility model is further configured as follows: a flexible pad is provided in the interval between the inner tube and the outer tube.

[0011] The advantage of this solution is at least that the flexible pad has a buffering effect, which can further prevent the problem of damage and cracking of the inner tube.

[0012] The utility model is further configured as follows: the sliding block protrudes from the outside of the flexible pad.

[0013] The advantage of this solution is at least that when the inner tube is inserted into the outer tube, there is still a gap between the flexible pad and the inner wall of the outer tube, so as to avoid the problem that the end of the flexible pad is stuck by the end wall of the outer tube.

[0014] The utility model is further configured as follows: the flexible pad is fixed to the inner tube.

[0015] The advantage of this solution is at least that it facilitates the flexible pad to enter the outer tube together with the inner tube.

[0016] The utility model is further configured such that: the flexible pad and the inner tube are bonded together by double-sided tape.

[0017] The advantages of this solution are at least that the double-sided tape is easy to operate, inexpensive, and readily available.

[0018] The utility model is further configured as follows: the flexible pad is a foam pad.

[0019] The advantage of this solution is at least that the foam pad is inexpensive and easily available.

[0020] The utility model is further configured as follows: the thickness of the flexible pad is 5-10 mm.

[0021] The advantages of this solution are at least that the buffering performance is ensured and the interference with the inner diameter of the inner tube can be reduced.

[0022] In summary, the present invention has at least the following advantages:

[0023] 1. By setting up inner and outer tubes and setting a gap between them, the inner and outer tubes are connected through slide rails, arc-shaped channels and sliders. Not only is the assembly of the inner and outer tubes simple, but the outer tube can also serve as a support to bear part of the clamping force. Moreover, since there is a gap between the inner and outer tubes to form a buffer space, the inner tube will not directly bear the pressure, which can effectively avoid the problem of inner tube damage and cracking;

[0024] 2. By setting the anti-slip part, after the slider is stuck in the arc-shaped channel, the inner tube can be moved forward or backward to lock the slider into the anti-slip part, so as to prevent the inner and outer tubes from rotating and causing accidental separation;

[0025] 3. By providing a flexible pad, the flexible pad acts as a buffer, which can further avoid the problem of damage and cracking of the inner tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is an overall schematic diagram of a preferred embodiment of the present utility model;

[0027] Figure 2 An exploded perspective view of a preferred embodiment of the present invention;

[0028] Figure 3 It is a cross-sectional perspective view of a preferred embodiment of the present invention.

[0029] Reference numerals: 1. inner tube; 2. outer tube; 3. slideway; 4. arc-shaped channel; 5. slider; 6. anti-slip portion; 7. flexible pad. DETAILED DESCRIPTION

[0030] The present invention will be described in further detail below with reference to the accompanying drawings.

[0031] A wire tube embedded protection device, referring to Figures 1 to 3 , including an inner tube 1 and an outer tube 2, both of which are PVC tubes. There is a spacing between the inner tube 1 and the outer tube 2, and this spacing is preferably 8-15mm. The inner wall of the outer tube 2 is provided with a slide 3 along its length, and the inner wall of the outer tube 2 is provided with a plurality of arc channels 4 connected with the slide 3. The center of the arc channel 4 is on the axis of the outer tube 2, and the arc channels 4 are preferably equidistant. The outside of the inner tube 1 is provided with a plurality of sliders 5 corresponding to the arc channels 4 along its length. The slider 5 is aligned with the slide 3 and inserted. After insertion, the inner and outer tubes 2 are rotated to clamp the slider 5 into the arc channel 4. The inner and outer tubes 2 are not easily separated. At this time, the outer tube 2 can serve as a support to bear part of the clamping force. Since there is a spacing between the inner and outer tubes 2 to form a buffer space, the inner tube 1 will not directly bear the pressure, which can effectively avoid the problem of damage and cracking of the inner tube 1.

[0032] To further prevent the inner tube 1 from separating from the outer tube 2, in some embodiments, the end of the arcuate channel 4 away from the slideway 3 is bent to form an anti-slip portion 6. After the slider 5 is inserted into the arcuate channel 4, the inner tube 1 can be moved forward or backward to engage the slider 5 in the anti-slip portion 6, thereby preventing the inner and outer tubes 2 from accidentally separating due to self-rotation.

[0033] In a preferred embodiment, a flexible pad 7 is positioned within the gap between the inner tube 1 and the outer tube 2. The flexible pad 7 can be a rubber pad, a silicone pad, or a sponge pad, preferably a foam pad, which is readily available and inexpensive. The thickness of the flexible pad 7 is slightly less than the gap between the inner tube 1 and the outer tube 2, and the thickness of the flexible pad 7 ranges from 5 to 10 mm. To facilitate insertion of the flexible pad 7 between the inner tube 1 and the outer tube 2, in some embodiments, the flexible pad 7 is secured to the inner tube 1. The flexible pad 7 and the inner tube 1 are preferably bonded together using double-sided tape, although glue, tape, or other similar methods may also be used.

[0034] In the embodiment with the flexible pad 7, the slider 5 protrudes from the outside of the flexible pad 7. Preferably, when the inner tube 1 is inserted into the outer tube 2, there is still a gap between the flexible pad 7 and the inner wall of the outer tube 2 to avoid the problem that the end of the flexible pad 7 is stuck by the end wall of the outer tube 2.

[0035] The working process and beneficial effects of the present invention are as follows: the outer tube 2 can serve as a support to bear part of the tightening force, and since there is a gap between the inner and outer tubes 2 to form a buffer space, the inner tube 1 will not directly bear the pressure, which can effectively avoid the problem of damage and cracking of the inner tube 1.

[0036] In addition, the assembly of the inner tube 1 and the outer tube 2 is very convenient. The inner and outer tubes 2 can be connected by using the slide rail and the slider 5, and the slider 5 can be moved through the arc channel 4 to the anti-slip portion 6 to achieve the clamping connection between the inner and outer tubes 2.

[0037] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the design concept of the present invention should be included in the scope of protection of the present invention.

Claims

1. A wire conduit embedded protection device, characterized by: The invention comprises an inner tube (1) and an outer tube (2), wherein a distance is provided between the inner tube (1) and the outer tube (2), a slideway (3) is provided on the inner wall of the outer tube (2) along its length direction, a plurality of arc-shaped channels (4) connected to the slideway (3) are provided on the inner wall of the outer tube (2), and a plurality of sliders (5) corresponding to the arc-shaped channels (4) are distributed on the outside of the inner tube (1) along its length direction.

2. The wire conduit embedded protection device according to claim 1, characterized in that: One end of the arc-shaped channel (4) away from the slideway (3) is bent to form an anti-slip portion (6).

3. The wire conduit embedded protection device according to claim 2, characterized in that: A flexible pad (7) is provided in the space between the inner tube (1) and the outer tube (2).

4. The wire conduit embedded protection device according to claim 3, characterized in that: The slider (5) protrudes from the outside of the flexible pad (7).

5. The wire conduit embedded protection device according to claim 3, characterized in that: The flexible pad (7) is fixed to the inner tube (1).

6. The wire conduit embedded protection device according to claim 5, characterized in that: The flexible pad (7) and the inner tube (1) are bonded together by double-sided adhesive tape.

7. The wire conduit embedded protection device according to claim 3, characterized in that: The flexible pad (7) is a foam pad.

8. The wire conduit embedded protection device according to claim 3, characterized in that: The thickness of the flexible pad (7) is 5-10 mm.