Drainage hole PVC (polyvinyl chloride) pipe with anti-seepage sealing structure

By designing a combination of extrusion sealing components and sealing rings at the PVC pipe joints, the leakage problem caused by thermal expansion and contraction is solved, achieving higher sealing performance and stability.

CN223881909UActive Publication Date: 2026-02-06QINGDAO XINWANTONG PLASTIC IND
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Patent Information

Application Number
CN202520819635.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-28
Publication Date
2026-02-06
Estimated Expiration
2035-04-28

AI Technical Summary

Technical Problem

Existing PVC pipe connections are experiencing leakage due to the displacement of the sealing ring caused by thermal expansion and contraction.

Method used

The design of the drain hole PVC pipe with a leak-proof sealing structure includes a connecting pipe, a connecting sleeve, a compression sealing component, an outer layer, a spring, an inner sealing layer, and a sealing ring. The spring and inner sealing layer of the compression sealing component are attached to the outer surface of the connecting pipe, and the design of the sealing ring and sealing ring improves the sealing performance of the connection.

Benefits of technology

It effectively prevents liquid leakage at the connection, improves the sealing and stability of the pipe connection, and reduces sealing failure caused by thermal expansion and contraction.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of PVC pipes, in particular to a drain hole PVC pipe with an anti-leakage sealing structure, which comprises two pipeline bodies, a connecting pipe is arranged on one side of one pipeline body, a first sealing ring is arranged on the outer surface wall of the connecting pipe, a connecting sleeve is arranged on one side of the other pipeline body, and a second sealing ring is arranged on the outer surface wall of the connecting pipe. An insertion pipe is arranged on one side of the interior of the connecting sleeve, and an extrusion sealing assembly is arranged on the inner surface wall of the connecting sleeve. The sealing device has the beneficial effects that an inner sealing layer can be extruded to be attached and sealed to the outer surface of a connecting pipe by extruding a plurality of elastic pieces in an outer sleeve layer on the sealing assembly, so that the connecting pipe can be inserted into a connecting sleeve to be fixed to an insertion pipe, sealing treatment can be conducted, and when the interior shifts, the attached surface can be sealed; therefore, liquid leakage at the joint can be prevented as much as possible.
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Description

TECHNICAL FIELD

[0001] The utility model relates to PVC pipe technical field especially, it is a drain hole PVC pipe with anti -leakage sealing structure. BACKGROUND

[0002] PVC pipe (polyvinyl chloride pipe) is a kind of common plastic pipe material, with polyvinyl chloride as main component, has many excellent properties and extensive application scene.

[0003] But in the prior art, the existing PVC pipe connection sealing is mainly completed by sealing ring to seal fixed, but this can cause displacement due to thermal expansion and contraction, thereby causing the connection leakage of liquid to appear. UTILITY MODEL CONTENT

[0004] The utility model provides a drain hole PVC pipe with anti -leakage sealing structure, solve the above described PVC pipe connection rely on sealing ring due to thermal expansion and contraction and cause displacement, thereby causing the connection leakage of liquid to appear structural technical problem.

[0005] The utility model solves the technical problem that the scheme is as follows: a drain hole PVC pipe with anti -leakage sealing structure, including two pipeline bodies, one side of one of the pipeline bodies is provided with a connecting pipe, the outer surface wall of the connecting pipe is provided with a sealing ring, one side of the other pipeline body is provided with a connecting sleeve, the connecting sleeve is provided with a plug pipe, and the inner surface wall of the connecting sleeve is provided with an extrusion sealing assembly.

[0006] The utility model has the advantages that the pipeline body can conveniently play the role of supporting transmission, the connecting pipe and the sealing ring can be inserted into the inside of the connecting sleeve, the connecting sleeve can store the plug pipe, and the extrusion sealing assembly can improve the sealing property of the connecting portion.

[0007] On the basis of the above technical scheme, the utility model can also be improved as follows.

[0008] Further, the extrusion sealing assembly includes an outer sleeve layer, and the outer sleeve layer is arranged on the inner surface wall of the connecting sleeve.

[0009] The beneficial effects of the above further scheme are that the outer sleeve layer can conveniently support the elastic sheet.

[0010] Further, the inner surface wall of the outer sleeve layer is provided with an elastic sheet, the elastic sheet is provided in a plurality of, and the plurality of elastic sheets are arranged on the inner surface wall of the outer sleeve layer in a circular equidistant array.

[0011] The beneficial effects of the above further scheme are that the elastic sheet can push the inner sealing layer to be extruded and attached on the connecting pipe by using elasticity.

[0012] Further, the inner sealing layer is arranged between the plurality of elastic sheets.

[0013] The inner sealing layer can increase the sealing performance, and the sealing ring can improve the sealing performance of the connecting sleeve.

[0014] Further, the connecting sleeve and the sealing ring are provided with a plurality of mounting holes.

[0015] The mounting holes can facilitate the screwing of the bolts.

[0016] Further, the inner wall of the sealing ring is provided with a second sealing ring.

[0017] The second sealing ring can be sealed in the sealing ring.

[0018] The plurality of elastic sheets in the outer sleeve layer can be pressed to adhere the inner sealing layer to the outer surface of the connecting pipe, so that the connecting pipe can be inserted into the connecting sleeve and fixed, and the sealing treatment can be performed, and the surface can be adhered and sealed when the internal displacement occurs, so that the leakage of liquid at the connection can be prevented as much as possible.

[0019] The above description is only a summary of the technical scheme of the present application, in order to more clearly understand the technical means of the present application, and the content of the specification can be implemented, the following preferred embodiments of the present application and the accompanying drawings are described in detail. The specific embodiments of the present application are described in detail by the following embodiments and their accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0020] The accompanying drawings described herein are used to provide a further understanding of the present application, and form a part of the present application, the schematic embodiments of the present application and their description are used to explain the present application, and do not constitute an improper limitation on the present application. In the drawings:

[0021] Figure 1 A three-dimensional view of a drain hole PVC pipe with a leakage prevention sealing structure is provided for the present application;

[0022] Figure 2 A side view of a drain hole PVC pipe with a leakage prevention sealing structure is provided for the present application;

[0023] Figure 3 A three-dimensional view of a drain hole PVC pipe with a leakage prevention sealing structure is provided for the present application; Figure 2 A three-dimensional view of a drain hole PVC pipe with a leakage prevention sealing structure is provided for the present application;

[0024] Legend:

[0025] 1. Pipe body; 2. Connecting pipe; 3. No. 1 sealing ring; 4. Connecting sleeve; 5. Insert pipe; 6. Compression sealing assembly; 61. Outer layer; 62. Spring; 63. Inner sealing layer; 64. Sealing ring; 65. Installation port; 66. No. 2 sealing ring. Detailed Implementation

[0026] The following is in conjunction with the appendix Figures 1-3 The principles and features of this utility model are described below. The examples given are for illustrative purposes only and are not intended to limit the scope of this utility model. The utility model is described more specifically in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of this utility model will become clearer from the following description and claims. It should be noted that the drawings are in a very simplified form and use non-precise proportions, and are only used to facilitate and clarify the illustration of the embodiments of this utility model.

[0027] Example 1

[0028] like Figures 1-3 As shown, the present invention discloses a PVC drain hole pipe with a leak-proof sealing structure, comprising two pipe bodies 1. One pipe body 1 is provided with a connecting pipe 2 on one side, and a No. 1 sealing ring 3 is provided on the outer wall of the connecting pipe 2. The other pipe body 1 is provided with a connecting sleeve 4 on one side, and an insert pipe 5 is provided on the inner side of the connecting sleeve 4. A compression sealing component 6 is provided on the inner surface wall of the connecting sleeve 4.

[0029] Example 2

[0030] like Figures 1-3 As shown, the compression sealing assembly 6 includes an outer layer 61, which is disposed on the inner surface wall of the connecting sleeve 4. The inner surface wall of the outer layer 61 is provided with spring pieces 62, and multiple spring pieces 62 are disposed in a circular equidistant array on the inner surface wall of the outer layer 61. An inner sealing layer 63 is provided between one side of each of the multiple spring pieces 62, and a sealing ring 64 is provided on one side of the connecting sleeve 4.

[0031] In this embodiment, the outer layer 61 can easily support the spring sheet 62, and the spring sheet 62 can use its elasticity to push the inner sealing layer 63 to press and adhere to the connecting pipe 2. The inner sealing layer 63 can increase the sealing performance, and the sealing ring 64 can easily improve the internal sealing performance of the connecting sleeve 4.

[0032] Example 3

[0033] like Figures 1-3 As shown, multiple mounting ports 65 are provided between one side of the connecting sleeve 4 and the sealing ring 64, and a second sealing ring 66 is provided on the inner surface of the sealing ring 64.

[0034] In this embodiment, the mounting port 65 can facilitate the bolt to be screwed through, and the second sealing ring 66 can be sealed to the inside of the sealing ring 64.

[0035] Working principle:

[0036] When the sealing treatment is needed, the connecting pipe 2 on the two pipe bodies 1 is inserted into the inside of the connecting sleeve 4 and the insertion pipe 5 is connected and fixed, the outer sleeve layer 61 and the plurality of elastic sheets 62 on the extrusion sealing assembly 6 can be extruded to fix and adhere to the outer surface wall of the insertion pipe 5 and the connecting pipe 2, the first sealing ring 3 can be used for one side sealing treatment, the mounting port 65 on the connecting sleeve 4 and the sealing ring 64 can be used for bolt fixation, the second sealing ring 66 can be used for sealing treatment inside the sealing ring 64, and the surface can be adhered and sealed when the inside is displaced, so that the liquid leakage at the connection can be prevented as much as possible.

[0037] The above is only a preferred embodiment of the present application, and does not limit the present application in any form; any ordinary technical personnel in the industry can implement the present application according to the above description and the drawings; however, any equivalent changes, modifications and evolution made by the skilled in the art without departing from the technical scheme of the present application, using the above disclosed technical content, are equivalent embodiments of the present application; at the same time, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present application are still within the protection scope of the technical scheme of the present application.

Claims

1. A drain hole PVC pipe with anti-leakage sealing structure, comprising two pipe bodies (1), characterized in that: One side of the pipeline body (1) is provided with a connecting pipe (2), the outer wall of the connecting pipe (2) is provided with a sealing ring (3), and the other side of the pipeline body (1) is provided with a connecting sleeve (4), the inner side of the connecting sleeve (4) is provided with a plug pipe (5), and the inner wall of the connecting sleeve (4) is provided with an extrusion sealing assembly (6).

2. A drain PVC pipe with anti-leakage sealing structure according to claim 1, characterized in that: The extrusion sealing assembly (6) comprises an outer sleeve layer (61), which is arranged on the inner wall of the connecting sleeve (4).

3. A drain PVC pipe with anti-leakage sealing structure according to claim 2, characterized in that: The inner wall of the outer sleeve layer (61) is provided with elastic sheets (62), and the elastic sheets (62) are provided in a plurality of circular equidistant arrays on the inner wall of the outer sleeve layer (61).

4. A weep hole PVC pipe with anti-leakage sealing structure according to claim 3, characterized in that: The inner wall of the outer sleeve layer (61) is provided with elastic sheets (62), and the elastic sheets (62) are provided in a plurality of circular equidistant arrays on the inner wall of the outer sleeve layer (61).

5. A drain PVC pipe with anti-leakage sealing structure according to claim 1, characterized in that: The inner wall of the outer sleeve layer (61) is provided with elastic sheets (62), and the elastic sheets (62) are provided in a plurality of circular equidistant arrays on the inner wall of the outer sleeve layer (61).

6. A weep hole PVC pipe with anti-leakage sealing structure according to claim 4, characterized in that: The inner wall of the outer sleeve layer (61) is provided with elastic sheets (62), and the elastic sheets (62) are provided in a plurality of circular equidistant arrays on the inner wall of the outer sleeve layer (61). The inner wall of the outer sleeve layer (61) is provided with elastic sheets (62), and the elastic sheets (62) are provided in a plurality of circular equidistant arrays on the inner wall of the outer sleeve layer (61).