Environment-friendly PE pipe joint sealing structure

By designing components such as sealant blocks, threaded connections and push springs at the connections of PE pipe fittings, effective sealing and support of the pipe interface is achieved, solving the problems of easy breakage and leakage at the connections, and improving the sealing effect and stability.

CN222992412UActive Publication Date: 2025-06-17SHIJIAZHUANG XINGQUAN PIPE CO LTD
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Patent Information

Application Number
CN202421622450.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-10
Publication Date
2025-06-17
Estimated Expiration
2034-07-10

AI Technical Summary

Technical Problem

The connections of PE pipe fittings are easily affected by external influences, resulting in offset and damage, which in turn causes disconnection and leakage of fluid at the connection, and poor sealing effect.

Method used

An environmentally friendly PE pipe connection sealing structure is designed, using components such as sealing rubber blocks, threaded connections and pushing springs. Through preliminary sealing, secondary sealing, threaded connections and limit support, effective sealing and support of the pipeline interface is achieved.

Benefits of technology

It effectively prevents disconnection and leakage of fluid at the connection, improves the sealing effect between pipes, and ensures stability and safety at the connection.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222992412U_ABST
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Abstract

The utility model relates to the technical field of environment-friendly PE pipe sealing, and aims to provide an environment-friendly PE pipe joint sealing structure which comprises a first pipeline and a second pipeline, a first sealing device is arranged between the first pipeline and the second pipeline, a second sealing device is arranged on the second pipeline, and connecting devices are arranged on the outer walls of the first pipeline and the second pipeline. The first pipeline and the second pipeline are provided with pushing devices, and the pushing devices are provided with protection limiting devices, so that the joint of the first pipeline and the second pipeline is supported and limited, leakage of conveyed fluid caused by disconnection of the joint is prevented, and meanwhile the sealing effect between the pipelines is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of environmental protection PE pipe sealing technology, and particularly relates to a sealing structure for the connection of environmental protection PE pipes. Background Art

[0002] PE pipe fittings, namely polyethylene pipe fittings, are pipe fittings made of plastic materials, which are mainly used in natural gas, water conservancy or oil pipe networks, and have the advantages of convenient installation and strong corrosion resistance.

[0003] After the connection of PE pipe fittings, there is no equipment for strengthening and protecting the connection, so that it is easily affected by the outside, resulting in the offset and damage of the connection, and then the connection is disconnected and the leakage of the transported fluid occurs. At the same time, the sealing effect is not good, which also leads to the leakage of the transported fluid. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a sealing structure for the connection of environmental protection PE pipes, which is used to solve the problems raised in the background art and is convenient for popularization.

[0005] In order to achieve the above utility model purpose, the technical scheme adopted by the utility model is as follows:

[0006] A sealing structure for the connection of environmental protection PE pipes includes a first pipe and a second pipe. A first sealing device is arranged between the first pipe and the second pipe. A second sealing device is arranged on the second pipe. A connecting device is arranged on the outer walls of the first pipe and the second pipe. A pushing device is arranged on the first pipe and the second pipe. A protection and limiting device is arranged on the pushing device;

[0007] The first sealing device includes a sealing groove opened on the second pipe. One end of the first pipe is fixedly provided with a first sealing rubber block, and the end of the first sealing rubber block away from the first pipe is inserted into the sealing groove.

[0008] Further, the second sealing device includes a second sealing rubber block fixedly arranged at one end of the second pipe, and the end of the second sealing rubber block away from the second pipe is inserted into the inner wall of the first pipe.

[0009] Further, the connecting device includes a threaded sleeve fixedly arranged on the outer wall of the first pipe, a connecting thread is opened on the outer wall of the second pipe, and the second pipe is threadedly connected in the threaded sleeve.

[0010] Further, the pushing device includes a first limiting plate fixedly arranged on the outer wall of the first pipe and a second limiting plate fixedly arranged on the outer wall of the second pipe. A first pushing spring is fixedly arranged on the inner wall of the first limiting plate, a second pushing spring is fixedly arranged on the inner wall of the second limiting plate. The first pushing spring is sleeved on the first pipe, and the second pushing spring is sleeved on the second pipe.

[0011] Further, the protection and limit device includes a first protection plate sleeved on the first pipe, a second protection plate sleeved on the second pipe. One end of the first push spring away from the first limit plate is fixedly arranged on the outer wall of the first protection plate, and one end of the second push spring away from the second limit plate is fixedly arranged on the outer wall of the second protection plate. A plurality of uniformly arranged limit holes are formed in the first protection plate, and a plurality of uniformly arranged limit rods are fixedly arranged on the second protection plate.

[0012] Further, a limit protrusion is fixedly arranged on the outer wall of the second pipe.

[0013] As an improvement, the beneficial effects of the present invention are as follows:

[0014] For the sealing structure at the joint of the environmental protection type PE pipe of the present invention, when the device is working, first, through the mutual cooperation of the first sealing rubber block and the second sealing rubber block, the primary sealing of the first pipe and the second pipe is realized. Then, the second sealing rubber block is inserted into the inner wall of the first pipe to realize the secondary sealing of the first pipe and the second pipe. Then, through the threaded connection between the second pipe and the threaded sleeve, the connection of the first pipe and the second pipe is realized. After connecting the first pipe and the second pipe, by pulling the first protection plate and the second protection plate, using the elasticity of the first push spring and the second push spring, the sliding of the first protection plate and the second protection plate on the first pipe and the second pipe is realized. Then, the limit rods are inserted into the limit holes to realize the support and limit of the joint of the first pipe and the second pipe, finally realizing the support and limit of the joint of the first pipe and the second pipe, preventing the disconnection of the joint and causing the leakage of the transported fluid, and at the same time improving the sealing effect between the pipes. Description of the Drawings

[0015] Figure 1 Isometric view A of the sealing structure at the joint of the environmental protection type PE pipe of the present invention;

[0016] Figure 2 Isometric view B of the sealing structure at the joint of the environmental protection type PE pipe of the present invention;

[0017] Figure 3 Isometric view C of the sealing structure at the joint of the environmental protection type PE pipe of the present invention;

[0018] Figure 4 Isometric view D of the sealing structure at the joint of the environmental protection type PE pipe of the present invention;

[0019] Figure 5 For the present invention Figure 1 Enlarged view of part A;

[0020] List of reference numerals:

[0021] 1. Pipe 1; 2. Pipe 2; 3. Sealing device 1; 301. Sealing groove; 302. Sealing rubber block 1; 4. Sealing device 2; 401. Sealing rubber block 2; 5. Connecting device; 501. Threaded sleeve; 502. Connecting thread; 6. Pushing device; 601. Limiting plate 1; 602. Limiting plate 2; 603. Pushing spring 1; 604. Pushing spring 2; 7. Protection and limiting device; 701. Protection plate 1; 702. Protection plate 2; 703. Limiting hole; 704. Limiting rod; 8. Limiting protrusion. Detailed implementation manners

[0022] The following further describes the detailed implementation manners of the present utility model with reference to the accompanying drawings. The same components are denoted by the same reference numerals. It should be noted that the terms "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings, and the terms "inner" and "outer" respectively refer to the directions towards or away from the geometric center of a specific component.

[0023] In order to make the content of the present utility model easier to be clearly understood, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The same components are denoted by the same reference numerals.

[0024] According to Figures 1 to 5 As shown in the figure, an environmentally friendly PE pipe connection sealing structure includes Pipe 1 and Pipe 2. A sealing device 1 is provided between Pipe 1 and Pipe 2. A sealing device 2 is provided on Pipe 2. A connecting device 5 is provided on the outer walls of Pipe 1 and Pipe 2. A pushing device 6 is provided on Pipe 1 and Pipe 2. A protection and limiting device 7 is provided on the pushing device 6. A limiting protrusion 8 is fixedly provided on the outer wall of Pipe 2.

[0025] In this embodiment, the sealing device 1 includes a sealing groove 301 opened on Pipe 2, and a sealing rubber block 302 is fixedly provided at one end of Pipe 1. The end of the sealing rubber block 302 away from Pipe 1 is inserted into the sealing groove 301.

[0026] Through the above technical solution, through the mutual cooperation of the sealing rubber block 302, the primary sealing of Pipe 1 and Pipe 2 is realized.

[0027] In this embodiment, the sealing device 2 includes a sealing rubber block 401 fixedly provided at one end of Pipe 2. The end of the sealing rubber block 401 away from Pipe 2 is inserted into the inner wall of Pipe 1.

[0028] Through the above technical solution, by inserting the sealing rubber block 401 into the inner wall of Pipe 1, the secondary sealing of Pipe 1 and Pipe 2 is realized.

[0029] In this embodiment, the connecting device 5 includes a threaded sleeve 501 fixedly arranged on the outer wall of the first pipe 1, and a connecting thread 502 is provided on the outer wall of the second pipe 2. The second pipe 2 is threadedly connected within the threaded sleeve 501.

[0030] Through the above technical solution, the first pipe 1 and the second pipe 2 are connected by the threaded connection between the second pipe 2 and the threaded sleeve 501.

[0031] In this embodiment, the pushing device 6 includes a first limiting plate 601 fixedly arranged on the outer wall of the first pipe 1 and a second limiting plate 602 fixedly arranged on the outer wall of the second pipe 2. A first pushing spring 603 is fixedly arranged on the inner wall of the first limiting plate 601, and a second pushing spring 604 is fixedly arranged on the inner wall of the second limiting plate 602. The first pushing spring 603 is sleeved on the first pipe 1, and the second pushing spring 604 is sleeved on the second pipe 2.

[0032] Through the above technical solution, after the first pipe 1 and the second pipe 2 are connected, then by pulling the first protection plate 701 and the second protection plate 702, using the elasticity of the first pushing spring 603 and the second pushing spring 604, the sliding of the first protection plate 701 and the second protection plate 702 on the first pipe 1 and the second pipe 2 is realized.

[0033] In this embodiment, the protection and limiting device 7 includes a first protection plate 701 sleeved on the first pipe 1, and a second protection plate 702 is sleeved on the second pipe 2. One end of the first pushing spring 603 away from the first limiting plate 601 is fixedly arranged on the outer wall of the first protection plate 701, and one end of the second pushing spring 604 away from the second limiting plate 602 is fixedly arranged on the outer wall of the second protection plate 702. A plurality of uniformly arranged limiting holes 703 are provided on the first protection plate 701, and a plurality of uniformly arranged limiting rods 704 are fixedly arranged on the second protection plate 702.

[0034] Through the above technical solution, by inserting the limiting rods 704 into the limiting holes 703, the support and limitation of the interface between the first pipe 1 and the second pipe 2 are realized, and finally the support and limitation of the interface between the first pipe 1 and the second pipe 2 are realized, preventing the disconnection of the connection part and causing the leakage of the transported fluid, and at the same time improving the sealing effect between the pipes.

[0035] The above is only a preferred embodiment of the utility model patent, and it is not intended to limit the utility model patent. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the utility model patent shall be included within the protection scope of the utility model patent.

Claims

1. An environmentally friendly PE pipe joint sealing structure, comprising a pipe 1 (1) and a pipe 2 (2), characterized in that: A sealing device (1) (3) is provided between the first pipe (1) and the second pipe (2), a sealing device (4) is provided on the second pipe (2), a connecting device (5) is provided on the outer walls of the first pipe (1) and the second pipe (2), a pushing device (6) is provided on the first pipe (1) and the second pipe (2), and a protective limit device (7) is provided on the pushing device (6); The sealing device (3) comprises a sealing groove (301) provided on the pipe (2), a sealing rubber block (302) being fixedly provided at one end of the pipe (1), and an end of the sealing rubber block (302) away from the pipe (1) is inserted into the sealing groove (301).

2. The environmentally friendly PE pipe joint sealing structure according to claim 1, characterized in that: The second sealing device (4) comprises a second sealing rubber block (401) fixedly arranged at one end of the second pipe (2); the end of the second sealing rubber block (401) away from the second pipe (2) is inserted into the inner wall of the first pipe (1).

3. The environmentally friendly PE pipe joint sealing structure according to claim 2, characterized in that: The connecting device (5) comprises a threaded sleeve (501) fixedly arranged on the outer wall of the first pipe (1), a connecting thread (502) is provided on the outer wall of the second pipe (2), and the second pipe (2) is threadedly connected in the threaded sleeve (501).

4. The environmentally friendly PE pipe joint sealing structure according to claim 1, characterized in that: The pushing device (6) comprises a limiting plate 1 (601) fixedly arranged on the outer wall of the first pipe (1) and a limiting plate 2 (602) fixedly arranged on the outer wall of the second pipe (2); a pushing spring 1 (603) is fixedly arranged on the inner wall of the limiting plate 1 (601); a pushing spring 2 (604) is fixedly arranged on the inner wall of the limiting plate 2 (602); the pushing spring 1 (603) is sleeved on the first pipe (1), and the pushing spring 2 (604) is sleeved on the second pipe (2).

5. The environmentally friendly PE pipe joint sealing structure according to claim 4, characterized in that: The protective limiting device (7) comprises a protective plate 1 (701) sleeved on the pipe 1 (1), the pipe 2 (2) is sleeved with a protective plate 2 (702), the end of the push spring 1 (603) away from the limiting plate 1 (601) is fixedly arranged on the outer wall of the protective plate 1 (701), the end of the push spring 2 (604) away from the limiting plate 2 (602) is fixedly arranged on the outer wall of the protective plate 2 (702), the protective plate 1 (701) is provided with a plurality of uniformly arranged limiting holes (703), and the protective plate 2 (702) is fixedly provided with a plurality of uniformly arranged limiting rods (704).

6. The environmentally friendly PE pipe joint sealing structure according to claim 5, characterized in that: A limiting protrusion (8) is fixedly provided on the outer wall of the second pipe (2).