Combined sealing ring with guide structure

Abstract

The utility model relates to the technical field of sealing rings, in particular to a combined sealing ring with a guide structure. According to the technical scheme, the combined sealing ring with the guide structure comprises a pipe orifice sleeve assembly, and further comprises a combined sealing ring assembly and an extension sleeve; a combined sealing ring assembly is arranged at the upper end of the pipe orifice sleeve assembly; an extension sleeve is arranged at the lower end of the pipe orifice sleeve assembly. The extension sleeve and the pipe orifice sleeve are inserted into the outer pipe and clamped by the elastic side ribs, then the second sealing ring rotates around the folding line of the bent connecting piece to be attached to the first sealing ring, and finally the inner pipe penetrates through the second sealing ring and the first sealing ring to be in threaded sealing connection with the matched threaded pipe wall. Therefore, the function of combined type pipeline sealing connection is achieved, sealing leakproofness and installation convenience are greatly improved, and the problems that due to the fact that an existing sealing ring does not have a positioning calibration guiding structure in pipeline interference fit connection, installation and positioning of a sealing piece are not accurate, and leakproofness is poor are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of sealing rings, and particularly relates to a combined sealing ring with a guiding structure. Background Art

[0002] A sealing ring is a sealing element used to seal between two static parts or between a rotating part and a static part to ensure the sealing performance of pipelines, containers or machines and prevent fluid or gas leakage. With the continuous improvement of China's industrial level, the application of sealing technology in various fields is becoming more and more extensive, such as industries like petroleum, chemical industry, machinery, and automobile. Existing sealing rings have some problems in the interference fit connection of pipelines. During the installation of pipelines with interference fit connections, the sealing ring needs to be installed at the mating part of the pipeline and the pipe fitting to achieve the sealing effect. However, due to the lack of a positioning and calibration guiding structure in the interference fit connection of pipelines, the installation and positioning of the sealing ring are inaccurate, thus affecting the sealing performance. Content of the Utility Model

[0003] In order to overcome the problem that existing sealing rings have inaccurate installation and poor tightness due to the lack of a positioning and calibration guiding structure in their interference fit connection with pipelines.

[0004] The technical solution of the utility model is: a combined sealing ring with a guiding structure, which includes a pipe orifice sleeve assembly, and also includes a combined sealing ring assembly and an extension sleeve; the upper end of the pipe orifice sleeve assembly is provided with the combined sealing ring assembly; the lower end of the pipe orifice sleeve assembly is provided with the extension sleeve.

[0005] Preferably, by inserting the extension sleeve and the pipe orifice sleeve into the interior of the outer pipe, the elastic side ribs are clamped, then the second sealing ring is rotated around the fold line of the bending connecting piece to fit with the first sealing ring, and finally the inner pipe passes through the second sealing ring and the first sealing ring and is thread-sealedly connected with the mating threaded pipe wall, thereby realizing the function of combined pipeline sealing connection, greatly improving the sealing tightness and installation convenience, and solving the problem that existing sealing rings have inaccurate installation and poor tightness due to the lack of a positioning and calibration guiding structure in their interference fit connection with pipelines.

[0006] Preferably, the pipe orifice sleeve assembly includes a pipe orifice sleeve and elastic side ribs; elastic side ribs are arranged around the outer circumference of the upper end of the pipe orifice sleeve, and the elastic side ribs are integrally formed with the pipe orifice sleeve.

[0007] Preferably, the combined sealing ring assembly includes a first sealing ring, a mating threaded pipe wall, a bending connecting piece, a second sealing ring, and elastic reinforcing ribs; the first sealing ring is arranged at the upper end of the pipe orifice sleeve, and the pipe orifice sleeve is integrally formed with the first sealing ring.

[0008] Preferably, a bent connecting member is provided on one side of the first sealing ring, and the bent connecting member is integrally formed with the first sealing ring, and a crease is provided on the lower end surface of the bent connecting member.

[0009] Preferably, a second sealing ring is provided at one end of the bent connecting member, and the second sealing ring is integrally formed with the bent connecting member. By inserting the extension sleeve and the pipe orifice sleeve into the inside of the outer pipe and clamping the elastic side ribs, then rotating the second sealing ring around the fold line of the bent connecting member to fit with the first sealing ring, and finally passing the inner pipe through the second sealing ring and the first sealing ring and threadedly sealingly connecting with the mating threaded pipe wall, the function of combined pipeline sealing connection is realized, greatly improving the sealing tightness and installation convenience.

[0010] Preferably, elastic reinforcing ribs are provided on the inner circumference of the second sealing ring, and the elastic reinforcing ribs are integrally formed with the second sealing ring; there are four elastic reinforcing ribs, and the elastic reinforcing ribs have elastic shrinkage, and the elastic reinforcing ribs greatly improve the clamping force between the second sealing ring and the inner pipe, thereby preventing the problem of loosening between the inner pipe and the second sealing ring when the inner pipe is connected to the mating threaded pipe wall.

[0011] Preferably, a mating threaded pipe wall is provided on the inner circumference of the first sealing ring, and the mating threaded pipe wall is integrally formed with the pipe orifice sleeve. After passing the inner pipe through the second sealing ring and the first sealing ring, it is threadedly and sealingly connected with the mating threaded pipe wall, thereby realizing the function of combined pipeline sealing connection.

[0012] Advantages of the present utility model:

[0013] 1. For existing sealing rings, due to the lack of a positioning and calibration guiding structure in the interference fit connection of the pipeline, there are problems such as inaccurate installation positioning and poor tightness of the sealing member; by inserting the extension sleeve and the pipe orifice sleeve into the inside of the outer pipe and clamping the elastic side ribs, then rotating the second sealing ring around the fold line of the bent connecting member to fit with the first sealing ring, and finally passing the inner pipe through the second sealing ring and the first sealing ring and threadedly sealingly connecting with the mating threaded pipe wall, the function of combined pipeline sealing connection is realized, greatly improving the sealing tightness and installation convenience; solving the problems of inaccurate installation positioning and poor tightness of the existing sealing ring due to the lack of a positioning and calibration guiding structure in the interference fit connection of the pipeline;

[0014] 2. Through the arrangement of the elastic reinforcing ribs, the elastic reinforcing ribs greatly improve the clamping force between the second sealing ring and the inner pipe, thereby preventing the problem of loosening between the inner pipe and the second sealing ring when the inner pipe is connected to the mating threaded pipe wall. Description of the drawings

[0015] Figure 1 Shown is an overall three-dimensional structural schematic diagram of a combined sealing ring with a guiding structure of the present utility model;

[0016] Figure 2 Shown is an overall bottom-up three-dimensional structural schematic diagram of a combined sealing ring with a guiding structure according to the present utility model;

[0017] Figure 3 Shown is an overall sectional three-dimensional structural schematic diagram of a combined sealing ring with a guiding structure according to the present utility model;

[0018] Figure 4 Shown is a three-dimensional structural schematic diagram of a combined sealing ring assembly of a combined sealing ring with a guiding structure according to the present utility model.

[0019] The reference signs in the drawings are: 1, pipe orifice sleeve assembly; 2, combined sealing ring assembly; 3, extension sleeve; 101, pipe orifice sleeve; 102, elastic side rib; 201, first sealing ring; 202, mating threaded pipe wall; 203, bent connecting member; 204, second sealing ring; 205, elastic reinforcing rib. Detailed implementation manners

[0020] The present utility model will be further described below in conjunction with the drawings and embodiments.

[0021] Please refer to Figures 1-4 , the present utility model provides an embodiment: a combined sealing ring with a guiding structure, which includes a pipe orifice sleeve assembly 1, and also includes a combined sealing ring assembly 2 and an extension sleeve 3; a combined sealing ring assembly 2 is arranged at the upper end of the pipe orifice sleeve assembly 1; an extension sleeve 3 is arranged at the lower end of the pipe orifice sleeve assembly 1, and the pipe orifice sleeve assembly 1 includes a pipe orifice sleeve 101 and an elastic side rib 102; elastic side ribs 102 are arranged around the outer circumference of the upper end of the pipe orifice sleeve 101, and the elastic side ribs 102 are integrally formed with the pipe orifice sleeve 101.

[0022] Please refer to Figures 1-4, in this embodiment, the combined sealing ring assembly 2 includes a first sealing ring 201, a mating threaded pipe wall 202, a bent connecting member 203, a second sealing ring 204, and an elastic reinforcing rib 205; a first sealing ring 201 is provided at the upper end of the pipe orifice sleeve 101, and the pipe orifice sleeve 101 and the first sealing ring 201 are integrally formed. A bent connecting member 203 is provided on one side of the first sealing ring 201, and the bent connecting member 203 and the first sealing ring 201 are integrally formed. Moreover, a crease is provided on the lower end surface of the bent connecting member 203. One end of the bent connecting member 203 is provided with a second sealing ring 204, and the second sealing ring 204 and the bent connecting member 203 are integrally formed. An elastic reinforcing rib 205 is provided on the inner circumference of the second sealing ring 204, and the elastic reinforcing rib 205 and the second sealing ring 204 are integrally formed; four elastic reinforcing ribs 205 are provided, and the elastic reinforcing rib 205 has elastic shrinkability. A mating threaded pipe wall 202 is provided on the inner circumference of the first sealing ring 201, and the mating threaded pipe wall 202 and the pipe orifice sleeve 101 are integrally formed.

[0023] When working, by inserting the extension sleeve 3 and the pipe orifice sleeve 101 into the inside of the outer pipe and clamping the elastic side ribs 102, then rotating the second sealing ring 204 around the fold line of the bent connecting member 203 to fit with the first sealing ring 201, and finally passing the inner pipe through the second sealing ring 204 and the first sealing ring 201 and then threadedly and sealingly connecting it with the mating threaded pipe wall 202, the function of combined pipeline sealing connection is realized, greatly improving the sealing tightness and installation convenience; it solves the problem that the existing sealing ring, due to the interference fit connection of its pipeline not having a positioning and calibration guiding structure, results in inaccurate installation positioning of the sealing member and poor tightness.

[0024] Next, the elastic reinforcing rib 205 greatly improves the clamping force between the second sealing ring 204 and the inner pipe, thereby preventing the problem of looseness between the inner pipe and the second sealing ring 204 when the inner pipe is connected to the mating threaded pipe wall 202.

[0025] Through the above steps, by inserting the extension sleeve 3 and the pipe orifice sleeve 101 into the inside of the outer pipe and clamping the elastic side ribs 102, then rotating the second sealing ring 204 around the fold line of the bent connecting member 203 to fit with the first sealing ring 201, and finally passing the inner pipe through the second sealing ring 204 and the first sealing ring 201 and then threadedly and sealingly connecting it with the mating threaded pipe wall 202, the function of combined pipeline sealing connection is realized, greatly improving the sealing tightness and installation convenience, and avoiding the problem that the existing sealing ring, due to the interference fit connection of its pipeline not having a positioning and calibration guiding structure, results in inaccurate installation positioning of the sealing member and poor tightness.

[0026] The embodiments of the present utility model have been described in detail above in conjunction with the accompanying drawings. However, the present utility model is not limited to the above embodiments, and various changes can be made without departing from the gist of the present utility model within the scope of knowledge possessed by those skilled in the art.

Claims

1. A combined sealing ring with a guide structure, comprising a pipe mouth sleeve assembly (1), characterized in that: It also comprises a combined sealing ring assembly (2) and an extension sleeve (3); the upper end of the pipe mouth sleeve assembly (1) is provided with the combined sealing ring assembly (2); and the lower end of the pipe mouth sleeve assembly (1) is provided with the extension sleeve (3).

2. The combined sealing ring with a guide structure according to claim 1, characterized in that: The pipe mouth sleeve assembly (1) comprises a pipe mouth sleeve (101) and elastic side ribs (102); the elastic side ribs (102) are arranged around the outer side of the upper end of the pipe mouth sleeve (101), and the elastic side ribs (102) and the pipe mouth sleeve (101) are integrally formed.

3. The combined sealing ring with a guide structure according to claim 2, characterized in that: The combined sealing ring assembly (2) comprises a first sealing ring (201), a matching threaded pipe wall (202), a bent connector (203), a second sealing ring (204), and an elastic reinforcing rib (205); the first sealing ring (201) is arranged at the upper end of the pipe mouth sleeve (101), and the pipe mouth sleeve (101) and the first sealing ring (201) are integrally formed.

4. The combined sealing ring with a guide structure according to claim 2, characterized in that: A bending connection piece (203) is provided on one side of the first sealing ring (201), and the bending connection piece (203) and the first sealing ring (201) are integrally formed, and a fold is provided on the lower end surface of the bending connection piece (203).

5. The combined sealing ring with a guide structure according to claim 4, characterized in that: A second sealing ring (204) is provided at one end of the bent connecting piece (203), and the second sealing ring (204) and the bent connecting piece (203) are integrally formed.

6. The combined sealing ring with a guide structure according to claim 5, characterized in that: An elastic reinforcing rib (205) is arranged around the inner side of the second sealing ring (204), and the elastic reinforcing rib (205) and the second sealing ring (204) are integrally formed; four elastic reinforcing ribs (205) are arranged, and the elastic reinforcing ribs (205) have elastic contractility.

7. The combined sealing ring with a guide structure according to claim 3, characterized in that: A matching threaded tube wall (202) is provided around the inner side of the first sealing ring (201), and the matching threaded tube wall (202) and the tube mouth sleeve (101) are integrally formed.

Images