Integral insulating joint for gas pipeline

Abstract

The utility model discloses an integral insulating joint for a gas pipeline, which relates to the technical field of gas pipelines and comprises a first conduit, a second conduit, an insulating joint component and a fixing component, a third threaded groove is arranged on the left side of the outer wall of the second conduit, and the insulating joint component is arranged on the left side of the outer wall of the second conduit. The fixing assembly is arranged on the right side of the outer wall of the first guide pipe, and the interior of the insulating joint assembly is movably connected with the exterior of the fixing assembly. The connecting position of the first conduit is connected into the connecting opening of the second conduit in a screwing mode, then the insulating connector assembly is screwed with the outside of the first conduit through the third thread groove, the stability of connection between the first conduit and the second conduit is improved, double connection is conducted between pipelines, the connection stability is improved, and the service life of the pipeline is prolonged. And the use safety is guaranteed, and the insulation joint assembly is clamped outside the fixing assembly, so that the sealing performance of connection between the pipelines is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of gas pipelines, in particular to an integral insulating joint for gas pipelines. Background Art

[0002] Gas is a general term for gaseous fuels. There are many types of gas, including natural gas, artificial gas, liquefied petroleum gas, biogas, and coal-to-gas. Gas pipes are special pipelines for transporting combustible gases. Insulating joints, as a special pressure pipeline component, are an important part of ensuring the safe operation of long-distance pipelines. The existing technology has the following problems:

[0003] In the process of connecting the existing gas pipeline joints, the connection method is single, and it is easy to loosen after long-term use, thereby affecting the safety of use. Secondly, the sealing between the two pipelines is not good, which easily causes gas leakage. Utility Model Content

[0004] The utility model provides an integral insulating joint for a gas pipeline to solve the problems existing in the above-mentioned background technology.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0006] An integral insulating joint for a gas pipeline comprises a first conduit, a second conduit, an insulating joint assembly and a fixing assembly, wherein a thread groove three is provided on the left side of the outer wall of the second conduit, the insulating joint assembly is arranged on the left side of the outer wall of the second conduit, the fixing assembly is arranged on the right side of the outer wall of the first conduit, and the interior of the insulating joint assembly is movably connected to the exterior of the fixing assembly.

[0007] A further improvement of the technical solution of the utility model is that a thread groove is opened on the right side of the outer wall of the first conduit, the right end of the first conduit is fixedly connected to a connector with the same diameter as the inner wall of the second conduit, and the interior of the first conduit and the interior of the connector are interconnected.

[0008] A further improvement of the technical solution of the utility model is that: a second thread groove is provided on the left side of the inner wall of the second conduit, a thread is provided on the outer wall of the connector, and the outer wall of the connector is threadedly connected to the left side of the inner wall of the second conduit.

[0009] A further improvement of the technical solution of the utility model is that the insulating joint assembly includes a threaded tube and a connecting sleeve, the left end of the threaded tube is fixedly connected to the right end of the connecting sleeve, a plurality of anti-slip strips are arranged in a circular array on the outer wall of the threaded tube, a rubber sealing ring is fixedly connected to the right end of the inner wall of the connecting sleeve, and a sealing ring groove is opened on the left side of the inner wall of the connecting sleeve.

[0010] A further improvement of the technical solution of the utility model is that the inner wall of the threaded pipe is threadedly connected to the outer wall of the thread groove three, and the inner wall of the threaded pipe is threadedly connected to the outer wall of the thread groove one.

[0011] A further improvement of the technical solution of the utility model is that the fixing assembly comprises a fixing ring, a sealing ring groove 2 is provided at the right end of the fixing ring, and a rubber sealing ring 2 is fixedly connected to the left side of the outer wall of the fixing ring.

[0012] A further improvement of the technical solution of the utility model is that the outer diameter of the fixing ring is the same as the inner diameter of the connecting sleeve, the inner wall of the connecting sleeve is sleeved with the outer wall of the fixing ring, the inner wall of the sealing ring groove 2 is plugged with the outer wall of the rubber sealing ring 1, and the outer wall of the rubber sealing ring 2 is plugged with the inner wall of the sealing ring groove 1.

[0013] A further improvement of the technical solution of the utility model is that the left side of the outer wall of the first conduit close to the first thread groove is fixedly connected to the inner wall of the fixing ring.

[0014] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0015] 1. The utility model provides an integral insulating joint for a gas pipeline, which adopts the cooperation between a first conduit, a second conduit, an insulating joint assembly, a thread groove three and a fixing assembly. By screwing the connection of the first conduit into the connection port of the second conduit, and then screwing the insulating joint assembly with the outside of the first conduit through the thread groove three, the stability of the connection between the first conduit and the second conduit is improved, and the problem that the connection method between the existing gas pipeline joints is single and easy to loosen after long-term use, thereby affecting the safety of use, is solved, and the beneficial effects of double connection between the pipelines, improving the stability of the connection, and ensuring the safety of use are achieved.

[0016] 2. The utility model provides an integral insulating joint for a gas pipeline, which adopts the cooperation between the insulating joint component and the fixed component. By clamping the insulating joint component on the outside of the fixed component, the sealing performance of the connection between the pipelines is further improved, and the problem of poor sealing between the two pipelines, which easily causes gas leakage, is solved, achieving the beneficial effect of improving the sealing performance of the pipeline connection. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure connection of the integral insulating joint for gas pipeline of the utility model;

[0018] Figure 2 It is a schematic diagram of the three-dimensional structure of the integral insulating joint for gas pipeline of the utility model;

[0019] Figure 3 It is a partially enlarged schematic diagram of the three-dimensional structure A of the utility model;

[0020] Figure 4 This is a three-dimensional structural diagram of the insulating joint assembly of the utility model

[0021] Figure 5 It is a schematic diagram of the three-dimensional structure of the fixing component of the utility model.

[0022] In the figure: 1. first conduit; 11. connector; 110. thread; 101. thread groove one; 2. second conduit; 201. thread groove two; 3. insulating joint assembly; 31. threaded pipe; 310. anti-slip strip; 32. connecting sleeve; 33. rubber sealing ring one; 34. sealing ring groove one; 4. thread groove three; 5. fixing assembly; 51. fixing ring; 501. sealing ring groove two; 52. rubber sealing ring two. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods:

[0024] like Figure 1 As shown, the utility model provides an integral insulating joint for a gas pipeline, comprising a first conduit 1, a second conduit 2, an insulating joint assembly 3 and a fixing assembly 5, a thread groove 3 4 is provided on the left side of the outer wall of the second conduit 2, the insulating joint assembly 3 is arranged on the left side of the outer wall of the second conduit 2, the fixing assembly 5 is arranged on the right side of the outer wall of the first conduit 1, and the inside of the insulating joint assembly 3 is movably connected with the outside of the fixing assembly 5;

[0025] A first conduit 1, a second conduit 2, an insulating joint assembly 3, a thread groove 3 4 and a fixing assembly 5 are provided, and the connection of the first conduit 1 is screwed together with the connection port of the second conduit 2 to complete the preliminary connection between the pipes, and then the insulating joint assembly 3 is connected to the outer wall of the first conduit 1 through the thread groove 3 4, and the insulating joint assembly 3 is clamped to the outer wall of the fixing assembly 5, so as to realize the double connection of the pipes and further improve the sealing and insulation of the connection.

[0026] like Figure 2-3As shown, the utility model provides a technical solution for an integral insulating joint for a gas pipeline: a thread groove 101 is provided on the right side of the outer wall of the first conduit 1, and a connector 11 having the same diameter as the inner wall of the second conduit 2 is fixedly connected to the right end of the first conduit 1, the interior of the first conduit 1 and the interior of the connector 11 are mutually connected, a thread groove 201 is provided on the left side of the inner wall of the second conduit 2, and a thread 110 is provided on the outer wall of the connector 11, and the outer wall of the connector 11 is threadedly connected to the left side of the inner wall of the second conduit 2, and the thread 110 on the connector 11 is screwed and connected with the thread groove 201 in the second conduit 2, so as to connect the first conduit 1 and the second conduit 2.

[0027] like Figure 4-5 As shown, the utility model provides a technical solution for an integral insulating joint for a gas pipeline: the insulating joint assembly 3 includes a threaded tube 31 and a connecting sleeve 32, the left end of the threaded tube 31 is fixedly connected to the right end of the connecting sleeve 32, a plurality of anti-slip strips 310 are arranged in an annular array on the outer wall of the threaded tube 31, a rubber sealing ring 33 is fixedly connected to the right end of the inner wall of the connecting sleeve 32, a sealing ring groove 34 is provided on the left side of the inner wall of the connecting sleeve 32, the inner wall of the threaded tube 31 is threadedly connected to the outer wall of the thread groove 34, the inner wall of the threaded tube 31 is threadedly connected to the outer wall of the thread groove 101, and the threaded tube 31 is rotated and displaced along the thread groove 34 inside, so that the threaded tube 31 is moved to the first conduit 1 and is screwed and connected with the thread groove 101 on the first conduit 1, thereby completing the double connection between the pipelines. The connection and fixing assembly 5 include a fixing ring 51, a sealing ring groove 2 501 is provided at the right end of the fixing ring 51, a rubber sealing ring 2 52 is fixedly connected to the left side of the outer wall of the fixing ring 51, the outer diameter of the fixing ring 51 is the same as the inner diameter of the connecting sleeve 32, the inner wall of the connecting sleeve 32 is sleeved with the outer wall of the fixing ring 51, the inner wall of the sealing ring groove 2 501 is plugged with the outer wall of the rubber sealing ring 1 33, the outer wall of the rubber sealing ring 2 52 is plugged with the inner wall of the sealing ring groove 1 34, the outer wall of the first conduit 1 is fixedly connected to the inner wall of the fixing ring 51 near the left side of the thread groove 101, the outer clamping of the fixing ring 51 by the connecting sleeve 32 makes the rubber sealing ring 1 33 squeezed and fitted in the sealing ring groove 2 501, and the rubber sealing ring 2 52 is squeezed and fitted into the sealing ring groove 1 34, thereby increasing the sealing and insulation of the connection.

[0028] The following is a detailed description of the working principle of this integral insulating joint for gas pipelines.

[0029] like Figure 1-5As shown, when the first conduit 1 and the second conduit 2 are connected, first, the connector 11 at the connection port of the first conduit 1 is inserted into the connection port of the second conduit 2, and then the first conduit 1 is rotated so that the thread 110 on the connector 11 is screwed and connected with the thread groove 201 in the second conduit 2, thereby completing the preliminary connection between the first conduit 1 and the second conduit 2, and then the threaded tube 31 is rotated through the anti-slip strip 310 so that the inner wall of the threaded tube 31 is rotated and displaced on the thread groove 34 on the surface of the second conduit 2, so that the inner wall of the threaded tube 31 is rotated to the first conduit 1 and is screwed and connected with the thread groove 101 on the first conduit 1. During the rotational connection process, the inner sleeve of the connecting shell 32 is rotated and moved on the fixing ring 51, so that the connecting shell 32 inside the connecting shell 32 is squeezed and fitted into the sealing ring groove 2 501, and the rubber sealing ring 2 52 on the fixing ring 51 is squeezed and fitted into the sealing ring groove 1 34 at the same time, so that the double connection between the pipes is performed, and the sealing and insulation of the connection between the pipes are further increased.

[0030] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. An integral insulating joint for a gas pipeline, comprising a first conduit (1), a second conduit (2), an insulating joint assembly (3) and a fixing assembly (5), characterized in that: A thread groove three (4) is provided on the left side of the outer wall of the second conduit (2); the insulating joint component (3) is arranged on the left side of the outer wall of the second conduit (2); the fixing component (5) is arranged on the right side of the outer wall of the first conduit (1); and the interior of the insulating joint component (3) is movably connected to the exterior of the fixing component (5).

2. The integral insulating joint for a gas pipeline according to claim 1, characterized in that: A threaded groove (101) is provided on the right side of the outer wall of the first conduit (1); the right end of the first conduit (1) is fixedly connected to a connector (11) having the same diameter as the inner wall of the second conduit (2); the interior of the first conduit (1) and the interior of the connector (11) are interconnected.

3. The integral insulating joint for a gas pipeline according to claim 2, characterized in that: A second thread groove (201) is provided on the left side of the inner wall of the second conduit (2), a thread (110) is provided on the outer wall of the connector (11), and the outer wall of the connector (11) is threadedly connected to the left side of the inner wall of the second conduit (2).

4. The integral insulating joint for a gas pipeline according to claim 1, characterized in that: The insulating joint assembly (3) comprises a threaded tube (31) and a connecting sleeve (32); the left end of the threaded tube (31) is fixedly connected to the right end of the connecting sleeve (32); a plurality of anti-slip strips (310) are arranged in a circular array on the outer wall of the threaded tube (31); a rubber sealing ring (33) is fixedly connected to the right end of the inner wall of the connecting sleeve (32); and a sealing ring groove (34) is provided on the left side of the inner wall of the connecting sleeve (32).

5. The integral insulating joint for a gas pipeline according to claim 4, characterized in that: The inner wall of the threaded tube (31) is threadedly connected to the outer wall of the thread groove three (4), and the inner wall of the threaded tube (31) is threadedly connected to the outer wall of the thread groove one (101).

6. The integral insulating joint for a gas pipeline according to claim 1, characterized in that: The fixing assembly (5) comprises a fixing ring (51), a sealing ring groove (501) is provided at the right end of the fixing ring (51), and a rubber sealing ring (52) is fixedly connected to the left side of the outer wall of the fixing ring (51).

7. The integral insulating joint for a gas pipeline according to claim 6, characterized in that: The outer diameter of the fixing ring (51) is the same as the inner diameter of the connecting sleeve (32); the inner wall of the connecting sleeve (32) is sleeved with the outer wall of the fixing ring (51); the inner wall of the sealing ring groove 2 (501) is plugged with the outer wall of the rubber sealing ring 1 (33); and the outer wall of the rubber sealing ring 2 (52) is plugged with the inner wall of the sealing ring groove 1 (34).

8. The integral insulating joint for a gas pipeline according to claim 7, characterized in that: The outer wall of the first conduit (1) is fixedly connected to the inner wall of the fixing ring (51) on the left side close to the first thread groove (101).

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