Insulation joint structure of civil gas pipeline

Abstract

The utility model provides a civil gas pipeline insulating joint structure, which belongs to the technical field of insulating joints, and comprises a first connecting pipe and a second connecting pipe, the side end of the first connecting pipe is fixedly connected with a first connecting disc in the circumferential direction, and the side end of the second connecting pipe is fixedly connected with a second connecting disc in the circumferential direction. The first connecting pipe is sleeved with a first insulating sleeve, the second connecting pipe is sleeved with a second insulating sleeve, and an insulating spacer is arranged between the first connecting pipe and the second connecting pipe. According to the utility model, through the arrangement of the positioning assembly, the connection positioning of the two joints can be completed, the subsequent bolt connection operation is further facilitated, the operation is convenient and efficient, the improvement of the connection efficiency is facilitated, through the arrangement of the connection assembly, the tight connection between the two joints can be ensured, and the good sealing performance of the joints can be further ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of insulating joints, in particular to an insulating joint structure for a civil gas pipeline. Background Art

[0002] Gas pipeline insulating joints are special pipe connection devices used to isolate the electrical continuity in gas pipeline systems. Their main function is to prevent electrochemical corrosion. In gas pipeline networks, electrochemical cells may form between pipes of different materials or between pipes and surrounding metal structures. Insulating joints prevent pipeline damage due to electrochemical corrosion by blocking the current path, thereby extending the service life of the gas pipeline and ensuring the safety and stability of gas transportation.

[0003] After searching, the patent document with publication number CN208546636U discloses a natural gas pipeline insulating joint, including an insulating joint body, which is composed of a first right insulating gasket, a sealing gasket, a second right insulating gasket, a right flange, a hook sleeve, a left insulating gasket, an insulating ring, a left flange and a flange pipe. The flange pipe is provided on the outside of the insulating joint body, and the insulating ring is provided on the outside of the flange pipe. The utility model has the advantages of simple structure, good airtightness, easy connection and low cost.

[0004] The above-mentioned prior art often has the following problems when used:

[0005] When using the existing gas pipeline insulating joint structure, flanges, bolts, nuts, etc. are mostly required to be connected. During the connection, the splicing and alignment steps between the two joints are cumbersome. In order to ensure the tightness of the subsequent connection, the connection holes need to be continuously aligned to insert the bolts for connection. This process is time-consuming and cumbersome to operate, which easily affects the efficiency of the joint connection. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model provides an insulating joint structure for a civil gas pipeline.

[0007] The embodiment of the utility model provides a civil gas pipeline insulating joint structure, comprising:

[0008] A No. 1 connecting pipe and a No. 2 connecting pipe, wherein the No. 1 connecting pipe is circumferentially fixedly connected to the No. 1 connecting plate at its side end, and the No. 2 connecting pipe is circumferentially fixedly connected to the No. 2 connecting plate at its side end, the No. 1 connecting pipe is sleeved with a No. 1 insulating sleeve, and the No. 2 connecting pipe is sleeved with a No. 2 insulating sleeve, and an insulating gasket is provided between the No. 1 connecting pipe and the No. 2 connecting pipe;

[0009] The connecting mechanism includes a plurality of positioning components and a connecting component.

[0010] Furthermore, the positioning assembly includes a fixed block fixedly connected to the side wall of the No. 1 connecting disk, the side bottom surface of the fixed block is provided with a groove, an oblique clamping block is slidably connected in the groove, a spring is fixedly connected between the upper surface of the oblique clamping block and the inner top surface of the groove, the side wall of the fixed block is provided with a through groove, a reset rod is slidably connected in the through groove, and the side end of the reset rod is fixedly connected to the side wall of the oblique clamping block.

[0011] Furthermore, the connecting assembly includes a plurality of No. 1 connecting holes equidistantly arranged on the side wall of the No. 1 connecting plate, a plurality of No. 2 connecting holes equidistantly arranged on the side wall of the No. 2 connecting plate, a plurality of No. 1 connecting holes are each provided with a connecting bolt, a plurality of nuts are provided on the side of the No. 2 connecting plate away from the No. 1 connecting plate, and the plurality of nuts are respectively threadedly connected to the plurality of connecting bolts.

[0012] Furthermore, the positions of the plurality of No. 2 connection holes respectively correspond to the plurality of No. 1 connection holes.

[0013] Furthermore, the radius of the second connecting disk is equal to the vertical distance from the center of the first connecting disk to the nearest surface of the fixing block.

[0014] Furthermore, the No. 2 insulating sleeve is located inside the No. 1 insulating sleeve, and the outer diameter of the No. 2 insulating sleeve is equal to the inner diameter of the No. 1 insulating sleeve.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] The positioning component provided in the utility model can first be used to connect and position the two joints when the two joints need to be connected, thereby facilitating the subsequent bolt connection operation. The operation is convenient and efficient, which is conducive to improving the connection efficiency. The connection component provided can ensure that the two connection joints are tightly connected, thereby ensuring that the connected joints have good sealing. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of a three-dimensional structural analysis of an insulating joint structure of a civil gas pipeline described in an embodiment of the present utility model.

[0018] Figure 2 This is an exploded view of an insulating joint structure for a civil gas pipeline described in an embodiment of the present utility model.

[0019] Figure 3 It is a three-dimensional structural schematic diagram of an insulating joint structure for a civil gas pipeline described in an embodiment of the utility model.

[0020] Figure 4 for Figure 1 Enlarged view of point A in the middle.

[0021] In the above drawings: 1 connecting pipe No. 1, 2 connecting pipe No. 2, 3 connecting plate No. 1, 4 connecting plate No. 2, 5 insulating sleeve No. 1, 6 insulating sleeve No. 2, 7 insulating gasket, 8 fixing block, 9 groove, 10 oblique clamping block, 11 spring, 12 through slot, 13 reset rod, 14 connecting hole No. 1, 15 connecting hole No. 2, 16 connecting bolt, 17 nut. DETAILED DESCRIPTION

[0022] The technical solution of the present invention is further described below with reference to the accompanying drawings and embodiments.

[0023] like Figures 1-4 As shown, the embodiment of the present utility model provides a civil gas pipeline insulating joint structure, comprising:

[0024] The No. 1 connecting pipe 1 and the No. 2 connecting pipe 2, the No. 1 connecting pipe 1 is circumferentially fixedly connected to the No. 1 connecting plate 3 on the side end, the No. 2 connecting pipe 2 is circumferentially fixedly connected to the No. 2 connecting plate 4 on the side end, the No. 1 connecting pipe 1 is sleeved with a No. 1 insulating sleeve 5, the No. 2 connecting pipe 2 is sleeved with a No. 2 insulating sleeve 6, an insulating gasket 7 is provided between the No. 1 connecting pipe 1 and the No. 2 connecting pipe 2, a connecting mechanism, the connecting mechanism includes a plurality of positioning components and a connecting component, the positioning component includes a fixed block 8 fixedly connected to the side wall of the No. 1 connecting plate 3, the side bottom surface of the fixed block 8 is provided with a groove 9, the groove 9 is slidably connected with an oblique card block 10, the oblique card block 1 A spring 11 is fixedly connected between the upper surface of 0 and the inner top surface of the groove 9, and a through groove 12 is provided on the side wall of the fixed block 8. A reset rod 13 is slidably connected in the through groove 12. The side end of the reset rod 13 is fixedly connected to the side wall of the oblique clamping block 10. The radius of the No. 2 connecting disk 4 is equal to the vertical distance from the center of the circle of the No. 1 connecting disk 3 to the nearest surface of the fixed block 8 to ensure the normal operation of the positioning assembly. The No. 2 insulating sleeve 6 is located in the No. 1 insulating sleeve 5. The outer diameter of the No. 2 insulating sleeve 6 is equal to the inner diameter of the No. 1 insulating sleeve 5 to ensure that the two insulating sleeves cooperate with each other and can be well sleeved at the joint connection. The material of the two insulating sleeves is hard insulating rubber;

[0025] The connecting assembly includes a plurality of No. 1 connecting holes 14 equidistantly arranged on the side wall of the No. 1 connecting plate 3, a plurality of No. 2 connecting holes 15 equidistantly arranged on the side wall of the No. 2 connecting plate 4, a connecting bolt 16 is provided in each of the plurality of No. 1 connecting holes 14, a plurality of nuts 17 are provided on the side of the No. 2 connecting plate 4 away from the No. 1 connecting plate 3, and the plurality of nuts 17 are respectively threadedly connected to the plurality of connecting bolts 16, and the positions of the plurality of No. 2 connecting holes 15 correspond to the plurality of No. 1 connecting holes 14 respectively.

[0026] The detailed working process of this utility model is as follows:

[0027] Before use, complete the assembly of the connector first. The No. 1 insulating sleeve 5 and the No. 2 insulating sleeve 6 are sleeved on the No. 1 connecting pipe 1 and the No. 2 connecting pipe 2. Therefore, before assembly, it is necessary to change the positions of the two to expose the connection structure. After completion, control the No. 2 connecting pipe 2 to move toward the No. 1 connecting pipe 1, and the insulating gasket 7 is located between the two. The No. 2 connecting pipe 2 drives the No. 2 connecting disk 4 to move. When the edge of the No. 2 connecting disk 4 contacts the inclined surfaces of multiple oblique card blocks 10, continuing to move will compress the multiple oblique card blocks 10 into the groove 9. After continuing to move and passing over the oblique card blocks 10, under the elastic force of the spring 11, multiple The oblique clamping block 10 will pop out from the groove 9 to limit the No. 2 connecting disc 4. At this time, the side wall of the No. 2 connecting disc 4 is in contact with the side wall of the insulating gasket 7, and is also in contact with the plane side walls of the multiple oblique clamping blocks 10. In addition, the circumferential side wall of the No. 2 connecting disc 4 is in contact with the side wall of the multiple fixing blocks 8 close to the No. 1 connecting pipe 1, thereby completing the limitation of the No. 2 connecting disc 4. At this time, the No. 1 connecting pipe 1 and the No. 2 connecting pipe 2 are in a concentric state to achieve the positioning operation. When disassembly is required later, the reset rod 13 can be used to control the oblique clamping block 10 to return to the groove 9, so that the limitation on the No. 2 connecting pipe 2 and the No. 2 connecting disc 4 can be contacted.

[0028] When subsequent connections are required, simply rotate the No. 2 connecting pipe 2 so that the multiple No. 2 connecting holes 15 are aligned with the multiple No. 1 connecting holes 14, and then insert the multiple connecting bolts 16 and use multiple nuts 17 to connect them to the multiple connecting bolts 16 respectively to complete the splicing of the joints. After completion, control the No. 1 insulating sleeve 5 and the No. 2 insulating sleeve 6 to move, cover the joint and the connecting structure, and complete the assembly.

[0029] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model and are not limiting. Although the utility model is described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A civil gas pipeline insulation joint structure, characterized in that: include: A No. 1 connecting pipe (1) and a No. 2 connecting pipe (2), wherein the No. 1 connecting pipe (1) is circumferentially fixedly connected to a No. 1 connecting plate (3) at its side end, and the No. 2 connecting pipe (2) is circumferentially fixedly connected to a No. 2 connecting plate (4) at its side end, the No. 1 connecting pipe (1) is sleeved with a No. 1 insulating sleeve (5), and the No. 2 connecting pipe (2) is sleeved with a No. 2 insulating sleeve (6), and an insulating gasket (7) is provided between the No. 1 connecting pipe (1) and the No. 2 connecting pipe (2); The connecting mechanism includes a plurality of positioning components and a connecting component.

2. A civil gas pipeline insulating joint structure according to claim 1, characterized in that: in: The positioning assembly comprises a fixed block (8) fixedly connected to the side wall of the No. 1 connecting plate (3); a groove (9) is provided on the side bottom surface of the fixed block (8); an oblique clamping block (10) is slidably connected in the groove (9); a spring (11) is fixedly connected between the upper surface of the oblique clamping block (10) and the inner top surface of the groove (9); a through groove (12) is provided on the side wall of the fixed block (8); a reset rod (13) is slidably connected in the through groove (12); and a side end of the reset rod (13) is fixedly connected to the side wall of the oblique clamping block (10).

3. The insulating joint structure for civil gas pipelines according to claim 1, characterized in that: in: The connection assembly comprises a plurality of No. 1 connection holes (14) equidistantly arranged on the side wall of the No. 1 connection disk (3); a plurality of No. 2 connection holes (15) equidistantly arranged on the side wall of the No. 2 connection disk (4); a connection bolt (16) is arranged in each of the plurality of No. 1 connection holes (14); a plurality of nuts (17) are arranged on a side of the No. 2 connection disk (4) away from the No. 1 connection disk (3); and the plurality of nuts (17) are respectively threadedly connected to the plurality of connection bolts (16).

4. The insulating joint structure for civil gas pipelines according to claim 3, characterized in that: in: The positions of the plurality of No. 2 connection holes (15) respectively correspond to the plurality of No. 1 connection holes (14).

5. The insulating joint structure for civil gas pipelines according to claim 2, characterized in that: in: The radius of the second connecting disk (4) is equal to the vertical distance from the center of the first connecting disk (3) to the nearest surface of the fixed block (8).

6. The insulating joint structure for civil gas pipelines according to claim 1, characterized in that: in: The second insulating sleeve (6) is located inside the first insulating sleeve (5), and the outer diameter of the second insulating sleeve (6) is equal to the inner diameter of the first insulating sleeve (5).

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