Natural gas pipeline connecting structure

Abstract

The utility model relates to the technical field of natural gas pipeline accessories, and discloses a natural gas pipeline connecting structure which comprises two pipe bodies, two first arc-shaped plates which are connected in a rotating mode are arranged between the two pipe bodies in a sleeved mode, sealing gaskets are arranged on the inner walls of the first arc-shaped plates, a concentric-square-shaped plate is arranged between the first arc-shaped plates in a sliding mode, and first bolts are arranged in the concentric-square-shaped plate in a threaded mode. First bolt holes matched with the first bolts are formed in the first arc-shaped plates, and the surface of the pipe body is sleeved with two second arc-shaped plates which are rotationally connected; by arranging a clip-shaped plate which is in sliding connection, a bolt I and a bolt hole I which are arranged in a matched manner at the arc-shaped plate I, the bolt I and the bolt hole I are separated from each other, and by arranging a fixing assembly and a detachable bolt II, the clip-shaped plate can be detached conveniently; and the first arc-shaped plate and the second arc-shaped plate which are rotationally connected can be conveniently opened and closed, the connecting structure can be conveniently and directly disassembled at the pipe body, and the disassembling progress of the pipeline connecting structure is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of natural gas pipeline accessories, in particular to a natural gas pipeline connection structure. Background Art

[0002] Natural gas refers to all gases that exist in the spontaneous combustion world, including gases formed by spontaneous combustion in the atmosphere, hydrosphere and lithosphere. People have long referred to natural gas as a mixture of hydrocarbon and non-hydrocarbon gases stored in the strata. Natural gas pipelines refer to pipelines that transport natural gas from mining sites or processing plants to urban gas distribution centers or industrial enterprise users. They are also called gas transmission pipelines. The use of natural gas pipelines to transport natural gas is a way to transport large quantities of natural gas on land. During the docking and installation process of natural gas pipelines, connection structures are required for connection.

[0003] Among them, the "a kind of pipe connection device" disclosed in the application number "CN202021353247.9" "comprises a pipe connection device body, the pipe connection device body comprises a support tube, a fixing seat is welded on the support tube, a threaded column is arranged on the fixing seat, a movable seat is arranged on the support tube, a bearing is arranged on the movable seat, one end of the threaded column is mounted on the bearing, a mounting tube is arranged inside the support tube, a fixing device is arranged on the mounting tube, the fixing device comprises a connecting tube, one end of the connecting tube is welded on the mounting tube, a groove is arranged on the connecting tube, and a clamping ring 1 and a clamping ring 2 are arranged on the groove". In the utility model, the pipe to be docked is inserted into the interior of the support tube, and the pipe is quickly positioned and fixed by cooperating with the internal fixing device through the interface, which facilitates the operation of the next step and effectively improves the work efficiency; the pipe connection device cooperates with the movable seat through the threaded column, and the protrusion at the bottom of the movable seat cooperates with the connecting hose, and the outer wall of the internal pipe is fixed by moving to both sides while the protrusion cooperates with the internal rubber ring.

[0004] However, the above method still has the following defects: the support pipe is sleeved inside the pipeline for connection and fixation, but it is inconvenient for workers to disassemble the support pipe sleeved on the pipeline, that is, the pipeline connection structure, which affects the disassembly progress of the pipeline connection structure. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a natural gas pipeline connection structure, which has the advantages of facilitating the opening and closing operations of the rotatably connected arc plate 1 and the arc plate 2, facilitating the disassembly of the connection structure directly at the pipe body, and ensuring the disassembly progress of the pipeline connection structure, thereby solving the problems raised by the above-mentioned background technology.

[0006] The utility model provides the following technical solutions: a natural gas pipeline connection structure, comprising two pipe bodies, two rotatably connected arc plates 1 are sleeved between the two pipe bodies, the inner wall of the arc plate 1 is provided with a sealing gasket, a circular plate is slidably arranged between the arc plates 1, the internal thread of the circular plate is provided with a bolt 1, the interior of the arc plate 1 is provided with a bolt hole 1 matching the bolt 1, the surface of the pipe body is sleeved with two rotatably connected arc plates 2, and the inner wall of the arc plate 2 is provided with an anti-slip pad, the interior of the circular plate is provided with a fixing component to fix the arc plate 2, support plates are provided on both sides of the bottom end of the arc plate 1 located at the bottom, a moving component is provided on one side of the support plate, and a sealing ring is provided at one end of the pipe body.

[0007] As a preferred technical solution of the utility model, the two arc-shaped plates 1 are rotatably connected via a rotating block 1, and a rectangular groove 1 corresponding to the rotating block 1 is provided on the surface of the arc-shaped plate 1 located at the top.

[0008] As a preferred technical solution of the utility model, the two arc-shaped plates are rotatably connected via a rotating block, and a rectangular groove corresponding to the rotating block is provided on the surface of the arc-shaped plate at the top.

[0009] As a preferred technical solution of the utility model, the bolt 1 is threadedly connected to the bolt hole 1, and the inner wall of the sealing pad and the inner wall of the anti-slip pad are in contact with the surface of the tube body.

[0010] As a preferred technical solution of the utility model, the fixing assembly includes two bolts 2, and the two bolts 2 are arranged inside the circular plate. The interior of the arc plate 2 is provided with a bolt hole 2 matching the bolt 2, and the bolt 2 is threadedly connected to the bolt hole 2, and the interior of the circular plate is provided with an arc groove that moves with the bolt 2.

[0011] As a preferred technical solution of the utility model, four T-shaped limit strips are symmetrically arranged on the surface of the arc-shaped plate one, and the inner wall of the circular plate is provided with limit grooves matching the T-shaped limit strips, and the T-shaped limit strips are slidably connected to the limit grooves.

[0012] As a preferred technical solution of the utility model, the movable component includes a threaded rod, which is rotatably connected to one side of the support plate. The surface thread of the threaded rod is provided with a support block, and the top of the support block is fixedly connected to the bottom end of the arc plate 2 located at the bottom.

[0013] As a preferred technical solution of the utility model, a knob is provided at one end of the threaded rod away from the support plate, and the surface of the knob is provided with anti-slip grooves. A guide rod is provided for sliding inside the support block, and one end of the guide rod is fixedly connected to one side of the support plate.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. The natural gas pipeline connection structure uses a slidingly connected circular plate set at one part of the arc plate, and cooperates with the provided bolt 1 and the bolt hole 1, so that the bolt 1 and the bolt hole are separated from each other, and the provided fixing assembly is cooperated to disassemble the provided bolt 2, so that it is convenient to disassemble the circular plate, facilitate the opening and closing operation of the rotatably connected arc plate 1 and the arc plate 2, and facilitate the disassembly of the connection structure directly at the pipe body, thereby ensuring the disassembly progress of the pipeline connection structure.

[0016] 2. The natural gas pipeline connection structure, through the setting of the moving component, drives the threaded rod to move through the knob, cooperates with the guide rod, can make the support block move along the direction of the threaded rod, so that the two pipe bodies clamped by the arc plate 2 are slightly brought together, cooperates with the sealing ring, thereby facilitating the improvement of the sealing between the pipe bodies, and its use is convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is one of the three-dimensional structural schematic diagrams of the utility model;

[0018] Figure 2 This is a schematic diagram of the exploded structure of the arc plate 1 of the utility model;

[0019] Figure 3 For this utility model Figure 2 A is an enlarged structural diagram;

[0020] Figure 4 This is a schematic diagram of the explosion structure of the arc plate 2 of the utility model;

[0021] Figure 5 It is a schematic diagram of the explosion structure of the pipe body of the utility model;

[0022] Figure 6 This is the second schematic diagram of the three-dimensional structure of the utility model.

[0023] In the figure: 1. tube body; 2. arc plate 1; 3. sealing gasket; 4. circular plate; 5. arc plate 2; 6. sealing ring; 7. bolt 1; 8. bolt hole 2; 9. fixing assembly; 901. bolt 2; 902. arc groove; 903. T-type limit strip; 904. limit groove; 10. rotating block 1; 11. support plate; 12. moving assembly; 1201. threaded rod; 1202. support block; 1203. knob; 1204. guide rod; 13. rotating block 2; 14. anti-slip pad. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. It is obvious that the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Embodiment 1:

[0026] See also Figure 1-6 The utility model provides a natural gas pipeline connection structure, including two pipe bodies 1, two rotatably connected arc plates 2 are sleeved between the two pipe bodies 1, and the inner wall of the arc plate 2 is provided with a sealing gasket 3, so that the two pipe bodies 1 can be connected and fixed by the two arc plates 2 and the two sealing gaskets 3. A circular plate 4 is slidably arranged between the arc plates 2, and the internal thread of the circular plate 4 is provided with a bolt 7. The interior of the arc plate 2 is provided with a bolt hole 1 that matches the bolt 7. The circular plate 4 that is slidably connected is arranged at the arc plate 2, and the bolt 7 and the bolt hole 1 are matched, so that the bolt 7 and the bolt hole 1 are separated, so that it is convenient to disassemble the circular plate 4 later, so as to facilitate the opening and closing operation of the rotatably connected arc plate 2, and it is convenient to directly connect the pipeline connection structure to the pipe body 1 The disassembly is performed at the place to ensure the disassembly progress of the pipeline connection structure. The surface of the pipe body 1 is sleeved with two rotatably connected arc plates 2 5, and the inner wall of the arc plate 2 5 is provided with an anti-slip pad 14. A fixing component 9 is provided inside the circular plate 4 to fix the arc plate 2 5. The corresponding two arc plates 2 5 are disassembled by the provided fixing component 9, so that the circular plate 4 is disassembled and removed, which is convenient for opening the two arc plates 1 2 and the arc plate 2 5, and convenient for disassembly. Support plates 11 are provided on both sides of the bottom end of the arc plate 1 2 at the bottom, and a moving component 12 is provided on one side of the support plate 11. A sealing ring 6 is provided at one end of the pipe body 1, which is convenient for driving the two groups of arc plates 2 5 to move in opposite directions at the same time through the provided moving component 12, and cooperates with the sealing ring 6, so as to greatly improve the sealing effect between the pipe bodies 1;

[0027] The fixing assembly 9 includes two bolts 901, which are arranged inside the circular plate 4. A bolt hole 8 matching the bolt 901 is provided inside the arc plate 5, and the bolt 901 is threadedly connected to the bolt hole 8. An arc groove 902 movable with the bolt 901 is provided inside the circular plate 4. By providing the bolt 901 and the bolt hole 8, the corresponding two rotatably connected arc plates 5 play a role of connection and fixing, and at the same time, it is convenient to disassemble the provided pipeline connection structure by disassembling the bolt 901.

[0028] Four T-shaped limit strips 903 are symmetrically arranged on the surface of the arc-shaped plate 1 2, and a limit groove 904 matching the T-shaped limit strip 903 is opened on the inner wall of the circular plate 4, and the T-shaped limit strip 903 is slidably connected with the limit groove 904, which is convenient for the installation of the circular plate 4 and drives the limit guide function;

[0029] The two arc plates 2 are rotatably connected via a rotating block 10, and a rectangular groove 1 corresponding to the rotating block 10 is provided on the surface of the arc plate 2 at the top, so that the two arc plates 2 can rotate, and under the action of the rectangular groove 1, the arc plate 2 is not restricted in any way during the rotation process.

[0030] Embodiment 2:

[0031] The moving assembly 12 includes a threaded rod 1201, which is rotatably connected to one side of the support plate 11. A support block 1202 is provided on the surface of the threaded rod 1201. The top of the support block 1202 is fixedly connected to the bottom end of the arc-shaped plate 2 5 at the bottom. The support block 1202 moves along the direction of the threaded rod 1201 through the rotation of the threaded rod 1201, so that the arc-shaped plate 2 5 moves.

[0032] A knob 1203 is provided at one end of the threaded rod 1201 away from the support plate 11, and the surface of the knob 1203 is provided with anti-slip grooves, and a guide rod 1204 is provided inside the support block 1202 for sliding, and one end of the guide rod 1204 is fixedly connected to one side of the support plate 11, so that the threaded rod 1201 can be driven to rotate in the forward and reverse directions by the knob 1203, which is convenient for the staff to operate and plays a role of limiting and guiding the movement of the support block 1202;

[0033] The two arc plates 5 are rotatably connected by a rotating block 13. A rectangular groove 2 corresponding to the rotating block 13 is provided on the surface of the arc plate 5 at the top, so that the two arc plates 5 can rotate, and under the action of the rectangular groove 2, the arc plate 5 is not restricted in any way during the rotation process.

[0034] Bolt 1 7 is threadedly connected to bolt hole 1, and the inner wall of sealing gasket 3 and the inner wall of anti-skid pad 14 are in contact with the surface of pipe body 1, so as to facilitate threaded fixation of two arc plates 1 2, so that sealing gasket 3 can seal the pipe and anti-skid pad 14 can prevent the pipe from slipping.

[0035] When in use, first place the pipe connection structure at the work site, then remove the bolt 1 7 and the two bolts 2 901 on the pipe connection structure, then slide and remove the circular plate 4 slidably connected at the arc plate 1 2 and the arc plate 2 5, then open the two rotatably connected arc plates 1 2, and open the two rotatably connected arc plates 2 5, so that the arc plate 1 2 is located at the interface of the two pipe bodies 1, then use the rotatably connected arc plates 2 5 to buckle them, then cooperate with the set T-shaped limit strip 903, and put the circular plate 4 on the surface of the arc plate 1 2 and the arc plate 2 5, then use the two bolts 2 901 to cooperate with the bolt holes 2 8 at the arc plate 2 5, so as to facilitate the installation and fixation of the two arc plates 2 5, and cooperate with the anti-slip pad 14 to firmly fix the two pipe bodies 1, at this time, the sealing pad 3 at the arc plate 2 and the pipe The bodies 1 are slidably connected, and the two arc plates 2 cooperate with the circular plate 4 to maintain the stability of the two tube bodies 1. Then, the set knob 1203 is used to drive the threaded rod 1204 to rotate forward at the same time, and cooperate with the guide rod 1201 and the arc groove 902, as well as the sealing ring 6, so that the two tube bodies 1 are brought closer to each other, which can greatly improve the sealing between the tube bodies 1 and the tube bodies 1. Then, the set bolt 7 is used to cooperate with the bolt hole 1 to connect and fix the arc plate 2 and the circular plate 4 to complete the installation of the pipeline connection structure. When the pipeline connection structure needs to be disassembled, it is only necessary to remove the set bolt 7 and the two bolts 901, and slide the circular plate 4 to remove it, and open and close the rotatably connected arc plate 2 and arc plate 2 5 to remove them. It is easy to use and convenient to disassemble and assemble the pipeline connection structure.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A natural gas pipeline connection structure, comprising two pipe bodies (1), Features: Two rotatably connected arc plates (2) are sleeved between the two tube bodies (1), the inner wall of the arc plate (2) is provided with a sealing gasket (3), a circular plate (4) is slidably arranged between the arc plates (2), the internal thread of the circular plate (4) is provided with a bolt (7), the interior of the arc plate (2) is provided with a bolt hole (1) matching the bolt (7), the surface of the tube body (1) is sleeved with two rotatably connected arc plates (5), and the inner wall of the arc plate (5) is provided with an anti-slip pad (14), the interior of the circular plate (4) is provided with a fixing component (9) to fix the arc plate (5), the bottom end of the arc plate (2) located at the bottom is provided with support plates (11) on both sides, and a moving component (12) is provided on one side of the support plate (11), and a sealing ring (6) is provided at one end of the tube body (1).

2. The natural gas pipeline connection structure according to claim 1, Features: The two arc-shaped plates (2) are rotatably connected via a rotating block (10), and a rectangular groove (1) corresponding to the rotating block (10) is provided on the surface of the arc-shaped plate (2) at the top.

3. The natural gas pipeline connection structure according to claim 1, Features: The two arc-shaped plates (5) are rotatably connected via a rotating block (13), and a rectangular groove (2) corresponding to the rotating block (13) is provided on the surface of the arc-shaped plate (5) at the top.

4. The natural gas pipeline connection structure according to claim 1, Features: The bolt one (7) is threadedly connected to the bolt hole one, and the inner wall of the sealing pad (3) and the inner wall of the anti-slip pad (14) are both in contact with the surface of the tube body (1).

5. The natural gas pipeline connection structure according to claim 1, Features: The fixing assembly (9) comprises two bolts (901), the two bolts (901) being arranged inside the circular plate (4), the interior of the arc plate (5) being provided with bolt holes (8) matching the bolts (901), and the bolts (901) being threadedly connected to the bolt holes (8), and the interior of the circular plate (4) being provided with arc grooves (902) moving with the bolts (901).

6. The natural gas pipeline connection structure according to claim 1, Features: The surface of the arc-shaped plate (2) is symmetrically provided with four T-shaped limit strips (903), and the inner wall of the circular plate (4) is provided with a limit groove (904) matching the T-shaped limit strip (903), and the T-shaped limit strip (903) is slidably connected to the limit groove (904).

7. The natural gas pipeline connection structure according to claim 1, Features: The moving assembly (12) comprises a threaded rod (1201), the threaded rod (1201) is rotatably connected to one side of the support plate (11), a support block (1202) is threadedly provided on the surface of the threaded rod (1201), and the top end of the support block (1202) is fixedly connected to the bottom end of the arc-shaped plate 2 (5) located at the bottom.

8. The natural gas pipeline connection structure according to claim 7, Features: A knob (1203) is provided at one end of the threaded rod (1201) away from the support plate (11), and a surface of the knob (1203) is provided with anti-slip grooves. A guide rod (1204) is provided inside the support block (1202) for sliding, and one end of the guide rod (1204) is fixedly connected to one side of the support plate (11).

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