Gas pipes with self-sealing joints

Abstract

The utility model relates to the technical field of gas pipelines, and provides a gas pipeline with a self-sealing joint, including a pipeline assembly and a second pipeline, wherein the pipeline assembly includes a first pipeline, a limit plate, a fixed pipe and a connecting pipe, and one end of the first pipeline is fixed with the limit plate. The utility model is provided with a disassembly and assembly structure, and the sealing ring is moved to the inside of the groove, the second pipeline is moved, one end of the second pipeline is made to collide with one end of the connecting pipe, the fixed pipe is rotated, and the fixed pipe is rotated on the outside of the connecting pipe. Under the action of the thread, the connecting pipe and the fixed pipe are fixed to each other. When the second pipeline squeezes the groove, under the action of the cavity, the sealing between the fixed pipe and the connecting pipe is enhanced. Under the action of the reserved groove, the sealing ring is conveniently taken out from the inside of the groove for replacement, and the function of the device to facilitate the replacement of the sealing ring is realized, thereby improving the applicability of the gas pipeline with a self-sealing joint when in use.

Description

Technical Field

[0001] The utility model relates to the technical field of gas pipelines, in particular to a gas pipeline with a sealing joint. Background Art

[0002] A gas pipeline is a facility that transports fuels such as natural gas or liquefied petroleum gas to cities or industrial enterprises through pipelines to supply energy. Gas pipelines are widely used in cities, industrial enterprises, and daily life. They are channels connecting gas transmission stations and users. Pipeline joints are essential connectors in the laying of gas pipelines. They are used to seal two gas pipelines. Therefore, a gas pipeline with a built-in sealing joint will be used.

[0003] The existing gas pipelines with self-sealing joints are inconvenient to disassemble and assemble during use. The sealing rings are easily worn out after long-term use, and it is inconvenient to replace the sealing rings, thereby reducing the sealing performance and easily leaking, making the gas pipelines less suitable for use. Utility Model Content

[0004] The utility model aims to provide a gas pipeline with a self-sealing joint, so as to solve the defect that the existing gas pipeline with a self-sealing joint is inconvenient to disassemble and assemble.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a gas pipeline with a sealing joint, comprising a pipeline assembly and a second pipeline;

[0006] The pipeline assembly includes a first pipeline, a limiting plate, a fixed pipe and a connecting pipe, wherein one end of the first pipeline is fixed with a limiting plate, one side of the limiting plate is fixed with a connecting pipe, a fixed pipe is arranged outside the connecting pipe, and a second pipeline is arranged inside the fixed pipe at one end away from the connecting pipe;

[0007] The outer sides of the first pipe and the second pipe are both provided with protective structures, and one side of the top of the fixed pipe is provided with a lubrication structure;

[0008] A disassembly and assembly structure is provided on one side of the connecting pipe, and the disassembly and assembly structure includes a groove, a sealing ring, a reserved groove and a cavity. The groove is provided on one side of the connecting pipe, and a sealing ring is provided inside the groove. Reserved grooves are provided inside the connecting pipes at both ends of the groove, and a cavity is provided inside the sealing ring.

[0009] When the device is used, by providing a disassembly and assembly structure, the function of facilitating replacement of the sealing ring of the device is realized, thereby improving the applicability of the gas pipeline with a self-sealing joint when in use; by providing a protective structure, the function of facilitating protection of the device is realized, thereby extending the service life of the gas pipeline with a self-sealing joint when in use; by providing a lubrication structure, the function of facilitating lubrication of the device is realized, thereby improving the convenience of the gas pipeline with a self-sealing joint when in use.

[0010] Preferably, an outer wall of the connecting pipe is provided with an external thread, an inner wall of the fixed pipe outside the connecting pipe is provided with an internal thread, the fixed pipe and the connecting pipe are engaged with each other through the thread, and one end of the second pipe extends to the outside of the fixed pipe.

[0011] Preferably, the protective structure includes a protective layer, a reinforcement layer and a polyurethane layer, the polyurethane layer is fixed on the outer wall of the first pipe and the second pipe, the outer wall of the polyurethane layer is provided with a reinforcement layer, and the outer wall of the reinforcement layer is provided with a protective layer. The polyurethane layer is provided on the outer side of the first pipe and the second pipe, and under the action of the polyurethane layer, it is a high-quality anti-corrosion material, and has excellent properties such as heat preservation, fire prevention, anti-corrosion, and pressure resistance.

[0012] Preferably, the protective layer is actually an epoxy resin coating, and the reinforcing layer is actually a polyethylene layer. The reinforcing layer is actually a polyethylene layer, which has excellent properties such as corrosion resistance, pressure resistance, impact resistance, and heat preservation, so that the surfaces of the first pipeline and the second pipeline have better compression resistance, thereby better resisting damage. The protective layer is actually an epoxy resin coating, which has excellent electrical insulation, corrosion resistance, corrosion resistance, and heat resistance, preventing the surfaces of the first pipeline and the second pipeline from being corroded.

[0013] Preferably, the lubrication structure includes a sealing cover, an elastic rope, an oil injection hole and a sealing block, wherein the oil injection hole is arranged on one side of the top of the fixed tube, a sealing block is arranged on the top of the oil injection hole, the top end of the sealing block extends to the outside of the fixed tube and is fixed with a sealing cover, and the top end of the sealing cover is fixed with an elastic rope. When the elastic rope is pulled, the elastic rope drives the sealing cover to move, and the sealing cover drives the sealing block to move to the outside of the oil injection hole, and the lubricating oil is injected into the inside of the oil injection hole through the needle tube, and the sealing cover is moved, and the sealing cover drives the sealing block to move to the inside of the oil injection hole, and the elastic rope is used to prevent the sealing cover from being lost.

[0014] Preferably, the end of the elastic rope away from the sealing cover is fixedly connected to the top of the fixed pipe, and the sealing block and the fixed pipe form a clamping structure through the oil injection hole. By injecting lubricating oil, the friction coefficient between the fixed pipe and the connecting pipe can be reduced, making the torque more uniform. The lubricating oil can also form a protective film to prevent oxidation and corrosion between the fixed pipe and the connecting pipe, thereby increasing their service life.

[0015] Preferably, the sealing ring and the connecting pipe form a snap-fit ​​structure through the groove, and the reserved grooves are symmetrically distributed at both ends of the connecting pipe. Move the sealing ring to the inside of the groove, move the second pipe so that one end of the second pipe contacts one end of the connecting pipe, rotate the fixed pipe, and the fixed pipe rotates outside the connecting pipe. Under the action of the thread, the connecting pipe and the fixed pipe are fixed to each other. When the second pipe squeezes the groove, the sealing between the fixed pipe and the connecting pipe is enhanced under the action of the cavity. Under the action of the reserved groove, it is convenient to take out the sealing ring from the inside of the groove for replacement.

[0016] The gas pipeline with a self-sealing joint provided by the utility model has the following advantages:

[0017] By providing a disassembly and assembly structure, the sealing ring is moved to the inside of the groove, the second pipe is moved so that one end of the second pipe conflicts with one end of the connecting pipe, the fixed pipe is rotated, and the fixed pipe is rotated outside the connecting pipe. Under the action of the thread, the connecting pipe and the fixed pipe are fixed to each other. When the second pipe squeezes the groove, the sealing between the fixed pipe and the connecting pipe is enhanced under the action of the cavity. Under the action of the reserved groove, the sealing ring is conveniently taken out from the inside of the groove for replacement, realizing the function of facilitating the replacement of the sealing ring of the device, thereby improving the applicability of the gas pipeline with a self-sealing joint when in use;

[0018] By providing a protective structure, a polyurethane layer is provided on the outside of the first pipeline and the second pipeline. Under the action of the polyurethane layer, it is a high-quality anti-corrosion material, and has excellent properties such as heat preservation, fire prevention, corrosion resistance, and pressure resistance. The reinforcement layer is actually a polyethylene layer, which has excellent properties such as corrosion resistance, pressure resistance, impact resistance, and heat preservation, so that the surfaces of the first pipeline and the second pipeline can obtain better compression resistance, thereby better resisting damage. The protective layer is actually an epoxy resin coating, which has excellent electrical insulation, corrosion resistance, corrosion resistance, and heat resistance, preventing the surfaces of the first pipeline and the second pipeline from being corroded, realizing the function of the device being easy to protect, thereby extending the service life of the gas pipeline with a self-sealing joint when in use;

[0019] By providing a lubrication structure, the elastic rope is pulled, the elastic rope drives the sealing cover to move, the sealing cover drives the sealing block to move to the outside of the oil filling hole, the lubricating oil is injected into the inside of the oil filling hole through the needle tube, the sealing cover is moved, and the sealing cover drives the sealing block to move to the inside of the oil filling hole. Under the action of the elastic rope, the sealing cover is prevented from being lost. By injecting the lubricating oil, the friction coefficient between the fixed pipe and the connecting pipe can be reduced, making the torque more uniform. The lubricating oil can also form a protective film to prevent oxidation and corrosion between the fixed pipe and the connecting pipe, thereby increasing their service life, thus realizing the function of facilitating lubrication of the device, thereby improving the convenience of using the gas pipeline with a self-sealing joint. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0021] Figure 2 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0022] Figure 3 For the utility model Figure 2 The enlarged structural diagram at A in the middle;

[0023] Figure 4 This is a schematic diagram of an enlarged front cross-sectional structure of the lubrication structure of the utility model;

[0024] Figure 5 It is a three-dimensional structural schematic diagram of the disassembly and assembly structure section of the utility model;

[0025] Figure 6 It is a schematic diagram of the explosion three-dimensional structure of the utility model.

[0026] Explanation of the reference numerals in the figure: 1. Pipe assembly; 101. First pipeline; 102. Limiting plate; 103. Fixed pipe; 104. Connecting pipe; 2. Protective structure; 201. Protective layer; 202. Reinforcement layer; 203. Polyurethane layer; 3. Second pipeline; 4. Lubrication structure; 401. Sealing cover; 402. Elastic rope; 403. Oil filling hole; 404. Sealing block; 5. Disassembly and assembly structure; 501. Groove; 502. Sealing ring; 503. Reserved groove; 504. Cavity. DETAILED DESCRIPTION

[0027] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0028] See also Figure 1-Figure 6The utility model provides a gas pipeline with a sealing joint, including a pipeline component 1 and a second pipeline 3. The pipeline component 1 includes a first pipeline 101, a limit plate 102, a fixed pipe 103 and a connecting pipe 104. The limit plate 102 is fixed at one end of the first pipeline 101, and the connecting pipe 104 is fixed on one side of the limit plate 102. The fixing pipe 103 is arranged on the outer side of the connecting pipe 104. The second pipeline 3 is arranged at one end of the fixed pipe 103 away from the connecting pipe 104. The outer sides of the first pipeline 101 and the second pipeline 3 are both provided with a protective structure 2. The protective structure 2 includes a protective layer 201, a reinforcement Layer 202 and polyurethane layer 203, the polyurethane layer 203 is fixed on the outer wall of the first pipe 101 and the second pipe 3, the outer wall of the polyurethane layer 203 is provided with a reinforcing layer 202, the outer wall of the reinforcing layer 202 is provided with a protective layer 201, the protective layer 201 is actually an epoxy resin coating, and the reinforcing layer 202 is actually a polyethylene layer. An external thread is provided on the outer wall of the connecting pipe 104, and an internal thread is provided on the inner wall of the fixed pipe 103 outside the connecting pipe 104. The fixed pipe 103 and the connecting pipe 104 are meshed with each other through threads, and one end of the second pipe 3 extends to the outside of the fixed pipe 103.

[0029] Reference Figure 2 and Figure 3 As shown, a polyurethane layer 203 is provided on the outer side of the first pipe 101 and the second pipe 3. Under the action of the polyurethane layer 203, it is a high-quality anti-corrosion material, and has excellent properties such as heat preservation, fire prevention, corrosion resistance, and pressure resistance. The reinforcement layer 202 is actually a polyethylene layer, which has excellent properties such as corrosion resistance, pressure resistance, impact resistance, heat preservation, etc., so that the surfaces of the first pipe 101 and the second pipe 3 have better compression resistance, thereby better resisting damage. The protective layer 201 is actually an epoxy resin coating, which has excellent electrical insulation, corrosion resistance, corrosion resistance, and heat resistance, and prevents the surfaces of the first pipe 101 and the second pipe 3 from being corroded.

[0030] A lubrication structure 4 is provided on one side of the top of the fixed tube 103, and the lubrication structure 4 includes a sealing cover 401, an elastic rope 402, an oil filling hole 403 and a sealing block 404. The oil filling hole 403 is provided on one side of the top of the fixed tube 103, and a sealing block 404 is provided on the top of the oil filling hole 403. The top of the sealing block 404 extends to the outside of the fixed tube 103 and is fixed with the sealing cover 401. The top of the sealing cover 401 is fixed with an elastic rope 402, and one end of the elastic rope 402 away from the sealing cover 401 is fixedly connected to the top of the fixed tube 103, and the sealing block 404 and the fixed tube 103 form a clamping structure through the oil filling hole 403.

[0031] Reference Figure 2 and Figure 4As shown, the elastic rope 402 is pulled, and the elastic rope 402 drives the sealing cover 401 to move, and the sealing cover 401 drives the sealing block 404 to move to the outside of the oil filling hole 403, and the lubricating oil is injected into the inside of the oil filling hole 403 through the needle tube, and the sealing cover 401 is moved, and the sealing cover 401 drives the sealing block 404 to move to the inside of the oil filling hole 403. Under the action of the elastic rope 402, the sealing cover 401 is prevented from being lost. By injecting the lubricating oil, the friction coefficient between the fixed tube 103 and the connecting tube 104 can be reduced, so that the torque is more uniform, and the lubricating oil can also form a protective film to prevent oxidation and corrosion between the fixed tube 103 and the connecting tube 104, thereby increasing their service life.

[0032] A disassembly structure 5 is provided on one side of the connecting tube 104, and the disassembly structure 5 includes a groove 501, a sealing ring 502, a reserved groove 503 and a cavity 504. The groove 501 is provided on one side of the connecting tube 104, and a sealing ring 502 is provided inside the groove 501. Reserved grooves 503 are provided inside the connecting tube 104 at both ends of the groove 501, and a cavity 504 is provided inside the sealing ring 502. The sealing ring 502 and the connecting tube 104 form a clamping structure through the groove 501, and the reserved grooves 503 are symmetrically distributed at both ends of the connecting tube 104.

[0033] Reference Figure 5 and Figure 6 As shown, the sealing ring 502 is moved to the inside of the groove 501, the second pipe 3 is moved so that one end of the second pipe 3 conflicts with one end of the connecting pipe 104, and the fixed pipe 103 is rotated. The fixed pipe 103 rotates on the outside of the connecting pipe 104. Under the action of the thread, the connecting pipe 104 and the fixed pipe 103 are fixed to each other. When the second pipe 3 squeezes the groove 501, under the action of the cavity 504, the sealing between the fixed pipe 103 and the connecting pipe 104 is enhanced. Under the action of the reserved groove 503, the sealing ring 502 is conveniently taken out from the inside of the groove 501 for replacement.

[0034] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A gas pipeline with a self-sealing joint, comprising a pipeline assembly (1) and a second pipeline (3); Features: The pipeline assembly (1) comprises a first pipeline (101), a limiting plate (102), a fixed pipe (103) and a connecting pipe (104); one end of the first pipeline (101) is fixed with the limiting plate (102); one side of the limiting plate (102) is fixed with the connecting pipe (104); the fixing pipe (103) is arranged on the outside of the connecting pipe (104); and the second pipeline (3) is arranged at one end of the fixing pipe (103) away from the connecting pipe (104); The outer sides of the first pipe (101) and the second pipe (3) are both provided with a protective structure (2), and one side of the top of the fixed pipe (103) is provided with a lubrication structure (4); A disassembly structure (5) is provided on one side of the interior of the connecting tube (104), and the disassembly structure (5) comprises a groove (501), a sealing ring (502), a reserved groove (503) and a cavity (504). The groove (501) is provided on one side of the interior of the connecting tube (104), and a sealing ring (502) is provided inside the groove (501). Reserved grooves (503) are provided inside the connecting tubes (104) at both ends of the groove (501), and a cavity (504) is provided inside the sealing ring (502).

2. The gas pipeline with a sealing joint according to claim 1 is characterized in that: An external thread is provided on the outer wall of the connecting pipe (104), and an internal thread is provided on the inner wall of the fixed pipe (103) outside the connecting pipe (104). The fixed pipe (103) and the connecting pipe (104) are meshed with each other through the thread, and one end of the second pipe (3) extends to the outside of the fixed pipe (103).

3. The gas pipeline with a sealing joint according to claim 1 is characterized in that: The protective structure (2) comprises a protective layer (201), a reinforcement layer (202) and a polyurethane layer (203); the polyurethane layer (203) is fixed on the outer walls of the first pipe (101) and the second pipe (3); the reinforcement layer (202) is arranged on the outer walls of the polyurethane layer (203); and the protective layer (201) is arranged on the outer walls of the reinforcement layer (202).

4. The gas pipeline with a self-sealing joint according to claim 3 is characterized in that: The protective layer (201) is actually an epoxy resin coating, and the reinforcing layer (202) is actually a polyethylene layer.

5. The gas pipeline with a self-sealing joint according to claim 1 is characterized in that: The lubrication structure (4) comprises a sealing cover (401), an elastic rope (402), an oil injection hole (403) and a sealing block (404); the oil injection hole (403) is arranged on one side of the top of the fixed tube (103); the sealing block (404) is arranged on the top of the oil injection hole (403); the top end of the sealing block (404) extends to the outside of the fixed tube (103) and is fixed with the sealing cover (401); the top end of the sealing cover (401) is fixed with the elastic rope (402).

6. The gas pipeline with a self-sealing joint according to claim 5 is characterized in that: One end of the elastic rope (402) away from the sealing cover (401) is fixedly connected to the top end of the fixed tube (103), and the sealing block (404) and the fixed tube (103) form a snap-fit ​​structure through the oil injection hole (403).

7. The gas pipeline with a self-sealing joint according to claim 1 is characterized in that: The sealing ring (502) and the connecting pipe (104) form a snap-fit ​​structure via the groove (501), and the reserved grooves (503) are symmetrically distributed at both ends inside the connecting pipe (104).

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