Leakage-proof connecting assembly for gas pipeline

Abstract

The utility model discloses a gas pipeline leakproof connecting assembly, which belongs to the technical field of gas pipelines, and comprises a buffer assembly and a connecting pipe, the connecting pipe is communicated with two sides of the buffer assembly, the inner side of the buffer assembly is clamped with a fitting pipe, the surface of the fitting pipe is provided with a fitting port, and the fitting port is connected with the buffer assembly. A conveying pipe is clamped to the inner side of the attaching pipe, a drainage opening is formed in the surface of the conveying pipe, the buffer assembly and the connecting pipe are arranged, the contraction plate can be matched with the fixing pipe and the fixing rod, and along with supporting of the attaching pipe and deformation of fluid conveyed by the attaching opening, the contraction plate can be conveniently and rapidly detached when the fluid is conveyed; the contraction plate can expand along with pressure generated by liquid conveying, when negative pressure is generated in the conveying pipe, the contraction plate can be gradually attached to the attaching opening, external air is prevented from entering the conveying pipe, the connecting pipe can be externally connected with a fluid conveying pipeline, fluid is conveyed into the conveying pipe, and therefore the conveying pipe can be matched with the drainage opening.

Description

Technical Field

[0001] The utility model relates to the technical field of gas pipelines, in particular to a leak-proof connection assembly for gas pipelines. Background Art

[0002] Gas pipe leak-proof connection components are connectors used in gas pipe systems to prevent gas leakage and provide a safe connection.

[0003] At present, the Chinese utility model with publication number: CN220957223U discloses a leak-proof connection device between a gas meter and a gas pipeline, comprising a main pipeline and a gas pipeline, wherein the gas pipeline is rotatably connected to the inside of the main pipeline, a fixing device is provided at the right end of the main pipeline, and a sealing and leak-proof device is provided on the right side of the fixing device. The leak-proof connection device between the gas meter and the gas pipeline, when the main pipeline and the gas pipeline are threaded together, the main pipeline and the gas pipeline are further fixed by inserting the plug rod into the inside of the plug hole to prevent them from loosening and falling off after long-term use, thereby causing gas leakage. After the main pipeline and the gas pipeline are connected, the threaded rod is twisted to rotate downward in the threaded hole, thereby pushing two arc-shaped rubber pads to fit tightly against the outer surface of the gas pipeline, sealing it, thereby preventing gas leakage.

[0004] When connecting gas pipelines, connection components are used, and gas pipeline leak-proof connection components are one of them. However, when using existing connection components, due to the lack of an air pressure buffer stabilization structure, it is impossible to adaptively adjust the pipeline pressure as the air pressure changes during gas transportation, which reduces the flexibility of the pipeline when in use. Utility Model Content

[0005] The utility model provides a leak-proof connection component for a gas pipeline, aiming to solve the problem that the existing connection component cannot adaptively adjust the pipeline pressure as the gas pressure changes during gas transportation due to the lack of an air pressure buffer stabilization structure, thereby reducing the flexibility of the pipeline during use.

[0006] The utility model is implemented as follows: a gas pipeline leak-proof connection assembly includes a buffer assembly and a connecting pipe, the connecting pipe is connected to both sides of the buffer assembly, a fitting pipe is clamped on the inner side of the buffer assembly, a fitting opening is opened on the surface of the fitting pipe, a delivery pipe is clamped on the inner side of the fitting pipe, and a drainage opening is opened on the surface of the delivery pipe;

[0007] The buffer assembly includes a fixed tube, a contraction plate and a fixed rod. The fixed rod is bolted to the inner side of the fixed tube. The contraction plate is fixedly connected to the inner side of the fixed rod. The side of the inner side of the fixed rod away from the contraction plate is bolted to the surface of the fitting tube. The inner side of the contraction plate is in contact with the inner side of the fitting opening.

[0008] In order to increase the structural stability of the fixing rod, as a preferred leak-proof connection assembly for a gas pipeline of the present invention, a reinforcement rod is bolted to the inner side of the fixing rod, and the reinforcement rod is designed to be circular.

[0009] In order to increase the stability of the fixed pipe structure, as a preferred leak-proof connection component for a gas pipeline of the present invention, a reinforcement plate is bolted to the surface of the fixed pipe, and the reinforcement plate is configured as a ring.

[0010] In order to increase the airtightness of the connection between the connecting pipe and the fixed pipe, as a preferred leak-proof connection component of the gas pipeline of the present invention, the inner side of the connecting pipe is clamped with a sealing ring, and the inner side of the sealing ring is clamped with both sides of the fixed pipe.

[0011] In order to increase the structural stability of the connecting pipe, as a preferred leak-proof connection component for a gas pipeline of the present invention, both sides of the connecting pipe are connected with reinforcement rings, and the surface of the reinforcement rings is engraved with anti-slip patterns.

[0012] In order to increase the stability of the connection between the fitting pipe and the fixing rod, as a preferred leak-proof connection component of the gas pipeline of the present invention, the surface of the fitting pipe is bolted with a reinforcing plate, and the surface of the reinforcing plate is bolted to the fixing rod.

[0013] In order to increase the delivery stability of the delivery pipe, as a preferred leak-proof connection component for a gas pipeline of the present invention, a guide pipe is clamped on the inner side of the delivery pipe, and guide lines are engraved on the inner side of the guide pipe.

[0014] In order to increase the contact tightness between the drainage port and the fitting port, a gas pipeline leak-proof connection component is preferably configured in the present invention in which a sealed tube is clamped on the inner side of the drainage port, and the surface of the sealed tube contacts the inner side of the fitting port.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] The gas pipeline leak-proof connection component is provided with a buffer component and a connecting pipe. The contraction plate can cooperate with the fixed pipe and the fixed rod. With the support of the fitting pipe and the fluid transported by the fitting port, it deforms. When the fluid is transported, the contraction plate will expand with the pressure generated by the transported liquid. When negative pressure is generated in the delivery pipe, the contraction plate will gradually fit with the fitting port to prevent external gas from entering the delivery pipe. The connecting pipe can be connected to an external fluid pipeline to transport the fluid into the delivery pipe, thereby allowing the delivery pipe to cooperate with the drainage port. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1This is the overall structural diagram of the gas pipeline leak-proof connection assembly of the present utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the buffer assembly in the present utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the closed loop in the utility model;

[0020] Figure 4 This is a schematic structural diagram of the reinforcement plate in the present invention;

[0021] Figure 5 This is a structural diagram of the guide tube in the present utility model.

[0022] In the figure, 1. Buffer assembly; 101. Fixed tube; 102. Contraction plate; 103. Fixed rod; 2. Connecting tube; 3. Fitting tube; 4. Fitting port; 5. Delivery tube; 6. Drainage port; 7. Reinforcement rod; 8. Reinforcement plate; 9. Sealed ring; 10. Reinforcement ring; 11. Reinforcement plate; 12. Guide tube; 13. Sealed tube. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0024] In the description of the present invention, it should be understood that the terms "length," "width," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inside," "outside," and the like, indicating positions or location relationships, are based on the positions or location relationships shown in the accompanying drawings and are intended solely to facilitate the description of the present invention and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on the present invention. Furthermore, in the description of the present invention, "plurality" means two or more, unless otherwise expressly and specifically defined.

[0025] See also Figure 1-5 The utility model provides a technical solution: a gas pipeline leak-proof connection component, including a buffer component 1 and a connecting pipe 2, the connecting pipe 2 is connected to both sides of the buffer component 1, the inner side of the buffer component 1 is clamped with a fitting pipe 3, the surface of the fitting pipe 3 is provided with a fitting opening 4, the inner side of the fitting pipe 3 is clamped with a delivery pipe 5, the surface of the delivery pipe 5 is provided with a drainage opening 6;

[0026] The buffer assembly 1 includes a fixed tube 101, a shrinkage plate 102 and a fixed rod 103. The fixed rod 103 is bolted to the inner side of the fixed tube 101, and the shrinkage plate 102 is fixedly connected to the inner side of the fixed rod 103. The inner side of the fixed rod 103 away from the shrinkage plate 102 is bolted to the surface of the fitting tube 3, and the inner side of the shrinkage plate 102 is in contact with the inner side of the fitting opening 4.

[0027] In this embodiment: by setting up the buffer assembly 1 and the connecting tube 2, the shrinkage plate 102 can cooperate with the fixed tube 101 and the fixed rod 103, and deform with the support of the fitting tube 3 and the fluid transported by the fitting port 4. When transporting the fluid, the shrinkage plate 102 will expand with the pressure generated by the transported liquid, and when negative pressure is generated in the delivery tube 5, the shrinkage plate 102 will gradually fit with the fitting port 4 to prevent external gas from entering the delivery tube 5. The connecting tube 2 can be connected to an external fluid pipeline to transport the fluid into the delivery tube 5, so that the delivery tube 5 can cooperate with the drainage port 6.

[0028] As a technical optimization solution of the present invention, a reinforcement rod 7 is bolted to the inner side of the fixing rod 103, and the reinforcement rod 7 is designed to be circular.

[0029] In this embodiment, by providing the reinforcement rod 7 , the reinforcement rod 7 can be cooperated with the reinforcement rod 7 to further reinforce the reinforcement rod 7 , thereby increasing the structural stability of the fixing rod 103 .

[0030] As a technical optimization solution of the present invention, a reinforcement plate 8 is bolted to the surface of the fixed pipe 101 , and the reinforcement plate 8 is set to be annular.

[0031] In this embodiment, the reinforcement plate 8 is provided to cooperate with the fixed tube 101 to provide auxiliary reinforcement for the fixed tube 101 , thereby increasing the structural stability of the fixed tube 101 .

[0032] As a technical optimization solution of the present invention, a sealing ring 9 is clamped on the inner side of the connecting pipe 2 , and the inner side of the sealing ring 9 is clamped on both sides of the fixed pipe 101 .

[0033] In this embodiment, the sealing ring 9 is provided to cooperate with the connecting pipe 2 to reinforce the connection between the connecting pipe 2 and the fixed pipe 101 , thereby increasing the sealing performance of the connection between the connecting pipe 2 and the fixed pipe 101 .

[0034] As a technical optimization solution of the present invention, both sides of the connecting pipe 2 are connected with reinforcement rings 10, and the surface of the reinforcement rings 10 is engraved with anti-slip patterns.

[0035] In this embodiment, the reinforcement ring 10 is provided to cooperate with the connecting pipe 2 to further reinforce the connecting pipe 2, thereby increasing the structural stability of the connecting pipe 2.

[0036] As a technical optimization solution of the present invention, a reinforcing plate 11 is bolted to the surface of the fitting tube 3 , and the surface of the reinforcing plate 11 is bolted to the fixing rod 103 .

[0037] In this embodiment, the reinforcing plate 11 is provided to cooperate with the fitting tube 3 to reinforce the connection between the fitting tube 3 and the fixing rod 103, thereby increasing the stability of the connection between the fitting tube 3 and the fixing rod 103.

[0038] As a technical optimization solution of the present invention, a guide tube 12 is clamped on the inner side of the delivery tube 5 , and the inner side of the guide tube 12 is engraved with guide lines.

[0039] In this embodiment, the guide tube 12 is provided to cooperate with the delivery tube 5 to further guide the delivered fluid, thereby increasing the delivery stability of the delivery tube 5 .

[0040] As a technical optimization solution of the present invention, a sealed tube 13 is clamped on the inner side of the drainage port 6 , and the surface of the sealed tube 13 contacts the inner side of the fitting port 4 .

[0041] In this embodiment, the sealing tube 13 is provided to cooperate with the drainage port 6 to reinforce the connection between the drainage port 6 and the fitting port 4, thereby increasing the contact tightness between the drainage port 6 and the fitting port 4.

[0042] Working principle: First, connect the connecting pipe 2 to the gas delivery pipe 5. Then, when the gas is delivered and generates a large pressure, the gas will be delivered from the drainage port 6 on the delivery pipe 5 to the fitting port 4 on the fitting pipe 3. Then, the gas will push the shrinkage plate 102, and the shrinkage plate 102 will gradually deform along the fixed rod 103 in the fixed pipe 101 to adapt to the larger pressure. When the pressure of the delivered gas becomes smaller, the shrinkage plate 102 will gradually fit toward the fitting port 4 as the negative pressure generated by the smaller pressure is reduced until the delivery of the gas is completed.

[0043] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A gas pipeline leak-proof connection assembly, comprising a buffer assembly (1) and a connecting pipe (2), characterized in that: The connecting tube (2) is connected to both sides of the buffer assembly (1); a fitting tube (3) is clamped on the inner side of the buffer assembly (1); a fitting opening (4) is provided on the surface of the fitting tube (3); a delivery tube (5) is clamped on the inner side of the fitting tube (3); a drainage opening (6) is provided on the surface of the delivery tube (5); The buffer assembly (1) comprises a fixed tube (101), a shrinkage plate (102) and a fixed rod (103); the fixed rod (103) is bolted to the inner side of the fixed tube (101); the shrinkage plate (102) is fixedly connected to the inner side of the fixed rod (103); the inner side of the fixed rod (103) away from the shrinkage plate (102) is bolted to the surface of the fitting tube (3); and the inner side of the shrinkage plate (102) is in contact with the inner side of the fitting opening (4).

2. A gas pipeline leak-proof connection assembly according to claim 1, characterized in that: A reinforcing rod (7) is bolted to the inner side of the fixing rod (103), and the reinforcing rod (7) is circular.

3. The gas pipeline leak-proof connection assembly according to claim 1, characterized in that: A reinforcement plate (8) is bolted to the surface of the fixed tube (101), and the reinforcement plate (8) is arranged in a ring shape.

4. A gas pipeline leak-proof connection assembly according to claim 1, characterized in that: A sealed ring (9) is clamped on the inner side of the connecting tube (2), and the inner side of the sealed ring (9) is clamped on both sides of the fixed tube (101).

5. The gas pipeline leak-proof connection assembly according to claim 1, characterized in that: Both sides of the connecting pipe (2) are connected to a reinforcement ring (10), and the surface of the reinforcement ring (10) is engraved with anti-slip patterns.

6. A gas pipeline leak-proof connection assembly according to claim 1, characterized in that: A reinforcing plate (11) is bolted to the surface of the fitting tube (3), and the surface of the reinforcing plate (11) is bolted to the fixing rod (103).

7. The gas pipeline leak-proof connection assembly according to claim 1, characterized in that: A guide tube (12) is clamped on the inner side of the delivery tube (5), and the inner side of the guide tube (12) is engraved with guide lines.

8. The gas pipeline leak-proof connection assembly according to claim 1, characterized in that: The inner side of the drainage port (6) is clamped with a sealed tube (13), and the surface of the sealed tube (13) is in contact with the inner side of the fitting port (4).

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