Metal pipeline with self-sealing structure

Abstract

The metal pipeline with the self-sealing structure comprises two pipe bodies and a connecting pipe, the pipe bodies are connected with the end of the connecting pipe, a sealing structure is arranged at the connecting position of the pipe bodies and the connecting pipe, the sealing structure comprises a sleeve assembly, a threaded connecting ring and an extrusion assembly, the sleeve assembly comprises a cylinder body and a fixing ring, and the threaded connecting ring is connected with the sleeve body through the threaded connecting ring. The threaded connecting ring is movably arranged on the outer surface of the barrel in a sleeving mode, and internal threads are formed in the inner wall of the threaded connecting ring; when the pipe body and the connecting pipe are connected, a worker can rotate the threaded connecting ring to drive the pipe body and the connecting pipe to move oppositely, the extrusion assembly extrudes and seals the connecting portion between the pipe body and the connecting pipe, and therefore the sealing effect is achieved, and the threaded connecting ring used for extrusion and the extrusion assembly are both of a detachable structural design. And in addition, disassembly is convenient and fast, and personnel can regularly overhaul and replace the threaded connecting ring and the extrusion assembly, so that the good sealing performance of the pipeline system is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of pipelines, and in particular relates to a metal pipeline with a self-sealing structure. Background Art

[0002] Metal pipes are a commonly used device in life. They are often used to transport various liquids or gases. When arranging metal pipes, it is often necessary to connect two mutually perpendicular pipes at a corner. At this time, a special corner connecting pipe is required. In the entire piping system, the connection of the pipes will be the key to the sealing effect of the entire system.

[0003] When connecting pipes, in order to ensure the sealing effect of the connection, it is often necessary to squeeze the sealing accessories at the pipe connection position against each other. Over time, these mutually squeezed accessories are prone to deformation and breakage when stretched. At this time, pipeline maintenance and inspection are required. These damaged accessories are troublesome to disassemble and assemble. Some are integrally formed with the pipe body and cannot be disassembled. The entire pipe can only be replaced, which causes inconvenience to the inspection and maintenance work. Therefore, it is necessary to design a new metal pipe to solve this problem. Utility Model Content

[0004] The utility model aims to provide a metal pipe with a self-sealing structure to solve the problem of inconvenient inspection and replacement of sealing components on the metal pipe proposed in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a metal pipe with a self-sealing structure, comprising two pipe bodies and a connecting pipe, the pipe bodies are connected to the ends of the connecting pipes, a sealing structure is arranged at the connection between the two, the sealing structure comprises a sleeve assembly, a threaded connecting ring and an extrusion assembly, the sleeve assembly comprises a barrel and a fixed ring, the threaded connecting ring is movably sleeved on the outer surface of the barrel, the inner wall of the threaded connecting ring is provided with an internal thread, the outer wall of the connecting pipe is provided with an external thread, the threaded connecting ring is threadedly connected to the connecting pipe, the extrusion assembly comprises a fixed ring, a ferrule and a gasket, the fixed ring is fixedly sleeved on the surface of the pipe body, the ferrule is movably sleeved on the surface of the pipe body and is located on one side of the fixed ring, the gasket is fixed on one side of the ferrule and is in extrusion contact with the end surface of the connecting pipe.

[0006] Preferably, the cylinder is fixed to the outer surface of the tube body, the fixing ring is fixed to one end of the cylinder close to the connecting pipe, and the cylinder and the fixing ring form a T-shaped cross section.

[0007] Preferably, the extrusion assembly further comprises a plugging stake and a plugging hole, wherein the plugging stake is fixed on a side surface of the ferrule facing the fixing ring, and the plugging stake is inserted into the inside of the plugging hole provided on the surface of the fixing ring.

[0008] Preferably, the extrusion assembly further comprises a notch, and the notch is opened on the edge surfaces of the fixing ring and the ferrule.

[0009] Preferably, the outer surface of the threaded connection ring is provided with anti-slip grooves, and the end of the tube body is in close contact with the inner wall of the connecting pipe.

[0010] Preferably, a reinforcement structure is provided on the surface of the connecting pipe, and the reinforcement structure includes a reinforcement ring, a reinforcement arm, a bolt, a nut and a reinforcement ring. There are two reinforcement rings, which are sleeved on the outer surfaces of both ends of the connecting pipe. The reinforcement arm is fixed on the surface of the reinforcement ring, and the reinforcement ring is fixed on the end of the reinforcement arm. The two reinforcement rings are aligned one above and one below, and the bolt passes through the two reinforcement rings and is threadedly connected to the nut.

[0011] Preferably, a rubber ring is provided on the inner wall of the reinforcement ring and fits with the outer surface of the connecting pipe.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] When connecting the pipe body and the connecting pipe, personnel can drive the pipe body and the connecting pipe to move toward each other by rotating the threaded connecting ring, and let the extrusion assembly squeeze and seal the connecting part between the pipe body and the connecting pipe, thereby playing a sealing role. The threaded connecting ring and the extrusion assembly used for extrusion are both detachable structural designs, and are easy and quick to disassemble. Personnel can regularly inspect and replace the threaded connecting ring and the extrusion assembly to ensure good sealing of the pipeline system. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a top sectional view of the utility model;

[0015] Figure 2 For this utility model Figure 1 A partial enlarged view of the middle sealing structure;

[0016] Figure 3 For this utility model Figure 2 A partial enlarged view of the extrusion component;

[0017] Figure 4 For this utility model Figure 1 A bottom-up cross-sectional view of the middle reinforcement structure;

[0018] In the figure: 100, tube body; 200, connecting tube; 300, sealing structure; 301, sleeve assembly; 3011, cylinder; 3012, fixing ring; 302, threaded connecting ring; 303, extrusion assembly; 3031, fixing ring; 3032, ferrule; 3033, gasket; 3034, plug pile; 3035, socket; 3036, notch; 400, reinforcement structure; 401, reinforcement ring; 402, reinforcement arm; 403, bolt; 404, nut; 405, reinforcement ring. DETAILED DESCRIPTION

[0019] 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.

[0020] Example

[0021] See also Figures 1 to 4 , is an embodiment of the utility model, and this embodiment provides a technical solution: a metal pipe with a self-sealing structure, comprising two pipe bodies 100 and a connecting pipe 200, the pipe body 100 is connected to the end of the connecting pipe 200, and a sealing structure 300 is arranged at the connection between the two to achieve a sealing effect, the sealing structure 300 comprises a sleeve assembly 301, a threaded connection ring 302 and an extrusion assembly 303, the sleeve assembly 301 comprises a cylinder 3011 and a fixing ring 3012, the cylinder 3011 is fixed on the outer surface of the pipe body 100, the fixing ring 3012 is fixed on one end of the cylinder 3011 close to the connecting pipe 200, and the cylinder 3011 and the fixing ring 3012 form a T-shaped cross-section, the threaded connection ring 302 is movably sleeved on the outer surface of the cylinder 3011, and the threaded connection ring 302 can be removed from the end of the cylinder 3011 away from the fixing ring 3012, so as to Replacement, the inner wall of the threaded connecting ring 302 is provided with an internal thread, and the outer wall of the connecting pipe 200 is provided with an external thread. The personnel can rotate the threaded connecting ring 302 to move it toward the connecting pipe 200 and threadedly connect it with the connecting pipe 200. By squeezing the fixing ring 3012, the pipe body 100 and the connecting pipe 200 are moved toward each other. The extrusion assembly 303 includes a fixing ring 3031, a ferrule 3032 and a gasket 3033. The fixing ring 3031 is fixedly sleeved on the surface of the pipe body 100, the ferrule 3032 is movably sleeved on the surface of the pipe body 100 and is located on one side of the fixing ring 3031, and the gasket 3033 is fixed on one side of the ferrule 3032. The personnel can remove the ferrule 3032 together with the gasket 3033 from the pipe body 100 for replacement. When making a sealed connection, the gasket 3033 is squeezed and contacted with the end surface of the connecting pipe 200 by tightening the threaded connecting ring 302, thereby achieving a sealing effect.

[0022] In this embodiment, preferably, the extrusion assembly 303 further includes a plug 3034 and a socket 3035, the plug 3034 is fixed on the side surface of the ring 3032 facing the fixed ring 3031, and the plug 3034 is inserted into the inside of the socket 3035 opened on the surface of the fixed ring 3031 to ensure a stable connection between the fixed ring 3031 and the ring 3032, and the extrusion assembly 303 further includes a notch 3036, which is opened on the edge surfaces of the fixed ring 3031 and the ring 3032. The notch 3036 can be pried to separate the ring 3032 from the fixed ring 3031, so that the ring 3032 can be replaced.

[0023] In this embodiment, preferably, the outer surface of the threaded connection ring 302 is provided with anti-skid grooves to prevent slipping, and the end of the tube body 100 is in close contact with the inner wall of the connecting pipe 200 to ensure the connection stability.

[0024] In this embodiment, preferably, a reinforcement structure 400 is provided on the surface of the connecting pipe 200 to reinforce the connecting pipe 200. The reinforcement structure 400 includes a reinforcement ring 401, a reinforcement arm 402, a bolt 403, a nut 404 and a reinforcement ring 405. There are two reinforcement rings 401, which are sleeved on the outer surfaces of both ends of the connecting pipe 200. The reinforcement arms 402 are fixed on the surface of the reinforcement ring 401, so the number of the reinforcement arms 402 is also two. There is a height difference between the two reinforcement arms 402. The reinforcement ring 405 is fixed at the end of the reinforcement arm 402. The two reinforcement rings 405 are aligned and distributed one above and one below. The bolt 403 passes through the two reinforcement rings 405 and is threadedly connected to the nut 404. The above structure provides certain support to the connecting pipe 200, thereby playing a reinforcement role. A rubber ring is provided on the inner wall of the reinforcement ring 401, which fits with the outer surface of the connecting pipe 200 to ensure good sleeve stability.

[0025] Although the embodiments of the present invention have been shown and described (see the above detailed description for details), it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A metal pipe with a self-sealing structure, comprising two pipe bodies (100) and a connecting pipe (200), characterized in that: The tube body (100) is connected to the end of the connecting tube (200), and a sealing structure (300) is provided at the connection between the two. The sealing structure (300) comprises a sleeve assembly (301), a threaded connection ring (302) and an extrusion assembly (303). The sleeve assembly (301) comprises a cylinder (3011) and a fixing ring (3012). The threaded connection ring (302) is movably sleeved on the outer surface of the cylinder (3011). The inner wall of the threaded connection ring (302) is provided with an internal thread. The outer wall of the connecting tube (200) is provided with an internal thread. An external thread is provided, the threaded connection ring (302) is threadedly connected to the connecting pipe (200), the extrusion assembly (303) comprises a fixing ring (3031), a ferrule (3032) and a washer (3033), the fixing ring (3031) is fixedly sleeved on the surface of the pipe body (100), the ferrule (3032) is movably sleeved on the surface of the pipe body (100) and is located on one side of the fixing ring (3031), and the washer (3033) is fixed on one side of the ferrule (3032) and is in extrusion contact with the end surface of the connecting pipe (200).

2. The metal pipe with a self-sealing structure according to claim 1, characterized in that: The cylinder (3011) is fixed on the outer surface of the tube body (100), the fixing ring (3012) is fixed on one end of the cylinder (3011) close to the connecting tube (200), and the cylinder (3011) and the fixing ring (3012) form a T-shaped cross section.

3. The metal pipe with a self-sealing structure according to claim 1, characterized in that: The extrusion assembly (303) further comprises a plug (3034) and a socket (3035), wherein the plug (3034) is fixed on a surface of the ring (3032) facing the fixed ring (3031), and the plug (3034) is inserted into the socket (3035) provided on the surface of the fixed ring (3031).

4. The metal pipe with a self-sealing structure according to claim 1, characterized in that: The extrusion assembly (303) further comprises a notch (3036), wherein the notch (3036) is formed on the edge surfaces of the fixing ring (3031) and the ferrule (3032).

5. The metal pipe with a self-sealing structure according to claim 1, characterized in that: The outer surface of the threaded connection ring (302) is provided with anti-slip grooves, and the end of the tube body (100) is in close contact with the inner wall of the connection tube (200).

6. The metal pipe with a self-sealing structure according to claim 1, characterized in that: The surface of the connecting pipe (200) is provided with a reinforcement structure (400), and the reinforcement structure (400) comprises a reinforcement ring (401), a reinforcement arm (402), a bolt (403), a nut (404) and a reinforcement ring (405). There are two reinforcement rings (401), which are sleeved on the outer surfaces of both ends of the connecting pipe (200). The reinforcement arm (402) is fixed on the surface of the reinforcement ring (401), and the reinforcement ring (405) is fixed on the end of the reinforcement arm (402). The two reinforcement rings (405) are aligned and distributed one above and one below. The bolt (403) passes through the two reinforcement rings (405) and is threadedly connected to the nut (404).

7. The metal pipe with a self-sealing structure according to claim 6, characterized in that: The inner wall of the reinforcement ring (401) is provided with a rubber ring, and fits with the outer surface of the connecting pipe (200).

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