Connecting pipe connecting structure

Abstract

The utility model discloses a connecting pipe connecting structure which comprises a pipeline A, a connecting piece A and a connecting piece B. The pipeline A is provided with the connecting piece A, the connecting piece A is connected with the connecting piece B through a mounting bolt, the connecting piece B is provided with a pipeline B. The connecting piece A is internally provided with a connecting pipe, the two sides in the connecting pipe are both provided with connecting rods, and the connecting pipe is connected with the connecting piece B through a mounting bolt. One end of the connecting rod is connected with a limiting piece, an inner pipe is arranged in the connecting piece B, and one end of the inner pipe is provided with a limiting block. According to the connecting pipe, the inner pipe is rotated after passing through the notch to enable the limiting piece to be located between the limiting blocks, so that the inner pipe is connected with the connecting pipe, the connecting stability of a pipe body is improved, and operation is easy; and the sealing effect after the pipe body is connected is improved, and loosening and falling are prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of connecting pipes, in particular to a connecting pipe connecting structure. Background Art

[0002] A connecting pipe is a pipe connector, usually a component that connects two or more pipes together. Usually, the connecting pipe is made of metal, including copper, steel, stainless steel, etc. Pipe connection is a device that connects parts in a series of pipeline systems to transport gases, liquids, solid particles and other substances.

[0003] After searching, Chinese utility model patent CN110486547A discloses a pipeline connection structure and a connection method thereof, which belongs to the field of pipeline docking technology. The connection structure includes a connection pipe and two connection mechanisms. The pipeline is connected to the connection pipe through the connection mechanism. The connection mechanism includes a connection inner tube, a first sealing ring, a connection outer tube, and a clamping member. The connection inner tube includes an inner tube body and a plurality of connection arc plates. The outer surface of the connection arc plates is set as a conical surface, and the outer diameter of the connection arc plates gradually decreases in the direction away from the inner tube body. The connection outer tube includes an outer tube body sleeved on the outer peripheral surface of the inner tube body and threadedly connected thereto, a connection sleeve, and a fastening ring plate that conflicts with the outer surface of the connection arc plate. The clamping member includes a first circular plate, a circular bottom plate, and a second circular plate. A clamping circular plate is fixed on the second circular plate, and a clamping groove is provided on the first circular plate. The pipeline connection structure can not only realize the recycling of the connection pipe, but also facilitate the alignment of the connection pipe and the pipeline, making the docking of the two pipelines more convenient and more stable.

[0004] The existing device has the following problems when in use: the pipe connection operation is relatively complicated, the efficiency of the pipe connection is low, and the flow of the medium when the pipe is in use causes the pipe body to vibrate, and the connection becomes fatigued due to the vibration, so that the threaded connection becomes loose, reducing the stability of the connection. Summary of the invention

[0005] The purpose of the utility model is to provide a connecting pipe connection structure to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a connecting pipe connection structure, comprising a pipeline A, a connecting member A, and a connecting member B, wherein the pipeline A is provided with the connecting member A, the connecting member A is connected to the connecting member B by installing bolts, the connecting member B is provided with the pipeline B, a connecting pipe is provided in the connecting member A, connecting rods are provided on both sides of the connecting pipe, one end of the connecting rod is connected to a limiting plate, an inner pipe is provided in the connecting member B, and a limiting block is provided at one end of the inner pipe.

[0007] By adopting the above technical solution, the inner tube in connector B is inserted into the connecting tube inside connector A, and the inner tube is rotated after passing through the slot so that the limit plate is located between the limit blocks, thereby connecting the inner tube to the connecting tube, improving the connection stability of the tube body, simplifying the operation, and increasing the sealing effect after the tube body is connected to prevent loosening and falling off.

[0008] Preferably, a sealing ring is provided in the connecting member A, and the sealing ring is adapted to the inner tube.

[0009] By adopting the above technical solution, the inner tube cooperates with the sealing ring to prevent leakage of the tube body.

[0010] Preferably, a connecting groove is provided in the connecting member B, a sealing gasket is fixed in the connecting groove, and an inner tube is provided inside the sealing gasket.

[0011] By adopting the above technical solution, the sealing performance is improved.

[0012] Preferably, the limiting plate is arranged in an arc shape, and the inner surface of the limiting plate is fitted with an inner tube.

[0013] By adopting the above technical solution, the fit between the limiting plate and the inner tube is improved, avoiding shaking.

[0014] Preferably, a notch is formed between the two groups of limiting blocks, and the inner diameter of the notch is larger than the outer diameter of the limiting piece.

[0015] By adopting the above technical solution, the limiting piece moves through the notch.

[0016] Preferably, both the connecting member A and the connecting member B are provided with threaded holes, and the threaded holes are adapted to the mounting bolts.

[0017] By adopting the above technical solution, the connecting member A and the connecting member B are installed and connected by installing bolts.

[0018] Preferably, the limiting block is arranged in an arc shape, and an inner tube is arranged in the connecting tube.

[0019] Compared with the prior art, the beneficial effect of the utility model is that the inner tube is rotated after passing through the slot so that the limit plate is located between the limit blocks, thereby connecting the inner tube to the connecting tube, improving the connection stability of the tube body, simplifying the operation, increasing the sealing effect after the tube body is connected, and preventing loosening and falling off. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0021] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model.

[0022] Figure 3 This is a structural schematic diagram of the connecting piece A of the utility model.

[0023] Figure 4 This is a schematic diagram of the structure of the connecting piece B of the utility model.

[0024] In the figure: 1. Pipeline A; 2. Connector A; 3. Connecting pipe; 4. Limit block; 5. Limit plate; 6. Connecting rod; 7. Inner pipe; 8. Sealing gasket; 9. Pipeline B; 10. Connector B; 11. Connecting groove; 12. Sealing ring; 13. Mounting bolt; 14. Notch. DETAILED DESCRIPTION

[0025] 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.

[0026] The utility model provides a technical solution: a connecting pipe connection structure, including a pipeline A1, a connecting piece A2, and a connecting piece B10, please refer to Figure 1 , Figure 2 The pipeline A1 is provided with a connector A2, and the connector A2 is connected to a connector B10 through a mounting bolt 13. The connector B10 is provided with a pipeline B9. The connectors A2 and B10 are both provided with threaded holes, and the threaded holes are matched with the mounting bolts 13. The connectors A2 and B10 are installed and connected by the mounting bolts 13. A sealing ring 12 is provided in the connector A2, and the sealing ring 12 is matched with the inner tube 7. A connecting groove 11 is provided in the connector B10, and a sealing gasket 8 is fixed in the connecting groove 11. The inner tube 7 is provided inside the sealing gasket 8. The sealing ring 12 and the sealing gasket 8 keep the connection between the inner tube 7 and the connecting pipe 3 in a sealed state to avoid leakage.

[0027] See also Figure 1 , Figure 2 , Figure 3 , Figure 4A connecting tube 3 is provided in the connecting member A2, and connecting rods 6 are provided on both sides of the connecting tube 3. One end of the connecting rod 6 is connected to a limiting plate 5. An inner tube 7 is provided in the connecting member B10, and a limiting block 4 is provided at one end of the inner tube 7. The limiting plate 5 is arranged in an arc shape, and the inner surface of the limiting plate 5 is fitted with the inner tube 7. A notch 14 is formed between the two groups of limiting blocks 4. The inner diameter of the notch 14 is larger than the outer diameter of the limiting block 5. The limiting block 4 is arranged in an arc shape. The inner tube 7 is provided in the connecting tube 3. The inner tube 7 in the connecting member B10 is inserted into the connecting tube 3 inside the connecting member A2. After the inner tube 7 passes through the notch 14, it is rotated so that the limiting plate 5 is located between the limiting blocks 4, thereby connecting the inner tube 7 to the connecting tube 3, improving the connection stability of the tube body, simple operation, convenient installation, and not prone to loosening and falling off.

[0028] Working principle: insert the inner tube 7 in the connector B10 into the connecting tube 3 inside the connector A2, rotate the inner tube 7 after passing through the slot 14 so that the limit plate 5 is located between the limit blocks 4, thereby connecting the inner tube 7 to the connecting tube 3, improving the connection stability of the tube body, and maintaining the connection between the inner tube 7 and the connecting tube 3 in a sealed state through the sealing ring 12 and the sealing gasket 8, and install and connect the connector A2 and the connector B10 through the installation bolts 13.

[0029] 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 connecting pipe connection structure, comprising a pipe A (1), a connecting piece A (2), and a connecting piece B (10), characterized in that: The pipeline A (1) is provided with a connecting member A (2), the connecting member A (2) is connected to a connecting member B (10) via a mounting bolt (13), the connecting member B (10) is provided with a pipeline B (9), a connecting pipe (3) is provided in the connecting member A (2), connecting rods (6) are provided on both sides of the connecting pipe (3), one end of the connecting rod (6) is connected to a limiting plate (5), an inner pipe (7) is provided in the connecting member B (10), and a limiting block (4) is provided at one end of the inner pipe (7).

2. A connecting pipe connection structure according to claim 1, characterized in that: A sealing ring (12) is provided inside the connecting piece A (2), and the sealing ring (12) is adapted to fit the inner tube (7).

3. A connecting pipe connection structure according to claim 1, characterized in that: The connecting piece B (10) is provided with a connecting groove (11), a sealing gasket (8) is fixed in the connecting groove (11), and an inner tube (7) is provided inside the sealing gasket (8).

4. The connecting pipe connection structure according to claim 1, characterized in that: The limiting piece (5) is arranged in an arc shape, and the inner surface of the limiting piece (5) is fitted with an inner tube (7).

5. The connecting pipe connection structure according to claim 1, characterized in that: A notch (14) is formed between the two groups of limit blocks (4), and the inner diameter of the notch (14) is greater than the outer diameter of the limit plate (5).

6. The connecting pipe connection structure according to claim 1, characterized in that: The connecting member A (2) and the connecting member B (10) are both provided with threaded holes, and the threaded holes are adapted to fit the mounting bolts (13).

7. The connecting pipe connection structure according to claim 1, characterized in that: The limiting block (4) is arranged in an arc shape, and an inner tube (7) is arranged in the connecting tube (3).

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