Device for quickly connecting gas cylinder and pressure reducing valve

Abstract

The utility model provides a device for quickly connecting a gas cylinder and a pressure reducing valve, which relates to the technical field of connecting devices, and comprises a pipeline A and a pipeline B. The surface of the pipeline A is fixedly provided with an annular plate, the surface of the annular plate is fixedly provided with a telescopic rod, the surface of the telescopic rod is sleeved with a spring, one end of the telescopic rod is fixedly provided with a pressing plate, and the other end of the telescopic rod is fixedly provided with a spring. And the pressing plate is slidably connected with the pipeline A, a limiting groove is formed in the inner side of the pipeline A, an arc-shaped block is slidably connected to the inner side of the limiting groove, and a positioning groove is formed in the inner side of the pipeline A. According to the utility model, through the arrangement of the annular plate, the telescopic rod, the spring, the pressing plate, the limiting groove, the arc-shaped block, the positioning groove, the positioning pin, the sealing gasket, the connecting pipe and the clamping groove, the quick connection work between the gas cylinder and the pressure reducing valve can be completed in the working process, so that the mounting efficiency and the maintenance efficiency can be effectively improved, and the mounting process is simple and convenient; later maintenance work is facilitated, and the service life is long.

Description

Technical Field

[0001] The utility model relates to the technical field of connecting devices, in particular to a device for quickly connecting a gas cylinder and a pressure reducing valve. Background Art

[0002] The connection device between the gas cylinder and the pressure reducing valve is usually called a joint or interface, which is designed to ensure safe connection and effective sealing so as to release the gas from the gas cylinder into the pressure reducing valve, and is generally connected using a pipeline. Publication No. CN208417868U discloses a pipeline that is easy to dock. The key points of its technical solution are that it includes a pipe body, a flange is sleeved on the outside of the pipe body, and bolts for docking are arranged on the flange. The end of the pipe body is integrally provided with a flared portion with an outer diameter greater than the inner diameter of the flange, and the thickness of the flared portion is greater than the thickness of the pipe body. The inner wall of the flange and the side wall of the flared portion are both inclined surfaces that fit each other, and the flange is used to clamp the flared portion through the inclined surface. However, the docking method of this kind of pipeline needs to be connected and fixed with bolts, and the bolts need to be disassembled and assembled during the actual installation process. The installation process is relatively time-consuming and labor-intensive, and if multiple maintenance is required, after the bolts are used multiple times, the threads inside the threaded hole may even wear out, resulting in a reduction in connection stability, which needs to be improved. Utility Model Content

[0003] The purpose of the utility model is to solve the technical problems raised in the above background technology.

[0004] The utility model adopts the following technical scheme: a device for quickly connecting a gas cylinder and a pressure reducing valve, comprising a pipeline A and a pipeline B, a ring plate is fixedly installed on the surface of the pipeline A, a telescopic rod is fixedly installed on the surface of the ring plate, a spring is sleeved on the surface of the telescopic rod, a pressing plate is fixedly installed on one end of the telescopic rod, the pressing plate is slidably connected to the pipeline A, a limiting groove is provided on the inner side of the pipeline A, an arc block is slidably connected on the inner side of the limiting groove, a positioning groove is provided on the inner side of the pipeline A, a positioning pin is inserted into the inner side of the positioning groove, a sealing gasket is sleeved on the surface of the positioning pin, a connecting pipe is fixedly installed on the inner side of the pipeline B, and a clamping groove is provided on the surface of the connecting pipe.

[0005] Preferably, the positioning pin is fixedly installed on the side of the pipe B. Here, by providing the positioning pin, the stability during the connection process can be improved and the use performance can be improved.

[0006] Preferably, one end of the spring is fixedly mounted on the surface of the ring plate, and the other end of the spring is fixedly mounted on the inner side of the pressure plate. Here, by setting the spring, the pressure plate can be driven to press on the surface of the arc block during operation, thereby achieving fixing work.

[0007] Preferably, the pressing plate is slidably connected to the pipe A, and the sealing gasket is made of natural rubber. Here, the sealing gasket made of natural rubber has good elasticity and wear resistance, and has excellent sealing effect.

[0008] Preferably, a connection seat is fixedly installed on the surface of the pipe A, a connection plate is inserted inside the connection seat, a protective plate is fixedly installed on the top of the connection plate, and bolts are inserted inside the connection seat. Here, by providing the connection seat, the connection plate, the protective plate, and the bolts, not only the stability during the connection process can be improved, but also protection can be provided to prevent the impact of external forces.

[0009] Preferably, the inner side of the connecting plate is provided with threads, and the threads provided on the inner side of the connecting plate mesh with the threads on the surface of the bolts. Here, by providing the threads on the inner side of the connecting plate, the connecting plate and the protective plate can be firmly installed by the bolts.

[0010] Compared with the prior art, the advantages and positive effects of the utility model are:

[0011] 1. In the utility model, by arranging the ring plate, telescopic rod, spring, pressure plate, limit groove, arc block, positioning groove, positioning pin, sealing gasket, connecting pipe and card slot, the quick connection between the gas cylinder and the pressure reducing valve can be completed during the working process, thereby effectively improving the installation efficiency and maintenance efficiency, and the installation process is simple and convenient, which is convenient for the later maintenance work and has a long service life.

[0012] 2. In the utility model, by providing a connecting seat, a connecting plate, a protective plate and bolts, during the working process, not only can the stability of the connection between the gas cylinder and the pressure reducing valve be effectively improved, but also a certain protection effect can be provided to prevent external force impact from affecting the stability of the pipeline connection. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 A schematic diagram of a device for quickly connecting a gas cylinder and a pressure reducing valve is provided for the utility model;

[0014] Figure 2 An exploded diagram of a device for quick connection between a gas cylinder and a pressure reducing valve is proposed for the utility model;

[0015] Figure 3 The utility model proposes a device for quickly connecting a gas cylinder and a pressure reducing valve Figure 2 A in the enlarged view;

[0016] Figure 4 The utility model provides a partial structural exploded schematic diagram of a device for quickly connecting a gas cylinder and a pressure reducing valve;

[0017] Figure 5The utility model proposes a device for quickly connecting a gas cylinder and a pressure reducing valve Figure 4 Enlarged view of point B in .

[0018] Legend:

[0019] 1. Pipe A; 2. Pipe B; 3. Ring plate; 4. Telescopic rod; 5. Spring; 6. Pressure plate; 7. Limiting groove; 8. Arc block; 9. Positioning groove; 10. Positioning pin; 11. Sealing gasket; 12. Connecting pipe; 13. Slot; 14. Connecting seat; 15. Connecting plate; 16. Protective plate; 17. Bolt. DETAILED DESCRIPTION

[0020] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0022] Embodiment 1

[0023] See also Figure 1-5 The utility model provides a technical solution: a device for quickly connecting a gas cylinder and a pressure reducing valve, comprising a pipeline A1 and a pipeline B2, a ring plate 3 is fixedly installed on the surface of the pipeline A1, a telescopic rod 4 is fixedly installed on the surface of the ring plate 3, a spring 5 is sleeved on the surface of the telescopic rod 4, one end of the spring 5 is fixedly installed on the surface of the ring plate 3, the other end of the spring 5 is fixedly installed on the inner side of a pressure plate 6, one end of the telescopic rod 4 is fixedly installed with a pressure plate 6, the pressure plate 6 is slidably connected to the pipeline A1, the pressure plate 6 is slidably connected to the pipeline A1, a limiting groove 7 is provided on the inner side of the limiting groove 7, an arc block 8 is slidably connected to the inner side of the limiting groove 7, and a spring 5 is sleeved on the surface of the telescopic rod 4, one end of the spring 5 is fixedly installed on the surface of the ring plate 3, the other end of the spring 5 is fixedly installed on the inner side of a pressure plate 6, a pressure plate 6 is fixedly installed on one end of the telescopic rod 4, the pressure plate 6 is slidably connected to the pipeline A1, a limiting groove 7 is provided on the inner side of the pipeline A1, an arc block 8 is slidably connected to the inner side of the limiting groove 7, and a There is a positioning groove 9, and a positioning pin 10 is inserted into the inner side of the positioning groove 9. The positioning pin 10 is fixedly installed on the side of the pipe B2. A sealing gasket 11 is sleeved on the surface of the positioning pin 10. The material of the sealing gasket 11 is natural rubber. The sealing gasket 11 made of natural rubber has good elasticity and wear resistance, and has excellent sealing effect. A connecting pipe 12 is fixedly installed on the inner side of the pipe B2, and a card groove 13 is provided on the surface of the connecting pipe 12. During the insertion process of the connecting pipe 12, the connecting pipe 12 will contact the arc surface of the arc block 8, and drive the arc block 8 to slide outward along the limiting groove 7 under the action of force. As the connecting pipe 12 enters, the arc block 8 will eventually reset on the inner side of the card groove 13.

[0024] Embodiment 2

[0025] See also Figure 2 A connecting seat 14 is fixedly installed on the surface of the pipe A1, a connecting plate 15 is inserted into the inner side of the connecting seat 14, a thread is provided on the inner side of the connecting plate 15, and the thread provided on the inner side of the connecting plate 15 is meshed with the thread on the surface of the bolt 17, a protective plate 16 is fixedly installed on the top of the connecting plate 15, and a bolt 17 is inserted into the inner side of the connecting seat 14, which can effectively improve the stability of the connection between the pipes A1 and B2, and can effectively protect against external impact.

[0026] Working principle: First, pre-install the pipe A1 and the pipe B2 at the connection between the gas cylinder and the pressure reducing valve. During installation, first align the connecting pipe 12 with the pipe A1 and insert it, then pull the pressure plate 6 and drive the telescopic rod 4 to contract and the spring 5 to compress, so that the pressure plate 6 no longer presses against the arc block 8, then the connecting pipe 12 will contact the arc surface of the arc block 8, and drive the arc block 8 to slide outward along the limiting groove 7 under the action of the force, and with the entry of the connecting pipe 12, the arc block 8 will eventually reset on the inner side of the card slot 13, then release the pressure plate 6 and make it contact with the arc block 8 under the action of the spring 5 and the telescopic rod 4, and drive the pressure plate 6 to press against the arc surface and pressure again. The surface of the arc block 8, at this time, the connection work between the gas cylinder and the pressure reducing valve is completed. When disassembly and maintenance are required, first pull the pressure plate 6 and drive the telescopic rod 4 to contract, the spring 5 to compress, and make the pressure plate 6 no longer against the arc block 8, and then the connecting pipe 12 can be pulled out from the inner side of the pipeline A1. At this time, the disassembly work is completed. After the pipeline A1 and the pipeline B2 are connected, the protective plate 16 is inserted into the inner side of the connecting seat 14, and then the bolt 17 is inserted and the bolt 17 is screwed into the inner side of the connecting plate 15. At this time, the installation of the protective plate 16 is completed, which can not only effectively improve the stability of the connection between the pipeline A1 and the pipeline B2, but also effectively protect against external impact.

[0027] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A device for quickly connecting a gas cylinder to a pressure reducing valve, comprising a pipeline A (1) and a pipeline B (2), characterized in that: A ring plate (3) is fixedly mounted on the surface of the pipe A (1), a telescopic rod (4) is fixedly mounted on the surface of the ring plate (3), a spring (5) is sleeved on the surface of the telescopic rod (4), a pressing plate (6) is fixedly mounted on one end of the telescopic rod (4), the pressing plate (6) is slidably connected to the pipe A (1), a limiting groove (7) is provided on the inner side of the pipe A (1), an arc block (8) is slidably connected to the inner side of the limiting groove (7), a positioning groove (9) is provided on the inner side of the pipe A (1), a positioning pin (10) is inserted into the inner side of the positioning groove (9), a sealing gasket (11) is sleeved on the surface of the positioning pin (10), a connecting pipe (12) is fixedly mounted on the inner side of the pipe B (2), a clamping groove (13) is provided on the surface of the connecting pipe (12).

2. The device for quick connection between a gas cylinder and a pressure reducing valve according to claim 1, characterized in that: The positioning pin (10) is fixedly installed on the side of the pipe B (2).

3. The device for quick connection between a gas cylinder and a pressure reducing valve according to claim 1, characterized in that: One end of the spring (5) is fixedly mounted on the surface of the ring plate (3), and the other end of the spring (5) is fixedly mounted on the inner side of the pressure plate (6).

4. The device for quick connection between a gas cylinder and a pressure reducing valve according to claim 1, characterized in that: The pressing plate (6) is slidably connected to the pipeline A (1), and the sealing gasket (11) is made of natural rubber.

5. The device for quick connection between a gas cylinder and a pressure reducing valve according to claim 1, characterized in that: A connecting seat (14) is fixedly mounted on the surface of the pipe A (1), a connecting plate (15) is inserted into the inner side of the connecting seat (14), a protective plate (16) is fixedly mounted on the top end of the connecting plate (15), and a bolt (17) is inserted into the inner side of the connecting seat (14).

6. The device for quick connection between a gas cylinder and a pressure reducing valve according to claim 5, characterized in that: The inner side of the connecting plate (15) is provided with a thread, and the thread provided on the inner side of the connecting plate (15) meshes with the thread on the surface of the bolt (17).

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