Pressure reducing device of gas fire extinguishing equipment

By designing a pressure reduction device for gas fire extinguishing equipment, using the coordination of components such as adjustment plates, round rods, valve plugs and springs, automatic pressure reduction and sealing without external tools is achieved, which solves the problem that traditional devices require external tools to operate, and improves the efficiency and stability of use.

CN223042055UActive Publication Date: 2025-07-01UNBURNED SAFETY TECH CO LTD
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Patent Information

Application Number
CN202422051057.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-23
Publication Date
2025-07-01
Estimated Expiration
2034-08-23

AI Technical Summary

Technical Problem

The pressure relief device of traditional gas fire extinguishing equipment requires external tools to assist in operation, and is susceptible to external environment during disassembly and maintenance, resulting in low efficiency and unstable use.

Method used

A pressure reduction device for gas fire extinguishing equipment is designed. Through the coordination of components such as adjustment plate, round rod, valve plug and spring, automatic pressure reduction and sealing without external tools is achieved, and the disassembly is facilitated. The coupling between the sleeve and the butt block is used to achieve separation of the device.

Benefits of technology

It improves the efficiency of gas fire extinguishing equipment and the stability of the pressure reduction process, simplifies the disassembly process, and reduces dependence on the external environment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of gas fire extinguishing equipment, and discloses a pressure reducing device of gas fire extinguishing equipment, which comprises a gas fire extinguishing equipment body, a butt joint pipe is fixedly assembled on the outer edge of the gas fire extinguishing equipment body close to the top, a pressure reducing pipe is arranged on the side surface of the butt joint pipe, and an adjusting plate is arranged on the top of the pressure reducing pipe. A groove is formed in the bottom of the adjusting plate, and a fixing frame is fixedly assembled on the top of the pressure reducing pipe. Through cooperative use of an adjusting plate and a pressure reducing pipe, the adjusting plate is rotated at the top of the pressure reducing pipe, so that the adjusting plate drives a valve plug to rotate in the inner wall of the pressure reducing pipe through a round rod, and the inner walls of a first through groove, a second through groove and a third through groove are adjusted in an auxiliary mode to be in butt joint with the inner wall of the pressure reducing pipe to assist in pressure reduction in the gas fire extinguishing equipment body; and the outer edge of the rotary valve plug is in butt joint with the inner wall of the pressure reduction pipe so as to assist device sealing, and the top of the convex rod is pushed by the spring to be in butt joint with the inner wall of the groove so as to assist limiting of the adjusting plate.
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Description

Technical Field

[0001] The utility model relates to the technical field of gas fire extinguishing equipment, in particular to a pressure reducing device for a gas fire extinguishing equipment. Background Technique

[0002] Gas fire extinguishing usually extinguishes fires with fire extinguishing agents that are gaseous at room temperature and atmospheric pressure. In order to assist the gas fire extinguishing equipment to store gas stably, a pressure reducing device for a gas fire extinguishing equipment is needed.

[0003] During the use of the traditional pressure reducing device for a gas fire extinguishing equipment, there is usually a pressure reducing valve on the metal lid at the top of the fire extinguisher. Then, pliers or a wrench are needed to pull out the safety pin on the pressure reducing valve, and then the pressure reducing valve is loosened to slowly release the pressure until the inside of the fire extinguisher is completely depressurized. However, in the traditional process, external devices such as pliers or a wrench are needed as auxiliary devices for use, which affects the use efficiency of the device. Moreover, during the disassembly and maintenance of the pressure reducing valve in the traditional device, it is necessary to clean the oil stains and dust around the metal lid to ensure that the pressure reducing valve can be correctly installed, so it is vulnerable to the influence of the external environment and it is difficult to ensure the stable installation of the pressure reducing valve. Content of the Utility Model

[0004] In view of the deficiencies of the prior art, the utility model provides a pressure reducing device for a gas fire extinguishing equipment to solve the problems raised in the above background technique.

[0005] The utility model provides the following technical scheme: A pressure reducing device for a gas fire extinguishing equipment, including a gas fire extinguishing equipment body. An adapter pipe is fixedly assembled on the outer edge near the top of the gas fire extinguishing equipment body. A pressure reducing pipe is arranged on the side of the adapter pipe. An adjusting plate is arranged on the top of the pressure reducing pipe. A groove is opened at the bottom of the adjusting plate. A fixing frame is fixedly assembled on the top of the pressure reducing pipe. A convex rod is slidably sleeved on the inner wall of the fixing frame. A round rod is fixedly assembled at the bottom of the adjusting plate. A valve plug is fixedly assembled at the bottom of the round rod. A first through groove is opened on the outer edge of the valve plug. A sliding groove is opened on the side of the pressure reducing pipe. An arc-shaped groove is opened on the side of the inner wall of the sliding groove. A docking groove is opened on the side of the inner wall of the arc-shaped groove.

[0006] As a preferred technical scheme of the utility model, a tension spring is fixedly connected to the side of the inner wall of the adapter pipe. One end of the tension spring away from the adapter pipe is fixedly connected to a ring, and the outer edge of the ring is slidably sleeved on the inner wall of the adapter pipe.

[0007] As a preferred technical scheme of the utility model, a sleeve is rotatably connected to the side of the ring. A docking block is fixedly assembled on the inner wall of the sleeve. The shape and size of the side of the docking block are all adapted to the shape and size of the inner walls of the sliding groove, the arc-shaped groove, and the docking groove.

[0008] As a preferred technical solution of the present utility model, a spring is fixedly connected to the bottom of the inner wall of the fixed frame, and the top of the spring is fixedly connected to the bottom of the convex rod. The shape and size of the convex surface at the top of the convex rod are adapted to the shape and size of the inner wall of the groove.

[0009] As a preferred technical solution of the present utility model, through grooves II and III are provided on the outer edge of the valve plug, and the inner wall of groove III is communicated with the inner walls of groove II and groove I. A sealing ring is fixedly sleeved on the inner wall of the decompression pipe, and the inner wall of the sealing ring is rotatably sleeved on the outer edge of the valve plug.

[0010] As a preferred technical solution of the present utility model, the number of the fixed frames is two, and the bottoms of the two fixed frames are fixedly assembled with the top of the decompression pipe. The inner walls of the two fixed frames are rotatably sleeved on the outer edge of the round rod.

[0011] Compared with the prior art, the present utility model has the following beneficial effects:

[0012] 1. For the decompression device of the gas fire extinguishing equipment, by the combined use of the adjusting plate and the decompression pipe, rotate the adjusting plate at the top of the decompression pipe, so that the adjusting plate drives the valve plug to rotate in the inner wall of the decompression pipe through the round rod, thereby assisting in adjusting the inner walls of groove I, groove II, and groove III to be docked with the inner wall of the decompression pipe to assist in decompression inside the gas fire extinguishing equipment body. And by rotating the outer edge of the valve plug to be docked with the inner wall of the decompression pipe, the device is hermetically sealed, and the top of the convex rod is pushed by the spring to be docked with the inner wall of the groove, thereby assisting in limiting the adjusting plate.

[0013] 2. For the decompression device of the gas fire extinguishing equipment, by the combined use of the sleeve and the docking block, move the sleeve towards the decompression pipe until the outer edge of the docking block is docked with the inner wall of the arc-shaped groove, then rotate the sleeve and move the sleeve away from the decompression pipe, so that the outer edge of the docking block moves along the direction of the chute, thereby assisting in separating the decompression pipe from the docking pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the present utility model;

[0015] Figure 2 It is a three-dimensional structural schematic diagram of the decompression pipe of the present utility model;

[0016] Figure 3 It is a front-sectional structural schematic diagram of the round rod of the present utility model;

[0017] Figure 4 It is a side-sectional structural schematic diagram of the sealing ring of the present utility model;

[0018] Figure 5 It is a partial disassembled structural schematic diagram of the present utility model.

[0019] In the figure: 1. Main body of the gas fire extinguishing equipment; 2. Docking pipe; 3. Pressure reducing pipe; 4. Adjusting plate; 5. Groove; 6. Fixed frame; 7. Convex rod; 8. Spring; 9. Round rod; 10. Valve plug; 11. Third through groove; 12. Second through groove; 13. First through groove; 14. Slide groove; 15. Arc-shaped groove; 16. Docking groove; 17. Tensile spring; 18. Ring; 19. Sleeve; 20. Docking block; 21. Sealing ring. Specific implementation mode

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0021] Please refer to Figures 1-5 , a pressure reducing device for a gas fire extinguishing equipment, including the main body 1 of the gas fire extinguishing equipment. A docking pipe 2 is fixedly assembled on the outer edge near the top of the main body 1 of the gas fire extinguishing equipment. A pressure reducing pipe 3 is arranged on the side of the docking pipe 2. An adjusting plate 4 is arranged on the top of the pressure reducing pipe 3. A groove 5 is opened at the bottom of the adjusting plate 4. A fixed frame 6 is fixedly assembled on the top of the pressure reducing pipe 3. A convex rod 7 is slidably sleeved on the inner wall of the fixed frame 6. A round rod 9 is fixedly assembled at the bottom of the adjusting plate 4. A valve plug 10 is fixedly assembled at the bottom of the round rod 9. A first through groove 13 is opened on the outer edge of the valve plug 10. A slide groove 14 is opened on the side of the pressure reducing pipe 3. An arc-shaped groove 15 is opened on the side of the inner wall of the slide groove 14. A docking groove 16 is opened on the side of the inner wall of the arc-shaped groove 15. By the combined use of the round rod 9 and the valve plug 10, the adjusting plate 4 drives the valve plug 10 to rotate through the round rod 9, and by the opening of the first through groove 13, the inner wall of the first through groove 13 is assisted to be docked and communicated with the inner slot of the pressure reducing pipe 3.

[0022] In a preferred implementation mode, a tensile spring 17 is fixedly connected to the side of the inner wall of the docking pipe 2. One end of the tensile spring 17 away from the docking pipe 2 is fixedly connected to a ring 18, and the outer edge of the ring 18 is slidably sleeved on the inner wall of the docking pipe 2. By adding the tensile spring 17, the tensile spring 17 drives the ring 18 to move away from the pressure reducing pipe 3 in the inner wall of the docking pipe 2, and then the sleeve 19 is driven to move by the ring 18.

[0023] In a preferred embodiment, a sleeve 19 is rotatably connected to the side surface of the circular ring 18. A docking block 20 is fixedly assembled on the inner wall of the sleeve 19. The shape and size of the side surface of the docking block 20 are adapted to the shape and size of the inner walls of the chute 14, the arc-shaped groove 15, and the docking groove 16. By using the cooperation of the docking block 20 and the sleeve 19, the outer edge of the docking block 20 is slid along the inner wall of the chute 14 by the sleeve 19 until the side surface of the docking block 20 moves into the inner wall of the arc-shaped groove 15, and the side surface of the docking block 20 is used to dock and limit the inner wall of the docking groove 16.

[0024] In a preferred embodiment, a spring 8 is fixedly connected to the bottom of the inner wall of the fixed frame 6, and the top of the spring 8 is fixedly connected to the bottom of the convex rod 7. The shape and size of the convex surface of the top of the convex rod 7 are adapted to the shape and size of the inner wall of the groove 5. By installing the spring 8, the spring 8 is used to push the convex rod 7 upward at the bottom of the inner wall of the fixed frame 6, and then the top of the convex rod 7 is used to dock and limit the inner wall of the groove 5.

[0025] In a preferred embodiment, a second through groove 12 and a third through groove 11 are formed in the outer edge of the valve plug 10, and the inner wall of the third through groove 11 is communicated with the inner walls of the second through groove 12 and the first through groove 13. A sealing ring 21 is fixedly sleeved on the inner wall of the pressure reducing pipe 3, and the inner wall of the sealing ring 21 is rotatably sleeved on the outer edge of the valve plug 10. By using the cooperation of the second through groove 12 and the third through groove 11, the inner walls of the first through groove 13, the second through groove 12, and the third through groove 11 are docked with the inner notch of the pressure reducing pipe 3, so as to assist in adjusting the pressure reducing and exhaust efficiency of the gas fire extinguishing equipment body 1.

[0026] In a preferred embodiment, the number of the fixed frames 6 is two, and the bottoms of the two fixed frames 6 are fixedly assembled with the top of the pressure reducing pipe 3. The outer edges of the round rods 9 are rotatably sleeved on the inner walls of the two fixed frames 6. By installing the two fixed frames 6, the round rods 9 in the inner walls of the two fixed frames 6 are used to dock with the inner walls of a plurality of grooves 5.

[0027] Working principle: When the device is in use, rotate the adjusting plate 4 at the top of the decompression pipe 3, so that the adjusting plate 4 drives the valve plug 10 to rotate in the inner wall of the decompression pipe 3 through the round rod 9, thereby assisting in adjusting the docking of the inner walls of the first through groove 13, the second through groove 12, and the third through groove 11 with the inner wall of the decompression pipe 3 to assist in decompressing the inside of the gas fire extinguishing equipment body 1. And by rotating the outer edge of the valve plug 10 to dock with the inner wall of the decompression pipe 3, the device is hermetically sealed, and the spring 8 is used to push the top of the convex rod 7 to dock with the inner wall of the groove 5, thereby assisting in limiting the adjusting plate 4. When it is necessary to disassemble the decompression pipe 3 and the gas fire extinguishing equipment body 1, move the sleeve 19 in the direction of the decompression pipe 3 until the outer edge of the docking block 20 docks with the inner wall of the arc-shaped groove 15. Then rotate the sleeve 19 and move the sleeve 19 in the direction away from the decompression pipe 3, so that the outer edge of the docking block 20 moves along the direction of the sliding groove 14, thereby assisting in separating the decompression pipe 3 from the docking pipe 2.

[0028] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pressure reducing device for a gas fire extinguishing device, comprising a gas fire extinguishing device body (1), characterized in that: The outer edge of the gas fire extinguishing equipment body (1) near the top is fixedly equipped with a butt joint pipe (2), the side of the butt joint pipe (2) is provided with a pressure reducing pipe (3), the top of the pressure reducing pipe (3) is provided with an adjusting plate (4), the bottom of the adjusting plate (4) is provided with a groove (5), the top of the pressure reducing pipe (3) is fixedly equipped with a fixing frame (6), the inner wall of the fixing frame (6) is slidably sleeved with a convex rod (7), the bottom of the adjusting plate (4) is fixedly equipped with a round rod (9), the bottom of the round rod (9) is fixedly equipped with a valve plug (10), the outer edge of the valve plug (10) is provided with a through groove (13), the side of the pressure reducing pipe (3) is provided with a slide groove (14), the side of the inner wall of the slide groove (14) is provided with an arc groove (15), and the side of the inner wall of the arc groove (15) is provided with a butt joint groove (16).

2. A pressure reducing device for gas fire extinguishing equipment according to claim 1, characterized in that: A tension spring (17) is fixedly connected to the side surface of the inner wall of the butt joint tube (2), and a circular ring (18) is fixedly connected to one end of the tension spring (17) away from the butt joint tube (2), and the outer edge of the circular ring (18) is slidably sleeved with the inner wall of the butt joint tube (2).

3. A pressure reducing device for gas fire extinguishing equipment according to claim 2, characterized in that: The side surface of the circular ring (18) is rotatably connected to a sleeve (19), and the inner wall of the sleeve (19) is fixedly equipped with a docking block (20). The shape and size of the side surface of the docking block (20) are all compatible with the shape and size of the inner walls of the sliding groove (14), the arc groove (15), and the docking groove (16).

4. A pressure reducing device for gas fire extinguishing equipment according to claim 1, characterized in that: A spring (8) is fixedly connected to the bottom of the inner wall of the fixed frame (6), and the top of the spring (8) is fixedly connected to the bottom of the convex rod (7), and the shape and size of the convex surface on the top of the convex rod (7) are compatible with the shape and size of the inner wall of the groove (5).

5. The pressure reducing device for gas fire extinguishing equipment according to claim 1, characterized in that: The outer edge of the valve plug (10) is provided with a second through groove (12) and a third through groove (11), and the inner wall of the third through groove (11) is connected to the inner walls of the second through groove (12) and the first through groove (13); the inner wall of the pressure reducing pipe (3) is fixedly sleeved with a sealing ring (21), and the inner wall of the sealing ring (21) is rotatably sleeved with the outer edge of the valve plug (10).

6. A pressure reducing device for gas fire extinguishing equipment according to claim 1, characterized in that: There are two fixed frames (6), and the bottoms of the two fixed frames (6) are fixedly assembled with the top of the pressure reducing pipe (3), and the inner walls of the two fixed frames (6) are rotatably sleeved with the outer edge of the round rod (9).