Fire extinguisher inflation tool

By utilizing the rebound and fixing mechanisms of the fire extinguisher inflation fixture, the uncertainty of traditional inflation operations is solved, enabling precise inflation and stable fixing of the fire extinguisher, thus ensuring the safety and effectiveness of the fire extinguisher.

CN223609882UActive Publication Date: 2025-11-28JIANGSU XINHAI FIRE FIGHTING EQUIPMENT CO LTD
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Patent Information

Application Number
CN202423119163.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-18
Publication Date
2025-11-28
Estimated Expiration
2034-12-18

AI Technical Summary

Technical Problem

Traditional fire extinguisher pressurization operations lack effective automatic control mechanisms, relying on manual experience and visual observation, which leads to inaccurate pressurization and the risk of over-pressurization or under-pressurization, affecting the safety and service life of the fire extinguisher.

Method used

The fire extinguisher inflation fixture includes a rebound mechanism and a fixing mechanism. Through structures such as sliding rings, transmission rods, and limit frames, it achieves automatic pressure cut-off to ensure that the fire extinguisher is pressurized to the accurate pressure value. The fire extinguisher is stably fixed by structures such as fixing frames, mounting rods, and clamps to prevent shaking or falling off.

Benefits of technology

It achieves precise pressurization of fire extinguishers, avoids the risk of explosion due to over-pressurization, ensures that each fire extinguisher is pressurized to the appropriate pressure value, improves the accuracy and stability of pressurization, and guarantees the reliability and safety of fire extinguishers.

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Abstract

The utility model relates to the technical field of fire extinguisher pressurizing, and discloses a fire extinguisher inflating tool which comprises a fire extinguishing tank, a pressurizing shell is connected to the rear portion of the fire extinguishing tank, a rebound mechanism is arranged in the pressurizing shell, a fixing mechanism is arranged at the bottom of the pressurizing shell, and the rebound mechanism is composed of a pressurizing assembly and a rebound assembly. And the springback assembly comprises a sliding ring, the front portion of the sliding ring is fixedly connected with a fixing block, the front portion of the fixing block is rotationally connected with a rotating plate, and the surface of the sliding ring is fixedly connected with a transmission rod. According to the utility model, through the structures such as the pressurizing tank, the limiting frame and the gas conveying pipe, when the fire extinguisher finishes pressurizing, the pressurizing work is automatically cut off, so that the risk of fire extinguisher explosion caused by excessive pressurizing is avoided, and meanwhile, each fire extinguisher can be pressurized to an accurate and appropriate pressure value; and the performance and the fire extinguishing effect of the fire extinguisher cannot be influenced by over-charging or under-charging.
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Description

TECHNICAL FIELD

[0001] The utility model relates to fire extinguisher pressure charging technical field especially relates to a fire extinguisher inflation tool. BACKGROUND

[0002] In the field of fire safety, fire extinguisher is the vital fire extinguishing equipment. In order to ensure that fire extinguisher can normally and effectively play a role, the fire extinguishing agent in it needs to be kept in the appropriate pressure range, which needs to carry out the periodic inflation operation to fire extinguisher, along with the continuous improvement of fire safety standard, and the requirement of fire extinguisher maintenance quality and efficiency is increasingly strict, the traditional fire extinguisher inflation tool has been difficult to meet the demand of modern fire industry, and it is urgent to need a more accurate, efficient, safe and strong general-purpose fire extinguisher inflation tool to guarantee the reliable performance of fire extinguisher.

[0003] In the traditional fire extinguisher pressure charging operation, there is lack of effective automatic control mechanism, and it often relies on the experience of operating personnel and naked eye observation pressure gauge to judge whether the pressure charging is completed, this mode has great uncertainty and error, and it is very easy to appear excessive pressure charging, excessive pressure charging can make the internal pressure of fire extinguisher too large, greatly increases the risk of explosion of fire extinguisher, and seriously threatens the life safety of operating personnel and surrounding environment, at the same time, excessive dependence on manual judgment also can not guarantee that each fire extinguisher can be charged to the accurate and appropriate pressure value, and often there are some fire extinguishers that are not charged enough, leading to insufficient pressure and affecting the fire extinguishing effect, and some are charged too much, which not only increases the safety hazard, but also can damage the internal structure and sealing parts of fire extinguisher, shortens its service life, so a fire extinguisher inflation tool is proposed to solve the above problems. UTILITARIAN CONTENT

[0004] In order to make up for the above shortcomings, the utility model provides a fire extinguisher inflation tool, which aims at solving the problem of "lack of effective automatic control mechanism, often relying on the experience of operating personnel and naked eye observation pressure gauge to judge whether the pressure charging is completed, and having great uncertainty and error" mentioned in the prior art.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a fire extinguisher inflation tool, comprising a fire extinguishing tank, the rear part of the fire extinguishing tank is connected with a pressurizing shell, the inside of the pressurizing shell is provided with a rebound mechanism, the bottom of the pressurizing shell is provided with a fixing mechanism, the rebound mechanism is composed of a pressurizing assembly and a rebound assembly, the rebound assembly comprises a sliding ring, the front part of the sliding ring is fixedly connected with a fixed block, the front part of the fixed block is rotatably connected with a rotating plate, the surface of the sliding ring is fixedly connected with a transmission rod.

[0006] As a further description of the above technical solution: the pressurizing assembly comprises a pressure charging tank, the surface of the pressure charging tank is connected with a limiting frame, and the rear portion of the pressure charging tank is communicated with a gas conveying pipe.

[0007] As a further description of the above technical solution: the inner wall of the sliding ring is slidably connected with the surface of the front portion of the pressure charging tank, and the end of the transmission rod, away from the sliding ring, is fixedly connected with the surface of the rear portion of the pressure charging tank.

[0008] As a further description of the above technical solution: the pressure charging tank is slidably connected with the inner wall of the limiting frame, the rear portion of the limiting frame is fixedly connected with the inner wall of the rear portion of the pressurizing shell, and the surface of the transmission rod is elastically slidably connected with the inner wall of the pressurizing shell.

[0009] As a further description of the above technical solution: the fixing mechanism comprises a fixing frame, the inner wall of the fixing frame is slidably connected with a mounting rod, and the surface of the mounting rod is fixedly connected with a sliding block.

[0010] As a further description of the above technical solution: the fixing mechanism further comprises a first clamping block, the surface of the mounting rod is slidably connected with a second clamping block, and the surface of the mounting rod is connected with a locking ring.

[0011] As a further description of the above technical solution: the top portion of the fixing frame is fixedly connected with the bottom portion of the pressurizing shell, and the surface of the sliding block is elastically slidably connected with the inner wall of the fixing frame.

[0012] As a further description of the above technical solution: the rear portion of the first clamping block is fixedly connected with the front portion of the mounting rod, and the front portion of the locking ring is in contact with the rear portion of the second clamping block.

[0013] The utility model has the advantages of the following:

[0014] 1、The utility model discloses a pressurizing assembly, a fixing mechanism and a pressurizing shell are arranged on the pressurizing assembly, the pressurizing assembly comprises a pressure charging tank, a sliding ring, a fixing block, a rotating plate, a transmission rod, a limiting frame and a gas conveying pipe, the inner wall of the sliding ring is slidably connected with the surface of the front portion of the pressure charging tank, the end of the transmission rod, away from the sliding ring, is fixedly connected with the surface of the rear portion of the pressure charging tank, the rear portion of the pressure charging tank is slidably connected with the inner wall of the limiting frame, the rear portion of the limiting frame is fixedly connected with the inner wall of the rear portion of the pressurizing shell, the surface of the transmission rod is elastically slidably connected with the inner wall of the pressurizing shell, the fixing mechanism comprises a fixing frame, the inner wall of the fixing frame is slidably connected with a mounting rod, the surface of the mounting rod is fixedly connected with a sliding block, the surface of the mounting rod is slidably connected with a first clamping block, the surface of the mounting rod is connected with a locking ring, the top portion of the fixing frame is fixedly connected with the bottom portion of the pressurizing shell, the surface of the sliding block is elastically slidably connected with the inner wall of the fixing frame, the rear portion of the first clamping block is fixedly connected with the front portion of the mounting rod, and the front portion of the locking ring is in contact with the rear portion of the second clamping block.

[0015] 2、The utility model discloses a pressurizing assembly, a fixing mechanism and a pressurizing shell are arranged on the pressurizing assembly, the pressurizing assembly comprises a pressure charging tank, a sliding ring, a fixing block, a rotating plate, a transmission rod, a limiting frame and a gas conveying pipe, the inner wall of the sliding ring is slidably connected with the surface of the front portion of the pressure charging tank, the end of the transmission rod, away from the sliding ring, is fixedly connected with the surface of the rear portion of the pressure charging tank, the rear portion of the pressure charging tank is slidably connected with the inner wall of the limiting frame, the rear portion of the limiting frame is fixedly connected with the inner wall of the rear portion of the pressurizing shell, the surface of the transmission rod is elastically slidably connected with the inner wall of the pressurizing shell, the fixing mechanism comprises a fixing frame, the inner wall of the fixing frame is slidably connected with a mounting rod, the surface of the mounting rod is fixedly connected with a sliding block, the surface of the mounting rod is slidably connected with a first clamping block, the surface of the mounting rod is connected with a locking ring, the top portion of the fixing frame is fixedly connected with the bottom portion of the pressurizing shell, the surface of the sliding block is elastically slidably connected with the inner wall of the fixing frame, the rear portion of the first clamping block is fixedly connected with the front portion of the mounting rod, and the front portion of the locking ring is in contact with the rear portion of the second clamping block. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of a fire extinguisher inflation device according to the present invention.

[0017] Figure 2 This is a half-sectional view of the overall structure of a fire extinguisher inflation device according to the present invention.

[0018] Figure 3 This is a schematic diagram of the transmission rod structure of a fire extinguisher inflation device according to the present invention.

[0019] Figure 4 This is a schematic diagram of the mounting rod structure of a fire extinguisher inflation fixture according to this utility model.

[0020] Legend:

[0021] 1. Fire extinguishing canister; 2. Pressurized outer shell; 3. Rebound mechanism; 301. Pressurized canister; 302. Sliding ring; 303. Fixing block; 304. Rotating plate; 305. Transmission rod; 306. Limiting frame; 307. Gas supply pipe; 4. Fixing mechanism; 401. Fixing frame; 402. Mounting rod; 403. Sliding block; 404. First clamping block; 405. Second clamping block; 406. Locking ring. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please refer to Figure 1 - Figure 2 One embodiment of this utility model is a fire extinguisher inflation fixture, including a fire extinguisher canister 1. The fire extinguisher canister 1 is existing technology and will not be described in detail. A pressurized outer shell 2 is connected to the rear of the fire extinguisher canister 1. The pressurized outer shell 2 is the housing of the inflation device. A rebound mechanism 3 is provided inside the pressurized outer shell 2. A fixing mechanism 4 is provided at the bottom of the pressurized outer shell 2.

[0024] Please refer to Figure 1 - Figure 3, the rebound mechanism 3 is composed of a pressurizing assembly and a rebound assembly, the rebound assembly includes a sliding ring 302, the sliding ring 302 is in butt joint with the fire extinguishing tank 1 to be filled with pressure, the front part of the sliding ring 302 is fixedly connected with a fixed block 303, the front part of the fixed block 303 is rotationally connected with a rotating plate 304, the rotating plate 304 is rotated to open along the fixed block 303 by the stamping gas, when the fire extinguishing tank 1 is filled, the airflow counteracts to make the rotating plate 304 close as shown in the figure, the surface of the sliding ring 302 is fixedly connected with a transmission rod 305, the inner wall of the sliding ring 302 is in sliding connection with the surface of the front part of the pressure filling tank 301, the fixed block 303 is driven by the closed rotating plate 304 to make the sliding ring 302 slide along the surface of the pressure filling head of the front part of the pressure filling tank 301, one end of the transmission rod 305 away from the sliding ring 302 is fixedly connected with the surface close to the rear part of the pressure filling tank 301.

[0025] Please refer to Figure 1 - Figure 3 , the pressurizing assembly includes a pressure filling tank 301, the pressure filling device transmits the gas into the pressure filling tank 301 through a gas conveying pipe 307, the surface of the pressure filling tank 301 is connected with a limiting frame 306, the limiting frame 306 is a circular sliding sleeve, the rear part of the pressure filling tank 301 is communicated with the gas conveying pipe 307, the gas conveying pipe 307 is connected with the pressure filling device, the pressure filling tank 301 is in sliding connection with the inner wall of the limiting frame 306, the transmission rod 305 is driven by the sliding ring 302 to drive the pressure filling tank 301 to separate from the fire extinguishing tank 1, the rear part of the limiting frame 306 is fixedly connected with the inner wall of the rear part of the pressurizing shell 2, the surface of the transmission rod 305 is in elastic sliding connection with the inner wall of the pressurizing shell 2, when the fire extinguisher is filled with pressure, the pressure filling work is automatically cut off, the risk of explosion of the fire extinguisher caused by overfilling is avoided, at the same time, it is ensured that each fire extinguisher can be filled with pressure to an accurate and appropriate pressure value, and the performance and fire extinguishing effect of the fire extinguisher are not affected by overfilling or underfilling.

[0026] Please refer to Figure 4The fixing mechanism 4 comprises a fixing frame 401, an inner wall of the fixing frame 401 is slidably connected with a mounting rod 402, the mounting rod 402 can be extended or retracted, a surface of the mounting rod 402 is fixedly connected with a sliding block 403, the mounting rod 402 slides along the inner wall of the fixing frame 401 through the sliding block 403, a top of the fixing frame 401 is fixedly connected with a bottom of the pressurizing shell 2, a surface of the sliding block 403 is elastically and slidably connected with the inner wall of the fixing frame 401, the fixing mechanism 4 further comprises a first clamping block 404, a surface of the mounting rod 402 is slidably connected with a second clamping block 405, the first clamping block 404 and the second clamping block 405 fix the fire extinguishing tank 1, a surface of the mounting rod 402 is connected with a locking ring 406, the locking ring 406 is rotated, and the rotating movement of the locking ring 406 makes the second clamping block 405 tightly fixed with the first clamping block 404, a rear portion of the first clamping block 404 is fixedly connected with a front portion of the mounting rod 402, a front portion of the locking ring 406 is in contact with a rear portion of the second clamping block 405, so that the fire extinguisher is stably fixed with the inflation tool during the pressurizing work of the fire extinguisher, the fire extinguisher is prevented from accidentally falling off or jumping out during the pressurizing, the fire extinguisher is prevented from shaking or moving, the gas can be filled according to the preset pressure and flow, and the precision and stability of the pressurizing are improved.

[0027] Working principle: when in use, the operator aims the pressurizing shell 2 at the fire extinguishing tank 1 to be inflated, and abuts the sliding ring 302 against the fire extinguishing tank 1 to be pressurized, then starts the pressurizing equipment, the pressurizing equipment transmits the gas to the pressurizing tank 301 through the gas conveying pipe 307, then pressurizes the inside of the fire extinguishing tank 1 through the pressurizing head at the front portion of the pressurizing tank 301, the pressurized gas makes the rotating plate 304 rotate and open along the fixing block 303, when the fire extinguishing tank 1 is full, the airflow reversely pushes the rotating plate 304 to close as shown in the figure, the closed rotating plate 304 drives the fixing block 303 to make the sliding ring 302 slide along the surface of the pressurizing head at the front portion of the pressurizing tank 301, so that the sliding ring 302 drives the transmission rod 305 to drive the pressurizing tank 301 to separate from the fire extinguishing tank 1, the fire extinguisher is automatically cut off from the pressurizing work when the pressurizing is completed, the risk of explosion of the fire extinguisher caused by over-pressurizing is avoided, and each fire extinguisher can be pressurized to an accurate and appropriate pressure value, the performance and fire extinguishing effect of the fire extinguisher are not affected by over-pressurizing or under-pressurizing, meanwhile, the operator can also fix the fire extinguishing tank 1 through the extension mounting rod 402, the mounting rod 402 slides along the inner wall of the fixing frame 401 through the sliding block 403, and drives the first clamping block 404 and the second clamping block 405 to fix the fire extinguishing tank 1, then rotates the locking ring 406, the rotating movement of the locking ring 406 makes the second clamping block 405 tightly fixed with the first clamping block 404, so that the fire extinguisher is stably fixed with the inflation tool during the pressurizing work of the fire extinguisher, the fire extinguisher is prevented from accidentally falling off or jumping out during the pressurizing, the fire extinguisher is prevented from shaking or moving, the gas can be filled according to the preset pressure and flow, and the precision and stability of the pressurizing are improved.

[0028] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, the made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. An inflator tool for fire extinguishers, comprising a fire extinguish can (1), characterized in that: The rear part of the fire extinguishing tank (1) is connected with a pressurized shell (2), the inside of the pressurized shell (2) is provided with a rebound mechanism (3), the bottom of the pressurized shell (2) is provided with a fixing mechanism (4), the rebound mechanism (3) is composed of a pressurizing assembly and a rebound assembly, the rebound assembly comprises a sliding ring (302), the front part of the sliding ring (302) is fixedly connected with a fixed block (303), the front part of the fixed block (303) is rotatably connected with a rotating plate (304), the surface of the sliding ring (302) is fixedly connected with a transmission rod (305).

2. The inflator tool of claim 1, wherein: The pressurizing assembly comprises a pressure charging tank (301), the surface of the pressure charging tank (301) is connected with a limiting frame (306), the rear part of the pressure charging tank (301) is communicated with a gas conveying pipe (307).

3. The inflator tool of claim 1, wherein: The inner wall of the sliding ring (302) is slidably connected with the surface of the front part of the pressure charging tank (301), one end of the transmission rod (305) away from the sliding ring (302) is fixedly connected with the surface close to the rear part of the pressure charging tank (301).

4. The fire extinguisher inflator tool of claim 2, wherein: The pressure charging tank (301) is slidably connected with the inner wall of the limiting frame (306), the rear part of the limiting frame (306) is fixedly connected with the inner wall of the rear part of the pressurized shell (2), the surface of the transmission rod (305) is elastically slidably connected with the inner wall of the pressurized shell (2).

5. The fire extinguisher inflator tool of claim 1, wherein: The fixing mechanism (4) comprises a fixed frame (401), the inner wall of the fixed frame (401) is slidably connected with a mounting rod (402), the surface of the mounting rod (402) is fixedly connected with a sliding block (403).

6. An inflator tool for fire extinguishers according to claim 5, characterized in that: The fixing mechanism (4) further comprises a first clamping block (404), the surface of the mounting rod (402) is slidably connected with a second clamping block (405), the surface of the mounting rod (402) is connected with a locking ring (406).

7. The fire extinguisher inflator tool of claim 5, wherein: The top of the fixed frame (401) is fixedly connected with the bottom of the pressurized shell (2), the surface of the sliding block (403) is elastically slidably connected with the inner wall of the fixed frame (401).

8. The fire extinguisher inflator tool of claim 6, wherein: The rear part of the first clamping block (404) is fixedly connected with the front part of the mounting rod (402), the front part of the locking ring (406) is in contact with the rear part of the second clamping block (405).