Fire extinguisher valve detection device

By designing a fire extinguisher valve testing device with a water storage tank and return water structure, the problems of unintuitive sealing testing and high resource consumption in existing technologies have been solved. This device enables multiple testing methods for fire extinguisher valve sealing and water reuse, improving the accuracy and efficiency of testing.

CN224176010UActive Publication Date: 2026-04-28JIANGSHAN YAZHONGHANG FIRE TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIANGSHAN YAZHONGHANG FIRE TECH CO LTD
Filing Date
2025-03-27
Publication Date
2026-04-28

AI Technical Summary

Technical Problem

Existing technologies make it difficult to visually observe the sealing of fire extinguisher valves and the pressure resistance of the nozzles, especially in carbon dioxide fire extinguishers, where sealing tests are not intuitive and consume a lot of resources.

Method used

A fire extinguisher valve testing device was designed, including a water storage tank, a water injection structure, and a water return structure. The device tests the valve's sealing performance by injecting and returning water, and uses a pressure sensor to detect the sealing effect when the valve is open, thus enabling water reuse.

Benefits of technology

It enables multiple testing methods for the sealing performance of fire extinguisher valves, reduces resource consumption, improves the intuitiveness and accuracy of testing, and can detect the valve status under different pressures.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of fire extinguisher valves, in particular to a fire extinguisher valve detection device which comprises a water storage tank, a water injection structure and a water return structure, the water storage tank comprises a tank body, a detection table is fixedly mounted at an opening of the tank body, and a water injection plug is fixedly mounted on the upper surface of the detection table; the water injection structure is embedded in the detection table; the water return structure is fixedly installed on the rear side surface of the box. According to the utility model, the opening at the bottom of the valve is clamped with the water injection plug opening, water stored in the water storage tank is injected into the valve through the water injection structure, whether leakage and water seepage occur when the valve is closed is observed firstly, the injection orifice of the valve is clamped with the water return structure to open the valve, and the sealing performance when the valve is opened is detected; after detection, water is introduced into the box body again through the water return structure, detection water is recycled, detection is carried out in a water supply mode, direct observation of detection personnel is facilitated, meanwhile, the detection water can be recycled through the water return structure, and resource consumption is reduced.
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Description

Technical Field

[0001] This utility model relates to the field of fire extinguisher valve technology, specifically a fire extinguisher valve detection device. Background Technology

[0002] Fire extinguishers are commonly used firefighting tools. In the early stages of a fire, when the area is small and the fire is weak, it is the most favorable time to extinguish the fire. Correct and timely use of fire extinguishers can effectively reduce personal injury and property loss. Carbon dioxide extinguishing agent is a fire extinguishing agent with a history of more than 100 years. It is inexpensive and easy to obtain and prepare. It mainly relies on suffocation and partial cooling to extinguish fire. The valve of the fire extinguisher is the key component that controls the spray of the extinguishing agent. It is the part on the top of the fire extinguisher that mainly controls the release and storage of the extinguishing agent. Its sealing and pressure resistance are crucial.

[0003] Therefore, the valve structure of carbon dioxide fire extinguishers usually needs to undergo a sealing test during production. The current testing method is mostly to inject gas into the valve when it is closed and then observe whether there is any leakage. However, the gas is colorless and transparent, making it difficult to observe directly, and it is impossible to test the pressure at the nozzle when the valve is open. Utility Model Content

[0004] The purpose of this invention is to provide a fire extinguisher valve detection device to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A fire extinguisher valve detection device, comprising:

[0007] A water storage tank, the water storage tank including a tank body, a test platform fixedly installed at the opening of the tank body, and a water injection port fixedly installed on the upper surface of the test platform;

[0008] Water injection structure, wherein the water injection structure is embedded inside the testing platform;

[0009] A water return structure is fixedly installed on the rear surface of the tank.

[0010] Furthermore, the water storage tank also includes:

[0011] A water guiding channel is formed on the front edge of the upper surface of the testing platform;

[0012] A drive motor is fixedly mounted on one side surface of the housing.

[0013] Furthermore, the water injection structure includes:

[0014] A linkage shaft is rotatably mounted inside the testing table.

[0015] The blades are three in number and are arranged at equal intervals and fixedly sleeved onto the side surface of the linkage shaft.

[0016] The pump head housing is embedded inside the testing platform, and the pump head housing is rotatably connected to the blades.

[0017] Furthermore, the water injection structure also includes:

[0018] A water pumping pipe, which is fixedly connected to the lower edge of one side of the pump head housing;

[0019] The water injection pipe has its lower end fixedly connected to one side of the pump head housing, and its upper end fixedly connected to the water injection plug.

[0020] Furthermore, the water return structure includes:

[0021] A water inlet pipe is fixedly inserted and installed on the rear side wall of the housing.

[0022] Telescopic sleeve, wherein the telescopic sleeve is slidably sleeved on the front end of the connecting rod;

[0023] A water inlet is fixedly installed at the front end of the telescopic sleeve.

[0024] A connecting rod, both ends of which are fixedly connected to the rear end of the telescopic sleeve;

[0025] The first electric actuator is fixedly installed on the upper edge of the rear surface of the housing, and the output end of the first electric actuator is fixedly connected to the middle of the connecting rod.

[0026] Furthermore, the water return structure also includes:

[0027] The return water pipe has its upper end fixedly connected to the bottom side of the rear end of the inlet water pipe, and its lower end passes through the lower edge of the rear side of the box.

[0028] The second electric actuator is fixedly installed at the rear end of the water inlet pipe;

[0029] A pressure sensor is slidably installed inside the rear end of the water inlet pipe, and the rear surface of the pressure sensor is fixedly connected to the output end of the second electric actuator.

[0030] A plug is fixedly installed on the front surface of the pressure sensor.

[0031] Compared with the prior art, the beneficial effects of this utility model are:

[0032] 1. Connect the bottom opening of the valve (not connected to the carbon dioxide fire extinguisher tank, awaiting a sealing test) to the water injection port. Inject water from the storage tank into the valve through the water injection structure. First, observe whether there is any leakage or seepage when the valve is closed. If there is no seepage, connect the valve spray nozzle to the return water structure and open the valve to test the sealing performance when the valve is open. After the test, return the test water back into the tank through the return water structure for recycling. This method provides multiple sealing test methods, and the water flow test allows for direct observation by the testing personnel. The return water structure also allows for repeated recycling of the test water, reducing resource consumption.

[0033] 2. When testing the sealing effect of the valve when it is open, start the first electric actuator. Simultaneously control multiple telescopic sleeves to slide at the front end of the water inlet pipe through the connecting rod, so that the water inlet plug and the valve spray port are locked together. First, keep the pressure sensor and the plug blocking the connection between the return pipe and the water inlet pipe. The water pressure applies pressure to the pressure sensor through the plug to obtain the valve status under different pressures. When the pressure reaches the standard requirement, the valve passes the inspection. Then, the second electric actuator retracts, which moves the pressure sensor and the plug backward, opening the connection between the water inlet pipe and the return pipe, so that the water can re-enter the tank through the return pipe, realizing water recycling. Attached Figure Description

[0034] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0035] Figure 2 This is a cross-sectional view of the overall structure of this utility model;

[0036] Figure 3 This is a schematic diagram of the water storage tank in this utility model;

[0037] Figure 4 This is a schematic diagram of the water injection structure in this utility model;

[0038] Figure 5 This is a schematic diagram of the water return structure in this utility model;

[0039] Figure 6 This is a schematic diagram of the water return structure in this utility model.

[0040] In the diagram: 1. Water storage tank; 101. Tank body; 102. Testing platform; 103. Water guide chute; 104. Drive motor; 105. Water injection port; 2. Water injection structure; 201. Linkage shaft; 202. Paddle; 203. Pump head housing; 204. Pumping pipe; 205. Water injection pipe; 3. Water return structure; 301. Telescopic sleeve; 302. Water inlet port; 303. Connecting rod; 304. Electric actuator No. 1; 305. Water inlet pipe; 306. Water return pipe; 307. Electric actuator No. 2; 308. Pressure sensor; 309. Sealing plug. Detailed Implementation

[0041] 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.

[0042] Please see Figure 1-6 In this embodiment of the utility model, a fire extinguisher valve detection device includes a water storage tank 1, a water injection structure 2, and a water return structure 3. The water storage tank 1 includes a tank body 101, and a detection platform 102 is fixedly installed at the opening of the tank body 101. A water injection plug 105 is fixedly installed on the upper surface of the detection platform 102. The water injection structure 2 is embedded inside the detection platform 102. The water return structure 3 is fixedly installed on the rear surface of the tank body 101.

[0043] Specifically, the opening at the bottom of the valve, which is not connected to the carbon dioxide fire extinguisher tank and awaits a sealing test, is interlocked with the water injection port 105. Water stored in the water storage tank 1 is injected into the valve through the water injection structure 2. First, observe whether there is any leakage or seepage when the valve is closed. If there is no seepage, the valve spray port is interlocked with the return water structure 3, and the valve is opened to test the sealing performance when the valve is open. After the test, the test water is returned to the tank 101 through the return water structure 3 for recycling. While providing multiple testing methods for sealing performance, the test is conducted by water flow, which is convenient for testing personnel to observe directly. At the same time, the return water structure 3 allows the test water to be recycled and reused, reducing resource consumption.

[0044] Example 1

[0045] like Figure 2-4As shown, in this embodiment, the water storage tank 1 further includes a water guide chute 103 and a drive motor 104. The water guide chute 103 is opened on the front edge of the upper surface of the test platform 102. The drive motor 104 is fixedly installed on one side surface of the tank body 101. The water injection structure 2 includes a linkage shaft 201, blades 202 and a pump head housing 203. The linkage shaft 201 is rotatably installed inside the test platform 102. There are three blades 202, which are arranged at equal intervals and fixedly sleeved on the side surface of the linkage shaft 201. The pump head housing 203 is embedded inside the test platform 102, and the inside of the pump head housing 203 is rotatably sleeved with the blades 202.

[0046] In this embodiment, the testing platform 102 is set on the opening of the housing 101. Leaked water can flow directly back into the housing 101, and the leaked water can also be recycled. The drive motor 104 drives the linkage shaft 201 to rotate, which in turn drives the three blades 202 to rotate inside the pump head housing 203, drawing water to perform water injection testing.

[0047] like Figure 2 , 4 As shown, in this embodiment, the water injection structure 2 further includes a pumping pipe 204 and a water injection pipe 205. The pumping pipe 204 is fixedly connected to the lower edge of one side of the pump head housing 203; the lower end of the water injection pipe 205 is fixedly connected to one side of the pump head housing 203, and the upper end of the water injection pipe 205 is fixedly connected to the water injection plug 105.

[0048] In practice, the water stored inside the housing 101 is pumped into the pump head housing 203 through the pumping pipe 204, and water is injected into the valve that is connected to the water injection plug 105 through the water injection pipe 205 to perform water injection testing.

[0049] Example 2

[0050] Based on Example 1, this invention supplements the specific method for testing the sealing performance of the valve when it is opened, which was not mentioned in Example 1.

[0051] like Figure 5-6As shown, in this embodiment, the return water structure 3 includes a water inlet pipe 305, a telescopic sleeve 301, a water inlet plug 302, a connecting rod 303, a first electric actuator 304, a return water pipe 306, a second electric actuator 307, a pressure sensor 308, and a sealing plug 309. The water inlet pipe 305 is fixedly inserted and installed on the rear side wall of the housing 101; the telescopic sleeve 301 is slidably sleeved on the front end of the connecting rod 303; the water inlet plug 302 is fixedly installed on the front end of the telescopic sleeve 301; both ends of the connecting rod 303 are fixedly connected to the rear end of the telescopic sleeve 301; the first electric actuator 304 is fixedly installed on the rear end of the telescopic sleeve 301. The first electric actuator 304 is fixedly installed on the upper edge of the rear surface of the housing 101, and its output end is fixedly connected to the middle of the connecting rod 303. The upper end of the return water pipe 306 is fixedly connected to the bottom rear end of the water inlet pipe 305, and the lower end of the return water pipe 306 passes through the lower rear edge of the housing 101. The second electric actuator 307 is fixedly installed on the rear end of the water inlet pipe 305. The pressure sensor 308 is slidably installed inside the rear end of the water inlet pipe 305, and its rear surface is fixedly connected to the output end of the second electric actuator 307. The plug 309 is fixedly installed on the front surface of the pressure sensor 308.

[0052] In practice, when testing the sealing effect of the valve when it is open, the first electric actuator 304 is activated, and multiple telescopic sleeves 301 are simultaneously controlled by the connecting rod 303 to slide at the front end of the water inlet pipe 305, so that the water inlet plug 302 and the valve spray port are locked together. First, the pressure sensor 308 and the plug 309 are kept in place to block the connection between the return water pipe 306 and the water inlet pipe 305. The water pressure is applied to the pressure sensor 308 through the plug 309 to obtain the valve status under different pressures. When the pressure reaches the standard requirement, the valve passes the inspection. Then, the second electric actuator 307 is retracted, which moves the pressure sensor 308 and the plug 309 backward, opening the connection between the water inlet pipe 305 and the return water pipe 306, so that the water can re-enter the tank 101 through the return water pipe 306, realizing the water recovery.

[0053] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0054] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A fire extinguisher valve detection device, characterized in that, include: A water storage tank (1) includes a tank body (101), a testing platform (102) is fixedly installed at the opening of the tank body (101), and a water injection plug (105) is fixedly installed on the upper surface of the testing platform (102). Water injection structure (2), which is embedded inside the testing platform (102); A water return structure (3) is fixedly installed on the rear surface of the housing (101). The water return structure (3) includes: Water inlet pipe (305) is fixedly inserted and installed on the rear side wall of the box body (101); Telescopic sleeve (301), the telescopic sleeve (301) is slidably sleeved on the front end of the connecting rod (303); Water inlet (302), the water inlet (302) is fixedly installed at the front end of the telescopic sleeve (301); Connecting rod (303), both ends of which are fixedly connected to the rear end of telescopic sleeve (301); The first electric actuator (304) is fixedly installed on the upper edge of the rear surface of the housing (101), and the output end of the first electric actuator (304) is fixedly connected to the middle part of the connecting rod (303).

2. The fire extinguisher valve detection device according to claim 1, characterized in that, The water storage tank (1) also includes: Water guiding groove (103) is provided on the front edge of the upper surface of the testing table (102); A drive motor (104) is fixedly installed on one side surface of the housing (101).

3. The fire extinguisher valve detection device according to claim 2, characterized in that, The water injection structure (2) includes: Linkage shaft (201), which is rotatably mounted inside the testing table (102); The blades (202) are three in number, and the three blades (202) are arranged at equal intervals and fixedly sleeved on the side surface of the linkage shaft (201); Pump head housing (203) is embedded inside the test platform (102) and is rotatably connected to the blade (202).

4. The fire extinguisher valve detection device according to claim 3, characterized in that, The water injection structure (2) also includes: A water pumping pipe (204) is fixedly connected to the lower edge of one side of the pump head housing (203); Water injection pipe (205), the lower end of which is fixedly connected to one side of pump head housing (203), and the upper end of which is fixedly connected to water injection plug (105).

5. The fire extinguisher valve detection device according to claim 4, characterized in that, The water return structure (3) also includes: The upper end of the return water pipe (306) is fixedly connected to the bottom rear end of the water inlet pipe (305), and the lower end of the return water pipe (306) passes through the lower rear edge of the box body (101). The second electric actuator (307) is fixedly installed at the rear end of the water inlet pipe (305); Pressure sensor (308) is slidably installed inside the rear end of water inlet pipe (305), and the rear surface of pressure sensor (308) is fixedly connected to the output end of electric actuator (307). A plug (309) is fixedly installed on the front surface of the pressure sensor (308).