Fire extinguisher air tightness inspection device
By designing an air tightness testing device for fire extinguisher bottles, using a combination of an air pump and a sealing plug, the error problem caused by heating water in the existing technology is solved, and accurate air tightness testing is achieved.
Patent Information
- Application Number
- CN202420649409.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-01
- Publication Date
- 2025-01-21
- Estimated Expiration
- 2034-04-01
AI Technical Summary
In the prior art, there is an error in detecting the airtightness of the fire extinguisher bottle by heating the water body, and it is impossible to determine whether the air bubbles are generated by the fire extinguisher bottle body.
A fire extinguisher air tightness testing device is designed. The sealing plug is inserted into the mouth of the fire extinguisher bottle, the air pump is started to transport the gas into the bottle, and the bottle is allowed to stand in the water body to observe the bubbles to avoid the risk of heating the water body. error.
It effectively avoids air tightness detection errors caused by heating water and can accurately determine the air tightness of the fire extinguisher bottle.
Smart Images

Figure CN222379284U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of air tightness testing of fire extinguishers, in particular to an air tightness testing device for fire extinguishers. Background Art
[0002] A fire extinguisher is a portable fire-fighting tool. Chemicals are placed in the fire extinguisher to put out fires. Fire extinguishers are one of the most common firefighting equipment and are stored in public places or places where fires may occur. Different types of fire extinguishers are filled with different ingredients and are designed for different causes of fire. Be careful when using them to avoid adverse effects and dangers.
[0003] The existing technology mostly adopts a water inspection device for checking the air tightness of small fire extinguishers, such as the one disclosed in announcement number CN201820431906.2. This technology includes a water tank and a chain. A heating device is installed in the water tank. The water tank has a cover plate. The chain is hung on the hanging plate and can move along the hanging plate. A sleeve for covering the fire extinguisher bottle is fixed under the chain. This technology is suitable for air tightness water inspection of small fire extinguishers. The fire extinguisher is transported by the chain and passes through the observation window in turn for observation. However, the above technology still has problems during use due to structural limitations:
[0004] In the above technology, the water body is heated to increase the generation of bubbles. However, during the heating process, the water body itself will also generate bubbles due to the increase in temperature. At this time, only the bubbles are observed, and it is impossible to determine whether the bubbles are generated by the fire extinguisher bottle. Therefore, the above technology has errors when detecting the air tightness of the fire extinguisher bottle. Utility Model Content
[0005] The utility model aims to solve the error problem in the prior art of detecting the air tightness of a fire extinguisher bottle by heating water, and proposes a fire extinguisher air tightness testing device.
[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0007] A fire extinguisher air tightness testing device comprises a base, on which is arranged:
[0008] A detection chamber and a drying chamber, both of which are opened on the base, an inclined platform is fixedly installed in the drying chamber, and a friction block is fixedly connected to the inclined platform;
[0009] A fixed truss, a rotating platform and a conveying pipe, wherein the fixed truss is fixedly connected to the base, the rotating platform is arranged below the fixed truss, and the conveying pipe penetrates and is fixedly connected to the rotating platform;
[0010] An air pump, a sealing plug and a limiting clamp, wherein the air pump is fixedly installed at the upper end of the rotating platform, and the output end of the air pump is fixedly connected to the upper end of the delivery pipe, the sealing plug is fixedly connected to the lower end of the delivery pipe, and the sealing plug extends from the lower end of the delivery pipe, and two limiting clamps are respectively arranged at both ends of the sealing plug, and the two limiting clamps cooperate to clamp the fire extinguisher bottle;
[0011] The driving mechanism is arranged on the fixed truss and is used to drive two limiting clamps.
[0012] Preferably, a placement groove is provided at the bottom end of the detection chamber, and the lower end of the fire extinguisher bottle body is movably sleeved in the placement groove.
[0013] Preferably, a discharge port is provided in the drying chamber, and the discharge port is aligned with the lowest point of the inclined platform.
[0014] Preferably, a hot air blower is fixedly mounted on the upper end of the drying chamber, and an output end of the hot air blower is inclined upward.
[0015] Preferably, the driving mechanism comprises:
[0016] A rotating shaft and a driving motor, wherein the rotating shaft penetrates and is rotatably connected to the fixed truss, the driving motor is fixedly installed at the upper end of the fixed truss, and the output end of the driving motor is fixedly connected to the upper end of the rotating shaft;
[0017] An electric telescopic bracket and a rotating shaft, wherein the electric telescopic bracket is fixedly connected to the rotating platform, the rotating shaft penetrates and is rotatably connected to the output end of the electric telescopic bracket, a fixed motor is fixedly connected to the output end of the electric telescopic bracket away from the sealing plug, and the output end of the fixed motor is fixedly connected to the rotating shaft;
[0018] A movable long plate and a cylinder, wherein the movable long plate is fixedly sleeved on the rotating shaft, and the cylinder is welded on the movable long plate.
[0019] Preferably, the rotating platform is fixedly connected to the lower end of the rotating shaft, and the output end of the cylinder is fixedly connected to the limiting clamp.
[0020] Compared with the prior art, the utility model has the following advantages:
[0021] 1. The utility model first inserts the sealing plug into the bottle mouth of the fire extinguisher bottle, then starts the air pump to deliver the gas from the delivery pipe to the fire extinguisher bottle, and then drives the electric telescopic bracket to move downward, so that the fire extinguisher bottle is placed still in the water body. At this time, the water body is not heated, and the bubbles in the water body can be directly observed to avoid errors in air tightness detection caused by heating the water body.
[0022] 2. The utility model allows the rotating fire extinguisher bottle to move to the top of the drying chamber and starts the air pump and the hot air blower. The air pump generates downward-flowing gas, while the hot air blower generates upward-flowing gas, thereby accelerating the evaporation of water on the surface of the fire extinguisher bottle and quickly drying the surface of the fire extinguisher. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 This is a structural schematic diagram of a fire extinguisher air tightness testing device proposed by the utility model;
[0024] Figure 2 It is a front cross-sectional schematic diagram of a fire extinguisher air tightness testing device proposed by the utility model;
[0025] Figure 3 It is a right sectional schematic diagram of a fire extinguisher air tightness testing device proposed by the utility model;
[0026] Figure 4 The utility model provides a schematic diagram of the limit clamp structure of the fire extinguisher air tightness testing device.
[0027] In the figure: 1. base; 2. detection chamber; 3. drying chamber; 4. fixed truss; 5. rotating platform; 6. conveying pipe; 7. air pump; 8. sealing plug; 9. limit clamp; 10. placement groove; 11. discharge port; 12. rotating shaft; 13. driving motor; 14. electric telescopic bracket; 15. rotating shaft; 16. moving long board; 17. cylinder; 18. hot air blower. DETAILED DESCRIPTION
[0028] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0029] Reference Figure 1-Figure 4 A fire extinguisher air tightness test device comprises a base 1, on which a detection chamber 2 and a drying chamber 3 are arranged, and the detection chamber 2 and the drying chamber 3 are both opened on the base 1. Figure 2 As shown, an inclined platform is fixedly installed in the drying chamber 3, and the inclined platform is inclined from left to right. At the same time, a friction block is fixedly connected to the inclined platform. After the dried fire extinguisher bottle falls onto the inclined platform, the resistance of the friction block slows down the falling speed of the fire extinguisher bottle.
[0030] A fixed truss 4, a rotating platform 5 and a conveying pipe 6, wherein the fixed truss 4 is fixedly connected to the base 1, the rotating platform 5 is arranged below the fixed truss 4, and the conveying pipe 6 penetrates and is fixedly connected to the rotating platform 5;
[0031] An air pump 7, a sealing plug 8 and a limiting clamp 9, wherein the air pump 7 is fixedly mounted at the upper end of the rotating platform 5, and the output end of the air pump 7 is fixedly connected to the upper end of the delivery pipe 6, the sealing plug 8 is fixedly connected to the lower end of the delivery pipe 6, and the sealing plug 8 extends from the lower end of the delivery pipe 6, the sealing plug 8 can be inserted into the bottle mouth of the fire extinguisher bottle to seal the fire extinguisher bottle, and the air pump 7 is started at the same time to inject gas into the fire extinguisher bottle, and two limiting clamps 9 are respectively arranged at both ends of the sealing plug 8, and the two limiting clamps 9 move relative to each other to clamp the fire extinguisher bottle; a driving mechanism, wherein the driving mechanism is arranged on the fixed truss 4, and is used to drive the two limiting clamps 9.
[0032] A placement groove 10 is provided at the bottom of the detection chamber 2, and the lower end of the fire extinguisher bottle is movably sleeved in the placement groove 10 to limit the lower end of the fire extinguisher bottle to prevent the fire extinguisher bottle from moving during the air tightness test. A discharge port 11 is provided in the drying chamber 3, and the discharge port 11 is aligned with the lowest point of the inclined platform, and a hot air blower 18 is fixedly installed at the upper end of the drying chamber 3, and the output end of the hot air blower 18 is tilted upward to dry the fire extinguisher bottle, and the water generated by the drying falls onto the inclined platform, and under the guidance of the inclined platform, the water flows to the lowest point of the inclined platform and is discharged at the discharge port 11, and when the fire extinguisher bottle falls to the lowest point of the inclined platform, the fire extinguisher bottle stays on the inclined platform under the obstruction of the inner wall of the drying chamber 3, and then each fire extinguisher bottle stays at the rear end of the previous fire extinguisher bottle.
[0033] The driving mechanism includes: a rotating shaft 12 and a driving motor 13. The rotating shaft 12 penetrates and is rotatably connected to the fixed truss 4. The driving motor 13 is fixedly installed at the upper end of the fixed truss 4, and the output end of the driving motor 13 is fixedly connected to the upper end of the rotating shaft 12.
[0034] The electric telescopic bracket 14 and the rotating shaft 15, the electric telescopic bracket 14 is fixedly connected to the rotating platform 5, the rotating shaft 15 penetrates and is rotatably connected to the output end of the electric telescopic bracket 14, the output end of the electric telescopic bracket 14 is fixedly connected to a fixed motor on the side away from the sealing plug 8, and the output end of the fixed motor is fixedly connected to the rotating shaft 15;
[0035] The movable long plate 16 and the cylinder 17 are fixedly sleeved on the rotating shaft 15, and the cylinder 17 is welded on the movable long plate 16. Figure 2 As shown, the rotating platform 5 is fixedly connected to the lower end of the rotating shaft 12, and a plurality of limit clamps 9 are provided at both ends of the rotating platform 5. After the fire extinguisher bottle body is inspected, the rotating platform 5 rotates to move the inspected fire extinguisher bottle body to the top of the drying chamber 3 for drying it.
[0036] After the limit clamp 9 clamps the fire extinguisher bottle, the fire extinguisher bottle is allowed to enter the water body. At the same time, the delivery pipe 6 is a retractable bellows so that it can follow the up and down movement of the fire extinguisher bottle. After the inspection is completed, the fire extinguisher bottle is moved to the top of the drying chamber 3 and dried. Then the clamping of the fire extinguisher bottle is released, allowing it to fall onto the inclined platform for centralized collection.
[0037] The functional principle of the utility model can be explained through the following operation modes:
[0038] First, the cylinder 17 is driven, and the output end of the cylinder 17 drives the two limit clamps 9 to move relatively close to each other and clamp the fire extinguisher bottle. Then, the electric telescopic bracket 14 is driven, and the output end of the electric telescopic bracket 14 drives the fire extinguisher bottle to move upward, so that the sealing plug 8 is inserted into the bottle mouth of the fire extinguisher bottle, thereby sealing the fire extinguisher bottle.
[0039] At this time, the air pump 7 is started to deliver the gas from the delivery pipe 6 to the fire extinguisher bottle, and then the electric telescopic bracket 14 is driven to move downward, so that the lower end of the fire extinguisher bottle is placed in the placement groove 10, so that the fire extinguisher bottle is placed in the water body, and observe whether bubbles are generated in the water body;
[0040] After the test is completed, the sealing plug 8 is pulled out from the fire extinguisher bottle by hand, and the electric telescopic bracket 14 is driven to move upward to separate the lower end of the fire extinguisher bottle from the placement groove 10, and then the fixed motor is started to drive the rotating shaft 15 to rotate through the output end of the fixed motor. The rotating shaft 15 drives the fire extinguisher bottle to rotate through the moving long plate 16 and the cylinder 17, so that the bottle mouth of the fire extinguisher bottle is opposite to the detection chamber 2;
[0041] At this time, the drive motor 13 is started, and the output end of the drive motor 13 drives the rotating platform 5 to rotate through the rotating shaft 12, so that the rotating fire extinguisher bottle moves to the top of the drying chamber 3, and the air pump 7 and the hot air blower 18 are started. The air pump 7 generates downward-flowing gas, and the hot air blower 18 generates upward-flowing gas, thereby accelerating the evaporation of water on the surface of the fire extinguisher bottle.
[0042] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A fire extinguisher air tightness test device, comprising a base (1), characterized in that: The base (1) is provided with: A detection chamber (2) and a drying chamber (3), wherein the detection chamber (2) and the drying chamber (3) are both arranged on the base (1), an inclined platform is fixedly installed in the drying chamber (3), and a friction block is fixedly connected to the inclined platform; A fixed truss (4), a rotating platform (5) and a conveying pipe (6), wherein the fixed truss (4) is fixedly connected to the base (1), the rotating platform (5) is arranged below the fixed truss (4), and the conveying pipe (6) penetrates and is fixedly connected to the rotating platform (5); An air pump (7), a sealing plug (8) and a limiting clamp (9), wherein the air pump (7) is fixedly mounted on the upper end of the rotating platform (5), and the output end of the air pump (7) is fixedly connected to the upper end of the delivery pipe (6), the sealing plug (8) is fixedly connected to the lower end of the delivery pipe (6), and the sealing plug (8) extends from the lower end of the delivery pipe (6), and two limiting clamps (9) are respectively arranged at both ends of the sealing plug (8), and the two limiting clamps (9) cooperate with each other to clamp the fire extinguisher bottle; A driving mechanism is arranged on the fixed truss (4) and is used to drive two limiting clamps (9).
2. A fire extinguisher air tightness testing device according to claim 1, characterized in that: The bottom end of the detection chamber (2) is provided with a placement groove (10), and the lower end of the fire extinguisher bottle body is movably sleeved in the placement groove (10).
3. A fire extinguisher air tightness testing device according to claim 1, characterized in that: The drying chamber (3) is provided with a discharge port (11), and the discharge port (11) is aligned with the lowest point of the inclined platform.
4. A fire extinguisher air tightness testing device according to claim 1, characterized in that: A hot air blower (18) is fixedly mounted on the upper end of the drying chamber (3), and the output end of the hot air blower (18) is inclined upward.
5. A fire extinguisher air tightness testing device according to claim 1, characterized in that: The driving mechanism comprises: A rotating shaft (12) and a driving motor (13), wherein the rotating shaft (12) penetrates and is rotatably connected to the fixed truss (4), the driving motor (13) is fixedly installed at the upper end of the fixed truss (4), and the output end of the driving motor (13) is fixedly connected to the upper end of the rotating shaft (12); An electric telescopic bracket (14) and a rotating shaft (15), wherein the electric telescopic bracket (14) is fixedly connected to the rotating platform (5), and the rotating shaft (15) penetrates and is rotatably connected to the output end of the electric telescopic bracket (14), and a fixed motor is fixedly connected to the output end of the electric telescopic bracket (14) away from the sealing plug (8), and the output end of the fixed motor is fixedly connected to the rotating shaft (15); A movable long plate (16) and a cylinder (17), wherein the movable long plate (16) is fixedly sleeved on the rotating shaft (15), and the cylinder (17) is welded to the movable long plate (16).
6. A fire extinguisher air tightness testing device according to claim 5, characterized in that: The rotating platform (5) is fixedly connected to the lower end of the rotating shaft (12), and the output end of the cylinder (17) is fixedly connected to the limiting clamp (9).
Citation Information
Patent Citations
A device is examined to water for examining small -size fire extinguisher gas tightness
CN208012821U