CN219389394U - Quick-pulling gas cylinder valve for escape air respirator - Google Patents
Quick-pulling gas cylinder valve for escape air respirator Download PDFInfo
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- CN219389394U CN219389394U CN202320136544.5U CN202320136544U CN219389394U CN 219389394 U CN219389394 U CN 219389394U CN 202320136544 U CN202320136544 U CN 202320136544U CN 219389394 U CN219389394 U CN 219389394U
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- cylinder valve
- valve
- movable rod
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Abstract
The utility model provides a quick-pull gas cylinder valve for an escape air respirator, and relates to the technical field of quick-pull gas cylinder valves. The quick-pulling gas cylinder valve for the escape air respirator comprises a gas cylinder valve, wherein an airtight bolt is connected inside the gas cylinder valve in a sliding manner, an airtight ventilation movable rod is fixedly connected to the top of the airtight bolt, a positioning bolt is clamped inside the airtight ventilation movable rod, a movable rod spring is arranged at the bottom of the airtight ventilation movable rod, and the movable rod spring is fixedly connected to the inner wall of the gas cylinder valve. This quick-pulling gas cylinder valve for air breather of fleing down presses the airtight movable rod that ventilates to in will fixing a position the bolt card goes into the draw-in groove of airtight movable rod that ventilates, the second gas cylinder valve passageway on the airtight bolt misplaces with the interior air current passageway of gas cylinder valve this moment, and forms the airtight through O type circle, compares the gas cylinder valve that adopts in the market before and opens the closure mode, has reduced the loaded down with trivial details step of opening, when urgent fleing, can reduce gas cylinder valve opening time effectively.
Description
Technical Field
The utility model relates to a quick-pulling gas cylinder valve, in particular to a quick-pulling gas cylinder valve for an escape air respirator, and belongs to the technical field of quick-pulling gas cylinder valves.
Background
The air respirator is a self-contained open air respirator, and is widely applied to departments such as fire protection, chemical industry, ships, petroleum, smelting, warehouses, laboratories, mines and the like, so that firefighters or rescue workers can safely and effectively extinguish fire, rescue and relief work under various environments such as dense smoke, toxic gas, steam or hypoxia.
According to the patent number CN206964906U, the novel integrated air bottle pressure reducing valve of the air respirator is disclosed, a bottle head valve block is screwed on a bottle head valve seat through threads, a bottle head valve core is fixedly arranged at the lower end of the bottle head valve block, and the bottle head valve core is positioned at a port of a high-pressure air channel on the bottle head valve seat; the bottle head valve seat is connected with a pressure regulating valve seat and a filter cap mounting seat, the filter cap mounting seat is provided with a filter cap, and a high-pressure air path on the bottle head valve seat is communicated to a clean air cavity on the pressure regulating valve seat through the filter cap; the pressure regulating valve seat is connected with a pressure regulating valve shell, a sliding pressure regulating piston is arranged between the pressure regulating valve seat and the pressure regulating valve shell, a pressure regulating spring is supported between the pressure regulating piston and the pressure regulating valve seat, and a pressure reducing cavity at the upper end of the pressure regulating piston is communicated with a low pressure pipe interface; the pressure regulating valve seat is also provided with a safety valve core, and the safety valve core is supported with a safety valve spring. The gas cylinder pressure reducing valve is compact in structure, small in air flow resistance, safe and reliable to use, and has a normal leakage protection function.
The existing air respirator gas cylinder valve for escape adopts a knob type gas cylinder valve, and the gas cylinder valve is required to be tightly closed by a screw mechanism for rotating for more than 3 circles no matter when the air respirator is inflated or deflated, so that the tightly closed mechanism inside the gas cylinder valve can be opened, and a ventilation channel between carbon fiber gas cylinders in the gas cylinder valve can be in an unblocked state, under the condition, the inflation operation of the carbon fiber gas cylinders can be carried out, or the carbon fiber gas cylinders and the gas cylinder valve are in a deflation state when the air respirator is used.
Disclosure of Invention
(one) solving the technical problems
The utility model aims to solve the problems and provide the quick-pull gas cylinder valve for the escape air respirator, so as to solve the problems in the prior art.
(II) technical scheme
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides an escape air breather is with quick air-pulling cylinder valve, includes the cylinder valve, the inside sliding connection of cylinder valve has airtight bolt, airtight bolt top fixedly connected with airtight ventilation movable rod, airtight ventilation movable rod inside joint has the location bolt, airtight ventilation movable rod bottom is provided with movable rod spring, movable rod spring fixed connection is in the cylinder valve inner wall, airtight bolt is inside to have seted up the interior air current passageway of cylinder valve, cylinder valve one side is provided with automatic switch assembly.
Preferably, the automatic switch assembly comprises a first gas cylinder valve channel, the first gas cylinder valve channel is arranged inside a gas cylinder valve, a one-way valve piston is slidably connected to the other side of the first gas cylinder valve channel, a one-way valve spring is fixedly connected to the other side of the one-way valve piston, the one-way valve spring is fixedly connected to the inner wall of the gas cylinder valve, and the one-way valve spring is arranged to push the one-way valve piston to move, so that the first gas cylinder valve channel of the high-pressure filling pump and the carbon fiber gas cylinder can be automatically switched on and off.
Preferably, a groove is formed in the gas cylinder valve, the one-way valve spring is arranged in the groove, and the gas cylinder valve is in sliding connection with the one-way valve piston through the groove.
Preferably, the second gas cylinder valve channel is arranged in the gas cylinder valve, the two ends of the gas cylinder valve are fixedly connected with the joint of the output ends of the gas cylinder valve, and the second gas cylinder valve channel is arranged, so that the second gas cylinder valve channel is communicated with the gas flow channel in the gas cylinder valve, the complicated step of opening is reduced, and the opening time of the gas cylinder valve can be effectively reduced when emergency escape is performed.
Preferably, a clamping groove is formed in the airtight ventilation movable rod, the positioning bolt is clamped with the airtight ventilation movable rod through the clamping groove, and the positioning bolt can limit the airtight ventilation movable rod through the clamping groove.
Preferably, a bar-shaped groove is formed in the gas cylinder valve, and the movable rod spring is arranged in the bar-shaped groove.
Preferably, the top of the gas cylinder valve is provided with a movable rod cover limiting clamping groove, and the gas cylinder valve is clamped with the airtight ventilation movable rod through the movable rod cover limiting clamping groove.
The utility model provides a quick-pulling air bottle valve for an escape air respirator, which has the following beneficial effects:
1. this quick-pulling gas cylinder valve for air breather of fleing down presses the airtight movable rod that ventilates to in will fixing a position the bolt card goes into the draw-in groove of airtight movable rod that ventilates, the second gas cylinder valve passageway on the airtight bolt misplaces with the interior air current passageway of gas cylinder valve this moment, and forms the airtight through O type circle, compares the gas cylinder valve that adopts in the market before and opens the closure mode, has reduced the loaded down with trivial details step of opening, when urgent fleing, can reduce gas cylinder valve opening time effectively.
2. This quick air cylinder valve of drawing of air for air breather of fleing, the air current of high pressure filling pump output is because the blocking of airtight bolt can't flow through the cylinder valve output, when aerifing, because the high pressure filling pump interface keeps unanimous with the atmospheric pressure in the carbon fiber gas cylinder, the check valve spring is because the relation of elasticity in the cylinder valve, will promote the check valve piston to the outside and remove, after the inboard laminating of check valve piston and cylinder valve inflation interface, will close the first cylinder valve passageway of high pressure filling pump and carbon fiber gas cylinder, and keep the laminating state to be connected with the high pressure filling pump next time and aerify.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is an enlarged view of the portion A of FIG. 1 in accordance with the present utility model;
fig. 3 is an enlarged view of the B part structure of fig. 1 according to the present utility model.
In the figure: 1. a gas cylinder valve; 2. a first cylinder valve passage; 3. a check valve piston; 4. a check valve spring; 5. an airtight plug; 6. a second cylinder valve passage; 7. the output end of the gas cylinder valve is connected; 8. positioning a bolt; 9. an airtight ventilation movable rod; 10. a movable rod spring; 12. the movable rod cover limiting clamping groove; 13. and an air flow passage in the air cylinder valve.
Detailed Description
The embodiment of the utility model provides a quick-pull gas cylinder valve for an escape air respirator.
Referring to fig. 1, 2 and 3, the automatic opening and closing assembly comprises a gas cylinder valve 1, an airtight bolt 5 is slidably connected inside the gas cylinder valve 1, the automatic opening and closing assembly comprises a first gas cylinder valve channel 2, the first gas cylinder valve channel 2 is arranged inside the gas cylinder valve 1, a one-way valve piston 3 is slidably connected to the other side of the first gas cylinder valve channel 2, a one-way valve spring 4 is fixedly connected to the other side of the one-way valve piston 3, the one-way valve spring 4 is fixedly connected to the inner wall of the gas cylinder valve 1, the one-way valve spring 4 is arranged to push the one-way valve piston 3 to move, so that the high-pressure filling pump and the first gas cylinder valve channel 2 of the carbon fiber gas cylinder can be automatically opened and closed, a groove is formed in the gas cylinder valve 1, the one-way valve spring 4 is arranged inside the groove, the gas cylinder valve 1 and the one-way valve piston 3 are slidably connected through the groove, a second gas cylinder valve channel 6 is formed in the gas cylinder valve 1, the second gas cylinder valve channel 6 is communicated with the gas cylinder valve inner gas flow channel 13 through the arrangement, the opening steps are reduced, and the opening steps of the gas cylinder can be effectively shortened in emergency, and the escape time of the gas cylinder valve 1 can be effectively shortened.
Specifically: the high-pressure filling pump inflating interface is screwed with the input end of the gas cylinder valve 1, when the air pressure output by the high-pressure filling pump enters the gas cylinder valve 1 through the first gas cylinder valve channel 2, the check valve piston 3 is pushed to move towards the inside of the groove, when the pressure is higher than the air pressure of the check valve spring 4 in the gas cylinder valve 1 inflating interface, the high-pressure filling pump inflating interface and the ventilation channel in the carbon fiber gas cylinder are opened, the high-pressure air flow enters the gas cylinder through the second gas cylinder valve channel 6, in the inflating process, the air flow output by the high-pressure filling pump cannot flow out through the output end of the gas cylinder valve 1 because of the blocking of the airtight bolt 5, when the inflating is finished, the check valve piston 3 is pushed to move towards the outside because of the elastic relationship between the high-pressure filling pump interface and the air pressure in the carbon fiber gas cylinder, and the check valve piston 3 is closed after the check valve piston 3 is attached to the inner side of the gas cylinder valve 1 inflating interface, and the first gas cylinder valve channel 2 of the high-pressure filling pump and the carbon fiber gas cylinder are kept attached to be connected with the high-pressure filling pump for the next time.
Referring to fig. 1, 2 and 3 again, the airtight ventilation movable rod 9 is fixedly connected to the top of the airtight plug 5, the positioning plug 8 is clamped inside the airtight ventilation movable rod 9, the movable rod spring 10 is arranged at the bottom of the airtight ventilation movable rod 9, the movable rod spring 10 is fixedly connected to the inner wall of the gas cylinder valve 1, the gas cylinder valve inner air flow channel 13 is arranged inside the airtight plug 5, an automatic switch component is arranged on one side of the gas cylinder valve 1, the gas cylinder valve output end connection parts 7 are fixedly connected to two ends of the gas cylinder valve 1, the clamping grooves are arranged inside the airtight ventilation movable rod 9, the positioning plug 8 and the airtight ventilation movable rod 9 are clamped through the clamping grooves, the positioning plug 8 can limit the airtight ventilation movable rod 9 through the clamping grooves, the strip-shaped grooves are formed inside the gas cylinder valve 1, the movable rod spring 10 is arranged inside the strip-shaped grooves, the movable rod cover limiting clamping grooves 12 are formed in the top of the gas cylinder valve 1, and the gas cylinder valve 1 and the airtight ventilation movable rod 9 are clamped through the movable rod cover limiting clamping grooves 12.
Specifically: the positioning bolt 8 is pulled out, the airtight ventilation movable rod 9 moves upwards to the movable rod cover limiting clamping groove 12 to stop under the elasticity of the movable rod spring 10, and the ventilation channel gas cylinder valve inner gas flow channel 13 at the lower part of the airtight ventilation movable rod 9 is synchronized, so that the second gas cylinder valve channel 6 is communicated with the gas cylinder valve inner gas flow channel 13, the pressure reducer which is used for opening the junction 7 between the inside of the carbon fiber gas cylinder and the gas cylinder valve output end is connected, when the pressure reducer needs to be closed, the airtight ventilation movable rod 9 is pressed downwards, the positioning bolt 8 is clamped into the clamping groove of the airtight ventilation movable rod 9, at the moment, the second gas cylinder valve channel 6 on the airtight bolt 5 is staggered with the gas cylinder valve inner gas flow channel 13, and airtight is formed through the O-shaped ring.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides an escape air breather pulls out gas cylinder valve soon, includes gas cylinder valve (1), its characterized in that: the gas cylinder valve is characterized in that the gas cylinder valve (1) is internally connected with a gas-tight bolt (5) in a sliding manner, the top of the gas-tight bolt (5) is fixedly connected with a gas-tight ventilation movable rod (9), a positioning bolt (8) is clamped inside the gas-tight ventilation movable rod (9), a movable rod spring (10) is arranged at the bottom of the gas-tight ventilation movable rod (9), the movable rod spring (10) is fixedly connected to the inner wall of the gas cylinder valve (1), a gas cylinder valve inner gas flow channel (13) is formed in the gas-tight bolt (5), and an automatic switch assembly is arranged on one side of the gas cylinder valve (1).
2. The quick-pull bottle valve for an escape air respirator according to claim 1, wherein: the automatic switch assembly comprises a first gas cylinder valve channel (2), the first gas cylinder valve channel (2) is arranged inside a gas cylinder valve (1), a one-way valve piston (3) is slidably connected to the other side of the first gas cylinder valve channel (2), a one-way valve spring (4) is fixedly connected to the other side of the one-way valve piston (3), and the one-way valve spring (4) is fixedly connected to the inner wall of the gas cylinder valve (1).
3. The quick-pull bottle valve for an escape air respirator according to claim 2, wherein: the gas cylinder valve (1) is internally provided with a groove, the one-way valve spring (4) is arranged in the groove, and the gas cylinder valve (1) is in sliding connection with the one-way valve piston (3) through the groove.
4. The quick-pull bottle valve for an escape air respirator according to claim 1, wherein: the gas cylinder valve (1) is internally provided with a second gas cylinder valve channel (6), and the two ends of the gas cylinder valve (1) are fixedly connected with gas cylinder valve output end joints (7).
5. The quick-pull bottle valve for an escape air respirator according to claim 1, wherein: the inside draw-in groove that has seted up of airtight ventilation movable rod (9), pass through draw-in groove joint between location bolt (8) and the airtight ventilation movable rod (9).
6. The quick-pull bottle valve for an escape air respirator according to claim 1, wherein: the gas cylinder valve (1) is internally provided with a bar-shaped groove, and the movable rod spring (10) is arranged in the bar-shaped groove.
7. The quick-pull bottle valve for an escape air respirator according to claim 1, wherein: the top of the gas cylinder valve (1) is provided with a movable rod cover limiting clamping groove (12), and the gas cylinder valve (1) is clamped with the airtight ventilation movable rod (9) through the movable rod cover limiting clamping groove (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320136544.5U CN219389394U (en) | 2023-02-07 | 2023-02-07 | Quick-pulling gas cylinder valve for escape air respirator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320136544.5U CN219389394U (en) | 2023-02-07 | 2023-02-07 | Quick-pulling gas cylinder valve for escape air respirator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219389394U true CN219389394U (en) | 2023-07-21 |
Family
ID=87198763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320136544.5U Active CN219389394U (en) | 2023-02-07 | 2023-02-07 | Quick-pulling gas cylinder valve for escape air respirator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219389394U (en) |
-
2023
- 2023-02-07 CN CN202320136544.5U patent/CN219389394U/en active Active
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