CN217041125U - Air supply device capable of maintaining air breathing requirement of firemen for long time - Google Patents
Air supply device capable of maintaining air breathing requirement of firemen for long time Download PDFInfo
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- CN217041125U CN217041125U CN202220681710.5U CN202220681710U CN217041125U CN 217041125 U CN217041125 U CN 217041125U CN 202220681710 U CN202220681710 U CN 202220681710U CN 217041125 U CN217041125 U CN 217041125U
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Abstract
The utility model relates to a can maintain air feeder of fire fighter air breathing demand for a long time, exhale face guard, fire hose, connect at the quick crossover sub of fire hose front end, quick crossover sub's front end and be connected with the fire-fighting lance or sweep the rifle including an air, seted up a through-hole on the quick crossover sub lateral wall, the air is exhaled and is connected with an air duct on the face guard, and the air duct is kept away from the air and is exhaled the one end of face guard and pass through quick-operation joint and be connected with the through-hole, and fire hose rear end detachably connects on the gas outlet of air compressor pump. The device overcomes the technical problems that the effective rescue time of the firemen in the emergency rescue and disaster relief is short, the physical power consumed by replacing the high-pressure air storage tank back and forth is large, and the rescue efficiency and the success rate are low at present.
Description
Technical Field
The utility model belongs to the technical field of fire-fighting equipment, concretely relates to air feeder that can maintain fire fighter's air breathing demand for a long time.
Background
When a fireman enters a fire scene or rescues in an area with unknown air quality, the fireman needs to carry an air supply device to provide air for self-breathing, and the conventional air supply device comprises a high-pressure air storage tank, an air breathing mask (called as an air breathing mask for short) and an air duct connecting the high-pressure air storage tank and the air breathing mask. In the rescue process of a fireman, a high-pressure air storage tank on the back of the body and a head-mounted air breathing mask are used for providing air breathing by utilizing the air storage tank.
However, the capacity of the high-pressure air storage tank is limited, only one firefighter can be generally maintained to use for 20-40 minutes, the time for replacing the high-pressure air storage tank back and forth is omitted, the actual rescue time of the firefighter is shorter, the physical power of the firefighter is greatly consumed by replacing the high-pressure air storage tank back and forth, and the rescue efficiency and the success rate are reduced due to the comprehensive result.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the air supply device capable of maintaining air breathing requirements of the firemen for a long time is provided to overcome the technical problems that the effective rescue time of the firemen in emergency rescue is short, the physical power consumed by replacing the high-pressure air storage tank back and forth is large, and the rescue efficiency and the success rate are low at present.
In order to solve the technical problem, the utility model adopts the technical scheme that: the air supply device capable of maintaining air breathing requirements of firefighters for a long time comprises an air breathing mask, a fire hose, a quick switching joint connected to the front end of the fire hose, a fire-fighting lance or a blowing gun connected to the front end of the quick switching joint, a through hole is formed in the side wall of the quick switching joint, an air duct is connected to the air breathing mask, one end, far away from the air breathing mask, of the air duct is connected with the through hole through the quick switching joint, and the rear end of the fire hose is detachably connected to an air outlet of an air compression pump.
As a preferable scheme, the quick coupling comprises a male head and a female head, the female head of the quick coupling is in butt joint with the through hole, the quick coupling is a self-sealing quick coupling, and the female head of the quick coupling has a self-sealing function.
As a preferred scheme, the female head of quick-operation joint is connected with quick crossover sub through a distribution pipe that both ends are sealed, and one side of distribution pipe is connected with a plurality of quick-operation joint's female head, and the opposite side of distribution pipe is connected with a connecting pipe, and the connecting pipe communicates with the through-hole is sealed.
Preferably, one end of the air duct connected with the air breathing mask is provided with a first flow valve.
As a preferred scheme, still include a back of the body and hold in the palm, back of the body holds in the palm both sides and is connected with a braces respectively, and the back of the body holds in the palm and goes up the suspension and have the high-pressure air storage tank, and high-pressure air storage tank top is connected with the blast pipe, and blast pipe end connection has quick-operation joint's female head, is provided with the second flow valve on the blast pipe.
As a preferred scheme, the device further comprises an inflation hose, wherein the two ends of the inflation hose are connected with male heads of the quick connectors, and the inflation hose is used for connecting the quick connector and the high-pressure air storage tank and inflating the high-pressure air storage tank.
Preferably, the fire-fighting lance and the purging lance are both provided with an open-close valve.
The beneficial effects of the utility model are that: the utility model discloses a breathing out the face guard with the sky and being connected with quick crossover sub, utilizing fire hose to provide compressed air for the fire fighter to breathe and use, the long restriction of breathing that eliminates fire fighter's rescue in-process and receives like this prolongs fire fighter's effective rescue time greatly, saves the physical demands of fire fighter's rescue in-process, improves rescue efficiency and success rate. The front end of the quick adapter is connected with a fire-fighting lance or a blowing lance which can be used for blowing light pollutants such as dust and the like, so that firemen can quickly clean the scene to rescue.
Drawings
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings, in which:
fig. 1 is a schematic diagram of a specific structure of the gas supply device of the present invention;
in FIG. 1: 1. the air breathing mask comprises an air breathing mask body, 2 fire hoses, 3 quick switching joints, 4 fire water guns, 5 purging guns, 6 through holes, 7 air guide pipes, 8 quick switching joints, 801 quick connectors, male connectors, 802 female connectors, 9 air compression pumps, 10 distribution pipes, 11 connecting pipes, 12 first flow valves, 13 back supports, 14 back supports, 15 high-pressure air storage tanks, 16 exhaust pipes, 17 second flow valves, 18 inflation hoses, 19 opening and closing valves.
Detailed Description
Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1, the air supply device capable of maintaining air breathing demand of firemen for a long time includes an air breathing mask 1, a fire hose 2, a quick switching joint 3 connected to the front end of the fire hose 2, a fire-fighting lance 4 or a purging lance 5 connected to the front end of the quick switching joint 3, and on-off valves 19 are provided on the fire-fighting lance 4 and the purging lance 5. A through hole 6 is formed in the side wall of the quick switching connector 3, an air guide pipe 7 is connected to the air breathing mask 1, one end, far away from the air breathing mask, of the air guide pipe 7 is connected with the through hole 6 through a quick connector 8, and the rear end of the fire hose 1 is detachably connected to an air outlet of an air compressor pump 9. Air compressor pump 9 carries high-pressure air in to fire hose 1, and high-pressure air carries to quick crossover sub 3 department through fire hose 1, and partly compressed air passes through-hole 6 and quick-operation joint 8 and gets into air duct 7, and the confession fireman breathes in breathing mask 1 along air duct 7 entering air, and partly compressed air is through fire-fighting lance 4 or sweep rifle 5 blowout, sweeps the rescue environment.
In actual use, when the fire hose 2 is used to supply air to a fire fighter, the fire monitor 4 is also used as a purge gun 5. The firemen can select to use the fire-fighting lance 4 or the blowing lance 5 according to actual conditions. Normally, the fire-fighting lance 4 or the purging lance 5 is provided with the on-off valve 19, and the fire fighter can close the on-off valve 19 according to actual conditions, so that the fire-fighting hose 2 is only applied to air supply of the fire fighter breathing mask 1.
As shown in fig. 1, the quick coupling 8 in this embodiment includes a male end 801 and a female end 802, the female end 802 of the quick coupling 8 is connected to the through hole 6, the quick coupling 8 is a self-sealing quick coupling, and the female end 802 has a self-sealing function, so that when a fire fighter pulls the air duct 7 out of the female end 802 of the quick coupling 3, the female end 802 automatically seals to prevent the quick coupling 3 from leaking air. At the moment, the fire hose 2 can be used for supplying water to extinguish fire, so that the fire hose is multipurpose.
In this embodiment, preferably, the female head 802 of the quick connector 8 is connected to the quick adapter 3 through a distribution pipe 10 with both ends closed, one side of the distribution pipe 10 is connected to the female heads 802 of the quick connectors 8, the other side of the distribution pipe 10 is connected to a connection pipe 11, and the connection pipe 11 is in sealed communication with the through hole 6. By adopting the structure, the air breathing masks 1 can be supplied with air by utilizing one fire hose 2, and long-time rescue activities of a plurality of firefighters can be maintained.
The present embodiment is further provided with a first flow valve 12 at the end of the airway tube 7 connected to the respiratory empty mask 1. The first flow valve 12 can control the flow of the compressed air flowing into the air breathing mask 1, so that the firefighter can breathe more comfortably, and the energy consumption is avoided being wasted. Meanwhile, after the first flow valve 12 is adopted, the air pressure in the fire hose 2 can be properly increased, and an air pressure basis is provided for inflating the high-pressure air storage tank 15 as long as the pressure-bearing range of the fire hose 2 is not exceeded.
The embodiment also comprises a back support 13, and two sides of the back support 13 are respectively connected with a back belt 14 for a fireman to carry on the shoulder. A high-pressure air storage tank 15 is hung on the back support 13, the top end of the high-pressure air storage tank 15 is connected with an exhaust pipe 16, the end part of the exhaust pipe 16 is connected with a female head 802 of the quick connector 8, and a second flow valve 17 is arranged on the exhaust pipe 16. Although the air breathing mask 1 of the firefighter can maintain long-time rescue activities, the activity range of the firefighter is limited by the air duct 7 and the fire hose 2, so that the firefighter can have higher flexibility and maneuverability by carrying the high-pressure air storage tank 15 in actual rescue, as the female head 802 of the quick coupling 8 is also connected to the exhaust pipe 16 of the high-pressure air storage tank 15 and is communicated with the male head 801 of the air duct 7, therefore, the firefighter can pull the air duct 7 off the quick coupling 3 and then is connected to the high-pressure air storage tank 15 when needing to be far away from the quick coupling 3 for rescue activities, and the second flow valve 17 of the high-pressure air storage tank 15 is opened, so that air can be supplied by using the high-pressure air storage tank 15 to rescue.
The present embodiment further provides an inflation hose 18, both ends of the inflation hose 18 are connected to the male connectors 801 of the quick connectors 8, and the inflation hose 18 is used for connecting the quick connectors 3 and the high-pressure air storage tank 15 to inflate the high-pressure air storage tank 15.
After a firefighter carries the high-pressure air storage tank 15 to be far away from the quick change-over joint 3 for rescue activities for a period of time, especially when the air pressure in the high-pressure air storage tank 15 is insufficient, the firefighter can timely return to the quick change-over joint 3, pull the air duct 7 out of the high-pressure air storage tank 15, connect the air duct 7 to the quick change-over joint 3 again, supply air and breathe by using the fire hose 2, then the two ends of the inflating hose 18 can be connected to the high-pressure air storage tank 15 and the quick change-over joint 3 respectively, and the high-pressure air storage tank 15 is inflated by using the fire hose 2. Although the high-pressure air storage tank 15 is inflated by the fire hose 2 to reach the target air pressure, the high-pressure air storage tank can be inflated with air with a certain pressure for the fire fighter to use in emergency.
The working process of the embodiment is as follows: as shown in fig. 1, in the rescue activities with unsafe air quality, such as deep well rescue, toxic gas leakage rescue and the like, a firefighter wears an air breathing mask 1, carries a high-pressure air storage tank 15 on his back, lays a fire hose 2 at the same time, connects an air compressor pump 9 to the rear end of the fire hose 2, supplies compressed air into the fire hose 2 by the air compressor pump 9, and lays the fire hose 2 at a relatively high speed, in this process, the firefighter can connect the air breathing mask 1 to the high-pressure air storage tank 15, breathes by using the high-pressure air storage tank 15, and after the fire hose 2 is laid, the firefighter can connect the air breathing mask 1 to a quick change-over joint 3 at the front end of the fire hose 2, supplies air through the fire hose 2, and then develops the rescue activities.
When the firefighter does not carry the high-pressure air storage tank 15, the firefighter can lay a fire hose 2 outside the rescue area first, and connect quick crossover sub 3 and fire-fighting lance 4 or sweep rifle 5 at the front end of fire hose 2, then will breathe out the face guard 1 with the air and connect on the quick crossover sub 3, the rear personnel can expand many fire hoses 2 outside the rescue area, the firefighter drags first fire hose 2 to go deep into the rescue area is inside, the rear personnel are connected to first fire hose 2 rear end with the fire hose 2 that expandes newly fast, then be connected to the gas outlet of air compression pump 9 with the fire hose 2 that expandes newly, carry out the air feed to the firefighter. So repeatedly, the fire fighter can drag the fire hose 2 all the time to the rescue site.
When interconnect's fire hose 2 quantity is too much, the fire fighter drags when going the difficulty, can adopt quick crossover sub 3 to connect between two adjacent fire hoses 2, can drag water hose 2 by a fire fighter near 3 quick crossover sub of arbitrary one, fire fighter 2 can breathe on quick crossover sub 3 of face guard 1 connection between two adjacent fire hoses 2 with breathing.
In order to ensure that the air can still breathe when the rear end of the fire hose 2 is separated from the air compressor pump 9 by a fire fighter to provide time for the rear staff to connect more fire hoses 2, an on-off valve 19 can be arranged on the quick switching joint 3 between two adjacent fire hoses 2, after the on-off valve 19 on the quick switching joint 3 is closed, a large amount of compressed air can be stored in the fire hose 2 in front of the on-off valve 19 and can be used for the fire fighter to breathe, and the rear staff can have more time to complete the work of increasing the fire hoses 2.
The above embodiments are merely illustrative of the principles and effects of the present invention, and some embodiments in use, and are not intended to limit the invention; it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications belong to the protection scope of the present invention.
Claims (7)
1. Can maintain air feeder of fire fighter air breathing demand for a long time, breathe face guard (1) including an air, its characterized in that still includes fire hose (2), connects quick crossover sub (3) at fire hose (2) front end, and the front end of quick crossover sub (3) is connected with fire-fighting lance (4) or sweeps rifle (5), a through-hole (6) have been seted up on quick crossover sub (3) lateral wall, be connected with an air duct (7) on breathing face guard (1) in the air, the one end that the face guard was breathed in the air was kept away from in air duct (7) is passed through quick-operation joint (8) and is connected with through-hole (6), and fire hose (2) rear end detachably connects on the gas outlet of air compressor pump (9).
2. Air supply device capable of sustaining firefighter's air breathing demand for a long time according to claim 1, wherein the quick coupling (8) comprises a male head (801) and a female head (802), the female head (802) of the quick coupling (8) is butted with the through hole (6), the quick coupling (8) is a self-closing type quick coupling, and the female head (802) has a self-closing function.
3. The air supply device capable of maintaining air breathing demand of firefighters for a long time according to claim 2, wherein the female head (802) of the quick coupling (8) is connected with the quick switching coupling (3) through a distribution pipe (10) with two closed ends, one side of the distribution pipe (10) is connected with the female heads (802) of the quick couplings (8), the other side of the distribution pipe (10) is connected with a connecting pipe (11), and the connecting pipe (11) is in sealed communication with the through hole (6).
4. An air supply device for sustaining firefighter's air breathing demand for a prolonged period of time in accordance with claim 3, wherein the end of the airway tube (7) connected to the exhalation mask (1) is provided with a first flow valve (12).
5. The air supply device capable of maintaining air breathing requirements of firefighters for a long time according to claim 4, further comprising a back support (13), wherein two sides of the back support (13) are respectively connected with a strap (14), a high-pressure air storage tank (15) is suspended on the back support (13), the top end of the high-pressure air storage tank (15) is connected with an exhaust pipe (16), the end part of the exhaust pipe (16) is connected with a female head (802) of the quick connector (8), and the exhaust pipe (16) is provided with a second flow valve (17).
6. The air supply device capable of maintaining air breathing requirements of firefighters for a long time according to claim 5, further comprising an air charging hose (18), wherein the male end (801) of the quick connector (8) is connected to both ends of the air charging hose (18), and the air charging hose (18) is used for connecting the quick connector (3) and the high-pressure air storage tank (15) to charge the high-pressure air storage tank (15).
7. The air supply device capable of maintaining air breathing demand of firemen for a long time according to any one of claims 1 to 6, wherein the fire-fighting lance (4) and the purge lance (5) are both provided with an on-off valve (19).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2022201924609 | 2022-01-24 | ||
| CN202220192460 | 2022-01-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217041125U true CN217041125U (en) | 2022-07-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220681710.5U Active CN217041125U (en) | 2022-01-24 | 2022-03-25 | Air supply device capable of maintaining air breathing requirement of firemen for long time |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217041125U (en) |
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2022
- 2022-03-25 CN CN202220681710.5U patent/CN217041125U/en active Active
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