CN222427026U - Isolated type respiratory protection device - Google Patents
Isolated type respiratory protection device Download PDFInfo
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- CN222427026U CN222427026U CN202421123186.5U CN202421123186U CN222427026U CN 222427026 U CN222427026 U CN 222427026U CN 202421123186 U CN202421123186 U CN 202421123186U CN 222427026 U CN222427026 U CN 222427026U
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- protection device
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Abstract
The utility model discloses an isolated respiratory protection device, which comprises an inner layer cover and an outer layer cover, wherein the outer layer cover is arranged outside the inner layer cover in a sealing way, an air storage cavity is formed by an interlayer between the inner layer cover and the outer layer cover, a carbon dioxide absorbent box is arranged on the inner layer cover and is communicated with an inner cavity of the inner layer cover and the air storage cavity, openings for part or all of a body to enter the inner layer cover are arranged on the inner layer cover and the outer layer cover, and a sealing device capable of sealing the openings is arranged at the openings. The user establishes isolated breathing cycle through the gas circuit logic cycle reciprocation between the inner cover and the gas storage cavity, can guarantee that the user does not breathe external gas any more in a certain time, and provides breathing protection guarantee for escape of the user.
Description
Technical Field
The utility model relates to the field of fire protection, in particular to an isolated type respiratory protection device.
Background
The respiratory protection device is used as a fire-fighting equipment, and is used for firefighters or rescue workers to safely and effectively extinguish fire, rescue and relief work and the like under various environments such as dense smoke, toxic gas, steam or oxygen deficiency and the like, and provides respiratory protection for the personnel trapped in the scene to avoid invasion, so that the personnel can safely escape from the trapped environment.
Most of the existing respiratory protection devices are in the form of fire-fighting respiratory protection masks, and the fire-fighting respiratory protection masks mostly adopt filtering type. When a user wears the filtering face mask, the outside air is firstly inhaled into the filtering device for filtering during inhalation, then enters the face mask for inhalation by the user, and the exhaled air is directly discharged out of the face mask during exhalation. Although the open type respiratory mask can filter the outside air to a certain extent, when the outside environment is complex, the filtering device is difficult to completely filter the outside harmful gas, so that the harm of the harmful gas in the outside environment to trapped people is difficult to be avoided, and the trapped environment is inconvenient to safely escape.
Disclosure of utility model
The present utility model addresses the above-mentioned shortcomings of the prior art by providing an insulated respiratory protection device.
The utility model solves the technical problems by adopting the technical scheme that the isolated respiratory protection device comprises an inner layer cover and an outer layer cover which is arranged outside the inner layer cover in a sealing way, an interlayer between the inner layer cover and the outer layer cover forms a gas storage cavity, a carbon dioxide absorbent box is arranged on the inner layer cover and is communicated with an inner cavity of the inner layer cover and the gas storage cavity, openings which can be used for part or all of a body to enter the inner layer cover are arranged on the inner layer cover and the outer layer cover, and a sealing device which can seal the openings is arranged at the openings.
In the isolated respiratory protection device, the protection device further comprises oxygen supply equipment arranged in the inner layer cover or the outer layer cover or oxygen supply equipment arranged outside the outer layer cover, and an air supply nozzle of the oxygen supply equipment stretches into the air storage cavity.
In the isolated respiratory protection device, the inner layer cover is an inner hood for accommodating the head, the outer layer cover is an outer hood which is arranged outside the inner hood in a sealing way, the sealing device is a neck sealing sheath which is arranged at the bottom of the inner hood in a sealing way, and the opening is a neck hole which is arranged in the middle of the neck sealing sheath and can be used for the neck to pass through in a sealing way and extend in.
In the isolated respiratory protection device, the oxygen supply equipment is an annular high-pressure oxygen storage bottle arranged in the outer hood or the inner hood, a first end of the annular high-pressure oxygen storage bottle is sealed, and a second end of the annular high-pressure oxygen storage bottle is provided with a control switch and the air supply nozzle.
In the isolated respiratory protection device, the protection device further comprises an annular sheath sleeved outside the annular high-pressure oxygen storage bottle, the bottom end of the inner hood is fixedly connected with the outer side of the arc-shaped sheath after outwards turning around the bottom of the annular sheath from the inner side of the annular sheath, and the bottom end of the outer hood is fixedly connected with the bottom or the inner side of the annular sheath after inwards turning around the bottom of the annular sheath from the outer side of the annular sheath.
In the isolated respiratory protection device, the air supply nozzle is provided with an air supply hose which is connected and communicated with the air supply nozzle, the air supply hose is positioned in the air storage cavity, the position of the outer head cover corresponding to the air supply hose is provided with an oxygen inhalation hole which can extend out of the air supply hose, and the outer head cover is also provided with an easy-tearing cover which is adhered with the outer head cover and is used for sealing and covering the oxygen inhalation hole.
In the isolated respiratory protection device, the inner hood is made of elastic non-breathable flame-retardant material, the outer hood is made of heat-insulating flame-retardant material, and anti-fog lenses are arranged at the positions of eyes on the outer hood and the inner hood.
In the isolated respiratory protection device, the neck sealing sheath is a disc-shaped neck sealing sheath made of flame-retardant elastic material.
In the isolated type respiratory protection device, a first elastic damping module is fixedly arranged on the outer side surface of the top of the inner hood;
and/or the inner side surface of the top of the outer hood is fixedly provided with a second elastic damping module;
and/or the top outer side surface of the outer hood is fixedly provided with a third elastic damping module.
In the isolated respiratory protection device, an overpressure exhaust valve is arranged at the mouth part of the outer head cover and is communicated with the gas storage cavity;
The mouth positions of the inner hood and the outer hood are also provided with megaphone which penetrates through the inner side of the inner hood from the outer side of the outer hood in a sealing way, and the inner side of the megaphone is provided with a horn-shaped radio hood.
The isolated breathing protective device has the advantages that when the isolated breathing protective device is used, a user can extend part or all of the body containing the head into the inner layer cover from the opening, put the protective device on the body, cover the part or all of the body containing the head, and then seal the opening through the sealing device to prevent harmful gas from entering the protective device from the opening. When the user exhales, the exhaled gas can enter the gas storage cavity of the interlayer of the inner cover and the outer cover only through the carbon dioxide absorbent box, and the process can absorb and remove the carbon dioxide exhaled by the population. When a user inhales, the gas temporarily stored in the interlayer gas storage cavity of the inner cover and the outer cover is inhaled, and the inhaled gas of the user can enter the inner cover for the user to inhale through the carbon dioxide absorbent box. The user establishes the isolated breathing cycle according to the gas circuit logic cycle, can ensure that the user does not breathe the external gas any more in a certain time, avoids the damage of harmful gas in the external environment to the human, and provides breathing protection guarantee for escape of the user.
Drawings
The utility model will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic view of a first exploded construction of an insulated breathing protective device according to the present invention;
FIG. 2 is a schematic view of a second exploded structure of the insulated breathing apparatus of the present invention;
Fig. 3 is a schematic structural view of an insulated breathing protective device according to the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the embodiments of the present utility model will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1-3, in a first embodiment of the insulated breathing protective device according to the present utility model, the protective device 10 includes an inner cover 11, an outer cover 12 sealed and covered outside the inner cover 11, an air storage chamber is formed by an interlayer between the inner cover 11 and the outer cover 12, a carbon dioxide absorbent box 15 is disposed on the inner cover 11, the carbon dioxide absorbent box 15 communicates with an inner cavity of the inner cover 11 and the air storage chamber, openings (not shown) for allowing part or all of a body to enter the inner cover 11 are disposed on the inner cover 11 and the outer cover 12, and a sealing device (not shown) capable of sealing the openings is disposed at the openings.
In one embodiment, the protective device 10 is in the form of a body-mountable firefighter uniform with the gas storage chamber storing a relatively large volume of gas for a relatively long period of time for insulation protection. The opening is an opening for the protective device 10 to be worn on the body of a user, and the sealing device may be a sealing zipper, sealing adhesive, sealing magnetic strip, or the like for sealing the opening.
When the isolated breathing protective device is used, a user can extend part or all of the body containing the head into the inner cover 11 from the opening, put the protective device 10 on the body, cover the part or all of the body containing the head, and then seal the opening through the sealing device to prevent harmful gas from entering the protective device 10 from the opening. When the user exhales, the exhaled gas can enter the gas storage cavity of the interlayer of the inner cover and the outer cover only through the carbon dioxide absorbent box 15, and the process can absorb and remove the carbon dioxide exhaled by the population. When the user inhales, the gas temporarily stored in the interlayer gas storage cavity of the inner and outer covers is inhaled, and the gas inhaled by the user can enter the inner cover 11 through the carbon dioxide absorbent box 15 for inhalation by the user, so that the proportion of carbon dioxide in the gas inhaled by the user is further controlled. The user establishes the isolated breathing cycle according to the gas circuit logic cycle, can ensure that the user does not breathe the external gas any more in a certain time, avoids the damage of harmful gas in the external environment to the human, and provides breathing protection guarantee for escape of the user.
To facilitate the user to wear and use the protection device 10 for a longer time, the protection device 10 further includes an oxygen supply device disposed in the inner cover 11 or the outer cover 12 or an oxygen supply device disposed outside the outer cover 12, and an air supply nozzle 17 of the oxygen supply device extends into the air storage chamber.
In this embodiment, the protection device 10 is a protection device in the shape of a hood, the inner layer hood 11 is an inner hood 11 for accommodating a head, the outer layer hood 12 is a sealing hood 12 arranged outside the inner hood 11, the sealing device is a neck sealing sheath 13 arranged at the bottom of the inner hood 11 in a sealing manner, the interlayer between the inner hood 11 and the outer hood 12 forms a gas storage cavity, and the opening is a neck hole 14 arranged in the middle of the neck sealing sheath 13 and through which a neck can pass in a sealing manner.
The inner hood 11 is provided with a carbon dioxide absorbent box 15, and the carbon dioxide absorbent box 15 is communicated with the inner cavity of the inner hood 11 and the air storage cavity.
Preferably, the number of the carbon dioxide absorbent boxes 15 is at least two, the carbon dioxide absorbent boxes 15 are fixedly arranged on the outer side of the top of the inner hood 11, a plurality of air inlets are arranged on the inner side surface and the outer side surface of the carbon dioxide absorbent boxes 15, the air inlets on the inner side surface are positioned in the inner cavity of the inner hood 11, and the air inlets on the outer side surface are positioned in the air storage cavity.
It will be appreciated that the outer head cover 12 is formed of a fire-retardant material and the inner head cover 11 is formed of an elastomeric material that is impermeable to air. The purpose of the elastic material of the inner hood 11 is to better fit the head shapes of different users, so that no dead space exists in the inner hood 11, and the accumulation of gas exhaled by the user in the inner hood 11 is avoided, so that carbon dioxide cannot be neutralized and absorbed.
The neck sealing sheath 13 is made of an elastic material in order to prevent external air from entering the inner head cover 11 from the gap between the neck hole 14 and the neck. After the head is inserted from the neck hole 14 into the inner head cover 11, the peripheral edge of the neck hole 14 is abutted against the neck of the user by its own elastic restoring force, thereby preventing the outside air from entering the inner head cover 11 from the gap between the neck hole 14 and the neck.
It will also be appreciated that the outer head cover 12 and the inner head cover 11 are both of a spherical design, with the inner cavity volume of the outer head cover 12 being greater or substantially greater than the inner cavity volume of the inner head cover 11 so that more air is stored within the air storage cavity.
To facilitate the user's wearing and use of the protective device 10 for a longer period of time, the carbon dioxide absorbent cartridge 15 contains an oxygen generating agent that absorbs carbon dioxide and generates oxygen.
In one embodiment, the oxygen generator is potassium superoxide, which absorbs carbon dioxide and generates oxygen, and has the following reaction formula:
4KO2+2CO2＝2K2CO3+3O2
When the protective device of the embodiment is used, a user stretches the head into the inner hood from the position of the neck hole 14 when wearing the protective device, and the neck sealing sheath 13 is tightly attached to the neck of the user and forms a seal to prevent harmful gas from entering the interior of the hood from the position. When the user exhales, the exhaled air can enter the air storage cavity of the interlayer of the inner and outer hoods 12 through the carbon dioxide absorbent box 15, and the process can absorb and remove the carbon dioxide exhaled by the population. When the user inhales, the gas temporarily stored in the interlayer gas storage cavity of the inner and outer hoods 12 is inhaled, and the gas inhaled by the user can enter the inner hood 11 through the carbon dioxide absorbent box 15 for inhalation by the user, so that the proportion of carbon dioxide in the gas inhaled by the user is further controlled. The user establishes the isolated breathing cycle according to the gas circuit logic cycle, can ensure that the user does not breathe the external gas any more in a certain time, avoids the damage of harmful gas in the external environment to the human, and provides breathing protection guarantee for escape of the user.
Further, the protection device 10 further comprises an oxygen supply device disposed at the bottom of the inner hood 11 or the outer hood 12.
It will be appreciated that an oxygen generating agent, preferably chlorate, is provided within the oxygen supply device.
It will also be appreciated that the oxygen supply device is an oxygen storage bottle 16, and the oxygen storage bottle 16 may be externally arranged outside the inner hood 11 and the outer hood 12, and oxygen is delivered into the air storage cavity through an oxygen delivery pipe and an air supply nozzle 17.
Preferably, the oxygen storage bottle 16 is provided with a one-way air supply negative pressure switch communicated with the air supply nozzle 17, and when a user inhales, the negative pressure switch is started and supplies oxygen. When the user exhales, the negative pressure switch is closed.
In this embodiment, the oxygen supply device is an annular high-pressure oxygen storage bottle 16, a first end of the annular high-pressure oxygen storage bottle 16 is sealed, and a second end of the annular high-pressure oxygen storage bottle 16 is provided with a control switch 20 and the air supply nozzle 17. In use, the head is passed from the neck opening 14 into the inner hood 11, and when the user's head is resting against the control switch 20, the control switch 20 is triggered to open.
For portability, the oxygen supply apparatus is provided as an annular high pressure oxygen storage bottle 16, the annular high pressure oxygen storage bottle 16 encircling the neck periphery when the protective device 10 is worn.
Specifically, as shown in fig. 2, to facilitate the installation and sealing of the annular high-pressure oxygen storage bottle 16, the protection device 10 further includes an annular sheath 18 sleeved outside the annular high-pressure oxygen storage bottle 16, the bottom end of the inner hood 11 is fixedly connected with the outer side of the arc-shaped sheath after being turned outwards around the bottom of the annular sheath 18 from the inner side of the annular sheath 18, and the bottom end of the outer hood 12 is fixedly connected with the bottom or the inner side of the annular sheath 18 after being turned inwards around the bottom of the annular sheath 18 from the outer side of the annular sheath 18.
During assembly, the annular sheath 18 is wrapped around the annular high-pressure oxygen storage bottle 16, the bottom end of the inner hood 11 is fixedly bonded with the outer side of the arc-shaped sheath after outwards turned around the bottom of the annular sheath 18 from the inner side of the annular sheath 18, and the bottom end of the outer hood 12 is fixedly bonded with the bottom or the inner side of the annular sheath 18 after inwards turned around the bottom of the annular sheath 18 from the outer side of the annular sheath 18, so that the inner hood 11, the outer hood 12, the outer side of the high-pressure oxygen storage bottle 16 and the annular sheath 18 can be in sealing and fixed connection.
Further, the air supply nozzle 17 is provided with an air supply hose 19 connected and communicated with the air supply nozzle 17, the air supply hose 19 is positioned in the air storage cavity, an oxygen inhalation hole which can be extended by the air supply hose 19 is arranged on the outer hood 12 at a position corresponding to the air supply hose 19, and an easy-tearing cover 21 which is adhered to the outer hood 12 and used for sealing and covering the oxygen inhalation hole is also arranged on the outer hood 12.
When the user is uncomfortable, the easily torn cover 21 can be torn off, the air supply hose 19 is pulled out from the oxygen inhalation hole to enable the user to inhale oxygen independently, the oxygen content of the body is maintained, and guarantee is provided for urgent medical treatment.
Preferably, the inner head cover 11 is an inner head cover 11 made of elastic non-breathable flame-retardant material, the outer head cover 12 is an outer head cover 12 made of heat-insulating flame-retardant material, and anti-fog lenses 22 are arranged at the positions of eyes on the outer head cover 12 and the inner head cover 11. The neck sealing sheath 13 is a disc-shaped neck sealing sheath 13 made of flame-retardant elastic material.
Further, a first elastic damping module 23 is fixedly arranged on the top outer side surface of the inner hood 11.
And/or, a second elastic damping module is fixedly arranged on the inner side surface of the top of the outer head cover 12.
And/or, a third elastic damping module is fixedly arranged on the outer side surface of the top of the outer head cover 12.
By providing the first elastic shock absorbing module 23 on the top of the inner head cover 11 or providing the second elastic shock absorbing module or the third elastic shock absorbing module on the top of the outer head cover 12, the elastic shock absorbing module can slow down the impact of the head to a certain extent when the head top is impacted, thereby protecting the head.
Further, an overpressure vent valve 24 is arranged at the mouth position of the outer head cover 12, and the overpressure vent valve 24 is communicated with the gas storage cavity. When the air pressure in the inner hood 11 or the air storage cavity is high, the overpressure exhaust valve 24 can be opened to control the one-way exhaust of the air in the inner hood 11 or the air storage cavity.
In order to facilitate the communication between the user and the outside, the mouth positions of the inner hood 11 and the outer hood 12 are further provided with megaphone 25, the megaphone 25 penetrates through the inner side of the inner hood 11 from the outer side of the outer hood 12 in a sealing manner, and the inner side of the megaphone 25 is provided with a horn-shaped radio hood.
When in use, the megaphone 25 can amplify the sound emitted by the mouth of the user and then spread the sound outwards, thereby bringing convenience to the user to communicate with the outside.
In addition, in the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "stacked," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, directly connected, indirectly connected through an intermediate medium, or may be in communication with each other between two elements or in an interaction relationship between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (10)
1. The utility model provides an isolated type respiratory protection device, its characterized in that, protector includes inlayer cover, sealed cowling are located inlayer cover outside outer cover, intermediate layer between inlayer cover and the outer cover forms the gas storage chamber, be equipped with carbon dioxide absorbent box on the inlayer cover, carbon dioxide absorbent box intercommunication inlayer cover's inner chamber with the gas storage chamber, inlayer cover and outer cover are equipped with and can supply part or whole health to get into the opening in the inlayer cover, the opening part is equipped with can seal open-ended sealing device.
2. The isolated breath protection device according to claim 1, further comprising an oxygen supply device disposed within the inner or outer housing or an oxygen supply device disposed outside the outer housing, wherein an air supply nozzle of the oxygen supply device extends into the air storage cavity.
3. The isolated breath protection device according to claim 2, wherein the inner cover is an inner cover for accommodating a head, the outer cover is an outer cover for sealing the outside of the inner cover, the sealing device is a neck sealing sheath for sealing the bottom of the inner cover, and the opening is a neck hole provided in the middle of the neck sealing sheath for allowing a neck to pass through and extend into.
4. The isolated breath protection device according to claim 3, wherein the oxygen supply device is an annular high pressure oxygen storage bottle disposed in the outer or inner head cover, a first end of the annular high pressure oxygen storage bottle is sealed, and a second end of the annular high pressure oxygen storage bottle is provided with a control switch and the air supply nozzle.
5. The isolated breathing protective device according to claim 4, further comprising an annular sheath sleeved outside the annular high-pressure oxygen storage bottle, wherein the bottom end of the inner hood is fixedly connected with the outer side of the annular sheath after being turned outwards around the bottom of the annular sheath from the inner side of the annular sheath, and the bottom end of the outer hood is fixedly connected with the bottom or the inner side of the annular sheath after being turned inwards around the bottom of the annular sheath from the outer side of the annular sheath.
6. The isolated breath protection device according to claim 4, wherein the air supply nozzle is provided with an air supply hose connected and communicated with the air supply nozzle, the air supply hose is positioned in the air storage cavity, the outer hood is provided with an oxygen inhalation hole which can extend out of the air supply hose at a position corresponding to the air supply hose, and the outer hood is further provided with an easy-tearing cover which is adhered to the outer hood and used for sealing the oxygen inhalation hole.
7. The isolated breath protection device according to claim 3, wherein the inner head cover is an inner head cover made of an elastic non-breathable flame retardant material, the outer head cover is an outer head cover made of a heat insulating flame retardant material, and anti-fog lenses are provided at the eye positions on the outer head cover and the inner head cover.
8. The insulated breathing protective device of claim 3 wherein the neck sealing sheath is a disc-shaped neck sealing sheath of flame retardant elastomeric material.
9. The isolated breath protection device according to claim 3, wherein a first elastic shock absorbing module is fixedly provided on the top exterior side of the inner hood;
and/or the inner side surface of the top of the outer hood is fixedly provided with a second elastic damping module;
and/or the top outer side surface of the outer hood is fixedly provided with a third elastic damping module.
10. The isolated breath protection device according to claim 3, wherein an overpressure vent valve is provided at a mouth position of the outer headgear, the overpressure vent valve being in communication with the gas storage chamber;
The mouth position department of interior hood and outer hood still is equipped with the megaphone, the megaphone is followed the outside seal of outer hood runs through to the inboard of interior hood, the inboard of megaphone is equipped with loudspeaker form radio cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421123186.5U CN222427026U (en) | 2024-05-21 | 2024-05-21 | Isolated type respiratory protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421123186.5U CN222427026U (en) | 2024-05-21 | 2024-05-21 | Isolated type respiratory protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222427026U true CN222427026U (en) | 2025-02-07 |
Family
ID=94400253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421123186.5U Active CN222427026U (en) | 2024-05-21 | 2024-05-21 | Isolated type respiratory protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222427026U (en) |
-
2024
- 2024-05-21 CN CN202421123186.5U patent/CN222427026U/en active Active
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