CN114129923A - Self-feeding compressed air respirator - Google Patents
Self-feeding compressed air respirator Download PDFInfo
- Publication number
- CN114129923A CN114129923A CN202111485770.6A CN202111485770A CN114129923A CN 114129923 A CN114129923 A CN 114129923A CN 202111485770 A CN202111485770 A CN 202111485770A CN 114129923 A CN114129923 A CN 114129923A
- Authority
- CN
- China
- Prior art keywords
- seat
- linkage
- bottle
- support
- self
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B7/00—Respiratory apparatus
- A62B7/02—Respiratory apparatus with compressed oxygen or air
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B9/00—Component parts for respiratory or breathing apparatus
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B9/00—Component parts for respiratory or breathing apparatus
- A62B9/04—Couplings; Supporting frames
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/28—Accessories for delivery devices, e.g. supports
Landscapes
- Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Pulmonology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Emergency Medicine (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention relates to the technical field of security protection, and discloses a self-sufficient compressed air respirator which comprises a full face mask, an air supply valve, a pressure head-up display device, an air bottle, a back support, a pressure reducer, an air bottle valve and a transmitting pressure gauge, wherein the back support is bound on the air bottle and used for fixing the air bottle, the air bottle is connected with an air inlet of the full face mask through a pipeline, the pressure reducer and the air bottle valve are arranged between the air bottle and the pipeline for connection, and the full face mask is provided with the pressure head-up display device used for displaying the air pressure in the air bottle; the back of the back support is fixedly connected with a bracket, and the bracket is connected with an air bottle and a functional bottle through a bottle seat; the support is provided with four movable pipes, the bottoms of the movable pipes are connected with fixed pipes through flexible pipes, the fixed pipes penetrate through the support and extend to the bottom of the support, the fixed pipes are fixedly connected with the support, and a central pipe parallel to the fixed pipes is arranged between the four fixed pipes; the self-contained compressed air respirator has multiple functions, and is convenient for rescue workers to simplify equipment carried by the rescuers.
Description
Technical Field
The invention relates to the technical field of security protection, in particular to a self-contained compressed air respirator.
Background
The air respirator is a self-sufficient open type air respirator, and the air respirator is widely applied to departments such as fire control, chemical engineering, ships, petroleum, smelting, warehouses, laboratories, mines and the like, so that firemen or rescue personnel can safely and effectively extinguish fire, rescue and relief work and rescue work in various environments such as dense smoke, toxic gas, steam or oxygen deficiency; the prior art air respirator has a single function.
Disclosure of Invention
The invention provides a self-contained compressed air respirator, which solves the technical problem of single function of an air respirator in the related technology.
According to one aspect of the invention, a self-contained compressed air respirator is provided, which comprises a back support, wherein a support is fixedly connected to the back of the back support, and an air bottle and a functional bottle are connected to the support through a bottle seat, wherein air is stored in the air bottle in a compressed mode, fire extinguishing agent is stored in the functional bottle, and a first air outlet of the air bottle is connected with an air inlet of a full face mask through a pipeline;
the support is provided with four movable pipes, the bottoms of the movable pipes are connected with fixed pipes through flexible pipes, the flexible pipes are corrugated pipes or rubber pipes, the fixed pipes penetrate through the support and extend to the bottom of the support, the fixed pipes are fixedly connected with the support, a central pipe parallel to the fixed pipes is arranged between the four fixed pipes, the distances between the central pipe and the four fixed pipes are equal, the top of the central pipe is provided with a hollow screw rod coaxial with the central pipe, the top of the hollow screw rod is connected with an upper seat, the center of the upper seat is provided with a through hole communicated with the center of the hollow screw rod, a sliding seat is arranged between the upper seat and the central pipe, the center of the sliding seat is provided with a through hole in clearance fit with the hollow screw rod, the bottom of the sliding seat is provided with a nut rotationally connected with the sliding seat, the nut is in threaded connection with the hollow screw rod, the movable pipes are connected with the central pipe through a first linkage mechanism, and the upper seat is connected with the four movable pipes through second linkage mechanisms respectively;
the first linkage mechanism comprises a first linkage seat arranged on the sliding seat and a second linkage seat sleeved on the movable pipe, a first connecting rod is arranged between the first linkage seat and the second linkage seat, and two ends of the first connecting rod are respectively hinged with the first linkage seat and the second linkage seat through pin shafts;
the second linkage mechanism comprises a third linkage seat arranged on the upper seat and a fourth linkage seat arranged on the movable tube, wherein a second connecting rod is arranged between the third linkage seat and the fourth linkage seat, and two ends of the second connecting rod are respectively hinged with the third linkage seat and the fourth linkage seat through pin shafts;
the upper seat is provided with a turnover seat hinged with the upper seat, a connecting seat matched with the upper end of the movable pipe is arranged between the turnover seat and the upper seat, the connecting seat comprises an upper groove seat arranged at the bottom of the turnover seat and a lower groove seat arranged at the top of the upper seat, and when the turnover seat is turned to a state that the bottom surface of the turnover seat is attached to the upper seat, the upper groove seat and the lower groove seat are combined to form the connecting seat; the turnover seat is connected with the upper seat through a screw;
a channel for communicating the movable pipe with a through hole in the center of the upper seat is arranged in the upper seat;
a first emission head is arranged in a through hole in the center of the upper seat, a second emission head is arranged inside the movable tube, the first emission head and the second emission head are connected through a connecting band, the first emission head is in interference fit with the upper seat, the second emission head is in interference fit with the movable tube, the lower end of the first emission head is connected with one end of a rope, and the other end of the rope is wound on a pay-off wheel arranged on the bracket; the pay-off wheel is arranged at the bottom of the support, a pay-off hole coaxial with the central tube is formed in the support, and a wire guide wheel is arranged on the support at the bottom of the pay-off hole;
the lower end of the movable pipe is respectively connected with the gas outlet of the functional bottle and the second gas outlet of the gas bottle through pipelines.
Furthermore, the lower end of the movable pipe is provided with a tee joint.
Furthermore, the upper groove seat and the lower groove seat are respectively provided with a sealing groove, and when the overturning seat is overturned to the state that the bottom surface is attached to the upper seat, the sealing grooves of the upper groove seat and the lower groove seat are combined to form a sealing ring groove. The movable pipe is provided with a sealing ring which is in interference fit with the sealing ring groove.
Further, the connecting seat is in interference fit with the movable pipe.
The invention has the beneficial effects that:
the self-contained compressed air respirator has multiple functions, is convenient for rescue workers to simplify equipment carried by the rescue workers, is suitable for various occasions such as fire disasters, rescues and the like, and can be switched between functions simply and conveniently.
Drawings
FIG. 1 is a rear view of an air respirator;
FIG. 2 is a front view of the air respirator;
FIG. 3 is a front view of the present invention;
FIG. 4 is a bottom view of the present invention;
FIG. 5 is an assembly schematic of the movable tube, flexible tube, first linkage, and second linkage of the present invention;
FIG. 6 is a cross-sectional view of the upper housing of the present invention;
fig. 7 is a schematic elevational view of the invention with the upper seat removed.
In the figure: the full-face mask 1, an air supply valve 2, a pressure head-up display device 3, an air bottle 4, a back support 5, a pressure reducer 6, an air bottle valve 7, a launching pressure gauge 8, a shoulder strap 9, a bottle seat 10, a fixed frame group 11, a waist cushion 12, a waist belt 13, a hinge 14, an adjusting strap 15, a support 21, a function bottle 22, a movable tube 23, a flexible tube 24, a fixed tube 25, a central tube 26, a hollow screw 27, an upper seat 28, a sliding seat 29, a nut 30, a first linkage seat 31, a second linkage seat 32, a first connecting rod 33, a third linkage seat 34, a fourth linkage seat 35, a second connecting rod 36, a turnover seat 37, an upper groove seat 38, a lower groove seat 39, a sealing groove 40, a channel 41, a first launching head 42, a paying-off wheel 43 and a wire guide wheel 44.
Detailed Description
The subject matter described herein will now be discussed with reference to example embodiments. It should be understood that these embodiments are discussed only to enable those skilled in the art to better understand and thereby implement the subject matter described herein, and are not intended to limit the scope, applicability, or examples set forth in the claims. Changes may be made in the function and arrangement of elements discussed without departing from the scope of the disclosure. Various examples may omit, substitute, or add various procedures or components as needed. In addition, features described with respect to some examples may also be combined in other examples.
In the prior art, the air respirator comprises an air bottle 4 for supplying air, the air bottle 4 is convenient to bear on the back for supplying air to users, and the air respirator is applied to the rescue fields of fire fighting and the like;
as shown in fig. 1 and fig. 2, the air respirator comprises a full face mask 1, an air supply valve 2, a pressure head-up display device 3, an air bottle 4, a back support 5, a pressure reducer 6, an air bottle valve 7 and a transmitting pressure gauge 8, wherein the back support 5 is bound on the air bottle 4 and used for fixing the air bottle 4, the air bottle 4 is connected with an air inlet of the full face mask 1 through a pipeline, the pressure reducer 6 and the air bottle valve 7 are arranged between the air bottle 4 and the pipeline and connected, and the pressure head-up display device 3 used for displaying the air pressure inside the air bottle 4 is arranged on the full face mask 1.
As a pressure head-up display device 3, it detects the pressure inside the gas cylinder 4 by a pressure sensor and indicates the gas pressure by an indicator light;
when the pressure of the gas cylinder 4 is between 30 and 10MPa, the green lamp is normally on; when the pressure of the gas cylinder 4 is 10-6 MPa, the yellow lamp is normally on; when the pressure of the gas cylinder 4 is below 6MPa, the red light is rapidly flashed all the time;
the back support 5, the shoulder straps 9, the bottle seat 10, the fixing frame group 11, the waist pad 12, the waist belt 13, the hinges 14 and the adjusting belts 15 jointly form a back tool, the upper ends of the two shoulder straps 9 are connected with the upper end of the back support 5 through pin shafts, the lower ends of the shoulder straps 9 are connected with the adjusting belts 15, the inner ends of the two adjusting belts 15 are connected with two ends of the waist belt 13, the waist pad 12 is arranged on the rear side of the waist belt 13, the outer ends of the adjusting belts 15 are provided with buckles, the two adjusting belts 15 are connected with each other through the buckles, and the adjusting belts 15 are provided with adjusting buckles for adjusting the width of the adjusting belts 15.
As shown in fig. 3-7, the present invention provides an example of a self-contained compressed air respirator, which comprises a back support 5, wherein a bracket 21 is fixedly connected to the back of the back support 5, an air bottle 4 and a functional bottle 22 are connected to the bracket 21 through a bottle seat 10, wherein air is compressed and stored in the air bottle 4, fire extinguishing agent is stored in the functional bottle 22, and a first air outlet of the air bottle 4 is connected to an air inlet of a full face mask 1 through a pipeline;
four movable pipes 23 are arranged on the bracket 21, the bottoms of the movable pipes 23 are connected with a fixed pipe 25 through a flexible pipe 24, the fixed pipe 25 penetrates through the bracket 21 and extends to the bottom of the bracket 21, the fixed pipe 25 is fixedly connected with the bracket 21, a central pipe 26 which is parallel to the fixed pipe 25 is arranged between the four fixed pipes 25, the distances between the central pipe 26 and the four fixed pipes 25 are equal, a hollow screw 27 which is coaxial with the central pipe 26 is arranged at the top of the central pipe 26, an upper seat 28 is connected with the top of the hollow screw 27, a through hole which is communicated with the center of the hollow screw 27 is arranged at the center of the upper seat 28,
a sliding seat 29 is arranged between the upper seat 28 and the central tube 26, a through hole in clearance fit with the hollow screw 27 is arranged in the center of the sliding seat 29, a nut 30 in rotary connection with the sliding seat 29 is arranged at the bottom of the sliding seat 29, the nut 30 is in threaded connection with the hollow screw 27, the movable tube 23 is connected with the central tube 26 through a first linkage mechanism, and the upper seat 28 and the four movable tubes 23 are respectively connected through a second linkage mechanism;
the first linkage mechanism comprises a first linkage seat 31 arranged on the sliding seat 29 and a second linkage seat 32 sleeved on the movable pipe 23, a first connecting rod 33 is arranged between the first linkage seat 31 and the second linkage seat 32, and two ends of the first connecting rod 33 are respectively hinged with the first linkage seat 31 and the second linkage seat 32 through pin shafts;
the second linkage mechanism comprises a third linkage seat 34 arranged on the upper seat 28 and a fourth linkage seat 35 arranged on the movable tube 23, wherein a second connecting rod 36 is arranged between the third linkage seat 34 and the fourth linkage seat 35, and two ends of the second connecting rod 36 are respectively hinged with the third linkage seat 34 and the fourth linkage seat 35 through pin shafts;
the upper seat 28 is provided with a turning seat 37 hinged with the upper seat, a connecting seat matched with the upper end of the movable pipe 23 is arranged between the turning seat 37 and the upper seat 28, the connecting seat comprises an upper groove seat 38 arranged at the bottom of the turning seat 37 and a lower groove seat 39 arranged at the top of the upper seat 28, when the turning seat 37 is turned to a state that the bottom surface is attached to the upper seat 28, the upper groove seat 38 and the lower groove seat 39 are combined to form a connecting seat, the upper groove seat 38 and the lower groove seat 39 are both provided with sealing grooves 40, and when the turning seat 37 is turned to a state that the bottom surface is attached to the upper seat 28, the sealing grooves 40 of the upper groove seat 38 and the lower groove seat 39 are combined to form a sealing ring groove; the movable pipe 23 is provided with a sealing ring which is in interference fit with the sealing ring groove;
a channel 41 for communicating the movable pipe 23 with a through hole in the center of the upper seat 28 is arranged in the upper seat 28;
a first emitting head 42 is arranged in a through hole in the center of the upper seat 28, a second emitting head is arranged inside the movable tube 23, the first emitting head 42 is connected with the second emitting head through a connecting belt, the lower end of the first emitting head 42 is connected with one end of a rope, and the other end of the rope is wound on a paying-off wheel 43 arranged on the support 21.
The lower end of the movable tube 23 is respectively connected with the air outlet of the functional bottle 22 and the second air outlet of the air bottle 4 through pipelines.
The self-contained compressed air respirator in the above described embodiments of the invention has three operating states:
firstly, a valve on a pipeline of the gas bottle 4 connected with the full face mask 1 is opened to supply oxygen to users.
Secondly, the second emitting head is plugged into the movable pipe 23, a valve of the gas cylinder 4 connected with the movable pipe 23 is opened, high-pressure gas is introduced into the movable pipe 23, the second emitting head is pushed out through air pressure to emit, then the second emitting head drives the first emitting head 42 to emit, and the first emitting head 42 carries a rope to fly out to rescue remote personnel.
Pulling out the first emission head 42 and the second emission head, overturning the overturning seat 37 to separate the overturning seat 37 from the upper seat 28, driving the sliding seat 29 to ascend along the hollow screw 27 through the rotating nut 30, then pushing the movable tube 23 to rotate through the first connecting rod 33, enabling the upper end of the movable tube 23 to move towards the middle through the cooperation of the first linkage mechanism and the second linkage mechanism to be embedded into the lower groove seat 39 of the upper seat 28, then overturning the overturning seat 37 to enable the overturning seat 37 to be attached to the upper seat 28, opening a valve of the functional bottle 22 connected with the movable tube 23, and spraying the fire extinguishing agent in the functional bottle 22 from the through hole in the center of the upper seat 28 through the movable tube 23 and the channel 41 in the upper seat 28 to perform fire extinguishing work.
In embodiments of the present invention, the fire extinguishing agent may be selected from, but not limited to, foam fire extinguishing agents, dry powder fire extinguishing agents, gaseous fire extinguishing agents.
In an embodiment of the present invention, the flexible tube 24 may be selected from, but not limited to, a bellows tube, a rubber tube.
In the embodiment of the present invention, the connecting seat is in interference fit with the movable tube 23 or in clearance fit with the movable tube 23, and when the connecting seat is in clearance fit with the movable tube 23, a sealing gasket is arranged on the inner wall of the connecting seat.
In the embodiment of the present invention, the lower end of the movable tube 23 is provided with a tee joint for facilitating the connection of the functional bottle 22 and the gas bottle 4, respectively.
In an embodiment of the invention, the first emitter head 42 is further connected to a rescue device, such as a compressed life buoy or the like, by a connection strap.
In the embodiment of the present invention, the turning seat 37 is connected to the upper seat 28 by screws. The inverted base 37 can be fixed by screws after being attached to the upper base 28.
In one embodiment of the invention, the payout roller 43 is disposed at the bottom of the support frame 21, the support frame 21 is provided with a payout hole coaxial with the center tube 26, and the support frame 21 at the bottom of the payout hole is provided with a wire guide roller 44. The cable on the payout roller 43 passes around the wire guide roller 44 and then out of the payout hole and is then connected to the first emitter head 42.
In one embodiment of the invention, the first emitter head 42 is an interference fit with the upper housing 28 and the second emitter head is an interference fit with the moveable tube 23.
The rotary connection between the nut 30 and the slide 29 is a bearing connection between the nut 30 and the slide 29.
The embodiments of the present invention have been described with reference to the drawings, but the present invention is not limited to the above-mentioned specific embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention and the protection scope of the claims.
Claims (10)
1. A self-contained compressed air respirator is characterized by comprising a back support, wherein the back surface of the back support is fixedly connected with a support, the support is connected with an air bottle and a functional bottle through a bottle seat, air is compressed and stored in the air bottle, a fire extinguishing agent is stored in the functional bottle, and a first air outlet of the air bottle is connected with an air inlet of a full face mask through a pipeline;
the support is provided with four movable pipes, the bottoms of the movable pipes are connected with fixed pipes through flexible pipes, the fixed pipes penetrate through the support and extend to the bottom of the support, the fixed pipes are fixedly connected with the support, a central pipe which is parallel to the fixed pipes is arranged among the four fixed pipes, the distance between the central pipe and the four fixed pipes is equal, the top of the central pipe is provided with a hollow screw which is coaxial with the central pipe, the top of the hollow screw is connected with an upper seat, the center of the upper seat is provided with a through hole which is communicated with the center of the hollow screw, a sliding seat is arranged between the upper seat and the central pipe, the center of the sliding seat is provided with a through hole which is in clearance fit with the hollow screw, the bottom of the sliding seat is provided with a nut which is rotatably connected with the sliding seat, the nut is in threaded connection with the hollow screw, the movable pipes are connected with the central pipe through a first linkage mechanism, and the upper seat is connected with the four movable pipes through second linkage mechanisms respectively;
the first linkage mechanism comprises a first linkage seat arranged on the sliding seat and a second linkage seat sleeved on the movable pipe, a first connecting rod is arranged between the first linkage seat and the second linkage seat, and two ends of the first connecting rod are respectively hinged with the first linkage seat and the second linkage seat through pin shafts;
the second linkage mechanism comprises a third linkage seat arranged on the upper seat and a fourth linkage seat arranged on the movable tube, wherein a second connecting rod is arranged between the third linkage seat and the fourth linkage seat, and two ends of the second connecting rod are respectively hinged with the third linkage seat and the fourth linkage seat through pin shafts;
the upper seat is provided with a turnover seat hinged with the upper seat, a connecting seat matched with the upper end of the movable pipe is arranged between the turnover seat and the upper seat, the connecting seat comprises an upper groove seat arranged at the bottom of the turnover seat and a lower groove seat arranged at the top of the upper seat, and when the turnover seat is turned to a state that the bottom surface of the turnover seat is attached to the upper seat, the upper groove seat and the lower groove seat are combined to form the connecting seat;
a channel for communicating the movable pipe with a through hole in the center of the upper seat is arranged in the upper seat;
a first emitting head is arranged in a through hole in the center of the upper seat, a second emitting head is arranged inside the movable tube, the first emitting head and the second emitting head are connected through a connecting band, the lower end of the first emitting head is connected with one end of a rope, and the other end of the rope is wound on a pay-off wheel arranged on the support;
the lower end of the movable pipe is respectively connected with the gas outlet of the functional bottle and the second gas outlet of the gas bottle through pipelines.
2. The self-contained compressed air respirator of claim 1, wherein the flexible tube is a bellows or rubber tube.
3. The self-contained compressed air respirator of claim 1, wherein the lower end of the movable tube is provided with a tee.
4. The self-contained compressed air respirator of claim 1, wherein the flip seat is screwed to the upper seat.
5. The self-contained compressed air respirator of claim 1, wherein the payout wheel is located at the bottom of the frame, and wherein the frame has a payout hole that is coaxial with the central tube.
6. The self-contained compressed air respirator of claim 5, wherein the wire guide wheels are provided on the support at the bottom of the wire discharge holes.
7. The self-contained compressed air respirator of claim 1, wherein the first emitter head is an interference fit with the upper seat and the second emitter head is an interference fit with the moveable tube.
8. The self-contained compressed air respirator of claim 1, wherein the upper and lower seat members each have a sealing groove therein, and wherein the sealing grooves of the upper and lower seat members combine to form a sealing ring groove when the flip seat is flipped over to a position in which the bottom surface of the flip seat engages the upper seat member.
9. The self-contained compressed air respirator of claim 8, wherein the moveable tube comprises a sealing ring that is an interference fit with the sealing ring groove.
10. The self-contained compressed air respirator of claim 1, wherein the connecting base is an interference fit with the moveable tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111485770.6A CN114129923B (en) | 2021-12-07 | 2021-12-07 | Self-feeding compressed air respirator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111485770.6A CN114129923B (en) | 2021-12-07 | 2021-12-07 | Self-feeding compressed air respirator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114129923A true CN114129923A (en) | 2022-03-04 |
| CN114129923B CN114129923B (en) | 2022-07-29 |
Family
ID=80384801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111485770.6A Active CN114129923B (en) | 2021-12-07 | 2021-12-07 | Self-feeding compressed air respirator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114129923B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07190691A (en) * | 1993-12-27 | 1995-07-28 | Hideo Horie | Survival cable launcher |
| CN202161712U (en) * | 2011-07-28 | 2012-03-14 | 王丛前 | Multifunctional individual-soldier portable rescuing and fire-extinguishing apparatus |
| CN202609055U (en) * | 2012-05-17 | 2012-12-19 | 九江消防装备有限公司 | Lifesaving throwing device |
| CN110686570A (en) * | 2019-11-11 | 2020-01-14 | 九江市浩川消防装备有限公司 | Throwing device with adjustable throwing distance and using method thereof |
| CN211752014U (en) * | 2019-12-02 | 2020-10-27 | 克拉玛依市三达新技术股份有限公司 | Multifunctional backpack fire extinguishing device |
-
2021
- 2021-12-07 CN CN202111485770.6A patent/CN114129923B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07190691A (en) * | 1993-12-27 | 1995-07-28 | Hideo Horie | Survival cable launcher |
| CN202161712U (en) * | 2011-07-28 | 2012-03-14 | 王丛前 | Multifunctional individual-soldier portable rescuing and fire-extinguishing apparatus |
| CN202609055U (en) * | 2012-05-17 | 2012-12-19 | 九江消防装备有限公司 | Lifesaving throwing device |
| CN110686570A (en) * | 2019-11-11 | 2020-01-14 | 九江市浩川消防装备有限公司 | Throwing device with adjustable throwing distance and using method thereof |
| CN211752014U (en) * | 2019-12-02 | 2020-10-27 | 克拉玛依市三达新技术股份有限公司 | Multifunctional backpack fire extinguishing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114129923B (en) | 2022-07-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2440239C (en) | Air and water hose apparatus for firefighters | |
| US20090260839A1 (en) | Fire Extinguisher | |
| US3995626A (en) | Connector device for breathing apparatus | |
| JP2013519496A (en) | Articulated firefighter respirator | |
| JPS58500393A (en) | Lifesaving systems and methods of supplying fresh air to confined spaces | |
| US20060005880A1 (en) | Air and water hose apparatus for firefighters | |
| CN114129923B (en) | Self-feeding compressed air respirator | |
| US20140076996A1 (en) | Spray gun and portable mist-generating apparatus | |
| GB2430159A (en) | Breathing apparatus with inflatable harness | |
| US5000174A (en) | Positive pressure breathing assembly and demand regulator therefor | |
| WO2012046010A1 (en) | Spray gun and portable mist-generating apparatus | |
| CN107823818A (en) | A kind of brace is portable to communicate extinguishing device | |
| JP3944236B2 (en) | Fire extinguisher | |
| KR200483699Y1 (en) | Portable Breathing Device for Location Tracking | |
| KR20200117001A (en) | Ventilable gas and water hose device | |
| CN202028061U (en) | Positive-pressure type firefighting air respirator | |
| JP2020127815A (en) | Back pack tool | |
| EP1273321A3 (en) | Device for fire fighting with pressurised air foam | |
| KR20050092997A (en) | Respirator for emergency | |
| CN220572567U (en) | Backpack high-pressure water mist fire extinguisher | |
| CN213516364U (en) | Respirator check out test set | |
| JP2521543Y2 (en) | Constant flow valve for intake gas supply | |
| CN217391449U (en) | Fire extinguishing apparatus for fire engineering | |
| CN218739919U (en) | Disconnect-type air supply respiratory device, fire helmet and rescue equipment | |
| CN219579770U (en) | Class D fire extinguisher |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |