CN211705652U - Self-rescue respirator shell - Google Patents
Self-rescue respirator shell Download PDFInfo
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- CN211705652U CN211705652U CN202020143531.7U CN202020143531U CN211705652U CN 211705652 U CN211705652 U CN 211705652U CN 202020143531 U CN202020143531 U CN 202020143531U CN 211705652 U CN211705652 U CN 211705652U
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- rescue respirator
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Abstract
The utility model discloses a respirator casing of saving oneself belongs to conflagration first aid technical field, has solved the great, inconvenient and the poor problem of security of carrying and using of current respirator casing of saving oneself. The self-rescue respirator shell comprises a packaging top cover and a bottom plate, the packaging top cover is connected with the bottom plate in a buckling mode, a clamping groove connected with the packaging top cover is formed in the bottom plate, an easily-folded baffle is arranged on a first side face of the packaging top cover, and the easily-folded baffle is connected with the packaging top cover in a virtual mode; the easy-to-fold baffle is provided with a notch; the bottom plate is provided with a neck belt which can be exposed out of the packaging top cover through the notch; the box breaking block is fixedly arranged on the part of the neck strap, which is positioned in the packaging top cover, and when the neck strap is pulled, the box breaking block can damage the buckle and the easy-folding baffle of the packaging top cover so as to enable the packaging top cover and the bottom plate to fall off; the bottom plate is also provided with an oxygen generating device. The utility model discloses a respirator of saving oneself casing can reduce the whole volume of respirator of saving oneself under the packing state, carry convenient to use and security height.
Description
Technical Field
The utility model relates to a conflagration device technical field of saving oneself especially relates to a respirator casing of saving oneself.
Background
When a fire accident occurs, disaster victims trapped in a field can adopt a wet towel to cover the mouth and the nose or adopt a self-rescue measure such as wearing a filtering type breathing mask or a compressed gas cylinder respirator, but the oxygen content in air after severe combustion is low, toxic and harmful components in smoke are very complex, the wet towel and the filtering type breathing mask can only filter a few specific toxic gases, the expected filtering and purifying effect is difficult to achieve, the compressed gas cylinder respirator is also not suitable for an environment with the oxygen concentration lower than 17 percent, the life safety of the escape personnel is difficult to guarantee practically, and the compressed gas cylinder respirator belongs to a high-pressure container and is easy to generate dangerous accidents such as explosion; at present, the means of wearing a chemical oxygen self-rescue respirator and the like can be adopted for on-site evacuation and escape self-rescue.
KO is the basis for chemical oxygen self-rescue respirator2Air regenerant and CO as main components2、H2The device is developed by taking the principle that fresh air for breathing is generated by the O reaction, is not limited by the gas components of the surrounding atmosphere environment in use, and is an ideal emergency escape self-rescuer. However, the shell of the existing chemical oxygen self-rescue respirator and the internal self-rescue respirator are of a split structure, so that the volume is large, the use is complex, the action is influenced, and the safety is poor.
SUMMERY OF THE UTILITY MODEL
In view of the above analysis, the present invention aims to provide a self-rescue respirator housing, which can at least solve one of the following technical problems: (1) the self-rescue respirator has larger shell volume and is not easy to carry; and (2) the use is inconvenient, the action is influenced, and the safety is poor.
The purpose of the utility model is mainly realized through the following technical scheme:
the utility model provides a self-rescue respirator shell, which comprises a packaging top cover and a bottom plate, wherein the packaging top cover is connected with the bottom plate through a buckle, a clamping groove connected with the packaging top cover is arranged on the bottom plate, and an easily-folded baffle is arranged on a first side surface of the packaging top cover and is in virtual connection with the packaging top cover; the easy-to-fold baffle is provided with a notch; the bottom plate is provided with a neck belt which can be exposed out of the packaging top cover through the notch; the bottom plate can be used as an oxygen generating tank mounting seat.
Furthermore, the part of the neck strap, which is positioned in the packaging top cover, is fixedly provided with a box breaking block, and when the neck strap is pulled up, the box breaking block can damage the buckle and the easy-to-fold baffle of the packaging top cover, so that the packaging top cover and the bottom plate fall off.
Further, the bottom plate is also provided with a placing frame matched with the oxygen generating device of the self-rescue respirator and the four-way unit.
Further, the buckle sets up on easy baffle and with first side symmetry's second side.
Further, the quantity of the buckles on the easy-folding baffle is two, and the two buckles are symmetrically arranged relative to a vertical line in the bottom edge of the notch.
Further, a hand-held part is arranged on an upper top plate of the self-rescue respirator shell.
Further, the handle portion is door-shaped or arcuate.
Furthermore, the bottom surface of the bottom plate is provided with a bulge.
Furthermore, the edges of the packaging top cover are provided with chamfers.
Further, the upper surface of the bottom plate is provided with grid protrusions for enhancing the strength of the bottom plate.
Compared with the prior art, the utility model discloses can realize one of following beneficial effect at least:
a) the utility model provides a respirator of saving oneself casing is through being connected packing top cap and bottom plate (producing oxygen jar mount pad), covers oral nasal mask, respiratory tube, oxygen production device, uninflated gasbag, warning positioning unit, and the respirator of saving oneself and the design of respirator of saving oneself casing sharing bottom plate (producing oxygen jar mount pad), has reduced the whole volume of respirator of saving oneself under the packing state, conveniently carries.
b) Through setting up the neck area on the bottom plate, when self-rescue respirator casing is connected with the bottom plate, the neck area exposes the casing outward, and only a part of neck area is located outside the packing top cap after the self-rescue respirator packing, and the part that the neck area is located the self-rescue respirator casing has set firmly broken box piece, works as when the neck area is pulled up, broken box piece destroys the buckle and the easy baffle of packing top cap, makes packing top cap and bottom plate (producing oxygen jar mount pad) drop, and self-rescue respirator can get into operating condition, simple structure, easily operation.
c) The neck strap links to each other with alarm positioning unit's switch, and when packing top cap and bottom plate drop, the switch was opened, carries out audible and visual warning automatically, and the rescue personnel of being convenient for confirm the position of stranded person, the convenient rescue.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
The drawings are only for purposes of illustrating particular embodiments and are not to be construed as limiting the invention, wherein like reference numerals are used to designate like parts throughout the drawings.
Fig. 1 is a schematic structural view of a self-rescue respirator shell in embodiment 1 of the invention;
FIG. 2 is a front view of the self-rescue respirator shell structure of embodiment 1 of the present invention;
FIG. 3 is a schematic structural view of an oxygen generating device according to embodiment 1 of the present invention;
FIG. 4 is a schematic structural view of an oxygen generating device (with a heat dissipating cover) according to embodiment 1 of the present invention;
FIG. 5 is a schematic cross-sectional view of an oxygen generating tank according to embodiment 1 of the present invention;
fig. 6 is a schematic view of the whole structure of the self-rescue respirator of embodiment 1 of the present invention.
Reference numerals:
1-self-rescue respirator shell; 11-packaging the top cover; 12-a frangible barrier; 13-a bump; 14-a base plate; 15-notches; 2-a breathing tube; 21-a first quick connector; 3-an oxygen generating device; 311-an air inlet pipe; 312-an air outlet pipe; 313-an oxygen generating tank body; 314-a connection tube; 315-a pipeline; 321-a first channel; 322-a second channel; 323-a third channel; 324-a fourth channel; 325-second quick connector; 326-third quick connector; 327-fourth quick connector; 331-circular heat dissipation holes; 332-bar-shaped heat dissipation grooves; 333-observation window; 4-air bag; 41-bar-shaped reflecting mark; 42-SOS cursor-reflecting; 5-an alarm positioning unit; 6-mouth nose mask.
Detailed Description
The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, which form a part hereof, and which together with the embodiments of the invention serve to explain the principles of the invention.
Example 1
The embodiment provides a self-rescue respirator shell, as shown in fig. 1-6, the self-rescue respirator shell 1 comprises a packaging top cover 11 and a bottom plate 14, the packaging top cover 11 is connected with the bottom plate 14 in a buckling mode, a clamping groove connected with the packaging top cover 11 is formed in the bottom plate 14, an easy-to-fold baffle 12 is arranged on a first side face of the packaging top cover 11, the easy-to-fold baffle 12 is in virtual connection with the packaging top cover 11, and a connecting part can be damaged through small external force; the easy-to-break baffle 12 is provided with a notch 15; the bottom plate 14 is provided with a neck strap, and when the package top cover 11 is connected with the bottom plate 14, the neck strap is exposed out of the package top cover 11 through the notch 15; a box breaking block is fixedly arranged on the part of the neck strap, which is positioned in the packaging top cover 11, and when the neck strap is pulled, the box breaking block breaks a buckle of the packaging top cover 11 and the easy-to-fold baffle 12, so that the packaging top cover 11 and the bottom plate 14 fall off; the bottom plate 14 is also used as an oxygen generating tank mounting seat, and the oxygen generating device 3 is arranged on the bottom plate 14.
Specifically, the buckle is arranged on the easy-to-break baffle 12 and a second side surface symmetrical to the first side surface; the number of the catches on the frangible barrier 12 is two, and the two catches are symmetrical about a perpendicular bisector of the bottom edge of the slot 15.
Considering that the self-rescue respirator shell 1 needs to be convenient to carry, a hand-held part is arranged on the upper top plate of the self-rescue respirator shell 1, and the hand-held part is in a door shape or a bow shape.
In order to reduce the friction between the bottom plate 14 and the storage surface and facilitate the rapid lifting or placing of the self-rescue respirator housing 1, the bottom of the bottom plate 14 is provided with 4 protrusions 13, and the protrusions 13 are evenly distributed on the bottom plate 14.
Considering that the sharp edges of the top packaging cover 11 are easy to scratch the user and have poor safety, the edges of the top packaging cover 11 are provided with chamfers.
In addition, the bottom plate 14 is also provided with an oronasal mask 6, a breathing tube 2 and an airbag 4; the mouth-nose mask 6, the breathing tube 2, the oxygen generating device 3 and the air bag 4 form a self-rescue respirator; the oronasal mask 6 is connected with one end of the breathing tube 2, the oxygen generating device 3 is connected with the other end of the breathing tube 2, the oxygen generating device 3 comprises an oxygen generating tank, a four-way unit and a heat dissipation cover, the oxygen generating tank is connected with the four-way unit, the air bag 4 is connected with the oxygen generating tank, and an oxygen generating agent is arranged in the oxygen generating tank.
The oronasal mask 6 is connected with the breathing tube 2 through a first quick connector 21, and a head bandage is arranged on the oronasal mask 6, so that the oronasal mask 6 can be conveniently fixed to be closely fit with the face of a human body; the interface of the oronasal mask 6 and the breathing tube 2 adopts a universal interface, and the oronasal mask in other forms can be conveniently replaced. The breathing tube 2 is a flexible hose so that the self-rescue respirator can be bent and twisted when being packaged and used.
The oxygen generating tank includes an inlet pipe 311, an outlet pipe 312, and an oxygen generating tank main body 313, and the oxygen generating tank main body 313 is exemplarily a rectangular parallelepiped shaped case. The oxygen generating agent is arranged in the oxygen generating tank main body 313, the air inlet pipe 311 and the air outlet pipe 312 are symmetrically arranged on the side surface of the oxygen generating tank main body 313, and the air outlet pipe 312 is connected with the connecting pipe 314 in an interference manner; in order to facilitate sealing and limiting, a step is arranged in the middle of the connecting pipe 314, one end of the connecting pipe 314 is inserted into the air outlet pipe 312, the limiting is realized by the step on the connecting pipe 314, in order to avoid the influence of overlong inserted part of the connecting pipe 314 on the flow of gas in the oxygen generating tank main body 313, the length of the inserted part is less than or equal to that of the air outlet pipe 312, a sealing ring is arranged at the step position, and the leakage of oxygen at the connecting part; the other end of the connecting pipe 314 is provided with a round thin rubber pad which is adhered to the air inlet of the air bag 4 to form a sealed air channel; the oxygen generating tank main body 313 is provided with filter screens at the connecting positions of the air inlet pipe 311 and the air outlet pipe 312 respectively, and particularly, the filter screens are made of metal meshes and quartz cotton sheets, so that the situation that oxygen generating agent powder leaks out through the air inlet pipe 311 and the air outlet pipe 312 when the self-rescue respirator is stored or used, and other parts are damaged due to local high temperature or irritate a respiratory system of a human body is avoided.
It should be noted that, in order to facilitate the determination of whether the oxygen generating agent has failed or has reached the rated protection time by the user or the inspector, the user can intuitively grasp the remaining protection time of the breathing apparatus, the oxygen generating tank main body 313 is made of a transparent material, the material for manufacturing the oxygen generating tank main body 313 cannot react with the oxygen generating agent, and the transparent material has good thermal conductivity in order to facilitate the conduction of heat in the oxygen generating process; in order to meet the requirements of a specific industry standard, in the coal industry, the oxygen generating tank main body 313 is made of metal materials, and in order to facilitate the observation of the state of the oxygen generating agent through the observation window 333 on the outer heat dissipation cover, a strip window is arranged on the oxygen generating tank main body 313 and is sealed by a glass strip.
Considering that the oxygen can be released when the oxygen is generated in a chemical oxygen mode, so that the oxygen generating tank of the self-rescue respirator generates local high temperature, and secondary damage to users is easily caused, in order to improve the safety of the self-rescue respirator in the using process, a heat conducting plate is arranged in the oxygen generating tank main body 313 and is made of a heat pipe, the heat pipe is a heat transfer element for realizing heat transfer by means of phase change of working liquid in the heat pipe, the heat conduction principle and the quick heat transfer property of a phase change medium are fully utilized, the heat of a heating object is quickly transferred to the outside of a heat source through the heat pipe, and further, the heat pipe is a copper-water heat pipe, a carbon steel-water heat. Through making the heat-conducting plate by the heat pipe in the inside setting of oxygen generating tank main part, can conduct the inside heat of oxygen generating tank main part 313 to the wall of oxygen generating tank main part 313 rapidly, again by the heat exchanger with the heat dissipation, reduced oxygen generating tank main part 313 in produce oxygen reaction temperature, comfort level of temperature when having improved gaseous breathing has avoided personnel to take place the problem of secondary damage because of inhaling high-temperature gas.
In order to improve the oxygen generating efficiency and further improve the heat radiation efficiency, a plurality of pipes 315 having a mesh pipe wall are provided between the inlet pipe 311 and the outlet pipe 312, and the pipes 315 are in contact with the inner wall of the oxygen generating tank main body 313. Because the pipeline 315 is of a net structure, the gas flows more uniformly in the oxygen generating tank main body 313, the gas in the pipeline 315 can diffuse towards the oxygen generating agents around along the way, fully contacts the oxygen generating agents at different positions and reacts, the oxygen generating efficiency is improved by 5% -10%, meanwhile, the pipeline 315 contacts with the inner wall of the oxygen generating tank main body 313, and the heat dissipation efficiency is improved by more than 10%. It should be noted that, in order to simplify the assembly difficulty, the heat conducting plate and the pipe 315 are designed integrally.
The four-way unit comprises a first channel 321, a second channel 322, a third channel 323 and a fourth channel 324, wherein the second channel 322 is communicated with the third channel 323 to form a pipeline, the shape and the size of the second channel 322 are consistent with those of the third channel, the first channel 321 is vertically arranged in the middle of the pipeline communicated with the second channel 322 and the third channel 323, the fourth channel 324 is vertically arranged in the middle of the pipeline communicated with the second channel 322 and the third channel 323 and is vertical to the first channel 321, the four-way structure is convenient for the circular flow of gas, an expiration hose and an inspiration hose are combined into one hose, and the wearing structure is simplified.
Specifically, first passageway 321 is connected with breathing pipe 2 through second quick-operation joint 325, and second quick-operation joint 325 buckle makes things convenient for breathing pipe 2 installation and change at the port of first passageway 321, and second quick-operation joint 325 and first passageway 321 joint position are provided with the sealing washer, avoid leaking gas.
Specifically, the second channel 322 is connected with the first air outlet of the air bag 4 through the third quick connector 326, and the third quick connector 326 is fastened at the port of the second channel 322, so that the assembly and disassembly are convenient; a sealing ring is arranged at the clamping position of the third quick connector 326 and the second channel 322, so that air leakage is avoided; the third quick connector 326 is provided with a round thin rubber pad which is bonded at the first air outlet of the air bag 4 to form a closed air channel; be provided with the check valve in the third quick-operation joint 326, guarantee that the oxygen in the gasbag 4 can flow into in the second passageway 322, and the gas in the second passageway 322 does not get into the gasbag 4, makes only the fresh air that oxygen concentration is high in the gasbag 4, guarantees the security of self-rescue respirator when using.
Specifically, the third channel 323 is connected with the second air outlet of the air bag 4 through the fourth quick connector 327, and the fourth quick connector 327 is fastened at the port of the third channel 323, so that the assembly and disassembly are convenient; a sealing ring is arranged at the clamping position of the fourth quick connector 327 and the third channel 323, so that air leakage is avoided; the fourth quick connector 327 is provided with a round thin rubber pad, which is bonded at the second air outlet of the air bag 4 to form a closed air channel; a one-way valve is arranged in the fourth quick connector 327 to ensure that oxygen in the air bag 4 can flow into the third channel 323, and gas in the third channel 323 does not enter the air bag 4, so that only fresh air with high oxygen concentration exists in the air bag 4, and the safety of the self-rescue respirator in use is ensured.
Specifically, the fourth channel 324 is inserted into the air inlet pipe 311, and is limited by a step arranged on the fourth channel 324, so that the length of the inserted part is less than or equal to that of the air inlet pipe 311, the situation that the flow of gas in the oxygen generating tank main body 313 is influenced by the overlong inserted part and the arrangement of a heat conducting plate and a pipeline 315 is interfered is prevented, and a sealing ring is arranged at the step position to avoid the leakage of oxygen at the joint; a one-way valve is arranged in the fourth passage 324 to ensure that the gas in the fourth passage 324 can enter the oxygen generating tank main body 313, but the gas in the oxygen generating tank main body 313 cannot enter the fourth passage 324, so that the gas with high carbon dioxide concentration can only enter the oxygen generating tank main body 313 through the fourth passage 324 to react with the oxygen generating agent.
In this embodiment, the one-way valve is disposed at the connection position of the second channel 322, the third channel 323 and the fourth channel 324, the first channel 321 is connected with one end of the breathing tube 2, the second channel 322 is connected with the first air outlet, the third channel 323 is connected with the second air outlet, the fourth channel 324 is connected with the air inlet tube 311, and the air outlet tube 312 is connected with the air inlet. During the use, the gas that user of service expired flows through fourth passageway 324, intake pipe 311 by first passageway 321, and gas is inside in oxygen generating tank main part 313 and is reacted with the oxygen generating agent, and fresh air passes through outlet duct 312 and gets into gasbag 4, and when the human body breathed in, the gas in gasbag 4 gets into the cross unit through first gas outlet, second gas outlet in, and it is breathed through respiratory tube 2 to get into first passageway 321 at last to converge.
In the embodiment, the breathing device only utilizes one breathing tube 2 to realize that the gas exhaled by the human body enters the air bag 4 through the oxygen generating tank, and then bypasses the oxygen generating tank from the air bag 4 to directly enter the circulating oxygen generating of the respiratory system of the human body, thereby simplifying the structure of realizing the circulating oxygen generating by the traditional two tubes or three tubes, being more convenient in use, having less influence on the action of personnel, simultaneously avoiding the temperature rise of the gas in the breathing process caused by reciprocating airflow through the oxygen generating tank twice, reducing the temperature of the oxygen generating, leading the inspiration temperature of the breathing device to be lower than the current relevant standard by more than 20 ℃, and improving the comfort level of breathing.
In addition, be provided with on the bottom plate 14 with the dispenser of the oxygen generating tank after the equipment and the dispenser of cross unit looks adaptation, the dispenser includes oxygen generating tank dispenser and cross unit dispenser, oxygen generating tank dispenser is provided with the block structure, oxygen generating tank realizes fixedly through block structure and oxygen generating tank dispenser, cross unit dispenser is provided with the block structure, cross unit passes through the block structure and realizes fixedly with cross unit dispenser, dispenser can fix oxygen generating tank and cross unit after the equipment, prevent that oxygen generating tank and cross unit from rocking, the security improves.
In order to increase the strength of the base plate 14, grid protrusions are arranged on the base plate 14; the heat dissipation cover is connected with the bottom plate 14, exemplarily, the heat dissipation cover is in a cuboid shape, a through hole is formed in the side surface corresponding to the first channel 321, the diameter of the through hole is equal to the outer diameter of the first channel 321 and is smaller than the diameter of the second quick connector 325, arch-shaped openings are formed in the side surfaces corresponding to the second channel 322, the third channel 323 and the fourth channel 324, the heat dissipation cover is fixed through the second quick connector 325, and the heat dissipation cover covers the oxygen generating tank and the four-way unit; in order to avoid producing oxygen jar main part 313 scald heat exchanger, can also reach good radiating effect simultaneously, heat exchanger and produce oxygen jar main part 313 and set up certain interval d, exemplarily, interval d is 3 ~ 5mm, and at this moment, circular thin cushion all exposes at heat exchanger to be connected with gasbag 4.
Further, in order to rapidly dissipate heat generated in the oxygen production process, the upper bottom surface of the heat dissipation cover is provided with a circular heat dissipation hole 331, the symmetrical side surfaces of the heat dissipation cover are provided with strip-shaped heat dissipation grooves 332, the positions of the circular heat dissipation hole 331 and the strip-shaped heat dissipation grooves 332 correspond to the position of the oxygen production tank main body 313, the plurality of uniformly distributed circular heat dissipation holes 331 cover the upper bottom surface of the oxygen production tank main body 313, and the plurality of uniformly distributed strip-shaped heat dissipation grooves 332 cover the symmetrical side surfaces of the oxygen production tank main body 313.
Specifically, gasbag 4 is the U type after aerifing, and the oxygen generating tank inlays to be established in U type mouth, and gasbag 4 includes first gas outlet, second gas outlet and air inlet, and gasbag 4 is vest formula design, and the structure after folding is small and exquisite, and it is comfortable convenient to dress and use. The strip-shaped reflecting marks 41 are adhered to two sides of the upper surface of the air bag 4, and the SOS reflecting marks 42 are adhered to the middle positions of the two strip-shaped reflecting marks, so that users can be easily found in the environment with poor light, and the rescue is facilitated; install warning positioning unit 5 on gasbag 4, warning positioning unit 5 includes audible-visual annunciator module and location communication module, and the respirator of saving oneself launches the back, and audible-visual annunciator module sends the flash of light when alert sound, makes things convenient for the rescue personnel to discern, and personnel's position can be confirmed to the communication module of location simultaneously, launches positional information through communication modes such as microwaves, and the usable terminal that accords with communication protocol receives the positional information of the respirator of saving oneself, can conveniently rescue. It should be noted that the air bag 4 is connected with a waistband, so that the air bag 4 can be fixed in front of the chest of the human body.
When the self-rescue respirator is not started, the packaging top cover 11 and the self-rescue respirator share the bottom plate 11, the packaging top cover 11 covers the oral-nasal mask 6, the breathing tube 2, the oxygen generating device 3, the uninflated air bag 4 and the alarm positioning unit 5, and the packaging design of the self-rescue respirator and the packaging top cover 11 share the bottom plate 11 is adopted, so that the whole volume of the self-rescue respirator in a packaging state is reduced, and the self-rescue respirator is convenient to store and carry.
Furthermore, the part of the neck strap in the packaging top cover 11 is fixedly provided with a box breaking block, when the neck strap is pulled up, the box breaking block breaks the buckle of the packaging top cover 11 and the easy-to-break baffle 12, so that the packaging top cover 11 and the bottom plate 14 fall off, the self-rescue respirator can enter a working state, and the self-rescue respirator is simple in structure and easy to operate. The neck strap links to each other with the switch of warning positioning unit 5, the sealing plug in the oral nasal mask 6 respectively, and when packing top cap 11 and bottom plate 14 drop, the switch was opened, and the sealing plug drops, and the respirator of saving oneself reaches user state, carries out audible and visual alarm automatically and sends positioning information, and the rescue personnel of being convenient for confirm the position by the stranded person.
The neck strap is printed with the use instruction of the self-rescue respirator, so that the use method of the self-rescue respirator is visually prompted to users, and the use is convenient and fast; the mouth nose cover 6 is internally provided with a sealing plug which seals an oxygen generating channel, so that the phenomenon that air enters the oxygen generating tank main body 313 to react with oxygen generating agent when the self-rescue respirator is stored is avoided, and the waste of the oxygen generating agent is avoided.
Compared with the prior art, the self-rescue respirator shell in the embodiment is connected with the bottom plate (oxygen production tank mounting seat) through the packaging top cover, the oral-nasal mask, the breathing tube, the oxygen production device, the uninflated air bag and the alarm positioning unit are covered, and the self-rescue respirator shell share the bottom plate (oxygen production tank mounting seat), so that the whole volume of the self-rescue respirator in a packaging state is reduced, and the self-rescue respirator is convenient to carry.
Through setting up the neck area on bottom plate (producing oxygen jar mount pad), when self-rescue respirator casing and bottom plate (producing oxygen jar mount pad) are connected, the neck area exposes the casing outward, and only a part of neck area is located outside the packing top cap after the self-rescue respirator packing, and the part that the neck area is located the packing top cap has set firmly broken box piece, works as when the neck area is pulled up, broken box piece destroys the buckle and the easy baffle of packing top cap, makes packing top cap and producing oxygen jar mount pad drop, and self-rescue respirator can get into operating condition, simple structure, easily operation.
The neck strap is connected with a switch of the alarm positioning unit, when the packaging top cover and the bottom plate (oxygen generating tank mounting seat) fall off, the switch is opened to automatically carry out acousto-optic alarm, so that rescue personnel can conveniently determine the position of a trapped person, rescue is facilitated,
the above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.
Claims (10)
1. The self-rescue respirator shell is characterized by comprising a packaging top cover (11) and a bottom plate (14), wherein the packaging top cover (11) is connected with the bottom plate (14) through a buckle, a clamping groove connected with the packaging top cover (11) is formed in the bottom plate (14), an easy-to-fold baffle (12) is arranged on a first side surface of the packaging top cover (11), and the easy-to-fold baffle (12) is in virtual connection with the packaging top cover (11); the easy-to-break baffle (12) is provided with a notch (15); a neck band is arranged on the bottom plate (14), and the neck band can be exposed out of the packaging top cover (11) through the notch (15); the base plate (14) can serve as an oxygen generating tank mounting seat.
2. The self-rescue respirator shell according to claim 1, wherein a box breaking block is fixedly arranged on the part of the neck strap located in the packaging top cover (11), and when the neck strap is pulled up, the box breaking block can break a buckle and a folding baffle (12) of the packaging top cover (11) to enable the packaging top cover (11) to fall off from the bottom plate (14).
3. The self-rescue respirator housing according to claim 1, wherein the bottom plate (14) is further provided with a mounting shelf adapted to the oxygen generating device (3) and the four-way unit of the self-rescue respirator.
4. The self-rescue respirator housing according to claim 1, wherein the catch is provided on the frangible barrier (12) and on a second side which is symmetrical to the first side.
5. The self-rescue respirator housing according to claim 4, wherein the number of the catches on the frangible barrier (12) is two, the two catches being symmetrically arranged about a perpendicular in the bottom edge of the slot (15).
6. The self-rescue respirator housing according to claim 1, characterized in that a hand-held portion is provided on the upper ceiling of the self-rescue respirator housing (1).
7. A self-rescuer housing according to claim 6, wherein the hand-held portion is portal or arcuate.
8. The self-rescue respirator housing according to claim 7, wherein the bottom surface of the bottom plate (14) is provided with a projection (13).
9. A self-rescue respirator housing according to any one of claims 1 to 8, wherein the edges of the packaging cover (11) are each provided with a chamfer.
10. The self-rescue respirator housing according to claim 9, wherein the upper surface of the base plate (14) is provided with grid projections that reinforce the strength of the base plate (14).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020143531.7U CN211705652U (en) | 2020-01-22 | 2020-01-22 | Self-rescue respirator shell |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020143531.7U CN211705652U (en) | 2020-01-22 | 2020-01-22 | Self-rescue respirator shell |
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| CN211705652U true CN211705652U (en) | 2020-10-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112138299A (en) * | 2020-10-21 | 2020-12-29 | 中国矿业大学 | Chemical oxygen self-rescuer with replaceable medicine tank |
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2020
- 2020-01-22 CN CN202020143531.7U patent/CN211705652U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112138299A (en) * | 2020-10-21 | 2020-12-29 | 中国矿业大学 | Chemical oxygen self-rescuer with replaceable medicine tank |
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