CN206896623U - Fireman's emergency self-saving device - Google Patents
Fireman's emergency self-saving device Download PDFInfo
- Publication number
- CN206896623U CN206896623U CN201720517457.9U CN201720517457U CN206896623U CN 206896623 U CN206896623 U CN 206896623U CN 201720517457 U CN201720517457 U CN 201720517457U CN 206896623 U CN206896623 U CN 206896623U
- Authority
- CN
- China
- Prior art keywords
- inner cylinder
- fireman
- hole
- mask
- compressed air
- 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.)
- Expired - Fee Related
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Abstract
A kind of fireman's emergency self-saving device, belongs to technical field of fire control.Fireman's emergency self-saving device includes compressed air source unit and mask, the adjusted valve of compressed air source unit is connected with mask to provide the gas for fireman's breathing to mask, the compressed air source unit includes outer barrel and the inner cylinder being placed in outer barrel, inner cylinder is used to hold compressed air or oxygen, cavity between outer barrel and inner cylinder is divided into two cavitys, superposed upper plenum is used to hold the first preparation for preparing oxygen, lower cavity positioned at bottom is used to hold the second preparation for preparing oxygen, next door between upper plenum and lower cavity is provided with first through hole, rotary valve is provided with first through hole；The second through hole is provided with inner tube wall, air pressure valve is provided with the second through hole, when the gas pressure in inner cylinder is less than setting value, air pressure valve is opened, and the cavity in inner cylinder connects with lower cavity.The emergency self-saving device, it is approaching, be in peril of one's life in the case of can make by oneself oxygen for fireman use.
Description
Technical field
Utility model is related to a kind of fireman's emergency self-saving device, it is more particularly to a kind of it is approaching, be in peril of one's life
The emergency self-saving device that oxygen uses for fireman can be made in situation by oneself.
Background technology
Staff generally takes breathing mask in hazardous environment.The one of which type of this mask is only to make
Extend above the nose and mouth of user, and include the breathing active carbon filter that air passed through.The filter can be by particle
Removed with noxious material from air.But because such breathing apparatus is in the environment for the condition of a fire and smog much occur
In it is inappropriate, unreliable or dangerous, therefore most fire department generally all prohibits the use of this breathing apparatus.
On the contrary, working as needs to make the individual of emergency response, when such as fireman enters the building of burning, they are generally all
It is allowed to use safer self-sustaining breathing apparatus.This breathing apparatus includes compressed air reservoir；And pressure regulation
Device, it can carry out feed air with the constant pressure that can be born by fireman.Flexible pipe is by the air regulator and is worn over fire-fighting
Mask on member's face, covering whole face is connected.The mask includes the outlet and transparent face for fireman's exhalation air
Helmet.When user puts on mask, mask can not only provide the enclosed volume of inhalable air above user's face, and
And the eyes of fireman can also be protected from the influence of flue dust around.Self-sustaining breathing with the mask for covering whole face
Equipment is generally exactly that is ratified by fire department, has the breathing apparatus of anti-suction flue dust device.
The air feed of the storage tank of fireman's breathing apparatus is limited.Although alert mechanism is provided with so as to when air supplies
Fireman is alerted when the amount of sending is relatively low, still, often it is also possible that there is situations below, i.e. before the air of feed is used up,
Fireman can not walk out the building of burning.In addition, it is also possible to situations below occur, i.e. due to such as building collapsing, disappear
Anti- member may be trapped in the building of burning, or may be got lost in the region that larger flue dust diffuses, and such as purchased
Thing market.Fireman be also possible to can be in some way injury or lose ability and become unable to move.In such cases, disappear
Anti- member may use up inhalable air, and the danger that will have death.Accordingly, it would be desirable to provide another kind breathing apparatus, it can
To use in the emergency that these are approaching, are in peril of one's life, prevent from sucking flue dust.
Although kind of an active carbon type mouth filter can be set on the self-sustaining breathing apparatus of allowance, with emergency
It is middle standby for fireman, but in some rescue places, poisonous and hazardous gas concentration is too high, and it is poisonous and harmful to be mixed into higher concentration
Gas filtered still fireman can not be supplied to be supplied with sufficient concentrations of oxygen.
The content of the invention
To overcome shortcoming present in prior art, goal of the invention of the present utility model is to provide kind of fireman's emergency self-saving
Device, it is approaching, be in peril of one's life in the case of, its can make by oneself oxygen for fireman use.
To realize the goal of the invention, the utility model provides a kind of fireman's emergency self-saving device, it is characterised in that bag
Compressed air source unit and mask are included, the adjusted valve of compressed air source unit is connected with mask to provide the gas for fireman's breathing to mask
Body, the compressed air source unit include outer barrel and the inner cylinder being placed in outer barrel, and inner cylinder is used to hold compressed air or oxygen, institute's outer barrel
Cavity between inner cylinder is divided into two cavitys, and superposed upper plenum is used to hold the first preparation for preparing oxygen, is located at
The lower cavity of bottom is used to hold the second preparation for preparing oxygen, and it is logical that the next door between upper plenum and lower cavity is provided with first
Hole, rotary valve is provided with first through hole；The second through hole is provided with inner tube wall, air pressure valve is provided with the second through hole, when interior
When gas pressure in cylinder is more than or equal to setting value, air pressure valve is closed, and the cavity and lower cavity in inner cylinder are sealed against one another；When
When gas pressure in inner cylinder is less than setting value, air pressure valve is opened, and inner cylinder connects with lower cavity.
Preferably, first preparation is hydrogen peroxide, second preparation be multiple fuses made of manganese dioxide and
It is coated on around fuse and is used for the particle made of clad that absorbs heat, at least part of fuse is exposed.
Compared with prior art, fireman's emergency self-saving device provided by the utility model, it is approaching, be in peril of one's life
In the case of, oxygen can be made by oneself and used for fireman.
Brief description of the drawings
Fig. 1 is the schematic diagram of fireman's emergency self-saving device provided by the utility model；
Fig. 2 is the schematic cross-section of air filter provided by the utility model；
Fig. 3 is the schematic cross-section of compressed air reservoir provided by the utility model；
Fig. 4 is the composition schematic diagram of air pressure valve provided by the utility model；
Fig. 5 is the schematic diagram of injection device provided by the utility model.
Embodiment
Describe utility model in detail below in conjunction with the accompanying drawings.
Fig. 1 is the schematic diagram of fireman's emergency self-saving device provided by the utility model, fire-fighting provided by the utility model
Member's emergency self-saving device includes compressed air reservoir 200 and mask 100, and compressed air can be sent into by pressure regulator 201
In flexible pipe 202.Flexible pipe 202 extends to mask 208 from adjuster 201, subsequently combines Fig. 3 and compressed air reservoir is described in detail.Institute
State mask 100 by suitable for around the anterior extension in fireman head, half shield 101 is formed made of rubber.The elastomeric material can
So that half shield just extends and mutually caused with user head on a user's head, so as to form aeroseal therebetween.
Positioned at each frenulum 102 at half shield rear portion help mask being fixed on the head of user.Made of transparent plastic
Window 103 extends across the central opening in half anterior shield 101 of fireman's face.Air hose 202 is with being located at mask
The through hole of 100 chin area is connected, so as to which air is sent into the big envelope formed by the mask.Mask 100, which also has, to be used
In the aperture for personal air filter 104 of meeting an urgent need.
Fig. 2 is the schematic cross-section for the air filter that utility model provides, and is used as shown in Fig. 2 mask 100 also has
In the aperture for personal air filter 104 of meeting an urgent need.Aperture has tubular cross section 105, and has external screw thread, thereon screw thread
The internal thread outlet 106 of filter 104 is connected with, thus can form air duct.Filter 104 can have or connect
In connector (not shown), it is connected with the mouth with different shape and size.
Personal air filter 104 of meeting an urgent need includes canister 107, and the canister 107 is designed using traditional collar plate shape,
And there is entrance 109 on preceding surface 108, there is outlet 111 on rear surface 110.Filtration members are provided with canister 107
112, to remove particulate, such as come from through the flue dust and hazardous vapors of the air of the canister.
Before the use, self-adhering type protecting cover 113 is adhered to the top of entrance 109 of the canister, thus opened to be described
Mouth provides aeroseal effect.In order to use air filter 104 in an emergency situation, fireman can catch big lug
114 so that protecting cover 113 to be pulled down from canister 107.Used binding agent can not be after protecting cover be removed again by protecting cover
113 are adhered on the entrance.
Before using personal air filter 104 of meeting an urgent need, the air duct that is formed by the aperture 115 of mask 100
It is closing.Aperture 115 has slit-like opening on its side, and has and extend from the opening and cross the transverse direction inside aperture
Inner groovy.Plastic plate 116 is inserted in the groove, and closely with the engagement, to play valve member, so as to airtight
Ground seals up filter outlet.But plastic plate can slide in the groove.Plastic plate has two lugs, two lug
Protruded from opposite sides in each recess in the side wall for stretching into the transverse concave groove in aperture 115.Two lugs are than plastic plate
Main body come thin, and can have along the interface cut between every lug and main body groove, once therefore fireman
Pulling force effect can be made into the fracture of two lugs so that air filter 104 starts on plastic plate.Draw ear with wire with
Plastic plate is connected, to help fireman to slide the plastic plate when running into emergency that is approaching, being in peril of one's life.Lock ear
Protruded from the main surface of plastic plate, and can prevent plastic plate from departing from aperture 115.
Mask provided by the utility model is additionally provided with connector 117 at lower jaw position, will for connection flexible pipe 202
Gas in compressed air reservoir 200 is imported into the housing of mask formation.
Fig. 3 is the schematic cross-section of compressed air reservoir provided by the utility model, as shown in figure 3, the utility model carries
The compressed air reservoir 200 of confession includes outer barrel 204 and the inner cylinder 206 being placed in outer barrel, is formed between inner cylinder 206 and outer barrel 204
Cavity, inner cylinder 206 are used to hold compressed air or oxygen, and next door is provided between inner cylinder and outer barrel along the circumference of inner cylinder
213, the cavity between institute's outer barrel 204 and inner cylinder 206 is divided into two cavitys, superposed upper plenum 207 is used to hold
The first preparation of oxygen is prepared, the lower cavity 208 positioned at the bottom of bottom is used to hold the second preparation for preparing oxygen, upper plenum
Next door 213 between 207 and lower cavity 208 is provided with first through hole 211, and rotary valve 205 is provided with first through hole 211；It is interior
The second through hole is provided with barrel, air pressure valve 212 is provided with the second through hole, when the gas pressure in inner cylinder is more than or equal to
During setting value, air pressure valve 212 is closed, and inner cylinder and lower cavity are sealed against one another；When the gas pressure in inner cylinder is less than setting value, gas
Pressure valve 212 is opened, and inner cylinder connects with lower cavity 208, and the neck of outer barrel 204 is provided with third through-hole 203, third through-hole 203 with
The axis of first through hole 211 overlaps, and is easy to when injecting the second preparation to lower cavity, and by third through-hole, the second of unlatching is logical
Hole can be injected, and preparation can be injected by preparation injection device as shown in Figure 5, rotary valve 205 is such as rotated, beats first through hole
Open, the pipe portion of injection device 300 is stretched into through third through-hole 203, first through hole 211 successively and extend into lower cavity, to inject
Two preparations.After the second preparation of set amount is filled with, rotary valve 205 is rotated, closes first through hole, by injection device 300
Pipe portion extend into upper plenum through third through-hole 203, to inject the first preparation.First preparation is hydrogen peroxide, described second
Preparation be multiple fuses made of manganese dioxide and be coated on around fuse for absorbing heat particle made of clad, fuse
At least part it is exposed, clad is for example including hydrated sodium carbonate.
Fig. 4 is the schematic cross-section of air pressure valve provided by the utility model, as shown in figure 4, gas provided by the utility model
Pressure valve includes valve body 214 and valve element 216, and the valve body is tubular ring, and multiple gas are evenly arranged with along the circumference of tubular ring
Hole 215, each stomata radially extending and being connected with the inner chamber 219 of valve body along valve body, along tubular ring inside upper edges and
Lower edge is circumferentially respectively arranged with the first spacing ring 220 and the second spacing ring 219, between the first spacing ring and the second spacing ring
Form the cylindrical cavity 218 for accommodating valve element 216.Valve element 216 is cylindrical, along its it is axially arranged have cylindrical air holes 215,
Multiple stomatas 217 are evenly arranged with along the circumference of valve element, each stomata radially extending and being connected with stomata 215 along valve element.Make
Used time, it is used to set in the hole of air pressure valve on inner cylinder rubber washer is set, and air pressure valve is arranged in packing ring, makes valve body
Stomata side is extend into inner cylinder 206, and then air pressure valve is fixed in inner tube wall with tight loop.In this way, the stomata of valve body with it is interior
Cavity in cylinder connects, axially disposed on valve element to have stomata to be connected with lower cavity, when the air pressure in inner cylinder is more than or equal to
During setting value, valve element and 220 tight note of upper limit ring, so that valve element closes the stomata 215 on valve body, when the air pressure in inner cylinder
During less than setting value, and when being prepared for oxygen in lower cavity and generating air pressure, valve element moves down, and props up lower limit ring 219,
Stomata on valve body connects with the stomata 217 radially extended on valve element, is further connected with stomata 215, so as to lower cavity
Connection, caused oxygen enters inner cylinder in lower cavity, and oxygen is provided so as to continue as fireman.
Generally, fireman is come from the draw air of inner cylinder 206 by the aperture of mask shown in Fig. 1.If fireman is not
Hazardous environment can be left before the air in storage tank is used up, then fireman rotates rotary valve 205, opens first through hole, on
The first preparation in cavity 207 is flowed into lower cavity, in the presence of the second preparation of lower cavity, oxygen is produced, when oxygen
When pressure reaches setting value, air pressure valve is opened, and caused oxygen is drained into mask, exhaled for fireman through inner cylinder, adjuster 201
Inhale.
If institute fireman runs out of caused oxygen, hazardous environment is not left also, then so fireman can be by protecting cover 113
Pulled down from the entrance of emergent personal air filter 104, and pull plastic plate 116 to open the aperture on mask.This
The kind practice can be such that fireman is also used during emergency that is approaching, being in peril of one's life is run into, in prepared oxygen
When to the greatest extent, the Back Up Source of inhalable air can be breathed.
Protecting cover 113 and plastic plate 116 provide a little mechanical structures, and with these mechanical structures, administrative staff can detect air
The service condition of filter, and those in addition to situation that is approaching, being in peril of one's life without using these mechanical structures.
In addition, returning to fireman campsite, indicating mechanism can also be used using these, detect which mask needs to change their mistake
Filter device.
Although having carried out more detailed description to utility model with reference to preferred embodiment above, it is not to be considered pair
Utility model has limited.On the contrary, the correct protection domain of utility model should include those skilled people in the art
Many variations in the authority of member.Therefore, the protection domain of utility model should be defined by the appended claims.
Claims (2)
1. a kind of fireman's emergency self-saving device, it is characterised in that including compressed air source unit and mask, the compressed air source unit is adjusted
Valve is connected with mask to provide the gas for fireman's breathing to mask, and the compressed air source unit includes outer barrel and is placed in outer barrel
Inner cylinder, inner cylinder be used for hold compressed air or oxygen, the cavity between institute outer barrel and inner cylinder is divided into two cavitys, positioned at upper
The upper plenum in portion is used to hold the first preparation for preparing oxygen, and the lower cavity positioned at bottom is used to hold the prepare oxygen second system
Agent, the next door between upper plenum and lower cavity are provided with first through hole, rotary valve are provided with first through hole；Set on inner tube wall
There is the second through hole, air pressure valve is provided with the second through hole, when the gas pressure in inner cylinder is more than or equal to setting value, air pressure
Valve is closed, and inner cylinder and lower cavity are sealed against one another；When the gas pressure in inner cylinder is less than setting value, air pressure valve open, inner cylinder with
Lower cavity connection.
2. fireman's emergency self-saving device according to claim 1, it is characterised in that first preparation is hydrogen peroxide,
Second preparation be multiple fuses made of manganese dioxide and be coated on around fuse for absorbing heat made of clad
Particle, at least part of fuse are exposed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720517457.9U CN206896623U (en) | 2017-05-11 | 2017-05-11 | Fireman's emergency self-saving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720517457.9U CN206896623U (en) | 2017-05-11 | 2017-05-11 | Fireman's emergency self-saving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206896623U true CN206896623U (en) | 2018-01-19 |
Family
ID=61288443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720517457.9U Expired - Fee Related CN206896623U (en) | 2017-05-11 | 2017-05-11 | Fireman's emergency self-saving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206896623U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106943687A (en) * | 2017-05-11 | 2017-07-14 | 北京花兰德科技咨询服务有限公司 | Fireman's emergency self-saving device |
-
2017
- 2017-05-11 CN CN201720517457.9U patent/CN206896623U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106943687A (en) * | 2017-05-11 | 2017-07-14 | 北京花兰德科技咨询服务有限公司 | Fireman's emergency self-saving device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180119 Termination date: 20180511 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |