CN109621245A - A kind of filtering type saving oneself respirator - Google Patents
A kind of filtering type saving oneself respirator Download PDFInfo
- Publication number
- CN109621245A CN109621245A CN201811507295.6A CN201811507295A CN109621245A CN 109621245 A CN109621245 A CN 109621245A CN 201811507295 A CN201811507295 A CN 201811507295A CN 109621245 A CN109621245 A CN 109621245A
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- China
- Prior art keywords
- tank body
- hole
- spiral
- shield
- bar shaped
- 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.)
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Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/02—Masks
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
- A62B18/082—Assembling eyepieces, lenses or vision-correction means in or on gas-masks
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
- A62B18/10—Valves
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B23/00—Filters for breathing-protection purposes
- A62B23/02—Filters for breathing-protection purposes for respirators
- A62B23/025—Filters for breathing-protection purposes for respirators the filter having substantially the shape of a mask
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B7/00—Respiratory apparatus
- A62B7/10—Respiratory apparatus with filter elements
Abstract
The present invention discloses a kind of filtering type saving oneself respirator, wherein, the filtering type saving oneself respirator includes head-shield and canister, and the canister is located on head-shield, the head-shield is equipped with transparent big eye window, and the outer surface of the transparent big eye window is sticked and has the transparent shelter of several layers.Compared with prior art, the present invention can quickly get rid of the black smog being attached on big eye window when big eye window is unsighted, enable the environment of survivor's clear view surrounding, select correct escape route, avoid being trapped in the scene of a fire, improve escape efficiency.
Description
Technical field
The present invention relates to breather for fire fighting fields, and in particular to be a kind of filtering type saving oneself respirator.
Background technique
When saving oneself respirator is mainly used for fire generation, so that the personnel in fire field environment are from smog
The escape of poison asphyxia is saved oneself breathing tool.General filtering type saving oneself respirator includes canister and head-shield, is utilized
Medicament in canister, filter cigarette element, thus by toxic gases such as carbon monoxide, hydrocyanic acid, dense smoke, malicious mists in the air of the scene of a fire
It filters out, is allowed to become harmless air, breathed for survivor.And ambient enviroment is seen clearly by the big eye window that head-shield is equipped with
Situation selects correct escape route.But when fire generation, the imperfect combustion of article can be generated containing particulate matter in the scene of a fire
Black dense smoke, and the product to burn can also have water vapour, so that the adhesive ability of black dense smoke becomes strong, easily be attached to escape
On the big eye window for the saving oneself respirator that person wears, and the sight of survivor is blocked, influences survivor to escape route just
Often judgement increases in the residence time in the scene of a fire so that survivor is trapped in the scene of a fire, increases personal safety hidden danger.And pass through
The mode wiped manually effective and thorough can not dispose the black smoke particle being attached on big eye window, and survivor's sight is also
It will persistently be blocked.
In view of this, the applicant furthers investigate regarding to the issue above, there is this case generation then.
Summary of the invention
The main purpose of the present invention is to provide a kind of filtering type saving oneself respirators, unsighted in big eye window
When, the black smog being attached on big eye window can be quickly got rid of, enables the environment of survivor's clear view surrounding, selection
Correct escape route avoids being trapped in the scene of a fire.
In order to achieve the above objectives, solution of the invention is:
A kind of filtering type saving oneself respirator, wherein the filtering type saving oneself respirator includes head-shield and filter poison
Tank, the canister are located on head-shield, and the head-shield is equipped with transparent big eye window, and the outer surface of the transparent big eye window is sticked and has
The transparent shelter of several layers, the head-shield are equipped with the stepped recesses that area becomes larger from inside to outside, several layers shelter
It is sequentially overlapped matching from inside to outside to be sticked in stepped recesses, and transparent shelter is successively become larger by internal layer outer layers, institute
The viscosity stated between transparent shelter gradually becomes smaller from inside to outside, is equipped with tear tape on each layer of transparent shelter.
Further, the canister includes the first tank body and the second tank body, and one end of first tank body is connect with head-shield,
The other end of first tank body is detachably connected with the second tank body, and first tank body, the second tank body and head-shield mutually interconnect
Logical, one end that first tank body is connect with the second tank body is equipped with the first external screw thread, and second tank body is connect with the first tank body
One end be equipped with the first internal screw thread for matching with the first external screw thread, second tank body is equipped with the second tank body cavity, described the
Include in two tank body cavities the drying layer set gradually, cotton layer, active carbon layer, particulate filter, active carbon layer, cotton layer and
Drying layer.
Further, first tank body is equipped with the first spiral through-hole, first through hole and adsorption piece, and first spiral is logical
Along the axial direction setting of the first tank body, the first spiral through-hole is connected to the second tank body and head-shield in hole, and the first through hole is located at the
The end of one tank body, the first through hole connection is extraneous and the first spiral through-hole, the adsorption piece pass through first through hole matching and stretch
Enter into the first spiral through-hole；The adsorption piece includes handle, flexible shaft and several bristles, and the flexible shaft and handle connect
It connects, several bristles are located on flexible shaft, are coated with viscose glue on the bristle.
Further, the second spiral through-hole and the second through-hole, the second spiral through-hole edge are additionally provided on first tank body
The axial setting of first tank body, for the spiral surrounding of the second spiral through-hole in the inner circumferential of the first spiral through-hole, described second is logical
Hole is located at the end of the first tank body, and the second through-hole connection is extraneous and the second spiral through-hole, the adsorption piece pass through second and lead to
Hole matching is extend into the second spiral through-hole.
Further, third tank body is additionally provided on the canister, the third tank body is threadedly coupled with the second tank body, described
Second tank body is equipped with the second internal screw thread far from one end of the first tank body, and the third tank body includes interconnecting piece, storage part, filter house
And guide portion, the filter house is equipped with filter chamber, the first blow vent, the second blow vent and the first bar shaped notch, described
Filter chamber is located at the inside of filter house, and first blow vent and the second blow vent are symmetricly set on the front-rear direction of filter house,
And first blow vent, filter chamber and the second blow vent are sequentially communicated, the first bar shaped notch is located at the left and right sides of filter house
And be connected to filter chamber, the connecting portion in filter house rear portion and be connected to the second blow vent, the appearance of the interconnecting piece
Face is equipped with the second external screw thread to match with the second internal screw thread；
The storage part and guide portion are located at the left and right sides of filter house, and the storage part passes through side on filter house
The first bar shaped notch be connected to filter chamber, the guide portion passes through the first bar shaped notch of the other side on filter house and filtering
Chamber is connected to, and is additionally provided with the second bar shaped notch being correspondingly arranged with the first bar shaped notch in the guide portion, is set on the storage part
Have with the first vertically disposed water outlet of bar shaped notch, the inside of the storage part is additionally provided with shaft, is arranged in the shaft
Cloth roll, the cloth in the cloth roll sequentially pass through the first bar shaped notch from storage part, filter chamber, the first bar shaped notch, draw
Portion and the second bar shaped notch are led, the storage part is provided with aqueous solution.
Further, one-way exhaust valve is additionally provided on the head-shield, the one-way exhaust valve is located at the side of head-shield, the list
Whistle structural portion is additionally provided on exhaust valve.
After adopting the above structure, a kind of filtering type saving oneself respirator of the present invention, by transparent big eye window
On be sticked the transparent shelters of several layers so that when fire occurs and generates a large amount of black dense smoke, by being worn by filtering
The escape of formula saving oneself respirator.Also, it even if encountering transparent shelter in black dense smoke, and is attached on transparent shelter straight
Escape environment can not be seen after to a period of time clearly, when influencing the judgement of best-effort path, at this point, outermost transparent block of tearing
Object, the black particle object being attached on the transparent shelter of outermost layer will be removed with transparent shelter, to pass through transparent big eye window
Fire hazard environment will be seen clearly again, taken on an entirely new look at the moment, and rapidly according to fire condition around, select correctly escape road rapidly
Line.
Compared with prior art, the present invention solves the black of fire generation by the transparent shelter of setting several layers
Dense smoke stops survivor's sight, and influences the problem of survivor escapes rapidly, and be conducive to survivor quickly flees from the scene of a fire, improves
The escape rate of survivor substantially reduces harm caused by fire.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is the decomposition texture schematic diagram of canister in the present invention.
Fig. 3 is the three-dimensional cutaway view of the decomposition texture of canister in the present invention.
Fig. 4 is the decomposition texture cross-sectional view of canister in the present invention.
Fig. 5 is the structural schematic diagram of adsorption piece in the present invention.
In figure:
Head-shield -1；Canister -2；First tank body -21；First external screw thread -211；
First spiral through-hole -212；Second spiral through-hole -213；First through hole -214；
Second through-hole -215；Second tank body -22；First internal screw thread -221；
Second tank body cavity -222；Drying layer -2221；Cotton layer -2222；
Active carbon layer -2223；Particulate filter -2224；Second internal screw thread -223；
Third tank body -23；Interconnecting piece -231；Second external screw thread -2311；
Storage part -232；Water outlet -2321；Shaft -2322；
Cloth roll -2323；Filter house -233；Guide portion -234；
Second bar shaped notch -2341；Filter chamber -2331；First blow vent -2332；
Second blow vent -2333；First bar shaped notch -2334；Transparent big eye window -3；
Transparent shelter -31；Tear tape -32；One-way exhaust valve -4；Whistle structural portion -41；
Adsorption piece -5；Handle -51；Flexible shaft -52；Bristle -53.
Specific embodiment
In order to further explain the technical solution of the present invention, being explained in detail below by specific embodiment the present invention
It states.
As shown in Figs. 1-5, a kind of filtering type saving oneself respirator, wherein the filtering type saving oneself respirator packet
Head-shield 1 and canister 2 are included, the canister 2 is located on head-shield 1, and the head-shield 1 is equipped with transparent big eye window 3, described transparent big
The outer surface of eye window 3 is sticked and has the transparent shelter 31 of several layers, and the head-shield 1 is equipped with what area from inside to outside became larger
Stepped recesses (not shown), the transparent shelter 31 of several layers are sequentially overlapped matching from inside to outside and are sticked in stepped recesses, and thoroughly
The area of bright shelter 31 is successively become larger by internal layer outer layers, between the transparent shelter 31 viscosity from inside to outside by
Gradual change is small so that can effectively be avoided in the transparent shelter 31 for outer layer of tearing the transparent shelter 31 of internal layer also together by
It tears, ensure that each transparent shelter 31 can be effectively utilized.And it is all provided on each layer of transparent shelter 31
There is tear tape 32, therefore, can quickly be torn by tear tape 32 and be adsorbed with the transparent shelter 31 of black particle, when increasing escape
Between.
Occur and generate a large amount of black dense smoke in fire, survivor escapes by being worn by filtering type saving oneself respirator
It is raw.Due to the transparent shelter 31 for the several layers that are sticked on transparent big eye window 3, so that encountering transparent shelter black smoke is dense
31, and make survivor that can not see escape environment clearly after being attached to transparent 31 the preceding paragraph time of shelter, influence best-effort path
When judgement.By outermost transparent shelter 31 of tearing, thus allow be attached to it is black on the transparent shelter 31 of outermost layer
Coloured particles object is also removed with transparent shelter 31, and then sees fire hazard environment clearly again by transparent big eye window 3, shines right one at the moment
Newly, and rapidly according to fire condition around, correct escape route is selected rapidly.Moreover, transparent shelter 31 has multilayer, needing
When longer time being wanted to escape, the transparent shelter 31 of black particle object can be attached with by multiple tearing also to remove black
Grain object blocks sight.Transparent shelter 31 can be transparent sheet glass-film, since transparent sheet glass-film will reach higher
Temperature can just be dissolved, the temperature in the scene of a fire can not reach the temperature that transparent sheet glass-film dissolves and therefore pass through thin transparent
The setting of sheet glass film will also effectively avoid influence of the high temperature of scene of fire to transparent shelter 31.
It preferably, is to be fixedly connected with canister 2 due to the head-shield 1 in existing filtering type breather for fire fighting, canister 2
Interior filter noxious material just loses effect after being consumed.So existing filtering type breather for fire fighting be it is disposable, make
Used filtering type breather for fire fighting will be dropped, to cause the biggish wasting of resources.And in order to allow resource more to be filled
The utilization divided.Then, the canister 2 includes the first tank body 21 and the second tank body 22, one end of first tank body 21 and head
1 connection of cover, the other end of first tank body 21 are detachably connected with the second tank body 22, first tank body 21, the second tank body
22 and head-shield 1 be interconnected, one end that first tank body 21 is connect with the second tank body 22 is equipped with the first external screw thread 211, institute
It states one end that the second tank body 22 is connect with the first tank body 21 and is equipped with the first internal screw thread 221 to match with the first external screw thread 211.It is logical
The threaded connection setting for crossing the first tank body 21 and the second tank body 22, enables the second tank body 22 to separate from the first tank body 21.
Because second tank body 22 is equipped with the second tank body cavity 222, include in the second tank body cavity 222 according to
Drying layer 2221, cotton layer 2222, active carbon layer 2223, particulate filter 2224, active carbon layer 2223, the cotton layer 2222 of secondary setting
And drying layer 2221.It, can be by more renewing so after filtering type saving oneself respirator of the invention is previously used
Second tank body 22 so that the second tank body 22 has the function of filter poison and filtering again, and removes the other parts of the second tank body 22
It can be reused in the case where not being badly damaged, so that resource be greatly saved, only need the second tank of production of mass
Body 22 is the demand for being able to satisfy market.In second tank body cavity 222 by symmetrically arranged drying layer 2221, cotton layer 2222,
Active carbon layer 2223, particulate filter 2224, active carbon layer 2223, cotton layer 2222 and drying layer 2221, and further function as pair
It is also convenient for the installation of the second tank body 22 while the filtering disinfection of smog, the second tank body 22 is avoided and makes the due to setup error
The generation for the problem of two tank bodies 22 lose sterifiltered function.
Preferably, in order to further be filtered to the particulate matter in air, toxic dense smoke is reduced to survivor's
It influences.Therefore, first tank body 21 is equipped with the first spiral through-hole 212, first through hole 214 and adsorption piece 5, first spiral shell
Axial direction setting of the through-hole 212 along the first tank body 21 is revolved, the first spiral through-hole 212 is connected to the second tank body 22 and head-shield 1, described
First through hole 214 is located at the end of the first tank body 21, and the first through hole 214 is connected to extraneous and the first spiral through-hole 212, described
Adsorption piece 5 passes through the matching of first through hole 214 and extend into the first spiral through-hole 212；The adsorption piece 5 includes handle 51, flexibility
Axis 52 and several bristles 53, the flexible shaft 52 are connect with handle 51, several bristles 53 are located on flexible shaft 52.Pass through
The setting of first spiral through-hole 212, and in the case where breathing the suction to dense smoke, it is passed through again through the filtered air of the second tank body 22
Certain centrifugal force will be will receive during first spiral through-hole 212, so that the particulate matter contained in air will glue
It is attached in the first spiral through-hole 212, to play further filtration.Also, by adding on the bristle 53 of adsorption piece 5
Add viscose glue (not shown), then adsorption piece 5 is extend into the first spiral through-hole 212, to play further in air
The suction-operated of particle.
Preferably, the second spiral through-hole 213 and the second through-hole 215, second spiral shell are additionally provided on first tank body 21
Axial direction setting of the through-hole 213 along the first tank body 21 is revolved, the spiral surrounding of the second spiral through-hole 213 is in the first spiral through-hole
212 inner circumferential, second through-hole 213 are located at the end of the first tank body 21, and second through-hole 215 is connected to extraneous and the second spiral shell
Through-hole 213 is revolved, there are two the adsorption pieces 5, and an adsorption piece 5 is extend into the first spiral through-hole 212 by first through hole 214,
Another adsorption piece 5 passes through the matching of the second through-hole 215 and extend into the second spiral through-hole 213.Pass through the second spiral through-hole 213
Setting, when the second spiral through-hole 213 has the function as the first spiral through-hole 212, also makes in the first spiral through-hole 212
Under interaction with the second spiral through-hole 213, the flow of the first tank body 21 of process of air ensure that, so that survivor has
Sufficient air.
Preferably, in order to which the dense smoke further generated to fire is filtered, it is further ensured that the safety of survivor
Escape.Therefore, third tank body 23 is additionally provided on the canister 2, the third tank body 23 is threadedly coupled with the second tank body 22, institute
It states the second tank body 22 and is equipped with the second internal screw thread 223 far from one end of the first tank body 21, the third tank body 23 includes interconnecting piece
231, storage part 232, filter house 233 and guide portion 234, the filter house 233 are equipped with filter chamber 2331, the first blow vent
2332, the second blow vent 2333 and the first bar shaped notch 2334, the filter chamber 2331 are located at the inside of filter house 233, institute
It states the first blow vent 2332 and the second blow vent 2333 is symmetricly set on the front-rear direction of filter house 233, and the first blow vent
2332, filter chamber 2331 and the second blow vent 2333 are sequentially communicated, and the first bar shaped notch 2334 is located at a left side for filter house 233
Right two sides are simultaneously connected to filter chamber 2331, and the interconnecting piece 231 is located at the rear portion of filter house 233 and connects with the second blow vent 2333
Logical, the outer surface of the interconnecting piece 231 is equipped with the second external screw thread 2311 to match with the second internal screw thread 223.In second
The cooperation of screw thread 223 and the second external screw thread 2311 realize the connection of the second tank body 22 and third tank body 23 with separate.
The storage part 232 and guide portion 234 are located at the left and right sides of filter house 233, and the storage part 232 passes through
First bar shaped notch 2334 of side is connected to filter chamber 2331 on filter house 233, and the guide portion 234 passes through filter house 233
On the first bar shaped notch 2334 of the other side be connected to filter chamber 2331, be additionally provided in the guide portion 234 and the first bar shaped
The second bar shaped notch 2341 that notch 2334 is correspondingly arranged, the storage part 232 are equipped with vertical with the first bar shaped notch 2334
The water outlet 2321 of setting, the inside of the storage part 232 are additionally provided with shaft 2322, are arranged with cloth roll in the shaft 2322
2323, the cloth in the cloth roll 2323 sequentially passes through the first bar shaped notch 2334, filter chamber 2331, from storage part 232
One bar shaped notch 2334, guide portion and the second bar shaped notch 2341, the storage part 232 are provided with aqueous solution (not shown).
Third tank body 23 when in use, first passes through the vertical shape for being located above the rotation of third tank body 23 to guide portion 234
State is then filled the water by the second bar shaped notch 2341, so that passing through the first bar shaped notch 2334, filter chamber 2331, the first bar shaped
The cloth of notch 2334, guide portion 234 and the second bar shaped notch 2341 soaks, and aqueous solution continue injection under, aqueous solution
It will be stored in storage part 232, to will also soak cloth roll 2323.Followed by by 22 spiral shell of third tank body 23 and the second tank body
Line connection, air passed through the first blow vent 2332 before this and enter second by the second blow vent 2333 again after the cloth soaked
Tank body 22.The cloth soaked plays preliminary scavenging effect to solid particle in black dense smoke, and in filter chamber 2331
The cloth that soaks adhered to more substance and almost reached saturation, when no longer there is adsorption capacity, by pulling across the
Cloth on two bar shaped notch 2341 so that cloth roll 2323 unreels, and then was moved to by the new cloth in storage part 232
In filter chamber 2331, and from making the cloth in filter chamber 2331 have adsorption function again.
Also, the first bar shaped notch 2334, the second bar shaped notch 2341 and cloth roll 2323 have several, therefore empty
Gas will pass through being filtered for multiple times for multilayer cloth when passing through filter chamber 2331, to greatly improve filter effect.
Preferably, it since part survivor is nervous during escape, or cannot clearly distinguish because dense smoke is larger
Clear escape route and be confined among the scene of a fire, and in order to be rescued, fire fighter is allowed to understand the position of oneself.Therefore, described
One-way exhaust valve 4 is additionally provided on head-shield 1, the one-way exhaust valve 4 is located at the side of head-shield 1, also sets on the one-way exhaust valve 4
There is whistle structural portion 41.Gas enters whistle structural portion 41 after the discharge of one-way exhaust valve 4 when passing through expiration, and gas is by the whistle
Minor structure portion 41 and generate whistle, can not cry out lustily for help when to solving survivor with filtering type saving oneself respirator or
Call for help the lesser problem of sound.
Above-described embodiment and schema and non-limiting product form and style of the invention, any technical field it is common
The appropriate changes or modifications that technical staff does it all should be regarded as not departing from patent category of the invention.
Claims (6)
1. a kind of filtering type saving oneself respirator, which is characterized in that a kind of filtering type saving oneself respirator, wherein described
Filtering type saving oneself respirator includes head-shield and canister, and the canister is located on head-shield, and the head-shield is equipped with transparent
Big eye window, the outer surface of the transparent big eye window are sticked and have the transparent shelter of several layers, and the head-shield is equipped with from inside to outside
The stepped recesses that area becomes larger, several layers shelter are sequentially overlapped matching from inside to outside and are sticked in stepped recesses, and thoroughly
Bright shelter is successively become larger by internal layer outer layers, and the viscosity between the transparent shelter gradually becomes smaller from inside to outside, often
Tear tape is equipped on one layer of transparent shelter.
2. a kind of filtering type saving oneself respirator as described in claim 1, which is characterized in that the canister includes first
One end of tank body and the second tank body, first tank body is connect with head-shield, and the other end and the second tank body of first tank body can
Dismantling connection, first tank body, the second tank body and head-shield are interconnected, first tank body connect with the second tank body one
End is equipped with the first external screw thread, and one end that second tank body is connect with the first tank body is equipped with first to match with the first external screw thread
Internal screw thread, second tank body are equipped with the second tank body cavity, include in the second tank body cavity the drying layer set gradually,
Cotton layer, active carbon layer, particulate filter, active carbon layer, cotton layer and drying layer.
3. a kind of filtering type saving oneself respirator as claimed in claim 2, which is characterized in that first tank body is equipped with
First spiral through-hole, first through hole and adsorption piece, axial direction setting of the first spiral through-hole along the first tank body, first spiral shell
It revolves through-hole and is connected to the second tank body and head-shield, the first through hole is located at the end of the first tank body, and the first through hole connection is extraneous
With the first spiral through-hole, the adsorption piece passes through first through hole matching and extend into the first spiral through-hole；The adsorption piece includes
Handle, flexible shaft and several bristles, the flexible shaft are connect with handle, several bristles are located on flexible shaft, the brush
Viscose glue is coated on hair.
4. a kind of filtering type saving oneself respirator as claimed in claim 3, which is characterized in that also set on first tank body
There are the second spiral through-hole and the second through-hole, the second spiral through-hole is arranged along the axial direction of the first tank body, and second spiral is logical
For the spiral surrounding in hole in the inner circumferential of the first spiral through-hole, second through-hole is located at the end of the first tank body, second through-hole
Connection is extraneous and the second spiral through-hole, the adsorption piece pass through the matching of the second through-hole and extend into the second spiral through-hole.
5. a kind of filtering type saving oneself respirator as claimed in claim 4, which is characterized in that be additionally provided on the canister
Third tank body, the third tank body are threadedly coupled with the second tank body, and second tank body is equipped with the far from one end of the first tank body
Two internal screw threads, the third tank body include interconnecting piece, storage part, filter house and guide portion, and the filter house is equipped with filtering
Chamber, the first blow vent, the second blow vent and the first bar shaped notch, the filter chamber are located at the inside of filter house, and described first
Blow vent and the second blow vent are symmetricly set on the front-rear direction of filter house, and the first blow vent, filter chamber and the second blow vent
It is sequentially communicated, the first bar shaped notch is located at the left and right sides of filter house and is connected to filter chamber, and the connecting portion is in mistake
The rear portion in filter portion is simultaneously connected to the second blow vent, and the outer surface of the interconnecting piece is equipped with outside second to match with the second internal screw thread
Screw thread；
The storage part and guide portion are located at the left and right sides of filter house, and the storage part passes through the of side on filter house
One bar shaped notch is connected to filter chamber, and the guide portion is connected by the first bar shaped notch and filter chamber of the other side on filter house
It is logical, be additionally provided with the second bar shaped notch being correspondingly arranged with the first bar shaped notch in the guide portion, the storage part be equipped with
The first vertically disposed water outlet of bar shaped notch, the inside of the storage part are additionally provided with shaft, are arranged with cloth in the shaft
It rolls up, the cloth in the cloth roll sequentially passes through the first bar shaped notch, filter chamber, the first bar shaped notch, guide portion from storage part
With the second bar shaped notch, the storage part is provided with aqueous solution.
6. a kind of filtering type saving oneself respirator as described in claim 1, which is characterized in that be additionally provided with list on the head-shield
To exhaust valve, the one-way exhaust valve is located at the side of head-shield, is additionally provided with whistle structural portion on the one-way exhaust valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811507295.6A CN109621245B (en) | 2018-12-11 | 2018-12-11 | Filtration formula fire control respirator of saving oneself |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811507295.6A CN109621245B (en) | 2018-12-11 | 2018-12-11 | Filtration formula fire control respirator of saving oneself |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109621245A true CN109621245A (en) | 2019-04-16 |
| CN109621245B CN109621245B (en) | 2021-03-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811507295.6A Active CN109621245B (en) | 2018-12-11 | 2018-12-11 | Filtration formula fire control respirator of saving oneself |
Country Status (1)
| Country | Link |
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| CN (1) | CN109621245B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| RU206435U1 (en) * | 2021-07-21 | 2021-09-13 | Сергей Владимирович Давыдов | ANTI-AEROSOL MASK |
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| CN207202132U (en) * | 2017-09-11 | 2018-04-10 | 北京化工大学 | A kind of haze-proof mask of replaceable filter core |
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