CN210384618U - Special double-deck filtration formula gas mask of fire fighter - Google Patents
Special double-deck filtration formula gas mask of fire fighter Download PDFInfo
- Publication number
- CN210384618U CN210384618U CN201921205926.9U CN201921205926U CN210384618U CN 210384618 U CN210384618 U CN 210384618U CN 201921205926 U CN201921205926 U CN 201921205926U CN 210384618 U CN210384618 U CN 210384618U
- Authority
- CN
- China
- Prior art keywords
- mask
- canister
- mask body
- melt
- layer
- 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.)
- Active
Links
Images
Abstract
The utility model discloses a double-layer filtering type gas mask special for firemen, which comprises a mask body, a canister unit and a sealing cover; the middle part of the mask body is provided with goggles, the lower end of the inner side surface of the mask body is provided with a rubber half mask, the side surface of the mask body is provided with a one-way air outlet valve, and the one-way air outlet valve is communicated with the inside of the rubber half mask; canister unit includes one-way admission valve, the canister body, first melt-blown fabric, activated carbon layer, metal mesh, chemical detoxification medicament layer, second melt-blown fabric and one-way ventilated membrane, the canister body is established at the lower extreme of mask body side, and the rear end of the canister body passes the side and the half face guard intercommunication of rubber of mask body, and this special double-deck filtration formula gas mask of fireman can carry out the layering with activated carbon and the toxin filtering material in the canister and fix, prevents to rock inside activated carbon and the toxin filtering material of back and mixes and reduce the toxicity of straining of mask.
Description
Technical Field
The utility model relates to a fire control protective equipment technical field specifically is a special double-deck filtration formula gas mask of fireman.
Background
The filtering type fire fighting mask is a respirator mask for fire fighting escape, and is a hotel, an office building, a market, a bank, a post and telecommunications, electric power, a public entertainment place, a factory, a house, a subway and the like when fire accidents occur, a necessary personal protection respiratory protection device is provided, toxic gas is a main factor influencing the rescue of firemen on the scene of fire, active carbon and toxic filter substances in the canister of the existing filtering type fire fighting mask are not fixed, so that the active carbon and the toxic filter substances are mixed after violent movement, the adsorbability of the active carbon is reduced, the toxic filter of the toxic filter substances is reduced, and most of the existing fire fighting masks are not damp-proof.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide a special double-deck filtration formula gas mask of fire fighter, can carry out the layering with the active carbon in the canister and strain the poison material and fix, prevent to rock the inside active carbon of back and strain the poison material and mix and reduce the filtration toxicity of mask, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a double-layer filtering gas mask special for firemen comprises a mask body, a canister unit and a sealing cover;
the mask body: the middle part of the mask body is provided with goggles, the lower end of the inner side surface of the mask body is provided with a rubber half mask, the side surface of the mask body is provided with a one-way air outlet valve, and the one-way air outlet valve is communicated with the inside of the rubber half mask;
canister unit: the canister unit comprises a one-way air inlet valve, a canister body, a first melt-blown fabric, an activated carbon layer, a metal mesh, a chemical detoxification agent layer, a second melt-blown fabric and a one-way air permeable membrane, the canister body is arranged at the lower end of the side face of the mask body, the rear end of the canister body penetrates through the side face of the mask body and is communicated with the rubber half-face cover, the one-way air inlet valve is arranged at the middle part of the front side face of the canister body and is communicated with the inside of the canister body, the first melt-blown fabric is arranged at the front end of the inside of the canister body, the side face of the first melt-blown fabric is fixedly connected with the inner side face of the canister body, the activated carbon layer is arranged at the front end of the inside of the canister body and is positioned at the rear side of the first melt-blown fabric, the chemical detoxification agent layer is arranged at the middle part of the inside of the canister body and is positioned at the rear side of the activated carbon layer, the second melt-blown fabric is arranged at, and the second melt-blown fabric is positioned at the rear side of the chemical detoxification agent layer, the one-way breathable film is arranged at the rear end inside the canister body, the side surface of the one-way breathable film is fixedly connected with the inner side surface of the canister body, five metal meshes are arranged, the side surfaces of the five metal meshes are fixedly connected with the inner side surface of the canister body, and the five metal meshes are respectively positioned at the rear sides of the first melt-blown fabric, the activated carbon layer, the chemical detoxification agent layer, the second melt-blown fabric and the one-way breathable film.
Sealing the cover: the front end threaded connection of sealed lid and the poison filtering tank body can carry out the layering with activated carbon layer and chemical detoxification medicament layer through the metal mesh and fix, has effectively avoided rocking back activated carbon and detoxification medicament mix and reduce the toxicity of straining of gas mask to can effectively prevent the material in the poison filtering tank to wet through the cooperation of one-way ventilated membrane and sealed lid when not using.
Further, still include alarm lamp, battery and switch, the alarm lamp is established at the top of mask body, the top at the mask body is established to the battery, the switch is established in the side of battery, and the output of battery is connected with the input electricity of switch, the output of switch is connected with the input electricity of alarm lamp, can discern the firefighter under dense smoke through the alarm lamp.
Furthermore, the mask comprises a head band, two lock buckles, two elastic buckle belts and a lock head, wherein the head band is arranged at the top of the mask body, one ends of the two elastic buckle belts are arranged on the side face of the mask body, the other ends of the two elastic buckle belts are respectively provided with the lock buckles and the lock head, the lock buckles correspond to the lock heads, and the mask can be conveniently worn by a fireman through the head band and the elastic buckle belts.
Further, still include the sealing rubber circle, the trailing flank at the mask body is established to the sealing rubber circle, can prevent the poisonous flue gas and directly get into respiratory organ through the route beyond the canister behind the wearing mask through the sealing rubber circle.
Further, still include the intercom, the intercom is established at the medial surface of mask body, and the input of intercom is connected with the output electricity of switch, can be in the thick cigarette convenient communication between the firefighter through the intercom.
Compared with the prior art, the beneficial effects of the utility model are that: this special double-deck filtration formula gas mask of fireman has following benefit:
1. can carry out the layering with activated carbon layer and chemical detoxification medicament layer through the metal mesh and fix, effectively avoided rocking back activated carbon and detoxification medicament mix and reduce gas mask's strain toxicity to can effectively prevent through the cooperation of one-way ventilated membrane and sealed lid that the material in the strain poison jar from weing when not using.
2. Can discern the fireman under dense cigarette through the alarm lamp, can make things convenient for the interchange between the fireman through the intercom.
3. Can prevent the poisonous flue gas to directly get into respiratory organ through the route beyond the canister after wearing the mask through the sealing rubber circle, can make things convenient for the wearing of fire fighter through bandeau and elastic buckle area.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of the back structure of the present invention;
fig. 3 is a schematic view of the cross-sectional structure of the canister body of the present invention.
In the figure: the mask comprises a mask body 1, a canister unit 2, a one-way air inlet valve 21, a canister body 22, a first melt-blown fabric 23, an activated carbon layer 24, a metal mesh 25, a chemical detoxification medicament layer 26, a second melt-blown fabric 27, a one-way air permeable membrane 28, a sealing cover 3, a one-way air outlet valve 4, goggles 5, an alarm lamp 6, a storage battery 7, a switch 8, a headband 9, a sealing rubber ring 10, a rubber half mask 11, a lock catch 12, an elastic buckle belt 13, a lock head 14 and a communicator 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a special double-layer filtering gas mask for firemen comprises a mask body 1, a canister unit 2 and a sealing cover 3;
mask body 1: the middle part of the mask body 1 is provided with goggles 5, the lower end of the inner side surface of the mask body 1 is provided with a rubber half mask 11, the side surface of the mask body 1 is provided with a one-way air outlet valve 4, and the one-way air outlet valve 4 is communicated with the inside of the rubber half mask 11;
canister unit 2: the canister unit 2 comprises a one-way air inlet valve 21, a canister body 22, a first melt-blown fabric 23, an activated carbon layer 24, a metal mesh 25, a chemical detoxifying agent layer 26, a second melt-blown fabric 27 and a one-way air-permeable membrane 28, wherein the canister body 22 is arranged at the lower end of the side surface of the mask body 1, the rear end of the canister body 22 passes through the side surface of the mask body 1 to be communicated with the rubber half mask 4, the one-way air inlet valve 21 is arranged in the middle of the front side surface of the canister body 22, the one-way air inlet valve 21 is communicated with the inside of the canister body 22, the first melt-blown fabric 23 is arranged at the front end of the inside of the canister body 22, the side surface of the first melt-blown fabric 23 is fixedly connected with the inner side surface of the canister body 1, the activated carbon layer 24 is arranged at the front end of the inside of the canister body 22, the activated carbon layer 24 is positioned at the rear side of the first melt-blown fabric 23, the chemical detoxifying agent layer 26 is arranged in the middle of the inside of the, the second melt-blown cloth 27 is arranged at the rear end inside the canister body 22, the second melt-blown cloth 27 is positioned at the rear side of the chemical detoxification medicament layer 26, the unidirectional breathable film 28 is arranged at the rear end inside the canister body 22, the side surface of the unidirectional breathable film 28 is fixedly connected with the inner side surface of the canister body 22, five metal meshes 25 are arranged, the side surfaces of the five metal meshes 25 are fixedly connected with the inner side surface of the canister body 22, and the five metal meshes 25 are respectively positioned at the rear sides of the first melt-blown cloth 23, the activated carbon layer 24, the chemical detoxification medicament layer 26, the second melt-blown cloth 27 and the unidirectional breathable film 28.
And (3) sealing cover: the sealing cover 3 is in threaded connection with the front end of the canister body 22, the activated carbon layer 24 and the chemical detoxification medicament layer 26 can be fixed in a layered mode through the metal mesh 25, the situation that the activated carbon and the chemical detoxification medicament are mixed after shaking to reduce the toxicity of the gas mask is effectively avoided, and when the gas mask is not used, substances in the canister can be effectively prevented from being affected with damp through the cooperation of the one-way gas-permeable membrane 28 and the sealing cover 3.
Wherein: still include alarm lamp 6, battery 7 and switch 8, alarm lamp 6 establishes at the top of mask body 1, and battery 7 establishes at the top of mask body 1, and switch 8 establishes in the side of battery 7, and the output of battery 7 is connected with switch 8's input electricity, and switch 8's output is connected with alarm lamp 6's input electricity, can discern the firefighter under dense smoke through alarm lamp 6.
Wherein: the mask comprises a mask body 1 and is characterized by further comprising a head band 9, two lock catches 12, two elastic buckle belts 13 and a lock head 14, wherein the head band 9 is arranged at the top of the mask body 1, the two elastic buckle belts 13 are arranged, one ends of the two elastic buckle belts 13 are arranged on the side face of the mask body 1, the lock catches 12 and the lock heads 14 are arranged at the other ends of the two elastic buckle belts 13 respectively, the lock catches 12 correspond to the lock heads 14, and a firefighter can wear the mask conveniently through the head band 13 and the elastic.
Wherein: the mask further comprises a sealing rubber ring 10, the sealing rubber ring 10 is arranged on the rear side face of the mask body 1, and toxic smoke can be prevented from directly entering respiratory organs through a way except for the poison filtering tank body 22 after the mask is worn through the sealing rubber ring 10.
Wherein: still include intercom 15, intercom 15 establishes at the medial surface of mask body 1, and the input of intercom 15 is connected with the output electricity of switch 8, can be in the dense cigarette convenient communication between the firefighter through intercom 15.
When in use: unscrewing the sealing cover 3, wearing the mask on the head through the headband 9, adjusting the mask to enable the rubber half-mask 11 to be positioned at the position of mouth and nose, enabling the rubber half-mask 11 to be tightly attached to the face, enabling the rubber sealing ring 10 to be attached to the face of a user, pulling the two fastening belts 14 backwards to enable the fasteners 12 to be inserted into the lock head 14, when a fireman enters a fire scene to breathe, sucking poisonous air into the canister body 22 through the one-way air inlet valve 21, primarily filtering the poisonous air through the first melt-spraying cloth 23, adsorbing impurities in the poisonous air through the activated carbon layer 24, reacting and absorbing the poisonous substances in the air through the chemical detoxification medicament layer 26, further filtering the air after detoxification through the second melt-spraying cloth 27, sucking the air into the rubber half-mask 11 to breathe and enter the body, exhausting the gas of carbon dioxide exhaled by the fireman out of the mask through the one-way air outlet valve 4, when not in use, the sealing cover 3 can be covered to prevent moist air from entering the canister body 22 from the one-way air inlet valve 21, and the other end of the canister body 22 prevents moist air from entering the canister body 22 through the one-way air-permeable membrane 28, thereby effectively preventing the active carbon layer 24 and the chemical detoxification medicament layer 26 inside from being affected with damp.
It should be noted that the communicator 15 used in this embodiment is proposed to be a bidirectional communicator of shanghai city electronic technology ltd, the specific model is 913T, the alarm lamp 6 is proposed to be a high-frequency LED signal lamp of nabo electrical appliance ltd, le qing, the specific model is TB35, and the switch 8 controls the alarm lamp 6 and the communicator 15 to operate by a method commonly used in the prior art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a special double-deck filtration formula gas mask of fireman which characterized in that: comprises a mask body (1), a canister unit (2) and a sealing cover (3);
mask body (1): the mask comprises a mask body (1), wherein goggles (5) are arranged in the middle of the mask body (1), a rubber half mask (11) is arranged at the lower end of the inner side face of the mask body (1), a one-way air outlet valve (4) is arranged on the side face of the mask body (1), and the one-way air outlet valve (4) is communicated with the inside of the rubber half mask (11);
canister unit (2): the canister unit (2) comprises a one-way air inlet valve (21), a canister body (22), first melt-blown cloth (23), an activated carbon layer (24), a metal mesh (25), a chemical detoxification medicament layer (26), second melt-blown cloth (27) and a one-way breathable film (28), the canister body (22) is arranged at the lower end of the side face of the mask body (1), the rear end of the canister body (22) penetrates through the side face of the mask body (1) to be communicated with the rubber half mask (11), the one-way air inlet valve (21) is arranged at the side face of the front end of the canister body (22), the one-way air inlet valve (21) is communicated with the inside of the canister body (22), the first melt-blown cloth (23) is arranged at the front end of the inside of the canister body (22), the side face of the first melt-blown cloth (23) is fixedly connected with the inner side face of the canister body (22), and the activated carbon layer (24) is arranged at the front end of the inside of the canister body (22), and the activated carbon layer (24) is located at the rear side of the first melt-blown cloth (23), the chemical detoxification agent layer (26) is arranged at the middle part inside the canister body (22), the chemical detoxification agent layer (26) is located at the rear side of the activated carbon layer (24), the second melt-blown cloth (27) is arranged at the rear end inside the canister body (22), the second melt-blown cloth (27) is located at the rear side of the chemical detoxification agent layer (26), the one-way breathable film (28) is arranged at the rear end inside the canister body (22), the side surface of the one-way breathable film (28) is fixedly connected with the inner side surface of the canister body (22), five metal nets (25) are arranged, the side surfaces of the five metal nets (25) are fixedly connected with the inner side surface of the canister body (22), and the five metal nets (25) are respectively located at the first melt-blown cloth (23), the activated carbon layer (24), the chemical detoxification agent layer (26), The rear side of the second meltblown fabric (27) and the unidirectional breathable film (28);
sealing cover (3): the sealing cover (3) is in threaded connection with the front end of the toxin filtering tank body (22).
2. The firefighter-specific double-layer filtering respirator of claim 1, wherein: still include alarm lamp (6), battery (7) and switch (8), establish at the top of mask body (1) alarm lamp (6), establish at the top of mask body (1) battery (7), establish in the side of battery (7) switch (8), and the output of battery (7) is connected with the input electricity of switch (8), the output of switch (8) is connected with the input electricity of alarm lamp (6).
3. The firefighter-specific double-layer filtering respirator of claim 1, wherein: still include bandeau (9), hasp (12), elasticity area (13) and tapered end (14), establish the top at mask body (1) in bandeau (9), elasticity area (13) are equipped with two, and the one end of two elasticity areas (13) and the side of mask body (1), and the other end of two elasticity areas (13) is equipped with hasp (12) and tapered end (14) respectively, and hasp (12) and tapered end (14) correspond.
4. The firefighter-specific double-layer filtering respirator of claim 1, wherein: still include sealing rubber circle (10), sealing rubber circle (10) are established at the trailing flank of mask body (1).
5. The firefighter-specific double-layer filtering respirator of claim 1, wherein: still include intercom (15), medial surface at mask body (1) is established in intercom (15), and the input of intercom (15) is connected with the output electricity of switch (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921205926.9U CN210384618U (en) | 2019-07-29 | 2019-07-29 | Special double-deck filtration formula gas mask of fire fighter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921205926.9U CN210384618U (en) | 2019-07-29 | 2019-07-29 | Special double-deck filtration formula gas mask of fire fighter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210384618U true CN210384618U (en) | 2020-04-24 |
Family
ID=70357040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921205926.9U Active CN210384618U (en) | 2019-07-29 | 2019-07-29 | Special double-deck filtration formula gas mask of fire fighter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210384618U (en) |
-
2019
- 2019-07-29 CN CN201921205926.9U patent/CN210384618U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR102267747B1 (en) | Re-breathing Apparatus for Disaster | |
| KR102173429B1 (en) | Oxygen-Enhanced Fine Dust Removal Mask | |
| KR100579691B1 (en) | Portable emergency escape smoke hood against fire and toxic gases | |
| KR101340583B1 (en) | Portable Oxygen Respiratory Apparatus | |
| KR101136999B1 (en) | Gas mask | |
| CN211513185U (en) | Respirator is used in fire control first aid | |
| CN211273237U (en) | Firefighter's new trend helmet | |
| CN112221030A (en) | Multifunctional protective mask | |
| CN210384618U (en) | Special double-deck filtration formula gas mask of fire fighter | |
| CN210384622U (en) | Protective mask for fire emergency drilling | |
| CN111194954A (en) | Recyclable multifunctional mask mainly used for epidemic prevention | |
| KR200431561Y1 (en) | Hood for Oxygen inhaler | |
| CN214713870U (en) | Anti-smoke and anti-fog mask | |
| KR20020000744A (en) | Method of manufacture for Emergency Shunt Mask | |
| CN206760880U (en) | A kind of fire hat | |
| CN212395637U (en) | Micro-positive pressure self-suction filtering type escape respirator | |
| CN2149929Y (en) | Poison-protective mouthpiece | |
| CN210747396U (en) | Dust and haze removal mask | |
| CN207203251U (en) | It is a kind of to assemble quick and good airproof performance full facepiece mask | |
| CN207101654U (en) | A kind of mining dust guard | |
| CN213096397U (en) | Helmet capable of sucking and filtering smoke | |
| CN203915813U (en) | A kind of face mask type carbon-oxygen crossover autonomous respiration device | |
| CN218248168U (en) | Oronasal mask device for fire scene rescue | |
| CN212382178U (en) | Emergency rescue fire helmet | |
| CN213941799U (en) | Bradyseism respirator for emergency clinical rescue |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |