CN205360285U - Positive pressure fire control oxygen breathing apparatus - Google Patents
Positive pressure fire control oxygen breathing apparatus Download PDFInfo
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- CN205360285U CN205360285U CN201520963059.0U CN201520963059U CN205360285U CN 205360285 U CN205360285 U CN 205360285U CN 201520963059 U CN201520963059 U CN 201520963059U CN 205360285 U CN205360285 U CN 205360285U
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Abstract
The utility model relates to a positive pressure fire control oxygen breathing apparatus, its shell is the cavity that is formed by connecting upper cover and lower cover lock, its bottom is equipped with fixed oxygen cylinder, the bottleneck of oxygen cylinder is equipped with the gas cylinder switch, the gas cylinder switch is connected by the nut with the pressure reducer, the pressure reducer passes through the tracheorrhaphy and do not connects the alarm, the oxygen gauge, the malleation spring, the AUTOMATICALLY SUPPLY AIR valve, manual aeration valve, the AUTOMATICALLY SUPPLY AIR valve passes through trachea and airbag connection, quantitative oxygen suppliment is realized through the dosing hole surely to the quantitative supply valve, satisfy user's demand, it with pass through the pipeline through manual aeration valve, the three -way valve is connected with cooling unit, the gasbag passes through the tracheorrhaphy and do not connects peace and quiet jar, cooling unit, the drain valve, peace and quiet jar and cooling tank pass through respiratory tube and connect the whole mask. The utility model discloses firmly, high temperature resistant, the free from extraneous odour, dress comfortable, safeguard convenient, breathe smoothly, field of vision rate and security performance height are the novel positive pressure fire control oxygen breathing apparatus that a quality and effect all have very big improvement.
Description
Technical field
This utility model belongs to fire-extinguishing and lifesaving field, detect suitable in fire-fighting, colliery, chemical industry, tunnel and skyscraper etc. in poisonous, harmful gas, the disaster environment rescue and relief work of anoxia, search work is worn use, relate to a kind of positive-pressure type fire-fighting oxygen breathing apparatus, particularly to the emergency survival breathing equipment of a kind of positive-pressure type oxygen, CO2 purification and freezing by change of state application.
Background technology
Positive-pressure type fire-fighting oxygen breathing apparatus is a kind of closed cycle respiratory system, CO2 in exhalation gas is absorbed by this system, and the gas after processing is lowered the temperature and is mixed into the oxygen of corresponding proportion, return to human body air-breathing afterwards again, thus forming a kind of circulatory and respiratory completely cut off completely with the external world, breathing gas can be made to recycle.
Positive-pressure type fire-fighting oxygen breathing apparatus is the personal breathing protective gear that rescue team member is indispensable, it is widely used in anoxia, anaerobic or there is operation or rescue operation in toxic and harmful environment, to ensure the healthy of rescue team member and life security, it is second life of wearer.Thus, the importance of the performance such as crashproof, heat-resisting, the wear comfort of respiratory organ, use time, air cooling effect, air purification effect is self-evident.But the positive-pressure type fire-fighting oxygen breathing apparatus of prior art exists, and shell is frangible, heatproof weak effect, air bag has abnormal flavour, dresses, safeguards that inconvenience, respiratory resistance are big, and face shield is easily atomized, needing constantly to repeat dress ice, the filling of CO2 absorbent is complicated, indivedual or multiple shortcomings such as people are choked in efflorescence.This utility model positive-pressure type fire-fighting oxygen breathing apparatus is devised for disadvantage mentioned above.
Summary of the invention
The purpose of this utility model is: provide the positive-pressure type fire-fighting oxygen breathing apparatus of a kind of improvement.nullIt comprises: gas cylinder switchs、Decompressor、Alarm、Positive pressing spring、Automatic exhaust steam valve、Breathing pipeline、Peace and quiet tank、Cooling unit、Air bag、Automatic air compensating valve、Crossbeam、Manual air compensating valve、Shell、Drain valve、Oxygen cylinder、Full facepiece mask、Weight feed valve、Three-way valve，Described shell is the cavity being fastened and connected by upper cover and lower cover，Fixing oxygen cylinder it is provided with bottom it，The bottleneck of oxygen cylinder is provided with gas cylinder switch，Gas cylinder switch is connected by nut with decompressor，Decompressor connects alarm respectively by trachea、Oxygen gauge、Positive pressing spring、Automatic air compensating valve、Manual air compensating valve，Automatic air compensating valve is connected with air bag by trachea，Weight feed valve is fixed realizes quantitative oxygen supply by dosing hole，Meet user demand，It and manual air compensating valve pass through pipeline、Three-way valve is connected with cooling unit，Air bag connects peace and quiet tank respectively by trachea、Cooling unit、Drain valve，Peace and quiet tank and cooling tank connect full facepiece mask by breathing pipeline.
Described breathing pipeline is provided with suction end and expiration end, and the inside of breathing pipeline is provided with Non-return air valve so that the flow direction of air-flow is again to the one-way flow of absorbent tank from cooling tank to face shield.
Described peace and quiet tank is provided with automatic exhaust steam valve and is discharged by excessive gas.
Described air bag is externally provided with crossbeam.
Described cooling unit is that non-maintaining room temperature high-efficiency cooling media chiller (patent No.: ZL201210591113.4) adopts high-efficiency coolant material, and novel all-in-one designs.Using quick, whole take by whole, easy maintenance is without extra ice, it is not necessary to freezing.
Described peace and quiet tank is that super peace and quiet CO2 absorbs quick integral-filled unit, is provided with the lid of buckle-type, does not use extracting tool just can easily change absorbent；Select the special fabric through special handling by absorbent modular package, whole by whole taking, overall filling, convenient and swift.The packing speed solving conventional prose style free from parallelism fill and cause is slow, absorbent breaks up, dust chokes the problems such as people, reduces respiratory resistance.
Described enclosure material is composite high temperature resistant, high intensity, and complete machine, through 1000 DEG C of flame assays, still can reach the respiratory protection performance of Standard after burning 8 seconds.
Described full facepiece mask is the big visual field from antifogging and abrasive full facepiece mask, adopts nanometer anti-fog material to make, it is not necessary to timing is sprayed antifoggant and installs antifogging brush, is effectively prevented the situation that what soldier produced in operation process antiperspirant gas causes the visual field to obscure；Design according to shape of face, there is double-layer seal limit and can be well matched with different shape of face, it is ensured that wearing of user safety；International advanced high-abrasive material integrated molding, visual field rate reaches more than 93%, no visual metaboly, it is prevented that long-term friction causes face shield smudgy；
Described braces is that fire proofing is made, and is furnished with reflecting marking, it is simple to recognize in dark, improves safety；Braces meets ergonomic designs, improves comfortableness.
Described oxygen cylinder is 2.5L carbon fiber Large Copacity oxygen cylinder.
Described air bag is big volume malleation air bag, material is better, volume is bigger, breathe stagnant gas problem more resistant to aging preventing, employing the beneficial effects of the utility model are, firmly, high-low temperature resistant, free from extraneous odour, wearing comfort, easy to maintenance, breathe smooth and easy, visual field rate and security performance are high, are a kind of quality and the effect Novel positive pressure formula fire-fighting oxygen breathing apparatuses that all have greatly raising.
Accompanying drawing explanation
Fig. 1 is the internal structure schematic diagram of a kind of positive-pressure type fire-fighting oxygen breathing apparatus of this utility model；
Fig. 2 is the generalized section of the A-A of Fig. 1.
In figure, 1-gas cylinder switchs, 2-decompressor, 3-alarm, the positive pressing spring of 4-, 5-automatic exhaust steam valve, 6-breathing pipeline, the peace and quiet tank of 7-, 8-cooling unit, 9-air bag, 10-automatic air compensating valve, 11-crossbeam, 12-manual air compensating valve, 13-shell, 14-drain valve, 15-oxygen cylinder, 16-full facepiece mask, 17-oxygen gauge, 18-braces, 19-weight feed valve, 20-three-way valve
Detailed description of the invention
The explanation of embodiment is done below in conjunction with accompanying drawing.
A kind of positive-pressure type fire-fighting oxygen breathing apparatus, it comprises: gas cylinder switch 1, decompressor 2, autoalarm 3, positive pressing spring 4, automatic exhaust steam valve 5, breathing pipeline 6, absorbent tank 7, cooling tank 8, air bag 9, automatic air compensating valve 10, bracing frame 11, manual air compensating valve 12, shell 13, drain valve 14, gas cylinder 15, face shield 16 oxygen gauge 17, braces 18, quantitative aeration valve 19, three-way valve 20；Described shell 13 is the encirclement being fastened and connected by upper cover, lower cover and the cavity protecting its internal components, is provided with fixing oxygen cylinder 15 bottom it；Gas cylinder 15 is that capacity 2.5L high strength fibre is wound around high-pressure oxygen cylinder, and the bottleneck of oxygen cylinder 15 is provided with gas cylinder switch 1, and the oxygen that gas cylinder switch 1 can control in gas cylinder 15 flows out；Gas cylinder switch 1 is connected by nut with decompressor 2, and decompressor 2 cushions from gas cylinder 15 hyperbaric oxygen air-flow out, and decompressor 2 passes through trachea and connects alarm 3, oxygen gauge 16, positive pressing spring 4, automatic air compensating valve 10, manual air compensating valve 12, oxygen gauge 17 respectively；Reporting to the police when oxygen pressure in alarm 3 is too low, caution wear personnel's oxygen surplus is less；Automatic air compensating valve 10 is the switch valve that automatic oxygen flows out, and they are connected with air bag 9 by trachea；Weight feed valve 19 realizes quantitative oxygen supply by dosing hole and meets user demand, it is connected with cooling unit 8 by pipeline, three-way valve 20 with manual air compensating valve 12, big volume air bag selected by air bag 9, volume is bigger more resistant to aging, and air bag 9 connects peace and quiet tank 7, cooling unit 8, drain valve 14 respectively by trachea；Peace and quiet tank 7 and cooling unit 8 store carbon-dioxide absorbent and normal-temperature efficient coolant material respectively, and both of which is fixed on shell 13, and peace and quiet tank 7 and cooling unit 8 connect full facepiece mask 16 by breathing pipeline 6；Face shield 16 is worn on face, for making employment provide oxygen containing air.
Described breathing pipeline 6 is provided with suction end and expiration end, suction end connects cooling unit 8, expiration end connects peace and quiet tank 7, and the inside of breathing pipeline 6 is provided with Non-return air valve so that the flow direction of air-flow is again to the one-way flow of peace and quiet tank 7 from cooling unit 8 to full facepiece mask 16.
Described peace and quiet tank 7 is provided with automatic exhaust steam valve 5 and is discharged by excessive gas.
In described peace and quiet tank 7, two ends are provided with absorbent filter screen up and down so that the absorbent in peace and quiet tank 7 will not enter air bag 9.
Described air bag 9 is externally provided with crossbeam 11 and protects air bag not to be stressed and break.
Described cooling unit 8 adopts high-efficiency coolant material for non-maintaining room temperature high-efficiency cooling media chiller (patent No.: ZL201210591113.4), and novel all-in-one designs.Using quick, whole take by whole, easy maintenance is without extra ice, it is not necessary to freezing.
Described absorbent tank 7 is provided with the lid of buckle-type, does not use extracting tool just can easily change absorbent；Select the special fabric through special handling by absorbent modular package, whole by whole taking, overall filling, convenient and swift.The packing speed solving conventional prose style free from parallelism fill and cause is slow, absorbent breaks up, dust chokes the problems such as people, reduces respiratory resistance.
Described shell 13 material is composite high temperature resistant, high intensity, and complete machine, through 1000 DEG C of flame assays, still can reach the respiratory protection performance of Standard after burning 8 seconds.
Described full facepiece mask 16 is the big visual field from antifogging and abrasive full facepiece mask, adopts nanometer anti-fog material to make, it is not necessary to timing is sprayed antifoggant and installs antifogging brush, is effectively prevented the situation that what soldier produced in operation process antiperspirant gas causes the visual field to obscure；Design according to shape of face, there is double-layer seal limit and can be well matched with different shape of face, it is ensured that wearing of user safety；International advanced high-abrasive material integrated molding, visual field rate reaches more than 93%, no visual metaboly, it is prevented that long-term friction causes face shield smudgy；
Described braces 18 is made for fire proofing, and is furnished with reflecting marking, it is simple to recognize in dark, improves safety；Braces meets ergonomic designs, improves comfortableness.
Described oxygen cylinder 15 is 2.5L carbon fiber Large Copacity oxygen cylinder.
Described air bag 9 is big volume malleation air bag, and material is better, volume is bigger, breathe stagnant gas problem more resistant to aging preventing.
Claims (9)
1. a positive-pressure type fire-fighting oxygen breathing apparatus, it comprises: gas cylinder switch (1), decompressor (2), autoalarm (3), positive pressing spring (4), automatic exhaust steam valve (5), breathing pipeline (6), absorbent tank (7), cooling tank (8), air bag (9), automatic air compensating valve (10), bracing frame (11), manual air compensating valve (12), shell (13), drain valve (14), gas cylinder (15), face shield (16) oxygen gauge (17), braces (18), quantitative aeration valve (19), three-way valve (20)；Described shell (13) is the encirclement being fastened and connected by upper cover, lower cover and the cavity protecting its internal components, is provided with fixing oxygen cylinder (15) bottom it；Gas cylinder (15) is that capacity 2.5L high strength fibre is wound around high-pressure oxygen cylinder, and the bottleneck of oxygen cylinder (15) is provided with gas cylinder switch (1), and gas cylinder switch (1) can control the oxygen in gas cylinder (15) and flow out；Gas cylinder switch (1) is connected by nut with decompressor (2), decompressor (2) buffering is from gas cylinder (15) hyperbaric oxygen air-flow out, and decompressor (2) connects alarm (3), oxygen gauge (17), positive pressing spring (4), automatic air compensating valve (10), manual air compensating valve (12) respectively by trachea；Reporting to the police when oxygen pressure in alarm (3) is too low, caution wear personnel's oxygen surplus is less；The switch valve that automatic air compensating valve (10) flows out for automatic oxygen, they are connected with air bag (9) by trachea；Weight feed valve (19) realizes quantitative oxygen supply by dosing hole and meets user demand, it is connected with cooling unit (8) by pipeline, three-way valve (20) with manual air compensating valve (12), big volume air bag selected by air bag (9), volume is bigger more resistant to aging, and air bag (9) connects peace and quiet tank (7), cooling unit (8), drain valve (14) respectively by trachea；Peace and quiet tank (7) and cooling unit (8) store carbon-dioxide absorbent and normal-temperature efficient coolant material respectively, both of which is fixed on shell (13), and peace and quiet tank (7) and cooling unit (8) connect full facepiece mask (16) by breathing pipeline (6).
2. a kind of positive-pressure type fire-fighting oxygen breathing apparatus according to claim 1, described breathing pipeline (6) is provided with suction end and expiration end, suction end connects cooling unit (8), expiration end connects peace and quiet tank (7), the inside of breathing pipeline (6) is provided with Non-return air valve so that the flow direction of air-flow is again to the one-way flow of peace and quiet tank (7) from cooling unit (8) to full facepiece mask (16).
3. a kind of positive-pressure type fire-fighting oxygen breathing apparatus according to claim 1, described peace and quiet tank (7) is provided with automatic exhaust steam valve (5) and is discharged by excessive gas.
4. in the peace and quiet tank (7) described in a kind of positive-pressure type fire-fighting oxygen breathing apparatus according to claim 1, two ends are provided with absorbent filter screen up and down so that the absorbent in peace and quiet tank (7) will not enter air bag (9).
5. a kind of positive-pressure type fire-fighting oxygen breathing apparatus according to claim 1; described air bag (9) is big volume malleation air bag; material is better, volume is bigger, breathe stagnant gas problem more resistant to aging preventing, and air bag is externally provided with crossbeam (11) protection air bag and is not stressed and breaks.
6. a kind of positive-pressure type fire-fighting oxygen breathing apparatus according to claim 1, described cooling unit (8) is non-maintaining room temperature high-efficiency cooling media chiller, adopts high-efficiency coolant material, and novel all-in-one designs.Using quick, whole take by whole, easy maintenance is without extra ice, it is not necessary to freezing.
7. a kind of positive-pressure type fire-fighting oxygen breathing apparatus according to claim 1, described full facepiece mask (16) for the big visual field from antifogging and abrasive full facepiece mask, nanometer anti-fog material is adopted to make, spray antifoggant without timing and antifogging brush is installed, being effectively prevented the situation that what soldier produced in operation process antiperspirant gas causes the visual field to obscure；Design according to shape of face, there is double-layer seal limit and can be well matched with different shape of face, it is ensured that wearing of user safety；International advanced high-abrasive material integrated molding, visual field rate reaches more than 93%, no visual metaboly, it is prevented that long-term friction causes face shield smudgy.
8. a kind of positive-pressure type fire-fighting oxygen breathing apparatus according to claim 1, described braces (18) is made for fire proofing, and is furnished with reflecting marking, it is simple to recognize in dark, improves safety；Braces meets ergonomic designs, improves comfortableness.
9. a kind of positive-pressure type fire-fighting oxygen breathing apparatus according to claim 1, described oxygen cylinder (15) is 2.5L carbon fiber Large Copacity oxygen cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520963059.0U CN205360285U (en) | 2015-11-30 | 2015-11-30 | Positive pressure fire control oxygen breathing apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520963059.0U CN205360285U (en) | 2015-11-30 | 2015-11-30 | Positive pressure fire control oxygen breathing apparatus |
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| CN205360285U true CN205360285U (en) | 2016-07-06 |
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| CN201520963059.0U Active CN205360285U (en) | 2015-11-30 | 2015-11-30 | Positive pressure fire control oxygen breathing apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110420404A (en) * | 2019-07-23 | 2019-11-08 | 浙江恒泰安全设备有限公司 | A kind of oxygen breathing apparatus with novel ventilation structure |
| CN111346312A (en) * | 2020-03-09 | 2020-06-30 | 安徽理工大学 | Simple wearable filtering positive pressure ventilation device |
-
2015
- 2015-11-30 CN CN201520963059.0U patent/CN205360285U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110420404A (en) * | 2019-07-23 | 2019-11-08 | 浙江恒泰安全设备有限公司 | A kind of oxygen breathing apparatus with novel ventilation structure |
| CN110420404B (en) * | 2019-07-23 | 2021-11-09 | 浙江恒泰安全设备有限公司 | Oxygen respirator with ventilation structure |
| CN111346312A (en) * | 2020-03-09 | 2020-06-30 | 安徽理工大学 | Simple wearable filtering positive pressure ventilation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Shu Keqing Inventor after: Cang Guicong Inventor after: Zhong Lizhi Inventor after: Tang Qiming Inventor after: Chao Deming Inventor after: Wang Guoxing Inventor after: Liu Yingshu Inventor after: Liu Wenhai Inventor before: Shu Keqing Inventor before: Tang Qiming Inventor before: Chao Deming Inventor before: Wang Guoxing Inventor before: Liu Yingshu Inventor before: Liu Wenhai Inventor before: Cang Guicong Inventor before: Zhong Lizhi |
|
| COR | Change of bibliographic data |