CN202920853U - Full face mask - Google Patents
Full face mask Download PDFInfo
- Publication number
- CN202920853U CN202920853U CN 201220403221 CN201220403221U CN202920853U CN 202920853 U CN202920853 U CN 202920853U CN 201220403221 CN201220403221 CN 201220403221 CN 201220403221 U CN201220403221 U CN 201220403221U CN 202920853 U CN202920853 U CN 202920853U
- Authority
- CN
- China
- Prior art keywords
- face mask
- head net
- ear
- face shield
- net
- 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
Links
- 230000029058 respiratory gaseous exchange Effects 0.000 claims abstract description 18
- 230000001681 protective effect Effects 0.000 claims abstract description 14
- 210000003128 head Anatomy 0.000 abstract description 21
- 230000006378 damage Effects 0.000 abstract description 7
- 210000003454 tympanic membrane Anatomy 0.000 abstract description 7
- 239000007789 gas Substances 0.000 abstract description 6
- 231100000614 poison Toxicity 0.000 abstract description 3
- 230000007096 poisonous effect Effects 0.000 abstract description 3
- 239000000428 dust Substances 0.000 abstract 1
- 210000005069 ears Anatomy 0.000 abstract 1
- 230000002265 prevention Effects 0.000 abstract 1
- 231100000331 toxic Toxicity 0.000 description 5
- 230000002588 toxic effect Effects 0.000 description 5
- 230000009931 harmful effect Effects 0.000 description 4
- 230000000241 respiratory effect Effects 0.000 description 4
- 239000002341 toxic gas Substances 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Landscapes
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The utility model discloses a full face mask. The full face mask comprises a breathing mask body and a face mask head net. A drawstring with length adjustable is connected between the breathing mask body and the face mask head net to adjust the distance between the breathing mask body and the face mask head net, two sides of the face mask head net are respectively provided with an airproof ear protective cover, and the ear protective covers are connected with the face mask head net. The full face mask can play a role of dust prevention and can protect ears from being harmed by poisonous gases, and therefore unnecessary personal injuries to a wearer due to harm to the eardrums by the spot poisonous gases can be avoided.
Description
Technical field
The utility model relates to a kind of respiratory protection equipment, relates in particular to a kind of breathing mask.
Background technology
At present; positive-pressure air respirator is widely used in the every field such as fire-fighting and rescue, metallurgy, chemical industry, boats and ships and army as respiratory protection equipment, make the fireman or speedily carry out rescue work that the rescue personnel can put out a fire safely under the adverse circumstances that are full of dense smoke, poison gas, steam or anoxic, rescue and relief work and rescue.The operation principle of positive-pressure air respirator is to store clean compressed air by gas cylinder; be discharged into one-level pressure relief valve through bottle valve; enter full facepiece mask again after the decompression of steam supply valve secondary; breathe for the wearer, protection user respiratory apparatus is not subjected to the infringement of extraneous toxic environment air.This positive-pressure air respirator be furnished with afford a wide field of vision, become clear, airtight good full facepiece mask; Feeder is furnished with the novel steam supply valve of small volume, lightweight, stable performance; Select the higher high-quality gas cylinder of high strength backboard and safety coefficient; Relief valve unit is equipped with the residual gas alarm, in the storage pressure scope of regulation, can send audible signal to the wearer, reminds the user of service in time to withdraw the scene.
Now on market a kind of positive-pressure air respirator face shield on sale is as shown in Figure 1, this device comprises a breathing mask 2 and a face shield head net 1, be connected between a net drawstring 3 of breathing mask 2 by length adjustable and face shield head net 1, be used for regulating the distance between breathing mask 2 and face shield head net 1.
Yet because disaster-stricken field condition is complicated and changeable, can there be various toxic and harmfuls in surrounding air, and some toxic and harmful can be to the ear-drum injury of human body.Although in the time of this, the rescue personnel utilizes respiratory protection equipment to protect respiratory system, has been damaged ear-drum by toxic gas unconsciously.The air respiratorresuscitator face shield that uses in existing market does not generally possess the function of protecting ear's ear-drum.
The utility model content
The purpose of this utility model is to provide a kind of full facepiece mask, and this full facepiece mask should protect rescue personnel's ear-drum not sustain damage in poisonous and hazardous working environment.
In order to achieve the above object, the utility model provides a kind of full facepiece mask, it comprises a breathing mask body and a capouch net, is connected with the drawstring of length adjustable between this breathing mask body and face shield head net, to regulate the distance between breathing mask body and face shield head net; The both sides of this face shield head net also are respectively equipped with air-locked ear protective cover, and this ear's protective cover is connected with face shield head net.
Full facepiece mask of the present utility model has respectively increased by ear's protective cover in face shield head net both sides, and has been connected mutually with face shield head net on the mask designs basis of prior art.The distinctive planform of ear's protective cover and human body ear is complementary, and such applying design makes protective cover meet ergonomic designs.Ear's protective cover adopts soft gas impermeable material to be made, and air-locked material can completely cut off toxic and harmful effectively on the one hand, and soft material can increase the level of comfort of face mask wearer on the other hand.
Compared with prior art, a kind of full facepiece mask of the present utility model can play dustproof anti-gray effect and can protect again ear not injured by toxic gas, because of on-the-spot poison gas, the damage of ear-drum is caused unnecessary personal injury to avoid the staff such as firefighting rescue.
Description of drawings
Fig. 1 is the structural representation of a kind of positive-pressure air respirator in the prior art.
Fig. 2 is the structural representation of full facepiece mask described in the utility model under a kind of specific embodiment.
The specific embodiment
Below will be further explained full facepiece mask described in the utility model according to the specific embodiment of the present utility model and Figure of description, but this explanation does not consist of restriction of the present utility model.
As shown in Figure 2, in the present embodiment, full facepiece mask comprises breathing mask body 2 and face shield head net 1, is connected with the drawstring 3 of length adjustable between this breathing mask body 2 and face shield head net 1, can regulate the distance between breathing mask body 2 and face shield head net 1; The both sides of this face shield head net 1 also are respectively equipped with air-locked ear protective cover 4, and this ear's protective cover 4 is connected with face shield head net 1.
Continuation is referring to Fig. 2, in the present embodiment, at first the user of service has worn breathing mask body 2, then with the hands tighten up and regulate drawstring 3, make on the one hand ear's protective cover 4 cover both sides ear, make on the other hand breathing mask body 2 applying wearer's face profiles, relief face shield head net 1 wraps wearer's back of head naturally, ear's protective cover 4 tightly touch ear according to the shape structure of ear, ear is played the effect of isolated toxic and harmful, avoid the unnecessary damage that causes to wearer's ear-drum.
It should be noted that above cited embodiment only is specific embodiment of the utility model.Obviously the utility model is not limited to above embodiment, and the similar variation of thereupon making or distortion are that those skilled in the art can directly draw or be easy to from the disclosed content of the utility model and just associate, and all should belong to protection domain of the present utility model.
Claims (1)
1. full facepiece mask, it comprises a breathing mask body and a capouch net, is connected with the drawstring of length adjustable between described breathing mask body and face shield head net, to regulate the distance between breathing mask body and face shield head net; It is characterized in that:
The both sides of described face shield head net also are respectively equipped with air-locked ear protective cover, and described ear protective cover is connected with face shield head net.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220403221 CN202920853U (en) | 2012-08-15 | 2012-08-15 | Full face mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220403221 CN202920853U (en) | 2012-08-15 | 2012-08-15 | Full face mask |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202920853U true CN202920853U (en) | 2013-05-08 |
Family
ID=48210846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220403221 Expired - Fee Related CN202920853U (en) | 2012-08-15 | 2012-08-15 | Full face mask |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202920853U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116785072A (en) * | 2022-03-21 | 2023-09-22 | 奥托斯维株式会社 | Mask with knob |
-
2012
- 2012-08-15 CN CN 201220403221 patent/CN202920853U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116785072A (en) * | 2022-03-21 | 2023-09-22 | 奥托斯维株式会社 | Mask with knob |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Shouzheng Inventor after: Li Chengjun Inventor after: You Ting Inventor before: Zhang Shouzheng Inventor before: Li Chengjun |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: ZHANG SHOUZHENG LI CHENGJUN TO: ZHANG SHOUZHENG LI CHENGJUN YOU 201320205279.8;2014.08.06;BIBLIOGRAPHIC CHANGE |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20200815 |