CN208176748U - A kind of positive-pressure air respirator - Google Patents
A kind of positive-pressure air respirator Download PDFInfo
- Publication number
- CN208176748U CN208176748U CN201820424653.6U CN201820424653U CN208176748U CN 208176748 U CN208176748 U CN 208176748U CN 201820424653 U CN201820424653 U CN 201820424653U CN 208176748 U CN208176748 U CN 208176748U
- Authority
- CN
- China
- Prior art keywords
- gas cylinder
- pressure
- face shield
- full facepiece
- mask
- 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
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 230000008676 import Effects 0.000 claims abstract description 4
- 238000005259 measurement Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 22
- 230000000007 visual effect Effects 0.000 description 5
- 101100269850 Caenorhabditis elegans mask-1 gene Proteins 0.000 description 3
- 230000000505 pernicious effect Effects 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Landscapes
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The utility model discloses a kind of positive-pressure air respirator, including gas cylinder and full facepiece mask, pressure reducer is provided at the port position of the gas cylinder, the lower part of the full facepiece mask is provided with steam supply valve, the pressure reducer is connect by middle pressure gas-guide tube with steam supply valve, and the gas in the gas cylinder imports steam supply valve after pressure reducer depressurizes；The full facepiece mask includes headgear and face shield, and the lower part two sides of the full facepiece mask are provided with elastic neckband, are connected by a snap between the headgear and face shield；The headgear is reticular structure, and the top of the face shield is transparent form, and the lower part of face shield is provided with oronasal mask, is provided with outlet valve in the oronasal mask.The utility model is small in size, light weight, full facepiece mask sealing performance is good, general safety is reliable, is suitable for extensive production application.
Description
Technical field
The utility model relates to a kind of air respiratorresuscitators, and in particular to a kind of positive-pressure air respirator.
Background technique
Positive-pressure air respirator is a kind of self-supporting free-air respirator, be widely used in fire-fighting, chemical industry, ship,
The fields such as petroleum, smelting have safely under the various environment such as dense smoke, poison gas, steam, anoxic for fireman or the rescue personnel that speedily carries out rescue work
It is put out a fire to effect, rescue and relief work and rescue.Existing air respiratorresuscitator exist mostly volume is big, quality weight, carry not
Just；Full facepiece mask poor sealing performance easily permeates the pernicious gas of rescue site, influences the rescue and relief work of personnel.
Summary of the invention
Goal of the invention: the utility model aim is in view of the deficiencies of the prior art, to provide a kind of positive-pressure type aerial respiration
Device.The utility model is small in size, light weight, full facepiece mask sealing performance is good, general safety is reliable, is suitable for extensive production application.
Technical solution: positive-pressure air respirator described in the utility model, including gas cylinder and full facepiece mask, the end of the gas cylinder
Be provided with pressure reducer at mouthful position, the lower part of the full facepiece mask is provided with steam supply valve, the pressure reducer by middle pressure gas-guide tube and
Steam supply valve connects, and the gas in the gas cylinder imports steam supply valve after pressure reducer depressurizes；The top two sides of the gas cylinder are symmetrically set
It is equipped with elastic suspenders, the lower part two sides of gas cylinder are fixedly connected by waistband with the harness of two sides；The full facepiece mask include headgear and
Face shield, the lower part two sides of the full facepiece mask are provided with elastic neckband, are connected by a snap between the headgear and face shield；Institute
Stating headgear is reticular structure, and the top of the face shield is transparent form, and the lower part of face shield is provided with oronasal mask, the mouth
Outlet valve is provided on nose cup.
It further, further include warning device, the warning device is connect by high-pressure air duct with the gas cylinder, described
The pressure sensor of measurement gas pressure of the inside of a bottle is provided on warning device.
Further, the warning device is combined aural and visual alarm.
Further, the outer edge surrounding of the face shield is provided with sealing frame.
The utility model has the advantages that (1) the utility model structure is simple, design is reasonable, small in size, light weight, and sealing performance is good.
(2) the utility model uses the design of combined aural and visual alarm, can sound an alarm in time and mention when device occurs abnormal
Wake up staff, avoids that safety accident occurs.
(3) the utility model full facepiece mask good seal is provided with individual steam supply valve and outlet valve, avoids rescue site
Pernicious gas penetrates into full facepiece mask, influences the rescue work of the life security of rescue personnel.
Detailed description of the invention
Fig. 1 is the utility model structure chart.1, full facepiece mask；2, gas cylinder；3, pressure reducer；4, middle pressure gas-guide tube；5, alarm dress
It sets；6, high-pressure air duct；7, shoulder belt；8, waistband.
Fig. 2 is the structure chart of full facepiece mask in Fig. 1.11, face shield；12 headgears；13, neckstrap；14, it buckles；111, form；
112, oronasal mask；113, steam supply valve；114, sealing frame.
Fig. 3 is the side view of Fig. 2.
Specific embodiment
Technical solutions of the utility model are described in detail below by attached drawing, but the protection scope of the utility model
It is not limited to the embodiment.
Embodiment 1: a kind of positive-pressure air respirator, as shown in Figure 1, including gas cylinder 2, full facepiece mask 1, warning device 5, shoulder
Band 7 and waistband 8.
The volume of the gas cylinder 2 is 6L, and operating pressure is 0~30MPa；It is provided with and subtracts at the port position of the gas cylinder 2
Depressor 3, for by the high pressure air reducing in gas cylinder 2.
As shown in Figures 2 and 3, the full facepiece mask 1 includes headgear 12 and face shield 11, and the headgear 12 is elastic web knot
Structure.The top of the face shield 11 is transparent form 111, and the total visual field of the form 111 is not less than 70%, and the lower section visual field is not
Less than 35 degree, the light transmittance of form 111 is not less than 85%.The lower part of the face shield 11 is provided with oronasal mask 112, the mouth and nose
Steam supply valve 113 and outlet valve are provided on cover 112.The lower part two sides of the face shield 11 are provided with elastic neckband 13, wearer
It can be adjusted according to self-demand.The outer edge surrounding of the face shield 11 is provided with sealing frame 114, the closely sealed frame and pendant
Wearer's face is closely sealed good, without obvious tenderness sense.It, can be according to pendant by 14 connection of buckle between the headgear 12 and face shield 11
The demand of wearer freely adjusts the size of full facepiece mask 1.The pressure reducer 3 is connect by middle pressure gas-guide tube 4 with steam supply valve 113, institute
The gas stated in gas cylinder 2 imports steam supply valve 113 after the decompression of pressure reducer 3, makes after 113 secondary pressure of steam supply valve for wearer
With.
The shoulder belt 7 is separately positioned on the top two sides of gas cylinder 2, and the shoulder belt 7 is elastic shoulder belt 7；The waistband 8 passes through
The shoulder belt 7 of two sides is fixed on the lower part of gas cylinder 2, and the both ends of the waistband 8 are connected and fixed by pulling buckle, and wearer can be according to itself
Demand is adjusted.
The warning device 5 is combined aural and visual alarm, is connect by high-pressure air duct 6 with gas cylinder 2, on the warning device 5
It is provided with the pressure sensor of pressure in measurement gas cylinder 2.When pressure sensor detects that pressure is excessive in gas cylinder 2, sending sound
The alarm of sound and flashing signal.
The utility model is small in size, light weight, and overall weight is no more than 18kg.
As described above, although the utility model has been indicated and described referring to specific preferred embodiment, it must not
It is construed to the limitation to the utility model itself.In the spirit and scope for not departing from the utility model that appended claims define
Under the premise of, it can various changes can be made in the form and details to it.
Claims (4)
1. a kind of positive-pressure air respirator, including gas cylinder and full facepiece mask, it is provided with pressure reducer at the port position of the gas cylinder,
The lower part of the full facepiece mask is provided with steam supply valve, and the pressure reducer is connect by middle pressure gas-guide tube with steam supply valve, in the gas cylinder
Gas import steam supply valve after pressure reducer depressurizes；The top two sides of the gas cylinder are symmetrically arranged with elastic suspenders, under gas cylinder
Portion two sides are fixedly connected by waistband with the harness of two sides；It is characterized by: the full facepiece mask includes headgear and face shield, it is described
The lower part two sides of full facepiece mask are provided with elastic neckband, are connected by a snap between the headgear and face shield；The headgear is net
The top of shape structure, the face shield is transparent form, and the lower part of face shield is provided with oronasal mask, is arranged in the oronasal mask
There is outlet valve.
2. positive-pressure air respirator according to claim 1, it is characterised in that: it further include warning device, the alarm
Device is connect by high-pressure air duct with the gas cylinder, and the pressure sensing of measurement gas pressure of the inside of a bottle is provided on the warning device
Device.
3. positive-pressure air respirator according to claim 2, it is characterised in that: the warning device is sound-light alarm
Device.
4. positive-pressure air respirator according to claim 1, it is characterised in that: the outer edge surrounding of the face shield is set
It is equipped with sealing frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820424653.6U CN208176748U (en) | 2018-03-28 | 2018-03-28 | A kind of positive-pressure air respirator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820424653.6U CN208176748U (en) | 2018-03-28 | 2018-03-28 | A kind of positive-pressure air respirator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208176748U true CN208176748U (en) | 2018-12-04 |
Family
ID=64439283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820424653.6U Expired - Fee Related CN208176748U (en) | 2018-03-28 | 2018-03-28 | A kind of positive-pressure air respirator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208176748U (en) |
-
2018
- 2018-03-28 CN CN201820424653.6U patent/CN208176748U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181204 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |