CN208319730U - A kind of Novel firefighting head-shield - Google Patents
A kind of Novel firefighting head-shield Download PDFInfo
- Publication number
- CN208319730U CN208319730U CN201820265220.0U CN201820265220U CN208319730U CN 208319730 U CN208319730 U CN 208319730U CN 201820265220 U CN201820265220 U CN 201820265220U CN 208319730 U CN208319730 U CN 208319730U
- Authority
- CN
- China
- Prior art keywords
- valve
- head
- shield
- filtering tank
- respirator
- 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
Abstract
The utility model discloses a kind of Novel firefighting head-shields, fire-fighting head-shield includes respirator, filtering tank and connecting pipe, the respirator is equipped with intake valve and exhaust valve, the filtering tank connects intake valve by connecting pipe, the intake valve and exhaust valve are check valve, and the connecting pipe is bellows, and the filtering tank is equipped with fixed device, the fire-fighting head-shield is equipped with transparent window, and the transparent window is equipped with wiper rail.The utility model has the beneficial effects that filtering tank can be fixed according to actual needs, and gas unidirectional flows in respirator, the gas of filtering tank filtering exhalation is avoided, the service efficiency of filtering tank is improved.
Description
Technical field
The utility model relates to fire-fighting domain, especially a kind of Novel firefighting head-shield.
Background technique
Fire-fighting breathing mask is as personal protection equipment, and for the respiratory apparatus to personnel, eyes and skin of face are provided
Effective protection.For mask by mask, gas-guide tube and canister composition, mask can directly connect use with canister, or use air guide
Pipe connect use with canister.Fire-fighting breathing mask can select the canister of various models respectively according to requirement of shelter, application
In chemical industry, warehouse, scientific research, various toxic, harmful operating environments.
Application No. is 201520275106.2 utility models to be related to a kind of smoke helmet, belongs to technical field of fire control.Disappear
Anti- mask includes the mask and supply arrangement for protecting user's head, is provided with oronasal mask in the mask, supply arrangement passes through pipe
Road provides clean air and/or water to oronasal mask.Even if the utility model provides smoke helmet and can also breathe in scene of fire
To ozone, and clean water can be drunk, enable users to escape in the case where awake.
The position of the filtering tank of existing smoke helmet is fixed, and cannot carry out position adjustment according to the actual situation.
Utility model content
Purpose of the utility model is to solve the above problems, devise a kind of Novel firefighting head-shield.
Realize that above-mentioned purpose the technical solution of the utility model is a kind of Novel firefighting head-shield, the fire-fighting head-shield includes
Respirator, filtering tank and connecting pipe, the respirator are equipped with intake valve and exhaust valve, and the filtering tank is connected by connecting pipe
Air valve is tapped into, the intake valve and exhaust valve are check valve, and the connecting pipe is bellows, and the filtering tank, which is equipped with, to be fixed
Device, the fire-fighting head-shield are equipped with transparent window, and the transparent window is equipped with wiper rail.
The intake valve includes valve body, spool, fixture block, spring and screw rod, and the valve body is equipped with valve chamber, and the valve chamber is equipped with
Air inlet and air outlet, the fixture block install spool by being threadably mounted in valve chamber in the valve chamber, the spool is equipped with logical
Hole and side opening, are equipped with spring between one end and valve body of the spool, one end of another end in contact screw rod of the spool is described
Screw rod is connected with valve body by screw hole, and the other end of the screw rod is equipped with handwheel.
The intake valve is identical with the structure of exhaust valve, and the air inlet of the intake valve connects connecting pipe, the air inlet
The gas outlet of valve connects respirator, and the gas outlet of the exhaust valve connects external, the air inlet connection head-shield of the exhaust valve.
The fixed device includes fixing belt and buckle, and the fixing belt is equipped with velcro.
The transparent window is rectangle, and the transparent window is externally provided with frame, and the opposite both sides of the frame are equipped with gap,
Wiper rail is installed, the wiper rail both ends are equipped with pushing block in the gap.
A kind of Novel firefighting head-shield made using the technical solution of the utility model is had the beneficial effect that
1, user covers fire-fighting head-shield on head, and will breathe the enclosure in snout；
2, when a wearer inhales, the gas in respirator is reduced, and air pressure reduces, and external biggish air pressure pushes intake valve
Spool, open intake valve, external air is pressed into respirator by draught head, when the air pressure inside and outside respirator is identical,
Intake valve is closed；
3, filtering tank is connected by connecting pipe due to the air inlet of intake valve, outside air is inhaled by filtering tank and is exhaled
In suction hood, the filtering material in filtering tank can cross the impurity in air filtering, improve the air quality being inhaled into respirator；
4, when the wearer breathes out, the gas in respirator increases, and air pressure increases, and biggish air pressure will push in respirator
The spool of exhaust valve, opens exhaust valve, and the air in respirator releases exhaust valve by draught head, the air pressure inside and outside respirator
When identical, exhaust valve closure；
5, so that the air in respirator is only capable of one-way flow, will not be mixed, make in filtering tank
The air of the filtering material air that only filtering external enters, user's discharge not will be filtered, and improve the use effect of filtering tank
Rate；
6, filtering tank can be fixed on the lower positions such as leg by fixed device, when since fire occurs, to people's
It is flue dust in air that respiratory system, which endangers maximum, and the heated floating of flue dust is in the sky, the flue dust in the air on ground
It is relatively fewer, therefore filtering tank can be fixed on close to the position on ground, such as shank or ankle, Ke Yi great by fixed device
The big fire-fighting head-shield that improves provides the quality of air；
7, fire-fighting head-shield is equipped with transparent window, and transparent window provides the visual field for wearer, and transparent window is equipped with wiper rail, by
Contain more steam in the air of people's exhalation for wearing fire-fighting head-shield, being easy to condense in influences sight on transparent window, make
User can wipe the water mist inside transparent window, improve making for fire-fighting head-shield by fire-fighting head-shield peripheral operation wiper rail
Use effect.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of Novel firefighting head-shield described in the utility model；
Fig. 2 is a kind of intaking valve structure schematic diagram of Novel firefighting head-shield described in the utility model；
Fig. 3 is a kind of exhaust structure schematic diagram of Novel firefighting head-shield described in the utility model；
Fig. 4 is a kind of fixture structure schematic diagram of Novel firefighting head-shield described in the utility model；
Fig. 5 is a kind of transparent window front view of Novel firefighting head-shield described in the utility model；
Fig. 6 is a kind of transparent window top view of Novel firefighting head-shield described in the utility model；
In figure, 1, fire-fighting head-shield；2, respirator；3, filtering tank；4, connecting pipe；5, intake valve；6, exhaust valve；7, fixed
Device；8, transparent window；9, wiper rail；10, valve body；11, spool；12, fixture block；13, spring；14, screw rod；15, valve chamber；16,
Air inlet；17, gas outlet；18, through-hole；19, side opening；20, handwheel；21, fixing belt；22, buckle；23, velcro；24, frame；
25, gap；26, pushing block.
Specific embodiment
The utility model is specifically described with reference to the accompanying drawing, as shown in figures 1 to 6, a kind of Novel firefighting head-shield disappears
Anti- head-shield 1 includes respirator 2, filtering tank 3 and connecting pipe 4, and the main body of fire-fighting head-shield 1 is head-shield made of flexible material, is exhaled
Suction hood 2 can be bonded with wearer's snout, and 3 surface of filtering tank is equipped with multiple open-works, contains filtering material in filtering tank 3, can
To cross air filtering.
Respirator 2 is equipped with intake valve 5 and exhaust valve 6, and intake valve 5 and exhaust valve 6 are check valve, intake valve 5 and exhaust
Valve 6 is respectively that respirator 2 provides the function of air inlet and exhaust, so that the air in respirator 2 is only capable of one-way flow, will not mix
It closes, makes the filtering material air that only filtering external enters in filtering tank 3, the air of user's discharge not will be filtered, improve
The service efficiency of filtering tank 3.
Filtering tank 3 connects intake valve 5 by connecting pipe 4, and connecting pipe 4 is bellows, the connecting pipe 4 of corrugated tube shape
With stronger stretch capability, keep the position of filtering tank 3 more flexible.
Filtering tank 3 is equipped with fixed device 7, and filtering tank 3, which passes through fixed device 7, may be mounted at different positions, due to hair
When calamity of lighting a fire, endangering maximum the respiratory system of people is flue dust in air, and the heated floating of flue dust is in the sky, closely
Flue dust in the air in face is relatively fewer, therefore filtering tank 3 can be fixed on close to the position on ground by fixed device 7,
Such as shank or ankle, fire-fighting head-shield 1 can be greatly improved, the quality of air is provided.
Fire-fighting head-shield 1 is equipped with transparent window 8, and transparent window 8 provides the visual field for wearer, and transparent window 8 is equipped with wiper rail
9, due to containing more steam in the air for the people's exhalation for wearing fire-fighting head-shield 1, being easy to condense in influences view on transparent window 8
Line, user can wipe the water mist inside transparent window 8, improve fire-fighting by 1 peripheral operation wiper rail 9 of fire-fighting head-shield
The using effect of head-shield 1.
Intake valve 5 includes valve body 10, spool 11, fixture block 12, spring 13 and screw rod 14, and valve body 10 is equipped with valve chamber 15, valve chamber
15 are equipped with air inlet 16 and gas outlet 17, and by being threadably mounted in valve chamber 15, fixture block 12 has smaller than valve chamber 15 fixture block 12
Through-hole 18, when 11 end face of spool is bonded with fixture block 12, through-hole 18 is plugged, and valve chamber 15 is blocked, and spool is installed in valve chamber 15
11, spool 11 can slide in valve chamber 15, and spool 11 is equipped with through-hole 18 and side opening 19, when between 11 end face of spool and fixture block 12
There are when gap, valve chamber 15 can be connected to side opening 19 by through-hole 18, spring is equipped between one end and valve body 10 of spool 11
13, spring 13 is that spool 11 provides thrust, so that spool 11 is contacted closing with fixture block 12 when not stressing and blocks valve chamber 15, spool 11
Another end in contact screw rod 14 one end, screw rod 14 can push spool 11, spool 11 is made to remain open state, screw rod 14
It is connected with valve body 10 by screw hole, the other end of screw rod 14 is equipped with handwheel 20, screw rod 14 can be driven to exist by rotating handwheel 20
It is rotated in screw hole, length of the adjustment screw 14 in valve body 10.
Intake valve 5 is identical with the structure of exhaust valve 6, and the air inlet 16 of intake valve 5 connects connecting pipe 4, and intake valve 5 goes out
Port 17 connects respirator 2, and respirator 2 is only capable of through 5 air inlet of intake valve, and the gas outlet 17 of exhaust valve 6 connects outside, exhaust valve
6 air inlet 16 connects head-shield, and respirator 2 is only capable of being vented by exhaust valve 6.
Fixed device 7 includes fixing belt 21 and buckle 22, and fixing belt 21 passes through buckle 22, the pine of adjustable fixing belt 21
Tightness, fixing belt 21 are equipped with velcro 23, and velcro 23 can fix the end of fixing belt 21, and velcro 23 is well known to one kind
The prior art, therefore repeat no more.
Transparent window 8 is rectangle, and transparent window 8 is externally provided with frame 24, and frame 24 is solid, and the opposite both sides of frame 24 are set
25 are had the gap, wiper rail 9 is installed in gap 25, wiper rail 9 can be slided in gap 25, and wiper rail 9 has cleaning pad,
Cleaning pad can be made of sponge, and 9 both ends of wiper rail are equipped with pushing block 26, and pushing block 26 is convenient for promotion manually.
The working principle of the utility model is, user by 1 set of fire-fighting head-shield on head, and by 2 sets of respirator in mouth and nose
Portion；
When a wearer inhales, the gas in respirator 2 is reduced, and air pressure reduces, and external biggish air pressure pushes intake valve 5
Spool 11, open intake valve 5, external air is pressed into respirator 2 by draught head, the air pressure phase inside and outside respirator 2
Meanwhile intake valve 5 is closed；
Since the air inlet of intake valve 5 connects filtering tank 3 by connecting pipe 4, outside air is inhaled by filtering tank 3
In respirator 2, the filtering material in filtering tank 3 can cross the impurity in air filtering, improve the air matter being inhaled into respirator 2
Amount；
When the wearer breathes out, the gas in respirator 2 increases, and air pressure increases, and biggish air pressure will push in respirator 2
The spool 11 of exhaust valve 6 opens exhaust valve 6, and the air in respirator 2 releases exhaust valve 6 by draught head, when in respirator 2
When outer air pressure is identical, exhaust valve 6 is closed；
By the above process, so that the air in respirator 2 is only capable of one-way flow, will not be mixed, make in filtering tank 3
The air of the filtering material air that only filtering external enters, user's discharge not will be filtered, and improve the use effect of filtering tank 3
Rate；
Filtering tank 3 can be fixed on the lower positions such as leg by fixed device 7, when since fire occurs, to people's
It is flue dust in air that respiratory system, which endangers maximum, and the heated floating of flue dust is in the sky, the flue dust in the air on ground
It is relatively fewer, therefore filtering tank 3 can be fixed on close to the position on ground by fixed device 7, it, can be with such as shank or ankle
It greatly improves fire-fighting head-shield 1 and the quality of air is provided；
Fire-fighting head-shield 1 is equipped with transparent window 8, and transparent window 8 provides the visual field for wearer, and transparent window 8 is equipped with wiper rail
9, due to containing more steam in the air for the people's exhalation for wearing fire-fighting head-shield 1, being easy to condense in influences view on transparent window 8
Line, user can wipe the water mist inside transparent window 8, improve fire-fighting by 1 peripheral operation wiper rail 9 of fire-fighting head-shield
The using effect of head-shield 1.
Above-mentioned technical proposal only embodies the optimal technical scheme of technical solutions of the utility model, the technology of the art
Personnel embody the principles of the present invention to some variations that some of them part may be made, and belong to the utility model
Protection scope within.
Claims (5)
1. a kind of Novel firefighting head-shield, which is characterized in that the fire-fighting head-shield includes respirator, filtering tank and connecting pipe, institute
Respirator is stated equipped with intake valve and exhaust valve, the filtering tank connects intake valve, the intake valve and exhaust by connecting pipe
Valve is check valve, and the connecting pipe is bellows, and the filtering tank is equipped with fixed device, and the fire-fighting head-shield is equipped with transparent
Form, the transparent window are equipped with wiper rail.
2. a kind of Novel firefighting head-shield according to claim 1, which is characterized in that the intake valve include valve body, spool,
Fixture block, spring and screw rod, the valve body are equipped with valve chamber, and the valve chamber is equipped with air inlet and air outlet, and the fixture block passes through screw thread
Be mounted in valve chamber, spool be installed in the valve chamber, the spool is equipped with through-hole and side opening, one end of the spool and valve body it
Between be equipped with spring, one end of another end in contact screw rod of the spool, the screw rod connected with valve body by screw hole, the screw rod
The other end be equipped with handwheel.
3. a kind of Novel firefighting head-shield according to claim 2, which is characterized in that the structure of the intake valve and exhaust valve
Identical, the air inlet of the intake valve connects connecting pipe, and the gas outlet of the intake valve connects respirator, the exhaust valve
Gas outlet connection is external, and the air inlet of the exhaust valve connects head-shield.
4. a kind of Novel firefighting head-shield according to claim 1, which is characterized in that the fixed device include fixing belt and
Buckle, the fixing belt are equipped with velcro.
5. a kind of Novel firefighting head-shield according to claim 1, which is characterized in that the transparent window is rectangle, described
Transparent window is externally provided with frame, and the opposite both sides of the frame are equipped with gap, install wiper rail, the wiper rail in the gap
Both ends are equipped with pushing block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820265220.0U CN208319730U (en) | 2018-02-25 | 2018-02-25 | A kind of Novel firefighting head-shield |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820265220.0U CN208319730U (en) | 2018-02-25 | 2018-02-25 | A kind of Novel firefighting head-shield |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208319730U true CN208319730U (en) | 2019-01-04 |
Family
ID=64782434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820265220.0U Expired - Fee Related CN208319730U (en) | 2018-02-25 | 2018-02-25 | A kind of Novel firefighting head-shield |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208319730U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109745639A (en) * | 2019-01-14 | 2019-05-14 | 浙安集团有限公司 | A kind of fire protection mask |
-
2018
- 2018-02-25 CN CN201820265220.0U patent/CN208319730U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109745639A (en) * | 2019-01-14 | 2019-05-14 | 浙安集团有限公司 | A kind of fire protection mask |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190104 |