CN207614220U - A kind of backpack fire extinguisher - Google Patents
A kind of backpack fire extinguisher Download PDFInfo
- Publication number
- CN207614220U CN207614220U CN201721707493.8U CN201721707493U CN207614220U CN 207614220 U CN207614220 U CN 207614220U CN 201721707493 U CN201721707493 U CN 201721707493U CN 207614220 U CN207614220 U CN 207614220U
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- CN
- China
- Prior art keywords
- compressed gas
- entrance
- spray gun
- liquid
- extinguisher
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Abstract
The utility model discloses a kind of backpack fire extinguishers,It includes liquid extinguisher holding vessel,Compressed gas storage cylinder fitted,Spray gun and backboard,The liquid extinguisher holding vessel,Compressed gas storage cylinder fitted and spray gun is detachable is fixed on the lateral surface of backboard,The spray gun includes spray gun seat,Lance tube and lance head,The spray gun seat is equipped with liquid extinguisher entrance and compressed gas entrance,The liquid extinguisher entrance is connected by delivery pipe with the liquid outlet of liquid extinguisher holding vessel,The compressed gas entrance is connected by delivery pipe with the gas outlet of compressed gas storage cylinder fitted,It is equipped with compressed gas entrance with the level-one mixing chamber and two level mixing chamber of central shaft in the spray gun seat,The internal diameter of level-one mixing chamber is more than the internal diameter of compressed gas entrance,The internal diameter of two level mixing chamber is more than the internal diameter of level-one mixing chamber,And the liquid extinguisher entrance is arranged in the peripheral side of compressed gas entrance.The utility model can meet individual soldier's fire-fighting war fighting requirement.
Description
Technical field
The utility model is to be related to a kind of fire extinguisher, specifically, is to be related to a kind of backpack fire extinguisher, belongs to fire-fighting equipment
Technical field.
Background technology
Currently, the fire-extinguishing apparatus that fire-fighting uses mainly has vehicular, portable, cart type and fixed, they fit respectively
For different fire places.Although for the fire place of complicated landform or narrow space that indoor or car cannot drive into,
There is certain advantage using hand fire extinguisher, but the fire-fighting principle of existing hand fire extinguisher is that foam mixing liquid is leading to
Negative pressure is formed when crossing at the foam jet pipe of foam monitor (rifle), to suck air, air is with foam mixing liquid in foam jet pipe
Foam jet is formed after mixing to go out, and has the drawback that coefficient of foaming is low, the frostproof froth n performance sprayed is unstable, foam
Injection intensity is low, is not easy to form the froth bed being completely covered in fuel surface, so that fire-fighting efficiency is low.In recent years, compression is empty
Gas fire-fighting technique starts a large amount of use in urban fire control and forest fire prevention and control, hence it is evident that the efficiency of putting out a fire to save life and property for the first time of fire is improved,
The mechanism of current compressed air fire-fighting technique is that a certain proportion of compressed air is passed through into foam mixing liquid, makes impingement mix
Foam is generated afterwards carries out foam fire-fighting.Since existing compressed air fire extinguishing system includes foam liquid tank, compressed gas storage
Tank and foam maker, it is complicated, volume is big, portable carrying requirement cannot be met, so that having limited to compressed air fire extinguishing
System is indoors or the complicated landform that cannot drive into of car or narrow space etc. need the fire place of individual soldier's fire-fighting operation to answer
With.
Utility model content
In view of the above problems existing in the prior art, the purpose of the utility model is to provide it is a kind of it is simple in structure, small,
Backpack fire extinguisher easy to carry, that individual soldier's fire-fighting war fighting requirement can be met.
To achieve the above object, the technical solution adopted in the utility model is as follows：
A kind of backpack fire extinguisher, including liquid extinguisher holding vessel, compressed gas storage cylinder fitted, spray gun and backboard, institute
State that liquid extinguisher holding vessel, compressed gas storage cylinder fitted and spray gun are detachable to be fixed on the lateral surface of the backboard,
The spray gun includes spray gun seat, lance tube and lance head, and the spray gun seat is equipped with liquid extinguisher entrance and compressed gas enters
Mouthful, the liquid extinguisher entrance is connected by liquid delivery tube with the liquid outlet of liquid extinguisher holding vessel, the compression
Gas access is connected by air shooter with the gas outlet of compressed gas storage cylinder fitted, be equipped in the spray gun seat with it is described
Compressed gas entrance is the same as the level-one mixing chamber and two level mixing chamber of central shaft, the compressed gas entrance and level-one mixing chamber and two
Grade mixing chamber is cylinder, and the internal diameter of level-one mixing chamber is more than the internal diameter of compressed gas entrance, and the internal diameter of two level mixing chamber is big
In the internal diameter of level-one mixing chamber, and the liquid extinguisher entrance is arranged in the peripheral side of the compressed gas entrance.
A kind of preferred embodiment, the backboard are equipped with middle part and form the left side and the right side of inside dog-ear with the middle part
Side, the liquid extinguisher holding vessel is detachable to be fixed on the lateral surface of middle part, the compressed gas storage cylinder fitted
Detachable to be fixed on the lateral surface of left side, the spray gun is detachable to be fixed on the lateral surface of right side.
A kind of preferred embodiment is installed with a shoulder strap respectively on the medial surface of the left side and right side, is carried on the back in left and right
The locking belt of lock connection is equipped between band.
A kind of preferred embodiment, the top of the backboard are equipped with the right angle flange turned up.
A kind of preferred embodiment leads between the spray gun seat and the lance tube and between the lance tube and the lance head
Quick coupling is crossed to be connected.
The end of a kind of preferred embodiment, the spray gun seat is equipped with fixed stiffening ring, is symmetrically set in the fixed stiffening ring
Have multiple using compressed gas entrance as the reinforcing rib of symmetrical centre.
A kind of preferred embodiment, in the liquid outlet of the liquid extinguisher holding vessel and going out for the compressed gas storage cylinder fitted
Gas port is respectively equipped with flow control valve, is respectively equipped with unidirectionally in the liquid extinguisher entrance and the compressed gas inlet
Valve.
A kind of preferred embodiment, the liquid extinguisher entrance are 2, are separately positioned on the two of the compressed gas entrance
Side, and the center of two liquid extinguisher entrances and the center of compressed gas entrance are located in same horizontal line.
Compared to the prior art, the advantageous effects of the utility model are：
Backpack fire extinguisher provided by the utility model realizes compressed air fire-fighting technique indoors or car cannot be sailed
The complicated landform entered or narrow space etc. need the application in the fire place of individual soldier's fire-fighting operation, have it is simple in structure, small,
The advantages that easy to carry, can meet individual soldier's fire-fighting war fighting requirement, have apparent practicability.
Description of the drawings
Fig. 1 is a kind of dimensional structure diagram for backpack fire extinguisher that the utility model embodiment 1 provides；
Fig. 2 is the backsight structural representation for the backpack fire extinguisher that the utility model embodiment 1 provides；
Fig. 3 and Fig. 4 is dimensional structure diagram of the spray gun seat of the offer of the utility model embodiment 1 under different visual angles；
Fig. 5 is a kind of forward sight structural schematic diagram for backpack fire extinguisher that the utility model embodiment 2 provides.
Figure label is schematically as follows：1, liquid extinguisher holding vessel；11, liquid outlet；2, compressed gas storage cylinder fitted；21、
Gas outlet；3, spray gun；31, spray gun seat；311, liquid extinguisher entrance；312, compressed gas entrance；313, level-one mixing chamber；
314, two level mixing chamber；315, fixed stiffening ring；316, reinforcing rib；32, lance tube；33, lance head；34, quick coupling；4, it carries on the back
Plate；41, middle part；42, left side；43, right side；44, shoulder strap；45, locking belt；46, right angle flange；5, liquid delivery tube；
6, air shooter；7, flow control valve；8, check valve.
Specific implementation mode
The technical solution of the utility model is described in further detail below in conjunction with drawings and examples.
Embodiment 1
Shown in Fig. 1 and Fig. 2：A kind of backpack fire extinguisher provided in this embodiment, including liquid extinguisher storage
Tank 1, compressed gas storage cylinder fitted 2, spray gun 3 and backboard 4, the liquid extinguisher holding vessel 1,2 and of compressed gas storage cylinder fitted
Spray gun 3 is detachable to be fixed on the lateral surface of the backboard 4.The spray gun 3 includes spray gun seat 31, lance tube 32 and spray gun
First 33, pass through fast quick access between the spray gun seat 31 and the lance tube 32 and between the lance tube 32 and the lance head 33
First 34 are connected.The spray gun seat 31 is equipped with liquid extinguisher entrance 311 and compressed gas entrance 312, the liquid fire extinguishing
Agent entrance 311 is connected by liquid delivery tube 5 with the liquid outlet 11 of liquid extinguisher holding vessel 1, the compressed gas entrance
312 are connected by air shooter 6 with the gas outlet 21 of compressed gas storage cylinder fitted 2, and the liquid extinguisher entrance 311 is set
It sets in the peripheral side of the compressed gas entrance 312.
Please in conjunction with shown in Fig. 3 and Fig. 4：It is equipped with and 312 same central shaft of the compressed gas entrance in the spray gun seat 31
Level-one mixing chamber 313 and two level mixing chamber 314, the compressed gas entrance 312 and level-one mixing chamber 313 and two level mixing chamber
314 is cylinder, and the internal diameter of level-one mixing chamber 313 is more than the internal diameter of compressed gas entrance 312, two level mixing chamber 314 it is interior
Diameter is more than the internal diameter of level-one mixing chamber 313.
The utility model by liquid extinguisher (can be water or foam solution) by being stored in liquid extinguisher holding vessel 1
In, and compressed gas storage cylinder fitted 2 is configured, liquid extinguisher entrance 311 and compressed gas entrance are set in spray gun seat 31
312, and liquid extinguisher entrance 311 is made to be arranged in the peripheral side of compressed gas entrance 312, and in spray gun seat 31 setting with
The compressed gas entrance 312 makes the interior of level-one mixing chamber 313 with the level-one mixing chamber 313 and two level mixing chamber 314 of central shaft
Diameter is more than the internal diameter of compressed gas entrance 312, and the internal diameter of two level mixing chamber 314 is more than the internal diameter of level-one mixing chamber 313, to make
Liquid extinguisher and compressed gas when entering in level-one mixing chamber 313 at the same time, since compressed gas can be by center around
Diffusion, and liquid extinguisher can from top to bottom be fallen under the effect of gravity, therefore when liquid extinguisher is by the periphery of compressed gas
Into fashionable, fast ram occur for the compressed gas that can and spread to periphery generate molecule to form water mist (or foam beads), from
And it is smoothly pushed to two level mixing chamber 314, then ejected by lance head 33, it quickly stamps out a fire to reach, it can be apparent
Fire-fighting efficiency is improved, can be that complicated landform or narrow space etc. that indoor or car cannot drive into need the fire of individual soldier's fire-fighting operation
Calamity place provides a kind of high-effect fire-extinguishing equipment.
Preferably：
Divide in the liquid outlet 11 of the liquid extinguisher holding vessel 1 and the gas outlet 21 of the compressed gas storage cylinder fitted 2
Not She You flow control valve 7, in order to carry out flow-rate adjustment according to requirements, such as：It is certain in the flow of liquid extinguisher
In the case of, thinner water mist or foam beads can be obtained by increasing the flow of compressed gas.
It is respectively equipped with check valve 8 at the liquid extinguisher entrance 311 and the compressed gas entrance 312, to avoid
It flows backwards.
Stiffening ring 315 is fixed in the end set of the spray gun seat 31, is symmetrical arranged in the fixed stiffening ring 315 more
A with compressed gas entrance 312 is the reinforcing rib 316 (please referring to shown in Fig. 3) of symmetrical centre, is being compressed to avoid spray gun seat 31
The injection force effect of gas issues raw loosening or damage.
The liquid extinguisher entrance 311 is preferably 2, is separately positioned on the both sides of the compressed gas entrance 312, and
The center of two liquid extinguisher entrances 311, which is located at the center of compressed gas entrance 312 in same horizontal line, (please refers to Fig. 3
It is shown), to ensure that liquid extinguisher is mixed with the Quick uniform of compressed gas.
The backboard 4 is equipped with middle part 41 and forms the left side 42 and right side of inside dog-ear with the middle part 41
43, the liquid extinguisher holding vessel 1 is detachable to be fixed on the lateral surface of middle part 41, the compressed gas storage cylinder fitted
2 it is detachable be fixed on the lateral surface of left side 42, the spray gun 3 is detachable to be fixed on the lateral surface of right side 43,
It is installed with a shoulder strap 44 respectively on the medial surface of the left side 42 and right side 43, lock is equipped between left and right shoulder strap 44
The locking belt 45 (please refer to Fig.1 with shown in 2) of connection.By this layout designs, the equilibrium point for bearing gravity not only can guarantee
Cloth meets right hand drill custom, can also reduce and bear rear occupied space, be more advantageous to disappearing in some narrow spaces
Anti- application.
Embodiment 2
Please refer to shown in Fig. 5, a kind of backpack fire extinguisher that the present embodiment is provided, as embodiment 1 difference only
It is：The right angle flange 46 turned up is additionally provided on the top of the backboard 4, in favor of putting on the ground.
It is last it is necessarily pointed out that：The foregoing is merely the preferable specific implementation modes of the utility model, but this
The protection domain of utility model is not limited thereto, and any one skilled in the art discloses in the utility model
In technical scope, the change or replacement that can be readily occurred in should be covered within the scope of the utility model.
Claims (8)
1. a kind of backpack fire extinguisher, it is characterised in that：Including liquid extinguisher holding vessel, compressed gas storage cylinder fitted, spray gun
And backboard, the liquid extinguisher holding vessel, compressed gas storage cylinder fitted and spray gun are detachable to be fixed on the backboard
On lateral surface, the spray gun includes spray gun seat, lance tube and lance head, and the spray gun seat is equipped with liquid extinguisher entrance and pressure
Contracting gas access, the liquid extinguisher entrance are connected by liquid delivery tube with the liquid outlet of liquid extinguisher holding vessel,
The compressed gas entrance is connected by air shooter with the gas outlet of compressed gas storage cylinder fitted；It is set in the spray gun seat
There are level-one mixing chamber and two level mixing chamber with central shaft with the compressed gas entrance, the compressed gas entrance and level-one mixed
It closes chamber and two level mixing chamber is cylinder, the internal diameter of level-one mixing chamber is more than the internal diameter of compressed gas entrance, two level mixing chamber
Internal diameter be more than the internal diameter of level-one mixing chamber, and the liquid extinguisher entrance is arranged in the periphery of the compressed gas entrance
Side.
2. backpack fire extinguisher as described in claim 1, it is characterised in that：The backboard be equipped with middle part and with the centre
Portion forms the left side and right side of inside dog-ear, the detachable outside for being fixed on middle part of liquid extinguisher holding vessel
On face, the compressed gas storage cylinder fitted is detachable to be fixed on the lateral surface of left side, the detachable fixation of spray gun
On the lateral surface of right side.
3. backpack fire extinguisher as claimed in claim 2, it is characterised in that：On the medial surface of the left side and right side
It is installed with a shoulder strap respectively, the locking belt of lock connection is equipped between the shoulder strap of left and right.
4. backpack fire extinguisher as claimed in claim 1 or 2, it is characterised in that：The top of the backboard is straight equipped with turning up
Angle flanging.
5. backpack fire extinguisher as described in claim 1, it is characterised in that：Between the spray gun seat and the lance tube and institute
It states and is connected by quick coupling between lance tube and the lance head.
6. the backpack fire extinguisher as described in claim 1 or 5, it is characterised in that：The end of the spray gun seat is equipped with fixed add
Strong circle, is arranged with multiple using compressed gas entrance as the reinforcing rib of symmetrical centre in the fixed stiffening ring.
7. backpack fire extinguisher as described in claim 1, it is characterised in that：In the liquid outlet of the liquid extinguisher holding vessel
And the gas outlet of the compressed gas storage cylinder fitted is respectively equipped with flow control valve, in the liquid extinguisher entrance and the pressure
Contracting is respectively equipped with check valve at gas access.
8. backpack fire extinguisher as claimed in claim 1 or 7, it is characterised in that：The liquid extinguisher entrance is 2, point
It is not arranged in the both sides of the compressed gas entrance, and the center at the center of two liquid extinguisher entrances and compressed gas entrance
In same horizontal line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721707493.8U CN207614220U (en) | 2017-12-11 | 2017-12-11 | A kind of backpack fire extinguisher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721707493.8U CN207614220U (en) | 2017-12-11 | 2017-12-11 | A kind of backpack fire extinguisher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207614220U true CN207614220U (en) | 2018-07-17 |
Family
ID=62822280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721707493.8U Expired - Fee Related CN207614220U (en) | 2017-12-11 | 2017-12-11 | A kind of backpack fire extinguisher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207614220U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109621259A (en) * | 2019-01-07 | 2019-04-16 | 浙安集团有限公司 | A kind of backpack damping fire extinguisher |
-
2017
- 2017-12-11 CN CN201721707493.8U patent/CN207614220U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109621259A (en) * | 2019-01-07 | 2019-04-16 | 浙安集团有限公司 | A kind of backpack damping fire extinguisher |
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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: 20180717 Termination date: 20191211 |