CN210786060U - Switch domestic portable fire extinguisher based on many covers face and connect - Google Patents
Switch domestic portable fire extinguisher based on many covers face and connect Download PDFInfo
- Publication number
- CN210786060U CN210786060U CN201921619074.8U CN201921619074U CN210786060U CN 210786060 U CN210786060 U CN 210786060U CN 201921619074 U CN201921619074 U CN 201921619074U CN 210786060 U CN210786060 U CN 210786060U
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- CN
- China
- Prior art keywords
- fire extinguisher
- flow guide
- wall
- inner pipe
- inner tube
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- 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
- 238000002347 injection Methods 0.000 claims abstract description 8
- 239000007924 injection Substances 0.000 claims abstract description 8
- 238000005507 spraying Methods 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims abstract description 4
- 239000000203 mixture Substances 0.000 claims abstract description 4
- 238000010079 rubber tapping Methods 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 abstract description 19
- 239000003814 drug Substances 0.000 abstract description 7
- 239000008157 edible vegetable oil Substances 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 6
- 238000002485 combustion reaction Methods 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 239000007921 spray Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 150000001350 alkyl halides Chemical class 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000006757 chemical reactions by type Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 210000005224 forefinger Anatomy 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
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Abstract
A joint of a household handheld fire extinguisher based on multi-coverage-surface switching comprises an inner tube and an outer tube which are arranged in a hollow mode, wherein an external thread is arranged on the outer wall of the inner tube, an internal thread matched with the external thread is tapped on the inner wall of the outer tube for use, the inner tube is in threaded connection with the outer tube, the inner tube comprises an inner tube outlet and an inner tube inlet in threaded connection with a fire extinguisher nozzle, a near-distance air injection assembly is fixedly installed on the inner tube outlet, the outer tube comprises an outer tube inlet and an outer tube outlet arranged for spraying a gas-liquid mixture, a flow guide assembly installation base is fixedly installed at the end part of the outer tube outlet, and a; when the jet-propelled subassembly of low coverage moved to the inner tube exit, the clearance that is the slope form between water conservancy diversion piece and the hollow round platform body was for fire extinguishing agent blowout clearance, and is fan-shaped cover surface when fire extinguisher medicament was erupted, can in time increase the contact surface on fire extinguishing agent and the edible oil surface that is in the combustion state when kitchen edible oil was put out a fire, reduces and puts out a fire the time with.
Description
Technical Field
The utility model relates to a fire extinguisher field, in particular to switch domestic portable fire extinguisher based on many covers face and connect.
Background
The fire extinguisher is a portable fire extinguishing tool, and chemical articles are placed in the fire extinguisher for rescuing and extinguishing fire. The fire extinguisher is one of the common fire-proof facilities, is stored in public places or places where fires may happen, different kinds of fire extinguishers are filled with different components and are specially designed for different fires, and the fire extinguisher has to be paid attention to avoid adverse effects and causing dangers when in use, and the fire extinguishers are various, and can be divided into the following types according to the moving modes: hand-held and cart-based; the power sources for driving the fire extinguishing agent can be divided into: gas storage bottle type, pressure storage type, chemical reaction type; the fire extinguishing agent filled in the fire extinguishing agent can be divided into: foams, dry powders, alkyl halides, carbon dioxide, clear water, and the like;
for hand fire extinguisher, when putting out a fire, the fire source fire extinguishing mode of contrast same type is also different, for example when putting out a fire work to kitchen edible oil fire source, need carry out the top region of coverage area to the flame and cover and put out a fire, dilute the oxygen content around the fire source, hinder fresh air and get into the combustion area, make the oxygen concentration greatly reduced in the combustion area, increase the cover of fire extinguishing agent and fire source is especially important in the time of putting out a fire to the reduction of face when the cover face is put out a fire, current fire extinguisher joint form is single, can not change the coverage area that fire extinguishing agent constitutes after being spouted according to the fire source situation, the event provides a kind of fire extinguisher joint that can constantly alternate the fire extinguishing agent coverage in the short time.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to prior art not enough, provides and switches domestic portable fire extinguisher joint based on many cover faces.
The technical problem to be solved by the utility model is realized by the following technical proposal, comprising an inner tube and an outer tube which are arranged in a hollow way, wherein, the outer wall of the inner tube is provided with an external thread, the inner wall of the outer tube is provided with an internal thread which is matched with the external thread for use, and the inner tube is connected with the outer tube by screw thread;
the inner pipe comprises an inner pipe outlet and an inner pipe inlet which is in threaded connection with a nozzle of the fire extinguisher, and a close-range air injection assembly is fixedly arranged on the inner pipe outlet;
the outer pipe comprises an outer pipe inlet and an outer pipe outlet for spraying a gas-liquid mixture, a flow guide assembly mounting base is fixedly mounted at the end part of the outer pipe outlet, and a flow guide assembly is fixedly mounted on the flow guide assembly mounting base;
the flow guide assembly mounting base comprises 4 flow guide assembly mounting ribs, one end parts of the flow guide assembly mounting base are mutually connected, the flow guide assembly comprises a shaft body fixedly mounted on one end parts of the 4 flow guide assembly mounting ribs, reciprocating threads are tapped on the shaft body, a nut capable of moving on the reciprocating threads is mounted on the shaft body, a mounting column is fixedly mounted on the outer wall of the nut, and a plurality of flow guide pieces are fixedly mounted on the outer wall of the mounting column;
a flow guide block is fixedly arranged above the shaft body.
The technical problem to be solved by the utility model can also be realized by the following technical scheme that the above-mentioned household hand-held fire extinguisher joint based on multi-coverage switching, the short-distance air injection assembly comprises a hollow circular truncated cone fixedly installed on the outlet of the inner tube, and the small-radius bottom surface of the hollow circular truncated cone is fixedly installed with the outlet of the inner tube and is arranged in a through manner;
the inner diameter of the large-radius bottom surface of the hollow circular truncated cone is smaller than the gap between the inner walls of the outlets of the outer pipes by 5 cm;
the inner diameter of the small-radius bottom surface of the hollow circular truncated cone is larger than the maximum radial distance of the flow deflector mounting column by 3 cm.
The to-be-solved technical problem of the utility model can also be realized through following technical scheme, above based on many cover face switch domestic portable fire extinguisher connects, fixed mounting has the scale bar that the sign has the scale mark on the outer wall of inner tube.
The to-be-solved technical problem of the utility model can also be realized through following technical scheme, above based on many cover face switch domestic portable fire extinguisher connects, the length of reciprocal screw thread accounts for the 75% setting of axis body overall length on the axis body.
The to-be-solved technical problem of the utility model can also be realized through following technical scheme, above based on many cover face switch domestic portable fire extinguisher connects, the outer wall of inner tube on external screw thread length account for the total 50% setting of outer wall of inner tube.
The technical problem to be solved by the utility model can also be realized by the following technical scheme that the above-mentioned domestic hand-held fire extinguisher joint is switched based on multiple covering surfaces, the guide vane mounting column is in the shape of an inverted hollow round table, and 8 guide vanes are arranged on the guide vane mounting column;
the technical problem to be solved by the utility model can be realized by the following technical proposal that the flow deflector is obliquely and fixedly arranged on the outer wall of the flow deflector mounting column based on the multi-covering surface switching household portable fire extinguisher joint;
the cross section of the flow deflector is rectangular.
The to-be-solved technical problem of the utility model can also be realized through following technical scheme, above based on many cover face switch domestic portable fire extinguisher connects, the circular platform form setting of the transversal personally submitting inversion of water conservancy diversion piece.
Compared with the prior art, the utility model has the advantages that: when the short-distance jet assembly moves to the outlet of the inner pipe, the inclined gap between the flow guide block and the hollow circular truncated cone body is a fire extinguishing agent jetting gap, and the fire extinguishing agent is jetted to form a fan-shaped covering surface, so that when the kitchen edible oil is used for extinguishing fire, the contact surface between the fire extinguishing agent and the surface of the edible oil in a combustion state can be increased in time, and the time for extinguishing fire is reduced; the scale bar of fixed mounting on the inner tube outer wall is used for reading the interval between inner tube and the outer tube, thereby prevents to rotate the rotation of outer tube excessively when using and makes to screw off the outer tube from the inner tube completely, and its structural design is reasonable, and it is portable to use, and fire extinguishing performance is good.
Drawings
FIG. 1 is a schematic structural view of the present invention before use;
FIG. 2 is a schematic view of the present invention in use;
fig. 3 is a schematic top view of the nut-mounted baffle mounting post of the present invention;
fig. 4 is a schematic view of the top view structure of the 4 guide assembly mounting ribs of the present invention.
Detailed Description
The embodiments of the present invention will be further described with reference to the accompanying drawings so as to facilitate the further understanding of the present invention by those skilled in the art, and do not limit the right thereto.
Embodiment 1, refer to fig. 1-4, switch over the joint of the domestic hand fire extinguisher on the basis of multiple cover surfaces, including hollow inner tube 1 and outer tube 2 that set up, possess the external screw thread on the outer wall of the inner tube 1, tap the internal thread used with the external screw thread on the inner wall of the outer tube 2, the inner tube 1 is connected with the external thread 2;
the inner pipe 1 comprises an inner pipe outlet 3 and an inner pipe inlet 4 which is in threaded connection with a nozzle of the fire extinguisher, and a close-range air injection assembly is fixedly arranged on the inner pipe outlet 3;
the outer pipe 2 comprises an outer pipe inlet 5 and an outer pipe outlet 6 for spraying a gas-liquid mixture, a flow guide assembly mounting base 7 is fixedly mounted at the end part of the outer pipe outlet 6, and a flow guide assembly is fixedly mounted on the flow guide assembly mounting base 7;
the flow guide assembly mounting base 7 comprises 4 flow guide assembly mounting ribs 8, one end parts of the flow guide assembly mounting ribs are mutually connected, the flow guide assembly comprises a shaft body 9 fixedly mounted on one end part of each of the 4 flow guide assembly mounting ribs 8, reciprocating threads 10 are tapped on the shaft body 9, a nut 11 capable of moving on the reciprocating threads 10 is mounted on the shaft body 9, a mounting column 12 is fixedly mounted on the outer wall of the nut 11, and a plurality of flow guide sheets 13 are fixedly mounted on the outer wall of the mounting column 12; the cross section of the flow guide assembly mounting rib 8 is rectangular;
a deflector block 16 is also fixedly arranged above the shaft body 9.
In the embodiment 2, the multi-coverage switching-based joint for the household portable fire extinguisher in the embodiment 1, the near distance air injection assembly comprises a hollow circular truncated cone 14 fixedly installed on the outlet 3 of the inner pipe, and the small-radius bottom surface of the hollow circular truncated cone 14 is fixedly installed and communicated with the outlet 3 of the inner pipe;
the inner diameter of the large-radius bottom surface of the hollow round table body 14 is smaller than the gap between the inner walls of the outer pipe outlet 6 by 5 cm;
the inner diameter of the small-radius bottom surface of the hollow circular truncated cone 14 is larger than the maximum radial distance of 3cm of the guide vane mounting column 12.
Example 4, the joint for a switching home fire extinguisher based on multiple covering surfaces described in example 1, the length of the reciprocating screw thread 10 on the shaft body 9 is set to be 75% of the total length of the shaft body 9.
Example 5, the hand-held fire extinguisher joint for household based on multi-covered switching as described in example 1, the length of the external thread on the outer wall of the inner pipe 1 is set to be 50% of the total length of the outer wall of the inner pipe 1.
In the embodiment 6, the multi-covering-surface switching-based joint for the household portable fire extinguisher in the embodiment 1, the guide vane mounting column 12 is arranged in an inverted hollow circular truncated cone shape, and 8 guide vanes 13 are arranged on the guide vane mounting column 12;
the guide vane 13 is obliquely and fixedly arranged on the outer wall of the guide vane mounting column 12;
the cross section of the guide vane 13 is rectangular. The baffle 13 is 75 settings with the horizontal plane contained angle, should set up to current design, thereby its technical effect only for make spun fire extinguishing agent can with baffle 13 surface contact make with baffle erection column 12 fixed mounting's nut 11 rotate on the pivot can.
In the embodiment 7 and the multi-covering-surface switching type joint for the household portable fire extinguisher, which is described in the embodiment 1, the cross section of the flow guide block 16 is arranged in an inverted circular truncated cone shape.
When in use, the inner tube inlet 4 is fixedly arranged on a fire extinguisher nozzle, or the inner tube inlet 4 is fixedly arranged on the outlet end of a hose spray pipe fixedly connected with a fire extinguisher medicament spray outlet, threads can be tapped on the inner wall of the inner tube inlet 4 in advance, and then threads matched with the inner wall of the inner tube inlet 4 are tapped on the fire extinguisher medicament spray outlet or the inner wall of the hose spray pipe to finish the installation of the inner tube 1 and the fire extinguisher, after the installation, if the portable fire extinguisher in the existing design is normally used, when the fire extinguishing medicament is sprayed out through the fire extinguisher nozzle or the hose spray pipe, the fire extinguishing medicament enters the inner wall of the inner tube 1 and enters the hollow circular platform body 14 fixedly arranged on the inner tube outlet 3 through the inner tube outlet 3, at the moment, the flow deflector 13 in the short distance air injection assembly in the outer tube 2 positioned on the outer wall of the inner tube 1 is subjected to the fire extinguishing medicament passing at high speed, the reciprocating screw thread 10 along the shaft body 9 moves up and down and rotates, when rotating, the installation angle of the deflector 13 is different, and the flowing direction of the fire extinguishing agent is different, the air flow direction of the fire extinguishing agent can be changed to a certain extent, during the process, the outer pipe 2 can be rotated by the thumb and the forefinger of one hand, the distance between the inner pipe inlet 4 and the outer pipe inlet 5 can be determined according to the numerical value displayed on the scale strip 15 positioned on the inner pipe 1, when the distance is slowly reduced until the distance between the large radius bottom surface of the hollow circular truncated cone 14 and the guide component installation rib 8 is 5cm, the distance between the inner pipe inlet 4 and the outer pipe inlet 5 can be measured in advance to judge the distance of 5cm, at the moment, the fire extinguishing agent can only pass through the inner surface of the hollow circular truncated cone 14 and the outer surface of the guide block 16, because the longitudinal sections of the hollow circular truncated cone 14 and the guide block 16 are in an inverted trapezoidal shape, therefore, the spraying direction of the fire extinguishing agent can be inclined when the fire extinguishing agent is sprayed, the flow speed of the fire extinguishing agent sprayed on the inner surface of the hollow circular truncated cone 14 is increased, the spraying surface is a sector covering surface, the contact surface of the fire extinguishing agent and a combustion object such as edible oil is increased as much as possible, fire extinguishing can be realized in a short time, the structural design is reasonable, and the fire extinguishing effect is good.
Claims (7)
1. The utility model provides a switch domestic portable fire extinguisher joint based on many covers face which characterized in that: the inner pipe and the outer pipe are arranged in a hollow mode, external threads are arranged on the outer wall of the inner pipe, internal threads matched with the external threads are arranged on the inner wall of the outer pipe in a tapping mode, and the inner pipe is in threaded connection with the outer pipe;
the inner pipe comprises an inner pipe outlet and an inner pipe inlet which is in threaded connection with a nozzle of the fire extinguisher, and a close-range air injection assembly is fixedly arranged on the inner pipe outlet;
the outer pipe comprises an outer pipe inlet and an outer pipe outlet for spraying a gas-liquid mixture, a flow guide assembly mounting base is fixedly mounted at the end part of the outer pipe outlet, and a flow guide assembly is fixedly mounted on the flow guide assembly mounting base;
the flow guide assembly mounting base comprises 4 flow guide assembly mounting ribs, one end parts of the flow guide assembly mounting base are mutually connected, the flow guide assembly comprises a shaft body fixedly mounted on one end parts of the 4 flow guide assembly mounting ribs, reciprocating threads are tapped on the shaft body, a nut capable of moving on the reciprocating threads is mounted on the shaft body, a mounting column is fixedly mounted on the outer wall of the nut, and a plurality of flow guide pieces are fixedly mounted on the outer wall of the mounting column;
a flow guide block is fixedly arranged above the shaft body.
2. The multi-coverage switching home fire extinguisher fitting according to claim 1, wherein: the short distance air injection assembly comprises a hollow circular truncated cone fixedly arranged on the outlet of the inner pipe, and the small-radius bottom surface of the hollow circular truncated cone is fixedly arranged with and communicated with the outlet of the inner pipe;
the inner diameter of the large-radius bottom surface of the hollow circular truncated cone is smaller than the gap between the inner walls of the outlets of the outer pipes by 5 cm;
the inner diameter of the small-radius bottom surface of the hollow circular truncated cone is larger than the maximum radial distance of the flow deflector mounting column by 3 cm.
3. The multi-coverage switching home fire extinguisher fitting according to claim 1, wherein: and a scale bar marked with scale marks is fixedly arranged on the outer wall of the inner pipe.
4. The multi-coverage switching home fire extinguisher fitting according to claim 1, wherein: the length of the reciprocating screw thread on the shaft body accounts for 75% of the total length of the shaft body.
5. The multi-coverage switching home fire extinguisher fitting according to claim 1, wherein: the length of the external thread on the outer wall of the inner pipe accounts for 50% of the total length of the outer wall of the inner pipe.
6. The multi-coverage switching home fire extinguisher fitting according to claim 1, wherein: the guide vane mounting columns are arranged in an inverted hollow round table shape, and 8 guide vanes are arranged on the guide vane mounting columns;
the flow deflector is obliquely and fixedly arranged on the outer wall of the flow deflector mounting column;
the cross section of the flow deflector is rectangular.
7. The multi-coverage switching home fire extinguisher fitting according to claim 1, wherein: the cross section of the flow guide block is arranged in an inverted round table shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921619074.8U CN210786060U (en) | 2019-09-26 | 2019-09-26 | Switch domestic portable fire extinguisher based on many covers face and connect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921619074.8U CN210786060U (en) | 2019-09-26 | 2019-09-26 | Switch domestic portable fire extinguisher based on many covers face and connect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210786060U true CN210786060U (en) | 2020-06-19 |
Family
ID=71236740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921619074.8U Expired - Fee Related CN210786060U (en) | 2019-09-26 | 2019-09-26 | Switch domestic portable fire extinguisher based on many covers face and connect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210786060U (en) |
-
2019
- 2019-09-26 CN CN201921619074.8U patent/CN210786060U/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: 20200619 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |