CN201886667U - Demonstration fire extinguisher - Google Patents
Demonstration fire extinguisher Download PDFInfo
- Publication number
- CN201886667U CN201886667U CN2010206297108U CN201020629710U CN201886667U CN 201886667 U CN201886667 U CN 201886667U CN 2010206297108 U CN2010206297108 U CN 2010206297108U CN 201020629710 U CN201020629710 U CN 201020629710U CN 201886667 U CN201886667 U CN 201886667U
- Authority
- CN
- China
- Prior art keywords
- cylindrical shell
- charging aperture
- valve
- connecting rod
- handle
- 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 - Lifetime
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 52
- 229910052742 iron Inorganic materials 0.000 claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 8
- 230000003044 adaptive effect Effects 0.000 claims description 12
- 238000005192 partition Methods 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 abstract description 3
- 239000007921 spray Substances 0.000 abstract 6
- 238000005452 bending Methods 0.000 abstract 1
- 230000000903 blocking effect Effects 0.000 abstract 1
- 238000003780 insertion Methods 0.000 abstract 1
- 230000037431 insertion Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000007788 liquid Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000004922 lacquer Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000002966 varnish Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Images
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- Mechanically-Actuated Valves (AREA)
Abstract
The utility model relates to a demonstration fire extinguisher, which comprises a tube body, a barrel cover, a bottom cover, an inner spray pipe and an outer spray pipe, wherein the barrel cover and the bottom cover are connected with the tube body in a sealed way, a fixed handle and a movable handle are arranged on the barrel cover, a torsional spring is arranged between the fixed handle and the movable handle, an insertion pin for preventing the rotation of the movable handle is penetrated and arranged between the fixed handle and the movable handle, the inner spray pipe and the outer spray pipe are communicated through a communication valve arranged in the barrel cover, the communication valve is linked with the movable handle for communicating or blocking the inner spray pipe and the outer spray pipe, the bottom of the tube body is inwards recessed for forming a material inlet, a rubber plug is arranged on the bottom cover, a switch is arranged on a wall body of the material inlet and comprises a magnet and a thin iron block, an L-shaped connecting rod is arranged on the material inlet and is positioned in the tube body, a bending part of the connecting rod is hinged with the wall body of the material inlet, the upper end of the connecting rod is fixed with a floating ball, the lower end of the connecting rod is butted against the thin iron block, and a valve core and a barometer are arranged on the tube body. The demonstration fire extinguisher disclosed by the utility model has the advantages of simple structure and low cost and can be cyclically used.
Description
Technical field
The utility model relates to the demonstration flame snuffer of a kind of fire-fighting fire extinguishing teaching demonstration and training usefulness.
Technical background
Universal knowledge on fire fighting more has significant role to personal safety not only to property safety.The fire drill action effect of community and school is not very big at present, and most of crowd, especially students in middle and primary schools are very few to flame snuffer understanding, and almost do not use flame snuffer.Therefore, the use crowd of expansion flame snuffer seems necessary.
Moreover, after the flame snuffer of manoeuvre training uses up, or scrap, otherwise can only by specialized department once more fill material and pressurization just can reuse, program is loaded down with trivial details, and cost is higher, and is obviously uneconomical.
The utility model content
Be the cost height that overcomes prior art, not re-usable shortcoming, the utility model provides a kind of simple in structure, the with low cost and demonstration flame snuffer that can be recycled.
The demonstration flame snuffer comprises airtight cylindrical shell, is positioned at the bung at cylindrical shell top, be positioned at the bottom of cylindrical shell bottom and be positioned at the inner nozzle of inner barrel, and the outer nozzle that is positioned at the cylindrical shell outside; Described bung and bottom and cylindrical shell are tightly connected, described bung is provided with and affixed fixed handle of bung and the flexible handle hinged with described fixed handle, be provided with torsion spring between described fixed handle and the flexible handle, wear a latch that stops flexible handle to rotate between described fixed handle and the flexible handle; Described inside and outside jet pipe is communicated with by the communicating valve in the bung, and described communicating valve and described flexible handle interlock are to be communicated with or to intercept interior outer nozzle;
It is characterized in that: the bottom indent of described cylindrical shell forms a charging aperture, described bottom is provided with rubber stopper adaptive with described charging aperture, that be tightly connected;
The wall of described charging aperture is provided with the switch of sealing charging aperture on one's body, and described switch comprises the magnet that is fixed in charging aperture wall body and is connected in the thin iron block of charging aperture wall body slidably; Described charging aperture is provided with a L type connecting rod, and described connecting rod is positioned at cylindrical shell, and the corner of described connecting rod and charging aperture wall body are hinged, and a ball float, lower end abutment are fixed in described thin iron block in the upper end of described connecting rod;
Described cylindrical shell is provided with valve inside and barometer.
Further, described communicating valve comprise with the bung internal partition on the adaptive and cover plate that is tightly connected of intercommunicating pore, with the connecting link that is connected described cover plate and flexible handle, described connecting link and described cover plate and flexible handle are and are articulated and connected.
Further, described cylindrical shell is provided with safety valve, and described safety valve comprises the housing affixed with described cylindrical shell, air pressure mouth that the gas in the permission cylindrical shell passes through and the valve plug adaptive with the air pressure mouth, be provided with spring between described valve plug and the housing, vent port is arranged outward on the described housing.
Further, described valve plug is provided with valve cock stem, and described valve cock stem is arranged in housing, on described spring suit and the valve plug; Described valve plug and air pressure mouth all are wedge shape.
Further, described barometer comprises the shell that is fixed on the cylindrical shell, described outer casing bottom is provided with the extension that is communicated with inner barrel, be provided with the rubber tube that is communicated with inner barrel in the described extension, the push pedal that described rubber tube pushing tow one is adaptive with extension, slide along extension, described push pedal is by linkage assembly and pointer interlock, described linkage assembly comprises first sub bar and second sub bar that is articulated and connected, described first sub bar and described push pedal are hinged, and described second sub bar and pointer are hinged.
Further, an end that exposes to charging aperture of described thin iron block is provided with shifting block, described thin iron block with described connecting rod against an end be provided with pulley.
Further, the wall of described charging aperture is provided with on one's body and allows material to enter the interior through hole of cylindrical shell.
Further, described cylindrical shell is equipped with inflator outward.
The utility model is inverted the described bottom of outwarding winding with the cylindrical shell of demonstration flame snuffer before use, and unplug described rubber lid, stir shifting block simultaneously to push thin iron block open, water filling in charging aperture is when liquid contacts with ball float, ball float rises and the rotation of drive L type connecting rod in buoyancy, the L type connecting rod other end forces thin iron block to slide to magnet by pulley, and when resistance that magnet is subjected to greater than thin iron block the gravitation of thin iron block, thin iron block is instantaneous docks with magnet, charging aperture is closed, and water filling stops.
During inflation, the cylindrical shell of demonstration flame snuffer is just put, inflated in cylindrical shell by valve inside with inflator, elastic rubber tube drives pointer because of the difference degrees of expansion difference of pressure in the tube by linkage assembly, and pointer deflects to realize the pressure indicative function; When pressure is excessive in the tube, air will be washed the valve plug of safety valve open, overflow from the vent port of safety valve, realize pressure release.
During use, pull out the latch between fixed handle and the flexible handle, press down flexible handle, water from the outer nozzle ejection, is realized the demonstration effect at last through described inner nozzle and bung.
Because of working environment is a liquid, magnet and thin iron block surface all varnish with lacquer.
The utility model has the advantages that:
1, simple in structure, be easy to produce.
2, raw material is water, and is reusable, economizes on resources.
Description of drawings
Fig. 1 is whole structure figure of the present utility model.
Fig. 2 is the inner structure synoptic diagram of safety valve.
Fig. 3 is the inner structure synoptic diagram of valve inside.
Fig. 4 is barometrical inner structure synoptic diagram.
Embodiment
With reference to accompanying drawing, further specify the utility model:
The demonstration flame snuffer comprises airtight cylindrical shell 1, is positioned at the bung 2 at cylindrical shell 1 top, be positioned at the bottom 3 of cylindrical shell 1 bottom and be positioned at the inner nozzle 4 of cylindrical shell 1 inside, and the outer nozzle 5 that is positioned at cylindrical shell 1 outside; Described bung 2 and bottom 3 are tightly connected with cylindrical shell 1, described bung 2 is provided with and affixed fixed handle 11 of bung 2 and the flexible handle 12 hinged with described fixed handle 11, be provided with torsion spring between described fixed handle 11 and the flexible handle 12, wear a latch 13 that stops flexible handle 12 to rotate between described fixed handle 11 and the flexible handle 12; Described inside and outside jet pipe 4,5 is communicated with by the communicating valves in the bung 2, and described communicating valve and described flexible handle 12 interlocks are to be communicated with or to intercept interior outer nozzle 4,5;
The bottom indent of described cylindrical shell 1 forms a charging aperture 14, described bottom 3 is provided with rubber stopper 31 14 adaptive with described charging aperture, that be tightly connected;
The wall of described charging aperture 14 is provided with the switch of sealing charging aperture on one's body, and described switch comprises the magnet 141 that is fixed in charging aperture wall body and is connected in the thin iron block 142 of charging aperture wall body slidably; Described charging aperture 14 is provided with a L type connecting rod 15, and described connecting rod 15 is positioned at cylindrical shell 1, and the corner of described connecting rod 15 and charging aperture wall body are hinged, and a ball float 151, lower end abutment are fixed in described thin iron block 142 in the upper end of described connecting rod 15;
Described cylindrical shell 1 is provided with valve inside 7 and barometer 6.
Described communicating valve comprise with bung 2 internal partitions 21 on the adaptive and cover plate 23 that is tightly connected of intercommunicating pore 22, with the connecting link 24 that is connected described cover plate 23 and flexible handle 12, described connecting link 24 is with described cover plate 23 and flexible handle 12 and is articulated and connected.
Described cylindrical shell 1 is provided with safety valve 9, described safety valve 9 comprises the housing 91 affixed with described cylindrical shell, allow air pressure mouth 92 that the gas in the cylindrical shell 1 passes through and the valve plug 93 adaptive with air pressure mouth 92, be provided with spring 94 between described valve plug 93 and the housing 91, vent port 95 is arranged outward on the described housing 91.
Described valve plug 93 is provided with valve cock stem 96, and described valve cock stem 96 is arranged in housing 91, on described spring 94 suits and the valve plug 93; Described valve plug 93 and air pressure mouth 92 all are wedge shape.
Described barometer 6 comprises the shell 61 that is fixed on the cylindrical shell 1, described shell 61 bottoms are provided with the extension 62 that is communicated with cylindrical shell 1 inside, be provided with rubber tube 63 in the described extension 62 with cylindrical shell 1 internal communication, the push pedal 64 that described rubber tube 63 pushing tows one and extension be 62 adaptive, slide along extension 62, described push pedal 64 is by linkage assembly and pointer interlock, described linkage assembly comprises first sub bar 651 and second sub bar 652 that is articulated and connected, described first sub bar 651 and described push pedal 64 are hinged, and described second sub bar 652 is hinged with pointer 66.
An end that exposes to charging aperture 14 of described thin iron block 142 is provided with shifting block 143, described thin iron block 142 with described connecting rod 15 against an end be provided with pulley 152.
The wall of described charging aperture 14 is provided with on one's body and allows material to enter the interior through hole 144 of cylindrical shell.
The described cylindrical shell 1 outer inflator 8 that is equipped with.
The utility model before use, the cylindrical shell 1 of demonstration flame snuffer is inverted, the described bottom 3 of outwarding winding, and unplug described rubber lid 31, stir shifting block 143 simultaneously to push thin iron block 142 open, water filling in charging aperture 14, when liquid contacts with ball float 151, ball float 151 rises and 15 rotations of drive L type connecting rod in buoyancy, L type connecting rod 15 other ends force thin iron block 142 to slide to magnet 141 by pulley 152, and when resistance that the gravitation of 141 pairs of thin iron blocks 142 of magnet is subjected to greater than thin iron block 142, thin iron block 142 is instantaneous to be docked with magnet 141, charging aperture 14 is closed, and water filling stops.
During inflation, the cylindrical shell 1 of demonstration flame snuffer is just being put, inflated in cylindrical shell 1 by valve inside 7 with inflator 8, elastic rubber tube 63 is because of the difference degrees of expansion difference of pressure in the tube, drive pointer 66 by linkage assembly, pointer 66 deflects to realize the pressure indicative function; When pressure is excessive in the tube, air will be washed the valve plug 53 of safety valve 5 open, overflow from the vent port 55 of safety valve 5, realize pressure release.
During use, pull out the latch 13 between fixed handle 11 and the flexible handle 12, press down flexible handle 12, water from outer nozzle 5 ejections, is realized the demonstration effect at last through described inner nozzle 4 and bung 2.
Because of working environment is a liquid, magnet 141 and thin iron block 142 surfaces all varnish with lacquer.
The described content of this instructions embodiment only is enumerating the way of realization of utility model design; protection domain of the present utility model should not be regarded as only limiting to the concrete form that embodiment states, protection domain of the present utility model also reach in those skilled in the art according to the utility model design the equivalent technologies means that can expect.
Claims (8)
1. the demonstration flame snuffer comprises airtight cylindrical shell, is positioned at the bung at cylindrical shell top, be positioned at the bottom of cylindrical shell bottom and be positioned at the inner nozzle of inner barrel, and the outer nozzle that is positioned at the cylindrical shell outside; Described bung and bottom and cylindrical shell are tightly connected, described bung is provided with and affixed fixed handle of bung and the flexible handle hinged with described fixed handle, be provided with torsion spring between described fixed handle and the flexible handle, wear a latch that stops flexible handle to rotate between described fixed handle and the flexible handle; Described inside and outside jet pipe is communicated with by the communicating valve in the bung, and described communicating valve and described flexible handle interlock are to be communicated with or to intercept interior outer nozzle;
It is characterized in that: the bottom indent of described cylindrical shell forms a charging aperture, described bottom is provided with rubber stopper adaptive with described charging aperture, that be tightly connected;
The wall of described charging aperture is provided with the switch of sealing charging aperture on one's body, and described switch comprises the magnet that is fixed in charging aperture wall body and is connected in the thin iron block of charging aperture wall body slidably; Described charging aperture is provided with a L type connecting rod, and described connecting rod is positioned at cylindrical shell, and the corner of described connecting rod and charging aperture wall body are hinged, and a ball float, lower end abutment are fixed in described thin iron block in the upper end of described connecting rod;
Described cylindrical shell is provided with valve inside and barometer.
2. demonstration flame snuffer as claimed in claim 1, it is characterized in that: described communicating valve comprise with the bung internal partition on the adaptive and cover plate that is tightly connected of intercommunicating pore, with the connecting link that is connected described cover plate and flexible handle, described connecting link and described cover plate and flexible handle are and are articulated and connected.
3. demonstration flame snuffer as claimed in claim 2, it is characterized in that: described cylindrical shell is provided with safety valve, described safety valve comprises the housing affixed with described cylindrical shell, air pressure mouth that gas in the permission cylindrical shell passes through and the valve plug adaptive with the air pressure mouth, be provided with spring between described valve plug and the housing, vent port is arranged outward on the described housing.
4. demonstration flame snuffer as claimed in claim 3 is characterized in that: described valve plug is provided with valve cock stem, and described valve cock stem is arranged in housing, on described spring suit and the valve plug; Described valve plug and air pressure mouth all are wedge shape.
5. demonstration flame snuffer as claimed in claim 4, it is characterized in that: described barometer comprises the shell that is fixed on the cylindrical shell, described outer casing bottom is provided with the extension that is communicated with inner barrel, be provided with the rubber tube that is communicated with inner barrel in the described extension, described rubber tube pushing tow one is adaptive with extension, push pedal along the extension slip, described push pedal is by linkage assembly and pointer interlock, described linkage assembly comprises first sub bar and second sub bar that is articulated and connected, described first sub bar and described push pedal are hinged, and described second sub bar and pointer are hinged.
6. demonstration flame snuffer as claimed in claim 5 is characterized in that: an end that exposes to charging aperture of described thin iron block is provided with shifting block, described thin iron block with described connecting rod against an end be provided with pulley.
7. demonstration flame snuffer as claimed in claim 6 is characterized in that: the wall of described charging aperture is provided with on one's body and allows material to enter the interior through hole of cylindrical shell.
8. as the described demonstration flame snuffer of one of claim 1-7, it is characterized in that: described cylindrical shell is equipped with inflator outward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206297108U CN201886667U (en) | 2010-11-29 | 2010-11-29 | Demonstration fire extinguisher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206297108U CN201886667U (en) | 2010-11-29 | 2010-11-29 | Demonstration fire extinguisher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201886667U true CN201886667U (en) | 2011-06-29 |
Family
ID=44184215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206297108U Expired - Lifetime CN201886667U (en) | 2010-11-29 | 2010-11-29 | Demonstration fire extinguisher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201886667U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102074149A (en) * | 2010-11-29 | 2011-05-25 | 浙江工业大学 | Demonstration fire extinguisher |
-
2010
- 2010-11-29 CN CN2010206297108U patent/CN201886667U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102074149A (en) * | 2010-11-29 | 2011-05-25 | 浙江工业大学 | Demonstration fire extinguisher |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110629 Effective date of abandoning: 20120530 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20110629 Effective date of abandoning: 20120530 |