CN203634696U - Passive fire extinguisher - Google Patents
Passive fire extinguisher Download PDFInfo
- Publication number
- CN203634696U CN203634696U CN201320874517.4U CN201320874517U CN203634696U CN 203634696 U CN203634696 U CN 203634696U CN 201320874517 U CN201320874517 U CN 201320874517U CN 203634696 U CN203634696 U CN 203634696U
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- CN
- China
- Prior art keywords
- fire extinguisher
- valve rod
- gripper shoe
- passive
- holding vessel
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model provides a passive fire extinguisher, belongs to the technical field of fire extinguishing equipment, and is used for solving the technical problems that an existing fire extinguisher cannot be started up actively in fire disasters and the like. The passive fire extinguisher comprises a fire extinguisher body, wherein the upper end of a valve rod extends out of the fire extinguisher body; a contraction part is arranged in the middle part of the valve rod; the lower end of the valve rod is positioned just above an opening of a storage tank, and the valve rod moves downward so as to push the opening of the storage tank open; a compression spring I is arranged between the valve rod and the storage tank; the upper end of the fire extinguisher body is also provided with a support seat which sleeves the valve rod and is fixedly connected with the fire extinguisher body; the support seat is internally provided with a support plate made of a material with the melting point lower than 70 DEG C; the support seat is internally provided with a compression spring II at the compression state; the upper end of the compression spring II butts against the support seat, and the lower end of the compression spring II butts against the support plate; the valve rod is provided with a retainer ring positioned below the support plate. The passive fire extinguisher provided by the utility model has the advantages that the passive fire extinguisher can be started up actively in fire disasters.
Description
Technical field
The utility model belongs to fire-fighting equipment technical field, relates to a kind of passive fire extinguisher.
Background technology
Fire extinguisher is a kind of Portable Fire extinguisher, in fire extinguisher, place chemical substance, in order to rescue fire extinguishing calamity, fire extinguisher is one of common fireproofing installation, leave the place of public place or possibility breaking out of fire in, the composition of filling is different in different types of fire extinguisher, and conventional have dry-powder-type, foam type and a carbon dioxide formula fire extinguisher, must be noted that in order to avoid produce minus effect and cause danger when use.
According to the requirement of NFA safety, the fire-fighting equipments such as fire extinguisher in public building, are all equipped with, in some larger fire, the actual fire extinguisher being used is often a part for these fire extinguishers, most of fire extinguisher is wasted owing to not having suitable opportunity and people to operate, if all fire extinguishers that are equipped with all can be brought into play its effect, the condition of a fire just can be controlled preferably so, loss also can reduce greatly, for this situation, passive fire extinguisher is set, can in the time of breaking out of fire, initiatively open, the effect of playing the control condition of a fire more or less.
Summary of the invention
The purpose of this utility model is the problems referred to above that exist for existing technology, and a kind of passive fire extinguisher is provided, and technical problem to be solved in the utility model is how in the time of breaking out of fire, fire extinguisher to be opened automatically.
The purpose of this utility model can realize by following technical proposal: a kind of passive fire extinguisher, comprise fire extinguisher body, it is characterized in that, in described fire extinguisher body, be provided with valve rod, spout and holding vessel, described valve rod is provided with a contraction flow region, described contraction flow region communicates with described spout, and in the time that moving down, valve rod can make the firing-fighting medium in holding vessel enter into nozzle from contraction flow region, stretch out outside fire extinguisher body the upper end of described valve rod, described contraction flow region is arranged on the middle part of described valve rod, described valve rod lower end be positioned at described holding vessel opening directly over, and valve rod moves down can push holding vessel opening open, between described valve rod and holding vessel, be provided with holddown spring one, the upper end of described fire extinguisher body is also provided with the supporting seat that is set on valve rod and is connected with fire extinguisher body, in described supporting seat, be provided with the gripper shoe that a material that adopts fusing point to be less than 70 ℃ is made, in described supporting seat, be provided with a holddown spring two under impaction state, the upper end of described holddown spring two is leaned on described supporting seat is mutually low, the lower end of described holddown spring two and described gripper shoe is low leans on, described valve rod is provided with a back-up ring that is positioned at gripper shoe below.
Operation principle of the present utility model is: when this fire extinguisher artificially uses, press the valve rod of fire extinguisher body top, make valve rod extruding holddown spring one, and push the opening of holding vessel open, the contraction flow region of firing-fighting medium in holding vessel from holding vessel opening to valve rod, finally spray from nozzle, in the time that fire extinguisher is not used by people, or people are when in use the condition of a fire is large, fire extinguisher body is heated, until softening gripper shoe, make low the leaning on of back-up ring on the crowded gripper shoe of holddown spring two last and valve rod, and open fire extinguisher, on the one hand, the fire extinguisher not being utilized completely discharges whole firing-fighting mediums after can being heated, thereby fire is played to certain control action, on the other hand, people are in the time making to spray fire extinguisher, the condition of a fire is comparatively fierce, fire extinguisher also can initiatively be opened so, operator only need to control fire extinguisher, very laborsaving.
In the passive fire extinguisher of above-mentioned one, described gripper shoe is that paraffin material is made.Melting point of paraffin wax, 60 ℃ of left and right, can be softened in the time that fire extinguisher environment temperature is higher, and in the form of a ring, inner ring is all fixedly connected with supporting seat with outer ring gripper shoe, and in normal use and transportation, gripper shoe can be born the restoring force of holddown spring not by pressure break.
In the passive fire extinguisher of above-mentioned one, in described gripper shoe, be filled with the reinforcing mat being become by weaving textile.Reinforcing mat is just embedded in gripper shoe, is not connected with supporting seat, and the strength increase of stiffener, can avoid compacted spring two tops in transportation to split.
In the passive fire extinguisher of above-mentioned one, between described gripper shoe and back-up ring, there is gap.
In the passive fire extinguisher of above-mentioned one, between described valve rod and fire extinguisher body, seal by sealing ring.
Compared with prior art, the utlity model has following advantage:
1, when this fire extinguisher artificially uses, press the valve rod of fire extinguisher body top, make valve rod extruding holddown spring one, and push the opening of holding vessel open, the contraction flow region of the firing-fighting medium in holding vessel from holding vessel opening to valve rod, finally sprays from nozzle.
2, in the time that fire extinguisher is not used by people, or people are when in use the condition of a fire is large, fire extinguisher body is heated, until softening gripper shoe, make low the leaning on of back-up ring on the crowded gripper shoe of holddown spring two last and valve rod, and open fire extinguisher, on the one hand, the fire extinguisher not being utilized completely discharges whole firing-fighting mediums after can being heated, thereby fire is played to certain control action, on the other hand, people are in the time making to spray fire extinguisher, the condition of a fire is comparatively fierce, fire extinguisher also can initiatively be opened so, operator only need to control fire extinguisher, very laborsaving.
Accompanying drawing explanation
Fig. 1 is the partial sectional view of this fire extinguisher.
Fig. 2 is the enlarged drawing of local A in Fig. 1.
In figure, 1, fire extinguisher body; 2, valve rod; 3, spout; 4, holding vessel; 5, contraction flow region; 61, holddown spring one; 62, holddown spring two; 7, supporting seat; 8, gripper shoe; 9, back-up ring.
The specific embodiment
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
As depicted in figs. 1 and 2, this passive fire extinguisher comprises fire extinguisher body 1, in fire extinguisher body 1, be provided with valve rod 2, spout 3 and holding vessel 4, valve rod 2 is provided with a contraction flow region 5, contraction flow region 5 communicates with spout 3, and in the time that moving down, valve rod 2 can make the firing-fighting medium in holding vessel 4 enter into spout 3 from contraction flow region 5, stretch out outside fire extinguisher body 1 upper end of valve rod 2, contraction flow region 5 is arranged on the middle part of valve rod 2, valve rod 2 lower ends be positioned at holding vessel 4 openings directly over, and valve rod 2 moves down can push holding vessel 4 openings open, between valve rod 2 and holding vessel 4, be provided with holddown spring 1, the upper end of fire extinguisher body 1 is also provided with the supporting seat 7 that is set on valve rod 2 and is connected with fire extinguisher body 1, in supporting seat 7, be provided with the gripper shoe 8 that a material that adopts fusing point to be less than 70 ℃ is made, in supporting seat 7, be provided with a holddown spring 2 62 under impaction state, the upper end of holddown spring 2 62 is leaned on supporting seat 7 is mutually low, the lower end of holddown spring 2 62 and gripper shoe 8 is low leans on, valve rod 2 is provided with a back-up ring 9 that is positioned at gripper shoe 8 belows.
Gripper shoe 8 is made for paraffin material, melting point of paraffin wax is 60 ℃ of left and right, can in the time that fire extinguisher environment temperature is higher, soften, gripper shoe 8 in the form of a ring, inner ring is all fixedly connected with supporting seat 7 with outer ring, in normal use and transportation, gripper shoe 8 can be born the restoring force of holddown spring not by pressure break, in gripper shoe 8, be filled with the reinforcing mat being become by weaving textile, reinforcing mat is just embedded in gripper shoe 8, be not connected with supporting seat 7, the strength increase of stiffener, can avoid compacted spring 2 62 tops in transportation to split.
Between gripper shoe 8 and back-up ring 9, there is gap, between valve rod 2 and fire extinguisher body 1, seal by sealing ring.
Operation principle of the present utility model is: when this fire extinguisher artificially uses, press the valve rod 2 of fire extinguisher body 1 top, make valve rod 2 push holddown spring 1, and push the opening of holding vessel 4 open, the contraction flow region 5 of firing-fighting medium in holding vessel 4 from holding vessel 4 openings to valve rod 2, finally from spout 3 ejections, in the time that fire extinguisher is not used by people, or people are when in use the condition of a fire is large, fire extinguisher body 1 is heated, until softening gripper shoe 8, make low the leaning on of back-up ring 9 on the crowded gripper shoe 8 of holddown spring 2 62 last and valve rod 2, and open fire extinguisher, on the one hand, the fire extinguisher not being utilized completely discharges whole firing-fighting mediums after can being heated, thereby fire is played to certain control action, on the other hand, people are in the time making to spray fire extinguisher, the condition of a fire is comparatively fierce, fire extinguisher also can initiatively be opened so, operator only need to control fire extinguisher, very laborsaving.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (5)
1. a passive fire extinguisher, comprise fire extinguisher body (1), it is characterized in that, in described fire extinguisher body (1), be provided with valve rod (2), spout (3) and holding vessel (4), described valve rod (2) is provided with a contraction flow region (5), described contraction flow region (5) communicates with described spout (3), and in the time that moving down, valve rod (2) can make the firing-fighting medium in holding vessel (4) enter into spout (3) from contraction flow region (5), stretch out outside fire extinguisher body (1) upper end of described valve rod (2), described contraction flow region (5) is arranged on the middle part of described valve rod (2), described valve rod (2) lower end be positioned at described holding vessel (4) opening directly over, and valve rod (2) moves down can push holding vessel (4) opening open, between described valve rod (2) and holding vessel (4), be provided with holddown spring one (61), the upper end of described fire extinguisher body (1) is also provided with and is set in the supporting seat (7) that valve rod (2) is upper and be connected with fire extinguisher body (1), in described supporting seat (7), be provided with the gripper shoe (8) that a material that adopts fusing point to be less than 70 ℃ is made, in described supporting seat (7), be provided with a holddown spring two (62) under impaction state, the upper end of described holddown spring two (62) and described supporting seat (7) lean, the lower end of described holddown spring two (62) and described gripper shoe (8) against, described valve rod (2) is provided with a back-up ring (9) that is positioned at gripper shoe (8) below.
2. passive fire extinguisher according to claim 1, is characterized in that, described gripper shoe (8) is made for paraffin material.
3. passive fire extinguisher according to claim 2, is characterized in that, described gripper shoe is filled with the reinforcing mat being become by weaving textile in (8).
4. passive fire extinguisher according to claim 3, is characterized in that, between described gripper shoe (8) and back-up ring (9), has gap.
5. passive fire extinguisher according to claim 4, is characterized in that, between described valve rod (2) and fire extinguisher body (1), seals by sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320874517.4U CN203634696U (en) | 2013-12-27 | 2013-12-27 | Passive fire extinguisher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320874517.4U CN203634696U (en) | 2013-12-27 | 2013-12-27 | Passive fire extinguisher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203634696U true CN203634696U (en) | 2014-06-11 |
Family
ID=50865981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320874517.4U Expired - Fee Related CN203634696U (en) | 2013-12-27 | 2013-12-27 | Passive fire extinguisher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203634696U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110931674A (en) * | 2019-10-09 | 2020-03-27 | 国网浙江省电力有限公司湖州供电公司 | Low-voltage energy storage device and control method thereof |
-
2013
- 2013-12-27 CN CN201320874517.4U patent/CN203634696U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110931674A (en) * | 2019-10-09 | 2020-03-27 | 国网浙江省电力有限公司湖州供电公司 | Low-voltage energy storage device and control method thereof |
| CN110931674B (en) * | 2019-10-09 | 2022-07-29 | 国网浙江省电力有限公司湖州供电公司 | Low-voltage energy storage device and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140611 Termination date: 20141227 |
|
| EXPY | Termination of patent right or utility model |