CN111779881A - Novel fire extinguisher valve - Google Patents
Novel fire extinguisher valve Download PDFInfo
- Publication number
- CN111779881A CN111779881A CN202010554216.8A CN202010554216A CN111779881A CN 111779881 A CN111779881 A CN 111779881A CN 202010554216 A CN202010554216 A CN 202010554216A CN 111779881 A CN111779881 A CN 111779881A
- Authority
- CN
- China
- Prior art keywords
- valve
- spring
- fire extinguisher
- valve body
- valve core
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0025—Electrical or magnetic means
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C13/00—Portable extinguishers which are permanently pressurised or pressurised immediately before use
- A62C13/76—Details or accessories
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/60—Handles
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a novel fire extinguisher valve, which belongs to the field of fire extinguishers and comprises a valve body and a valve core stop block, wherein a gas channel is arranged in the valve body, a valve core is arranged in the gas channel, a pressing assembly is arranged between the valve core and the valve core stop block, the pressing assembly comprises a first spring, a second spring and a floating piece, a detection ring is arranged on the outer side of the floating piece, a sensor for detecting the position of the detection ring is arranged on the valve core stop block, and a warning assembly for displaying the aging state of the valve is arranged on the outer side of the valve body; the inspection personnel can learn the ageing state of valve through warning subassembly, have solved prior art, and the ageing state of valve is difficult to detect, and the work of putting out a fire and rescuing when leading to the condition of a fire to take place has uncertain problem.
Description
Technical Field
The invention relates to a fire extinguisher structure, in particular to a novel fire extinguisher valve.
Background
In various buildings, portable fire extinguishers are installed in order to cope with sudden fire, and the fire extinguishers are used only under sudden conditions, so that the fire extinguishers are often placed for a long time, and the valve of the fire extinguisher placed for a long time is aged under the influence of various external factors, such as temperature change, mainly reflected by the aging of a spring in the valve, and the aging of the spring can cause the gas in the fire extinguisher to leak out or the fire extinguisher cannot be normally controlled to be opened or closed when the fire extinguisher is used; once a fire occurs, the fire extinguishing work is seriously influenced, and great economic and even life loss is caused; therefore, the maintenance of the fire extinguisher valve is very important, the existing fire extinguisher valve is difficult to judge whether the fire extinguisher valve is aged or not, if the fire extinguisher valve needs to be checked, the fire extinguisher valve needs to be taken down, and for a plurality of fire extinguishers placed in a large building, the valve is detached and checked one by one at intervals, which is obviously unrealistic.
For example, the fire extinguisher valve device disclosed in the chinese patent literature, which is under the publication number CN204610878U, includes a valve body, a valve rod, a spring, a sealing ring and a gasket, and has the disadvantages that when the fire extinguisher is placed in a building for dealing with a sudden fire, the spring may be aged due to long-term non-use, which causes gas leakage in the fire extinguisher, or the switch of the fire extinguisher cannot be normally controlled during use, thereby affecting the fire fighting work and causing great economic or personnel life loss, and if the valve of the fire extinguisher is aged, the spring needs to be pulled after the valve is disassembled, which is too complicated to operate.
Disclosure of Invention
The invention provides a novel fire extinguisher valve, aiming at overcoming the problem that in the prior art, the aging of the fire extinguisher valve is difficult to check, so that a fire extinguisher placed for a long time cannot determine whether the fire extinguisher can still be normally used, and the uncertainty of fire fighting work when fire occurs suddenly is increased.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention discloses a novel fire extinguisher valve, which comprises a valve body, wherein a lower handle is arranged at the upper part of the valve body, an upper handle is connected to the upper part of the valve body, and the upper handle is rotatably connected with the valve body; an L-shaped gas channel for discharging gas is arranged in the valve body, and a valve core for controlling the opening and closing of the gas channel is arranged in the gas channel; the lower end of the valve body is connected with a valve core stop block, a pressing assembly is arranged between the valve core stop block and the valve core and comprises a first spring, a second spring and a floating piece, the upper end of the first spring is connected with the lower end of the valve core, the lower end of the second spring is connected with the upper end of the valve core stop block, and the floating piece is connected with the lower end of the first spring and the upper end of the second spring; the outer side of the floating part is provided with a detection ring, the valve core stop block is provided with a sensor for detecting the position of the detection ring, and the outer side of the valve body is provided with a warning assembly for displaying the aging state of the valve.
The fire extinguisher valve is controlled to be switched on and off by gripping the upper handle and the lower handle, when the upper handle rotates relative to the lower handle, the extrusion block downwards extrudes the valve core, so that the valve core moves downwards, when the valve core moves downwards, the gas channel is opened, and gas in the fire extinguisher can pass through the gas channel and is sprayed out of the fire extinguisher; the compression assembly can reset the valve core when the handle is released; the pressing assembly consists of two springs and a floating part, when the two springs are in an unaged state, the two springs have fixed elastic coefficients, the position of the floating part is kept unchanged under the extrusion action of the two springs, once any one of the two springs is aged, the elastic coefficient is reduced, the original balance of the two springs is broken, the aged springs are compressed, so that the position of the floating part is changed, after the position of the floating part is changed, the position of the detection ring is also changed, so that the sensor cannot detect the floating part, and after the sensor transmits a signal to the warning assembly, an inspector can conveniently observe the aged state of the valve from the outside; even if the two springs are aged, the floating piece still moves due to different aging degrees; through the structure in this scheme, can observe the ageing state of valve through warning subassembly outside the valve body, in case the valve takes place ageing, can in time change it to guaranteed that when the condition of a fire takes place, the fire extinguisher can effectively be used for putting out a fire and rescues.
Preferably, the sensor is a reflection sensor, and the detection ring is made of a reflective material; when the reflection sensor irradiates light to the detection ring, the light can return to the reflection sensor, so that the reflection sensor sends a signal indicating that the valve is not aged, and when the valve is aged, the light sent by the reflection sensor can not be reflected or the reflected quantity is less, then the reflection sensor sends a signal indicating that the valve is aged, so that the valve can conveniently display the aged state.
Preferably, a sensor groove is formed in the outer wall of the valve core stop block, the reflection sensor is installed in the sensor groove, a separation groove is formed in the inner wall of the valve core stop block, a glass block is installed in the separation groove, and the reflection sensor faces the glass block; the glass block can separate the gas channel from the sensor, so that the sensor is prevented from being damaged due to pressure intensity in the gas channel; and the glass block can not block the light emitted by the reflection sensor, so that the use of the sensor can not be influenced.
Preferably, a sealing ring is arranged between the glass block and the separation groove; through the sealing washer can improve the compactness of glass piece and the joint of separating groove, avoid leading to the glass piece to deviate from in the separating groove under the effect of pressure in the gas passage to can prevent that gas from passing the glass piece from the clearance and leading to the sensor to receive the influence of atmospheric pressure.
Preferably, a connection port is arranged between the separation groove and the sensor groove, the reflection sensor faces the connection port, and the aperture of the connection port is smaller than that of the separation groove; the connecting port can allow the light of the reflection sensor to pass through, and the aperture of the connecting port is small, so that the glass block can be prevented from being pressed to the sensor.
Preferably, the warning assembly comprises a warning lamp arranged on the outer side of the valve body; under the condition that the sensor does not detect the detection ring, the warning light shines to the suggestion inspection personnel this fire extinguisher's valve has taken place ageing, and the display mode is comparatively directly perceived.
Preferably, the floating member includes a floating portion and an outside stopper portion, the floating portion being located between the first spring and the second spring; the outer side blocking part is positioned at the outer side of the first spring and the second spring; the outer side blocking part limits the first spring and the second spring in the horizontal direction, so that the floating part is always located between the first spring and the second spring.
Preferably, the floating part of the floating piece is in a ring shape; the gas in the gas passage may pass through the float part, and the float part may have less resistance to gas ejection when the valve is opened.
Preferably, the first spring and the second spring are both conical springs; the conical spring has the effect of reducing buckling relative to a common spring, so that the stability of the pressing assembly can be improved, and the floating part is prevented from deflecting to be clamped on the inner wall of the valve core stop block.
Preferably, the upper handle and the valve body are provided with bolt holes, and the valve body is connected with a bolt which can penetrate through the bolt hole on the upper handle and the bolt hole on the valve body; the bolt can carry on spacingly to the relative rotation of last handle and lower handle, when the fire extinguisher does not use, can insert the bolt in the bolt downthehole mistake of avoiding the fire extinguisher to touch, thereby can extract the bolt and make the last handle be in can pivoted state when the fire extinguisher uses.
Therefore, the invention has the following beneficial effects: (1) the aging state of the valve can be conveniently reflected, so that inspection personnel can conveniently overhaul and replace the aged valve; (2) the sealing effect of the valve is good.
Drawings
Fig. 1 is a cross-sectional view of the present invention.
Fig. 2 is an enlarged view of a portion of the present invention at the stop of the valve cartridge of fig. 1.
Fig. 3 is an enlarged view of a portion of the present invention at the hold down assembly of fig. 2.
In the figure: 1. the valve comprises a valve body 2, a limiting flange 3, a bottle body sealing ring 4, a lower handle 5, an upper handle 6, a rotating shaft 7, a bolt hole 8, a bolt 9, an extrusion block 10, a gas channel 11, an air inlet part 12, an air outlet part 13, a valve core channel 14, a valve core 15, a second sealing ring 16, a valve port 17, a valve core stopper 18, a stopper channel 19, a stopper ring 20, a pressing assembly 21, a first spring 22, a second spring 23, a floating piece 24, a floating part 25, an outer side stopper part 26, a detection ring 27, a reflection sensor 28, a glass block 29, a connecting port 30, a sealing ring 31 and a warning lamp.
Detailed Description
The invention is further described with reference to the following detailed description and accompanying drawings.
In the embodiment shown in fig. 1-2, the novel fire extinguisher valve comprises a valve body 1, wherein an external thread for connecting with a fire extinguisher bottle body is arranged on the outer side of the lower part of the valve body, a limiting flange 2 is arranged above the external thread, a bottle body sealing ring 3 is arranged on the lower side of the limiting flange, a lower handle 4 is arranged on the upper part of the valve body, the valve body is connected with an upper handle 5, a rotating shaft 6 is fixedly arranged on the valve body, the rotating shaft penetrates through the upper handle, and the upper handle is in rotating connection with the valve body at the rotating shaft; the upper handle and the valve body are respectively provided with a bolt hole 7 with the same size, the valve body is connected with a bolt 8, and the bolt can simultaneously penetrate through the bolt hole on the upper handle and the bolt hole on the valve body; a downward convex extrusion block 9 is arranged on the lower side surface of the upper handle; an L-shaped gas channel 10 is arranged in the valve body, the gas channel comprises a gas inlet part 11 in the vertical direction and a gas outlet part 12 in the horizontal direction, the upper end of the gas inlet part is connected with a valve core channel 13, a valve core 14 is installed in the valve core channel in a matching manner, a second sealing ring 15 is installed between the valve core and the valve core channel, the lower end of the valve core is positioned in the gas inlet part, and the gas inlet part comprises a section of valve port 16 with the caliber gradually increasing from top to bottom; the lower end of the valve body is connected with a valve core stop block 17, the outer side of the valve core stop block is provided with external threads, the valve core stop block is connected with the valve body through threads, a stop block channel 18 connected with the gas channel is arranged in the valve core stop block, the side wall of the stop block channel is provided with a stop ring 19, a pressing assembly 20 is arranged between the stop ring and the valve core, the pressing assembly comprises a first spring 21, a second spring 22 and a floating piece 23, the first spring and the second spring are both conical springs, the ends with larger diameters face downwards, the upper end of the first spring is connected with the lower end of the valve core, the lower end of the second spring is connected with the upper end of the valve core stop block, and the floating piece is connected with the lower end of the first spring and the upper end of the second spring; the floating piece comprises a circular floating part 24 and an outer blocking part 25, and the floating part is positioned between the first spring and the second spring; the outer side blocking part is positioned at the outer side of the first spring and the second spring; a detection ring 26 is installed on the outer side of the floating part, the detection ring is made of a reflective material, a sensor groove is formed in the outer side of the valve core stop block, a reflective sensor 27 is installed in the sensor groove, a separation groove is formed in the position, corresponding to the sensor groove, on the inner side of the valve core stop block, a glass block 28 is installed in the separation groove, a connecting port 29 is installed between the separation groove and the sensor groove, and the caliber of the connecting port is smaller than that of the separation groove; a sealing ring 30 is arranged between the glass block and the separation groove; the sensor is connected with a warning lamp 31 arranged on the outer side of the valve body; the warning light does not shine when the sensor detects the detection ring, and emits red light when the sensor cannot detect the detection ring.
When the valve is assembled, the valve core is inserted into the valve core channel from bottom to top, then the pressing assembly is sleeved on the lower side of the valve core, then the valve core stop block is installed on the valve body from bottom to top, and meanwhile the stop ring is extruded to press the pressing assembly.
When the valve is used, the valve is connected with the fire extinguisher bottle body through the external thread at the lower end of the valve body; the gas channel is connected with the inner cavity of the fire extinguisher; the gas can fill the gas inlet part of the gas channel and press the valve core upwards; once the fire extinguisher is needed to extinguish a fire, the bolt is pulled out of the bolt hole, the upper handle and the lower handle are held tightly by hands, the upper handle can rotate relative to the lower handle in the holding process, the extrusion block on the upper handle can press the valve core downwards, so that a gap is formed between the lower end of the valve core and the valve port, the gas channel is opened, and gas is sprayed out from the gas channel; when the hand is released, the valve core is reset under the elastic force of the spring of the pressing assembly, and the lower end of the valve core blocks the valve port again, so that the fire extinguisher stops spraying air.
When the springs in the pressing assembly age due to long-term placement, the elastic coefficients of the springs can change, and the elastic coefficients of the first spring and the second spring cannot change in the same amount due to different diameters and lengths of the first spring and the second spring, so that the original balance between the two springs is broken, the position of the floating part can change, and the position of the detection ring also changes; the position of the detection ring can not be detected by the reflection sensor any more after being changed, so that the reflection sensor sends a signal, the alarm lamp is lightened, and the valve is prompted to be aged by inspectors.
Claims (10)
1. A novel fire extinguisher valve is characterized by comprising a valve body, wherein a lower handle is arranged at the upper part of the valve body, an upper handle is connected to the upper part of the valve body, and the upper handle is rotatably connected with the valve body; an L-shaped gas channel for discharging gas is arranged in the valve body, and a valve core for controlling the opening and closing of the gas channel is arranged in the gas channel; the lower end of the valve body is connected with a valve core stop block, a pressing assembly is arranged between the valve core stop block and the valve core and comprises a first spring, a second spring and a floating piece, the upper end of the first spring is connected with the lower end of the valve core, the lower end of the second spring is connected with the upper end of the valve core stop block, and the floating piece is connected with the lower end of the first spring and the upper end of the second spring; the outer side of the floating part is provided with a detection ring, the valve core stop block is provided with a sensor for detecting the position of the detection ring, and the outer side of the valve body is provided with a warning assembly for displaying the aging state of the valve.
2. The novel fire extinguisher valve as claimed in claim 1, wherein said sensor is a reflective sensor and said sensing ring is a reflective material.
3. The novel fire extinguisher valve according to claim 2, characterized in that the outer wall of the valve core block is provided with a sensor groove, the reflection sensor is installed in the sensor groove, the inner wall of the valve core block is provided with a separation groove, a glass block is installed in the separation groove, and the reflection sensor faces the glass block.
4. The novel fire extinguisher valve as claimed in claim 3, wherein a seal ring is installed between the glass block and the separation groove.
5. The novel fire extinguisher valve according to claim 3, wherein a connection port is provided between the partition groove and the sensor groove, the reflection sensor faces the connection port, and the aperture of the connection port is smaller than that of the partition groove.
6. The novel fire extinguisher valve as claimed in claim 1, wherein said warning assembly includes a warning light mounted on the outside of the valve body.
7. The novel fire extinguisher valve of claim 1, wherein said float member includes a float portion and an outboard stop portion, the float portion being located between said first spring and said second spring; the outer blocking portion is located outside the first spring and the second spring.
8. The novel fire extinguisher valve of claim 7, wherein said float portion of said float member is circular in shape.
9. The novel fire extinguisher valve of claim 7, wherein said first and second springs are conical springs.
10. The novel fire extinguisher valve according to any one of claims 1 to 9, wherein said upper handle and said valve body are provided with latch holes, and said valve body is connected with a latch which can pass through said latch holes on said upper handle and said latch holes on said valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010554216.8A CN111779881B (en) | 2020-06-17 | 2020-06-17 | Novel fire extinguisher valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010554216.8A CN111779881B (en) | 2020-06-17 | 2020-06-17 | Novel fire extinguisher valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111779881A true CN111779881A (en) | 2020-10-16 |
| CN111779881B CN111779881B (en) | 2022-05-13 |
Family
ID=72756792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010554216.8A Active CN111779881B (en) | 2020-06-17 | 2020-06-17 | Novel fire extinguisher valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111779881B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022088618A1 (en) * | 2020-10-26 | 2022-05-05 | 南京灵雀智能制造有限公司 | Quick fire extinguishing apparatus |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87211156U (en) * | 1987-07-31 | 1988-03-30 | 王桂芝 | Head for pressure testing-keeping type dry powder fire extinguisher and pressure gauge |
| US5323142A (en) * | 1991-07-17 | 1994-06-21 | Dresser Industries, Inc. | Accessory for detecting leaking of safety valves |
| KR100224076B1 (en) * | 1996-06-27 | 1999-10-15 | 양재신 | Measuring device of surging in valve spring |
| CN203944061U (en) * | 2014-07-09 | 2014-11-19 | 宋慧 | A kind of fire extinguisher with warning function |
| CN205908754U (en) * | 2016-08-25 | 2017-01-25 | 中国人民解放军装甲兵工程学院 | A air starting valve for heavy engine of equipping |
| CN106678441A (en) * | 2016-11-16 | 2017-05-17 | 浙江欧伦泰防火设备有限公司 | Low-temperature fire extinguisher valve structure |
| TW201805537A (en) * | 2016-08-11 | 2018-02-16 | 鐙順實業股份有限公司 | Sucking disc device achieving the aim of enabling the stable adhesion of the sucking disc piece to be kept |
| CN209154976U (en) * | 2018-08-28 | 2019-07-26 | 江西科安消防技术有限公司 | A kind of high-pressure carbon dioxide fire extinguishing gas cylinder weightlessness radio alarming monitoring system |
-
2020
- 2020-06-17 CN CN202010554216.8A patent/CN111779881B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87211156U (en) * | 1987-07-31 | 1988-03-30 | 王桂芝 | Head for pressure testing-keeping type dry powder fire extinguisher and pressure gauge |
| US5323142A (en) * | 1991-07-17 | 1994-06-21 | Dresser Industries, Inc. | Accessory for detecting leaking of safety valves |
| KR100224076B1 (en) * | 1996-06-27 | 1999-10-15 | 양재신 | Measuring device of surging in valve spring |
| CN203944061U (en) * | 2014-07-09 | 2014-11-19 | 宋慧 | A kind of fire extinguisher with warning function |
| TW201805537A (en) * | 2016-08-11 | 2018-02-16 | 鐙順實業股份有限公司 | Sucking disc device achieving the aim of enabling the stable adhesion of the sucking disc piece to be kept |
| CN205908754U (en) * | 2016-08-25 | 2017-01-25 | 中国人民解放军装甲兵工程学院 | A air starting valve for heavy engine of equipping |
| CN106678441A (en) * | 2016-11-16 | 2017-05-17 | 浙江欧伦泰防火设备有限公司 | Low-temperature fire extinguisher valve structure |
| CN209154976U (en) * | 2018-08-28 | 2019-07-26 | 江西科安消防技术有限公司 | A kind of high-pressure carbon dioxide fire extinguishing gas cylinder weightlessness radio alarming monitoring system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022088618A1 (en) * | 2020-10-26 | 2022-05-05 | 南京灵雀智能制造有限公司 | Quick fire extinguishing apparatus |
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| Publication number | Publication date |
|---|---|
| CN111779881B (en) | 2022-05-13 |
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