CN219323808U - Fire extinguishing device with pressure relief and airtight functions - Google Patents
Fire extinguishing device with pressure relief and airtight functions Download PDFInfo
- Publication number
- CN219323808U CN219323808U CN202320340403.5U CN202320340403U CN219323808U CN 219323808 U CN219323808 U CN 219323808U CN 202320340403 U CN202320340403 U CN 202320340403U CN 219323808 U CN219323808 U CN 219323808U
- Authority
- CN
- China
- Prior art keywords
- fire extinguishing
- cover
- pressure relief
- inner cover
- function according
- 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.)
- Active
Links
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 40
- 238000007789 sealing Methods 0.000 claims abstract description 17
- 238000005507 spraying Methods 0.000 claims abstract description 15
- 239000007921 spray Substances 0.000 claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 230000006835 compression Effects 0.000 claims description 14
- 238000007906 compression Methods 0.000 claims description 14
- 239000000443 aerosol Substances 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 12
- 239000000126 substance Substances 0.000 description 7
- 238000001514 detection method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 2
- 239000003566 sealing material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model discloses a fire extinguishing device with pressure relief and airtight functions, which comprises a shell, wherein the front side of the shell is connected with an outer cover, a fire extinguishing agent is arranged in the shell and is connected with the tail end of a starting part, a plurality of L-shaped nozzles are arranged on the side part of the outer cover, an inner cover is arranged in the outer cover, a plurality of spray holes matched with the L-shaped nozzles are arranged on the side part of the inner cover, and a cover rotating mechanism for rotating the inner cover is arranged on the inner side of the outer cover and the outer side of the inner cover; the utility model can maintain good sealing performance before fire extinguishment, can not influence spraying after starting, and can simultaneously relieve pressure in time.
Description
Technical Field
The utility model relates to the technical field of fire protection, in particular to a fire extinguishing device with pressure relief and airtight functions.
Background
The fire extinguishing device is transported, used and stored, and the fire extinguishing agent can be influenced by factors such as high humidity and salt corrosion to cause the condition that the fire extinguishing agent is invalid, so that the tightness of the fire extinguishing device can influence the overall service life of the fire extinguishing device, a traditional sealing mode usually adopts conventional means such as a sealing plug, a pressure release diaphragm and the like, but the sealing material is also influenced by the environmental factors, and the sealing material is damaged in the transportation and jolt process, so that the fire extinguishing device with good tightness is required, and the spraying fire extinguishing device cannot be influenced after the fire extinguishing device is started. In addition, the internal pressure of the existing fire extinguishing device suddenly increases in the starting stage, and the risk of explosion exists, so that the important consideration is needed to be paid on how to timely release pressure in the starting stage of the fire extinguishing device.
Disclosure of Invention
The utility model aims to overcome the defects, and provides the fire extinguishing device with the pressure relief and sealing functions, which can keep good sealing performance before fire extinguishment, can not influence spraying after starting, and can relieve pressure in time.
The utility model aims to solve the technical problems, and adopts the technical scheme that: the utility model provides a take extinguishing device of pressure release and airtight function, includes the casing, and the casing front side is connected with the enclosing cover, is equipped with fire extinguishing agent in the casing, fire extinguishing agent and start-up part end-to-end connection, a plurality of L type spouts have been seted up to the enclosing cover lateral part, and the enclosing cover is inside to be equipped with the inner cup, and the inner cup lateral part is equipped with a plurality of spouts with L type spout complex, the enclosing cover inboard is equipped with the spiral cover mechanism that is used for rotatory inner cup with the inner cup outside.
Preferably, the spiral cover mechanism comprises a compression spring arranged between the top of the inner cover and the top of the outer cover, a sliding ring in sliding fit with the outer surface of the inner cover is sleeved on the outer surface of the inner cover, a plurality of inclined plane pushing rods are vertically arranged on the outer edge of the sliding ring, a plurality of inclined plane follow-up rods are vertically arranged on the outer side of the inner cover, the inclined plane of the top of the inclined plane pushing rods is matched with the inclined plane of the bottom of the inclined plane follow-up rods, a plurality of limiting clamping grooves are formed in the inner side wall of the outer cover, a clearance channel between the limiting clamping grooves is matched with the inclined plane follow-up rods and the inclined plane pushing rods, and a chute is formed in the top of the limiting clamping grooves.
Preferably, the outer cap and the inner cap are both cylindrical structures with closed top and open bottom.
Preferably, the bottom of the inner cover outwards forms a flanging, the top of the flanging is matched with the bottom of the sliding ring, and the bottom of the flanging is abutted against the front end of the shell.
Preferably, the sliding ring outer edge is a plurality of inclined plane catch levers of even vertical setting of annular array, the inner cup outside is a plurality of inclined plane follower levers of even vertical setting of annular array, the enclosing cover inside wall is annular array and evenly sets up a plurality of spacing draw-in grooves, the enclosing cover lateral part is annular array and evenly sets up a plurality of L type spouts, the inner cup lateral part is annular array and evenly sets up a plurality of orifices.
Preferably, one end of the L-shaped nozzle is a pressure relief area, and the other end of the L-shaped nozzle is a spraying area.
Preferably, the starting component is an electric ignition head or a thermosensitive wire structure.
Preferably, the fire extinguishing agent comprises a gas generating agent at the bottom and a dry powder fire extinguishing agent at the top.
Preferably, the fire extinguishing agent is an aerosol fire extinguishing agent or a grain made of the aerosol fire extinguishing agent.
Preferably, the front side of the housing is threadedly coupled to the underside of the outer cap.
The utility model has the beneficial effects that:
1. the utility model can keep good sealing performance before fire extinguishment, can not influence the spraying after starting, and can simultaneously relieve pressure in time;
2. the utility model can rotate the inner cover when the fire extinguishing device is started due to the arrangement of the spiral cover mechanism, so that the pressure release area of the L-shaped nozzle is overlapped with the spray hole, and then the spray area of the L-shaped nozzle is overlapped with the spray hole, thereby realizing the dual functions of pressure release and spray.
3. The L-shaped nozzle has ingenious L-shaped structural design, has two functions, and can timely relieve pressure in the starting stage of the fire extinguishing device and normally spray fire extinguishing substances in the fire extinguishing stage to perform the fire extinguishing process.
4. The compression spring in the cap screwing mechanism can be designed according to the spraying pressure of the actual fire extinguishing agent, the elasticity of the compression spring is easier to control, the compression spring with corresponding elastic force is selected through the fire extinguishing agent spraying test, so that the compression spring can be pressed and shortened in the starting stage, the inner cap is rebound-pressed to move downwards in normal spraying, the inclined surface at the bottom of the inclined surface follow-up rod moves downwards along the large inclined surface formed by the inclined surface pushing rod top inclined surface and the inclined groove inclined surface, and the inner cap rotates along with the inclined surface in the downward moving process, so that the moving process is simplified by introducing the compression spring, and the production, popularization and application processes of the fire extinguishing device are facilitated.
Drawings
FIG. 1 is a schematic view of the internal structure of a fire extinguishing apparatus with pressure relief and sealing functions;
FIG. 2 is an enlarged schematic view of the area of the cover in FIG. 1;
FIG. 3 is a schematic exploded view of the outer cap, inner cap and sliding ring of FIG. 2;
FIG. 4 is a schematic view of the structure of the fire extinguishing device in the start-up phase when the pressure release area of the L-shaped nozzle in FIG. 2 coincides with the nozzle;
fig. 5 is a schematic view of the structure of the fire extinguishing device when the spraying area of the L-shaped nozzle in fig. 2 coincides with the spraying hole during the fire extinguishing stage.
Detailed Description
The utility model is described in further detail below with reference to the drawings and the specific examples.
As shown in fig. 1 to 5, a fire extinguishing device with pressure relief and airtight functions comprises a shell 1, wherein the front side of the shell 1 is connected with an outer cover 2, a fire extinguishing agent 3 is arranged in the shell 1, the fire extinguishing agent 3 is in end connection with a starting component 4, a plurality of L-shaped nozzles 5 are formed in the side part of the outer cover 2, an inner cover 6 is arranged in the outer cover 2, a plurality of spray holes 7 matched with the L-shaped nozzles 5 are formed in the side part of the inner cover 6, and a cap screwing mechanism 8 for rotating the inner cover 6 is arranged on the inner side of the outer cover 2 and the outer side of the inner cover 6.
Preferably, the cap screwing mechanism 8 comprises a compression spring 8.1 arranged between the top of the inner cap 6 and the top of the outer cap 2, a sliding ring 8.2 in sliding fit with the outer surface of the inner cap 6 is sleeved on the outer surface of the inner cap 6, a plurality of inclined-plane pushing rods 8.3 are vertically arranged on the outer edge of the sliding ring 8.2, a plurality of inclined-plane follow-up rods 8.4 are vertically arranged on the outer side of the inner cap 6, the inclined plane at the top of the inclined-plane pushing rods 8.3 is matched with the inclined plane at the bottom of the inclined-plane follow-up rods 8.4, a plurality of limiting clamping grooves 8.5 are formed in the inner side wall of the outer cap 2, and a gap channel 8.6 between the limiting clamping grooves 8.5 is matched with the inclined-plane follow-up rods 8.4 and the inclined-plane pushing rods 8.3, and a chute 8.7 is formed in the top of the limiting clamping grooves 8.5.
Preferably, the outer cap 2 and the inner cap 6 are both cylindrical structures with closed top and open bottom.
Preferably, the bottom of the inner cover 6 is outwards formed into a turned edge 6.1, the top of the turned edge 6.1 is matched with the bottom of the sliding ring 8.2, and the bottom of the turned edge 6.1 is abutted against the front end of the shell 1. After the flanging 6.1 is arranged, when the inner cover 6 moves upwards, the sliding ring 8.2 can be driven to move upwards; meanwhile, before a fire disaster occurs, the inner cover 6 needs to be kept unchanged in position under the elastic action of the compression spring 8.1, and at the moment, the bottom of the flanging 6.1 is abutted against the front end of the shell 1, so that the inner cover 6 can be supported.
Preferably, the sliding ring 8.2 outer fringe is the even vertical a plurality of inclined plane catch levers 8.3 that set up of annular array, the inner cup 6 outside is the even vertical a plurality of inclined plane follower levers 8.4 that set up of annular array, the outer cup 2 inside wall is the even a plurality of spacing draw-in grooves 8.5 that set up of annular array, the outer cup 2 lateral part is the even a plurality of L type spouts 5 that set up of annular array, the inner cup 6 lateral part is the even a plurality of orifices 7 that set up of annular array.
Preferably, one end of the L-shaped nozzle 5 is a pressure relief area, and the other end is a spraying area. The L-shaped nozzle 5 has two functions, namely, the pressure can be released in time in the starting stage of the fire extinguishing device, and the fire extinguishing process can be performed by spraying fire extinguishing substances normally in the normal fire extinguishing stage.
Preferably, the starting member 4 is an electric ignition head or a heat-sensitive wire structure. When the starting component 4 is of an electric ignition head structure, the starting component is connected with a fire detection device of the fire detection device, wherein the fire detection device is a temperature sensor and/or a smoke sensor, when fire, overheat and the like occur, the fire detection device detects that the outside generates a high-temperature environment due to the fire and then sends a signal to the microprocessor, and the microprocessor controls the starting component 4 to ignite the fire extinguishing agent. When the starting component 4 is in a thermosensitive line structure, the thermosensitive line structure is simpler, so that the thermosensitive line can be automatically started when a fire disaster occurs, and the thermosensitive line directly ignites the fire extinguishing agent without being matched with an additional fire disaster detection device and other external equipment.
Preferably, as shown in fig. 1, the extinguishing agent 3 includes a gas generating agent 3.1 at the bottom and a dry powder extinguishing agent 3.2 at the top. Preferably, the gas generating agent 3.1 can be an aerosol generating agent, and when the starting component 4 initiates the gas generating agent 3.1, the gas generating agent 3.1 generates a large amount of aerosol gas to form larger pressure, so that the dry powder extinguishing agent 3.2 can be sprayed out to participate in the extinguishing process.
Preferably, the extinguishing agent 3 is an aerosol extinguishing agent or a grain made of aerosol extinguishing agent. The aerosol fire extinguishing agent is selected as the fire extinguishing agent 3, and can directly form aerosol fire extinguishing substances after the starting component 4 ignites the aerosol fire extinguishing agent, and then the aerosol fire extinguishing substances are sprayed out to participate in the fire extinguishing process.
Preferably, the front side of the housing 1 is screwed with the underside of the outer cap 2. In the embodiment, the front side of the shell 1 is in threaded connection with the lower side of the outer cover 2, so that the installation process of the fire extinguishing device can be facilitated, and the cover screwing mechanism 8 can be conveniently arranged in the fire extinguishing device.
The utility model discloses a fire extinguishing method of the fire extinguishing device with the pressure relief and sealing functions, which comprises the following steps:
s1: before a fire disaster occurs, the inner cover 6 keeps unchanged in position under the elastic action of the compression spring 8.1, and the L-shaped nozzle 5 and the spray hole 7 are in a staggered state (as shown in figures 1 and 2) at the moment, so that the inside of the shell 1 is sealed;
s2: when a fire disaster occurs, the starting component 4 ignites the fire extinguishing agent 3, after the fire extinguishing substance is generated, the pressure in the shell 1 is suddenly increased, the pressure born by the inner cover 6 is larger than the elastic force of the compression spring 8.1, and the inner cover 6 is pushed to move towards the direction of the compression spring 8.1;
s3: in the moving process of the inner cover 6, the sliding ring 8.2 is driven to move together, so that the inclined plane pushing rod 8.3 and the inclined plane follow-up rod 8.4 also move together in the clearance channel 8.6 among the plurality of limit clamping grooves 8.5;
s4: when the flanging 6.1 at the bottom of the inner cover 6 moves to contact the bottom of the limiting clamping groove 8.5, the inner cover 6 stops moving, the pressure release area of the L-shaped nozzle 5 coincides with the spray hole 7 (as shown in fig. 4), and the inclined plane at the top of the inclined plane pushing rod 8.3 and the inclined plane at the bottom of the inclined plane following rod 8.4 are parallel to the inclined plane where the inclined groove 8.7 is positioned to form a large inclined plane;
s5: the fire extinguishing substance in the shell 1 is sprayed out from the pressure release area of the L-shaped nozzle 5 and the spray hole 7, the pressure in the shell 1 is reduced, and when the pressure born by the inner cover 6 is smaller than the elastic force of the compression spring 8.1, the inner cover 6 moves in the direction away from the compression spring 8.1;
s6: the bottom inclined plane of the inclined plane follow-up rod 8.4 at the outer side of the inner cover 6 can be pressed to the top inclined plane of the inclined plane push rod 8.3, and is influenced by the reaction force, the bottom inclined plane of the inclined plane follow-up rod 8.4 moves downwards along a large inclined plane formed by the top inclined plane of the inclined plane push rod 8.3 and the inclined plane of the inclined groove 8.7, the inner cover 6 can rotate along with the inclined plane in the downwards moving process, and finally the bottom inclined plane of the inclined plane follow-up rod 8.4 stays at the inclined plane of the inclined groove 8.7, and the spraying area of the L-shaped nozzle 5 coincides with the spray hole 7 (shown in fig. 5); in this embodiment, a certain friction exists between the surface of the inclined pushing rod 8.3 of the sliding ring 8.2 and the inner wall of the gap channel 8.6, so that the inclined pushing rod 8.3 cannot slide downward in the gap channel 8.6 in the process that the bottom inclined surface of the inclined follow-up rod 8.4 moves downward along the top inclined surface of the inclined pushing rod 8.3.
S7: the fire extinguishing substances in the shell 1 are continuously sprayed out from the spraying area of the L-shaped nozzle 5 and the spray holes 7, so that the fire extinguishing process is realized.
The foregoing embodiments are merely preferred embodiments of the present utility model, and should not be construed as limiting the present utility model, and the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without collision. The protection scope of the present utility model is defined by the claims, and the protection scope includes equivalent alternatives to the technical features of the claims. I.e., equivalent replacement modifications within the scope of this utility model are also within the scope of the utility model.
Claims (10)
1. The utility model provides a take extinguishing device of pressure release and airtight function, includes casing (1), and casing (1) front side is connected with enclosing cover (2), is equipped with fire extinguishing agent (3) in casing (1), fire extinguishing agent (3) and start-up component (4) end-to-end connection, its characterized in that: a plurality of L-shaped nozzles (5) are formed in the side portion of the outer cover (2), an inner cover (6) is arranged in the outer cover (2), a plurality of spray holes (7) matched with the L-shaped nozzles (5) are formed in the side portion of the inner cover (6), and a cover rotating mechanism (8) used for rotating the inner cover (6) is arranged on the inner side of the outer cover (2) and the outer side of the inner cover (6).
2. The fire extinguishing apparatus with pressure relief and sealing function according to claim 1, characterized in that: the spiral cover mechanism (8) comprises a compression spring (8.1) arranged between the top of the inner cover (6) and the top of the outer cover (2), a sliding ring (8.2) in sliding fit with the outer surface of the inner cover (6) is sleeved on the outer surface of the inner cover, a plurality of inclined-plane pushing rods (8.3) are vertically arranged on the outer edge of the sliding ring (8.2), a plurality of inclined-plane follow-up rods (8.4) are vertically arranged on the outer side of the inner cover (6), the inclined plane at the top of the inclined-plane pushing rods (8.3) is matched with the inclined plane at the bottom of the inclined-plane follow-up rods (8.4), a plurality of limit clamping grooves (8.5) are formed in the inner side wall of the outer cover (2), and a gap channel (8.6) between the limit clamping grooves (8.5) is matched with the inclined-plane follow-up rods (8.4) and the inclined-plane pushing rods (8.3), and inclined slots (8.7) are formed in the top of the limit clamping grooves (8.5).
3. The fire extinguishing apparatus with pressure relief and sealing function according to claim 2, characterized in that: the outer cover (2) and the inner cover (6) are both in cylindrical structures with closed tops and open bottoms.
4. A fire extinguishing apparatus with pressure relief and sealing function according to claim 3, characterized in that: the bottom of the inner cover (6) is outwards formed into a flanging (6.1), the top of the flanging (6.1) is matched with the bottom of the sliding ring (8.2), and the bottom of the flanging (6.1) is abutted to the front end of the shell (1).
5. A fire extinguishing apparatus with pressure relief and sealing function according to claim 3, characterized in that: the sliding ring is characterized in that a plurality of inclined plane push rods (8.3) are uniformly and vertically arranged on the outer edge of the sliding ring (8.2), a plurality of inclined plane follow-up rods (8.4) are uniformly and vertically arranged on the outer side of the inner cover (6), a plurality of limit clamping grooves (8.5) are uniformly arranged on the inner side wall of the outer cover (2) in an annular array manner, a plurality of L-shaped nozzles (5) are uniformly arranged on the side portion of the outer cover (2) in an annular array manner, and a plurality of spray holes (7) are uniformly arranged on the side portion of the inner cover (6) in an annular array manner.
6. The fire extinguishing apparatus with pressure relief and sealing function according to claim 1, characterized in that: one end of the L-shaped nozzle (5) is a pressure relief area, and the other end of the L-shaped nozzle is a spraying area.
7. The fire extinguishing apparatus with pressure relief and sealing function according to claim 1, characterized in that: the starting component (4) is of an electric ignition head or a thermosensitive wire structure.
8. The fire extinguishing apparatus with pressure relief and sealing function according to claim 1, characterized in that: the fire extinguishing agent (3) comprises a gas generating agent (3.1) positioned at the bottom and a dry powder fire extinguishing agent (3.2) positioned at the top.
9. The fire extinguishing apparatus with pressure relief and sealing function according to claim 1, characterized in that: the fire extinguishing agent (3) is an aerosol fire extinguishing agent or a grain made of the aerosol fire extinguishing agent.
10. The fire extinguishing apparatus with pressure relief and sealing function according to claim 1, characterized in that: the front side of the shell (1) is in threaded connection with the lower side of the outer cover (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320340403.5U CN219323808U (en) | 2023-02-28 | 2023-02-28 | Fire extinguishing device with pressure relief and airtight functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320340403.5U CN219323808U (en) | 2023-02-28 | 2023-02-28 | Fire extinguishing device with pressure relief and airtight functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219323808U true CN219323808U (en) | 2023-07-11 |
Family
ID=87064845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320340403.5U Active CN219323808U (en) | 2023-02-28 | 2023-02-28 | Fire extinguishing device with pressure relief and airtight functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219323808U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117446494A (en) * | 2023-12-25 | 2024-01-26 | 常州铭赛机器人科技股份有限公司 | Double-station feeding device and feeding method |
-
2023
- 2023-02-28 CN CN202320340403.5U patent/CN219323808U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117446494A (en) * | 2023-12-25 | 2024-01-26 | 常州铭赛机器人科技股份有限公司 | Double-station feeding device and feeding method |
| CN117446494B (en) * | 2023-12-25 | 2024-04-12 | 常州铭赛机器人科技股份有限公司 | Double-station feeding device and feeding method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN219323808U (en) | Fire extinguishing device with pressure relief and airtight functions | |
| CN101072605B (en) | Device for increasing the effectiveness of the pressurizing gas in an extinguisher bottle | |
| CN201211404Y (en) | Gas dust explosion prevention device | |
| CN110711329B (en) | Piston type fire extinguishing device and pressure relief method thereof | |
| CN109451223B (en) | Explosion-proof industry camera | |
| CN111013071B (en) | Pressure-building pulse type fire extinguishing method and fire extinguishing device thereof | |
| CN200984408Y (en) | Top-sucking jet type superfine dry powder extinguishing device | |
| CN219323807U (en) | Aerosol fire extinguishing device with airtight function | |
| CN116236726A (en) | Fire extinguishing device with pressure relief and airtight functions and fire extinguishing method thereof | |
| CN108926789B (en) | Automatic fire control water spray and automatic power-off device of cabinet charge | |
| CN202315048U (en) | Automatic fire-extinguishing device | |
| JPS6363761B2 (en) | ||
| CN211327936U (en) | Dry powder extinguishing device | |
| CN109675226B (en) | Automatic fire extinguishing system for explosion-proof vehicle | |
| CN103191536B (en) | Gas-bottle-type automatic superfine-dry-powder fire-extinguishing system for vehicle | |
| CN209019842U (en) | Impacting type temperature sensing glass ball starter | |
| CN220070579U (en) | Indirectly started fire extinguishing device | |
| KR20080015969A (en) | Sprinkler having triggering head assembly using face type heating element sheet | |
| CN105536176A (en) | Oil tank extinguishment and explosion suppression device | |
| CN220938852U (en) | Safe intermittent spraying fire extinguishing device | |
| CN202768050U (en) | Quick opening device of gas explosion suppressor | |
| CN207545661U (en) | A kind of gas generator structure for being used to assemble explosion suppression device | |
| CN116510213A (en) | Indirect-starting fire extinguishing device and fire extinguishing method | |
| CN102704982B (en) | Quick starting device for methane gas explosion suppressors | |
| CN203315620U (en) | Separable type supersonic speed fire extinguisher device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A fire extinguishing device with pressure relief and sealing functions Effective date of registration: 20231214 Granted publication date: 20230711 Pledgee: Bank of Hankou Limited by Share Ltd. Yichang branch Pledgor: Hubei and Andun Fire Technology Co.,Ltd. Registration number: Y2023980071183 |