CN220404684U - Explosion-proof fire extinguisher - Google Patents
Explosion-proof fire extinguisher Download PDFInfo
- Publication number
- CN220404684U CN220404684U CN202321947859.4U CN202321947859U CN220404684U CN 220404684 U CN220404684 U CN 220404684U CN 202321947859 U CN202321947859 U CN 202321947859U CN 220404684 U CN220404684 U CN 220404684U
- Authority
- CN
- China
- Prior art keywords
- cavity
- storage cavity
- bottle body
- inner suction
- explosion
- 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
- 238000005452 bending Methods 0.000 claims abstract description 38
- 239000007921 spray Substances 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 20
- 230000001681 protective effect Effects 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000004880 explosion Methods 0.000 abstract description 10
- 239000010902 straw Substances 0.000 description 5
- 238000005493 welding type Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
Abstract
The utility model provides an explosion-proof fire extinguisher, and belongs to the field of fire extinguishers. The explosion-proof fire extinguisher comprises a bottle body, a device head, a handle, an inner suction pipe and an outer spray pipe, wherein the top of the bottle body is provided with an opening, the inner suction pipe stretches into the bottle body, the bottle body is provided with an annular bending part which radially contracts towards the inside of the bottle body, the bottle body is internally divided into an upper storage cavity and a lower storage cavity by the bending part, a connecting port is arranged between the upper storage cavity and the lower storage cavity, the connecting port is formed by the bending part, the inner suction pipe is provided with a first inner suction cavity and a second inner suction cavity which are not communicated with each other, the inner suction pipe is provided with a first suction port and a second suction port, the first suction port enables the first inner suction cavity to be communicated with the upper storage cavity, the second suction port enables the second inner suction cavity to be communicated with the lower storage cavity, and the upper storage cavity and the lower storage cavity are not communicated with each other after the inner suction pipe is installed. The fire extinguisher focuses on safety performance, and can reduce explosion power and explosion probability.
Description
Technical Field
The utility model belongs to the field of fire extinguishers, and relates to an explosion-proof fire extinguisher.
Background
The fire extinguisher generally comprises a bottle body, a device head (equivalent to a valve), a handle and an outer spray pipe, wherein the bottle body is a steel bottle, the inside of the bottle body is a hollow cavity, fire extinguishing medium is stored in the bottle body, the fire extinguisher is normally transported, stored and used, but potential safety hazards still exist in some special environments, such as severe jolt in transportation, use in low-pressure environment, external force collision during use and the like, can possibly cause explosion of the bottle body, certain potential safety hazards exist, innovation and improvement of the fire extinguisher at present comprise that the applicant makes more contribution to structural innovation of the fire extinguisher in recent years, the existing innovation of the problem is not excessively interfered, the probability of occurrence of the condition is low, but the safety problem is not small, and serious attention is not paid.
The present application is presented to improve the above-mentioned safety problem.
Disclosure of Invention
The utility model aims at solving the problems in the prior art, and provides an explosion-proof fire extinguisher, which focuses on safety performance, can reduce explosion power and explosion probability, and solves the problems that the prior fire extinguisher still has potential safety hazard with certain probability and the like.
The aim of the utility model can be achieved by the following technical scheme: the explosion-proof fire extinguisher comprises a bottle body, a device head, a handle, an inner suction pipe and an outer spray pipe, wherein the top of the bottle body is provided with an opening, the inner suction pipe stretches into the bottle body, and the explosion-proof fire extinguisher is characterized in that the bottle body is provided with an annular bending part which radially contracts towards the inside of the bottle body, the inside of the bottle body is divided into an upper storage cavity and a lower storage cavity by the bending part, a connecting port is arranged between the upper storage cavity and the lower storage cavity, the connecting port is formed by the bending part, the inner suction pipe is provided with a first inner suction cavity and a second inner suction cavity which are not communicated with each other, the first inner suction cavity is communicated with the upper storage cavity, the second inner suction cavity is communicated with the lower storage cavity, and the upper storage cavity and the lower storage cavity are not communicated with each other after the inner suction pipe is installed.
The device head is connected with the bottle body, the handle can act on the device head to enable the device head to be opened, an output port capable of being communicated with the inside of the bottle body is formed in the device head, the output port is connected to the bottle mouth in a threaded mode, the outer spray pipe comprises a connecting pipe and a spray cylinder, and the device head, the handle and the spray pipe are of the prior art in terms of more detailed structures and action principles and are not repeated. The annular bending part is formed through processing, the traditional fire extinguisher bottle body commonly comprises a stretching integrated forming part and a bottom welding type part, in particular to a bottom welding type bottle body, the pressure bearing inside the bottle body is relatively low due to the existence of a welding line, and the potential safety hazard is more prominent. The bottle body is internally formed into an annular bending part through processing, the inner cavity of the bottle body is forced to be divided into an upper storage cavity and a lower storage cavity, the bending part is arranged between the two cavities, when the inner straw is not installed, the upper storage cavity is communicated with the lower storage cavity, the bottle body can be directly filled with fire extinguishing medium, the two cavities are not communicated after the inner straw is installed, the upper storage cavity and the lower storage cavity at the moment are equivalent to dividing the original inner cavity of the bottle body into two blocks, and if the inner pressure expansion of any one cavity of the upper storage cavity or the lower storage cavity generates safety risk, the space between the two cavities is designed to reduce the volume of a single cavity at first, so that the explosion power is reduced greatly; and the bending part is equivalent to adding double-layer walls, has good blocking and buffering effects, and can greatly reduce the explosion power. If the upper storage cavity and the lower storage cavity have safety risks at the same time, the internal pressure of the upper storage cavity acts on the bending part downwards, the internal pressure of the lower storage cavity acts on the bending part upwards, a counteracting effect is formed, most of the pressure can be counteracted, and the risks are greatly reduced.
In addition, the double-cavity double-suction structure design of the inner suction pipe can uniformly convey the fire extinguishing medium in the bottle body, so that the pressure in the double cavities is reduced along with the use of the fire extinguisher, the condition that a single cavity is always high in pressure is avoided, and the design is ingenious.
In the explosion-proof fire extinguisher, the sealing seat is arranged on the inner suction pipe, and a sealing ring is arranged between the sealing seat and the bending part.
The sealing seat is fixed on the inner suction pipe, and the sealing seat is sealed with the bending part through the sealing ring. The upper storage cavity is not communicated with the lower storage cavity after sealing.
In the explosion-proof fire extinguisher, the inner suction pipe comprises a first branch pipe and a second branch pipe which are all semi-cylindrical, an inner cavity of the first branch pipe is the first inner suction cavity, the lower end of the first branch pipe is closed, the side wall of the first branch pipe is provided with the suction port, an inner cavity of the second branch pipe is the second inner suction cavity, two ends of the second branch pipe are both openings, and the second suction port is a port at the lower end of the second branch pipe.
The flat cutting surfaces of the branch pipe I and the branch pipe II are fixedly connected, so that the outer contour of the inner suction pipe is round, the fire extinguishing medium in the upper storage cavity enters the branch pipe I through the suction port I, and the fire extinguishing medium in the lower storage cavity enters the branch pipe II through the suction port II. The inner suction pipe forms a cavity which is not communicated with each other through a split type structure, and the structural design is ingenious.
In the explosion-proof fire extinguisher, the lower end of the first branch pipe penetrates through the connecting port to enter the lower storage cavity.
In order to facilitate the installation of the sealing seat, the branch pipe extends downwards, so that the shape of the inner suction pipe positioned near the connecting port is complete.
In the explosion-proof fire extinguisher, the width of the bending part is larger than the width of the connecting port.
The bending part has enough size and enough strength.
In the explosion-proof fire extinguisher, the protective cover is welded outside the bottle body, and the bending part is covered by the protective cover.
The protection cover is used for covering the gap outside the bending part, so that corrosion can be prevented.
In the explosion-proof fire extinguisher, the protection cover is made of steel.
The protective cover is made of steel material like the bottle body.
Compared with the prior art, the explosion-proof fire extinguisher has the following advantages:
1. the explosion-proof fire extinguisher forms an upper cavity structure and a lower cavity structure through the bending part, has good blocking and buffering effects on various risk hidden danger conditions, and can greatly reduce explosion power.
2. The explosion-proof fire extinguisher is designed through the double-cavity double-suction structure of the inner suction pipe, so that the fire extinguishing medium is uniformly conveyed, the pressure in the double cavities is reduced along with the use of the fire extinguisher, the condition that a single cavity is always high in pressure is avoided, and the design is ingenious.
3. The explosion-proof fire extinguisher has the design of the protective cover, and can prevent the outside corrosion of the bending part.
Drawings
Fig. 1 is a structural sectional view of the explosion-proof fire extinguisher.
Fig. 2 is an enlarged view of the structure of the region a in fig. 1.
FIG. 3 is a top view of the inner suction pipe in the explosion-proof fire extinguisher.
Fig. 4 is an enlarged view of the structure of the region B in fig. 1.
List of reference numerals
In the figure, 1, a bottle body;
1a, a bending part;
1b, an upper storage cavity;
1c, a lower storage cavity;
1d, connecting ports;
2. a head;
3. a handle;
4. an inner straw;
4a, a first branch pipe;
4a1, a first suction cavity;
4a2, suction port I;
4b, a second branch pipe;
4b1, a second inner suction cavity;
4b2, suction port II;
4c, a sealing seat;
5. an outer nozzle;
6. a seal ring;
7. and a protective cover.
Detailed Description
As shown in fig. 1 to 4, the explosion-proof fire extinguisher comprises a bottle body 1, a device head 2, a handle 3, an inner suction pipe 4 and an outer spray pipe 5, wherein the top of the bottle body 1 is provided with an opening, the inner suction pipe 4 stretches into the bottle body 1, the bottle body 1 is provided with an annular bending part 1a which radially contracts towards the inside of the bottle body 1, the inside of the bottle body 1 is divided into an upper storage cavity 1b and a lower storage cavity 1c by the bending part 1a, a connecting port 1d is arranged between the upper storage cavity 1b and the lower storage cavity 1c, the connecting port 1d is formed by the bending part 1a, the inner suction pipe 4 is provided with an inner suction cavity 4a1 and an inner suction cavity 4b1 which are not communicated with each other, the inner suction pipe 4a2 is provided with a suction port 4a2, the inner suction cavity 4a1 is communicated with the upper storage cavity 1b, and the inner storage cavity 1c is not communicated with each other after the inner suction port 4b2 is arranged. The device head 2 is connected with the bottle body 1, the handle 3 can act on the device head 2 to enable the device head 2 to be opened, an output port capable of being communicated with the inside of the bottle body 1 is formed in the device head 2, the output port is connected to a bottle opening in a threaded mode, and the outer spray pipe 5 comprises a connecting pipe and a spray cylinder. The annular bending part 1a is formed through processing, the traditional fire extinguisher bottle body 1 comprises a stretching integrated forming part and a bottom welding type part, in particular to the bottom welding type bottle body 1, the existence of welding seams leads to relatively lower pressure bearing in the bottle body 1, and potential safety hazards are more prominent. The bottle body 1 is internally formed into an annular bending part 1a through processing, the inner cavity of the bottle body 1 is forced to be divided into an upper storage cavity 1b and a lower storage cavity 1c, the bending part 1a is arranged between the two cavities, when the inner straw 4 is not installed, the upper storage cavity 1b is communicated with the lower storage cavity 1c, the bottle body 1 can be directly filled with fire extinguishing medium, the two cavities are not communicated after the inner straw 4 is installed, the upper storage cavity 1b and the lower storage cavity 1c are equivalent to dividing the inner cavity of the original bottle body 1 into two blocks, and if the inner pressure expansion occurs in any one cavity of the upper storage cavity 1b or the lower storage cavity 1c, the single cavity is reduced by the design of the separated cavities, and the volume of the single cavity is reduced even if explosion power occurs; and the bending part 1a is equivalent to adding double walls, has good blocking and buffering effects, and can greatly reduce the explosion power. If the upper storage cavity 1b and the lower storage cavity 1c are at the same time at a safety risk, the internal pressure of the upper storage cavity 1b acts downwards on the bending part 1a, and the internal pressure of the lower storage cavity 1c acts upwards on the bending part 1a to form a counteracting effect, so that most of the pressure can be counteracted, and the risk is greatly reduced.
In addition, the double-cavity double-suction structure design of the inner suction pipe 4 can uniformly convey the fire extinguishing medium in the bottle body 1, so that the pressure in the double cavities is reduced along with the use of the fire extinguisher, the condition that a single cavity is always high in pressure is avoided, and the design is ingenious. The inner suction pipe 4 is provided with a sealing seat 4c, and a sealing ring 6 is arranged between the sealing seat 4c and the bending part 1 a. The sealing seat 4c is fixed on the inner suction pipe 4, and the sealing seat 4c is sealed with the bending part 1a through the sealing ring 6. The upper storage chamber 1b is not communicated with the lower storage chamber 1c after sealing. The inner suction pipe 4 comprises a branch pipe I4 a and a branch pipe II 4b which are all in semi-cylindrical shapes, wherein the inner cavity of the branch pipe I4 a is a suction cavity I4 a1, the lower end of the branch pipe I4 a is closed, the side wall of the branch pipe I4 a is provided with a suction port I4 a2, the inner cavity of the branch pipe II 4b is a suction cavity II 4b1, both ends of the branch pipe II 4b are openings, and the suction port II 4b2 is a port at the lower end of the branch pipe II 4 b. The flat cutting surfaces of the branch pipe I4 a and the branch pipe II 4b are fixedly connected, so that the outer contour of the inner suction pipe 4 is round, the fire extinguishing medium in the upper storage cavity 1b enters the branch pipe I4 a through the suction port I4 a2, and the fire extinguishing medium in the lower storage cavity 1c enters the branch pipe II 4b through the suction port II 4b 2. The inner suction pipe 4 forms a cavity which is not communicated with each other through a split structure, and the structural design is ingenious. The lower end of the branch pipe I4 a passes through the connecting port 1d and enters the lower storage cavity 1 c. To facilitate the installation of the sealing seat 4c, the first branch pipe 4a extends downwards to complete the shape of the inner suction pipe 4 near the connection port 1 d. The width of the bent portion 1a is larger than the width of the connection port 1d, so that the bent portion 1a has a sufficient size and a sufficient strength. The bottle 1 outside welds there is safety cover 7, and safety cover 7 covers bending portion 1a, and safety cover 7 is used for covering the outside clearance of bending portion 1a, can prevent corrosion. The protective cover 7 is made of steel, and the protective cover 7 is made of steel as in the bottle body 1.
The details of construction, the dimensions and principles of the specific components not mentioned in this application are all known to those of ordinary skill in the art or may be simply selected by those skilled in the art, and are not described in detail herein.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (7)
1. The explosion-proof fire extinguisher comprises a bottle body, a device head, a handle, an inner suction pipe and an outer spray pipe, wherein the top of the bottle body is provided with an opening, the inner suction pipe stretches into the bottle body, and the explosion-proof fire extinguisher is characterized in that the bottle body is provided with an annular bending part which radially contracts towards the inside of the bottle body, the inside of the bottle body is divided into an upper storage cavity and a lower storage cavity by the bending part, a connecting port is arranged between the upper storage cavity and the lower storage cavity, the connecting port is formed by the bending part, the inner suction pipe is provided with a first inner suction cavity and a second inner suction cavity which are not communicated with each other, the first inner suction cavity is communicated with the upper storage cavity, the second inner suction cavity is communicated with the lower storage cavity, and the upper storage cavity and the lower storage cavity are not communicated with each other after the inner suction pipe is installed.
2. The explosion-proof fire extinguisher of claim 1, wherein the inner suction pipe is provided with a sealing seat, and a sealing ring is arranged between the sealing seat and the bending part.
3. The explosion-proof fire extinguisher according to claim 1, wherein the inner suction pipe comprises a first branch pipe and a second branch pipe which are both semi-cylindrical, the inner cavity of the first branch pipe is the first inner suction cavity, the lower end of the first branch pipe is closed, the side wall of the first branch pipe is provided with the suction port I, the inner cavity of the second branch pipe is the second inner suction cavity, both ends of the second branch pipe are openings, and the suction port II is a port at the lower end of the second branch pipe.
4. An explosion-proof fire extinguisher as claimed in claim 3, wherein the lower end of the first branch pipe passes through the connection port and enters the lower storage chamber.
5. The explosion-proof fire extinguisher as set forth in claim 1, wherein the width of the bent portion is greater than the width of the connection port.
6. The explosion-proof fire extinguisher of claim 1, wherein a protective cover is welded to the exterior of the bottle body, and covers the bent portion.
7. An explosion-proof fire extinguisher as claimed in claim 6, wherein the protective cover is steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321947859.4U CN220404684U (en) | 2023-07-22 | 2023-07-22 | Explosion-proof fire extinguisher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321947859.4U CN220404684U (en) | 2023-07-22 | 2023-07-22 | Explosion-proof fire extinguisher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220404684U true CN220404684U (en) | 2024-01-30 |
Family
ID=89647191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321947859.4U Active CN220404684U (en) | 2023-07-22 | 2023-07-22 | Explosion-proof fire extinguisher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220404684U (en) |
-
2023
- 2023-07-22 CN CN202321947859.4U patent/CN220404684U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102109049A (en) | Bottle valve | |
| CN220404684U (en) | Explosion-proof fire extinguisher | |
| CA2780551C (en) | Corrugated pipe sealing assembly and corrugated pipe valve having the same | |
| CN106051371B (en) | Pipeline composite construction sealing-plug | |
| CN211513236U (en) | Small-space non-pressure-storage type fixed fire extinguishing device | |
| CN110478836A (en) | A kind of non-stored-pressure type extinguishing device in small space | |
| CN202280932U (en) | Valve rod blowout-proof structure for fixed ball valve | |
| CN202401539U (en) | Pressure-bearing standpipe inspection hole | |
| CN202937044U (en) | Airtight heat preservation steel silo | |
| CN105570204A (en) | Welding energy accumulator with composite structure | |
| CN205606075U (en) | A external screw thread plug that is used for direct stifled water of screwed joint in pipeline | |
| CN210716168U (en) | Pressure reducing valve | |
| CN109110328B (en) | Oil tank | |
| CN210848851U (en) | Air pressure type thin plate stitch welding pressing device for laser welding | |
| CN206299876U (en) | A kind of shearing device of gas leakage prevention | |
| CN208184936U (en) | A kind of compressor housing, compressor and refrigerator | |
| CN107917115A (en) | A kind of fluid pressure type check valve | |
| CN207597491U (en) | A kind of impact resistance fire hydrant | |
| CN208595118U (en) | A kind of Multi-stage plunger cylinder piston rod can convenient dismounting sealing end-cover structure | |
| CN204782775U (en) | Piston | |
| CN204829268U (en) | Gas cylinder device and subassembly of raming thereof | |
| CN211970493U (en) | Large-scale antiknock container of lightweight with pressure release function | |
| CN214971383U (en) | Filling type rust-proof fire extinguisher | |
| CN203131847U (en) | Device improving flue connection stress | |
| CN207278453U (en) | A kind of compressor copper pipe sealing-plug |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |