CN112985195B - Push type fire extinguishing grenade - Google Patents
Push type fire extinguishing grenade Download PDFInfo
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- CN112985195B CN112985195B CN202110470617.XA CN202110470617A CN112985195B CN 112985195 B CN112985195 B CN 112985195B CN 202110470617 A CN202110470617 A CN 202110470617A CN 112985195 B CN112985195 B CN 112985195B
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- groove
- shell
- safety mechanism
- firing pin
- fire
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B27/00—Hand grenades
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C19/00—Hand fire-extinguishers in which the extinguishing substance is expelled by an explosion; Exploding containers thrown into the fire
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B12/00—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material
- F42B12/02—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect
- F42B12/36—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materials; for producing chemical or physical reaction; for signalling ; for transmitting information
- F42B12/46—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materials; for producing chemical or physical reaction; for signalling ; for transmitting information for dispensing gases, vapours, powders or chemically-reactive substances
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
- F42C15/00—Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges
- F42C15/18—Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges wherein a carrier for an element of the pyrotechnic or explosive train is moved
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing Compositions (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention provides a push-type fire extinguishing grenade, which comprises a fuse, a safety mechanism, explosive, a dry powder extinguishing agent and a shell, wherein the bottom of the fuse is fixedly connected with the safety mechanism, the safety mechanism is connected with the shell, the fuse comprises a pull ring, a firing pin spring, a firing pin, a fire cap and a delay agent, when the pull ring is pulled out, the firing pin moves downwards and impacts the fire cap by the elasticity of the spring, the fire cap is arranged on the delay agent, and the fuse is controlled to move downwards through the safety mechanism so as to enable the delay agent to be abutted with the explosive; the dry powder extinguishing agent is arranged in the shell. The invention has the advantages of simple structure, easy manufacture, practicality, convenience and high safety coefficient.
Description
Technical Field
The invention relates to the technical field of fire extinguishing appliances, in particular to a push type fire extinguishing grenade.
Background
The existing throwing fire extinguisher is provided with a fire extinguishing ball, the ball is filled with a dry powder fire extinguishing agent by a blasting device in a wire outside the ball, and when a fire disaster happens, the fire extinguishing ball is only required to be thrown into a fire scene wire to ignite internal blasting substances so that the dry powder fire extinguishing agent can uniformly extinguish the fire scene, but the explosion of the fire extinguishing ball cannot be actively controlled, and once the wire cannot be ignited, the fire extinguishing ball cannot extinguish the fire effectively.
Disclosure of Invention
In order to solve the problems, the invention provides a push-type fire-extinguishing grenade, which comprises a fuze, a safety mechanism, explosives, a dry powder fire-extinguishing agent and a shell;
the fuse is characterized in that the exterior of the fuse is a hollow cylinder, a pull ring is embedded in the top end of the hollow cylinder, the interior of the fuse sequentially comprises a firing pin spring, a firing pin, a fire cap and a delay agent from top to bottom, the firing pin is sleeved in the firing pin spring, the lower end of the firing pin is a tip, the upper end of the firing pin is movably connected with the pull ring, the pull ring limits the firing pin to move downwards, after the pull ring is pulled out, the spring force of the spring enables the firing pin to move downwards and impact the fire cap, and the fire cap is arranged on the delay agent;
the safety mechanism is arranged on the shell, and the bottom of the hollow cylinder is fixedly connected with the safety mechanism;
the delay medicament is arranged at the bottom of the inner side of the hollow cylinder and is arranged on the safety mechanism; the explosive is arranged below the safety mechanism, and the fuse is pressed to control the safety mechanism to work, so that the fuse moves downwards to enable the delay medicament to be abutted with the explosive;
the dry powder extinguishing agent is arranged in the shell.
Further, the safety mechanism comprises an elastic sheet, a first groove and a second groove, wherein the elastic sheet is arranged on the first groove, the second groove is arranged below the first groove, the first groove and the second groove are all arranged on the shell, at least one pair of elastic lugs are symmetrically arranged on the elastic sheet, one outward end of each elastic lug faces upwards and forms an included angle with the elastic sheet, a through hole with the same size as the elastic sheet is formed between the first groove and the second groove, grooves for accommodating the elastic lugs are respectively formed in the inner walls of the first groove and the second groove, inclined walls corresponding to the included angles are arranged in the grooves, and the elastic lugs enter the second groove from the first groove after being stressed.
Further, a hollow cylinder is arranged in the middle of the elastic sheet, and the delay medicament is arranged in the hollow cylinder.
Further, the elastic sheet is circular, and the included angle is 45 degrees.
Further, the elastic sheet and the elastic tab are steel sheets.
Further, the fuse further comprises a sealing cover and a button, wherein the sealing cover is arranged on the outer side of the fuse, the sealing cover is connected with the shell through threads, the button is arranged at the upper end of the fuse, and the pull ring is a U-shaped pull ring.
Further, an opening is formed in the shell, and a fire-guiding rope is connected between the opening and the explosive.
Further, the openings are symmetrically arranged on the upper part and the lower part of the side surface of the shell;
the side of casing is equipped with 4 at least trompil, the bottom surface of casing is equipped with 1 at least the trompil.
Further, the shell is light foam, fireproof paint and UV curing paint are brushed on the outer side of the light foam, a thermoplastic polyester film is arranged on the outer side of the shell, the dry powder extinguishing agent is superfine dry powder extinguishing agent, and the explosive is pyrotechnic agent.
By adopting the technical scheme, the invention has the following advantages and positive effects compared with the prior art:
(1) The safety mechanism of the push-type fire-extinguishing grenade provided by the invention has the advantages of simple structure, easiness in manufacturing, realization of the function that the push-type fire-extinguishing grenade cannot be actively exploded without push operation, capability of effectively preventing self-explosion under the unexpected condition and high safety coefficient.
(2) According to the push-type fire-extinguishing grenade, the designed holes and the fire-guiding ropes can still be put into a fire scene to realize the explosion fire-extinguishing function under the condition that a fuse cannot be used or is not normally used, so that the practicability is improved.
Drawings
The invention is described in further detail below with reference to the attached drawing figures, wherein:
FIG. 1 is a schematic diagram of a press fire suppression grenade according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the upper part of the fuze of an embodiment of the push fire grenade of the present invention;
FIG. 3 is a perspective view of a pull ring of one embodiment of a push fire suppression grenade of the present invention;
FIG. 4 is a perspective view of an elastic steel sheet of an embodiment of the push fire suppression grenade of the present invention;
FIG. 5 is a top view of an elastic steel sheet of an embodiment of the push fire suppression grenade of the present invention;
FIG. 6 is a schematic diagram showing the variation of the safety mechanism of the pressing fire-extinguishing grenade according to an embodiment of the present invention;
reference numerals illustrate:
1: a fire cap; 2: a delay agent; 3: a threaded port; 4: an elastic steel sheet; 5: a U-shaped pull ring; 6: a cover; 7: opening holes; 8: a pyrotechnic composition; 9: a dry powder extinguishing agent; 10: a housing; 11: a fuze; 12: a fire guide cable; 13: a button; 141: a first groove; 142: a second groove; 15: a firing pin spring; 16: a firing pin; 18: an elastic tab; 19: a baffle.
Detailed Description
The invention provides a push fire-extinguishing grenade which is further described in detail below with reference to the accompanying drawings and specific examples. Advantages and features of the invention will become more apparent from the following description and from the claims. It is noted that the drawings are in a very simplified form and utilize non-precise ratios, and are intended to facilitate a convenient, clear, description of the embodiments of the invention.
The invention provides a push-type fire extinguishing grenade, which comprises a fuse (11), a safety mechanism, explosives, a dry powder extinguishing agent (9) and a shell (10), wherein the shell (10) is a cylindrical container, of course, the shell can also be of other shapes, the upper end of the container is provided with an opening, the safety mechanism is arranged at the opening, a baffle (19) is also arranged at the opening, the baffle (19) is a circular baffle which can be integrally formed with the shell (10) or fixed in a welding mode, the baffle (19) is used for limiting the upward movement of an elastic steel sheet (4) so as to prevent the safety mechanism from separating from the shell (10), the outside of the fuse (11) is a hollow cylinder which is arranged on the safety mechanism and fixedly connected with the safety mechanism, the top of the hollow cylinder is embedded with a pull ring, a firing pin spring (15) and a firing pin (16) are arranged in the hollow cylinder, the firing pin (16) is sleeved in the firing pin spring (15), the lower end of the firing pin (16) is provided with a pull ring, the upper end of the firing pin is movably connected with the pull ring, the tail part (16) is clamped by the integral forming or welding mode, the like, the tail part (16) is clamped by the hollow cylinder is compressed by the hollow cylinder (1) and is provided with a pull ring (1) and then the hollow cylinder) is compressed by the hollow cylinder (1) and is provided with a delay cap (1) which is arranged on the upper end of the firing cap (1), the delay medicament (2) is arranged at the bottom of the inner side of the hollow cylinder and is arranged on the safety mechanism; the explosive is arranged below the safety mechanism, the fuse (11) is pressed to control the safety mechanism to work, the fuse (11) is further enabled to move downwards, the delay medicament (2) is enabled to be abutted with the explosive, and the explosive can be a pyrotechnic medicament (8); the dry powder extinguishing agent (9) is arranged in the shell (10), and the dry powder extinguishing agent (9) can be ultrafine dry powder extinguishing agent so as to increase the action range of the grenade; the safety mechanism in the normal state is used for keeping the safe distance between the delay agent (2) and the explosive, and is used for preventing the delay agent (2) from being ignited accidentally so as to detonate the explosive, so that the loss can be reduced to the greatest extent.
The pull ring is a U-shaped pull ring (5), and the U-shaped pull ring (5) is stronger than a common pull ring structure, is not easy to deform, has high safety coefficient, can be of course also be of other types, and is not limited herein.
In a preferred embodiment, button (13) is equipped with on fuse (11) upper end, and the fuse (11) outside is equipped with closing cap (6), and the upper end of casing (10) is equipped with bellied screw thread mouth (3), and the bottom inboard of closing cap (6) is equipped with the screw thread, and closing cap (6) and casing (10) can be connected through the mode of screw thread fastening, of course also can be other swing joint modes, does not do not limit here, can prevent through the design of closing cap (6) that the pull ring drops and arouses unexpected, improves the security.
In a preferred embodiment, a plurality of openings (7) are formed in the side face and the bottom face of the shell (10), a fireproof rope (12) is connected between the openings (7) and the explosives, when the situation is urgent, the sealing cover (6) is not opened or the explosives cannot be detonated by the fuse (11) due to other reasons such as poor contact, the fire scene can be directly put into the mine, and then the explosives can be directly ignited by the fireproof rope (12) when encountering open fire, so that the fire extinguishing mine is detonated, and the practicability is improved; the openings (7) on the side of the housing (10) may be symmetrically arranged, and are not limited herein, and may be arranged at any position on the wall of the housing (10), so that the mine can cope with more complicated fire situations, and the situation that the openings (7) are blocked and the ignition of the fire guide rope (12) cannot be performed is avoided.
In a preferred embodiment, the shell (10) is made of light foam, so that the elastic sheet is insufficient to hurt a human body when the shell explodes accidentally, the outer side of the light foam is brushed with fireproof paint and UV curing paint, and a thermoplastic polyester film is arranged on the outer side of the shell (10), so that the shell can prevent the explosion of a mine due to open fire accidentally, and is resistant to friction, ageing and long in service life.
Referring to fig. 4 to 6, fig. 4 is a perspective view of an elastic steel sheet of an embodiment of the push fire grenade of the present invention; FIG. 5 is a top view of an elastic steel sheet of an embodiment of the push fire suppression grenade of the present invention; fig. 6 is a schematic diagram showing a variation of the safety mechanism of the pressing fire-extinguishing grenade according to an embodiment of the present invention.
The safety mechanism comprises an elastic steel sheet (4), a first groove (141) and a second groove (142), wherein the first groove (141) and the second groove (142) are arranged at an opening at the upper part of a container, the elastic steel sheet (4) is round or can be in other shapes, a through hole with the same size as the elastic sheet is arranged between the first groove (141) and the second groove (142), at least one pair of elastic lugs (18) are symmetrically arranged on two sides of the elastic steel sheet (4), and one outward end of each elastic lug (18) faces upwards and forms an included angle of 45 degrees with the elastic steel sheet (4), so that the safety mechanism is not limited; the inner walls of the first groove (141) and the second groove (142) are respectively provided with a groove for accommodating the elastic lug (18), an inclined wall corresponding to the included angle is arranged in the groove, the elastic steel sheet (4) and the elastic lug (18) are arranged on the first groove (141), the elastic lug (18) is attached to the inclined wall, the upper part of the elastic lug is limited by the baffle (19), so that the safety mechanism is fixed, the fuse (11) is pressed, the fuse (11) indirectly presses the safety structure, the elastic lug (18) can deform, the included angle of the elastic lug gradually increases to 90 degrees, and at the moment, the elastic steel sheet (4) can pass through the through hole to fall into the second groove (142); the elastic steel sheet (4) and the elastic lug (18) can be integrally formed, or can be welded, and the like, and the process is not limited herein, and the elastic steel sheet (4) and the elastic lug (18) can also be made of other hard elastomer materials, and the process is not limited herein; the middle of the elastic steel sheet (4) is provided with a hollow cylinder, the delay medicament (2) is arranged in the hollow cylinder, when the elastic steel sheet (4) falls into the second groove (142), the bottom of the second groove (142) is explosive, at the moment, the delay medicament (2) is abutted with the explosive, and the safety mechanism is simple in structure and easy to operate.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments. Even if various changes are made to the present invention, it is within the scope of the appended claims and their equivalents to fall within the scope of the invention.
Claims (6)
1. The push type fire extinguishing grenade is characterized by comprising a fuze, a safety mechanism, explosives, a dry powder extinguishing agent and a shell;
the fuse is characterized in that the exterior of the fuse is a hollow cylinder, a pull ring is embedded in the top end of the hollow cylinder, the interior of the fuse sequentially comprises a firing pin spring, a firing pin, a fire cap and a delay agent from top to bottom, the firing pin is sleeved in the firing pin spring, the lower end of the firing pin is a tip, the upper end of the firing pin is movably connected with the pull ring, the pull ring limits the firing pin to move downwards, after the pull ring is pulled out, the spring force of the spring enables the firing pin to move downwards and impact the fire cap, and the fire cap is arranged on the delay agent;
the safety mechanism is arranged on the shell, the bottom of the hollow cylinder is fixedly connected with the safety mechanism, the safety mechanism comprises an elastic sheet, a first groove and a second groove, the elastic sheet is arranged on the first groove, the second groove is arranged below the first groove, the first groove and the second groove are all arranged on the shell, at least one pair of elastic lugs are symmetrically arranged on the elastic sheet, one outward end of each elastic lug faces upwards and forms an included angle with the elastic sheet, a through hole with the same size as the elastic sheet is formed between the first groove and the second groove, grooves for accommodating the elastic lugs are respectively formed in the inner walls of the first groove and the second groove, inclined walls corresponding to the included angle are arranged in the grooves, and the elastic lugs enter the second groove from the first groove after being stressed;
the delay medicament is arranged at the bottom of the inner side of the hollow cylinder and is arranged on the safety mechanism; the explosive is arranged below the safety mechanism, and the fuse is pressed to control the safety mechanism to work, so that the fuse moves downwards to enable the delay medicament to be in contact with the explosive;
the dry powder extinguishing agent is arranged in the shell;
the shell is provided with holes, a fireproof rope is connected between the holes and explosives, the holes are symmetrically formed in the upper portion and the lower portion of the side face of the shell, at least 4 holes are formed in the side face of the shell, and at least 1 hole is formed in the bottom face of the shell.
2. The pressing fire extinguishing grenade of claim 1, wherein the elastic sheet has a hollow cylinder in the middle, and the delay agent is disposed in the hollow cylinder.
3. A push fire suppression grenade according to claim 1, wherein the resilient sheet is circular and the included angle is 45 degrees.
4. The pressing fire suppression grenade of claim 1, wherein the resilient tab and the resilient tab are steel sheets.
5. The pressing fire extinguishing grenade of claim 1, further comprising a cover and a button, wherein the cover is arranged on the outer side of the fuze, the cover is connected with the shell through threads, the button is arranged on the upper end of the fuze, and the pull ring is a U-shaped pull ring.
6. The push fire suppression grenade according to claim 1, wherein the housing is a lightweight foam, the exterior of the lightweight foam is brushed with a fireproof coating and a UV curable coating, the exterior of the housing is provided with a thermoplastic polyester film, the dry powder extinguishing agent is an ultrafine dry powder extinguishing agent, and the explosive is a pyrotechnic agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110470617.XA CN112985195B (en) | 2021-04-28 | 2021-04-28 | Push type fire extinguishing grenade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110470617.XA CN112985195B (en) | 2021-04-28 | 2021-04-28 | Push type fire extinguishing grenade |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112985195A CN112985195A (en) | 2021-06-18 |
| CN112985195B true CN112985195B (en) | 2023-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110470617.XA Active CN112985195B (en) | 2021-04-28 | 2021-04-28 | Push type fire extinguishing grenade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112985195B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2465189A1 (en) * | 1979-09-17 | 1981-03-20 | Ruggieri Ets | Igniter plug for grenade - has mechanism preventing initiation of sec. charge by ignition of detonator during storage and premature ignition of prim. charge during use |
| US4730559A (en) * | 1987-01-08 | 1988-03-15 | The State Of Israel, Ministry Of Defence, Israel Military Industry | Safetied demolition charge fuze |
| KR20200134587A (en) * | 2019-05-22 | 2020-12-02 | 한호진 | Powder fire extinguisher of explosive scattering type |
| CN112494858A (en) * | 2020-11-18 | 2021-03-16 | 魏宏 | Method for quickly extinguishing fire |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9500458B2 (en) * | 2014-04-10 | 2016-11-22 | Scicast International, Inc. | Electronically activated hand grenade |
-
2021
- 2021-04-28 CN CN202110470617.XA patent/CN112985195B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2465189A1 (en) * | 1979-09-17 | 1981-03-20 | Ruggieri Ets | Igniter plug for grenade - has mechanism preventing initiation of sec. charge by ignition of detonator during storage and premature ignition of prim. charge during use |
| US4730559A (en) * | 1987-01-08 | 1988-03-15 | The State Of Israel, Ministry Of Defence, Israel Military Industry | Safetied demolition charge fuze |
| KR20200134587A (en) * | 2019-05-22 | 2020-12-02 | 한호진 | Powder fire extinguisher of explosive scattering type |
| CN112494858A (en) * | 2020-11-18 | 2021-03-16 | 魏宏 | Method for quickly extinguishing fire |
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| Publication number | Publication date |
|---|---|
| CN112985195A (en) | 2021-06-18 |
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