CN218076074U

CN218076074U - Aerosol heat insulation structure and aerosol fire extinguisher

Info

Publication number: CN218076074U
Application number: CN202222264373.2U
Authority: CN
Inventors: 贾卫华; 储志利; 庄志超; 杨靖; 吴鹏
Original assignee: Guangzhou Yiyijiu Safety Equipment Co ltd
Current assignee: Guangzhou Yiyijiu Safety Equipment Co ltd
Priority date: 2022-08-27
Filing date: 2022-08-27
Publication date: 2022-12-20
Anticipated expiration: 2032-08-27

Abstract

The utility model discloses an aerosol insulation construction and aerosol fire extinguisher, including thermal-insulated shell, thermal-insulated shell is inside cavity and both ends open-ended tubular structure, thermal-insulated shell is from outer fixedly connected with insulating layer, fire-retardant layer and the coupled layer in proper order to interior, the bottom fixedly connected with flame retardant coating of thermal-insulated shell. The utility model discloses a fire-retardant paper is pasted and is fixed and wrap up the aerosol grain in the thermal-insulated shell, simple manufacture, and effective fire-retardant thermal-insulated to fill the gap through silicon oil and curing agent between the thermal-insulated shell outside and the aerosol grain, make and connect more closely between thermal-insulated shell and the fire extinguisher casing, stability when guaranteeing the burning of aerosol grain makes it can be from last to the sequence burning down.

Description

Aerosol heat insulation structure and aerosol fire extinguisher

Technical Field

The utility model relates to a fire extinguisher technical field especially relates to an aerosol thermal-insulated structure and aerosol fire extinguisher.

Background

The aerosol is applied to the military technology in the application of fire extinguishing engineering, and the aerosol fire extinguishing agent is applied to the tank fire extinguishing of liquid storage tanks such as partial organic chemical agents, oils and the like and explosion suppression systems of military armored vehicles and tanks. The portable aerosol fire extinguisher is a new breakthrough in the application field of fire extinguishers. The high-efficiency gas-generating aerosol agent and the fire extinguishing particle generating agent are combined, the fire extinguishing particle generating agent is decomposed to release the high-efficiency fire extinguishing particles by utilizing the heat and power of fire extinguishing gas generated by the aerosol agent, and the fire extinguishing particle generating agent is superior to the traditional fire extinguisher in portability, safety and fire extinguishing capability.

The existing aerosol fire extinguisher is characterized in that aerosol is filled in a fire extinguisher shell, and when the aerosol fire extinguisher is used, the aerosol generates smoke to extinguish fire, and high temperature is generated during aerosol combustion, so that a thermal insulation structure is required to be arranged outside an aerosol grain to insulate heat.

SUMMERY OF THE UTILITY MODEL

The present disclosure provides an aerosol thermal insulation structure to solve the technical problems recognized by the inventor that the process is complicated when the aerosol grain and the thermal insulation structure are poured, and the connection between the thermal insulation structure and the aerosol grain is not tight enough.

The utility model provides an aerosol heat insulation structure, including thermal-insulated shell, thermal-insulated shell is inside cavity and both ends open-ended tubular structure, thermal-insulated shell is from outer fixedly connected with insulating layer, fire-retardant layer and the coupling layer in proper order to interior, the bottom fixedly connected with flame retardant coating of thermal-insulated shell.

Preferably, the flame retardant layer has at least one layer.

Preferably, the coupling layer is silicone oil and a curing agent.

Preferably, the fire-proof layer is soil or fire-proof mud.

Preferably, the heat insulation layer is made of high-temperature-resistant materials.

The utility model provides an aerosol fire extinguisher, includes fire extinguisher shell, the fire extinguisher shell embeds and is equipped with the inner tube, the inside of inner tube is from last to having set gradually cooling obturator, thermal-insulated structure down, the thermal-insulated structural intussuseption is filled with the aerosol powder column, ignition set up in fire extinguisher shell's bottom, ignition's ignition end set up in the top of aerosol powder column.

Preferably, ignition includes button switch, piezoceramics and no bridge type electric spark firewood, button switch and piezoceramics fixed connection in fire extinguisher shell's bottom, no bridge type electric spark firewood set up in the top of hot melt adhesive grain, piezoceramics with no bridge type electric spark firewood passes through ignition loop and connects.

Preferably, the fire extinguisher further comprises a safety mechanism, wherein the safety mechanism comprises a pull ring, a safety pin and a safety steel wire, the pull ring is embedded in the bottom of the fire extinguisher shell, the safety pin is arranged in the bottom of the fire extinguisher shell, the pull ring is rotatably connected with the safety pin, one end of the safety steel wire is fixedly connected with the safety pin, and the other end of the safety steel wire is inserted into a small hole formed in the upper portion of the piezoelectric ceramic.

Preferably, the pressure relief mechanism comprises a barrel cover, a nozzle and a buffer spring, a snap ring is integrally formed on the outer side of the top end of the inner barrel, the barrel cover is sleeved on the top end of the inner barrel, a clamping block is fixedly connected to the position, corresponding to the snap ring, of the barrel cover, the clamping block is connected with the snap ring in a matched mode, the nozzle is fixedly connected to one end of the barrel cover, one end of the buffer spring is fixedly connected with the barrel cover, and the other end of the buffer spring is abutted to the snap ring.

Preferably, the surface of the fire extinguisher shell is provided with an inwards concave anti-skidding groove.

The beneficial effect of this disclosure mainly lies in: the utility model discloses a fire-retardant paper is pasted and is fixed and wrap up the aerosol grain in the thermal-insulated shell, simple manufacture, and effective fire-retardant thermal-insulated to fill the gap through silicon oil and curing agent between the thermal-insulated shell outside and the aerosol grain, make and connect more closely between thermal-insulated shell and the fire extinguisher casing, stability when guaranteeing the burning of aerosol grain makes it can be from last to the sequence burning down.

It is to be understood that both the foregoing general description and the following detailed description are for purposes of illustration and description and do not necessarily limit the disclosure. The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate the subject matter of the disclosure. Together, the description and drawings serve to explain the principles of the disclosure.

Drawings

In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present disclosure, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a cross-sectional view of a structural aerosol insulation structure according to an embodiment of the present disclosure;

FIG. 2 is a perspective view of an aerosol fire extinguisher according to an embodiment of the present disclosure;

FIG. 3 is a cross-sectional view of an aerosol fire extinguisher configuration according to an embodiment of the present disclosure;

FIG. 4 is an exploded view of the pressure relief mechanism and inner barrel installation of an embodiment of the present disclosure;

icon: 1-a thermally insulating structure; 11-a thermal insulation layer; 12-a flame retardant layer; 13-a coupling layer; 14-a fire barrier layer; 2-aerosol grain; 3-fire extinguisher shell; 31-anti-slip groove; 32-an inner cylinder; 321-a snap ring; 4-cooling the filling body; 51-a push button switch; 52-piezoelectric ceramics; 53-bridgeless electric match; 61-a pull ring; 62-a safety pin; 63-safety steel wire; 7-a pressure relief mechanism; 71-a cartridge cover; 711-a fixture block; 72-a nozzle; 73-buffer spring.

Detailed Description

The technical solutions of the present disclosure will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments of the present disclosure, but not all embodiments.

All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.

In the description of the present disclosure, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing and simplifying the present disclosure, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present disclosure. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present disclosure, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present disclosure can be understood in specific instances by those of ordinary skill in the art.

Example 1

As shown in fig. 1, the present embodiment provides an aerosol thermal insulation structure, which includes a thermal insulation housing, the thermal insulation housing is a tubular structure with an upper opening and an inner hollow portion, the thermal insulation housing is sequentially provided with a thermal insulation layer 11, a flame retardant layer 12 and a coupling layer 13, which are fixedly connected with each other, from outside to inside, the thermal insulation layer 11 is made of a high temperature resistant material, the inner side of the thermal insulation housing is fixedly attached with flame retardant paper through a flame retardant adhesive, the flame retardant paper is made of a paper prepared by adding a chemical with flame retardant property or a plant fiber treated with a flame retardant in the prior art, and has characteristics of high temperature resistance and no combustion, the aerosol grain 2 is placed on the inner side of the flame retardant paper, the coupling layer 13 is disposed between the aerosol grain 2 and the flame retardant layer 12, the coupling layer 13 is formed by adding a curing agent to silicone oil, the silicone oil is a high temperature resistant material, the silicone oil can be solidified by adding the curing agent, the surface of the coupling layer 13 is coated with a pasty coupling layer 13, the aerosol grain 2 is then placed into the aerosol grain 2, the side of the aerosol grain 2 is in close contact with the coupling layer 13, so as to prevent gaps existing between the aerosol grain 2 and the aerosol from existing between the flame retardant paper, the aerosol grain 2, the aerosol can not be ignited, and the aerosol can not be ignited from the aerosol can be ignited from the aerosol burning from top, and the aerosol can not ignited directly burnt from top, and the aerosol can not be burnt from the aerosol grain, and the aerosol can generate a smoke gas can be generated more regularly; the bottom of the heat insulation shell is sealed through a fireproof layer 14, and the fireproof layer 14 is made of common soil through wetting and compacting or fireproof mud, so that the bottom can be effectively prevented from burning.

Further, the number of the flame-retardant layer 12 is at least one, and multiple layers of flame-retardant paper can be arranged according to requirements for flame retardance.

Example 2

As shown in fig. 2-4, the present embodiment provides an aerosol fire extinguisher, which includes a fire extinguisher housing 3, an inner cylinder 32 is embedded and fixed inside the fire extinguisher housing 3, the inner cylinder 32 is made of a high temperature resistant alloy material, and the inner cylinder 32 is sequentially provided with a cooling filler 4 and a heat insulation structure 12 from top to bottom, wherein the cooling filler 4 is a coolant made of spherical particles made of basic magnesium carbonate or ceramic in the prior art, high temperature flue gas generated by igniting the aerosol powder column 2 can extinguish fire after being cooled by the cooling filler 4, the heat insulation structure 12 is the heat insulation structure 12 in embodiment 1, the aerosol powder column 2 is filled inside the heat insulation structure 12, an ignition device is provided at the bottom of the fire extinguisher housing 3, the ignition device is used for igniting the aerosol powder column 2, an ignition end of the ignition device is provided at the top end of the aerosol powder column 2, and the ignition device is started from the top end, so that the hot melt adhesive powder column sequentially burns from top to bottom.

Specifically, ignition includes button switch 51, piezoceramics 53 and no bridge formula spark-ignition firewood 53, and button switch 51's one end runs through fire extinguisher housing 3 and sets up in the outside of casing, and the other end offsets with piezoceramics 53 and sets up, and no bridge formula spark-ignition firewood 53 inlays and locates the top of aerosol powder column 2, and piezoceramics 53 and no bridge formula spark-ignition firewood 53 pass through ignition circuit and connect, press button switch 51, trigger piezoceramics 53, make no bridge formula spark-ignition firewood 53 ignite, arouse that aerosol powder column 2 burns and accomplish the ignition.

Further, still include safety mechanism, safety mechanism includes pull ring 61, safety pin 62 and

safety steel wire

63, 3 bottom integrated into one piece of fire extinguisher housing have a plurality of fixture block 711, pull ring 61 is blocked to be located and is fixed on fixture block 711, prevent to drop, pull ring 61 rotates and connects on safety pin 62, safety steel wire 63 one end and safety pin 62 fixed connection, the other end is inserted and is located in the aperture of piezoceramics 53 top, prevent piezoceramics 53 from triggering through safety steel wire 63, during the use, the one end that the safety pin 62 was kept away from to pulling pull ring 61 hard makes it break away from the spacing of fixture block 711, then outside pulling pull ring 61 makes safety steel wire 63 leave piezoceramics 53, press button switch 51 after opening the insurance and just can trigger no bridge type electricity match 53 and ignite.

Further, the pressure relief mechanism 7 is further included, the pressure relief mechanism 7 includes a cylinder cover 71, a nozzle 72 and a buffer spring 73, a snap ring 321 is integrally formed on the outer side of the top end of the inner cylinder 32, the cylinder cover 71 is sleeved on the top end of the inner cylinder 32, a clamping block 711 is fixedly connected to a position of the cylinder cover 71 corresponding to the snap ring 321, the clamping block 711 is connected to the snap ring 321 in a matched manner, the nozzle 72 is fixedly connected to one end of the cylinder cover 71, one end of the buffer spring 73 is fixedly connected to the cylinder cover 71, and the other end of the buffer spring is abutted to the snap ring 321. The clamping block 711 is clamped on the clamping ring 321, when the internal air pressure exceeds a certain value, the air pressure pushes the clamping block 711 out of the limit of the clamping ring 321, so that the cylinder cover 71 is separated from the inner cylinder 32 for pressure relief, the buffering effect is achieved through the buffer spring 73, and the buffer spring 73 limits the position of the cylinder cover 71, so that the danger caused by the air pressure impact and flying out is avoided.

Furthermore, the surface of the fire extinguisher shell 3 is provided with an inward concave anti-slip groove 31, and a user holds the anti-slip groove 31 with a palm when using the fire extinguisher shell, so that the fire extinguisher shell is convenient to grasp and avoids falling off the hand.

The utility model discloses a theory of operation: one end of the pull ring 61, which is far away from the safety pin 62, is pulled forcefully to be separated from the limit of the fixture block 711, then the pull ring 61 is pulled outwards to enable the safety steel wire 63 to be separated from the piezoelectric ceramics 53, the bridgeless electric match 53 can be triggered to ignite by pressing the button switch 51 after the safety is opened, the nozzle is aligned to a fire source, and smoke contacts with flame to extinguish fire.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present disclosure, and not for limiting the same; while the present disclosure has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present disclosure.

Claims

1. The utility model provides an aerosol heat insulation structure, its characterized in that, includes thermal-insulated shell, thermal-insulated shell is inside cavity and both ends open-ended tubular structure, thermal-insulated shell from outer fixedly connected with insulating layer, fire-retardant layer and the coupling layer in proper order to interior, the bottom fixedly connected with flame retardant coating of thermal-insulated shell.

2. An aerosol insulation structure according to claim 1, wherein the flame retardant layer has at least one layer.

3. The aerosol thermal insulation structure of claim 1, wherein the coupling layer is silicone oil and a curing agent.

4. The aerosol insulation structure of claim 1, wherein the fire barrier is clay or fireclay.

5. An aerosol insulation structure according to claim 1, wherein the insulation layer is made of a high temperature resistant material.

6. An aerosol fire extinguisher is characterized by comprising a fire extinguisher shell, wherein an inner barrel is embedded in the fire extinguisher shell, a cooling filler and a heat insulation structure are sequentially arranged in the inner barrel from top to bottom, the heat insulation structure is the heat insulation structure according to any one of claims 1 to 5, an aerosol explosive column is filled in the heat insulation structure, an ignition device is arranged at the bottom of the fire extinguisher shell, and an ignition end of the ignition device is arranged at the top end of the aerosol explosive column.

7. An aerosol fire extinguisher as claimed in claim 6, wherein said ignition means comprises a push button switch, a piezo ceramic and a bridgeless fire plug, said push button switch and piezo ceramic are fixedly attached to the bottom of said fire extinguisher housing, said bridgeless fire plug is disposed at the top end of said aerosol charge, said piezo ceramic and said bridgeless fire plug are connected by an ignition circuit.

8. The aerosol fire extinguisher of claim 7, further comprising a safety mechanism, wherein the safety mechanism comprises a pull ring, a safety pin and a safety steel wire, the pull ring is embedded in the bottom of the fire extinguisher housing, the safety pin is arranged at the bottom of the fire extinguisher housing, the pull ring is rotatably connected to the safety pin, one end of the safety steel wire is fixedly connected with the safety pin, and the other end of the safety steel wire is inserted into a small hole arranged above the piezoelectric ceramic.

9. The aerosol fire extinguisher according to claim 6, further comprising a pressure relief mechanism, wherein the pressure relief mechanism comprises a cylinder cover, a nozzle and a buffer spring, a snap ring is integrally formed on the outer side of the top end of the inner cylinder, the cylinder cover is sleeved on the top end of the inner cylinder, a fixture block is fixedly connected to a position of the cylinder cover corresponding to the snap ring, the fixture block is connected with the snap ring in a matching manner, the nozzle is fixedly connected to one end of the cylinder cover, one end of the buffer spring is fixedly connected with the cylinder cover, and the other end of the buffer spring is abutted to the snap ring.

10. The aerosol fire extinguisher of claim 6, wherein the fire extinguisher housing is provided with an inwardly concave anti-slip groove on the surface.