CN112843545A

CN112843545A - Fire extinguisher device of fire engine

Info

Publication number: CN112843545A
Application number: CN202110278905.5A
Authority: CN
Inventors: 柴春涛
Original assignee: Xuzhou Dongya Electrical Appliance Co ltd
Current assignee: Xuzhou Dongya Electrical Appliance Co ltd
Priority date: 2021-03-16
Filing date: 2021-03-16
Publication date: 2021-05-28

Abstract

The invention discloses a fire extinguisher device of a fire fighting truck, which comprises a fire extinguisher placing box of the fire fighting truck, a base, a damping spring, a bottom plate, a first baffle, a third baffle, a hygrothermograph, a sponge protective layer, a visual liquid level meter, a nozzle, a handle, a pressure relief block and a pressure gas steel cylinder, wherein the fire extinguisher placing box of the fire fighting truck is rotatably connected with a box door through a hinge, the base is arranged below the fire extinguisher placing box of the fire fighting truck, a supporting rod is fixedly connected with the base through a fixed block, the damping spring is arranged on two sides of the supporting rod, the first baffle is arranged on the left side of the fire extinguisher base, the sponge protective layer is arranged below a top plate of the fire extinguisher placing box of the fire fighting truck, and. This fire engine fire extinguisher device is provided with observation window and damping spring, is convenient for observe the fire engine fire extinguisher through the observation window and places the incasement portion condition, and damping spring plays the cushioning effect, effectively avoids the fire engine to take place to jolt at the in-process that traveles, leads to the fire extinguisher to damage.

Description

Fire extinguisher device of fire engine

Technical Field

The invention relates to the technical field of fire extinguishers, in particular to a fire extinguisher device of a fire engine.

Background

A fire extinguisher, also known as a fire extinguishing cylinder, is a portable fire extinguishing tool. The fire extinguisher contains chemical for rescuing fire alarm. Fire extinguishers are one of the common fire protection facilities, stored in public places or places where fire alarms may occur. Because of its simple and portable design, ordinary people can also use it to extinguish small fires that have just occurred. The fire extinguishing cylinder has different concealed components, such as foam, dry powder, carbon dioxide, acid and alkali, clear water and the like, and the different components are specially designed for different fire alarms. Care must be taken in use to avoid adverse effects and risks. The fire extinguisher box is a box body which is specially used for fixedly storing the portable fire extinguisher for a long time. According to the placement type, the placement type can be divided into a ground placement type and a wall embedding type. The opening mode can be divided into an opening door type and a flip type. The fire extinguisher cabinet body should be made of metal materials such as thin steel plates, aluminum alloys and the like. Is a fire-fighting apparatus necessary for places such as markets, factories, warehouses, office buildings, stations, docks and the like. The fixed effect of current fire engine fire extinguisher strorage device is relatively poor, the easy collision accident that drops that takes place, lead to the fire extinguisher main part to damage, and current fire engine fire extinguisher strorage device shock attenuation effect is not good, the fire engine takes place to jolt easily at the in-process that traveles, protection fire extinguisher that can not be fine, cause the fire extinguisher can not normal use easily, and current fire extinguisher take inconvenience, people's labour has been increased, fire extinguishing efficiency has been reduced, and current fire extinguisher security is lower, when fire extinguisher internal pressure is too big, the easy explosion accident that takes place of fire extinguisher.

Disclosure of Invention

The invention aims to provide a fire extinguisher device of a fire truck, and aims to solve the problems that the existing fire extinguisher storage device of the fire truck in the background technology is poor in fixing effect and easy to collide and drop, the existing fire extinguisher storage device of the fire truck is poor in damping effect, the existing fire extinguisher is inconvenient to take, the labor force of people is increased, and the safety of the existing fire extinguisher is low.

In order to achieve the purpose, the invention provides the following technical scheme: a fire extinguisher device of a fire fighting truck comprises a fire extinguisher placing box of the fire fighting truck, a base, a damping spring, a bottom plate, a first baffle, a third baffle, a hygrothermograph, a sponge protective layer, a visible liquid level meter, a nozzle, a handle, a pressure relief block and a pressure gas steel cylinder, wherein the fire extinguisher placing box of the fire fighting truck is rotationally connected with a box door through a hinge, an observation window is arranged on the box door, a handle is arranged on one side of the observation window, the base is arranged below the fire extinguisher placing box of the fire fighting truck, a supporting rod is arranged inside the base and is fixedly connected with the base through a fixed block, telescopic springs are arranged on two sides of the supporting rod, the damping spring is arranged on two sides of the supporting rod and is fixedly connected with the base through a first connecting plate, the bottom plate is arranged above the base, a plurality of fire extinguisher bases are, the first baffle is arranged on the left side of the fire extinguisher base, the second baffle is arranged on the right side of the fire extinguisher base, the third baffle is arranged on the right side of the second baffle, the fourth baffle is arranged on the right side of the third baffle, mounting grooves are formed in the first baffle, the second baffle, the third baffle and the fourth baffle and fixedly connected with a fixing mechanism, the fixing mechanism is fixedly connected with a protection mechanism, the hygrothermograph is respectively arranged above the first baffle and the fourth baffle, a smoke alarm is arranged on one side of the hygrothermograph, the smoke alarm is respectively arranged above the second baffle and the third baffle, the sponge protection layer is arranged below a fire extinguisher placing box top plate of the fire engine, a fire extinguisher main body is arranged below the sponge protection layer, the visual liquid level gauge is arranged on the outer side of the fire extinguisher main body, a pressure gauge is arranged above the fire extinguisher main body, and the nozzle is arranged on one side of the pressure gauge, and the manometer opposite side is equipped with presses the handle, presses handle one side simultaneously and is equipped with the safety catch, the handle sets up in fire extinguisher main part one side, and the handle below is equipped with pressure release mechanism, it sets up inside fire extinguisher main part to let out the briquetting, and is equipped with valve spring in the middle of fire extinguisher main part is inside, and the valve spring below is equipped with pressure gas jet valve simultaneously, the pressure gas steel bottle sets up in pressure gas jet valve below, and pressure gas steel bottle and dry powder extinguishing agent spray tube fixed connection, and pressure gas steel bottle one side is equipped with pressure sensor simultaneously.

Preferably, fixed establishment includes pneumatic cylinder, piston rod, second connecting plate, connecting rod, first spring, slide bar, slider, second spring and stopper, the pneumatic cylinder is connected with piston rod one end, and the piston rod other end and second connecting plate fixed connection, and second connecting plate one side is equipped with the connecting rod simultaneously, be equipped with first spring in the middle of the connecting rod, and first spring one side is equipped with the slide bar, and the slide bar both sides are equipped with the slider simultaneously, slider one side is equipped with the second spring, and second spring one side is equipped with the stopper.

Preferably, the protection mechanism comprises an arc-shaped base plate, a connecting spring and a protection pad, one side of the arc-shaped base plate is fixedly connected with the sliding block, and the other side of the arc-shaped base plate is fixedly connected with the protection pad through the connecting spring.

Preferably, the pressure relief mechanism comprises a movable block, a pressure relief hole, an electric push rod and a connecting piece, wherein the pressure relief hole is formed in one side of the movable block, the movable block is fixedly connected with the electric push rod, and the connecting piece is arranged above the electric push rod.

Preferably, the fire extinguisher placing box of the fire fighting truck and the box door form a rotating mechanism through hinges, and the rotating angle of the rotating mechanism ranges from 0 degree to 180 degrees.

Preferably, the number of the fire extinguisher bases is three, and the fire extinguisher bases are uniformly distributed above the bottom plate.

Preferably, the number of the hygrothermographs is two, and the hygrothermographs are respectively distributed on the first baffle and the fourth baffle.

Preferably, the number of the smoke alarms is two, and the smoke alarms are respectively distributed on the second baffle and the third baffle.

Preferably, the size of the sponge protective layer is the same as that of the bottom plate.

Compared with the prior art, the invention has the beneficial effects that: the fire extinguisher device of the fire engine,

(1) the fire extinguisher is characterized by being provided with a fire extinguisher base and a fixing mechanism, wherein the fire extinguisher base is uniformly distributed above the bottom plate, a fire extinguisher placing groove is formed in the fire extinguisher base, the fire extinguisher is convenient to fix and place through the fire extinguisher placing groove, the collision and falling accidents are avoided, the fixing mechanism is arranged on two sides of the fire extinguisher base, the fixing mechanism is matched with a protection mechanism to play a role in double protection, the fixing effect is good, and the fire extinguisher in the fire truck is effectively prevented from being damaged due to collision;

(2) the damping device is provided with a supporting rod and a damping spring, the supporting rod is arranged in the base, the telescopic springs are arranged on two sides of the supporting rod, the supporting rod is matched with the telescopic springs for use, so that the vibration amplitude is effectively reduced, the damping springs are arranged on two sides of the base and fixedly connected with the base through a first connecting plate, and the damping springs are matched with the supporting rod and the telescopic springs for use, so that the vibration amplitude can be effectively reduced, a good buffering effect is achieved, and the damping device is simple in mode and convenient to use;

(3) the fire extinguisher storage box is provided with an observation window and a lifting handle, the box door on the outer side of the fire extinguisher storage box of the fire fighting truck is provided with the observation window, the condition in the fire extinguisher storage box of the fire fighting truck can be observed conveniently through the observation window, whether the fire extinguisher is damaged or not can be observed conveniently and timely, the lifting handle is arranged on one side of the fire extinguisher main body, the fire extinguisher can be taken conveniently through the lifting handle, the fire extinguishing efficiency is greatly improved, the residual dry powder in the fire extinguisher main body can be observed;

(4) be provided with pressure release mechanism and smoke alarm, fire extinguisher main part one side is equipped with pressure release mechanism, through setting up the pressure release piece, the pressure release hole, the movable block, electric putter and pressure sensor isotructure, when the inside pressure of fire extinguisher main part is too big, release fire extinguisher main part internal pressure safety through the pressure release hole, effectively prevent fire extinguisher main part internal pressure too big and the accident of explosion, make the safe and reliable more of fire extinguisher main part, smoke alarm real-time detection smog, naked light, in case the discovery is reported to the police immediately, the fire fighter of being convenient for in time discovers and stamps out the naked light, play fine guard action.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the structure of the fire extinguisher placing groove of the present invention;

FIG. 4 is a schematic structural view of a fixing mechanism according to the present invention;

FIG. 5 is a schematic view of the protective mechanism of the present invention;

FIG. 6 is a schematic view of the main structure of the fire extinguisher according to the present invention;

FIG. 7 is a schematic view showing the internal structure of the fire extinguisher main body according to the present invention;

FIG. 8 is an enlarged view of the structure at A in FIG. 7 according to the present invention.

In the figure: 1. fire-fighting truck fire extinguisher placing box, 2, hinges, 3, a box door, 4, an observation window, 5, a handle, 6, a base, 7, a support rod, 8, a telescopic spring, 9, a fixed block, 10, a first connecting plate, 11, a damping spring, 12, a bottom plate, 13, a fire extinguisher base, 14, a fire extinguisher placing groove, 15, a first baffle, 16, a second baffle, 17, a third baffle, 18, a fourth baffle, 19, a mounting groove, 20, a fixing mechanism, 201, a hydraulic cylinder, 202, a piston rod, 203, a second connecting plate, 204, a connecting rod, 205, a first spring, 206, a sliding rod, 207, a sliding block, 208, a second spring, 209, a limiting block, 21, a protection mechanism, 211, an arc-shaped base plate, 212, a connecting spring, 213, a protection pad, 22, a hygrothermograph, 23, a smoke alarm, 24, a sponge protection layer, 25, a fire extinguisher main body, 26, a visual liquid level meter, 27. the device comprises a nozzle, 28, a pressure gauge, 29, a pressure handle, 30, a safety pin, 31, a handle, 32, a pressure relief mechanism, 321, a movable block, 322, a pressure relief hole, 323, an electric push rod, 324, a connecting piece, 33, a pressure relief block, 34, a valve spring, 35, a pressure gas spraying valve, 36, a pressure gas steel cylinder, 37, a dry powder extinguishing agent spraying pipe, 38 and a pressure sensor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, the present invention provides a fire extinguisher device for a fire fighting truck, as shown in fig. 1, fig. 3, fig. 4 and fig. 5, a fire extinguisher placing case 1 for a fire fighting truck is rotatably connected with a box door 3 through a hinge 2, and the box door 3 is provided with an observation window 4, and a handle 5 is provided at one side of the observation window 4, the fire extinguisher placing case 1 for a fire fighting truck forms a rotating mechanism with the box door 3 through the hinge 2, and the rotating mechanism rotates within a range of 0-180 degrees, so as to open the box door 3 at one side of the fire extinguisher placing case 1 for a fire fighting truck through the rotation of the hinge 2, so as to facilitate taking the fire extinguisher inside the fire extinguisher placing case 1 for a fire fighting truck, the mode is simple and convenient to use, the base 6 is disposed below the fire extinguisher placing case 1 for a fire fighting truck, and a support rod 7 is disposed inside the, damping spring 11 sets up in bracing piece 7 both sides, and damping spring 11 passes through first connecting plate 10 and base 6 fixed connection, bottom plate 12 sets up in base 6 top, and be equipped with a plurality of fire extinguisher bases 13 on bottom plate 12, fire extinguisher base 13 is inside to be equipped with fire extinguisher standing groove 14 simultaneously, fire extinguisher base 13 is equipped with threely, and fire extinguisher base 13 evenly distributed is in bottom plate 12 top, three fire extinguisher base 13 is inside all to be equipped with fire extinguisher standing groove 14, fire extinguisher standing groove 14 shape agrees with fire extinguisher body 25 shape, be convenient for better place the fire extinguisher, the fixity is better, convenient to use, first baffle 15 sets up in fire extinguisher base 13 left side, and fire extinguisher base 13 right side is equipped with second baffle 16, third baffle 17 sets up on second baffle 16 right side, and third baffle 17 right side is equipped with fourth baffle 18, first baffle 15, second baffle 16, The third baffle 17 and the fourth baffle 18 are both internally provided with a mounting groove 19, the mounting groove 19 is fixedly connected with a fixing mechanism 20, the fixing mechanism 20 is fixedly connected with a protection mechanism 21, a hydraulic cylinder 201 is connected with one end of a piston rod 202, the other end of the piston rod 202 is fixedly connected with a second connecting plate 203, one side of the second connecting plate 203 is provided with a connecting rod 204, the middle of the connecting rod 204 is provided with a first spring 205, one side of the first spring 205 is provided with a slide rod 206, two sides of the slide rod 206 are provided with slide blocks 207, one side of the slide block 207 is provided with a second spring 208, one side of the second spring 208 is provided with a limit block 209, the hydraulic cylinder 201 drives the piston rod 202 to do telescopic motion, so as to drive the second connecting plate 203 to do telescopic motion, thereby facilitating the fixing of fire extinguisher main bodies 25 with different sizes, the slide blocks 207 and the slide rods, and arc backing plate 211 other side passes through coupling spring 212 and protection pad 213 fixed connection, and arc backing plate 211 size is greater than protection pad 213 size, and arc backing plate 211 passes through coupling spring 212 to be connected with protection pad 213, is convenient for protect fixedly not unidimensional fire extinguisher main part 25.

As shown in fig. 2, 6, 7 and 8, the hygrothermograph 22 is respectively arranged above the first baffle 15 and the fourth baffle 18, a smoke alarm 23 is arranged on one side of the hygrothermograph 22, the smoke alarm 23 is respectively arranged above the second baffle 16 and the third baffle 17, two hygrothermographs 22 are arranged, the hygrothermographs 22 are respectively distributed on the first baffle 15 and the fourth baffle 18, the hygrothermograph 22 is used for detecting the temperature and the humidity of the environment so as to conveniently control the storage environment of the fire extinguisher main body 25, two smoke alarms 23 are arranged, the smoke alarms 23 are respectively distributed on the second baffle 16 and the third baffle 17, the smoke alarm 23 realizes fire hazard by monitoring the concentration of smoke, the interior of the smoke alarm 23 adopts ion-type smoke sensing, the ion-type smoke sensor is an advanced technology, the sensor with stable operation and reliability is widely applied to various fire-fighting alarm systems, the sponge protective layer 24 is arranged below a top plate of a fire extinguisher placing box 1 of a fire fighting truck, a fire extinguisher main body 25 is arranged below the sponge protective layer 24, the size of the sponge protective layer 24 is the same as that of a bottom plate 12, the sponge protective layer 24 plays a good role in protection, the fire extinguisher main body 25 is effectively prevented from being damaged or not normally used due to a collision accident, a visual liquid level meter 26 is arranged outside the fire extinguisher main body 25, a pressure gauge 28 is arranged above the fire extinguisher main body 25, a nozzle 27 is arranged on one side of the pressure gauge 28, a pressure handle 29 is arranged on the other side of the pressure gauge 28, a safety pin 30 is arranged on one side of the pressure handle 29, a handle 31 is arranged on one side of the fire extinguisher main body 25, a pressure relief mechanism 32 is arranged below the handle 31, a pressure relief hole 322 is arranged on one side of, the single chip microcomputer controls the electric push rod 323 to extend until the movable block 321 leaves the pressure relief hole 322, thereby exposing the pressure relief hole 322, the internal pressure of the fire extinguisher main body 25 flows out through the pressure relief hole 322, when the pressure sensor 38 detects that the internal pressure of the fire extinguisher main body 25 is stable, the single chip microcomputer controls the electric push rod 323 to shrink until the movable block 321 clings to the pressure relief hole 322, the pressure relief block 33 is arranged inside the fire extinguisher main body 25, and the valve spring 34 is arranged in the middle of the interior of the fire extinguisher main body 25, meanwhile, the pressure gas jet valve 35 is arranged below the valve spring 34, the pressure gas steel cylinder 36 is arranged below the pressure gas jet valve 35, the pressure gas steel cylinder 36 is fixedly connected with the dry powder fire extinguishing agent jet pipe 37, and meanwhile.

The working principle is as follows: when the fire extinguisher device of the fire engine is used, firstly, the fire engine is driven to a fire scene, the hinge 2 is driven to rotate by pulling the handle 5, the door 3 at one side of the fire extinguisher placing box 1 of the fire engine is opened, the observation window 4 is arranged on the door 3, the condition inside the fire extinguisher placing box 1 of the fire engine is convenient to observe through the observation window 4, the support rod 7, the expansion spring 8 and the damping spring 11 are arranged inside the base 6, the support rod 7 is matched with the expansion spring 8 for use, the vibration amplitude is effectively reduced, the damping spring 11 has better buffering effect, the vibration amplitude is effectively reduced, the damage of the fire extinguisher caused by bumping is avoided, the fire extinguisher base 13 is arranged above the bottom plate 12, the fire extinguisher base 13 is convenient for fixedly placing the fire extinguisher main body 25, the fire extinguisher base 13 is matched with the fixing mechanism 20 for use, the, thereby driving the second connecting plate 203 to do telescopic motion, one side of the second connecting plate 203 is provided with a connecting rod 204, the middle of the connecting rod 204 is provided with a first spring 205, the connecting rod 204 is respectively and fixedly connected with a sliding block 207, one side of the sliding block 207 is provided with a protective mechanism 21, an arc base plate 211 is fixedly connected with a protective pad 213 through a connecting spring 212, and the shapes of the arc base plate 211 and the protective pad 213 are matched with the shape of a fire extinguisher, thereby being convenient for better protecting the fire extinguisher, effectively avoiding the fire extinguisher from colliding and causing the fire extinguisher to be damaged, the mode is simpler and convenient to use, two hygrothermographs 22 are provided, the hygrothermographs 22 are respectively arranged above the first baffle 15 and the fourth baffle 18, the smoke alarms 23 are respectively arranged above the second baffle 16 and the third baffle 17, the hygrothermographs 22 are used for detecting the temperature and the humidity of the environment, and the smoke, the mode is simple, the practicability is high, the sponge protective layer 24 is widely used, the sponge protective layer 24 plays a role in protection, the fire extinguisher is effectively prevented from being collided and damaged due to bumping, and therefore the fire extinguisher cannot be normally used, one of the fire extinguisher main bodies 25 is taken out, the handle 31 is held by one hand, the fire extinguisher main body 25 is shaken uniformly, the residual condition of dry powder in the fire extinguisher main body 25 is observed conveniently through the visual liquid level meter 26, a new fire extinguisher is replaced conveniently in time, the safety pin 30 is pulled out, the nozzle 27 is aligned to a fire source, the pressing handle 29 is pressed by the other hand, the dry powder is finally sprayed out from the nozzle 27 through the dry powder extinguishing agent spray pipe 37, the pressure gas steel cylinder 36, the pressure gas spray valve 35 and the valve spring 34, the fire extinguishment is completed, when the internal pressure of the fire extinguisher main body 25 is overlarge, the pressure sensor, the single chip microcomputer controls the electric push rod 323 to extend until the movable block 321 leaves the pressure relief hole 322, so that the pressure relief hole 322 is exposed, the internal pressure of the fire extinguisher main body 25 flows out through the pressure relief hole 322, when the pressure sensor 38 detects that the internal pressure of the fire extinguisher main body 25 is stable, the single chip microcomputer controls the electric push rod 323 to shrink until the movable block 321 is tightly attached to the pressure relief hole 322, the exposure of substances inside the fire extinguisher main body 25 is prevented, the pressure relief block 33 is tightly plugged inside the mounting opening, when the internal pressure of the fire extinguisher main body 25 is too large, the pressure can support the pressure relief block 33 out from the mounting opening, the internal pressure reduction effect on the fire extinguisher main body 25 is achieved, the mode is simple, the explosion accident caused by the excessive internal pressure of the fire extinguisher main body 25 is effectively avoided, the fire extinguisher main body 25 is safer and more reliable, the safety is higher, and those not described in detail in this specification are well within the skill of those in the art.

The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for simplicity of description only and are not intended to indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operative in a particular orientation, and are not to be considered limiting of the claimed invention.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a fire engine fire extinguisher device, includes that fire engine fire extinguisher places case (1), base (6), damping spring (11), bottom plate (12), first baffle (15), third baffle (17), warm and humid acidimeter (22), sponge protective layer (24), visual level gauge (26), nozzle (27), handle (31), pressure release piece (33) and pressure gas steel bottle (36), its characterized in that: the fire fighting truck fire extinguisher placing box (1) is rotatably connected with the box door (3) through a hinge (2), the box door (3) is provided with an observation window (4), one side of the observation window (4) is provided with a handle (5), the base (6) is arranged below the fire fighting truck fire extinguisher placing box (1), a supporting rod (7) is arranged inside the base (6), the supporting rod (7) is fixedly connected with the base (6) through a fixed block (9), two sides of the supporting rod (7) are provided with telescopic springs (8), the damping springs (11) are arranged on two sides of the supporting rod (7), the damping springs (11) are fixedly connected with the base (6) through a first connecting plate (10), the bottom plate (12) is arranged above the base (6), the bottom plate (12) is provided with a plurality of fire extinguisher bases (13), and a fire extinguisher placing groove (14) is arranged inside the fire extinguisher base (13), the fire extinguisher comprises a fire extinguisher base (13), a first baffle (15), a second baffle (16), a third baffle (17), a fourth baffle (18), a mounting groove (19), a fixing mechanism (20), a protection mechanism (21), a hygrothermograph (22), a smoke alarm (23), a smoke alarm (16), a fire extinguisher base (13), a second baffle (16), a third baffle (17), a third baffle (16), a fourth baffle (17), a mounting groove (19), a fixing mechanism (20), a protection mechanism (21), a temperature and humidity meter (22), a third baffle (16), a fourth baffle (18), a smoke alarm (23), the fire extinguisher is characterized in that the sponge protection layer (24) is arranged below a top plate of the fire extinguisher placing box (1) of the fire engine, a fire extinguisher main body (25) is arranged below the sponge protection layer (24), the visual liquid level meter (26) is arranged outside the fire extinguisher main body (25), a pressure gauge (28) is arranged above the fire extinguisher main body (25), the nozzle (27) is arranged on one side of the pressure gauge (28), the other side of the pressure gauge (28) is provided with a pressure handle (29), a safety pin (30) is arranged on one side of the pressure handle (29), the handle (31) is arranged on one side of the fire extinguisher main body (25), a pressure relief mechanism (32) is arranged below the handle (31), the pressure relief block (33) is arranged inside the fire extinguisher main body (25), a valve spring (34) is arranged in the middle of the fire extinguisher main body (25), and a pressure gas injection, the pressure gas steel cylinder (36) is arranged below the pressure gas jet valve (35), the pressure gas steel cylinder (36) is fixedly connected with the dry powder extinguishing agent jet pipe (37), and meanwhile, one side of the pressure gas steel cylinder (36) is provided with a pressure sensor (38).

2. A fire extinguisher apparatus as claimed in claim 1, wherein: fixed establishment (20) include pneumatic cylinder (201), piston rod (202), second connecting plate (203), connecting rod (204), first spring (205), slide bar (206), slider (207), second spring (208) and stopper (209), pneumatic cylinder (201) are connected with piston rod (202) one end, and the piston rod (202) other end and second connecting plate (203) fixed connection, and second connecting plate (203) one side is equipped with connecting rod (204) simultaneously, be equipped with first spring (205) in the middle of connecting rod (204), and first spring (205) one side is equipped with slide bar (206), and slide bar (206) both sides are equipped with slider (207) simultaneously, slider (207) one side is equipped with second spring (208), and second spring (208) one side is equipped with stopper (209).

3. A fire extinguisher apparatus as claimed in claim 1, wherein: protection machanism (21) are including arc backing plate (211), coupling spring (212) and protection pad (213), arc backing plate (211) one side and slider (207) fixed connection, and arc backing plate (211) opposite side passes through coupling spring (212) and protection pad (213) fixed connection.

4. A fire extinguisher apparatus as claimed in claim 1, wherein: pressure release mechanism (32) are including movable block (321), pressure release hole (322), electric putter (323) and connecting piece (324), movable block (321) one side is equipped with pressure release hole (322), and movable block (321) and electric putter (323) fixed connection, and electric putter (323) top is equipped with connecting piece (324) simultaneously.

5. A fire extinguisher apparatus as claimed in claim 1, wherein: the fire extinguisher placing box (1) of the fire fighting truck and the box door (3) form a rotating mechanism through a hinge (2), and the rotating angle range of the rotating mechanism is 0-180 degrees.

6. A fire extinguisher apparatus as claimed in claim 1, wherein: the number of the fire extinguisher bases (13) is three, and the fire extinguisher bases (13) are uniformly distributed above the bottom plate (12).

7. A fire extinguisher apparatus as claimed in claim 1, wherein: the number of the hygrothermographs (22) is two, and the hygrothermographs (22) are respectively distributed on the first baffle plate (15) and the fourth baffle plate (18).

8. A fire extinguisher apparatus as claimed in claim 1, wherein: the number of the smoke alarms (23) is two, and the smoke alarms (23) are respectively distributed on the second baffle plate (16) and the third baffle plate (17).

9. A fire extinguisher apparatus as claimed in claim 1, wherein: the size of the sponge protective layer (24) is the same as that of the bottom plate (12).