CN111888695A

CN111888695A - Rechargeable fire extinguisher capable of preventing air pressure leakage

Info

Publication number: CN111888695A
Application number: CN202010824032.9A
Authority: CN
Inventors: 廖金伟
Original assignee: Yuyao Mino Safety Equipment Co ltd
Current assignee: Yuyao Mino Safety Equipment Co ltd
Priority date: 2020-08-17
Filing date: 2020-08-17
Publication date: 2020-11-06

Abstract

The invention discloses a rechargeable fire extinguisher capable of preventing air pressure leakage, which comprises an equipment box body, wherein a working cavity is arranged in the equipment box body, an inflation device is arranged in the working cavity, a storage cavity is arranged in a storage box, the upper side end surface of the storage cavity is fixedly connected with a feeding pipe, a filling device is fixedly connected onto the feeding pipe, the right side end surface of the storage box is fixedly connected with a discharge box, a detection device is fixedly connected onto the discharge box, the lower side end wall of the storage box is rotatably connected with a second transmission shaft extending downwards, a stirring device is fixedly connected onto the second transmission shaft, the upper side end wall of the equipment box body is fixedly connected with a spraying box, a spraying cavity is arranged in the spraying box, and a spraying device is arranged in the spraying cavity. The use efficiency is higher.

Description

Rechargeable fire extinguisher capable of preventing air pressure leakage

Technical Field

The invention relates to the field of fire fighting equipment, in particular to a rechargeable fire extinguisher capable of preventing air pressure leakage.

Background

The fire extinguisher is a portable fire extinguishing tool, and is one of the common fire-proof facilities, and chemical articles are placed in the fire extinguisher for extinguishing fire. A common fire extinguisher is placed in a place for a long time, the condition of insufficient internal air pressure or overlarge air pressure is easily caused due to the influence of the environment, the normal use is influenced, meanwhile, people are required to approach an ignition point when the fire extinguisher is operated, the fire extinguisher is dangerous, fire extinguishing agents in the fire extinguisher are accumulated for a long time, are easy to adhere and cannot be normally sprayed out, and the fire extinguisher capable of solving the problems is disclosed by the invention.

Disclosure of Invention

The technical problem is as follows: the not enough or too big condition of atmospheric pressure of inside atmospheric pressure appears easily in common fire extinguisher can influence normal use, and the while operation fire extinguisher needs the people to be close the ignition, and is more dangerous, and the fire extinguishing agent in the fire extinguisher piles up often, easy adhesion, unable normal blowout.

In order to solve the problems, the present example designs a rechargeable fire extinguisher capable of preventing air pressure leakage, which comprises an equipment box body, wherein a working chamber is arranged in the equipment box body, an inflation device is arranged in the working chamber and is used for filling air pressure and preventing leakage, the inflation device comprises a base fixedly connected on the lower end surface of the working chamber, a sliding box is fixedly connected on the upper end surface of the base, a piston rod is slidably connected on the right end surface of the sliding box, a first spring is fixedly connected on the piston rod, a first piston is fixedly connected on the right end surface of the piston rod, a preparation box is fixedly connected on the right end surface of the base, a preparation chamber is arranged in the preparation box, the first piston is slidably connected in the preparation chamber, and an inflation tube is fixedly connected on the upper end surface of the preparation chamber, the fire extinguishing chamber is characterized in that a second one-way valve is fixedly connected to the inflation tube, an inflation inlet is fixedly connected to the upper side end face of the inflation tube, a first inflow tube is fixedly connected to the upper side end face of the preparation chamber, a leakage-proof chamber is fixedly connected to the right side end face of the first inflow tube, a leakage-proof chamber is arranged in the leakage-proof chamber, a third piston is slidably connected in the leakage-proof chamber, a fifth spring is fixedly connected between the right side end face of the third piston and the right side end face of the leakage-proof chamber, a second inflow tube is fixedly connected to the lower side end face of the leakage-proof chamber, a storage chamber is arranged in the storage chamber, an inlet tube is fixedly connected to the upper side end face of the storage chamber, a filler device is fixedly connected to the inlet tube, the filler device is used for filling fire extinguishing agents, an exhaust chamber is fixedly connected to the right side end face of the storage, detection device is used for preventing that atmospheric pressure is too big, bin downside end wall rotates and is connected with downwardly extending's second transmission shaft, fixedly connected with agitating unit on the second transmission shaft, agitating unit is used for stirring fire extinguishing agent, equipment box upside end wall fixedly connected with sprays the case, be equipped with the injection chamber in the injection case, it is equipped with injection apparatus to spray the intracavity, injection apparatus is used for putting out a fire the measure, be equipped with first secondary pulley in the injection apparatus, first secondary pulley fixed connection is in second gear axle left side terminal surface, be equipped with bevel gear in the agitating unit, bevel gear fixed connection be in second gear axle right side terminal surface, injection apparatus accessible first secondary pulley with bevel gear coaxial motion transmits for agitating unit.

Preferably, the filling device comprises the feeding pipe fixedly connected to the upper end wall of the storage box, a sealing ring is fixedly connected to the feeding pipe, a second sealing plate is connected to the sealing ring in a sliding manner, a movement cavity is fixedly connected to the upper end wall of the equipment box body, a second spring cavity is fixedly connected to the left end surface of the movement cavity, a sixth spring is fixedly connected between the left end surface of the second spring cavity and the left end surface of the second sealing plate, a tensioning rope is fixedly connected to the left end surface of the second sealing plate, a second through hole is fixedly connected to the second sealing plate, a feeding port is fixedly connected to the upper end surface of the feeding pipe, a first spring cavity is fixedly connected to the upper end wall of the equipment box body, an extrusion block is arranged in the first spring cavity, and a second spring is fixedly connected between the lower end surface of the extrusion block and the lower end surface, the lower end face of the extrusion block is fixedly connected with the tensioning rope.

Preferably, the detection device comprises a detection tube fixedly connected to the upper end wall of the storage box, the upper end face of the detection tube is fixedly connected with a barometer, the right end wall of the storage box is fixedly connected with the discharge box, the upper end wall of the discharge box is fixedly connected with the barometer, a discharge cavity is arranged in the discharge box, a second piston is slidably connected to the discharge cavity, a third spring is fixedly connected between the lower end face of the second piston and the lower end face of the discharge cavity, a discharge tube is fixedly connected to the right end wall of the discharge box, a first check valve is fixedly connected to the discharge tube, and a discharge port is fixedly connected to the right end face of the discharge tube.

Preferably, the injection device comprises an injection box fixedly connected to the upper end wall of the equipment box body, the injection box is internally provided with the injection cavity, the left end face of the injection cavity is fixedly connected with a motor base, the right end face of the motor base is rotatably connected with a motor shaft extending rightwards, the motor shaft is in power connection with a motor fixedly connected to the motor base, the motor shaft is fixedly connected with a worm, the front end face of the injection cavity is rotatably connected with a first transmission shaft extending backwards, the first transmission shaft is fixedly connected with a worm wheel, the worm wheel is in meshing connection with the worm, the first transmission shaft is fixedly connected with an injection rod, the right end face of the injection rod is fixedly connected with a fixed block, the right end face of the fixed block is fixedly connected with an injection pipe, and the right end face of the injection pipe is fixedly connected with a, the improved ejection device comprises a motor shaft, a first belt wheel, a fixing plate, an ejection pipe, a first sealing plate, a first through hole, a solenoid valve, a movable chamber and a fourth spring, wherein the first belt wheel is fixedly connected to the motor shaft, the fixing plate is fixedly connected to the end wall of the lower side of the device box body, the end surface of the left side of the fixing plate is rotatably connected with a second gear shaft which penetrates through the extension, the end surface of the left side of the second gear shaft is fixedly connected with a first secondary belt wheel, the first secondary belt wheel is rotatably connected between the first secondary belt wheel and the first belt wheel, the end wall of the upper side of the storage box is fixedly connected with the ejection pipe, the ejection pipe is slidably connected with the first sealing plate, the first through hole is fixedly connected to the first sealing plate, the solenoid.

Preferably, the stirring device comprises the bevel gear fixedly connected to the right end face of the second gear shaft, a first gear shaft extending upward is rotatably connected to the lower end wall of the equipment box body, an auxiliary bevel gear is fixedly connected to the upper end face of the first gear shaft, the auxiliary bevel gear is meshed with the bevel gear, a second belt wheel is fixedly connected to the first gear shaft, a second transmission shaft extending downward is rotatably connected to the lower end wall of the storage box, a second auxiliary belt wheel is fixedly connected to the lower end face of the second transmission shaft, a second V-belt is rotatably connected between the second auxiliary belt wheel and the second belt wheel, the sealing ring is fixedly connected to the second transmission shaft, a stirring rod is fixedly connected to the upper end face of the second transmission shaft, and a rear gear shaft extending rearward is rotatably connected to the front end wall of the equipment box body, the rear wheel shaft is fixedly connected with rear wheels, the end face of the front side of the equipment box body is rotatably connected with a front wheel shaft extending backwards, and the front wheel shaft is fixedly connected with front wheels.

The invention has the beneficial effects that: the rechargeable fire extinguisher capable of preventing air pressure leakage controls the spray head to move up and down through the rotation of the motor to extinguish fire at different positions, meanwhile, the equipment can extinguish fire through remote operation, personnel injury is reduced, when the equipment is filled, the internal air pressure condition is controlled through the piston, when the air pressure is reduced, the piston can be pushed to supplement the internal air pressure through air pressure difference in the prepared cavity, when the air pressure is increased, the piston is pressed to discharge excessive gas through the one-way valve through detection, the danger of the equipment is reduced, meanwhile, the piston and the sealing ring are used for preventing the gas leakage, and finally, the electromagnetic valve port is controlled through the motor, and the spray pipe is opened for fire extinguishing treatment, so the rechargeable fire extinguisher is safer to use and higher in use efficiency.

Drawings

For ease of illustration, the invention is described in detail by the following specific examples and figures.

FIG. 1 is a schematic view showing the overall construction of a rechargeable fire extinguisher capable of preventing leakage of air pressure according to the present invention;

FIG. 2 is an enlarged view of the structure at "A" in FIG. 1;

FIG. 3 is an enlarged view of the structure at "B" in FIG. 1;

fig. 4 is an enlarged schematic view of the structure at "C" of fig. 2.

Detailed Description

The invention will now be described in detail with reference to fig. 1 to 4, for the sake of convenience of description, the following orientations are now defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention relates to a rechargeable fire extinguisher capable of preventing air pressure leakage, which is mainly applied to fire extinguishing treatment and can prevent air pressure leakage, and the invention is further explained by combining the attached drawings of the invention:

the invention relates to a rechargeable fire extinguisher capable of preventing air pressure leakage, which comprises an equipment box body 11, wherein a working chamber 22 is arranged in the equipment box body 11, an inflating device 101 is arranged in the working chamber 22, the inflating device 101 is used for filling air pressure and preventing leakage, the inflating device 101 comprises a base 20 fixedly connected on the lower side end surface of the working chamber 22, the upper side end surface of the base 20 is fixedly connected with a sliding box 21, the right side end surface of the sliding box 21 is slidably connected with a piston rod 17, the piston rod 17 is fixedly connected with a first spring 16, the right side end surface of the piston rod 17 is fixedly connected with a first piston 15, the right side end surface of the base 20 is fixedly connected with a preparation box 13, a preparation chamber 14 is arranged in the preparation box 13, the first piston 15 is slidably connected in the preparation chamber 14, and an inflating pipe 61 is fixedly connected on the upper side end surface, fixedly connected with second check valve 60 on gas tube 61, the terminal surface fixedly connected with inflation inlet 62 on the side of gas tube 61, prepare 14 upside terminal surface fixedly connected with in chamber 59, first inflow 59 right side terminal surface fixedly connected with prevents leaking case 77, be equipped with in preventing leaking the case 77 and prevent leaking the chamber 81, it has third piston 80 to prevent to leak intracavity 81 sliding connection, third piston 80 right side terminal surface with prevent leaking fixedly connected with fifth spring 78 between chamber 81 right side terminal surface, prevent leaking chamber 81 downside terminal surface fixedly connected with second inflow 79, second inflow 79 downside terminal surface fixedly connected with bin 12, be equipped with storage chamber 43 in bin 12, storage chamber 43 upside terminal surface fixedly connected with inlet pipe 58, fixedly connected with filler device 102 on the inlet pipe 58, filler device 102 is used for filling fire extinguishing agent, a discharge box 44 is fixedly connected to the right end face of the storage box 12, a detection device 103 is fixedly connected to the discharge box 44, the detection device 103 is used for preventing the air pressure from being too large, a second transmission shaft 53 extending downwards is rotatably connected to the lower end wall of the storage box 12, a stirring device 105 is fixedly connected to the second transmission shaft 53, the stirring device 105 is used for stirring fire extinguishing agent, a spraying box 27 is fixedly connected to the upper end wall of the equipment box body 11, a spraying cavity 28 is arranged in the spraying box 27, a spraying device 104 is arranged in the spraying cavity 28, the spraying device 104 is used for fire extinguishing measures, a first secondary pulley 73 is arranged in the spraying device 104, the first secondary pulley 73 is fixedly connected to the left end face of the second gear shaft 74, a bevel gear 75 is arranged in the stirring device 105, and the bevel gear 75 is fixedly connected to the right end face of, the injection device 104 can be transmitted to the stirring device 105 through the first secondary pulley 73 and the bevel gear 75 in a coaxial motion.

Advantageously, the filling device 102 includes the feeding pipe 58 fixedly connected to the upper end wall of the storage box 12, a sealing ring 54 is fixedly connected to the feeding pipe 58, a second closing plate 84 is slidably connected to the sealing ring 54, a moving chamber 64 is fixedly connected to the upper end wall of the equipment box 11, a second spring chamber 82 is fixedly connected to the left end surface of the moving chamber 64, a sixth spring 83 is fixedly connected between the left end surface of the second spring chamber 82 and the left end surface of the second closing plate 84, a tensioning rope 41 is fixedly connected to the left end surface of the second closing plate 84, a second through hole 85 is fixedly connected to the second closing plate 84, a feeding port 63 is fixedly connected to the upper end surface of the feeding pipe 58, a first spring chamber 40 is fixedly connected to the upper end wall of the equipment box 11, a squeezing block 39 is arranged in the first spring chamber 40, and a second spring is fixedly connected between the lower end surface of the squeezing block 39 and the lower end surface of 42, the lower end face of the extrusion block 39 is fixedly connected with the tensioning rope 41.

Beneficially, detection device 103 includes a detection tube 38 fixedly connected to the upper end wall of storage box 12, an air pressure gauge 37 is fixedly connected to the upper end surface of detection tube 38, a second piston 45 is slidably connected to the right end wall of storage box 12, a third spring 49 is fixedly connected between the lower end surface of second piston 45 and the lower end surface of discharge chamber 48, a discharge tube 57 is fixedly connected to the right end wall of discharge box 44, a first right check valve 47 is fixedly connected to discharge tube 57, and a discharge outlet 46 is fixedly connected to the end surface of discharge tube 57.

Advantageously, the injection device 104 comprises the injection box 27 fixedly connected to the upper end wall of the equipment cabinet 11, the injection chamber 28 is arranged in the injection box 27, the motor base 23 is fixedly connected to the left end surface of the injection chamber 28, the motor shaft 25 extending to the right is rotatably connected to the right end surface of the motor base 23, the motor shaft 25 is in power connection with the motor 24 fixedly connected to the motor base 23, the worm 32 is fixedly connected to the motor shaft 25, the first transmission shaft 31 extending to the rear is rotatably connected to the front end surface of the injection chamber 28, the worm wheel 30 is fixedly connected to the first transmission shaft 31, the worm wheel 30 is in meshing connection with the worm 32, the injection rod 33 is fixedly connected to the first transmission shaft 31, the fixed block 34 is fixedly connected to the right end surface of the injection rod 33, and the ejection pipe 35 is fixedly connected to the right end surface of the fixed block 34, the right end face of the ejection pipe 35 is fixedly connected with a nozzle 36, the motor shaft 25 is fixedly connected with a first belt pulley 26, a fixed plate 72 is fixedly connected to the lower end wall of the equipment box 11, a second gear shaft 74 which extends through the fixed plate 72 is rotatably connected to the left end face of the fixed plate 72, the first secondary pulley 73 is fixedly connected to the left end face of the second gear shaft 74, a first V-belt 29 is rotatably connected between the first secondary pulley 73 and the first pulley 26, the upper end wall of the storage box 12 is fixedly connected with the ejection pipe 35, the ejection pipe 35 is connected with a first closing plate 67 in a sliding way, a first through hole 66 is fixedly connected to the first closing plate 67, an electromagnetic valve 69 is fixedly connected to the right end face of the first closing plate 67, the interior fixedly connected with of the upside end wall of equipment box 11 removes chamber 68, remove chamber 68 left side terminal surface with fixedly connected with fourth spring 65 between the first closing plate 67 left side terminal surface.

Advantageously, the stirring device 105 comprises the bevel gear 75 fixedly connected to the right end face of the second gear shaft 74, the lower end wall of the equipment box 11 is rotatably connected with a first gear shaft 71 extending upward, the upper end face of the first gear shaft 71 is fixedly connected with a secondary bevel gear 76, the secondary bevel gear 76 is in meshing connection with the bevel gear 75, the first gear shaft 71 is fixedly connected with a second pulley 70, the lower end wall of the storage box 12 is rotatably connected with a second transmission shaft 53 extending downward, the lower end face of the second transmission shaft 53 is fixedly connected with a second secondary pulley 55, a second V-belt 56 is rotatably connected between the second secondary pulley 55 and the second pulley 70, the second transmission shaft 53 is fixedly connected with the sealing ring 54, the upper end face of the second transmission shaft 53 is fixedly connected with the stirring rod 52, the front end wall of the equipment box 11 is rotatably connected with a rear gear shaft 19 extending rearward, the rear wheel shaft 19 is fixedly connected with a rear wheel 18, the front end face of the front side of the equipment box body 11 is rotatably connected with a front wheel shaft 50 extending backwards, and the front wheel shaft 50 is fixedly connected with a front wheel 51.

The use steps of a rechargeable fire extinguisher capable of preventing air pressure leakage according to the present invention will be described in detail with reference to fig. 1 to 4 as follows:

initially, the second spring 42 is in tension, the tensioning cord 41 is in tension, the sixth spring 83 is in compression, the fourth spring 65 is in compression, the fifth spring 78 is in tension, the first spring 16 is in tension, and the third spring 49 is in tension.

Before the device starts to operate, the feed opening 63 is opened, the squeezing block 39 is pressed, the squeezing block 39 squeezes the second spring 42, the second spring 42 becomes a compressed state, the tensioning rope 41 becomes a loose state, the sixth spring 83 becomes a stretched state, the sixth spring 83 drives the second closing plate 84 to move rightwards, the second through hole 85 is communicated with the feed pipe 58, fire extinguishing agents enter the storage cavity 43 from the feed opening 63 through the feed pipe 58, the feed opening 63 is closed, the squeezing block 39 is released, the second closing plate 84 closes the feed pipe 58 to prevent the fire extinguishing agents from leaking, and meanwhile the sealing ring 54 prevents the gases in the storage cavity 43 from leaking.

After the fire extinguishing agent is filled, the gas filling opening 62 is opened, gas is filled from the gas filling opening 62, the second check valve 60 is opened, the gas enters the preparation chamber 14 through the gas filling pipe 61, the gas starts to be stored in the preparation chamber 14, when a certain gas pressure is reached, the gas pushes the first piston 15 to start more storage, the first spring 16 becomes a compression state, meanwhile, the gas flows from the preparation chamber 14 to the leakage-proof chamber 81 through the first inflow pipe 59, the gas pushes the third piston 80 to move to the right, the fifth spring 78 becomes a compression state, the leakage-proof chamber 81 is communicated with the second inflow pipe 79, the gas flows from the leakage-proof chamber 81 to the storage chamber 43 through the second inflow pipe 79, the gas starts to be filled in the storage chamber 43, when the gas in the storage chamber 43 is filled to a certain value, the gas gauge 37 can detect the pressure, stop filling, the third piston 80 is not being pressed by gas, the third piston 80 moves leftwards, the fifth spring 78 changes to the stretching state, the storage chamber 43 completes gas filling, and the third piston 80 disconnects the interface of the second inflow pipe 79 to prevent gas from overflowing from the storage chamber 43.

When the air pressure in the storage cavity 43 is reduced, the air pressure in the preparation cavity 14 is larger than the air pressure in the storage cavity 43, the third piston 80 moves rightwards, the second inflow pipe 79 is communicated, the air in the preparation cavity 14 flows into the storage cavity 43, and the air is supplemented, so that the air pressure in the storage cavity 43 is recovered to be normal, and the use safety of the equipment is ensured.

When the air pressure in the storage chamber 43 becomes higher, the air pressure in the storage chamber 43 will flow through the detection tube 38 and flow into the discharge chamber 48 through the detection tube 38, and when the air pressure is too high, the air will press the second piston 45, the third spring 49 becomes compressed, the discharge tube 57 will be connected, the first check valve 47 will be opened, the air will flow to the discharge port 46 through the discharge tube 57, and the discharge port 46 will discharge the excess air until the air pressure in the storage chamber 43 returns to normal.

When the fire is extinguished after the filling of the gas and the fire extinguishing agent is completed, the motor 24 is started, the motor 24 drives the motor shaft 25 to rotate, the motor shaft 25 drives the worm 32 to rotate, the worm 32 is engaged with the worm wheel 30 to drive the worm wheel 30 to rotate, the worm wheel 30 drives the first transmission shaft 31 to rotate, the first transmission shaft 31 drives the spray rod 33 to rotate, the spray rod 33 drives the fixed block 34 to move up and down, the fixed block 34 drives the spray pipe 35 to move, the spray pipe 35 drives the spray nozzle 36 to move for controlling the spray direction during the fire extinguishing, at the same time, the motor shaft 25 drives the first pulley 26 to rotate, the first pulley 26 drives the first secondary pulley 73 to rotate through the rotational connection of the first V-belt 29, and the first secondary pulley 73 drives the second gear shaft 74 to rotate, the second gear shaft 74 drives the bevel gear 75 to rotate, the bevel gear 75 is engaged with the secondary bevel gear 76 to drive the secondary bevel gear 76 to rotate, the secondary bevel gear 76 drives the first gear shaft 71 to rotate, the first gear shaft 71 drives the second pulley 70 to rotate, the second pulley 70 is connected by the second V-belt 56 to drive the second secondary pulley 55 to rotate, the second secondary pulley 55 drives the second transmission shaft 53 to rotate, the second transmission shaft 53 drives the stirring rod 52 to rotate for stirring the fire extinguishing agent in the storage cavity 43 to prevent adhesion caused by long-time accumulation and influence on fire extinguishing effect, meanwhile, the electromagnetic valve 69 is started to drive the first closing plate 67 to move rightwards, the fourth spring 65 is in a stretching state, and the first through hole 66 is communicated with the spraying pipe 35, the gas and fire extinguishing agent in the storage chamber 43 flow from the storage chamber 43 to the nozzle 36 through the spraying pipe 35 under the action of pressure, and the nozzle 36 starts spraying to achieve the fire extinguishing effect.

In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.

Claims

1. The utility model provides a but fire extinguisher that recharges that prevents atmospheric pressure leakage, includes the equipment box, its characterized in that: the device comprises a device box body, wherein a working cavity is arranged in the device box body, an inflating device is arranged in the working cavity and used for filling air pressure and preventing leakage, the inflating device comprises a base fixedly connected to the lower side end face of the working cavity, the upper side end face of the base is fixedly connected with a sliding box, the right side end face of the sliding box is slidably connected with a piston rod, a first spring is fixedly connected to the piston rod, the right side end face of the piston rod is fixedly connected with a first piston, the right side end face of the base is fixedly connected with a preparation box, a preparation cavity is arranged in the preparation box, the first piston is slidably connected in the preparation cavity, the upper side end face of the preparation cavity is fixedly connected with an inflation tube, a second one-way valve is fixedly connected to the inflation tube, the upper side end face of the inflation tube is fixedly connected, the fire extinguishing device comprises a first inflow pipe, a first piston, a second inflow pipe, a third piston, a fifth spring, a filler device, a detection device, a stirring device and a fire extinguishing agent, wherein the first inflow pipe is fixedly connected with a leakage-proof box on the right end face, the leakage-proof box is internally provided with a leakage-proof cavity, the sliding connection of the third piston in the leakage-proof cavity is provided with the third piston, the fifth spring is fixedly connected between the right end face of the third piston and the right end face of the leakage-proof cavity, the lower end face of the leakage-proof cavity is fixedly connected with the second inflow pipe, the lower end face of the second inflow pipe is fixedly connected with a storage box, the storage box is internally provided with a storage cavity, the upper end face of the storage cavity is fixedly connected with an inlet pipe, the filler device is fixedly connected with the inlet pipe and used for filling fire extinguishing agent, the right end face of the storage box is, the stirring device is used for stirring fire extinguishing agents, an injection box is fixedly connected to the upper side end wall of the equipment box body, an injection cavity is formed in the injection box, an injection device is arranged in the injection cavity and used for carrying out fire extinguishing measures, a first secondary pulley is arranged in the injection device and fixedly connected to the left end face of a second gear shaft, a bevel gear is arranged in the stirring device and fixedly connected to the right end face of the second gear shaft, and the injection device can pass through the first secondary pulley and is coaxially moved and transmitted to the stirring device.

2. A rechargeable fire extinguisher capable of preventing leakage of air pressure as claimed in claim 1, wherein: the filling device comprises the feeding pipe fixedly connected to the upper side end wall of the storage box, a sealing ring is fixedly connected to the feeding pipe, a second sealing plate is connected in the sealing ring in a sliding manner, a movement cavity is fixedly connected to the upper side end wall of the equipment box body, a second spring cavity is fixedly connected to the left side end surface of the movement cavity, a sixth spring is fixedly connected between the left side end surface of the second spring cavity and the left side end surface of the second sealing plate, a tensioning rope is fixedly connected to the left side end surface of the second sealing plate, a second through hole is fixedly connected to the second sealing plate, a feeding hole is fixedly connected to the upper side end surface of the feeding pipe, a first spring cavity is fixedly connected to the upper side end wall of the equipment box body, an extrusion block is arranged in the first spring cavity, and a second spring is fixedly connected between the lower side, the lower end face of the extrusion block is fixedly connected with the tensioning rope.

3. A rechargeable fire extinguisher capable of preventing leakage of air pressure as claimed in claim 1, wherein: detection device includes fixed connection and is in the last test tube of side end wall on the bin, side end face fixedly connected with barometer on the test tube, bin right side end wall fixedly connected with the discharge case, discharge case side end wall fixedly connected with the barometer, the discharge incasement is equipped with the discharge chamber, discharge intracavity sliding connection has the second piston, second piston downside terminal surface with fixedly connected with third spring between the discharge chamber downside terminal surface, discharge case right side end wall fixedly connected with discharge pipe, the first check valve of fixedly connected with on the discharge pipe, discharge pipe right side terminal surface fixedly connected with discharge port.

4. A rechargeable fire extinguisher capable of preventing leakage of air pressure as claimed in claim 1, wherein: the injection device comprises an injection box fixedly connected to the end wall of the upper side of the equipment box body, the injection box is internally provided with an injection cavity, the left end face of the injection cavity is fixedly connected with a motor base, the right end face of the motor base is rotatably connected with a motor shaft extending rightwards, the motor shaft is in power connection with a motor fixedly connected to the motor base, the motor shaft is fixedly connected with a worm, the front end face of the injection cavity is rotatably connected with a first transmission shaft extending backwards, the first transmission shaft is fixedly connected with a worm wheel, the worm wheel is meshed with the worm, the first transmission shaft is fixedly connected with an injection rod, the right end face of the injection rod is fixedly connected with a fixed block, the right end face of the fixed block is fixedly connected with an injection pipe, the right end face of the injection pipe is fixedly connected with a nozzle, and the motor shaft is, fixedly connected with fixed plate on the equipment box downside end wall, fixed plate left side terminal surface rotates and is connected with the second gear axle that runs through the extension, second gear axle left side terminal surface fixedly connected with first secondary pulley, first secondary pulley with rotate between the first pulley and be connected with first V area, bin upside end wall fixedly connected with the ejection pipe, sliding connection has first closing plate on the ejection pipe, the first through-hole of fixedly connected with on the first closing plate, first closing plate right side terminal surface fixedly connected with solenoid valve, fixedly connected with removes the chamber in the equipment box upside end wall, remove chamber left side terminal surface with fixedly connected with fourth spring between the first closing plate left side terminal surface.

5. A rechargeable fire extinguisher capable of preventing leakage of air pressure as claimed in claim 1, wherein: the stirring device comprises the bevel gear fixedly connected to the right end face of the second gear shaft, a first gear shaft extending upwards is rotatably connected to the lower end wall of the equipment box body, an auxiliary bevel gear is fixedly connected to the upper end face of the first gear shaft, the auxiliary bevel gear is meshed with the bevel gear and is connected with the first gear shaft, a second belt wheel is fixedly connected to the lower end wall of the storage box, a second transmission shaft extending downwards is rotatably connected to the lower end face of the storage box, a second auxiliary belt wheel is fixedly connected to the lower end face of the second transmission shaft, a second V belt is rotatably connected between the second auxiliary belt wheel and the second belt wheel, the sealing ring is fixedly connected to the second transmission shaft, a stirring rod is fixedly connected to the upper end face of the second transmission shaft, a rear wheel shaft extending backwards is rotatably connected to the front end wall of the equipment box body, and a rear wheel, the front end face of the front side of the equipment box body is rotatably connected with a front wheel shaft extending backwards, and a front wheel is fixedly connected to the front wheel shaft.