CN210433875U

CN210433875U - Shoulder anti-emission fire-fighting device

Info

Publication number: CN210433875U
Application number: CN201920918651.7U
Authority: CN
Inventors: 李伟雄
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-18
Filing date: 2019-06-18
Publication date: 2020-05-01
Anticipated expiration: 2029-06-18

Abstract

The utility model discloses a shoulder-resistance emission-type fire-fighting fire extinguishing device, wherein the rear end of the cylinder body of a bullet-pushing cylinder is detachably connected with a high-pressure air cylinder, the high-pressure air cylinder is communicated with the inner cavity of the bullet-pushing cylinder, a switching valve is arranged on a pipeline communicated between the high-pressure air cylinder and the inner cavity of the bullet-pushing cylinder, a holding handle is vertically fixed on the cylinder body of the bullet-pushing cylinder, a trigger plate is connected on the holding handle through the elastic rotation of a torsional spring, and the upper end of the trigger plate is connected with the switching valve through a connecting rod mechanism; the inside cavity of the bullet pushing cylinder is provided with a pushing mechanism, the front end of the bullet pushing cylinder is fixedly connected with a bullet barrel, the fire extinguishing bullet is clamped in the bullet barrel, and one end of the pushing mechanism extends into the bullet barrel and abuts against the bottom of the fire extinguishing bullet. The utility model aims to solve the problem that the fire extinguishing bomb in the prior art cannot be launched to a far position, has a smaller fire extinguishing range and is not suitable for a larger range. The technical effects achieved are as follows: the fire extinguishing bomb is launched remotely by the artificial shoulder and has a good fire extinguishing effect.

Description

Shoulder anti-emission fire-fighting device

Technical Field

The embodiment of the utility model relates to a fire control unit technical field, concretely relates to shoulder anti-transmission fire control extinguishing device.

Background

Fire control is the elimination of prevention, namely the prevention and solution people meet in life, work, study the general term of man-made and natural, accidental calamity, the narrow meaning of course is the meaning of putting out the conflagration in people's understanding initial stage, the conflagration is the disastrous burning phenomenon that loses control on time or space, in various calamity, the conflagration is one of the main calamity that threatens public safety and social development most often, the fire control apparatus that puts out a fire now mainly is fire engine and dry powder extinguisher, the fire engine utilizes the high-pressure squirt to put out a fire, only be applicable to convenient traffic and area with water resource put out a fire, the dry powder extinguisher utilizes the dry powder to produce a large amount of carbon dioxide foam to put out the conflagration, only be applicable to the fire of minizone, can's position that can't the manual fire control bullet to put out a.

The conventional fire extinguishing bomb usually extinguishes fire only through dry powder contained inside, so that the fire extinguishing effect is poor, the conventional fire extinguishing bomb can only extinguish surrounding flames, the fire extinguishing range is small, and the conventional fire extinguishing bomb is not suitable for fires in a large range.

SUMMERY OF THE UTILITY MODEL

Therefore, the embodiment of the utility model provides an anti-formula fire control extinguishing device of shoulder to solve prior art because the fire extinguishing bomb can't launch to position far away, the scope of putting out a fire is less, is not suitable for problem on a large scale.

In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:

according to a first aspect of embodiments of the present invention, a shoulder fire fighting device comprises a high pressure inflator, a switch valve, a projectile pushing cylinder, a cartridge, a fire extinguishing bomb, a grip handle, a link mechanism, a trigger plate and a torsion spring; the rear end of the cylinder body of the bullet pushing cylinder is detachably connected with a high-pressure air cylinder, the high-pressure air cylinder is communicated with an internal cavity of the bullet pushing cylinder, a switch valve is arranged on a pipeline communicated between the high-pressure air cylinder and the internal cavity of the bullet pushing cylinder, a holding handle is vertically fixed on the cylinder body of the bullet pushing cylinder, a trigger plate is elastically and rotatably connected to the holding handle through a torsional spring, and the upper end of the trigger plate is connected with the switch valve through a link mechanism; the inside cavity of the bullet pushing cylinder is provided with a pushing mechanism, the front end of the bullet pushing cylinder is fixedly connected with a bullet barrel, the fire extinguishing bullet is clamped in the bullet barrel, and one end of the pushing mechanism extends into the bullet barrel and abuts against the bottom of the fire extinguishing bullet.

Further, the pushing mechanism comprises a pushing elastic plate, an air cylinder push rod and an air cylinder piston; cylinder piston sliding connection is in pushing away the inside cavity of bullet cylinder, and the one end and the cylinder piston fixed connection of cylinder push rod, the inside cavity and the fixedly connected with that push away the bullet cylinder are worn out to the other end of cylinder push rod and are pushed away the bullet board, push away the bottom of bullet of popping out.

Further, the air cylinder also comprises an air cylinder spring, an exhaust hole and an exhaust plug; the cylinder spring is sleeved on the outer peripheral side of the cylinder push rod, and one end of the cylinder spring is fixed on the front bottom surface of the inner cavity of the push-bounce cylinder; the exhaust hole is arranged on the side wall of the bullet pushing cylinder, the exhaust hole is communicated with the inner cavity of the bullet pushing cylinder, and the exhaust plug is in threaded connection with the exhaust hole.

Further, the utility model also comprises a rear support rod, a front shoulder plate and a rear shoulder plate; the back supporting rod is a columnar rod piece, one end of the back supporting rod is fixedly connected to the vertical edge of the holding handle, the other end of the back supporting rod is fixedly provided with a front shoulder plate and a back shoulder plate, the front shoulder plate and the back shoulder plate are arranged at intervals, the front shoulder plate is provided with a curved surface matched with the front side surface of the shoulder of the human body, and the back shoulder plate is provided with a curved surface matched with the back side surface of the shoulder of the human body; the central line of the rear supporting rod is parallel to the axis of the cartridge.

Furthermore, the link mechanism comprises a first push rod and a second push rod, one end of the first push rod is connected with the switch valve, the other end of the first push rod is hinged with one end of the second push rod, and the other end of the second push rod is fixed at the upper end of the trigger plate.

Furthermore, the clamping device also comprises a clamping piece and a clamping spring; the joint spare is the hemisphere, and the hemisphere bottom surface of joint spare and the one end fixed connection of joint spring, the other end of joint spring are fixed on the inner wall that the cartridge magazine is close to and pushes away bullet cylinder one end, and the fire extinguishing bomb is provided with inside sunken hemisphere joint groove on being close to the lateral wall of its bottom one end, and joint spare joint is at the joint inslot.

Further, the device also comprises an air inlet pipe and a one-way valve; the air inlet pipe is arranged on the high-pressure air cylinder, the air inlet pipe is communicated with an inner cavity of the high-pressure air cylinder, and the air inlet pipe is provided with a one-way valve.

Furthermore, the device also comprises a sighting telescope which is fixed on the outer side wall of the ejection cylinder.

Furthermore, the fire extinguishing bomb is cylindrical, a closed cylindrical cavity, a closed first annular cavity and a closed second annular cavity are formed in the fire extinguishing bomb, the cylindrical cavity is located in the center of the fire extinguishing bomb, the first annular cavity is sleeved on the outer peripheral side of the cylindrical cavity, the second annular cavity is sleeved on the outer peripheral side of the first annular cavity, dry powder fire extinguishing agents are filled in the cylindrical cavity, gunpowder is filled in the first annular cavity, and smoke fire extinguishing agents are filled in the second annular cavity; the top of the first annular cavity is connected with a first filling pipe, the upper end of the first filling pipe is in threaded connection with a first plastic plug, a lead is arranged in the first plastic plug in a penetrating mode, one end of the lead extends into the first annular cavity to be in contact with gunpowder, and the other end of the lead penetrates out of the first annular cavity; the top of the cylindrical cavity is connected with a second filling pipe, and the upper end of the second filling pipe is in threaded connection with a second plastic plug; the top of the second annular cavity is connected with a third filling pipe, and the upper end of the third filling pipe is in threaded connection with a third plastic plug.

Further, the device also comprises a conical head, a plurality of crushing rib plates, a plurality of first supporting rods and a plurality of second supporting rods; the conical head is provided with a circular truncated cone-shaped accommodating cavity, the opening end of the conical head is inserted into the upper end of the fire extinguishing bomb, and the lead, the first plastic plug, the second plastic plug and the third plastic plug are all positioned in the circular truncated cone-shaped accommodating cavity; the plurality of crushing rib plates are uniformly arranged on the conical surface of the conical head in an array mode, and extend along the generatrix of the conical surface respectively; a plurality of first supporting rods are connected between the outer side wall of the cylindrical cavity and the inner side wall of the first annular cavity, and a plurality of second supporting rods are connected between the outer side wall of the first annular cavity and the inner side wall of the second annular cavity.

The utility model has the advantages of as follows:

1. through the utility model discloses, realized shoulder antitype transmission fire extinguishing bomb for people can launch the conflagration floor with the fire extinguishing bomb in downstairs shortest time, and fire extinguishing bomb permeable glass enters into the conflagration scene, and during the use, people are far away from the burning things which may cause a fire disaster, to the injury of human body when avoiding the explosion of fire extinguishing bomb.

2. Shoulder anti-emission fire extinguishing device convenient to carry has improved the rapidity of fire control, but device repeatedly usable can realize quick replacement fire extinguishing bomb, has improved fire extinguishing efficiency.

3. The fire extinguishing bomb is detonated by gunpowder in the fire extinguishing bomb, so that the smoke fire extinguishing agent and the dry powder fire extinguishing agent can extinguish surrounding fire sources together, the fire extinguishing effect is good, the smoke fire extinguishing agent and the dry powder fire extinguishing agent are diffused outwards by the impact force generated by ignition and explosion of the gunpowder, the smoke fire extinguishing agent can quickly consume oxygen in fire, the fire extinguishing range is effectively expanded, and the application range is wide.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a sectional view of an internal structure of a shoulder fire-fighting device according to some embodiments of the present invention.

Fig. 2 is a structural view of the shoulder fire-fighting device according to some embodiments of the present invention.

Fig. 3 is a cross-sectional view of an internal structure of a shoulder fire-fighting device according to another embodiment of the present invention.

Fig. 4 is a partial structural view of a shoulder fire-fighting device according to another embodiment of the present invention.

Fig. 5 is a partial structural view of a shoulder fire-fighting device according to still other embodiments of the present invention.

Fig. 6 is a schematic diagram of a fire extinguishing bomb of a shoulder fire-fighting device according to still other embodiments of the present invention.

Fig. 7 is an internal structure view of a fire extinguishing bomb of a shoulder fire-fighting device according to still other embodiments of the present invention.

Fig. 8 is a schematic diagram of a fire extinguishing bomb of a shoulder fire-fighting device according to still some embodiments of the present invention.

Fig. 9 is a top view of a shoulder fire fighting unit of the type provided in fig. 8.

Fig. 10 is a top sectional view of the shoulder fire fighting unit of fig. 8.

In the figure: 1. a cartridge, 2, a fire extinguishing bomb, 3, a clamping piece, 4, a bomb pushing plate, 5, a cylinder push rod, 6, a bomb pushing cylinder, 7, a first push rod, 8, a trigger plate, 9, a holding handle, 10, a torsion spring, 11, a second push rod, 12, a rear support rod, 13, a front shoulder plate, 14, a rear shoulder plate, 15, a high-pressure gas cylinder, 16, a switch valve, 17, a cylinder piston, 18, a sighting telescope, 19, a cylinder spring, 20, the fire extinguishing device comprises an exhaust hole, 21, an exhaust plug, 22, an air inlet pipe, 23, a one-way valve, 24, a clamping spring, 25, a conical head, 26, a crushing rib plate, 27, a clamping groove, 28, a smoke fire extinguishing agent, 29, gunpowder, 30, a dry powder fire extinguishing agent, 31, a first filling pipe, 32, a first plastic plug, 33, a lead, 34, a second plastic plug, 35, a second filling pipe, 36, a third filling pipe, 37, a third plastic plug, 38, a second support rod, 39 and a first support rod.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

As shown in fig. 1 and 2, the shoulder fire-fighting fire extinguishing apparatus of the present embodiment includes a high-pressure gas cylinder 15, a switch valve 16, a projectile pushing cylinder 6, a cartridge 1, a fire extinguishing projectile 2, a holding handle 9, a link mechanism, a trigger plate 8 and a torsion spring 10; the rear end of the cylinder body of the bullet pushing cylinder 6 is detachably connected with a high-pressure air cylinder 15, compressed air is filled in the high-pressure air cylinder 15, an air outlet of the high-pressure air cylinder 15 is connected to the bullet pushing cylinder 6 in a sealing mode through threaded connection, the high-pressure air cylinder 15 is communicated with the inner cavity of the bullet pushing cylinder 6, a gas pipeline is arranged on the cylinder body of the bullet pushing cylinder 6 and is communicated with the high-pressure air cylinder 15, a switch valve 16 is arranged on a pipeline communicated between the high-pressure air cylinder 15 and the inner cavity of the bullet pushing cylinder 6, the switch valve 16 is a mechanical switch valve 16 such as a ball valve type switch valve 16, a holding handle 9 is vertically fixed on the cylinder body of the bullet pushing cylinder 6 through bolt connection, a trigger plate 8 is elastically and rotatably connected to the holding handle 9 through a torsion spring 10, one end of the torsion spring 10 is clamped on the trigger plate 8, the other end of the torsion spring 10 is clamped, the trigger plate 8 can swing under the action of the torsion spring 10, and when the trigger plate 8 is pressed, the switch valve 16 is driven to act through the link mechanism to realize the opening and closing of the trigger plate; the inside cavity of the bomb pushing cylinder 6 is provided with a pushing mechanism, the front end of the bomb pushing cylinder 6 is fixedly connected with a bomb barrel 1, the bomb barrel 1 is connected with the bomb pushing cylinder 6 through a bolt, a fire extinguishing bomb 2 is clamped in the bomb barrel 1, the clamping mode is in a pop-up clamping mode, namely, the fire extinguishing bomb 2 is clamped in the bomb barrel 1 when the pushing mechanism does not act, the clamping device retracts when the pushing mechanism acts, the fire extinguishing bomb 2 can be popped out under the action of strong thrust, one end of the pushing mechanism stretches into the bomb barrel 1 and abuts against the bottom of the fire extinguishing bomb 2, and oxygen-burning agent and dry powder fire extinguishing agent 30 or fire extinguishing bomb 2 of any fire extinguishing agent can be placed in the fire extinguishing bomb 2 of the embodiment.

The using method of the embodiment comprises the following steps: pushing the fire extinguishing bomb 2 into the bomb tube 1, and temporarily clamping the fire extinguishing bomb 2 in the bomb tube 1 through a clamping piece 3 capable of being popped up; aligning the cartridge 1 to a fire point, holding the holding handle 9 by hands and pressing the trigger plate 8 on the holding handle inwards, wherein the trigger plate 8 drives the switch valve 16 to be opened through the link mechanism, high-pressure gas in the high-pressure gas cylinder 15 enters the cartridge pushing cylinder 6, and the pushing mechanism in the cartridge pushing cylinder 6 rapidly moves forwards under the action of air pressure to rapidly pop up the fire extinguishing cartridge 2; after the fire extinguishing bomb 2 is popped up, the trigger plate 8 on the holding handle 9 is released, and the switch valve 16 is closed under the action of the torsion spring 10.

The technical effect that this embodiment reaches does: the fire extinguishing bomb 2 is launched in a shoulder-resistance mode, so that people can launch the fire extinguishing bomb 2 to a fire floor within the shortest time downstairs, the fire extinguishing bomb 2 can penetrate through glass to enter a fire scene, and when the fire extinguishing bomb is used, people are far away from a fire source, so that the fire extinguishing bomb 2 is prevented from damaging human bodies when exploding; shoulder anti-emission fire extinguishing device convenient to carry has improved the rapidity of fire control, but device repeatedly usable can realize quick replacement fire extinguishing bomb 2, has improved fire extinguishing efficiency.

Example 2

As shown in fig. 1, the shoulder fire-fighting fire extinguishing device in the present embodiment includes all the technical features of embodiment 1, and in addition, the pushing mechanism includes a pushing spring plate 4, a cylinder push rod 5 and a cylinder piston 17; cylinder piston 17 sliding connection is in pushing away the inside cavity of bullet cylinder 6, the mode fixed connection that the one end of cylinder push rod 5 and cylinder piston 17 accessible seam are connected, the other end of cylinder push rod 5 is worn out the inside cavity that pushes away bullet cylinder 6 and is pushed away the diving board 4 through bolted connection's mode fixedly connected with, it is the plectane to push away diving board 4, its diameter is less than the diameter of the bullet 2 of putting out a fire, the diameter that pushes away diving board 4 is less than the interval when the latch device of a plurality of joints bullet 2 of putting out a fire stretches out, push away the bottom of 4 butt of diving board at the bullet 2 of putting out a fire.

In a particular embodiment, as shown in fig. 1 or 3, a rear strut 12, a front shoulder plate 13 and a rear shoulder plate 14; the rear support rod 12 is a columnar rod, such as a cylindrical steel pipe or a rectangular steel pipe, one end of the rear support rod 12 is fixedly connected to the vertical edge of the holding handle 9 through bolt connection, a front shoulder plate 13 and a rear shoulder plate 14 are fixed at the other end of the rear support rod 12, the front shoulder plate 13 and the rear shoulder plate 14 are arranged at intervals, a curved surface matched with the front side surface of the human shoulder is formed on the front shoulder plate 13, a curved surface matched with the rear side surface of the human shoulder is formed on the rear shoulder plate 14, the curved surface on the front shoulder plate 13 is opposite to the curved surface on the rear shoulder plate 14, the front shoulder plate 13 and the rear shoulder plate 14 are simultaneously clamped on the human shoulder, and buffer layers made of elastic materials, such as elastic sponge, elastic rubber and the like, are covered on the front shoulder plate 13 and the rear shoulder plate 14; the centre line of the rear strut 12 is parallel to the axis of the barrel 1.

In a specific embodiment, as shown in fig. 1 and 5, the link mechanism includes a first push rod 7 and a second push rod 11, both the first push rod 7 and the second push rod 11 may be elongated plates, one end of the first push rod 7 is connected to the on-off valve 16, the other end of the first push rod 7 is hinged to one end of the second push rod 11, and the other end of the second push rod 11 is fixed to the upper end of the trigger plate 8 by means of a bolt or a welding.

In a specific embodiment, as shown in fig. 4, the clamping device further comprises a clamping piece 3 and a clamping spring 24; joint 3 is the hemisphere, the hemisphere bottom surface of joint 3 and the one end fixed connection of joint spring 24, the other end of joint spring 24 is fixed on the inner wall that bullet section of thick bamboo 1 is close to and pushes away bullet cylinder 6 one end, set up heavy slotted hole on the inside wall of bullet section of thick bamboo 1, joint spring 24 sets up in heavy slotted hole, the hemisphere face of joint 3 exposes the inside wall face of bullet section of thick bamboo 1, as shown in fig. 6, be provided with inside sunken hemisphere joint groove 27 on the lateral wall that fire extinguishing bomb 2 is close to its bottom one end, joint 3 joint is in joint groove 27, joint 3 can leave joint groove 27 when fire extinguishing bomb 2 is released under joint spring 24's effect.

The beneficial effects in this embodiment are: the rear support rod 12, the front shoulder plate 13 and the rear shoulder plate 14 are arranged, so that the use of a user is facilitated, and the injury of the recoil of the fire extinguishing bomb 2 to the human body is reduced; by arranging the clamping piece 3 and the clamping spring 24, the fire extinguishing bomb 2 cannot slide from the bomb tube 1 when not in use, and the situation that the fire extinguishing bomb 2 cannot be discharged due to fixed clamping when in use is avoided; the device is simple in structure, good in mobility and stable in safety performance.

Example 3

As shown in fig. 3, the shoulder fire-fighting fire extinguishing device of the present embodiment includes all the technical features of embodiment 2, and in addition, includes a cylinder spring 19, an exhaust hole 20, and an exhaust plug 21; the cylinder spring 19 is sleeved on the outer peripheral side of the cylinder push rod 5, and one end of the cylinder spring 19 can be fixed on the front bottom surface of the inner cavity of the ejection cylinder 6 through welding; the exhaust hole 20 is arranged on the side wall of the bullet pushing cylinder 6, the exhaust hole 20 is communicated with the inner cavity of the bullet pushing cylinder 6, and the exhaust plug 21 is in threaded connection with the exhaust hole 20; also comprises an air inlet pipe 22 and a one-way valve 23; the air inlet pipe 22 is arranged on the high-pressure air cylinder 15, the air inlet pipe 22 is communicated with the inner cavity of the high-pressure air cylinder 15, the air inlet pipe 22 is provided with a one-way valve 23, and the air inlet direction is towards the inside of the high-pressure air; the gun bullet device further comprises a sighting telescope 18, the sighting telescope 18 is of a structure of a sighting telescope 18 mature on an existing gun, and the sighting telescope 18 is fixed on the outer side wall of the bullet pushing cylinder 6.

The beneficial effects in this embodiment are: through setting up cylinder spring 19, the huge rigid impact sound of bullet cylinder 6 that pushes away that produces when having reduced the transmission has reduced the possibility that bullet cylinder 6 damaged, through setting up exhaust hole 20 and core vent 21, can in time discharge the compressed air in the cylinder, has realized resetting of cylinder push rod 5 and cylinder piston 17, has improved the reuse rate of device.

Example 4

As shown in fig. 7, 8 and 9, the shoulder fire-fighting fire extinguishing device of the embodiment includes all the technical features of embodiment 3, in addition, the fire-extinguishing bomb 2 is cylindrical, the shell of the fire-extinguishing bomb 2 is made of plastic, the fire-extinguishing bomb 2 is internally provided with a closed cylindrical cavity, a closed first annular cavity and a closed second annular cavity, the cylindrical cavity is located at the center of the fire-extinguishing bomb 2, the first annular cavity is sleeved on the outer peripheral side of the cylindrical cavity, the second annular cavity is sleeved on the outer peripheral side of the first annular cavity, the cylindrical cavity is filled with the dry powder fire-extinguishing agent 30, the first annular cavity is filled with the gunpowder 29, and the second annular cavity is filled with the smoke fire-extinguishing agent 28; the top of the first annular cavity is connected with a first filling pipe 31, the upper end of the first filling pipe 31 is in threaded connection with a first plastic plug 32, a lead 33 penetrates through the first plastic plug 32, one end of the lead 33 extends into the first annular cavity to be contacted with gunpowder 29, and the other end of the lead 33 penetrates out of the first annular cavity; the top of the cylindrical cavity is connected with a second filling pipe 35, and the upper end of the second filling pipe 35 is in threaded connection with a second plastic plug 34; the top of the second annular cavity is connected with a third filling pipe 36, and the upper end of the third filling pipe 36 is in threaded connection with a third plastic plug 37.

In a specific embodiment, as shown in fig. 10, the device further comprises a conical head 25, a plurality of crushing rib plates 26, a plurality of first support rods 39 and a plurality of second support rods 38; the conical head 25 is provided with a circular truncated cone-shaped accommodating cavity, the open end of the conical head 25 is inserted into the upper end of the fire extinguishing bomb 2, the lead 33, the first plastic plug 32, the second plastic plug 34 and the third plastic plug 37 are all positioned in the circular truncated cone-shaped accommodating cavity, when the fire extinguishing bomb is launched to a firing position, the conical head 25 is separated from the fire extinguishing bomb 2, the lead 33 is exposed, the lead 33 is ignited by fire, and the gunpowder 29 is detonated, so that the diffusion of the dry powder extinguishing agent 30 and the smoke extinguishing agent 28 in the cylindrical cavity and the second annular cavity is realized; the plurality of crushing rib plates 26 are uniformly arranged on the conical surface of the conical head 25 in an array manner, a plurality of saw teeth can be further arranged on the plurality of crushing rib plates 26, so that the fired building can be conveniently crushed, and the plurality of crushing rib plates 26 respectively extend along the generatrix of the conical surface; a plurality of first support rods 39 are connected between the outer side wall of the cylindrical cavity and the inner side wall of the first annular cavity, and a plurality of second support rods 38 are connected between the outer side wall of the first annular cavity and the inner side wall of the second annular cavity.

In this embodiment, the dry powder extinguishing agent 30 is a dry, easily flowable fine solid powder, and is divided into a common dry powder extinguishing agent 30 and a multipurpose dry powder extinguishing agent 30 according to the purpose; the fire extinguishing effect is mainly chemical inhibition, and the biggest weakness is poor re-ignition resistance, wherein, the common dry powder extinguishing agent 30. The fire extinguishing agent is also called BC dry powder, which comprises sodium bicarbonate dry powder, potassium chloride dry powder, potassium sulfate dry powder, amino dry powder and the like, and is suitable for extinguishing B-type, C-type and charged fire; the multipurpose dry powder extinguishing agent 30 is also called ABC dry powder extinguishing agent 30, mainly uses dry powder with ammonium phosphate as a base material, and is suitable for extinguishing A-type, B-type, C-type and charged fire.

In the embodiment, the smoke fire extinguishing agent 28 is a new fire extinguishing agent developed on the basis of the fuming powder 29. The smoke suppressant 28 is a solid mixture in the form of a dark grey powder which, after burning, has the characteristic smell of black powder 29. It is composed of an oxidant, a reducing agent, a combustion speed control agent and the like; it can maintain combustion in a closed system without external supply of oxygen; it can only be filled in a special smoke generator, and is specially used for extinguishing fire of flammable liquid vault oil tank. The fire extinguishing effect is mainly suffocation and chemical inhibition, and has a certain covering effect.

The beneficial effects in this embodiment are: the fire extinguishing bomb 2 is detonated by the gunpowder 29 in the fire extinguishing bomb 2, so that the smoke fire extinguishing agent 28 and the dry powder fire extinguishing agent 30 jointly extinguish surrounding fire sources, the fire extinguishing effect is good, the smoke fire extinguishing agent 28 and the dry powder fire extinguishing agent 30 are diffused outwards by the impact force generated by ignition and explosion of the gunpowder 29, the smoke fire extinguishing agent 28 can quickly consume oxygen in fire, the fire extinguishing range is effectively expanded, and the application range is wide; the strength of the shell of the fire extinguishing bomb 2 is improved by the arrangement of the first and

second support rods

39 and 38, so that the explosion is spread more uniformly.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also considered to be the scope of the present invention without substantial changes in the technical content.

Claims

1. A shoulder fire-fighting fire extinguishing device with fire-fighting function is characterized by comprising a high-pressure air cylinder (15), a switch valve (16), an ejector cylinder (6), a cartridge (1), a fire extinguishing bomb (2), a holding handle (9), a link mechanism, a trigger plate (8) and a torsion spring (10); the rear end of the cylinder body of the bullet pushing cylinder (6) is detachably connected with a high-pressure air cylinder (15), the high-pressure air cylinder (15) is communicated with the inner cavity of the bullet pushing cylinder (6), a pipeline communicated between the high-pressure air cylinder (15) and the inner cavity of the bullet pushing cylinder (6) is provided with the switch valve (16), the holding handle (9) is vertically fixed on the cylinder body of the bullet pushing cylinder (6), the trigger plate (8) is elastically and rotatably connected to the holding handle (9) through the torsion spring (10), and the upper end of the trigger plate (8) is connected with the switch valve (16) through the connecting rod mechanism; the fire extinguishing bomb is characterized in that a pushing mechanism is arranged in an inner cavity of the bomb pushing cylinder (6), the front end of the bomb pushing cylinder (6) is fixedly connected with the bomb tube (1), the fire extinguishing bomb (2) is clamped in the bomb tube (1), and one end of the pushing mechanism stretches into the bomb tube (1) and abuts against the bottom of the fire extinguishing bomb (2).

2. A shoulder fire fighting unit as defined in claim 1, wherein the ejector mechanism comprises a pusher plate (4), a cylinder rod (5) and a cylinder piston (17); cylinder piston (17) sliding connection be in push away in the inside cavity of bullet cylinder (6), the one end of cylinder push rod (5) with cylinder piston (17) fixed connection, the other end of cylinder push rod (5) is worn out push away inside cavity and the fixed connection of bullet cylinder (6) push away diving board (4), it is in to push away diving board (4) butt the bottom of fire extinguishing bomb (2).

3. A shoulder fire fighting unit as defined in claim 2, further comprising a cylinder spring (19), a vent hole (20) and a vent plug (21); the cylinder spring (19) is sleeved on the outer peripheral side of the cylinder push rod (5), and one end of the cylinder spring (19) is fixed on the front bottom surface of the inner cavity of the bullet pushing cylinder (6); the exhaust hole (20) is formed in the side wall of the bullet pushing cylinder (6), the exhaust hole (20) is communicated with the inner cavity of the bullet pushing cylinder (6), and the exhaust plug (21) is in threaded connection with the exhaust hole (20).

4. A shoulder fire fighting unit as defined in claim 1, further comprising a rear stay (12), a front shoulder plate (13) and a rear shoulder plate (14); the rear supporting rod (12) is a columnar rod piece, one end of the rear supporting rod (12) is fixedly connected to the vertical edge of the holding handle (9), the other end of the rear supporting rod (12) is fixedly provided with the front shoulder plate (13) and the rear shoulder plate (14), the front shoulder plate (13) and the rear shoulder plate (14) are arranged at intervals, the front shoulder plate (13) is provided with a curved surface matched with the front side surface of the shoulder of a human body, and the rear shoulder plate (14) is provided with a curved surface matched with the rear side surface of the shoulder of the human body; the central line of the rear supporting rod (12) is parallel to the axis of the cartridge (1).

5. A shoulder fire fighting unit as defined in claim 1, wherein the linkage mechanism comprises a first push rod (7) and a second push rod (11), one end of the first push rod (7) is connected to the switch valve (16), the other end of the first push rod (7) is hinged to one end of the second push rod (11), and the other end of the second push rod (11) is fixed to the upper end of the trigger plate (8).

6. A shoulder fire fighting unit as defined in claim 1, further comprising a latch member (3) and a latch spring (24); joint spare (3) are the hemisphere, the hemisphere bottom surface of joint spare (3) with the one end fixed connection of joint spring (24), the other end of joint spring (24) is fixed barrel (1) is close to push away on the inner wall of bullet cylinder (6) one end, fire extinguishing bomb (2) are provided with inside sunken hemisphere joint groove (27) on being close to the lateral wall of its bottom one end, joint spare (3) joint is in joint groove (27).

7. A shoulder fire fighting unit as defined in claim 1, further comprising an air inlet pipe (22) and a check valve (23); the air inlet pipe (22) is arranged on the high-pressure air cylinder (15), the air inlet pipe (22) is communicated with an inner cavity of the high-pressure air cylinder (15), and the air inlet pipe (22) is provided with the one-way valve (23).

8. A shoulder fire fighting unit as defined in claim 1, further comprising a sighting telescope (18), the sighting telescope (18) being fixed to the outer side wall of the projectile cylinder (6).

9. The fire-extinguishing device with shoulder fire resistance and emission function as recited in claim 1, characterized in that the fire-extinguishing bomb (2) is cylindrical, the fire-extinguishing bomb (2) is internally provided with a closed cylindrical cavity, a closed first annular cavity and a closed second annular cavity, the cylindrical cavity is located at the center of the fire-extinguishing bomb (2), the first annular cavity is sleeved on the outer peripheral side of the cylindrical cavity, the second annular cavity is sleeved on the outer peripheral side of the first annular cavity, the cylindrical cavity is filled with dry powder fire-extinguishing agent (30), the first annular cavity is filled with powder (29), and the second annular cavity is filled with smoke fire-extinguishing agent (28); the top of the first annular cavity is connected with a first filling pipe (31), the upper end of the first filling pipe (31) is in threaded connection with a first plastic plug (32), a lead (33) penetrates through the first plastic plug (32), one end of the lead (33) extends into the first annular cavity to be in contact with gunpowder (29), and the other end of the lead (33) penetrates out of the first annular cavity; the top of the cylindrical cavity is connected with a second filling pipe (35), and the upper end of the second filling pipe (35) is in threaded connection with a second plastic plug (34); the top of the second annular cavity is connected with a third filling pipe (36), and the upper end of the third filling pipe (36) is in threaded connection with a third plastic plug (37).

10. A shoulder fire fighting unit according to claim 9, further comprising a cone head (25), a plurality of crush ribs (26), a plurality of first support rods (39) and a plurality of second support rods (38); the conical head (25) is provided with a round-truncated-cone-shaped accommodating cavity, the open end of the conical head (25) is inserted into the upper end of the fire extinguishing bomb (2), and the lead (33), the first plastic plug (32), the second plastic plug (34) and the third plastic plug (37) are all located in the round-truncated-cone-shaped accommodating cavity; the plurality of crushing rib plates (26) are uniformly arranged on the conical surface of the conical head (25) in an array mode, and the plurality of crushing rib plates (26) extend along the generatrix of the conical surface respectively; a plurality of first supporting rods (39) are connected between the outer side wall of the cylindrical cavity and the inner side wall of the first annular cavity, and a plurality of second supporting rods (38) are connected between the outer side wall of the first annular cavity and the inner side wall of the second annular cavity.