CN116212283A - A multi-lobed remote magnetron fire extinguishing bomb that can be filled with multiple fire extinguishing agents - Google Patents

Abstract

The invention discloses a multi-petal type remote magnetic control fire extinguishing bomb filled with a plurality of fire extinguishing agents, which belongs to the technical field of fire control, wherein the on-off between an electromagnet and a power supply is remotely controlled through a remote control switch; the bullet is made of aluminum, the aluminum skin is arranged on the surface layer of the bullet body, and the reinforcing ribs are arranged inside the bullet body, so that the situation that the bullet or the bullet body is broken due to the falling to the ground of the fire extinguishing bullet is effectively avoided, and the aim of recycling can be achieved due to the fact that the electromagnet and the power supply can be recycled.

Description

A multi-lobed remote magnetron fire extinguishing bomb that can be filled with multiple fire extinguishing agents

technical field

The invention belongs to the technical field of fire protection, and in particular relates to a multi-lobed remote magnetically controlled fire extinguishing bomb which can be filled with multiple fire extinguishing agents.

Background technique

Launched fire extinguishing bombs usually cooperate with fire extinguishing cannons for long-distance fire extinguishing or cooperate with heavy-duty drones for long-distance fire extinguishing. The fire extinguishing bombs are filled with fire extinguishing agents. Let the fire extinguishing agent spread down, and the fire extinguishing agent covers the solid combustion object to form an isolation layer that hinders combustion, and at the same time, incombustible gas is precipitated, reducing the oxygen concentration in the air, and the flame is extinguished. At present, most of the fire extinguishing agents on the market use solid fire extinguishing agents such as ultra-fine dry powder fire extinguishing agents, and there are few fire extinguishing bombs that can hold fire extinguishing agents in other states. , Fire extinguishing bombs are often disposable, so the cost of using fire extinguishing bombs to extinguish a fire is relatively high. Based on the above situation, a fire extinguishing bomb that can be filled with multiple fire extinguishing agents and can be used multiple times is developed.

Contents of the invention

The object of the present invention is to provide a multi-lobed remote magnetron fire extinguishing bomb that can be filled with multiple fire extinguishing agents, so as to solve the above-mentioned problems in the prior art.

In order to achieve the above object, the present invention provides a multi-lobe type remote magnetic control fire extinguishing bomb that can be filled with multiple fire extinguishing agents, including a warhead, a bomb body, a bomb bottom and an empennage that are arranged in sequence, and the inside of the bomb body is provided with a body bomb Opening device; the body is made up of several split body bodies, and several hinges are hingedly installed on the warhead, and the split body bodies are arranged in one-to-one correspondence with the hinges, and the top of the split body body It is detachably connected with the hinge; the body is provided with a central shaft, the top of the central shaft is detachably connected with the warhead, and the bottom end of the central shaft is detachably connected with the empennage; The body spring-off device is sleeved and installed on the central shaft, and several of the split bodies are in contact with the body spring-off device; the bottom of the bomb includes a sealing disc, a battery box and a chassis, and the chassis There is a groove at the top, and the battery box is set in the groove, and the bottom of the split body is slidably installed in the gap between the battery box and the chassis; the inside of the battery box is installed There is an electromagnet and a power supply, the power supply is used to supply power to the electromagnet, a remote control switch is connected in series between the electromagnet and the power supply, a permanent magnet is fixedly installed on the top of the chassis, and the battery box is connected to the power supply. The chassis is fixed by magnetic adsorption; the sealing plate is arranged on the top of the battery box, and both the sealing plate and the battery box are detachably arranged coaxially with the central axis.

Preferably, the bullet includes a bullet base, the inner middle part of the bullet base is fixedly connected with a threaded sleeve, the top end of the central shaft is screwed into the threaded sleeve, and the bottom of the threaded sleeve is fixed A round platform is connected, the bottom side wall of the round platform is provided with a first annular sealing groove, and a first sealing ring is installed in the first annular sealing groove, and the inner wall of the split body and the first sealing ring abutment; the outer wall of the warhead base is provided with an annular groove, and several of the hinges are arranged in the annular groove, and both sides of any one of the hinges are hingedly installed with a mounting plate, the The mounting plate is fixedly installed on the groove wall of the annular groove; several guard plates are fixedly installed on the bullet base, and the guard plates are arranged corresponding to the annular groove, and the guard plates are arranged on the corresponding between the two hinges.

Preferably, the empennage comprises an empennage shaft, an empennage base, a torsion spring and an empennage plate; the top end of the empennage shaft is detachably connected to the central shaft, and the bottom end of the empennage shaft is screwed on the empennage base In the middle part, the side wall of the empennage base is fixedly connected with several empennage plate mounts at equal intervals in the circumferential direction, and the ends of the several empennage plate mounts are fixedly connected with an optical axis on the same side, and the empennage plate passes through The optical axis is rotatably connected to the empennage plate mounting seat, the torsion spring is sleeved on the optical axis, and the two ends of the torsion spring are respectively fixedly connected to the empennage plate mounting seat and the empennage plate .

Preferably, the bottom end of the central shaft and the top end of the empennage shaft are fixedly provided with connectors, and the connectors are composed of a threaded section in the middle and polished rod sections at both ends; the connection between the central axis and the empennage shaft There is a connecting piece between them, the sealing disc is slidably sleeved on the connecting piece, the central shaft and the empennage shaft are screwed to the connecting piece through the connecting head, and the outer wall of the connecting piece A boss is fixedly arranged, and the top end of the sealing disc abuts against the bottom end of the boss.

Preferably, the spring body ejection device includes a spring sleeve, the spring sleeve is slidingly sleeved on the central shaft, the spring sleeve is a cross-shaped structure, and round A spring is arranged in the circular hole, and the spring abuts against the inner wall of the split body; the middle fixed sleeve of the central shaft is provided with a limit block, and the top of the spring sleeve is in contact with the limit block. The bottom end of the block abuts; the sliding sleeve on the central shaft is provided with a lock ring, the top end of the lock ring abuts against the bottom end of the spring sleeve, and the lock ring and the central shaft are fixed by locking screws .

Preferably, the battery box includes an upper battery box cover and a lower battery box cover, the lower battery box cover is slidably installed in the groove at the top of the chassis, and the upper battery box cover is detachably installed on the lower battery box The top of the box cover, the upper battery box cover and the lower battery box cover form an internal hollow accommodation groove, the electromagnet is arranged in the accommodation groove, and the bottom end of the sealing plate is connected to the upper battery box. The top of the box cover abuts; a stopper and a plastic plate are arranged in the receiving groove, the plastic plate is fixedly mounted on the lower battery box cover, and the bottom end of the plastic plate is in contact with the top end of the permanent magnet , the upper battery box cover, the stopper, the electromagnet, and the plastic plate are sequentially sleeved on the tail shaft from top to bottom, and the end of the tail shaft close to the connecting piece is fixedly sleeved There is a fixing block, and the fixing block is arranged between the plastic plate and the chassis, and the top end of the fixing block abuts against the bottom end of the plastic plate.

Preferably, the sealing disc has a disc-shaped structure, and a second annular sealing groove is provided on the inner side wall and the outer side wall of the sealing disc, and a second sealing ring, a second sealing ring, The third sealing ring, the second sealing ring abuts against the inner wall of the split body, and the third sealing ring abuts against the side wall of the connecting piece.

Preferably, the number of the split body is four, and the inner walls of the four split bodies are fixedly connected with reinforcing ribs along the vertical direction.

Preferably, both sides of the split body are provided with a connection structure, the connection structure is stepped, the connection structures of two adjacent split bodies are compatible, and the adjacent two split bodies A sealing strip is arranged between the bodies.

Compared with the prior art, the present invention has the following advantages and technical effects:

The multi-lobe remote magnetically controlled fire extinguishing bomb provided by the invention can be filled with multiple fire extinguishing agents, and the on-off between the electromagnet and the power supply can be remotely controlled through the remote control switch. When the electromagnet is not energized, the electromagnet shows no force , The permanent magnet relies on the magnetism to attract the electromagnet, which plays the role of fixing the chassis. When the electromagnet is energized, the two poles close to the electromagnet and the permanent magnet behave at the same level, and the two generate repulsive force, and then the chassis is ejected and split. After the missile body loses its restraint by the chassis, since the spring in the spring body ejection device contains a spring in a compressed state, under the action of the compressed spring, the split body is ejected, which can make the fire extinguishing agent more fully distributed; due to the electromagnetic The iron and power supply can be reused, so the fire extinguishing bomb can be used for many times; at the same time, the material of the bullet is aluminum, the surface of the bullet body is arranged with aluminum skin, and the inside of the bullet body is provided with reinforcing ribs, which effectively avoids the fire extinguishing bullet The purpose of reusability can be achieved by crashing the warhead or body on the ground.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings required in the embodiments. Obviously, the accompanying drawings in the following description are only some of the present invention. Embodiments, for those of ordinary skill in the art, other drawings can also be obtained based on these drawings without any creative effort.

Fig. 1 is the structural representation of multi-lobe type remote magnetron fire extinguishing bomb of the present invention;

Fig. 2 is a schematic diagram of the internal structure of the multi-lobed remote magnetron fire extinguishing bomb of the present invention;

Fig. 3 is the structural representation of warhead of the present invention;

Fig. 4 is the structural representation of missile body of the present invention;

Fig. 5 is the structural representation of the bottom of the bomb of the present invention;

Fig. 6 is the structural representation of empennage of the present invention;

Fig. 7 is a schematic structural view of the body ejection device of the present invention;

Fig. 8 is a diagram of the connection relationship between the split body and the sealing strip of the present invention;

Wherein, 1. warhead; 101. warhead base; 102. first sealing ring; 103. guard plate; 104. hinge; 105. threaded sleeve; 106. round table; 202, sealing strip; 203, central shaft; 204, connecting piece; 205, boss; 3, spring body pop-up device; 301, spring sleeve; 302, spring; 303, lock ring; 4, spring bottom; 401, upper Battery box cover; 402, chassis; 403, permanent magnet; 404, lower battery box cover; 405, block; 406, power supply; 407, electromagnet; 408, sealing disc; 409, the second sealing ring; 410, the third Sealing ring; 411, battery box; 412, plastic plate; 413, fixed block; 5, empennage; 501, empennage shaft; 502, empennage base; 503, torsion spring; 504, empennage plate; 505, empennage plate mount; 506. Optical axis.

Detailed ways

It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other. The described embodiments are only some, not all, embodiments of the present invention. All other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention. The present invention will be described in detail below with reference to the accompanying drawings and examples.

The present invention provides a multi-lobe remote magnetic control fire extinguishing bomb that can be filled with multiple fire extinguishing agents, comprising a warhead 1, a bomb body 2, a bomb bottom 4 and an empennage 5 arranged in sequence, and a body ejection device 3 is arranged inside the bomb body 2 ; Body 2 is made up of several split body 201, and several hinges 104 are hingedly installed on bullet 1, and split body 201 and hinge 104 are arranged in one-to-one correspondence, and the top of split body 201 and hinge 104 are detachable Connection; body 2 is provided with a central shaft 203, the top of the central shaft 203 is detachably connected to the warhead 1, and the bottom of the central shaft 203 is detachably connected to the empennage 5; the body ejection device 3 is sleeved and installed on the central shaft 203 On the top, several split bodies 201 are in contact with the body ejection device 3; the bottom 4 includes a sealing plate 408, a battery box 411 and a chassis 402, the top of the chassis 402 is provided with a groove, and the battery box 411 is arranged in the groove Inside, the bottom of split body 201 is slidably installed in the gap between battery box 411 and chassis 402; Electromagnet 407 and power supply 406 are installed in the inside of battery box 411, and power supply 406 is DC power supply 406, consists of multiple rechargeable The batteries are connected in series, the power supply 406 is used to supply power to the electromagnet 407, a remote control switch is connected in series between the electromagnet 407 and the power supply 406, the top of the chassis 402 is fixed with a permanent magnet 403 by glue, and the battery box 411 and the chassis 402 are fixed by magnetic adsorption; The sealing disc 408 is disposed on the top of the battery case 411 , and both the sealing disc 408 and the battery case 411 are detachably disposed coaxially with the central axis 203 .

The fire extinguishing agent of the present invention is filled inside the missile body 2, and the on-off between the electromagnet 407 and the power supply 406 can be remotely controlled by a remote control switch. When the electromagnet 407 is not energized, the electromagnet 407 shows no force, and the permanent magnet 403 Rely on the electromagnet 407 magnetically to fix the chassis 402. When the electromagnet 407 is energized, the two poles close to the electromagnet 407 and the permanent magnet 403 are at the same level, and the two generate repulsive force, and then the chassis 402 is ejected. After the split body 201 loses its restraint by the chassis 402, since the spring 302 in a compressed state is contained in the body ejection device 3, the split body 201 is bounced under the action of the compression spring 302, which can allow fire extinguishing The agent is distributed more fully; because the electromagnet 407 and the power supply 406 can be reused, the fire extinguishing bomb can be used repeatedly; at the same time, the material of the bullet 1 is aluminum, and the surface layer of the bullet body 2 is arranged with an aluminum skin. The inside of the bomb body 2 is provided with reinforcing ribs, which effectively prevents the fire extinguishing bomb from falling to the ground and damages the warhead 1 or the bomb body 2, and can achieve the purpose of reusability.

Further, the bullet 1 includes a bullet base 101, the inner middle part of the bullet base 101 is fixedly connected with a threaded sleeve 105, the top end of the central shaft 203 is screwed into the threaded sleeve 105, and the bottom of the threaded sleeve 105 is fixedly connected with a round table 106, the bottom side wall of the round table 106 is provided with a first annular sealing groove, and a first sealing ring 102 is installed in the first annular sealing groove, and the inner wall of the split body 201 abuts against the first sealing ring 102; the warhead base The outer wall of 101 is provided with an annular groove, and several hinges 104 are arranged in the annular groove, and both sides of any hinge 104 are hingedly installed with a mounting plate, and the mounting plate is fixedly installed on the groove wall of the annular groove; Several guard plates 103 are fixedly installed on the bullet base 101 , the guard plates 103 are arranged corresponding to the annular grooves, and the guard plates 103 are arranged between two adjacent hinges 104 .

The present invention is connected with hinge 104 by bullet base 101, and then restricts the locus of motion of split body 201, can realize the function of opening and retracting of split body 201, and the circular table 106 that is arranged at the bottom of bullet base 101, not only Play the function of sealing the bullet body 2 and the warhead 1, and also effectively improve the capacity of the fire extinguishing bomb, and make full use of the internal space of the fire extinguishing bomb; the setting of the guard plate 103 can block the annular groove, reducing the The flight resistance increased by the annular groove ensures the flight distance of the fire extinguishing bomb.

Further, empennage 5 comprises empennage shaft 501, empennage base 502, torsion spring 503 and empennage plate 504; In the middle, the side walls of the empennage base 502 are fixedly connected with several empennage plate mounts 505 at equal intervals in the circumferential direction, and the ends of the empennage plate mounts 505 are pentagonal. The optical axis 506, the empennage plate 504 is rotationally connected with the empennage plate mounting seat 505 through the optical axis 506, the torsion spring 503 is sleeved on the optical axis 506, and the two ends of the torsion spring 503 are respectively fixed with the empennage plate mounting seat 505 and the empennage plate 504 connect.

Through the setting of the torsion spring 503, the empennage 5 can be folded to achieve the smooth launch of the fire extinguishing bomb by the tube-mounted launcher with a diameter similar to that of the fire-extinguishing bomb; After the bomb is launched from the barrel-mounted launcher, the empennage 5 can be fully stretched out by the torsion spring 503. At the same time, through the setting of the empennage plate mounting seat 505, the empennage plate mounting seat 505 can serve as a fixed empennage 5. The empennage 5 and the folding empennage 5 are on the same plane, which fully ensures the flight stability of the fire extinguishing bomb.

Further, for the convenience of assembling the fire extinguishing bomb, a connector is fixedly arranged at the bottom of the central shaft 203 and the top of the empennage shaft 501, and the connector is composed of a threaded section in the middle and polished rod sections at both ends; A connecting piece 204 is arranged between the shafts 501, and the sealing disc 408 is slidably sleeved on the connecting piece 204. The central shaft 203 and the empennage shaft 501 are threadedly connected to the connecting piece 204 through a connecting head. The top of the platform 205 and the sealing disc 408 abut against the bottom of the boss 205 .

Further, in order to bounce off the split body 201 for convenience, the spring body ejection device 3 includes a spring sleeve 301, the spring sleeve 301 is slidably sleeved on the central shaft 203, the spring sleeve 301 is a cross-shaped structure, and the four sides of the spring sleeve 301 Each end face is provided with a circular hole, and a spring 302 is arranged in the circular hole, and the spring 302 abuts against the inwall of the split body 201; The bottom end of the block abuts; the sliding sleeve on the central shaft 203 is provided with a locking ring 303, and the top of the locking ring 303 abuts against the bottom end of the spring sleeve 301, and the locking ring 303 and the central shaft 203 are fixed by locking screws.

Further, for the convenience of removing the constraint of the chassis 402 on the split body 201, so that the split body 201 is opened under the action of the body ejection device 3, the battery box 411 includes an upper battery box cover 401 and a lower battery box cover 404 , the lower battery case cover 404 is slidably installed in the groove at the top of the chassis 402, the upper battery case cover 401 is detachably installed on the top of the lower battery case cover 404, and the upper battery case cover 401 and the lower battery case cover 404 are enclosed to form an internal hollow container groove, the electromagnet 407 is arranged in the holding groove, the bottom end of the sealing disc 408 abuts against the top of the upper battery box cover 401; a stopper 405 and a plastic plate 412 are arranged in the holding groove, and the plastic plate 412 is fixedly installed on the lower battery box cover 404, the bottom of the plastic plate 412 is in contact with the top of the permanent magnet 403, and the upper battery box cover 401, the block 405, the electromagnet 407, and the plastic plate 412 are sleeved on the tail shaft 501 from top to bottom, and the tail shaft 501 A fixed block 413 is provided on the fixed sleeve near the connecting member 204 . The fixed block 413 is disposed between the plastic plate 412 and the chassis 402 . The top end of the fixed block 413 abuts against the bottom end of the plastic plate 412 . The battery box 411 adopts a sealed design, so when carrying fire extinguishing agents in various states, the use of the battery box 411 will not be affected by the liquid fire extinguishing agent flowing into the battery box 411 .

Further, in order to ensure the sealing effect between the missile body 2 and the battery box 411, and to ensure that the liquid will not leak from the missile body 2 when the missile body 2 carries liquid fire extinguishing agent, the sealing disc 408 is a disc-shaped structure, and the sealing disc 408 A second annular seal groove is provided on the inner side wall and the outer side wall of the outer wall, and a second seal ring 409 and a third seal ring 410 are respectively installed in the two second annular seal grooves. The inner wall abuts, and the third sealing ring 410 abuts against the side wall of the connecting member 204 .

Further, in order to improve the intensity of the split body 201, avoiding the fire extinguishing bomb falling to the ground and damaging the body 2, the number of the split body 201 is four, and the inner walls of the four split body 201 are all fixed along the vertical direction. The connection has stiffeners.

Further, the hinge 104 is an inverted T-shaped structure, the bottom of the hinge 104 is an arc-shaped structure, and the bottom of the hinge 104 is provided with a stepped structure, and the split body 201 is fixed on the bottom of the hinge 104 by screws, and several hinges The outer diameter of the circle surrounded by 104 is consistent with the outer diameter of the body 2 .

Further, in order to improve the sealing effect between the split body 201, both sides of the split body 201 are provided with connecting structures, the connecting structure is stepped, and the connecting structures of the adjacent two split bodies 201 are compatible , a sealing strip 202 is provided between two adjacent body parts 201 .

In the multi-lobe remote magnetic control fire extinguishing bomb that can be filled with multiple fire extinguishing agents provided by the present invention, the battery box 411 is installed on the bottom 4 of the bomb, and an electromagnet 407 is installed inside the battery box 411. The electromagnet 407 and the permanent magnet 403 on the chassis 402 Across a plastic plate 412, the electromagnet 407 shows no force when it is not powered on. The permanent magnet 403 relies on the magnetism to attract the electromagnet 407 and plays the role of fixing the chassis 402. When the electromagnet 407 is powered on, the electromagnet 407 and the permanent magnet The two poles close to each other of the magnet 403 are at the same level, and the two generate repulsive force, and finally the chassis 402 is ejected. In addition, the spring sleeve 301 contains the spring 302 in a compressed state. After losing the restraint of the chassis 402 to the split body 201, The compression spring 302 in the spring cover 301 bounces the split body 201, and the fire extinguishing agent is sprinkled. Because the electromagnet 407 and the DC power supply 406 can be reused, the fire extinguishing bomb can be used repeatedly; The bottom of the round platform 106 and the side wall of the sealing disc 408 are installed with sealing rings and the sealing strip 202 is installed between the split body 201 to seal the body 2, and it can also ensure that the liquid will not leak from the body 2 when carrying liquid. Furthermore, it can be used to carry fire extinguishing agents in various states.

The above are only preferred specific implementation methods of the present application, but the scope of protection of the present application is not limited thereto. Anyone skilled in the art can easily think of changes or substitutions within the technical scope disclosed in the present application. All should be covered within the scope of protection of this application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims (9)

1. The multi-petal type remote magnetic control fire extinguishing bomb capable of being filled with multiple fire extinguishing agents is characterized by comprising a warhead (1), a warhead body (2), a warhead bottom (4) and a tail wing (5) which are sequentially arranged, wherein a warhead body flicking device (3) is arranged in the warhead body (2);

the bullet body (2) consists of a plurality of split bullet bodies (201), a plurality of hinges (104) are hinged on the bullet head (1), the split bullet bodies (201) are arranged in one-to-one correspondence with the hinges (104), and the top of the split bullet bodies (201) is detachably connected with the hinges (104); the inside of the bullet body (2) is provided with a central shaft (203), the top end of the central shaft (203) is detachably connected with the bullet head (1), and the bottom end of the central shaft (203) is detachably connected with the tail wing (5); the bullet body flicking device (3) is sleeved on the central shaft (203), and a plurality of split bullet bodies (201) are all abutted with the bullet body flicking device (3);

the bullet bottom (4) comprises a sealing disc (408), a battery box (411) and a chassis (402), a groove is formed in the top end of the chassis (402), the battery box (411) is arranged in the groove, and the bottom of the split bullet body (201) is slidably arranged in a gap between the battery box (411) and the chassis (402); an electromagnet (407) and a power supply (406) are arranged in the battery box (411), the power supply (406) is used for supplying power to the electromagnet (407), a remote control switch is connected in series between the electromagnet (407) and the power supply (406), a permanent magnet (403) is fixedly arranged at the top end of the chassis (402), and the battery box (411) and the chassis (402) are magnetically adsorbed and fixed; the sealing disc (408) is arranged at the top end of the battery box (411), and the sealing disc (408) and the battery box (411) are both coaxial and detachably arranged with the central shaft (203).

2. The multi-petal type remote magnetic control fire extinguishing bomb filled with the fire extinguishing agent according to claim 1, wherein the warhead (1) comprises a warhead base (101), a threaded sleeve (105) is fixedly connected to the middle part of the inner side of the warhead base (101), the top end of a central shaft (203) is in threaded connection with the threaded sleeve (105), a round table (106) is fixedly connected to the bottom of the threaded sleeve (105), a first annular sealing groove is formed in the side wall of the bottom of the round table (106), a first sealing ring (102) is installed in the first annular sealing groove, and the inner wall of a split warhead (201) is abutted to the first sealing ring (102); an annular groove is formed in the outer side wall of the warhead base (101), a plurality of hinges (104) are arranged in the annular groove, mounting plates are hinged to two sides of any hinge (104), and the mounting plates are fixedly mounted on the groove wall of the annular groove; a plurality of guard plates (103) are fixedly mounted on the warhead base (101), the guard plates (103) are correspondingly arranged with the annular grooves, and the guard plates (103) are arranged between two adjacent hinges (104).

3. The multi-lobed remotely controlled fire extinguishing agent fillable multi-extinguishing agent according to claim 1, wherein the tail (5) comprises a tail shaft (501), a tail base (502), a torsion spring (503) and a tail vane (504); the utility model discloses a rear wing structure, including rear wing shaft (501) and rear wing plate mount pad, rear wing shaft (501) and center pin (203) are dismantled and are connected, the bottom threaded connection of rear wing shaft (501) is in the middle part of rear wing base (502), along equidistant fixedly connected with a plurality of tail wing plate mount pad (505) in circumference on the lateral wall of rear wing base (502), a plurality of tail wing plate mount pad (505) terminal with one side fixedly connected with optical axis (506), tail wing plate (504) pass through optical axis (506) with tail wing plate mount pad (505) rotate and are connected, torsion spring (503) cover is established on optical axis (506), just torsion spring (503) both ends respectively with tail wing plate mount pad (505) tail wing plate (504) fixed connection.

4. The multi-petal type remote magnetic control fire extinguishing bomb filled with the fire extinguishing agent according to claim 3, wherein connectors are fixedly arranged at the bottom end of the central shaft (203) and the top end of the tail shaft (501), and each connector consists of a middle threaded section and polished rod sections at two ends; the novel tail wing sealing device is characterized in that a connecting piece (204) is arranged between the central shaft (203) and the tail wing shaft (501), the sealing disc (408) is sleeved on the connecting piece (204) in a sliding mode, the central shaft (203) and the tail wing shaft (501) are connected with the connecting piece (204) in a threaded mode through connectors, a boss (205) is fixedly arranged on the outer wall of the connecting piece (204), and the top end of the sealing disc (408) is abutted to the bottom end of the boss (205).

5. The multi-petal type remote magnetic control fire extinguishing bomb filled with the fire extinguishing agent according to claim 1, wherein the bomb body flicking device (3) comprises a spring sleeve (301), the spring sleeve (301) is sleeved on the central shaft (203) in a sliding mode, the spring sleeve (301) is of a cross-shaped structure, round holes are formed in four end faces of the spring sleeve (301), springs (302) are arranged in the round holes, and the springs (302) are abutted to the inner wall of the split bomb body (201); a limiting block is fixedly sleeved in the middle of the central shaft (203), and the top end of the spring sleeve (301) is abutted with the bottom end of the limiting block; the central shaft (203) is provided with a lock ring (303) in a sliding sleeve manner, the top end of the lock ring (303) is in butt joint with the bottom end of the spring sleeve (301), and the lock ring (303) and the central shaft (203) are fixed through locking screws.

6. The multi-petal type remote magnetic control fire extinguishing bomb filled with the fire extinguishing agent according to claim 4, wherein the battery box (411) comprises an upper battery box cover (401) and a lower battery box cover (404), the lower battery box cover (404) is slidably arranged in a groove at the top end of the chassis (402), the upper battery box cover (401) is detachably arranged at the top end of the lower battery box cover (404), the upper battery box cover (401) and the lower battery box cover (404) are surrounded to form a containing groove with a hollow inside, the electromagnet (407) is arranged in the containing groove, and the bottom end of the sealing disc (408) is abutted with the top end of the upper battery box cover (401); be provided with dog (405) and plastic slab (412) in the holding tank, plastic slab (412) fixed mounting is in on lower battery box cover (404), the bottom of plastic slab (412) with the top contact of permanent magnet (403), go up battery box cover (401) dog (405) electro-magnet (407) plastic slab (412) are established by last cover in proper order down on fin axle (501), fin axle (501) is close to the fixed cover of one end of connecting piece (204) is equipped with fixed block (413), fixed block (413) set up in plastic slab (412) with between chassis (402), the top of fixed block (413) with the bottom butt of plastic slab (412).

7. The multi-petal type remote magnetic control fire extinguishing bomb filled with the fire extinguishing agent according to claim 4, wherein the sealing disc (408) is of a disc-shaped structure, second annular sealing grooves are formed in the inner side wall and the outer side wall of the sealing disc (408), a second sealing ring (409) and a third sealing ring (410) are respectively arranged in the two second annular sealing grooves, the second sealing ring (409) is abutted to the inner wall of the split bomb body (201), and the third sealing ring (410) is abutted to the side wall of the connecting piece (204).

8. The multi-petal type remote magnetic control fire extinguishing bomb filled with the multi-fire extinguishing agent according to claim 5, wherein the number of the split shells (201) is four, and reinforcing ribs are fixedly connected to the inner walls of the four split shells (201) along the vertical direction.

9. The multi-petal type remote magnetic control fire extinguishing bomb filled with the multi-fire extinguishing agent according to claim 1, wherein connecting structures are arranged on two sides of the split bomb body (201), the connecting structures are in a ladder shape, the connecting structures of two adjacent split bomb bodies (201) are matched, and sealing strips (202) are arranged between the two adjacent split bomb bodies (201).

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