CN220206515U

CN220206515U - Gas storage bottle for rotary-firing firework, rotary-firing firework and firework rotary-firing device

Info

Publication number: CN220206515U
Application number: CN202321636086.8U
Authority: CN
Inventors: 王保华
Original assignee: Shandong Huaran Intelligent Technology Co ltd
Current assignee: Shandong Huaran Intelligent Technology Co ltd
Priority date: 2023-06-26
Filing date: 2023-06-26
Publication date: 2023-12-19
Anticipated expiration: 2033-06-26

Abstract

The utility model relates to a gas storage bottle for a rotary-firing firework and a rotary-firing firework device. In order to reduce the use cost, the gas storage bottle for the rotary-type firework comprises a gas bottle, a bottle plug, a pressing plate and a rotary sleeve, wherein a sleeve clamping part is arranged on the rotary sleeve, a bottle clamping part is arranged on the bottom of the gas bottle or on the side wall close to the bottom of the gas bottle, and positive and reverse torsion is respectively applied to the sleeve clamping part and the bottle clamping part, so that the rotary sleeve and the gas bottle can be driven to rotate relatively. The utility model discloses a rotary-firing firework, which comprises a cylinder body and a gas storage bottle, wherein a colored firework filler is arranged in the cylinder body, and is characterized in that: the gas storage bottle is the rotary-firing firework gas storage bottle, the lower end of the cylinder body is fixed on the rotary sleeve, and the sleeve clamping part of the rotary sleeve is exposed. The utility model also relates to a corresponding firework display rotary-firing device. The utility model can realize the mechanical rotary-firing of the firework under the drive of the motor, saves labor, has low cost, and is suitable for creating a fierce celebration atmosphere in wedding celebration, industrial celebration, various evening parties, singing parties, KTV and other occasions.

Description

Gas storage bottle for rotary-firing firework, rotary-firing firework and firework rotary-firing device

Technical Field

The utility model relates to a gas storage bottle for a rotary-firing firework and a rotary-firing firework device.

Background

In wedding celebration, industrial celebration, various evening, singing and KTV, in order to build a fierce celebration atmosphere, a plurality of confetti flowers are often required to be launched, and the confetti flowers become necessary consumables in the occasion at present. Most of the existing single firework is a manual rotary firework, and workers manually rotate to launch the firework in a large quantity, so that the workers often feel soreness in the wrists. For this reason, a number of combination electronic confetti flowers have been invented, as follows.

2019.10.25 Chinese patent publication No. CN 209541573U discloses an improved combined electronic firework, which comprises a box body, wherein a plurality of bottle sleeves are movably arranged on the inner wall of the bottom side of the box body, a plurality of pipe sleeves are fixedly arranged on the inner wall of the top side of the box body, and paper cylinders are movably arranged in the pipe sleeves.

2019.12.13 issued Chinese patent with publication number CN 209783416U discloses a combined remote control firework, which comprises a wireless remote controller, a controller and a plurality of firework emitting barrels; the controller is suitable for receiving remote control signals sent by the wireless remote controller so as to control the emission of each firework emitting barrel; the combined remote control firework can realize remote control emission of the firework (10-15 m) through the cooperation of the wireless remote controller and the controller.

The gas cylinders in the two patent technologies are resistance fusing emission type gas cylinders (comprising a rotary sleeve, a bottle plug and a gland), see CN2549422Y, the cost is close to 1.5 yuan/one, and the profit is slightly thin under the strong market competition. Whereas conventional rotary-shot gas cylinders, which also contain a swivel sleeve, stopper and gland, cost no more than 1.05 yuan/day.

In order to reduce the cost and increase the profit, the firework corporation is highly in need of a low-cost rotary-firing firework capable of being mechanically fired and a firing device thereof.

Disclosure of Invention

The technical problem to be solved by the utility model is how to overcome the defects in the prior art and provide a rotary-firing firework gas storage bottle, a rotary-firing firework and a firework rotary-firing device thereof.

For solving above-mentioned technical problem, this spin-emission protocol display gas bomb, including gas cylinder, bottle plug, clamp plate and swivel sleeve, the gas cylinder bottleneck is outer along even having two cardboard, and two cardboard are located the bottleneck both sides respectively, swivel sleeve main part is the cylinder to rotationally overlap on the gas cylinder, the bottle plug is stifled on the gas cylinder bottleneck, the clamp plate is pressed on the bottle plug, and open at the clamp plate center has the inflation hole, is equipped with decurrent varus edge on the clamp plate, and this varus edge can block on the cardboard of bottleneck both sides, clamp plate one end is fixed on swivel sleeve inside wall to can rotate along with the swivel sleeve, the gas cylinder inner envelope has compressed gas, its characterized in that: the rotary sleeve is provided with a sleeve clamping part, the bottle bottom of the gas bottle or the side wall close to the bottle bottom is provided with a bottle clamping part, and the sleeve clamping part and the bottle clamping part respectively apply positive and reverse torsion and can drive the rotary sleeve and the gas bottle to rotate relatively. By means of the design, the upper bottle clamping part and the bottle clamping part can be respectively fixed through the mechanical structure, mechanical rotary hair is realized under the drive of the motor, and the rotary hair gas bottle with low use cost can be driven to rotate by the motor, so that labor is saved, and the cost is low.

As optimization, the sleeve clamping part consists of 1 or 2 or 3 protruding blocks fixedly connected to the rotary sleeve, and the bottle clamping part consists of N protruding edges or grooves uniformly distributed on the outer circumference of the gas bottle, wherein N is a positive integer. The rib or the groove on the bottle body is formed by simple stamping before the bottle body is welded, the cost is limited, and the design is simple, and the processing is convenient.

As optimization, the sleeve clamping part consists of 1 or 2 or 3 protruding blocks fixedly connected to the rotary sleeve, and the bottle clamping part consists of protruding tables with regular polygon cross sections arranged at the bottom of the gas bottle.

The lug boss can be formed by simple stamping before the bottle body is welded, the cost is limited, and the lug boss is designed in such a way, and has a simple structure and is convenient to process.

As optimization, the sleeve clamping part consists of 1 or 2 or 3 protruding blocks fixedly connected to the rotary sleeve, and the bottle clamping part consists of a pit with a regular polygon cross section arranged at the bottom of the gas bottle.

The pit can be formed by simple stamping before the bottle body is welded, the cost is limited, and the pit is designed in such a way, and has a simple structure and convenient processing.

As optimization, the sleeve clamping part is composed of 1 or 2 or 3 protruding blocks fixedly connected to the rotary sleeve, and the bottle clamping part is composed of an oval outer circumference of the gas bottle.

The oval outer circumference of bottle accessible carries out simple extrusion to bottle lower part, and the cost increases limitedly, so design, simple structure, processing is convenient.

The utility model discloses a rotary-firing firework, which comprises a cylinder body and a gas storage bottle, wherein a colored firework filler is arranged in the cylinder body, and is characterized in that: the gas storage bottle is the rotary-firing firework gas storage bottle, the lower end of the cylinder body is fixed on the rotary sleeve, and the sleeve clamping part of the rotary sleeve is exposed. The design is convenient for the matched hair rotating device to mechanically transmit, and the hair rotating device can also manually rotate to transmit.

The utility model discloses a firework rotary-firing device which comprises a gun barrel, a stand and an electric trigger mechanism, and is characterized in that: the gun barrel is fixed on the stand, a through groove is formed in the inner wall of the gun barrel, a motor with a speed reducer is further fixed on the stand, an air bottle socket is directly or indirectly connected to an output shaft of the motor with the speed reducer, the air bottle socket is opposite to a tail end port of the gun barrel, a concave-convex structure corresponding to a bottle clamping part is arranged on the air bottle socket, the rotary firework can be placed in the gun barrel, a sleeve clamping part on the rotary sleeve of the rotary firework can be placed in the through groove on the inner wall of the gun barrel, the bottle clamping part on the air bottle is clamped in the concave-convex structure on the air bottle socket, the motor with the speed reducer is provided with a switch and a battery, the electric triggering mechanism is formed, the motor with the speed reducer is started, the air bottle socket drives the air bottle to rotate, and the rotary firework is triggered to emit. The rotary gas cylinder with low cost can be used, and the rotary gas cylinder can be driven to rotate by the motor, so that the labor is saved, and the cost is low.

As optimization, the cylinder socket is also provided with a permanent magnet which is mutually attracted with the cylinder bottom of the cylinder. After the rotary-shooting firework is inserted into the gun barrel, the permanent magnet adsorbs the bottle bottom of the gas storage bottle, so that when the gun barrel is prevented from sagging, the rotary-shooting firework of the utility model falls off from the gun barrel, and after being shot, the rotary-shooting firework can be pulled out from the gun barrel with little effort.

As optimization, still be equipped with buffer gear in the gas cylinder socket, this buffer gear includes buffering slider and elasticity buffering cushion, the buffering slider is established in the gas cylinder socket to can slide back and forth in the gas cylinder socket, elasticity buffering cushion set up between buffering slider with gas cylinder socket bottom, gas cylinder socket bottom center is equipped with a pit, in this pit was arranged in to the rear portion of elasticity buffering cushion, the permanent magnet is fixed on the buffering slider. By the design, the elastic buffer cushion block can absorb the backseat force generated by the emission of the gas cylinder, parts such as a gas cylinder socket and the like are not easy to damage, and hands are not easy to slip during the emission.

As the optimization, barrel, gas cylinder socket and the motor of taking the speed reducer respectively have M, and M barrel bunches set up, and its muzzle all points to same one side, and M gas cylinder socket and M barrel one-to-one, M motor of taking the speed reducer drive M gas cylinder socket one-to-one, the frame is the pistol form to be equipped with the trigger, the switch is micro-gap switch, and this micro-gap switch connects on the trigger, and M is positive integer.

The shape of the firework rotary-firing device of the single gun barrel can be made into a pistol shape or a single barrel shotgun shape, the shape of the firework rotary-firing device of the two gun barrels can be made into a double-tube pistol shape or a double-tube shotgun shape, and the three gun barrels can be made into a triple-tube pistol shape or a shotgun shape.

The utility model can realize the mechanical rotary-firing of the firework under the drive of the motor, saves labor, has low cost, and is suitable for creating a fierce celebration atmosphere in wedding celebration, industrial celebration, various evening parties, singing parties, KTV and other occasions.

Drawings

The gas cylinder for the rotary-firing firework and the rotary-firing device for the firework are further described below with reference to the accompanying drawings:

FIG. 1 is a schematic view of a three-dimensional structure of a bottle body in a conventional firework gas bottle;

FIG. 2 is a schematic perspective view of a conventional gas cylinder for a rotary display of a firework;

FIG. 3 is a schematic perspective view of a first embodiment of a gas cylinder for a rotary display of a firework of the present utility model;

fig. 4 is a schematic perspective view of a first embodiment of a rotary display according to the present utility model;

FIG. 5 is a schematic perspective view of a display device according to a first embodiment of the present utility model;

FIG. 6 is a schematic view of a partial cross-sectional structure of the display device of FIG. 5 (half of the rest of the handle is removed along the longitudinal bisecting plane);

fig. 7 is a schematic perspective view illustrating a use state of the display device of fig. 5; the method comprises the steps of carrying out a first treatment on the surface of the

FIG. 8 is a schematic perspective view of a second embodiment of the display device of FIG. 5;

FIG. 9 is a schematic perspective view of a second embodiment of a rotary display firework cylinder according to the present utility model;

FIG. 10 is a schematic perspective view of a gas cylinder of a third embodiment of a rotary-firing firework cylinder of the present utility model;

FIG. 11 is a schematic perspective view of a fourth embodiment of a rotary display firework cylinder according to the present utility model;

FIG. 12 is a schematic perspective view of a cylinder socket of a display device associated with the cylinder of FIG. 11;

FIG. 13 is a schematic perspective view of a cylinder socket associated with a fifth embodiment of a rotary display gas cylinder of the present utility model;

fig. 14 is a schematic perspective view of a cylinder socket associated with a sixth embodiment of the gas cylinder for a rotary display of a firework of the present utility model.

In the figure: the gas cylinder is characterized in that the gas cylinder is 1, the pressing plate is 2, the rotating sleeve is 3, the clamping plate is 4, the gas filling hole is 5, the inward turning edge is 6, the clamping part is 7, the protruding block is 71, the cylinder clamping part is 8, the groove is 81, the protruding edge is 82, the barrier is 9, the cylinder is 10, the barrel is 11, the frame is 12, the through groove is 13, the motor with the speed reducer is 14, the gas cylinder socket is 15, the battery is 16, the permanent magnet is 17, the trigger is 18, the ring groove for fixing the rotating sleeve on the gas cylinder is 19, the shaft hole of the motor output shaft with the speed reducer is connected on the gas cylinder socket is 20, the buffer slide block is 21, and the elastic buffer cushion block is 22.

Description of the embodiments

The utility model discloses a rotary-firing firework gas storage bottle, which comprises the following components in part A: as shown in fig. 3, it includes gas cylinder 1, bottle plug (not shown in the figure), clamp plate 2 and swivel cap 3, the outer edge of gas cylinder 1 bottleneck links there are two cardboard 4, and two cardboard 4 are located the bottleneck both sides respectively, swivel cap 3 main part is the cylinder to rotationally overlap on gas cylinder 1, the bottle plug is blocked up on gas cylinder 1 bottleneck, clamp plate 2 presses on the bottle plug, and clamp plate 2 center is opened has inflation hole 5, is equipped with decurrent varus edge 6 on the clamp plate 2, and this varus edge 6 can block on cardboard 4 of bottleneck both sides, clamp plate 2 one end is fixed on swivel cap inside wall to can rotate along with swivel cap 3, the gas cylinder is sealed to have compressed gas, its characterized in that: the rotary sleeve 3 is provided with a sleeve clamping part 7, the bottle bottom of the gas bottle 1 or the side wall close to the bottle bottom is provided with a bottle clamping part 8, the sleeve clamping part 7 and the bottle clamping part 8 respectively apply positive torsion and reverse torsion, and the rotary sleeve 3 and the gas bottle 1 can be driven to rotate relatively.

The sleeve clamping part 7 consists of 3 protruding blocks 71 fixedly connected to the rotary sleeve, and the bottle clamping part 8 consists of 20 grooves 81 uniformly distributed on the outer circumference of the gas bottle. The outer end of the rotary sleeve 3 is also provided with a barrier 9 for preventing the pressing plate 2 from flying out. Of course, the number of the lugs 71 may be 2 or 1, which is not shown. The grooves 81 may be replaced by ridges 82 (see fig. 9), the number of which may be any positive integer, and generally not more than 36, in consideration of the processing difficulty, are not shown.

The first implementation mode of the rotary-firing firework of the utility model is as follows: as shown in figure 4 of the drawings,

it includes barrel 10 and gas bomb, is equipped with various flower filler, its characterized in that in the barrel 10: the gas bomb is a rotary-firing firework gas bomb shown in fig. 3, the lower end of the cylinder body 10 is fixed on the rotary sleeve 3, and the sleeve clamping part 7 of the rotary sleeve 3 is exposed.

As shown in fig. 5 to 7, a first embodiment of the display device for a display of the present utility model, which includes a barrel 11, a stand 12, and an electric trigger mechanism, is characterized in that: the gun barrel 11 is fixed on the stand 12, a through groove 13 is formed in the inner wall of the gun barrel 11, a motor 14 with a speed reducer is further fixed on the stand 12, an air bottle socket 15 is directly or indirectly connected to an output shaft of the motor 14 with the speed reducer, the air bottle socket 15 is opposite to a tail end port of the gun barrel 11, a concave-convex structure corresponding to the bottle clamping part 8 is arranged on the air bottle socket 15, a rotary display confetti shown in fig. 4 can be placed in the gun barrel 11, a sleeve clamping part 7 on the rotary sleeve 3 is placed in the through groove 13 on the inner wall of the gun barrel 11, the bottle clamping part 8 on the air bottle 1 is clamped into the concave-convex structure on the air bottle socket 15, the motor 14 with the speed reducer is provided with a switch and a battery 16, the electric triggering mechanism is formed, the motor 14 with the speed reducer is started, the air bottle socket 15 drives the air bottle 1 to rotate, and the rotary display confetti is triggered to emit. The gas cylinder socket 15 is also provided with a permanent magnet 17, and the permanent magnet 17 is mutually attracted with the bottom of the gas cylinder 1.

The gun barrel 11, the gas cylinder sockets 15 and the motors 14 with speed reducers are respectively provided with M gun barrels 11 in a bundling mode, muzzles of the M gun barrels 11 are all pointed to the same side, the M gas cylinder sockets 15 are in one-to-one correspondence with the M gun barrels 11, the M motors 14 with speed reducers drive the M gas cylinder sockets 15 in one-to-one correspondence, the stand 12 is in a pistol shape and is provided with a trigger 18, the switch is a micro switch, the micro switch is connected to the trigger 18, and M is a positive integer. In FIGS. 5-7, M is taken as 3, and the overall triple tube is pistol-shaped.

The through groove 13 and the protruding block 71 therein have a clearance, and the central angle of the clearance in the cross section is larger than that of the single protruding edge 82 or the groove 81 in the cross section. When the rotary-type firework shown in fig. 4 is inserted into the gun barrel 11, if the rotary-type firework is unsmooth, only the cylinder body 10 is required to be twisted positively and negatively in a small range, the cylinder clamping part 8 of the gas cylinder 1 can be clamped into the concave-convex structure on the gas cylinder socket 15, namely, the installation of the rotary-type firework is completed, and then the motor 14 with the speed reducer is started, so that the rotary-type firework can be launched.

The gun barrels can be arranged in a multi-tube rotary machine gun shape according to a circumferential array; the motors can be simultaneously rotated and simultaneously launched according to a rectangular array and arranged into a box type multi-tube rocket gun shape; or can rotate one by one, emit one by one, continuously output, and be omitted.

In the second embodiment of the present utility model, as shown in fig. 8, a buffer mechanism is further disposed in the gas cylinder socket 15, the buffer mechanism includes a buffer slide block 21 and an elastic buffer cushion block 22, the buffer slide block 21 is disposed in the gas cylinder socket 15 and can slide in the gas cylinder socket 15, the elastic buffer cushion block 22 is disposed between the buffer slide block 21 and the bottom of the gas cylinder socket 15, a pit is disposed in the bottom center of the gas cylinder socket 15, the rear portion of the elastic buffer cushion block 22 is disposed in the pit, the permanent magnet 17 is fixed on the buffer slide block 21, and other structures are the same as those in the first embodiment of the present utility model.

The second embodiment of the utility model is a rotary-firing firework gas storage bottle: as shown in fig. 9, the bottle clamping portion 8 of the gas bottle 1 is formed by 10 grooves 81 uniformly distributed on the outer circumference of the gas bottle, and the rest of the structure is as shown in the first embodiment of the gas bottle for the rotary-firing firework of the present utility model.

The concave-convex structure of the gas cylinder socket 15 of the confetti flower rotary lighting device matched with the device is also a pit with a corresponding shape, which is not shown in the figure.

The third embodiment of the gas storage bottle for the rotary-firing firework comprises: as shown in fig. 10, the bottle clamping portion of the gas bottle 1 is composed of 3 ribs 82 uniformly distributed on the outer circumference of the gas bottle, and the rest of the structure is as shown in the first embodiment of the gas bottle for the rotary-firing firework of the present utility model.

The utility model discloses a rotary-firing firework gas storage bottle in a fourth embodiment: as shown in fig. 11, the sleeve clamping part is composed of 3 protruding blocks 71 fixedly connected to the rotary sleeve, the bottle clamping part 8 is composed of protruding tables with regular hexagonal cross sections arranged at the bottom of the gas bottle 1, and the rest structures are as shown in the first embodiment of the rotary-firing firework gas storage bottle of the utility model.

The concave-convex structure of the gas cylinder socket 15 of the confetti flower rotary lighting device matched with the device is also a pit with a corresponding shape, as shown in fig. 12.

The utility model discloses a gas storage bottle for a rotary-firing firework, which comprises a fifth embodiment: the bottle clamping part 8 is formed by pits with regular hexagons in cross section and arranged at the bottom of the gas bottle 1, and the other structures are shown in the first embodiment of the rotary-firing firework gas storage bottle, and are omitted in the drawing.

The concave-convex structure of the gas cylinder socket 15 of the confetti flower rotary lighting device matched with the device is also a lug boss with a corresponding shape, as shown in fig. 13.

The implementation mode of the gas storage bottle for the rotary-firing firework is six: the bottle clamping part 8 is formed by the oval outer circumference of the gas bottle 1, and the other structures are shown in the first embodiment of the gas bottle for the rotary-firing firework, which is shown in the drawing.

The concave-convex structure of the gas cylinder socket 15 of the confetti flower rotary lighting device matched with the device is also a pit with a corresponding shape, as shown in fig. 14.

Claims

1. The utility model provides a spin-emission firework gas bomb, includes gas cylinder (1), bottle plug, clamp plate (2) and swivel cap (3), gas cylinder (1) bottleneck outer edge even has two cardboard (4), and two cardboard (4) are located bottleneck both sides respectively, swivel cap (3) main part is the cylinder to rotationally overlap on gas cylinder (1), the bottle plug is blocked on the gas cylinder bottleneck, clamp plate (2) are pressed on the bottle plug, and open at clamp plate (2) center has air filling hole (5), is equipped with decurrent varus edge (6) on clamp plate (2), and this varus edge (6) can block on cardboard (4) of bottleneck both sides, clamp plate (2) one end is fixed on swivel cap (3) inside wall to can rotate along with swivel cap (3), seal compressed gas in gas cylinder (1), its characterized in that: the rotary sleeve (3) is provided with a sleeve clamping part (7), the bottle bottom of the gas bottle (1) or the side wall close to the bottle bottom is provided with a bottle clamping part (8), the sleeve clamping part (7) and the bottle clamping part (8) respectively apply forward and reverse torsion, and the rotary sleeve (3) and the gas bottle (1) can be driven to rotate relatively.

2. The spin-on display firework cylinder of claim 1, wherein: the sleeve clamping part (7) is composed of 1 or 2 or 3 protruding blocks (71) fixedly connected to the rotary sleeve (3), and the bottle clamping part (8) is composed of N grooves (81) or protruding edges (82) uniformly distributed on the outer circumference of the gas bottle (1), wherein N is a positive integer.

3. The spin-on display firework cylinder of claim 1, wherein: the sleeve clamping part (7) is composed of 1 or 2 or 3 protruding blocks (71) fixedly connected to the rotary sleeve (3), and the bottle clamping part (8) is composed of protruding tables with regular polygon cross sections arranged at the bottom of the gas bottle (1).

4. The spin-on display firework cylinder of claim 1, wherein: the sleeve clamping part (7) is composed of 1 or 2 or 3 protruding blocks (71) fixedly connected to the rotary sleeve (3), and the bottle clamping part (8) is composed of a pit with a regular polygon cross section arranged at the bottom of the gas bottle (1).

5. The spin-on display firework cylinder of claim 1, wherein: the sleeve clamping part (7) is composed of 1 or 2 or 3 protruding blocks (71) fixedly connected to the rotary sleeve (3), and the bottle clamping part (8) is composed of an oval outer circumference of the gas bottle (1).

6. The utility model provides a spin-on firework, includes barrel (10) and gas bomb, is equipped with various flower filler, its characterized in that in barrel (10): the gas bomb is the rotary-firing firework gas bomb according to claim 1 or 2 or 3 or 4 or 5, the lower end of the cylinder body (10) is fixed on the rotary sleeve (3), and the sleeve clamping part (7) of the rotary sleeve (3) is exposed.

7. The utility model provides a firework rotary-firing device, includes barrel (11), frame (12) and electricity trigger mechanism, its characterized in that: the utility model provides a barrel (11) is fixed on frame (12), is equipped with logical groove (13) on barrel (11) inner wall, still is fixed with motor (14) of taking the speed reducer on frame (12), and direct or indirect even there is gas cylinder socket (15) on the output shaft of motor (14) of this area speed reducer, and this gas cylinder socket (15) just is equipped with the concave-convex structure corresponding with bottle clamping part (8) on barrel (11) socket (15), claim 6 in spin confetti can be placed in barrel (11), cover clamping part (7) on its swivel boot (3) are arranged in logical groove (13) on barrel (11) inner wall, in the concave-convex structure on bottle socket (15) is blocked in bottle clamping part (8) on its gas cylinder (1), motor (14) of taking the speed reducer are furnished with switch and battery (16), form electric trigger mechanism starts motor (14) of taking the speed reducer, gas cylinder socket (15) drive gas cylinder (1) rotate, trigger spin confetti is launched.

8. The display apparatus according to claim 7, wherein: the gas cylinder socket (15) is also provided with a permanent magnet (17), and the permanent magnet (17) and the bottom of the gas cylinder (1) are mutually attracted.

9. The display apparatus of claim 8, wherein: still be equipped with buffer gear in gas cylinder socket (15), this buffer gear includes buffering slider (21) and elasticity cushion (22), buffering slider (21) are established in gas cylinder socket (15) to can slide in gas cylinder socket (15), elasticity cushion (22) set up between buffering slider (21) with gas cylinder socket (15) bottom, gas cylinder socket (15) bottom center is equipped with a pit, in this pit is arranged in at the rear portion of elasticity cushion (22), permanent magnet (17) are fixed on buffering slider (21).

10. The display apparatus of claim 9, wherein: the gun barrel is characterized in that M gun barrels (11), gas cylinder sockets (15) and motors (14) with speed reducers are arranged in a bundling mode, muzzles of the M gun barrels (11) are all pointed to the same side, the M gas cylinder sockets (15) correspond to the M gun barrels (11), the M motors (14) with speed reducers drive the M gas cylinder sockets (15) in a one-to-one mode, the rack is pistol-shaped and is provided with a trigger (18), the switch is a micro switch, the micro switch is connected to the trigger (18), and M is a positive integer.