CN216348054U

CN216348054U - Automatic shell throwing structure of bullet chain type toy gun

Info

Publication number: CN216348054U
Application number: CN202122583156.5U
Authority: CN
Inventors: 盘明卫
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-04-19
Anticipated expiration: 2031-10-26

Abstract

An automatic ejection structure of a bullet chain type toy gun is characterized in that an automatic ejection mechanism is arranged on the right side of a gun body; the automatic ejection mechanism comprises a sliding block capable of longitudinally reciprocating and a first spring for applying forward elastic force to the sliding block, the front end of the sliding block is provided with an upper hook block and a lower hook block, the tail end of each hook block is provided with a bent hook for hooking an annular convex rib at the rear end of the cartridge case, and a hook opening for accommodating the annular convex rib of the cartridge case is formed between the upper hook block and the lower hook block; the transverse distance between the hook and the muzzle is equal to the distance between two adjacent elastic chain units; the lower edge of the sliding block is fixedly connected with a first rack, the first rack is provided with a gear in a matching way, and the circumference of the gear comprises a toothed area for being meshed with the first rack for transmission and a non-toothed area for being disengaged from the first rack; the gun body is also provided with a spring piece, and the longitudinal middle part of the spring piece is arched towards the right side. The utility model can realize automatic ejection after each bullet is shot.

Description

Automatic shell throwing structure of bullet chain type toy gun

Technical Field

The utility model belongs to the technical field of toy guns, and particularly relates to an automatic shell throwing structure of a bullet chain type toy gun.

Background

Toy guns can be divided into single shot and multiple shot types depending on the number of shots that can be fired after each loading. A single shot toy gun can only fire one bullet after each charge, while a multiple shot toy gun can fire multiple bullets after each charge. The multiple-shot toy gun can be divided into a bullet chain type and a bullet box type according to different bullet loading modes. In which a plurality of cartridges of a magazine type toy gun are loaded in a magazine, so that the number of cartridges loaded at a time is fixed and very limited.

The bullet chain type toy gun structurally comprises a gun body, a gun mouth and a launching mechanism, wherein the launching mechanism is used for pushing a bullet to launch forwards; the bottom of the elastic chain groove is provided with a shifting mechanism for shifting the toy elastic chain to move from left to right; bullet dress is in the bullet chain the inside when playing, and the bullet chain dress is in the bullet chain groove the inside of toy gun (passing the bullet chain groove), the bullet chain includes a plurality of bullet chain units, every bullet chain unit is formed with a circular cavity that holds the toy bullet, a toy bullet can be adorned to the inside, every toy bullet includes shell case and warhead, the rear end of shell case is formed with an annular fin (the true bullet of simulation), because the bullet quantity of bullet chain at every turn loading depends on the length of bullet chain (be the quantity of bullet chain unit), consequently the bullet quantity of bullet chain formula toy gun at every turn loading is more, theoretically can be unrestricted. After the bullet chain type toy gun is shot each time, the poking mechanism pokes the toy bullet chain to move from left to right, so that bullets in the next bullet chain unit are aligned with the shooting mechanism and the gun muzzle, and continuous shooting is achieved.

However, the existing bullet chain type toy gun cannot imitate the action of shell throwing of a real rifle in the playing process, and the playing experience of automatic continuous shooting and shell throwing is influenced.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to overcoming the above-mentioned disadvantages and providing an automatic ejection structure of a chain-type toy gun, which can perform automatic ejection after each shot.

The purpose can be realized according to the following scheme: an automatic shell throwing structure of a bullet chain type toy gun comprises a gun body, a launching mechanism and a gun mouth, wherein the gun mouth faces to the front, a bullet chain groove for a toy bullet chain to pass through from left to right is formed in the front of the gun body, the launching mechanism is positioned behind the gun mouth, and the longitudinal position of the bullet chain groove is positioned between the launching mechanism and the gun mouth; the bottom of the elastic chain groove is provided with a shifting mechanism for shifting the toy elastic chain to move from left to right; the toy bullet chain comprises a plurality of bullet chain units, each bullet chain unit forms a circular cavity for accommodating the toy bullet, each toy bullet comprises a bullet shell and a bullet head, and an annular convex rib is formed at the rear end of the bullet shell;

an automatic ejection mechanism is arranged on the right side of the gun body; the automatic ejection mechanism comprises a sliding block capable of longitudinally reciprocating and a first spring for applying forward elastic force to the sliding block, the front end of the sliding block is provided with an upper hook block and a lower hook block, the tail end of each hook block is provided with a bent hook for hooking an annular convex rib at the rear end of the cartridge case, and a hook opening for accommodating the annular convex rib of the cartridge case is formed between the upper hook block and the lower hook block; the transverse distance between the hook and the muzzle is equal to the distance between two adjacent elastic chain units;

the lower edge of the sliding block is fixedly connected with a first rack, the first rack is provided with a gear in a matching way, the axial direction of the gear is transverse, the circumference of the gear comprises a toothed area used for being meshed with the first rack for transmission and a non-toothed area used for being disengaged from the first rack, and the non-toothed area has no teeth; the arc length of the toothed area is greater than the longitudinal depth of the bullet shell inserted into the round cavity of the bullet chain unit;

the gun body is also provided with a spring piece, and the longitudinal middle part of the spring piece is arched towards the right side;

when the slide block is positioned at the foremost end of the longitudinal moving track of the slide block, the longitudinal middle part of the spring piece is abutted against the left side surface of the slide block, and the transverse projection position of a hook opening formed by the upper hook block and the lower hook block is aligned with an annular convex rib at the rear end of a toy bullet shell arranged in the bullet chain groove;

when the hook of the sliding block pulls the shell to move backwards to enable the longitudinal position of the shell to be separated from the bullet chain, the longitudinal middle part of the spring piece is abutted against the left side part of the shell.

Preferably, the firing mechanism comprises an air cylinder arranged in the gun body, a piston block capable of longitudinally reciprocating is arranged in the air cylinder, the air cylinder is positioned right behind the gun mouth, an air exhaust port facing the front is arranged at the front end of the air cylinder, a second spring for applying forward elastic force to the piston block and a piston block pushing assembly for overcoming the elastic force of the second spring to push the piston block backwards so as to enable the piston block to generate elastic potential energy are further arranged.

The toggle mechanism comprises a toggle block capable of sliding left and right, the right side surface of the toggle block is a vertical surface, and the left side surface of the toggle block is an inclined surface with the inclination smaller than 35 degrees.

The piston block pushing assembly is provided with a second rack and a gear set, the second rack is fixedly connected with the piston block, the gear set comprises a second gear, and the second gear and the first gear are driven by the same motor; the circumference of the second gear includes a toothed region for meshing transmission with the second rack and a non-toothed region for disengaging the second rack, the non-toothed region being free of teeth.

The utility model has the following advantages and effects:

when the toy gun is played, bullets are loaded in the bullet chain, the bullet chain is loaded in the bullet chain groove of the toy gun (penetrates into the bullet chain groove), and a toy bullet is loaded in each bullet chain unit of the bullet chain; after the launching mechanism is triggered each time, the air cylinder pushes the warhead of the toy bullet forward to enable the warhead to fly out forward through a muzzle, the shell case is left in the bullet chain to form an empty shell case, then the poking mechanism enables the bullet chain to move one bullet chain unit interval from left to right, the transverse position of the empty shell case is aligned with the two hook blocks of the sliding block, and the annular convex rib of the empty shell case moves into the hook mouths of the upper hook block and the lower hook block from the transverse direction; after the shifting process is finished, the toothed area of the first gear is meshed with the first rack, so that the first rack moves backwards to drive the sliding block, the upper hook block, the lower hook block and the empty cartridge case to move backwards; when the hook of the sliding block pulls the empty cartridge case to move backwards so that the longitudinal position of the empty cartridge case is separated from the circular cavity of the elastic chain, the longitudinal middle part of the spring piece is abutted to the left side part of the empty cartridge case, the empty cartridge case is ejected out towards the right side by the elasticity of the spring piece, so that the empty cartridge case which moves backwards quickly generates transverse component speed, is separated from the hook openings of the upper hook block and the lower hook block and flies away towards the right rear side, and automatic cartridge throwing is realized; after that, the toothed area of the first gear is separated from the first rack, so that the slide block returns to the foremost end of the moving track under the action of the forward elastic force of the first spring, and the transverse projection position of the hook opening formed by the upper hook block and the lower hook block is aligned with the annular convex rib at the rear end of the toy bullet shell arranged in the bullet chain groove again to prepare for the next shell-throwing action.

Drawings

Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.

Fig. 2 is a schematic view of the overall structure of the toy bullet chain and toy bullet of fig. 1.

Figure 3 is an exploded view of the toy chain and toy bullet of figure 2.

Figure 4 is a schematic diagram of a transverse projection of the toy chain and toy bullet of figure 2.

Figure 5 is a schematic view of the structure of figure 1 after removal of the toy bullet chain and toy bullet.

Fig. 6 is a schematic top view of the structure shown in fig. 5.

Fig. 7 is a schematic sectional view a-a in fig. 6.

Fig. 8 is a schematic diagram of the piston block pusher assembly.

Fig. 9 is a schematic sectional view of B-B in fig. 6.

Fig. 10 is a schematic cross-sectional view of C-C in fig. 6.

Fig. 11 is an enlarged schematic view of the structure of the dial in fig. 10.

Fig. 12 is a schematic cross-sectional view D-D of fig. 7.

Fig. 13 is a schematic view of the configuration of fig. 9 with the hook engaged with the empty cartridge case.

Fig. 14 is a partially enlarged schematic view of fig. 13.

Fig. 15 is an enlarged schematic view of the slider in fig. 14.

Fig. 16 is a schematic view showing a changed state after the slider in fig. 14 is moved backward.

Fig. 17 is a schematic view in horizontal section of the spring plate top contacting the empty cartridge case after the slider is moved rearward.

Fig. 18 is a partially enlarged schematic view of fig. 17.

Detailed Description

Fig. 1, 5, 6, and 7 show an automatic ejection structure of a chain ammunition toy gun, which includes a gun body 1, a launching mechanism, and a gun mouth 10, wherein the gun mouth 10 faces forward, a chain ammunition slot 11 for a toy chain ammunition to pass through from left to right is formed in the front of the gun body, the launching mechanism is located behind the gun mouth, and the longitudinal position of the chain ammunition slot 11 is located between the launching mechanism and the gun mouth 10; as shown in fig. 5, 9, 10, and 11, a toggle mechanism for toggling the toy bullet chain to move from left to right is disposed at the bottom of the bullet chain slot 11, the toggle mechanism includes a toggle block 3 capable of sliding from left to right, a right side surface (e.g., FG surface in fig. 11) of the toggle block 3 is an upright surface, and a left side surface (e.g., DE surface in fig. 11) of the toggle block 3 is an inclined surface with an inclination of 25 °.

As shown in fig. 1, 2, 3 and 4, a toy bullet chain 2 and a plurality of toy bullets are further provided, the toy bullet chain 2 comprises a plurality of bullet chain units 21, each bullet chain unit 21 forms a circular cavity 20 for accommodating the toy bullets, each toy bullet comprises a bullet shell 22 and a bullet head 23, and the rear end of the bullet shell 22 is formed with an annular rib 220;

as shown in fig. 5, 6 and 7, an automatic ejection mechanism is also arranged on the right side of the gun body 1; the automatic ejection mechanism comprises a sliding block 4 capable of longitudinally reciprocating, and a first spring (not shown in the figure) for applying forward elastic force to the sliding block 4, wherein the front end of the sliding block 4 is provided with an upper hook block 41 and a lower hook block 41, the tail end of each hook block 41 is provided with a hook 42 for hooking an annular convex rib 220 at the rear end of the cartridge case, and a hook opening 40 for accommodating the annular convex rib 220 of the cartridge case is formed between the upper hook block and the lower hook block; the transverse distance between the hook 42 and the muzzle 10 is equivalent to the distance between two adjacent elastic chain units 21; as shown in fig. 5, 13, 14, 15 and 16, a first rack 51 is fixedly connected to the lower edge of the sliding block 4, the first rack 51 is provided with a gear 6, the axial direction of the gear 6 is transverse, the circumference of the gear 6 comprises a toothed area 61 for meshing transmission with the first rack 51 and a non-toothed area 60 for disengaging from the first rack, and the non-toothed area 60 has no teeth; the arcuate length of the toothed region 61 (the length of the arc MQN in fig. 14) is greater than the longitudinal depth of insertion of the casing 22 into the circular cavity 20 of the chain unit;

as shown in fig. 12, 17 and 18, the gun body 1 is further provided with a spring plate 7, and the middle part in the longitudinal direction of the spring plate 7 is arched to the right; when the slide block 4 is located at the foremost end of the longitudinal moving track, the longitudinal middle part of the spring plate 7 is abutted against the left side surface of the slide block 4, as shown in fig. 12, the transverse projection position of the hook opening 40 formed by the upper hook block 41 and the lower hook block 41 is aligned with the annular convex rib 220 at the rear end of the toy bullet shell arranged in the bullet chain groove 11, as shown in fig. 13; when the hook 42 of the slide block pulls the shell 22 to move backwards so that the longitudinal position of the shell 22 is separated from the circular cavity 20 of the bullet chain 2, the longitudinal middle part (indicated by the point G in fig. 18) of the spring piece 7 collides with the left side part of the shell 22, as shown in fig. 17 and 18.

As shown in fig. 7, 8 and 12, the firing mechanism includes a cylinder 81 mounted inside the gun body, a piston block 8 capable of longitudinally reciprocating inside the cylinder 81, the cylinder being located right behind the muzzle, and an air outlet 80 facing forward being opened at the front end of the cylinder 81, a second spring (not shown) for applying a forward elastic force to the piston block 8, and a piston block pushing assembly for pushing the piston block backward against the elastic force of the second spring to generate elastic potential energy; the piston block pusher assembly is provided with a second rack 52 and a gear train 91, the second rack 52 being fixedly connected to the piston block 8, the gear train 91 comprising a second gear 82, the circumference of the second gear 82 comprising a toothed region for meshing transmission with the second rack 52 and a non-toothed region for disengaging the second rack, the non-toothed region being non-toothed, as shown in fig. 8. The second gear 82 and the first gear 6 are driven by the same motor 9, and the second gear 82 and the first gear 6 are coaxially and fixedly connected, so that the toothed area and the non-toothed area of the second gear 82 can be precisely matched with the toothed area and the non-toothed area of the first gear 6 in space, and therefore, in each rotation action period, the time point when the second rack 52 and the first rack 51 push the corresponding racks to act can be precisely matched.

The play principle of the above embodiment is as follows:

the bullets are loaded in the bullet chain 2, the bullet chain 2 is loaded in the bullet chain groove 11 of the toy gun, the bullet chain 2 comprises a plurality of bullet chain units 21, and each bullet chain unit is loaded with a toy bullet (comprising a bullet shell 22 and a bullet head 23) inside, as shown in fig. 1, 2, 3 and 4; in preparation for firing, the toothed region of the second gear 82 pushes the second rack 52 and the piston block 8 backward, when the toothed region of the second gear 82 is disengaged from the second rack 52, the piston block 8 is pushed forward along the cylinder 81 rapidly under the elastic force of the second spring, so that the gas in the cylinder is ejected through the exhaust port 80, the bullet 23 of the toy bullet is pushed forward to fly forward through the muzzle 10, the shell 22 is left inside the chain 2 to form an empty shell, then the dial 3 of the toggle mechanism moves from left to right, the chain 2 moves from left to right by one chain unit interval, the lateral position of the empty shell 22 is aligned with the two hook blocks of the slider, and the loop 220 of the empty shell moves from the lateral direction into the hook ports 40 of the two hook blocks, as shown in fig. 13, after which the dial 3 of the toggle mechanism moves back from right to left, since the left side (DE surface in fig. 11) of the dial 3 is an inclined plane with an inclination of 25 °, therefore, in the process that the shifting block 3 moves back from right to left, the thrust of the shifting block 3 is not enough to push the elastic chain 2 in the elastic chain groove 11 to move transversely; during the above-described firing and dialing, the toothless region 60 of the first gear 6 is rotated past the first rack 51; after the shifting process is finished, the toothed area 61 of the first gear is meshed with the first rack 51, so that the first rack 51 moves backwards to drive the sliding block 4, the upper hook block 42, the lower hook block 42 and the empty cartridge case 22 to move backwards; when the hook 41 of the slider pulls the empty cartridge case 22 to move backwards so that the longitudinal position of the empty cartridge case 22 is separated from the circular cavity 20 of the bullet chain, the longitudinal middle part (such as point G in fig. 18) of the spring piece 7 is abutted against the left side part of the empty cartridge case 22, the spring force of the spring piece 7 pushes the empty cartridge case 22 out towards the right direction, as shown in fig. 17 and 18, so that the empty cartridge case 22 moving backwards quickly generates a transverse component velocity (the transverse component velocity is shown by an arrow V in fig. 17 and 18), is separated from the hook mouths 40 of the upper and lower hook blocks and is thrown away towards the right rear side, and automatic casing throwing is realized; thereafter, the toothed region 61 of the first gear 6 is disengaged from the first rack 51, and the slider 4 is then returned forward to the foremost end of its moving trajectory by the forward elastic force of the first spring, so that the projected transverse position of the hook opening 40 formed by the upper and lower hook pieces is realigned with the annular rib 220 at the rear end of the toy bullet case fitted in the bullet chain slot 2, in preparation for the next ejection action.

In the above embodiment, the left side surface (e.g., DE surface in the figure) of the dial 3 is a slope with an inclination of 20 ° or 34 °.

Claims

1. An automatic shell throwing structure of a bullet chain type toy gun comprises a gun body, a launching mechanism and a gun mouth, wherein the gun mouth faces to the front, a bullet chain groove for a toy bullet chain to pass through from left to right is formed in the front of the gun body, the launching mechanism is positioned behind the gun mouth, and the longitudinal position of the bullet chain groove is positioned between the launching mechanism and the gun mouth; the bottom of the elastic chain groove is provided with a shifting mechanism for shifting the toy elastic chain to move from left to right; the toy bullet chain comprises a plurality of bullet chain units, each bullet chain unit forms a circular cavity for accommodating the toy bullet, each toy bullet comprises a bullet shell and a bullet head, and an annular convex rib is formed at the rear end of the bullet shell;

the method is characterized in that: an automatic ejection mechanism is arranged on the right side of the gun body; the automatic ejection mechanism comprises a sliding block capable of longitudinally reciprocating and a first spring for applying forward elastic force to the sliding block, the front end of the sliding block is provided with an upper hook block and a lower hook block, the tail end of each hook block is provided with a bent hook for hooking an annular convex rib at the rear end of the cartridge case, and a hook opening for accommodating the annular convex rib of the cartridge case is formed between the upper hook block and the lower hook block; the transverse distance between the hook and the muzzle is equal to the distance between two adjacent elastic chain units;

2. The automatic ejection structure of a bullet chain type toy gun according to claim 1, wherein: the launching mechanism comprises an air cylinder arranged in a gun body, a piston block capable of longitudinally reciprocating is arranged in the air cylinder, the air cylinder is positioned right behind a gun port, an air exhaust port facing the front is formed in the front end of the air cylinder, a second spring for applying forward elastic force to the piston block and a piston block pushing assembly for overcoming the elastic force of the second spring to push the piston block backwards so as to enable the piston block to generate elastic potential energy are further arranged.

3. The automatic ejection structure of a bullet chain type toy gun according to claim 2, wherein: the piston block pushing assembly is provided with a second rack and a gear set, the second rack is fixedly connected with the piston block, the gear set comprises a second gear, and the second gear and the first gear are driven by the same motor; the circumference of the second gear includes a toothed region for meshing transmission with the second rack and a non-toothed region for disengaging the second rack, the non-toothed region being free of teeth.

4. The automatic ejection structure of a bullet chain type toy gun according to claim 1, wherein: the toggle mechanism comprises a toggle block capable of sliding left and right, the right side surface of the toggle block is a vertical surface, and the left side surface of the toggle block is an inclined surface with the inclination smaller than 35 degrees.