JP2524950B2 - Toy gun bullet launcher - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bullet firing device for a toy gun, which is capable of firing a bullet by utilizing the blowing pressure of air.

[0002]

2. Description of the Related Art Conventionally, various types of bullet launchers for toy guns of this type have been provided, and most of them use a blowout pressure of air, and most of them have an ejection port at the tip. It consists of an air cylinder equipped with it and a piston that can slide inside the air cylinder, and it is configured so that the air in the air cylinder can be ejected from the ejection port at the tip by sliding movement of the piston. (For example, Japanese Patent Publication No. 3-221793).

[0003]

However, in the launching device composed of the air cylinder and the piston as described above, the machining accuracy of the inner wall surface of the air cylinder and the outer peripheral surface of the piston must be increased to obtain the inner wall surface of the air cylinder. Air leaks from the gap between the outer peripheral surface of the piston and the bullet cannot be fired strongly, or the piston does not slide smoothly in the air cylinder. Therefore, if the machining accuracy of the inner wall surface of the air cylinder and the outer peripheral surface of the piston is increased, the cost of these is considerably high and the toy gun itself is expensive.

[0004]

SUMMARY OF THE INVENTION Therefore, the present invention solves the above-mentioned problems and the like, and the suction of air into the air pump is surely, smoothly and swiftly performed. It was created to transmit the blowing pressure of the internal air to the bullet without waste. Specifically, in the bullet firing device S of the toy gun, it is a bellows-shaped air pump 1 that can be expanded and contracted. , A pump pressing body 2 mounted on the base end portion of the air pump 1, an elastic spring 3 for constantly energizing the pump pressing body 2 in a direction to contract the air pump 1, and a pump pressing body 2. The rack spring 2 is provided with a toothless gear 8 which meshes with the provided rack portion 2a and intermittently slides the pump pressing body 2 rearward against the resilient force of the resilient spring 3 by its rotation. Accumulate in By releasing the generated elastic force, the air pump 1 is contracted through the pump pressing body 2, and the air in the air pump 1 is ejected from the ejection port at the tip, and the bullet pressure is used to eject the bullet. On the other hand, it is configured so that it can be fired, and on the other hand, a sliding nozzle 5 which is mounted on the tip portion of the air pump 1 so as to be slidable in the front-rear direction via a spacer, and a sliding nozzle 5 which is ejected in a direction to move forward An air suction mechanism is provided that includes a pull-back spring 6 that constantly applies a force, and an operating rod 9 that has one end attached to the sliding nozzle 5 and the other end that is linked to the toothless gear 8.
When the air is sucked into the air pump 1, the sliding nozzle 5 slides backward through the actuating rod 9 against the elastic force of the pullback spring 6 and is set at a predetermined position. When the tip portion of the sliding nozzle 5 separates from and the bullet is fired, the sliding nozzle 5 slides forward by the elastic force of the pull-back spring 6 and slides on the bullet set in the predetermined position. The tip of 5 is in close contact with the air pump 1 so that the air in the air pump 1 passes through the sliding nozzle 5 and is blown to the bullet.

[0005]

In the bullet firing device S of the present invention, the pump pressing body 2 is attached to the base end portion of the air pump 1, and the elastic force of the elastic spring 3 is applied to the pump pressing body 2. Is constantly energized, the elastic force is applied and accumulated in the elastic spring 3 by the rotation of the tooth-chipped gear 8, and when this elastic force is released, the air pump 1 abruptly passes through the pump pressing body 2. When contracted, the air in the air pump 1 is instantaneously ejected from the ejection port at the tip to push out (fire) a bullet. On the other hand, the sliding nozzle 5 slidably mounted on the tip portion of the air pump 1 slides backward through the operating rod 9 and when the tip portion is separated from the bullet, The air in the air pump 1 passes through the inside of the sliding nozzle 5 when the air is sucked into the sliding nozzle 5 and is slid forward by the elastic force of the pull-back spring 6 and the tip portion thereof comes into close contact with the bullet. Will be able to be sprayed on the bullet.

[0006]

EXAMPLES The present invention will be described below with reference to illustrated examples.
It is as follows. In the figure, S represents a bullet firing device of a toy gun of the present invention which is capable of firing a bullet by utilizing the blowing pressure of air. The bullet firing device S is a bellows-shaped air pump 1 which is expandable and contractible. , A pump pressing body 2 attached to the base end portion of the air pump 1, an elastic spring 3 for constantly energizing the pump pressing body 2 in a direction to contract the air pump 1, and the elastic spring 3 And a spring support rod 4 for supporting the spring, and the drive mechanism allows the pump pressing body 2 to be repeatedly slid against the elastic force of the elastic spring 3 and the elastic force accumulated in the elastic spring 3 to be accumulated. The pump pressing body 2 is configured to be repeatedly releasable, and when the elastic force of the elastic spring 3 is released.
Is rapidly slid forward to contract the air pump 1, and the air in the air pump 1 is ejected from the ejection port at the tip so that the bullet can be strongly ejected. When the pump pressing body 2 is slid rearward against the elastic force of the elastic spring 3 by the drive mechanism, the air pump 1 is in an expanded state in which air is sucked into the interior from the ejection port. Become.

In the gun toy incorporating the bullet firing device S of the present invention, a drive mechanism for forcibly sliding the pump pressing body 2 and an air for more surely sucking air into the air pump 1. It is equipped with a suction mechanism and a continuous firing switching mechanism that enables continuous or single shot firing.

The drive mechanism includes a motor 10 and a gear train 11 for appropriately decelerating and transmitting the rotational force of the motor 10.
And a toothless gear 8 having teeth 8a that mesh with the gear train 11 and rotate and mesh with the rack 2a of the pump pressing body 2, and the rotation of the motor 10 causes the toothless gear 8 to rotate. Then, the tooth portion 8a of the tooth-chipped gear 8 meshes with the rack portion 2a provided on the pump pressing body 2, and the pump pressing body 2
It is configured to be intermittently slid rearward against the elastic force of the elastic spring 3.

The air suction mechanism is fixed to the tip portion of the air pump 1, and is slidably mounted in the front-rear direction via an appropriate spacer having a central flow path communicating with the jet port of the air pump 1. Sliding nozzle 5, a retracting spring 6 that constantly urges the elastic force of the sliding nozzle 5 so as to move the sliding nozzle 5 forward, one end is attached to the sliding nozzle 5, and the other end is missing. The operating rod 9 is engaged with a retaining pin 8b protruding from the toothed gear 8, and the sliding nozzle 5 is rotated through the operating rod 9 by the rotation of the toothless gear 8.
Is configured to slide rearward against the elastic force of the pull-back spring 6. That is, the sliding nozzle 5 slides rearward at substantially the same time as the rearward sliding movement of the pump pressing body 2 moves away from the bullet set in a predetermined position, and the tip end portion thereof moves into the air pump 1. The air can be sucked in more reliably, smoothly and quickly, and when the air pump 1 is contracted and the bullets are fired by the air in the air pump 1, the backward sliding by the operating rod 9 is released. Then, the elastic force of the pullback spring 6 is released, the sliding nozzle 5 slides forward, and the tip of the sliding nozzle 5 comes into close contact with the bullet set at a predetermined position, so that the inside of the air pump 1 It is designed so that air can be blown onto the bullet without waste.

Further, the continuous firing switching mechanism arbitrarily presses the switch 23 linked to the trigger 20 to drive the motor 1
It is configured so that a current can be applied to 0 to operate the drive mechanism. In addition, the drive mechanism can be operated continuously or in a short period of time to enable continuous or single shot firing of bullets. It is configured to be.
That is, the continuous firing switching mechanism includes a switch operating piece 21 that is swingably mounted on the trigger 20, and a switch operating piece 21.
A pull-back spring 22 that constantly urges its elastic force so as to pull it back downward, a switch 23 mounted on the toy gun body so that the other end can swing about the other end, and a toy gun. A switching rocking body 25 fixed to a switching lever exposed to the outside of the main body and rocking together with the rocking operation of the switching lever; and a swingable body mounted on the toy gun body and attached to the toothless gear 8. Connected to the cam 8c,
A swinging piece 30 that swings intermittently against the elastic force of the pull-back spring 31 is provided, and the switching swinging body 25 is swung by the swinging operation of the switching lever. The trigger 20 is abutted so as not to be able to be pulled (see FIG. 4), or the switching oscillating body 25 is further oscillated by the switching lever, and the trigger 20 is pulled to push the switch 23 by the pressing portion 21a of the switch operating piece 21. When is pressed, the toothless gear 8
The cam 8c causes the swing piece 30 to swing, and at this time, the substantially triangular pressing protrusion 30a provided on the swing piece 30 causes the entire switch 23 to swing, and the switch portion 21a of the switch operating piece 21 causes the switch 21a to switch. When the pressing state of 23 is released (see FIG. 5), or the switching rocking body 25 is further rocked by the switching lever, and the trigger 20 is pulled to press the switch 23 by the pressing portion 21a of the switch operating piece 21. At the same time, the switching oscillating body 25 oscillates the oscillating piece 30, so that the oscillating piece 30 is not oscillated by the cam 8c of the toothless gear 8, and the pressing portion 21a of the switch operating piece 21 presses the switch 23. To maintain (see Figure 6)
Configured. Then, the switching lever is rocked to rock the switching rocking body 25 to enable continuous or single shot firing.

By the way, the specific construction of the bullet launching device S,
Specific configuration, shape, size, material of the air pump 1, mounting means to the toy gun body, specific configuration, shape, size, material of the pump pressing body 2, specific mounting means to the air pump 1,
Mounting means to the toy gun body, specific configuration, shape, material, arrangement state of the elastic spring 3, specific configuration, shape, size, material of the sliding nozzle 5, specific shape of the tooth-chipped gear 8, tooth portion 8a, locking pin 8b, cam 8c, specific configuration, disposition position, specific configuration of actuating rod 9, shape, material, specific configuration of drive mechanism, specific configuration of air suction mechanism, continuous firing switching mechanism. The specific configuration and the like are not limited to those shown in the drawings and can be set freely as appropriate. In particular, the drive mechanism may be a manual type instead of an electric type, and means for sliding the pump pressing body 2 (means for utilizing the rack portion 2a and the tooth portion 8a of the tooth-chipped gear 8) is not limited to the illustrated example. Not something.

[0012]

Therefore, in the bullet firing device S of the present invention, in the bullet firing device S of a toy gun, the bellows-shaped air pump 1 which can be extended and contracted and the base end portion of the air pump 1 are mounted. The pump pressing body 2, the elastic spring 3 for constantly urging the elastic force of the pump pressing body 2 in the direction of contracting the air pump 1, and the rack portion 2a provided on the pump pressing body 2 mesh with and rotate. And a toothless gear 8 for intermittently sliding the pump pressing body 2 rearward against the elastic force of the elastic spring 3 by releasing the elastic force accumulated in the elastic spring 3. The air pump 1 is contracted via the pressing body 2 and the air pump 1
The air inside is ejected from the ejection port at the tip, and the ejection pressure of this air is used to fire the bullets.
On the other hand, a sliding nozzle 5 is mounted on the tip of the air pump 1 so as to be slidable in the front-rear direction via a spacer.
And a pull-back spring 6 for constantly urging elastic force in the direction in which the sliding nozzle 5 moves forward, and an operating rod 9 having one end attached to the sliding nozzle 5 and the other end linked to the toothless gear 8. When the air suction mechanism including the and is sucked into the air pump 1, the sliding nozzle 5 slides backward through the actuating rod 9 against the elastic force of the retracting spring 6. When the bullet is moved and the tip of the sliding nozzle 5 is separated from the bullet set in the predetermined position and the bullet is fired, the sliding nozzle 5 slides forward by the elastic force of the pull-back spring 6, Since the tip of the sliding nozzle 5 is brought into close contact with the bullet set in the position so that the air in the air pump 1 passes through the sliding nozzle 5 and is blown to the bullet, the toothless gear 8 Repulsion spring 3 by rotation of
The elastic force can be added to and accumulated in, and by releasing this elastic force,
The pump pressing body 2 causes the air pump 1 to contract abruptly, and the air in the air pump 1 is instantaneously ejected from the ejection port at the tip to forcefully eject (fire) the bullet. . That is, unless the processing accuracy of the air cylinder or piston is increased as in the conventional bullet firing device, air leakage may occur and the bullet may not be fired strongly, or the airtightness of the piston may be increased. There is no fear that smooth (light) operation will not be possible, and the cost of the bullet launcher S part in the toy gun will be significantly reduced compared to the past without reducing the flight distance of the bullet. You will be able to
(It can be reduced from about 1/60 to about 1/200), which is very economical. Moreover, the bullet firing device S can be constructed very simply, small and compact, and the bullet firing device S can be built into a toy gun very easily, easy to handle, easy to manufacture, and suitable for mass production. , It will be possible to offer toy guns of all types at a fairly low price.

In particular, a sliding nozzle 5 is mounted on the tip of the air pump 1 so as to be slidable in the front-rear direction via a spacer, and an elastic force is constantly applied in the direction in which the sliding nozzle 5 moves forward. An air suction mechanism including an urging pull-back spring 6 and an operating rod 9 having one end attached to the sliding nozzle 5 and the other end connected to the toothless gear 8 is formed. When the suction nozzle is sucked, the sliding nozzle 5 slides backward through the actuating rod 9 against the elastic force of the pullback spring 6, and the tip of the sliding nozzle 5 moves from the bullet set at a predetermined position. When the parts are separated and fire a bullet, the sliding nozzle 5 slides forward by the elastic force of the pullback spring 6, and the tip of the sliding nozzle 5 comes into close contact with the bullet set at a predetermined position. The air inside the air pump 1 Since it is configured to pass through the inside of the nozzle 5 and be blown to the bullet, the tip of the sliding nozzle 5 can be separated from the bullet when the air is sucked into the air pump 1, and the air into the air pump 1 can be released. Can be sucked in reliably, smoothly and quickly, and when the bullet is fired, the tip portion of the sliding nozzle 5 is brought into close contact with the bullet, and the blowing pressure of air in the air pump 1 is increased. Can be transmitted to the bullet without waste, and a sufficient flight distance of the bullet can be obtained.

[Brief description of drawings]

FIG. 1 is a schematic front view showing an operating state of a bullet firing device for a toy gun.

FIG. 2 is a schematic front view showing an operating state of a bullet firing device for a toy gun.

FIG. 3 is a schematic front view showing an operating state of a bullet firing device for a toy gun.

FIG. 4 is a schematic front view showing an operating state of a continuous firing switching mechanism of the toy gun.

FIG. 5 is a schematic front view showing an operating state of a continuous firing switching mechanism of the toy gun.

FIG. 6 is a schematic front view showing an operating state of the continuous firing switching mechanism of the toy gun.

FIG. 7 is a perspective view showing an operating state of the continuous firing switching mechanism of the toy gun.

FIG. 8 is a cross-sectional view showing an operating state of the continuous firing switching mechanism of the toy gun.

[Explanation of symbols]

S Bullet launcher 1 Air pump 2 Pump pressing body 2a Rack portion 3 Repulsion spring 4 Spring support rod 5 Sliding nozzle 6 Pullback spring 8 Partial tooth gear 8a Teeth 8b Locking pin 8c Cam 9 Actuating rod 10 Motor 11 Gear train 20 Trigger 21 Switch Operating Piece 21a Pushing Part 22 Pullback Spring 23 Switch 25 Switching Oscillator 30 Swinging Piece 30a Pushing Protrusion 31 Pullback Spring

Claims (1)

(57) [Claims] 1. A bullet firing device for a toy gun, comprising: a bellows-shaped air pump which is expandable and contractible; a pump pressing member attached to a base end portion of the air pump; and a pump pressing direction in which the air pump is contracted. Engages the elastic spring that constantly applies elastic force to the body and the rack part provided on the pump pressing body.
And the rotation of the pump pushes the pump pressing body
A gap that allows the ring to slide backward intermittently against the elastic force of the ring.
It is equipped with a toothed gear, and by releasing the elastic force accumulated in the elastic spring, the air pump is contracted via the pump pressing body, and the air in the air pump is ejected from the ejection port at the tip . Use blowing pressure
The air pump.
Slides in the front-rear direction on the tip part of the through a spacer.
The freely mounted sliding nozzle and the sliding nozzle move forward.
Pullback spring that constantly urges elastic force in the direction of movement
And one end is attached to the sliding nozzle and the other end is connected to the toothless gear.
Forming an air suction mechanism with a working rod connected to it,
Sliding when sucking air into the air pump
The nozzle can resist the elastic force of the pullback spring through the operating rod.
Then slide backwards to see if the bullet is set in place.
When firing the bullet when the tip of the sliding nozzle separates from
In addition, the sliding nozzle is driven by the elastic force of the pullback spring.
Sliding forward, sliding on the bullet set in place
The tip of the nozzle is in close contact with the air inside the air pump.
A bullet firing device for a toy gun, characterized in that the bullet passes through a sliding nozzle and is blown to a bullet .