JP2003062188A - Game ball shooting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To stabilize shooting of a ball by reducing resistance when shooting the ball. SOLUTION: In the initial state of cutting the supply of power to a solenoid 4, moving a plunger 14 of the solenoid 4 backward by the tensile force of a recovery spring 19 and contacting a front side impulse absorber 16 of the solenoid 4 to a yoke 12, a ball fed to a game ball shooting device 1 is received to be supported from the downside by a hammer 17 fixed on a hammer supporting rod 15 attached to the plunger 14. Afterwards, the plunger 14 is rapidly attracted and moved forward by the solenoid 4 with magnetic force formed by the supplied power and a rear side impulse absorber 20 collides with the yoke 12 so that a ball is shot out by the hammer 17 like the shot-put.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for hitting a ball with an electric drive source in a pachinko machine.

[0002]

2. Description of the Related Art FIG. 4 shows a game ball launching device disclosed in Japanese Patent No. 2611126, in which a hammer 102 rotated by a motor 101 is a rotary type for hitting a ball P in an arrow X2 direction.

[0003]

However, in the above-mentioned conventional example, the arc-shaped partition wall 10 surrounding the sphere P that is hammered out by the hammer 102 is used.
3 and the firing rail 104 connected to the tip of the arc-shaped partition wall 103 have a structure for guiding the sphere P in a predetermined direction. Therefore, the resistance when the ball is struck by rubbing the arc-shaped partition wall 103 and the firing rail 104 is large, There is a problem that the flight is not stable.

Therefore, the present invention provides a game ball launching device capable of stabilizing the ball jump by reducing the resistance when the ball is launched.

[0005]

According to the present invention, a hammer formed in such a shape as to receive a ball is attached to a tip end portion of a driving body of an electromagnetic solenoid so that the hammer puts a ball into a shot by the electromagnetic solenoid. The number of parts that are rubbed when the ball is fired is reduced, the resistance when the ball is fired is reduced, and the ball flying can be stabilized. Further, in the present invention, if the hammer is formed to support the ball from below, the resistance when the ball is fired can be further reduced.

[0006]

1 and 2 show a first embodiment, FIG. 1 shows an appearance of a game ball launching device 1, and FIG. 2 shows a game machine frame 21 incorporated in the game ball launching device 1. The front of is shown.

The gaming ball launching device 1 will be described with reference to FIG. The game ball launching device 1 includes a mechanism base 2, a solenoid mount 3, and an electromagnetic solenoid 4 that constitutes a launch drive source. The solenoid mount 3 is attached to the mechanism base 2 so as to be movable along the guide rail 5 in the ball firing direction. The guide rail 5 has a set screw 6 and a mechanism base 2
Fixed to. The electromagnetic solenoid 4 is fixed to the solenoid mount 3 with a set screw (not shown). Solenoid mount 3
A front damper 8 and a rear damper 9 are provided at a support portion 7 movably fitted in the guide rail 5 and an intermediate portion of the guide rail 5. The slider 10 fixed to the solenoid mount 3 and the roll guide 11 fixed to the mechanism base 2 are fitted to each other so that they can move to the rear of the ball firing. The exciting coil 13 is fixedly provided inside the yoke 12 of the electromagnetic solenoid 4, and the plunger 14 is inserted into the axial center of the exciting coil 13 so as to be movable in the axial direction.
A hammer 17 formed in a shape to receive the front impact absorber 16 and a ball is fixedly provided at a tip end portion of the hammer support rod 15 coaxially coupled to the tip end of the plunger 14 and protruding outward from the yoke 12. York 12 and York 1
A return spring 1 formed of a coil spring is provided between the spring stop 18 joined to the plunger 14 protruding rearward from the position 2
The rear impact absorber 20 is fixed to the plunger 14 inside which 9 is arranged and surrounded by the return spring 19. The bent portion 19a formed at the front end of the return spring 19 is the yoke 1
2, the bent portion 19b formed at the rear end of the return spring 19 is inserted into the hole (not shown) formed in FIG. Is regulated so that the portion of the hammer 17 that receives the ball is always kept in the upward state.

The gaming machine frame 21 will be described with reference to FIG. The gaming machine frame 21 is a frame-shaped fixed frame 22 called an outer frame fixed to an island of a game shop such as a pachinko parlor, and a movable frame 23 formed in a frame shape called a front frame is laterally frontward by a hinge 24. The movable frame 23 is provided with a panel frame 25, a shelf 26 called a front plate, an upper plate device 27, a lower plate device 28, and a ball firing operation unit 29 called a handle grip. The game ball launching device 1 is attached to the shelf 26. Then, in a state where the panel frame 25 and the upper plate device 27 are opened as shown in the figure, a game board 31 which is a game main body called G board is mounted on the shelf 26 and stored in the movable frame 23. After that, the upper plate device 27 and the panel frame 25 are closed, so that the game board 31 is covered with the transparent panel 30 made of glass or synthetic resin attached to the panel frame 25 and the game machine frame 2
While being visible from the front side of 1, the shelf 26 and the game ball launching device 1 are covered with the upper plate device 27 and disappear from the front side of the gaming machine frame 21. An inner side surrounded by a spiral guide rail 32 is formed as a game area on the design board surface of the game board 31. The shelf 26 has a foul ball intake 33.

According to the structure of the first embodiment, in FIG. 1, the supply of electric power to the electromagnetic solenoid 4 is cut off, the plunger 14 of the electromagnetic solenoid 4 is retracted by the spring force of the return spring 19, and the electromagnetic solenoid 4 moves. In the initial state in which the front shock absorber 16 contacts the yoke 12, the ball supplied to the game ball launching device 1 is received by the hammer 17 so as to be supported from below. Then, the electromagnetic solenoid 4 abruptly attracts the plunger 14 by the magnetic force formed by the supplied power to move forward, the plunger 14 moves forward while compressing the return spring 19, and the rear impact absorber 20 collides with the yoke 12. As a result, the hammer 17 hits the ball like a shot put. Then, when the power supply to the electromagnetic solenoid 4 is cut off, the plunger 14 returns to the initial position by the spring force of the return spring 19. Since the hammer 17 supports the ball from below, the contact between the hammer 17 and the ball is reduced, and the resistance when the ball is fired can be reduced. The ball that has been hit and launched from the game ball launching device 1 in FIG. 2 passes through the space between the game ball launching device 1 and the guide rail 32 without touching the shelves 26 and guide rails 32.
After jumping on, the player is guided by the guide rail 32 to reach the game area.

FIG. 3 shows the game ball launching device 1 of the second embodiment, in which a bearing 35 is fitted on the portion of the hammer support rod 15 located between the front shock absorber 16 and the yoke 12, and the bearing 35 is attached. Bearing cover 36 for supporting
Is fixed to the yoke 12 with a set screw 37 to prevent the hammer 17 from swinging. The bearing 35 is a ball bearing in which a large number of spheres are arranged side by side in the moving direction of the hammer support rod 15.

In FIG. 2, the game ball launching device 1 is shown as a game machine frame 21.
Although it is arranged on the right side of the table to shoot the ball diagonally upward to the left, it is also applicable to a structure in which the game ball launching device 1 is located on the left side of the gaming machine frame 21 and shoots the ball upward. it can. In that case, if the hammer 17 has a conical shape whose diameter increases from the bottom to the top,
Can receive the ball properly. The symbol P in FIG. 2 is a sphere.

In each of the above-described embodiments, the return spring 19 is used to prevent the plunger 14 from rotating in the circumferential direction. However, the fitting portion between the yoke 12 and the plunger 14 and the fitting between the yoke 12 and the hammer support rod 15 are performed. Part, hammer support rod 15
In the fitting portion between the bearing cover 36 and the bearing cover 36, it is similarly applicable to prevent the plunger 14 from rotating in the circumferential direction by fitting the concave portion and the convex portion.

[Brief description of drawings]

FIG. 1 is a perspective view showing a game ball launching device of a first embodiment.

FIG. 2 is a front view showing the game ball launching device of the first embodiment.

FIG. 3 is a partially cutaway front view showing a game ball launching device of a second embodiment.

FIG. 4 is a schematic diagram showing a conventional example.

[Explanation of symbols]

1 game ball launcher 4 electromagnetic solenoid 14 Plunger (driving body) 15 Hammer support rod (driver) 17 hammer

Claims (2)

[Claims] 1. A game ball launching device, characterized in that a hammer formed into a shape for receiving a ball is attached to a tip end of a driving body of an electromagnetic solenoid constituting a driving source for launching a ball. 2. The game ball launching device according to claim 1, wherein the hammer is formed in a shape to support the ball from below.