JP2003000827A - Game ball shooting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To shoot out a game ball properly by unitization. SOLUTION: In unitized structure obtained by fitting a shooting rail 1, a hammer 2 and a driving source 4 to a device base 5 as a unit, in a state where a positional relation between a moving direction conversion lever 3 and the hammer 2, a positional relation between the lever 3 and an electromagnetic solenoid 4 and a positional relation between the center axis of the hammer 2 and a length axis L into which the ball is shot out are secured properly and a ball P is received by the rail 1 and the hammer 2, when the solenoid 4 rapidly attracts a plunger 13 with magnetic force generated by supplied power, the plunger 13 is moved forward to hit the lower arm 17 of the lever 3 while compressing a plunger spring 14, the lever 3 is rotated with a lever axis 19 as a center and the hammer 2 shoots out the ball P, compressing a hammer spring 9.

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. 5 shows a game ball launching device disclosed in Japanese Patent Publication No. 7-1212302, in which a movable lever 102 rotated by a motor 101 is provided at a rear end portion of a launch rail 103 with a hammer 104. The hammer 104 is a rotary type that hits the ball P by hitting.

[0003]

However, in the above-mentioned conventional example, the motor 101 having the movable lever 102 and the hammer 10 are provided.
Since the launch rail 103 including 4 is separately configured and attached to the gaming machine frame separately, the movable lever 102 and the hammer 104 must be properly secured in the positional relationship before being attached to the gaming machine. , The ball P cannot be properly launched, and the movable lever 102 and the hammer 104
There is a problem in that a great amount of labor and time are required to properly secure the positional relationship with and to mount the game machine.

Therefore, the present invention provides a game ball launching device which can be appropriately launched by unitizing.

[0005]

According to the present invention, the firing rail, the hammer, and the drive source are attached to the apparatus base as a unit, so that the firing rail, the hammer, and the hammer and the drive source are in a positional relationship. Also, the positional relationship between the center axis of the hammer and the travel axis of the ball on the firing rail can be appropriately secured, and the hammer can hit the ball in an appropriate direction. Further, since the drive source is arranged laterally offset from the path axis of the ball on the launch rail, it is possible to form a small outer dimension in the direction parallel to the path axis of the ball in the game ball launching device. it can.
In the present invention, the rear end portion of the launch rail is provided with a hammer mounting portion, the side portion of the hammer mounting portion is provided with a device base, and a drive source is attached to the device base. Can be secured more appropriately. In the present invention, if the firing rail is bent and formed on the base body provided with the device base, the positioning of the firing rail and the hammer unit can be made more accurate as compared with the structure in which the separate firing rail is attached to the base body. You can In the present invention, the movement direction conversion lever is rotatably attached to the device base, and one end portion of the movement direction conversion lever is driven by the drive source so that the other end portion of the movement direction conversion lever transmits the hammering force to the hammer. In this case, a gap is formed either between the movement direction changing lever and the driving source or between the movement direction changing lever and the hammer, and the firing rail, the hammer, the movement direction changing lever, the driving source, etc. are formed in the gap. It is possible to absorb an assembly error within an allowable range when a plurality of individual parts are attached to the apparatus base as a unit.

[0006]

1 and 2 show the first embodiment, FIG. 1 shows the front of the game ball launching device, and FIG. 2 shows the game ball launching device in an exploded manner. The game ball launching device will be described with reference to FIG. Game ball launcher is launch rail 1
The hammer 2, the movement direction conversion lever 3 and the electromagnetic solenoid 4 as a drive source are attached to the apparatus base 5 as a unit. In the hammer unit 6 fixed to the launch rail 1, the unit case 7 has a hammer 2 inside.
And the bearing 8 and the hammer spring 9 are stored. The tip portion of the hammer 2 penetrates the front wall of the unit case 7 and projects forward. The intermediate portion of the hammer 2 is supported by a bearing 8 so as to be movable in the front-rear direction coaxially with the travel axis L of the ball P on the firing rail 1. A hammer spring such as a coil spring mounted around the hammer 2 between the bearing 8 and the spring receiving portion 10 protruding radially outward from the rear end portion of the hammer 2 protruding rearward from the bearing 8. 9 is inserted. Due to the spring force of the hammer spring 9, the spring receiving portion 10 enters the inside of the unit case 7 from the outside of the unit case 7 via the through hole 11 formed in the rear wall 31 of the unit case 7. It is received by the upper arm 12. Bearing 8
Is a ball bearing in which a large number of spheres are juxtaposed in a direction parallel to the axial direction of the launch rail 1.

Then, the supply of electric power to the electromagnetic solenoid 4 is cut off, and the plunger 13 of the electromagnetic solenoid 4 is retracted by the spring force of the plunger spring 14 (so that the hammer 2 hitting the ball returns by the spring force of the hammer spring 9). When the shock absorber 15 of the electromagnetic solenoid 4 is in contact with the yoke 16, the lower arm 17 and the plunger 13 of the movement direction conversion lever 3 are separated from each other, and the movement direction conversion lever 3 moves. The upper arm 12 and the hammer 2 come into contact with each other, and the movement direction conversion lever 3 is received by the stopper 18 formed by bending from the device base 5 by the spring force of the hammer spring 9 that returns the hammer 2 to the initial position. It is regulated so as not to move backward (moving in a direction in which the hammer 2 hitting the ball returns so as to be returned by the spring force of the hammer spring 9). It is. A gap D is formed between the lower arm 17 of the movement direction conversion lever 3 received by the stopper 18 and the plunger 13 retracted by the spring force of the plunger spring 14.

In the state where the hammer 2 is stopped at the retracted position, the ball P supplied to the game ball launching device as shown in FIG. 1 is inclined on the launch rail 1 in the direction of the hammer 2 on the launch rail 1. It is received by the downflow launch rail 1 and the hammer 2. After that, the electromagnetic solenoid 4 abruptly attracts the plunger 13 by the magnetic force formed by the supplied electric power and moves forward (moves in a direction in which the hammer 2 operates to strike the ball P against the spring force of the hammer spring 9). Then, the plunger 13 strikes the lower arm 17 of the movement direction conversion lever 3 while compressing the plunger spring 14, and the movement direction conversion lever 3
Rotates about the lever shaft 19, and the hammer 2 compresses the hammer spring 9 by the forward movement of the upper arm 12 and hits the ball P placed on the ball firing rail 1. Then, when the power supply to the electromagnetic solenoid 4 is cut off, the plunger 13 returns to the initial position by the spring force of the plunger spring 14,
The hammer 2 returns to the initial position by the spring force of the hammer spring 9.

The components of the game ball launching device will be described with reference to FIG. The firing rail 1 and the device base 5 are formed on a base body 21 composed of a strip-shaped horizontal piece portion and a plate-shaped vertical piece portion bent downward from one length side of the horizontal piece portion. The firing rail 1 is bent and formed upward in a V-shape in the front portion of the horizontal piece portion, so that the punching hole 22 for forming the firing rail 1 remains in the horizontal piece portion.
A hammer mounting portion 23 is provided on the rear side portion of the lateral piece portion. The hammer mounting portion 23 has a pair of front and rear position determining holes 24.
And a pair of left and right through holes 25. Then, the position determining projection 26 provided on the unit case 7 of the hammer unit 6 is inserted into the position determining hole 24 from above, and the hammer unit 6 is fitted into the hammer mounting portion 23 of the position determining hole 24 and the position determining projection 26. The set screw 27 is mounted in a state of being positioned by the screw hole 29 formed in the bracket 28 of the unit case 7 from below through the through hole 25.
The hammer unit 6 is fastened to the hammer mounting portion 2
It is fixed at 3. A rear wall 31 is bent upward at the rear edge of the lateral piece portion of the base body 21, and a stopper 18 faces the rear wall 31 at a predetermined interval behind the rear wall 31 at the upper edge of the rear wall 31. Is formed by bending. Back wall 3
1, a lever escape hole 32 is formed at a position corresponding to the through hole 11 formed in the unit case 7 fixed to the hammer mounting portion 23.

A solenoid mounting hole 33 is formed in the device base 5 which is a vertical piece of the base body 21, and the electromagnetic solenoid 4 is provided.
Is arranged below the lateral piece of the base body 21, and the set screw 34
Is fastened to a screw hole (not shown) formed in the yoke 16 of the electromagnetic solenoid 4 through the solenoid mounting hole 33, and the electromagnetic solenoid 4 is fixed to the device base 5. The device base 5 is fixedly provided with a lever shaft 19 on a protruding portion 35 extending rearward so as to protrude to the same side as the electromagnetic solenoid 4. The movement direction conversion lever 3 is rotatably fitted into the lever shaft 19. In the annular groove 36 formed in the lever shaft 19 protruding from the movement direction changing lever 3, the movement direction changing lever 3
A retaining ring 37 is attached to prevent the falling off. As a result, the game ball launching device in which the launching rail 1, the hammer 2, the movement direction changing lever 3 and the electromagnetic solenoid 4 shown in FIG. 1 are attached to the device base 5 as a unit is assembled. This assembled game ball launching device is used for a pachinko machine by being attached to the launching device mounting portion of the gaming machine frame (not shown) using the device mounting hole 38 as a device mounting portion formed in the device base 5. It

According to the first embodiment, the hammer unit 6 in which the hammer 2 is built in the base body 21 having the firing rail 1, the device base 5, the hammer mounting portion 23, the stopper 18, the lever shaft 19, the device mounting hole 38 and the like. Since it has a unitized structure in which a plurality of individual parts such as the movement direction conversion lever 3 and the electromagnetic solenoid 4 are attached as one unit, the positional relationship between the movement direction conversion lever 3 and the hammer 2 and the movement direction conversion lever 3 And the electromagnetic solenoid 4 and the center axis of the hammer 2 and the travel axis L of the ball hit
It is possible to appropriately secure the respective positional relationships with and, and the hammer 2 can strike the ball in an appropriate direction. By mounting the base 21 to which the plurality of individual components are mounted on the game machine frame (not shown), the game ball launching device can be easily mounted on the game machine frame. Since the firing rail 1 is provided on the lateral piece portion of the base body 21 and the electromagnetic solenoid 4 is attached to the vertical piece portion of the base body 21, the electromagnetic solenoid 4 is positioned laterally of the path L of the ball on the firing rail 1. Since they are arranged in a staggered manner, the outer dimensions of the game ball launching device in the direction parallel to the path axis L of the ball can be formed small.

The launch rail 1 is bent upward in a V-shape in the front portion of the horizontal piece portion of the base body 21, while the hammer unit 6 is formed in the rear side portion of the horizontal piece portion of the base body 21. Therefore, the base 21
The position of the firing rail 1 and the hammer unit 6 is more accurate than in the case where the firing rail 1 formed separately is attached. The device base 5 is formed on the vertical piece portion of the base body 21, while the lever shaft 19 is formed on the protruding portion 3 of the vertical piece portion.
Since the structure is fixedly formed on the device 5, the device base 5
The position of the electromagnetic solenoid 4 attached to the and the movement direction conversion lever 3 attached to the lever shaft 19 becomes accurate. A stopper 1 provided with a base 21 on which a movement direction conversion lever 3 for receiving a hammer 2 pushed by a hammer spring 9 is provided.
Since the structure is received by 8, the initial position where the hammer 2 and the movement direction changing lever 3 and the stopper 18 contact each other and the launch distance of the hammer 2 by the movement direction changing lever 3 can be appropriately secured. The flight distance of the struck ball is accurate. At the initial position of the electromagnetic solenoid 4,
A gap D is formed between the plunger 13 and the movement direction conversion lever 3.
Since the plurality of individual components are formed, the gap D absorbs an assembly error within a permissible range when the plurality of individual components are attached to the device base 5 as one unit, so that the plurality of individual components can be attached without difficulty.

In the first embodiment, the vertical piece portion on which the device base 5 is formed is bent at a right angle below the horizontal piece portion on which the firing rail 1 is formed, but the vertical piece portion is bent above the horizontal piece portion. The bending angle between the horizontal piece and the vertical piece may be obtuse or acute. That is, as shown in FIG. 3, the device base 5 for mounting the electromagnetic solenoid 4 can be similarly applied as long as it is the periphery S of the path axis L within a range where it does not interfere with the hammer unit 6 and the firing rail 1. In the first embodiment, the electromagnetic solenoid 4 that performs linear motion as a drive source
However, it is also possible to omit the movement direction conversion lever 3 by using a rotary drive source that performs rotary movement. In the first embodiment, the movement direction changing lever 3 is hit by the plunger 13, but as shown in FIG. 4, the movement direction changing lever 3 can be pushed or pulled by the plunger 13.
It is also possible to connect the movement direction conversion lever 3 and the plunger 13. The connection structure between the movement direction conversion lever 3 and the plunger 13 is not limited to that shown in FIG. 4, and may be formed by combining a long hole and a pin.

[Brief description of drawings]

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

FIG. 2 is an exploded perspective view showing the game ball launching device of the first embodiment.

FIG. 3 is a schematic diagram showing an arrangement of drive sources according to a second embodiment.

FIG. 4 is a front view showing a connecting structure according to a third embodiment.

FIG. 5 is a schematic diagram showing a conventional example.

[Explanation of symbols]

1 launch rail 2 hammer 3 Movement direction conversion lever 4 Electromagnetic solenoid (drive source) 5 Equipment base 21 Base

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Masashi Inoue             8 304-1 Hirosawa-cho, Kiryu-shi, Gunma             Heiwauchi Co., Ltd. F-term (reference) 2C088 BA39 DA10 EA34

Claims (4)

[Claims] 1. A launch rail, a hammer disposed behind the launch rail to strike a ball on the launch rail, and a hammer disposed on the launch rail laterally offset from the path of the ball. A game ball launching device, characterized in that a drive source for giving a force is attached to the device base as a unit. 2. A hammer mounting portion is provided on the rear side of the firing rail, and a device base is provided on a side portion of the hammer mounting portion,
2. The game ball launching device according to claim 1, wherein a drive source is attached to the device base. 3. The game ball launching device according to claim 1, wherein the launching rail is formed by bending a base body provided with a device base. 4. A motion direction conversion lever is rotatably attached to the device base, and one end of the motion direction conversion lever is driven by a drive source so that the other end of the motion direction conversion lever transmits a hammering force to a hammer. The game ball launching device according to claim 1, characterized in that.