JPH0615050A - Rear mechanism board of japanese pinball game @(3754/24)pachinko) machine - Google Patents

Abstract

PURPOSE:To keep balls falling from a ball tank from hitting the rear part of equipment with easier wiring even when the rear part of the equipment sticks out largely to the rear side of a game board, by a method wherein an opening piercing the rear end part of the equipment mounted on the game board is provided almost at the center of a rear mechanism plate and the top surface of a cover forming a bulging part is made slant. CONSTITUTION:A base frame body 14 is made of a synthetic resin by an injection molding. An upright piece 24 is erected on the front side of a wall surface part 21 to form a wire housing space part 25 for housing wires sideways and a lug piece 26 is molded integrally inwardly from the front end rim of the upright piece 24 to form an anchor member for wiring to be placed in the wire housing space part 25. A cover body 15 covering the opening 13 of the base frame body 14 is almost a box body with the front thereof opened while the center part thereof is bulged to the rear. A slant surface 39 inclined slightly downward toward the rear is formed on the top surface of the box body, a vent hole 41 on a slit is opened on the rear side of the bulging part 40 and a notch part 42 is formed on the underside part to insert the wires therethrough. Then, a hinge part 45 is formed integral on one side of the cover body 15 while a stopper 46 is mounted on the other side thereof.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a back mechanism board of a pachinko machine provided behind a game board and provided with a ball discharging mechanism for discharging balls stored in a ball tank.

[0002]

2. Description of the Related Art A pachinko machine treats a pachinko ball that has won a winning hole of a game board as a winning ball, and based on the occurrence of the winning ball, the pachinko ball that is derived from a ball tank is given to a predetermined number by a ball discharging device. Discharge as a sphere. For this reason,
On the back side of the pachinko machine, a back mechanism board equipped with a back mechanism such as a ball tank and a ball discharging device for discharging the pachinko balls drawn from the ball tank is provided behind the game board. Then, the conventional back mechanism board has an opening in the center, and accommodates the rear part of the center accessory or the like projecting to the back side of the game board in this opening, and the back opening of this opening is flat. The cover is covered and closed.

[0003]

However, in the recent pachinko machines, since the center accessory, the variable prize winning device and the like tend to be large, the rear portion of the device projecting to the back side of the game board is also large, and the conventional game machines are large. It is difficult to store it in the opening of the back mechanism board. For this reason, it becomes difficult to cover the opening of the back mechanism board with a flat cover, and the rear part of the device penetrates the back mechanism board and projects to the back side. When the rear parts of the equipment such as the center accessory and the variable prize device are projected to the back side of the back mechanism board, the lead wires of these equipments are also exposed at the rear part. Therefore, for example, a ball spilled from a ball tank often hits the rear part of the device or a lead wire and causes a failure.

[0004]

The present invention was developed in view of the above, and is a ball discharging mechanism which is arranged behind a game board having a winning ball collecting gutter and discharges a pachinko ball drawn out from a ball tank. In a back mechanism board of a pachinko machine provided with a portion, an opening is formed in a substantially central portion for penetrating a rear end portion of a device attached to the game board and protruding to the back surface of the game board, and a cover body covering the opening. Attached to the opening so that it can be opened and closed,
The cover body is a back mechanism board of a pachinko machine, characterized in that a bulging portion is formed by arranging a space capable of accommodating wiring between the back surface of the prize ball collecting gutter and the inner surface of the cover.

[0005]

[Function] When the cover body is closed, it is possible to cover the rear portion of the device protruding from the back side of the game board and close the opening,
Even in this state, since a space is secured between the device and the cover body, the wiring can be stored in this space.

[0006]

Embodiments of the present invention will be described below with reference to the drawings. The pachinko machine 1 has a front frame 2 as shown in FIG.
Provided below the window portion of the supply plate 3, a receiving plate 4 for receiving the balls overflowing from the supply plate 3, the operation unit 6 of the hitting ball launching device 5, etc., and a game board 9 in which a game area 8 partitioned by the guide rails 7 is formed. The front frame 2 is mounted so as to close the window from the back side, and the back mechanism board 10 is provided behind the game board 9. In addition, the game board 9 is provided with a wide prize winning ball collecting gutter 11 corresponding to the width of the game area 8 on the back surface, wins a prize device 12 arranged in the game area 8 and appears on the back side of the game board 9. The balls which have become safe balls are collected by the prize ball collecting gutter 11.

The back mechanism board 10 is a synthetic resin base frame body 14 in which an opening 13 of a size capable of fitting a winning ball collecting trough 11 on the back surface of the game board 9 is opened in the center, and the base frame body. The cover body 15 covers the opening 13 of the base frame 14 and a mechanism unit which is attached to a predetermined portion of the base frame body 14 to form various units. The base frame body 14 has a claw or a recess for attaching each mechanism body. Along with the formation, the flow path of the sphere is also formed. In addition to the sphere tank 16 that stores the spheres, the sphere derivation gutter 17 that guides the spheres from the sphere tank 16 while aligning the spheres, a predetermined number of spheres derived by the sphere derivation gutter 17 flow down to the mechanism body. Sphere discharge mechanism 18, flow path switching mechanism 19 for switching the flow path of the sphere flowing down by the sphere discharge mechanism 18, safe sphere detection for detecting one safe sphere collected by the winning sphere collecting gutter 11 There is a ball processing unit such as the mechanism section 20,
The ball discharging mechanism 18 and the flow path switching mechanism 19 are related to the pachinko ball discharging operation.

The base frame body 14 is made of a synthetic resin such as ABS by injection molding, and as shown in FIG. 4, a substantially square wall surface extending substantially parallel to the front frame 2 and the game board 9. Part 21
On the four sides of the opening 13. Then, on the wall surface portion 21 located above the opening portion 13, a tank recess 22 for fitting the ball tank 16 therein, a ball deriving trough mounting boss, a power supply recess 23 for mounting a power supply substrate, etc. are formed. On the front surface side of the portion 21, standing pieces 24, 24 are erected to form a first wiring accommodating empty portion 25 for accommodating wiring in the lateral direction.
By integrally molding the ear pieces 26 inward from the front end edges of the wires 4, 24, a fixing member for the wiring that faces the inside of the first wiring housing cavity 25 is formed. In addition, a plurality of opening portions 27 ... In which a connector is fitted are formed in the wall surface portion 21 near the power source recess 23.

On one side of the base frame 14, a pair of vertically long side wall surfaces 28, 28 are provided upright from the wall surface portion 21 with a predetermined width so that the upper end thereof communicates with the first wiring accommodating space 25. A vertically long second wiring storage space 29 is formed.

Further, on the other side of the base frame body 14, as shown in FIG. 5, a fitting concave portion 30 for fitting the ball discharging mechanism portion 18 and the flow path switching mechanism portion 19 is formed in a series of upper and lower portions, and Fitting recess 30
A side wall 32 having locking claws 31 ... Is erected on one side, and a locking member 33 is projectingly provided below the fitting concave portion 30.
The discharge ball flow-down passage 34 and the upper portion of the ball discharge passage are formed below 0, and the fitting recess 30 and the ball discharge control circuit 35 arranged below the fitting recess 30 from immediately below the power recess 23. The covering member 36 that can cover up to the above can be fixedly attached, and the ball discharging mechanism section 18 and the flow path switching mechanism section 19 mounted in the fitting recess 30.
A wiring space of a predetermined size can be formed between the back surface of the above and the inner surface of the covering member 36. The locking claw 31 and the locking member 33 described above are provided to hold the ball discharging mechanism 18 and the flow path switching mechanism 19 fitted in the fitting recess 30 so as not to come off.

Further, bearings 37, 37 for rotatably supporting the cover body 15 are provided on one side of the opening edge of the base frame body 14, and a fixing hole 38 is formed on the other side.

A cover body 1 for covering the opening 13 of the base frame body 14.
Reference numeral 5 denotes a substantially box body made of plastic whose front surface is greatly opened and whose central portion is largely bulged rearward. An upper surface is formed with an inclined surface 39 which is slightly downwardly inclined rearward. Slit-shaped ventilation holes 41 are opened on the back surface of the projecting portion 40, and a cutout portion 42 for passing wiring is formed on the lower surface portion. Then, on one side of the cover body 15, two hinged portions 45, in which the support shaft 44 is projected downwardly on the projecting piece 43, are integrally formed on the upper and lower sides, and on the other side, a fastener 46 is provided as a locking portion. Install.

The bulging portion 40 of the cover body 15 is
Even if the rear portion of the variable display device 47 or the like protruding to the back side of the game board 9 is housed, it has a sufficient bulging depth so that a space for housing wiring can be secured between these. Further, the bulging portion 40 is not limited to a large one, and a plurality of bulging portions 40 may be formed in relation to the variable display device 47 and other devices.

In order to attach the cover body 15 having the above-mentioned structure to the base frame body 14, first, the hinged portions 45, 45 on one side are formed.
The support shafts 44, 44 are loosely fitted from above into the bearing holes formed on one side of the opening 13, and then the other end, which is the free end side, is pressed against the base frame body 14 side to secure the fastener 46. The tip of the fastening member 46 is expanded and stopped by pushing the knob of the fastening member 46 into the fastening hole 38 at the opening edge of the base frame 14 and pushing it in. In addition, the wiring 48 of the variable display device 47 and the wiring 50 of the relay terminal 49 attached to the game board 9 secure a sufficient space inside the cover body 15 by the bulging portion 40, and the cover body is also provided. Since it passes through the inside of the notch 42 formed on the lower surface of the base 15, there is no problem even if the opening 13 of the base frame 14 is covered with the cover 15.

When the cover body 15 is attached to the base frame body 14 and the opening 13 is covered in this manner, the rear portion of the variable display device 47 which largely projects to the back side of the game board 9 is covered with the cover body 15.
Can be stored in the bulging portion 40. Therefore,
Even if the sphere spills out of the sphere tank 16, the sphere does not hit the variable display device 47, and the sphere that has fallen on the upper surface of the cover body 15 is made to flow backward by the inclined surface 39, so that the sphere falls. To stay on the top surface of.

Further, on the back mechanism board 10 below the cover body 15, a game control circuit 51 and a hit ball firing control circuit 5 are provided.
2, devices such as the ball discharge control circuit 35 are attached, but since the rear end of the bulging portion 40 of the cover body 15 extends rearwardly of these devices, the ball tank 16 can remove the balls. Even if it spills, it is possible to prevent the ball from hitting these devices.

When the pachinko machine 1 is operated with the opening 13 of the base frame 14 covered with the cover body 15, the cover body 15 is operated by the operation of the variable display device 47, the center accessory, or the lighting of the decorative lamp. Although heat is generated inside, the heat is discharged to the outside through the vent holes 41, so that the inside is not heated.

Even if the opening 13 of the base frame body 14 is covered with the cover body 15, if the cover body 15 is molded with transparent plastic, the state of the variable display device 47 from the outside and the state of equipment such as the center accessory. So you can monitor
It is possible to check the devices inside with the cover body 15 closed. When an internal device such as a center accessory fails, the cover member 15 can be opened around the hinge portion 45 by removing the fastener 46, so that the repair work can be easily performed. it can. Further, since the opened cover body 15 can be easily removed by manually lifting the support shafts 44 and 44 out of the bearing holes, the cover body 15 does not interfere even when performing a large-scale work. Absent.

When the cover body 15 is made of conductive plastic, the variable display device 47, the center accessory itself and the wiring 48 thereof can be shielded, so that malfunction due to noise can be suppressed. Further, by disposing the control circuits described above inside the cover body 15, the circuit itself and the wiring in the middle can be shielded,
More effective.

[0020]

As described above, according to the present invention, since the opening of the back mechanism board is covered with the cover body, it is possible to protect the equipment protruding from the back side of the game board, and to carry the pachinko machine. It is possible to prevent an object from hitting on the way or during work such as maintenance and inspection at a game shop. Further, since the bulging portion is formed on the cover body, a sufficient space can be secured between the inner surface of the cover and the game board, the wiring process is facilitated, and the type of the device protruding from the back side of the game board is concerned. It can be versatile. Further, since the bulging portion is formed, the strength can be increased as compared with the flat cover body. Further, when the inclined surface is formed on the upper surface of the cover body, even if the spilled sphere falls from a ball tank or the like, it is possible to prevent the sphere from hitting a device arranged below the cover body. It is possible to prevent the ball from staying on the cover body. Further, since the cover body can be opened and closed, there is no hindrance to the work when inspecting or repairing the internal device such as the variable display device.

[Brief description of drawings]

FIG. 1 is a perspective view of a pachinko machine.

FIG. 2 is a rear view of the pachinko machine.

FIG. 3 is a side view of a pachinko machine.

FIG. 4 is a front view of a base frame body of a back mechanism board.

FIG. 5 is a perspective view of each sphere processing unit and a base frame.

FIG. 6 is a perspective view of the pachinko machine viewed from the back side with the cover body open.

FIG. 7 is a perspective view of a cover body.

[Explanation of symbols]

 1 Pachinko machine 2 Front frame 9 Game board 10 Back mechanism board 11 Prize winning ball gathering gutter 12 Prize winning equipment 13 Back mechanism board opening 14 Base frame body 15 Back mechanism board cover body 16 Ball tank 17 Ball derivation trough 18 Ball discharging mechanism Part 37 Bearing 38 Fastening hole 39 Sloping surface 40 Swelling part 41 Vent hole 42 Notch 45 Cover part hinge part 46 Cover part fixing tool

Claims (3)

[Claims] 1. A back mechanism board of a pachinko machine, which is disposed behind a game board having a winning ball collecting gutter and has a ball discharging mechanism section for discharging a pachinko ball discharged from a ball tank, wherein: An opening that penetrates the rear end of the device that is mounted and protrudes on the back surface of the game board is opened in the approximate center, and a cover body that covers the opening is attached to the opening so that the cover body can be opened and closed. A back mechanism board for a pachinko machine, characterized in that a bulging portion is formed by arranging a space capable of accommodating wiring between the back surface of the prize ball collecting gutter and the inner surface of the cover. 2. The back side mechanism board for a pachinko machine according to claim 1, wherein the upper surface of the bulging portion of the cover body is an inclined surface. 3. The pachinko machine according to claim 1, wherein the cover body is provided with a hinged portion on one side and a locking portion on the other side so as to be openable and closable around the hinged portion. Back mechanism board.