JPH08299557A - Control board shielding device for pachinko game machine - Google Patents

Abstract

PURPOSE: To provide a control board shielding device for a pachinko (Japanese pinball game) machine capable of making the protrusive quantity of a back cover and a control board case from a game panel to the rear side small and surely excluding malfunction due to the discharge phenomenon of a game ball passing a ball collection device on the lower side of the game panel. CONSTITUTION: The back cover 23 which covers game parts packaged on the upper side of the game panel 6 from the rear side is provided on the back surface side of the game panel 6, and also, the ball collection device 16 provided with a guide passage 39 to guide the game ball is provided on the back surface side lower part of the game panel 6, and the control board case 30 is arranged on the rear side of the game panel 6, and a control board on which electrical part to control a game operation is loaded is displayed in the control board case 30. The control board case 30 is arranged on the rear side of the ball collection device 16 so as to correspond to the ball collection device 16 in a depth direction, and a shielding plate 73 is provided on the front side of the control board case 30 so as to hold the front wall part 64 of the control board case 30 with the control board.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a control board shield device for a ball game machine such as an arrangement ball machine or a sparrow ball machine.

[0002]

2. Description of the Related Art In a conventional ball game machine, for example, an arrange ball machine, a arrange frame machine main body side is provided with a rectangular frame-shaped outer frame and a front frame pivotably attached to the outer frame. On the rear side of the front frame, there are provided a three-sided frame on which the game board is removably fitted from the rear side, and a back mechanism plate for pressing and fixing the game board fitted on the three-sided frame from the rear side. .

On the upper part of the front side of the game board, game parts such as an upper entrance, a passage, a central winning device, a variable symbol display device, and a right accessory operating device for increasing points are mounted, and each of these games is mounted. A laterally long opening is formed on the lower side of the component, and a back cover is mounted on the back side of the game board above the opening so as to cover the game component, the relay board, the wiring, etc. from the back side.

Then, a control board case is detachably attached to the rear wall of the back cover so as to also serve as the window cover of the inspection window, and electronic parts for controlling game operations are attached to the control board case. It contains the control board.

An opening window is formed in the back mechanism plate so that the back cover of the game board is fitted and protrudes rearward. The prize ball tank and prize ball tank rail are provided on the side of the opening window. When the lower ball entrance device is attached to the lower part of the prize ball paying-out means, and the game board is fixed by being pressed from the rear side by this back mechanism plate, the horizontal row of ball entrances of the lower ball entrance device are the game board. It is designed to project forward from the opening of the.

[0006]

In the conventional arrange ball machine, a control board case is provided on the rear wall of the back cover, and the control board is housed in the control board case. Since it is separated from the lower ball-entry device through which it passes, even if there is a discharge phenomenon that occurs between the game balls charged with static electricity, there is no fear that each electronic component of the control board will malfunction due to the noise.

However, since the control board case is attached to the rear wall portion of the back cover on the upper back side of the game board, the amount of protrusion from the game board to the rear end of the control board case becomes very large. There are various drawbacks as follows. That is, since the control board case is attached to the rear side of the back cover, the amount of rearward projection of the back cover itself must be suppressed to a small amount, and there is a drawback that the volume inside the back cover cannot be sufficiently secured. Therefore, the game parts such as the central winning device to be mounted on the game board,
The amount of protrusion from the game board to the rear will be small, and will be restricted by the back cover.

On the other hand, if the control board case is provided on the rear side of the lower ball entrance device, it is possible to secure a sufficient protruding height of the back cover, but the control board in the control board case is the lower ball entrance device. Since it is very close to the device, there is a problem that each electronic component of the control board malfunctions due to noise due to the discharge phenomenon of the game ball that passes through the lower ball entrance device.

Therefore, no matter how the projection height of the back cover can be increased, the control board case cannot be simply arranged near the rear side of the lower ball entrance device. The present invention
In view of such conventional problems, it is possible to reduce the amount of protrusion of the back cover and the control board case rearward from the game board, and surely perform the malfunction due to the discharge phenomenon of the game ball passing through the inside of the ball collecting device on the lower side of the game board. An object of the present invention is to provide a control board shield device for a ball game machine that can be prevented.

[0010]

According to the present invention as set forth in claim 1, a back cover 23 is provided on the back side of the game board 6 to cover the game components mounted on the upper side of the game board 6 from the rear side. At the same time, a ball collecting device 16 having a guide passage 39 for guiding the game balls is provided on the lower rear side of the game board 6, and a control board case 30 is arranged on the rear side of the game board 6, and the control board case 30
In a ball game machine provided with a control board 31 on which electronic components 76 for controlling game operations are mounted, a control board is provided on the rear side of the ball collection apparatus 16 so as to correspond to the front and back of the ball collection apparatus 16. The case 30 is arranged, and a shield plate 73 is provided on the front side of the control board case 30 so as to sandwich the front wall portion 64 of the control board case 30 between the case 30 and the control board 31.

According to a second aspect of the present invention, in the first aspect of the invention, the back cover 23 is provided so as to cover the ball collecting device 16 from the rear side, and the back cover 23 is engaged with the rear wall portion 54. Means 65
The control board case 30 is detachably mounted via the shield plate 73, and the shield plate 73 is attached to the shield plate 73 so as not to interfere with the engaging means 65.
The notch 99 is provided in the.

According to a third aspect of the present invention, in the first or second aspect of the present invention, a ridge 72 protruding around the rectangular control board case 30 to the front side of the front wall 64 thereof is provided. The locking claws 100 are provided on the inner sides of the three sides of the ridge 72, and the shield plate 73 is attached to the front wall 64 and the locking claws 10 from the other side.
It is inserted between 0 and.

[0013]

[Function] Since the ball collecting device 16 is provided on the lower back side of the game board 6, and the control board case 30 is arranged on the rear side of the ball collecting device 16 so as to correspond to the front and rear of the ball collecting device 16. , Game board 6
The back cover 23 for covering the game parts and the like mounted on the rear side from the rear side and the projection amount of the control board case 30 are made small, while the back cover 23
It is possible to secure a sufficient protruding height.

Further, since the shield plate 73 is provided on the front side of the control board case 30, the control board case 30 is placed in the ball collecting device 16.
Despite being arranged on the rear side, even if there is a discharge phenomenon between the game balls that pass through the inside of the ball collecting device 16, malfunction of each electronic component 76 of the control board 31 due to noise accompanying the discharge phenomenon Can be prevented.

Further, since the shield plate 73 is provided on the front side of the control board case 30 so as to sandwich the front wall portion 64 of the control board case 30 between the control board case 30 and the control board 31, the control board case 30
The control board 31 and the shield plate 73 can be insulated by the front wall portion 64 of the. Further, since the shield plate 73 is attached to the control board case 30, the shield plate 73 is integrated with the control board case 30.
Can be removed.

[0016]

Embodiments of the present invention will now be described in detail with reference to the drawings. Fig. 1 is a front view of the arranging ball machine. 1 is the arranging ball machine main body, which is a rectangular frame-shaped outer frame 2 and this outer frame.
It is composed of a front frame 3 which is pivotally attached to the front surface of 2 in a freely openable and closable manner. Openable glass door 4 and front plate on front frame 3
5 and 5 are mounted on the top and bottom, and a game board 6 is detachably mounted on the rear side of the front frame 3 corresponding to these.

On the front surface of the game board 6, there is provided a guide rail 7 for guiding the launched game balls, and an upper entrance ball opening 8 is provided in the central portion surrounded by the guide rails 7.
The game parts such as the lower entrance opening 9, the passage opening 10, the central winning device 11, the variable symbol display device 12, the right accessory operating device 13 for increasing the score, and the lower accessory operating device 14 are arranged. Also game board 6
A horizontally elongated opening 15 and a lower ball entrance device 16 that fits into the opening 15 from the rear side are arranged in the lower part of the lower ball entrance device 16. The lower ball entrance device 16 is covered from the front side by a lower cover 17. . An upper plate 18 is provided on the front plate 5, and a lower plate 19 and an operation handle 21 for the launcher 20 are provided on the lower part of the front frame 3, respectively.

FIG. 2 is a rear view of the arrangement ball machine,
22 is a launching motor of the launching device 20, which operates when the operating handle 21 is operated, and supplies 16 game balls from the upper plate 18 to the launch rail one by one, and guides them by hitting them with a hammer. It is designed to fire on rail 7.

Reference numeral 23 denotes a back cover, each game component such as a variable symbol display device 12, a right accessory operating device 13, a lower accessory operating device 14 and the like, which protrudes to the rear side of the game board 6, and a lower part of the lower part thereof. Ball device 16
It is mounted on the back side of the game board 6 so as to cover and from the rear side.

Reference numeral 24 is a back mechanism plate for pressing and fixing the game board 6 mounted on the front frame 3 side from the rear side,
It is pivotally supported on the rear side of the front frame 3 by a hinge 25 so as to be freely opened and closed around the vertical axis, and is locked to the front frame 3 side by a lock lever (not shown) in a closed state for pressing the game board 6. . On the back mechanism plate 24, an opening window 26 is formed at a position corresponding to the back cover 23 of the game board 6, and the back mechanism plate 24 is used to play the game board.
The back cover 23 projects rearward from the opening window 26 when the 6 is fixed.

27 is a prize ball tank for storing prize balls, which is mounted on the upper rear side of the back mechanism plate 24. Reference numeral 28 denotes a prize ball payout device, which is configured to pay out the required number of prize balls supplied from the prize ball tank 27 to the upper plate 18, and which is lateral to the back cover 23 in the vertical direction on the back mechanism plate 24. It is installed. 29 is a recovery chute, which guides the game ball from the lower ball entrance device 16 to the island mechanism side.

Reference numeral 30 denotes a control board case mounted on the lower portion of the back cover 23. The control board case 30 incorporates a control board 31 on which electronic components for controlling game operations during a game are mounted. Reference numeral 32 denotes a payout control case, which incorporates a payout control board 32a on which electronic components for controlling the payout of prize balls by the prize ball payout device 28 are mounted.
Reference numeral 33 is a ball lending control case. In this ball lending control case 33, when the automatic ball lending machine 34 is used, the ball lending control for activating the prize ball dispensing device 28 to dispense the ball to the upper plate 18 The board is incorporated. The payout control case 32 and the ball lending control case 33 are attached to the lower portion of the back mechanism plate 24.

The game board 6 is detachably fitted to the rear three-sided frame of the front frame 3 from the rear side, and is pressed from the rear by the back mechanism plate 24 and fixed to the front frame 3. Lower ball entrance device 16
4, as shown in FIG. 4, a ball entry case 36 having 16 ball entry ports 35, and a ball collection case 37 for guiding the game balls that have entered the ball entry port 35 to the recovery chute 29 side. And a ball detection switch 38 for detecting a game ball that has entered the ball entrance 35,
It is fitted into the opening 15 of the game board 6 from the rear side and is detachably fixed to the back side of the game board 6.

The ball entrance case 36 is formed with the ball entrances 35 in a horizontal row, and each of the ball entrances 35 projects forward from the opening 15 of the game board 6. The ball collection case 37 is attached to the back side of the game board 6 to form a ball guide passage 39 with the game board 6.
The game balls that have entered the ball entrances 35 are collected and guided to the recovery chute 29. The entrance detection switch 38 is attached to the switch board 40 corresponding to each entrance 35, and the entrance display device 41 for displaying the entrance position of the game ball corresponding to each entrance 35 on the switch board 40. And a score display device 42 for displaying the score accumulated when the winning combination is established.

Upper entrance ball opening 8, lower entrance ball 9, passage opening 10, central winning device 11, variable symbol display device 12, right accessory operating device 13,
As shown in FIG. 4, the lower accessory operating device 14 corresponds to the mounting hole 43 formed in the game board 6 or is fitted and mounted in the mounting hole 44 so as to project to the rear side of the game board 6. ing. Upper entrance 8, lower entrance 9, central prize device 11, variable symbol display device
12, the right accessory operation device 13, the lower accessory operation device 14 is designed to guide the game balls entered into these to the rear side of the game board 6, and correspondingly the back surface of the game board 6. A ball collecting plate 45 is attached to the side.

The ball collecting plate 45 has passages corresponding to the respective game parts such as the upper entrance 8 and the lower entrance 9, and the game balls entered into the upper entrance 8, the lower entrance 9 and the like. The lower ball entry device 16 ball collection case
It is designed to guide you to the upper part of 37.

Upper entrance ball opening 8, lower entrance ball 9, passage opening 10, central winning device 11, variable symbol display device 12, right accessory operating device 13,
The lower accessory operating device 14 appropriately includes electric components such as a light emitting element, a switch, a solenoid, and a liquid crystal display element,
A relay board having a lead wire 46 connected to the electric component.
It is detachably connected to 47 via a connector 48. The relay board 47 is mounted on the rear side of the ball collecting plate 45.

As shown in FIGS. 3 and 4, the back cover 23 includes the variable symbol display device 12, the game parts such as the right accessory operating device 13, the ball collecting plate 45, the relay board 47, and the like. A game board 6 that straddles 16 and covers all of them from the rear side.
It is removably attached to the back side of the via a mounting base 49 and a mounting portion 50. The lead wire 46 from each game component is detachably connected to the relay board 47 via the connector 48, and the flat cable 51 from the switch board 40 of the lower ball entrance device 16 is detachable via the connector 52. It is connected to the.

The back cover 23 has a box shape with the game board 6 side open, and as shown in FIGS. 3 and 4, the upper rear wall portion 53 is a bulge portion so as to project more rearward than the lower rear wall portion 54. 55 is provided. That is, the bulging portion 55 of the back cover 23 is rearward so that the game parts, which largely project to the rear of the game board 6, can be sufficiently accommodated even when the game parts are mounted at any position in the center of the game board 6. A sufficient amount of protrusion to the side is secured. On the other hand, the lower side of the bulging portion 55 of the back cover 23 is smaller than the bulging portion 55 because the lower ball entry device 16 is small enough to fit in the arrangement ball machine and the sparrow ball machine. The control board case 30 is detachably attached to the lower rear wall portion 54.

An inspection window 56 for inspecting the inside of the bulging portion 55 is formed in the upper rear wall portion 53 of the bulging portion 55 of the back cover 23, and a window lid 57 for opening and closing the inspection window 56 is opened and closed. Is detachably installed. A flat cable 60 from the relay board 47 is provided on the intermediate bottom wall portion 58 below the bulge portion 55, that is, the intermediate bottom wall portion 58 between the upper rear wall portion 53 and the lower rear wall portion 54 of the back cover 23. A pull-out hole 62 for pulling out the and 61 is formed in the left-right direction.

The control board case 30 has a horizontally long rectangular shape that is long in the left-right direction, and as shown in FIGS. 5 to 13, a case body 63 having an opening on the front side and a flat front lid on the opening side of the case body 63. 64, and the control board 31 is housed inside. The front board 64 of the control board case 30 is detachably attached to the lower rear wall portion 54 of the back cover 23 via the four engaging means 65, and the control board case 30 is detachably attached to the lower rear wall portion 54 by the lock claw 66. It is locked.

In the lower rear wall portion 54 of the back cover 23, as shown in FIG. 3, a rectangular guide recess 67 extending in the left-right direction is formed vertically.
Four staggered formations are formed on the left and right, and projecting ridges 68 are formed so as to surround each of the guide recesses 67.
An engaging portion 69 is formed integrally with the lower rear wall portion 54 via 68.

Each engaging portion 69 has a constant space between it and the bottom of the guide recess 67, and is provided in the right half of the guide recess 67 in the left-right direction. Then, the upper guide recess 67
The engaging portion 69 of the guide portion 67 is downward from the protruding portion 68 on the upper side of the guide concave portion 67, and the engaging portion of the lower guide concave portion 67 is formed so that a gap is formed over the entire length of the guide concave portion 67. Each of the 69 is formed upward from the lower ridge 68 of the guide recess 67 so that a gap is formed on the upper side thereof over the entire length of the guide recess 67. Therefore, the upper two engaging portions 69 and the lower two engaging portions 69 are turned upside down.

The lock claw 66 is arranged at a position close to the center between the upper and lower guide concave portions 67 and close to the upper guide concave portion 67 side, and a protrusion formed integrally with the left end portion of the lower rear wall portion 54. The ridge 70 is fitted and positioned and the right end side thereof is fixed by a screw 71. As shown in FIG. 5, the lock claw 66 includes a locking portion 66a and an operating portion 66 for detaching operation.
b and b are integrally provided, and the operating portion 66b thereof projects only slightly outside the lower rear wall portion 54. The portion of the lower rear wall portion 54 surrounded by the protrusion 70 is formed in an inclined shape in which the left end side is lowered so that the lock claw 66 can easily elastically deform in the detaching direction when the operating portion 66b is pressed. Has been done.

As shown in FIG. 8, the front lid 64 is formed with protrusions 72 on four sides of the outer periphery on the front side thereof, and in the protrusions 72, a shield plate 73 contacting the front side is formed. And a guided projection 74 and an engaged portion 75 corresponding to each guide recess 67 and the engaging portion 69. The guided projection 74 has a plate shape that is long in the left-right direction so that it can slide in the left-right direction along the clearance of the guide recess 67, and is integrally formed with the front lid 64 so as to correspond to each guide recess 67. Has been done. The engaged parts 75 face upward from the upper guided protrusions 74 and downward from the lower guided protrusions 74, respectively, from the tips of the respective guided protrusions 74 to the opposite upper and lower sides. It is bent and formed integrally in a letter shape.

Then, the guided projection 74 and the engaged portion 75
Is on the left side of the guide recess 67 and can be inserted into and removed from the guide recess 67 from the rear side, and each of the guided projections 74 is slidable in the left-right direction while being fitted in the guide recess 67. Further, each engaged portion 75 guides the guided protrusion 74 to the guide recess.
When slid in the left-right direction within 67, it engages and disengages with each engaging portion 69. The engaging means
The reference numeral 65 includes a guide recess 67, an engaging portion 69, a guided projection 74, an engaged portion 75, and the like.

As shown in FIG. 7, the control board 31 has a large number of IC elements 76, a semiconductor element 78 with a radiator 77, a coil 79, on the case body 63 side of the control board case 30, that is, on the rear surface side.
Various electronic components such as the probability setting key switch 102 are mounted by printed wiring, etc., two connectors 80, 81 that are long in the left-right direction are mounted on the left side of the upper edge side, and the right side of the lower edge side is mounted. One connector 82 is attached to the.

Flat cables 60, 61, and 86 are connected to the connectors 80 to 82 via connectors 83 to 85, and the flat cables 60 are connected to the switch substrate 40 via the relay substrate 47 and the flat cable 51. Cable 61 is a relay board
It is connected to the electric parts of the game parts via 47, lead wires 46, etc., respectively. Flat cable 86 is a payout case
It is connected to the 32 payout control board 32a side.

On the rear surface side of the front lid 64, the board receiving boss portions 87 at the four corners thereof and the board receiving edge portion 88 formed continuously or intermittently in the direction of connecting the board receiving boss portions 87. And 3
Restricting side edge portion 101 formed integrally with the substrate receiving edge portion 88 on the side
And three curving prevention projections 89 integrally formed with the regulation side edge portion 101 are provided on the upper side of the three sides.

The substrate receiving boss portion 87 and the substrate receiving edge portion 88 are
It is located inside the outer end of the front lid 64 so as to fit into the case body 63. The regulation side edge portion 101 is for regulating the movement of the control board 31 placed on the board receiving boss portion 87 and the board receiving edge portion 88 from the outside,
The control board 31 is provided so as to project from the outside of the board receiving edge portion 88 in an intermediate portion of the three sides excluding the lower long side of the control board 31 so as to abut the three sides. The restriction side edge portions 101 on both the left and right sides are sealing seal mounting portions 101a on the front lid 64 side.

The curving prevention projection 89 is spaced from the board receiving edge 88 by a predetermined distance so that the upper edge of the control board 31 can be fitted to the board receiving edge 88. , Board receiving edge
Three pieces are formed at 88 symmetrical positions in the longitudinal direction.

As shown in FIG. 6, the case body 63 has such a depth that the electronic components mounted on the control board 31 can be sufficiently accommodated therein, and a fitting edge for externally fitting the board receiving boss 87 to the outside. Part 90
Is formed in a substantially L-shape extending from its four corners to each side, and the control board 31 is sandwiched between the board receiving boss 87 and the board receiving boss 87 inside the fitting edge 90. A fixing boss portion 92 for screwing a screw 91 inserted from the portion 87 through the control board 31 is provided.

Side wall recesses 95 are formed integrally with the upper and lower side walls 94 of the case body 63 so that notches 96 are formed on the upper and lower sides in rear view. Has been formed. The upper side wall recessed portion 95 extends over substantially the entire length of the upper side excluding the left and right end portions.
Two connectors in the cutout 96 formed by 95
80,81 and three curving prevention projections 89 are arranged so that the connectors 83,84 of the flat cables 60,61 can be attached to and detached from the connectors 80,81 of the control board 31 in the notch 96. ing. The lower side wall recessed portion 95 is provided in the substantially right half of the lower side excluding the right end portion, and the connector 82 is disposed in the cutout portion 96 formed by the side wall recessed portion 95, and the cutout portion is formed. The connector 85 of the flat cable 86 can be attached to and detached from the connector 82 of the control board 31 within 96.

The side wall 94 of the case main body 63 is provided with a plurality of elongated air vent holes 97 at predetermined intervals. A hole 98 is formed in the front lid 64 so that the locking portion 66a of the lock claw 66 can be engaged and disengaged.

The shield plate 73 protects each electronic component of the control board 31 from a discharge phenomenon that occurs when a charged game ball flows in the passage 39 of the ball collecting case 37 of the lower ball entrance device 16, and malfunctions due to sparks or the like. And a thin conductive metal plate such as an iron plate. As shown in FIGS. 8 and 13, the shield plate 73 has notches 99 corresponding to the guided protrusions 74 and the engaged portions 75, and is formed so as to protrude inward from the protrusions 72. The locking claws 100 are detachably locked along the front surface of the front lid 64.

The locking claws 100 are provided on the ridges 72 on the lower side and the left and right sides so that the shield plate 73 can be removably inserted between the front lid 64 and each locking claw 100 from the upper edge side. It is provided. Then, the lower locking claw 100 is to the left and right,
Two 0s are arranged on each of the upper and lower sides, and the locking claws 100 on the left and right sides are arranged on the lower side.

The guided projection 74 on the lower side of the front lid 64 and the locking claw 10
It is arranged in the left-right direction with respect to 0, and the shield plate 73
The lower cutout 99 is formed in a concave shape from the lower end thereof, and the locking claw 100 locks the shield plate 73 in the vicinity of the side of the cutout 99. The notch 99 on the upper side of the shield plate 73 is formed in a rectangular opening so that the guided projection 74 fits therein. This upper notch
When the shield plate 73 is inserted between the front lid 64 and each of the locking claws 100 from the upper edge side, the guided projection 74, etc. of the 99 is the shield plate.
In order not to interfere with 73, the guided projection 74 is formed below the guided projection 74 by an insertion allowance and on the upper side by an amount corresponding to the engaged portion 75, respectively.

A notch 73a is formed in the shield plate 73 near the lower side of each locking claw 100 so that the shield plate 73 can be easily engaged and disengaged with the locking claws 100 on the left and right sides when the shield plate 73 is inserted and removed. Has been done. Further, the front ridge 72 of the front lid 64 is provided with a cutout portion 72a at the center portion on the upper edge side.When the shield plate 73 is removed, the shield plate 73 and the front lid 64 are removed from the cutout portion 72a side. A tool etc. can be inserted between and.

In the above configuration, when assembling the game board unit, the central winning device 11, on the front side of the game board 6,
Each game component such as the variable symbol display device 12, the right accessory operating device 13, the lower accessory operating device 14 and the like is mounted, and the lower ball entrance device 16, the ball collecting plate 45, and the relay board 47 are provided on the back side of the game board 6. After mounting, the connector 48 of the lead wire 46 from each game component or the connector of the flat cable 51 from the lower ball entry device 16 is connected to the connector 52 of the relay board 57.

Next, on the back side of the game board 6, each game component such as the right accessory operating device 13, the lower accessory operating device 14 and the relay board 47.
The back cover 23 is attached so as to cover the lower ball entrance device 16 to the lower ball entrance device 16, and the back cover 23 protects each component on the back surface side of the game board 6. Then, in this state, the flat cables 60, 61 of the relay board 47 are pulled out to the outside through the lead-out holes 62, and then the connectors 83, 84 of the flat cables 60, 61 are attached to the lower rear wall portion 54. Connect to connectors 80 and 81.

When the game board unit is mounted on the main body of the arranging machine, it is mounted on the three-sided frame of the front frame 3 from the rear side and the back mechanism plate 24 is closed and fixed. At this time, the back cover 23 fits into the opening window 26 of the back mechanism plate 24 and projects rearward, and the back mechanism plate 24 presses the game board 6 from the rear side on the outside of this back cover 23, but the back cover 23 Does not interfere with the back mechanism plate 24 side.

Since the back cover 23 is provided with the bulging portion 55 which bulges backward, a sufficient volume can be secured in the bulging portion 55. Therefore, in the bulge 55 of the back cover 23, the game board
Since it is possible to fully incorporate game parts that differ greatly in the amount of protrusion from 6 to the rear, you can freely select the game parts to be mounted on the game board 6 and also attach the back cover 23 to the game board units of different models. The back cover 23 can be shared, and the sharing of the back cover 23 between the models can be promoted.

The back cover 23 is sized to cover even the lower ball entrance device 16, and a bulge portion 55 is provided on the upper side of the back cover 23, and the rear side of the back cover 23 is below the bulge portion 55. Since the control board case 30 is provided in the control board case 30 as compared with the case where the control board case 30 is provided on the rear side of the bulge portion 55, the control board case 30 does not largely protrude rearward,
A sufficient amount of rearward protrusion of the bulge portion 55 can be secured. Since the back cover 23 covers the lower ball entrance device 16, the lower ball entrance device 16 can be protected by the back cover 23 and damage to the lower ball entrance device 16 can be reduced.

Moreover, since the bulge 55 and the control board case 30 are arranged vertically close to each other and the control board case 30 is formed in a horizontally long rectangular shape which is long in the left-right direction, the control board case 30 is covered with the back cover 23. By arranging the bulging portion 55 on the lower side, the swelling portion 55 can have a sufficient vertical size.

Bulging portion 55 of back cover 23 and control board case
30 has substantially the same amount of rearward projection from the game board 6, and the upper rear wall portion 53 side of the bulging portion 55 and the rear wall of the case body 63 of the control board case 30 are substantially flush with each other. The bulging portion 55 and the control board case 30 do not protrude too much backward, the arrange ball machine can be packaged in a small size, and there is no interference with other objects when mounted on the island mechanism side.

A control board case is provided on the lower rear wall portion 54 of the back cover 23.
When the 30 is mounted, the guided projection 74 and the engaged portion 75 formed on the front lid 64 side are fitted from the rear into the left side portion of the guide recess 67 formed in the lower rear wall portion 54. . And
When the control board case 30 is operated to the right (the direction indicated by the arrow a in FIG. 3) after the guided projections 74 and the engaged portions 75 are fitted into the guide recesses 67, the guided projections 74 are guided. Sliding to the right in the recessed portion 67, the engaged portions 75 integrally bent at the tips of the guided protruding portions 74 form the engaging portions of the guide recessed portions 67.
Engage with 69.

When each engaged portion 75 slides to the right end of each guide recess 67 and each engaged portion 75 engages with each engaging portion 69, the locking portion 66a of the lock claw 66 moves forward. Since the control board case 30 is locked in the mounted state by engaging with the hole 98 of the lid 64, the control board case 30 is irremovably fixed to the lower rear wall portion 54 of the back cover 23.

In this manner, the lower rear wall portion 54 of the back cover 23 and the front lid 64 of the control board case 30 which faces the lower rear wall portion 54 from the rear side, one of which is the guide recess 67 and the engaging portion. The mating portion 69 is formed, and the guided projection 74 and the engaged portion 75 are formed on the other side, and the control board case 30 can be detachably attached to the lower rear wall portion 54 of the back cover 23 from the rear side through these. Therefore, it is not necessary to provide a member that largely projects from the lower rear wall portion 54 and the front lid 64. Therefore, the guide recess 67, the engaging portion 69, the guided projection 74, and the engaged portion 75 can be prevented from being damaged, and the durability of the back cover 23 and the control board case 30 is significantly improved.

Further, when the control board case 30 is mounted, the guide recess 67, the engaging portion 69, the guided projection 74, the engaged portion 75 and the lock pawl 66 are completely removed from the rear side by the control board case 30. Since it is covered, there is an advantage that the structure and shape on the rear side of the back cover 23 can be simplified.

A lower rear wall portion of the back cover 23 having a particularly large shape
Since the guide recess 67 and the engaging portion 69 are formed on the 54 side and the damage can be reduced by providing the engaging portion 69 in the guide recess 67, the back cover 23 can be easily handled during assembly and the like. It is possible and easy to work. Further, on the front cover 64 side of the control board case 30, the guided projection 74 and the engaged portion are provided.
Since 75 is formed, even if the guided projection 74 or the like is damaged, the front lid 64 of the control board case 30 having a small shape can be replaced, and waste can be minimized.

A guide recess 67 is formed in the lower rear wall 54 of the back cover 23.
The protrusion 68 is provided so as to surround the protrusion 68, and there is the engaging portion 69 inside the guide recess 67 inside the protrusion 68, and the engaging portion 69 does not project rearward. The engagement portion 69 can be prevented from being damaged, for example, the joint portion 69 can be protected. Also guide recess 67
Since there is a ridge 68 around the ridge and the ridge 68 is located between the lower rear wall 54 and the front lid 64, the guide recess 67
Guided projection when the engaged portion 75 engages with the engaging portion 69 within
The burden on 74 can be reduced.

Since the upper and lower engaging portions 69 and the engaged portion 75 face opposite to each other in the vertical direction, the control board case 30 is guided into the guide concave portion.
67, the control board case 30 does not move in any of the up and down directions when it is slid along the guided projection 74, and the control board case 30 is attached to the lower rear wall portion 54 with an appropriate engaging force. Can be fixed.

When the control board case 30 is to be removed from the lower rear wall portion 54, first, the operating portion 66b of the lock claw 66 is pushed forward to disengage the lock portion 66a from the hole 98 of the control board case 30, and the control board case 30 is removed. After unlocking the case 30, the control board case 30 is moved in the direction opposite to the arrow a direction. Then, the guided projection 74 slides in the guide recess 67 in the direction opposite to the arrow a, and the engaged portion 75 disengages from the engaging portion 69. After that, the control board case 30 may be removed rearward.

Therefore, even though there is a guide recess 67 or the like between the lower rear wall portion 54 of the back cover 23 and the front lid 64 of the control board case 30, the control board case 30 is placed under the lower rear wall of the back cover 23. Part 54
It can be easily attached and detached, and its handling is very easy.

When the control board 31 is to be housed in the control board case 30, the control board 31 is set on the board receiving edge portion 88 formed around the front lid 64, and its position is set on the three sides of the regulation side. The positioning is performed on the edge portion 101 side, and the upper edge portion of the control board 31 is inserted between the board receiving edge portion 88 and the curving prevention protrusion 89 to control between the board receiving edge portion 88 and the curving prevention protrusion 89. The upper edge of the substrate 31 is sandwiched from both sides in the plate thickness direction.

Next, the front cover 64 and the case main body 63 are fitted to each other so that each board receiving boss 87 is located inside the fitting edge 90, and the board receiving boss 87 and the fixed boss 92 are fitted. And correspond to each other with the control board 31 sandwiched between them, so screw from the front lid 64 side.
The board 91 is penetrated through the board receiving boss portion 87 and the control board 31, and is fastened and fixed to the fixing boss portion 92.

Therefore, the control board 31 can be easily interposed between the front lid 64 of the control board case 30 and the case body 63, and can be securely fixed. In particular, the front cover 64 has the board receiving boss 87 and the board receiving edge 88, and the regulating side edge 101 on three sides. With this, the board receiving boss 87 and the board receiving edge 88 are provided. Control board 31
Since the positioning is performed, the relative position between the front lid 64 and the control board 31 can be reliably determined.

After housing the control board 31 in the control board case 30, as shown in FIG. 9, a seal sticker 103 is attached from the seal sticker mounting portion 101a on the front lid 64 side to the case body 63 side. Seal.

Control board 31 housed in control board case 30
Flat cables 60,61,86 via connectors 80,81,82
When connecting the connector 80, 81, 82 of the control board 31 in the notch 96 formed by the side wall recess 95.
Since the control board 31 is located, the connector on the control board 31 side is passed through this cutout portion 96 without opening and closing the control board case 30.
80,81,82 flat cable 60,61,86 connector 83,84,
Connect 85.

At this time, the connectors 80, 81, 82 are connected to the control board 31.
Since the side edge of the control board 31 is received by the board receiving edge 88 formed around the front lid 64, the connectors 80, 81, 82 are aligned with the connectors 83, 84, 85. Even if the control board 31 is pressed in the inserting direction, the control board 31 does not largely bend toward the front lid 64, and the connectors 83, 84, 85 can be reliably inserted into the connectors 80, 81, 82.

When disconnecting the connectors 83, 84 of the flat cables 60, 61 from the connectors 80, 81 of the control board 31, the connector 83, 84 side is pulled in the removal direction, but the control board 31 is also curved at this time. The connectors 83 and 84 can be easily removed from the connectors 80 and 81. That is, since the curving prevention projection 89 is engaged with the control board 31, the control board 31 is fixed to the front lid 64 by the screws 91 at both left and right ends, and
Although the side wall recessed portion 95 is formed on the upper side wall 94 of the case main body 63 in a range extending over substantially the entire length in the left-right direction, when the connectors 83, 84 are pulled out from the connectors 80, 81 Even if acts on the control board 31 near the central portion in the left-right direction, the curving prevention projection 89 can reliably prevent the control board 31 from being bent.

Therefore, even if the case body 63 is provided with the notch 96 for inserting and removing the connector over a long range, the control board
The connectors 83, 84 of the flat cables 60, 61 can be easily and securely attached to and detached from the connectors 80, 81 without damaging the 31 side.

The curving prevention protrusion 89 is a restriction side edge portion 101 of the front lid 64.
Since they are integrally formed at a predetermined distance on the side, a board holding portion is separately provided on the side wall 94 of the case body 63 so as to correspond to the side wall recessed portion 95, and the control board 31 is moved forward by the board holding portion. The structure is very simple as compared with the structure of pressing on the lid 64 side and the like, and can be easily molded even when molding with synthetic resin or the like.

Since the front cover 64 of the front cover 64 of the control board case 30 has a shield plate 73 on its front side, when a charged game ball passes through the passage of the ball collection case 37 of the lower ball entrance device 16, the game ball Even if a spark is generated due to mutual discharge, the noise does not cause the IC element 76 of the control board 31 to malfunction.

The shield plate 73 is a front cover 64 of the control board case 30.
When the control board case 30 is attached to the back cover 23, the shield plate 73 can be removed from the back cover 23 together with the control board case 30. Therefore,
Compared to the case where the shield plate 73 is separated from the control board case 30 and the shield plate 73 is interposed between the back cover 23 and the control board case 30, the control board case 30 can be easily handled when attached and detached. .

The shield plate 73 is mounted on the front side of the front cover 64, and the front cover 64 of the control board case 30 is interposed between the shield plate 73 and the control board 31. The front cover 64 can ensure the insulation between the shield plate 73 and the control board 31.

Further, a ridge 72 is formed around the front lid 64, and locking claws 100 are provided on three sides of the ridge 72 so that the shield plate 73 is inserted into the ridge 72 from one side. Insert and lock 100
Since it is locked by, the shield plate 73 can be easily and surely attached to the front side of the front lid 64. Moreover, the front lid 64 has the guided projection 74 and the like, but since the shield plate 73 has the cutout portion 99, the shield plate 73 is curved even if the guided projection 74 and the like are provided. It can be easily installed depending on the degree.

Although the embodiments of the present invention have been described in detail above, the present invention is not limited to the embodiments. For example, in the embodiment, the arrangement board machine is targeted, so the game board
Lower ball entry device 16 as a ball collection device provided on the lower side of the back side of 6
Is illustrated.

However, in the case of a pachinko machine, a ball collection storage device is provided instead of the lower ball entry device 16, and after collecting the game balls that have passed through the winning area of the game board 6 in the ball collection storage device, While dropping one by one from this ball collection storage device and collecting,
A predetermined number of game balls may be paid out from the prize ball payout device 28 every time one game ball is collected.

In the case of the sparrow ball machine, the lower ball entrance device 16 similar to the arrangement ball machine may be provided, or another object may be provided. Further, the structure of the control board case 30 and the mounting structure of the shield plate 73 may be those other than those in the embodiment.

[0081]

According to the present invention as set forth in claim 1, on the back side of the game board 6, a back cover 23 for covering the game parts mounted on the upper side of the game board 6 from the rear side is provided, and In the lower part of the back side of this game board 6, a guide passage 39 for guiding game balls
Provide a ball collecting device 16 having, control board case 30 is arranged on the rear side of the game board 6, and in the control board case 30, a control board 31 on which an electronic component 76 that controls the game operation is mounted is provided. In the ball game machine, the control board case 30 is arranged on the rear side of the ball collection apparatus 16 so as to correspond to the front and back of the ball collection apparatus 16, and the control board 31 is provided on the front side of the control board case 30. Since the shield plate 73 is provided so as to sandwich the front wall portion 64 of the control board case 30 between them, the following remarkable effects are obtained.

Since the control board case 30 is arranged on the rear side of the ball collection device 16 so as to correspond to the front and back of the ball collection device 16, while reducing the protrusion amount of the back cover 23 and the control board case 30. Also, the protruding height of the back cover 23 from the game board 6 can be sufficiently secured. Therefore, game components that can be mounted on the game board 6 are not restricted by the back cover 23.

Since the shield plate 73 is provided on the front side of the control board case 30, the control board case 30 is attached to the ball collecting device 16.
Despite being arranged on the rear side, even if there is a discharge phenomenon between the game balls that pass through the inside of the ball collecting device 16, malfunction of each electronic component 76 of the control board 31 due to noise accompanying the discharge phenomenon Can be prevented.

Between the control board 31 and the control board case 30
Since the shield plate 73 is provided on the front side of the control board case 30 so as to sandwich the front wall section 64, the control board 31 and the shield plate 73 can be insulated by the front wall section 64 of the control board case 30.

Since the shield board 73 is attached to the control board case 30, the shield board 73 is integrated with the control board case 30.
73 can be attached and detached, and it is easy to handle when disassembling.

According to the invention described in claim 2, in the invention described in claim 1, the back cover 23 is provided so as to cover the ball collecting device 16 from the rear side, and the rear wall portion 54 of the back cover 23 is provided. The control board case 30 is detachably mounted via the engaging means 65,
Since the shield plate 73 is provided with the notch 99 so as not to interfere with the engaging means 65, the following remarkable effects are obtained.

A back cover 23 is provided so as to cover the ball collecting device 16 from the rear side, and an engagement means 65 is provided on a rear wall portion 54 of the back cover 23.
Since the control board case 30 is detachably attached via the, the control board case 30 can be easily arranged on the rear side of the ball collection device 16.

Since the shield plate 73 is provided with the notch 99 in the shield plate 73 so as not to interfere with the engagement means 65, even if the shield plate 73 is on the front side of the control board case 30, no support is required. Control board case 30 through engaging means 65
Can be attached to and removed from the back cover 23.

According to the third aspect of the present invention, in the first or second aspect of the present invention, a ridge protruding around the rectangular control board case 30 to the front side of the front wall portion 64 thereof. The portion 72 is formed, and the locking claw 100
Is provided and the shield plate 73 is inserted between the front wall portion 64 and the locking claw 100 from the other one side, the following remarkable effects are obtained.

Around the rectangular control board case 30,
There is a ridge 72 projecting to the front side of the front wall 64, and locking claws 100 are provided on the inner sides of the three sides of the ridge 72, and the shield plate 73 is attached to the front wall 64 from the other side. Since it is inserted between the locking claw 100 and the locking claw 100, the shield plate 73 can be easily mounted on the control board case 30, and the shield plate 73 in the mounted state can be easily mounted.
Can be reliably prevented from falling off.

[Brief description of drawings]

FIG. 1 is a front view of an arrangement ball machine showing an embodiment of the present invention.

FIG. 2 is a rear view of the arrange ball machine showing the embodiment of the present invention.

FIG. 3 is a rear view of a back cover side showing an embodiment of the present invention.

FIG. 4 is an enlarged sectional view taken along the line AA of FIG.

5 is an enlarged sectional view taken along the line BB of FIG.

FIG. 6 is a partially cutaway bottom view of a control board case side showing an embodiment of the present invention.

FIG. 7 is a rear cross-sectional view on the control board case side showing an embodiment of the present invention.

FIG. 8 is a front view of a control board case side showing an embodiment of the present invention.

FIG. 9 is a left side view of a control board case side showing an embodiment of the present invention.

10 is a cross-sectional view taken along the line CC of FIG.

11 is a cross-sectional view taken along the line DD of FIG.

12 is a cross-sectional view taken along the line EE of FIG.

FIG. 13 is a rear view on the front lid side showing an embodiment of the present invention.

[Explanation of symbols]

 1 Arrange ball machine body 2 Outer frame 3 Window cover 6 Game board 16 Lower ball entry device (ball collection device) 23 Back cover 30 Control board case 31 Control board 39 Guide passage 54 Lower rear wall 64 Window lid (front wall) 65 Engaging means 72 Protrusions 73 Shield plate 99 Notches 100 Locking claws

Claims (3)

[Claims] 1. The game board (6) is provided on the back side of the game board (6).
Cover that covers the game parts attached to the upper side of the
(23) is provided and at the bottom of the back side of this game board (6),
A ball collecting device (16) having a guide passage (39) for guiding a game ball is provided, a control board case (30) is arranged on the rear side of the game board (6), and the control board case (30) is placed in the control board case (30). In a ball game machine provided with a control board (31) equipped with an electronic component (76) for controlling game operation, the ball collecting device (16) is associated with the ball collecting device (16) so as to correspond to each other. The control board case (30) is arranged on the rear side, and the control board (31) is placed on the front side of the control board case (30).
A control board shield device for a ball-and-ball game machine, characterized in that a shield plate (73) is provided so as to sandwich the front wall portion (64) of the control board case (30) therebetween. 2. A back cover (23) is provided so as to cover the ball collecting device (16) from the rear side, and a control board is provided on a rear wall portion (54) of the back cover (23) through an engaging means (65). The case (30) is detachably mounted, and the shield plate (73) is provided with a notch (99) in the shield plate (73) so as not to interfere with the engaging means (65). Item 1. A control board shield device for a ball game machine according to Item 1. 3. A rectangular control board case (30) around,
A ridge (72) is formed to project to the front side of the front wall (64), and locking claws (100) are provided inside the three sides of the ridge (72), and the shield plate (73) is provided. The control board shield of the ball-and-ball game machine according to claim 1 or 2, characterized in that it is inserted between the front wall portion (64) and the locking claw (100) from the other one side. apparatus.