JP3487966B2 - Control board case mounting device for ball game machines - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a control board case mounting device for pachinko machines, arrange ball machines, sparrow balls, and the like.

[0002]

2. Description of the Related Art In a conventional ball game machine, for example, an arrange ball machine, a top entrance, a passage,
Along with each game component such as central winning device, variable symbol display device, right accessory operating device for increasing points, back cover to cover game components, relay board, wiring etc. from the back side of the game board I am wearing. Then, the control board case is detachably mounted on the rear wall of the back cover, and the control board on which electronic components controlling the game operation are mounted is sealed and sealed in the control board case. The game operation is controlled by each electronic component on the control board.

[0003]

Conventionally, when the control board case is detachably mounted on the rear wall portion of the back cover, a pair of pivots are provided on both sides of the lower portion of the control board case to project from the rear wall portion of the back cover. In addition, an engagement receiving portion that receives the pivot shaft from the lower side in a disengageable manner and a locking claw that detachably engages with the upper end side of the control board case are integrally formed in a projecting manner to engage each pivot axis. After engaging with the portion, the control board case is rotated around the pivot toward the back cover side, and the upper end of the control board case is locked by the locking claw to be mounted on the back cover.

However, in the conventional mounting device, the control board case is detachably mounted by the engagement receiving portion projecting rearward from the rear wall portion of the back cover and the locking claws. There is a drawback that the pawl is easily damaged. If the locking claws are damaged, the control board case cannot be mounted, so the back cover must be removed from the game board and replaced, but the back cover itself is usually a nail on the back side of the game board. Since the back cover is fixed by such means, the work of removing and replacing the back cover is very complicated and troublesome.

Further, in the conventional mounting apparatus, even when the control board case is mounted on the rear wall of the back cover, the pivot, the engagement receiving portion, the locking claws, etc. are exposed from the control board case to the outside. There is a drawback in that the structure of the rear side of the back cover becomes too complicated and the rear side of the back cover cannot be simplified. SUMMARY OF THE INVENTION In view of such conventional problems, an object of the present invention is to provide a control board case mounting device for a ball game machine which is less damaged and has improved durability, and which can simplify the rear side of the back cover.

[0006]

According to the present invention as set forth in claim 1, a back cover 23 for covering game parts and the like mounted on the game board 6 is mounted on the back surface side of the game board 6, and this back cover is mounted. 23,
In the ball game machine equipped with the control board case 30 accommodating the control board 31, a rear wall portion 54 of the back cover 23 and a front wall portion 64 of the control board case 30 facing the rear wall portion 54 of the back cover 23.
Among these, on one side, a plurality of guide recesses 67 in the left-right direction, and a plurality of engaging portions 69 arranged at one end side of the guide recesses 67 in the left-right direction are provided at intervals in the vertical direction, and on the other side, Guided projections 74 that are fitted into and removed from the respective guide recesses 67 from the rear side and guided slidably in the left and right direction, and the guided projections 74.
When sliding the guide in the guide recess 67 left and right
And an engaged portion 75 that is engaged with and disengageable from the engaging portion 75.

According to a second aspect of the present invention, in the invention according to the first aspect, a guide recess is formed in the rear wall portion 54 of the back cover 23.
67 and the engaging portion 69 are integrally formed, and the guided projection 74 and the engaged portion 75 are integrally formed on the front wall portion 64 of the control board case 30.

According to a third aspect of the present invention, in the invention according to the first or second aspect, a ridge portion 68 surrounding the guide recess 67 is provided, and one of the ridge portions 68 in the vertical direction is provided.
An engaging portion 69 that protrudes to the other side toward the inside of the guide recess 67 is provided.

According to a fourth aspect of the present invention, in the invention according to the second or third aspect, the upper and lower engaging portions 69 are covered with a back cover.
23 is formed upside down on the rear wall 54 of the control board case 30.
The guided projection 74 and the engaged portion 75 of the front wall portion 64 are formed in an upside down L shape.

[0010]

When the control board case 30 is mounted on the rear wall portion 54 of the back cover 23, the guided projection 74 is fitted into the guide recess 67 from the rear side, and the guided projection 74 is fitted into the guide recess 67. The engaged portion 75 is engaged with the engaging portion 69 in the guide concave portion 67 by sliding in the left-right direction along. When removing the control board case 30 from the rear wall 54 of the back cover 23,
The engaged portion 75 is disengaged from the engaging portion 69 by sliding the 74 along the guide recess 67 in the opposite direction.

In this structure, the rear wall portion 54 of the back cover 23,
Of the front wall portion 64 of the control board case 30 facing the rear wall portion 54 from the rear side, one of the front wall portion 64 and the guide recess 67 and the engaging portion 69.
On the other hand, the guided projection 74 and the engaged portion 75 are formed on the other side, and the control board case 30 is detachably attached to the rear wall portion 54 of the back cover 23 from the rear side through these. Therefore, the guide concave portion 67, the engaging portion 69, the guided protruding portion 74, and the engaged portion 75.
Can be prevented, and the durability of the back cover 23 and the control board case 30 can be remarkably improved.

When the control board case 30 is mounted, the control board case 30 completely covers the guide recess 67, the engaging portion 69, the guided projection 74 and the engaged portion 75 from the rear side. Therefore, the structure and shape on the rear side of the back cover 23 can be simplified.

[0013]

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 a 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. 23 is a back cover, which is a variable symbol display device 12 protruding to the rear side of the game board 6,
The game parts such as the right accessory operating device 13 and the lower accessory operating device 14 and the lower ball entrance device 16 on the lower side thereof are mounted on the back surface side of the game board 6 so as to be covered from the rear side.

Numeral 24 is a back mechanism plate for holding the game board 6 mounted on the front frame 3 side from the rear side and fixing it.
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 has a control board 31 mounted with electronic parts for controlling game operations during a game. 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 from the rear to the three-sided frame on the rear side of the front frame 3, 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 a horizontal row of ball entrances 35, 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 ball 8 and the lower entrance ball 9, and the game balls that enter the upper entrance ball 8, the lower entrance ball 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 8,
Lower entrance opening 9, passage opening 10, central winning device 11, variable symbol display device 12, right accessory operating device 13, lower accessory operating device 14, electrical components such as light emitting element, switch, solenoid, liquid crystal display element, etc. And a lead wire 46 connected to the electric component, and is detachably connected to the relay board 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 rearward more 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 on 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.

As shown in FIG. 3, in the lower rear wall portion 54 of the back cover 23, 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 distance from 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 on the lower side thereof 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 locking pawl 66, the upper and lower is arranged at a position close to the center by remote upper guide recess 67 side between the guide recess 67, which is formed integrally with the left end of the lower rear wall portion 54 The protrusion 70 is fitted in 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 on the case body 63 side of the control board case 30, that is, on the rear surface side, a semiconductor element 78 with a radiator 77, a coil 79,
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 connected to the payout control board 32a side of the payout control Ke <br/> over scan 32.

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 portions 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, and is fitted to the outside of the board receiving boss portion 87. Edge 90
There is formed in a substantially L-shape Placing the sides from 4 corners thereof, on the inside of the mating edge portion 90 sandwich the control board 31 between the substrate receiving boss 87, and a substrate receiving A fixed boss portion 92 for screwing a screw 91 inserted from the boss 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 main body 63 so that notches 96 are formed on the upper and lower sides in a 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 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 the charged game balls flow in the passage 39 of the ball collection 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, and the one left and right locking claw 10
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 it 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 rear surface 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.

Arrange the game board unit Main unit 1
When it is attached to the front frame 3, it is attached to 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 a 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 size of the bulging portion 55 in the vertical direction can be sufficiently secured.

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.

As described above, one of the lower rear wall portion 54 of the back cover 23 and the front lid 64 of the control board case 30 facing the lower rear wall portion 54 from the rear side is provided with one of 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.

When the control board case 30 is attached, the control board case 30 completely removes the guide recess 67, the engaging portion 69, the guided projection 74, the engaged portion 75 and the lock claw 66 from the rear side. 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 upside down, the control board case 30 is guided into the 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 removing the control board case 30 from the lower rear wall portion 54, first, the operating portion 66b of the lock claw 66 is pushed to the front side, the lock claw 66 is removed from the hole 98 of the control board case 30, and the control board 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, when the front cover 64 and the case body 63 are fitted so that each board receiving boss 87 is located inside the fitting edge 90, 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 the control board 31 is housed in the control board case 30, as shown in FIG. 9, the 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. The flat cable 6 is inserted into the control board 31 housed in the control board case 30 via the connectors 80, 81, 82.
When connecting 0, 61, and 86, each connector of the control board 31 is provided in the notch 96 formed by the side wall recess 95.
Since 80, 81, 82 are located, without opening and closing the control board case 30, the connector 80, 81, 82 on the control board 31 side is connected to the connector 80, 81, 82 of the flat cable 60, 61, 86 through the notch 96. Connect 83,84,85.

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 connectors 83, 84 are 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 notch 96 for inserting and removing the connector is provided in the case body 63 over a long range, the control board
Without damaging the 31 side, Ru can be detachable connectors 83 and 84 of the flat cable 60, 61 easily and reliably in its connector 80 and 81.

The curving prevention projection 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. compared to the structure in which deposits his pushed lid 64 side, the configuration is very simple, it can be easily formed even in the case of a synthetic resin or the like.

Since the front cover 64 of the control board case 30 has the shield plate 73 on the front side thereof, when a charged game ball passes through the passage 39 of the ball collecting case 37 of the lower ball entrance device 16, the game is played. Even if a spark is generated due to discharge between the balls, 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, and 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 control board case 30 is composed of the case body 63 and the front lid 64, and the front lid 64 side is attached to the lower rear wall portion 54 of the back cover 23. Although the front wall portion is described above, the front and rear of the control board case 30 may be reversed and the case body 63 side may be used as the front wall portion.

Further, the front cover 64 of the control board case 30 is provided with the guide concave portion 67 and the engaging portion 69, and the lower rear wall portion 54 of the back cover 23 is provided with the guided projection portion 74 and the engaged portion 75. Is also good. Lock claw
66 may be omitted. Further, the present invention is not limited to the arrangement ball machine, and can be similarly implemented in other pachinko machines and the like.

[0074]

According to the present invention as set forth in claim 1, a back cover 23 for covering the game parts and the like mounted on the game board 6 is attached to the back side of the game board 6, and the back cover 23 is attached to the back cover 23. , Control board
In the ball game machine equipped with the control board case 30 accommodating the 31, the rear wall portion 54 of the back cover 23 and the front wall portion 64 of the control board case 30 facing the rear wall portion 54 of the back cover 23 Of which
On one side, the guide recess 67 in the left-right direction and the guide recess
A plurality of engaging portions 69 arranged on one end side in the left-right direction of 67 are provided at intervals vertically, and on the other side, in each guide recess 67.
A guided projection 74 that is fitted into and removed from the rear side and guided slidably in the left-right direction, and engages when the guided projection 74 slides in the guide recess 67 in the left-right direction. Since the engaged portion 75 that is detachably engaged with the portion 69 is provided, the following remarkable effects are achieved.

A guide recess 67 and an engaging portion 69 are formed in one of the rear wall portion 54 of the back cover 23 and the front wall portion 64 of the control board case 30 which face each other, and the guided projection portion is formed in the other. Since the control board case 30 is detachably attached from the rear side to the rear wall portion 54 of the back cover 23 via the engagement portion 74 and the engaged portion 75, the rear wall portion 54 and the front wall portion It is not necessary to provide a member that largely projects from 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 can be significantly improved.

In the mounted state, the control board case 30 completely covers the guide recess 67, the engaging portion 69, the guided projection 74, and the engaged portion 75 from the rear side.
There is an advantage that the structure and shape of the rear side of 23 can be simplified.

According to the second aspect of the present invention, in the first aspect of the invention, the guide recess 67 and the engaging portion 69 are integrally formed in the rear wall portion 54 of the back cover 23, and the control board is formed. Case
Since the guided projection 74 and the engaged portion 75 are integrally formed on the front wall portion 64 of 30, the following remarkable effects are obtained.

The rear wall portion 54 of the back cover 23, which is large in shape,
The guide concave portion 67 and the engaging portion 69 are formed on the side, and the engaging portion
Since the damage can be reduced by providing the guide recesses 67 in the guide recesses 67, the back cover 23 can be easily handled and the work is easy.

Since the guided protrusion 74 and the engaged portion 75 are formed on the front wall portion 64 side of the control board case 30, even if the guided protrusion 74 or the like is damaged, the control is small in shape. It suffices to replace the front wall portion 64 of the substrate case 30, and waste can be reduced as much as possible.

According to the present invention described in claim 3, in the invention described in claim 1 or 2, a ridge portion 68 surrounding the guide recess 67 is provided, and one inner side of the ridge portion 68 in the vertical direction. In addition, since the engaging portion 69 that protrudes to the other side toward the inside of the guide recess 67 is provided, the following remarkable effects are achieved.

Since there is the engaging portion 69 inside the protruding portion 68 surrounding the guide recess 67 and the engaging portion 69 does not project rearward, the engaging portion 69 can be protected by the protruding portion 68. 69
It can prevent damage.

There is a ridge 68 around the guide recess 67, and this ridge 68 is located between the rear wall portion 54 and the front wall portion 64, so that it is engaged in the guide recess 67. The load on the guided projection 74 when the portion 75 is engaged with the engagement portion 69 can be reduced.

According to the invention described in claim 4, in the invention described in claim 2 or 3, the upper and lower engaging portions 69 are formed on the rear wall portion 54 of the back cover 23 upside down, Since the guided projection 74 and the engaged portion 75 of the front wall portion 64 of the control board case 30 are formed in an L-shape that is upside down, the following remarkable effects are obtained.

Since the upper and lower engaging portions 69 and the engaged portion 75 face upside down, when the control board case 30 is slid along the guide recessed portion 67 and the guided protruding portion 74, The control board case 30 does not move in any of the vertical directions, and the control board case 30 can be fixed to the rear wall portion 54 with an appropriate engaging force.

[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 Front frame 6 game board 23 Back cover 24 Back mechanism plate 30 control board case 31 Control board 54 Rear wall 64 Front wall 67 Guide recess 69 Engagement part 74 Guided protrusion 75 Engaged part

─────────────────────────────────────────────────── ─── Continuation of front page (58) Fields surveyed (Int.Cl. ⁷ , DB name) A63F 7/02 326 A63F 7/02 304

Claims (4)

(57) [Claims] 1. A back cover (23) for covering game parts and the like mounted on the game board (6) is attached to the back side of the game board (6), and a control board (23) is attached to the back cover (23). In a ball game machine equipped with a control board case (30) containing (31), a back cover (23)
One of the rear wall portion (54) and the front wall portion (64) of the control board case (30) facing the rear wall portion (54) of the back cover (23) has a left-right guide. Recess (67) and this guide recess (67)
A plurality of engaging portions (69) arranged on one end side in the left-right direction are provided at intervals in the vertical direction, and each guide recess (67) is provided on the other side.
And the guided projection (74) that is fitted in the rear side so that it can be slidably guided in the left and right directions, and the guided projection (74) in the guide recess (67) in the horizontal direction. When sliding it, the engaging part (6
A control board case mounting device for a ball game machine, characterized in that an engaged portion (75) which is engageably and disengageably provided on the 9). 2. A guide recess is formed in a rear wall portion (54) of the back cover (23).
(67) and the engaging part (69) are integrally formed, and the control board case (3
The control board case of the ball-and-ball game machine according to claim 1, wherein the guided projection (74) and the engaged portion (75) are integrally formed on the front wall portion (64) of (0). Mounting device. 3. A ridge (68) surrounding the guide recess (67) is provided, and one of the ridges (68) in the vertical direction projects toward the other side toward the inside of the guide recess (67). The control board case mounting device of the ball-and-ball game machine according to claim 1 or 2, wherein an engaging portion (69) is provided. 4. The upper and lower engaging portions (69) are formed on the rear wall portion (54) of the back cover (23) upside down, and the front wall portion (64) of the control board case (30) is covered. The control board case mounting device for a ball game machine according to claim 2 or 3, wherein the guide protrusion (74) and the engaged portion (75) are formed in an L-shape that is upside down.