JP3242063B2 - Pachinko machine circuit box - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pachinko machine, and more particularly, to a circuit box for controlling various electronic devices provided in the pachinko machine or accommodating control means for collecting various data.

[0002]

2. Description of the Related Art As is well known, pachinko machines in recent years have been digitized, and have started to control character objects, fire hit balls, discharge and replenish prize balls, display various information and produce sound effects, or Various data such as the number of hit balls and the number of payout balls are collected by electronic control means mainly using a microprocessor. This electronic control means is usually housed in a circuit box which can be electromagnetically shielded in order to avoid the influence of extraneous noise, and is further sealed to prevent unauthorized alteration such as changing the probability of a big hit.

[0003] Various circuit boxes as described above have been developed. For example, Japanese Patent Application Laid-Open No. 2-142580 discloses a visual window in which a clear plate is attached so that the inside can be seen through, and the visual window is modified through the visual window. There is one that can check the presence or absence of.

Further, in order to facilitate the work of attaching the circuit box to the game board and the work of connecting the electronic control means inside the box to the electric equipment outside the box, an attachment member having connector means is fixed to the game board. In addition, a connector means is also provided on the circuit box so that both connector means are electrically connected when the circuit box is mounted on the mounting member, as disclosed in JP-A-62-64579 and JP-A-62-64579. It has been proposed in, for example, JP-A-122681.

[0005]

However, in the conventional structure of a circuit box in which a visible window is formed, a blind spot occurs in the visible window, and no alteration made in the blind spot or on the back side of the circuit board has been found.

[0006]

Means for Solving the Problems The present invention has been proposed in view of the above, and the invention described in claim 1 is a pachinko machine in which various electric devices are controlled by electric control means. Up the circuit board that constitutes the electrical control means
Housed in the circuit box comprising a lower case, on the circuit board mounted with various electronic components and connectors, to form an electronic component mounted with the upper case to the circuit board in a see-through plastic, the upper case the conductive member formed with see-through perspective section of electronic components mounted on the circuit board on the inside
Mold into a shape almost similar to the upper case and
The edge is locked by the locking claw formed on the inner edge of the side wall.
The lower case is mounted on the back of the circuit board.
A conductive member that substantially covers the side is provided.

[0007]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a front view of a pachinko machine 1 having a window and one side of a frame-shaped front frame 2 outside. A hinge is openably and closably attached to the frame 3, and a metal frame 4 is provided in the window portion.
A glass frame 5 on which glass is mounted is pivotally attached to the upper part of the frame so as to be openable and closable. An upper tray set 9 including a front plate 8 provided with an upper tray 7 is provided below the glass frame 5, and a lower tray set 11 provided with a lower tray 10 is provided below the front frame 2. Then, the game board 12 is made to face the window from behind the window. This game board 12
A game section 14 surrounded by a guide rail 13 is formed on the front surface of the game section 14 and a variable display device 15
, A variable winning device 16, a starting port 17, various winning tools 18,
A windmill 19, or various indicator lights 20, etc. are provided, and an out port 21 is provided at the lowest position. Further, an operation handle 22 for adjusting a flight distance of a ball to be hit into the game section 14 is provided on a front side of the lower tray 10 set.

FIG. 2 is a rear view of the front frame 2. On the rear side of the front frame 2, a rear plate 23 (mechanical plate) made of a dish-shaped metal plate for accommodating the game board 12 is provided. Attached,
On the rear side of the rear plate 23, a mechanism frame such as the base body 24 is provided. The mechanism frame is a general term for members for attaching main members on the back side of the pachinko machine 1 to the back side of the front frame 2. Therefore, the rear plate 2
At 3, a movable frame 26, which is a part of the mechanism frame, is hinged via a hinge 25 so as to be openable and closable. The movable frame 26 is a separable member composed of an upper frame portion 26a and a lower frame portion 26b. A prize ball payout device 27 is formed on the upper frame portion 26a. The prize ball discharge path 29 and the like are formed. The movable frame 26 is formed of a conductive member, and the static electricity charged to the ball via the hinge 25 is applied to the rear plate 23.
Missed.

On the back side of the game board 12, a game control circuit board 3 on which a game control circuit for mainly controlling the game board 12 such as a variable display device 15 and a variable winning device 16 is formed.
The game control circuit box 31 in which 0 (hereinafter, referred to as a circuit board 30) is housed is detachably mounted. The lower frame portion 26b is provided with a safe ball passage, a safe ball detection device, and the like, and both frame portions 26a, 26b are provided with a ball shift cover 32 facing the rear of the game board 12. A fixed frame 33 is provided on the rear plate 23 at a position below the frame portions 26a and 26b, and is mainly provided on the pachinko machine main body side, such as a hitting ball launching device, a winning ball processing device, and a prize ball payout device 27. A main body control box 34 for housing a circuit board on which a main body control circuit for performing the above control processing is formed. Further, below the fixed frame 33, there are provided a drive unit of the hit ball launching device, a downflow gutter 35 for guiding the balls overflowing from the upper tray 7 to the lower tray 10, and the like. The downspout 35 is made of a conductive material, and the screw 3
It is preferable that the static electricity charged on the sphere is released to the rear plate 23 by being fixed to the rear plate 23 at 6.

The above-mentioned base body 24 is provided with an upper tank 37 for storing prize balls to be paid out to the player, and a prize ball guide gutter 38 is detachably provided below the upper tank 37 so as to be detachable. It is communicated with the prize ball guiding path 28 housed in the body part 26a. Accordingly, the ball in the upper tank 37 flows into the prize ball guide path 28 from the prize ball guide gutter 38, and the prize ball payout device 2
The ball 7 is paid out to the upper tray 7 from the prize ball outlet 39 through the upper tray inlet 40 formed in the rear plate 23 through the prize ball outlet 39.

In the present invention, the circuit box 31 is detachably fixed to the game board 12 via the mounting member 41 as described above. In this embodiment, as shown in FIG. 3 or FIG. A mounting member 41 is constituted by a base frame member 42 fixed to the game board 12 and a relay member 43 detachably provided on the base frame member 42, and is detachable via the mounting member 41.

As shown in FIGS. 3 to 5, for example, the circuit box 31 includes a deep dish-shaped upper case 44 and a shallow dish-shaped lower case 45, and both cases 44, 45 are transparent. Formed of a transparent synthetic resin as described above. In addition, a shielding member 46 made of a conductive member, for example, a metal plate is additionally provided inside the upper case 44 as a shielding means for imparting an electromagnetic shielding effect to the circuit box 31. More specifically, in the illustrated embodiment, the upper case 4
Reference numeral 4 denotes a rear view (when the pachinko machine 1 is viewed from the front as a front view) in a state where the pachinko machine 1 is attached to the game board 12, the shape of which is vertically long and substantially rectangular.
It is connected to the flat plate portion 44a via an inclined surface portion 44b whose diameter is slightly reduced toward “a”. In addition, a plurality of ventilation holes 47 are opened in the slope portion 44b for heat radiation. In addition, a cutout portion 49 is provided on one of the side wall portions so that a first connector 48 to be described later faces. Further, an inward locking claw 44 'is provided at an appropriate position on the inner edge of the side wall portion.
Is provided to lock the edge of the shield member 46 fitted into the upper case 44.

The shield member 46 may be made of any material as long as it has conductivity as described above. However, from the viewpoint of workability and cost, a metal plate such as an iron plate or an aluminum plate is preferable. Then, it is molded into a similar shape and fitted on the inner surface side of the upper case 44. The shield member 46 also has a ventilation hole 50 at a position corresponding to the ventilation hole 47 of the upper case 44. In addition, the bottom plate of the shield member 46 is an observation port 51 which opens in a back-like shape, and this observation port 51 forms a see-through portion that covers almost the entire flat plate portion 44 a of the circuit box 31. Further, a support portion 52 for supporting the circuit board 30 is formed on the inner side of the short side of the shield member 46, and screw holes having female screw portions are formed at four corners. still,
In this embodiment, the support portion 52 and the screw hole are formed by welding an auxiliary fitting 52 ′ having a substantially L-shaped cross section to the inner surface of the shield member 46. A part of the auxiliary metal fitting 52 'is formed so as to be electrically contactable with the earth bus provided on the circuit board 30, and the earth bus of the circuit board 30 and the shield member 46 are electrically connected in the fixed state. .

On the other hand, the lower case 45 is also made of a transparent synthetic resin. A notch-shaped connector insertion portion 54 for the first connector 48 is provided on one side of the plate-shaped main body 53, and the inner surface (inside the circuit box 31). A rib piece 55 that fits inside the upper case 44 is raised at the periphery of the upper surface 44).
The rib piece 55 is provided with a notch as necessary. At the four corners of the plate-shaped main body 53, mounting portions 56 which are formed thick and have mounting holes are provided (see FIG. 8).

Further, the lower case 45 is provided with a guide boss 57 and a guide piece 58 for positioning the circuit box 31 with respect to a mounting member 41 described later and for guiding. The guide boss 57 is formed by extending one of the mounting portions 56 of the lower case 45 into a cylindrical shape, and the guide piece 58 is formed by protruding from the lower part of the lower case 45 in a shelf shape. Is provided with a hook 58a.

A flat shield plate 59 for shielding the rear surface of the circuit board 30 is detachably attached to the outer surface of the flat main body 53 of the lower case 45 (the surface outside the circuit box 31). To be provided. That is, the lower case 45
A relatively low edge piece 60 is provided on the outer peripheral side of the peripheral edge of the shield plate 59, which is substantially equal to the thickness of the shield plate 59. At an appropriate position of the edge piece 60, for example, at a part of the edge piece 60 formed along the long side where the connector insertion portion 54 is not provided, a locking piece 61 that can lock the shield plate 59 is provided. 54
The locking member 62 is provided at the corner on the side, and the shield plate 59 is fixed by the locking piece 61 and the locking member 62. The locking member 62 is a member having a substantially L-shaped cross section having a finger hook portion 62a and a pressing portion 62b, and has a screw 6 inserted through a mounting hole for fastening the lower case 45 and the upper case 44.
3 is screwed into a screw hole of the auxiliary fitting 52 ′ via a washer 62 ′, and is rotatably attached to the lower case 45. Although not shown, the pressing portion 6 of the locking member 62 is not shown.
2b is provided with a locking projection, and a locking recess or a locking hole corresponding to the locking projection is provided in the shield plate 59, and the locking member 62
Are stopped with a click at a position where they are pressed perpendicular to the edge of the shield plate 62.

The shield plate 5 is attached to the lower case 45 as described above.
In order to fix 9, one side of the shield plate 59 is inserted and locked below the locking piece 61, and the locking member 62 is rotated to press the shield plate 59 with the pressing portion 62 b. It is. That is, the shield plate 59 is fixed so as to stop the back cover of the frame. The screw 63 serves not only to secure the lower case 45 and the upper case 44 but also to electrically connect the respective members.
3 is screwed into the screw hole, the shield member 46 of the upper case 44 is brought into close contact with the earth bus of the circuit board 30 to conduct electricity, and the shield plate 59 is connected to the locking member 62 and the screw 6.
3, and the shield plate 59 is also electrically connected to the ground bus of the circuit board 30. Then, the circuit board 30 is grounded to the structural material of the island of the pachinko parlor through a ground wire.

Although not shown in the drawing, a stopper piece is provided on the outer surface of the lower case 45 near the first connector 48 to secure an interval with a later-described relay member 43 (relay terminal board). I have.

The circuit board 30 housed in the circuit box 31 forms a game control circuit and the like, and the circuit board 30 is provided with, for example, a female multi-pin connector as the first connector 48. This connector has a release lever 64, and the release lever 64 has pivot portions 64a at both ends mounted on a connector base portion 48a.
By rotating the rotating member 4, the rotating portion 64a acts so as to push out a male connector as a second connector 65 provided on the relay terminal board described later. Release lever 64
Has a protrusion 66 formed thereon, and the protrusion 66 is
The release lever 64 cannot be operated unless it faces the front surface of the power connector 67 provided adjacent to the connector 48 and removes the power connector 67. Therefore, when power is being supplied to the game control circuit or the like, the first connector 48 cannot be disconnected from the second connector 65 of the attachment member 41 described later, and the game control circuit is electrically connected. Protected.

The circuit box 31 is removably fastened to the game board 12 via the mounting member 41. In this embodiment, the mounting member 41 is composed of a base frame member 42 and a relay member 43. . The base frame member 42 is, for example, as shown in FIG. 4, for mounting the circuit box 31 so as to float the game box 12 from the game board 12 so as not to interfere with the set plate 69 forming the winning ball passage 68. A leg wall 71 is erected from the outer edge of the holding plate 70 having a substantially rectangular front or rear view toward the game board 12, and a flange-like mounting piece 72 is provided at the tip of the leg wall 71. Is provided. Positioning means, for example, a positioning boss 73 is protruded from the mounting piece 72 at an appropriate position.
The position is regulated by fitting it into a positioning recess 74 provided at an appropriate position of No. 2. In the illustrated embodiment, the upper positioning concave portion 74a is formed in a long hole shape to enable fine adjustment.
At the appropriate position of the mounting piece 72, mounting through holes 75 are opened, and screws and the like passed through the mounting through holes 75 are fixed to the game board 12. Further, the leg wall portion 71 is provided with a notch or a notch groove through which wiring is passed as necessary. The leg wall portion 71 in the illustrated embodiment is formed on the left side surface, the bottom surface, and the left half of the upper surface when viewed from the back side of the pachinko machine 1, and the right side surface and the upper right half portion are opened. It is positioned so as to straddle the set plate 69 at the location.

The holding plate 70 is provided with a holding portion 76 for detachably holding a relay member 43 described later. According to the illustrated embodiment, the holding portion 76 is composed of an upper holding portion 76a that extends horizontally near the upper edge, and a lower holding portion 76b that extends horizontally above the lower edge. 76a,
The mounting tongue 77 of the relay member 43 fits into the rear surface side of 76b. For this reason, the holding plate 70 has a recess 78 that is slightly recessed as a whole, and the upper holding portion 76 a is located between the holding plate bases 80 that are connected to the ribs 79 that rise up to the side edges of the recess 78. It is laid down. Note that the upper edge of the upper holding portion 76 is chamfered so that the mounting tongue piece 77 can easily enter, and the inner corner of the upper edge of the holding plate base 80 is also chamfered.

The concave portion 78 is appropriately provided with a rib portion 79 for reinforcement, and an opening region 81 is formed. The opening area 81 is for exchanging light emitting means such as an indicator lamp or an LED facing the front side of the game board 12. Further, a fastening area 82 for fastening a support (not shown) standing up from the set plate 69 of the game board 12 is formed adjacent to the opening area 81, and the fastening area 82 is provided in the fastening area 82. A plurality of fastening portions 83 are provided so as to correspond to the columns provided for each model. Each fastening portion 83 includes a through hole 83a through which a screw or the like passes, and a circular protruding portion (not shown) centered on the through hole, and a column is fitted into the circular protruding portion, A screw or the like passed through the through hole is fixed to the end face of the support.
As described above, if the fastening region 82 is formed in advance, even if there is a design change depending on the model, the designer only needs to arrange the columns within the range of the fastening region 82. Is practical.

The relay member 43 includes a relay terminal board 84 provided with a second connector 65 corresponding to the first connector 48 of the circuit box 31, and an additional plate 85 to which the relay terminal board 84 is attached. The attachment plate 85 is provided with a mounting tongue 77 that engages with the holding plate 70 of the base frame member 42. Further, the relay terminal board 84 is connected to the relay board 8.
4 and various wiring connectors 8 provided on
6 are connected by printed wiring. The wiring connectors 86a, 86d to 86i are connected to various electric components of the game board 12, and the wiring connectors 86b, 86c are provided at the upper corners of the game board 12 for the external relay terminal 9 for games.
6 connector terminals.

On the other hand, the attachment plate 85 is provided with a rising piece 87 on the outer edge of the main body, and a mounting portion 88 is provided at an appropriate position so as to hang over the rising piece 87 and the attachment plate 85. An engagement piece 89 is provided on the rising piece 87 on one side, the relay terminal board 84 is sandwiched between the mounting piece 88 and a screw 90 or the like is screwed into a fixing portion provided at a corner portion to form a relay terminal. The substrate 84 is fixed to the attached plate 85. Instead of the screw 90, a claw piece may be provided on the rising piece 87 and locked.

The mounting tongue 77 provided on the other side of the attachment plate 85 projects in a substantially L-shape, and the corner of the tip is reduced so as to facilitate insertion. An engaging protrusion 91 is provided at the center of the distal end portion, and the engaging protrusion 91 can be fitted into an engaging concave portion 92 provided on an edge of the concave portion 78 of the base frame member 42.

On the other hand, a guide piece 58 provided on the lower case 45 of the circuit box 31 is placed on the surface of the lower edge of the attachment plate 85 to guide the circuit box 31 to an appropriate position. A shelf 93 is provided. That is, this guide shelf 93
Is formed to be substantially equal to the width of the guide piece 58 to regulate the left and right positions of the circuit box 31, and the hook 58 a of the guide piece 58 is hooked on the hooking edge 93 a provided on the front edge of the guide shelf 93. The height position can be restricted by stopping.
In addition, a tubular receiving portion 94 corresponding to the guide boss 57 of the circuit box 31 is extended to the upper edge corner. Therefore, when the guide piece 58 of the circuit box 31 is placed on the guide shelf 93, the position of the circuit box 31 in the up-down direction and the position in the left-right direction are automatically determined. In this state, if the circuit box 31 is pressed toward the game board 12, Since the first connector 48 and the second connector 65 are fitted together, and the guide boss 57 is fitted in the cylindrical receiving portion 94, the circuit box 31 can be mounted very easily at an appropriate position. In addition, during the mounting operation, the first connector 48 and the second connector 65 are not damaged by inadvertent movement of the circuit box 31.
At this time, the release lever 64 is pressed by the end of the second connector 65 and returns.

Next, the circuit box 3 having the above-described configuration will be described.
1 and the removal of the relay member 43 will be described.

For example, when inspecting whether or not unauthorized alteration has been performed, the front frame 2 of the pachinko machine 1 is opened and the back side of the game board 12 is viewed. Can be found through the see-through portion of the circuit box 31, that is, the observation port 51 of the shield member 46.

Further, the state of the paper seal to be passed over the lower case 45 and the upper case 44 is verified from the side of the circuit box 31 or the release lever 64 is rotated to rotate the first connector 48 and the second connector. If the circuit box 31 and the relay member 43 are separated by removing the connection with the circuit box 65 and the circuit box 31 is turned over, the sealed state can be checked even better.

Further, when the locking member 62 is rotated and the shield plate 59 is removed, the back surface of the circuit board 30 can be checked without disassembling the circuit box 31 through the transparent lower case 45. In addition, since the seal is stuck on the side wall portion of the upper case 44 from the lower case 45 of the cutout portion 59a provided in the shield plate 59, the seal is stuck, so even if the shield plate 59 is removed, the seal is broken. There is no. Further, in the present embodiment, since the edge piece 60 at the position where the paper seal is to be stuck is cut, the paper seal is not lifted by the edge piece 60 and the paper seal is not easily broken.

On the other hand, the mounting of the circuit box 31 may be performed in the reverse of the above. The guide piece 58 is placed on the guide shelf 93 of the relay member 43, and the circuit box 31 is pressed toward the relay terminal board 84 in this state. The first connector 48 and the second connector 65 may be connected, and the guide boss 57 and the tubular receiving portion 94 may be fitted. Since the locking edge 93a of the guide shelf 93 and the hook 58a of the guide piece 58 are locked, the circuit box 31 does not slide down.

Further, according to the present embodiment, the relay member 43
Can also be exchanged. That is, each wiring connector 86 ...
Then, when the attachment plate 85 is slid upward, the engagement between the mounting tongue piece 77 and the holding portion 76 is released, so that the relay member 43 can be removed from the base frame member 42. Therefore,
If the relay terminal board 84 is replaced in the case of a model change or the like, various wirings can be easily changed.

Although not described in this embodiment,
The game control circuit board 30 housed in the circuit box 31 and each electric device of the main body control box 34 and the game board 12 are connected via a relay terminal board 84, and are connected to the outside such as a power supply and a management computer. Are connected via a main body external relay board 95 provided at an upper corner of the rear plate 23 and a game external relay terminal 96 provided at an upper corner of the game board 12. The various signal lines and the various electrical devices can be separately removed without affecting each other.

Although the present invention has been described with reference to the embodiment shown in the drawings, the present invention is not limited to the above-described embodiment, and can be appropriately implemented unless the configuration described in the claims is changed. For example, although the shielding means is provided separately from the case, the case may be formed of a transparent conductive resin to give the case itself a shielding effect. Further, although the relay member is detachable from the base frame member, the relay member may be formed to be fixed to the base frame member. Although the shield member 46 is locked to the inner surface of the upper case 44, the upper case 44 may be locked to the inner surface of the shield member 46, or a transparent plate may be locked to the inner surface of the observation port 51. May be. Then, the conductive opening / closing lid can be opened / closed with a hinge on the shield member so that the observation port 5 can be opened and closed.
1, the shielding effect is further enhanced. In this way, the observation may be performed with the opening / closing lid opened when necessary.

[0035]

In summary, the present invention relates to a pachinko machine for controlling various electric devices by means of an electric control means, in which a circuit board constituting the electric control means is moved from upper and lower cases. becomes housed in the circuit box, in the circuit board mounted with various electronic components and connectors, circuit the upper case
An electronic component mounted on a substrate formed of see-through plastic, the upper case of the conductive member the upper Ke forming a see-through perspective section of electronic components mounted on the circuit board on the inside
Molded into a shape almost similar to the base and the side wall of the upper case
To lock the edge with the locking claw formed on the inner edge of the part.
The lower case has the back side of the circuit board
Since the conductive member that covers almost everything is arranged , the inside of the circuit box can be observed from the outside to every corner, and unauthorized alterations made to the circuit board can be easily found, so that illegal games can be anticipated. It is possible to prevent. In addition, since a sufficient shielding effect is obtained, the circuit board is not affected by external noise or the like, so that there is no possibility of malfunction.

[Brief description of the drawings]

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

FIG. 2 is a rear view of a front frame in which a movable frame is opened.

FIG. 3 is a partially cutaway side view showing a state where the circuit box is mounted on a game board.

FIG. 4 is a transverse sectional view of the same.

FIG. 5 shows a circuit box, (A) is a rear view, (B)
Is a partially cutaway side view, and (C) is a front view.

6A and 6B show a mounting member, wherein FIG. 6A is a rear view, FIG. 6B is a rear view showing a state where a relay member is mounted, and FIG. 6C is a longitudinal sectional view showing a state where the relay member is mounted.

FIG. 7 is an explanatory diagram of a release lever.

FIG. 8 is an explanatory diagram of a mounted state of a circuit board, a circuit box, a shield plate, and the like.

[Description of Signs] 1 Pachinko machine 30 Circuit board 31 Circuit box 41 Mounting member 42 Base frame member 43 Relay member 44 Upper case 45 Lower case 48 First connector 51 Observation port 65 Second connector

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) A63F 7/02 H05K 9/00

Claims (2)

(57) [Claims] In a pachinko machine for controlling various electric devices by an electric control means, a circuit board constituting said electric control means is housed in a circuit box comprising upper and lower cases, and said circuit board has Mounts various electronic components and connectors, and mounts the upper case on the circuit board
Equipped with an electronic component formed with see-through synthetic resin, a conductive member formed with see-through perspective section of electronic components mounted on the circuit board inside of the upper case and the upper case
It is molded into a substantially similar shape and inside the side wall of the upper case.
By locking the edge to the locking claw formed on the edge
Ri fitted, to substantially cover the conductive portion of the back surface side of the circuit board in the lower case
A circuit box for a pachinko machine, in which materials are arranged . 2. The circuit box of a pachinko machine according to claim 1 , wherein the lower case is formed of a synthetic resin whose back surface of the circuit board is transparent.