JP4694830B2 - Control board unit for gaming machines - Google Patents

Description

  The present invention relates to a control board for controlling a game, and a control board unit in a gaming machine provided with a board case for housing the control board.

  Conventionally, in gaming machines such as slot machines and pachinko machines, electronic components such as ROM for controlling games, board-side connectors to which external connectors are connected, and printed wiring for electrically connecting electronic components and board-side connectors are provided. An electronic control system is used to control the gaming operations of various gaming machines by mounting the control board provided in the gaming machine and connecting the external connectors on the various gaming machines side controlled by the control board to the board side connectors. Yes.

In addition, the control board is a board-side connector so that unauthorized modification such as replacement of the ROM of the control board, unauthorized operation such as piano wire entering the gaming machine, and unauthorized operation such as unauthorized operation of the control board cannot be performed. Is exposed in a substrate case having a case main body formed of a transparent synthetic resin material and a case lid pivotally supported by the case main body so as to be openable and closable (for example, Patent Documents) 1).
JP 2001-178940 A

  However, the control board unit in the gaming machine as described above is configured such that the board side connector is opened from the opening provided in the case lid by closing the case lid in a state where the control board is fixed inside the case body. Since it is configured to be exposed on the front surface of the lid, when opening and closing the case lid by rotational movement, the opening width of the opening is set on the board side so that the protruding end of the board-side connector does not interfere with the opening edge of the opening. It must be larger than the external dimensions of the connector. In this way, when the opening width of the opening is made larger than the external dimensions of the board-side connector, an unnecessarily large gap is created between the board-side connector and the opening edge of the opening, and unauthorized tools are inserted into this gap. As a result, the printed wiring around the board-side connector may be short-circuited, and the control board may be tampered with.

  An object of the present invention is to provide a control board unit in a gaming machine capable of preventing an illegal act such as an unauthorized operation of a control board using a fraudulent tool in view of conventional problems. .

According to the present invention, the above problem is solved as follows.
(1) An electronic component for controlling the game, a board-side connector to which an external connector is connected, and a rectangular control board provided with printed wiring are pivotally supported so that the case body and one end can be opened and closed on the front surface of the case body And a control board unit in a gaming machine in which the other end is housed in a board case having a case lid sealed to the case body, and the case lid is provided with an opening for exposing the board-side connector. The case lid has a housing part that covers a front surface of the control board on which the board-side connector and the printed wiring are provided, and one side end of the housing part, and the case lid body is placed on the case body. An upper and lower shaft portion pivotably supported on the front surface of the case lid, and the other end portion on the opposite side to the one end portion where the shaft portion of the case lid is provided. Provided sealing part And a sealing portion which is fastened by one-way screws, in the rear end of the first fixing portion that protrudes from the rear surface opposed to the front surface of the control board in the housing part to the rear, one of the two diagonal of the control board A positioning protrusion that protrudes rearward so as to engage with a positioning hole provided in one of the diagonal corners to position the control board, and a second fixing that protrudes rearward from the rear surface of the housing portion A screw-engagement hole at the rear end of the housing, in which a forward-facing screw for fixing the control board to the rear surface of the housing portion can be screwed, and the board-side connector exposed to the front surface of the case lid The flange for projecting backward from the rear surface of the housing portion so as to be in contact with the periphery of the board- side connector on the front surface of the control board, Board case Before closing, in a state of exposing the previously said substrate-side connector on the front of the case lid from the opening, together with engaging the positioning holes of the control board with the positioning protrusion of the case lid, said The case is formed by inserting a screw into a fixing hole provided at one of the two diagonal corners of the control board and screwing it into the screwing hole of the case lid. The rear end of the first fixing portion of the lid, the rear end of the second fixing portion, and the rear end of the flange are arranged around the positioning hole, the fixing hole, and the base connector on the front surface of the control board. The control board is fixed to the inside of the case lid in a state of being in contact with the periphery, and in this state, the case lid having the control board fixed to the inside is rotated around the shaft portion and sealed. By Control board, in a state of being sandwiched between the rear surface side of the front side of the case lid of the case body, to be housed in the board case.

(2) In the above item (1), an upper wall of the upper wall and the case lid of the case body, so that alternately overlap vertically along the left-right direction.

According to the present invention, the following effects can be obtained.
(A) According to the first aspect of the present invention, before closing the substrate case, the substrate-side connector is previously exposed from the opening to the front surface of the case lid, and the control substrate is fixed to the inside of the case lid with screws . Thus, the board-side connector can be easily exposed on the front surface of the case lid, and the gap between the board-side connector and the opening edge of the opening can be reduced. As a result, it is possible to prevent an illegal act such as short-circuiting the printed wiring in the peripheral portion of the board-side connector using an unauthorized tool such as a piano wire.

( B ) According to the invention described in claim 2 , it is possible to suppress the deformation of the side walls of the case main body and the case lid due to an external force, and it is possible to prevent the unauthorized tool from entering the substrate case.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a front view of a gaming machine (slot machine) to which the present invention is applied, and FIG. 2 is a front view of the gaming machine with a front door opened. In the following description, the front side of the page in FIGS. 1 and 2 is “front or front”, the back side of the page in FIG. 1 and 2 is “rear or back”, and the left side in FIGS. In FIGS. 1 and 2, the right side is “right”.

  A slot machine as a gaming machine (1) has a rectangular front housing (2) whose front (front) is open and a pair of upper and lower hinge shafts (4) facing the left and right sides of the housing (2). ) And a front door (3) pivotably supported by the door.

  When the front door (3) is in the closed state, the upper and lower hook levers (5) provided on the back surface of the front door (3) are engaged with the engagement pieces (2a) provided on the housing (2). By doing so, it cannot be opened unless a predetermined key or the like is used.

  In the housing (2), there are three rotating reels (6) capable of changing and stopping display of identification information composed of a plurality of types of symbols and numbers, and medals (including coins) as game media. A hopper unit (7) capable of storing and dispensing, and a control board unit (100) in which a main control board (8) for overall control of the entire game is housed in a transparent board case (14) described later. Based on the control signal output from the main control board (8), the liquid crystal display unit (31) provided on the back side of the front door (3) and capable of displaying various game information and effects, generates sound effects. Based on the control signal output from the main control board (8) and the sub-control board (9) capable of outputting a control signal to the loudspeaker (32), the lamp (33) that enhances the production effect by light, etc. (6) A rotating reel control board (10) capable of driving and controlling a motor for rotating, and a main control board (8) Power supply (11) is accommodated supplies.

  On the front face of the front door (3), there are a game information display window (34) through which the game information and effects displayed on the liquid crystal display unit (31) can be visually recognized, and three pieces of identification information of each rotary reel (6). A recognizable identification information display window (35), a plurality of information display windows (36) capable of recognizing various information displayed on a central substrate (not shown) provided on the back surface of the front door (3), and a game A medal slot (37) for inserting medals when performing, a MAX bet button (38) for setting the maximum number of medals bet (3), and one for setting the number of medals to one A bet button (39), a start lever (40) operated to rotate all the rotating reels (6), and three stop buttons operated to stop the rotation of each rotating reel (6) (41) and a settlement button (42) operated when the game is settled.

  The MAX bet button (38), the single bet button (39), the start lever (40), each stop button (41) and the settlement button (42) are provided with operation detection sensors (not shown). (Omitted) is built-in.

  The game of the gaming machine (1) starts after the player inserts a medal into the medal slot (37) and then sets the bet number of medals with the MAX bet button (38) or single bet button (39). This is started by operating the lever (40) to rotate all the rotating reels (6). The medal inserted into the medal insertion slot (37) is determined by the medal selector (not shown) provided on the back side of the front door (3) to determine whether the medal is true or false. The medal guided to the hopper unit (7) and determined to be false is returned to the medal tray (3a) provided at the lower part of the front door (3).

  After a predetermined time has elapsed after the rotating reel (6) has rotated, the three stop buttons (41) are sequentially operated to stop the rotation of each rotating reel (6), and the stopped three rotating reels ( 6) Based on the combination of identification information, the number of medals distributed according to the presence or absence of a prize and the size of the prize is determined. When a prize is awarded, a medal tray (7) The medal is paid out in 3a).

  In the present embodiment, the gaming machine (1) is described as a slot machine in which the game medium is a medal (including coins). However, the present invention is not limited to this, and the gaming machine (1) It may be a pachinko machine or slot machine in which the game medium is a pachinko ball.

  3 is a front view of the control board unit (100), FIG. 4 is an enlarged longitudinal sectional view taken along line IV-IV in FIG. 3, and FIG. 5 is an enlarged longitudinal sectional view taken along line V-V in FIG. 6 is a perspective view of the control board unit (100) with the board case (14) opened obliquely from the front, and FIG. 7 shows the control board unit with the board case (14) opened from the right diagonal. It is a perspective view of (100).

  The control board unit (100) includes a main control board (8) and a board case (14) for accommodating the main control board (8) and preventing unauthorized modification of the main control board (8).

  The substrate case (14) includes a case body (12) formed of a transparent synthetic resin material fixed to the rear plate (21) of the housing (2) via a metal base bracket (not shown). The vertical shaft (13a) provided at the left end is pivotally supported by the upper and lower semi-cylindrical parts (12b) provided at the left end of the case body (12). And a case lid (13) capable of opening and closing the front surface of the case body (12).

  FIG. 8 shows a perspective view of the main control board (8). As will be described later, the main control board (8) is fixed to the inside of the case lid (13) by screws (15) that form fixing means, and the fixing holes (8a) and positioning holes (8b) are formed at the corners. And a plurality of electronic components (81) such as ROM and an external connector (not shown) are connected to the front surface facing the case lid (13), that is, the mounting surface (7 in this embodiment). A plurality of board-side connectors (82) are mounted, and a large number of printed wirings (83) for electrically connecting the various electronic components (81) and the board-side connectors (82) are provided.

  The plurality of board side connectors (82) are, from the left side, for power input for inputting power output from the power supply device (11), for sub control board output for outputting control signals to the sub control board (9), For display output that outputs display signals to the liquid crystal display unit (31) and the central board, for switch input that inputs operation signals of each operation detection sensor, and rotating reel output that outputs rotation control signals to the rotating reel control board (10) It is for external centralized output that outputs game data to a hall computer that centrally manages a large number of gaming machines installed in a game store, and for inspection that is used when inspecting the main control board (8). Corresponding external connectors are connected to the board side connectors (82).

  FIG. 9 shows a front view of the case body (12). The case body (12) has a box shape with the front open, and has a rectangular housing part (121) in front view that covers the back side of the main control board (8), and the right side of the housing part (121). Upper and lower engaging claws (12a) that protrude forward and are elastically deformable in the vertical direction are provided on the upper and lower portions. In addition, six cylindrical sealing portions (12d) are arranged in the vertical direction at the right end of the accommodating portion (121) via a plurality of thin-walled cutting portions (12c) facing in the horizontal direction. Yes. In addition, each sealing part (12d) is connected so that adjoining up and down can each be isolate | separated.

  The upper side wall (122) in the left-right direction provided at the upper part of the housing part (121) in the case body (12) has a shape in which the left part (122a) and the right part (122b) are one step higher than the intermediate part (122c). In addition, a notch groove (122d) is provided in the step portion between the left and right ends of the center portion (122c) and the left portion (122a) and the right portion (122b). The upper engaging claw (12a) is provided on the right part (122b) of the upper side wall (122).

  FIG. 10 shows a rear view of the case lid (13). The case lid (13) has a box shape with the back surface (rear surface) open and has a rectangular housing part (131) in front view that covers the mounting surface of the main control board (8). ) Is provided with an engagement hole (13b) for holding the case lid (13) in a closed state with respect to the case body (12) by elastically engaging the engagement claws (12a). It has been. A plurality of openings (132) for exposing each board-side connector (82) to the front surface of the case lid (13) are provided at the lower part of the housing part (131). As shown in FIG. 5, mainly around the opening edge of each opening (132), it protrudes backward, and the rear edge is the peripheral portion of the board-side connector (82) on the mounting surface of the main control board (8). There is provided a flange (132a) capable of abutting on the surface.

  At the right end of the housing part (131) corresponding to each sealing part (12d) of the case body (12), a cylindrical sealing part (13d) is vertically arranged via a cutting part (13c) facing in the horizontal direction. It is juxtaposed in the direction. In addition, each sealing part (13d) is connected so that adjoining up and down can each be isolate | separated.

A fixing part (second fixing part) having a screwing hole (13e) that overlaps with the fixing hole (8a) of the main control board (8) on the back side of the case lid (13), that is, each diagonal inside. (13f) and a fixing portion (first fixing portion) (13h) having positioning protrusions (13g) that can be engaged with the positioning holes (8b) of the main control board (8) are provided.

  In the case lid (13), the left and right upper side walls (133) provided on the upper portion of the accommodating portion (131) are lower in the left (133a) and right (133b) than the intermediate (133c). When the substrate case (14) is in a closed state at the step portion between the left and right ends of the central portion (133c) and the left portion (133a) and the right portion (13b) in the case body (12). A fitting groove (133d) is provided in which the right end portion and the left end portion of the central portion (122c) of the upper side wall (122) can be engaged in the vertical direction.

  In the closed state of the substrate case (14), the central portion (122c) of the upper side wall (122) in the case main body (12) is the center of the upper side wall (133) in the case lid (13) as shown in FIG. It overlaps with the lower surface of the portion (133c), and both left and right end portions thereof are fitted in the fitting grooves (133d), and the left portion (122a) and the right portion ( 122b) is superposed on the upper surfaces of the left part (133a) and the right part (133b) of the upper side wall (133) in the case lid (13) (see FIG. 5 for the left part). As a result, the upper side walls (122) and (133) of the case main body (12) and the case lid (13) are alternately superposed in the horizontal direction, and the case main body (12) and It is possible to prevent an illegal act such as deforming the upper side walls (122) and (133) of the case lid (13) and causing an unauthorized tool to enter the substrate case (14). It should be noted that the same action and effect can be achieved even if this configuration of overlapping vertically is applied to the side walls of the case body (12) and the case lid (13).

  Next, the procedure for assembling the control board unit (100) according to the present invention will be described. First, the main control board (8) is positioned by engaging positioning holes (8b) with positioning protrusions (13g) on the inside of the case lid (13), and each board side connector (82) is connected to each opening ( 132) is exposed to the front surface of the case lid body (13), and in this state, the main control board (8) is fixed to the back surface side of the case lid body (13), that is, inside by the screws (15).

  The screw (15) is inserted into the fixing hole (8a) of the main control board (8) and screwed into the screwing hole (13e), so that the main control board (8) is attached to the case lid (13). It fixes to the fixing | fixed part (13f). When the board-side connector (82) is exposed from the opening (132), the rear edge of the flange (132a) of the opening (132) is the board-side connector (on the mounting surface of the main control board (8)). 82) Abuts the peripheral part.

  Next, the main control board (8) is held between the case body (12) and the case cover (13) by closing the case cover (13) with the main control board (8) fixed inside. In this state, it is accommodated in the substrate case (14).

  After closing the substrate case (14), the sealing part (12d) (13d) of the case main body (12) and the case lid (13) is overlapped in the front and back, and a single sealing part ( 12d) (13d) is sealed by fastening with a one-way screw (16) that can be operated only in the tightening direction. After the sealing, the substrate case (14) cannot be opened unless the cut portions (12c) and (13c) of the sealing portions (12d) and (13d) are cut. Further, when the cutting portions (12c) and (13c) are cut by a formal inspection for inspecting the main control board (8) housed in the board case (14), a spare one-way screw ( 16), the unused sealing portions (12d) and (13d) are fastened and sealed.

  As described above, before closing the board case (14), each board-side connector (82) is exposed to the front surface of the case lid (13) from each opening (132) in advance, and the main control board (8). Is fixed to the inside of the case lid (13) with the screw (15), so that the gap between the board-side connector (82) and the opening edge of the opening (132) is reduced. Even if the opening width is set, each board-side connector (82) can be easily exposed from each opening (132). As a result, the gap between the board-side connector (82) and the opening edge of the opening (132) can be reduced, and the printed wiring (83) around the board-side connector (82) can be short-circuited. It can prevent cheating.

  The main control board (8) is accommodated in the board case (14) while being held between the case body (12) and the case lid (13). It can be securely held in the substrate case (14).

Although the embodiment of the present invention has been described above, the following various modifications and changes can be made to the present embodiment without departing from the gist of the present invention.
(I) The number of board side connectors (82) and openings (131) is changed as appropriate.
(Ii) Instead of the screw, the fixing means is a synthetic resin snap pin that can be elastically engaged with the fixing portion (13f) of the case lid (13).

It is a front view of a gaming machine to which the present invention is applied. It is a front view of the gaming machine with the front door opened. It is a front view of a control board unit. FIG. 4 is an enlarged longitudinal sectional view taken along line IV-IV in FIG. 3. FIG. 5 is an enlarged longitudinal sectional view taken along line VV in FIG. 3. It is a perspective view of the control board unit of the state which opened the board | substrate case seen from diagonally forward. It is a perspective view of a control board unit in the state where a board case was opened as seen from the right side. It is a perspective view of a control board. It is a front view of a case body. It is a back view of a case lid.

Explanation of symbols

(1) Pachislot machines
(2) Housing
(2a) Engagement piece
(3) Front door
(3a) Medal tray
(4) Hinge shaft
(5) Hook lever
(6) Rotating reel
(7) Hopper unit
(8) Main control board (control board)
(8a) Fixing hole
(8b) Positioning hole
(9) Sub control board
(10) Rotary reel control board
(11) Power supply
(12) Case body
(12a) Engaging claw
(12b) Semi-cylindrical part
(12c) Cutting part
(12d) Sealing part
(13) Case lid
(13a) Shaft
(13b) Engagement hole
(13c) Cutting part
(13d) Sealing part
(13e) Screw hole
(13f) Fixed part
(13g) Positioning protrusion
(13h) Fixed part
(14) Board case
(15) Screw (fixing means)
(16) One-way screw
(21) Rear plate
(31) Liquid crystal display unit
(32) Speaker
(33) Lamp
(34) Game information display window
(35) Identification information display window
(36) Information display window
(37) medal slot
(38) MAX bet button
(39) Single bet button
(40) Start lever
(41) Stop button
(42) Checkout button
(81) Electronic components
(82) Board side connector
(83) Printed wiring
(100) Control board unit
(121) Housing
(122) Upper wall
(122a) Left
(122b) Right part
(122c) Central part
(122d) Notch groove
(131) Housing
(132) Opening
(132a) Flange
(133) Upper wall
(133a) Left
(133b) Right part
(133c) Intermediate part
(133d) Mating groove

Claims (2)

An electronic component for controlling the game, a board-side connector to which an external connector is connected, and a rectangular control board provided with printed wiring are pivotally supported so that one end can be opened and closed on the front of the case body, and the other end In a control board unit in a gaming machine in which a part is housed in a board case having a case lid sealed to the case body, and an opening is provided in the case lid to expose the board side connector.
The case lid is provided in a housing portion that covers a front surface of the control board on which the board-side connector and the printed wiring are provided, and at one end of the housing portion, and the case lid body is disposed on the front surface of the case body. At the shaft portion in the vertical direction for pivotally opening and closing and the other end portion on the opposite side to the one end portion on which the shaft portion of the case lid is provided, and provided on the case body. and a sealing portion which is fastened by one-way screw the sealing portion has, in the rear end of the first fixing portion that protrudes from the rear surface opposed to the front surface of the control board in the housing part rearward, 2 of the control board A positioning projection that protrudes backward to engage with a positioning hole provided in one of the diagonal corners to position the control board, and backward from the rear surface of the housing portion in the rear end of the second fixing portion that protrudes, And serial forward screws for the control board fixed to the rear side of the housing part which can be screwed screw hole, and the opening for exposing the substrate-side connector on the front of the case lid, said A flange projecting rearward from the rear surface of the housing portion so as to be in contact with the periphery of the board- side connector on the front surface of the control board at the periphery of the opening;
Before closing the board case, while exposing the advance the substrate-side connector on the front of the case lid from the opening, engaging the positioning hole of the control board with the positioning protrusion of the case lid And inserting the screw into a fixing hole provided at one of the two diagonal corners of the control board and screwing it into the screwing hole of the case lid. The rear end of the first fixing portion, the rear end of the second fixing portion, and the rear end of the flange of the case lid are connected to the periphery of the positioning hole, the periphery of the fixing hole, and The control board is fixed to the inside of the case lid in contact with the periphery of the base connector, and the case lid with the control board fixed to the inside in this state is rotated around the shaft portion. Move to block And by the control board, in a state of being sandwiched between the rear surface side of the front side of the case lid of the case body, the gaming machine being characterized in that so as to be accommodated in the substrate case Control board unit in.   2. The control board unit in a gaming machine according to claim 1, wherein the upper wall of the case body and the upper wall of the case lid are alternately overlapped vertically along the left-right direction.

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