JP2012176164A - Board case for game machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a board case resistant to fraudulent act.SOLUTION: The board case 210 formed of a first case 701 and a second case 702, is provided with a first locking portion 706 and a second locking portion 707. When the board cased 210 is closed, the two locking portions are engaged to temporarily fasten the board case. When the board case needs to be caulked, a connector cover 750 having a caulking portion and also having a function for covering an input/output terminal exposed outside the board case 210, is inserted and fitted into a closing unit to caulk the board case 210.

Description

  The present invention relates to a board case of a game machine represented by a slot machine, a pachinko machine, and the like.

  Conventionally, a control board for controlling game jackpots and winning devices is housed in a resin board case so as not to be tampered with from the outside, and a locking device is provided so that only a manager can open it. Is common. Recently, in order to further increase the security, the substrate case is constructed with a so-called caulking structure so that once the closure device is closed, the restriction portion is not broken and the substrate case cannot be opened again. When a closed substrate case is opened, a trace is left so that the opening history can be recognized later (for example, Patent Document 1).

JP-A-10-328385

  The above boards are divided into a plurality of boards according to their functions such as game control, effect control, payout control, etc., and it is common to control each board by connecting it with a communication cable. In order to connect the cable to the board, it is necessary to provide a connector part on the board, and this connector part needs to be exposed to the outside of the board case at the time of assembly during manufacture. However, in recent years, there has been a problem of performing illegal acts on this connector portion.

  In view of the above problems, it is an object of the present invention to provide a substrate case that is difficult to cheat.

  In order to achieve the above object, a gaming machine according to the present invention sandwiches a circuit board having an input or output terminal between a first case and a second case, and the first case and the second case are sandwiched between the first case and the second case. A circuit board case for storing at least a part of the circuit board excluding the terminal when closed, the terminal case having a terminal cover capable of storing the terminal therein; A cover portion covering the terminal and a caulking portion engaging with the closing means are provided.

  As described above, the present invention can provide an illegally strong substrate case.

It is a perspective view which shows the external appearance of a slot machine. It is an inside view of the slot machine. It is a control block diagram of a slot machine. It is a disassembled perspective view of a substrate case. (A) It is a front view of a 1st case. (B) It is a rear view of a 1st case. (C) It is a right view of the 1st case. (A) It is a front view of a 2nd case. (B) It is a rear view of a 2nd case. (C) It is a right view of the 2nd case. It is the figure which showed the positional relationship of a 1st latching | locking part and a 2nd latching | locking part (horizontal direction). It is the figure which showed the positional relationship of a 1st latching | locking part and a 2nd latching | locking part (vertical direction). (A) It is a perspective view of a connector cover. (B) It is a top view of a connector cover. (C) It is a front view of a connector cover. (D) It is a side view of a connector cover. It is a figure which shows the assembly | attachment relationship of a 1st latching | locking part, a 2nd latching | locking part, and a connector cover. (A) It is the perspective view which assembled | attached the 1st latching | locking part and the 2nd latching | locking part. (B) It is an expanded sectional view of a closing means. (A) It is the perspective view which assembled | attached the 1st latching | locking part, the 2nd latching | locking part, and the connector cover. (B) It is an expanded sectional view of a closing means.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  FIG. 1 is a perspective view of a slot machine 100 according to an embodiment of the present invention.

  A slot machine 100 shown in FIG. 1 includes a main body 101 and a front door 102 that is attached to the front surface of the main body 101 and can be opened and closed with respect to the main body 101. Three reels (left reel 110, middle reel 111, and right reel 112) having a plurality of types of symbols arranged on the outer peripheral surface are housed inside the center of the main body 101, and can be rotated inside the slot machine 100. Has been. These reels 110 to 112 are rotationally driven by a driving device such as a stepping motor.

  In the present embodiment, an appropriate number of symbols are printed on the belt-like member at equal intervals, and the reels 110 to 112 are configured by affixing the belt-like member to a predetermined circular cylindrical frame member. When viewed from the player, the symbols on the reels 110 to 112 are generally displayed three in the vertical direction from the symbol display window 113 so that a total of nine symbols can be seen. Then, by rotating the reels 110 to 112, the combination of symbols that can be seen by the player varies. That is, each of the reels 110 to 112 functions as a display device that displays a plurality of combinations of symbols in a variable manner. In addition to the reel, an electronic image display device such as a liquid crystal display device can also be used as such a display device. In this embodiment, three reels are provided in the center of the slot machine 100. However, the number of reels and the installation position of the reels are not limited to this.

  A backlight (not shown) for illuminating the individual symbols displayed on the symbol display window 113 is disposed on the back of each of the reels 110 to 112. It is desirable that the backlight is shielded for each symbol so that the individual symbols can be illuminated evenly. In the slot machine 100, an optical sensor (not shown) including a light projecting unit and a light receiving unit is provided in the vicinity of each of the reels 110 to 112. The light projecting unit and the light receiving unit of the optical sensor are provided. A light shielding piece of a certain length provided on the reel passes between the two. Based on the detection result of the sensor, the position of the symbol on the reel in the rotation direction is determined, and the reels 110 to 112 are stopped so that the target symbol is displayed on the winning line.

  The winning line display lamp 120 is a lamp indicating the winning line 114 that is valid. The effective pay line is determined in advance by the number of medals bet as a game medium. There are five pay lines 114. For example, when one medal is bet, the middle horizontal pay line is valid, and when two medals are betted, the upper horizontal win line and the lower horizontal pay line are added. If three are valid and three medals are bet, five lines including a right-down winning line and an upper-right winning line are valid as winning lines. The number of winning lines 114 is not limited to five. For example, when one medal is bet, the middle horizontal winning line, the upper horizontal winning line, the lower horizontal winning line, the right Five down-line winning lines and upper-right winning lines may be set as valid winning lines, and the same number of winning lines may be set as valid winning lines regardless of the number of bets.

  The notification lamp 123 is, for example, a lamp that informs the player that a specific winning combination (specifically, a bonus) has been won internally in an internal lottery to be described later or that a bonus game is in progress. The game medal insertable lamp 124 is a lamp for notifying that the player can insert a game medal. The replay lamp 122 informs the player that the current game can be replayed (the medal need not be inserted) when winning a replay which is one of the winning combinations in the previous game. It is a lamp. The reel panel lamp 128 is an effect lamp.

  The bet buttons 130 to 132 are buttons for inserting a predetermined number of medals (referred to as credits) stored electronically in the slot machine 100. In this embodiment, each time the bet button 130 is pressed, a maximum of 3 cards are inserted, 2 when the bet button 131 is pressed, and 3 when the bet button 132 is pressed. It has become so. Hereinafter, the bet button 132 is also referred to as a MAX bet button. The game medal insertion lamp 129 lights up the number of lamps corresponding to the number of inserted medals, and when a prescribed number of medals are inserted, the game start is informed that the game can be started. The lamp 121 is turned on.

  The medal slot 141 is an slot for a player to insert a medal when starting a game. That is, the medal can be inserted electronically by the bet buttons 130 to 132, or an actual medal can be inserted (insertion operation) from the medal insertion slot 141. is there. The stored number display 125 is a display for displaying the number of medals stored electronically in the slot machine 100. The game information display 126 is a display for displaying various types of internal information (for example, the number of medals paid out during a bonus game) as numerical values. The payout number display 127 is a display for displaying the number of medals to be paid out to the player as a result of winning a winning combination. The stored number display 125, the game information display 126, and the payout number display 127 are 7-segment (14G) displays.

  The start lever 135 is a lever type switch for starting the rotation of the reels 110 to 112. That is, when a desired number of medals is inserted into the medal insertion slot 134 or the bet buttons 130 to 132 are operated and the start lever 135 is operated, the reels 110 to 112 start rotating. The operation on the start lever 135 is referred to as a game start operation.

  The stop button unit 136 is provided with stop buttons 137 to 139. The stop buttons 137 to 139 are button-type switches for individually stopping the reels 110 to 112 that have started rotating by operating the start lever 135, and are associated with the reels 110 to 112. Hereinafter, the operation on the stop buttons 137 to 139 is referred to as a stop operation, the first stop operation is referred to as a first stop operation, the next stop operation is referred to as a second stop operation, and the last stop operation is referred to as a third stop operation. Note that a light emitter may be provided inside each stop button 137 to 139, and when the stop button 137 to 139 can be operated, the light emitter may be turned on to notify the player.

  The medal return button 133 is a button that is pressed to remove a medal when the inserted medal is jammed. The payment button 134 is a button for adjusting the medals electronically stored in the slot machine 100 and the bet medals and discharging them from the medal payout exit 155. The door key hole 140 is a hole into which a key for unlocking the front door 102 of the slot machine 100 is inserted.

  Below the stop button unit 136 is provided a title panel 162 for displaying the model name and pasting various types of certificate. At the lower part of the title panel 162, a medal payout opening 155 and a medal tray 161 are provided.

  The sound hole 143 is a hole for outputting the sound of a speaker provided inside the slot machine 100 to the outside. The side lamps 144 provided on the left and right portions of the front door 102 are decorative lamps for exciting games. An effect device 160 is disposed above the front door 102, and a sound hole 143 is provided above the effect device 160. The effect device 160 includes a shutter (shielding device) 163 including two right shutters 163a and a left shutter 163b that can be opened and closed in a horizontal direction, and a liquid crystal display device 157 (not shown) disposed on the back side of the shutter 163. When the right shutter 163a and the left shutter 163b are opened outward in the horizontal direction in front of the liquid crystal display device 157, the display screen of the liquid crystal display device 157 (not shown) is displayed in front of the slot machine 100 (game). The structure appears on the person side). In addition, even if it is not a liquid crystal display device, it should just be comprised so that various effect images and various game information can be displayed, for example, a multi-segment display (7-segment display), a dot matrix display, an organic EL display, a plasma display , A reel (drum), or a display device including a projector and a screen. Further, the display screen has a rectangular shape and is configured so that the player can visually recognize the entire display screen. In the case of this embodiment, the display screen is rectangular, but may be square. In addition, a decorative object (not shown) may be provided on the periphery of the display screen, and a part of the peripheral edge of the display screen may be hidden by the decorative object, so that the display screen looks irregular. In the present embodiment, the display screen is a flat surface, but may be a curved surface.

  FIG. 2 is a front view showing the slot machine 100 with the front door opened. The housing 101 is a box body that is surrounded by the upper surface plate 261, the left side plate 260, the right side plate 260, the lower surface plate 264, and the back plate 242, and that opens to the front surface. Inside the casing 101, a main control unit board case 220 that houses a main control board is disposed at a position that does not overlap with the ventilation port 249 provided on the upper portion of the back plate 242. The three reels 110 to 112 are arranged below the bottom. On the side plate 260 on the side of the substrate case 210 and the reels 110 to 112, that is, the left side plate 260, the substrate case 210 containing the sub-control board is disposed. Further, an external concentrated terminal plate 248 that is connected to the main control board and outputs the information of the slot machine 100 to an external device is attached to the side plate 260 on the right side.

  The lower surface plate 264 is provided with a medal payout device 180 (device for paying out medals accumulated in a bucket), and has a power supply board above the medal payout device 180, that is, below the reels 110 to 112. A power supply device 252 is provided, and a power switch 244 is provided in front of the power supply device 252. The power supply device 252 converts the AC power supplied from the outside to the slot machine 100 into a direct current, converts it into a predetermined voltage, and supplies it to each control unit and each device such as the main control unit 300 and the first sub control unit 400. Furthermore, a power storage circuit (for example, a capacitor) for supplying power to a predetermined part (for example, the RAM 308 of the main control unit 300) for a predetermined period (for example, 10 days) even after the external power source is cut off is provided. Yes.

  A medal auxiliary storage 240 is arranged on the right side of the medal payout device 180, and an overflow terminal is arranged behind this (not shown). The power supply device 252 is provided with a power cord connecting portion for connecting a power cord 265, and the power cord 265 connected thereto extends to the outside through a power cord hole 262 provided in the back plate 242 of the housing 101. ing.

  The front door 102 is hinged to the left side plate 260 of the housing 101 via a hinge device 276, and an effect device 160 and an effect control board for controlling the effect device 160 are provided above the symbol display window 113. (Not shown), an upper speaker 272 is provided. Below the symbol display window 113, there are provided a medal selector 170 for selecting inserted medals, and a passage 266 through which medals pass when the medal selector 170 drops illegal medals etc. on the medal tray 161. Yes. Further, a bass speaker 277 is provided at a position corresponding to the sound hole 143. A relay terminal plate 279 is provided below the symbol display window to relay wiring to various effect devices. A vertically long locking device 280 is provided at the left end of the front door 102.

  Next, the circuit configuration of the control unit of the control unit of the slot machine 100 will be described in detail with reference to FIG. This figure shows a circuit block diagram of the control unit.

  The control unit of the slot machine 100 can be broadly divided into main effects according to a main control unit 300 that controls the progress of the game and a command signal (hereinafter simply referred to as “command”) transmitted by the main control unit 300. And a second sub-control unit 500 that controls various devices based on a command transmitted from the first sub-control unit 400.

  First, the main control unit 300 of the slot machine 100 will be described.

  The main control unit 300 includes a basic circuit 302 that controls the entire main control unit 300. The basic circuit 302 includes a CPU 304, control program data, lottery data used in the internal lottery of a winning combination, and reel stop. A ROM 306 for storing a position, a RAM 308 for temporarily storing data, an I / O 310 for controlling input / output of various devices, and a counter timer 312 for measuring time and frequency It is installed. Note that another storage device may be used for the ROM 306 and the RAM 308, and this is the same for the first sub-control unit 400 described later. The CPU 304 of the basic circuit 302 operates by inputting a clock signal of a predetermined period output from the crystal oscillator 314 as a system clock. Further, when the power is turned on, the CPU 304 transmits the frequency division data stored in the predetermined area of the ROM 306 to the counter timer 312. The counter timer 312 sets the interrupt time based on the received frequency division data. An interrupt request is transmitted to the CPU 304 at every interrupt time. In response to this interrupt request, the CPU 304 monitors each sensor and transmits a drive pulse. For example, when the clock signal output from the crystal oscillator 314 is set to 8 MHz, the frequency division value of the counter timer 312 is set to 1/256, and the data for frequency division of the ROM 306 is set to 47, the interrupt reference time is 256 × 47 ÷ 8 MHz. = 1.504 ms.

  The basic circuit 302 includes a random number generation circuit 316 that is used as a hardware random number counter that changes a numerical value in a range of 0 to 65535, and a start signal output circuit 338 that outputs a start signal (reset signal) when the power is turned on. When the activation signal is input from the activation signal output circuit 338, the CPU 304 starts game control.

  In addition, a voltage monitoring circuit 330 that monitors the voltage and a WDT 313 (watchdog timer) are provided.

  Further, the sensor circuit 320 is connected to the basic circuit 302, and the CPU 304 is inserted from various sensors 318 (a bet button 130 sensor, a bet button 131 sensor, a bet button 132 sensor, and a medal insertion slot 141 at every interruption time. Medal reception sensor, start lever 135 sensor, stop button 137 sensor, stop button 138 sensor, stop button 139 sensor, checkout button 134 sensor, medal payout sensor for medals paid out from the medal payout device 180, index sensor for reel 110 , The index sensor of the reel 111, the index sensor of the reel 112, etc.). The reset detection sensor 284 and the door opening detection sensor 285 are also monitored by the sensor circuit 320.

  When the sensor circuit 320 detects the H level of the start lever sensor, a signal indicating this detection is output to the random number generation circuit 316. Receiving this signal, the random number generation circuit 316 latches the value at that timing and stores it in a register that stores the random value used for the lottery.

  Two medal acceptance sensors are installed in the internal passage of the medal insertion slot 141 and detect whether or not a medal has passed. Two start lever 135 sensors are installed inside the start lever 135 and detect a start operation by the player. The stop button 137 sensor, the stop button 138 sensor, and the stop button 139 sensor are installed in each of the stop buttons 137 to 139, and detect the operation of the stop button by the player.

  The bet button 130 sensor, the bet button 131 sensor, and the bet button 132 sensor are installed in each of the medal insertion buttons 130 to 132, and the medals stored electronically in the RAM 308 are inserted as inserted medals into the game. Detecting the input operation when The settlement button 134 sensor is provided on the settlement button 134. When the settlement button 134 is pressed once, the medals stored electronically are settled. The medal payout sensor is a sensor for detecting a medal paid out by the medal payout device 180. Each of the above sensors may be a non-contact type sensor or a contact type sensor.

  The index sensor of the reel 110, the index sensor of the reel 111, and the index sensor of the reel 112 are installed at predetermined positions on the mounting bases of the reels 110 to 112, and each time a light shielding piece provided on the reel frame passes. Becomes L level. When detecting this signal, the CPU 304 determines that the reel has made one rotation, and resets the rotational position information of the reel to zero.

  The main control unit 300 is provided with a drive circuit 322 for driving a stepping motor provided on the reels 110 to 112, and a drive circuit 324 for driving a solenoid provided on a medal selector 170 for selecting inserted medals. A driving circuit 326 for driving a motor provided in the medal payout device 180 is provided, and various lamps 338 (a winning line display lamp 120, a notification lamp 123, a game medal insertion possible lamp 124, a re-game lamp 122, a game medal insertion lamp, and the like. 129 is provided with a drive circuit 328 for driving the game start lamp 121, the stored number display 125, the game information display 126, and the payout number display 127).

  Further, an information output circuit 334 (external concentration terminal board 248) is connected to the basic circuit 302, and the main control unit 300 is connected to an external hall computer (not shown) or the like via the information output circuit 334. The game information (for example, game state) of the slot machine 100 is output to the information input circuit 652 provided. Further, in the present embodiment, information indicating an error canceling method and information indicating that an error canceling operation is also output.

  In addition, the main control unit 300 includes an output interface for transmitting a command to the first sub control unit 400 and enables communication with the first sub control unit 400. Note that information communication between the main control unit 300 and the first sub control unit 400 is one-way communication, and the main control unit 300 is configured to be able to transmit signals such as commands to the first sub control unit 400. However, the first sub-control unit 400 is configured not to transmit a signal such as a command to the main control unit 300.

  Next, the first sub control unit 400 of the slot machine 100 will be described.

  The first sub control unit 400 receives a control command transmitted from the main control unit 300 via an input interface (a connector terminal described later), and controls the entire first sub control unit 400 based on the control command. The basic circuit 402 includes a CPU 404, a RAM 408 for temporarily storing data, an I / O 410 for controlling input / output of various devices, and a time and the number of times. A counter timer 412 is mounted. The CPU 404 of the basic circuit 402 operates by inputting a clock signal of a predetermined period output from the crystal oscillator 414 as a system clock, and controls the control program and data for controlling the entire first sub-control unit 400, lighting of the backlight A ROM 406 in which data for controlling patterns and various displays is stored is provided.

  The CPU 404 transmits the frequency division data stored in the predetermined area of the ROM 406 to the counter timer 412 via the data bus at a predetermined timing. The counter timer 412 determines an interrupt time based on the received frequency dividing data, and transmits an interrupt request to the CPU 404 at each interrupt time. The CPU 404 controls each IC and each circuit based on the interrupt request timing.

  The first sub-control unit 400 is provided with a sound source IC 418, and the sound source IC 418 is provided with speakers 272 and 277 via an output interface. The sound source IC 418 controls sound output from the amplifiers and speakers 272 and 277 in accordance with a command from the CPU 404. The sound source IC 418 is connected to an S-ROM (sound ROM) in which audio data is stored. The audio data acquired from the ROM is amplified by an amplifier and output from the speakers 272 and 277.

  The first sub-control unit 400 is provided with a drive circuit 422, and various lamps 420 (upper lamp, lower lamp, side lamp 144, title panel 162, etc.) are connected to the drive circuit 422 via an input / output interface. Provided. The drive circuit 422 also displays the release pattern on the release pattern display LED 290 based on the error release pattern transmission command transmitted from the main control unit 300.

  In addition, the CPU 404 transmits and receives signals to the second sub control unit 500 via the output interface. The second sub-control unit 500 of the slot machine 100 controls the effect image display device 157 and various effect drive devices 165. The second sub-control unit 500 may be configured by a plurality of control units such as a control unit that controls the liquid crystal display device 157 and a control unit that controls the various effect drive devices 165. The second sub-control unit performs display control of the effect image display device 157 and controls the drive device 165 for effect.

  Next, the substrate case 210 in the present embodiment will be described with reference to FIG.

  FIG. 4 is an exploded perspective view of the substrate case 210. The board case 210 has a space for housing a circuit board 703 and the like having a connector terminal 710 therein by engaging a first case 701 as an upper lid and a second case 702 as a storage base part with each other. It is configured so that it can be secured. In addition, a bearing portion 705 is provided on the upper portion of the second case 702, and a rotating shaft portion 704 is provided on the upper portion of the first case 701, and the bearing portion 705 is pivotally attached to the rotating shaft portion 704. From the closed state in which the first case 701 and the second case 702 are engaged, the first case 701 is rotated when the rotation shaft portion 707 is used as an axis, and is opened. In the closed state, the first locking portion 706 provided in the first case 701 and the second locking portion 707 provided in the second case 702 engage with each other, so that the opening operation is intentionally performed. If not, the closed state of the substrate case 210 is maintained. Details will be described later.

  Next, the first case 701 will be described with reference to FIG. 5A is a top view of the first case 701, FIG. 5B is a rear view of the first case 702, and FIG. 5C is a side view of the second case 701.

  As shown in FIGS. 5 (a), 5 (b), and 5 (c), the first case 701 is high enough to accommodate electronic components on the circuit board 703 (shown in FIG. 6 (a)). The center portion is provided with a plurality of outlets 707 for discharging heat from the cooling fan, and a plurality of air inlets 708 are provided on the left and right sides. A first locking portion 706 is provided on the right side surface of the first case 701. When the first case 701 and the second case 702 are combined, a second case 702 is provided on the second case 702, which will be described later. A closing means that engages with the locking portion to close the substrate case 210 is partially configured. However, in this state, it is in a temporarily fixed state that is not yet crimped. In addition, the left and right ends of the first case 701 are provided with openings 709 for exposing terminal portions of connector terminals (described later) provided on the right side of the circuit board 703 to the outside.

  Next, the second case 702 will be described with reference to FIG. 6A is a top view of the second case 701, FIG. 6B is a rear view of the second case 702, and FIG. 6C is a side view of the second case 701.

  As shown in FIGS. 6A, 6B, and 6C, the second case 701 is formed in a box shape that can accommodate the circuit board 703 therein. A plurality of air inlets 708 are provided on the bottom surface of the second case 702. Further, the second locking portion 707 is provided on the right side surface of the second case 702. As described above, when the substrate case 210 is closed, the first locking portion 706 and the second locking portion 707 are provided. Are engaged and temporarily fixed.

  The connector terminal 710 provided on the circuit board 703 is provided at the right end of the circuit board. When the connector terminal 710 is mounted on the second case 702, the connector terminal 710 is positioned in the vicinity of the second locking portion 707 provided on the left side surface portion. Therefore, the closing function is configured by inserting the function of the cover for the connector terminal 710 into the connector cover, which will be described later, and the engaging portion of the first locking portion and the second locking portion, and the first case 701 and the second case 701. The case 702 cannot be opened.

  Thus, by providing the connector terminal 710 in the vicinity of the closing means, it is possible to have two functions, that is, the function of the cover case and the function of the caulking member with one relatively small component.

  The first locking portion 706 and the second locking portion 707 are provided at positions corresponding to each other as shown in the upper side view of FIG. 7 and the right side view of FIG. When the second case 702 is combined, the two locking portions engage.

  Next, the connector cover 750 will be described with reference to FIG. 9A is a perspective view of the connector cover 750, FIG. 9B is a top view of the connector cover 750, FIG. 9C is a front view of the connector cover 750, and FIG. 9D is a connector cover 750. FIG.

  As shown in FIG. 9A, the connector cover 750 roughly forms a closing means together with a cover portion 751 that covers the connector terminal 710 on the circuit board 703, the first locking portion 706, and the second locking portion 707. And a cover caulking portion 752. At the lower part of the connector cover 751, two left and right wiring lead portions 753 for pulling out harnesses (wiring) connected to the connector terminals 710 to the outside of the connector cover are provided. Further, as shown in FIG. 9B, the cover caulking portion 752 is provided with two breaking holes 754. When the substrate case 210 is opened once after being caulked, it is used for breaking. By closing and separating the cover portion 751 and the cover caulking portion 752 along the hole portion 752, a closing means constituted by the cover portion 751, the first locking portion, the second locking portion, and the cover caulking portion 752. As a result of the separation, the cover portion 751 can be removed alone. Further, as shown in FIG. 9C, two cover portion engaging pieces 755 for engaging with closing means described later are provided at the lower portion of the cover crimping portion 752, and at the lower portion of the cover engaging piece 755. A cover portion engagement hole 756 is provided.

  Next, using FIG. 10 to FIG. 12, an explanation will be given of how the first locking portion 706, the second locking portion 707, and the cover crimping portion 752 are engaged when the caulking state is reached. Do.

  As shown in FIG. 10, the first locking portion 706, the second locking portion 707, and the cover portion caulking portion 752 are formed by combining the first case 701, the second case 702, and the connector cover 750 as the substrate case 210. The connector terminal 710 provided on the circuit board 703 is provided at a position where it engages at the right end of the case 210 and through the opening 709.

  As shown in FIG. 11A, first, the first case 701 and the second case 702 are engaged to bring the substrate case 210 into a temporarily fixed state. At this time, the connector terminal 710 passes through the opening 709, and the first locking portion 706 and the second locking portion 707 are engaged to partially form the closing means 770. FIG. 11B is an enlarged cross-sectional view of the closing means 770. The second locking portion 707 is provided with a pair of engagement claw portions 774 on the bottom surface of a box-shaped storage portion 773 whose upper portion is open. The engaging claw portion 774 has two claw portions on the inner side and the outer side, and is engaged with an engaging projection portion of a first locking portion 706 described later on the inner claw portion 775, and also the outer claw portion. A portion 776 is engaged with a cover caulking portion 752 (described later). The first locking portion 706 is configured to include an engagement protrusion 772 inside a hollow rectangular column 777 having an opening at the top and bottom, and the engagement protrusion 772 is a T-shaped with the upper portion projecting left and right. The projecting portion is formed to be slightly wider than the width of the pair of inner claw portions 775 of the second locking portion 707, and the engaging protrusion 772 is a pair of inner claw when closed. Engaging while expanding the portion 775 to the left and right, when the inner claw 775 that has expanded when it is in the engagement position returns to the original position, the first locking portion 706 and the second locking portion 707 are temporarily fixed It becomes a state. When it is desired to open the substrate case 210 from this state, the temporarily fixed state is released by spreading the pair of engaging claw portions 774 left and right from the upper opening of the first locking portion 706, and the substrate case 210 is released. The opening operation may be performed.

  Also, as shown in FIG. 12A, the closing means 780 is formed by engaging the cover caulking portion 755 of the connector cover 750 from the temporarily fixed state, and the substrate case 210 is caulked. FIG. 12B is an enlarged cross-sectional view of the closing means 780. In FIG. 11 (b), the cover caulking portion 755 is inserted between the engaging claw portion 774 and the rectangular column 777 in the closed state where the engaging projection portion 772 is engaged inside the engaging claw portion 774. Thus, the outer claw portion 776 is fitted into the cover portion engaging hole 756. In this state, the engagement claw portion 774 is sandwiched between the engagement projection portion 772 and the cover portion engagement piece 755 and cannot move, and the upper opening is closed by the cover portion caulking portion 752. You will not be able to touch 774. Therefore, when it is desired to reopen the substrate case 210 from the closed state, it cannot be opened unless the closing means 780 is broken and separated from the substrate case 210.

  As described above, the board case of the present invention is a closure that sandwiches a circuit board having an input or output terminal between the first case and the second case, and closes the first case and the second case. And a circuit board case for housing at least a part of the circuit board excluding the terminal in the case when closed, the terminal cover capable of housing the terminal therein, the terminal cover comprising the terminal And a caulking portion that engages with the closing means.

  In the above-described embodiment, when the substrate case 210 formed by the first case 701 and the second case 702 is provided with the first locking portion 706 and the second locking portion 707 and the substrate case 210 is closed, 2 The two locking portions are engaged to be in a temporarily fixed state. In this state, the substrate case 210 can be opened again by operation. When the substrate case 210 is desired to be in a sealed state (so-called caulking state) that cannot be opened, it has a function of covering the input / output terminals that have caulking portions and are exposed to the outside of the substrate case 210. Further, the closing means 780 is formed by further fitting the connector cover 750 with the closing means, and the substrate case 210 is caulked.

  Accordingly, since one member can have a function of preventing fraud with respect to the connector terminal 710 and a function of a caulking pin that caulks the substrate case 210, it is possible to provide an illegally strong substrate case at low cost.

  According to another aspect of the present invention, the first case or the second case further includes an opening that exposes the terminal to the outside when the housing is in the housed state.

  In the embodiment described above, the opening 709 is provided in the first case 701 at a position corresponding to the connector terminal 710 provided on the circuit board 703.

  Therefore, since only the connector terminal 710 can be exposed to the outside without exposing the circuit board 703, the structure is difficult to perform fraud.

  In another aspect of the present invention, the closing means is further provided in the vicinity of the terminal.

  In the embodiment described above, the first locking portion 706 and the second locking portion 707 constituting the closing means 770 are provided on the right side surface portion of the substrate case 210 in the vicinity of the connector terminal 710 provided on the circuit board 703. ing.

  Therefore, the connector cover 750 can be formed small, and the caulking operation can be performed relatively easily.

  According to another aspect of the present invention, the closing means further includes a first locking portion provided in the first case and a second locking portion provided in the second case, The storage portion is brought into engagement by engagement between the locking portion and the second locking portion.

  In the above-described embodiment, when the first locking portion 706 provided in the first case 701 and the second locking portion 707 provided in the second case 702 are in a closed state, It was set as the structure which can engage and can temporarily close a closed state.

  Therefore, it is possible to flexibly cope with the case where it is desired to temporarily close the substrate case 210 depending on the development status and manufacturing mode.

  Further, in another aspect of the present invention, at least one of the first locking portion or the second locking portion is configured to be elastically deformable, and the first locking portion or the second locking member is closed during a closing operation. After the stop portion is elastically deformed, the closed state is set.

  In the above-described embodiment, the second locking portion 707 is provided with a pair of engaging claw portions 755 on the bottom surface of the box-shaped storage portion 773 having an open top, and the engaging claw portions 755 are elastically deformed. The inner claw portion 775 engages with the engagement protrusion 772 of the first locking portion 706.

  Therefore, since the function of the closing means can be provided only by the shape of the case without newly providing a temporary fixing means, the cost can be reduced.

  In another aspect of the present invention, the terminal cover further includes a wiring lead portion for guiding the wiring connected to the terminal to the outside of the terminal cover.

  In the embodiment described above, the wiring lead-out portion 753 for guiding the wiring coming out from the connector terminal 710 to the outside is provided on the side surface portion of the connector cover 750.

  Therefore, the connector terminal 710 can be reliably closed without the wiring being obstructed and the connector cover 750 not being closed.

  According to another aspect of the present invention, the closing means further includes a claw portion that is elastically deformed and a locking portion that engages with the claw portion, and the caulking portion is engaged with the claw portion. The claw portion is in a state of being sandwiched between the locking portion and the caulking portion when the caulking portion is engaged with the closing means.

  In the embodiment described above, when the cover caulking portion 755 is inserted in a state where the first locking portion 706 and the second locking portion 707 are temporarily fixed, the engaging claw portion provided on the second locking portion 707 is provided. The 774 is sandwiched between the engaging protrusion 772 and the cover engaging piece 755 and cannot move, and is in a so-called caulking state.

  Therefore, even if the engaging claw portion 774 is attempted to be illegally operated, it is sandwiched between the two members so that the engaging claw portion 774 does not move. Therefore, a caulking portion that is strong against unauthorized operation can be provided.

  In another aspect of the present invention, the claw portion further includes a first claw portion that engages with the locking portion and a second claw portion that engages with the caulking portion, in one claw member. It was characterized by being.

  In the above-described embodiment, the engagement protrusion provided on the first locking portion 706 in a state where the outer claw 775 is provided outside the engagement claw 774 and the inner claw 776 is provided on the inside to be temporarily fixed. 772 and the cover crimping portion 755 of the connector cover 750 are engaged with the respective claw portions.

  Therefore, since two members can be brought into an engaged state by one claw member, the cost can be reduced.

  As mentioned above, although the Example of this invention was described, it has only illustrated the specific example and does not specifically limit this invention. Further, the actions and effects described in the embodiments of the invention only list the most preferable actions and effects resulting from the present invention, and the actions and effects according to the present invention are described in the embodiments of the present invention. It is not limited to what was done.

  The present invention can be applied to a substrate case used in a game machine represented by a slot machine, a pachinko machine, and the like.

DESCRIPTION OF SYMBOLS 100 ... Slot machine 210 ... Board case 701 ... 1st case 702 ... 2nd case 706 ... 1st latching | locking part 707 ... 2nd latching | locking part 750 ... Connector cover 752 ... Cover crimping part 780 ... Closing means

Claims (8)

A circuit board having an input or output terminal is sandwiched between the first case and the second case, and a closing means for closing the first case and the second case is provided, and the terminal is removed at the time of closing. A board case for housing at least a part of the circuit board inside the case,
A terminal cover capable of accommodating the terminal therein;
The terminal cover is
A cover for covering the terminals;
A substrate case comprising a caulking portion that engages with the closing means.   The substrate case according to claim 1, wherein the first case or the second case includes an opening that exposes the terminal to the outside when the housing is in the housed state.   The substrate case according to claim 1, wherein the closing means is provided in the vicinity of the terminal.   The closing means includes a first locking portion provided in the first case and a second locking portion provided in the second case. The first locking portion and the second locking portion are The substrate case according to any one of claims 1 to 3, wherein the substrate case is brought into the housed state by being engaged.   At least one of the first locking portion or the second locking portion is configured to be elastically deformable, and after the first locking portion or the second locking portion is elastically deformed during the closing operation, the closed state The substrate case according to any one of claims 1 to 4, wherein:   6. The substrate case according to claim 1, wherein the terminal cover includes a wiring lead portion that guides wiring connected to the terminal to the outside of the terminal cover. The closing means includes a claw portion that is elastically deformed and a locking portion that engages with the claw portion,
The caulking portion has an engagement piece that engages with the claw portion, and the claw portion is sandwiched between the locking portion and the caulking portion when the caulking portion is engaged with the closing means. The substrate case according to any one of claims 4 to 6, wherein   The said nail | claw part has provided the 1st nail | claw part engaged with the said latching | locking part, and the 2nd nail | claw part engaged with the said caulking part in one claw member, It is characterized by the above-mentioned. Board case.

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