JP2012000366A - Board case - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a tamper-resistant board case of a game machine as represented by a slot machine, a Pachinko machine or the like.SOLUTION: A first case 701 includes a first box-shaped case 705 on the upper right side, and a first overhang 706 on the upper left side. A second case 702 includes a second overhang 707 on the upper right side, and a second box-shaped case 708 on the upper left side. The second overhang 707 is fitted into the first box-shaped case 705 and the first overhang 706 is fitted into the second box-shaped case 708 when the first case 701 and the second case 702 are engaged, and four caulking sections are formed. Caulking pins 710 are inserted into a pair of right and left positions in caulking, and caulking is to be broken at the first box-shaped case 705 and the second box-shaped case 708. The marks of the caulking break remain in both the first case 701 and the second case 702.

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 sealing device is sealed, the sealed case cannot be opened again without breaking the sealed portion, and the caulking operation is performed once. In general, a substrate case is made such that when the sealed substrate case is opened, the trace remains, and the opening history can be understood later (for example, Patent Document 1).

JP-A-10-328385

  However, recently, using two board cases, the two base cases are broken and the parts are taken out so that the upper case, the lower case, and the caulking parts with no trace of unsealing remain (for example, the board case A is lower). Only the case is destroyed, leaving the upper case and the caulking screw, and in the case B, only the upper case is destroyed and the lower case and the caulking screw are left.) A new caulking substrate case is created and an illegal control board is stored inside. Thus, there has been a problem that fraud is performed that cannot be distinguished from a regular game board in appearance.

  In view of the above problems, an object of the present invention is to provide a base case that is difficult to perform fraud.

  In order to achieve the above object, a gaming machine according to the present invention has sealing means for engaging the first case and the second case so as to sandwich the circuit board and sealing the opening and closing of the first case and the second case. A board case provided with a first sealing part and a second sealing part formed by engagement of the first case and the second case, wherein the first sealing part is provided in the first case. Further, the first breaking portion and the second sealing portion are configured to include a second breaking portion provided in the second case.

  As described above, the present invention can provide an illegally strong base 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. It is a perspective view which shows the closed state of a substrate case. (A) It is a front view of a 1st case. (B) It is a side view of the 1st case. (A) It is a front view of a 2nd case. (B) It is a side view of the 2nd case. It is a perspective view of a caulking pin. (A) It is AA sectional drawing which looked at the 1st case and 2nd case which were in the engagement state from the right side. (B) It is CC sectional drawing which looked at the 1st case and 2nd case which were in the engagement state from the right side surface. (C) It is sectional drawing which looked at the 1st case and 2nd case which were in the engagement state from the front. (A) It is a side view of a caulking pin. (B) It is sectional drawing which shows the insertion position of a 2nd case and a crimping pin. (C) It is sectional drawing which shows the insertion position of a 1st case and a crimp pin. (D) It is sectional drawing of the crimping part used as the crimping state. It is a perspective view which shows the crimping method of this invention.

  DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, preferred embodiments of the invention will be described in detail with reference to the accompanying 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 housing 101, a board case 210 that houses the main control board is disposed at a position that does not overlap with the ventilation port 249 provided at the upper part of the back plate 242. Reels 110 to 112 are arranged. On the side plate 260 on the side of the substrate case 210 and the reels 110 to 112, that is, on the left side plate 260, a sub control substrate storage case 220 that stores a sub control substrate 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 on the front surface 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 264, and the power cord 264 connected thereto extends to the outside through a power cord hole 262 opened 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 basic circuit 302 is provided with a sensor circuit 320, 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 slot 141 every interruption time). Medal medal acceptance sensor, start lever 135 sensor, stop button 137 sensor, stop button 138 sensor, stop button 139 sensor, settlement button 134 sensor, medal medal payout sensor paid out from medal payout device 180, index sensor for reel 110, The index sensor of the reel 111, the index sensor of the reel 112, etc.) are monitored. 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 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 in the reel devices 110 to 112, and a drive circuit 324 for driving a solenoid provided in a medal selector 170 for selecting inserted medals. In addition, a drive circuit 326 for driving a motor provided in the medal payout device 180 is provided, and various lamps 339 (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) The lamp 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.

  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 includes a basic circuit 402 that receives a control command transmitted from the main control unit 300 via an input interface 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 counter timer 412 for measuring time and frequency. It is installed. 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.

  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 (for example, the shutter 163). 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 substrate case 210 is configured so that a space for storing a circuit board and the like can be secured by engaging a first case 701 as an upper lid and a second case 702 as a storage base portion with each other. Yes. Further, a bearing portion 706 is provided at the lower portion of the first case 701, and a rotating shaft portion 707 is provided at the lower portion of the second case 702. The bearing portion 706 is attached to the rotating shaft portion 707. 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, as shown in FIG. 5, the closing and fixing hole 704 provided in the first case 701 and the closing and fixing convex portion provided in the second case 702 are fitted together. If the opening operation is not intentionally performed, the closed state of the substrate case 210 is maintained.

  Further, a first box-type case 705 that forms a caulking portion, which will be described later, is provided on the upper right side of the first case 701, and a first overhanging portion 706 is provided on the upper left side, respectively. Similarly, on the upper right side of the second case 702 is a second overhanging portion 707 that engages with the first box-type case 705 of the first case 701 to form a crimped portion, and on the upper left side is the first case. Two second box-type cases 708 that engage with the overhanging portion 706 of 701 to form a crimped portion are provided at two locations.

Next, the first case 701 will be described with reference to FIGS. 6 and 7. 6A is a front view of the first case 701, and FIG. 6B is a cross-sectional view taken along line AA of the first case 701. FIG. 7A is a front view of the second case 702, and FIG. 7B is a cross-sectional view taken along the line BB of the second case 702. As shown in FIG. 6A and FIG. The case 701 is provided with a first side wall portion 721 for securing a height capable of accommodating the thickness of a circuit board (not shown) on four sides of a rectangular lid portion 720, and the central portion is a circuit board. The business trip part 722 is provided so that it can be accommodated even when a relatively high part is provided on the top. The left side of the first case 701 is provided with a plurality of connector holes 723 so that external output terminals such as connectors can be exposed from the circuit board.

  In addition, two first box-type cases 705 are provided on the upper right side of the lid 720, and two first overhangs 706 are provided on the upper left side (in FIG. 6, the first overhang 706 is Hidden on the back side). In addition, the first box-type case 705 is provided with a first storage portion 724 configured to be capable of storing a second overhang portion 707 described later.

  Further, as shown in FIGS. 7A and 7B, the second case 702 has a height enough to accommodate the thickness of the circuit board around the flat bottom plate 730 to which the circuit board is fixed. A second side wall portion 731 is provided on all sides of the bottom plate 730, and a plurality of support ribs 733 for reinforcement are provided on the inner surface side of the second side wall portion 731. Further, on the left side of the second case 702, an attachment protrusion 732 for attaching to a substrate housing (not shown) for fixing the substrate case 210 to the back plate 242 is provided.

  Further, two second projecting portions 707 are provided on the upper right side of the bottom plate 730, and two second box cases 708 are provided on the upper left side.

  Thus, on the upper right side of the base case 210, the second overhanging portion 707 is housed in the first box-type case 705 from the back surface side to the front surface side, and on the upper left side, the first overhanging portion 706 includes the second overhanging portion 706. The box-shaped case 708 is housed from the front side to the back side.

  Next, the caulking pin which is the sealing means of the present invention will be described with reference to FIG. FIG. 8 is a perspective view of the caulking pin.

  The caulking pin 710 is formed of a synthetic resin or the like, and is configured such that the caulking pin body portion 741 protrudes from the elliptical base portion 740. The caulking pin body portion 741 is provided with a metal piece embedding portion 744. By embedding a metal piece in this portion, an illegal act such as destroying the caulking pin 710 itself from the upper portion of the caulking pin 710 using a drill or the like. It is preventing. In addition, since the caulking portions in this embodiment are provided at two positions on the left and right sides of the substrate case 210, the two caulking pins 710 are connected by a connecting portion 711 for connecting the two caulking pins to facilitate handling at the time of manufacture. Yes.

  Further, the tip portion of the caulking pin 710 is configured by a caulking pin locking portion 742 including a caulking pin flange portion 743 whose lateral width changes (shrinks) toward the center of the caulking pin 710 by pressing from the side. Yes.

  Next, an aspect when the first case and the second case are in the closed state will be described with reference to FIG. 9A is a cross-sectional view taken along line AA in FIG. 6A and a cross-sectional view taken along line BB in FIG. 7A. The first case 701 and the second case 702 are in an engaged state. 9B is a cross-sectional view taken along the line CC in FIG. 6A and a cross-sectional view taken along the line DD in FIG. 7A. The first case 701 and the second case 702 are in an engaged state. FIG. 9C is a front view in which the first case 701 and the second case 702 in the engaged state are in a crimped state with a crimping pin 710.

  In FIG. 9A, the first case 701 includes a base portion storage portion 751 provided in the first box-type case 705 in which the base portion 740 of the crimping pin 710 is stored when the crimping state is reached, and the crimping pin 710. There are provided two first caulking pin insertion holes 752 into which are inserted.

  The second overhanging portion 707 of the second case 702 is provided with a second caulking pin insertion hole 753 into which the caulking pin 710 is inserted.

  When the first case 701 and the second case 702 are engaged, the first overhanging portion 707 is housed in the first housing portion 724, whereby the first caulking pin insertion hole 752 and the second caulking pin insertion hole 753. Is in a communication state, and a caulking pin 710 can be inserted.

  In this state, as shown in FIGS. 10A, 10B, and 10C, when the caulking pin 710 is inserted, the first caulking pin insertion hole 752 provided in the first case 701 is penetrated, The base part 740 of the caulking pin 710 is fitted into the caulking pin base part receiver 751 as shown in FIG. 10 (d) through the second caulking pin insertion hole 753.

  Further, as shown in FIG. 9C, the first box-type case 705 provided on the upper right side of the first case 210 is a box-type case supported by ribs 757 at the four corners, and releases the caulking state. At this time, the base case 210 can be opened by breaking the ribs 757 at the four corners.

  In addition, a positioning convex portion 758 is provided along the outer periphery of the second overhang portion 707 of the second case 702, and the second overhang portion 707 is housed in the center so as to protrude forward. A caulking pin locking portion 742 of the caulking pin 710 is inserted into the second overhanging portion 707. When the caulking pin collar 743 is inserted into the first caulking pin insertion hole 752 and the second caulking pin insertion hole 753, the lateral width of the caulking pin collar 743 is reduced and penetrates, but the collar of the second overhanging section 707 When reaching the storage portion 759, the caulking pin collar 743 is in a normal state and spreads in the lateral direction. Even if the caulking pin 710 is to be pulled out from this state, the caulking pin collar 743 is caught by the second caulking pin insertion hole 753 and pulled out. It becomes a so-called caulking state that cannot be performed.

  The CC cross section and DD cross section in the caulking portion on the upper left side of the substrate case 210 are also realized by reversing the front and back surfaces of the above configuration.

  That is, as shown in FIG. 9B, in the second case 702, the second storage portion 725 provided in the second box-type case 708 in which the base portion 740 of the crimp pin 710 is stored when the crimped state is established. In addition, two third caulking pin insertion holes 755 into which caulking pins 710 are inserted are provided.

  Further, the first overhanging portion 706 of the first case 701 is provided with a fourth caulking pin insertion hole 756 into which the caulking pin 710 is inserted.

  When the first case 701 and the second case are engaged, the third overhanging portion 706 is housed in the second housing portion 725 so that the third caulking pin insertion hole 755 and the fourth caulking pin insertion hole 756 are formed. The communication state is established and the caulking pin 710 can be inserted.

  Next, the caulking method in this embodiment will be described with reference to FIG.

  As shown in FIG. 11, in the substrate case of the present embodiment, four caulking portions are provided in two places on the left and right sides, but two caulking operations are performed in one place on the left and right sides by one caulking operation. Do. That is, the caulking operation can be performed twice in total for the first caulking portion 760 and the second caulking portion 761. It should be noted here that if the caulking operation is performed on only the upper left side of the substrate case 210 or only the upper right side at two places in the right and left caulking portions, only the first case 701 or only the second case 702 is traced. Since it remains, such a caulking operation is not performed. By performing the caulking operation one by one on the left and right sides, the first case 701 and the second case 702 need to be broken when the caulking is broken, and the ribs 757 of the first box type case 705 and the second box type case 708 need to be broken. It becomes possible to leave traces of breakage for both.

  In this way, when the first case 701 and the second case 702 are in the engaged state by providing the box-shaped case and the overhanging portion of the same shape on the upper and left sides of the base case 210 oppositely on the front and back sides. The four caulking portions have the same function, but the caulking is broken because the first case 701 needs to be broken on the upper right side of the base case 210 and the second case 702 needs to be broken on the upper left side of the base case 210. Then, since both the first case and the second case are broken, unauthorized use of parts can be prevented.

  As described above, the board case of the present invention includes sealing means for engaging the first case and the second case so as to sandwich the circuit board and sealing the opening and closing of the first case and the second case. A first sealing part and a second sealing part formed by engagement of the first case and the second case, wherein the first sealing part is provided on the first case. The first breakage portion and the second sealing portion include a second breakage portion provided in the second case.

  In the embodiment described above, the first breaking portion is constituted by the first box-type case 705 provided in the first case 701, and the caulking portion formed on the upper right side of the base case 210 including the first box-type case 705. Was the first sealed part. Similarly, the second breaking portion is configured by a second box type case 708 provided in the second case 702, and the caulking portion formed on the upper left side of the base case 210 including the second box type case 708 is the second portion. The seal part was used.

  Therefore, in order to open the substrate case 210 after the left and right crimped portions are crimped and the left and right portions of the substrate case 210 are sealed, the first box type case 705 and the second box type case 708 are broken. As a result, both the first case 701 and the second case 702 have traces of breakage, and members are not misappropriated.

  Further, in another aspect of the present invention, the first sealing portion is provided in the first case, and a first caulking portion provided with the first breaking portion and a second caulking portion provided in the second case. The second sealing part is provided in the second case, the third crimping part provided with the second breaking part, and the first case. It is characterized by being formed by engaging with the fourth caulking portion.

  In the above-described embodiment, the first box type case 705 is used as the first caulking part, the second overhanging part 707 is used as the second caulking part, the second box type case 708 is used as the third caulking part, and the fourth caulking part is used. A first overhanging portion 706 is provided, the first box-shaped case 705 and the second overhanging portion 707 are on the upper right side of the substrate case 210, and the second box-shaped case is on the upper left side of the substrate case 210. A second sealing portion is provided at 708 and the first overhang portion 706, respectively.

  Therefore, since the crimped portions are formed on the left and right sides of the substrate case 210 simply by engaging the first case and the second case, the sealing portion can be formed efficiently.

  According to another aspect of the present invention, the first sealing portion and the second sealing portion are further provided with insertion holes into which the sealing means are inserted.

  In the embodiment described above, when the first case 701 and the second case 702 are engaged, the first caulking pin insertion hole 752 provided in the first box-type case 705 and the second provided in the second overhanging portion 707 are used. The caulking pin insertion hole 753 is positioned on a straight line so that an insertion hole through which the sealing means can pass is formed.

  Therefore, since it becomes possible to perform sealing only by penetrating the sealing means through the formed insertion hole, the substrate case 210 can be crimped with a simple operation.

  Further, in another aspect of the present invention, the first fracture portion is formed by a rib supported from the first case, and the second fracture portion is formed by a rib supported from the second case. It was characterized by being.

  In the above-described embodiment, the four corners of the first box-type case 705 are supported by the ribs 757 (the same applies to the second box-type case 708). It was configured to allow the release operation.

  Accordingly, the seal release operation can be easily performed by a nipper or the like, and the box-shaped case is opened in a state of being integrated with the overhanging portion, so that an unnecessary waste member does not have to be taken out.

  Further, in another aspect of the present invention, the sealing means is constituted by a caulking pin whose shape of the tip end portion is variable, and the sealing portion includes a caulking pin locking portion capable of accommodating the tip end portion therein. It is characterized by comprising.

  In the above-described embodiment, the sealing means is constituted by the caulking pin 710, and the caulking pin locking portion 742 including the caulking pin flange portion 743 whose lateral width changes (reduces) toward the center of the caulking pin 710. The caulking pin locking portion 742 is configured to be locked in, for example, the second overhanging portion 707 so that a sealed state can be secured.

  Therefore, it is not necessary to prepare a screwdriver for operating the caulking screw or the like, and the caulking operation can be performed simply by pressing the caulking pin.

  Moreover, in another aspect of the present invention, the sealing portion further includes a box-type case that houses the caulking pin locking portion.

  In the above-described embodiment, when the substrate case 210 is engaged, the second overhanging portion 707 is accommodated in the first accommodating portion 724 of the first box-type case 705, and the second box-type case 708 is The first overhanging portion 706 is accommodated in the two accommodating portion 725.

  Therefore, since the box-type case and the overhanging portion must be broken in order to illegally operate the caulking pin collar portion 743 in the crimped state from the outside, it is possible to make the unauthorized operation difficult.

  In another aspect of the present invention, the first caulking portion and the third caulking portion, and the second caulking portion and the fourth caulking portion are formed in the same shape. did.

  In the above-described embodiment, the first box-type case 705 that is the first caulking portion and the second box-type case 708 that is the third caulking portion have the same shape, and the second overhanging portion 707 that is the second caulking portion, The 1st overhang | projection part 706 which is a 4th crimping part was comprised by the same shape. Here, the shapes do not need to be completely matched, but may be substantially matched.

  Therefore, since two of the four caulking portions can be designed in common, the design 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 ... Substrate case 701 ... 1st case 702 ... 2nd case 710 ... Caulking pin 705 ... 1st box-type case 706 ... 1st overhang | projection part 707 ... Second overhanging part 708 ... Second box type case

Claims (7)

A board case having sealing means for engaging the first case and the second case so as to sandwich the circuit board and sealing the opening and closing of the first case and the second case,
A first sealing portion and a second sealing portion formed by engagement of the first case and the second case;
The first sealing portion includes a first breaking portion provided in the first case,
The substrate case, wherein the second sealing portion includes a second breaking portion provided in the second case. The first sealing part is
A first caulking portion provided in the first case and provided with the first breaking portion;
Formed by engaging with a second caulking portion provided in the second case,
The second sealing part is
A third caulking portion provided in the second case and provided with the second breaking portion;
The substrate case according to claim 1, wherein the substrate case is formed by engaging a fourth caulking portion provided in the first case.   The substrate case according to claim 1 or 2, wherein an insertion hole into which the sealing means is inserted is formed in the first sealing portion and the second sealing portion.   The first breakage portion is formed by a rib supported from the first case, and the second breakage portion is formed by a rib supported from the second case. Item 4. The substrate case according to any one of Items 3 to 3. The sealing means is composed of a caulking pin whose tip shape is variable,
The substrate case according to claim 4, wherein the breaking portion includes a caulking pin locking portion capable of accommodating the tip portion therein.   The substrate case according to any one of claims 1 to 5, wherein the sealing portion includes a box-shaped case that houses the caulking pin locking portion.   The said 1st crimping part and the said 3rd crimping part, and the said 2nd crimping part and the said 4th crimping part are formed in the same shape, The any one of Claims 2-6 characterized by the above-mentioned. The board case described.

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