JP2009178176A - Board case - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a board case allowing a user to easily check an engagement of a mechanical sealing of the case body and the case lid body when the board case for housing a game machine control board is sealed, and to provide a game machine with the board case. <P>SOLUTION: The board case 90 comprising the case body 210 and the case lid body 260 houses a main control board. One side edges of the board case 90 are coupled with a hinge-structure, and the other side edges are engaged with a lock pin mechanism 280 when the board case 90 is closed. The lock pin mechanism 280 includes a latch for releasing the stopper of a lock pin 283 by a lock knob 219 that is provided on the case body 210. The lock knob 219 presses a latch end part so that the stopper of the lock pin 283 could be released when the board case 90 is closed, and the lock pin 283 is activated by a coil spring so as to pierce a rib 275, so that the lock pin mechanism is engaged with the case lid body. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a board case for housing and sealing a game control board for controlling gaming machines such as slot machines and pachinko machines, and more particularly to a board case suitable for preventing unauthorized actions such as unauthorized opening and substitution. Is.

  In general, a gaming machine such as a slot machine or a pachinko machine has a reel control operation in a slot machine, for example, by a main control board in a game control board on which a microcomputer on which electronic parts such as a CPU, a ROM, and a RAM are mounted. In addition to paying out medals, probability of winning a prize, etc., it controls the operation of an accessory in a pachinko machine and pays out pachinko balls. In addition to the main control board, there is also a sub-control board that performs substantive control regarding the balls.

  Conventionally, in such a gaming machine, the ROM that stores the game control board program is replaced with an illegal one, or an illegal signal is given to the game control board from the outside. Fraudulent behavior such as having no games played is a problem. For this reason, the game control board is usually accommodated in a board case made of transparent plastic. The board case in which the game control board is accommodated is hereinafter referred to as “game control board assembly”. And in patent document 1, the seal sticker which consists of a film sheet of paper or a resin is stuck across the case main body of a game control board assembly, and the case cover body which counters this case main body, and these game control boards Techniques for sealing the assembly are disclosed.

Furthermore, in Patent Document 2, the substrate case is closed using special engagement means called “caulking” that engages the main body engagement member of the case main body and the mounting engagement member of the case lid with a connection member, A technique for preventing easy opening is disclosed. Further, Patent Document 2 discloses a technique for facilitating the discovery of fraud by leaving a trace of destruction even if it is opened.
JP-A-10-249024 JP 2004-209238 A

However, in the conventional game control board assembly, with only the sealing structure using the sealing seal described in Patent Document 1, for example, a sharp blade or the like can be inserted into a slight gap between the members to be sealed. When the seal is cut so as to be inconspicuous, there has been a problem that discovery of the fraud is delayed.

  Further, in the case of the prior art described in Patent Document 2 in which the main body engaging member of the case main body and the mounting engaging member of the case lid are engaged by the connecting member, the game control board is mounted on the board when the game control board assembly is assembled. Insert the connecting member into one pair of the main body engaging member of the case main body and the mounting engagement member of the case lid, and then close the case main body and the case lid, Press against the body engaging member. However, whether or not the connecting member reliably engages the main body engaging member of the case main body and the mounting engaging member of the case lid cannot be confirmed simply by visual observation through a transparent plastic. It is necessary to confirm that the body and the case body cannot be removed again by pulling the body and the case body, and if the force is excessively applied, the connecting portion of the mounting engagement member may be damaged.

  The present invention has been made in view of these conventional problems, and when sealing a board case containing a game control board, it is easy to confirm the engagement state of the mechanical seal between the case body and the case lid, It is an object of the present invention to provide a board case that makes it extremely difficult to perform an illegal replacement of a game control board.

In order to solve the above-described problem, the invention according to claim 1 is a game that includes a first case body and a second case body that is oppositely closed by the first case body, and is equipped with a required electronic circuit. A transparent substrate case that contains a control board and is closed, and the first case body and the second case body can be engaged with each other by a locking means when the board case is closed. ,
The lock means includes a lock pin, an operation means for operating the lock pin, a trigger means provided on the first case body and serving as a trigger for operating the operation means, and a first engagement member on the first case body side. And a second engaging member on the second case body side, and when the substrate case is closed, the actuating means is operated by the trigger means, and the lock pin is connected to the first engaging member and the second engaging member. It is characterized by being in an engaged state through the member.

  According to the substrate case of the first aspect, the lock pin is actuated by the trigger means, and the first engagement member and the second engagement member are brought into the engaged state. It is easy to visually confirm the engagement state of the mechanical seals of the engagement member and the second engagement member.

  According to a second aspect of the present invention, in addition to the configuration according to the first aspect, the lock means further includes a latch member, and a stopper provided on the lock pin so as to engage with the latch member, And a releasable latch mechanism for maintaining the lock pin so as not to be in the engaged state, and when the first case body and the second case body are closed, the trigger means causes the The latch mechanism is released, and the lock pin is actuated by the actuating means to penetrate through the first engaging member and the second engaging member to be in an engaged state.

  By closing the first case body and the second case body, the first engagement member and the second engagement member can be naturally penetrated into an engaged state.

  The invention according to claim 3 is the substrate case according to claim 1 or 2, wherein the first case body and the second case in the vicinity of the first engagement member or the second engagement member. A breaking part is provided in at least one of the case bodies, and the breaking part is broken so that the engagement state of the first engagement member and the second engagement member by the lock pin can be released.

  According to the substrate case of the third aspect, the breaking portion is provided in at least one of the first case body and the second case body in the vicinity of the first engagement member or the second engagement member. Therefore, it is easy to break the breaking portion and use a lock pin that engages the first engagement member and the second engagement member with an L-shaped tool such as a small hexagon wrench. By using and pushing in, the engaged state can be easily released. At this time, a trace remains clearly because the broken part is broken, and an illegal act such as an illegal replacement of the game control board is likely to be found.

  According to the board case and the gaming machine of the present invention, when sealing the board case containing the game control board, it is easy to confirm the engagement state of the mechanical seal between the first case body and the second case body, It is possible to provide a board case that makes it extremely difficult to perform an illegal replacement of the game control board.

<Structure of slot machine>
Hereinafter, a slot machine as an example of a gaming machine to which a substrate case according to an embodiment of the present invention is applied will be described with reference to the drawings. FIG. 1 is a front view showing an external structure of a slot machine to which the board case according to the embodiment is applied, and FIG. 2 is a view showing an internal structure of the slot machine with the front door of the slot machine opened. .

  As shown in FIG. 1, in the slot machine 1, a front door 3 on which a so-called front mask facing a player is formed is illustrated with respect to an opening of a housing 2 (see FIG. 2) that is a substantially rectangular box. It is attached so that it can be opened and closed by a hinge mechanism that does not. The front mask is roughly divided into an upper panel portion, a middle panel portion, and a lower panel portion from the top, and these are integrally formed of a hard plastic designed to enhance the visual effect as a decorative board. A tray unit 4 including a tray 4a for storing medals is provided below the lower panel portion.

  On the upper panel, an effect lamp (fever lamp) such as an effect lamp 5 with a built-in high-intensity light-emitting diode is arranged, and the effect that appeals to the player's vision by lighting or flashing when reaching or hitting a jackpot Is going. In addition, sound emitting portions 6A and 6B each having a built-in speaker are provided at the left and right positions of the upper panel portion, and a game is produced using sound effects, musical sounds, and the like. Further, a liquid crystal display unit 7 is disposed at a central position between the sound emitting units 6A and 6B.

  The liquid crystal display unit 7 displays a moving image that is appropriately selected according to the progress of the game and gives the game a story. In addition, when the bonus game or the like is won, a more dynamic image is displayed. It is displayed and effects such as causing a player to expect a high payout.

  Side lamps 9A and 9B, which are one of the effect lamps incorporating the above-described light emitting diodes, are arranged on the left and right positions of the middle middle panel.

  A middle panel 8 having a substantially rectangular transparent reel display window 8a is attached to the front center of the middle panel portion. Through the reel display window 8a, the player can see three cylindrical reels 10A, 10B, 10C provided in the housing 2 (see FIG. 2).

  The peripheral surfaces of the reels 10A, 10B, and 10C include a plurality of different types, for example, 21 symbols (not shown) are arranged at substantially equal intervals, and three vertically facing the reel display window 8a, Three horizontal rows of symbols are visible to the player through the reel display window. Although not shown, game information display sections such as a notification display section for notifying the internal winning combination and a numerical display section for displaying the remaining number of credits are formed at appropriate positions on the front surface of the middle panel 8. ing.

  Below the middle panel 8 is formed a table-like portion called an operation panel portion that slightly protrudes forward. Here, a medal insertion slot 11 for inserting medals used in the game, and an instruction for game operation are given. A bet button 12, a start lever 13, and three stop buttons 14 (indicated as 14A, 14B, and 14C) are arranged.

  The bet button 12 is a push-type button switch for presenting the number of medals bet on the game. The start lever 13 is a lever switch for instructing to rotate the reels 10A, 10B, and 10C at the same time. The start lever 13 is turned on when a lever having a spherical operation knob at the tip is tilted in any direction, up, down, left, or right. When the hand is released from the lever, the spring is automatically returned to the original position by the urging force of the spring and is turned off.

  The stop buttons 14A, 14B, and 14C are push-type button switches for individually instructing to stop the rotation of the reels 10A, 10B, and 10C, and are arranged in parallel corresponding to the arrangement of the reels 10A, 10B, and 10C. Has been.

  On the lower panel 15 constituting the lower panel portion of the front mask, for example, a picture (not shown) of an appearing character is printed and displayed so that the player can recognize the model type of the slot machine 1 and the like. .

  The saucer unit 4 provided at the lowermost part of the front door 3 has a medal payout opening 16 for paying out medals by a prize payout and the like and a speaker 44 (see FIG. 2), and produces effect sound according to the progress of the game. The sound emission parts 17 to be generated are respectively arranged.

Next, the internal structure of the slot machine 1 will be described with reference to FIGS. 1, 3, and 4 as appropriate with reference to FIG. Here, FIG. 3 is an exploded perspective view showing the structure of the main control board assembly and the mounting bracket for controlling the slot machine shown in FIG. 1, and FIG. 4 is a diagram showing the main control board assembly attached to the mounting bracket. It is a perspective view showing a state.
The main control board assembly 200 includes a transparent substrate case 90 (including a case main body (first case body) 210 (see FIG. 3) and a case lid (second case body) 260 (see FIG. 3). 2) and a main control board 100, which is a main game control board that is housed in the board case 90 and performs overall control of the overall operation of the slot machine 1.
As shown in FIG. 2, a main control board assembly 200 in which the main control board 100 is accommodated in the board case 90 is attached to the upper position inside the housing 2.

  Although the details will be described later, the main control board assembly 200 is attached so as not to be easily detached via a mounting bracket 300 fixed to the inner surface side of the back plate 2a of the housing 2, and a seal seal 320A ( (See FIG. 4). That is, when the main control board assembly 200 is illegally removed from the mounting bracket 300, the seal seal 320A is cut or peeled off, thereby leaving the removed trace.

  At approximately the center in the vertical direction in the housing 2, the rotating device 10 in which the three reels 10 </ b> A, 10 </ b> B, and 10 </ b> C are arranged in parallel in the axial direction with the axial direction horizontal is provided on the front door 3. It is fixed to the reel base 22 so as to face the reel display window 8a formed on the side.

  A rotating device substrate (not shown) is attached to the upper portion of the rotating device 10. The rotation device board relays the rotation drive pulse data from the main control board 100 and outputs a rotation drive pulse obtained by current amplification to the stepping motor of each reel 10A, 10B, 10C, thereby each reel 10A, 10B, 10C. Rotation and stop drive control is performed.

  In the space below the spinning device 10, a hopper device 23 for storing medals inserted from the medal insertion slot 11 (see FIG. 1) and paying out medals at the time of a prize payout, and medals overflowing from the hopper device 23 are stored. An auxiliary storage unit 24 for housing, a power supply device 25 for distributing required power to each device built in the slot machine 1 and the like are installed.

Next, on the back side of the front door 3, an LED substrate 31 on which a light emitting diode as a light source such as the above-described effect lamp 5 (see FIG. 1) is mounted, and sound emitting units 6A and 6B (see FIG. 1). The upper panel assembly 33 is mounted, which is assembled with the speakers 32A and 32B facing each other), the liquid crystal display unit 7 (see FIG. 1), the sub-control board 500 that mainly controls the game effects by the audiovisual effect, and the like. ing.
The sub control board 500 is also one of the game control boards, like the main control board 100 described above, and is accommodated in the board case 95 which is a transparent plastic case and cannot be easily detached from the back surface of the front door 3. It is provided as follows.

  Below the upper panel assembly 33, an intermediate panel 8 (see FIG. 1) having a reel display window 8a through which the reels 10A, 10B, and 10C are seen through by a player in front is provided on the front side, and the reels 10A, 10B, Cold cathode fluorescent tube 34 for irradiating 10C, lamp substrates 35 and 36 for mounting light emitting elements such as a notification display unit and numerical display unit, start lever 13 (see FIG. 1) and stop buttons 14A, 14B and 14C A lamp house unit 38 in which a central display board 37 and the like for relaying outputs of switches such as (see FIG. 1) to the main control board 100 are assembled and unitized is attached.

  A selector 39 is attached below the lamp house unit 38. The selector 39 is a device that determines and distributes the suitability of medals inserted into the medal slot 11 (see FIG. 1) of the front mask, for example, illegal medals.

  The selector 39 is provided with a medal sensor. The medal sensor detects a medal determined to be appropriate by the selector 39 and transmits a medal acceptance signal to the main control board 100. The main control board 100 internally stores medals by adding credits every time it receives a medal acceptance signal.

  Below the selector 39, a lower panel 15 (see FIG. 1) provided on the front mask, and a lower panel unit 40, which is unitized by incorporating a fluorescent tube or the like for illuminating the lower panel 15 from the back surface, are attached.

  On the back side of the lower panel unit 40, a medal guide member 41 for guiding medals selected as appropriate by the selector 39 to the hopper device 23 on the housing 2 side, and medals (foreign matter) excluded as inappropriate by the selector 39. ) To the medal payout exit 16, a payout guide member 43 for guiding the medals paid out from the hopper device 23 to the medal payout exit 16, and the like.

  Further, a speaker 44 facing the sound emitting unit 17 (see FIG. 1) is attached to the lower part of the back surface of the lower panel unit 40.

  The slot machine 1 configured as described above enters a standby state when a prize is won in the previous game and the payout of medals is completed, or when a loss is confirmed in the previous game. In this state, when the bet button 12 (see FIG. 1) is pressed, medals are bet on the game from the medals (credits) stored therein, and the game starts.

  When the start lever 13 (see FIG. 1) is tilted in the game start state, the main control board 100 starts rotating the reels 10A, 10B, and 10C all at once. At the same time, the winning combination is drawn by internal processing, and the result is stored in a flag (memory).

  Next, when the player presses the stop buttons 14A, 14B, and 14C (see FIG. 1) in an arbitrary order, the main control board 100 sequentially stops the corresponding reels accordingly. When the main control board 100 detects that all the reels 10A, 10B, and 10C have stopped, the combination of symbols displayed on the reels 10A, 10B, and 10C relates to the winning combination stored in the flag. It is determined whether or not the symbol combination matches. When they match, the winning is confirmed, and a medal with the number of payouts corresponding to the type of winning combination is added to the credit. If the credit exceeds the upper limit due to the payout of the winning prize, the excess medals are paid out from the hopper device 23 to the tray unit 4.

  In this way, the player of the slot machine 1 performs a game operation for rotating and stopping the reels 10A, 10B, and 10C, and loses the bet medals if the symbols displayed in the reel display window 8a are not variably displayed. If a winning combination is achieved with a combination of symbols determined, it is possible to obtain more medals than the betted number, so that it is possible to enjoy a win / lose game with an interest in increasing medals according to skill and luck.

<< Board case structure and mounting structure >>
Next, the structure of the main control board assembly 200 that houses the main control board 100 in the board case 90 and the mounting structure thereof will be described with reference to FIGS. 5 and 6 as appropriate with reference to FIGS.

  As shown in FIG. 3, the case lid 260 constituting one of the substrate cases 90 (see FIG. 2) is a main body as a shallow box with a substantially rectangular bottom opening on one side to accommodate the main control board 100. 260a is integrally formed of a transparent plastic. On the main control board 100, electronic components such as a CPU, a ROM 101, and a connector 103 are mounted on one mounting surface, and the opposite surface is a reflow surface on which these electronic components are soldered. The main control board 100 is attached to a screw boss (not shown) provided on the bottom surface of the main body 260a via a machine screw (not shown) with the reflow surface of the main control board 100 facing the opening side of the case lid 260. .

  A connector window 263 for connecting to the connector 103 of the main control board 100 and connecting to an external device is provided at a predetermined position on the bottom surface of the main body 260a of the case lid 260, and the connector 105 (see FIG. 4) and the connector window 263, electrical connection is possible.

  When the main control board 100 is fixed to the main body portion 260 a of the case lid 260, plastic connector portion filling members 111 and 112 having a shape that matches the shape of the connector 103 are fitted into the connector 103. As a result, a metal wire or the like cannot be easily inserted from the gap between the connector 103 and the connector window 263, and any metal wire or the like is inserted from the connector window 263 to illegally operate the main control board 100. Is prevented.

  In FIG. 3, hinge shafts (not shown) for hinge coupling with the case main body 210 are formed at predetermined three locations on the lower end (one side end side) of the main body 260 a of the case lid 260. In addition, locking projections 271 are formed at two locations on the left and right of the upper end of the main body 260a. In addition, a lid lock portion 261 for engaging the case main body 210 with the case main body so as not to be detached again is provided in two predetermined left and right regions of the upper end portion (the other side end side) of the main body portion 260a. Yes.

A lock boss 273 (see FIG. 5), which is not shown in FIG. 3 but can be fixed at two places, is provided on the lid lock portion 261 in each region, and can be fixed at two locations. 274 (see FIG. 5) is provided. Then, a total of four rupture portions 262 are provided at predetermined positions in the vicinity of the lid lock portion 261 in the two regions, and identification codes 268A, 268B, 268C, 268D for identifying the four rupture portions 262, respectively. For example, alphabet symbols are formed on the surface of the main body portion 260a below each fractured portion 262 so as to be readable.
The detailed configuration of the lid lock unit 261 will be described later.

Further, a seal portion 260b for attaching a seal seal 320B (see FIG. 4) is provided on the outer surface of the left and right center of the upper end portion in FIG. 3 of the main body portion 260a of the case lid 260.
In addition, four mounting engagement members 264 for fixing and sealing the main control board assembly 200 to a mounting bracket 300 to be described later are integrally formed with a connecting portion 264a to be connected to the main body portion 260a. For example, alphabet symbols are read as identification codes 268E, 268F, 268G, and 268H (see FIG. 4) for identifying the respective mounting engagement members 264 on the surface of the main body portion 260a immediately to the left of each coupling portion 264a. Molded as possible.
Furthermore, a protruding frame portion 260c formed to protrude from the right end of the main body portion 260a is molded integrally with the main body portion 260a.
The protruding frame portion 260c is provided with a sealing portion 267 on which the hole 266 into which the positioning pin 311 of the mounting bracket 300 is inserted is arranged up and down, and to which the above-described sealing seal 320A (see FIG. 4) is attached.
Further, one engagement convex portion 260d is provided on each of the upper and lower ends of the left end surface of the main body portion 260a of the case lid 260 in FIG.

  As shown in FIG. 3, the case main body 210 is integrally formed of a transparent plastic as a shallow box having a substantially rectangular bottom that opens on the side facing the case lid 260. And it is reinforced by the rib 217 raised to the inner surface side. 3, a hinge bearing portion 211 is formed at the lower end portion (one side end side) of the case body 210 in alignment with a hinge shaft portion (not shown) of the case lid 260 described above. A locking arm 212 that is aligned with the locking projection 271 of the case lid 260 is formed on the upper end surface of the case lid 260.

Further, in the left and right regions of the upper end portion (the other side end side) of the case main body 210, the main body lock portion 215 is opposed (aligned) to the lid lock portion 261 of the main body portion 260a of the case lid body 260. E) is provided.
Two cylindrical engagement members (first engagement members) 216 arranged in parallel in the left-right direction are provided on the inner surface side of each main body lock portion 215. Further, one lock knob (trigger means) 219 (see FIG. 6) is formed on the left and right sides of the two engaging members 216 and 216 arranged side by side from the inner surface side of the main body lock portion 215. The position of the lock knob 219 is provided at a position aligned with a lock knob window 280d (see FIG. 5) of the lock pin mechanism 280 described later. The detailed configuration of the main body lock unit 215 will be described later together with the lid lock unit 261.

  Further, a seal portion 210a for attaching a seal seal 320B (see FIG. 4) is provided on the outer surface of the case body 210 at the center of the left and right of the upper end portion in FIG. 3, and the seal seal 320B is a seal portion 210a on the case body 210 side. 4 and the sealing part 260b on the case lid 260 side, as shown in FIG.

  The case main body 210 and the case lid 260 are coupled to each other so that a hinge shaft portion (not shown) provided on one side end side and a hinge bearing portion 211 are fitted to each other and swingable to be opened and closed. When the main control board 100 is accommodated in the case lid 260 and the case lid 260 is closed to the case main body 210 side, the locking hole 212a of the locking arm 212 is locked to the locking protrusion 271 of the case lid 260. And temporarily occluded.

  In this state, the case main body 210 and the case lid 260 can be easily opened. Therefore, when mounted on the slot machine 1 (see FIG. 2), the other side end side of the case main body 210 and the case lid 260 They are engaged with each other by a lock pin 283 (see FIG. 6) described later. Specifically, as shown in FIG. 6, on the other side end side of the case main body 210 and the case lid 260, the engaging member 216 of the case main body 210 and the rib of the case lid 260 (second The engaging member) 275 is provided. The lock pin 283 of the lock pin mechanism 280 is inserted into the holes 216a and 275a facing each other in the left and right directions provided in the engagement member 216 and the rib 275, respectively, and the other of the case main body 210 and the case lid 260 as described above. The side end sides are engaged with each other.

Thus, the board case 90 cannot be opened unless the engaging members 216 of the case body 210 and the ribs 275 of the case lid 260 are engaged and the fractured portion 262 is broken to disengage the lock pin 283. Yes. As a result, it becomes difficult to open the substrate case 90, and even if it is illegally opened, the trace remains in the fractured portion 262.
Here, the engaging member 216, the rib 275, the lock pin mechanism 280, and the lock knob 219 constitute the lock means described in the claims.

Detailed configurations of the main body lock portion 215 and the lid lock portion 261 of the substrate case 90 will be described later with reference to FIGS.
After the main body lock portion 215 and the lid lock portion 261 of the main control board assembly 200 are engaged with each other by the lock pin mechanism 280, a screw (not shown) is inserted into the screw hole 213 (see FIG. 3) of the case main body 210. The case body 210 is screwed into the screw boss 265 (see FIG. 5) of the lid 260, and the case body 210 is firmly fixed to the case lid 260. Adhere.

  The main control board assembly 200 accommodated and assembled with the main control board 100 is attached to the inner surface of the back plate 2a (see FIG. 2) of the housing 2 via the mounting bracket 300. As shown in FIG. 3, the mounting bracket 300 includes a substrate portion 301 having a flat front surface on which the substrate case 90 (see FIG. 2) is installed, and a rib portion erected from the left edge or the lower edge of the substrate portion 301. 302, a support base part 303 standing on the right edge in FIG. 3 of the substrate part 301, and a sealing part 304 that protrudes further forward (diagonally to the left in FIG. 3) from the front surface of the support base part 303. And integrally formed.

Screw holes 305 for fixing to the back plate 2a (see FIG. 2) of the housing 2 are formed in the substrate portion 301 at a plurality of predetermined locations. An engagement concave portion 306A is formed on the inner wall of the rib portion 302 at the left edge, and the engagement convex portion 260d of the case lid body 260 is engaged therewith. A plurality of engagement recesses 306B and 306C are formed on the bottom surface of the substrate portion 301, and an engagement protrusion (not shown) protruding rearward (upper right side in FIG. 3) from the outer surface of the case body 210 is an engagement recess. Engages with 306B and 306C.
A pair of positioning pins 311 extending forward is formed on the upper and lower ends on the right side in FIG. 3 of the substrate 301, and a locking arm 307 extending forward is formed on the upper end on the right side in FIG. Yes.

  Also, a cylindrical container-like main body engaging member 310 is formed on the right side of the substrate portion 301 so as to face the mounting engagement member 264 of the case lid 260 and engage with it in a non-releasable manner.

  The main control board assembly 200 has an engagement convex portion 260d formed on the left end portion of the main body portion 260a of the case lid body 260 engaged with the engagement concave portion 306A of the mounting bracket 300, and the upper end portion 269 of the protruding frame portion 260c. The locking projection 307a at the tip of the locking arm 307 is locked. Thereby, the main control board assembly 200 is stably held by the mounting bracket 300.

  At this time, the connection member 700 is inserted into and internally engaged with any pair of the main body engaging member 310 of the mounting bracket 300 and the mounting engaging member 264 of the case lid 260. As a result, the main control board assembly 200 cannot be removed from the mounting bracket 300 unless the connecting portion 264a of the mounting engagement member 264 is cut and separated from the main body portion 260a. Yes. In addition, even if the main control board assembly 200 is replaced with a modified product or the like, the fact can be quickly found by the destruction trace of the connecting portion 264a of the mounting engagement member 264.

  As shown in FIG. 4, when the main control board assembly 200 is attached to the mounting bracket 300, the protruding frame portion 260c of the case lid 260 is placed on the support base portion 303 (see FIG. 3) and the protruding portion The front surface of the sealing portion 267 on the front surface of the frame portion 260c and the front surface of the sealing portion 304 are located on substantially the same plane and are adjacent to each other. Then, the main control board assembly 200 attached in a regular procedure is pasted between the sealing portion 267 and the sealing portion 304, and a sealing seal 320A made of a film sheet of paper or resin is adhered, thereby sealing the main control board assembly 200. Is done.

  The seal seals 320A and 320B are made of a material that is easily broken compared to the adhesive force in order to leave a trace of the attachment / detachment of the main control board assembly 200 and a trace of the opening of the board case 90. An adhesive material (adhesive) that cannot be worn may be used.

(Detailed configuration of lid lock part and main body lock part of substrate case)
Next, detailed configurations of the main body lock portion 215 and the lid lock portion 261 of the substrate case 90 will be described with reference to FIGS. 5, 6, and 7.
Here, the main body lock portion 215 and the lid lock portion 261 correspond to “predetermined portions” recited in the claims.
FIG. 5 is an enlarged perspective view showing a detailed configuration of the lock portion in one region (left side) of the case lid, and FIG. 6 is a case main body and case in one region (left side) with the substrate case closed. It is sectional drawing which looked at the locking part of each cover body by the AA arrow of FIG.

  As shown in FIG. 5, in the left and right center portion of the left lid lock portion 261, two bottomed rectangular tube-shaped spaces SLL arranged in parallel on the left and right sides by ribs rising from the bottom surface of the main body portion 260a of the case lid 260 , SLR are formed. The rib 275 forming the left wall of the left space SLL and the rib 275 forming the right wall of the right space SLR are provided with holes 275a through which the lock pins 283 can be inserted in the left-right direction. It has been.

  In addition, two screw bosses 273 and two support bosses 274 are formed to rise from the bottom surface of the main body portion 260a adjacent to the left side of the space SLL of the lid lock portion 261. The screw boss 273 is for fixing with a fixing screw 291 through a screw hole provided in the housing base 280b of the lock pin mechanism 280, and the support boss 274 supports the housing base 280b from the bottom surface side. The lock pin 283 of the lock pin mechanism 280 is formed in alignment so that the hole 275a can be inserted.

Two screw bosses 273 and two support bosses 274 are also formed from the bottom surface of the main body 260a on the right side of the space SLR of the lid lock portion 261. In FIG. Hidden by the housing base 280b of the lock pin mechanism 280 fixed to the H.273.
A lock knob window 280d is opened on the upper surface of the housing 280a of the lock pin mechanism 280, and a lock knob 219 (see FIG. 7) is inserted so that a latch end 285e of a latch 285 described later can be pressed.

  Further, as shown in FIG. 5, a fracture portion 262 is provided at the bottom of the spaces SLL and SLR. By the way, as shown in FIG. 6, the breaking portion 262 is formed by forming a cut 262 a in a substantially circular shape from the inner surface side to the outer side of the main body portion 260 a. It is provided. As shown in FIG. 6, the notch 262a has a shape that narrows from the inside of the bottom surface to the outside on the circumferential surface of the circular platform. It is formed to be easy to push.

  When the case main body 210 and the case lid 260 are combined and closed, as shown in FIG. 6, two cylindrical engaging members 216 (see FIG. 3) provided in the main body lock portion 215 on the left side of the case main body 210. Are inserted in the spaces SLL and SLR, respectively, and the hole 275a of the rib 275 and the hole 216a of the engaging member 216 are opposed to each other in the left-right direction. At that time, the lock knob 219 provided on the left main body lock portion 215 is inserted through the lock knob window 280d (see FIG. 5) provided on the upper surface of the lock pin housing 280a, and the latch end portion (the end portion of the latch). By pressing 285e, the lock pin 283 can be inserted through the holes 275a and 216a.

  In addition, the lock pin mechanism 280 includes the housing 280a and the housing base 280b, and the planar shape seen from above in FIG. 6 is a line-symmetric shape about the axis of the lock pin 283. As shown in FIG. 6, the lock pin mechanism 280 fixed to the lid lock part 261 on the right side of the space SLR with a fixing screw 291 (see FIG. 5) is moved in a different direction like the lock pin mechanism 280 indicated by a virtual line. And can be fixed.

  As described above, the configurations of the main body locking portion 215 and the lid locking portion 261 of the case main body 210 and the case lid 260 on the left side of the substrate case 90 have been described with reference to FIGS. The main body lock part 215 and the cover body lock part 261 in the right regions of the case main body 210 and the case cover body 260 have the same configuration.

Next, the internal structure and operation of the lock pin mechanism will be described with reference to FIG. FIG. 7 is a schematic internal structure diagram of the lock pin mechanism.
The lock pin mechanism 280 mainly includes a lock pin 283 and a latch 285.
As shown in FIG. 7, a lock pin 283 is disposed so as to be movable in the axial direction in a guide hole 280c of the housing 280a and a guide hole 283e of a spring seat 283c fixed to the housing base 280b. A stopper 283a and a spring seat 283b are fixed to the lock pin 283 from the guide hole 280c side toward the guide hole 283e, and a coil spring (operating means) 283d is mounted between the spring seat 283b and the spring seat 283c. . The coil spring 283d applies an urging force to the lock pin 283 from the guide hole 283e toward the guide hole 280c.

A latch mounting base 286 projects from the wall of the housing 280a, the latch 285 holds the pivot 285a around the fulcrum 285a, and the claw 285b of the latch 285 can maintain the stopper 283a in the engaged and held state. In addition, it has a locking portion 285d that locks one end of a torsion spring 285c that generates a biasing force that tilts the latch 285 in a predetermined direction. The other end of the torsion spring 285c is engaged with the back portion of the latch 285 opposite to the claw portion 285b (the upper edge of the latch 285 on the left side of the fulcrum 285a in FIG. 7). A latch end 285e is provided on the opposite side of the claw 285b with the fulcrum 285a of the latch 285 as the center.
Here, the stopper 283a, the latch 285, the fulcrum 285a, the torsion spring 285c, the locking portion 285d, and the latch mounting base 286 constitute a latch mechanism according to claim 2.

  When the lock pin mechanism 280 is fixed to one of the four positions described above of the lock portion 261 and the case main body 210 is closed to the case lid 260, the lock portion 215 corresponding to the lock portion 261 to which the lock pin mechanism 280 is naturally fixed. The lock knob 219 (see FIG. 6) passes through the lock knob window 280d of the housing 280a and presses the latch end 285e. Then, the claw portion 285b rises and the engagement state with the stopper 283a is released, and the lock pin 283 moves to the left by the coil spring 283d.

  At this time, the tip of the engagement member 216 on the case lid 260 side is inserted into the space SLL or the space SLR, and the position of the hole 275a of the rib 275 passes, but the hole 216a and the hole 275a still face each other. It has not reached. Accordingly, the distal end on the insertion side of the lock pin 283 contacts the outer peripheral surface of the engagement member 216, and when the case main body 210 is completely closed by the case lid 260, the hole 216a faces the hole 275a, and the lock pin 283 passes through the hole 216a.

As a result, as shown in FIG. 6, the hole 216a of the engagement member 216 is inserted through the hole 275a of the rib 275, and the engagement member 216 and the rib 275 are engaged.
The case lid 260 is made of transparent plastic, and it can be easily determined visually whether or not the lock pin 283 is engaged with the engagement member 216 and the rib 275.
In this state, the case main body 210 and the case lid 260 are mechanically sealed.

In order to release the engagement state between the engagement member 216 and the rib 275, the breaking portion 262 facing the space in the engagement state (in the case of FIG. 6, the space SLR) is broken, and as described above, the small hexagon stick It is necessary to push the head of the lock pin 283 into the hole 216a with a wrench and engage the stopper 283a again with the claw portion 285b.
Therefore, as shown in FIG. 7, the back portion of the claw portion 285b on the guide hole 280c side is formed in a tapered shape.

  Once the breaking portion 262 is broken, the lock pin mechanism 280 may be fixed using the screw boss 273 and the support boss 274 adjacent to the spaces SLL and SLR corresponding to the breaking portion 262 that has not been broken.

  At the stage where the main control board 100 is stored in the board case 90 and sealed by the lock pin mechanism 280, any one of the identification codes 268A, 268B, 268C, 268D of the fracture portion is recorded to record the slot machine 1 (See FIG. 2), if any of the identification codes 268E, 268F, 268G, 268H corresponding to the mounting engagement member 264 mounted using the connection member 700 at that time is recorded, As shown in FIG. 3, the breaking part 262 and the connecting part 264a are attached so as to be on the front side. Thereafter, if there is an unauthorized opening of the main control board assembly 200, the fracture portion 262 corresponding to the corresponding recorded code among the identification codes 268A, 268B, 268C, 268D is cracked, and the identification codes 268E, 268F, Since the connecting portion 264a corresponding to the corresponding code recorded in 268G, 268H is broken, it can be easily understood.

In the above description of the embodiment, the case “main body” 260 of the substrate case 90 is fixed to the side to which the main control board 100 is fixed, and the case “lid” 210 is the other side, but this designation is for convenience. The names of “main body” and “lid” may be reversed.
Furthermore, in the description of the embodiment, one side end side (the lower end portion in FIG. 3) of the case main body 210 and the case lid body 260 is configured to be hinge-coupled, but is not limited thereto, and other coupling methods. But it ’s okay. Further, a main body lock portion 215 and a lid lock portion 261 similar to those on the other side end side (upper end portion in FIG. 3) may be provided and engaged with a lock pin so that they cannot be detached again.

  In the above description of the embodiment, the board case 90 of the main control board assembly 200 attached in the casing 2 of the slot machine 1 has been described as an example. However, the board case of the present invention is not limited to this. is not. For example, the same configuration can be applied to the substrate case 95 that accommodates the sub-control substrate 500 provided in another portion of the slot machine 1 (such as the back surface of the front door 3). Furthermore, the present invention can also be applied to an arrangement substrate case attached to a pachinko machine.

It is a front view showing the appearance structure of the slot machine to which the substrate case according to the embodiment is applied. FIG. 2 is a view showing the internal structure of the slot machine with the front door of the slot machine shown in FIG. 1 opened. FIG. 2 is an exploded perspective view showing a structure of a main control board assembly and a mounting bracket for controlling the slot machine shown in FIG. 1. It is a perspective view showing the state by which the main control board assembly was attached to the attachment bracket. It is an expansion perspective view which shows the detailed structure of the lock part of one area | region (left side) of a case cover body. It is sectional drawing which looked at the lock | rock part of each case main body and case cover body of one area | region (left side) of the state which closed the board | substrate case seen by the AA arrow of FIG. It is a model internal structure figure of a lock pin mechanism.

Explanation of symbols

1 Slot Machine 2 Housing 3 Front Door 90 Board Case 95 Board Case 100 Main Control Board (Game Control Board)
101 ROM
DESCRIPTION OF SYMBOLS 103 Connector 105 Connector 111,112 Connector part filling member 200 Main control board assembly 210 Case main body (1st case body)
215 Main body lock portion 216 Engagement member (first engagement member)
216a hole 219 lock knob (trigger means)
260 Case body (second case body)
260a body part 260d engagement convex part 261 lid locking part 262 breaking part 262a notch 264 mounting engagement member 264a connecting part 265 screw boss 267 sealing part 269 connecting part 271 engaging protrusion 273 screw boss 274 support boss 275 rib (second Engagement member)
275a hole 280 lock pin mechanism 280a housing 280b housing base 280c, 283e guide hole 280d lock knob window 283 lock pin 283a stopper (latch mechanism)
283b, 283c Spring seat 283d Coil spring (actuating means)
285 Latch (Latch mechanism, latch member)
285a fulcrum (latch mechanism)
285b Claw 285c Torsion spring (latch mechanism)
285d Locking part (latch mechanism)
285e Latch end 286 Latch mounting base (latch mechanism)
291 Fixing screw 300 Mounting bracket 310 Main body engaging member 500 Sub control board (game control board)
700 Connection member

Claims (3)

A transparent substrate case comprising a first case body and a second case body closed opposite to the first case body, and accommodating and closing a game control board equipped with a required electronic circuit. ,
The first case body and the second case body can be engaged with each other by a locking means when the substrate case is closed,
The locking means is
With a lock pin,
An operating means for operating the lock pin;
Trigger means provided on the first case body and serving as a trigger for operating the operating means;
A first engagement member on the first case body side;
A second engagement member on the second case body side,
When the substrate case is closed, the actuating means is actuated by the trigger means, and the lock pin passes through the first engaging member and the second engaging member to be in an engaged state. Board case. The locking means is
And a releasable latch mechanism for maintaining the lock pin so as not to be in the engaged state, including a latch member and a stopper provided on the lock pin to be engaged with the latch member. ,
Have
When the first case body and the second case body are closed, the latch mechanism is released by the trigger means, the lock pin is operated by the operating means, and the first engaging member and the second The board case according to claim 1, wherein the two engaging members are passed through to be in an engaged state. A fracture portion is provided in at least one of the first case body and the second case body in the vicinity of the first engagement member or the second engagement member,
3. The substrate according to claim 1, wherein the breakable portion is broken so that the engagement state of the first engagement member and the second engagement member by the lock pin can be released. Case.

Images