JP2007252802A - Board case unit of game machine and game machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a board case unit permitting easy regular maintenance, and excellent in the prevention of fraudulence. <P>SOLUTION: In the pachinko machine 1, the board case unit 100 is structured as a case for housing a main board 30 to control the game machine. The board case unit 100 comprises a case member 120 for enclosing the main board 30 and a holder member 110. A first connection part 111a and a second connection part 121a which can be broken and removed are formed in the case member 120 and the holder member 110 to be connected by a screw member 140 consisting of a breaking screw or one-way screw. In addition, spare connection parts 111b-111d and 121b-121d which can be connected to one another by spare screws are formed in the case member 120 and the holder member 110, and a temporary holder part 130 for temporarily holding the spare screws 240 is formed on an opposite wall surface 115 facing a base part 70 in the holder member 110. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a board case unit of a gaming machine and a gaming machine.

Conventionally, a gaming machine provided with a control board has been provided. In this type of gaming machine, a configuration in which the control board is accommodated in a case and disposed on the back side of the gaming machine is common. By using the control board, various controls are possible, and various games can be created. Since such control boards are subject to unauthorized operation (unauthorized replacement of memory or unauthorized replacement of the control board itself), measures are taken to prevent unauthorized operation by sticking sticker paper or the like. ing.
Japanese Patent Laid-Open No. 9-276521

  However, since an unauthorized operation in which the same sealed paper is pasted after performing an unauthorized operation without damaging the sealed paper and without leaving a trace on which the sealed paper has been pasted is also assumed. In the substrate case unit, the two cover bodies are fixed using a break screw. According to this configuration, it is difficult to remove the breaking screw with a tool or the like. Therefore, the case cannot be opened unless part of the case (fastening member) including the breaking screw is removed. Therefore, the case itself becomes difficult to open, and even if it is opened by a removal operation, the trace remains clearly, so that illegal acts can be prevented or detected early.

  On the other hand, the substrate case unit as described above needs to be appropriately opened when performing regular maintenance such as inspection work, so that it can be opened under certain conditions, not completely unopenable, and It is desirable to be able to close again. However, it is not preferable from the viewpoint of crime prevention that it can be opened very easily and does not leave a trace of opening and closing.

  The present invention has been made based on the above circumstances, and an object of the present invention is to provide a substrate case unit that is easy to perform regular maintenance and is excellent in crime prevention.

As means for achieving the above object, the invention of claim 1
A board case unit for accommodating a control board for controlling a gaming machine,
A first case and a second case are provided and the control board is accommodated therein, and a first sealing portion provided on the first case side and a second seal provided on the second case side When the control board is taken out when the first sealing part and the second sealing part are connected by the sealing member, the case member is destroyed. Or a case member that needs to break a predetermined part;
A holding member for holding the case member;
A pair of connecting portions that are formed in the case member and the holding member, and are connected to each other by a connecting member, and the connection by the connecting member can be released by breaking at least one of them,
The case member and the holding member are formed at positions different from the connecting portions, and can be connected to each other by a preliminary connecting member, and at least one of them is broken to connect the preliminary connecting member. A pair of preliminary connecting portions that can be released;
A temporary holding portion formed to hold the preliminary connection member in the holding member;
It is provided with.
Note that “break” in the present invention is a concept including “cut”, “break”, and the like, and if the continuous state of a predetermined part is released, both are included in the concept of “break”. For example, if a part is cut with a tool, it is included in the category of `` break ''. Included in the category.

The invention of claim 2 is the board case unit of the gaming machine according to claim 1,
The holding member is configured to be openable and closable with respect to a predetermined base member,
The temporary holding portion is formed on an opposing wall surface that faces the base member when the holding member is closed.

The invention of claim 3 is the board case unit of the gaming machine according to claim 2,
The temporary holding portion is arranged at a predetermined distance from the outer surface of the base member in the holding member,
The preliminary connection member is temporarily held in a state in which a screw portion is extended to the outer surface side of the base member.

According to a fourth aspect of the present invention, in the board case unit of the gaming machine according to any one of the first to third aspects,
The temporary holding portion includes a hole formed in the wall surface of the holding member, and a plurality of elastic pieces formed in a cantilever shape toward the center of the hole portion on the wall surface of the holding member, The preliminary connection member is temporarily held by engaging a plurality of elastic pieces with the preliminary connection member.

The invention of claim 5 is the board case unit of the gaming machine according to any one of claims 1 to 3,
The preliminary screw comprises a breaking screw,
The preliminary connecting member comprises a breaking screw,
The breaking screw has a tool engaging portion formed on one end side and a fastening portion formed with a thread groove on the other end side, and the tool engaging portion and the fastening portion are smaller than those. It is connected by a fracture portion of the diameter,
The temporary holding portion includes a plurality of elastic pieces whose distal ends are interposed between the tool engaging portion and the fastening portion and are disposed to face the fracture portion.

The invention of claim 6 is the board case unit of the gaming machine according to claim 5,
The temporary holding part is
A first guide wall that is disposed opposite to the outer peripheral surface of the tool engaging portion and can support the outer peripheral surface of the tool engaging portion;
A second guide wall disposed opposite to the outer peripheral surface of the head of the fastening portion and capable of supporting the outer peripheral surface of the head;
It is characterized by having.

The invention of claim 7 is the substrate case unit according to claim 6,
The first guide wall is formed in a rib shape protruding in a predetermined direction and has a bent shape as viewed in the protruding direction, and a corner portion of the outer shape viewed in the protruding direction is opposed to the outer peripheral surface of the tool engaging portion. It is characterized by being arranged.

The invention of claim 8 is the substrate case unit according to claim 6 or 7,
The plurality of first guide walls are provided so as to protrude from the tool engaging portion and surround the tool engaging portion.

  According to a ninth aspect of the present invention, there is provided a gaming machine comprising the substrate case unit according to any one of the first to eighth aspects.

The invention of claim 10 is a gaming machine comprising a control board and a board case unit for accommodating the control board,
The substrate case unit is
A first case and a second case are provided and the control board is accommodated therein, and a first sealing portion provided on the first case side and a second seal provided on the second case side When the circuit board is taken out when the first sealing part and the second sealing part are connected by the sealing member, the case member is destroyed. Or a case member that needs to break a predetermined part;
A holding member for holding the case member;
A pair of connecting portions that are formed in the case member and the holding member, respectively, are connected to each other by a connecting member, and at least one of them is broken so that the connection by the connecting member can be released,
The case member and the holding member are formed at different positions from the connecting portion, and can be connected to each other by a preliminary connecting member. When at least one of the case member and the holding member is broken, the preliminary connecting member is connected. A pair of preliminary connecting portions that can be released;
A temporary holding portion formed to hold the preliminary connection member in the holding member;
With
The case member and the holding member are connected to each other by the connecting member in the pair of connecting portions, and the preliminary connecting member is held by the temporary holding portion.

<Inventions of Claims 1 and 10>
According to the configuration of claims 1 and 10, since the connecting portion can be removed by breakage, the case can be opened by releasing the fixing by the connecting member when inspection work or the like is necessary, and the opened trace remains. It becomes like this. Further, when closing again, it is easy to access the spare connecting member, and it can be easily put into a closed state as long as the spare connecting member is fixed to the spare connecting portion. That is, it is possible to realize a configuration in which regular maintenance is easy to perform and excellent in crime prevention.

<Invention of Claim 2>
According to the structure of Claim 2, the holding member is comprised so that opening and closing is possible with respect to the predetermined | prescribed base member, and the temporary holding part is formed in the opposing wall surface which opposes a base member at the time of closure in a holding member. For this reason, the temporary holding portion and the preliminary connecting member do not get in the way at normal time (that is, when the holding member is closed), and the case member is opened and closed when performing the closing operation using the preliminary connecting member. Thus, the temporary holding unit can be easily accessed.

<Invention of Claim 3>
According to the configuration of the third aspect, in the holding member, since the temporary holding portion is arranged at a predetermined distance from the outer surface of the base member, the screw portion of the preliminary connection member is provided between the temporary holding portion and the outer surface of the base member. A space for disposing the space will be formed. And since the preliminary | backup connection member is temporarily hold | maintained in the state which extended the thread part to the outer surface side of the base member, after opening a 1st cover part, it becomes easy to hold a preliminary | backup connection member and workability | operativity improves.

<Invention of Claim 4>
According to the structure of Claim 4, since the structure which hold | maintains a preliminary | backup connection member with a part of wall surface of a holding member can be implement | achieved suitably, simplification of an apparatus structure and cost reduction can be aimed at.

<Invention of Claim 5>
According to the configuration of claim 5, the preliminary connection member is constituted by a breaking screw, and the temporary holding portion is provided with a plurality of tips arranged between the tool engaging portion and the fastening portion so as to face the breaking portion. It is comprised by the elastic piece. Therefore, it becomes a suitable example which can cancel | release temporary holding | maintenance by moderate force, holding the preliminary | backup connection member stably temporarily.

<Invention of Claim 6>
According to the structure of Claim 6, in the temporary holding part, the 1st guide wall which can support the outer peripheral surface of a tool engaging part, and the 2nd guide wall which can support the outer peripheral surface of the head of a fastening part are provided. It has been. Therefore, the swinging of the preliminary connecting member can be reduced or prevented, and problems caused by the swinging (such as detachment of the preliminary connecting member) can be effectively prevented.

<Invention of Claim 7>
According to the structure of Claim 7, while being able to give intensity | strength to a 1st guide wall, it can suppress stably that a preliminary | backup connection member inclines too much, and becomes a structure which can maintain a holding | maintenance state suitably.

<Invention of Claim 8>
According to the structure of Claim 8, the contact from the tool engaging part side with respect to a preliminary | backup connection member can be prevented effectively by the 1st guide wall, and it becomes the structure which can maintain a holding | maintenance state stably.

<Invention of Claim 9>
According to the structure of Claim 9, it becomes a gaming machine which has an effect similar to the board | substrate case unit in any one of Claim 1 thru | or 8.

<Embodiment 1>
Embodiment 1 of the present invention will be described with reference to the drawings.
FIG. 1 is a front view conceptually illustrating the gaming machine according to the first embodiment, and FIG. 2 is a front view conceptually illustrating the gaming board configuration of the gaming machine. FIG. 3 is a block diagram illustrating the electrical configuration of the gaming machine according to the first embodiment.

1. Overall Outline A pachinko machine 1 as an example of a gaming machine according to the present embodiment is provided, for example, arranged in a plurality of horizontal directions at the upper part of a counter board of a pachinko island base installed in a gaming hall (game hall). . As shown in FIG. 1, the pachinko machine 1 is provided with a front frame 2 at the front, and a door 3 configured as a glass door frame is attached to the front frame 2. The door portion 3 is supported by hinge portions 82 and 82 having a vertical rotation axis so as to be openable and closable with respect to the gaming machine main body 1a (a main body portion including the front frame 2 and the machine frame 71 (FIG. 4)). And a glass holding frame (not shown) configured as an annular frame by a resin or metal material in which glass is fitted.

  Here, a glass unit 50 is configured by fitting two pieces of glass (a front glass 52 and a rear glass (not shown in FIG. 1)) arranged behind the glass-made resin holding frame having an annular shape. The glass unit 50 is detachably attached to a main body portion of the door portion 3 (a portion of the door portion 3 excluding the glass unit 50). The front frame 2 (main body frame) is also attached to the machine frame 71 by a hinge 81 so as to be opened and closed.

  A board-like game board 7 (for example, a board mainly composed of a wooden board, a resin board, etc.) shown in FIG. As shown in FIG. 2, the game board 7 has a substantially circular game area 90a surrounded by a rail 22 corresponding to a partition portion in a substantially annular shape, and the game area 90a includes a first type start port 4 and a game board. A display device (hereinafter also simply referred to as a display device) 5 and a special prize opening 6 are provided.

  The first type starting port 4 is provided with a path for a game ball, and a blade 4a is supported at the path entrance so as to be openable and closable. Here, the display device 5 is configured as a symbol display device that dynamically displays symbols. Further, the display device 5 is fixed to a decorative frame 40 attached to the game board 7. As shown in FIG. 2, a rubber collision receiving portion 65 that receives a collision of game balls is also provided on the game board 7 adjacent to the rail 22.

  As shown in FIG. 1, an upper tray 3 a from which a prize ball is paid out is attached to the lower portion of the door portion 3. A lower tray 2a is mounted below the window hole of the front frame 2. The lower receiving tray 2a discharges and stores extra balls such as a winning ball that cannot fit into the upper receiving tray 3a, a ball extracted from the upper receiving tray 3a, or a foul ball from the outlet of the extra ball.

  A launching handle 17 for launching a game ball is mounted on the right side of the lower tray 2a in the front frame 2 so as to be rotatable. A motor (not shown) as a driving means is mounted on the back side of the front frame 2 corresponding to the firing handle 17, and the motor is rotated by the turning operation of the firing handle 17, whereby the hitting ball (see FIG. (Not shown) is intermittently operated and adjusted to a resilience according to the rotation angle of the firing handle 17. Therefore, a ball launcher is constituted by the motor and the hitting ball.

  As shown in FIG. 2, the display device 5 is provided above the first type starting port 4 and includes a screen 5 a made of, for example, a liquid crystal display (LCD). Various kinds of images are displayed on the screen 5a, and as one of them, an upper symbol row 8, a middle symbol row 9, and a lower symbol row 10 as conceptually shown in FIG. 2 are displayed. The number of design rows is not limited to the above (3 rows), and may be 1 row, 2 rows, 4 rows or more. Each of the symbol rows 8 to 10 is composed of a plurality of symbols made up of numbers, symbols and the like.

  As shown in FIG. 2, the grand prize winning port 6 is provided below the first type starting port 4 and includes one V zone 11, two passages 12 and 13, and a shutter 14. The shutter 14 is operated by a prize winning solenoid 15 (hereinafter also simply referred to as “solenoid 15”), and opens and closes the V zone 11 and the entrances of the passages 12 and 13.

  As shown in FIG. 2, the game board 7 is provided with a start port switch 18, a V zone switch 19 and a count switch 20. The start port switch 18 detects winning of the game ball B to the first type start port 4. The V zone switch 19 detects the winning of the game ball B into the V zone 11, and the count switch 20 detects the winning of the game ball B into the big winning opening 6. Further, in order to control the hold lamp 39 (FIG. 5), the blade drive unit 4b (FIG. 5), the solenoid 15 and the game board display device 5 (also simply referred to as the display device 5) based on the detection results of the switches 18 to 20, respectively. In addition, a control device 21 is provided. Note that the control device 21 functions as a game state generating means for generating a special game state.

  As shown in FIG. 3, the control device 21 is provided with a read memory (ROM 32), a central processing unit (CPU 31), a random access memory (RAM 33), and the like. A clock circuit 34, a bus line 35, an input / output processing circuit 36, and the like are also provided. The ROM 32 stores a predetermined control program and initial data in advance, and the CPU 31 has a function of executing various arithmetic processes according to the control program of the ROM 32 and the like. The RAM 33 temporarily stores the calculation result by the CPU 31.

  More specifically, as shown in FIG. 3, the control device 21 includes a main board 30 that performs main control of the pachinko machine 1, and a display control board (display control apparatus) that controls each unit according to a signal from the main board 30. 101), a sound volume adjustment board (a board constituting the audio control device 41), an LED board (not shown), and various sub-boards such as a payout control board (not shown). In order to prevent an illegal signal from being input to the main board 30, the signal transmission direction is only one direction from the main board 30 to the sub board. In the present embodiment, the main board 30 corresponds to a control board.

  Further, the display control device 101 shown in FIG. 3 is configured to be able to display the game board display device 5, and performs control so that an image based on a signal from the main board 30 is displayed on the display unit of each display device. Do. The display control device 101 is provided with a ROM, a RAM, a CPU (not shown), and the like, and is configured to display an image corresponding to a control signal from the main board 30.

  Further, as one of the controls by the CPU 31, there is a so-called probability fluctuation in which the occurrence probability of the big hit gaming state is changed according to the condition. Specifically, a low probability mode that generates a jackpot gaming state with a low probability of about 1/300, and a high probability mode that generates a jackpot gaming state with a high probability of about 1/60, which is about five times as high The probability mode is switched according to the type of jackpot symbol. Here, as an example, if the jackpot symbol is a predetermined special symbol (for example, odd symbol), the high probability mode is set, and if the jackpot symbol is a predetermined normal symbol (for example, even symbol), the low probability mode is set. It has come to be. Note that the multiple of the occurrence probability in the high probability mode with respect to the occurrence probability in the low probability mode may be a value other than the above-described value (about 5).

  As described above, the main board 30 as the control board can change the probability of occurrence of the big hit gaming state so that the contents of the game can be changed from the normal gaming state to a state advantageous to the player. It is configured.

2. Backside Configuration Next, an outline of the gaming machine backside configuration will be described with reference to FIGS. 4 and 5.
FIG. 4 is a perspective view conceptually illustrating the back side configuration of the pachinko machine 1 according to the first embodiment, and FIG. 5 is an explanatory diagram illustrating a stage before the case member 120 is attached to the base member 70.
In FIG. 4, reference numeral 71 denotes a machine frame in the pachinko machine 1, and the front frame 2 described above is attached to the front surface of the machine frame 71 so as to be freely opened and closed. A game board 7 is attached to the back side of the front frame 2, and a door portion 3 is mounted so as to be openable and closable so as to cover the board surface of the game board 7.

  A winning ball assembly panel is provided on the back surface of the game board 7, and this winning ball assembly panel is integrated with the base member 70 (that is, the winning ball assembly panel is configured as a part of the base member 70). . The base member 70 is also referred to as a so-called set board attached to the game board 7, and a board box 100 (described later) in which a circuit board for controlling game contents is stored is disposed behind the base member 70. Has been. The base member 70 may be configured to be freely opened and closed by a hinge tool.

  The base member 70 is formed of a synthetic resin, and a storage tank (not shown) for storing pachinko balls is attached to the upper side of the base member 70. A tank rail (not shown) for arranging and guiding pachinko balls is provided below the storage tank, and its downstream end controls the dispensing of a predetermined number of pachinko balls via a bending guide rod (not shown). A payout control unit (not shown) or the like is connected. The storage tank, the tank rail, the bending guide rod, and the payout control unit have known configurations, and are omitted from FIGS. 4 and 5.

3. Characteristic Configuration Next, the substrate case unit 100 which is a characteristic part of the present invention will be described.
FIG. 6 is a perspective view showing a state before joining the case member 120 and the holding member 110, and FIG. 7 is a perspective view showing a state where the case member 120 and the holding member 110 are joined. FIG. 8 is a perspective view showing a state in which the case member 120 and the holding member 110 are coupled and screwed with a screw member 140 (the screw member 140 corresponds to an example of a connecting member). FIG. 9 is an enlarged view showing an essential part in the state of FIG. FIG. 10 is an enlarged view showing an enlarged main part in the state of FIG. 8 and an enlarged view showing the vicinity of the connecting part further enlarged.

  FIG. 11 is a perspective view showing a state in which the tool engaging portion 141 is broken after being screwed by the screw member 140. FIG. 12 is a perspective view showing a state in which the substrate case unit 100 is opened with respect to the base member 70. 13 is a perspective view showing the state of FIG. 12 from a direction different from FIG. FIG. 14 is a perspective view conceptually showing a state where the substrate case unit 100 is separated from the state of FIG. FIG. 15 is a perspective view conceptually showing a state in which the spare screw is removed from the state of FIG. FIG. 16 is an enlarged perspective view showing the temporary holding portion. FIG. 17 is a view of the temporary holding portion as viewed from the substrate case unit 100 side.

  As shown in FIG. 6, the substrate case unit 100 is configured as a case that houses a main board 30 that controls the pachinko machine 1 (the main board 30 corresponds to a control board), and the main board shown in FIG. 3. 30, a case member 120 that surrounds 30, and a holding member 110 that holds the case member 120. The case member 120 includes a first case 120a and a second case 120b and is configured to house a control board (main board 30) therein, and a first sealing portion 129a provided on the first case 120a side; It has the sealing member 128 which connects the 2nd sealing part 129b provided in the 2nd case 120b side, and the 1st sealing part 129a and the 2nd sealing part 129b are connected by the sealing member 128. When the control board (main board 30) is taken out, the case member 120 is destroyed or a predetermined part (a part near the sealing member 128) needs to be cut.

  The sealing member 128 is made of, for example, a metal member, etc., and is configured to be extremely difficult to remove by manual operation after being engaged with the first sealing portion 129a and the second sealing portion 129b (configuration that fits firmly). Alternatively, the sealing member 128 is difficult to be detached due to the engagement with the first sealing portion 129a and the second sealing portion 129b.

  As shown in FIG. 7, the case member 120 is formed in a longitudinal shape and a box shape from a resin material, and has a configuration in which two cover members are fitted together. The case member 120 is configured to open any one of the cover members, and is configured to cover the main substrate 30 while accommodating the main substrate 30 therein. A plurality of vent holes 123 are formed in the rear wall 122 of the case member 120.

  As shown in FIG. 6, the holding member 110 is formed in a longitudinal shape by a resin material and can be separated from the case member 120. Two rotating supported portions 116 that are rotatably supported by the base member 70 are formed on one end side in the longitudinal direction of the holding member 110. The base member 70 is formed with two support shafts 119 inserted into the holes of the rotation supported portion 116, and the rotation supported portion 116 is configured to rotate about the support shaft 119. ing. An engaging pin 118 that engages with the base member 70 and an engaging claw 113 that engages with the case member 120 are formed on the other end side opposite to the rotation support portion 116 in the longitudinal direction.

  As shown in FIGS. 7 to 11, connecting portions 111 a and 121 a are formed in pairs in the holding member 110 and the case member 120, respectively. These connecting portions 111a and 121a are configured to be connected to each other by a screw member 140 made of a breaking screw. That is, as shown in FIG. 6 to FIG. 7, the case member 120 is engaged with the holding member 110 so that the connecting portions 111a and 121a correspond to each other, and then the state is changed to the state shown in FIG. The holding member 110 and the case member 120 are fixed by screwing the breaking screw 140 (in the enlarged view, so as to shift from the state of FIG. 9 to the state of FIG. 10).

  As shown in FIGS. 9 and 10, the breaking screw 140 has a configuration in which a tool engaging portion 141 and a fastening portion 142 are connected by a breaking portion 146, and a screw groove is formed in the fastening portion 142. A screw part 144 and a head part 143 are formed. The breaking portion 146 has a diameter smaller than that of the head portion 143 and the tool engaging portion 141, and the tool engaging portion 141 is rotated by applying a certain amount of force in a state where the fastening portion 142 is screwed. 11 is configured to be broken. In the state of being broken as shown in FIG. 11, both the connecting portions 111 a and 121 a are suitably connected, and the removal operation using the tool with respect to the breaking screw 140 becomes impossible. In the initial state, it is maintained as shown in FIG. 4 in such a coupled state.

  Note that the holding member 110 according to the present embodiment has a pair of upper and lower wall portions 114 a and 114 b formed thereon. It is configured to be supported by 114b. In this configuration, since the vertical movement of the substrate case 120 is restricted by the walls 114a and 114b when the substrate case 120 is attached as shown in FIG. In this state, the substrate case 120 cannot be removed. The substrate case 120 is opened and closed by sliding the first case 120a up and down relatively with respect to the second case 120b. Temporarily release the sealing of the sealing member 128 to open the case. Even when the second case 120b is attached to the holding member 110, the movement of the first case 120a is restrained by the wall portions 114a and 114b, so that the first case 120a is relative to the second case 120b. Cannot slide. Therefore, in order to open the substrate case 120, it is not sufficient to release the sealing by the sealing member 128, and the connection by the breaking screw 140 must be released. Accordingly, a double prevention function is provided for the opening of the substrate case 120.

  On the other hand, during maintenance, the case member 120 needs to be removed from the holding member 110 and opened, and in this case, the screw 140 can be removed by breaking at least one of the connecting portions 111a and 121a. ing. That is, both the connecting portions 111a and 121a are configured to be partially broken and can be removed by breakage. More specifically, a pair of upper and lower notches are formed along the connecting portion 111a (only the upper notch 170 is shown in FIG. 11), and the connecting portion 111a is easily broken. By being configured in this way, at the time of maintenance, the case member 120 can be detached and opened by breaking and removing both the connecting portions 111a and 121a, and in that case, a broken trace remains.

  Further, as shown in FIGS. 4 to 11, the holding member 110 and the case member 120 can be connected to each other by a spare screw 240 made of a break screw (the spare screw 240 corresponds to an example of a spare connecting member). Are formed with preliminary connecting portions 111b, 111c, 111d and 121b, 121c, 121d. The connecting part 111b corresponds to the connecting part 121b, similarly, the connecting part 111c corresponds to the connecting part 121c, the connecting part 111d corresponds to the connecting part 121d, and each can be fixed by a spare screw 240 described later. Has been. Note that the preliminary connection portions 111b, 111c, and 111d have the same configuration as the connection portion 111a, and the preliminary connection portions 121b, 121c, and 121d have the same configuration as the connection portion 121a. The preliminary connection portions 111b, 111c, and 111d are configured to be easily broken, and when these preliminary connection portions 111b, 111c, and 111d are connected to the preliminary connection portions 121b, 121c, and 121d by the preliminary screws 240, It is configured so that the connection by the preliminary screw 240 can be released by breaking the preliminary connection portions 111b, 111c, and 111d.

  On the other hand, as shown in FIGS. 12 to 17, the holding member 110 is provided with a temporary holding portion 130 that holds the auxiliary screw 240 so that it can be pulled out.

  As shown in FIGS. 4, 12, and 13, the holding member 110 is configured to be openable and closable with respect to the base member 70 attached to the game board 7 side. It is formed on the opposing wall surface 115 that faces the base member 70 when closed. 4 shows a state where the holding member 110 is closed, and FIGS. 12 and 13 show a state where the holding member 110 is opened.

  As shown in FIGS. 13 and 16, the temporary holding portion 130 of the holding member 110 is arranged at a predetermined distance from the outer surface of the base member 70, and the reserve screw 240 has the screw portion 244 on the outer surface side of the base member 70. Temporarily held in a state of being extended.

  Further, as shown in FIGS. 16 and 17, the reserve screw 240 is constituted by the same type of fracture screw as the screw member 140, and a tool engaging portion 241 is formed on one end side and the other end is formed. A fastening portion 242 having a thread groove formed on the side is provided, and the tool engaging portion 241 and the fastening portion 242 are connected by a fracture portion 246 having a smaller diameter than those.

  As shown in FIGS. 16 and 17, the temporary holding portion 130 is formed by a hole 157 formed in the opposing wall surface 115 of the holding member 110 and a piece toward the center of the hole 157 in the opposing wall surface 115 of the holding member 110. A plurality of elastic pieces 150 formed in a holding shape are provided, and the plurality of elastic pieces 150 and the reserve screw 240 are engaged to temporarily hold the reserve screw 240.

  The plurality of elastic pieces 150 are arranged with their tips interposed between the tool engaging portion 241 and the fastening portion 242 so as to face the breaking portion 246 and engage with the spare screws 240.

  Further, as shown in FIGS. 16 to 18, the temporary holding portion 130 is arranged to face the outer peripheral surface 241 a of the tool engaging portion 241, and can support the outer peripheral surface 241 a of the tool engaging portion 241. 1 guide wall 153, and the 2nd guide wall 155 which is arrange | positioned facing the outer peripheral surface 243a of the head 243 of a fastening part, and can support the outer peripheral surface 243a of a head.

  Further, as shown in FIGS. 16 and 17, the first guide wall 153 is formed in a rib shape protruding in a predetermined direction, and is bent in a direction intersecting with the protruding direction, and the bent corner portion 153a. Is arranged opposite to the outer peripheral surface 241a of the tool engaging portion. Further, as shown in FIG. 16, a plurality of first guide walls 153 are provided so as to protrude from the tool engagement portion 241 and surround the tool engagement portion 241. Thus, since the plurality of first guide walls 153 are configured to protrude from the tool engaging portion 241, the structure is extremely difficult to remove from the substrate case 120 side (for example, a structure that is difficult to remove by pliers or the like). ) Further, the opposing surface of each corner portion 153a facing the spare screw 240 is a flat surface, so that it can be properly supported even when the spare screw 240 swings, and the tilt can be suitably prevented. That is, the preliminary screws 240 are appropriately prevented from being inclined by the three flat surfaces formed at the corners 153a.

  Further, the temporary holding part 130 holds the spare screw 240 so that it can be pulled out on both the base member 70 side and the case member 120 side, thereby ensuring the convenience of work.

  As described above, according to the configuration of the present embodiment, the first connecting part 111a and the second connecting part 121a can be removed by breakage. The inside can be opened, and the opened trace remains. Further, when closing again, the spare screw 240 can be easily accessed, and can be easily closed as long as the spare screw 240 is fixed to the spare connecting portion. That is, it is possible to realize a substrate case unit that is easy to perform regular maintenance and has excellent crime prevention.

  Further, the case member 120 is configured to be openable and closable with respect to the base member 70, and the temporary holding portion 130 is formed on the opposing wall surface 115 that faces the base member 70 when the case member 120 is closed. The temporary holder 130 and the reserve screw 240 do not get in the way at the time (that is, when the case member 120 is closed), and the case member 120 is opened and closed when performing the closing operation using the reserve screw 240. Thus, the temporary holding unit 130 can be easily accessed.

  Further, since the temporary holding portion 130 of the case member 120 is arranged at a predetermined distance from the outer surface of the base member, there is a space for arranging the screw portion of the auxiliary screw 240 between the temporary holding portion 130 and the outer surface of the base member. It is formed. Since the preliminary screw 240 is temporarily held in a state where the screw portion 244 extends to the outer surface side of the base member 70, the preliminary screw 240 is easily grasped after the case member 120 is opened, and workability is improved. .

  The temporary holding unit 130 includes a hole formed in the wall surface of the holding member 110 and a plurality of elastic pieces 150 formed in a cantilever shape toward the center of the hole in the wall surface of the holding member 110. The spare screws 240 are temporarily held by engaging the plurality of elastic pieces 150 and the spare screws 240. Therefore, the structure which hold | maintains the reserve screw 240 with a part of wall surface of the holding member 110 is implement | achieved suitably, and simplification of an apparatus structure and cost reduction are achieved effectively.

  The preliminary screw 240 is constituted by a breaking screw, and the temporary holding part 130 is constituted by a plurality of elastic pieces 150 whose tip is interposed between the tool engaging part 241 and the fastening part and is opposed to the breaking part 246. Has been. Therefore, this is a preferred example in which the temporary holding can be released with an appropriate force while the preliminary screw 240 is stably temporarily held.

  In the temporary holding portion 130, a first guide wall 153 capable of supporting the outer peripheral surface 241a of the tool engaging portion 241 and a second guide wall 155 capable of supporting the outer peripheral surface 243a of the head portion 243 of the fastening portion 242 are provided. ing. Therefore, the swinging of the auxiliary screw 240 can be reduced or prevented, and problems caused by the swinging (such as detachment of the preliminary screw 240) can be effectively prevented.

  In the present embodiment, the case member 120 cannot be removed unless the connection between the first connecting portion 111a and the second connecting portion 121b is released by breaking. The first sealing portion 129a provided on the case 120a side and the second sealing portion 129b provided on the second case 120b side are sealed by the sealing member 128, and the case member 120 is destroyed. The inside of the case member 120 cannot be accessed unless a predetermined part (part near the sealing member 128) is broken. Therefore, it has a double crime prevention function and it is extremely difficult to access the control board.

  In this embodiment, the temporary holding unit 130 includes a first temporary holding unit 131, a second temporary holding unit 132, and a third temporary holding unit 133. The second temporary holding part 132 is arranged side by side, and the elastic piece 150 of the first temporary holding part 131 and the second temporary holding part 132 in the direction perpendicular to the arrangement direction (that is, the vertical direction). It arrange | positions so that the elastic piece 150 may overlap. Therefore, the space in the arrangement direction can be effectively reduced. Similarly, the second temporary holding unit 132 and the third temporary holding unit 133 are arranged side by side (more specifically, the first temporary holding unit 131, the second temporary holding unit 132, the third temporary holding unit 132, The temporary holding portions 133 are arranged side by side), and the elastic piece 150 of the second temporary holding portion 131 and the elastic piece 150 of the third temporary holding portion 132 in a direction orthogonal to the arrangement direction (that is, the vertical direction). And are arranged so as to overlap.

<Other embodiments>
The present invention is not limited to the embodiments described with reference to the above description and drawings. For example, the following embodiments are also included in the technical scope of the present invention, and further, within the scope not departing from the gist of the invention other than the following. Various modifications can be made.

(1) In the said embodiment, although the connection member was comprised with the fracture | rupture screw, you may comprise a connection member with a one-way screw. Similarly, you may comprise a preliminary | backup connection member with a one-way screw. The “one-way screw” here refers to a tool engaging portion (part engaged with the tool and operated by the tool) formed on the one-way screw that engages with the tool only when rotating in the tightening direction. In the case of rotating in the removal direction side, it means that the engagement with the tool becomes impossible.
(2) In the above embodiment, the preliminary screw is constituted by a fracture screw, but the screw member may be constituted by a one-way screw.

Front view conceptually illustrating the gaming machine according to the first embodiment. The front view which illustrates notionally the game board structure of the gaming machine of FIG. 1 is a block diagram illustrating an electrical configuration of a gaming machine according to a first embodiment. The perspective view which illustrates notionally the back side composition of pachinko machine 1 of Embodiment 1. Explanatory drawing explaining the step before attaching the substrate case unit 110 to the base member 70 The perspective view which shows the state before the coupling | bonding which couple | bonds the case member 120 and the holding member 110 The perspective view which shows the state which couple | bonded the case member 120 and the holding member 110 The perspective view which shows the state which screwed with the screw member 140, combining the case member 120 and the holding member 110. The enlarged view which expands and shows the principal part in the state of FIG. The enlarged view which expands and shows the principal part in the state of FIG. 8, and the enlarged view which expands further the connection part vicinity The perspective view which shows the state which fractured | ruptured the tool engaging part 141, after screwing with the screw member 140 The perspective view which shows the state which opened the substrate case unit 100 with respect to the base member 70. The perspective view which shows the state of FIG. 12 from the direction different from FIG. The perspective view which shows notionally the state which isolate | separated the substrate case unit 100 from the state of FIG. The perspective view which shows notionally the state which extracted the preliminary | backup screw from the state of FIG. The perspective view which expands and shows a temporary holding part The figure which looked at the temporary holding part from the substrate case unit 100 side The perspective view which expands and shows a temporary holding part from the side different from FIG.

Explanation of symbols

1 ... Pachinko machine (game machine)
30 ... Main board (control board)
70 ... Base member 100 ... Substrate case unit 110 ... Holding member 111a ... 1st connection part (connection part)
111b, 111c, 111c ... preliminary connection part 115 ... opposite wall surface 120 ... case member 120a ... first case 120b ... second case 121a ... second connection part (connection part)
121b, 121c, 121d ... Preliminary connecting portion 128 ... Sealing member 129a ... First sealing portion 129b ... Second sealing portion 130 ... Temporary holding portion 140 ... Screw member (connecting member)
DESCRIPTION OF SYMBOLS 150 ... Elastic piece 153 ... 1st guide wall 153a ... Corner | angular part 155 ... 2nd guide wall 240 ... Preliminary screw (preliminary connection member)
241: Tool engaging portion 241a: outer peripheral surface of tool engaging portion 242: fastening portion 243: head portion of fastening portion 243a: outer peripheral surface of head portion of fastening portion 246: fracture portion

Claims (10)

A board case unit for accommodating a control board for controlling a gaming machine,
A first case and a second case are provided and the control board is accommodated therein, and a first sealing portion provided on the first case side and a second seal provided on the second case side When the control board is taken out when the first sealing part and the second sealing part are connected by the sealing member, the case member is destroyed. Or a case member that needs to break a predetermined part;
A holding member for holding the case member;
A pair of connecting portions that are formed in the case member and the holding member, and are connected to each other by a connecting member, and the connection by the connecting member can be released by breaking at least one of them,
The case member and the holding member are formed at positions different from the connecting portions, and can be connected to each other by a preliminary connecting member, and at least one of them is broken to connect the preliminary connecting member. A pair of preliminary connecting portions that can be released;
A temporary holding portion formed to hold the preliminary connection member in the holding member;
A board case unit for a gaming machine, comprising: The holding member is configured to be openable and closable with respect to a predetermined base member,
The board case unit of the gaming machine according to claim 1, wherein the temporary holding portion is formed on an opposing wall surface facing the base member when the holding member is closed. The temporary holding portion is arranged at a predetermined distance from the outer surface of the base member in the holding member,
The board case unit of the gaming machine according to claim 2, wherein the preliminary connection member is temporarily held in a state where a screw portion extends to an outer surface side of the base member. The temporary holding portion includes a hole formed in the wall surface of the holding member, and a plurality of elastic pieces formed in a cantilever shape toward the center of the hole portion on the wall surface of the holding member, 4. The board case unit of a gaming machine according to claim 1, wherein the preliminary connection member is temporarily held by engaging a plurality of elastic pieces with the preliminary connection member. The preliminary connecting member comprises a breaking screw,
The breaking screw has a tool engaging portion formed on one end side and a fastening portion formed with a thread groove on the other end side, and the tool engaging portion and the fastening portion are smaller than those. It is connected by a fracture portion of the diameter,
The temporary holding portion includes a plurality of elastic pieces whose distal ends are disposed between the tool engaging portion and the fastening portion and are disposed to face the fracture portion. Item 4. The board case unit of the gaming machine according to any one of Items 3 to 4. The temporary holding part is
A first guide wall that is disposed opposite to the outer peripheral surface of the tool engaging portion and can support the outer peripheral surface of the tool engaging portion;
A second guide wall disposed opposite to the outer peripheral surface of the head of the fastening portion and capable of supporting the outer peripheral surface of the head;
The board case unit of the gaming machine according to claim 5, comprising: The first guide wall is formed in a rib shape protruding in a predetermined direction and has a bent shape as viewed in the protruding direction, and a corner portion of the outer shape viewed in the protruding direction is opposed to the outer peripheral surface of the tool engaging portion. The board case unit of the gaming machine according to claim 6, wherein the board case unit is arranged as a board. The plurality of first guide walls are provided so as to protrude from the tool engaging portion and surround the tool engaging portion. Board case unit for gaming machines. A gaming machine comprising the board case unit of the gaming machine according to any one of claims 1 to 8. A gaming machine comprising a control board and a board case unit for housing the control board,
The substrate case unit is
A first case and a second case are provided and the control board is accommodated therein, and a first sealing portion provided on the first case side and a second seal provided on the second case side When the circuit board is taken out when the first sealing part and the second sealing part are connected by the sealing member, the case member is destroyed. Or a case member that needs to break a predetermined part;
A holding member for holding the case member;
A pair of connecting portions that are formed in the case member and the holding member, and are connected to each other by a connecting member, and the connection by the connecting member can be released by breaking at least one of them,
The case member and the holding member are formed at different positions from the connecting portion, and can be connected to each other by a preliminary connecting member. When at least one of the case member and the holding member is broken, the preliminary connecting member is connected. A pair of preliminary connecting portions that can be released;
A temporary holding portion formed to hold the preliminary connection member in the holding member;
With
The gaming machine, wherein the case member and the holding member are connected to each other by the connecting member in the pair of connecting portions, and the preliminary connecting member is held by the temporary holding portion.

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