JP4378353B2 - Board case - Google Patents

Description

  The present invention relates to a board case that accommodates a control board that controls the operation of a gaming machine in a gaming machine such as a pachinko machine or a slot machine, and more specifically, can illegally open a board case that contains a control board or the like. The present invention relates to a mechanism for preventing unauthorized opening of a substrate case to prevent unauthorized actions against a control board or the like.

  In gaming machines such as pachinko machines and slot machines, a control board for controlling the operation of the gaming machine is provided. For example, in a pachinko gaming machine, a game board and a back mechanism board are mounted on a storage frame on the back side of a front frame that is assembled to be openable and closable with respect to an outer frame, and a control board is attached to the back mechanism board. Similarly, in the slot machine, a control board is attached to the back surface of the opening / closing cover.

  These control boards are boards that control the operation of pachinko machines or slot machines, such as prize ball or medal payout control, opening / closing control of electric accessories, reel rotation control, symbol combination occurrence probability control, etc. A ROM in which the control software of the machine is recorded is mounted and serves as a central control device that controls the operation of the gaming machine. For this reason, the control board is housed in the board case so that it is not subject to unauthorized modification such as replacement with a counterfeit ROM, and this board case is illegally opened (or illegally left with traces when the case is opened). (Detachment) prevention means is provided.

  Examples of such unauthorized opening prevention means include means for fastening a plurality of cleavable screw fastening pairs with special screws. This is a board case composed of a case main body member and a case lid member that can be freely opened and closed on the case main body member, and a screw threaded portion corresponding to each side edge of the case main body member and the case lid member, and A plurality of screw fastening pairs consisting of screw penetration parts are formed, and of these, at least one screw threaded part and screw penetration part can be operated only in the tightening direction. The engagement portion is formed only in the direction, and the engagement portion in the loosening direction is removed in a spiral shape, and is tightened with a screw (hereinafter referred to as “one-way screw” in this specification). In this configuration, a severable cutting part is formed between the case lid member and the screw penetration part. For example, Japanese Patent Laid-Open No. 10-328385 and Japanese Patent Laid-Open No. 11-226220 disclose such a configuration.

  With the above-described unauthorized opening prevention means, when the administrator opens the board case for ROM inspection, control board maintenance inspection, etc., the cutting portion of the fastening pair fastened with the one-way screw is cut with a tool such as a nipper. By disconnecting the screw penetration part from the case lid member, the connection between the case lid member and the case main body member is released, and the case lid member is opened. In this way, the case lid member is opened and the ROM is inspected, etc., but after this inspection is completed, another fastening pair that has not yet been fastened is fastened with a one-way screw, and the case body member is attached to the case body member. Install and close. In addition, a board management sticker that displays the board management number and the opening history is affixed to the board case, and the administrator who opened the label manages the opening date and the name of the person who opened it on this board management sticker. It has become.

According to the unauthorized opening prevention means as described above, the one-way screw generally cannot be rotated in the direction of loosening the screw, and it is necessary to cut the cutting part when opening the board case. Traces remain clear and unauthorized opening can be detected early.
JP-A-10-328385 Japanese Patent Laid-Open No. 11-226220

  However, since the above-described unauthorized opening prevention means uses a one-way screw as the fastening means, a tool such as a screwdriver must be used when fastening the screw fastening pair, and the fastening work is troublesome. It was. Further, in the conventional board case, since the control board accommodated in the board case is entirely covered with the case lid member, a connector connected to the control board is required when opening the board case for ROM inspection or the like. It had to be removed, and the work was complicated. In addition, if a control board is transferred to a duplicated board case after the board case has been illegally opened, there will be no cutting trace when the board case is opened, and unauthorized opening may not be detected at an early stage. It was.

  The present invention has been made in view of such a problem, and an object of the present invention is to provide a board case that can prevent an illegal act on a control board with a simpler configuration.

  In order to achieve such an object, a substrate case according to the present invention includes a case main body member, a case lid member attached to the case main body member so as to be able to swing open and close using a hinge mechanism provided on one end side, and the like. A tamper-release prevention mechanism provided on the end side, and a control board for controlling electronic components mounted on the gaming machine is housed inside the case formed by closing the case lid member with respect to the case body member, and tamper-free In a board case configured to hold the case lid member in a closed state with respect to the case body member using a prevention mechanism, a relief portion that exposes a connector connected to the control board to the side of the case lid member Is formed.

Further, the unauthorized opening prevention mechanism is connected to the case main body member, and when the case lid member is closed with respect to the case main body member, there is a main body side engagement space that opens at one end facing the case lid member. A plurality of body-side engaging portions formed and a lid side that is connected to the case lid member and that opens at one end facing the case body member when the case lid member is closed with respect to the case body member A plurality of lid-side engaging portions formed so as to be opposed to and overlap each of the plurality of main body-side engaging portions when the case lid member is closed with respect to the case main body member; When the main body side engagement portion and the lid side engagement portion face each other and overlap each other, a plurality of members disposed in an engagement space formed by connecting the main body side engagement space and the lid side engagement space. and a connecting member, projects outward at one end an outer surface of the connecting member Both are formed with a body-side engagement protrusion that can be elastically deformed inward, and a lid-side engagement protrusion that protrudes outward and can be elastically deformed inward on the outer surface of the other end of the connection member. A body-side recess is formed in the body-side engagement space in the body-side engagement portion, and the body-side engagement protrusion protrudes and engages when one end side of the connection member is inserted. In the engagement space, a lid-side recess is formed in which the lid-side engagement projection protrudes and engages when the other end side of the connection member is inserted , and the connection member has one end side of the connection member in the engagement space. A lock direction facing the side engagement portion and a configuration in which the other end side of the connection member faces the unlock direction facing the main body side engagement portion opposite to the lock direction can be arranged.
When the connection member is disposed facing the lock direction in the engagement space formed by the body side engagement portion and the lid side engagement portion facing each other, the one end side of the connection member is The main body side engaging protrusion is engaged with the main body side engaging portion by being inserted into the main body side engaging space, and the other end side of the connecting member is inserted into the lid side engaging space. The lid-side engaging projection engages with the lid-side concave portion to engage the lid-side engaging portion, and the connecting member connects the main body-side engaging portion to the lid-side engaging portion so that the case lid member is connected to the case main body. The connection member is disposed facing the unlocking direction in the engagement space formed in a state where the main body side engaging portion and the lid side engaging portion are overlapped with each other while being kept closed with respect to the member. In the state, the other end side of the connecting member is inserted into the main body side engagement space in a non-engagement state with the main body side engaging portion. With one end of the connecting member is configured to be inserted into the cover side engagement space in disengaged relative cover-side engaging portion, the locking direction at least one connecting member to the engaging space The case lid member is kept closed with respect to the case main body member by connecting the main body side engaging portion and the lid side engaging portion by the connecting member, and is connected by the connecting member. By cutting the case main body member or the connecting portion with the case lid member in at least one of the main body side engaging portion and the lid side engaging portion, the case lid member is used as the case main body member while the connector is connected to the control board. The connecting member is provided with direction identifying means that can visually identify whether the connecting member is disposed in the locking direction or the unlocking direction. .

Further, in the above-described invention, the main body side engaging space and the lid side engaging space are formed in a rectangular cross-sectional quadrangular prism shape, and the main body side engaging space and the lid side engaging space are connected to form an engaging space. Is formed in a rectangular cross-sectional quadrangular prism shape, the connecting member is formed in a rectangular cross-sectional quadrangular prism shape, and the main body side is connected to the outer surface on one end side of the connecting member corresponding to one of the short side or the long side of the rectangular cross section. A mating projection is formed, and a lid-side engagement projection is formed on the outer surface on the other end side of the connecting member corresponding to the other of the short side or the long side of the rectangular cross section. A body-side recess is formed on the side corresponding to one of the short side or the long side of the rectangular cross section of the joint space, and corresponds to the other of the short side or the long side of the rectangular cross section of the lid side engaging space in the lid side engaging portion. preferred that the lid-side recess in the side is formed There.

  According to the present invention, since one end side of the connecting member engages with the main body side engaging portion and the other end side engages with the lid side engaging portion, the main body side engaging portion and the lid side engaging portion can be easily arranged. The case body member and the case lid member can be easily coupled and held in the closed state. In addition, since a connection member is accommodated in an engagement space, it becomes very difficult to cancel | release engagement with such a connection member, a main body side engaging part, and a lid | cover side engaging part. Moreover, since the connection part with the case main body member or the case cover member in at least one of the main body side engaging part and the lid side engaging part is configured to be cut, if the connecting part is cut, the case main body member The case lid member can be removed, but when the connecting portion is cut in this way, the destruction trace remains, so that it can be easily found and illegal acts can be effectively suppressed.

  In the case of ROM inspection, etc., the connecting portion is similarly cut to open the case lid member, and the ROM is inspected in this state, but the relief portion formed on the side portion of the case lid member Since the case lid member can be swung open with respect to the case body member while the connector is connected to the control board, the work efficiency of the ROM inspection or the like can be improved. Further, since the case main body member and the case lid member are provided with a plurality of main body side engaging portions and lid side engaging portions, after the completion of the inspection of the ROM, the set of the main body side engaging members whose connection portions are not cut yet. By connecting the joint portion and the lid-side engaging portion with the connection member, the case main body portion and the case lid member can be coupled and held in the closed state again.

  In the above-described invention, one end side of the connection member is inserted into the main body side engagement space, and the main body side engagement protrusion engages with the main body side recess, and the other end side of the connection member is within the lid side engagement space. By being inserted and configured so that the lid-side engaging protrusion is engaged with the lid-side recess, the main body-side engaging portion and the lid-side engaging portion can be more easily connected.

  Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings. FIG. 1 and FIG. 2 show a pachinko machine PM as a representative example of a gaming machine provided with a board case according to the present invention. First, the overall configuration of the pachinko machine PM will be briefly described with reference to these drawings. Here, FIG. 1 is a front view of the pachinko machine PM, and FIG. 2 is a rear view of the pachinko machine PM.

  In the pachinko machine PM, an opening front frame 2 configured in a rectangular frame size corresponding to the front frame 2 is formed in front of each other on the front surface of the outer frame 1 which is configured in an outer rectangular frame size and forms a vertically fixed holding frame. The hinge members 3a and 3b disposed on the left and upper sides are attached so as to be able to be opened and closed laterally and attached and detached, and are always in a closed state engaged with the outer frame 1 using the locking device 4 provided on the right side of the front. Retained.

  Hinge mechanisms 7a and 7b each having a square glass door 5 and a ball tray 6 provided on the front left side of the front frame 2 as game development members for developing pachinko games in the front frame 2 , 7c can be opened / closed and attached / detached sideways, and an operation handle 8 for performing a game ball launching operation is provided at the lower right side of the ball tray 6. A rectangular frame-shaped storage frame (not shown) that protrudes rearward from the center to the top of the front frame 2 is formed integrally with the front frame 2, and the game board is configured with a predetermined gauge setting in the storage frame. 10 is detachably set and held, and the game area PA on the front of the game board faces the glass door 5 that is normally held closed.

  On the back side of the front frame 2, there is a plurality of back set boards 30 provided on the back side of the front frame 2, which have a window that communicates with the front and rear in the center and is formed in a rectangular frame shape slightly smaller than the front frame 2. The levers L, L... Are detachably set and held. Each part of the back set board 30 is equipped with a prize ball device such as a ball storage tank 31 for storing game balls, a tank rail 32, an alignment standby passage 33, a prize ball cassette 34, a prize ball discharge passage 35, and the like. Various control board assemblies such as the power board assembly 40 and the main board assembly 50 and electronic components are attached to the power board assembly 40 and the image control board assembly 18 attached to the back surface of each device and the game board 10. They are connected by a wire harness 45.

  An auxiliary mechanism portion called a game assisting board (not shown) is formed in the lower region of the front frame 2 whose front side is covered with the ball tray 6, and a ball hitting device ( A storage cassette (not shown) for temporarily storing game balls that are connected to the prize ball discharge passage 35 on the back set board 30 side and cannot be discharged to the ball tray 6 are provided.

  The pachinko machine PM is used in a game in which the front frame 2, the glass door 5, and the ball tray 6 are all closed and locked, and a game ball is stored in the ball tray 6 and the operation handle 8 is rotated. A game is started. When the operation handle 8 is turned, the game balls stored in the ball tray 6 are shot one by one into the game area PA of the game board 10 by the hitting ball launcher, and the pachinko game is developed thereafter.

  In the pachinko machine PM schematically configured as described above, the main substrate assembly 50 is provided with an unauthorized opening prevention mechanism. The main substrate assembly 50 will be described below with reference to FIGS. Here, FIG. 3 is a perspective view of the main board assembly 50, FIG. 4 is a perspective view showing a state in which a case lid member 70 configured in the main board assembly 50 is opened with respect to the case body member 60, and FIG. FIG. 6 is an exploded front view of the main board assembly 50, FIG. 7A is an enlarged side cross-sectional view showing a state in which the locking arm 64 is locked to the locking protrusion 74, and FIG. 7B. FIG. 8 is an enlarged view showing a state where the locking arm 64 is locked to the locking projection 74, and FIG. 8A is an enlarged side sectional view showing a state before the locking arm 64 is locked to the locking projection 74, FIG. 8B is an enlarged view showing a state before the locking arm 64 is locked to the locking projection 74.

  As shown in FIGS. 3 to 6, the main board assembly 50 mainly includes a main control board 51 that comprehensively controls the operation of the pachinko machine PM and a main board case 55 that accommodates the main control board 51 therein. Composed. Further, the main board case 55 includes a case body member 60 fixed to the back set board 30 of the pachinko machine PM, a case lid member 70 attached to the case body member 60 so as to be swingable and openable, the case body member 60 and the case. A hinge mechanism 80 (see FIG. 20) provided on one end side of the lid member 70 is provided, and the main control board 51 is accommodated in a case formed by closing the case lid member 70 with respect to the case body member 60. Configured.

  As shown in FIGS. 4 and 6, the main control board 51 includes a ROM 52 disposed at the center of the main control board 51, left connector sections 53, 53,... Disposed on the left side of the main control board 51. , And the like, having electronic components such as right connector portions 54, 54,... Arranged on the right side of the main control board 51. Board mounting holes 51a, 51a,... Are formed on four sides of the main control board 51 so that board mounting screws (not shown) can pass therethrough. .. And the right connector portions 54, 54,... Are connected to various connectors 46, 46,. .

  The case main body member 60 has a rectangular box shape with an opening, and is integrally molded by a molding means such as injection molding using a transparent resin material such as ABS resin or polycarbonate (PC). Reinforcing ribs 61 are formed vertically and horizontally at the bottom of the case main body member 60 to improve the strength of the case main body member 60 and to contact the main control board 51 accommodated inside the case as shown in FIG. Can be received. In addition, board attachment portions 62, 62,... Are formed in boss shapes having screw holes at four locations on the bottom of the case body member 60, and a board attachment screw (not shown) is attached to the main control board 51. The main control board 51 is attached and fixed to the case main body member 60 so as to block the opening of the case main body member 60 by passing through the hole 51 a and fixing the screw to the board attachment portion 62.

  As shown in FIGS. 6 and 20, hinge shafts 63, 63 configured in the hinge mechanism 80 are formed at one end side edge of the case body member 60, and the hinge arms 71, 71 of the case lid member 70 are formed. And are respectively engaged with hinges. Locking arms 64 and 64 projecting along the wall surface are formed on the side wall portion (outside) of the other end of the case body member 60. As shown in FIGS. 7 and 8, the case lid member 70 is locked. The projections 74 and 74 are respectively locked.

  As shown in FIG. 7A and FIG. 8A, an inner guard rib 65 protrudes from the inner edge of the other end side of the case main body member 60, and the case lid member 70 is formed by the case main body member 60. When it is closed, it is positioned inside the outer guard rib 75 of the case lid member 70. An edge contact portion 66 is formed on the outer side of the other end side edge of the case main body member 60 so as to be connected to the inner guard rib 65, and when the case lid member 70 is closed with respect to the case main body member 60, The guard rib 75 comes into contact with the edge contact portion 66.

  The case lid member 70 has a rectangular box shape covering the upper surface side of the main control board 51 having the ROM 52, and is formed by a molding means such as injection molding using a transparent resin material such as ABS resin or polycarbonate (PC). Molded integrally. As shown in FIGS. 6 and 20, hinge arms 71, 71 configured in a hinge mechanism 80 are formed on one end side edge of the case lid member 70, and hinge shafts 63, 63 of the case body member 60 are formed. And are respectively engaged with hinges.

  As described above, the hinge mechanism 80 includes the hinge shafts 63 and 63 formed on the one end side edge of the case body member 60 and the hinge arms 71 and 71 formed on the one end side edge of the case lid member 70. Composed. Then, the hinge cover 63 and the hinge arms 71 and 71 of the case cover member 70 are respectively engaged with the hinge shafts 63 and 63 (see FIG. 20). A hinge shaft 63 is attached as a central axis so as to be swingable and openable.

  A left escape portion 72 and a right escape portion 73 are formed on the left and right sides of the case lid member 70, respectively, and the case lid member 70 is closed with respect to the case body member 60 as shown in FIGS. 3 and 17. In this state, the left connector portions 53, 53,... And the right connector portions 54, 54,. Further, the left escape portion 72 and the right escape portion 73 are formed to extend linearly from one end side to the other end side of the case lid member 70, and as shown in FIG. 4, the left connector portions 53, 53,. And the right connector portions 54, 54,... Can be opened and closed with respect to the case body member 60 with the various connectors 46, 46,.

  Engagement protrusions 74, 74 that can be engaged with the engagement arms 64, 64 of the case body member 60 are formed on the side wall portion (outside) of the other end of the case lid member 70. As shown in FIG. 7, when the case lid member 70 is closed with respect to the case body member 60, the locking arms 63 and 63 are locked to the locking protrusions 74 and 74, respectively. 70 holds the closed state with respect to the case main body member 60.

  An outer guard rib 75 is formed to protrude outward from the edge of the other end of the case lid member 70. When the case lid member 70 is closed with respect to the case body member 60, as shown in FIG. In addition, the case main body member 60 is positioned outside the inner guard rib 65 and contacts the edge contact portion 66, so that the labyrinth structure prevents a tool such as a wire or a cell plate from being illegally inserted into the case. It has become.

  Thus, when the case lid member 70 is closed with respect to the case body member 60, the locking arm 64 is only locked to the locking projection 74, and the case lid member 70 is moved to the case body. The member 60 can be easily rocked and released. Therefore, in order to prevent the case lid member 70 in the closed state from being opened and to prevent unauthorized operation, the substrate assembly 50 is provided with an unauthorized opening prevention mechanism. Therefore, the unauthorized opening prevention mechanism 100 provided in the substrate assembly 50 will be described in detail below with additional reference to FIGS.

  Here, FIG. 9 is an exploded perspective view of the main body side engaging portion 110 configured in the unauthorized opening prevention mechanism 100, and FIG. 10 is an exploded perspective view of the lid side engaging portion 120 configured in the unauthorized opening prevention mechanism 100. 11 is a plan view of the main body side engaging portion 110, FIG. 12 is a bottom view of the lid side engaging portion 120, FIG. 13 is a perspective view of the connecting member 150 configured in the unauthorized opening prevention mechanism 100, and FIG. It is the perspective view which looked at the connection member 150 of this from the other side.

  15A is a side view of the connecting member 150 viewed from the long side in the rectangular cross section, FIG. 15B is a plan cross-sectional view taken along arrows XV-XV in FIG. (A) is a side view seen from the short side direction in the rectangular cross section of the connecting member 150, FIG. 16 (b) is a plan sectional view along the arrow XVI-XVI in FIG. 16 (a), and FIG. FIG. 18A is a side sectional view of the main board assembly 50, and FIG. 18A is a side sectional view showing a state in which the main body side engaging portion 110 and the lid side engaging portion 120 are connected with the connecting member 150 facing the locking direction. FIG. 19B is a side sectional view showing a state in which the main body side engaging portion 110 and the lid side engaging portion 120 are connected with the connecting member 150 facing the unlocking direction, and FIG. 19 is a side of the main substrate assembly 50 in the opened state. FIG. 20 is a sectional view, and FIG. Is a plan view).

  The unauthorized opening prevention mechanism 100 includes four main body side engaging portions 110, 110,... Provided connected to the case main body member 60, and four cover side engaging portions provided connected to the case cover member 70. , And four connection members 150, 150,... That connect the main body side engaging portion 110 and the lid side engaging portion 120, respectively, and the case cover member 70 is connected to the case main body member 60. The main body side engaging portion 110 and the lid side engaging portion 120 are configured to be connectable when closed.

  The main body side engaging portion 110 includes a main body side accommodating portion 111 provided integrally with the case main body member 60 and a main body side engaging assisting member 130 fixed to the main body side accommodating portion 111. As shown in FIG. 9, the main body side accommodating portion 111 has a rectangular parallelepiped box shape having an opening (above FIG. 9) in the other end side wall portion (between the locking arms 64 and 64) of the case main body member 60. It is integrally formed with the case body member 60 (using a transparent resin material). In addition, a main body side receiving space HS <b> 1 capable of storing the main body side engagement assisting member 130 is formed inside the main body side receiving portion 111. Body-side mounting guide grooves 112, 112 are formed in a concave shape on two opposing surfaces that form a short side of a rectangular cross section on the inner surface side of the body-side housing portion 111, and the body of the body-side engagement assisting member 130. The side mounting guide portions 131 and 131 are engaged with each other.

  Main body side connecting guide ribs 113, 113 are formed to protrude from two opposite sides of the long side of the rectangular cross section at the edge of the main body side accommodating portion 111, and the lid side rib of the lid side engaging portion 120. The engaging portions 124 and 124 are engaged with each other. Body-side rib engaging portions 114, 114 are formed on two opposing sides that form a short side of the rectangular cross section at the edge of the body-side accommodating portion 111, and the lid-side coupling of the lid-side engaging portion 120 is performed. The guide ribs 123 and 123 are engaged with each other.

  The lid-side engagement portion 120 includes a lid-side accommodation portion 121 that is integrally formed with the case lid member 70 and a lid-side engagement assisting member 140 that is fixed to the lid-side accommodation portion 121. As shown in FIG. 10, the lid-side accommodating portion 121 is formed in a rectangular parallelepiped box shape having an opening (above FIG. 10) in the other end side wall portion (between the locking projections 74, 74) of the case lid member 70. It is formed integrally with the case lid member 70, and is configured to be opposed to and overlap with the main body side housing portion 111 when the case lid member 70 is closed with respect to the case main body member 60. In addition, a lid side accommodation space HS <b> 2 that can accommodate the lid side engagement assisting member 140 is formed inside the lid side accommodation portion 121. Lid-side mounting guide grooves 122 and 122 are formed in concave shapes on the two opposing surfaces that form the long side of the rectangular cross section on the inner surface side of the lid-side accommodating portion 121. The side mounting guide portions 141 and 141 are engaged with each other.

  Lid-side connecting guide ribs 123 and 123 are formed on two opposite sides of the edge of the lid-side housing 121 that form a short side of the rectangular cross section, and the lid-side housing 121 is the main body-side housing. When it is opposed to and overlaps 111, it engages with the main body side rib engaging portions 114, 114 of the main body side accommodating portion 111. On the two opposite sides that form the long side of the rectangular cross section at the edge of the lid side accommodating part 121, lid side rib engaging parts 124, 124 are formed in a concave shape, and the lid side accommodating part 121 is on the main body side. When it overlaps facing the accommodating part 111, it engages with the main body side connection guide ribs 113, 113 of the main body side accommodating part 111, respectively.

  Thereby, when the lid side accommodating part 121 overlaps with the main body side accommodating part 111, the main body side coupling guide ribs 113, 113 and the lid side rib engaging parts 124, 124 engage with each other, and the lid side coupling Since the guide ribs 123 and 123 and the main body side rib engaging portions 114 and 114 are engaged with each other, the lid side accommodating portion 121 (the lid side engaging portion 120) with respect to the main body side accommodating portion 111 (the main body side engaging portion 110). Positioning can be performed more reliably.

  A connecting portion 125 (see FIG. 12) between the lid-side engaging portion 120 (lid-side accommodating portion 121) and the case lid member 70 is configured to be cuttable. The connecting portion 125 is cut to cover-side engagement. The portion 120 (the lid-side accommodating portion 121) and the case lid member 70 can be separated. As described above, a transparent resin material is used as the material of the main substrate case 55 (the case main body member 60 and the case lid member 70). Among them, it is preferable to use an ABS resin. Thereby, when the cutting operation is performed on the member as described above, the butadiene, which is a component of the ABS resin, has a rubber property, and the member is easily whitened without being cracked. An effect is obtained. Further, even if the main board case 55 is forcibly opened, there is an effect that the member is similarly whitened and the trace is easily left clearly.

  As shown in FIG. 9, the body side engagement assisting member 130 has a rectangular parallelepiped box shape having an opening (upward in FIG. 9), and is made of a colored translucent resin material such as ABS resin or polycarbonate (PC). And formed integrally by molding means such as injection molding, and configured to be housed in the body-side housing space HS1 of the body-side housing portion 111. In addition, a main body side engagement space CS <b> 1 that can accommodate half of the connection member 150 is formed inside the main body side engagement assisting member 130.

  Body-side mounting guide portions 131 and 131 are formed in convex shapes on the two opposing surfaces that form the short side of the rectangular cross section on the outer surface side of the body-side engagement assisting member 130. The main body side mounting guide grooves 112 and 112 are engaged with each other. Then, from the opening side of the main body side accommodating portion 111, the main body side engagement assisting member 130 is engaged with the main body side accommodating guide member 111 while engaging the main body side attaching guide portions 131, 131 with the main body side attaching guide grooves 112, 112. By inserting the main body side engagement assisting member 130 into the main body side accommodating portion 111 in this state and inserting the main body side engaging auxiliary member 130 into the main body side accommodating portion 111 in this state, as shown in FIG. The main body side accommodation space HS1 is fixed. Note that the means for fixing the main body side engagement assisting member 130 to the main body side accommodating portion 111 is not limited to welding, and for example, an adhesive or the like may be used.

  At this time, the main assembly side engagement assisting member 130 is fixedly installed in the main assembly side accommodation space HS1 of the main assembly side accommodation portion 111, so that the main assembly side engagement portion 110, that is, the main assembly side engagement portion 110 is incorporated in the main assembly side engagement portion 110. A joint space CS1 is formed (in place of the main body-side accommodation space HS1). Thus, since the main body side engaging portion 110 is composed of the separate main body side accommodating portion 111 and the main body side engaging auxiliary member 130, the main body side engaging portion 110 (that is, the case main body member 60). Can be more difficult to copy and can be expected to prevent fraud. Moreover, since the material of the main body side accommodating portion 111 is a transparent resin material, the material of the main body side engagement assisting member 130 is a colored translucent resin material different from that of the main body side accommodating portion 111. It can be easily determined whether or not the regular main body side engagement assisting member 130 is fixed to the portion 111, that is, whether or not the case main body member 60 is a duplicate.

  Body-side hole portions 132 and 132 are formed on two surfaces of the body-side engagement assisting member 130 that are opposed to each other by forming a short side of a rectangular cross section, and the body-side engagement protrusions 151 and 151 of the connection member 150 It is comprised so that engagement is possible. As shown in FIG. 11, in the state where the main body side engagement assisting member 130 is fixed to the main body side accommodating portion 111, the outer side of the main body side hole portion 132 is blocked by the main body side accommodating portion 111, The main body side that can be engaged with the main body side engagement protrusion 151 of the connection member 150 is formed on the engagement auxiliary member 130, that is, the two surfaces that form the short side of the rectangular cross section on the inner surface side of the main body side engagement portion 110. A recess 132a is formed.

  Body-side protrusion guide portions 133 and 133 are formed on two faces that form and face the long side of the rectangular cross section on the inner surface side of the body-side engagement assisting member 130, and the lid-side engagement protrusion of the connection member 150. 152, 152 can be accommodated.

  As shown in FIG. 10, the lid-side engagement assisting member 140 has a rectangular parallelepiped box shape having an opening (upward in FIG. 10), and is made of a colored translucent resin material such as ABS resin or polycarbonate (PC). And formed integrally by a molding means such as injection molding, and configured to be housed in the lid-side housing space HS2 of the lid-side housing portion 121. In addition, a lid side engagement space CS <b> 2 that can accommodate half of the connection member 150 is formed inside the lid side engagement assisting member 140.

  Lid-side mounting guide portions 141 and 141 are formed on the two opposing surfaces that form the long side of the rectangular cross section on the outer surface side of the lid-side engagement assisting member 140, and The lid side mounting guide grooves 122 and 122 are engaged with each other. Then, from the opening side of the lid side accommodating portion 121, the lid side engagement auxiliary member 140 is engaged with the lid side accommodating guide member 121 while the lid side attaching guide portions 141 and 141 are engaged with the lid side attaching guide grooves 122 and 122. By inserting into the accommodation space HS2 and welding the lid side engagement assisting member 140 to the lid side accommodation portion 121 in this state, as shown in FIG. The lid side accommodation space HS2 is fixed. Note that the means for fixing the engagement assisting member 140 to the lid side accommodating portion 121 is not limited to welding, and for example, an adhesive or the like may be used.

  At this time, the lid-side engagement assisting member 140 is fixedly installed in the lid-side accommodation space HS2 of the lid-side accommodation portion 121, so that the lid-side engagement member 120, that is, the lid-side engagement portion 120 is placed inside the lid-side engagement portion 120. A joint space CS2 is formed (instead of the lid-side accommodation space HS2). Thus, since the lid side engaging part 120 is composed of the separate lid side accommodating part 121 and the lid side engaging auxiliary member 140, the lid side engaging part 120 (that is, the case lid member 70). Can be more difficult to copy and can be expected to prevent fraud. Moreover, since the material of the lid side accommodation part 121 is a transparent resin material, the material of the lid side engagement assisting member 140 is a colored translucent resin material different from that of the lid side accommodation part 121. It can be easily determined whether or not the regular lid-side engagement assisting member 140 is fixed to the portion 121, that is, whether or not the case lid member 70 is a duplicate.

  In the state where the body side engagement assisting member 130 is fixed to the body side accommodating portion 111 and the lid side engagement assisting member 140 is fixed to the lid side accommodating portion 121, the body side accommodating portion 111 (ie, When the main body side engaging portion 110) and the lid side accommodating portion 121 (that is, the lid side engaging portion 120) overlap each other, the main body side engaging space CS1 and the lid side engaging space CS2 are connected. An engagement space CS in which the connection member 150 can be disposed is formed.

  Cover-side hole portions 142 and 142 are formed on two surfaces of the lid-side engagement assisting member 140 that are opposed to each other by forming the long side of the rectangular cross section, and the lid-side engagement protrusions 152 and 152 of the connection member 150 It is comprised so that engagement is possible. As shown in FIG. 12, in the state where the lid-side engagement assisting member 140 is fixed to the lid-side accommodating portion 121, the outer side of the lid-side hole 142 is blocked by the lid-side accommodating portion 121. On the two surfaces facing and forming the long side of the rectangular cross section on the inner surface side of the engagement auxiliary member 140, that is, the lid-side engagement portion 120, the lid side that can be engaged with the lid-side engagement protrusion 152 of the connection member 150 A recess 142a is formed.

  Lid-side projection guide portions 143 and 143 are formed on two opposite surfaces of the lid-side engagement assisting member 140 that form the short side of the rectangular cross section on the inner surface side. 151 and 151 can be accommodated.

  As shown in FIGS. 13 to 16, the connecting member 150 has a hollow rectangular parallelepiped shape having an opening at one end, and is integrally formed by a molding means such as injection molding using a resin material such as ABS resin or polycarbonate (PC). Molded. In addition, the connection member 150 is configured to be disposed in the engagement space CS so that one end side of the connection member 150 faces the main body side engagement portion 110 and faces the unlock direction opposite to the lock direction. .

  Main body side engaging protrusions 151 and 151 are formed on two opposing surfaces forming a short side of a rectangular cross section on one end side of the connecting member 150, and the one end side of the connecting member 150 is the main body. When positioned in the side engagement space CS1, the main body side recesses 132a and 132a are engaged, and when one end of the connection member 150 is positioned in the lid side engagement space CS2, the lid side protrusion guide portions 143 and 143 are disengaged. It is to be accommodated.

  Lid-side engaging projections 152 and 152 are formed on two opposite surfaces forming the long side of the rectangular cross section on the other end side of the connecting member 150 so as to be swingable inward and outward, as shown in FIG. When the other end side of the connection member 150 is located in the lid side engagement space CS2, the connection side 150 engages with the lid side recesses 142a and 142a, and as shown in FIG. 18, the other end side of the connection member 150 is in the main body side engagement space CS1. When it is located, it abuts on the inner surface of the main assembly side engagement assisting member 130 and is accommodated in the main assembly side projection guide portions 133 and 133 in a non-engaged state.

  A direction identification mark 153 that can identify the orientation of the connection member 150 is formed on the other end surface of the connection member 150. As shown in FIG. 13, the direction identification mark 153 is a “lock” character recessed on the other end surface of the connection member 150, and the connection member 150 is disposed in the engagement space CS facing the lock direction. In some cases, the direction identification mark 153, that is, the other end side of the connection member 150 faces the lid-side engagement portion 120. Thereby, it is possible to prevent an error in the arrangement direction (locking direction and unlocking direction) of the connection member 150 in the engagement space CS, and further, the main body side engagement portion in the locked state via the connection member 150. 110 and the lid side engaging part 120 can be recognized.

  The direction identification mark 153 (character portion) may be colored differently from the other portions, and the direction identification mark 153 (character portion) on the other end surface of the connecting member 150 may be identified in a region other than the direction identification mark 153 (character portion). You may make it color different from the surface except the mark 153 (character part) and the other end surface of the connection member 150. In this way, the discrimination power of the direction identification mark 153 can be improved.

  Further, the direction identification mark 153 is not limited to the “lock” character, and may be a character, a symbol, a picture, or the like. Further, the direction identification mark 153 may be formed on the other end surface of the connection member 150 by printing, painting, or the like, or a print seal or the like may be attached. In addition, the direction identification mark 153 is not limited to the other end surface of the connection member 150, but may be provided on one end surface or a side surface of the connection member 150 so that the direction of the connection member 150 can be identified as direction identification means.

  In the unauthorized opening prevention mechanism 100 configured as described above, in order to connect the main body side engaging portion 110 and the lid side engaging portion 120 with the case lid member 70 closed with respect to the case main body member 60, first, One of the four connection members 150, 150,... Is oriented in the locking direction, and one end side of the connection member 150 is inserted into the main body side engaging space CS1 in the main body side engaging portion 110. At this time, the main body side engagement protrusions 151 and 151 of the connection member 150 abut on the inner side of the main body side engagement assisting member 130 and swing inward, and one end of the connection member 150 is in the main body side engagement space CS1. When it reaches the bottom, it is restored and swung outward and engaged with the main body side recesses 132a and 132a of the main body side engagement assisting member 130. That is, one end side of the connection member 150 facing the lock direction is engaged with the main body side engaging portion 110 via the main body side engagement assisting member 130.

  Next, the other three connection members 150, 150, 150 are directed in the unlocking direction, and the other end side of the connection member 150 is inserted into the main body side engagement space CS 1 in the main body side engagement portion 110. At this time, the lid-side engagement protrusions 152, 152 of the connection member 150 abut on the inner surface of the body-side engagement assisting member 130 and swing inward. The protrusion guides 133 and 133 are accommodated in a non-engaged state. That is, as shown in FIG. 20, the other end side of the connecting member 150 facing the unlocking direction is accommodated and held in the main body side engaging portion 110 via the main body side engagement assisting member 130 so as to be insertable / removable. At this time, the lid-side engagement protrusions 152, 152 press the inner side surface of the main body side engagement assisting member 130 by elastic force, and the other end side of the connection member 150 is difficult to come off from the main body side engagement portion 110. Yes.

  Subsequently, the case lid member 70 is closed (swinged) with respect to the case main body member 60, and the lid side engaging portion 120 (lid side accommodating portion 121) becomes the main body side engaging portion 110 (main body side accommodating portion 111). Overlapping and facing. Then, in the connection member 150 facing the lock direction, the other end side of the connection member 150 is inserted into the lid-side engagement space CS2 in the lid-side engagement portion 120. At this time, the lid-side engagement protrusions 152, 152 of the connection member 150 abut on the inner side of the lid-side engagement assisting member 140 and swing inward, and the other end of the connection member 150 is the lid-side engagement space CS2. When it reaches the bottom of the lid, it is restored and swung outward and engages with the lid-side recesses 142a and 142a of the lid-side engagement assisting member 140. That is, the other end side of the connection member 150 facing the lock direction is engaged with the lid side engaging portion 120.

  On the other hand, in the connection member 150 facing the unlocking direction, one end side of the connection member 150 is inserted into the lid-side engagement space CS2 in the lid-side engagement portion 120. At this time, the main body side engagement protrusions 151 and 151 of the connection member 150 abut on the inner surface of the lid side engagement assisting member 140 and swing inward. In this state, the lid side of the lid side engagement assisting member 140 The protrusion guides 143 and 143 are accommodated in a non-engaged state. That is, one end side of the connecting member 150 facing the unlocking direction is accommodated in the lid side engaging portion 120 so that it can be inserted and removed.

  In this way, when the case lid member 70 is closed (swinged) with respect to the case main body member 60 and the lid side engaging portion 120 is opposed to and overlaps with the main body side engaging portion 110, FIG. As shown in a), one of the four connecting members 150, 150,... faces in the locking direction in the engaging space CS formed by connecting the main body side engaging space CS1 and the lid side engaging space CS2. As shown in FIG. 18B, the other three connection members 150, 150, 150 are arranged in the engagement space CS in the unlocking direction.

  That is, one end side of the connecting member 150 facing the lock direction is engaged with the main body side engaging portion 110 via the main body side engaging auxiliary member 130, and the other end side is connected to the lid side via the lid side engaging auxiliary member 140. By engaging with the engaging portion 120, the main body side engaging portion 110 and the lid side engaging portion 120 are coupled via the connecting member 150, and as shown in FIGS. 3 and 17, the case main body member 60 and The case lid member 70 is coupled and held in a closed state. Thereby, the main body side engaging part 110 and the lid side engaging part 120 can be easily connected, and the case main body member 60 and the case cover member 70 can be easily coupled and held in the closed state.

  If the case body member 60 and the case lid member 70 are coupled and held in a closed state by the unauthorized opening prevention mechanism 100, the connection member 150 and the body housed in the engagement space CS facing the lock direction. It is very difficult to release the engagement between the side engagement portion 110 and the lid side engagement portion 120, and when the main substrate case 55 (main substrate assembly 50) is opened, the connecting portion 125 is cut to close the lid side engagement. Since it is necessary to separate the joint portion 120 and the case lid member 70, the cutting trace remains clearly after the main board case 55 (main board assembly 50) is opened, and unauthorized opening can be detected at an early stage. Can effectively deter fraud.

  In addition, one end side of the connection member 150 is positioned in the main body side engagement space CS1, the main body side engagement protrusions 151 and 151 engage with the main body side recesses 132a and 132a, and the other end side of the connection member 150 is the lid side engagement. Since the lid-side engaging projections 152, 152 engage with the lid-side recesses 142a, 142a located in the joint space CS2, the body-side engaging portion 110 and the lid-side engaging portion 120 can be more easily connected. The case body member 60 and the case lid member 70 can be easily coupled and held in the closed state.

  Furthermore, since the connection member 150 is formed in a rectangular parallelepiped shape and does not rotate in the engagement space CS formed in accordance with the connection member 150, when the connection member 150 faces the locking direction, the connection member 150 is easily connected to the main body side. The engagement protrusions 151 and 151 can be engaged with the main body side recesses 132a and 132a, and the lid side engagement protrusions 152 and 152 can be engaged with the lid side recesses 142a and 142a, so that the connecting member 150 is unlocked. , The lid-side engagement projections 152, 152 are easily accommodated in the body-side projection guides 133, 133 (in the body-side engagement space CS1) in a non-engaged state, and the body-side engagement projections 151, 151 Can be accommodated in the lid-side protrusion guide portions 143 and 143 (in the lid-side engagement space CS2) in a non-engaged state.

  Further, since the connection member 150 can be disposed in the engagement space CS in the lock direction and the unlock direction opposite to the lock direction, the main body side engagement portion 110 and the lid side engagement portion 120 Can be selectively coupled in a locked state (in which the case lid member 70 and the case main body member 60 are coupled and held) or in an unlocked state (in which the case lid member 70 is detachable from the case main body member 60). .

  Next, in the main board assembly 50 in which the case main body member 60 and the case lid member 70 are coupled and held in the closed state as described above, the maintenance and inspection work of the main control board 51 accommodated therein and the inspection of the ROM 52 are performed. Etc. will be described with additional reference to FIGS. Here, FIG. 20 is a perspective view showing a state in which the connecting member 150 facing the locking direction is inserted into the main body side engaging portion 110, and FIG. 21 is a perspective view showing the connecting member 150 facing the unlocking direction being the main body side engaging portion. It is a perspective view which shows the state extracted from 110. FIG.

  When inspecting the ROM 52, for example, the connecting portion 125 between the lid side engaging portion 120 and the case lid member 70 connected to the main body side engaging portion 110 is cut using a tool such as a nipper. As a result, the lid-side engaging portion 120 and the case lid member 70 are separated from each other, so that the main board case 55 (main board assembly 50) can be opened as shown in FIG. The ROM 52 can be inspected. The other three connection members 150, 150, 150 are disposed in the engagement space CS so as to face the unlocking direction, and are accommodated in the main body side engagement portion 110 and the lid side engagement portion 120 so as to be insertable / removable. It is.

  At this time, the connector 46 is connected to the main control board 51 (the left connector portions 53, 53,... And the right connector portions 54, 54,...) By the left and right relief portions 72, 73 formed on the side portions of the case lid member 70. Since the case lid member 70 can be swung open with respect to the case body member 60 while being connected to the case 52, the case lid member 70 can be easily swung open and closed after the connecting portion 125 is cut. Work efficiency such as inspection can be improved. Further, since the connector 46 is not attached and detached when the case lid member 70 is opened and closed, problems such as half insertion of the connector 46 can be avoided. Further, the left and right relief portions 72 and 73 are formed to extend linearly from one end side to the other end side in the left and right side portions of the case lid member 70, and the connector relief holes are not formed in the case lid member 70. The rigidity of the case lid member 70 can be increased, and the manufacturing cost of the case lid member 70 can be reduced.

  By the way, four main body side engaging portions 110 and four lid side engaging portions 120 are provided on the other end sides of the case main body member 60 and the case lid member 70, respectively. When the case main body member 60 and the case lid member 70 are coupled and held in a closed state by connecting the engagement portion 120, any one of the main body side engagement portion 110 and the lid side engagement portion 120 is connected to the connection member 150. Connect with

  For this reason, even if the connection part 125 with the case cover member 70 of the lid side engagement part 120 connected with the main body side engagement part 110 is cut, another set can still be used. After the inspection is completed, any one set of unused main body side engaging portion 110 and lid side engaging portion 120 are connected by the connecting member 150. For this reason, in the case of the main board assembly 50 in the present embodiment, the inspection can be performed three times along the way.

  In order to connect any one set of the unused main body side engaging portion 110 and the lid side engaging portion 120 with the connecting member 150, as shown in FIG. After extracting from the main body side engaging portion 110, as shown in FIG. 21, the connecting member 150 is inverted in the locking direction, and one end side of the connecting member 150 facing the locking direction is inserted into the main body side engaging portion 110. In this state, the case lid member 70 may be attached to the case main body member 60 again.

  According to the main board assembly 50 according to the present embodiment described above, the case body member 60 and the case lid member 70 are coupled and held in the closed state by the unauthorized opening prevention mechanism 100, so that the lock direction is set in the engagement space CS. It is very difficult to release the engagement between the connecting member 150 accommodated facing the main body side engaging portion 110 and the lid side engaging portion 120, and the main board case 55 (main board assembly 50) is opened. Since it is sometimes necessary to cut the connecting portion 125 to separate the lid-side engaging portion 120 and the case lid member 70, the cut trace remains clearly after the main board case 55 (main board assembly 50) is opened, which is illegal. Can be detected early and fraud can be effectively deterred.

  Further, since the connection member 150 can be disposed in the engagement space CS in the lock direction and the unlock direction opposite to the lock direction, the main body side engagement portion 110 and the lid side engagement portion 120 Can be selectively coupled in a locked state (in which the case lid member 70 and the case main body member 60 are coupled and held) or in an unlocked state (in which the case lid member 70 is detachable from the case main body member 60). .

  When the ROM 52 is inspected, the connecting portion 125 is cut and the main substrate case 55 is opened. In this state, the ROM 52 is inspected, but the left and right reliefs formed on the side portion of the case lid member 70 are used. By virtue of the portions 72 and 73, the case lid member 70 is swung with respect to the case body member 60 while the connector 46 is connected to the main control board 51 (the left connector portions 53, 53,... And the right connector portions 54, 54,. Since it can be moved and released, work efficiency such as inspection of the ROM 52 can be improved. Further, since the connector 46 is not attached and detached when the case lid member 70 is opened and closed, problems such as half insertion of the connector 46 can be avoided. Further, the left and right relief portions 72 and 73 are formed to extend linearly from one end side to the other end side in the left and right side portions of the case lid member 70, and the connector relief holes are not formed in the case lid member 70. The rigidity of the case lid member 70 can be increased, and the manufacturing cost of the case lid member 70 can be reduced.

  Further, since the case main body member 60 and the case lid member 70 are provided with a plurality of main body side engaging portions 110 and lid side engaging portions 120, the connection portion 125 is not yet cut after the inspection of the ROM 52 is completed. The connection member 150 that has been inserted in the unlocking direction is extracted and reversed in the main body side engaging portion 110 and the lid side engaging portion 120 and inserted again in the locking direction. By connecting the joint portion 120, the case main body member 60 and the case lid member 70 can be coupled and held again in the closed state.

  Furthermore, one end side of the connecting member 150 facing the lock direction is engaged with the main body side engaging portion 110 via the main body side engaging auxiliary member 130, and the other end side is connected to the lid side via the lid side engaging auxiliary member 140. Since it engages with the engaging part 120, the main body side engaging part 110 and the lid side engaging part 120 can be easily connected, and the case main body member 60 and the case cover member 70 are easily coupled in the closed state. Can be held.

  In addition, one end side of the connection member 150 is positioned in the main body side engagement space CS1, the main body side engagement protrusions 151 and 151 engage with the main body side recesses 132a and 132a, and the other end side of the connection member 150 is the lid side engagement. Since the lid-side engaging projections 152, 152 engage with the lid-side recesses 142a, 142a located in the joint space CS2, the body-side engaging portion 110 and the lid-side engaging portion 120 can be more easily connected. The case body member 60 and the case lid member 70 can be easily coupled and held in the closed state.

  Furthermore, since the connection member 150 is formed in a rectangular parallelepiped shape and does not rotate in the engagement space CS formed in accordance with the connection member 150, when the connection member 150 faces the locking direction, the connection member 150 is easily connected to the main body side. The engagement protrusions 151 and 151 can be engaged with the main body side recesses 132a and 132a, and the lid side engagement protrusions 152 and 152 can be engaged with the lid side recesses 142a and 142a, so that the connecting member 150 is unlocked. , The lid-side engagement projections 152, 152 are easily accommodated in the body-side projection guides 133, 133 (in the body-side engagement space CS1) in a non-engaged state, and the body-side engagement projections 151, 151 Can be accommodated in the lid-side protrusion guide portions 143 and 143 (in the lid-side engagement space CS2) in a non-engaged state.

  Further, the direction identification mark 153 formed on the other end surface of the connection member 150 can prevent an error in the arrangement direction (locking direction and unlocking direction) of the connection member 150 in the engagement space CS. The main body side engaging portion 110 and the lid side engaging portion 120 in the locked state can be recognized via the connection member 150.

  Further, the main body side engaging portion 110 is composed of a separate main body side accommodating portion 111 and a main body side engaging assisting member 130, and the lid side engaging portion 120 is separate from the separate lid side accommodating portion 121 and the lid side engaging portion. Since the auxiliary member 140 is configured, it is more difficult to duplicate the main body side engaging portion 110 and the lid side engaging portion 120 (that is, the case main body member 60 and the case cover member 70), and anti-fraud can be suppressed. .

  The material of the main body side accommodating portion 111 and the lid side accommodating portion 121 is a transparent resin material, whereas the material of the main body side engaging auxiliary member 130 and the lid side engaging auxiliary member 140 is the main body side accommodating portion 111 and Since it is a colored translucent resin material different from the lid-side housing 121, the main body-side housing 111 (and the lid-side housing 121) has a regular body-side engagement assisting member 130 (and the lid-side engagement assisting member 140). Can be easily determined, that is, whether or not the case body member 60 (and the case lid member 70) is a duplicate.

  Further, by using an ABS resin as a material for the main board case 55 (the case body member 60 and the case lid member 70), when a cutting operation is performed on the connecting portion 125, butadiene which is a component of the ABS resin has a rubber property. Thus, since the member is easily whitened without being cracked, the effect of clearly leaving the cut traces is obtained. Further, even if the main board case 55 is forcibly opened, there is an effect that the member is similarly whitened and the trace is easily left clearly.

  In the above-described embodiment, the main body side engagement protrusions 151 and 151 are formed on the two opposing faces that form the short side of the rectangular cross section of the connecting member 150, and the long side of the rectangular cross section of the connecting member 150 is The lid-side engaging projections 152, 152 are formed on the two faces that are formed and opposed to each other. However, the present invention is not limited to this. The side engagement protrusions 151 and 151 may be formed, and the cover side engagement protrusions 152 and 152 may be formed on two surfaces facing each other by forming a short side of the rectangular cross section of the connection member 150. At this time, the formation positions of the main body side concave portion and the lid side concave portion, and the main body side protrusion guide portion and the lid side protrusion guide portion are also reversed.

  Further, in the above-described embodiment, the connection member 150 is formed in a rectangular parallelepiped shape having a rectangular cross section, but is not limited thereto, and may be formed in a rectangular parallelepiped shape or a cubic shape, for example. It may be formed into a cylindrical shape.

  Furthermore, in the above-described embodiment, the case main body member 60 and the case lid member 70 are provided with four sets of the main body side engaging portion 110 and the lid side engaging portion 120 (including the connection member 150 and the like). It is not limited, only one set may be provided, and a plurality of sets other than the four sets may be provided. In the above-described embodiment, only one set of the main body side engaging portion 110 and the lid side engaging portion 120 is connected at one time. However, the present invention is not limited to this, and a plurality of sets may be connected at one time. Good.

  In the above-described embodiment, the substrate case according to the present invention is used as the main substrate case 55 configured in the main substrate assembly 50. However, the present invention is not limited to this. For example, the power supply substrate assembly 40 is configured. The substrate case according to the present invention may be used as the substrate case to be processed. For example, the substrate case according to the present invention may be used as the substrate case configured in the image control substrate assembly 18.

  Furthermore, in the above-described embodiment, the main board assembly 50 including the main board case 55 and the unauthorized opening prevention mechanism 100 is provided in the pachinko machine PM. However, the present invention is not limited to this. It may be provided in a gaming machine such as a ball gaming machine. Therefore, the overall configuration of the slot machine including the substrate case (main substrate assembly) according to the present invention will be outlined with reference to FIG. Here, FIG. 23 is a front view showing a state in which the front door of the slot machine is removed.

  The slot machine 200 includes a game component device in a substantially rectangular parallelepiped cabinet case 201 including a box-shaped housing 202 having an opening on the front surface side and a front door 203 attached so as to be openable and closable. Are arranged. The front door 203 is attached to be openable and closable by an upper and lower hinge mechanism (not shown) disposed across the left side edge of the housing 202 and the front door 203, and is always a locking device provided at the right side edge. 204 is held in a state of being closed and locked to the housing 202 using 204.

  Inside the housing 202, three reels 221, 221, and 221 provided with various symbols along the outer peripheral surface of the cylinder are rotatably arranged as a game component device. Further, inside the housing 202, a reel unit 222 that rotates and stops the three reels 221, 221, and 221; a medal payout device (also called a hopper) 223 that pays out game medals; A power supply device 224 for supplying power to components such as a main board assembly 250 for comprehensively controlling the operation, a reel unit 222, a medal payout device 223, and a main control board assembly 250 is attached. Connected by a wire harness 225.

  On the other hand, a medal slot (not shown), a start lever 232, a stop button 233, etc., left and right upper speakers 234, 234, a lower speaker 235, and the like are attached to the front door 203. The main board assembly 250 on the 202 side, the power supply device 224 and the like are connected. Further, a see-through window 237 is disposed in the middle portion of the front door 203 so as to be aligned with the three reels 221, 221, and 221 so that a predetermined range of the three reels faces the front of the body. Further, a medal payout opening (not shown) is provided at the center lower portion of the front door 203 in alignment with a medal passage 238 provided in the front door 203, and a tray (not shown) is provided below the medal payout opening. The return medal returned from the medal selector 239 and the game medal paid out from the medal payout device 223 pass through the medal payout opening and are received and stored in the tray.

  In the slot machine 200 configured as described above, when the player inserts a game medal from the medal insertion slot and operates the start lever 232, the three reels 221, 221, and 221 start to rotate. The player arbitrarily selects the three reels 221, 221, and 221 that are rotating, and operates the stop button 233 in a desired order and timing to stop the three reels 221, 221, and 221.

  When all the three reels 221, 221, and 221 that have been rotated stop, the winning symbol is determined, that is, whether the winning combination is lost or not, and when the symbol combination corresponds to a predetermined winning symbol combination, A predetermined number of game medals are paid out from the medal payout device 223. At this time, sound effects are generated from the upper speakers 234 and 234 and the lower speaker 235.

  Thus, a player who plays a game in the slot machine 200 loses the inserted game medal when the displayed symbol does not correspond to a predetermined combination (when it is out of place), but the displayed symbol is displayed. When the combination corresponds to a predetermined combination (when winning), it is possible to acquire more game medals than the number inserted, and enjoy the interest of increasing the number of game medals.

  In the slot machine 200 schematically configured as described above, if the substrate case according to the present invention (for example, the main substrate case 55 in the above-described embodiment) is used as the main substrate case configured in the main substrate assembly 250, the above-described case. The same effect as the embodiment can be obtained.

It is a front view of the pachinko machine shown as an example of the game machine provided with the substrate case concerning the present invention. It is a rear view which shows the back surface side of the said pachinko machine. It is a perspective view of a main board assembly. It is a perspective view which shows the state which the case cover member opened with respect to the case main body member. It is a sectional side view of the main board assembly. It is a disassembled front view of the main board assembly. (A) is an expanded sectional side view which shows the state which the latching arm latched to the latching protrusion, (b) is an enlarged view which shows the state in which the latching arm latched to the latching protrusion. (A) is an enlarged side sectional view showing a state before the locking arm is locked to the locking protrusion, and (b) is an enlarged view showing a state before the locking arm is locked to the locking protrusion. is there. It is a disassembled perspective view of the main body side engaging part comprised in an unauthorized opening prevention mechanism. It is a disassembled perspective view of the lid side engaging part comprised in an unauthorized opening prevention mechanism. It is a top view of a main body side engaging part. It is a bottom view of a lid side engaging part. It is a perspective view of the connecting member comprised in an unauthorized opening prevention mechanism. It is the perspective view which looked at the connection member in FIG. 13 from the other side. (A) is the side view seen from the long side direction in the rectangular cross section of a connection member, (b) is a plane sectional view along arrow XV-XV in Fig.15 (a). (A) is the side view seen from the short side direction in the rectangular cross section of a connection member, (b) is a plane sectional view along arrow XVI-XVI in Fig.16 (a). It is a sectional side view of the main board assembly of a closed state. (A) is a sectional side view showing a state in which the connecting member faces the locking direction and the main body side engaging portion and the lid side engaging portion are coupled, and (b) is the main body with the connecting member facing the unlocking direction. It is a sectional side view which shows the state which the side engaging part and the lid side engaging part connected. It is a sectional side view of the main board assembly of an open state. It is an enlarged side view (sectional view) of the main board assembly in an open state. It is a perspective view which shows the state in which the connection member which faced the locking direction was inserted in the main body side engaging part. It is a perspective view which shows the state by which the connection member which faced the unlocking direction was extracted from the main body side engaging part. It is a front view which shows the state which removed the front door of the slot machine.

Explanation of symbols

L lever PA gaming area PM pachinko machine CS engagement space CS1 main body side engagement space CS2 lid side engagement space HS1 main body side accommodation space HS2 lid side accommodation space 1 outer frame 2 front frame 3a, 3b hinge member 4 locking device 5 glass Door 6 Ball tray 7a, 7b, 7c Hinge mechanism 8 Operation handle 10 Game board 18 Image control board assembly 30 Back set board 31 Ball storage tank 32 Tank rail 33 Alignment waiting path 34 Prize ball cassette 35 Prize ball discharge path 40 Power supply board assembly 45 Wire harness 46 Connector 50 Main board assembly 51 Main control board (51a board mounting hole)
52 ROM
53 Left connector portion 54 Right connector portion 55 Main board case 60 Case body member 61 Reinforcement rib 62 Board mounting portion 63 Hinge shaft 64 Locking arm 65 Inner guard rib 66 Edge contact portion 70 Case lid member 71 Hinge arm 72 Left relief portion 73 Right escape portion 74 Locking projection 75 Outer guard rib 80 Hinge mechanism 100 Unauthorized release prevention mechanism 110 Main body side engaging portion 111 Main body side accommodating portion 112 Main body side attachment guide groove 113 Main body side connecting guide rib 114 Main body side rib engaging portion 120 Lid Side engagement portion 121 Cover side accommodation portion 122 Cover side attachment guide groove 123 Cover side connection guide rib 124 Cover side rib engagement portion 125 Connection portion 130 Body side engagement assisting member 131 Body side attachment guide portion 132 Body side hole (132a Body side recess)
133 Main body side protrusion guide part 140 Lid side engagement auxiliary member 141 Lid side mounting guide part 142 Lid side hole (142a Lid side concave part)
143 Lid side protrusion guide part 150 Connection member 151 Main body side engagement protrusion 152 Lid side engagement protrusion 153 Direction identification mark 200 Slot machine 201 Cabinet case 202 Case 203 Front door 204 Locking device 221 Reel 222 Reel unit 223 Medal paying device 224 Power supply device 225 Wire harness 232 Start lever 233 Stop button 234 Upper speaker 235 Lower speaker 237 See-through window 238 Medal passage 239 Medal selector 250 Main board assembly

Claims (2)

A case body member, a case lid member attached to the case body member so as to be able to swing open and close using a hinge mechanism provided on one end side, and an unauthorized opening prevention mechanism provided on the other end side, A control board for controlling an electronic component mounted on a gaming machine is accommodated in a case formed by closing the case lid member with respect to the case body member, and the case lid member is used for the case by using the unauthorized opening prevention mechanism. In the substrate case configured to hold the closed state with respect to the main body member,
An escape portion is formed on the side portion of the case lid member to externally expose the connector connected to the control board,
The unauthorized opening prevention mechanism is provided in connection with the case body member, and the body side member is open at one end facing the case lid member when the case lid member is closed with respect to the case body member. A plurality of body side engaging portions in which a joint space is formed;
A lid-side engagement space is formed which is connected to the case lid member and has an opening at one end facing the case body member when the case lid member is closed with respect to the case body member. A plurality of lid side engaging portions formed so as to be opposed to and overlap the plurality of main body side engaging portions when the case lid member is closed with respect to the case main body member,
When the main body side engaging portion and the lid side engaging portion are opposed and overlapped, the main body side engaging space and the lid side engaging space are connected to each other and formed in an engaging space. A plurality of connecting members,
A body-side engagement protrusion that protrudes outwardly and elastically deforms inwardly on the one end side outer surface of the connecting member is formed, and protrudes outwardly and inwardly on the other end side outer surface of the connecting member. A lid-side engaging projection that is elastically deformable is formed,
A body-side recess is formed in the body-side engagement space of the body-side engagement portion, and the body-side engagement protrusion protrudes and engages when the one end side of the connection member is inserted,
A lid-side recess is formed in the lid-side engagement space of the lid-side engagement portion, and the lid-side engagement protrusion protrudes and engages when the other end side of the connection member is inserted,
The connection member includes a lock direction in which the one end side of the connection member faces the main body side engagement portion in the engagement space, and the other end side of the connection member is engaged with the main body side opposite to the lock direction. It can be arranged facing the unlocking direction facing the part,
When the connection member is disposed facing the locking direction in the engagement space formed by the body side engagement portion and the lid side engagement portion facing each other and overlapping, the connection The one end side of the member is inserted into the main body side engaging space, and the main body side engaging protrusion engages with the main body side concave portion to engage with the main body side engaging portion, and the connecting member of the connecting member The other end side is inserted into the lid side engaging space, and the lid side engaging projection engages with the lid side concave portion to engage with the lid side engaging portion. Holding the joint portion to the lid side engaging portion and holding the case lid member closed with respect to the case body member,
When the connection member is disposed facing the unlocking direction in the engagement space formed by the body-side engagement portion and the lid-side engagement portion facing each other and overlapping, The other end side of the connecting member is inserted into the main body side engaging space in a non-engaged state with the main body side engaging portion, and the one end side of the connecting member is not engaged with the lid side engaging portion. It is configured to be inserted into the lid side engagement space in a combined state,
The case cover is formed by disposing at least one of the connection members in the engagement space so as to face the locking direction, and connecting the main body side engagement portion and the lid side engagement portion by the connection member. The case main body member or the case lid member in at least one of the main body side engaging portion and the lid side engaging portion that is held in a closed state with respect to the case main body member and is connected by the connecting member By cutting the connecting portion, the case lid member can be configured to swing open with respect to the case body member while the connector is connected to the control board .
A substrate case , wherein the connection member is provided with direction identification means capable of visually identifying whether the connection member is arranged in the locking direction or the unlocking direction . The body-side engagement space and the lid-side engagement space are formed in a rectangular cross-sectional quadrangular prism shape, and the engagement space formed by connecting the body-side engagement space and the lid-side engagement space is rectangular. Formed in the shape of a quadrangular prism
The connecting member is formed in a rectangular cross-sectional quadrangular prism shape,
The main body side engagement protrusion is formed on the outer surface on the one end side on the side corresponding to one of the short side or the long side of the rectangular cross section of the connection member, and the short side or the long side of the rectangular cross section of the connection member The lid side engaging projection is formed on the other end side outer surface on the side corresponding to the other side,
The main body side recess is formed on a side corresponding to the short side or the long side of the rectangular cross section of the main body side engaging space in the main body side engaging portion,
2. The substrate according to claim 1 , wherein the lid-side recess is formed on a side corresponding to the other of the short side or the long side of the lid-side engagement space of the lid-side engagement space. Case.

Images