JP2008093223A - Removal prevention locking device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To prevent the removal of a plug from a circuit board and, even if the plug is removed, leave its trace. <P>SOLUTION: When a hook 72 is pushingly operated, the plug retained to one end of a cable 75 may be removed from a receptacle disposed on the circuit board. After the plug is inserted in a plug case 80 consisting of a lower cover 81 and an upper cover 82, the plug case 80 is closed. The plug installed with the plug case 80 is inserted into the receptacle. Fastening parts 87 and 91 are fastened with a fastening pin to seal the plug case 80. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a removal prevention lock device that prevents removal of a plug connected to a circuit board provided in a gaming machine such as a pachinko machine.

  Pachinko machines and slot machines (commonly known as “pachislot machines”) are examples of gaming machines that are installed and used in game halls such as pachinko parlors. These gaming machines are played using pachinko balls or medals as game media. Since a certain value is added to the game media, the player plays a game for the purpose of acquiring more game media. In gaming, a large amount of game media can be obtained when winning a bonus combination such as a big bonus (BB) or a regular bonus (RB).

  By the way, it is said that the daily sales of the amusement hall are greatly influenced by whether or not a large number of customers can be gathered since the opening of the day. Therefore, in some amusement halls, the store clerk operates the gaming machine after closing the previous day to establish a bonus combination, and after the opening of a plurality of gaming machines, the player is expected to win the bonus combination. Yes. The bonus combination is created by a store clerk playing a game or using a driving machine. The driving machine is a device that is used by connecting to the circuit board of the gaming machine. When the driving machine is connected to the circuit board, the gaming machine automatically repeats the game and creates a state in which a bonus combination is established. However, these acts that create a state in which a bonus role is established regardless of the customer are criminal acts that violate the laws on customs business etc. and the law on the optimization of business (hereinafter referred to as “the law of the law”). is there.

Since such criminal acts are unending, as a countermeasure, illegal countermeasures such as a structure in which traces remain when circuit boards are modified in the revised Wind Law Enforcement Rules enforced in 2004 Mandated by machine manufacturers. With this as an opportunity, there has been proposed a removal prevention lock device that prevents the action of removing the plug connected to the circuit board on the premise of connection to a circuit board such as a driving machine (for example, Patent Document 1). , 2). These removal prevention lock devices are configured to fix the plug to the circuit board so as not to be removed, and a trace remains when the plug is removed.
JP 2006-130229 A JP 2006-181031 A

  In general, just because one fraud countermeasure means has been proposed, fraud can not be completely prevented, and the number of frauds that have gone through the fraud countermeasure means increases over time. The same thing can be said for the anti-detachment locking device, and it is desired that various shapes are proposed in addition to the above-mentioned document.

  The present invention has been made to solve the above-mentioned problems, and prevents the plug from being removed from the circuit board, and can be removed even if the plug is removed. An object is to provide a prevention lock device.

  In order to achieve the above-described object, the removal prevention lock device of the present invention has a locking member that locks to a locked portion provided in the receptacle when inserted into the receptacle provided in the circuit board. An anti-detachment locking device that prevents the plug from being removed from the receptacle, and an insertion opening for inserting the plug, and a terminal side opening for exposing the terminal of the plug inserted into the insertion opening. A cylindrical main body member formed with a hinge member, and a hinge position attached to the main body member, and is rotatable between a closed position that covers the locking member of the inserted plug and an open position that exposes the locking member. A lid case having a notch for inserting a cable extending from the plug in the closed position, and the lid member is fastened to the body member and fixed in the closed position, and sealed in the plug case. do Characterized by comprising a sintered member.

  A lid-side fastening portion having a lid-side fastening hole is formed at the free end of the lid member via a severable connecting portion, and the body member has a lid when the lid member is in the closed position. The body side fastening hole that forms the side fastening hole and the communication hole is formed, and when the fastening member is inserted into the communication hole, the lid member and the body member are in a fastening state, and the lid member is divided at the connecting portion. It is preferable that a fastening state is cancelled | released.

  The main body member is preferably fixed to the circuit board or the receptacle with a fixing member.

  Since the locking device according to the present invention includes the plug case that covers the locking member, the locking member is not exposed and cannot be operated unless the plug case is broken, so that a trace remains. Therefore, the plug is not pulled out, and illegal acts using a driving machine or the like can be prevented.

  In addition, since the lid member constituting the plug case is formed with a dividing portion that allows the plug to be removed by dividing, the dividing portion can be opened to operate the locking member. Therefore, even if the plug is removed and an illegal act using a driving machine or the like is performed, the trace can be left.

  Furthermore, since the main body member is fixed to the circuit board or the receptacle with the fixing member, the plug is not pulled out of the receptacle even if the plug is pulled forcibly.

  As shown in FIG. 1, the slot machine 2 includes a first reel 10 and a second reel, which will be described later, inside a housing 3 including a storage box 4 and a front door 5 provided on the front surface of the storage box 4. 11, the third reel 12, a power supply device 35 (see FIG. 2), a hopper device 36 (see FIG. 2), and the like.

  The front door 5 is composed of two doors, an upper door 6 and a lower door 7. The upper door 6 is provided with a display window 8. A first reel 10, a second reel 11, and a third reel 12 are disposed in the back of the display window 8. As is well known, on the outer peripheral surfaces of the first reel 10, the second reel 11, and the third reel 12, for example, a plurality of types of symbols are arranged in a plurality. When the first reel 10, the second reel 11, and the third reel 12 are stopped, three symbols for the first reel 10, the second reel 11, and the third reel 12, that is, a total of nine symbols, are displayed from the display window 8. The

  Various operation buttons such as a single bet button 20, a MAX bet button 21, and a payout button 22 that are operated at the start of the game are provided on the upper portion of the lower door 7.

  The single bet button 20 is a button that is pressed when a game is played using one inserted medal. The MAX bet button 21 is a button that is pressed when a game is played using a maximum number of used medals (for example, three). Note that the insertion of medals includes pressing a single bet button 20 or a MAX bet button 21 when there is a credited medal in addition to directly inserting a medal from the medal insertion slot 28.

  In the vicinity thereof, a start lever 23, a first stop button 25, a second stop button 26, and a third stop button 27 are provided. The start lever 23 is operated when a game is executed. The first stop button 25 is a button that is pressed when stopping the rotating first reel 10. Similarly, the second stop button 26 and the third stop button 27 are buttons that are pressed when the rotating second reel 11 and the third reel 12 are stopped.

  The lower door 7 is provided with a medal slot 28 for inserting medals when playing a game. A selector is incorporated in the back of the medal insertion slot 28, and inappropriate medals are discharged to the medal tray 30 through the medal payout opening 29. In addition, when the medal is inserted at an improper timing such as when the selector is inserted in the middle of a game or in a state where various operation buttons are pressed, the selector receives the inserted medal as the medal tray 30. To discharge. In addition, since the number of medals to be inserted prior to the start of the game is limited to 1 to 3, medals inserted after the fourth one are discharged to the medal tray 30 when the credit function is not used.

  On the other hand, when the credit function is on, medals inserted in the fourth and subsequent sheets are detected by a medal sensor (not shown) provided in the selector, and then, for example, up to 50 sheets are placed inside the slot machine 2. Stored. When this credit function is used, a medal insertion operation is performed by operating the one-bet button 20 or the MAX bet button 21 described above, and the bet number is sequentially subtracted from the credit number. Further, when a winning is obtained as a result of the game, a medal that becomes a payout is also credited, and a medal credited when the payout button 22 is operated is paid out to the medal tray 30.

  As shown in FIG. 2, inside the storage box 4 constituting the housing 3, a power unit 35, a hopper device 36, a reel unit 37 having a first reel 10, a second reel 11, a third reel 12, etc. Is assembled. In FIG. 2, a plurality of symbols arranged on the outer periphery of the first reel 10, the second reel 11, and the third reel 12 are omitted in order to prevent the drawing from being complicated. The power supply device 35 is for supplying power to the slot machine 2.

  The hopper device 36 is provided in the lower part of the storage box 4. The hopper device 36 operates when a game is obtained in the slot machine 2 and a winning is obtained, and medals for the winning are continuously paid out to the medal tray 30. A storage tank 38 for storing medals for payout is provided at the top of the hopper device 36. In the storage tank 38, medals inserted from the medal insertion slot 28 are stored. The overflow storage box 39 stores medals discharged from the storage tank 38 when the amount of medals stored in the storage tank 38 of the hopper device 36 exceeds a predetermined amount.

  A circuit board storage case 41 is disposed in the upper portion of the storage box 4. As shown in FIG. 3, the circuit board storage case 41 includes an upper case 42 and a lower case 43, each of which is formed of a transparent synthetic resin, in which a game control circuit board 44 is stored.

  The upper case 42 has a substantially flat box shape with a bottom opening, and has a step with different height on the top surface. On the step surface 42 a of the upper case 42, there is an opening 45 for projecting the receptacle 65 assembled on the upper surface of the game control circuit board 44 stored inside the circuit board storage case 41 to the outside of the circuit board storage case 41. For example, three locations are provided along the longitudinal direction of the step surface 42a.

  The lower case 43 has a box shape with an upper surface opened. Substrate support portions 53 are provided at three locations on the bottom surface 43 a of the lower case 43. The board support portion 53 supports the game control circuit board 44 from the lower surface when the plug 70 (see FIG. 4) is inserted into the receptacle 65 provided on the game control circuit board 44, so that the game control circuit board 44 is supported. This prevents the game control circuit board 44 from being damaged due to bending downward.

  The game control circuit board 44 is configured by assembling circuit components such as a CPU (Central Processing Unit) 61, a ROM (Read Only Memory) 62, and a RAM (Random Access Memory) 63 on a board 60 provided with a circuit pattern. It has a formed control circuit. In addition to this, a receptacle 65 for holding a substrate terminal for electrical connection with other control circuit boards and other devices constituting the slot machine 2 such as the power supply device 35 is disposed. When the game control circuit board 44 is stored in the circuit board storage case 41, the receptacle 65 protrudes to the outside from the opening 45 provided in the upper case 42. As shown in FIG. 4, for example, a plug 70 held at one end of a cable 75 is inserted into the receptacle 65 and connected thereto. On the outer surface of the receptacle 65, there is provided a locking projection 65a for locking the locking portion 72a of the hook 72 of the plug 70 when the plug 70 is inserted.

  The plug 70 includes a plug main body 71 that holds one end of the cable 75, a hook 72 that is integrally formed on a side surface of the plug main body 71, and a connection terminal (not shown) provided on the bottom surface of the plug main body 71. Is done. A hook (locking member) 72 faces the plug main body 71 and locks a locking portion 72a that locks with a locking projection 65a provided on the receptacle 65, and locks the locking portion 72a to the locking projection 65a. An operation unit 72b that is pressed toward the plug main body 71 when releasing, and a support unit 72c that connects the hook 72 and the plug main body 71 and supports the hook 72 when the operation unit 72b is operated. .

  If the plug 70 is inserted into the receptacle 65 as it is, the hook 72 is bent by the locking portion 72a of the hook 72 riding on the locking projection 65a provided on the side surface of the receptacle 65. Thereafter, when the insertion of the plug 70 into the receptacle 65 is completed, the hook 72 returns to the original state, and the locking projection 65a is positioned on the movement locus of the locking portion 72a when the plug 70 is removed. Thus, the locking portion 72a is locked to the locking protrusion 65a. If the operation portion 72b is pressed toward the plug body 71, the locking portion 72a is displaced from the plug body 71 around the support portion 72c, and the plug 70 is apparently removed. At this time, the locking projection 65a is retracted from the movement locus of the locking portion 72a. Thereby, the locking of the locking portion 72a to the locking protrusion 65a is released, and the plug 70 can be removed from the receptacle 65.

  In the present invention, the plug 70 is inserted and connected to the receptacle 65 in a state where the plug case 80 is mounted so that the plug 70 is not removed from the receptacle 65 (see FIG. 9). As shown in FIGS. 5 to 8, the plug case 80 is a lower cover (main body member) having a rectangular tube shape having openings (insertion openings) 81 a and (terminal-side openings) 81 b on the upper and lower surfaces. ) 81 and an upper cover (lid member) 82 that closes the opening 81 a on the upper surface of the lower cover 81. The plug case 80 constitutes an anti-detachment lock device 99 with a fastening pin (fastening member) 94 (see FIG. 9) described later.

  The lower cover 81 has a pivot shaft 85 formed on one short side of the opening 81a for rotatably mounting the upper cover 82, and a hook 86 for locking the upper cover 82 in a closed position that closes the opening 81a. And the fastening part 87 formed in order to fix the upper cover 82 to a closed position is integrally molded. Two hooks 86 are formed on both sides of the short side opposite to the short side on which the rotation shaft 85 is formed so as to face each other. At the tip of the hook 86, a locking portion 86a that locks into a locking hole 82a formed in the upper cover 82 is formed.

  The upper cover 82 has a U-shaped cross section in which both long sides are turned 90 ° toward the lower cover 81. On one short side of the upper cover 82, a bearing 90 for pivotally mounting on the rotation shaft 85 of the lower cover 81 is integrally formed, and on the other short side, a closed position for closing the opening 81a of the lower cover 81. A fastening portion 91 for fixing to the housing is integrally formed through a connecting portion 92. Further, the upper cover 82 is formed with a notch 82b that is notched from one side surface to the upper surface. The connecting portion 92 will be described later.

  When the upper cover 82 is in the closed position where it covers the opening 81a of the lower cover 81, the locking portion 86a is locked in the locking hole 82a (see FIG. 6), as shown in FIG. When the hook 86 is pressed in a direction approaching each other, the state where the locking portion 86 a is locked in the locking hole 82 a is released, and the upper cover 82 can rotate around the rotation shaft 85.

  After the upper cover 82 is rotated around the rotation shaft 85 to open the opening 81a, the plug 70 is inserted into the opening 81a as shown in FIG. In addition, a notch 81c cut out from the opening 81a is formed on one side surface of the lower cover 81, and by inserting the plug 70 so that the hook 72 faces the notch 81c side, The hook 72 of the plug 70 can be pressed.

  After the insertion into the lower cover 81 of the plug 70 is completed, as shown in FIG. 7, the upper cover 82 is rotated around the rotation shaft 85 to close the opening 81a. When the opening 81a is closed by the upper cover 82, the cable 75 can be retracted to the notch 82b. When the upper cover 82 is rotated in a direction to close the opening 81a, the hook 86 bends as the locking portion 86a of the hook 86 rides on the side end of the locking hole 82a formed in the upper cover 82.

  Thereafter, when the insertion of the plug 70 into the lower cover 81 is completed, as shown in FIG. 8, the hook 86 returns to its original state, and the locking hole for rotating the upper cover 82 in the direction in which the opening 81a is opened. The locking portion 86a is positioned on the movement locus of the side end of 82a, and the locking portion 86a is locked in the locking hole 82a. As a result, the plug case 80 is attached to the plug 70 and the hook 72 of the plug 70 cannot be pressed. At this time, the notch 82 b of the upper cover 82 forms an opening between the lower cover 81 and the cable 75 is inserted. Further, the connection terminal (not shown) of the plug 70 is exposed from the opening 81 b of the lower cover 81.

  As shown in FIG. 9, even when the plug 70 is inserted into the receptacle 65 with the plug case 80 attached, the engaging portion 72 a (see FIG. 4) is the engaging protrusion as in the case where the plug case 80 is not attached. It will be locked to 65a. In this state, when the hooks 86 are pressed in the directions approaching each other, the state where the locking portions 86a are locked to the locking holes 82a is released, and the upper cover 82 is rotated around the rotation axis. Thus, the opening 81a is opened and the hook 72 is pressed to remove the plug 70 from the receptacle 65 (see FIGS. 6 to 8).

  In the present invention, the upper cover 82 and the lower cover 81 are fastened by the fastening pins 94 so that the plug 70 is not removed from the receptacle 65, and the opening 81a is not opened. As shown in FIG. 9, the fastening pin 94 includes a circular medal-shaped cap member 95, a hooking piece 96 protruding from the lower surface of the cap member 95, and a pressing piece 97 extending vertically from the side surface of the cap member 95. Composed. The latching piece 96 includes a prismatic shaft portion 96a and a flange portion 96b formed at the tip of the shaft portion 96a. The shaft portion 96 a is formed in a fastening hole (lid side fastening hole) 91 a (see FIGS. 10 to 12) formed in a fastening portion (lid side fastening portion) 91 of the upper cover 82 and a fastening portion 87 of the lower cover 81. It is provided to be inserted into a fastening hole (main body side fastening hole) 87a (see FIGS. 10 to 12). The collar portion 96b is composed of a pair of claws that project in a C shape from the tip of the shaft portion 96a toward the cap member 95. The flange portion 96b is formed to be slightly larger than the fastening holes 87a and 91a of the fastening portions 87 and 91. When the flange portion 96b is inserted into the fastening holes 87a and 91a, the flange portion 96b is bent by riding on the side ends of the fastening holes 87a and 91a. ing.

  10 to 12, the fastening portion 87 of the lower cover 81 is formed in a cylindrical first cylindrical portion 87b and a lower stage of the first cylindrical portion 87b, and has a smaller diameter than the first cylindrical portion 87b. It is comprised from the cylindrical 2nd cylindrical part 87c. The cylindrical portions 87b and 87c are partitioned by a fastening hole 87a that is slightly smaller in size than the flange portion 96b of the fastening pin 94.

  10 to 12, the fastening portion 91 of the upper cover 82 is formed in a cylindrical first cylindrical portion 91b and a lower stage of the first cylindrical portion 91b and has a smaller diameter than the first cylindrical portion 91b. It is comprised from the cylindrical 2nd cylindrical part 91c. The inner diameter of the first cylindrical portion 91 b is formed to be slightly larger than the cap member 95 of the coupling pin 94. The inside of the second cylindrical portion 91c forms a fastening hole 91a. Further, the second cylindrical portion 91 c is formed so that its outer diameter is slightly smaller than the inner diameter of the first cylindrical portion 87 b of the lower cover 81. When the upper cover 82 closes the opening 81a of the lower cover 81, the second cylindrical portion 91c of the upper cover 82 is fitted into the first cylindrical portion 87b of the lower cover 81, and the fastening hole 91a of the upper cover 82 and the lower cover 81 are fitted. The fastening holes 87a communicate with each other to form an insertion hole.

  When the latching piece 96 of the fastening pin 94 is inserted into the fastening hole 91a of the upper cover 82 in the state where the opening 81a of the lower cover 81 is closed as shown in FIG. 10, as shown in FIG. The collar portion 96b bends by riding on the side end of the fastening hole 91a. Further, when the latching piece 96 of the fastening pin 94 is inserted to the back, the flange portion 96b gets over the fastening hole 87a of the lower cover 81 communicating with the fastening hole 91a of the upper cover 82 as shown in FIG. Return to the state. By returning the collar portion 96b to the original state, the claw of the collar portion 96b and the fastening hole 87a of the lower cover 81 are engaged. The upper cover 82 is fixed in a state where the opening 81 a of the lower cover 81 is closed by the engagement between the claw of the flange portion 96 b and the fastening hole 87 a of the lower cover 81. That is, the hook 72 of the plug 70 is not pressed and the plug 70 is not pulled out of the receptacle 65.

  In addition, by cutting the connecting portion (cutting portion) 92 with a nipper or the like, the fastening state of the upper and lower covers 82 and 81 can be released, and the upper cover 82 can be opened to remove the plug 70 from the receptacle 65. . However, the connecting part 92 is divided and a trace remains.

  In the above embodiment, the plug 70 is connected to the receptacle 65 only by the locking portion 72 a of the hook 72 integrally formed with the plug body 71 being locked to the locking projection 65 a provided on the receptacle 65. Although the case where the state is maintained has been described as an example, the present invention is not limited to this, and the lower cover 81 of the plug case 80 may be fixed to the game control circuit board 44 in conjunction therewith. In this case, the game control circuit board 44 includes a circuit board storage case 41 for storing the game control circuit board 44 and a receptacle 65 disposed on the game control circuit board 44.

  For example, as shown in FIG. 13, the opening 81 b provided on the lower surface of the lower cover 81 of the plug case 80 is fitted to the receptacle 65, and the fixing hole 81 d formed on the lower surface of the lower cover 81 and the circuit board storage case 41 The fixing hole 42a formed in the upper case 42 is communicated. A fixing screw 100 is screwed into the communicating fixing holes 81 d and 42 a from the inside of the lower cover 81, and the lower cover 81 of the plug case 80 is fixed to the upper case 42 of the circuit board storage case 41. After the plug 70 is inserted into the receptacle 65, the upper cover 82 is rotated to close the opening 81a. Then, the upper cover 82 and the lower cover 81 are fastened with fastening pins 94 (see FIG. 9) so that the opening 81a is not opened. Since the plug case 80 is fixed to the circuit board storage case 41 with the fixing screw 100, the plug 70 is not pulled out of the receptacle 65 even if the plug 70 is pulled forcibly. Further, since the fixing screw 100 is screwed into the fixing holes 81d and 42a from the inside of the lower cover 81, the fixing screw 100 is not pulled out.

  In the above-described embodiment, the case of the plug 70 used in the slot machine 2 has been described as an example. However, the present invention is not limited to this, and can be applied to a pachinko machine, other game machines, and the like.

2 is an external perspective view of the slot machine. FIG. It is a perspective view which shows the structure inside a slot machine. It is an exploded perspective view showing the configuration of a game control circuit board incorporated in the slot machine and a storage case for storing the game control circuit board. It is an external appearance perspective view which shows the connection state of a receptacle and a plug. It is an external appearance perspective view of a plug case. It is an external appearance perspective view which shows the process which attaches a plug case to a plug. It is an external appearance perspective view which shows the process which attaches a plug case to a plug. It is an external appearance perspective view which shows the mounting state to the plug of a plug case. It is an external appearance perspective view which shows the connection state of a receptacle and the plug with which the plug case was mounted | worn. It is a cross-sectional view of the fastening part showing the process of fastening the upper cover and the lower cover. It is a cross-sectional view of the fastening part showing the process of fastening the upper cover and the lower cover. It is a cross-sectional view of the fastening part which shows the fastening state of an upper cover and a lower cover. It is a cross-sectional view showing the process of fixing the plug case to the substrate storage case.

Explanation of symbols

41 Circuit board storage case 42 Upper case 42a Fixed hole 44 Game control circuit board 60 Board 65 Receptacle 65a Locking protrusion 70 Plug 71 Plug body 72 Hook 72a Locking part 72b Operation part 72c Support part 75 Cable 80 Plug case 81 Lower cover 81a 81b Opening part 81c Notch part 81d Fixing hole 82 Upper cover 82a Locking hole 82b Notch part 85 Rotating shaft 86 Hook 86a Locking part 87 Fastening part 87a Fastening hole 97b First cylindrical part 97c Second cylindrical part 90 Bearing 91 fastening part 91a fastening hole 91b first cylindrical part 91c second cylindrical part 92 connecting part 94 fastening pin 95 cap member 96 latching piece 96a shaft part 96b collar part 97 holding piece 99 removal prevention lock device 100 fixing screw

Claims (3)

An anti-extraction lock device that prevents a plug having an engaging member engaging with an engaged portion provided on the receptacle from being pulled out of the receptacle when inserted into a receptacle provided on the circuit board. Because
A cylindrical main body member formed with an insertion opening for inserting the plug and a terminal side opening for exposing a terminal of the plug inserted into the insertion opening, and is hinged to the main body member. The inserted plug is rotatable between a closed position that covers the locking member and an open position that exposes the locking member, and a cable extending from the plug is inserted when the plug is in the closed position. A lid member having a notch portion to allow plug case,
A locking member for fastening, wherein the lid member is fastened to the main body member and fixed at the closed position, and the fastening member seals the plug case. At the free end of the lid member, a lid-side fastening portion having a lid-side fastening hole is formed through a severable connecting portion, and the body member has the lid member in the closed position. A body side fastening hole that forms a communication hole with the lid side fastening hole is formed in
The lid member and the main body member are brought into a fastened state when the fastening member is inserted into the communication hole, and the fastened state is released when the lid member is divided at the connecting portion. The locking device for preventing removal according to claim 1.   3. The removal preventing lock device according to claim 1, wherein the main body member is fixed to the circuit board or the receptacle by a fixing member.

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