JP2005199005A - Locking device of game machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a locking device of a game machine preventing a fraudulent unlocking by fraudulently moving a hook part with a wire. <P>SOLUTION: A base frame body 1 provided with a mount board 2 and a support board 3 is slidably disposed with a locking rod 6, and the locking rod 6 is projectingly formed with hook parts 61 and 62 in its upper part and lower part. The mount board 2, in its intermediate portion, is fixed with a cylinder lock 7 with its locking shaft inserted inside the mount board 2 and the tip of the locking shaft is fixed with a cam plate 8 to be engaged with the locking rod 6. The mount board 2 of the base frame body 1 is vertically mounted to a front frame of the game machine and the hook parts 61 and 62 are locked to a receiving metal fitting 10 attached to a body frame side to lock the front frame. Protecting boards 31 and 32 are extended to positions corresponding to the hook parts 61 and 62 of the locking rod 6 in the support board 3 of the base frame body 1 to cover the locking projection parts 63 and 64 of the hook parts 61 and 62 from the side. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a locking device for a game machine that is attached to the inside of a front frame (front door) of a game machine such as a pachinko machine or a slot machine and locks the front frame to a main body frame (housing).

As a locking device that locks the front frame of the game machine to the main body frame, a locking rod is slidably disposed inside a base frame consisting of an L-shaped mounting plate and a supporting plate, and the upper portion of the locking rod And a cam that engages with a locking rod at the tip of the lock shaft, with a collar projecting integrally at the bottom, and a cylinder lock fixed to the middle of the mounting plate so that the lock shaft is inserted inside the mounting plate A locking device having a structure in which a plate is fixed is known from Patent Document 1 below. This type of locking device rotates a cam plate by rotating a lock shaft of a cylinder lock with a key, and slides a locking rod engaging with the cam plate up or down. It is a structure which moves the hook part protrudingly protruded in the unlocking direction, disengages the hook part from the metal fitting, and unlocks it.
Japanese Patent No. 3250008

  However, even if the locking state, that is, the state where the collar part is engaged with the receiving metal part, the engagement between the collar part and the receiving metal part can be released by moving the collar part or the locking metal part with direct force. If there is a gap in a part of the game machine, a wire etc. is inserted into the inside of the game machine and moved by applying direct force to the buttock or locking hook with the wire etc., the front frame will be illegal without using the key. There was a problem of being unlocked. In particular, the upper and lower collars of the locking hook are projected from the front frame to the main body frame side with the locking device mounted on the front frame of the game machine, so that illegally inserted wires etc. are easily caught, When a wire is hooked on the heel part, there is a problem in that the locking rod is slid to the unlocking side and unauthorized unlocking is easily performed.

  The present invention has been made to solve the above-described problem, and an object of the present invention is to provide a locking device for a game machine that can prevent unauthorized unlocking by unlocking the hook by unauthorized movement with a wire or the like. And

  In order to achieve the above object, the locking device of the present invention is provided with a locking rod slidably disposed on a base frame provided with a mounting plate and a supporting plate, and the locking rod has a hook portion on the upper and lower sides. The cylinder lock is fixed to the middle part of the mounting plate so that the lock shaft is inserted into the mounting plate, and the cam plate that engages with the locking rod is fixed to the tip of the locking shaft. In a game machine locking device, in which the mounting plate is vertically attached to the front frame of the game machine, and the hook is locked to a metal fitting attached to the main body frame side to lock the front frame. The protective plate is extended in the form corresponding to the collar part of the locking collar in the form which covers the latching convex part of a collar part from the side surface.

  Here, as in claim 2, the locking rod is slidably disposed on the outer side of the support plate of the base frame body, and the protective plate is bent on the opposite side of the locking plate to the inner side of the supporting plate. It can be biased and extended.

  According to a third aspect of the present invention, the locking rod is slidably disposed on the outer side of the support plate of the base frame body, and the locking convex portion of the locking rib is bent to the opposite side of the protective plate. can do.

  According to a fourth aspect of the present invention, when the hook is provided with a locking portion for locking the collar portion, and a recess is provided adjacent to the locking portion for the protection plate to enter when locked. Good.

  According to a fifth aspect of the present invention, the receiving bracket is provided with a guide portion for contacting the protective plate and receiving the collar portion of the locking rod toward the locking portion side of the bracket during the locking operation. it can.

  In the locking device having such a configuration, when the front frame (front door) of the game machine is closed with respect to the main body frame (housing), the upper and lower hooks of the locking hook come into contact with the receiving bracket on the main body frame side, and the locking hook is When the sliding protrusion slides over the locking portion of the catch, the locking rod returns to its original position by the urging force of the spring and is locked. In this locked state, the locking projection of the locking hook collar is covered with a protective plate on its side, so a wire is inserted through the gap between the main body frame and the front frame and the tip is hooked on the hook. Even if it tries, a wire will be caught also on a protection board with a collar part. For this reason, even if it is going to move the locking rod with a wire etc., the locking rod cannot be moved, and unauthorized unlocking can be prevented.

  Further, as in claims 2 and 3, the locking rod is slidably disposed on the outer side of the support plate of the base frame body, and the protective plate is bent on the side opposite to the hook portion of the locking rod to be inside the support plate. If it is biased and extended, or if the locking projection of the locking collar is bent to the side opposite to the protective plate, the distance between the collar and the protective plate can be effectively separated, It is possible to eliminate the problem that the metal fitting interferes with the protective plate.

  Further, as in claim 5, by providing the receiving bracket with a guide portion for contacting the protective plate and receiving the collar portion of the locking rod toward the locking portion side of the bracket during the locking operation. During operation, the collar portion can be reliably locked to the locking portion of the metal fitting.

  Embodiments of the present invention will be described below with reference to the drawings. 1 is a front view of a locking device for a pachinko machine, FIG. 2 is a left side view thereof, FIG. 3 is a right side view thereof, and FIG. 4 is a rear view thereof. Reference numeral 1 denotes a base frame constituting a frame of the locking device, wherein the mounting plate 2 and the support plate 3 are bent into a substantially L-shape in a U-shaped section and are integrally formed as a vertically long frame.

  As shown in FIG. 6, a part of the upper part of the mounting plate 2 of the base frame body 1 is cut and raised, bent to the front side, and a guide portion 21 for guiding a glass frame locking rod 5 described later is formed there. Similarly, a guide portion 22 for a glass frame locking rod is formed below the middle portion of the mounting plate 2. Further, an opening 25 for inserting a cylinder lock is formed in the lower part of the mounting plate 2 of the base frame body 1, and a flange 71 of a cylinder lock 7 to be described later is attached and fixed to the upper and lower parts of the opening 25. A mounting portion 26 is formed. Further, the guide portions 33 and 34 are formed so as to protrude to the outside of the support plate 3 of the base frame body 1 so as to slidably hold a locking rod 6 described later.

  Furthermore, it extends so that the protection plates 31 and 32 protrude from the support plate 3 to the back side at the upper and lower portions of the support plate 3 of the base frame 1, that is, the positions corresponding to the flange portions 61 and 62 of the locking rod 6. Has been. The protection plates 31 and 32 are formed in a shape that can substantially completely cover the side surfaces of the flange portions 61 and 62 of the locking rod 6. Further, the protection plates 31 and 32 are bent inwardly from the support plate 3 in a crank shape so as to be spaced apart from the flange portions 61 and 62 of the locking rod 6, and are disposed inwardly biased. ing.

  As shown in FIGS. 1 and 5, the cylinder lock 7 is a lock having a deformed cross section and having a lock shaft rotatably provided at the inner center, and has a mounting flange 71 at the base thereof. . The cylinder lock 7 is inserted from the inside of the base frame 1 forward through the opening 25 provided in the mounting plate 2, that is, the lock shaft of the cylinder lock 7 is inserted inside the base frame 1 and the key hole of the lock body is inserted. The flange 71 is fixed to the mounting portion 26 of the mounting plate 2 with a fixing screw or the like so as to protrude forward.

  A locking rod 6 for locking the front frame is slidably disposed along the support plate outside the support plate 3. On the locking rod 6, flange portions 61 and 62 are formed integrally with the upper portion and the lower portion so as to protrude toward the back side. The flange portions 61 and 62 having triangular head portions (inclined portions) have locking convex portions 63 and 64 on the distal end side of the engaging concave portion provided in the intermediate portion, and the receiving bracket 10 described later while sliding downward. It is possible to lock the engaging recess. The locking projections 63 and 64 of the collars 61 and 62 of the locking rod 6 are separated from the protective plates 31 and 32, as shown in FIG. 1 is bent slightly outside.

  Further, as shown in FIGS. 4 and 5, a long glass frame locking rod 5 is slidable vertically along the corners of the mounting plate 2 and the supporting plate 3 inside the base frame 1. In addition, glass frame hooks 51 and 52 are provided on the upper and lower parts of the glass frame locking bar 5 so as to protrude to the front side. As shown in FIGS. 4 and 6, the glass frame flange portions 51 and 52 are provided on the guide portions 21 and 22 provided on the side portions of the concave portions formed vertically in the upper portion and the middle portion of the mounting plate 2 of the base frame body 1. It is arranged along and protrudes to the front side.

  Further, as shown in FIG. 5, guide holes 53 and 54 are formed at the base portions of the glass frame flange portions 51 and 52 of the glass frame locking rod 5, and the guide pins 53 and 54 are inserted through the guide pins. 43 and 44 are fixed to the guide parts 21 and 22, and the glass frame locking rod 5 is guided to slide in the vertical direction by the guide pins 43 and 44 and the guide holes 53 and 54.

  As described above, the glass frame locking rod 5 is slidably held through the guide holes 53 and 54 and the guide pins 43 and 44 at the base portions of the glass frame flange portions 51 and 52. The glass frame locking bar 5 can be smoothly slid and locked / unlocked while maintaining a good load on the glass frame bar 51, 52 sometimes.

  Similarly, as shown in FIG. 5, guide holes 65 and 66 are formed in the base portions of the upper and lower flange portions 61 and 62 of the locking rod 6, and the guide pins 41 and 42 are formed in the guide holes 65 and 66. The locking rod 6 is inserted and fixed to the support plate 3 of the base frame body 1, and its vertical sliding is guided through the guide pins 41 and 42 and the guide holes 65 and 66. The hooks 61 and 62 and the locking hook 6 for moving the hooks 61 and 62 constitute a locking mechanism for the front frame of the game machine. In addition, since the base of the hooks 61 and 62 is also slidably held through the guide holes 65 and 66 and the guide pins 41 and 42 in the locking hook 5, the hooks 61 and 62 are locked during locking. The lock rod 6 can be smoothly slid and locked / unlocked while maintaining a good load.

  As shown in FIG. 6, an opening 25 is formed in the lower part of the mounting plate 2, and the mounting part 26 is formed so as to project to the upper and lower parts of the opening 25, and the flange 71 of the cylinder lock 7 is formed there. The lock body is fixed with a fixing screw or the like in a state where the lock body protrudes from the opening 25 to the front side, and the lock shaft is inserted into the inside of the base frame body 1. As shown in FIG. 4, a cam plate 8 having a first engagement portion 8a and a second engagement portion 8b is fixed to the lock shaft of the cylinder lock 7. When the cam plate 8 is rotated counterclockwise in FIG. 4, the first engaging portion 8a of the cam plate engages with the engaging portion 67 (FIG. 7) of the locking rod 6 so that the locking rod 6 is moved upward. Slide and move the hooks 61 and 62 upward to unlock them.

  On the other hand, when the cam plate 8 is rotated in the clockwise direction in FIG. 4, the second engaging portion 8b of the cam plate engages with the engaging portion 55 of the glass frame locking rod 5, and the glass frame locking rod 5 is engaged. The glass frame collars 51 and 52 are moved downward to unlock the glass frame by sliding downward. A coil spring 9 is hung between the locking bar 6 and the glass frame locking bar 5, and the locking bar 6 and the glass frame locking bar 5 are urged to each other in the locking direction.

  As shown in FIGS. 9 to 10, the hooks 61 and 62 of the locking rod 6 are structured to be locked to the locking portion 11 of the receiving metal fitting 10 fixed to the main body frame side. A recessed portion 12 is formed in the locking portion 11 of the receiving metal fitting 10 to be fixed, and protective plates 31 and 32 enter the recessed portion to avoid interference between the protective plate 31 and the locking portion 11. Moreover, since the space | interval of the protection plates 31 and 32 and the collar parts 61 and 62 is separated (opened), interference with the protection plate 31 and the latching | locking part 11 at the time of locking can be avoided.

  As shown in FIGS. 12 to 14, the locking device configured as described above exposes the front end of the cylinder lock 7 on the inner side of the front frame 30 in the pachinko machine and the flanges 61 and 62 on the main body frame 20. It is vertically mounted using the mounting plate 2 in a state directed to the side. On the other hand, the receiving brackets 10 and 10 are fixed to the vertical positions corresponding to the flange portions 61 and 62 inside the main body frame 20.

  On the other hand, the glass frame 40 is attached to the front surface of the front frame 30 so as to be openable and closable, and the upper and lower glass frame hooks 51 and 52 of the glass frame locking bar 5 engage with the glass frame 40. 13 and 13 are provided, and when the glass frame 40 is closed, the glass frame collar portions 51 and 52 are locked to the glass frame locking portions 13 and 13 to be locked.

  In this locking device, when the front frame 30 of the pachinko machine is closed with respect to the main body frame 20, as shown in FIG. 12, the hooks 61 and 62 of the locking device are attached to the locking portions 11 of the receiving metal fitting 10 on the main body frame 20 side. Then, it slides upward, the locking projections 63 and 64 get over the locking portion 11, and are locked back by the urging force of the coil spring 9 to be locked. At this time, as shown in FIGS. 10 and 11, the protection plates 31 and 32 enter the recess 12 of the receiving metal fitting 10, and the locking protrusions 63 and 64 of the flange parts 61 and 62 are the locking parts of the receiving metal fitting 10. 11 and 11 are securely locked, and the protection plates 31 and 32 do not interfere with the receiving metal fitting 10.

  And in the locked state of the front frame 30, since the protective plates 31 and 32 are arrange | positioned so that the side surface may be covered, a wire etc. from the clearance gap between the main body frame 20 and the front frame 30 for the purpose of unauthorized unlocking Is inserted, and it is hooked on the hooks 61 and 62 to be slid in the unlocking direction, the wire is caught on the protective plates 31 and 32 and the hooks 61 and 62 and the locking hook 6 are slid. Unauthorized unlocking can be prevented.

  When unlocking the front frame 30 with a key, the lock shaft of the cylinder lock 7 is turned with a predetermined key, and the cam plate 8 is rotated counterclockwise in FIG. Then, it engages with the engaging portion 67 of the locking rod 6 and slides it upward as shown in FIG. 13 and slides the upper and lower flange portions 61 and 62 upward. By the movement of the flange portions 61 and 62, the engagement with the metal fittings 10 and 10 on the main body frame 20 side is released, and the front frame 30 is unlocked and becomes openable.

  When unlocking the glass frame 40, the second engagement portion 8b of the cam plate 8 is used for the glass frame by rotating the key of the cylinder lock 7 in the reverse direction and rotating the cam plate 8 clockwise in FIG. Engage with the engaging portion 55 of the locking rod 5 and slide it downward, slide the glass frame flange portions 51 and 52 downward, and engage with the glass frame locking portions 13 and 13 of the glass frame 40. Release the lock and unlock the glass frame.

  Thus, the front frame 30 can be locked and unlocked with respect to the main body frame 20 well, and the glass frame 40 can be locked and unlocked with respect to the front frame 30 well. Unauthorized unlocking with a wire or the like can be prevented.

  FIGS. 15-19 shows other embodiment about a receiving metal fitting, In this example, the guide part 73 for guiding a collar part is provided in the receiving metal fitting 70 attached to the main body frame side. Since the locking device main body is the same as that of the above embodiment, the same reference numerals are given to the drawings, and the description thereof is omitted.

  As shown in FIG. 15, the receiving metal fitting 70 is formed by bending a plate-like metal, and a locking portion 71 is bent at a right angle from a main body portion provided with an attachment hole, and the main body of the locking portion 71 is formed. A recess 72 for passing the protection plates 31 and 32 is formed near the portion. A stopper 74 is formed at the tip of the locking portion 71 by bending the tip. The stopper 74 prevents the hooks 61 and 62 from coming outside when the hooks 61 and 62 are locked to the locking part 71 during locking.

  Further, a guide portion 73 is formed on the upper portion of the metal fitting 70 so that the upper portion of the main body portion is bent forward at a right angle. The guide portion 73 is formed by providing an inclined portion at the tip edge portion. When the protective plates 31 and 32 enter the recess 72 during locking, the guide portion 73 is brought into contact with the inclined portion so that the inclined portion 61 contacts the inclined portion. , 62 are pushed toward the locking portion 71 side. In addition, a bent portion 65 is formed in the inclined portion above the locking convex portions 63 and 64 of the flange portions 61 and 62, and when the flange portions 61 and 62 come into contact with the locking portion 71 of the receiving metal during locking, The collar parts 61 and 62 are made to slide well.

  The receiving metal fitting 70 configured in this manner is fixed to the upper and lower positions corresponding to the flanges 61 and 62 inside the main body frame 20 of the pachinko machine, as described above. Similarly to the above, the locking device main body is attached vertically inside the front frame 30 of the pachinko machine with the flange portions 61 and 62 facing the main body frame side.

  When the front frame 30 is closed with respect to the main body frame 20, the hooks 61 and 62 of the locking device are slid upwards against the locking portion 71 of the receiving metal fitting 70 on the main body frame 20 side, and the locking convex portions 63 and 64. Gets over the locking portion 71 and is locked back by the urging force of the coil spring 9 to be locked. At this time, as shown in FIGS. 17 and 18, the protective plates 31 and 32 enter the concave portion 72 of the receiving metal fitting 70 and enter the contact portion 70 while being in contact with the inclined portion of the guide portion 73. It acts so as to push it toward the locking portion 71 of the receiving metal fitting 70. Thereby, the locking projections 63 and 64 of the flange portions 61 and 62 are securely locked to the locking portion 71 of the receiving metal fitting 70. Moreover, since the stopper 74 is provided in the side part of the latching | locking part 71 of the metal fitting 70, the latching convex parts 63 and 64 of the collar parts 61 and 62 are regulated by the stopper 74, and do not come outside, Locking is done well and reliably.

  In the above embodiment, the case where the present invention is applied to a pachinko machine has been described. However, the present invention can also be applied to a slot machine. In the case of a slot machine, a thick decorative panel is attached to the front frame. A long cylinder lock may be used. Further, in the case of a slot machine, there is no glass frame and the glass frame locking rod 5 is not necessary. In this case, an operating rod such as a reset switch may be attached instead of the glass frame locking rod 5. Moreover, in the said embodiment, although the protection plates 31 and 32 were biased inside, a protection plate stood | started up from a support plate as it was, and the collar parts 61 and 62 of the locking rod 6 were outside (on the opposite side to a protection plate). It is possible to avoid the interference between the locking portion 11 of the receiving metal fitting 10 and the protective plate at the time of locking by bending and biasing so that the distance between the protective plate and the collar portion of the locking rod is increased.

  As described above, according to the locking device of the game machine of the present invention, in the locked state of the front frame, the locking projection of the locking hook collar is covered with a protective plate on its side surface. Even if you insert a wire etc. from the gap between the frame and the front frame, etc. The locking rod cannot be moved, and unauthorized unlocking can be prevented.

It is a front view of the locking device which shows one Embodiment of this invention. It is the left view. It is the right view. FIG. It is a disassembled side view of a locking device. It is the side view (a) and back view (b) of the base frame 1. They are a side view (a) and a rear view (b) of the locking rod 6. It is the side view (a) and back view (b) of the glass frame locking rod 5. 3 is a side view of the receiving metal fitting 10. FIG. FIG. 6 is a rear view of a state in which a flange portion 61 is locked to the receiving metal fitting 10. FIG. 6 is a perspective view of a state in which a flange portion 61 is locked to the receiving metal fitting 10. It is a right view at the time of locking which shows the usage condition of a locking device. It is a left view at the time of unlocking a front frame. It is a left view at the time of unlocking of a glass frame. It is a perspective view of the metal fitting 70 which shows other embodiment. It is a perspective view at the time of opening of the receiving metal fitting 70 and the collar part 62. It is a side view for operation | movement explanation at the time of locking of the same receiving metal fitting 70 and the collar part 62. FIG. It is sectional drawing of the plane direction for operation | movement description at the time of locking of the same metal fitting 70 and the collar part 62. FIG. It is a perspective view at the time of locking of the same receiving metal fitting 70 and the collar part 62.

Explanation of symbols

1-base frame 2-mounting plate 3-support plate 5-glass frame locking rod 6-locking rod 7-cylinder lock 8-cam plate 21,22-guide portion 31,32-protection plate 61, 62-ridge portion 63 , 64-locking projection

Claims (5)

A locking rod is slidably disposed on a base frame provided with a mounting plate and a supporting plate. The locking rod is formed with protruding hooks at the top and bottom, and a cylinder lock is formed at the middle of the mounting plate. The lock shaft is fixed so as to be inserted into the inside of the mounting plate, and a cam plate that engages with a locking rod is fixed to the tip of the lock shaft, and the mounting plate of the base frame body is vertically attached to the front frame of the game machine. In the locking device of the game machine that locks the front frame by locking the collar to a metal fitting attached to the main body frame side,
A locking mechanism for a game machine, wherein a protective plate extends from a side face of the locking projection of the hook at a position corresponding to the hook of the locking hook on the support plate of the base frame. apparatus.   The locking rod is slidably disposed on the outer side of the support plate of the base frame body, and the protective plate is bent to the side opposite to the hook portion of the locking rod and is biased and extended to the inner side of the support plate. The game machine locking device according to claim 1, which is provided.   The locking hook is slidably disposed on the outer side of the support plate of the base frame body, and the locking projection of the locking hook is bent to the opposite side of the protective plate. A locking device for a game machine according to 1.   The game according to claim 1, wherein the catch is provided with a locking portion for locking the collar portion, and a recess is provided adjacent to the locking portion for the protection plate to enter when locked. Machine locking device.   5. The game machine locking according to claim 4, wherein the receiving bracket is provided with a guide portion for contacting the protective plate and guiding the locking ridge portion to the locking portion side of the bracket during locking operation. apparatus.

Images