JP5016257B2 - Locking device for gaming machines - Google Patents

Description

  The present invention relates to a locking device used in a gaming machine such as a pachinko machine, and more particularly to a locking device for a gaming machine that can prevent unauthorized unlocking and perform smooth locking / unlocking.

  For example, a locking device having a structure described in Patent Document 1 below is conventionally known as a locking device for a pachinko machine. This locking device has a vertical claw lock pawl for locking the front frame of the pachinko machine, and a metal frame for locking the metal frame (glass frame) on the upper and lower parts of the vertically long angle-shaped base frame, respectively. And pivotally supporting the lock claw for swinging, and connecting the upper and lower table frame lock claws into the base frame and the metal frame band plate connecting the upper and lower metal frame lock claws. Are slidably arranged.

In addition, a cylinder lock is attached to the middle part of the base frame, a cam member is attached to the tip of the lock shaft of the cylinder lock, and the cam member can be engaged with the band plate for the front frame and the band plate for the metal frame. By rotating the lock in one direction, the cam member is engaged with the cover frame band plate, the cover plate is slid to unlock the cover frame, and the cylinder lock is rotated in the other direction to move the cam member. It operates to unlock the metal frame by engaging with the metal frame strip and sliding the strip.
JP 2001-38026 A

  In this type of pachinko machine locking device, when the front frame or the metal frame is closed, the front frame lock claw or the metal frame lock claw is automatically tilted so that the main body frame side bracket or front frame When unlocked by locking to the side metal fitting, the cam member is rotated by the cylinder lock, and the table frame strip or the metal frame strip is slid. To do. Therefore, in the locked state, if you insert a wire through the gap in the table frame and move the table frame strip or the metal frame strip illegally, the table frame lock claw or the metal frame lock claw will tilt. Therefore, there was a problem that unauthorized unlocking was possible.

  For this reason, in the locking device of Patent Document 1, a lock member that locks the movement of the front frame strip and the metal frame strip in the locked state and a lock release member that releases the lock are attached. However, the lock member and the unlocking member are pivotally supported by the metal frame strip, and swing when the front frame and the metal frame are opened and closed to lock the front frame strip. The table frame band plate and the metal frame band plate may not move smoothly when unlocked with a key, and a member such as a lock member, a lock release member, and a coil spring that biases them is required. There was a problem that the number of points increased and the number of assembling steps during production also increased.

  The present invention solves the above-mentioned problems, and provides a locking device for a gaming machine that can prevent unauthorized unlocking and can perform smooth locking / unlocking with a simple structure with a small number of parts. For the purpose.

A locking device for a gaming machine according to the present invention has a pair of front frame locking claws protruding on the back side and tiltable on the support plate of a vertically long base frame having a mounting plate and a support plate bent at right angles to each other. The connection band plate is connected to the pair of front frame lock claws by a connection shaft, and the connection band plate is slidably arranged in the base frame along the support plate. is set, mounted on said mounting plate cylinder lock protrudes on the front side by inserting the lock shaft inside the base frame, the cam member is fixed to the tablet shaft, the connecting strip and engageable with said cam member The base frame is vertically attached to the inside of the table frame of the gaming machine, and the table frame locking claw is locked to the receiving metal fitting fixed to the inside of the main body frame of the gaming machine. In the locking device for a gaming machine to be locked, the connection band plate is provided with an engagement hole into which the engagement protrusion of the cam member enters and fits. Engaging convex portion of the cam member in the state holds the state of being fitted into the engaging hole of the connecting strip, in the locked state without the key is inserted into the cylinder lock, lock axis of the cylinder lock is by not rotate, is prevented slid to the unlocking side of the connecting strip is Suridogakaritome member slidably disposed vertically in receiving only fitting, said the sliding Dogakaritome member A locking portion for locking the front frame locking claw is provided, a spring member for biasing in the locking direction is mounted , an engaging portion is provided on the sliding locking member, and the base frame is provided with a stopper. And a spring member for urging the stopper at the locking position of the sliding locking member, and when the front frame is closed, the front frame locking claw is sliding Dogakaritome sliding Dogakaritome member hitting the engaging portion of the member is locked to slide, in the locked state, the stopper engaging portion of the sliding Dogakaritome member Engage, characterized in that to prevent the sliding of the unlocking direction of the sliding Dogakaritome member.

Here, the edge of the support plate of the base frame, a cover wall that covers the stopper and the spring member is provided, incorrect instrument, such as a wire can be hard to reach the stopper and the spring member.

  In the gaming machine locking device configured as described above, when the front frame is closed with respect to the main body frame of the gaming machine, the leading inclined portion of the front frame locking claw that protrudes from the base frame to the back side of the front frame is a receiving bracket on the main body frame side. When the sliding locking member slides against the urging force of the spring member and reaches the locking position of the front frame locking claw, the sliding locking is performed by the spring member. The member returns to the original position, and the front frame lock claw is locked to the locking portion of the sliding locking member, and is locked. When locking when closing the front frame, when the engagement protrusion of the cam member is engaged with the engagement hole of the connecting band plate and the key is not inserted into the cylinder lock, the lock of the cylinder lock The shaft does not rotate. However, the connecting band plate and the front frame locking claw do not move, and the sliding engagement member of the receiving metal slides and is locked.

  In such a locked state, the engagement protrusion of the cam member maintains the state of being fitted into the engagement hole of the connection band plate, and prevents the connection band plate from sliding to the unlocking side. Even if an unauthorized tool such as a wire is inserted through the gap in the machine's front frame and the connection band plate is moved to tilt the front frame lock claw, the connection band plate will not slide, Unauthorized unlocking can be prevented with a very simple configuration without attaching a lock release member. In addition, the front frame lock claw can be easily unlocked with the cylinder lock and cam member removed, so when handling a used gaming machine after the cylinder lock and cam member are removed, It can be handled easily.

  Here, it is conceivable to perform unauthorized unlocking by illegally sliding the sliding engagement member of the receiving bracket with an unauthorized instrument. However, the sliding engagement of the pair of receiving brackets corresponding to the upper and lower pair of table frame locking claws is possible. Since it is necessary to slide the locking member at the same time, it is extremely difficult to perform the unauthorized unlocking by moving the sliding locking member of the bracket.

Also, the stopper is pivotably supported on the base frame, and in the locked state, the stopper engages with the engaging portion of the sliding locking member to prevent the sliding locking member from sliding in the unlocking direction. For this reason , it is possible to prevent unauthorized unlocking by inserting an unauthorized instrument such as a wire and moving the sliding locking member of the metal fitting.

  On the other hand, in order to unlock, when the key is inserted into the cylinder lock and turned, the cam member rotates, the engaging convex part engages with the connecting band plate, and the connecting band plate slides. The front frame lock claw tilts to the unlocking side. Therefore, the engagement between the front frame lock claw and the sliding engagement member of the receiving metal is released, and the front frame is unlocked smoothly.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. 1 shows a right side view of a locking device for a pachinko gaming machine, FIG. 2 shows a rear view thereof, and FIGS. 3 and 4 show exploded views of the locking device. This locking device swings the front frame lock claws 2 and 3 for locking the front frame 21 of the pachinko gaming machine to the upper and lower portions of the support plate 12 of the base frame 1 having a vertically long and substantially L-shaped cross section. A connecting band plate 6 that is pivotally supported and tilts the upper and lower front frame locking claws 2 and 3 in the unlocking direction in the base frame 1 is slidably disposed. A cylinder lock 7 is attached to the lower part of the portion, and a cam member 8 fixed to the tip of the lock shaft of the cylinder lock 7 is configured to be engageable with the connecting band plate 6.

  As shown in the exploded views of FIGS. 3 and 4, the base frame 1 is formed in a vertically long, substantially angled material shape, and is attached to the inner side of the front frame 21 with a fixing screw or the like. And a support plate 12 bent at a right angle. A wide portion is provided at the lower portion of the support plate 12, and a stopper 9 is pivotally pivoted inside the wide portion so as to prevent unauthorized movement of a sliding engagement member 31 of receiving brackets 30A and 30B described later. It is supported. Further, when the sliding member 19 is attached to the lower end portion of the support plate 12 and the front frame 21 is closed, the sliding member 19 rides on the sliding receiving plate 23 provided on the main body frame 20 while sliding and lifts the front frame 21. Act on.

  As shown in FIG. 1, the pair of front frame lock claws 2 and 3 pivotally supported at the upper and lower portions are pivotally supported so as to tilt obliquely downward from the horizontal position about the pivot shafts 2a and 3a. The concave portion is disposed so as to face upward and to protrude horizontally to the back side. The end portions (base portions) of the pair of table frame lock claws 2 and 3 are connected by a connecting band plate 6. That is, the upper end portion of the connecting band plate 6 is connected to the end portion of the upper table frame locking claw 2 by the connecting shaft 2b, and the upper end portion of the connecting band plate 6 is connected to the end portion of the lower table frame locking claw 3 When connected by the shaft 3b and the connecting band plate 6 moves upward, the pair of front frame lock claws 2 and 3 tilt downward and unlock. An arc-shaped guide convex portion 11a is provided on the inner side of the mounting plate 11 of the base frame 1 so as to cut and rise inward, and the connecting strip 6 is vertically slid between the guide convex portion 11a and the support plate 12. It is supported movably.

  A wide portion is formed above the middle portion of the mounting plate 11 of the base frame 1, and an opening for the cylinder lock is formed in that portion, and the cylinder lock 7 is opened from the inside of the mounting plate 11 of the base frame 1. The flange 7a is applied to the inner side of the mounting plate 11, the lock shaft 7b is disposed on the inner side, and the flange 7a is fastened and fixed to the mounting plate 11.

  The cam member 8 is fixed to the tip end of the lock shaft 7 b protruding inside the mounting plate 11 of the cylinder lock 7. The cam member 8 is provided with a first engaging convex portion 8a and a second engaging convex portion 8b. As shown in FIG. 2, the first engaging convex portion 8a and the second engaging convex portion 8b In the base frame 1, it arrange | positions facing the support plate 12 and the connection strip | belt board 6 side. And the 1st engagement convex part 8a of the cam member 8 enters into the engagement hole 6a of the connection strip 6 and locks in the locked state, and has a structure that prevents the movement of the connection strip 6. .

  Further, the first engaging convex portion 8a of the cam member 8 rotates counterclockwise in FIG. 2 when a key is inserted into the cylinder lock 7 and rotated to the right. At this time, the first engaging convex portion 8a is rotated. Enters the engagement hole 6a, engages with the engagement portion 6b, slides the connecting strip 6 upward, and performs the unlocking operation of the front frame 21.

  Further, the first engaging convex portion 8a of the cam member 8 is formed in a shape that protrudes longer than the conventional one, and the locked state, that is, the front frame locking claws 2 and 3 are in the locked state, and the cylinder lock 7 to the key 5 is pulled out, the first engagement convex portion 8 a enters the engagement hole 6 a of the connecting strip 6. For this reason, even if it tries to slide the connecting strip 6 illegally in the locked state, the lock shaft 7b of the cylinder lock 7 and the cam member 8 do not rotate, and the first engaging convex portion 8a of the cam member 8 does not rotate. The connecting strip 6 is locked, and unauthorized unlocking can be prevented.

  Between the support plate 12 and the connecting band plate 6 in the vicinity of the cam member 8 in the base frame 1, the glass frame operation plate 5 is disposed so as to be slidable up and down. The glass frame actuating plate 5 has an engaging protrusion 5a for unlocking a glass frame locking tool (not shown), and the engaging protrusion 5a is disposed so as to protrude outward from the opening of the support plate 12. Is done. The glass frame locking tool is usually provided in a metal frame for a glass frame in the front frame.

  At the lower end portion of the glass frame operation plate 5, an engaging portion 5 b that engages with the second engaging convex portion 8 b of the cam member 8 is provided. The second engaging convex portion 8b rotates in the clockwise direction of FIG. 6 when a key is inserted into the cylinder lock 7 and turned counterclockwise. At this time, the second engaging convex portion 8b is engaged with the coupling band plate 6. It is a structure that enters the joint hole 6a, engages with the engaging portion 5b of the glass frame operating plate 5, and slides it downward.

  As shown in FIGS. 3 and 4, the front frame locking claw 2 protrudes to the back side in a horizontal state via the pivot 2 a and is supported on the upper portion of the support plate 12 of the base frame 1 so as to be tiltable downward from the horizontal position. Is done. Similarly, in the vicinity of the lower portion of the support plate 12, a front frame locking claw 3 is pivotally supported so as to protrude rearward in a horizontal state via a pivot 3a and tilt downward from a horizontal position. The front frame lock claws 2 and 3 are provided with locking recesses on the upper edge side for engaging with the receiving metal fittings 30A and 30B on the main body frame side of the gaming machine, and the front frame lock claws 2 and 3 are tilted downward. When the structure is unlocked.

  And the upper end part of the connection band board 6 arrange | positioned so that sliding is possible along the support plate 12 in the base frame 1 is connected with the base part of the front frame lock nail | claw 2 via the connection shaft 2b, and it connects similarly. The lower end portion of the strip 6 is connected to the base portion of the front frame lock claw 3 via the connecting shaft 3b. Further, a stopper 9 is pivotally supported on the inner side of the lower wide portion of the support plate 12 via a pivot 9a. In the locked state, the stopper 9 is provided with a stopper locking portion 9d at the lower end of the stopper 9 in order to prevent a sliding locking member 31 of a receiving bracket 30A, 30B described later from moving to the unlocking side. It is provided with a bend. When the front frame 21 is closed, the stopper 9 can be swung to avoid interference with the engaging portion 31 b of the sliding locking member 31.

  For this reason, a guide hole 9b is formed in the swinging direction in the lower portion of the stopper 9, the guide pin 9c is inserted into the guide hole 9b, and the tip of the guide pin 9c is fixed to the support plate 12. Further, a spring member 18 is stretched between the upper portion of the stopper 9 and the connecting band plate 6, and the connecting band plate 6 is biased downward by the spring member 18, so that the stopper 9 is moved to an appropriate stopper position side. Be energized. Thereby, the connection strip 6 has a structure for urging the front frame lock claws 2 and 3 toward the locking side. Further, a cover wall 12a is formed on the back side of the base frame 1 on which the stopper 9 and the spring member 18 are mounted in a form in which an edge portion of the support plate 12 is bent inward, and this cover wall 12a is a wall. The unauthorized device inserted from the outside is difficult to reach the stopper 9 and the spring member 18.

  On the other hand, a spring member 17 is stretched between the mounting plate 11 and the upper part of the glass frame operation plate 5, and the glass frame operation plate 5 is biased upward by the spring member 17. When the glass frame is unlocked by turning the key inserted into the cylinder lock 7 counterclockwise, the glass frame operation plate 5 moves downward against the urging force of the spring member 17 by the rotation of the cam member 8 in the same direction. Will do.

  As shown in FIG. 6, the locking device having the above configuration is vertically fixed near the free end inside the front frame 21 that is attached to the front surface of the pachinko gaming machine via a hinge so as to be opened and closed. The front keyhole is exposed in front of the front frame 21, and the front frame lock claws 2 and 3 are attached facing the back side of the front frame 21, that is, the main body frame 20 side.

  Receiving brackets 30 </ b> A and 30 </ b> B are fixed at positions corresponding to the front frame lock claws 2 and 3 in the main body frame 20. The metal fittings 30A, 30B are formed in the same shape, and as shown in FIGS. 7 to 9, the main body is formed in a vertically long shape with a substantially U-shaped cross section, and inside the wall portions 30a, 30b on both sides, The sliding locking member 31 is disposed so as to be slidable up and down. The sliding locking member 31 is formed with a locking portion 31a for locking the front frame lock claws 2 and 3 bent at right angles to the side portion, and the stopper locking portion 9d of the stopper 9 and An engageable engagement portion 31b is formed to protrude in the lateral direction. When the locking portion 31b is locked, as shown in FIG. 10, the engaging portion 31b enters just below the stopper locking portion 9d of the stopper 9 in the base frame 1, and the sliding locking member 31 is improperly used by an illegal instrument such as a wire. Even when it is slid upward, the stopper 9 abuts against the stopper engaging portion 9d so that unauthorized unlocking is impossible.

  A guide hole 31c is formed in the sliding locking member 31 in the vertical direction, a guide pin 31d is inserted into the guide hole 31c, and the tip thereof is fixed to the main body side of the receiving metal fittings 30A and 30B. Moreover, the spring member 32 is mounted between the sliding locking member 31 and the main body, and the spring member 32 biases the sliding locking member 31 downward on the locking side. As a result, when the front frame 21 is closed, when the tip inclined portion of the front frame lock claws 2 and 3 hits the locking portion 31a of the sliding locking member 31, the sliding locking member 31 becomes a spring member. When the locking recesses of the front frame lock claws 2 and 3 reach the locking portion 31 a once against the spring force of 32, the sliding locking member 31 is moved by the biasing force of the spring member 32. The structure returns to the original position and becomes locked.

  When the front frame 21 is closed with respect to the main body frame 20 of the pachinko gaming machine, the inclined front ends of the front frame lock claws 2 and 3 of the locking device are received metal fittings 30A and 30B inside the main body frame 20, as shown in FIG. It contacts the locking portion 31a of the sliding locking member 31. At this time, in a state where the key is not inserted into the cylinder lock 7, the lock shaft 7b of the cylinder lock 7 is locked, so the cam member 8 is also locked and cannot rotate. Further, since the first engaging convex portion 8a of the cam member 8 is fitted in the engaging hole 6a of the connecting band plate 6, the connecting band plate 6 is locked for sliding, and a pair of front frame locking claws. 2 and 3 cannot tilt.

  Therefore, when the sliding locking member 31 once slides upward against the spring force of the spring member 32 and the locking recesses of the front frame locking claws 2 and 3 reach the locking portion 31a, the sliding locking member 31 The stop member 31 returns to the original position by the urging force of the spring member 32, and the front frame lock claws 2 and 3 are locked to the locking portions 31a of the receiving metal fittings 30A and 30B, and the locked state shown in FIG.

  In such a locked state, as shown in FIG. 10, the cam member 8 has its first engagement convex portion 8a entered into the engagement hole 6a of the connecting strip 6 and is in a fitted state. The member 8 is in a state in which the lock shaft 7b of the cylinder lock 7 from which the key is removed is locked and cannot rotate, so that the connecting strip 6 is prevented from sliding up and down.

  Therefore, even if an unauthorized tool such as a wire is inserted from the gap of the front frame 21 and the connection band plate 6 is moved to tilt the front frame lock claws 2 and 3, the connection band plate 6 does not slide, Even if the sliding locking member 31 of the metal fittings 30A, 30B is slid illegitimately to the unlocking side, it is blocked by the stopper 9, thereby preventing unauthorized unlocking.

  When unlocking the front frame 21, when the key is inserted into the cylinder lock 7 and turned to the right, the cam member 8 rotates in the same direction, and the first engagement convex portion 8a rotates counterclockwise in FIG. It moves and moves the connection strip 6 upward. At this time, as shown in FIG. 12, the front frame lock claws 2 and 3 are tilted downward, and the engagement between the front frame lock claws 2 and 3 and the engaging portions 31a of the respective receiving brackets 30A and 30B is released and unlocked. Then, the front frame 21 is opened.

  When unlocking the glass frame, when the key is inserted into the cylinder lock 7 and the key is turned counterclockwise, the cam member 8 rotates to rotate the second engaging projection 8b clockwise in FIG. The frame operation plate 5 is moved downward. Thereby, the engagement protrusion 5a of the glass frame action | operation board 5 acts on the sliding piece of the glass frame locking tool which is not shown in figure, and a glass frame is unlocked.

It is a right view of the locking device for game machines which shows one Embodiment of this invention. It is a rear view of the locking device. It is an exploded right side view of the locking device. It is a disassembled rear view of the locking device. It is an enlarged partial rear view which shows the part of a cylinder lock and a cam member. It is a right view of the locked state which shows a use aspect. It is a decomposition | disassembly left view of a receiving metal fitting. (A) is a left view of the sliding latching member of a receiving metal fitting, (b) is a rear view of a sliding latching member. It is a left view of a receiving metal fitting. It is a right view at the time of locking which shows a use aspect. It is explanatory drawing which shows the motion of a table frame lock nail | claw and a receiving metal fitting at the time of locking. It is a right view with a cross section which shows the state of a table frame lock nail | claw and a receiving metal fitting at the time of unlocking. It is a rear view which shows the motion of a glass frame action | operation board.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Base frame 2 Table frame lock claw 2a Pivot 2b Connection shaft 3 Table frame lock claw 3a Pivot 6 Connection strip 6a Engagement hole 7 Cylinder lock 8 Cam member 8a First engagement convex part 9 Stopper 9a Pivot 9d Stopper lock part DESCRIPTION OF SYMBOLS 11 Mounting plate 12 Support plate 12a Cover wall 20 Main body frame 21 Front frame 30A, 30B Receptacle 31 Sliding locking member 31a Locking part 31b Engaging part 32 Spring member

Claims (2)

A pair of front frame lock claws project on the back side and are pivotably supported on the support plate of the vertically long base frame having a mounting plate and a support plate bent at right angles to each other. A connecting band plate is connected between the lock claws by a connecting shaft, and the connecting band plate is disposed in the base frame so as to be slidable up and down along the support plate. The cam member is fixed to the lock shaft, and the cam member is provided with an engaging convex portion that can be engaged with the connecting band plate. In a gaming machine locking device in which a frame is vertically attached to the inside of a table frame of a gaming machine, and the table frame locking claw is locked to a receiving metal fitting fixed to the inside of the main body frame of the gaming machine,
The coupling band plate is provided with an engagement hole into which the engagement convex portion of the cam member enters and fits. In the locked state, the engagement convex portion of the cam member is an engagement hole of the coupling band plate. holding the state fitted in the locked state without the key is inserted into the cylinder lock, by lock shaft of the cylinder lock does not rotate, slide to the unlocking side of the connecting strip is prevented in,
A sliding locking member is slidably arranged on the receiving metal fitting, and the sliding locking member is provided with a locking portion for locking the front frame locking claw and in the locking direction. A spring member to be urged is attached,
An engaging portion is provided on the sliding locking member, and a stopper is pivotally supported on the base frame for urging the stopper to a locking position of the sliding locking member. A spring member is mounted,
When the front frame is closed, the front frame lock claw hits the locking portion of the sliding locking member and the sliding locking member slides and is locked ,
In a locked state, the stopper engages with the engaging portion of the sliding locking member to prevent the sliding locking member from sliding in the unlocking direction. .   The gaming machine locking device according to claim 1, wherein a cover wall that covers the stopper and the spring member is provided at an edge portion of the support plate of the base frame.

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