JP2007061341A - Locking device for game machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a locking device which has an illegal lock-releasing preventing function and has the reduced number of parts. <P>SOLUTION: The locking device 1 has a hook member 3 which is fixed to a basal frame 2 to be capable of moving slantly, a connection rod 4 which is supported by the basal frame 2 to be capable of moving vertically and a cam member to make the connection rod 4 move vertically, wherein the cam member is made to rotate around a shaft together with a lock shaft of a cylinder lock and the hook member 3 is made to slantly move downward through the connection rod 4 to release the fixed situation of the hook member 3 from a hook receiving member 8, and a projection section 8d which is projected to a lower side position of the hook member 3 and restrains the downward and slant movement of the hook member 3 is formed in the hook receiving member 8. A horizontal press section which presses the connection rod 4 horizontally when the cam member is rotated around the shaft and an engagement section which is engaged with the connection rod and makes the connection rod 4 move upward are formed in the cam member, and the hook member 3 is moved horizontally by the cam member along a slant movement shaft 22 through the connection rod 4 and is slantly moved downward at a position avoiding the projection section 8d. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a locking device that locks a front frame to an outer frame. In particular, the present invention relates to a locking device for a gaming machine having a function for preventing unauthorized unlocking using a wire or the like.

Conventionally, the locking device of patent documents 1 and 2 is known.
The locking device according to Patent Document 1 has a pair of hook members attached to an upper part and a lower part of a vertically long base frame body so as to be tiltable, and a connecting bar supported to be movable up and down with respect to the base frame body. The pair of scissors members are tilted up and down by moving the connecting scissors up and down. Further, a lock member is attached to the base frame so as to be tiltable, and the lock member is configured to prevent unauthorized unlocking by locking the connecting rod at the locking position.
The locking device according to Patent Document 2 has a lock piece that is moved by a solenoid valve, and is configured to lock the collar member with the lock piece. Therefore, the solenoid valve and the lock piece can prevent unauthorized unlocking.
JP 2004-141256 A JP 2003-190564 A

However, the locking device according to Patent Documents 1 and 2 has a configuration that requires many dedicated parts for preventing unauthorized unlocking. Therefore, the cost tends to be high.
Accordingly, an object of the present invention is to provide a locking device that has an unauthorized unlocking prevention function and has a small number of parts.

In order to solve the above-mentioned problems, the present invention is a locking device for a gaming machine having a configuration as described in each claim.
According to the first aspect of the present invention, the locking device includes a pair of hook members, a connecting hook, a cam member, and a pair of hook receiving members. A pair of eaves members are tilted up and down via eaves, and each eaves member is latched and released from each eaves receiving member. At least one of the pair of hook members is formed with a protruding portion that protrudes to an upper position or a lower position of the hooked hook member and restricts the vertical tilting of the hook member. The cam member is formed with a horizontal pressing portion that pushes the connecting rod in the horizontal direction when the shaft rotates, and an engaging portion that engages with the connecting rod and moves the connecting rod either up or down. The cam member is configured to move up and down in the horizontal direction along the tilt axis and tilt up and down at a position that avoids the protruding portion via the connecting rod.

Therefore, in the locked state, even if the connecting rod is moved up and down with a wire or the like, the hook member cannot be tilted in the vertical direction by the protruding portion formed on the hook receiving member. Therefore, unauthorized unlocking is prevented by the protruding portion. Moreover, the protrusion part is formed in the collar member, and the collar member is not a member purposely provided for preventing unauthorized unlocking. Therefore, the locking device has an unauthorized unlocking prevention function without increasing or almost increasing the number of parts.
On the other hand, in the unlocked state, the cam member is rotated about the shaft, and the hook member is operated via the connecting rod. As a result, the eaves member moves or inclines in the horizontal direction along the tilt axis, and the eaves member tilts in the vertical direction at a position avoiding the protruding portion. Therefore, the hook member can be released from the hook receiving member.

According to the second aspect of the present invention, the flange member is biased in the horizontal direction or the tilting direction along the tilting axis by the biasing member, thereby being attached to the upper position or the lower position of the protruding portion of the collar receiving member. The cam member is configured to move or tilt the collar member in the horizontal direction along the tilt axis against the biasing force of the biasing member.
Therefore, the hook member in the locked state is stabilized at the upper position or the lower position of the protruding portion of the hook receiving member by the biasing member. For this reason, the eaves member is reliably restricted from tilting in the vertical direction by the protrusion.

According to invention of Claim 3, it has the urging member which urges | biass the unlocking rod for glass frames supported so that it can move up and down with respect to a base frame body up and down, The urging member The heel member is urged horizontally or tilted along the tilting axis by using.
Therefore, the number of parts of the locking device can be reduced by sharing the biasing member.

  According to the present invention, the locking device can prevent unauthorized unlocking and has a configuration with a small number of parts.

The embodiment will be described with reference to FIGS.
As shown in FIG. 1, the locking device 1 is a locking device attached to a gaming machine 10 such as a pachinko machine or a slot machine.
The gaming machine 10 has an outer frame 11 and a front frame 12. The outer frame 11 has a rectangular shape, and a part thereof is shown in FIG.
The front frame 12 is a plate member having an opening window 12a at the center, and is attached to the outer frame 11 via a pair of hinges 13 so as to be rotatable. The front frame 12 is rotated between a closed position and an open position with respect to the outer frame 11, and is locked at the closed position by the locking device 1.

As shown in FIG. 1, the locking device 1 has a pair of hook members 8 attached to the outer frame 11 and a base frame body 2 attached to the front frame 12. A pair of flange members 3, a connecting rod 4, and a cylinder lock 5 are attached to the base frame body 2.
The base frame body 2 is a vertically long member having an L-shaped cross section as shown in FIG. 2, and includes a mounting plate portion 2 a attached to the back surface of the front frame 12 and a support plate portion 2 b erected from the mounting plate portion 2 a. have.

As shown in FIG. 3, the eaves member 3 is attached to the upper and lower portions of the support plate portion 2b via a tilt shaft (pin) 22 so as to be tiltable.
At the center of the upper end edge of the flange member 3, a latching portion 3b is formed in a concave shape. An inclined tip portion 3 a that is bent in the thickness direction is formed at the tip portion of the flange member 3.

As shown in FIG. 3, the connecting rod 4 is a vertically long plate material and is supported so as to be movable in the vertical direction with respect to the base frame body 2. A base end portion of the flange member 3 is connected to the upper and lower portions of the connection rod 4 via a pin 23 so as to be tiltably movable. Therefore, by moving the connecting rod 4 up and down, the pair of rod members 3 tilts up and down.
An urging member (for example, a coil spring) 20 that urges the connecting rod 4 downward is attached between the connecting rod 4 and the support plate portion 2b. Accordingly, the eaves member 3 is biased to the horizontal position shown in FIG.

As shown in FIG. 3, a glass frame unlocking rod 7 is supported between the connecting rod 4 and the support plate 2b so as to be movable in the vertical direction.
The unlocking rod for glass frame 7 has an engaging convex portion 7b protruding toward a glass frame (not shown), a latching portion 7a formed at the center position, and a latching portion 7c formed at the upper end portion. is doing.
The engaging projection 7b moves downward and acts on an unlocking piece of a glass frame locking tool provided on a metal frame of a pachinko machine (not shown) to unlock the glass frame locking tool. .
As shown in FIG. 2, the hooking portion 7c extends in a direction away from the support plate portion 2b, penetrates through the connecting rod 4, and one end of a biasing member (coil spring or the like) 21 is hooked at the tip. ing.
The other end of the biasing member 21 is hooked on the hooking portion 2c of the mounting plate portion 2a, thereby biasing the glass frame unlocking rod 7 upward.

  The urging member 21 also urges the glass frame unlocking rod 7 in the horizontal direction toward the connecting rod 4 as shown in FIGS. The urging member 21 urges the connecting rod 4 in the horizontal direction in a direction away from the support plate portion 2b via the glass frame unlocking rod 7, or the right end edge of the drawing is on the front side of the drawing. It is energized in the direction of tilting horizontally so as to tilt sideways.

As shown in FIG. 3, a cylinder lock 5 is attached to the approximate center of the attachment plate portion 2a.
The cylinder lock 5 is inserted into the insertion hole 2d of the mounting plate portion 2a, and a flange 5a formed at the end is screwed to the mounting plate portion 2a.
The cylinder lock 5 has a key hole into which a key is inserted, and a lock shaft 5b that rotates with the key. And the cam member 6 is being fixed to the front-end | tip part of the lock shaft 5b.

As shown in FIG. 4, the cam member 6 has a horizontal pressing portion 6c and engaging portions 6b and 6d.
The horizontal pressing portion 6c is erected on the outer peripheral edge of the cam main body 6a, and the engaging portions 6b and 6d protrude from the cam main body 6a in the radial direction.
As shown in FIGS. 4 (a) and 4 (b), the horizontal pressing portion 6c abuts on the surface of the engaging portion 4a of the connecting rod 4 by rotating the cam member 6 in the direction of the arrow A, thereby engaging the engaging portion 4a. Press in the direction of arrow B. The arrow B direction is the horizontal direction, ie, the plate thickness direction of the connecting rod 4 and the plate thickness direction of the support plate portion 2b. Therefore, the connecting rod 4 moves toward the support plate portion 2b against the biasing member 21 as shown in FIG. Alternatively, the right end of FIG. 2 is inclined in the horizontal direction toward the support plate 2b with the left end of FIG. 2 as the center.

  As shown in FIG. 4 (b), the connecting rod 4 moves in the horizontal direction or tilts in the horizontal direction, so that the hook member 3 moves in the arrow D direction by the connecting rod 4 as shown in FIGS. 5 (a) and 5 (b). To do. That is, the eaves member 3 moves in the horizontal direction toward the support plate 2b or tilts in the horizontal direction with respect to the tilting shaft 22, and the tip moves toward the support plate 2b.

When the cam member 6 is further rotated in the direction of arrow A as shown in FIGS. 4B and 4C, the engaging portion 6b comes into contact with the lower end edge of the engaging portion 4a. Then, the engaging portion 4a pushes up the connecting rod 4, and the connecting rod 4 moves upward.
When the connecting rod 4 moves upward, the hook member 3 moves in the direction of arrow E by the connecting rod 4 as shown in FIGS. That is, the tip of the flange member 3 tilts downward.

As shown in FIG. 6, the flange receiving member 8 has a substantially L-shaped cross section, a mounting plate portion 8 a attached to the outer frame 11, and a protruding plate portion 8 b erected from one side edge of the mounting plate portion 8 a. have.
As shown in FIGS. 5 and 6, the overhanging plate portion 8 b has a hooking portion 8 c that hooks the collar member 3 from below and a protruding portion 8 d that protrudes below the hooking portion 8 c. .
As shown in FIG. 5A, the protruding portion 8d protrudes to the lower position of the flange member 3 in the locked state, and restricts the tip of the flange member 3 from tilting downward.

  In the unlocked state from the locked state, the cam member 6 is rotated in the direction of arrow A as shown in FIG. Thereby, the eaves member 3 moves in the horizontal direction or tilts in the horizontal direction along the tilting shaft 22 as shown in FIG. 5, and moves to a position avoiding the protruding portion 8d. And the front-end | tip part of the collar member 3 inclines below, and the latching | locking part 3b of the collar member 3 remove | deviates from the latching part 8c of the collar receiving member 8. FIG. Therefore, the locking device 1 changes from the locked state shown in FIG. 5A to the unlocked state shown in FIG. Then, the front frame 12 can be rotated from the closed position to the opened position.

  When the locking device 1 is changed from the unlocked state to the locked state, the front frame 12 is rotated from the opened position to the closed position, and the collar member 3 is moved toward the collar receiving member 8 (see FIG. 1). . Thereby, the upper end edge of the eaves member 3 slides on the latching portion 8c of the eaves receiving member 8, and the front end portion of the eaves member 3 tilts downward. Then, the inclined tip 3a abuts against the protruding portion 8d of the hook receiving member 8, the hook member 3 is pushed in the horizontal direction, and the hook member 3 tilts downward while avoiding the protruding portion 8d. Then, the eaves member 3 is tilted in the horizontal direction by the urging force of the urging member 20 (see FIG. 2), and moved by the urging force of the urging member 21 in the direction opposite to the arrow D direction in FIG. It moves to a position above the protrusion 8d.

  When the unlocking rod 7 for glass frame is operated, the cam member 6 is rotated in the direction opposite to the arrow A direction shown in FIG. Thereby, the engaging part 6d is engaged with the engaging part 7a of the unlocking rod 7 for glass frame, and the engaging part 7a pushes down the engaging part 6d. As a result, the glass frame unlocking bar 7 moves downward against the biasing member 21, and the glass frame unlocking bar 7 unlocks the glass frame locking tool.

The locking device 1 is configured as described above.
That is, the locking device 1 has a pair of flange members 3, a connecting rod 4, a cam member 6, and a pair of rod receiving members 8 as shown in FIG. As shown in FIG. 5, the pair of hook receiving members 8 is formed with a protruding portion 8 d that protrudes to a lower position of the hook member 3 that is hooked and restricts the downward tilting of the hook member 3. As shown in FIG. 4, the cam member 6 includes a horizontal pressing portion 6 c that pushes the connecting rod 4 in the horizontal direction when the shaft rotates, and an engaging portion that engages the connecting rod 4 and moves the connecting rod 4 upward. 6b is formed. Then, the collar member 3 is tilted upward at a position where the cam member 6 moves or tilts along the tilting shaft 22 in a horizontal direction and avoids the protruding portion 8d as shown in FIG. It has become.

Therefore, in the locked state, even if the connecting rod 4 is moved up and down with a wire or the like, the rod member 3 cannot be tilted downward by the protruding portion 8 d formed on the rod receiving member 8. Therefore, unauthorized unlocking is prevented by the protruding portion 8d. Further, the protruding portion 8d is formed on the hook receiving member 8, and the hook receiving member 8 is not a member purposely provided for preventing unauthorized unlocking. Therefore, the locking device 1 has an unauthorized unlocking prevention function without increasing or almost increasing the number of parts.
On the other hand, in the unlocked state, the cam member 6 is pivoted as shown in FIGS. Thereby, the eaves member 3 moves or inclines in the horizontal direction along the tilting axis 22, and the eaves member 3 is inclined downward at a position avoiding the protruding portion 8d. Therefore, the eaves member 3 can be released from the eaves receiving member 8.

Further, as shown in FIG. 5, the hook member 3 is urged by the urging member 21 in the horizontal direction or the tilting direction along the tilting shaft 22 as shown in FIG. It is biased to the upper position. The cam member 6 is configured to move or tilt the collar member 3 in the horizontal direction along the tilting axis against the biasing force of the biasing member 21.
Therefore, the hook member 3 in the locked state is stabilized by the biasing member 21 at the upper position of the protruding portion 8d of the hook receiving member 8. Therefore, the downward tilting of the flange member 3 is reliably restricted by the protruding portion 8d.

Further, as shown in FIG. 2, the locking device 1 has a biasing member 21 that biases the unlocking rod 7 for glass frame upward. Energized in the direction.
Therefore, the number of parts of the locking device 1 can be reduced by sharing the biasing member.

(Other embodiments)
The present invention is not limited to the above-described embodiment, and may be the following form.
(1) That is, in the locking device 1 according to the above-described embodiment, the hook member 3 is hooked on the hook member 8 from below, and the hook member 3 is tilted downward by the protruding portion 8d of the hook member 8. It was configured to be restricted. However, the hook member is hooked on the hook member from above, and the hook member has a protruding portion that protrudes to an upper position of the hooked hook member, and the upward tilting of the hook member is caused by the protruding portion. A regulated locking device may be used.
(2) The eaves member 3 according to the above-described embodiment is urged in the direction of the tilting axis by the urging member 21 that urges the glass frame unlocking ridge 7 as shown in FIG. However, a form having another urging member for urging the heel member in the tilting axis direction between the heel member and the base frame body may be employed. Or the form which has another urging | biasing member which urges | biases a connecting rod in a horizontal direction between a connecting rod and a base frame, and urges a eaves member in a tilting-axis direction via a connecting rod may be sufficient.
(3) The pair of saddle-receiving members according to the above-described embodiments both have protrusions that restrict the tilting of the saddle member. However, only one of the pair of saddle receiving members may have a protruding portion that restricts the tilting of the saddle member. Even if it is this form, it can be controlled that a connecting rod moves up and down by one protrusion and one rod member.

It is a perspective view of a part of gaming machine and a locking device. It is the perspective view (a) in the locking state of a locking device, and the perspective view (b) in an unlocking state. It is a perspective view of the component of a locking device. They are a perspective view (a) in the locked state of the locking device near the cam member, a perspective view (b) in the middle of changing from the locked state to the unlocked state, and a perspective view (c) in the unlocked state. They are a perspective view (a) in the locked state of the locking device near the flange member, a perspective view (b) in the middle of changing from the locked state to the unlocked state, and a perspective view (c) in the unlocked state. It is a perspective view of a collar member.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Locking device 2 ... Base frame 2a ... Mounting plate part 2b ... Supporting plate part 3 ... Gutter member 3a ... Inclined tip part 3b ... Latching part 4 ... Coupling bar 4a ... Engagement part 5 ... Cylinder lock 5a ... Flange 5b ... Lock shaft 6 ... Cam members 6b, 6d ... engaging part 6c ... horizontal pressing part 7 ... glass frame unlocking hook 8a ... mounting plate part 8 ... hook receiving member 8c ... hanging part 8d ... protruding part 10 ... gaming machine 11 ... outer frame 12 ... front frames 20, 21 ... biasing member 22 ... tilting shaft

Claims (3)

A pair of eaves members attached to the upper and lower portions of the vertically long base frame body so as to be tiltable, a connection rod supported to be movable up and down with respect to the base frame body, and a cam member for moving the connection rod up and down And a pair of hook receiving members that are hooked to the pair of hook members, the cam member is rotated together with a lock shaft of a cylinder lock, and the pair of hook members are vertically moved via the connecting hook. A locking device for a gaming machine that tilts and releases each hook member from each hook receiving member,
At least one of the pair of hook receiving members is formed with a protrusion that protrudes to an upper position or a lower position of the hooked hook member to restrict the vertical tilt of the hook member,
The cam member is formed with a horizontal pressing portion that pushes the connecting rod in the horizontal direction when the shaft rotates, and an engaging portion that engages with the connecting rod and moves the connecting rod up or down. The hook member is configured to be tilted up and down at a position avoiding the protrusion by moving or tilting horizontally along the tilt axis by the cam member via the connecting rod. Locking device for gaming machines. A locking device for a gaming machine according to claim 1,
The heel member is urged by the urging member in the horizontal direction or in the tilting direction along the tilting axis so as to be urged to the upper position or the lower position of the protruding portion of the heel receiving member,
A locking device for a gaming machine, wherein the cam member is configured to move or tilt the saddle member in a horizontal direction along a tilting axis against a biasing force of the biasing member. A locking device for a gaming machine according to claim 2,
It has a biasing member that biases the unlocking rod for glass frame supported so as to be movable up and down with respect to the base frame body either up and down. A locking device for a gaming machine, wherein the locking device is biased in a horizontal direction or a tilting direction.

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