JP2003175251A - Lock device for game machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a lock device for a game machine capable of preventing fraudulent locking by moving a slide rod and a hook member fraudulently with a wire, etc. <P>SOLUTION: The lock device comprises a lock member support part 10 attached to an extended part of a support board 3 movably and a lock member 9 supported oscillatably to the lock member support part 10 for locking the movement of the slide rod 6 by engaging with an engagement part formed in the slide rod 6. When a cam member 8 and the lock member 9 are linked so that the lock member is oscillated between the lock position and the unlock position according to the rotation of the cam member and a front frame in the open state is closed to the body frame side, the lock member support part 10 moves the lock member 9 from the unlock position to the lock position with a member disposed on the body frame side. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a locking device for locking a front frame (front door) of a gaming machine such as a pachinko machine or a slot machine to a main frame (cabinet), and in particular, it is performed by inserting a wire or the like. The present invention relates to a locking device for a game machine that prevents correct unlocking.

[0002]

2. Description of the Related Art As a locking device for locking a front frame (front door) of a gaming machine to a main frame, a sliding rod slides inside a base frame composed of a mounting plate and a supporting plate having an L-shaped cross section. A hook member is connected to the upper and lower parts of the support plate so as to be tiltable by being connected to the sliding rod, and a cylinder lock is provided in the middle part of the mounting plate through a hole in which the lock shaft is provided in the mounting plate. A locking device that is fixed so as to be inserted inward and has a cam member that engages with a sliding rod fixed to the tip of a lock shaft is generally used (for example,
See Japanese Utility Model Publication No. 58-41998, etc.).

[0003]

This type of locking device is
Inside the free end of the front frame of the gaming machine, its hook member is fixed vertically toward the main body frame side, and inside the main body frame, a receiving metal fitting is fixed at a position facing the upper and lower hook members, When the front frame is closed, those hook members are locked by being locked by the receiving metal fittings, but normally this locking device is unlocked by applying external force to the sliding rod and the hook members even in the locked state. When the sliding rod or the hook member receives a force in the direction, it is a structure that can move in the unlocking direction.

For this reason, a person who intends to illegally unlock the game inserts a wire or the like into the inside through a gap formed between the front frame of the game machine and the main frame, and hooks the tip of the wire on a sliding rod or a hook member. When pulled, the sliding rod and the hook member move in the unlocking direction, and there is a problem that the front frame is unlocked illegally.

The present invention has been made in order to solve the above-mentioned problems, and it is possible to prevent an illegal unlocking in which a sliding rod or a hook member is illegally moved and unlocked by using a wire or the like. An object of the present invention is to provide a locking device for a door.

[0006]

In order to achieve the above-mentioned object, the locking device of the present invention is such that a hook member has an upper part and an upper part from a supporting plate of a vertically long base frame composed of a mounting plate and a supporting plate. A cylinder lock is attached to the mounting plate of the base frame by projecting at the lower part, and the both hook members are connected or integrally formed with a sliding rod slidably arranged along the support plate in the base frame. Is fixed by inserting the lock shaft inside, a cam member engageable with the sliding rod is fixed to the tip of the lock shaft, and the mounting plate of the base frame is vertically mounted on the front frame of the gaming machine. A locking device for a gaming machine, wherein the hook member is locked to a locking receiver attached to the main body frame side of the gaming machine to lock the front frame, and the sliding rod is slid to unlock. A lock member support portion movably attached to the extended portion of the support plate, and a swingable support for the lock member support portion. A lock member that engages with an engaging portion provided on the sliding rod and locks the movement of the sliding rod, and the cam member and the locking member are provided to rotate the cam member. Accordingly, the lock member is linked so as to swing between the lock position and the unlock position, and when the front frame is closed from the open state to the main body frame side, the lock is provided by the member provided on the main body frame side. The member support is configured to move the locking member from the unlocked position to the locked position.

Here, in the gaming machine locking device having the above structure, the lock member is swingably supported by the lock member supporting portion, the cam member is provided with the cam groove, and the pin provided on the lock member is engaged with the cam groove. The other pin provided on the lock member can be engaged with the guide groove provided on the lock member supporting portion.

[0008]

When the front frame of the gaming machine is closed with respect to the main body frame, the upper and lower hook members of the locking device come into contact with the locking receivers on the main body frame side while tilting or sliding. It is stopped and locked. At this time, the sliding rod is locked while sliding, but it is normally locked because the lock member is in the unlocked position, and then the lock member support portion locks the lock member in the locked position by the member provided on the main body frame side. To the locked state with the sliding rod locked. Therefore, even if a person who intends to unlock illegally inserts a wire or the like through the gap of the front frame and tries to move the sliding rod or the hook member,
It is locked by the lock member and unauthorized unlocking is prevented.

To unlock it, the cylinder lock is turned by the key and the cam member is rotated. First, the lock member moves to the unlock position by the rotation of the cam member,
The sliding rod is unlocked, then the cam member engages with the sliding rod and slides it, and the upper and lower hook members tilt or slide to engage with the receiver of the main frame. Is removed, and the front frame can be opened.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. 1 shows a right side view of the locking device, and FIG. 2 shows a partial rear view thereof. 1 is a mounting plate 2 and a support plate 3
A plurality of mounting holes are formed in the mounting plate 2 by a vertically long base frame formed by bending at a substantially right angle and integrally forming it into an angle material shape.

Hook members 4, 5 are provided on the upper and lower portions of the support plate 3, respectively.
Pivot portions 31, 32 for pivotally supporting are formed by widening the support plate 3. In the upper and lower pivot parts 31, 32,
The hook members 4 and 5 are pivoted (pins with heads) 4a and 5a,
It is tiltable, that is, pivotally supported so as to rotate within a certain angle range. The hook members 4 and 5 are formed to have a substantially triangular tip portion and a locking portion that is open to the upper side of the middle portion, and are locked and unlocked by tilting downward with respect to the pivots 4a and 5a. .

Further, the sliding rod 6 is connected between the hook member 4 and the hook member 5 via a connecting pin 6c. The upper end of the sliding rod 6 is connected to the end closer than the pivot 4a of the hook member 4,
The lower end of the connecting pin 6 toward the end from the pivot 5a of the hook member 5
It is connected via c.

The sliding rod 6 is arranged so as to be slidable vertically within a predetermined range along the inside of the support plate 3. An intermediate portion of the sliding rod 6 is engaged with a cam member 8 described later. The engaging portion 6a with which the portion 8a is engaged is formed as a long hole. In addition, a locking member 9 described later enters the middle portion of the sliding rod 6 and a locking portion 6b that locks the movement thereof is formed as a rectangular recess. A coil spring (not shown) is hung between the mounting plate 2 and the sliding rod 6, and the sliding rod 6 is constantly urged downward by this spring, that is, toward the locking side.

A hole for mounting the cylinder lock 7 is formed in an intermediate portion of the mounting plate 2, and the cylinder lock 7 is inserted into the hole from the inside of the base frame 1 and fixed thereto through the flange 7a. The cylinder lock 7 has a flange 7a at its base.
With the lock shaft 7b inserted into the base frame 1, the flange 7a is fixed to the inside of the mounting plate 2 with a fixing screw.

The engaging portion 8 is provided on the lock shaft 7b of the cylinder lock 7.
The cam member 8 having a is fixed. The cam member 8 is formed as a cylindrical cam, and is formed by projecting an engaging portion 8a for engaging the sliding rod at a predetermined position on the outer peripheral portion thereof, and the lock shaft 7b is connected to the axial center of the cylinder. Then, it rotates together with the lock shaft 7b. That is, when the cam member 8 is rotated counterclockwise in FIG. 2 by the cylinder lock 7, the engaging portion 8 of the cam member 8 is rotated.
a engages with the engaging portion 6a of the sliding rod 6, slides the sliding rod 6 upward, and unlocks the hook members 4 and 5.

Further, a cam groove 8b is formed on the support plate 3 side on the outer peripheral surface of the cam member 8 which is a cylindrical cam. As shown in FIG. 5, the cam groove 8b is formed along the circumferential direction of the cam member 8 so as to axially shift the groove in a range of about 90 degrees and at an intermediate position. The first pin 9a of 9 fits into and engages with the cam groove 8b, and the rotation of the cam member 8 causes the lock member 9 to swing about the second pin 9b.

On the other hand, a wide base portion 33 is formed in an intermediate portion of the support plate 3, and a plate-shaped lock member support portion 10 is disposed inside the base portion 33 so as to be movable in the vertical direction by a predetermined width. It As shown in FIG. 3, a guide groove 10 a is formed in the lock member support portion 10 in the vertical direction.
0a, the guide pin 3 protrudingly provided inside the base portion 33
3a is fitted, and the lock member supporting portion 10 is guided by the guide pin 33a so as to be vertically movable within a predetermined width.

Further, the lock member support portion 10 includes
A coil spring 11 is hooked between the base member 33 and the base member 33, and the lock member supporting portion 10 is constantly urged downward by the coil spring 11. Further, the lock member support portion 10 is formed with an inclined portion 10c on the lower right side, and when the front frame 21 is closed, the tip end inclined surface of the push-up portion 22 fixed to the main body frame 20 side causes the inclined portion 10c to move. By pushing, the lock member support 10 is raised to a predetermined position.

The lock member 9 is provided inside the lock member support portion 10, that is, between the lock member support portion 10 and the cam member 8.
Is swingably arranged around the second pin 9b as a shaft, but a guide for inserting and guiding the second pin 9b protruding from the lower part of the lock member 9 into the lock member support portion 10. The groove 10b is formed. The guide groove 10b is formed on the surface of the lock member support portion 10 in the vertical direction, and the upper portion thereof is formed so as to be displaced toward the sliding rod 6 side.
That is, when the lock member support portion 10 is pushed up and rises when the front frame is closed, the second pin 9b serving as the shaft of the lock member 9 is moved to the right side in FIG. 1 so that the lock member 9 slides. Is configured so that it can be locked.

That is, as shown in FIG. 4, the lock member 9 has a protrusion 9c formed on one side of the upper part thereof, and a second pin 9b serving as a base shaft on the lower part thereof toward the rear side, that is, the lower side of the drawing. The first pin 9a, which is projectingly provided and serves as a swing shaft, is provided above the second pin 9b so as to project toward the front surface side, that is, toward the upper side of the paper surface.
The second pin 9b of the lock member 9 serves as the lock member support portion 1
0 is inserted into and supported by the guide groove 10b on the surface of the first
The pin 9a fits into the cam groove 8b of the cam member 8.

Due to the cam groove 8b of the cam member 8 and the guide groove 10b of the lock member supporting portion 10, when the lock member supporting portion 10 is in the lowered position (when the front frame is open), the lock member 9 is formed. The second pin 9b of FIG. 1 is located on the left side of FIG. 1, and when the lock member support portion 10 is in the raised position (when the front frame is closed), the second pin 9b of FIG.
When the lock member support portion 10 is in the lowered position, the swinging angle range of the lock member 9 is positioned to the right, and the sliding rod is not locked, and the lock member support portion 10 is in the raised position. Is configured so that when the cylinder lock 7 is locked, the sliding rod is set within an angle range that allows it.

That is, when the front frame is closed and the lock member supporting portion 10 is raised, the lock member 9 is locked by the second pin 9 thereof.
By moving b to the right, the sliding rod swings to the lock position, and when the unlocking operation of the cylinder lock 7 rotates the cam member 8, the lock member 9 swings to the unlocked position. Has been done.

As shown in FIG. 7, the locking device configured as described above exposes the tip of the cylinder lock 7 to the front inside the front frame 21 made of, for example, a synthetic resin in the gaming machine.
The hook members 4 and 5 are vertically mounted using the mounting plate 2 in a state of protruding toward the main body frame 20 side of the gaming machine.

On the other hand, the lock receiving members 23 and 24 are fixed at the upper and lower positions corresponding to the hook members 4 and 5 on the inside of the main body frame 20, and further, the positions facing the inclined portion 10c of the lock member supporting portion 10. Then, the push-up portion 22 is fixed. An inclined surface is formed at the tip of the push-up portion 22, and when the front frame 21 is closed, it hits the inclined portion 10c of the lock member support portion 10 and acts to push it up.

In such a gaming machine locking device, when the front frame 21 of the gaming machine is closed with respect to the main body frame 20, the upper and lower hook members 4 and 5 of the locking device are receiving fittings 2 on the main body frame 20 side.
3, 24 is moved upward, and is returned and locked by the urging force of a coil spring (not shown) to be locked (FIG. 7). At this time, since the push-up portion 22 on the body frame side pushes up the lock member support portion 10, the guide groove 10b moves, and the second pin 9b of the lock member 9 moves to the right in FIG. The member 9 has a protrusion 9c at its tip.
Tilt toward the sliding rod 6 side.

As a result, the protrusion 9c of the lock member 9 enters into the engagement recess 6b of the sliding rod 6 and is engaged therewith, and the movement of the lock member 9 is locked. Therefore, even if the person who intends to unlock the lock inserts a wire or the like through the gap of the front frame and hooks the tip of the wire onto the sliding rod 6 or the hook members 4 and 5 to move it in the unlocking direction, it is moved. It is not possible to prevent unauthorized unlocking.

When the front frame 21 is unlocked, the lock shaft of the cylinder lock 7 is rotated by the key and the cam member 8 is rotated counterclockwise in FIG. 8b moves to the right in FIG. 8 and moves the first pin 9a in the same direction. As a result, as shown in FIG. 8, the lock member 9 pivots clockwise about the second pin 9b, and the projection 9c at the upper part thereof is withdrawn from the engagement recess 6b of the sliding rod 6 to release the lock. To be done. Next, the engaging portion 8 of the cam member 8
a engages with the engaging portion 6a of the sliding rod 6 and slides it upward, and the upper and lower hook members 4 and 5 are tilted downward (FIG. 9).
Such movements of the respective members are continuously performed by the rotation operation of the key of the cylinder lock 7, and the downward tilting of the hook members 4 and 5 causes the lock receiving members 23 and 24 of the main body frame 20 to move. Is disengaged, and the front frame 21 is ready to be opened.

By the way, it is expected that the cylinder lock 7 is inadvertently operated with the front frame 21 open to rotate the cam member 8 to swing the lock member 9. In such a case, as shown in FIG. 6 and FIG.
Since the lock member support portion 10 is in the lowered position, even if the key is turned, the lock member 9 is engaged with the engaging recess 6b of the sliding rod 6.
It only swings outside. Therefore, the lock member 9 does not accidentally enter the engaging recess 6b, and when the front frame 21 is closed and locked in that state, there is no problem that the lock is impossible.

Also, with the front frame 21 closed, insert the key into the cylinder lock 7, try to unlock it, turn it a little, then stop the unlocking operation halfway and return the key to the central position. When the lock shaft 7b is returned to its original position and the cam member 8 is returned to its original locked position in the case of pulling out, each member moves to the positions shown in FIGS. 8 to 7. Therefore, FIG.
As described above, the locking member 9 surely returns to the state in which the sliding rod 6 is locked, and there is no fear that the locking of the sliding rod 6 is accidentally released, and the sliding rod 6 is securely locked. be able to.

In the locking device of the above embodiment, a glass frame locking rod for locking / unlocking the glass frame or a glass frame unlocking rod for unlocking the glass frame is added. You can also do it. In this case, the support plate 3
The glass frame unlocking rod or the glass frame locking rod is slidably disposed inside the mounting plate 2 between the sliding rod 6 and the second engaging portion projecting from the cam member 8. , The key is turned to the left, and when the cam member 8 is rotated in the opposite direction, the second engaging portion thereof is engaged with the glass frame unlocking rod or the glass frame locking rod and is slid downward. , The glass frame can be unlocked.

Further, in the above embodiment, the hook members 4 and 5 are used.
Has a structure in which the pivots 4a and 5a are tiltably supported about the shafts. However, the sliding rod and the hook member are integrally formed, and the sliding rod and the hook member are slid up and down when locking and unlocking. It is also possible to adopt a structure for unlocking / locking.

Further, in the above embodiment, the lock member 9 is provided with the first pin and the second pin, and the cam member 8 and the lock member supporting portion 10 are provided with the cam groove and the guide groove, which are engaged with each other. However, it is also possible to provide a groove on the lock member and provide a pin on the cam member or the support portion.

[0033]

As described above, according to the locking device for a gaming machine of the present invention, when the front frame is closed with respect to the main body frame, the upper and lower hook members abut on the locking receivers on the main body frame side and tilt. Alternatively, the sliding member is locked while sliding to be in the locked state. At this time, the locking member is in the unlocked position, and the sliding rod is slidingly locked to be locked normally. Then, after that, the lock member supporting portion moves the lock member to the lock position by the member provided on the main body frame side, and the sliding rod is locked, so that the person who intends to unlock the lock does not have the clearance of the front frame. Even if a wire or the like is inserted from the position to move the sliding rod or the hook member, the lock member locks the lock and prevents unauthorized unlocking.

[Brief description of drawings]

FIG. 1 is a right side view of a locking device showing an embodiment of the present invention.

FIG. 2 is a rear view thereof.

FIG. 3 is a front view of a lock member support portion.

FIG. 4 is a front view of a lock member.

5A is a front view of a cam member, and FIG. 5B is a development view of the cam surface.

FIG. 6 is a right side view showing a state where the key is inserted into the cylinder lock and turned to the unlocking side with the front frame opened.

FIG. 7 is a right side view with the front frame closed.

FIG. 8 is a right side view showing a state in which the key is inserted into the cylinder lock with the front frame closed and turned slightly toward the unlocking side.

FIG. 9 is a right side view showing a state in which the key is inserted into the cylinder lock with the front frame closed and largely rotated to the unlock side.

[Explanation of symbols]

1-base frame 2-Mounting plate 3-Support plate 4,5-Hook members 6-sliding rod 6a-engagement part 7-cylinder lock 8-cam member 8b-cam groove 9-Lock member 10-Lock member support

─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. ⁷ Identification code FI theme code (reference) E05B 63/14 E05B 63/14 E

Claims (2)

[Claims] 1. A hook member is provided so as to project upward and downward from a support plate of a vertically long base frame composed of a mounting plate and a support plate, and both hook members are provided on a support plate in the base frame. Is formed integrally or integrally with a sliding rod that is slidably disposed along
A cylinder lock is fixed to the mounting plate of the base frame by inserting the lock shaft inside, and a cam member engageable with the sliding rod is fixed to the tip of the lock shaft, and the mounting plate of the base frame is a game. It is vertically mounted on the front frame of the machine, and the hook member is locked to the locking receiver mounted on the main frame side of the gaming machine, the front frame is locked, and the sliding rod is slid to unlock. In a locking device for a gaming machine that locks, a lock member support portion movably attached to an extended portion of the support plate, and a swingable support for the lock member support portion is provided on the sliding rod. A lock member that engages with an engaging portion and locks the movement of the sliding rod, and the cam member and the lock member are set to a lock position in accordance with the rotation of the cam member. The front frame is closed from the open state to the main frame side so that they can be oscillated between the unlocked positions. When in gaming machine locking device, characterized in that the locking member support by member provided to the body frame side is configured to move the locking position the locking member from the unlocked position. 2. The lock member is swingably supported by the lock member support portion, a cam groove is provided on the cam member, and a pin provided on the lock member engages with the cam groove to lock the lock member. 2. The locking device for a gaming machine according to claim 1, wherein another pin provided on the member is structured to engage with a guide groove provided on the lock member supporting portion.