JP4220712B2 - Pachinko machine locking device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a locking device used in a pachinko machine, and in particular, a locking device for a pachinko machine that can effectively prevent unauthorized unlocking by inserting a wire or the like from a gap between a front frame and a main body frame and moving a scissors member. About.
[0002]
[Prior art]
As a locking device for pachinko machines, it is mounted vertically inside the front frame to lock the front frame (front door) attached to the front of the main frame of the pachinko machine via a hinge so that it can be opened and closed. 2. Description of the Related Art Conventionally, a locking device that locks a hook-like hook member by locking a hook attached to a hook is generally used.
[0003]
This locking device usually has a vertically long base frame formed by mounting and mounting a support plate and a support plate in a substantially L-shaped or U-shaped cross section, and can be tilted on the upper and lower portions of the support plate. The upper and lower saddle members are connected by an interlocking rod that is pivotally supported and slidably disposed within the base frame body, and a cylinder lock is attached to the middle part of the mounting plate of the base frame body and attached to the tip of the lock shaft. The cam plate is connected to the connecting rod, the cam plate is rotated by the key operation of the cylinder lock, and the upper and lower flange members are tilted downward via the interlocking rod to unlock the structure. In addition, a coil spring that urges the hook member toward the locking side is hooked on the connecting rod, and when the front frame is closed with respect to the main body frame, the hook member is tilted against the edge of the receiving bracket, The wing member returns to the locking position by the urging force of the coil spring and operates so as to be locked.
[0004]
[Problems to be solved by the invention]
By the way, as for this type of pachinko machine, in recent years, a model in which a lot of balls are paid out is popular when a big hit prize is achieved, and many pachinko machines that produce a big hit prize are manufactured. However, since the probability of winning the jackpot is usually determined by the program in the control circuit and the data in the memory, the front frame of the pachinko machine is illegally used regardless of whether the game hall is operating or not operating. Opening, replacing circuit parts in the control circuit with unauthorized parts, and playing a game under advantageous conditions, illegal acts that illegally obtain a lot of balls are generated.
[0005]
Almost all pachinko machines are equipped with a locking device as described above. If the locking device is not unlocked by operating the cylinder lock using a normal key, the front frame of the pachinko machine will be , Almost impossible to open. However, a wire or the like is inserted through a gap between the front frame and the main body frame, and the connecting rod or the hook member is moved to perform unauthorized unlocking, which causes a problem of the above-described unauthorized acts.
[0006]
For this reason, conventionally, in a locking device that locks the front frame of a pachinko machine, the interlocking rod that connects the hook member is locked by the unauthorized unlocking prohibition mechanism and the clutch mechanism in a state where the front frame is locked by the hook member. Japanese Patent Application Laid-Open No. 2001-38026 proposes a locking device that prevents correct unlocking. However, the conventional locking device of the pachinko machine has a complicated structure of the unauthorized unlocking prohibition mechanism and the clutch mechanism, so that the number of parts is increased, the number of parts is large, and the number of parts is increased during assembly work. There are problems such as requiring more man-hours.
[0007]
Further, in JP 2001-342763 A and the like, even when the upper hook member and the lower hook member can be tilted independently, even when either one hook member is hooked with a wire or the like and tilted. A locking device that prevents unauthorized unlocking using a wire or the like while preventing the other hook member from interlocking has been proposed, but this type of locking device is structurally a hook member and a connecting hook that connects the hook member. However, since it is arranged near the opening gap between the front frame and the main body frame of the pachinko machine, there is a risk of unauthorized unlocking with a wire or the like.
[0008]
The present invention has been made in view of the above points, and an object of the present invention is to provide a locking device for a pachinko machine that can prevent unauthorized unlocking with a simple mechanism.
[0009]
[Means for Solving the Problems]
To achieve the above object, the locking device of the pachinko machine according to claim 1 of the present invention, the mounting plate and the support plate and the have the cross-section L-shaped or U-shaped cross section which is formed in the base frame of the supporting plate the top and bottom, hook member is pivotally supported tiltably via a pivot, associated rod along the support plate is arranged slidably in the vertical only engages with the movement of the unidirectional interlocking rod The hook member is disposed so as to be tiltable to the unlocking side, and the cylinder lock is attached to a part of the mounting plate with the lock shaft facing the inside of the base frame, and the cam plate is engaged with the interlocking hook on the lock shaft of the cylinder lock. When the force in the unlocking direction is applied to the upper and lower collar members, the upper and lower collar members can be tilted independently, and the upper and lower collar members and the interlocking collar are supported. is located outside of the plate, the upper hook member and the lower the hook member of the formed elongated hole, fixed guide pin on the support plate is a long hole The guide rod is inserted and guided to tilt, and a guide pin is inserted into a long hole provided in the interlock rod to guide the slide of the interlock rod. When the interlock rod is operated, the interlock rod and the upper and lower rod members are guided. And a cover part that covers the bent part from the inside of the support plate is provided at a position corresponding to the bent part of the interlocking bar on the support plate. characterized in that was.
[0010]
According to a second aspect of the present invention, in the first aspect of the present invention, the glass frame locking rod having the upper and lower collar portions in the base frame body is slidable with the collar portion protruding from the mounting plate to the front side. The glass frame locking rod is provided with an engaging portion that can be engaged with the cam plate, and the glass frame locking rod is locked to the locking portion provided on the glass frame side to lock the glass frame. Configured to be.
[0013]
[Action]
In the locking device having the above configuration, when the front frame is closed with respect to the main body frame, the upper and lower hook members of the locking device on the front frame side are locked and locked to the receiving metal fitting on the main body frame side. At this time, since the upper and lower hook members can be tilted independently, when the hook member is closed, the hook member easily tilts and is locked and locked. When unlocking the front frame, when the key is inserted into the cylinder lock and turned to the right, the cam plate rotates with the lock shaft, and its engaging part engages with the interlocking rod and slides in the unlocking direction. Let At this time, the upper and lower bent parts of the interlocking rod push the edges of the upper and lower collar members, and the upper and lower collar members tilt in the unlocking direction about the pivot axis, The engagement is released and unlocked.
[0014]
The upper and lower hook members tilt independently in the unlocking direction when a force is applied in the unlocking direction, so unauthorized unlocking is performed by inserting a wire etc. through the gap between the main body frame of the pachinko machine and the front frame. Then, it is difficult to pull the upper and lower heel members in the unlocking direction at the same time. Even if you try to unlock only one of the heel members in the unlocking direction, unlocking is impossible. Locking can be prevented.
[0015]
In addition, when the interlocking rod is slid in the unlocking direction, the upper and lower hook members are tilted in the unlocking direction by the sliding of the interlocking rod, so that the unlocking can be performed. Since the wire inserted from the gap between the main body frame and the front frame is located outside the support plate, it is difficult to slide the interlocking rod or hook member with a wire, etc. Can be prevented.
[0016]
Further, the bent portion associated rod and hook member is engaged, since covered by a portion of the cover portion of the support plate, that its bent portion becomes difficult to draw such a wire, to prevent further non unlocking it can.
[0017]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings. 1 is a front view of a locking device used in a pachinko machine, FIG. 2 is a right side view thereof, FIG. 3 is a rear view thereof, and FIG. 4 is a left side view thereof. This locking device has a vertically long base frame 1 in which a mounting plate 2 and a supporting plate 3 are formed in an L-shaped cross-section or a U-shaped cross-section, and hook-shaped hook members 5 on the upper and lower portions of the supporting plate 3, 6 is pivotally supported at its ends via pivots 7,8.
[0018]
As shown in the exploded view of FIG. 5, elongated holes 5a and 6a are formed in the middle part of the flange members 5 and 6, and the edge portions of the flange members 5 and 6 are bent inward. Thus, the protrusions 5b and 6b are projected, and the protrusions 5b and 6b enter the guide holes 3c and 3d provided at the corresponding positions of the support plate 3 and are guided so as to tilt within a certain angle range. On the other hand, a belt-like interlocking rod 4 is slidably disposed outside the support plate 3. A cut-and-raised portion 3 e is formed on the support plate 3 by bending outward, and the interlocking rod 4 is slidably held by the cut-and-raised portion 3 e and the upper and lower guide pins 13 and 14.
[0019]
The upper and lower guide pins 13 and 14 are fixed to the outer surface of the support plate 3 in the vicinity of the flange members 5 and 6, and the guide pins 13 and 14 are inserted into the long holes 4 a and 4 b provided at the upper and lower ends of the interlocking rod 4. 14 is inserted, and the guide pins 13 and 14 are also inserted into the long holes 5a and 6a provided in the flange members 5 and 6, and the guide pins 13 and 14 slide the interlocked rod 4 and the flange members 5 and 6 respectively. 6 tilts are guided.
[0020]
By the way, the upper and lower flange members 5 and 6 are not connected to the interlocking rod 4 so that they can be tilted independently when receiving an external force in the unlocking direction. That is, bent portions 4c and 4d bent inwardly at the upper and lower portions of the interlocking rod 4 are provided opposite to the edge portions of the flange members 5 and 6, and the bent portions 4c and 4d are slid upwardly of the interlocking rod 4. When moving, the hook members 5 and 6 are respectively engaged with the edges of the hook members 5 and 6 to tilt the hook members 5 and 6 upward.
[0021]
The upper and lower saddle members 5 and 6 and the interlocking rod 4 are arranged outside the support plate 3, so that even when a wire or the like is inserted from the gap of the pachinko machine, the wire or the like can be connected to the rod members 5 and 6 or the interlocking rod. less likely to reach the 4, it is less likely to unauthorized unlocking. Further, bent portions 4c provided on the lower end portion of the associated rod 4, 4d are hooked like wire that is inserted from the inside of the support plate 3, so as not to unauthorized unlocking, cover the top and bottom of the support plate 3 The parts 3a and 3b are provided, and the bent parts 4c and 4d of the interlocking rod 4 are covered by the cover parts 3a and 3b. Coil springs 16, 18 are stretched between the end portions of the flange members 5, 6 and the support plate 3, and the flange members 5, 6 are always urged downward by the coil springs 16, 18.
[0022]
When the flange members 5 and 6 are tilted upward, they are tilted against the urging force of the coil springs 16 and 18. Further, the flange members 5 and 6 urged downward by the coil springs 16 and 18 have their protrusions 5b and 6b abutting against the edges of the guide holes 3c and 3d of the support plate 3 and stopped at a substantially horizontal position. Further, a long hole-like engagement portion 4e that can be engaged with a cam plate 9 described later is provided below the interlocking rod 4, and the interlocking rod 4 is always a coil spring for urging it downward. 17 is hung between a glass frame locking rod 12 described later.
[0023]
A wide portion is provided near the lower portion of the mounting plate 2 of the base frame body 1, and the cylinder lock 10 is attached thereto in a form protruding to the front surface. The cylinder lock 10 is formed in a deformed cylindrical shape, has a large flange portion at the end, is inserted from the inside into a deformed hole formed in the mounting plate 2, and the flange portion is fixed to the inner side of the mounting plate 2 with a screw. And attached. The end of the lock shaft of the cylinder lock 10 protrudes inward through the flange portion, and the cam plate 9 is fixed to the tip thereof.
[0024]
As shown in FIG. 3, the cam plate 9 is formed with a first engagement portion 9a and a second engagement portion 9b. When the cam plate 9 is rotated counterclockwise in FIG. 3, the first engaging portion 9a can be engaged with the engaging portion 4e provided in a part of the interlocking rod 4, and in the clockwise direction in FIG. When rotated, the second engaging portion 9b can be engaged with a long hole-like engaging portion 12c of a glass frame locking rod 12 described later.
[0025]
A glass frame locking rod 12 for locking the glass frame is slidably disposed inside the base frame body 1 and is supported so as to be slidable up and down by engagement of a guide pin and a long hole. The glass frame locking bar 12 is provided with hooks 12a and 12b with its front face facing the upper and lower parts, and further, an operation part 12d for manual operation is provided protruding from the rear side at the intermediate part.
[0026]
The flange portions 12a and 12b protrude forward from long holes 2a and 2b provided in the upper and lower portions of the mounting plate 2 of the base frame body 1, and in this state, the glass frame locking rod 12 is slidably mounted vertically. . Long hole-shaped engaging portion 12c provided in the lower portion of the glass frame locking rod 12 is engageable with the second engaging portion 9 b of the cam plate 9, times to the left lock axis of the cylinder lock 10 by a key operation When this occurs, the glass frame locking bar 12 slides downward as the cam plate 9 rotates, and the glass frame is unlocked. The coil spring 17 is stretched between the glass frame locking rod 12 and the interlocking rod 4, and the interlocking rod 4 is always urged downward (locking direction) by the spring force of the coil spring 17. The coil spring 17 is always biased upward (locking direction).
[0027]
As shown in FIG. 9, the locking device configured in this manner has the front end of the cylinder lock 10 at the front edge of the rectangular opening inside the front frame 21 that can be opened and closed on the main body frame 20 of the pachinko machine. With the mounting plate 2 in a posture in which the flange members 5 and 6 are directed to the body frame 20 side and the flange portions 12a and 12b of the glass frame locking rod 12 are projected into the recesses for the glass frame on the front side. Mounted on.
[0028]
On the other hand, receiving brackets 24 and 25 are fixed at the upper and lower positions corresponding to the flange members 5 and 6 inside the main body frame 20. Further, a glass frame 22 fitted with glass is attached in a metal frame attached in the opening of the front frame 21 so that the hinge can be opened and closed, and the glass frame locking bar 12 is attached to the free end of the glass frame 22. Locking portions 26 and 27 that can lock the flange portions 12a and 12b are provided. That is, when the glass frame 22 is closed, the free end portion covers the front surface of the locking device on the front frame side, and the locking portions 26 and 27 can be locked to the flange portions 12a and 12b.
[0029]
When the front frame 21 of the pachinko machine is closed with respect to the main body frame 20, as shown in FIG. 9, the upper and lower hook members 5 and 6 of the locking device are tilted upward against the receiving brackets 24 and 25 on the main body frame 20 side. After that, it is returned and locked by the urging force of the coil spring 16.18 to be locked. At this time, the interlocking rod 4 does not move, and the upper and lower rod members 5 and 6 are tilted independently and locked in a locked state. Since the load is small, it moves extremely lightly and can be securely locked with a light operation.
[0030]
On the other hand, when the glass frame 22 is closed in the metal frame of the front frame 21, the locking portions 26 and 27 in the glass frame 22 hit the flange portions 12a and 12b of the glass frame locking rod 12 and slide them downward. while closed, the glass frame lock lever 1 2 returns upward by the biasing force of the coil spring 17. Thereby, the latching | locking parts 26 and 27 are latched by the collar parts 12a and 12b, and the glass frame 22 will be in a locked state.
[0031]
When the glass frame 22 is unlocked, a key is inserted into the cylinder lock 10 and turned counterclockwise to rotate the cam plate 9 clockwise in FIG. Engages with the engaging portion 12c of the glass frame locking rod 12, slides it downward, and slides the upper and lower flange portions 12a, 12b downward. By this operation, the engaging portions 26 and 27 of the glass frame 22 are disengaged from the flange portions 12a and 12b, and the glass frame 22 is unlocked.
[0032]
When unlocking the front frame 21, as shown in FIG. 9, the key is inserted into the cylinder lock 10 and turned to the right, and the cam plate 9 is rotated counterclockwise in FIG. By this operation, the first engaging portion 9a of the cam plate 9 engages with the engaging portion 4e of the interlocking rod 4 and slides it upward. When the interlocking rod 4 slides, the bent portions 4c and 4d The edges of the upper and lower flange members 5 and 6 are pushed upward and tilted upward. By the tilting of the flange members 5 and 6, the engagement of the main body frame 20 with the metal fittings 24 and 25 is released, and the front frame 21 becomes openable.
[0033]
On the other hand, in a pachinko machine, there is a case where a wire or the like is inserted through a gap between the main body frame 20 and the front frame 21 to be illegally unlocked. Since the locking device is attached to the free end of the right end of the front frame 21 toward the front of the pachinko machine, a wire or the like is inserted through the gap on the right side of the pachinko machine, and the hook members 5 and 6 are interlocked with the tip. The hook 4 is hooked and slid in the unlocking direction, and unauthorized unlocking is easily performed.
[0034]
However, in this locking device, the interlocking rod 4 and the flange members 5 and 6 are disposed outside the support plate 3 of the base frame body 1 (on the left side when facing the front of the locking device). The wire inserted from the gap is difficult to reach the interlocking rod 4 and the rod members 5 and 6 with the support plate 3 serving as a wall, and can prevent unauthorized unlocking.
[0035]
Further, the upper hook member 5 and the lower hook member 6 can be tilted independently, and even when one hook member is hooked with a wire or the like and tilted in the unlocking direction, the other hook member is Since the locked state is maintained, unauthorized unlocking can be prevented. Further, the bent portions 4c and 4d for engaging the interlocking rod 4 and the rod members 5 and 6 are covered by the cover portions 3a and 3b of the support plate 3 when viewed from the right side of the front, Unauthorized unlocking by hooking with a wire is also impossible.
[0036]
Thus, unauthorized unlocking performed by inserting a wire or the like through the gap between the main body frame 20 and the front frame 21 can be prevented with a simple configuration.
[0037]
【The invention's effect】
As described above, according to the locking device of the present invention, the interlocking rod and the hook member are disposed outside the support plate to which the wire inserted from the gap between the main body frame and the front frame is difficult to reach. With a wire or the like inserted from a gap in the vicinity, the support plate becomes a wall, and it becomes difficult to hook and slide the interlocking rod or the hook member, so that unauthorized unlocking by the wire or the like can be prevented. In addition, when force is applied in the unlocking direction to the upper and lower hook members, the upper and lower flange members are tilted independently in the unlocking direction, so that it is not possible to insert a wire or the like through the gap between the main body frame and the front frame of the pachinko machine. With correct unlocking, it is difficult to pull the upper and lower hook members simultaneously in the unlocking direction. Even if only one hook member is pulled in the unlocking direction and unlocking is impossible, unlocking is impossible. Locking can be prevented.
[Brief description of the drawings]
FIG. 1 is a front view of a locking device showing an embodiment of the present invention.
FIG. 2 is a right side view of the locking device.
FIG. 3 is a rear view of the locking device.
FIG. 4 is a left side view of the locking device.
FIG. 5 is an exploded right side view of the locking device.
FIG. 6 is an exploded left side view of the locking device.
7A is a partial left side view of the state in which the upper collar member is tilted, and FIG. 7B is a partial left side view of the state in which the lower collar member is tilted.
8A is a partial perspective view showing details of the periphery of the lower flange member, and FIG. 8B is a partial perspective view showing details of the periphery of the upper flange member.
FIG. 9 is a right side view of the locking device showing a use state.
[Explanation of symbols]
1-base frame 2-mounting plate 3-support plate 4-interlocking rod 4c, 4d-bent portion 5, 6-member 9-cam plate 10-cylinder lock 12-glass frame locking rod 20-main body frame 21-front surface Frame 22-Glass frame

Claims (2)

The top and bottom of the supporting plate of the mounting plate and the support plate and the has an L-shaped or U-shaped cross-section which is formed in the base frame member, hook member is tiltably pivotally supported via a pivot, the support An interlocking rod is slidably disposed along the plate, and the upper and lower flange members are disposed so as to be tiltable toward the unlocking side by engaging only in one direction of movement of the interlocking rod. A part of the cylinder lock is attached with its lock shaft facing the inside of the base frame, and a cam plate is attached to the lock shaft of the cylinder lock so as to be able to engage with the interlocking rod, and the unlocking direction is attached to the upper and lower hook members. When the force is applied, the upper hook member and the lower hook member are configured to be independently tiltable, and the upper and lower hook members and the interlocking rod are disposed outside the support plate , An elongate hole is formed in the eave member and the lower eave member, and a guide pin fixed to the support plate is inserted into the elongate hole to guide the tilting of the eave member. At the same time, the guide pin is inserted into a long hole provided in the interlocking rod to guide the sliding of the interlocking rod. When the interlocking rod is operated, the interlocking rod and the upper and lower flange members are connected to each other. A cover that covers the bent portion from the inside of the support plate is provided at a position corresponding to the bent portion of the interlocking rod on the support plate, which is engaged by a bent portion that is partially bent and the edge of the flange member. A locking device for a pachinko machine characterized by that.   A glass frame locking rod having a flange portion in the base frame body is slidably disposed with the flange portion protruding from the mounting plate to the front side, and the glass frame locking rod is engaged with the cam plate. The engaging part which can be matched is provided, The collar part of this glass frame locking hook is latched by the latching part provided in this glass frame side, It comprised so that this glass frame might be locked. Locking device for pachinko machines.

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