JPH0710798Y2 - Pachinko machine locking device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION <Industrial field of application> The present invention relates to a locking device of a pachinko machine, which is configured so that the cylinder lock can be easily replaced.

<Prior Art> As a locking tool for the front frame that is openably and closably attached to the outer frame of the pachinko machine, there is a locking device that is mounted on the front frame. A cylinder lock is attached at approximately the center, hook members are pivotally supported at the upper and lower ends of the base frame, and a connecting rod that connects these hook members is attached to a cam plate axially attached to the lock shaft of the cylinder lock. Let
The rotation of the cylinder lock actuates the hook member to unlock the front frame of the pachinko machine.

By the way, in this type of locking device, the durability of the cylinder lock is lower than that of the other portions, and the cylinder lock is damaged relatively early due to wear or the like, so it is necessary to replace only the cylinder lock. In addition, the same cylinder lock is generally used for pachinko machines installed in one pachinko playground,
Since it is a structure that unlocks many pachinko machines with one key, if this key is lost or there is a possibility of unauthorized unlocking, it will be necessary to replace all of these cylinder locks. come.

<Problems to be Solved by the Invention> However, in the conventional locking device, the cylinder lock is attached so as to be inserted from the inside of the base frame, and further, it is engaged with the cam plate fixed to the lock shaft of the cylinder lock. Since the engaging claw is provided on the connecting rod so as to cover it from above, the cylinder lock cannot be replaced unless the entire locking device is disassembled.

<Means for Solving the Problems> The present invention has been made in order to solve the above problems, and provides a locking device for a pachinko machine that allows the cylinder lock to be easily replaced from the front of the pachinko machine. With the goal.

For this purpose, the locking device of the pachinko machine of the present invention has a connecting rod slidably disposed along the support plate inside a base frame body integrally formed in an L-shaped cross section by a mounting plate and a support plate. In a locking device of a pachinko machine, both ends of the connecting rod are connected to hook members pivotally supported on both ends of the supporting plate, and the connecting rod is slid to unlock by the operation of a cylinder lock attached to the middle portion of the mounting plate. A lock mounting cylinder is fixed to the outer middle portion of the mounting plate, a rotary shaft protruding inward of the base frame is rotatably mounted on the bottom of the lock mounting cylinder, and a connecting rod is attached to the tip of the rotary shaft on the base frame side. A cam plate that can be engaged with is fixed, an engaging portion is formed at the end of the rotary shaft in the cylinder, and a cylinder lock is engaged in the lock mounting cylinder by engaging the lock shaft with the engaging portion of the rotary shaft. When the cylinder lock is inserted, the locking pin protruding to the outer periphery of the cylinder lock fits into the locking hole provided on the inner wall of the lock mounting cylinder. When the cylinder lock is stopped and mounted in the cylinder, and the cylinder lock is turned by the lock exchange key, the locking pin protruding and locked in the locking hole is pulled into the cylinder lock, and the cylinder lock is locked in the cylinder. Configured to be detached from.

<Operation> When replacing the cylinder lock, insert the lock replacement key into the cylinder lock of the locking device and rotate it. Then, the locking pin on the outer peripheral portion of the cylinder lock is pulled in, the lock with the locking hole in the lock mounting cylinder is released, and the cylinder lock is pulled out from the lock mounting cylinder by pulling the key. Next, with the replacement key inserted into the newly used cylinder lock, that is, with the locking pin retracted, insert the cylinder lock into the lock mounting cylinder, and then lock the locking pin inside the cylinder. Move it to a position that fits the stop hole, return the key, and pull it out of the cylinder lock. With this, the locking pin is locked in the locking hole, the lock shaft of the new cylinder lock is engaged with the rotary shaft, and the new cylinder lock is mounted in the lock mounting cylinder.

<Embodiment> An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a front view of a locking device of a pachinko machine, FIG. 2 is a left side view of the same, FIG. 3 is a bottom view of the same, and 1 is a mounting plate 1a and a supporting plate 1b bent in an L-shaped cross section. It is an integrally molded base frame.

At both ends of the support plate 1b of the base frame 1, hook members 2 for locking and locking the front frame of the pachinko machine to the main frame are pivotally supported by a shaft 3 so as to be swingable in the arrow direction of FIG. Has been done. The lower parts of the hook members 2 on both sides are connected by a connecting rod 4, and the connecting rod 4 is connected by a cam plate 17 which is rotated by the operation of a cylinder lock 15 described later.
Slides and swings the hook members 2 on both sides in the direction of the arrow in FIG. The cam plate 17 has a first protrusion 17 protruding upward.
A second protrusion 17b protruding inward is formed.

The mounting plate 1a of the base frame 1 is formed wide so as to project rearward at substantially the center thereof, and the support plate 1b is also bent so as to project rearward at this portion. A cam plate 17 pivotally attached to the lock shaft of the cylinder lock 15 is arranged in this wide portion of the mounting plate 1a, but a wire or the like is inserted through the gap between the front frame and the main frame of the pachinko machine to unlock the lock illegally. Therefore, the supporting plate 1b near the protruding wide portion is formed wide.

The connecting rod 4 connected between the hook members 2 at both ends is arranged substantially along the support plate 1b, and the engaging piece 4a is bent and formed at substantially the center of the bent portion of the connecting rod 4, and the cam plate 17 At the time of rotation, the engagement piece 4a engages with the first protrusion 17a, and the cam plate 17 is moved to the first position.
By rotating counterclockwise in the figure, the connecting rod 4 slides upward.

Further, the connecting rod 4 is guided so as to slide along the supporting plate 1b by the protrusion 12 provided on the mounting plate 1a. Further, a long hole 19 is bored in an intermediate portion of the connecting rod 4, the pin 5 is fixed to the inside of the support plate 1b through the long hole 19, and the connecting rod 4 slides left and right while being guided by the pin 5. . Further, the connecting rod 4 is urged downward in FIGS. 1 and 2 by the coil spring 16 hung between the connecting rod 1a and the mounting plate 1a, but the pin 5 abuts on the left end of the elongated hole 19 so that the connecting rod 4 is connected. It acts as a stopper when the rod 4 moves downward. On the contrary, it also serves as a stopper when the connecting rod 4 is moved upward.

A substantially central portion of the support plate 1b and a connecting rod 4 arranged along the same.
A glass frame actuating rod 9 is disposed between and. At the upper end of the glass frame operating rod 9, an engaging piece 9a for engaging and unlocking the operating piece of a glass frame locking device (not shown) is provided so as to project outward.

The glass frame actuating rod 9 is biased upward in FIGS. 1 and 2 by a coil spring 18 hung between the glass frame operating rod 9 and the mounting plate 1a. At the position where the glass frame actuating rod 9 faces the cam plate 17,
An engagement hole 9a that engages with the second protrusion 17b of the cam plate is provided,
By rotating the cam plate 17 in the clockwise direction in FIG. 1 by the cylinder lock 15, the glass frame operating rod 9 slides downward.

The cylinder lock 15 is removably mounted by being inserted into the lock mounting cylinder 20 fixed to the mounting plate 1a of the base frame 1 as shown in FIG.

As shown in FIGS. 4 and 5, at the bottom of the lock mounting cylinder 20,
A short rotating shaft 21 is rotatably supported, and a tip of the rotating shaft 21 penetrates through the mounting plate 1a and projects to the inside of the base frame body 1, and a cam plate 17 is fixed to the tip. An engaging hole 21a having a rectangular cross section is formed at the end of the rotary shaft 21 on the inner side of the cylinder.

A lock hole 20a is formed in the inner wall of the lock attachment cylinder 20 to which a lock pin protruding from a cylinder lock described later is locked.

The cylinder lock 15 is a lock having a structure in which magnet tumbler pins or tumbler pins are arranged in the axial direction, that is, around the lock shaft, and the end of the lock shaft 22 projects from the end of the lock body. The protruding lock shaft 22 has an engaging hole 20a for the rotary shaft 21 in the lock mounting cylinder 20.
It has a rectangular cross section so that it can be inserted into and engaged with.

In addition, the cylinder lock 15 is provided with a locking pin 23 that protrudes from the outer peripheral portion of the cylinder lock 15 when it is inserted and turned, and is fitted into and locked in the locking hole 20a of the lock mounting cylinder 20. . The locking pin 23 is provided at a predetermined position on the outer peripheral portion of the cylinder lock 15 so as to be projectable / retractable, and has a structure in which it is projected by a locking pin operating cam that operates when the lock shaft is rotated by the lock replacement key.

For example, one specific tumbler pin of a cylinder lock is used to operate this locking pin 23, and when the lock replacement key is inserted, the tumbler pin moves to a predetermined position,
By the movement of the tumbler pin, the locking pin operating cam provided in the lock body is moved to the operating position.

The locking device thus configured is attached to the vertical rail of the front frame of the pachinko machine by screwing the mounting plate 1a thereof, and the receiving member of the hook member 2 is fixed to the main frame side. Also, the glass frame locking device is attached to the inner surface of the front frame (not shown),
The locking piece attached to the glass frame is locked by locking it in the groove of the locking device, and the operating piece of the locking device is moved by the operation of the engaging piece 9a of the operating rod 9 for the glass frame to unlock it. .

To open the front frame, insert the key into the cylinder lock 15 and rotate it to rotate the cam plate 17 counterclockwise in FIG. Then,
The first protrusion 17a of the cam plate 17 engages with the engagement piece 4a to move the connecting rod 4 upward. As a result, the hook member 2 pivotally supported at both ends of the support plate 1b tilts in the direction of the arrow in FIG. 2 to disengage from the unillustrated receiver, and the front frame is unlocked.

On the other hand, when unlocking the glass frame, the cylinder lock 15 is operated in the opposite direction to rotate the cam plate 17 clockwise in FIG. Then, the second protrusion 17b of the cam plate 17 rotates in the same direction, engages with the engagement hole 9b of the glass frame actuating rod 9, and moves it downward. Therefore, the engagement piece 9a protruding from the glass frame operating rod 9 moves the operating piece of the glass frame locking device (not shown), and the glass frame is unlocked.

When replacing the cylinder lock 15, insert the specified lock replacement key into the cylinder lock 15 and turn. Then, the locking pin 23 on the outer peripheral portion of the cylinder lock 15 is pulled in, and the locking hole 20a in the lock mounting cylinder 20 is pulled in.
The lock is released, and the cylinder lock 15 is pulled out from the lock mounting cylinder 20 by pulling the key.

Next, with the replacement key inserted into the newly used cylinder lock 15, that is, with the locking pin 23 retracted,
Insert the cylinder lock 15 into the lock mounting cylinder 20, and
Moves to a position where it fits into the locking hole 20a in the cylinder, returns the key, and pulls it out of the cylinder lock 15. With this, the locking pin 23 is locked in the locking hole 20a, the lock shaft 22 of the new cylinder lock 15 is engaged with the engagement hole 21a of the rotary shaft 21, and the cylinder lock 15 is inserted into the lock mounting cylinder 20. It is installed correctly.

<Effects of the Invention> As described above, according to the locking device of the pachinko machine of the present invention, the lock mounting cylinder is fixed to the outer middle portion of the mounting plate, and the bottom of the lock mounting cylinder has the inner side of the base frame body. A rotating shaft protruding to the inside is rotatably mounted, a cam plate that can be engaged with the connecting rod is fixed to the end of the rotating shaft on the base frame side, and an engaging portion is formed at the end of the rotating shaft in the cylinder. A cylinder lock is inserted into the cylinder by engaging the lock shaft of the cylinder with the engaging portion of the rotary shaft, and the cylinder lock has a locking pin protruding on the outer periphery of the cylinder lock. When the cylinder lock is locked in the hole and mounted in the cylinder, and the cylinder lock is turned by the lock replacement key, the locking pin that protrudes and is locked in the locking hole is pulled into the engaged cylinder lock, Since it is configured to be detached from the lock mounting cylinder, use the lock replacement key from the front of the pachinko machine. The cylinder lock can be easily replaced.

[Brief description of drawings]

1 shows an embodiment of the present invention, FIG. 1 is a front view of a locking device for a pachinko machine, FIG. 2 is a left side view of the same, FIG. 3 is a bottom view of the same, and FIG. 4 is an exploded perspective view when replacing a cylinder lock. 5 and 5 are cross-sectional views around the lock mounting cylinder. 1 ... Base frame, 1a ... Mounting plate, 1b ... Support plate, 2 ... Hook member, 4 ... Connection rod, 15 ... Cylinder lock, 20 ... Lock mounting tube, 20a ... Locking hole , 21 ... Rotary axis, 22 ... Lock axis, 23 ...
… Locking pin.

Claims (1)

[Scope of utility model registration request] 1. A connecting rod is slidably disposed along the supporting plate inside a base frame integrally formed by an attachment plate and a supporting plate in an L-shaped cross section, and both ends of the connecting rod are supported by the supporting rod. In a locking device of a pachinko machine, which is connected to a hook member pivotally supported at both ends of the plate and unlocks by sliding the connecting rod by the operation of a cylinder lock attached to an intermediate portion of the mounting plate, A lock mounting cylinder is fixed to the outer middle part, and a rotary shaft projecting inward of the base frame is rotatably mounted on the bottom of the lock mounting cylinder, and the connecting shaft is attached to the end of the rotary shaft on the base frame side. A cam plate engageable with the rod is fixed, and an engaging portion is formed at an end of the rotary shaft in the cylinder. A cylinder lock is provided in the lock mounting cylinder so that the lock shaft serves as an engaging portion of the rotary shaft. A locking pin that is inserted into the cylinder lock by projecting to the outer peripheral portion of the cylinder lock is provided on the inner wall of the lock mounting cylinder. When the cylinder lock is locked by the hole and mounted in the cylinder, and the cylinder lock is turned by the lock exchange key, the locking pin that protrudes and is locked in the locking hole is pulled into the cylinder lock, A locking device for a pachinko machine, which is configured to be detachable from the lock mounting cylinder.