JP3250009B2 - Locking device for pachinko machines - Google Patents

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 a pachinko machine for locking a front frame of a pachinko machine to a main body frame and for locking a glass frame openably and closably mounted in the front frame to the front frame. About.

[0002]

2. Description of the Related Art As a locking device for locking a front frame of a pachinko machine with respect to a main body frame, a sliding rod is slidably disposed inside a base frame having an L-shaped cross section mounting plate and a supporting plate. A hook member is connected to a sliding rod at an upper portion and a lower portion of the support plate, and is pivotally supported so as to be tiltable. A cylinder lock is inserted into a middle portion of the mounting plate inwardly from a hole provided in the mounting plate with its lock shaft. A locking device in which a cam plate engaged with a sliding rod is fixed to the tip of a lock shaft is generally used (for example, Japanese Utility Model Publication No.
-8867 and the like).

[0003]

On the other hand, a glass frame fitted with glass is mounted in the front frame of the pachinko machine so as to be openable and closable. This type of locking device locks the glass frame. There is no locking device for the glass frame, and an operating rod with an operating piece for simply unlocking the locking device for the glass frame,
Only a mechanism is provided in the base frame of the locking device and slides the operating rod by rotation of the cam plate by the cylinder lock.

For this reason, it is necessary to separately mount the glass frame locking device inside the front frame. In this case, a lot of man-hours are required for the mounting work, and the operating piece on the locking device side is connected to the glass frame locking device side. It is necessary to adjust the position so as to match with the receiving device, and there is a problem that the adjusting work at the time of mounting requires a lot of man-hours.

[0005] For this reason, Japanese Patent Laid-Open Publication No.
Japanese Patent Laid-Open Publication No. H11-163873 proposes a locking device for a pachinko machine in which a locking device for a front frame and a locking device for a glass frame are incorporated in one base frame.

In this locking device, a hook member for locking the glass frame is pivotally supported on the upper and lower portions outside the support plate so as to be tiltable, and both hook members are connected by a sliding rod for locking the glass frame. A part of the sliding rod is extended to a position where it can engage with the cam plate inside the support plate, and the sliding rod for locking the glass frame slides by rotating the cam plate by the cylinder lock to the opposite side. This causes the hook member for the glass frame to tilt, thereby unlocking the glass frame. For this reason, the structure becomes complicated,
There has been a problem that the number of parts increases and the base frame becomes large.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problem, and has a locking device for a front frame, in which a locking device for a glass frame is incorporated, and a locking device for a pachinko machine which has a simple structure and can be downsized. It is intended to provide a device.

[0008]

In order to achieve the above-mentioned object, a locking device according to the present invention is characterized in that a hook portion is integrally formed on an upper portion and a lower portion inside a vertically long base frame including a mounting plate and a support plate. The provided sliding rod is slidably disposed, the cylinder lock is fixed to the mounting plate of the base frame so that the lock shaft is inserted inward, and a cam plate engaged with the sliding rod at the tip of the lock shaft. Is fixed, the mounting plate of the base frame is vertically attached to the front frame of the pachinko machine, and the hook is locked by a receiving bracket attached to the main frame side of the pachinko machine, and the front frame is locked. In the locking device, a glass frame locking rod integrally formed by projecting a glass frame hook portion at an upper portion and a lower portion is slidable along a mounting plate in a base frame.
In addition, the glass frame hook is disposed so as to protrude forward from the mounting plate, and a plurality of long holes are formed in the glass frame locking rod.
A guide pin with a head fixed to the attachment plate is passed through the long hole, an engagement portion with which a cam plate is engageable is provided on a part of the locking lever of the glass frame , and an engagement portion provided inside the glass frame of the pachinko machine. The glass frame hook is locked to the stop, the glass frame is locked, and the cylinder lock is turned in the opposite direction to the unlocking of the front frame to rotate the cam plate in the same direction, thereby locking the glass frame locking rod. The glass frame is unlocked by sliding to release the engagement between the hook portion and the locking portion of the glass frame.

[0009]

Operation and effect of the present invention In the locking device having such a configuration,
When the front frame is closed with respect to the main body frame, the upper and lower hooks of the locking device are locked while sliding against the receiving bracket on the main body frame side,
It becomes locked.

When unlocking it, turning the cylinder lock with a key and rotating the cam plate causes the cam plate to engage with the sliding rod and slide it, causing the upper and lower hooks to move. As a result, the engagement of the main frame with the receiving fitting is released, and the front frame becomes openable.

On the other hand, when the glass frame in the front frame is closed with respect to the front frame, the locking portion of the glass frame hits the inclined surface of the glass frame hook of the locking device attached to the front frame, and the glass frame hook is moved. By returning to the original position while sliding with the glass frame locking rod, the glass frame hook is locked by the locking portion, and the glass frame is in a locked state.

When unlocking the glass frame, the key of the cylinder lock is turned in the opposite direction to rotate the cam plate in the same direction.
At this time, the engaging projection of the cam plate engages with the engaging portion of the glass frame locking rod to slide it. By the sliding of the glass frame locking rod, the engagement between the hook portion and the locking portion of the glass frame is released, and the glass frame is unlocked.

As described above, since the glass frame locking rod constituting the glass frame locking device is disposed in the base frame, there is no need to separately mount the glass frame locking device, and the mounting operation can be easily performed. And no adjustment work with the locking device for the glass frame is required. Further, since the glass frame locking rod is slidably disposed in the base frame, and the glass frame hook provided on the glass frame locking rod is locked to the locking portion on the glass frame side, the conventional one is used. The size can be reduced, and the number of parts can be reduced. Further, a hook is formed integrally with the sliding rod, and a glass frame hook is also formed integrally with the glass frame locking rod, and both the hook and the glass frame hook slide (move) up and down. Since locking and unlocking are performed, the structure is simple and a strong structure can be obtained.

[0014]

Embodiments of the present invention will be described below with reference to the drawings. 1 is a front view of the locking device, FIG. 2 is a left side view thereof, FIG. 3 is a right side view thereof, and FIG. 4 is a rear view thereof. Reference numeral 1 denotes a vertically long base frame formed by bending the mounting plate 2 and the supporting plate 3 at a substantially right angle and integrally forming the mounting plate 2. The mounting plate 2 is provided with a plurality of mounting holes.

A sliding rod 6 integrally provided with hooks 4 and 5 at an upper portion and a lower portion is arranged so as to be slidable up and down. Each of the hooks 4 and 5 has a triangular head, and has an engaging recess at the middle thereof facing downward. In addition, a guide portion 3c for slidably guiding the hooks 4, 5 is formed by bending a part of the support plate 3 inward and providing a slit there.

Two elongated holes 3b are formed in the support plate 3, and a guide pin 6a with a head is passed through the elongated hole 3b and the tip is fixed to the sliding rod 6. It is slidably supported in a predetermined range. An engagement portion 17 is formed below the sliding rod 6 to be engaged with a first engagement projection 8a of the cam plate 8 described below. A coil spring 9c is hung between the mounting plate 2 and the sliding rod 6, and the sliding rod 6 is constantly urged downward by this spring. The sliding rod 6 having the hooks 4 and 5 at the upper and lower portions constitutes a locking mechanism for the front frame of the pachinko machine.

A deformed hole for mounting the cylinder lock 7 is formed in a widened portion at the lower portion of the mounting plate 2.
Into the base frame 1 and fix it there. The cylinder lock 7 has a flange 7a at its base, and the flange 7a is fixed to the inside of the mounting plate 2 with a fixing screw so that the lock shaft is inserted inside the base frame 1.

The lock shaft of the cylinder lock 7 has a first engaging projection 8a.
And the cam plate 8 having the second engagement projection 8b is fixed. FIG.
When the cam plate 8 is rotated in the counterclockwise direction, the first engaging projection 8a of the cam plate engages with the engaging portion 17 of the sliding rod 6, and slides the sliding rod 6 upward. The hooks 4, 5 are slid upward.

Further, a vertically long glass frame locking rod 10 is slidably disposed inside the mounting plate 2 along the longitudinal direction. The glass frame locking rod 10 is, as shown in FIGS.
Glass frame hooks 12 and 13 protrude from the upper and lower portions of the band-shaped metal, and an engaging portion 14 that can be engaged with the second engaging convex portion 8b of the cam plate 8 is provided below. The upper and lower glass frame hooks 12 and 13 have substantially triangular heads and are formed so as to be lockable with locking portions 26 and 27 provided on the glass frame described later. Is provided with an operation section 15 for manual operation. The operation unit 15 is provided on the support plate 3 of the base frame 1.
Is provided so as to protrude outward from the opening 3a formed at the bottom.

A long hole 2a for inserting the glass frame hook 12 is formed in the upper part of the mounting plate 2 of the base frame 1, and the glass frame hook 12 projects forward from the long hole 2a. In addition, an opening 2b through which the glass frame hook 13 is inserted is formed below the mounting plate 2, and the glass frame hook 13 projects forward from the opening 2b. A plurality of long holes 10 c are formed in the glass frame locking rod 10, and a guide pin 2 c with a head is passed through each long hole, and the tip is fixed on the mounting plate 2.

As a result, the guide frame locking rod 10 is supported on the mounting plate 2 so as to be vertically slidable within a predetermined range.
A coil spring 9b is hung between the glass frame locking rod 10 and the mounting plate 2, and a coil spring 9a is hung between the glass frame locking rod 10 and the sliding rod 6, whereby the glass frame locking rod 10 is raised. It is energized to.

As shown in FIG. 6, 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 a pachinko machine. 5 is mounted vertically using the mounting plate 2 in a state of protruding toward the body frame 20 of the pachinko machine.

On the other hand, receiving metal fittings 24, 25 are fixed at the upper and lower positions corresponding to the hooks 4, 5 inside the main body frame 20. Further, a glass frame 22 is attached to the front of the pachinko machine at the opening of the front frame 21 via a hinge so as to be openable and closable, and at the free end of the glass frame 22 and the glass frame hook of the glass frame locking rod 10. Locking portions 26 and 27 to which the locks 12 and 13 can be locked are attached. The locking portions 26 and 27
Is formed in such a manner that a metal plate is passed over an upper portion of a concave portion into which the glass frame hooks 12 and 13 can enter.

When the front frame 21 of the pachinko machine is closed with respect to the main body frame 20 as shown in FIG. 6, the upper and lower hooks 4, 5 of the locking device are provided on the main body frame 20 side as shown in FIG. , And moves upward by the urging force of the coil spring 9a to be locked, so that it is locked.

When unlocking the lock, the lock shaft of the cylinder lock 7 is turned by the key and the cam plate 8 is rotated counterclockwise in FIG. The hook 6 is engaged with the engaging portion 17 of the rod 6 and slid upward to move the upper and lower hooks 4 and 5 upward. By the upward movement of the hooks 4, 5, the engagement with the receiving members 24, 25 of the main frame is released,
The front frame 21 is openable.

On the other hand, when the glass frame 22 in the front frame 21 is closed with respect to the front frame 21, as shown in FIG.
The locking portions 26 and 27 provided on the inner side of 2 hit the inclined surfaces of the heads of the glass frame hooks 12 and 13 of the glass frame locking rod 10,
This is slid downward together with the glass frame locking rod 10, and the glass frame locking rod 10 returns upward by the urging force of the coil springs 9a, 9b, so that the glass frame hooks 12, 13 are attached to the locking portions 26, 27. The glass frame 22 is locked and becomes locked.

When unlocking the glass frame 22, the key of the cylinder lock 7 is turned in the opposite direction, and the cam plate 8 is rotated clockwise in FIG. The second engaging projection 8b engages with the engaging portion 14 of the glass frame locking rod 10 and slides it downward, so that the upper and lower glass frame hooks 12, 1
3 is moved downward. By this operation, the glass frame 2
The engagement between the glass frame hooks 12 and 13 and the locking portions 26 and 27 is released, and the glass frame 22 is opened.

As described above, the base frame 1 of the locking device for the front frame is used.
Since the glass frame locking rod 10 is built in the base frame 1,
By simply fixing the mounting plate 2 to the inside of the front frame 21, there is no need to separately attach a locking member for a glass frame, and the mounting operation can be easily performed. Further, unlike the case where the glass frame locking device is separately mounted, an adjustment operation with the glass frame locking device is not required. Furthermore, the structure can be simplified, the number of parts can be reduced, and the outer shape of the base frame, that is, the outer shape of the locking device can be reduced as compared with a conventional locking device of this type.

Further, the hooks 4 and 5 are integrally formed on the sliding rod 6, and the glass frame locking
Since the hooks 4 and 5 and the glass frame hooks 12 and 13 are both slid (moved) up and down to perform locking and unlocking, the structure is simple and strong. It can be structured.

[Brief description of the drawings]

FIG. 1 is a front view of a locking device according to an embodiment of the present invention.

FIG. 2 is a left side view thereof.

FIG. 3 is a right side view thereof.

FIG. 4 is a rear view thereof.

FIG. 5 is an exploded side view of the locking device.

FIG. 6 is a right side view showing a use state.

FIG. 7 is a rear view when the glass frame locking rod is moved (unlocked).

[Explanation of symbols]

 Reference Signs List 1-Base frame 2-Mounting plate 3-Support plate 4,5-Hook 6-Sliding rod 7-Cylinder lock 8-Cam plate 10-Glass frame locking rod 12,13-Glass frame hook 26,27- Stop

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) A63F 7/02 E05B 61/00

Claims (1)

(57) [Claims] A sliding rod integrally provided with a hook portion at an upper portion and a lower portion is slidably disposed inside a vertically elongated base frame including a mounting plate and a support plate, and the mounting plate of the base frame is provided. The lock is fixed so that the lock shaft is inserted inward, a cam plate engaging with the sliding rod is fixed to the tip of the lock shaft, and the mounting plate of the base frame is fixed to the front frame of the pachinko machine. In a locking device for a pachinko machine, which is vertically mounted and the above-mentioned hook portion is locked by a receiving bracket attached to the body frame side of the pachinko machine to lock the front frame, the glass frame hook portion is projected upward and downward. The glass frame locking rod formed integrally with the base frame is slidable along the mounting plate in the base frame, and the glass frame hook is projected forward from the mounting plate. The glass frame locking rod is provided with a plurality of long holes.
A guide pin with a head formed and fixed to the mounting plate is
An engaging portion that is passed through the long hole and is engageable with the cam plate is provided on a part of the glass frame locking rod, and the glass frame hook portion is provided on a locking portion provided inside the glass frame of the pachinko machine. The glass frame is locked by being locked, and the cylinder lock is rotated in the opposite direction to the unlocking of the front frame to rotate the cam plate in the same direction, thereby sliding the glass frame locking rod to slide the glass frame locking rod. A locking device for a pachinko machine, wherein a hook of a glass frame and a locking portion are released to unlock the glass frame.