JPH03272788A - Frame locking device for pachinko (japanese pinball) game machine - Google Patents

Abstract

PURPOSE:To provide a locking device for a pachinko game machine capable of electrically unlocking the front frame and automatically opening by sliding an interlocking rod fixed to the output shaft of a motor, thereby achieving unlocking of the front frame, and pushing it to open with a cam. CONSTITUTION:With possibility of opening and closing, a front frame 3 is mounted to the outer framing 2 of a pachinko game machine 1. When a motor 23 is operated in response to an unlocking command signal, a cam 26 is rotated through an output shaft 25, and now the bottom folding 15a of an interlocking rod 15 begins rising, being in contact with the arc of circle 26c on the cam, and at the same time, lock pieces 13a, 13b are turned upward. When the middle part of the arc 26c reaches the contacting position with the interlocking rod 15, the detention of these lock pieces with a roller for detention will be disengaged. When the cam 26 continues rotating to cause another arc 26c to reach the contacting position with the interlocking rod 15, it takes the max, elevated position and takes pause in the condition that the detention of the lock pieces with the roller for detention is in disengagement. Then the arc 26c on the cam 26 comes in contact with a receptacle metal piece 27, followed by contacting of the other arc 26b to push the receptacle piece 27, and thus the front frame 3 opens automatically. Accordingly electric unlocking and auto-opening of the front frame can be done with a single motor.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a frame locking device for a pachinko machine that electrically unlocks a front frame.

[Conventional technology]

As is well known, in a pachinko machine, a front frame is attached to the front of an outer frame so as to be openable and closable. Recently, it has been proposed to lock the front frame electrically instead of using a mechanical lock and key. (See, for example, Japanese Patent Laid-Open No. 177887/1987).

[Problem to be solved by the invention]

By the way, such an electric pachinko machine frame locking device does not require the use of a key, so it is very useful in preventing key theft and fraud using duplicate keys. However, since no key is used, it is very difficult to open the front frame after unlocking.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a frame locking device for a pachinko machine that electrically unlocks a front frame and automatically opens the unlocked front frame at the same time.

Another object of the present invention is to provide a frame locking device for a Pachinko machine that can electrically unlock and open the front frame to the front as described above using a single electric motor.

[Means for Solving the Problems] In order to achieve the above object, the frame locking device for a pachinko machine of the present invention includes an outer frame, a front frame that is attached to one side of the outer frame so as to be openable and closable, and a frame locking device for a pachinko machine of the present invention. an engagement roller provided on the inner surface of the open side of the front frame; and a lock piece provided on the outer frame that automatically engages the engagement roller when the front frame is closed to lock the front frame with respect to the outer frame. , an interlocking rod that is linked to the lock piece and that slides to move the lock piece in the direction of disengaging the engagement roller; an electric motor that is fixedly provided on the outer frame; and an electric motor that is fixed to the output shaft of the electric motor. and a cam that slides the interlocking rod to unlock the front frame, and also pushes the front frame to open it when the lock is unlocked.

(Operation) The locking of the front frame is performed by engaging the engagement roller of the front frame with the lock piece of the outer frame.Then, when the electric motor is driven with the front frame locked, it is fixed to the output shaft of this. The cam slides the interlocking rod upward to disengage the lock piece from the engagement roller and unlock the front frame.The cam also pushes the front frame forward at the same time as unlocking. Work to open it up.

〔Example〕

An embodiment of the present invention will be described below with reference to the drawings. 1st
The figure is a front view of the pachinko machine, and FIG. 2 is a perspective view of the pachinko machine with the front frame opened.

A pachinko machine 1 has a front frame 3 attached to the front of an outer frame 2 so as to be openable and closable. A metal frame 4 is attached to the periphery of the window hole of the front frame 3, and a glass door frame 5 is attached to one side of the metal frame 4 so as to be openable and closable. Further, a mounting frame 6 is fixed to the back surface of the front frame 3, and a game board 7 is positioned and detachably mounted on this mounting frame 6.

A mechanism plate 8 is rotatably mounted on the back side of the game board 7.

Further, a locking mechanism 9, which will be described later, is provided inside the front frame 3 on the open side. In association with this locking mechanism 9, a lock 0 having a keyhole is provided on the front surface of the front frame 3.

Engagement rollers 112.11b are located inside the front frame 3 on the open side and at upper and lower positions on the side surface of the mounting frame 6.
is provided. In addition, the engaging rollers lla, llb
Support plates N2a are placed at upper and lower positions on the inner surface of the outer frame 2 corresponding to
, 12b are fixed to the supporting plates 12a, 12b.
Lock pieces 13a and 13b which can be engaged with the engagement rollers 11a and 11b are rotatably mounted on shafts 14a and 14b. As shown in FIGS. 3 and 5, the lock pieces 13a and 13b have bins 15a and 1 at the top and bottom of the interlocking rod 5.
6b, respectively, and are linked to each other. Further, as shown in FIG. 5, the interlocking rod 15 has an engaging portion 17 formed by bending at approximately the midpoint between the upper and lower sides, and the engaging portion 17 is inserted into the vertical hole 19 of the guide piece 18 fixed to the outer frame 2. It is held so as to be vertically slidable, and is always urged downward by a coil spring 20.

The engagement rollers 118.11b contact the inclined lower edges of the tips of the lock pieces 13a, 13b, respectively, when closing the front frame 3, and push the lock pieces 13a, 13b against the bias of the coil spring 20. While rotating the lock piece 13a upward, the lock piece 13a,
13b, and thereby locks the front frame 3 against the outer frame 2 so that it cannot be opened. In addition, 21 is a support plate H for regulating the rotation range of the lock pieces 13a and 13b.
Stoppers formed on 2a and 12b, 22 is a lock piece 13a
, 13b is a vertically elongated notch for a guide.

As shown in FIGS. 3 and 4, a motor 23 as an electric motor is provided near the lower end of the interlocking rod 15.

The motor 23 is fixedly supported by a support fitting 24 fixed to the inner surface of the outer frame 2, and a cam 26 is fixed to an output shaft 25 of the motor 23. The motor 23 is, for example, a step motor, and its circuit is set so that it rotates once and then stops for each unlocking command signal. Further, a receiving metal fitting 27 is fixed to the back surface of the front frame 3 corresponding to the cam 26.

As shown in the figure, the cam 26 has a substantially rice ball-shaped peripheral edge, and the cam 26 is interlocked with the peripheral edge.
One end is in contact with the curved part 15a. This cam 26
The contour curve of , as shown in No. 4121 1, has opposing circular arcs 26a and 26b as the center of the output shaft (cam shaft) 25,
The curves g26c and 26d are arcs in which the interlocking rod #]15 moves up and down.6 Then, in the arc 26a, the interlocking rod 15 is at its lowest position as shown by the solid line in Fig. t) 15 is designed to rest at the maximum raised position shown by the chain line in FIG.

At this time, the arc 26b comes into contact with the receiving fitting 27, pushes the leopard frame 3 forward, and the shape of the cam is selected so that the front frame 3 is opened visually.

FIG. 6 is an exploded perspective view of the locking mechanism 9.

This locking machine 119 is for unlocking with a key, for example, when installing a batonco machine, at the time of a power outage, or even when the power supply to the batonco machine is stopped, such as after the store is closed. The present invention is not limited to the present invention.The locking mechanism 9 includes a vertically long handle (1 board 90).

The mounting bases 4h and 90 have a cross section of ■ due to the fixing piece 91 and the supporting piece 92.

A fixing piece 91 of the shaped bar is fixed to the back surface of the front frame 3. Approximately in the center of the fixed piece 91 is a lock 10o) a lock shaft 10a.
A circular hole 9]-1 is provided through the support piece 92, and a vertically elongated hole 92-1 is formed in the support piece 92. The gripping piece 92 also includes a first sliding plate 92=2 for unlocking the glass door frame 5, and a second sliding plate vi, 92- for mechanically unlocking the front frame 3. 3
are superimposed on each other +! Established in

The first sliding plate 92-2 has a vertically long guide hole 92-2.
21, 92-22 are formed, and the bottle 93 is inserted into the lower sliding opening J to the support g92 through the guide hole 92-21.

Also, an engagement piece 92-23 is provided on the rear edge of the first sliding plate 92-2.
is bent, and an engagement notch 92-24 is formed at the front edge. A vertically elongated guide hole 9i31 and an engagement hole 92-32 are formed in the second sliding plate 92-3, and the guide hole 92
1F is slidably attached to the support g92 via the pin 94. Further, an engagement piece 92-33 is bent and formed at the lower end.

The =-th sliding plate 92-2 and the second sliding plate 92-3 are connected to each other by a coil spring 95, and the first sliding plate #Fj92-2 is caused by this coil spring 95. It is urged upward, and as a result of this ζ, the engagement piece 9223 is positioned above the unlocking lever piece 5a of the glass door frame 5 so that it can be pressed in the direction F. Also, the second sliding plate 92-3
is urged downward, and the engaging portion 17 of the interlocking rod 15 is positioned above the engaging member J49233. On the other hand, a cam member 10b is fixed to the lock shaft 10a of the lock 10, and the cam member 1. Ob has an engagement protrusion 10b-1 that engages with an engagement notch 92-24 formed in the first sliding plate 92-2,
An engagement protrusion 10b-2 that engages with an engagement hole 92-32 formed in the first sliding plate 92-3 is integrally formed. In addition, in relation to the lock 10, there is a shutter mechanism 2 on the front side of the front frame 3.
8 is provided.

This shutter device 11t28 includes a support plate 29 screwed to the front surface of the front frame 3, as shown in FIGS. 9 and 10. The support plate 29 has a plurality of mounting holes 291 and a lock 1.
A circular hole 292 through which the front part of the holder 0 faces, and an open 1'' part 293 are bored. Furthermore, support pieces 294 are formed on both upper sides of the support plate 29 . A vertically elongated hole 295 is bored in the support piece 294 . Further, a microswitch 296 is attached to the upper part of the opening 1-] portion 293 facing forward of the support plate 29.

Further, a cover member 30 is attached to the front surface of the support plate 29. The lid member 30 is formed into a box shape with a 4-inch opening at the rear, and protrusions Ol are formed at the upper portions of both sides thereof. By fitting the protrusion 301 into the vertically elongated hole 295, it is supported on the front surface of the support plate 29 so that it can be opened and closed. The lower side of the lid member 30 is formed long enough to fit inside a recess 31 formed on the front surface of the front frame 3, and an engagement hole 302 is formed in a portion located inside the recess 31. Further, a protruding piece 303 is formed on the lower side of the lid member 30 so as to protrude in a direction F and is engaged with the inner surface of the toe edge of the opening [-] part 293.

On the other hand, a solenoid 32 is installed in the M recess 31.

The engaging C hole 302 of the lid part +J" 30 is connected to the solenoid 3 when the lid member 30 is closed as shown by the solid line in FIG.
Its position is chosen to correspond to the force of the plunger 321 of 2. Further, the protruding piece 303 of the lid member 30 is
] The length is selected to be slightly shorter than the length of the portion 293 in the vertical direction. Therefore, in order to open the lid +4'30, the front protrusion 303 must be opened 1.
- It can be connected by lifting it up to the point W where it comes off the edge of the first part 293. A microswitch 29 is provided on the inner surface of the lid member 30 when the lid member 30 is lifted up.
The cam step portion 304 is formed so that the actuator 297 of No. 6 is pushed to turn ○N. The microswitch 296 is configured in a circuit so as to be turned on to excite the solenoid 32 only when the front frame 3 can be unlocked by the drive of the motor 23.

Next, the operation of this embodiment will be explained. When the front frame 3 is electrically unlocked, it is performed by an unlocking command signal from, for example, a command room of a game parlor.

That is, when the unlocking command signal is sent out, the motor 23 is driven, and the cam 26 is activated via the output shaft 25 of the motor 23.
] Rotate in the direction of the arrow. When the cam 26 rotates, the interlocking rod 1
The lower end bent portion 15a of 5 begins to rise while contacting the circular arc 26C of the cam, and at the same time the lock pieces 13a and 13b are moved upward (the fourth
(counterclockwise). When the approximate center of the arc 26C is connected to the contact position with the interlocking rod 15, the lock piece 13
a, 13b and the engagement roller 11a.

11b is released. On the other hand, the cam 26 continues to rotate and when its circular arc 26b reaches the contact position with the interlocking rod 15, the interlocking rod 15 reaches its maximum raised position and the lock piece 13a
, 13b and the engaging rollers 11a, llb are disengaged from each other and rest. During this resting state, the arc 26c of the cam 26 comes into contact with the bracket 27, and then the arc 26b comes into contact and pushes the bracket 27, automatically moving the front frame 3 as shown by the chain line in FIG. open to

The cam 26 continues to rotate from this state, and when the arc 26d of the cam 26 reaches the contact position with the interlocking rod 15, the interlocking rod 1
5 moves downward under the bias of the coil spring 20, simultaneously rotating the lock pieces 13a and 13b downward, and when the arc 26a reaches the contact position with the interlocking rod 15, the interlocking rod I5 reaches its maximum lowered position. Then, the lock pieces 13a and 13b are returned to their original positions indicated by the solid lines in FIG. Be prepared. In this way, the unlocking and opening operations of the front frame 3 can be performed by one motor 23.

By the way, when the motor 23 is in the OFF state, such as during a power outage or after the store is closed, the front frame 3 is opened using a key. In this case, first, the lid member 30 of the shutter mechanism 28 is lifted upward, the opened successor is inserted into the keyhole of the lock 10, and the lid member 30 of the shutter mechanism 28 is rotated in the direction of the arrow in FIG. By this rotation of the key, one of the engaging protrusions 10b-2 of the cam member 10b fixed to the lock shaft 10a pushes the second sliding plate 92-3 upward as shown by the chain line in FIG. Therefore, the engaging piece 92-33 of this comes into contact with the engaging part 17 of the interlocking rod 15 from below, and the interlocking rod 15 is pushed upward, thereby pushing the lock pieces 13a and 13b upward. The lock pieces 13a, 13b and the engaging roller 11a
, 11b is released, and the front frame 3 can be opened.

Also, when the key is turned in the direction of the arrow in Fig. 8, the first sliding plate 9
The cam member 10b that engages with the engagement notch 92-24 of 2-2
The second sliding plate 9 is moved by the other engaging projection 10b-1 of
2-2 is pushed down, whereby the unlocking lever piece 5a of the glass door frame 5 is pushed down by the engaging piece 92-23, and the glass door frame 5 can be opened.

When the cover member 30 of the shutter mechanism 28 is lifted upward while the motor 23 is powered on, the actuator 297 of the microswitch 296 is pressed by the cam step 304 and turned on, simultaneously turning on the solenoid 3.
2 is excited, and its plunger 321 projects upward as shown by the chain line in FIG. 10 and enters the engagement hole 302. This locks the lid member 30 so that it cannot be opened, and can completely prevent the key from being used for unauthorized purposes.

11 and 12 show a second embodiment, and the difference from the first embodiment is that an eccentric wheel 33 and a cam rod 34 are fixed to the output shaft 25 of the motor 23, and the interlocking rod 15 is fixed to the output shaft 25 of the motor 23. is moved up and down, and the holder 27 is moved by the cam rod 34.
The front frame 3 is opened by pressing . In this embodiment, the front frame 3 can be opened wide by making the cam rod 34 longer.

Figures 13 and 14 show the third embodiment;
The difference from the embodiment is that a so-called linear motor 36 whose output shaft 35 makes linear reciprocating motion is used as the electric motor, and that a linear cam 38 having an inclined surface 37 is fixed to the output shaft 35 of the linear motor 36. It is. In the case of the third embodiment, when the unlocking command signal is sent out, the output shaft 35 of the linear motor 36 is driven to perform a rectilinear movement in the ζ-axis direction. When the motion cam 38 moves linearly in the direction as shown by the chain line σ in FIG.
13b is rotated upward and the engagement rollers 11a, 1]
, , b are disengaged from each other. On the other hand, the output shaft 35 further moves to the right, and the tip of the direct-acting cam 38 touches the receiving bracket 2.
7 to automatically open the front frame 3 as shown by the chain line in FIG.

In addition, 41 is a roller attached to the lower end bent portion 15a of the interlocking rod I5.

15 and 16 show the fourth embodiment. The fourth embodiment is almost the same as the third embodiment, but the third embodiment is similar to the third embodiment.
The difference from the embodiment is that a solenoid 39 is used instead of the linear motor 36. That is, the direct-acting cam 38 of the third embodiment is fixed to the tip of the plunger 40 of a solenoid 39, and when the solenoid 39 is electrically energized, the plunger 4 of this embodiment is moved as shown by the chain line in FIG.
0 moves the direct-acting cam 3B to the right by the same number, thereby sliding the interlocking rod 15 upward and locking pieces 13a, 13.
At the same time as releasing the engagement state with b, the front frame 3 is pushed to automatically release.

(Effects of the Invention) As described above, according to the present invention, the electrical unlocking of the front frame and the movement opening operation can be performed with one electric motor, which is very convenient.

In addition, the structure is simple and can be easily installed in narrow spaces.

[Brief explanation of drawings]

The drawings show an embodiment of the present invention; FIG. 1 is a front view of a pachinko machine, FIG. 2 is a perspective view of the pachinko machine with the front frame open, and FIG. 3 is a perspective view of the cam part. FIG. 4 is a front view for explaining the unlocking action of the cam, FIG. 5 is a perspective view of the upper lock piece, and FIG. 6 is an exploded perspective view of the locking mechanism.
Figures 7 and 8 are perspective views of the locking mechanism, Figure 9 is an exploded perspective view of the shutter mechanism, Figure 10 is a sectional view of the shutter mechanism, and Figures 11 to 16 are views of other embodiments. It is. 2... Outer frame, 3... Front frame, 1. la,llb...
・Engagement rollers, 13a, 13b-lock pieces, 15...
・Interlocking rod, 23-1 motive, 25...output shaft, 26...
·cam.

Claims (1)

[Scope of Claims] An outer frame; a front frame attached to one side of the outer frame so as to be openable and closable; an engagement roller provided on the inner surface of the open side of the front frame; A lock piece that automatically engages the engagement roller when the frame is closed to lock the front frame to the outer frame; and a lock piece that is linked to the lock piece and that slides to disengage the lock piece from the engagement roller. an interlocking rod that is fixedly provided on the outer frame; and an interlocking rod that is fixed to the output shaft of the motor and that slides the interlocking rod to unlock and unlock the front frame. A frame locking device for a pachinko machine equipped with a cam that pushes the front frame to open it when the frame is locked.