JPH10249031A - Locking device for pachinko machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a locking device with which a cylinder lock can be easily exchanged. SOLUTION: An attachment part 24 is integrally provided at a cylinder lock 17, and an opening hole 28 for inserting the cylinder lock is provided on a base frame body 13 fixed on the rear surface of entire surface frame 2 of pachinko machine. Elastic tongue pieces 29a, 29b and 29c having L-shaped cross sections are provided at the upper and lower positions of opening hole, a press-contact plate 20 is provided with a long hole 47 facing a lock shaft 25 of cylinder lock, tool inserting holes 48 and 48 respectively correspondent to both the ends of attachment part on the cylinder lock and lock parts 49a, 49b and 49c respectively correspondent to the elastic tongue pieces and by inserting tools into the tool inserting holes on the press-contact plate and turning them, the cylinder lock is fixed while holding and inserting the lock parson the press-contact plate in the gap between the attachment part on the cylinder lock and the elastic tongue pieces or the fixture of cylinder lock is canceled by detaching the lock parts from the elastic tongue pieces.

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, and more particularly to a locking device for a pachinko machine in which a cylinder lock can be easily replaced.

[0002]

2. Description of the Related Art Conventionally, as a locking device of a pachinko machine in which a cylinder lock is replaceable, a mounting board is provided on the cylinder lock, and a connecting rod for locking the front frame is slidably mounted on the mounting board of the cylinder lock. There is known a device having a configuration for screwing to a base frame to be formed (for example, see Japanese Utility Model Publication No. 4-32150).

[0003]

In the conventional locking device of the above-mentioned pachinko machine, when replacing the cylinder lock, the mounting board of the cylinder lock must be screwed to the base frame at the upper and lower positions. However, the screwing work was troublesome and time-consuming. In addition, in a normal pachinko game shop, cylinder locks are exchanged for all pachinko machines installed at the same time, so replacing the cylinder locks by screwing as described above requires a lot of time. As a result, there is a problem that the business is hindered.

The present invention has been made in view of the above problems, and has as its object to provide a pachinko machine capable of replacing a cylinder lock without any troublesome work such as screwing. Machine locking device.

[0005]

In order to achieve the above object, a locking device for a pachinko machine according to the present invention comprises a base frame fixed to the back of a front frame of a pachinko machine, and a replacement with the base frame. A cylinder lock that can be mounted, a cam member detachably attached to a lock shaft of the cylinder lock, a front frame locking rod that moves vertically by a cam member that is rotated by operating the cylinder lock, A press-contact plate for fixing the cylinder lock to the base frame, a mounting piece is provided integrally with the cylinder lock, and the base frame is provided with an opening for inserting the cylinder lock, and the opening is provided. A resilient tongue having an L-shaped cross section is provided at the upper and lower positions, and a long hole for facing the lock shaft of the cylinder lock and a tool insertion hole and a resilient tongue corresponding to both ends of the mounting piece of the cylinder lock are provided on the pressing plate. With corresponding locking parts, Inserting the tool into the tool insertion hole of the pressure contact plate and rotating the tool with the end of the mounting piece of the cylinder lock as the engagement surface, the locking part of the pressure contact plate and the mounting piece of the cylinder lock are resiliently pressed. The cylinder lock is fixed by being inserted into the gap between the tongue and the locking portion, or the locking portion is released from the resilient tongue to release the fixing of the cylinder lock.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a front view of a pachinko machine to which the present invention is applied, and FIG. 2 is a perspective view with a front frame opened. In the figure, 1 is a side frame of a pachinko machine, 2
Reference numeral 3 denotes a front frame which is attached to the front of the side frame 1 so as to be openable and closable. A substantially square opening is formed in the upper part of the front frame 2, and a game board mounting frame 4 is provided along the periphery of the back surface of the opening. A game board 5 is detachably mounted on the game board mounting frame 4 from the back side. The glass holding frame 3 has a circular opening formed substantially in the center so that the game area of the game board 5 can be seen through, and a glass plate 6 is mounted in the opening. Further, hook pieces 8, 8 penetrating from the insertion holes 7, 7 formed in the front frame 2 to the rear surface side are provided on the open rear surface of the glass plate holding frame 3.

FIG. 3 is a perspective view of a locking device according to an embodiment of the present invention, and FIG. 4 is an exploded perspective view thereof. The locking device 9 has a base frame 13 formed from a front plate 10 and left and right side plates 11, 12 in a U-shaped cross section. As shown in FIG. 6, the base frame 13 is mounted on the front panel 2 with a plurality of screws by abutting the front panel 10 on the open back surface of the front panel 2. Hooks 15, 15 which are engaged with and disengaged from the locking fittings 14, 14, which are fixed inside, are pivotally attached by shaft pins 16, 16 so as to be rotatable vertically. The base frame 13 is press-fitted so that the cylinder lock 17, the front frame locking rod 18, the elevating rod 19 for unlocking the glass plate holding frame 3, and the cylinder lock 17 are replaceably fixed to the base frame 13. Plates 20 are provided, respectively.

The cylinder lock 17 integrally includes a lock body 23 having a key hole 22 into which the key 21 is inserted, and a mounting piece 24 projecting vertically from the rear end of the lock body 23. The lock shaft 25 which is rotated by the rotation is protruded rearward from the mounting piece 24. The protruding end of the lock shaft 25 is formed as an elliptical shaft portion 25a by cutting both sides flat, and a screw hole 26 is provided at the center thereof.

On the other hand, a notch 27 is formed in the upper part of the left side plate 11 of the base frame 13, and the front plate 10 corresponding to the notch 27 is formed to be wide to form the cylinder lock mounting portion 10a.
It has been. The cylinder lock mounting portion 10a is provided with an opening hole 28 that substantially matches the outer shape of the lock body 23 of the cylinder lock 17. Also, three resilient tongue pieces 29a, 29b, 29c are formed by cutting and raising at upper and lower positions of the cylinder lock mounting portion 10a provided with the opening hole 28. These resilient tongue pieces 29a, 29b, 29c are shown in FIG.
As shown in FIG. 3, the upper end portion is formed to have an L-shaped cross section by curving upward to form an insertion opening.

The front frame locking rod 18 has a length substantially equal to the length of the base frame 13 and is slidably arranged vertically along the inside of the left side plate 11. A portion above the front frame locking rod 18 and corresponding to the cylinder lock mounting portion 10 a is formed as a bent portion 18 a along the right side plate 12. In addition, vertically long holes 30,
30 are drilled, and the pins 31, 31 inserted into the vertically elongated holes 30, 30 are swaged to the hooks 15, 15, thereby connecting the hooks 15, 15 with the front frame locking rod 18. I have.

Then, both ends of the springs 34, 34 are engaged with the cut and raised pieces 32, 32 formed on the hook pieces 15, 15 and the projecting pieces 33, 33 formed on the left side plate 11 of the base frame 13. 6 to urge the hooks 15, 15 downward (clockwise) as shown by the solid line in FIG.
The front frame 2 is locked by engaging the engaging members 15 with the locking members 14 of the side frame 1. At this time, the front frame locking rod 18 is provided with pins 31, 3 abutting on the lower ends of the vertically long holes 30, 30.
1 is pressed down.

On the other hand, a cam member 35 is detachably attached to the rear end of the lock shaft 25 of the cylinder lock 17. The cam member 35 is bent so that the mounting plate portion 35a and the support plate portion 35b are bent.
Are formed in a U-shaped cross section provided in opposition to each other, and an elliptical hole 36 formed in the mounting plate portion 35a is inserted into the shaft portion 2 of the lock shaft 25.
5a, and a screw 37 is screwed into the screw hole 26 to be securely fixed. The screw 37 is fixed to the cam member 35 by a coil spring 38 as a connecting member so that the screw 37 does not fall off and become lost when the screw 37 is removed from the lock shaft 25.

A vertically long engaging hole 39 and a through hole 40 are formed in the support plate 35b of the cam member 35, and a guide pin 41 inserted through the engaging hole 39 is provided on the front surface as shown in FIG. The lock shaft 25 of the cylinder lock 17 and the front frame lock rod 18 are connected via a cam member 35 by caulking to a bent piece 42 formed at the bent portion 18 a of the frame lock rod 18. The through hole 40 is for inserting a tool when the screw 37 is tightened.

For this reason, when the key 21 is inserted into the key hole 22 of the cylinder lock 17 and the lock shaft 25 is rotated in the direction of arrow A in FIG. 5, the cam member 35 is rotated integrally with the lock shaft 25. The lower end of the engaging hole 39 of the cam member 35 is
1 to engage the front frame locking rod 18 with the spring 34,
Move upward against the bias of 34. As a result, the pins 31, 31 are pushed upward at the lower ends of the vertically elongated holes 30, 30, of the front frame locking rod 18, and the hook pieces 15, 15 are rotated upward with the pins 16, 16 as fulcrums as shown by chain lines in FIG. , The hook 1
The engagement between the locking members 14, 14 of the side frame 1 and the side frame 1 is released, and the front frame 2 can be opened.

An elevating rod 19 for unlocking the glass plate holding frame 3 is slidable in the vertical direction along the front plate 10 within the gap between the left and right side plates 11, 12 of the base frame 13. It is provided in. The lifting rod 19 is a tension spring 4
3. Engagement holes 44, 44 for engaging the hook pieces 8, 8 of the glass plate holding frame 3 at the raised position to lock the glass plate holding frame 3, and a front frame. Engagement projections 45, 45 bent at the front edge of locking rod 18
Receiving pieces 46, 46 located in contact with the lower part of
Are provided respectively.

For this reason, when the lock shaft 25 of the cylinder lock 17 is rotated in the direction of arrow B in FIG. 5, the cam member 35 is rotated integrally with the lock shaft 25, and as shown in FIG. The upper end of the hole 39 comes into contact with the guide pin 41 to move the front frame locking rod 18 downward, and at the same time, the engaging projections 45, 45 push down the engagement receiving pieces 46, 46 of the elevating rod 19. As a result, the elevating rod 19 descends against the bias of the tension spring 43, and the engagement between the engagement holes 44, 44 and the hook pieces 8, 8 is released to open the glass plate holding frame 13. it can.
At this time, the front frame locking rod 18 can be moved downward by the vertically long holes 30, 30 of the front frame locking rod 18 irrespective of the hook pieces 15, 15.

The pressure contact plate 20 is made of a single metal plate having a rectangular shape, and is formed with a vertically long hole 47 in the approximate center where the lock shaft 25 of the cylinder lock 17 faces. Also, tool insertion holes 48a and 48b corresponding to both ends of the mounting piece 24 of the cylinder lock 17 are formed at the upper and lower positions where the vertically long hole 47 is provided, and a resilient tongue piece 29a provided on the cylinder lock mounting part 10a. , 29b, and 29c, corresponding to the locking portions 4 respectively.
9a, 49b and 49c are respectively formed by notches.

The cylinder lock 17 is fixed by the press plate 20 in the following manner. First, with the cam member 35 removed from the lock shaft 25 of the cylinder lock 17,
7 is inserted into the opening hole 28 of the base frame 13 from the inside, and the mounting piece 24 of the cylinder lock 17 is brought into contact with the cylinder lock mounting portion 10a. Next, as shown by the solid line in FIG.
The lock shaft 25 is positioned in the vertically long hole 47 by being superimposed on the rear surface, and the locking portions 49a, 49b, 49c correspond to the resilient tongue pieces 29a, 29b, 29c of the cylinder lock mounting portion 10a, respectively, and the lower edges thereof, respectively. Face the insertion opening. Thereafter, as shown by the solid line in FIG.
8b, a flathead screwdriver 50 is inserted, and the flathead screwdriver 50 is pivoted with the lower end of the attachment piece portion 24 of the cylinder lock 17 and the lower edge of the tool insertion hole 48b as an engagement surface, as shown by a chain line in FIG. As a result, the pressing plate 20 is
As shown by the dashed line, it is pushed down with a strong acting force,
As shown in FIG. 13, each of the locking portions 49a, 49b, 49c is made up of the mounting piece 24 of the cylinder lock 17 and each of the resilient tongue pieces 29a, 2c.
9b and 29c. For this reason,
The mounting piece 24 of the cylinder lock 17 is
As a result, the cylinder lock 17 can be firmly fixed.

On the other hand, when replacing the cylinder lock 17,
12B, a flathead screwdriver 50 is inserted into the tool insertion hole 48a on the upper part of the press contact plate 20 as shown by the solid line, and the upper edge of the mounting piece 24 of the cylinder lock 17 and the upper edge of the tool insertion hole 48a are used as engagement surfaces. The minus screwdriver 50 is turned so as to pry like the chain line in FIG. As a result, the pressing plate 20
Is pushed upward by a strong acting force, and the locking portions 49a, 49b, 49c are pulled out of the resilient tongue pieces 29a, 29b, 29c as shown by the chain line in FIG. For this reason, the elastic pressure fixing of the mounting piece 24 of the cylinder lock 17 by the pressure contact plate 20 is released, and the cylinder lock 17 is connected to the opening 2 of the base frame 13.
8 can be easily removed from cylinder lock 1
7 can be replaced.

[0020]

As is apparent from the above description, the locking device of the pachinko machine according to the present invention is configured so that the cylinder lock is press-bonded and fixed by the elastic pressure action of the pressure contact plate and the elastic tongue. The troublesome screwing work is not required as in the related art, and the mounting and replacing work of the cylinder lock can be performed quickly and easily.

[Brief description of the drawings]

FIG. 1 is a front view of a pachinko machine to which the present invention is applied.

FIG. 2 is a perspective view of the pachinko machine of FIG. 1 with a front frame opened.

FIG. 3 is a perspective view of the locking device according to the embodiment of the present invention.

FIG. 4 is an exploded perspective view of FIG.

FIG. 5 is an enlarged perspective view of a main part of FIG. 3;

FIG. 6 is a side view showing a state where the locking device of FIG. 3 is attached to a front frame.

FIG. 7 is a front view of FIG. 6;

FIG. 8 is a side sectional view showing a locked state of the glass plate holding frame.

FIG. 9 is a perspective view of a main part showing an unlocked state of the front frame.

FIG. 10 is a perspective view of a main part showing an unlocked state of the glass plate holding frame.

FIGS. 11A and 11B are front views illustrating the operation of attaching and detaching the cylinder lock.

FIGS. 12A and 12B are side cross-sectional views illustrating the operation of attaching and detaching a cylinder lock.

FIG. 13 is a side sectional view showing a fixed state of the cylinder lock.

[Explanation of symbols]

 2 Front Frame 13 Base Frame 17 Cylinder Lock 18 Front Frame Locking Rod 20 Pressing Plate 24 Mounting Piece 25 Lock Shaft 28 Opening Holes 29a, 29b, 29c Resilient Tongue 35 Cam Member 47 Long Hole 48a, 48b Tool Insertion Hole 49a , 49b, 49c Locking part

Claims (1)

[Claims] 1. A base frame fixed to the back of a front frame of a pachinko machine, a cylinder lock replaceably mounted on the base frame, and a cam member detachably attached to a lock shaft of the cylinder lock. And a front frame locking rod that moves vertically by a cam member that is rotated by operating the cylinder lock, and a press-contact plate that fixes the cylinder lock to a base frame. The base frame body is provided with an opening for inserting a cylinder lock, and a resilient tongue piece having an L-shaped cross section is provided at an upper and lower position where the opening is provided. A long hole facing the shaft, a tool insertion hole corresponding to each end of the mounting piece of the cylinder lock, and a locking portion corresponding to the resilient tongue piece are provided, and a tool is inserted into the tool insertion hole of the press-contact plate. At the same time, engage the end of the mounting piece of the cylinder lock By rotating the tool as described above, the locking portion of the pressure contact plate is inserted into the gap between the mounting piece of the cylinder lock and the resilient tongue to fix the cylinder lock, or the locking portion is resilient tongue. A locking device for a pachinko machine, wherein the locking device is configured to be released from the cylinder lock to release the fixing of the cylinder lock.