JPH061744Y2 - Pachinko machine locking device - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to an improvement of a locking device for a glass frame and a front frame of a pachinko machine, more specifically, for locking and unlocking a cylinder lock. The present invention relates to a locking device that enables a moving piece that slides in a base frame to have an integrated structure.

[Conventional technology]

An example of the locking device attached to the pachinko machine is shown in the cross-sectional view of FIG.

In the figure, one side of the front frame B is connected to one side of the side wall A of the pachinko machine by a hinge C, and one side of the front frame B is connected to one side of a glass frame D by a hinge E.

A base F, which is a main part of a pachinko machine, is integrally attached to the front frame B.

On the other side of the side wall A and the glass frame D, locking members 1 and 2 projecting inside the pachinko machine are provided respectively, and on the other side of the front frame B, a locking device for engaging and disengaging the locking members 1 and 2 is provided. It is provided.

5 is a front view of the locking device, FIG. 6 is a sectional view taken along line XX of FIG. 5, and FIG. 7 is a plan view of the locking device.

In the figure, the base frame 3 includes a lower wall 3a attached to the back surface of the front frame B and a central wall 3b forming a right angle to the lower wall 3a.
And an upper wall 3c extending from the end of the central wall 3b by bending at a substantially right angle.

The lower wall 3a is provided with guide protrusions 4 projecting toward the upper wall 3c by pressing at a plurality of positions in the longitudinal direction.
A guide protrusion 5 protruding toward the lower wall 3a from the press-pressing is provided in c, and is provided in a sliding path 6 (see FIG. 6) formed between the central wall 3b and the guide protrusions 4 and 5. A first movable piece 7 slidable on the wall surface of the central wall 3b and a second movable piece 8 slidable on the side surfaces of the guide protrusions 4, 5 are inserted.

The second moving piece 8 has substantially the same length as the base frame 3, and the claws 9 provided at both ends are inserted into the guide groove 10 provided on the upper wall 3c.

The cylinder lock 11 penetrating the front frame B has a fixing metal fitting 12 fixed to the outer peripheral surface thereof, and a long hole 13 provided in the fixing metal fitting 12.
A small screw 14 that is screwed into a screw hole of the lower wall 3a is inserted into the cylinder lock 11 and fixed to the lower wall 3a.

The cylinder lock 11 has a rotor 16 which is rotated by the inserted key 15, and a rotor plate 17 is provided at an end of the rotor 16.
Is fixed.

The rotating plate 17 has a pin-shaped first engaging portion 1 protruding downward.
8 and a pin-shaped second engaging portion 19 protruding upward, and when the key 15 is turned in the arrow J direction, the first engaging portion that turns in the same direction is the first moving piece 7. The first moving piece 7 moves in the arrow H direction by pushing the engaged portion (not shown) which is the left side surface of the.

When the key 15 is rotated in the direction of arrow K, the second engaging portion 19 which rotates in the same direction pushes the engaged portion 20 provided by bending the second moving piece 8 to make the second movement. The piece 8 moves in the direction of arrow G.

The first moving piece 7 is provided with a spring supporting portion 21 at the right end, and a spring 23 is stretched between the spring supporting portion 22 and the spring supporting portion 21 provided by cutting and raising the lower wall 3a. Is urged in the direction of arrow G, and the claw 24 provided on the first moving piece 7
Are kept engaged with the locking member 2.

A second spring in which a spring 27 is stretched over a spring support portion 25 provided on the second moving piece 8 and a spring support portion 26 provided on the lower wall 3a.
The moving piece 8 is biased in the direction of the arrow H, and the claws 9 provided at both ends of the first moving piece 8 are kept in engagement with the locking member 1.

In the locking device configured as described above, the key 15 is moved to the arrow J
By turning in the direction, the first engaging portion 18 moves the first moving piece 7 against the spring 23 in the direction of the arrow H, and the claw 24 moves to the position 24 'shown by the chain double-dashed line, and the locking member 2 The glass frame D is unlocked further.

When the key 15 is turned in the direction of arrow K, the second engaging portion 19
Pushes the second moving piece 8, the second moving piece 8 moves in the direction of arrow G against the spring 27, the claw 9 is separated from the locking member 1, and the front frame B is unlocked.

As described above, the locking device provided on the back surface of the front frame B can perform two types of locking and unlocking by rotating the key 15 inserted in the cylinder lock 11 in the clockwise or counterclockwise direction.

[Problems to be solved by the device]

The second moving piece 8 slides along the guide protrusions 4 and 5 and the claw 9
Since it has a structure of sliding in the guide groove 10, it cannot be attached to the base frame 3 as an integral structure.

Then, the both ends 8a and 8b having the claws 9 and the central part 8c are divided into three parts, and after the central part 8c is inserted into the slide path 6, the both ends 8a and 8b into which the claws 9 are inserted into the guide groove 10 are separated. Both ends 8a and 8b and the central portion 8c are connected to each other by a pin 29 which is superposed on the central portion 8c and is inserted into an elongated hole 28 provided in the central wall 3b of the base frame 3.

However, the assembly work of inserting the three-divided both ends 8a, 8b and the central part 8c into the base frame 3 and then integrally connecting them is troublesome, and the both ends 8a, 8b sway with the pin 29 as a fulcrum. Because of the easy drawback, it has been desired to insert the second movable piece 8 having an undivided structure into the base frame 3 so as to be slidable.

The present invention has been made to solve such problems.

[Means for Solving the Problems]

According to the present invention, a movable piece is slidably provided in a base frame attached to the back surface of a front frame of a pachinko machine, and the movable piece is provided in a guide groove having an opening on one side provided on the upper wall of the base frame. When the movable piece is formed of a single plate in a locking device that is slidably provided, and the claw of the movable piece approaches the opening of the guide groove and the movable piece is superposed on the base frame. In addition, a notch recess for accommodating the guide protrusion is provided at a position of the movable piece facing the guide protrusion.

[Action]

When the claw of the moving piece of the locking device configured as described above is brought close to the opening of the guide groove and the moving piece is overlaid on the base frame, the notch recess overlapping the guide projection accommodates the guide projection, so that the moving piece is guided. Enter the inside of the base frame without interfering with the protrusions.

Next, when the moving piece is moved along the base frame and the pawl is inserted into the guide groove, the notch concave part is separated from the guide projection, so that the moving piece is slidably assembled between the guide projection and the center wall of the base frame. Attached.

If the moving range of the moving piece due to the locking and unlocking operations of the locking device is limited to the range in which the notch recess and the guide projection do not overlap, the moving piece is always slid and guided by the guide projection.

Thus, the moving piece formed of a single plate can be easily attached to the base frame.

〔Example〕

 An embodiment of the present invention will be described with reference to the drawings.

The same parts as those in the conventional example are designated by the same reference numerals.

FIG. 1 is a perspective view of an essential part of a locking device, FIG. 2 is a front view of the locking device, and FIG. 3 is a perspective view of an essential part for explaining a procedure for assembling a moving piece.

In the figure, the base frame 3 is composed of a lower wall 3a, a central wall 3b and an upper wall 3c, and the lower wall 3a and the upper wall 3c are provided with guide protrusions 4 and 5, respectively. Similar to the conventional example, the first moving piece 7 and the second moving piece 8 are slidably inserted between the first moving piece 7 and the second moving piece 3b.

Further, the first moving piece 7 is biased in the G direction by the spring 23,
When the key 15 is rotated in the arrow J direction, it is pushed by the first engaging portion 18 and moves in the arrow H direction to release the engagement between the claw 24 and the locking member 2, and the second moving piece 8 causes the spring 27 to move. Is urged by the second engaging portion 19 by the rotation of the key 15 in the direction of arrow K and is moved in the direction of arrow G by releasing the engagement between the claw 9 and the locking member 1. The unlocking operation is also similar to the conventional example.

However, the second moving piece 8 of the present invention is formed of a single plate,
As shown by an arrow F in FIG. 3, when the second moving piece 8 is superposed on the base frame 3 by approaching the claw 9 and the opening 10 a of the guide groove 10, the second moving piece 8 is relatively opposed to the guide protrusion 4 of the second moving piece 8. A notched concave portion 30 having a size for accommodating the guide protrusion 4 is provided at a position where the guide protrusion 4 is accommodated, and a notched concave portion 31 having a size for accommodating the guide protrusion 4 is provided at a position facing the guide protrusion 5.

Since the first moving piece 7 has a short length, it does not hit the guide projection 4 and has a shape that does not interfere with the guide projection 5.

Therefore, the first moving piece 7 and the second moving piece 8 can be moved in the arrow F direction and inserted between the guide protrusions 4 and 5 and the central wall 3b.

Next, when the second moving piece 8 is moved in the direction of the arrow G and the claw 9 is inserted into the guide groove 10, the notch recesses 30 and 31 are separated from the guide protrusions 4 and 5, respectively, and the second moving piece 8 is moved. The guide protrusions 4 and 5 prevent movement in the direction opposite to the arrow F.

A pin 29 inserted into the long hole 29 of the central wall 3b is fixed to the second moving piece 8, and the notch recesses 30 and 31 do not overlap the guide protrusions 4 and 5 in the moving range of the second moving piece 8. Limited in scope.

As described above, the second moving piece 8 remains a single plate and is the base frame 3
Can be slidably inserted into the.

[Effect of device]

The conventional second moving piece is divided into three parts, which are connected to each other by a pin after being inserted into the base frame. Therefore, in order to assemble the second moving piece to the base frame, each divided piece of the second moving piece is positioned in the base frame. However, the assembly work is troublesome and the working time is long. However, in the present invention, the second moving piece can be easily assembled to the base frame with the integrated structure. Is now possible.

In addition, the second moving piece, which is connected to the conventional pin, swings around the pin as a fulcrum, so that the sliding operation is not smooth and the durability is poor. However, the second moving piece of the present invention does not operate. It has the advantages of smoothness and excellent strength.

[Brief description of drawings]

1 to 3 show an embodiment of the present invention, FIG. 1 is a perspective view of a main part of a locking device, FIG. 2 is a front view of the locking device, and FIG. 3 is an assembly of a moving piece. FIG. 4 is a schematic cross-sectional view of a pachinko machine, FIG. 5 is a front view of a conventional locking device, FIG. 6 is a XX cross-sectional view of FIG. 5, and FIG. FIG. 1, 2 ... Locking member, 3 ... Base frame, 3a ... Lower wall, 3b ... Center wall, 3c ... Upper wall, 4, 5 ... Guide protrusion, 7 ... First moving piece,
8 ... 2nd moving piece, 9 ... Claw, 10 ... Guide groove, 11 ... Cylinder lock, 15 ... Key, 17 ... Rotating plate, 18 ... 1st engaging part,
19 ... 2nd engaging part, 23, 27 ... Spring, 30, 31 ... Notch recessed part.

Claims (1)

[Scope of utility model registration request] 1. A base frame having an upper wall and a lower wall bent substantially at right angles from both ends of a central wall is attached to the back surface of a front frame of a pachinko machine, and guide projections are provided on the upper wall and the lower wall. , A movable piece is slidably inserted between the guide protrusion and the central wall, a guide groove having an opening on one side is provided in the upper wall, and a claw provided on the movable piece is inserted in the guide groove. Then, the rotary plate is provided on the cylinder lock fixed to the base frame, the engaging portion provided on the rotary plate is engaged with the moving piece, and the moving piece moves inside the base frame by the unlocking operation of the cylinder lock. In a locking device that moves to release the engagement of the pawl with the locking member of the pachinko machine, the moving piece is formed from a single plate, and the pawl of the moving piece approaches the opening of the guide groove. When the moving piece is placed on the base frame, the guide projection is housed in a position of the moving piece that faces the guide projection. Pachinko machine locking device, characterized in that a missing recess.