JP2001162007A - Locking device for front frame body of pachinko game machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a locking device for front frame body of pachinko game machine capable of reducing the manufacturing cost with a simple structure and surely preventing the illicit opening of a front frame. SOLUTION: A locking bar 53 to be vertically movably provided on the open-side inside surface of a front frame 4 is formed of three separate members of an upper locking piece 55 having an upper hook 54 engageable with and disengageable from an upper locking metal fitting 51a fixed to the open-side inside surface of an outer frame 2 from under, a lower locking piece 57 haying a lower hook part 56 engageable with and disengageable from the lower locking metal fitting 51b of the outer frame 2 from under, and an intermediate linking piece 58 for moving both the locking pieces 55 and 57 in the unlocking direction. The upper locking piece 55 and the lower locking piece 57 are provided in such a manner as to be movable, in interlocking with the intermediate linking piece 58, to the position of releasing the engagement of the upper locking metal fitting 51a of the outer frame 2 with the upper hook part 54 and the position of releasing the engagement of the lower locking metal fitting 51b of the outer frame 2 with the lower hook part 56, respectively.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pachinko game machine having an outer frame and a front frame which can be freely opened and closed on one side of the outer frame, and more particularly to a locking device for the front frame. is there.

[0002]

2. Description of the Related Art Conventionally, as a locking device for a pachinko game machine, a locking member is provided at an upper and lower position on an open inner surface of an outer frame, and a locking rod is freely movable up and down on an open inner surface of a front frame. And the hooks pivotally connected to the upper and lower portions of the locking rod are respectively engaged with the latches of the outer frame from below to lock the front frame, and are also locked by rotating the cylinder lock with a key. There has been known a configuration in which a rod is moved upward to rotate a hook piece downward, thereby releasing the engagement between the hook piece and a locking member to unlock the front frame body ( For example, see Japanese Utility Model Publication No. 58-4538.

[0003]

In the conventional locking device for a pachinko game machine as described above, the locking rod and the upper and lower hooks are integrally pivotally connected to each other. When the armature is turned downward, the other hook piece also turns via the locking rod, so that the engagement of the outer frame with the metal fitting can be released. For this reason, for example, insert a wire or a piano wire from the front side to the back side of the front frame, hook it on one of the upper and lower hooks, and move the hook downward without relying on the rotation of the cylinder lock by the key. There is a problem that an act of releasing the front frame body by rotating the outer frame to release the engagement of the outer frame with the locking fitting is easily performed.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-described problems, and has as its object to simplify the structure, reduce the manufacturing cost, and reliably prevent unauthorized opening of the front frame. It is an object of the present invention to provide a locking device for a front frame in a pachinko gaming machine.

[0005]

In order to achieve the above-mentioned object, a locking device for a front frame of a pachinko game machine according to the present invention comprises an outer frame and a front surface which is openably and closably attached to one side of the outer frame. A frame, and a locking rod provided on the open inner surface of the front frame so as to be movable in the up-down direction, wherein the locking rod is provided on an upper metal fitting fixed to the open inner surface of the outer frame. An upper locking piece having an upper hook portion which is engaged and disengaged from below, a lower locking piece having a lower hook portion which is engaged and disengaged from below with a lower metal fitting of the outer frame, and an intermediate portion for moving both locking pieces in the unlocking direction. The upper locking piece and the lower locking piece are always configured such that the upper hook portion and the lower hook portion are engaged from below with the upper and lower locking brackets of the outer frame. Each is urged upward by a spring to lock the front frame. And only at the time of lowering of the intermediate linking piece by the unlocking operation, it is linked with the intermediate linking piece integrally to release the engagement between the upper metal hook and the upper hook portion and the lower portion of the outer frame. It is characterized in that it is provided so as to be movable to a position at which the engagement between the latch and the lower hook is released.

As described above, the locking rod is separated by the three members of the upper locking piece, the lower locking piece and the intermediate linking piece, so that, for example, the upper locking piece does not depend on the turning operation of the cylinder lock by the key. Alternatively, even if the lower locking piece is moved downward, one of the upper locking pieces and the lower locking piece can be maintained in an engaged state without interlocking, so that unauthorized opening of the front frame body is ensured. Can be prevented.

[0007]

Next, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a front view of a pachinko gaming machine to which the present invention is applied, and FIG. 2 is a perspective view of a pachinko gaming machine in a state where a front plate having a glass plate holding frame and a hit ball supply tray and a lower front plate having a surplus ball tray are opened. FIG. 3 is a perspective view of the back surface with the front frame opened, FIG. 4 is a perspective view of the locking device portion of the outer frame and the front frame, and FIG. 5 is a side view of the locking device portion. The pachinko gaming machine 1 includes an outer frame 2 formed in a vertically elongated rectangular shape, and a front frame 4 that is attached to one side of the outer frame 2 so as to be freely opened and closed by a hinge mechanism 3. A front plate 7 having a glass plate holding frame 5, a hit ball supply tray 6, and a surplus ball tray 8 on one side of the front surface of the front plate 4
Are pivotally supported so as to be freely opened and closed.

As shown in FIG. 3, the front frame 4 is formed of a metal plate such as an iron plate, and has a substantially square opening 10 formed in the upper part and a plate-shaped part 11a formed in the lower part.
The main frame 11 is formed as a single piece, and is crimped to the left and right positions and the lower position on the back side of the main frame 11 except for the upper position of the opening 10 to be integrated with the main frame 11. A game board 13 is detachably mounted so as to cover the opening 10 of the main frame 11 as the game board mounting frame 12.

By the way, as shown in FIG. 2, almost all of the main game components of the pachinko gaming machine 1 are collectively provided on the front frame 4. That is, on the front surface of the main frame portion 11 of the front frame body 4, a rail decorative member 14 made of synthetic resin so as to cover the outside of the game area of the game board 13.
In the same manner, a rail deformation preventing member 15 formed of a synthetic resin is provided, and a certificate stamp attaching member 16 is provided outside the game area of the game board 13. In addition, a ball launching mechanism 18 is provided in a circular mounting hole 17 formed through the plate-shaped portion 11a below the opening 10, and a passage structure 20 is detachably mounted in the square mounting hole 19. It has become.

The hitting ball firing mechanism 18 includes a firing rail 21
And a striking rod 22 facing the firing position of the firing rail 21;
Rotary solenoid 2 as a driving source of the hitting rod 22
3 and an automatic ball feeder 24 that supplies the hit balls stored in the hit ball supply tray 6 one by one to the firing position of the firing rail 21 in conjunction with the firing operation of the hitting rod 22. It is unitized by assembling integrally. And
The rotary solenoid 23 is made to face the circular mounting hole 17 from the front side, and a plurality of fitting projections (not shown) projecting from the back side of the holding body 25 are engaged with the plate-shaped portion 11a. By engaging with the hole 26, the hit ball firing mechanism 18 can be firmly attached to the main frame 11 of the front frame 4 with one touch without screwing.

The passage structure 20 has a foul ball receiving portion 27 at an upper position for receiving a foul ball, and a prize ball receiving portion 28 for receiving a prize ball falling when the front plate 7 is opened.
Are provided separately from each other by a partition wall 29, and the foul ball guiding passage 31 is communicated with the foul ball receiving portion 27.
However, the spilling ball guiding passage 30 communicates with the prize ball receiving portion 28.
Are provided independently of each other. Then, the rear part of the passage structure 20 is made to face the square mounting hole 19 from the front side, and a plurality of rearward locking claws (not shown) are engaged with the engagement grooves 82 formed in the plate-shaped portion 11a. By stopping, the passage structure 20 can be firmly attached to the main frame 11 of the front frame 4 with one touch without screwing.

As described above, the hitting ball firing mechanism 18 or the passage structure 20 is unitized and removably mounted on the front frame 4 formed of a metal plate such as an iron plate, thereby enabling the front frame 4 to be detached. This makes it easy to separate and sort the hitting ball firing mechanism 18 or the passage structure 20, which is convenient for discarding or recycling the pachinko gaming machine.

The left side portion of the hitting ball supply tray 6 provided on the front surface of the front plate 7 is formed as a bulging portion 33 which forms a dome-shaped space portion 32 having an open front surface as shown in FIG. An ashtray 34 is rotatably supported forward in the space 32. Thus, the dome-shaped space 3
By providing the ashtray 34 in 2, the ashtray 34 can be made inconspicuous, and the overall design effect can be enhanced. Further, a translucent lens cover 35 is provided above the bulging portion 33 provided with the dome-shaped space portion 32, and a balance display device 36 for a card-type pachinko machine is inside the lens cover 35, It is attached to the main body side of the hit ball supply tray 6. Further, near the balance display device 36, operation units such as a lending ball button 37 and a card return button 38 in the card type pachinko machine are provided.

On the other hand, as shown in FIG. 1, the surplus ball tray 8 provided on the front surface of the front lower plate 9 is provided with a handle device 39 at the right measuring position, and the front surface of the surplus ball tray 8 is decorated. The decorative cover body 40 and the cover portion 41 of the handle device 39 are formed so as to have a smooth curved surface shape and an integrated shape having continuity. A speaker 44 is attached to the surplus ball receiving tray 8 at a substantially central portion of the front surface thereof through a punching metal 42 provided with a large number of sound transmission holes 43. Then, the sound of the speaker 44 is emitted directly from substantially the center of the front surface of the surplus ball tray 8 through the punching metal 42.

As shown in FIG. 3 to FIG. 6, the right and left vertical frames 12a, 12b and the lower frame 12c constituting the game board mounting frame 12 are provided on the rear side of the front frame 4. The locking device 45 of the front frame 4 is mounted inside the hollow of the vertical frame 12 a located on the open side of the body 4. Further, a locking mechanism 47 of the glass plate holding frame 5 is attached via a fixing plate 46 to a side edge portion located on the front side of the front frame body 4 and located on an open side thereof. As shown in FIG. 6, a cylinder lock 48 is fixed to the fixing plate 46, and a key hole portion 49 protrudes from a through hole 50 formed in the glass plate holding frame 5 to the front side. As shown in FIG. 4, locking metal fittings 51a and 51b are attached to the upper and lower positions on the open inner surface of the outer frame 2, and a groove frame member 5 provided on the back side of the glass plate holding frame 5.
L-shaped locking fittings 52, 52 are fixed to the open side surface of c.

The locking device 45 of the front frame 4 has a locking rod 53 slidably provided in the vertical direction along the inner surface of the side wall of the vertical frame 12a as shown in FIGS. The locking rod 53 has an upper locking piece 55 provided with an upper hook portion 54 which is engaged and disengaged from below with a locking metal member 51a on an upper portion of the outer frame 2.
And a lower locking piece 57 provided with a lower hook portion 56 that is engaged and disengaged from below with a locking metal fitting 51b at a lower portion of the outer frame 2, and an intermediate linking piece 58 that slides the locking pieces 55, 57 in the unlocking direction. And three separate members. The upper locking piece 55 and the lower locking piece 57 have the same shape as shown in FIG.
In addition, a projection piece 59 is provided on the side of the locking piece 55, and similarly, a projection piece 63 is projected on the side of the lower locking piece 57. Then, the projection piece 59 provided on the upper locking piece 55 faces the U-shaped notch 60 formed on the upper side of the intermediate linking piece 58, and the lower end of the intermediate linking piece 58 and the upper end of the lower locking piece 57. And can be linked to each other.

The upper locking piece 55 is urged upward by a spring 62 stretched between a projection piece 59 of the upper locking piece 55 and a spring hook 61 provided on the vertical frame 12a. The protruding piece 63 provided on this and the vertical frame 12a
The upper hook portion 54 of the upper locking piece 55 is engaged with an upper portion of the outer frame 2 as shown in FIG. As shown in FIG. 11, the lower hook portion 56 of the lower locking piece 57 is engaged with the lower locking member 51b of the outer frame 2 from below to lock the front frame body 4 with the locking member 51a. It has become. A plurality of bent portions 66 for preventing the upper locking piece 55, the lower locking piece 57, and the intermediate linking piece 58 from being lifted are provided on the upper edge portion of the side wall of the vertical frame 12a.
Is provided.

On the other hand, the interlocking member 67 is rotatably mounted on the intermediate linking piece 58 at an approximately vertical intermediate position. This interlocking member 67 has an engaging portion 68 formed at one end by bending, and as shown in FIGS. 8 and 9, the cam plate 7 fixed to the lock shaft 69 of the cylinder lock 48.
One of the first cam piece 71 and the second cam piece 72 included in the first cam piece 71 is engaged with the engaging portion 68 from above. Note that the notch portion 60 of the intermediate linking piece 58 may be pushed down to a position where the upper locking piece 55 is disengaged from the engagement with the locking fitting 51a on the upper portion of the outer frame 2 due to some external load. The cutout length is selected so that the projection piece 59 and the intermediate linking piece 58 do not come into contact with each other.

The locking device 45 of the front frame 4 configured as described above inserts a key into the keyhole 49 of the cylinder lock 48 and rotates the lock shaft 69 in the direction of arrow A shown in FIG.
The first cam piece 71 of the cam plate 70 is engaged with the engaging portion 6 of the interlocking member 67.
8, the intermediate linking piece 58 is pushed down integrally with the interlocking member 67. Then, the intermediate linking piece 58
Is moved downward, as shown by the chain line in FIG.
The upper locking piece 55 is pressed down against the bias of the spring 62 by engagement of the projection piece 59 with the upper edge of the notch 60 of the intermediate linking piece 58, and the upper hook portion 54 and the upper part of the outer frame 2 are closed. The engagement with the locking fitting 51a is released. At the same time, the lower locking piece 57 is brought into contact with the upper end of the lower locking piece 57 by the contact engagement between the lower end of the intermediate linking piece 58 and the lower locking piece 57, as shown by the chain line in FIG.
The lower hook portion 56 is disengaged from the locking metal member 51b at the lower portion of the outer frame 2 so that the front frame 4 can be opened. Become.

On the other hand, when the front frame 4 is pressed against the outer frame 2 with the front frame 4 opened, the upper hook 54 of the upper locking piece 55 and the lower hook 56 of the lower locking piece 57 are connected to the outer frame 2. The upper locking piece 55 and the lower locking piece 57 are irrespective of the intermediate linking piece 58 by contacting the lower edges of the upper and lower locking fittings 51a and 51b, respectively, and further pressing the front frame 4 against the outer frame 2. It will move downward against the bias of the springs 62 and 65. When the front frame 4 is closed, the upper edges of the upper hook portion 54 and the lower hook portion 56 respectively pass through the upper and lower locking fittings 51a and 51b of the outer frame 2, and at the same time, the springs 62 and 65 are urged. Locking piece 55 by
And the lower locking pieces 57 move upward to be engaged with the upper and lower locking fittings 51a and 51b of the outer frame 2, respectively.
As a result, the front frame 4 is locked to the outer frame 2.

As described above, the locking rod 53 is separated by the three members of the upper locking piece 55, the lower locking piece 57, and the intermediate linking piece 58, so that, for example, the upper locking piece can be locked without rotating the key. Even if an illegal act such as releasing the piece 55 or the lower locking piece 57 downward to release the engagement of the outer frame 2 with the locking fittings 51a and 51b and opening the front frame body 4 is performed, the upper locking piece is 55 and one of the lower locking pieces 57 can maintain the engaged state without interlocking,
The unauthorized opening of the front frame 4 can be reliably prevented.

An unlocking operation member 73 is rotatably mounted on the intermediate linking piece 58 at a position below the interlocking member 67. The unlocking operation member 73 has a knob 7 at one end.
12 and a position where the knob 74 projects forward from an opening 75 formed in the main frame 11 of the front frame 4 as shown by a chain line in FIG. To a position to retreat from the position. And the knob 7
4 is projected from the opening 75 to the front side, the knob 74 is pushed down by a finger to thereby make the intermediate linking piece 5
8 can be pushed down.

As described above, by providing the unlocking operation member 73 to the intermediate linking piece 58, for example, the unlocking operation member 73 is rotated to a position where the knob 74 projects from the opening 75 to the front side. If the interlocking member 67 is rotated and placed at a position where it cannot be engaged with the first cam piece 71 as shown by the chain line in FIG. 9, the front frame 4 cannot be opened using a key. To open the front frame 4, it is necessary to open the glass plate holding frame 5 first, and then push down the knob 74 of the unlocking operation member 73 to perform a two-step procedure. 4 has an advantage that it is useful for preventing unauthorized opening.

On the other hand, the locking mechanism 4 of the glass plate holding frame 5
Reference numeral 7 denotes a vertical wall 46a of the fixing plate 46, as shown in FIGS. 4 to 6, and engagement notches 76, 76 formed at upper and lower positions on a front side edge thereof, and along an inner surface of the vertical wall 46a. And a vertically long locking plate 77 mounted to be vertically movable. At the front side edge of the locking plate 77, locking portions 78, 78 that engage with the L-shaped locking metal fittings 52, 52 of the glass plate holding frame 5 at positions corresponding to the engagement notches 76 of the fixed plate 46. An engagement receiving portion 79 is formed substantially at the middle of the rear edge in the vertical direction. The locking plate 77
Is biased upward by a spring 80 so that the second cam piece 72 of the cam plate 70 fixed to the lock shaft 69 of the cylinder lock 48 is engaged with the engagement receiving portion 79 from above. ing. An opening lever 81 projecting rearward from the front frame 4 is fixed to the rear edge of the locking plate 77.

The glass plate holding frame 5 configured as described above
When the glass plate holding frame 5 is in the closed state, the locking mechanism 47 of the lock plate 47 and the locking portions 78 of the locking plate 77 urged to the upper position by the spring 80 as shown by the solid line in FIG. The L-shaped locking members 52 of the plate holding frame 5 are engaged with each other to lock the glass plate holding frame 5, and a key is inserted into the keyhole 49 of the cylinder lock 48, and the lock shaft 69 is turned into an arrow shown in FIG. B
The second cam piece 7 of the cam plate 70 is
2 engages with the engagement receiving portion 79 of the locking plate 77 from above and lowers the locking plate 77 against the bias of the spring 80.
The engagement between the locking portions 78, 78 of the locking plate 77 and the L-shaped locking members 52, 52 of the glass plate holding frame 5 is released as shown by a chain line, whereby the locking of the glass plate holding frame 5 is released. It will be unlocked and openable. When the front frame body 4 is opened and the release lever 81 is pressed down from the back side thereof, the locking plate 77 moves down in the same manner, and the glass plate holding frame 5 can be opened. .

[0026]

As is apparent from the above description, the locking device for the front frame of the pachinko game machine according to the present invention comprises a locking rod for locking the front frame and an upper locking piece and a lower locking piece. And the three members of the intermediate linking piece are separated from each other, so that it is possible to reliably prevent an unauthorized act such as opening the front frame body without relying on the rotation operation of the key, and the structure is simple. Production costs can be reduced.

[Brief description of the drawings]

FIG. 1 is a front view of a pachinko gaming machine.

FIG. 2 is a perspective view of a state in which a front plate having a glass plate holding frame and a hit ball supply tray and a lower front plate having a surplus ball tray are opened.

FIG. 3 is a rear perspective view in a state where a front frame body is opened from an outer frame.

FIG. 4 is a perspective view of a locking device portion of an outer frame and a front frame body.

FIG. 5 is a side view of the locking device.

FIG. 6 is a perspective view of a locking device.

FIG. 7 is an exploded perspective view of the locking device.

FIG. 8 is a front view of a cam plate portion of the locking device.

FIG. 9 is a side view illustrating an engagement operation between a cam plate and an interlocking member of the locking device.

FIG. 10 is a side view illustrating the operation of the upper locking piece of the locking device.

FIG. 11 is a side view illustrating the operation of the lower locking piece of the locking device.

FIG. 12 is a side view illustrating the operation of the unlocking operation member.

[Explanation of symbols]

 2 Outer frame 4 Front frame 45 Locking device 51a, 51b Locking bracket 53 Locking rod 54 Upper hook 55 Upper locking 56 Lower hook 57 Lower locking 58 Interlocking piece

Claims (1)

[Claims] 1. An outer frame, a front frame body attached to one side of the outer frame so as to be openable and closable, and a locking rod movably provided in a vertical direction on an open inner surface of the front frame body, The locking rod includes an upper locking piece having an upper hook portion that is engaged and disengaged from below with an upper locking metal member fixed to the open inner surface of the outer frame, and a locking member below and below the outer frame. A lower locking piece having a lower hook portion and an intermediate linking piece for moving both locking pieces in the unlocking direction.The upper locking piece and the lower locking piece are always upper hooks. The upper and lower hooks are urged upward by springs so as to lock the front frame by engaging the upper and lower locking members at the upper and lower portions of the outer frame from below, respectively. Only at the time of the downward movement, the interlocking piece is interlocked with the intermediate linking piece and A pachinko game characterized in that it is provided so as to be movable to a position for disengaging the hook portion and a position for disengaging the lower bracket portion from the engaging metal fitting at the lower portion of the outer frame. Locking device for the front frame of the machine.