JP3697684B2 - Locking device for game machine - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a locking device that locks a front frame of a game machine such as a slot machine or a pachinko machine.
[0002]
[Prior art]
Conventionally, for example, as a locking device that locks the front frame of a pachislot to the main body frame, a hook member is pivotally attached to the upper and lower parts of a vertically long base frame body, and the upper and lower hook members are slidably disposed in the base frame body And a locking device having a structure in which a cylinder lock is attached to an intermediate portion of the base frame so that the lock shaft is inserted inward, and a cam plate that engages the connection rod is fixed to the lock shaft. Are known. This locking device is attached to the inside of the front frame of the game machine, and when the front frame is closed, the upper and lower hook members are locked to the receiving metal fitting attached to the cabinet (main body) side of the game machine and locked. .
[0003]
[Problems to be solved by the invention]
A large number of game machines such as pachislot machines are manufactured and sold, and many electric parts are attached to the front frame of the game machine, and the space for the locking device is very narrow. Since there are various designs for the front frame of the game machine, the position of the cylinder lock of the locking device varies depending on the design.
[0004]
For this reason, the locking device for the game machine must be manufactured in a form close to that of the game machine, and the position of the hook-shaped hook member that is locked to the bracket on the cabinet side is relatively arbitrary. Although it can be determined, the position of the cylinder lock needs to be arranged at a position according to the game machine.
[0005]
In a conventional game machine locking device that has been used in the past, a wide portion is formed as a seat portion for attaching a cylinder lock on a mounting plate of a base frame body, and a cylinder lock is attached on the wide portion. The base frame was designed and manufactured exclusively for different mounting positions. For this reason, it is necessary to manufacture various locking devices according to the types of various game machines, which increases the number of parts and the number of processing steps of the locking device, which increases the manufacturing cost. Further, since the wide portion for attaching the cylinder lock is formed by pressing at a predetermined position of the attachment plate of the base frame body, there is a problem that it is difficult to obtain dimensional accuracy.
[0006]
The present invention has been made to solve the above-described problems, and can easily manufacture a plurality of types of locking devices for game machines using common parts, reducing the number of parts and the number of processing steps. It aims at providing the locking device for game machines which can aim at reduction of manufacturing cost.
[0007]
[Means for Solving the Problems]
In the locking device for a game machine of the present invention that achieves the above object, a hook member is pivotally attached to an upper portion and a lower portion of a vertically long base frame body, and upper and lower hook members are slidably disposed in the base frame body. The cam plate is fixed to the lock shaft of the cylinder lock that is connected by the scissors and arranged in the middle part of the base frame body, the cam plate can be engaged with the connection scissors, and the scissors member is tilted by the rotation operation of the cylinder lock. In the unlocking device for a game machine to be unlocked, the base frame body has a mounting plate, a support plate, and a bent end , and is formed in a vertically long shape with a substantially U-shaped cross section , and a lock mounting plate is formed separately from the base frame body It is, lock the mounting plate is provided with lock mounting portion extending from the fixed portion fixing portion fixed against the front surface of the mounting plate of the base frame on the outside of the mounting plate, locking mounting plate, group At the selected position on the front surface of the mounting plate of the frame body, the fixing portion is in contact with the front surface of the mounting plate of the base frame body, and the lock mounting portion is exposed to the outside to perform crimping Is fixed by the fixing screw, it locks the mounting portion fixedly attached to the lock mounting portion a flange portion of the terminal through the cylindrical portion in a hole cylinder lock is provided in the lock mounting portion, the supporting plate of the base frame The plurality of insertion holes for inserting the engaging portion of the cam plate fixed to the lock shaft of the cylinder lock are formed according to the mounting position of the lock mounting plate, and the coupling rod has a plurality of engaging portions. A hole is formed according to the position of the insertion hole, and the cam plate on the lock shaft of the cylinder lock on the lock mounting plate engages with the connecting rod through the insertion hole provided in the support plate from the outside of the support plate of the base frame body. It is configured to be engageable with the hole.
[0008]
[Action]
According to the gaming machine locking device configured as described above, the lock mounting plate is arranged at a selected position of the base frame body according to the model of the game machine to be mounted, and the front surface of the mounting plate of the base frame body is fixed. A lock mounting plate is fixed to the part by caulking or fixing screws. At this time, the engaging portion of the cam plate of the cylinder lock fixed to the lock mounting plate can be engaged with the engaging hole of the inner connecting rod through the insertion hole provided in the support plate of the base frame body.
[0009]
The base frame body of the locking device is attached to the inside of the front frame of the game machine, and the receiving metal fitting is attached to the main body side at a position corresponding to the flange member. When the front frame is closed to the main body side, the upper and lower flange members are locked to the receiving metal fitting while being tilted, and are locked. When unlocking, insert a predetermined key into the cylinder lock, rotate the lock shaft to rotate the cam plate, rotate the hook member through the connecting rod, and release the engagement with the receiving bracket. Do it.
[0010]
Thus, the base frame body of the present locking device is a vertically long frame body having a simple U-shaped cross section without providing a wide portion, that is, a channel shape, and thus can be easily manufactured by pressing and has high strength. Can be given.
[0011]
In addition, the cylinder lock is mounted on a lock mounting plate formed separately from the base frame body, and a plurality of insertion holes are formed on the support plate of the base frame body according to the mounting position of the lock mounting plate. A plurality of engagement holes are formed in the rod according to the mounting position of the lock mounting plate, and the cam plate of the lock shaft of the cylinder lock on the lock mounting plate is selectively fixed to the fixing portion on the front surface of the base frame body. Since it is configured to be able to engage with the engagement hole of the connecting rod through the insertion hole provided in the support plate from the outside of the support plate of the base frame body, the base frame body and the lock mounting plate are provided for a plurality of game machines. Parts can be used in common, and only by changing the fixing position of the base frame body to the mounting plate on the lock mounting plate, it can be compatible with multiple types of game machines, with fewer parts and processing man-hours, A locking device for a plurality of game machines can be manufactured at low cost.
[0012]
Furthermore, if a bent portion that engages from the outside with the corner of the mounting plate of the base frame body is provided at the end of the lock mounting plate, this bent portion is engaged with the corner of the mounting plate of the base frame body. In this state, the fixing portion of the lock attachment plate and the attachment plate of the base frame body can be accurately fixed. Further, if the fixing portion of the lock mounting plate and the mounting plate of the base frame body are caulked and fixed, the lock mounting plate can be fixed at a predetermined position of the base frame body with higher accuracy than only by pressing. .
[0013]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the drawings. 1 is a front view of the game machine locking device, FIG. 2 is a left side view thereof, and FIG. 3 is a right side view thereof. Reference numeral 3 denotes a vertically long base frame that is integrally formed in a substantially U-shaped cross section by bending the support plate 2 and the bent end portion 4 at substantially right angles on both sides of the mounting plate 1. On the upper part and the lower part, saddle members 8 and 8 are pivotally supported by pivots 8a and 8a so that the end portions thereof are swingable. That is, a narrow bent end 4 is formed at a side end on the open side of the mounting plate 1 so as to be bent perpendicularly to the back side, and the mounting plate 1, the support plate 2, and the bent end 4 form a base. The frame 3 is reinforced with a U-shaped cross-section, and a wire or the like is inserted from a gap in the front frame to prevent the cam plate and the connecting rod from moving illegally.
[0014]
As shown in FIG. 1, the base frame 3 has a simple U-shaped cross section in which the mounting plate 1 is formed in a belt shape having both sides straight, without providing a wide portion in the middle portion. By forming a channel shape similar to the channel material, it can be easily formed by press working, and has a sufficiently high strength.
[0015]
The middle part of the both flange members 8 and 8 is connected to the upper end and the lower end of the strip-shaped connecting rod 9 via the shafts 8b and 8b. The connecting rod 9 is slidably disposed along the inner side of the support plate 2, and an elongated hole 9 b is formed in an intermediate portion thereof. The guide pin 2b is fixed to the corresponding portion of the support plate 2 through the elongated hole 9b, and the vertical movement of the connecting rod 9 is guided by the guide pin 2b. A coil spring 13 for biasing the connecting rod 9 upward is hung between the connecting rod 9 and the mounting plate 1. The connecting rod 9 is provided with a plurality of engaging holes 9a for engaging engaging portions 6a of a cam plate 6 of a cylinder lock 10 to be described later. These engagement holes 9a, 9a, 9a are provided with, for example, three positions shifted in the vertical direction, and are connected to the common base frame 3 in accordance with the arrangement position of the cylinder lock 10, that is, the attachment position of the lock attachment plate 5. The bag 9 is configured to be usable. The support plate 2 is provided with insertion holes 2a, 2a, 2a at positions corresponding to the engagement holes 9a, 9a, 9a of these connecting rods 9.
[0016]
As shown in FIG. 9, the lock mounting plate 5 to which the cylinder lock is attached is formed as a member separate from the base frame body 3, and is fixed to a preset position at a substantially central portion of the support plate 2 by caulking. The As shown in FIG. 10A, the caulking process is performed, for example, by a press machine using a punch 30 and a concave die, and the lock mounting plate 5 and the mounting plate 1 of the base frame 3 are in a predetermined position. The press 30 presses and presses the punch 30 and the concave die 31 so as to sandwich both materials, and both the materials are plastically deformed to fix the lock mounting plate 5 and the base frame 3. In addition, fixation to the attachment plate 1 of the base frame body 3 of the lock attachment plate 5 can also be fixed by a fixing screw 19 as shown in FIG. Further, the lock mounting plate 5 can be fixed to the mounting plate 1 by welding or rivets.
[0017]
The lock mounting plate 5 includes a fixing portion 5a with which the mounting plate 1 of the base frame 3 abuts, a lock mounting portion extending to the left side of the fixing portion 5a, and a bent portion provided at the right end of the fixing portion 5a. And a cylinder lock 10 is mounted on the lock mounting portion. As shown in FIG. 5, the lock mounting plate 5 is positioned and fixed in the width direction by aligning the corner of the bent portion 5 b with the corner of the bent end portion 4 of the base frame body 3. However, in the longitudinal direction of the base frame body 3, the engaging portion 6a of the cam plate 6 is any of the engaging holes 9a, 9a, 9a of the connecting rod 9 and the insertion holes 2a, 2a, 2a of the support plate 2. Is selected and positioned to be engageable. By selecting the position of the lock mounting plate 5 as described above, the position of the cylinder lock 10 is selected, and a locking device suitable for various game machines can be manufactured.
[0018]
The cylinder lock 10 is formed with a long casing, and a flange portion 10b for attachment is provided at the base portion thereof. When the cylinder lock 10 is attached to the lock attachment plate 5, the cylinder lock 10 is provided in a hole provided in the lock attachment plate. The flange portion 10b is fixed by screwing the flange portion 10b to the back side of the lock mounting plate 5 through the cylindrical portion.
[0019]
A cam plate 6 is fixed to the tip of the lock shaft 11 of the cylinder lock 10, the cam plate 6 is formed in a substantially L shape, and an engaging portion 6 a and a switch operating portion 6 b are provided at the tip portions. As described above, the engaging portion 6a can be engaged with any one of the engaging holes 9a provided in the intermediate portion of the connecting rod 9 when the cylinder lock 10 is rotated to the right side. Further, a non-contact switch (such as a transmission type photoelectric switch or a proximity switch) 7 is mounted on the lock mounting plate 5. When the cylinder lock 10 is operated to the left by the key and the lock shaft 11, that is, the cam plate 6 rotates by a predetermined angle in the same direction, the non-contact switch 7 enters the non-contact switch 7. , Placed in a position to turn it on. The attachment portion of the non-contact switch 7 may have a simple structure in which a part of the lock attachment plate 5 is bent upward and a rectangular hole is provided there, and the attachment can be simply performed by fitting the switch. .
[0020]
A return torsion spring 12 is fitted on the outer periphery of the lock shaft 11, and when the cylinder lock 10 is operated in the switch operating direction, the torsion spring 12 automatically returns it to its original position. The torsion spring 12 may be a small spring, and can be easily set by simply hooking the end of the torsion spring 12 to the flange portion and the cam plate.
[0021]
Further, the lower portion of the support plate 2 is formed wide, and a roller 15 is rotatably supported on the outside of the wide portion. The roller 15 is a metal fitting attached to the main body of the game machine when the front frame is closed. 23 is lifted on the sliding plate 24 to facilitate the opening and closing operation. As shown in FIG. 6, a conical recess 10a is formed at the tip of the keyhole of the cylinder lock 10 around the tip of the lock shaft, and this conical recess 10a serves as a guide to facilitate key insertion. Yes.
[0022]
As shown in FIG. 8, the locking device for a game machine having the above-described configuration is vertically mounted by fixing the mounting plate 1 of the base frame body 3 with screws inside the front frame 21 of a game machine such as a pachislot machine. .
[0023]
The base frame body 3 is formed to have a length substantially corresponding to the total height of the front frame 21 of the game machine, and an extending portion 3a is extended above the brim member 8 at the upper portion thereof, and below the pivot portion of the roller 15 thereof. The base frame body 3 in which the extension portions 3b are extended and the extension portions 3a and 3b are integrally provided vertically is fixed to the inner side of the front frame 21. By fixing, the front frame 21 is effectively reinforced. In particular, in the case of a front frame made of a synthetic resin having a low strength, it is possible to effectively reinforce the base frame body 3 of such a locking device by fixing the base frame body 3 over substantially the entire inner height.
[0024]
On the main body 20 side of the game machine, a vertically long metal fitting 25 is fixed by a fixing screw or the like along a position corresponding to the upper and lower flange members 8. Locking portions 22 and 23 that are bent substantially in an L shape and protrude inward are provided at the receiving metal 25 at positions corresponding to the upper and lower flange members 8, and a sliding plate 24 is provided below the locking portion 23. .
[0025]
When the front frame 21 is closed, when the front frame 21 is closed so as to press against the main body 20, the upper and lower flange members 8 swing downward and return upward to engage with the locking portions 22 and 23. The frame 21 is locked. When closed, the roller 15 rests on the sliding plate 24 on the main body side, and the front frame 21 is slightly lifted and closed smoothly.
[0026]
On the other hand, when opening the front frame 21 of the game machine, the key is inserted into the cylinder lock 10 and rotated in the clockwise (right) direction. The lock shaft 11 of the cylinder lock 10 rotates the cam plate 6 in the counterclockwise direction of FIG. 4, and the engaging portion 6a on the cam plate 6 engages with the long hole of the connecting rod 9 and slides it downward. At this time, the eaves members 8 at both upper and lower ends swing downward, disengage from the engaging portions 22 and 23 of the receiving metal fitting 25, become unlocked, and the front frame 21 becomes openable.
[0027]
When resetting is performed by operating the reset non-contact switch 7, the key for unlocking is used to turn the key in the opposite direction to unlocking, that is, counterclockwise. At this time, the cam plate 6 rotates in the clockwise direction in FIG. 7, and the switch operating portion 6 b that is a part of the cam plate 6 enters the non-contact switch 7. As a result, the non-contact switch 7 is activated, and a reset signal is output and resetting is performed. The reset operation by the key is returned by the torsion spring 12 fitted on the lock shaft 11, and the cam plate 6 automatically returns to the position shown in FIG. 4 after the reset.
[0028]
In this way, the lock mounting plate 5 for mounting the cylinder lock 10 is formed separately from the base frame body 3, and the mounting position of the lock mounting plate 5 to the mounting plate 1 of the base frame body 3 is set in advance of the connecting rod 9. Since it is possible to select the positions determined with respect to the engagement holes 9a, 9a, 9a and the insertion holes 2a, 2a, 2a of the support plate 2, a plurality of types of game machines having different cylinder lock positions (height positions) Can be manufactured by using common parts such as the base frame 3 and the lock mounting plate 5, thereby greatly reducing the manufacturing cost. Further, the base frame body 3 is constituted by a U-shaped member formed by bending the support plate 2 and the bent end portion 4 at right angles to the back side on both sides of the mounting plate 1, that is, a channel-shaped member. Therefore, the strength of the base frame body is increased, and since there is no wide portion in the middle of the mounting plate and the shape is simple, variation in dimensions can be minimized.
[0029]
【The invention's effect】
As described above, according to the gaming machine locking device of the present invention, components of the base frame and the lock mounting plate can be commonly used for a plurality of game machines, and the base in the lock mounting plate can be used. By simply changing the fixing position of the frame to the mounting plate, it can be used for multiple types of game machines, and it can produce locking devices for multiple types of game machines at low cost with a small number of parts and processing man-hours. be able to. In addition, since the base frame is a vertically long frame having a simple U-shaped cross section without providing a wide portion, that is, a channel shape, the base frame can be easily manufactured by pressing and can have high strength. it can.
[Brief description of the drawings]
FIG. 1 is a front view of a game machine locking device according to an embodiment of the present invention.
FIG. 2 is a left side view of the same.
FIG. 3 is a right side view of the same.
FIG. 4 is a rear view of the same.
FIG. 5 is a plan view of the same.
FIG. 6 is a right side view of the state in which the hook member is unlocked.
FIG. 7 is a rear view showing a state where a switch is reset.
FIG. 8 is a left side view showing a usage state of the apparatus.
FIG. 9 is an exploded perspective view in a state where a lock mounting plate is removed.
10A is an enlarged cross-sectional view of a state in which a lock mounting plate is attached by caulking, and FIG. 10B is an enlarged cross-sectional view of a state in which the lock mounting plate is attached by a fixing screw.
[Explanation of symbols]
1-mounting plate 2-support plate 3-base frame 6-cam plate 6b-switch operating portion 7-non-contact switch 8-flange member 9-connecting rod 10-cylinder lock

Claims (3)

The eaves members are pivotally attached to the upper and lower parts of the vertically long base frame body, and the upper and lower eaves members are connected to each other by a connecting eaves slidably disposed in the base frame body. A locking device for a game machine, in which a cam plate is fixed to a lock shaft of the arranged cylinder lock, the cam plate can be engaged with the connecting rod, and the hook member is tilted and unlocked by rotating the cylinder lock. In
The base frame body has a mounting plate, a support plate, and a bent end , and is formed in a vertically long shape with a substantially U-shaped cross section. A lock mounting plate is formed separately from the base frame body. A fixing portion fixed in contact with the front surface of the mounting plate of the base frame body and a lock mounting portion extending from the fixing portion to the outside of the mounting plate are provided, and the lock mounting plate is provided on the base frame body. At the selected position on the front surface of the mounting plate, the fixing portion is brought into contact with the front surface of the mounting plate of the base frame body, and the lock mounting portion is moved outward to be fixed by caulking or fixing screws. The cylinder lock is attached to the hole provided in the lock attachment portion by passing the cylindrical portion thereof, and the flange portion at the end thereof is fixed to the lock attachment portion, and the lock of the cylinder lock is attached to the support plate of the base frame body. A plurality of insertion holes for inserting engaging portions of the cam plate fixed to the shaft are formed according to the mounting position of the lock mounting plate, A plurality of engagement holes are formed in accordance with the positions of the insertion holes, and a cam plate on the lock shaft of the cylinder lock on the lock mounting plate is provided on the support plate from the outside of the support plate of the base frame body. A locking device for a game machine, wherein the locking device is configured to be engageable with an engagement hole of the connecting rod through the insertion hole. Claims, characterized in that the end of the fixed portion side of the lock mounting plate, bent portions for positioning by engaging from the outside corner of the bent end of the base frame is provided The game machine locking device according to claim 1. 2. The game machine locking device according to claim 1 , wherein a non-contact switch is mounted on the lock mounting plate, and a switch operating portion for operating the non-contact switch is provided on a part of the cam plate .

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