JP4053388B2 - Game machine locking device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a locking device for a game machine that locks a front frame (front door) of a game machine such as a pachinko machine or a slot machine to a main body frame (cabinet).
[0002]
[Prior art]
Conventionally, as a locking device for a pachinko machine, generally, an operating rod is slidably disposed inside a base frame body, and a hook member is connected to the upper and lower portions of the support plate of the base frame body so as to tilt. It is pivotally supported, and the cylinder lock is fixed to the middle part of the mounting plate of the base frame body so that the lock shaft is inserted inward from the hole provided in the mounting plate, and is engaged with the operating rod at the tip of the lock shaft. A locking device having a configuration in which a cam plate is attached is used.
[0003]
[Problems to be solved by the invention]
Although this type of game machine locking device has a strong structure and can perform locking and unlocking operations with certainty, the locking device collar attached to the inside of the front frame is the inner side of the front frame. Protrude from. For this reason, when the assembly of the front frame is packed and transported, the packaging is difficult, and there is a problem that the protruding collar member hits other parts during transportation and is damaged.
[0004]
Therefore, the present inventors have conventionally proposed a locking device for a pachinko machine that does not have a portion protruding from the inside of the front frame and can lock and unlock the front frame with respect to the main body frame smoothly and reliably ( (See Patent Document 1 below).
[0005]
[Patent Document 1]
In this locking device, a long operating rod is slidably disposed inside a base frame body having a mounting plate bent in an L-shaped cross section and a support plate, and is attached to an intermediate portion of the mounting plate. The cylinder lock is fixed, the cam plate is attached to the lock shaft of the cylinder lock so as to be engageable with the operating rod, the mounting plate of the base frame is attached to the inside of the front frame, and the receiving bracket is attached to the inside of the main body frame The locking device is formed with openings that allow the receiving metal fittings to enter the upper and lower portions of the support plate of the base frame body, and the latch members having lock recesses that restrain the receiving metal fittings in the opening portions are the upper and lower opening portions. Are pivotally supported in the vicinity of each other, and engaging pins are attached to the upper and lower portions of the operating rod, and when the upper and lower latch members are pushed by the receiving bracket and rotated to the latch position, For the engagement pin to engage and lock into the latched position Engaging portion is formed in a portion of the latch member comprises a coil spring for biasing the operating rod to the locked side to urge the latch member to the unlocking side is hung on actuation plates and the latch member.
[0006]
However, this locking device has no portion protruding from the inside of the front frame and can lock and unlock the front frame with respect to the main body frame smoothly and reliably, but the engagement pins are arranged on the upper and lower parts of the operating rod. The work of assembling, the work of assembling while engaging the latch pin and the engagement pin of the operating rod, the work of mounting the coil spring between the latch member and the operating plate, etc. are complicated, and the assembling workability is poor There was a problem that there was a problem and lacked versatility for locking devices of different sizes.
[0007]
The present invention has been made in view of the above points, and it is possible to assemble components including a latch member with good workability, and to manufacture with good versatility for various sizes of locking devices. An object of the present invention is to provide a locking device for a game machine.
[0008]
[Means for Solving the Problems]
In order to achieve the above object, a locking device for a game machine according to the present invention is characterized in that a long operating rod slides along a support plate of a base frame having a mounting plate bent in a substantially L-shaped cross section and a support plate. The cylinder lock is fixed to the middle portion of the mounting plate, the cam plate is attached to the lock shaft of the cylinder lock so as to be engageable with the operating rod, and the mounting plate of the base frame body is a game In a locking device for a game machine that is attached to the inside of the front frame of the machine and that has a metal fitting attached to the inside of the main frame of the game machine, the metal fitting is allowed to enter above and below the support plate of the base frame body An opening is formed, and a latch member having a lock recess for restraining the metal fitting in the opening is pivotally supported in the vicinity of the upper and lower openings, and a latch pin is provided on the latch member. Protrusively projecting toward the support plate, on the upper and lower parts of the support plate Guide locking holes with which the locking pins are engaged are provided, and an operating mechanism for engaging with the locking pins of the latch member and moving it in the unlocking direction at the upper and lower portions of the operating rod at the time of unlocking. When the latch member is pushed by the receiving bracket and rotated to the latch position, the latch pin of the latch member engages with the lock portion of the guide latch hole of the support plate and the latch member is provided. The latch member is configured to hold the member in the latch position, and the latch member holds the lock pin movably, urges the lock pin to the locking side, and applies the latch member itself to the unlocking side. It is characterized in that a spring member for energizing is built in.
[0009]
Here, as in claim 2, the latch member is provided with an engagement hole on the support plate side, and a support convex portion protruding from the support plate is movably inserted into the engagement hole. The spring member abuts against the support convex portion, and the latch member can be biased toward the unlocking side.
[0010]
According to a third aspect of the present invention, the latch member includes a latch main body and a cover portion that covers a side portion of the latch main body, and the engagement hole and the locking pin project into the cover portion. The spring member and the locking pin can be accommodated in a space formed in the latch body.
[0011]
According to a fourth aspect of the present invention, a pin with a tip flange is provided on the metal fitting, and the pin with the tip flange is allowed to enter the opening to be constrained in the lock recess of the latch member.
[0012]
[Action]
In the locking device having such a configuration, when the front frame is closed with respect to the main body frame, the receiving member enters the lock recess of the latch member from the opening of the support plate, and the receiving member pushes the latch member into the latch member. Rotates, and the receiving metal fitting is constrained in the lock recess of the latch member. At this time, since the latch pin of the latch member enters and is locked into the lock portion of the guide latch hole on the support plate side, the latch member is held at the latch position, and the receiving metal fitting is inside the lock recess of the latch member. Locked to the locked state.
[0013]
When the key of the cylinder lock is turned, the cam plate rotates and the operating rods engaged therewith move, so that the operating engagement portions provided on the upper and lower portions of the operating rods engage the locking pins of the latch member. Move in the unlocking direction. As a result, the locking pin is disengaged from the lock portion of the guide locking hole of the support plate. At this time, the latch member is rotated to the unlocking side by the biasing force of the spring member, and the locked receiving metal fitting is It comes out of the lock recess and is pushed out of the opening to enter the unlocked state.
[0014]
In this locking device, a latch pin and a spring member are built in the latch member to form a unit, the latch member is pivotally supported on a predetermined portion of the support plate, and the operating rod is slidably disposed along the support plate. The device can be manufactured with a relatively simple assembling work by simply attaching the cylinder lock and the cam plate, and there is no need to assemble small parts such as spring members and pins on the production line of the locking device. The assembly workability in the production line can be greatly improved.
[0015]
Further, by making the latch member incorporating the locking pin and the spring member into a unit, it is possible to easily cope with the malfunction of the latch member at the time of manufacture or when the latch member is replaced at the time of failure. Furthermore, it is possible to use a unitized latch member as a common component with various versatility for locking devices of various sizes having different lengths and widths, thereby reducing manufacturing costs. Moreover, if a pin with a flange at the tip is provided on the metal fitting, it can be prevented from coming off at the time of locking, and can be locked / unlocked smoothly.
[0016]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings. 1 is a right side view of the locking device, FIG. 2 is a rear view thereof, and FIG. 3 is a left side view thereof. This locking device has a vertically long base frame body 1, which comprises a mounting plate 2 and a support plate 3 bent in a substantially L-shaped cross section, and the mounting plate 2 has a plurality of mounting holes. Is done. The intermediate portion of the support plate 3 is formed as an intermediate support portion 3a so as to protrude to the left side, the portion of the mounting plate 2 corresponding to the intermediate support portion 3a is formed wide, and a cylinder lock 17 described later is attached to that portion. It is done.
[0017]
Openings 7 and 7 are formed in the upper and lower portions of the support plate 3 that are formed to be slightly wider so as to receive the pin 21 with the flange at the end of the receiving bracket 20 described later. Further, as shown in FIG. 5, guide locking holes 8 and 8 for guiding and locking a locking pin 14 of a latch member 10 described later are formed in the support plate 3 slightly below the openings 7 and 7. The
[0018]
The guide locking holes 8 and 8 are formed of an arc-shaped portion and a lock portion 8a and 8a parallel to the following actuating rod 4, and the lock pin 14 of the latch member 10 moves through the guide hole 12a to lock the lock portion 8a. , 8a, the latch member 10 is latched and locked. In the vicinity of the upper and lower openings 7, 7, latch members 10, 10 that restrain the pins 21, 21 of the metal fittings that have entered the openings 7, 7 are pivotally supported by the shaft pins 6, 6. The
[0019]
Furthermore, support convex portions 9 and 9 are provided on the support plate 3 slightly above the guide locking holes 8 and 8 so as to protrude inward, that is, on the latch members 10 and 10 side. As shown in FIG. 7, the support protrusion 9 enters the arcuate engagement hole 12 b of the latch member 10 and contacts the spring member 13. Accordingly, when the latch member 10 receives the rotational force in the locking direction as shown in FIG. 10, the spring member 13 biases the latch member 10 in the counterclockwise direction, that is, the unlocking direction in FIG.
[0020]
The latch member 10 is formed with a lock recess 15 for receiving and restraining the pins 21 and 21 of the receiving metal fitting. Further, in the latch member 10, the latch member 10 is brought into a latched state as shown in FIGS. A locking pin 14 for locking and a spring member 13 for biasing are incorporated. That is, as shown in FIG. 6, the latch member 10 is formed having a latch body 11 and a cover portion 12 covering the latch body 11, a space is formed in the latch body 11, and a spring member 13 is formed in the internal space. The locking pin 14 is stored. The latch body 11 can be molded using a plastic such as a polyamide resin, and the cover portion 12 is formed using a metal plate.
[0021]
When the latch member 10 is rotated to the latch position as shown in FIG. 10, the lock pin 14 is locked at that position to lock the latch member 10 from the guide hole 12 a formed in the cover plate 12. And is always urged outward by the spring member 13.
[0022]
The spring member 13 is a torsion spring having a torsional shape as shown in FIGS. 6 and 7, and the support protrusion 9 is provided so as to urge the locking pin 14 at one end and project inside the support plate 3 at the other end. The central ring portion is externally fitted to the shaft pin 6 of the latch member 10. The support protrusion 9 enters and engages with the arcuate engagement hole 12b formed in the cover plate 12 of the latch member 10, and the other end of the spring member 13 in the latch member 10 is the support protrusion. 9 is engaged. That is, when the other end of the spring member 13 is engaged with the support convex portion 9, the latch member 10 is biased by receiving a spring force relative to the unlocking side (clockwise in FIG. 10).
[0023]
The latch member 10 having the structure as shown in FIGS. 6 and 7 is unitized by incorporating a spring member 13 and a locking pin 14 therein. That is, the latch pin 14 and the spring member 13 are assembled in the latch body 11, and the cover plate 12 is fixed with the fixing screw 16, and is manufactured in advance before the assembly process of the locking device. Thereby, in the production line of the locking device, it is only necessary to pivotally support the latch member 10 with the shaft pin 6, and the assembling work is simplified.
[0024]
The vertically long and belt-like operating rod 4 is slidably disposed along the outside of the support plate 3 of the base frame 1 and the inside of the intermediate support plate 3a. As shown in FIG. 5, the operation engagement portion 4 a, 4 a protrudes from the support plate 3 side and the latch member 10 side at the upper and lower portions of the operation rod 4. It has entered into the lock portion 8a of the guide lock hole 8 where the pin 14 is arranged, and when unlocking, the lock pin 14 is pushed at the tip of the operation engagement portion 4a, 4a to release the latch. is there.
[0025]
In addition, an engagement hole 4d for engaging a cam plate 18 described later is formed in the operating rod 4 below the intermediate portion. Further, guide holes 4c and 4c are formed in the upper and lower portions of the operating rod 4, and the guide pins 4b and 4b are inserted into the guide holes 4c and 4c and fixed to the support plate 3, whereby the operating rod 4 The vertical sliding is guided by the guide pins 4b and 4b.
[0026]
The operating rod 4 is disposed along the support plate 3 so as to cover the latch members 10, 10. The latch members 10, 10 are attached to the unlocking side between the operating rod 4 and the latch members 10, 10. Coil springs 9 and 10 for urging the urging operating rod 4 to the locking side are hung.
[0027]
A hole is formed in the intermediate wide portion of the mounting plate 2 of the base frame body 1, and the cylinder lock 17 is attached to the hole so as to be inserted from the inside. The cylinder lock 17 has a flange and is fixed to the mounting plate 2 by screwing the flange. The lock shaft of the cylinder lock 17 protrudes to the inside of the base frame body 1, and a cam plate 18 is fixed to the tip thereof. The cam plate 18 is formed with a first engaging convex portion and a second engaging convex portion, and the first engaging convex portion is formed on the operating rod 4 according to the clockwise rotation of the key of the cylinder lock 17. The second engagement convex portion engages with the engagement hole portion 4d, and can engage with an engagement portion 19b of a switch operating rod 19 described later according to the left rotation. Further, since the first engagement convex portion of the cam plate 18 always enters the engagement hole 4d of the operating rod 4, it moves only by the rotation of the cam plate 18 and inserts a wire or the like. Even if the tip is hooked on the operating rod 4 to move the operating rod 4 in the unlocking direction, the movement is impossible.
[0028]
As shown in FIG. 2, the switch operating rod 19 is slidably disposed between the operating rod 4 and the intermediate support plate 3a, and a part of the operating portion 19a is located outward from the long hole of the intermediate support plate 3a. Protruding. As shown in FIG. 2, a non-contact switch 25 is fixed to the intermediate support portion 3a below the operation portion 19a via a bracket. A coil spring 26 for biasing the switch operating rod 19 upward and biasing the operating rod 4 downward is applied between the operating rod 4 and the operating rod 4. When the key of the cylinder lock 17 is turned counterclockwise, the cam plate 18 rotates, the cam plate 18 engages with the engaging portion 19b, and the switch operating rod 19 is lowered against the biasing force of the coil spring 26. The operating portion 19a enters the non-contact switch 25, and the switch is turned on / off.
[0029]
As shown in FIGS. 11 and 12, the locking device configured as described above is fixed to the inside of the front frame (front door) 22 of the game machine via the mounting plate 2, and is installed in the main body frame (cabinet) 23. The receiving bracket 20 is attached to the facing position. As shown in FIGS. 8 and 9, the metal fitting 20 is formed in a vertically long shape, and is formed by projecting a pin 21 with a tip flange at the upper part and the lower part thereof. When the front frame 22 is closed, the tip flanged pin 21 can enter the openings 7 and 7 of the support plate 3 of the base frame body 1 and the lock recess 15 of the latch member 10. The flange 21 with the tip flange is provided with a flange at the tip so that it is difficult to disengage when engaged with the lock recess 15. In addition, a sliding plate 20 a for mounting a support roller 24 pivotally supported on the lower portion of the base frame 1 is attached to the lower portion of the receiving metal fitting 20.
[0030]
As shown in FIG. 11, when the front frame 22 is closed with respect to the main body frame 23, the pins 21 and 21 with the tip flanges of the upper and lower receiving brackets 20 are connected to the latch members 10 and 10 from the upper and lower openings 7 and 7. It enters into the lock recesses 15 and 15. At this time, as shown in FIG. 10, the pins 21, 21 with flanges at the front end are pushed into the latch members 10, 10, and the latch members 10, 10 rotate counterclockwise in FIG. 10. When the latch members 10 and 10 are rotated to the position shown in the lower stage, the locking pin 14 in the latch member 10 is moved in the guide hole 12a by the biasing force of the spring member 13, whereby the locking pin 14 is moved to the guide engagement. It enters into the lock portion 8a of the stop hole 8.
[0031]
At this time, the rotation of the latch members 10 and 10 is locked, and as shown in FIG. 12, the pins 21 and 21 with the flanges on the front end of the metal fitting 20 are restrained in the lock recesses 15 and 15 of the latch members 10 and 10. The latch members 10 and 10 are held at the latch position, and are locked.
[0032]
When unlocking the front frame 22, when the key inserted into the cylinder lock 17 is turned to the right, the cam plate 18 rotates in the same direction, and the operating rod 4 engaged therewith moves upward, whereby The upper and lower operation engagement portions 4a (inserted into the lock portions 8a of the guide lock holes 8 of the support plate 3) move in the same manner, and the lock pins 14 in the lock portions 8a are moved to the left side of FIG. Acts to push on. As a result, the locking pin 14 moves from the lock portion 8a to the guide locking hole 8, thereby unlocking the latch members 10 and 10 at the latch position. At this time, the latch members 10 and 10 are rotated in the clockwise direction of FIG. 10 by the urging force of the spring member 13, and the pins 21 and 21 of the receiving metal fittings 20 and 20 that are restrained are locked recesses 15 of the latch members 10 and 10. , 15 and is also pushed out of the opening 7 to be unlocked. Further, as described above, since the operation engaging portion 4a of the operating rod 4 is fitted into the lock portion 8a of the guide locking hole 8 of the support plate 3, a wire or the like is inserted, and the tip thereof is operated and engaged. It is impossible to hook onto the portion 4a, and unauthorized unlocking with a wire or the like can be prevented.
[0033]
When the non-contact switch 25 is operated, when the key inserted into the cylinder lock 17 is turned counterclockwise, the cam plate 18 rotates in the same direction, and the switch operating rod 19 engaged therewith moves downward to operate. When the part 19a is lowered, the operating part 19a enters the non-contact switch 25, and the switch 25 is turned on and off.
[0034]
As described above, the openings 7 and 7 are formed in the upper and lower portions of the support plate 3 of the base frame body 1, and the latch members 10 and 10 are pivotally supported in the vicinity of the openings 7 and 7. 7 is configured to hold and lock the pin 21 with the front end flange of the metal fitting 20 that has entered into the locking recesses 15 and 15 of the latch members 10 and 10, so that the conventional scissors member is the rear surface of the locking device. If the assembly of the front frame is packed and transported without protruding to the side, the packaging can be performed easily, and there is no protruding saddle member. Can be resolved.
[0035]
Further, the latch member 10 used here is a unit in which the spring member 13 and the locking pin 14 are built in, and the latch member 10 can be manufactured in advance, so that the production line of the locking device Assembling work can be simplified.
[0036]
【The invention's effect】
As described above, according to the locking device for a game machine of the present invention, the latch pin and the spring member are built in the latch member to form a unit, and the latch member is pivotally supported on a predetermined portion of the support plate, Can be slidably arranged along the support plate, and the locking device can be manufactured by a relatively simple assembling operation by simply attaching the cylinder lock and the cam plate. Since there is no need to assemble small parts such as pins and pins, the assembly workability on the production line can be greatly improved.
[0037]
Further, by making the latch member incorporating the locking pin and the spring member into a unit, it is possible to easily cope with the malfunction of the latch member at the time of manufacture or when the latch member is replaced at the time of failure. Furthermore, it is possible to use a unitized latch member as a common component with various versatility for locking devices of various sizes having different lengths and widths, thereby reducing manufacturing costs.
[Brief description of the drawings]
FIG. 1 is a right side view of a locking device according to an embodiment of the present invention when locked.
FIG. 2 is a rear view of the apparatus.
FIG. 3 is a left side view of the apparatus.
FIG. 4 is an exploded rear view of the apparatus.
FIG. 5 is an exploded side view of the apparatus.
6 is an exploded perspective view of the latch member 10. FIG.
7 is a rear view of the latch member 10. FIG.
FIG. 8 is a right side view of the metal fitting 20;
FIG. 9 is a front view of the receiving metal fitting 20;
10 is an operation explanatory view showing a latch operation of the latch member 10. FIG.
FIG. 11 is a cross-sectional explanatory view of a use state.
FIG. 12 is an explanatory cross-sectional view in a locked state.
[Explanation of symbols]
1-base frame 2-mounting plate 3-support plate 4-operating rod 6-shaft pin 7-opening portion 8-guide locking hole 8a-lock portion 10-latch member 11-latch body 12-cover plate 13-spring Member 14-Locking pin 15-Lock recess 17-Cylinder lock 18-Cam plate 20-Receiving bracket 21-Pin with flange at the tip

Claims (4)

A long working rod is slidably disposed along the support plate of the base frame having a mounting plate and a support plate bent in a substantially L-shaped cross section, and a cylinder lock is fixed to an intermediate portion of the mounting plate. A cam plate is attached to the lock shaft of the cylinder lock so as to be engageable with the operating rod, and an attachment plate of the base frame body is attached to the inside of the front frame of the game machine, and inside the main body frame of the game machine In the locking device of the game machine to which the catch is attached,
Openings that allow entry of the metal fittings are formed in the upper and lower parts of the support plate of the base frame body, and latch members having lock recesses that restrain the metal fittings in the openings are provided on the upper and lower openings. The latch member is pivotally supported in the vicinity, and the latch member is provided with a latch pin projecting toward the support plate so as to be movable, and the latch pin is engaged with the upper and lower portions of the support plate. Guide locking holes are provided, and upper and lower portions of the operating rods are provided with operating engagement portions for engaging with the locking pins of the latch member and moving in the unlocking direction when unlocked. When the member is pushed by the receiving bracket and rotated to the latch position, the latch pin of the latch member engages with the lock portion of the guide latch hole of the support plate so as to hold the latch member in the latch position. The latch member holds the locking pin so as to be movable and the locking pin. Locking device of a game machine, characterized in that it is constituted by an internal spring member for urging the urging by and latch member itself in the locking side unlocking side. The latch member is provided with an engagement hole on the support plate side, a support convex portion protruding from the support plate is movably inserted into the engagement hole, and the spring member is formed on the support convex portion. 2. The locking device for a game machine according to claim 1, wherein the latch member is abutted and biased toward the unlocking side. The latch member includes a latch main body and a cover plate that covers a side portion of the latch main body, and the cover plate is formed with a guide hole through which the engagement hole and the locking pin protrude, and the latch main body is formed in the latch main body. The locking device for a game machine according to claim 2, wherein the spring member and the locking pin are accommodated in the formed space. The locking device for a game machine according to claim 1, wherein a pin with a flange at the front end is provided on the metal fitting, and the pin with the flange at the front end enters the opening and is restrained in a lock recess of the latch member.

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