JP2004254935A - Lock device for game machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a lock device for a game machine preventing a hook member from impeding when performing a maintenance of the game machine by eliminating the projection of the hook member from a base frame. <P>SOLUTION: The base frame 1 of a lock device body H having an attachment plate 2 and a support plate 3 is formed into a vertically long shape, a sliding rod 6 is slidably disposed inside the base frame 1 along the support plate 3 and lock parts 4 and 5 are provided respectively in the upper part and the lower part of the support plate 3. A cylinder lock 7 is attached to the attachment plate 2 of the base frame 1 with its lock shaft inserted in the inside and a cam member 8 engaged with the sliding rod 6 is provided in the tip of the lock shaft. Unlock operation parts 61 and 62 are provided respectively in the upper part and the lower part of the sliding rod. The hook members 24 and 25 are tiltably pivoted respectively to the upper part and the lower part of a reception metal fitting 20, which are provided with coil springs 28 and 29 energizing the hook members 24 and 25 in the locking direction. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a locking device for locking a front door (front frame) of a gaming machine such as a slot machine or a pachinko machine to a housing (main body frame), and particularly to a locking device for a gaming machine having a structure in which a hook member does not protrude from a base frame. Equipment related.
[0002]
[Prior art]
As a locking device for locking a front frame (front door) of a gaming machine to a main body frame, a sliding rod is slidably disposed inside a base frame including a mounting plate and a support plate having a substantially L-shaped cross section. A hook member is connected to a sliding rod at the upper and lower portions of the support plate and pivotally supported so as to be tiltable, and a cylinder lock is inserted into a middle portion of the mounting plate inwardly from a hole provided in the mounting plate with its lock shaft. A locking device in which a cam member that is engaged with a sliding rod is fixed to the tip of a lock shaft is known from Patent Document 1 below.
[0003]
[Patent Document 1]
Japanese Utility Model Publication No. 58-41998 [0004]
[Problems to be solved by the invention]
This type of locking device has a hook member vertically fixed inside the free end of the front frame of the gaming machine toward the main body frame side, and inside the main body frame, at a position facing the upper and lower hook members. When the receiving bracket is fixed and the front frame is closed, the hook members are locked by the receiving bracket. Further, since the hook member is locked and locked by the receiving metal fitting on the body frame side, it has a structure protruding from the base frame.
[0005]
For this reason, in the locking device attached to the inside of the front frame, the hook member protrudes inward. There is a problem that the hook member of the locking device interferes with maintenance and inspection work, in part because the electromechanical parts are mounted.
[0006]
The present invention has been made in order to solve the above-mentioned problem, and a locking device for a game machine in which a hook member does not protrude from a base frame and the hook member does not disturb the maintenance and inspection of the game machine. The purpose is to provide.
[0007]
[Means for Solving the Problems]
In order to achieve the above object, a locking device of the present invention includes a locking device main body mounted inside a front door of a gaming machine, and a receiving device mounted at a position corresponding to the locking device main body in a housing of the gaming machine. A locking device for a game machine comprising a metal fitting, wherein a base frame of the locking device body is formed vertically long with a mounting plate and a support plate, and a sliding rod is slidable along the support plate in the base frame. The cylinder lock is attached to the mounting plate of the base frame by inserting the lock shaft inside, and the tip of the lock shaft is engaged with the sliding rod. An engaging cam member is fixed, an unlocking portion is provided on the upper and lower portions of the sliding rod, and a hook member is pivotally supported on the upper and lower portions of the receiving bracket so as to be tiltable, and biases the hook member in the locking direction. When the front door is closed with respect to the housing, the upper and lower locking portions of the base frame on the front door side receive the metal fittings on the housing side. By hook member is tilted in engagement with the hook member, characterized by locking the front door is engaged with the engaging portion.
[0008]
Here, in the locking device for a gaming machine having the above configuration, the locking portion provided on the support plate of the base frame of the locking device body is formed by bending an extended portion of the support plate, as in claim 2. Unlocking portions provided on the upper and lower portions of the sliding rod are arranged inside the locking portion, and the cam member engages with the engaging portion of the sliding rod when the cylinder lock is not operated to slide. It is preferable that the sliding of the moving rod is prevented.
[0009]
Further, a supporting portion for pivotally supporting the hook member is formed at an upper portion and a lower portion of the receiving metal member so as to be away from the mounting surface of the receiving metal member, and the hook member is arranged inside the base frame of the receiving metal member. It is good to set.
[0010]
[Action]
In the locking device for a gaming machine having the above configuration, there is no hook member on the locking device main body side, and the shape of the base frame without protrusions is directly attached to the inside of the front door, and the receiving bracket attached to the inside of the housing has Although the hook member is provided, the hook member is disposed inside the base frame and is covered by the base frame, so that the hook member does not protrude from the base frame of the receiving bracket and prevents unauthorized unlocking. In addition to this, it is possible to prevent a problem that the hook member hinders the work during maintenance and inspection work.
[0011]
When the front door of the gaming machine is closed with respect to the housing, the upper and lower locking portions on the locking device main body hit the upper and lower hook members on the receiving bracket side to tilt it, and then return to the original position. The hook member is rotated by the spring force so as to return to the state of FIG. In the locked state, when the cylinder lock is not operated, the sliding rod on the locking device main body side is prevented from moving by engagement with the cam member, and the hook member on the receiving bracket side can be tilted independently. It is difficult to tilt both hook members at the same time, and unauthorized unlocking can be prevented. In addition, since the hook member is covered on both sides by the base frame of the locking device main body and the base frame of the receiving bracket when locking, it is difficult for an unauthorized wire or the like to reach the hook member, thereby preventing unauthorized unlocking. Can be.
[0012]
When unlocking the front door, when the key is inserted into the cylinder lock and turned, the cam member rotates to slide the sliding rod that engages with the cam member. As a result, the unlocking operation sections provided at the upper and lower portions of the sliding rod operate to push the tip portions of the upper and lower hook members on the receiving bracket side toward the unlocking side. At this time, the upper and lower hook members tilt toward the unlocking side, disengage from the locking portions on the locking device main body side, and the front door is unlocked and becomes openable.
[0013]
BEST MODE FOR CARRYING OUT 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 main body H, FIG. 2 is a rear view thereof, and FIG. 3 is an exploded side view thereof. Reference numeral 1 denotes a vertically long base frame formed by bending the mounting plate 2 and the support plate 3 into a substantially U-shaped cross section and integrally forming the same into an angle material. The mounting plate 2 is provided with a plurality of mounting holes.
[0014]
Wide portions are formed on the upper and lower portions of the support plate 3, and locking portions 4, 5 for locking hook members 24, 25 of the receiving bracket 20 described later on the wide portions are provided on the support plate 3. It is formed by bending a part of a metal plate at a right angle (parallel to the mounting plate 2). Further, a sliding member 15 is attached to the lower portion of the locking portion 4 on the upper side. When the front door is closed, the sliding member 15 acts on the sliding support plate 30 on the side of the receiving bracket 20 to lift the front door, and is formed of a synthetic resin having good sliding properties. Attached to.
[0015]
Further, a sliding rod 6 is provided in the base frame 1 so as to be vertically slidable along the support plate 3. The sliding of the sliding rod 6 is set within a predetermined range. For this purpose, the sliding rod 6 is provided with guide holes 6b, 6c and 6d. The pins 10, 11, 12 are inserted into the guide holes, and the tips of the pins 10, 11, 12 are fixed to the respective portions of the support plate 3. The sliding rod 6 is slidably held by the engagement between the pins 10, 11, 12 and the guide holes 6b, 6c, 6d.
[0016]
The sliding rod 6 is a member having a function of releasing the locked state of the hook members 24 and 25 locked by the locking portions 4 and 5 in the locked state. Unlocking operation parts 61 and 62 for acting to push up the hook members 24 and 25 locked to 5 and to release the locking are provided with their tips bent inward. The unlocking portions 61 and 62 are arranged so as to be hidden inside the locking portions 4 and 5 provided on the support plate 3, and are covered by the locking portions 4 and 5, so that the wire inserted improperly. Are difficult to reach, making unauthorized unlocking difficult.
[0017]
In addition, an engaging portion 6a that can engage with a cam member 8 described later is formed at an intermediate portion of the sliding rod 6 so as to perform a sliding operation during an unlocking operation. Further, a coil spring 14 is hung between the sliding rod 6 and the mounting plate 2, and the sliding rod 6 is urged downward by the coil spring 14 so that the lower end of the sliding rod 6 is bent at the bent portion of the lower end of the support plate 3. At the contact position, the sliding rod 6 stops.
[0018]
A hole for mounting the cylinder lock 7 is formed in an intermediate portion of the mounting plate 2, and the cylinder lock 7 is inserted and fixed so that the lock shaft 7 a is inserted from outside the base frame 1. Further, a cam member 8 having a first engaging portion 8a and a second engaging portion 8b is fixed to a lock shaft 7b of the cylinder lock 7. When the cam member 8 in FIG. 2 rotates counterclockwise, the first engagement portion 8a can be engaged with the engagement portion 6a of the sliding rod 6, and the key is inserted into the cylinder lock 7 and turned clockwise. At this time, the lock shaft 7b and the cam member 8 rotate in the same direction (counterclockwise in FIG. 2), and at this time, the first engagement portion 8a of the cam member 8 engages with the engagement portion 6a of the sliding rod 6. Then, it is pushed up and unlocked.
[0019]
On the other hand, a switch operating rod 9 is slidably disposed between the support plate 3 and the sliding rod 6. The switch operating rod 9 is formed by providing an operating piece 91 at an intermediate portion so as to protrude laterally, and is provided with a guide hole 9b and an engaging portion 9a. The guide pin 11 described above is inserted into the guide hole 9b, and guides the switch operating rod 9 slidably within a predetermined range. The engagement portion 9a is formed so as to be able to engage with the second engagement portion 8b of the cam member 8. When the cam member 8 is rotated clockwise in FIG. To turn on and off a non-contact switch (not shown) such as a photoelectric switch. The non-contact switch is attached to the outside of the support plate 3 of the base frame 1 of the locking device main body H.
[0020]
In this manner, the locking device main body H to which the cylinder lock 7 is attached is simply provided with the sliding rod 6 and the switch operating rod 9, and the hook protruding rearward from the base frame like a conventional locking device. The member is not provided in the locking device main body H, but has a simple configuration.
[0021]
On the other hand, as shown in FIGS. 4 to 6, the receiving bracket 20 attached to the main body frame side of the gaming machine opposite to the locking device main body H has hook members attached to the upper and lower parts of the vertically long base frame 21. Support portions 22 and 23 are formed wide, and hook members 24 and 25 are pivotally supported on the side portions of the support portions 22 and 23 in a tiltable manner.
[0022]
The support portions 22 and 23 are bent in a substantially U-shape at the upper and lower portions of the base frame 21 so as to be formed slightly thick, and the hook members 24 and 25 are pivotally supported on their support surfaces via pins 26 and 27 so as to be tiltable. Is done. The support portions 22 and 23 are formed to be thicker than the base frame 21 so as to be seen from the front, so that the support surface is configured to be located inwardly away from the base frame 21 of the receiving fitting 20, and is provided on the support surface. The tips of the hook members 24 and 25 that are pivotally supported are separated from the base frame 21. Thus, when the front door is closed, the base frame 21 of the receiving bracket 20 and the locking portions 4 and 5 of the locking device main body H do not interfere with each other, and the hook members 24 and 25 are satisfactorily engaged with the locking portions 4 and 5. I try to be stopped. As shown in FIGS. 4 and 5, the support portions 22 and 23 are provided on the left side (when viewed from the front) of the base frame 21, and when viewed from the right side of the base frame 21, the hook members 24 and 25 are completely Is configured to be hidden inside the base frame 21.
[0023]
Furthermore, coil springs 28, 29 are hung between the ends of the hook members 24, 25 and the support portions 22, 23, and the hook members 24, 25 are supported in a substantially horizontal state by the coil springs 28. , 29 to bias the tip downward. In a state where the hook members 24 and 25 are urged by the coil springs 28 and 29, the upper edges of the hook members 24 and 25 abut against the protruding portions 22a and 23a of the support portions 22 and 23 and stop at a substantially horizontal position. Further, a sliding support plate 30 on which the sliding member 15 on the locking device main body H rides is provided on an upper portion of the base frame 21 of the receiving bracket 20 by bending a part of the metal plate substantially horizontally.
[0024]
As shown in FIG. 7, the locking device configured as described above has a locking device main body H having a tip end of a cylinder lock 7 at a front end on a free end side inside a front door 41 of a gaming machine such as a slot machine. It is exposed and mounted vertically using the mounting plate 2.
[0025]
On the other hand, inside the housing 40 of the gaming machine, the receiving bracket 20 is vertically fixed to the right side wall as viewed from the front, and the positions of the upper and lower hook members 24, 25 of the receiving bracket 20 are locked on the main body side. The setting is made so as to match the horizontal positions of the units 4 and 5. Since the receiving bracket 20 is fixed inside the housing 40 and the hook members 24 and 25 are disposed inside the base frame 21 and the support portions 22 and 23, the hook members 24 and 25 are attached to the base frame 21. It does not protrude outside and does not interfere with maintenance and inspection work.
[0026]
When the front door 41 of the gaming machine is closed with respect to the housing 40, the upper and lower locking portions 4 and 5 on the locking device main body H are connected to the receiving fittings as shown in FIG. It hits the upper and lower hook members 24 and 25 on the 20 side and tilts them upward. At this time, the upper and lower hook members 24 and 25 rotate upward with the pins 26 and 27 as fulcrums against the urging forces of the coil springs 28 and 29, and then rotate by the spring force to return to the original position. Then, as shown in FIG. 9, the hook members 24 and 25 are locked by the locking portions 4 and 5 to be in a locked state. At this time, the sliding member 15 on the locking device main body H side rides on the sliding support plate 30 on the receiving bracket 20 side, and acts so that the front door 42 is lifted. It is closed in a normal position in front of.
[0027]
In the locked state of FIG. 9, the hook members 24 and 25 are located so as to be covered between the base frame 1 of the locking device main body H and the base frame 21 of the receiving fitting 20, and Since the one engaging portion 8a enters the engaging portion of the sliding rod 6 to prevent the sliding rod 6 from rising, in this state, a person who intends to perform unauthorized unlocking moves the wire or the like forward. Even if it is inserted through the gap of the door and its tip is hooked on the sliding rod 6 or the hook members 24 and 25 to move in the unlocking direction, the sliding rod 6 does not move and the hook members 24 and 25 Is difficult to reach, and unauthorized unlocking can be prevented. Even if the wire reaches the hook members 24 and 25, the hook members 24 and 25 are tilted independently. Therefore, it is necessary to simultaneously tilt the hook members 24 and 25 in the unlocking direction to unlock. Unauthorized unlocking can be prevented.
[0028]
When unlocking the front door 41, as shown in FIG. 10, a key is inserted into the cylinder lock 7 and its lock shaft is turned, and the cam member 8 is rotated counterclockwise in FIG. The engaging portion 8a rotates in the same direction and engages with the engaging portion 6a on the sliding rod 6 side, and slides the engaging portion 6a, that is, the sliding rod 6 upward. At this time, as shown in FIG. 10, the sliding rod 6 slides upward, and the upper and lower unlocking portions 61 and 62 push the heads of the upper and lower hook members 24 and 25 on the receiving bracket 20 side. Works to raise. As a result, the upper and lower hook members 24 and 25 rotate upward, disengagement from the locking portions 4 and 5 on the locking device main body H side, and the front door 41 can be opened.
[0029]
On the other hand, when the key inserted into the cylinder lock 7 is turned to the left, the cam member 8 rotates in the same direction, and the second engagement portion 8b engages with the engagement portion 9a of the switch operating rod 9 to release it. Lower it. By the lowering operation of the switch operating rod 9, the operating piece 91 acts on the non-contact switch, and a switch signal is output.
[0030]
As described above, in the present locking device, there is no hook member on the locking device main body H side, and the flat shape of the base frame 1 is directly attached to the inside of the front door 41 and the receiving bracket 20 attached to the inside of the housing 40. Although the hook members 24 and 25 are provided, the hook members 24 and 25 are disposed inside the support portions 22 and 23, so that the hook members 24 and 25 do not protrude from the base frame 21, and are used for maintenance and inspection work. The hook members 24 and 25 do not hinder the work. Further, in the locked state, the hook members 24 and 25 are covered by the base frame 1 of the locking device main body H and the base frame 21 of the receiving fitting 20, so that an unauthorized wire or the like is difficult to reach and prevents unauthorized unlocking. can do. Furthermore, since the engagement of the cam member 8 prevents the sliding rod 6 from moving in the unlocking direction, even if a wire or the like is inserted through a gap in the front door, the sliding rod 6 is moved in the unlocking direction. Since the hook members 24 and 25 tilt independently, it is difficult to tilt both hook members 24 and 25 simultaneously with a wire or the like, thereby preventing unauthorized unlocking.
[0031]
In the above embodiment, the locking device for the slot machine has been described. However, the locking device of the present invention can be applied to a locking device of a pachinko machine, in which case, the locking device for locking and unlocking the glass frame is used. A glass frame locking rod or a glass frame unlocking rod for unlocking the glass frame may be added. In this case, a glass frame unlocking rod or a glass frame locking rod is slidably disposed between the support plate 3 and the sliding rod 6 or inside the mounting plate 2 so as to protrude from the cam member 8. By turning the key to the left by the provided second engagement portion, when the cam member 8 rotates in the same direction, the second engagement portion is engaged with the glass frame unlocking rod or the glass frame locking rod. May be slid downward to unlock the glass frame.
[0032]
【The invention's effect】
As described above, according to the gaming machine locking device of the present invention, there is no hook member on the locking device main body side, the shape of the base frame without protrusions is directly attached to the inside of the front door, and Although the hook member is arranged on the inside of the receiving bracket, it is arranged inside the support part, so that the hook member does not protrude from the base frame of the receiving bracket, and is used for maintenance and inspection work etc. It is possible to prevent the hook member from interfering with the work. Further, if the hook member is arranged inside the base frame of the fitting, in the locked state, the hook member is covered by the base frame of the locking device main body and the base frame of the fitting. Therefore, unauthorized unlocking using a wire or the like can be prevented. Further, when the cylinder lock is not operated, the cam member is engaged with the engaging portion of the sliding rod so that the sliding rod is prevented from sliding. The sliding rod on the apparatus main body side is prevented from moving by engagement with the cam member, and unauthorized unlocking can be prevented.
[Brief description of the drawings]
FIG. 1 is a right side view of a locking device main body according to an embodiment of the present invention.
FIG. 2 is a rear view of the locking device main body.
FIG. 3 is an exploded side view of the locking device main body.
FIG. 4 is a right side view of the receiving fitting.
FIG. 5 is a front view of a receiving fitting.
FIG. 6 is an exploded side view of the receiving fitting.
FIG. 7 is a side view of the device in use.
FIG. 8 is a side view when the front door is closed.
FIG. 9 is a side view showing a state where a front door is closed.
FIG. 10 is a side view when the front door is unlocked.
[Explanation of symbols]
Reference Signs List 1-base frame 2-mounting plate 3-support plate 4, locking unit 6-sliding rod 6a-engaging unit 61, 62-unlocking unit 7-cylinder lock 8-cam member 8a-first member Joint 20-Receiving bracket 21-Base frame 22, 23-Supporting parts 24, 25-Hook member H-Locking device main body

Claims (3)

A locking device for a gaming machine, comprising: a locking device main body mounted inside a front door of a gaming machine; and a receiving bracket mounted at a position corresponding to the locking device main body in a housing of the gaming machine,
A base frame of the locking device main body is formed in a vertically long shape having a mounting plate and a support plate, and a sliding rod is disposed in the base frame so as to be slidable along the support plate. A lock member is provided at a lower portion of the base frame, a cylinder lock is mounted on the mounting plate of the base frame by inserting the lock shaft inside, and a cam member engageable with the sliding rod is provided at a tip of the lock shaft. A spring member which is fixed and has unlocking portions provided at upper and lower portions of the sliding rod, and a hook member is pivotally supported on the upper and lower portions of the receiving fitting so as to be tiltable, and biases the hook member in a locking direction. Is provided, and when the front door is closed with respect to the housing, the upper and lower locking portions of the base frame on the front door side engage with the hook members of the receiving bracket on the housing side, so that the hook members A locking device for a game machine, wherein the front door is locked by being locked by the locking portion by tilting. The locking portion provided on the support plate of the base frame of the locking device main body is formed by bending an extended portion of the support plate, and an unlocking operation portion provided on an upper portion and a lower portion of the slide rod is provided. The cam member is disposed inside the stop portion, and the cam member is configured to engage with the engaging portion of the sliding rod and prevent the sliding rod from sliding when the cylinder lock is not operated. The locking device for a game machine according to claim 1. A support portion for pivotally supporting the hook member is formed at an upper portion and a lower portion of the receiving member so as to be separated from a mounting surface of the receiving member, and the hook member is disposed inside a base frame of the receiving member. The locking device for a game machine according to claim 2, characterized in that:

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