JP5951577B2 - Game machine locking device - Google Patents

Description

  The present invention relates to a locking device that locks a front door (glass frame) of a game machine such as a pachinko machine or a slot machine to an inner door, and locks the inner door to a main body frame (housing). The present invention relates to a locking device for a game machine having a structure in which a cylinder lock unit in which a cylinder lock or the like is unitized is attached, and an inner door lock unit in which a latch member, a hook member, an operating rod or the like is unitized.

  Conventionally, as a device for locking a front door (glass frame) of a game machine such as a pachinko machine or a slot machine to a main body frame (housing), a vertically long base frame body in which a mounting plate and a support plate are formed in an L-shaped cross section. On the inside, a connecting rod is slidably arranged, and a collar member is pivotally supported on the upper and lower portions of the support plate, and the upper and lower ends of the coupling rod are coupled to the collar member, and are attached to the middle portion of the mounting plate. 2. Description of the Related Art A locking device in which a cylinder lock is attached so that its lock shaft is inserted inward from a hole provided in a mounting plate, and a cam plate that engages a coupling rod is fixed to the tip of the lock shaft is widely used in game machines. ing.

In addition, as a locking device for a pachinko machine, a glass frame locking rod having a heel portion provided vertically is slidably disposed within the base frame body, and is attached to a glass frame and a housing disposed to be openable and closable on the front door A locking device having a structure that locks and unlocks both front doors that can be opened and closed is known from Patent Document 1 below.
Japanese Patent No. 3030613 JP 2001-137512 A

  The locking device in which this type of glass frame locking rod is disposed in the base frame together with the front door rod member and the connecting rod, the base frame body in a state in which the collar member projects toward the housing inside the front door. Are attached to the corresponding position on the housing side, and the front face of the cylinder lock fixed to the attachment plate is shown on the front face of the front door. For this reason, the glass frame attached to the front side of the front door must be formed in a shape that avoids the cylinder lock, that is, in a shape that exposes the tip of the cylinder lock, which limits the degree of freedom in the design shape of the glass frame. There was a problem that.

  As is well known, the front doors of pachinko machines and slot machines are equipped with various electrical parts such as decorative plastics and lighting decorations, decorative parts, operating parts, etc. The front door with various electrical components attached is heavier and the weight of the front door is required to be as light as possible in consideration of opening and closing operability. It was.

  Therefore, conventionally, the cylinder lock is attached to the inside of the glass frame of the pachinko machine, the base frame is fixed, the keyhole surface of the cylinder lock is exposed on the front surface of the glass frame, and the cam lever is fixed to the lock shaft of the cylinder lock. A locking device having a structure in which the movable locking plate for the glass frame is slidably mounted vertically and the movable locking plate is slid by rotating the cam lever by the cylinder lock to unlock the glass frame. This is proposed in Patent Document 2 above.

  In this locking device, a second locking unit is attached to the front frame (front door), and a locking claw for the front frame is pivotally supported on the upper and lower portions of the L-shaped base frame so as to be tiltable. At the same time, the movable lock plate for the front frame is slidably mounted, and the movable lock plate is coupled to the lock claw so that the cam lever of the cylinder lock can be engaged with a part of the movable lock plate for the front frame. Then, by rotating the cylinder lock in the direction opposite to the above, the cam lever is engaged with the movable lock plate for the front frame, it is slid in the unlocking direction, the lock claw is tilted, and fixed to the main body frame side. The engagement with the received metal fitting is released and unlocked.

  However, the locking device disclosed in Patent Document 2 uses the cylinder lock attached to the glass frame to unlock the front frame by operating the second locking unit attached to the table frame, and the same cylinder lock in the opposite direction. It is structured to unlock the glass frame by operating the glass frame movable lock plate attached to the glass frame, and the cylinder lock with the lock shaft (rotor) simply returned to the neutral position. The engaging portion between the cam lever of the lock and the movable lock plate for the front frame and the engaging portion between the cam lever and the movable lock plate for the glass frame are arranged to be engageable.

  For this reason, for example, when the key inserted into the cylinder lock is turned to the glass frame unlocking side or the table frame unlocking side and the glass frame is closed with respect to the table frame, or the table frame is attached to the main body frame. When closed, the cam lever and the front frame movable lock plate or the cam lever and the glass frame movable lock plate are in poor contact, and the front frame or the glass frame is closed with the locking incomplete, or the front frame or the glass frame. There was a problem that could not be closed.

  The present invention has been made in view of the above points, and provides a locking device for a game machine that can be locked properly even when the front door is closed with the key inserted into the cylinder lock turned. With the goal.

The locking device for a game machine according to the present invention that achieves the above object is characterized in that a lock unit for a middle door having a vertically long base frame is attached to a middle door that is detachably attached to a main body frame of the game machine. A cylinder lock unit provided with a cylinder lock is attached to a front door that is detachably mounted on the middle door, and a hook member for locking the front door is tilted or slid into the middle door lock unit. The hook member is movably mounted, the hook member is locked to a metal fitting provided on the front door, the front door is locked, and a latch member for locking the inner door is provided in the lock unit for the inner door. A locking device of a game machine, wherein the latch member is locked to a receiving member provided on the main body frame and the inner door is locked.
An unlocking operating rod is slidably disposed in the base frame of the inner door locking unit, and the operating rod engages with the hook member when unlocked to unlock the hook member. There is an engaging part that tilts or slides in the direction,
A cam member is fixed to the lock shaft of the cylinder lock, and a sliding member is slidably attached to the base frame of the cylinder lock unit so as to engage with the cam member,
A cylindrical member is attached to the sliding member in a direction perpendicular to the axial direction of the cylinder lock,
The operating rod is provided with an engaging recess that engages with the cylindrical member when the front door is closed, and the engaging recess expands forward in the sliding direction of the operating rod. A shape part is provided,
When the front door is closed in a state where the key inserted into the cylinder lock is rotated in the unlocking direction of the front door or the unlocking direction of the middle door, the cylindrical member is disengaged from the expanded shape portion. It is characterized by entering.

  According to the present invention, even when the front door is closed with the key inserted into the cylinder lock being rotated in the unlocking direction of the front door or the middle door, the cylinder member of the cylinder lock unit operates the operating door of the middle door lock unit. The cylinder lock unit and the inner door lock unit are properly engaged, and the collar member is properly tilted and locked to the receiving bracket, so that the front door is The door can be properly locked.

  In addition, even when the middle door is unlocked and the key is turned in the unlocking direction of the middle door and the middle door is closed with respect to the main body frame, the latch member of the middle door locking unit is appropriate. If the key is locked and the key is returned to the neutral position, the inner door can be properly locked.

  Furthermore, when unlocking the front door, if the cylinder lock is rotated to the unlocking side with the key, the cam member rotates and the sliding member in the base frame of the cylinder locking unit slides to the unlocking side. The operating rod is slid through the cylindrical member and the engaging recess, and the rod member is tilted to the unlocking side through the engaging portion, so that the front door can be unlocked smoothly.

  Here, in the locking device, the base frame body of the lock unit for the inner door is configured by combining the first case frame and the second case frame, and the overlapping portion of the first case frame and the second case frame is formed. A support plate is disposed in the formed space, and the collar member can be tilted or slid on the support plate, and the collar part can be projected and attached to the front part of the base frame body. .

  According to the present invention, the operating rod, the hook member, the latch member, and the like, which are functional parts, are covered with the first case frame and the second case frame of the base frame body, and both side surfaces of the lock unit for the inner door are the protrusions. Therefore, when the middle door lock unit is attached to the narrow middle door locking space, it can be smoothly attached without interfering with other storage components in the game machine. In addition, since the functional parts are covered by the first case frame and the second case frame, unauthorized unlocking performed by inserting a wire or the like can be effectively prevented.

  Further, here, an opening recess is formed in the first case frame and the second case frame of the base frame to allow the receiving member to enter when the inner door is locked, and the support plate is positioned corresponding to the opening recess. The latch member has a groove-shaped lock recess for restraining the receiving member that has entered the opening recess, and is pivotally supported in the vicinity of the latch recess of the support plate. A first actuating rod for unlocking and a second actuating rod are slidably disposed along the support plate in the base frame, and the first actuating rod is disposed in the second actuating rod. An engaging portion is provided for engaging and following when the door is moved in the unlocking direction, and when the inner door is unlocked, the engagement with the latch member is released and the latch member is moved in the unlocking direction. It is possible to configure so as to provide an operation engagement portion that allows the rotation of.

  According to this, when the inner door is closed, the catcher enters the lock recess of the latch member and pushes and rotates it, and the engaging portion of the second operating rod is used for latching the latch member at the locking position. Locked in the recess, the latch member is locked at a position where the receiving member is restrained, and the inner door can be properly locked.

  Also, when unlocking the inner door, if the cylinder lock is turned to the unlocking side with the key, the cam member rotates and the sliding member in the base frame of the cylinder locking unit slides to the unlocking side. The first operating rod is slid through the cylindrical member by sliding of the sliding member, the second operating rod is slid to the unlocking side through the engaging portion of the first operating rod, and the first By the sliding of the two operating rods, the engaging portion is disengaged from the concave portion for latching, and the latch member is rotated to the unlocking side by the spring force, so that the inner door can be unlocked.

  Here, in the locking device, it is preferable that a collar is rotatably fitted on the columnar member. According to this, when the cylindrical member comes into contact with the expanded shape portion, the cylindrical member can smoothly enter the engaging concave portion while minimizing the frictional resistance while the collar rotates.

  Moreover, it is preferable that the first operating rod is equipped with a spring member for returning the first operating rod moved when the front door and the middle door are unlocked to the original position. The sliding member of the cylinder lock unit is preferably equipped with a spring member for returning the sliding member moved during the unlocking operation of the front door and the middle door to the original position. According to this, when the key is inserted into the cylinder lock and the unlocking operation of the front door or the middle door is performed, if the unlocking operation force of the key is loosened, the first actuating rod or the slide is automatically activated by the spring force. If the moving member is returned to the original position and the front door or the middle door is closed, the locking device can be always held in a lockable state.

  Further, as the spring member, a coil spring that biases the first operating rod or the sliding member to return to the neutral position in the longitudinal direction in a floating state can be attached.

  According to the locking device of the game machine of the present invention, even when the front door is closed with the key inserted into the cylinder lock turned, the cylinder member of the cylinder lock unit is surely placed in the engagement recess of the lock unit for the inner door. The front door or the middle door can be properly locked by entering and engaging.

It is a front view of the lock unit for middle doors of a locking device and a cylinder lock unit which shows one embodiment of the present invention. It is a left view of the lock unit for middle doors, and a cylinder lock unit. It is a right view of the lock unit for middle doors, and a cylinder lock unit. It is a perspective view of the lock unit for middle doors, and a cylinder lock unit. It is a perspective view of the lock unit for middle doors, and a cylinder lock unit. It is a decomposition | disassembly right view of the lock unit for inside doors. It is a disassembled perspective view of the lock unit for inside doors. It is a disassembled perspective view of the lock unit for inside doors. (A) is an exploded perspective view of a collar member, (b) is an exploded perspective view of a latch member. It is a disassembled perspective view of a cylinder lock unit. It is a disassembled perspective view of a cylinder lock unit. (A) is a top view of the locking unit for the middle door and the cylinder locking unit in the locked state, and (b) is a partially enlarged perspective view of the locking unit for the middle door and the cylinder locking unit in the locked state. It is the upper part enlarged view at the time of locking which shows the use condition of a locking device. It is the lower part enlarged view at the time of locking which shows the use condition of a locking device. It is a lower part expansion perspective view at the time of unlocking the front door of the lock unit for middle doors which makes a middle door locked state, and a cylinder lock unit. It is an upper part enlarged view when the use state of a locking device is shown and an inner door is unlocked. It is a lower part enlarged view when the use state of a locking device is shown and an inner door is unlocked. It is an upper part enlarged view when the use state of a locking device is shown and a front door is unlocked. FIG. 5 is a partially enlarged perspective view of the middle door lock unit and the cylinder lock unit when the front door is closed with the cylinder lock turned to the right. It is a lower part partial enlarged view when the front door is closed in the state which showed the use condition of the locking device and turned the cylinder lock to the left.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. 1 to 4 show a locking device used in a game machine such as a pachinko machine. This locking device is generally attached to a middle door 81 of the game machine, and locks the middle door 81 and the front door 82. The middle door lock unit 1 and the cylinder lock unit 4 which is attached to the front door 82 and includes the cylinder lock 40 are configured.

  As shown in FIG. 13, a locking member 25 for locking the front door 82 and a latch member 30 for locking the inner door 81 are pivotally supported in the middle door locking unit 1 of the locking device so as to be tiltable. Basically, the locking device locks the front door 82 by locking the collar member 25 to the metal fitting 91 provided on the front door 82, and locks the latch member 30 to the holder 90 provided on the main body frame 80. The middle door 81 is structured to be locked, and at the time of unlocking, the cylinder lock 40 of the cylinder lock unit 4 is unlocked and the front door 82 or the inner door 81 is unlocked.

  As shown in FIG. 13, the middle door lock unit 1 is attached to a middle door 81 that is detachably mounted on the front surface of the main body frame 80 of the game machine. As shown in FIGS. A vertically long base frame body 10 including a frame 20 and a second case frame 21 is provided. The base frame 10 is configured by assembling the first case frame 20 and the second case frame 21 so as to overlap each other as shown in FIGS. 6 to 8, and as shown in FIG. In particular, the vertically long base frame 10 composed of the first case frame 20 and the second case frame 21 is formed as a thin case frame whose front width A is thinner than the depth width B.

  Each shape of the first case frame 20 and the second case frame 21 is formed by molding a metal plate so that the front width A is smaller than the depth width B as shown in FIG. In this example, when the first case frame 20 and the second case frame 21 are assembled, the ratio of the front width A and the depth width B of the base frame body 10 is about 1: 5. As a result, the front width A of the base frame 10 of the inner door lock unit 1 is shortened to about 1/5 of the depth width B, and the inner door lock unit 1 is placed inside the game machine inner door 81. Even when the installation space in the middle door 81 is very small, the middle door lock unit 1 can be easily attached to the inside of the middle door 81, and the inside of the game machine middle door 81 It has a structure that can be safely mounted avoiding interference with many parts stored in the box.

  The first case frame 20 and the second case frame 21 of the base frame body 10 are assembled so as to overlap from the left and right so that a space is formed therein, and the support plate 11 and the first operating rod are disposed in the internal space. 12, functional parts for locking, such as the second operating rod 13, the rod member 25, and the latch member 30, are disposed.

  The first case frame 20 and the second case frame 21 are overlapped in a state in which the support plate 11, the first operating rod 12, the second operating rod 13, the flange member 25, the latch member 30, and the like are accommodated. Are fastened to each other and assembled by fixing screws. As a result, as shown in FIGS. 4 and 5, each functional component is covered with the first case frame 20 and the second case frame 21 whose main parts are outer shells.

  For this reason, especially when a fraudulent unlocking is easily performed by inserting a fraudulent instrument such as a wire from the outside like a game machine, the fraud can be effectively prevented. The lock unit 1 for the middle door is attached with the base frame body 10 fixed to the inner side wall surface of the middle door 81 with the second case frame 21 side fixed vertically. A plurality of mounting holes are formed in the thickness direction, and the middle door lock unit 1 is attached to the middle door 81 using the mounting screws and the respective mounting holes.

  As described above, the collar member 25 is pivotally supported on the support plate 11 in the base frame body 10 composed of the first case frame 20 and the second case frame 21 so as to be tiltable and housed in the base frame body 10. . As shown in FIG. 4, slits 20 a are formed in the thin front edge portion (vertically long front portion bent at a right angle) of the first case frame 20 in the upper, middle, and lower portions, as shown in FIG. The part 26 protrudes from each slit 20a. Further, as shown in FIG. 4, the protrusion of the first operating rod 12 is exposed near the lower portion of the front edge of the base frame body 10, and an opening through which the columnar member 45 of the cylinder lock unit 4 enters. 20b is formed.

  That is, on the back side of the first case frame 20 and the second case frame 21, there is an opening recess 22 for allowing the locking receiving pin 90a (fixed to the main body frame 80 of the game machine) to enter. Formed at the top and bottom. Further, in the base frame 10, the latch member 30 is pivotally supported by the support plate 11 in the vicinity of the opening recess 22 so as to be able to rotate (tilt) via the support shaft 31. Thereby, when the inner door 81 is closed, the locking receiving pin 90a of the receiving member 90 first enters the opening recess 22 of the base frame body 10, and is locked in the lock recess 32 by the rotation of the latch member 30. The receiving pin 90a (FIG. 13) is restrained and locked.

  As described above, as shown in FIGS. 7 and 8, the vertically long support plate 11 is attached along the longitudinal direction in the space of the base frame 10 in which the first case frame 20 and the second case frame 21 are overlapped. . The support plate 11 supports the first operating rod 12 and the second operating rod 13 so as to be slidable up and down with a predetermined width, and the rod member 25 and the latch member 30 support the support shafts 27 and 31 there. It is pivotally supported to be able to tilt. As shown in FIG. 6, a latch recess 14 is formed in the upper and lower portions of the support plate 11 at positions corresponding to the opening recesses 22 of the first case frame 20 and the second case frame 21, as described above. When the door 81 is closed, the latch receiving pin 90a of the receiving member 90 is inserted into the latch recess 14 and is locked and locked by the lock recess 32 of the latch member 30.

  Furthermore, at the three positions of the upper, middle and lower portions of the support plate 11, the hook members 25 are pivotally supported in a predetermined angular range via the support shaft 27 for locking the front door 82. Is done. As shown in FIG. 9A, the flange member 25 is formed of a metal plate with a hook-shaped flange portion 26 provided downward at the tip, and an engaging portion 28 projects to one side in the vicinity of the center portion. So as to project. As shown in FIGS. 2 and 8, the flange 26 protrudes forward from a slit 20 a provided at the front edge of the first case frame 20 of the base frame body 10, and receives the front door 82 when the front door 82 is closed. The flange member 25 is locked to the metal fitting 91.

  The engaging portion 28 of the first operating rod 12 can be engaged with the engaging portion 28 of the flange member 25, and the first operation when the first operating rod 12 moves upward when the front door 82 is unlocked. The engaging portion 15 of the heel 12 engages with the engaging portion 28, and the heel member 25 tilts upward about the support shaft 27 to disengage the front door 82 from the receiving fitting 91 and is unlocked. The A torsion spring 29 is attached to each collar member 25 around the support shaft 27 in order to urge it to the locking side. As a result, when the front door 82 is closed, the catch 91 on the side of the front door 82 abuts against the inclined portion of the flange portion 26, and the flange member 25 slightly moves toward the unlocking side against the spring force of the torsion spring 29. And then returns to the original locking position by the spring force of the torsion spring 29 to enter the locked state.

  As shown in FIGS. 6, 7, and 8, the first operating rod 12 that slides the collar member 25 toward the unlocking side is formed in a vertically long band shape, and corresponds to the upper, middle, and lower collar members 25. A slit-like engagement portion 15 is provided at the position. Further, an engaging recess 16 that engages with a columnar member 45 of a cylinder lock unit 4 to be described later is formed on the lower side of the first operating rod 12 so as to open forward. A projecting portion having a substantially triangular shape projects from the front portion of the engaging recess 16 and is provided at the upper and lower portions. The front of the projecting portion is in the sliding direction (vertical direction) of the first operating rod 12. The expansion shape part 17 which expands toward is formed.

  The expansion shape portion 17 is provided at the front portion of the engagement recess 16 so as to expand in the vertical direction, so that the front door 82 is closed and the cylindrical member 45 of the cylinder lock unit 4 enters the engagement recess 16. For example, even when the position of the columnar member 45 is shifted up and down with the key inserted into the cylinder lock 40 being rotated, the columnar member 45 can be reliably engaged in the engagement recess 16. Yes.

  Further, as described above, when the position of the column member 45 is shifted up and down, the first operation rod 12 is returned to the proper position while the column member 45 is engaged in the engagement recess 16. The rod 12 is supported in a vertically floating state by a single coil spring 24 and has a structure in which the first operating rod 12 is always held in the vertical neutral position. As shown in FIGS. 6, 7, and 8, the support plate 11 and the first working rod 12 are provided with a slit portion that accommodates the coil spring 24, and a spring hook member is inserted above and below the slit portion. A rectangular hole (long hole portion) is provided, and the upper and lower ends of the coil spring 24 are passed through the rectangular hole of the first operating rod 12 through the spring hook member and are hooked into the rectangular hole of the support plate 11.

  When the coil spring 24 is mounted, the spring hook members hung on both side ends of the coil spring 24 are hooked on the hook portions of the rectangular holes of the support plate 11 through the rectangular holes of the first operating rod 12. Thus, when the first operating rod 12 is moved up or down, the moving-side spring hooking member is engaged with the hooking portion of the rectangular hole of the first operating rod 12. Accordingly, the coil spring 24 is extended to apply a spring force to the first operating rod 12, and the position of the first operating rod 12 is returned to the neutral position by the spring force.

  On the other hand, latch members 30 for locking the inner door 81 to the main body frame 80 are respectively rotated within a predetermined angle range by the support shaft 31 just below the upper and lower latch recesses 14 in the support plate 11. It is pivotally supported. As shown in FIG. 9 (b), the latch member 30 is formed in a substantially disc shape by a metal plate, is provided with a lock recess 32 opened at the upper edge thereof, and a substantially central portion is rotated by the support shaft 31. It is pivotally supported.

  Further, the engaging portion 34 is formed in a concave shape on the lower edge portion on the opposite side of the lock concave portion 32. The engaging portion 34 is configured such that when the middle door 81 is closed, the latch receiving pin 90a of the middle door 81 enters the lock concave portion 32 from the latch concave portion 14, and the latch member 30 rotates to the lock position. The operation engaging portion 19 of the second operating rod 13 enters and engages with the engaging portion 34, and the latch member 30 is locked at the lock position.

  A coil spring 33 is mounted on the latch member 30 between the second operating rod 13 and always urges the latch member 30 to the unlocking side. Therefore, the latch member 30 normally holds the unlocked state by the urging force of the coil spring 33, and when the inner door 81 is closed, the latch receiving pin 90a of the receiver 90 enters the latch recess 14, When the latch member 30 is pushed to the locking position by being pushed by the locking receiving pin 90a, the operation engaging portion 19 of the second operating rod 13 is locked to the engaging portion 34 and locked in the locked state.

  The second actuating rod 13 is an actuating rod for unlocking the latch member 30. When the first actuating rod 12 is moved downward, it engages with the first actuating rod 12 and moves downward. In this structure, the latch member 30 is rotated to the unlocking side. For this purpose, as shown in FIGS. 6 and 7, an engaging portion 18 is provided in the vicinity of the lower portion of the first operating rod 12, and an engaging portion 23 is provided at a corresponding position of the second operating rod 13. When the engaging portion 23 of the second operating rod 13 is formed at the lower end of the slit, the engaging portion 18 of the first operating rod 12 is inserted into the slit, and the first operating rod 12 is moved downward, The engaging portion 18 is engaged with the engaging portion 23, the second operating rod 13 is moved downward together with the first operating rod 12, and the latch member 30 is unlocked.

  As described above, the first operating rod 12 is held in a floating state up and down by the coil spring 24 and is urged to return to the neutral position. For this reason, the first operating rod 12 has a predetermined width upward or downward and can move against the urging force of the coil spring 24. For example, the first operating rod 12 rotates the cam member 43 of the cylinder lock 40. When the cylinder lock 40 is unlocked in order to unlock the front door 82 when the first operating rod 12 is slid upward, The lower end portion of the spring hook member is locked in the rectangular hole of the support plate 11 and cannot move and stops. On the other hand, the upper spring hook member moves upward along with the upward movement of the first operating rod 12, and the upper end of the spring hook member moves upward in the long hole portion of the support plate 11, whereby the coil spring 24 is stretched. As a result, the flange member 25 tilts and the front door 82 is unlocked. Thereafter, the first operating rod 12 is biased downward by the coil spring 24 and returned to the neutral position below.

  On the other hand, when the first operating rod 12 is moved downward by the rotation of the cam member 43 of the cylinder lock 40, that is, in order to unlock the inner door 81, the cylinder lock 40 is unlocked and the first operation is performed. When the collar 12 slides downward, the lower end of the lower spring hook member moves downward in the rectangular hole of the support plate 11, while the upper end of the upper spring hook member is locked in the upper rectangular hole. Can not move and stops. As a result, the coil spring 24 is stretched, the latch member 30 is tilted, and the inner door 81 is unlocked. Thereafter, the first operating rod 12 is urged upward by the coil spring 24 to be in the upper neutral position. It will be returned to.

  As described above, the latch member 30 that locks the inner door 81 has a predetermined angular range via the support shaft 31 in the vicinity of the latch recess 14 provided on the upper and lower portions of the support plate 11 in the base frame body 10. It is pivotally supported so that it can tilt. As shown in FIG. 9B, the latch member 30 is formed by forming a metal plate into a substantially circular shape, and a lock recess 32 is formed on the upper portion thereof so that the latch receiving pin 90a of the receiving device 90 can be restrained. An opening is formed. Further, a concave engaging portion 34 is formed in the lower portion of the latch member 30 so as to be engageable with the operation engaging portion 19 of the second operating rod 13. As described above, the latch member 30 is pivotally supported by the support shaft 31 in the vicinity of the latch recess 14 provided in the upper and lower portions of the support plate 11. The coil spring 33 is mounted between the operating rod 13 and the coil spring 33 causes the latch member 30 to be moved when the second operating rod 13 is lowered along with the downward movement of the first operating rod 12 according to the unlocking operation of the inner door 81. This is a structure that urges the unlocking side, that is, the side to open the locking receiving pin 90a of the receiving device 90.

  As described above, the operation engagement portion 19 is provided on the upper and lower portions of the second operation rod 13, and the operation engagement portion 19 can be engaged with the engagement portion 34 of the latch member 30. Therefore, when the inner door 81 is closed with respect to the main body frame 80, the locking receiving pin 90 a of the receiving tool 90 on the main body frame 80 side enters from the opening recess 22 and comes into contact with the latch member 30 to lock the latch member 30. When tilted to the side, the second actuation rod 13 and the actuation engagement portion 19 are raised by the spring force of the coil spring 33, so that the actuation engagement portion 19 engages with the engagement portion 34 of the latch member 30. Then, the latch member 30 is locked at a position where the latch receiving pin 90a of the receiver 90 is restrained.

  On the other hand, when the cylinder lock 40 is unlocked and the inner door 81 is unlocked, the first operating rod 12 moves downward and the second operating rod 13 descends. 30, the latch member 30 is urged in the unlocking direction by the coil spring 33, and the latch member 30 is rotated so as to open the locking receiving pin 90a of the restraining receiving device 90. It is configured to move and become unlocked.

  On the other hand, a front door 82 is detachably mounted on the front surface of the middle door 81 of the game machine, and the cylinder lock unit 4 is attached to the front door 82.

  As shown in FIGS. 10 and 11, the cylinder lock unit 4 has a cylinder lock 40 attached to a substantially central portion of the mounting plate 41 a of the base frame 41, and a cam member 43 attached to a lock shaft (rotor) 42 of the cylinder lock 40. It is configured to be fixed. The base frame 41 is formed in a shape in which the mounting plate 41a and the support plate 41b are bent at a right angle. The mounting plate 41a is formed with an opening for inserting a cylinder lock, and the cylinder lock 40 is inserted into the opening from the back side. The flange 40a is fixed to the inside of the mounting plate 41a. A cam member 43 is fixed to the lock shaft 42 of the cylinder lock 40 with a fixing screw or the like, and two engaging convex portions 43 a and 43 b are projected from the cam member 43, and the engaging portion 47 of the sliding member 44 is Engageable.

  As shown in FIGS. 10 and 11, a plate-like sliding member 44 is slidably mounted on the inner side of the support plate 41 b of the base frame 41, and a cylinder is disposed at the rear part of the central portion of the sliding member 44. The member 45 is attached in a direction perpendicular to the lock shaft 42 of the cylinder lock 40, that is, in a direction orthogonal to the axial direction of the lock. A collar 45a is rotatably fitted on the cylindrical member 45, and as described above, when the cylindrical member 45 enters the engaging recess 16 of the first operating rod 12, it contacts the expanded shape portion 17 in front of it. When engaged, the engagement is made with the minimum frictional resistance. The sliding member 44 has a convex portion at the front center thereof, and the upper and lower edge portions of the convex portion are formed as engaging portions 47 with respect to the cam member 43. The convex part of the sliding member 44 enters between the parts 43a and 43b. When the cam member 43 rotates, the engaging part 47 and the engaging convex parts 43a and 43b of the cam member 43 are engaged, and the sliding member 44 is engaged. Slides up or down.

  The sliding member 44 is formed with slits 48 in the sliding direction (vertical direction), and plate-shaped guide portions 41c are provided on the upper and lower sides of the corresponding support plate 41b so as to protrude vertically. The guide portion 41 c is inserted into the slit 48 and serves as a guide when the sliding member 44 slides. Further, slits 41 d are formed on both inner sides of the guide portion 41 c corresponding to the slits 48 of the sliding member 44. Both ends of the coil spring 46 are bent into a substantially U shape, and the coil spring 46 is inserted into the slits 41d and 48 from the outside of the support plate 41b, and the upper and lower slits 48 of the sliding member 44 are inserted. The U-shaped end portion of the coil spring 46 is locked to the edge portion of the coil spring 46 and attached.

  As a result, the sliding member 44 has a structure that slides by receiving an upward or downward moving force from the engaging portion 47 in accordance with the rotation of the cam member 43. Thereby, when the key inserted into the cylinder lock 40 is rotated to the right, the engaging convex portion 43a on the cam member 43 is engaged with the engaging portion 47 of the sliding member 44, and the sliding member 44 is pushed down. On the other hand, when the key inserted into the cylinder lock 40 is turned counterclockwise, the engaging projection 43b below the cam member 43 engages with the engaging portion 47 of the sliding member 44, and pushes up the sliding member 44. is there.

  As shown in FIGS. 13 and 14, the locking unit 1 for the middle door of the locking device configured as described above has its latch member 30 facing the back side, that is, the main body frame 80 side in the middle door 81 of the game machine. The flange member 25 is fixed vertically and attached to the front side, that is, the front door 82 side. Also, on the main body frame 80 side, corresponding to the latch member 30, the receiving tool 90 is fixed inside the right side wall portion of the main body frame 80 with the locking receiving pin 90 a in a horizontal state. In the game machine, the middle door 81 is attached to the front surface of the main body frame 80 so as to be opened and closed, and the front door 82 is attached to the front surface of the middle door 81 so as to be opened and closed.

  On the other hand, the cylinder lock unit 4 is attached to the front door 82 as shown in FIG. In the cylinder lock unit 4, the cylindrical member 45 of the sliding member 44 provided in the base frame 41 corresponds to the engagement recess 16 of the lock unit 1 for the middle door 81 side as shown in FIG. 15. It is mounted so as to be in position. That is, the cylinder lock unit 4 is arranged so that the horizontal position of the columnar member 45 attached to the sliding member 44 coincides with the horizontal position of the engagement recess 16 provided in the first operating rod 12 of the inner door lock unit 1. Positioned and attached to the front door 82, the cylinder lock 40 is exposed to the front of the front door 82 as shown in FIG. As described above, the collar member 25 that locks the front door 82 is attached to the middle door lock unit 1 on the side of the middle door 81, and the catch 91 that is locked to the collar member 25 is attached to the inside of the front door 82. It is done.

  Next, the operation of the locking device configured as described above will be described. When the middle door 81 of the game machine is closed with respect to the main body frame 80, the locking receiving pins 90 a of the receivers 90 provided on the upper and lower sides of the main body frame 80 are the upper and lower opening recesses 22 and 22 of the middle door lock unit 1. Enters the latch recess 14 and enters the lock recess 32 of the latch member 30.

  At this time, the latch member 30 is pushed by the locking receiving pin 90a and rotates counterclockwise in FIG. 13 against the spring force of the coil spring 33, and the latch member 30 rotates to the rotation end. 13, the engagement engaging portion 34 of the second operating rod 13 is engaged with the engagement portion 34, and the latch member 30 is locked in this state, whereby the engagement receiving pin 90 a is latched to the latch member 30. The inner door 81 is locked with respect to the main body frame 80. At the time of such locking, the locking receiving pin 90a of the receiving device 90 is tightly inserted and restrained in the lock recess 32 and the latch recess 14 of the latch member 30, so that the lock receiving pin 90a is firmly locked. The locking operation is also performed very smoothly.

  On the other hand, when the front door 82 is closed with respect to the middle door 81, the three metal fittings 91 attached to the inner side of the front door 82 are respectively inclined to the inclined portions of the flange portions 26 of the upper, middle and lower flange members 25. Contact. At this time, each flange member 25 is once tilted upward against the urging force of the torsion spring 29, and the flange member 25 is moved by the spring force of the torsion spring 29 in a state where the catch 91 can be locked to the flange portion 26. Returning to the base state, the locked state is obtained as shown in FIG. Since the front door 82 is locked by the upper, middle, and lower three flange members 25, even the large front door 82 is firmly locked.

  On the other hand, when unlocking the inner door 81, a key is inserted into the cylinder lock 40 and the key is turned clockwise as shown in FIG. At this time, the cam member 43 rotates in the same direction, and the engaging convex portion 43a of the cam member 43 engages with the engaging portion 47 of the sliding member 44 to push down the sliding member 44. As a result, the sliding member 44 is lowered, and the columnar member 45 attached to the center thereof is lowered while being engaged with the engaging recess 16, so that the first operating rod 12 is lowered as shown in FIG. The second operating rod 13 that engages with the engaging portion 18 provided in the lower portion is pushed downward via the engaging portion 23.

  As a result, the upper and lower operation engagement portions 19 of the second operating rod 13 are lowered, the engagement with the engagement portion 34 of the latch member 30 is released, and the upper and lower latch members 30 are connected to the coil spring 33. 17, the locking recess 32 is rotated in a direction to open, as shown in FIG. 17, the locking receiving pin 90 a of the receiving device 90 is opened, and the inner door 81 is unlocked.

  On the other hand, when unlocking the front door 82, the key is inserted into the cylinder lock 40 and the key is turned counterclockwise as shown in FIG. At this time, the cam member 43 rotates in the same direction, and the engaging convex portion 43 b of the cam member 43 engages with the engaging portion 47 of the sliding member 44 to push up the sliding member 44. As a result, the sliding member 44 rises, and the columnar member 45 attached to the center thereof rises while engaging with the engaging recess 16, so that the first operating rod 12 rises as shown in FIGS. To do. As a result, the engaging portions 15 provided at the upper, middle, and lower portions of the first operating rod 12 act so as to push up the engaging portions 28 of the flange member 25. The support shaft 27 is tilted upward with its flange 26. Thereby, each hook member 25 and the metal fitting 91 are disengaged, and the front door 82 is unlocked as shown in FIG.

  By the way, in a pachinko hall or the like in which a game machine is actually used, when a clerk locks after opening the front door 82 or the middle door 81 of the game machine, the key is inserted into the cylinder lock 40 and turned. The front door 82 or the middle door 81 may be closed.

  In such a case, that is, when the front door 82 is closed with the key turned to the right, as shown in FIG. 19, the cam member 43 is rotated in the same direction and the sliding member 44 is lowered, and the cylindrical member In a state where 45 is lowered, it tries to enter the engaging recess 16 of the first operating rod 12. At this time, since the expansion shape portion 17 is arranged to expand in front of the engagement recess 16, the cylindrical member 45 abuts on the inclined expansion shape portion 17 and pushes down the first operating rod 12. Alternatively, the sliding member 44 receives an acting force that returns upward via the cylindrical member 45.

  For this reason, the first operating rod 12 is lowered and the columnar member 45 is normally engaged with the engaging recess 16, or the cylinder lock 40 that receives the acting force to return via the cam member 43 and the lock shaft 42. Is returned to the neutral position. Thereby, the columnar member 45 returns to the center position, normally enters the engagement recess 16 of the first operating rod 12, and the front door 82 can be brought into a normal locked state. Of course, at this time, if the inner door 81 is in a closed state, the columnar member 45 of the cylinder lock unit 4 is normally fitted into the engaging recess 16 at the center position, so that the inner door 81 is normally locked. It becomes.

  On the other hand, when the front door 82 is closed with the key inserted into the cylinder lock 40 turned counterclockwise, the cam member 43 rotates in the same direction as shown in FIG. The cylindrical member 45 is about to enter the engagement recess 16 of the first operating rod 12 with the column member 45 raised. At this time, similarly, since the expanded shape portion 17 is arranged to expand in front of the engagement recess 16, the cylindrical member 45 abuts on the inclined expanded shape portion 17, and the first operating rod 12, or the sliding member 44 receives an acting force that returns downward via the cylindrical member 45.

  For this reason, the first operating rod 12 is raised and the columnar member 45 is normally engaged with the engaging recess 16, or the cylinder lock 40 that has received the return force through the cam member 43 and the lock shaft 42. Is returned to the neutral position, so that the cylindrical member 45 returns to the center position and normally enters the engagement recess 16 of the first operating rod 12 to bring the front door 82 and the middle door 81 into a normal locked state. Can do.

  Thus, even when the front door 82 is closed with the key inserted into the cylinder lock 40 turned in the unlocking direction of the front door 82 or the middle door 81, the columnar member 45 of the cylinder lock unit 4 is locked to the middle door lock. The cylinder lock unit 4 and the inner door lock unit 1 are properly engaged with each other because the penetrating member 17 enters the engaging recess 16 from the expanded shape portion 17 of the first operating rod 12 of the unit 1, and the flange member 25 tilts properly. Thus, the front door 82 can be properly locked to the middle door 81 by being locked by the receiving metal fitting 91.

  Further, even when the middle door 81 is unlocked in this state and the key is rotated in the unlocking direction of the middle door and the middle door 81 is closed with respect to the main body frame 80, the middle door locking unit 1 The latch member 30 is properly locked, and the inner door 81 can be properly locked by returning the key to the neutral position.

  Further, when the front door 82 is unlocked, if the cylinder lock 40 is rotated to the unlocking side by a key, the cam member 43 rotates in the same direction, and the sliding member in the base frame 41 of the cylinder lock unit 4 is obtained. 44 slides to the unlocking side, slides the first actuating rod 12 through the cylindrical member 45 and the engaging recess 16, tilts the rod member 25 to the unlocking side through the engaging portion, and the front door 82 can be unlocked smoothly.

  In the above embodiment, the flange member 25 is tilted about the support shaft 27. However, the flange member 25 may be slid up and down, and the number of flange members is two at the upper and lower portions. You can also. Moreover, in the said embodiment, although the latch member 30 was arrange | positioned in the upper part and the lower part, it can also arrange | position in three places. In addition, the base frame 10 has a thin shape by combining the first case frame 20 and the second case frame 21 and has a structure in which the functional components are accommodated in the case. However, the base frame 10 has an L-shaped normal cross section. The body can also be used.

DESCRIPTION OF SYMBOLS 1 Locking unit for middle doors 4 Cylinder locking unit 10 Base frame 11 Support plate 12 1st operating rod 13 2nd operating rod 14 Latch recessed part 15 Engagement part 16 Engaging recessed part 17 Expanding shape part 18 Engaging part 19 Actuator Joint portion 20 First case frame 20a Slit 20b Opening portion 21 Second case frame 22 Opening recessed portion 23 Engaging portion 25 Hook member 26 Hook portion 27 Support shaft 28 Engaging portion 30 Latch member 31 Support shaft 32 Locking recess 34 Engaging portion 40 cylinder lock 40a flange 41 base frame 41a mounting plate 41b support plate 41c guide portion 41d slit 42 lock shaft 43 cam member 43a engaging convex portion 43b engaging convex portion 44 sliding member 45 cylindrical member 45a collar 47 engaging portion 48 slit 80 Body frame 81 Middle door 82 Front door 90 Receiving tool 90a Locking receiving pin 91 Receiving bracket

Claims (8)

A lock unit for a middle door having a vertically long base frame is attached to a middle door that can be opened and closed on the main frame of the game machine, and a cylinder lock unit having a cylinder lock on the base frame is attached to the middle door. A hook member attached to the front door, which is attached to the front door, which is attached so as to be openable and closable, and a hook member for locking the front door is tilted or slidable in the lock unit for the middle door. The latch member is locked to the front door, and a latch member for locking the inner door is pivotally supported in the inner door locking unit and provided on the main body frame. In a locking device of a game machine in which the latch member is locked to a receiving member and the inner door is locked,
An unlocking operating rod is slidably disposed in the base frame of the inner door locking unit, and the operating rod engages with the hook member when unlocked to unlock the hook member. There is an engaging part that tilts or slides in the direction,
A cam member is fixed to the lock shaft of the cylinder lock, and a sliding member is slidably attached to the base frame of the cylinder lock unit so as to engage with the cam member,
A cylindrical member is attached to the sliding member in a direction perpendicular to the axial direction of the cylinder lock,
The operating rod is provided with an engaging recess that engages with the cylindrical member when the front door is closed, and the engaging recess expands forward in the sliding direction of the operating rod. A shape part is provided,
When the front door is closed in a state where the key inserted into the cylinder lock is rotated in the unlocking direction of the front door or the unlocking direction of the middle door, the cylindrical member is disengaged from the expanded shape portion. Locking device for game machine,   A base frame of the lock unit for the inner door is configured by combining the first case frame and the second case frame, and a support plate is provided in a space formed in the overlapping portion of the first case frame and the second case frame. The game machine according to claim 1, wherein the hook member is attached to the support plate so that the hook member can tilt or slide, and the hook portion projects from the front portion of the base frame. Locking device. An opening recess is formed in the first case frame and the second case frame of the base frame to allow the receiving member to enter when the inner door is locked, and the support plate has a latch recess in a position corresponding to the opening recess. Provided, the latch member has a groove-like lock recess for restraining the receiving member that has entered the opening recess, and is pivotally supported in the vicinity of the latch recess of the support plate,
A first actuating rod and a second actuating rod for unlocking are slidably disposed along the support plate in the base frame, and the first actuating rod is attached to the middle door. An engaging portion is provided to engage and follow when moved in the unlocking direction, and when the inner door is unlocked, it is disengaged from the latch member to rotate the latch member in the unlocking direction. 3. The game machine locking device according to claim 2, further comprising an operation engaging portion that allows movement.   The game machine locking device according to claim 1, wherein a collar is rotatably fitted to the columnar member.   4. The game according to claim 3, wherein a spring member is attached to the first operating rod for returning the first operating rod moved when the front door and the middle door are unlocked to the original position. Machine locking device.   2. The spring member for returning the sliding member moved during the unlocking operation of the front door and the middle door to the original position is mounted on the sliding member of the cylinder lock unit. Game machine locking device.   6. The game machine locking device according to claim 5, wherein a coil spring is mounted as the spring member for biasing the first operating rod in a floating state so as to return to the neutral position in the longitudinal direction.   7. The game machine locking device according to claim 6, wherein a coil spring is mounted as the spring member for biasing the sliding member into a floating state and returning it to the neutral position in the longitudinal direction.

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