JP5038174B2 - 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 the locking claw for the front frame is pivotally supported on the upper and lower portions of the L-shaped base frame so as to tilt. At the same time, the movable lock plate for the front frame is slidably mounted, the movable lock plate is connected to the lock claw, and the cam lever of the cylinder lock can be engaged with a part of the movable lock plate for the front frame. A receiving metal fitting fixed to the main body frame side by engaging the cam lever with the movable lock plate for the front frame and sliding it in the unlocking direction by tilting the lock claw, Is disengaged and unlocked.

  However, in the locking device of Patent Document 2, the glass frame movable lock plate mounted on the glass frame is merely slidably mounted on the side surface of the fixed base frame having a simple structure. The movable lock plate is slidably mounted on the side of the fixed base frame with an L-shaped cross section fixed to the front frame, and can be rotated in the form that the lock claw protrudes to the back side at the upper and lower parts of the fixed base frame The upper and lower lock claws are connected to the front frame movable lock plate.

  For this reason, when unauthorized unlocking is performed, if a strong force is applied to the glass frame, the movable locking plate for the glass frame may be deformed and unlocked illegally. In addition, when a force is applied to the lock claw or the movable lock plate for the front frame by inserting a wire or other illegal device through the gap between the free end side (anti-hinge side) of the front frame and the main body frame, the structure is simple. The lock claw and the movable lock plate may be easily deformed and unlocked illegally.

  The present invention has been made in view of the above points, and prevents unauthorized unlocking by an unauthorized instrument such as a wire, and even when an unauthorized opening load is applied to the collar member or the latch member, the locked state is firmly It is an object of the present invention to provide a locking device for a game machine that can prevent unauthorized unlocking.

To this end, the locking device for a game machine according to claim 1 of the present invention is such that the lock unit for the middle door having the base frame is attached to the middle door that is attached to the main body frame of the game machine so as to be opened and closed. A cylinder lock unit having a cylinder lock is attached to a front door that is detachably attached to the inner door, and a hook member for locking the front door is slidable in the inner door lock unit. In the locking device of the game machine, the base frame of the lock unit for the inner door is the first base unit. The frame member and the second base frame body are combined, and the flange member is slidably sandwiched in a gap formed in the overlapping portion of the first base frame body and the second base frame body, An unlocking actuating rod is slidably disposed along the base frame body, and the actuating rod engages with the collar member when unlocked to unlock the actuating rod. An engaging portion for sliding the material in the unlocking direction is provided, and an engaging member is attached to the lock shaft of the cylinder lock provided in the cylinder lock unit. When the front door is closed, the lock shaft is engaged. A receiving engagement portion that can be engaged with the combined member is provided in a part of the operating rod, and a coil spring for biasing the flange member in the locking direction is provided between the flange member and the base frame body. The coil spring is arranged in a spring opening provided in the first base frame body, and a spring cover portion for covering the coil spring is provided in the second base frame body. .

According to a second aspect of the present invention, there is provided a locking device for a game machine, wherein a lock unit for a middle door having a base frame is attached to a middle door that is openably / closably attached to a main body frame of the game machine. Is attached to a front door that is openably / closably attached to the inner door, and a latch member for locking the inner door is pivoted into the inner door locking unit. In a locking device of a game machine that is supported and the latch member is locked to a receiving member provided on the main body frame to lock the inner door, the base frame body of the inner door lock unit is a first base frame. A latch recess for storing the latch member in the overlapping portion of the first base frame body and the second base frame body. The latch member is surrounded by the first base frame body, and the latch member is pivotally supported in the latch recess. An unlocking actuating rod is slidably disposed along the base frame body, and an opening recess is formed on the upper and lower portions of the second base frame body to allow the receiver to enter, The latch member has a groove-shaped lock recess for restraining the receiving member in the opening recess, and is pivotally supported in the vicinity of the opening recess on the upper and lower portions of the support plate, respectively. Is provided with an operation engaging portion that engages with the latch member at the time of unlocking to allow the latch member to rotate in the unlocking direction, and is engaged with a lock shaft of the cylinder lock provided in the cylinder lock unit. When the front member is closed and the front door is closed, a receiving engagement portion that can be engaged with the engagement member of the lock shaft is provided in a part of the operating rod, and the latch member is provided on the inner door. When the latch member is pushed to the latching position and is turned to the latching position when the latch is closed, the latch member is locked to the latching tool, and the lock shaft is locked by the cylinder lock. When the engaging member is rotated in the unlocking direction of the latch member, the operating rod moves, the latching of the latch member is released by the operating engaging portion, and the latch member rotates to the unlocking side. And the inner door is unlocked.

Here, in the locking device according to claim 2 , the engagement member of the cylinder lock unit is formed by projecting two engagement protrusions at a position deviated from the rotation axis, The joint portion is formed in a substantially U-shape so as to surround and engage the engagement protrusion plate of the engagement member from the back side, and is biased laterally from the central vertical line of the base frame body. It can be arranged.

  The operating rod is provided with a spring member for returning the operating rod moved during the unlocking operation to the original position, and the cylinder lock of the cylinder lock unit is provided with a lock shaft and an engaging member. A return spring for returning to the original position can be attached.

  According to the locking device of claim 1 configured as described above, the base frame body of the lock unit for the inner door is configured by combining the first base frame body and the second base frame body, and the first base frame body and the second base frame body. Since the eaves member is slidably held in the gap formed in the overlapping portion with the frame body, even when a strong force is applied to the eaves member by unauthorized unlocking or the like, the eaves member is the first base frame. It can be securely held between the body and the second base frame body, and unauthorized unlocking can be prevented. In addition, since the first base frame body and the second base frame body are overlapped to form the base frame body, the strength of the base frame body can be sufficiently reinforced to prevent deformation during unauthorized unlocking or the like. .

Further, a coil spring that is stretched between the collar member and the base frame body and biases the collar member in the locking direction is disposed in the spring opening provided in the first base frame body, and the second group. the spring cover portion provided in the frame, so covering this coil spring, without increasing the number of components, effectively a coil spring covered by a spring cover, incorrect unlocking acts performed by insert the wire or the like The coil spring can be protected from.

On the other hand, according to the locking device of the second aspect , the base frame body of the lock unit for the inner door is configured by combining the first base frame body and the second base frame body, and the first base frame body and the second base frame body. A latch recess for receiving the latch member is formed in the overlapping portion with the peripheral portion surrounded by the first base frame body, and the latch member is pivotally supported in the latch recess. For this reason, it is possible to make it difficult for an unauthorized instrument such as a wire to reach the latch member whose peripheral portion is surrounded by the first base frame, and to protect the latch member from unauthorized unlocking. In addition, since the latch member is accommodated in the latch recess surrounded by the periphery, even when a strong force is applied to the latch member by unauthorized unlocking, the latch member is held in that position. Unauthorized unlocking can be prevented.

  Further, the engagement member of the cylinder lock is formed by projecting two engagement protrusions at a position deviated from the rotation axis, and the receiving engagement portion of the operating rod is provided on the back surface of the engagement protrusion of the engagement member. If it is formed in a substantially U shape so as to be surrounded and engaged from the side, and is arranged to be biased laterally from the central vertical line of the base frame body, the engagement by the unlocking operation of the cylinder lock When the joint member rotates, the unlocking operation can be performed by reliably sliding the operating rod.

  The operating rod is equipped with a spring member for returning the operating rod moved during the unlocking operation to the original position, and the cylinder lock of the cylinder lock unit has its lock shaft and engaging member in the original position. If a return spring is attached, the operating rod is securely returned to the base position after the unlocking operation, and the cylinder lock engaging member is returned to the base position. When the front door is closed, the cylinder lock The engagement member and the receiving engagement receiving portion of the operating rod can be reliably engaged.

  Further, since the cylinder lock unit having the cylinder lock is attached to the front door on the front surface of the game machine with the cylinder lock exposed to the front surface, a conventional pachinko machine in which a glass frame is attached to the inside of the front frame so as to be opened and closed. Thus, it is not necessary to make the glass frame small in order to remove the position of the cylinder lock, and the front door of the game machine is formed large to cover the front of the middle door and the main body frame while mounting the glass frame inside It is also possible to improve the degree of freedom in designing the front door.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 shows a front view of a lock unit 1 for a middle door of a locking device used in a game machine such as a pachinko machine, and FIG. 2 shows a left side view thereof. 3 shows a rear view thereof, FIG. 4 shows a right side view thereof, and FIG. 5 shows a partial front view showing an arrangement relation between the inner door lock unit 1 and the cylinder lock unit 30. This locking device includes a middle door lock unit 1 attached to the inner door 46 of the game machine and a cylinder lock unit 30 attached to the front door 47. The middle door lock unit 1 is a main body frame 45 of the game machine. The middle door 46 is locked, and the front door 47 is locked to the middle door 46, and the cylinder lock unit 30 performs the unlocking operation of the middle door lock unit 1.

  The middle door lock unit 1 is attached to a middle door 46 that is detachably mounted on the front surface of the main body frame 45 of the game machine. As shown in FIGS. 1 to 4, a vertically long base frame body 2 is used as a base frame. I have. As shown in FIGS. 7 to 9, the base frame body 2 is generally formed into a substantially angled material shape in which the mounting plate 3 and the support plate 4 are bent at right angles, that is, a vertically long shape having a substantially L-shaped cross section. The shape is formed.

  Further, the base frame body 2 is formed by combining a vertically long first base frame body 20 having a substantially L-shaped cross section and a substantially flat plate-like vertically long second base frame body 21. The mounting plate 3 is formed by the frame body 20, and the support plate 4 is formed by being bent at a right angle from the mounting plate 3 to the back side by the overlapping portion of the first base frame body 20 and the second base frame body 21. Has been.

  That is, as shown in FIG. 9, the support plate 4 of the base frame body 2 is formed by overlapping the second base frame body 21 on the left side of the first base frame body 20 and fixing it by rivets, welding or the like. At this time, the second base frame body 21 is fixed with a slight step portion between the first base frame body 20 and the first base frame body 20 along the longitudinal rear side thereof. Between the two frame bodies 21, slit insertion portions for inserting and sandwiching the below-mentioned front door locking saddle members 6, 7, 8 are formed in the upper portion, the lower portion, and the middle portion, respectively. In the slit insertion portion on the front side of the base frame body 2, the front door locking collar members 6, 7, 8 are inserted so as to be slidable up and down, and are firmly held.

  Further, as shown in FIG. 9, the first base frame 20 is formed with spring openings 24 at the upper, lower and intermediate portions thereof. The spring opening 24 is an opening for receiving coil springs 6e, 7e, 8e for biasing the front door locking collar members 6, 7, 8 toward the locking side, and is formed at three locations. . In addition, at the corresponding positions of the upper part, the lower part, and the middle part of the second base frame 21, three spring cover parts 25 are provided so as to cover the coil springs 6e, 7e, 8e of the spring openings 24. It is bent to project slightly to the right.

  The second base frame body 21 is assembled so as to overlap the portion of the support plate 4 of the first base frame body 20 so that each spring cover portion 25 is fitted into each spring opening 24. As will be described later, coil springs 6e, 7e, 8e for urging the front door locking collar members 6, 7, 8 are respectively provided in the spring opening 24 of the first base frame body 20 of the base frame body 2. Each of the spring cover portions 25 is arranged to cover these coil springs 6e, 7e, 8e from the right side of the base frame 2.

  Further, as shown in FIG. 9, substantially semicircular latch recesses 23, 23 are formed on the upper and lower back sides of the first base frame 20, and a part of the second base frame 21 is formed there. As shown in FIG. 11, the storage portion for storing the latch member 10 for locking the inner door is formed in a substantially semicircular shape on the right side surface of the base frame body 2 by being attached in layers. Become. As shown in FIG. 9, a guide locking hole 18 for the latch member 10 is disposed in the storage portion of the upper and lower latch members 10 of the second base frame 21, and is further locked to the latch member 10. An opening recess 22 is formed for allowing the locking pin 40a of the receiving metal fitting 40 to enter. Further, as shown in FIG. 11, the second base frame body 21 is engaged with the end of the spring member 13 in the latch member 10 at a position adjacent to the latch recesses 23, 23 to support it. The support convex portion 17 protrudes toward the latch concave portion 23 side.

  Further, as shown in FIG. 10, two locking portions 26, 26 project from the upper side and the lower side on the back side near the upper part of the second base frame 21. These locking portions 26 and 26 are for supporting a later-described operating rod 5 in a floating state by a coil spring 9, and the coil spring 9 has an operating rod 5 so as to hold the operating rod 5 in the vertical neutral position. Are mounted via spring-hanging members 9a and 9b. And the said latching | locking parts 26 and 26 have a structure which latches the upper and lower spring hook members 9a and 9b by which the upper end and lower end of the coil spring 9 are hung at the time of the movement of the operating rod 5.

  As shown in FIG. 10, a vertically long operating rod 5 is slidably attached to the left side surface of the base frame body 2 of the inner door lock unit 1, and is attached to the upper, lower, and intermediate portions of the base frame body 2. As described above, the front door locking collar members 6, 7, and 8 are inserted into the gap between the first base frame body 20 and the second base frame body 21 and are slidably mounted in the vertical direction. The operating rod 5 is disposed in contact with the outer side (left side) of the second base frame body 21, but slides up or down according to the unlocking operation of the cylinder lock 32 of the cylinder lock unit 30. At this time, the operating rod 5 slides down to unlock the front door locking rod members 6, 7, 8, and slides up to unlock the middle door locking latch member 10. It is like that.

  Further, on the operating rod 5, a receiving engagement portion 50 is formed to protrude in a side U shape or a substantially cup shape so as to receive the engagement member 33 of the cylinder lock 32 near the lower part on the front side. ing. As shown in FIGS. 1 and 10, the receiving engagement portion 50 is provided in a form that protrudes while being biased to the left side from the front center portion of the base frame body 2. As a result, when the base frame body 2 of the lock unit 1 for the middle door is attached to the free end (toward the left end) of the middle door 46, a wire or the like is formed from the gap between the free end side of the middle door 46 and the main body frame 45. When an unauthorized device is inserted, the receiving engagement portion 50 is separated from the gap to make it difficult for an unauthorized device such as a wire to reach and prevent unauthorized unlocking.

  The operating rod 5 is supported in a floating state by the single coil spring (spring member) 9 as described above. Thereby, when the operating rod 5 moves up or down in accordance with the rotation of the engaging member 33, the operating rod 5 can return to the neutral position by receiving the urging force of the coil spring 9.

  That is, as shown in FIG. 24, a recess for disposing the coil spring 9 is formed in a part of the operating rod 5, and a long hole is provided with stepped portions at the upper and lower portions of the recess. Long holes 58a and 58b are formed in the upper and lower long holes, and spring hook members 9a and 9b are movably fitted in the long holes 58a and 58b. That is, as shown in FIG. 24, the spring hook members 9a and 9b are fitted into the elongated holes 58a and 58b so as to be movable up and down, and the coil spring 9 is interposed between the lower end of the spring hook member 9a and the upper end of the spring hook member 9b. Is passed.

  Further, as shown in FIG. 10, locking portions 26, 26 project from the upper and lower portions of the second base frame body 21 located on the inner side of the operating rod 5 at the positions corresponding to the coil springs 9. 26, the upper part of the spring hooking member 9a and the lower part of the spring hooking member 9b are positioned so as to be engageable with each other. Accordingly, as shown in FIG. 24, the operating rod 5 is returned to its neutral position by the urging force of the coil spring 9 after sliding up or down.

  That is, the operating rod 5 can move upward or downward against the biasing force of the coil spring 9. For example, when the operating rod 5 moves upward by the rotation of the engaging member 33 of the cylinder lock 32, The lower end portion of the lower spring hook member 9b is locked by the locking portion 26 and cannot move and is stationary. On the other hand, the upper spring hooking member 9a moves upward with the upward movement of the operating rod 5, and the upper end of the spring hooking member 9a engages with the elongated hole 58a to move upward, whereby the coil spring 9 is stretched. The operating rod 5 is biased downward and returned to the neutral position below.

  On the other hand, when the operating rod 5 is moved downward by the rotation of the engaging member 33 of the cylinder lock 32, the lower end of the lower spring hook member 9b is moved downward together with the elongated hole 58b, while the upper spring hook is moved. The upper end portion of the member 9a is locked by the locking portion 26 and cannot move but stops. As a result, the coil spring 9 is stretched, and the operating rod 5 is biased upward and returned to the upper neutral position.

  As shown in FIG. 10, guide holes 53 are formed in the upper, lower, and intermediate portions of the operating rod 5, and guide pins 54 are inserted into the guide holes 53, respectively, and the distal ends thereof are the second base frame body 21. It is fixed to the left side surface of the (support plate 4), so that the operating rod 5 can move up and down within a predetermined range. Further, in order to move the three hook members 6, 7, and 8 for locking the front door in the unlocking direction, the hook members engaging portions 55, 56, and 57 are respectively located at corresponding positions, that is, upper portions. , A lower part, and an intermediate part. In addition, the upper and lower portions of the operating rod 5 protrude to the corresponding positions of the operating engagement portions 51 and 52 in order to rotate the two latch members 10 and 10 for locking the inner door to the unlocking side. It is installed.

  As shown in FIG. 10, the three flange members 6, 7, 8 project the flange portions 6 a, 7 a, 8 a on the front side of the base frame body 2 in order to lock the front door 47 with respect to the middle door 46. The base portion is inserted between the first base frame body 20 and the second base frame body 21 and is slidably sandwiched. As shown in FIG. 10, these flange members 6, 7, 8 are formed on the front side of the base portion with hook-shaped flange portions 6 a, 7 a, 8 a facing upward, and are inserted inside the base frame body 2. Guide holes 6b, 7b, and 8b are formed in the base portion, and a slit hole is formed below the guide holes.

  Guide pins 6d, 7d, and 8d are engaged with the guide holes 6b, 7b, and 8b, and guide protrusions 27 that protrude to the inside of the second base frame body 21 are engaged with the slit holes. 7 and 8 are slidably held in the vertical direction within a predetermined range. By means of the guide pins 6 d, 7 d, 8 d and the guide projection 27, the flange members 6, 7, 8 are held in the base frame body 2 so as to be vertically slidable. Thereby, when the open load which forcibly opens the front door 47 is applied to the eaves members 6, 7, 8, the open load can be firmly endured.

  Further, coil springs 6e, 7e, 8e are respectively hung between the upper portions of the flange members 6, 7, 8 and the base frame body 2, and the flange members 6, 7, 8 are each urged in the locking direction (upward direction). The Further, engaged portions 6c, 7c, and 8c that can be engaged with the engaging portions 55, 56, and 57 of the operating rod 5 are provided at the lower ends of the base portions of the flange members 6, 7, and 8, respectively. As a result, when the operating rod 5 slides downward on an engaging member 33 of a cylinder lock unit 30 to be described later, the engaging portions 55, 56, 57 are engaged with the engaged portions 6c, 7c, 8c. In addition, the flange members 6, 7, and 8 are slid downward together with the operating rod 5 to be unlocked.

  As shown in FIG. 11, the latch recesses 23, 23 are formed on the upper and lower back sides of the support plate 4 of the base frame body 2, that is, so as to cut out a part of the first base frame body 20 into a substantially semicircular shape. The latch members 10 and 10 are pivoted within a predetermined angular range around the pivots 16 and 16 respectively in the portions of the second base frame 21 formed and exposed in the upper and lower latch recesses 23 and 23. It is pivoted as possible. An opening recess 22 and a guide locking hole 18 are formed in a portion of the latch recess 23 facing the latch member 10 of the second base frame 21.

  The latch member 10 is formed with a latch recess 15 for receiving the locking pin 40a of the receiving device 40 when locked, and the latch recess 15 is disposed adjacent to the opening recess 22. The latch member 10 rotates while receiving the locking pin 40a in the latch recess 15 when the locking pin 40a of the receiving device 40 enters the latch recess 15 from the opening recess 22 during locking. It has a structure that locks and locks.

  A guide locking hole 18 formed on the support plate 4 side of the base frame body 2 is formed in a substantially L shape as shown in FIG. 11, and an end of the guide locking hole 18 is parallel to the support plate 4. When the portion is formed as a lock portion 18a and the locking pin 14 of the latch member 10 moves through the guide hole 12a of the cover plate 12 and simultaneously enters the lock portion 18a from the guide locking hole 18, the latch member 10 It is structured to be locked and locked.

  Further, as shown in FIG. 11, a support convex portion 17 is provided at a position slightly above the guide locking hole 18 of the second base frame body 21 so as to protrude to the inside, that is, the latch member 10 side. The support protrusion 17 enters an arcuate engagement recess 12 b formed on the inner surface of the latch member 10 and abuts against the spring member 13. Thereby, the latch member 10 rotates against the urging force of the spring member 13 during locking, and when the locking pin 14 is disengaged from the lock portion 18a toward the guide locking hole 18 during unlocking, 10 is rotated in the unlocking direction by the urging force of the spring member 13.

  As shown in FIG. 14, the latch member 10 is formed with a groove-shaped latch recess 15 that receives and restrains the locking pin 40 a of the receiver 40, and further latches the latch member 10 in the latch member 10. A locking pin 14 for locking in the state and a spring member 13 for biasing are incorporated. Further, as shown in FIG. 14, the latch member 10 is formed having a latch body 11 and a cover plate 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 is molded using a hard synthetic resin having high wear resistance such as polyacetal resin or polyamide resin, and the cover plate 12 is formed of a metal plate for reinforcement. A lubricant such as molybdenum disulfide is added to the molding material for molding the latch body 11, and thereby, the latch body 11 that forms the outer surface of the latch member 10 has appropriate lubricity, and the receiving body 40 side is provided with an appropriate slipperiness. The locking pin 40a is smoothly inserted. Further, the strength of the latch member 10 is reinforced by fixing a metal plate cover plate 12 to the inner side surface of the latch body 11 with fixing screws 12c.

  When the latch member 10 is rotated to the latch position, the latch pin 14 built in the latch member 10 is locked to the lock portion 18a of the guide latch hole 18 on the support plate 4 side at that position. In this case, it is arranged so as to protrude from the guide hole 12 a formed in the cover plate 12 to the support plate 4 side and is always urged outward by the spring member 13.

  As shown in FIG. 14, the spring member 13 is a torsion spring having two circular coil portions. One of the circular coil portions 13a is fitted to the pivot boss portion of the latch body 11, and the other circular coil portion 13b. Is fitted to a latching boss 11a projecting at a biased position in the latch body 11, and the latching pin 14 is urged at one end of the spring member 13 and projecting into the support plate 4 at the other end. It is latched so that the provided support convex part 17 may be pushed. A support convex part on the support plate 4 side enters and engages with the arc-shaped engagement concave part 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 17 is engaged. That is, when the other end of the spring member 13 is engaged with the support convex portion 17, the latch member 10 is biased by receiving a spring force relative to the unlocking side (clockwise in FIG. 4).

  As shown in FIG. 10, the engagement rods 51 and 52 are provided on the operation rod 5 at the upper and lower latch member corresponding positions so as to project toward the support plate 4 and toward the latch member 10. . Further, the operation engaging portions 51 and 52 are located in the vicinity of the lock portions 18a and 18a of the guide locking holes 18 and 18 in which the locking pins 14 and 14 of the latch members 10 and 10 are disposed. At the time of locking, the locking pins 14 and 14 in the lock portions 18a and 18a are pushed by the tips of the operation engagement portions 51 and 52 to release the lock.

  On the other hand, a front door 47 is detachably mounted on the front surface of the middle door 46 of the game machine, and the cylinder lock unit 30 is attached to the front door 47. As shown in FIGS. 12 and 13, the cylinder lock unit 30 is configured by attaching a cylinder lock 32 to a substantially central portion of the mounting plate 31 and fixing an engaging member 33 to a lock shaft 32 a of the cylinder lock 32. ing. An opening for inserting a cylinder lock is formed in the mounting plate 31, and a cylinder lock 32 is attached to the opening so that the lock shaft 32 a is inserted inside the mounting plate 31. That is, the cylinder lock 32 is inserted from the back side of the opening, and the flange 32 b of the cylinder lock 32 is fixed and attached inside the mounting plate 31.

  The cam lever-like engagement member 33 fixed to the lock shaft 32a of the cylinder lock 32 has two engagements that can be fitted into the receiving engagement portion 50 of the operating rod 5, as shown in FIGS. The projecting plates 33a and 33a are formed to project from the back side like corners at the end of the plate-like main body. Engagement protrusions 33a and 33a of the engagement member 33 are provided on the left side of the center vertical line position of the cylinder lock unit 30, and the cylinder lock unit 30 is located on the free end side of the front door 47 of the game machine. When attached, the engaging protrusions 33a and 33a are located away from the gap between the front door and the main body frame or the middle door, and it is difficult to reach the illegally inserted appliance from the gap.

  The cylinder lock 32 is provided with a return spring (torsion coil spring) 34 for returning the lock shaft 32a to the original position around the lock shaft 32a, and both ends of the return spring 34 are bent at substantially right angles. The engaging member 33 is engaged with the stepped portion 33b of the stepped recess formed at the distal end portion. Then, as shown in FIG. 12, the spring cover 35 is attached to the flange 32 b of the cylinder lock 32 so as to cover the return spring 34. The spring cover 35 is formed with an arc-shaped slit hole from which both ends of the return spring 34 can protrude, and the end of the return spring 34 protrudes from the slit hole, and the tip of the protruding return spring 34 is as shown in FIG. The engaging members 33 are engaged with the step portions 33b and 33b and operate to return the engaging member 33 to the neutral position. That is, when the key inserted into the cylinder lock 32 is rotated clockwise or counterclockwise, the return spring 34 returns the lock shaft 32a and the engaging member 33 to the original position (position where the key is inserted) by the spring force. It has become.

  As described above, the cylinder lock unit 30 is attached to the front surface of the free end of the front door 47 of the game machine. When the front door 47 is closed with respect to the middle door 46, the cylinder lock of the cylinder lock unit 30 is used. The engagement member 33 attached to the lock shaft 32a of the 32 is engaged with the receiving engagement portion 50 of the operating rod 5 of the lock unit 1 for the middle door on the middle door 46 side, and the middle door lock from the front door 47 side. The operating rod 5 of the unit 1 is moved and unlocked. Further, the front door 47 of the game machine to which the cylinder lock unit 30 is attached can be formed in a shape and size that completely covers the front surface of the middle door 46, and the front door 47 is for the saddle members 6, 7, 8. Is provided on the inner side, so that the front door 47 is locked by locking the collar members 6, 7, 8 of the lock unit 1 for the middle door attached to the middle door 46 to the catch 41. Yes.

  Furthermore, the flange members 6, 7, and 8 that lock the front door 47 are slidably held in the gaps of the support plate 4 of the base frame body 2. That is, the flange members 6, 7, and 8 are slidably disposed on the left side of the base frame body 2 in the first base frame body 20, and the second base frame body 21 is disposed on the left side of the flange members 6, 7, 8 is attached so as to cover the left side. This protects the bases of the eaves members 6, 7, and 8 from unauthorized devices such as wires, and maintains the locked state firmly even when an improper opening load is applied to the eaves members 6, 7, and 8. It has a structure that prevents unauthorized unlocking.

  As shown in FIGS. 16 and 19, the locking unit 1 for the middle door of the locking device configured as described above has the latch members 10, 10 placed in the rear side, that is, the main body frame (housing) in the middle door 46 of the game machine. The attachment plate 3 of the base frame body 2 is vertically fixed and attached toward the 45 side (including the body and cabinet). On the main body frame 45 side, corresponding to the latch members 10, 10, the receivers 40, 40 are fixed inside the right side wall portion of the main body frame 45 with the locking pins 40 a in a horizontal state. .

  As shown in FIG. 15, the receptacle 40 is configured by protruding a columnar locking pin 40 a with a head near the end of the substrate. A flange is provided at the tip of the locking pin 40a, and when the latch member 10 is locked to the locking pin 40a portion inside the flange, it is difficult to release the locked state. The locking pin can be a locking portion having another shape such as a bent metal plate. Further, the game machine middle door 46 is attached to the front surface of the main body frame 45 so as to be opened and closed, and the front door 47 is attached to the front surface of the middle door 46 so as to be opened and closed.

  On the other hand, the cylinder lock unit 30 has the cam lever-like engagement member 33 fixed to the lock shaft 32a of the cylinder lock 32 directed toward the inner door 46, and the mounting plate 31 is fixed to the inner side of the front door 47. It is attached. At this time, the engagement protrusions 33a and 33a at the distal end of the engagement member 33 are arranged at positions corresponding to the receiving engagement portions 50 of the inner door lock unit 1, and the cylinder lock 32 has its keyhole distal end at the front door 47. It is exposed and attached to the front side.

  Next, the operation of the locking device configured as described above will be described. When the inner door 46 of the game machine is closed with respect to the main body frame 45, the locking pins 40 a of the upper and lower receptacles 40 are moved from the upper and lower opening recesses 22, 22 of the locking device to the latch recesses of the latch members 10, 10. Enter 15 and 15. At this time, when the latch members 10 and 10 are rotated counterclockwise in FIG. 5B and the latch members 10 and 10 are rotated to the rotation end, the locking pin 14 in the latch member 10 is moved to the spring member 13. Due to this urging force, the locking pin 14 moves into the lock portion 18 a of the guide locking hole 18.

  At this time, the rotation of the latch members 10 and 10 is locked, the locking pin 40a of the receiving member 40 is restrained in the latch recesses 15 and 15 of the latch members 10 and 10, and the latch members 10 and 10 are in their latch positions. The locked state as shown in FIGS. 16 and 19 is obtained. At the time of such locking, the latch recess 15 of the latch member 10 and the locking pin 40a of the receiver 40 inserted therein can be smoothly fitted and locked very smoothly, and the unlocking operation is also performed. It can be done smoothly.

  On the other hand, when the front door 47 is closed with respect to the middle door 46, the three receiving brackets 41 attached to the inner side of the front door 47 are respectively the upper, middle, and lower flange members 6, 7 and 8 of the flange portions 6a and 7a. , 8a are brought into contact with the inclined portions of the coil springs 6e, 7e, 8e against the urging force of the coil springs 6e, 7e, 8e so that the catch members 41 can be locked to the collar portions, and the flange members 6, 7, 8 are As shown in FIG. 16 or FIG. 19, it is locked. The front door 47 is locked by three upper, middle, and lower flange members 6, 7, and 8, and each flange member 6, 7, and 8 is between the first base frame body 20 and the second base frame body 21. Therefore, even if it is the large front door 47, it can be locked firmly.

  On the other hand, when the inner door 46 is unlocked in the locked state of FIGS. 16 and 19, a key is inserted into the cylinder lock 32 and the key is turned clockwise. At this time, the engaging member 33 of the lock shaft 32a rotates in the same direction, but the receiving engaging portion 50 of the operating rod 5 is engaged and held in both engaging protrusions 33a at the end of the engaging member 33. Therefore, the operating rod 5 is lifted up by the engaging member 33 and raised. As a result, the upper and lower operation engaging portions 51 and 52 (positioned opposite to the lock portion 18a of the guide locking hole 18) of the operating rod 5 similarly move upward, and the engagement in the lock portion 18a. It acts to push the stop pin 14 upward.

  At this time, the locking pin 14 is moved from the lock portion 18a to the guide locking hole 18 by the biasing force of the spring member 13, and the lock at the latch position of the latch members 10 and 10 is released. That is, the latch members 10 and 10 are rotated in the clockwise direction in FIG. 20 by the urging force of the spring member 13, and the latching pin 40 a of the receiving member 40 that has been restrained becomes the latch concave portion 15 of the latch members 10 and 10. 15 and is also pushed out from the opening recesses 22 and 22 to be unlocked as shown in FIGS.

  On the other hand, when unlocking the front door 47, when the key is inserted into the cylinder lock 32 and turned counterclockwise, the lock shaft 32a and the engaging member 33 rotate in the same direction and are engaged and held by the engaging member 33. The operating rod 5 having the receiving engaging portion 50 is lowered. At this time, as shown in FIGS. 17 and 18, the engaging portions 55, 56, and 57 of the operating rod 5 are engaged with the engaged portions 6c, 7c, and 8c of the rod members 6, 7, and 8, respectively. The members 6, 7, and 8 are slid downward. Thereby, the engagement between the flange portions 6a, 7a, 8a of the flange members 6, 7, 8 and the receiving metal fitting 41 is released, the front door 47 is unlocked, and the front door 47 is opened as shown in FIG.

  Thus, the middle door lock unit 1 is attached to the middle door 46 of the game machine, the cylinder lock unit 30 is attached to the front door 47 mounted on the front side of the middle door 46, and the middle door lock unit 1 and the cylinder are attached. Since the lock unit 30 is coupled to lock the front door 47 to the middle door 46 and the middle door 46 is locked to the main body frame 45 using the middle door lock unit 1, it also serves as a glass frame. The front door 47 can be made as large as the middle door 46, and the degree of freedom in designing the front door 47 can be increased.

  Since the cylinder lock 32 is disposed on the front door 47, when the front door 47 is opened, the cylinder lock 32 can be unlocked by inserting a key into the cylinder lock 32 in the same manner as a normal door. There is an effect that the operation is easy. If the middle door 46 and the front door 47 are locked to the main body frame 45, the middle door 46 with the front door can be unlocked and opened by turning the key of the cylinder lock 32 clockwise. In addition, the middle door 46 and the front door 47 can be unlocked from the front with one cylinder lock 32. Moreover, in the lock unit 1 for middle doors attached to the middle door 46, since it is set as the structure which removed the cylinder lock 32 and the engagement member 33 which are normally mounted | worn, the weight of the part can be reduced.

  As described above, in the locking device of the game machine of the present invention, the base frame body 2 of the inner door lock unit 1 is configured by combining the first base frame body 20 and the second base frame body 21, and the first base Since the scissors members 6, 7, and 8 are slidably held in the gap formed in the overlapping portion of the frame body 20 and the second base frame body 21, a strong force is generated by unauthorized unlocking or the like. Even when added to the above, the eaves member is securely sandwiched between the first base frame body 20 and the second base frame body 21, and unauthorized unlocking can be prevented. In addition, since the first base frame body 20 and the second base frame body 21 are overlapped to form the base frame body 2, the strength of the base frame body 2 is sufficiently reinforced to prevent deformation during unauthorized unlocking or the like. can do.

  Further, coil springs 6e, 7e, 8e, which are stretched between the flange members 6, 7, 8 and the base frame body 2 to urge the flange members in the locking direction, are provided on the first base frame body 20. Since the coil springs 6e, 7e, and 8e are covered by the spring cover portion 25 that is disposed in the opening 24 for the spring and provided in the second base frame 21, the coil can be effectively formed without increasing the number of parts. The spring is covered by the spring cover portion, and the coil spring can be protected from an unauthorized unlocking action performed by inserting a wire or the like.

  Further, the base frame body 2 of the inner door lock unit 1 is configured by combining the first base frame body 20 and the second base frame body 21, and the first base frame body 20 and the second base frame body 21 are overlapped. A latch recess 23 for housing the latch member 10 is formed in the portion, the periphery of which is surrounded by the first base frame 20, and the latch member 10 is pivotally supported in the latch recess 23. For this reason, it is possible to make it difficult for an illegal instrument such as a wire to reach the latch member 10 whose peripheral portion is surrounded by the first base frame body 20, and to protect the latch member 10 from an illegal unlocking action. Further, since the latch member 10 is accommodated in the latch recess 23 surrounded by the periphery, even when a strong force is applied to the latch member 10 by unauthorized unlocking, the latch member 10 is moved to its position. To prevent unauthorized unlocking.

  Further, the engagement member 33 of the cylinder lock unit 30 is formed by projecting two engagement protrusions 33a at a position deviated from the rotation axis, and the receiving engagement portion 50 of the operating rod 5 is an engagement member. The engagement protrusion plate 33a of 33 is formed in a substantially U-shape so as to be surrounded and engaged from the back side, and is arranged to be deviated laterally from the central vertical line of the base frame 2. For this reason, when the engaging member 33 is rotated by the unlocking operation of the cylinder lock 32, the unlocking operation can be performed by reliably sliding the operating rod 5.

  The operating rod 5 is provided with a spring member (coil spring 9) for returning the operating rod moved during the unlocking operation to the original position, and the cylinder lock 32 of the cylinder lock unit 30 has its lock shaft. A return spring 34 for returning the 32a and the engaging member 33 to the original position is mounted. For this reason, after the unlocking operation, the operating rod 5 is surely returned to the original position, and the engagement member 33 of the cylinder lock 32 is returned to the original position. When the front door 47 is closed, the cylinder lock 32 is engaged. The member 33 and the receiving engagement portion 50 of the operating rod 5 can be reliably engaged.

It is a front view of the locking unit for middle doors of the locking device showing one embodiment of the present invention. It is a left view of the lock unit for middle doors. It is a rear view of the lock unit for middle doors. It is the right view (a) and top view (b) of the lock unit for middle doors. It is the partial front view (a) which shows the arrangement | positioning relationship of a lock unit for middle doors, and a cylinder lock unit, the partial right view (b), the partial back view (c), and the partial left view (d). It is the front view (a) of the cylinder lock unit, the right side view (b), the left side view (c), and the top view (d). It is a left view of the base frame of the lock unit for middle doors. It is a rear view of the base frame of the lock unit for middle doors. It is a decomposition | disassembly left view of the base frame of the lock unit for inside doors. It is a decomposition | disassembly left view of the base frame of a lock unit for inside doors, an operating rod, and a collar member. It is a decomposition | disassembly left view of the base frame and latch member of the lock unit for inside doors. It is an expansion perspective view from the back side of a cylinder lock unit. It is an exploded rear view of a cylinder lock, a cam member, a return spring, and a spring cover. They are a left side view (a), a rear view (b), a plan view (c), and an exploded perspective view (c) of the latch member. It is the left view (a) and the front view (b) of the metal fitting for latch members. It is a right side view of the locking device mounted on the game machine and in a state where the front door and the middle door are locked. It is a right view of the state which unlocked the front door. It is a right view of the state which open | released the unlocked front door. It is a left side view of the locking device mounted on the game machine and in a state where the front door and the middle door are locked. It is a right view of the state which unlocked the inner door. It is a left view of the state which unlocked the inner door. It is an expansion perspective view of the lower part of the locking device at the time of unlocking operation of an inner door. It is an expansion perspective view of the lower part of the locking device at the time of unlocking operation of a front door. It is an expansion perspective view which shows the mounting state of a floating type coil spring.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Locking unit for middle doors 2 Base frame 3 Mounting plate 4 Support plate 5 Actuation rod 6 Trap member 10 Latch member 15 Latch recess 16 Axis 20 First base frame 21 Second base frame 22 Opening recess 23 Latch recess 24 Spring opening portion 25 Spring cover portion 30 Cylinder lock unit 32 Cylinder lock 32a Lock shaft 33 Engagement member 33a Engagement projection plate 40 Receiving member 41 Receiving metal fitting 45 Body frame 46 Middle door 47 Front door 50 Receiving engagement portion 51 Actuation engagement Part 55, 56, 57 engaging part

Claims (4)

A lock unit for the middle door with a base frame is attached to the middle door that can be opened and closed on the main frame of the game machine, and a cylinder lock unit with a cylinder lock can be opened and closed on the middle door. A hook member attached to the front door and locked for locking the front door is slidably mounted in the lock unit for the middle door, and the hook member is attached to a metal fitting provided on the front door. In a locking device of a game machine that is locked and the front door is locked,
The base frame body of the lock unit for the inner door is configured by combining the first base frame body and the second base frame body, and the gap formed in the overlapping portion of the first base frame body and the second base frame body In addition, the hook member is slidably sandwiched, and an unlocking operating rod is slidably disposed along the base frame body, and the operating rod is engaged with the hook member when unlocked. And an engaging portion for sliding the flange member in the unlocking direction is provided, and the engaging member is attached to the lock shaft of the cylinder lock provided in the cylinder lock unit, and when the front door is closed, A receiving engagement portion that can be engaged with the engagement member of the lock shaft is provided in a part of the operating rod ,
A coil spring for urging the collar member in the locking direction is stretched between the collar member and the base frame body, and the coil spring is disposed in a spring opening provided in the first base frame body. A locking device for a game machine, wherein a spring cover portion for covering the coil spring is provided on the second base frame . A lock unit for the middle door with a base frame is attached to the middle door that can be opened and closed on the main frame of the game machine, and a cylinder lock unit with a cylinder lock can be opened and closed on the middle door. A latch member that is attached to the front door and that locks the inner door is pivotally supported in the inner door lock unit, and the latch member is mounted on a receiving member provided on the main body frame. In the locking device of the game machine in which is locked and the inner door is locked,
A base frame body of the lock unit for the inner door is configured by combining the first base frame body and the second base frame body, and the latch member is disposed at an overlapping portion of the first base frame body and the second base frame body. A latch recess is formed with the periphery surrounded by the first base frame body, and the latch member is pivotally supported in the latch recess so that the base frame body An unlocking operating rod is slidably disposed along the second base frame body, and an opening recess is formed on the upper and lower portions of the second base frame body to allow the receiving member to enter. A groove-like locking recess for restraining the inner receiving member, and pivotally supported in the vicinity of the opening recess at the upper and lower portions of the support plate, respectively, and the operating rod includes the latch when unlocked. An operating engagement portion is provided that engages the member and allows the latch member to rotate in the unlocking direction, and is provided in the cylinder lock unit. An engagement member is attached to the lock shaft of the cylinder lock, and a receiving engagement portion that can be engaged with the engagement member of the lock shaft is provided in a part of the operating rod when the front door is closed. The latch member is locked to the receiving member when the latch member is pushed by the receiving member and rotated to the latching position when the inner door is closed, and the engagement of the lock shaft is performed by the cylinder lock. When the member is rotated in the unlocking direction of the latch member, the operating rod moves, the latching of the latch member is released by the operating engagement portion, and the latch member rotates to the unlocking side, A locking device for a game machine, wherein the inner door is unlocked.   The engagement member of the cylinder lock unit is formed by projecting two engagement protrusions at a position deviated from the rotation axis, and the receiving engagement portion of the operating rod is the engagement member of the engagement member. 3. The protruding plate is formed in a substantially U-shape so as to surround and engage from the back side, and is arranged to be deviated laterally from the central vertical line of the base frame. The locking device of the game machine as described.   The actuating rod is provided with a spring member for returning the actuating rod moved during the unlocking operation to the original position, and the cylinder lock of the cylinder lock unit has its lock shaft and engaging member in its original position. 3. The game machine locking device according to claim 2, further comprising a return spring for returning to the position.

Images