JP5336446B2 - Pachinko machine locking device - Google Patents

Description

  The present invention relates to a locking device for a pachinko machine, which is attached to a middle frame (front frame) of a pachinko machine, locks the middle frame to a main body frame, and locks a glass frame attached to the middle frame so as to be opened and closed.

  The middle frame (front frame) of the pachinko machine is mounted on the front surface of the main body frame so as to be opened and closed via a hinge, and further, the glass frame is mounted on the front surface of the middle frame so as to be opened and closed. As a locking device of a pachinko machine that is attached to such an inner frame, locks the inner frame to the main body frame, and locks the glass frame that can be opened and closed with respect to the inner frame, the upper and lower hooks are engaged. Locking rods for the middle frame with the pawls projecting on the back side, and the long glass frame locking rods with hook-shaped pawls projecting on the front side (cylinder locking side) on the top and bottom Patent Document 1 below proposes a locking device disposed in a vertically long base frame so as to be vertically slidable.

  In this locking device, the cam plate fixed to the lock shaft of the cylinder lock attached to the base frame body can be engaged with the lock rod for the middle frame and the lock rod for the glass frame, and when the cylinder lock is unlocked, A locking claw provided on the middle frame locking rod or the glass frame locking rod and a metal frame side or metal frame side metal fitting Release the engagement and unlock.

  Furthermore, the locking member for the glass frame of this locking device has a locking piece of a locking member pivotally supported by the base frame member when it moves to the sliding end during the unlocking operation. The glass frame locking bar is locked by engaging with a notch provided in the portion, and thereby the glass frame locking bar is self-held in the unlocked state. For this reason, when the glass frame of the gaming machine provided with the locking device is closed, a part of the glass frame comes into contact with the lock member, and the lock member rotates in the unlocking direction. The frame locking rod is slid in the locking direction by the urging force of the coil spring, the engaging claw and the receiving metal fitting on the glass frame side are engaged, and the glass frame is locked.

JP 2005-296403 A

  However, the self-holding type locking device at the time of unlocking is such that the lock member pivotally supported by a part of the base frame body locks the lock piece to the notch of the glass frame locking rod at the time of unlocking. Thus, the glass frame locking bar is operated to be held in an unlocked state, but when the glass frame is set to the locked state, the lock member has no effect on the glass frame locking bar. For this reason, when an unauthorized force in the unlocking direction is applied to the locking jar for the glass frame by an unauthorized instrument inserted from the outside, the locking jar for the glass frame may move in the unlocking direction and the unauthorized unlocking may be performed. was there.

  In view of the above points, the present invention prevents unauthorized unlocking by a fraudulent instrument such as a wire in a locking device of a self-holding pachinko machine when unlocked in which the locking rod is held in an unlocked state when unlocked. An object of the present invention is to provide a locking device for a pachinko machine.

In order to achieve the above object, a locking device for a pachinko machine according to claim 1 of the present invention comprises:
A mounting plate in which a middle frame locking rod and a glass frame locking rod are slidably arranged vertically along the support plate of the vertically long base frame body, and provided at a substantially right angle to the support plate on the front surface of the base frame body A cylinder lock is attached, a cam member is fixed to the lock shaft of the cylinder lock, the inner frame locking rod and the glass frame locking rod are engageable with the cam member, and the base frame is attached to the pachinko machine. A collar portion attached to the middle frame and protruding from the back side of the middle frame locking rod is locked to a receiving portion on the main body frame side to lock the middle frame, and projects to the front side of the glass frame locking rod. In the locking device of the pachinko machine in which the installed collar is locked to the receiving part on the glass frame side and locks the glass frame,
When the middle frame locking rod is slid to the unlocked position by the unlocking operation of the cylinder lock, the locking portion is locked to the locked portion of the middle frame locking rod and the unlocked state is maintained. The middle frame unlocking holding member is pivotally supported by the base frame so as to be swingable,
The middle frame unlocking holding member is provided with a contact portion capable of coming into contact with a receiving portion on the main body frame side to which the collar portion of the middle frame locking rod is locked, and the collar portion is the receiving portion. A locking part is provided at a position sandwiching the receiving part between the hook part and the hook part,
When the middle frame is closed with respect to the main body frame, the corresponding contact portion comes into contact with the receiving portion, the middle frame unlocking holding member swings, and the latching portion is unlocked and unlocked. And is configured to be in a locked state by sliding the inner frame locking rod with a spring force,
When the glass frame locking rod is slid to the unlocked position by the unlocking operation of the cylinder lock, the locking portion is locked to the locked portion of the glass frame locking rod and the unlocked state is maintained. The glass frame unlocking holding member is pivotally supported by the base frame so as to be swingable,
The glass frame unlocking holding member is provided with an abutting portion capable of abutting on a receiving portion on the main body frame side to which the collar portion of the glass frame locking collar is locked, and the collar portion is the receiving portion. A locking part is provided at a position sandwiching the receiving part between the hook part and the hook part,
When the glass frame is closed with respect to the middle frame, the corresponding contact portion comes into contact with the receiving portion, the glass frame unlocking holding member swings, and the locking portion is unlocked and unlocked. And is configured to be in a locked state by sliding the glass frame locking rod with a spring force,
A lock member having a lock engagement portion is pivotally supported by the middle frame lock rod or the glass frame lock rod in the vicinity of the cam member so that the lock engagement portion can engage with the lock recess portion. Provided in the middle frame locking bowl and the glass frame locking bowl,
The lock member is configured such that when the middle frame locking rod and the glass frame locking rod are in a locked state, the lock locking portion is locked to the lock recess to slide the middle frame locking rod and the glass frame locking rod. When the unlocking operation by the cylinder lock is performed, the lock member swings by the rotation of the cam member to release the lock.

  According to the locking device of the present invention, in the locked state, the lock member locks the lock engaging portion with the lock recesses of the intermediate frame locking rod and the glass frame locking rod, so that the middle frame locking rod and the glass frame locking rod Since the sliding is locked, it is impossible to illegally slide the middle frame locking rod or the glass frame locking rod to the unlocking side without using the cylinder lock, thus preventing unauthorized unlocking. .

  In addition, since the middle frame unlocking holding member is provided with a lock portion at a position sandwiching the receiving portion with the collar portion when the collar portion of the middle frame locking collar is locked to the receiving portion, Even if the locking saddle or base frame is improperly subjected to the side that removes the collar from the receiving part, the middle frame locking saddle or base frame is unlocked with the receiving part sandwiched between the locking part and the collar. It cannot move to the side, and unauthorized unlocking of the middle frame can be prevented.

  Similarly, the glass frame unlocking holding member is provided with a lock portion at a position where the receiving portion is sandwiched between the hook portion of the glass frame locking hook when the hook portion is locked to the receiving portion. Even if the frame locking saddle or base frame body receives an improper force on the side that removes the collar from the receiving part, the glass frame locking saddle or base frame can move with the receiving part sandwiched between the locking part and the collar part. Therefore, unauthorized unlocking of the glass frame can be prevented.

  Further, when unlocking with the cylinder lock, the cam member rotates to swing the lock member, and the lock locking portion is released from the locking recess, so that the middle frame locking rod or the glass frame locking rod is It is slidable and slides to the unlocked position, whereby the collar part of the middle frame locking collar is detached from the receiving part, or the collar part of the glass frame locking collar is detached from the receiving part, and is unlocked. When the middle frame locking bar moves to the unlocked end, the locking part of the middle frame unlocking holding member is locked to the locking recess of the middle frame locking bar to hold the unlocked state, When the glass frame locking rod moves to the unlocked end, the locking portion of the glass frame unlocking holding member is locked to the locking recess of the glass frame locking rod to hold the unlocked state.

  When the middle frame is closed in such an unlocked state, the contact portion of the middle frame unlocking holding member abuts on the receiving portion, the middle frame unlocking holding member swings, and the locking portion is locked. The unlocked state is released and the middle frame locking rod is slid to the locked position by the spring force. Therefore, when the middle frame is closed, it can be lightly locked with a small frictional resistance. When the glass frame is closed, the abutment portion of the glass frame unlocking holding member abuts on the receiving portion, the glass frame unlocking holding member swings, and the latching portion is unlocked and unlocked. And the glass frame locking rod is slid to the locking position by the spring force, so that when the glass frame is closed, it can be lightly locked with a small frictional resistance.

  The locking device according to claim 2 of the present invention is the locking device of the pachinko machine according to claim 1, wherein an opening is formed in the support plate and the back plate in the vicinity of the wide portion of the mounting plate to which the cylinder lock is attached, A cam chamber is formed inside the opening, and a cam member of a lock shaft of the cylinder lock is engageable with the middle frame lock rod, the glass frame lock rod and the lock member in the cam chamber, and the cam chamber A cover is attached so as to cover the back side from the side of the.

  According to this invention, at the time of unlocking by the operation of the cylinder lock, the unlocking operation can be performed by smoothly sliding (swinging) the inner frame locking rod, the glass frame locking rod and the lock member, and the cam chamber By covering the back surface from the side with a cover, unauthorized unlocking by an unauthorized device can be more effectively prevented.

  According to the locking device of the pachinko machine of the present invention, in the locked state, both the inner frame locking rod and the glass frame locking rod are securely locked by the locking member, and the receiving portion is sandwiched between the locking portion and the hook portion. Since it is held and prevented from moving to the unlocking side, it is possible to effectively prevent unauthorized unlocking performed by illegally moving the middle frame locking rod or the glass frame locking rod with an unauthorized instrument such as a wire.

  Moreover, at the time of the unlocking operation by the key, the common lock member can be swung to release the lock, and the middle frame locking rod or the glass frame locking rod can be moved in the unlocking direction with a small number of members, thereby smoothly unlocking. . At the time of unlocking, the middle frame locking rod is held in the unlocked state by the middle frame unlocking holding member, and the glass frame locking rod is held in the unlocked state by the glass frame unlocking holding member. Since the unlocking holding member abuts on the receiving part and swings, the unlocking self-holding state is automatically released and the locking state is established, so that when the middle frame or the glass frame is closed, it is light with little frictional resistance. Can be locked.

It is a front view of the locking device which shows one Embodiment of this invention. It is the right view. FIG. FIG. FIG. It is an expansion partial perspective view of the cylinder lock vicinity. It is the expansion partial perspective view (a) of the cam member vicinity of the state which removed the cover, and the expansion partial right view (b). It is a left view at the time of locking which shows a use condition. It is a left view when the middle frame is unlocked. It is a left view when a glass frame is unlocked. They are an enlarged partial perspective view (a) in the vicinity of the cam member with the cover removed when the middle frame is unlocked and an enlarged partial right side view (b). They are an enlarged partial perspective view (a) near the cam member with the cover removed when the glass frame is unlocked, and an enlarged partial right side view (b). It is an enlarged partial perspective view (a) near the cylinder lock when the middle frame is unlocked, and an enlarged partial perspective view (b) near the cylinder lock when the glass frame is unlocked. It is the upper expansion perspective view (a) at the time of locking, the upper expansion perspective view (b) at the time of unlocking the glass frame, and the enlarged partial perspective view (c) at the time of unlocking the middle frame. It is the expansion perspective view (a) near the glass frame unlocking holding member at the time of locking, and the perspective view (b) near the glass frame unlocking holding member at the time of unlocking the glass frame. It is explanatory drawing which shows the motion of the middle frame unlocking holding member vicinity at the time of middle frame locking. It is explanatory drawing which shows a motion of the glass frame unlocking | holding holding member at the time of glass frame locking.

  Embodiments of the present invention will be described below with reference to the drawings. 1 is a front view of a locking device for a pachinko machine, FIG. 2 is a right side view thereof, FIG. 3 is a rear view thereof, FIG. 4 is a perspective view thereof, and as shown in these drawings, this locking device is shown. In general, the middle frame locking rod 2 and the glass frame locking rod 3 are slidably arranged vertically along the support plate 12 of the vertically long base frame body 1. A cylinder lock 7 is attached to a mounting plate 11 provided at a substantially right angle with respect to the support plate 12, a cam member 8 is fixed to a lock shaft 7a of the cylinder lock 7, and the middle frame locking rod 2 and the glass frame locking rod 3 are cams. The base frame body 1 is attached to the inner frame 91 of the pachinko machine, and the two flange portions 21 and 22 projecting from the back side of the intermediate frame locking rod 2 are on the main body frame 90 side. The three frame portions 31, 3 that are respectively locked to the receiving portions 93, 94 to lock the middle frame 91 and project from the front side of the glass frame locking rod 3. 33 is configured as locked each engaged with the receiving portion 95, 96, and 97 of the glass frame 92 side to lock the glass frame 92.

  As shown in FIG. 5, the base frame body 1 constituting the main body frame of the locking device is formed in a vertically long channel material shape by integrating the front cross-sectional U-shaped portion and the back-side cross-sectional L-shaped portion. ing. A plate on the front side of the U-shaped section is formed as the mounting plate 11, and a support plate 12 is formed on the mounting plate 11 from the left end of the mounting plate 11 toward the back side at a right angle. A portion connecting the U-shaped portion and the L-shaped cross section on the back side is formed at right angles to the mounting plate 11. Further, on the back side of the L-shaped section, a back plate 13 is provided at a right angle to the support plate 12, parallel to the mounting plate 11 and on the opposite side of the mounting plate 11 (left side of the support plate 12). .

  A cylinder lock 7 is attached to the wide portion provided near the lower portion of the attachment plate 11 so that the lock shaft 7a is inserted into the inside of the support plate 12. On the left side (left side of the front view) of the support plate 12, the middle frame The locking rod 2 and the glass frame locking rod 3 are attached so as to be slidable up and down, and the middle frame unlocking holding member 4, the glass frame unlocking holding member 5 and the lock member 6 are pivotally supported so as to swing back and forth (up and down). Has been.

  As shown in FIGS. 3 and 4, the back plate 13 provided on the back side of the L-shaped section of the base frame body 1 is provided with openings at the top and bottom, and from the opening to the back side. The flange portions 21 and 22 of the frame locking rod 2 protrude. When the locking device is attached to the middle frame 91 of the pachinko machine, the attachment plate 11 and the back plate 13 serve as attachment portions, and the base frame body 1 of the locking device is placed on the right side of the middle frame 91 by the attachment holes and screws drilled there. Installed vertically inside the free end.

  Thus, the base frame body 1 is integrally formed with a U-shaped section having a U-shaped cross section and an L-shaped section having an L-shaped cross section. Since these three corners are formed, sufficient bending strength can be given to the longitudinal direction. Such a base frame body 1 can be manufactured only by bending, cutting and punching a metal plate by pressing.

  As shown in FIGS. 4 and 5, a sliding support member 19 made of synthetic resin is fixed to the lower part of the base frame 1 so as to protrude to the back side. The sliding support member 19 has a protruding portion formed in a tapered shape, and a lower surface of the protruding portion is formed as an inclined surface. When the middle frame 91 is closed with respect to the main body frame 90, the sliding support member 19 is formed on a lower portion (or a sliding plate) in the main body frame 90. It acts to ride up and corrects the downward shift due to the weight of the middle frame 91. The sliding support member 19 is fitted to the lower portion of the cross-section L-shaped portion of the base frame body 1, that is, the support plate 12 and the back plate 13, and holds the support plate 12 and the back plate 13 in a right angle state. The deformation of the cross-sectional shape of the L-shaped portion is prevented and the shape is firmly held.

  The wide portion near the lower portion of the mounting plate 11 bulges to the left side of the front surface of the U-shaped section, that is, the left side of the mounting plate 11, and is provided with an opening hole for inserting the cylinder lock 7. As shown in FIG. 7, the cylinder lock 7 is inserted from the back side of the wide part of the mounting plate 11 so that the outer cylinder part protrudes forward, and the flange 7b is fixed to the back side of the wide part. As shown in FIGS. 5 and 7, an opening is formed in the portion of the support plate 12 and the back plate 13 in the vicinity of the wide portion of the mounting plate 11, and a cam chamber 14 is formed in the inner space of the opening.

  As shown in FIGS. 7 and 11, the cam member 8 is fixed to the lock shaft 7 a of the cylinder lock 7, and the cam member 8 is rotatable in the cam chamber 14. The cam member 8 is provided with a first engaging convex portion 8a and a second engaging convex portion 8b, and the first engaging convex portion 8a and the second engaging convex portion 8b of the cam member 8 are as described later. The lock member 6 and the inner frame locking rod 2 or the glass frame locking rod 3 can be engaged with each other. Further, as shown in FIG. 3, a cover 18 is attached so as to cover the back surface from the side surface of the cam chamber 14, and the cam chamber 14 is covered with the cover 18, so that an illegally inserted unauthorized device does not reach the cam member 8. I am doing so.

  When the key is inserted into the cylinder lock 7 and turned to the right, the cam member 8 is moved in the same direction as shown in FIGS. 9, 12, and 13a. The first engaging convex portion 8a engages with the engaging portion 23 (FIG. 5) of the middle frame locking rod 2 together with the lock member 6, and slides it upward. On the other hand, when the key is inserted into the cylinder lock 7 and turned counterclockwise, as shown in FIGS. 10, 11 and 13b, the cam member 8 rotates in the same direction, and the second engaging convex portion 8b is locked. It engages with the engaging portion 34 of the glass frame locking rod 3 together with the member 6 and slides it downward.

  As shown in FIGS. 1, 9, 10 and the like, on the left side of the support plate 12, an intermediate frame locking rod 2, a glass frame locking rod 3, an intermediate frame unlocking holding member 4, a glass frame unlocking holding member 5, and a locking member. 6 is arranged. As described above, the flange portions 21 and 22 of the middle frame locking rod 2 are attached so as to protrude from the opening provided in the back plate 13 on the back side of the L-shaped section. The middle frame locking rod 2, the glass frame locking rod 3, and the lock member 6 are mounted on the left side of the support plate 12 so as to be slidable up and down via six guide pins 71 to 76 and guide holes.

  As shown in FIG. 5, guide holes 71 to 76 are respectively inserted into the guide holes 71 to 76 in the middle frame locking rod 2 and the glass frame locking rod 3 along the longitudinal direction. The front ends of 71 to 76 are fixed to the support plate 12, and the middle frame locking rod 2 and the glass frame locking rod 3 are attached to be slidable up and down within a predetermined range.

  That is, guide holes 72a, 73a, 74a, 75a are formed in the upper, middle, and lower portions of the middle frame locking rod 2, and the guide pins 72, 73, 75a are formed in the guide holes 72a, 73a, 74a, 75a. 74 and 75 are inserted, and the middle frame locking rod 2 is guided to slide up and down within the range of the locking position and the unlocking position limited by the guide holes 72a, 73a, 74a, and 75a. Further, as described above, the lock member 6 is pivotally supported by the pivot 61 on the bent lower portion of the middle frame locking rod 2. On the other hand, the glass frame locking rod 3 is formed with guide holes 71a, 73b, 74b, 76a in the upper part, the intermediate part, and the lower part, and the guide pins 71, 73, 74 and 76 are inserted, and the glass frame locking rod 3 is guided to slide up and down within the range of the locking position and the unlocking position limited by the guide holes 71a, 73b, 74b and 76a.

  As shown in FIG. 5, the middle frame locking rod 2 is formed by projecting hook-shaped collar portions 21 and 22 on the back side of the upper and lower portions of the band plate. An engaging portion 23 is provided as an edge of the long hole on the lower side of the middle frame locking rod 2 (a position facing the cam member 8 of the cylinder lock 7), and the first engagement of the cam member 8 as described above. The convex part 8a can be engaged. A glass frame locking rod 3 is slidably disposed between the middle frame locking rod 2 and the support plate 12.

  As shown in FIG. 5, the glass frame locking bar 3 is provided with three hooks 31, 32, 33 protruding toward the front side. An engaging portion 34 is provided as an edge of the long hole on the lower side of the glass frame locking rod 3 (a position facing the cam member 8 of the cylinder lock 7), and the second engagement of the cam member 8 is as described above. The convex portion 8 b can be engaged with the engaging portion 34.

  Further, the middle frame unlocking holding member 4 is pivotally supported between the middle frame locking rod 2 and the support plate 12 so as to be swingable back and forth (up and down) about the pivot 41. As shown in FIG. 16, the middle frame unlocking holding member 4 is configured such that when the middle frame locking rod 2 is raised to the unlocking position during the unlocking operation of the cylinder lock 7 by the key, the middle frame unlocking holding member 4 The locking portion 42 is locked in the locking recess 24 of the middle frame locking rod 2 to hold the middle frame locking rod 2 in the unlocked position. Further, the middle frame unlocking holding member 4 is provided with a contact portion 44 that can contact the receiving portion 93 on the main body frame 90 side when the middle frame 91 is closed. , The middle frame unlocking holding member 4 swings, the locking portion 42 is disengaged from the locking recess 24, and the middle frame locking rod 2 is lowered to the locking position by the spring force of the coil spring 16. The middle frame 91 is locked.

  Further, as shown in FIG. 16, the middle frame unlocking holding member 4 is in contact with a lock portion 43 that locks the receiving portion 93 with the collar portion 21 when the middle frame 91 is locked. The protrusion 44 is provided on the opposite side of the portion 44, that is, at a position facing the flange portion 21. As shown in FIG. 16, the lock part 43 of the middle frame unlocking holding member 4 holds the middle frame unlocked when the abutting part 44 abuts on the receiving part 93 when the middle frame 91 is closed with respect to the main body frame 90. The member 4 is slightly rotated in the clockwise direction in FIG. 16. At this time, the locking portion 42 is detached from the locking recess 24, and the middle frame locking rod 2 is lowered by the spring force of the coil spring 16, so that the flange portion 21. Is locked to the receiving portion 93 to lock the receiving portion 93 so as to be sandwiched between the flange portion 21 and the lock portion 43, and to prevent the movement of the middle frame locking rod 2 in the unlocking direction (upward). It has become.

  Further, the glass frame unlocking holding member 5 is pivotally supported with respect to the support plate 12 at an intermediate portion between the glass frame locking rod 3 and the support plate 12 so as to be swingable back and forth (up and down) about the pivot 51. As shown in FIG. 17, the glass frame unlocking holding member 5 is engaged with the glass frame unlocking holding member 5 when the glass frame locking rod 3 is lowered to the unlocking position during the unlocking operation of the glass frame with a key. The stopper 52 is locked in the locking recess 35 of the glass frame locking rod 3 to hold the glass frame locking rod 3 in the unlocked position. Further, the glass frame unlocking holding member 5 is provided with a contact portion 54 that can contact the receiving portion 96 on the glass frame 92 side when the glass frame 92 is closed, and the contact portion 54 is the receiving portion 96. , The locking portion 52 is disengaged from the locking recess 35, and the glass frame locking rod 3 is raised to the locking position by the spring force of the coil spring 15 and locked.

  Further, as shown in FIG. 17, the glass frame unlocking holding member 5 is in contact with a lock portion 53 that locks the receiving portion 96 so as to sandwich the receiving portion 96 when the glass frame 92 is locked. It protrudes on the side opposite to the flange 54 of the portion 54, that is, at a position facing the flange 32. As shown in FIG. 17, the lock portion 53 of the glass frame unlocking holding member 5 holds the glass frame unlocked by the contact portion 54 coming into contact with the receiving portion 96 when the glass frame 92 is closed with respect to the middle frame 91. The member 5 is slightly rotated in the clockwise direction in FIG. 17. At that time, the locking portion 52 is detached from the locking recess 35, and the glass frame locking rod 3 is raised by the spring force of the coil spring 15, so that the flange portion 32. Is locked to the receiving portion 96 so that the receiving portion 96 is sandwiched between the flange portion 32 and the lock portion 53 so as to prevent the glass frame locking rod 3 from moving in the unlocking direction (downward). It has a structure.

  Further, as shown in FIGS. 5 and 7, the lock member 6 that locks the middle frame locking rod 2 and the glass frame locking rod 3 in the locked state is provided on the inner side of the middle frame locking rod 2 in the cam chamber 14 with the pivot 61. It is attached so as to be able to swing within a slight angle range. As shown in FIG. 5, the lock member 6 is provided with a lock locking portion 62 bent to the side of the middle frame locking rod 2 and the glass frame locking rod 3. The lock recess 25 provided in the lock rod 2 and the lock recess 36 (FIGS. 5 and 6) provided in the glass frame lock rod 3 are fitted, and the middle frame lock rod 2 and the glass frame lock rod 3 are moved in the unlocking direction. Is supposed to prevent. The lock member 6 is pivotally supported on the inner side of the middle frame locking rod 2, but a coil spring 17 is hung between the lock member 6 and the middle frame locking rod 2, and the lock member 6 is locked by the coil spring 17. The portion 62 is biased in the direction in which the portion 62 is locked.

  Furthermore, as shown in FIGS. 5 and 7, the lock member 6 is provided with two inclined portions 63 and 64, and when the cam member 8 rotates during unlocking, the first engagement of the cam member 8 is performed. The convex portion 8a contacts the inclined portion 63, or the second engaging convex portion 8b contacts the inclined portion 64, and the lock member 6 rotates about the pivot 61 to lock the lock engaging portion 62. Is supposed to be removed.

  As shown in FIGS. 5 and 7, the cam member 8 attached to the lock shaft 7a of the cylinder lock 7 is provided with a first engagement protrusion 8a and a second engagement protrusion 8b, as shown in FIG. 13a. When the key inserted into the cylinder lock 7 is turned clockwise (clockwise), the first engaging convex portion 8a is engaged with the engaging portion 23 (FIGS. 5 and 6) of the inner frame locking rod 2. This is lifted and the unlocking operation is performed. Immediately before this, as shown in FIG. 12, the first engaging convex portion 8a of the cam member 8 contacts the inclined portion 63 of the locking member 6, and the locking member 6 is rotated. The lock engaging portion 62 is removed from the lock recesses 25 and 36. Further, as shown in FIG. 13b, when the key inserted into the cylinder lock 7 is turned counterclockwise (counterclockwise), the second engaging convex portion 8b is engaged with the engaging portion 34 (FIG. 5, FIG. 5). FIG. 13 b) engages and lowers it to perform the unlocking operation. Immediately before this, as shown in FIG. 11, the second engaging convex portion 8 b of the cam member 8 is inclined to the inclined portion 64 of the lock member 6. , The lock member 6 is rotated, and the lock engaging portion 62 is removed from the lock recesses 25 and 36.

  In this way, both the middle frame locking rod 2 and the glass frame locking rod 3 are locked in a locked state by using a single locking member 6, and the number of parts in the locked state can be reduced. Both the frame locking bar 2 and the glass frame locking bar 3 can be locked. When the cylinder lock 7 is unlocked, the lock member 6 can be smoothly swung according to the rotation of the cam member 8 to release the lock, and the unlocking operation can be performed smoothly.

  As shown in FIG. 5, a coil spring 16 is stretched between the middle frame locking bar 2 and the glass frame unlocking holding member 5, and the middle frame locking bar 2 is attached to the lower locking side by the coil spring 16. The glass frame unlocking holding member 5 is biased to the side where the locking portion 52 is locked to the glass frame locking rod 3. In addition, a coil spring 15 is stretched between the glass frame locking rod 3 and the middle frame unlocking holding member 4, and the glass frame locking rod 3 is biased upward (locking side) by the coil spring 15, The unlocking holding member 4 is biased toward the side where the locking portion 42 is locked to the glass frame locking rod 3. Therefore, at the time of unlocking, the rotation of the cam member 8 causes the middle frame locking rod 2 to slide upward against the spring force of the coil spring 16, and similarly to the glass frame against the spring force of the coil spring 15. The locking rod 3 will slide downward.

  As shown in FIG. 8, the locking device configured in this way has the base frame 1 vertically on the right end on the free end side of the middle frame 91 in the pachinko machine, and the flanges 21 and 22 on the main body frame 90 side. It is mounted in the state of facing. On the other hand, receiving portions 93 and 94 are fixed to the vertical positions corresponding to the flange portions 21 and 22 inside the right side wall portion of the main body frame 90, and the flange portions 21 and 22 are locked to the receiving portions 93 and 94. The middle frame 91 is locked. As shown in FIG. 16, the receiving portion 93 is formed so that the abutting portion 44 of the middle frame unlocking holding member 4 can abut when the middle frame 91 is closed.

  On the other hand, a glass frame (front door equipped with a transparent plate covering the game board) 92 is attached to the front surface of the middle frame 91 so as to be opened and closed. On the inner side of the glass frame 92 on the right end free end side, receiving portions 95, 96, 97 to which the collar portions 31, 32, 33 of the glass frame locking rod 3 are locked are provided at corresponding positions. As shown in FIG. 17, the receiving portion 96 at the intermediate position is formed so that the abutting portion 54 of the glass frame unlocking holding member 5 can abut when the glass frame 92 is closed. Moreover, although the receiving parts 95, 96, and 97 of the glass frame 92 are formed separately in FIG. 8, they can be integrally formed in a vertically long receiving metal fitting.

  As described above, the locking device having the above configuration is used by being vertically fixed to the right end free end side of the middle frame 91 of the pachinko machine, but the middle frame locking rod 2 and the glass frame locking rod which are the main parts of the locking mechanism. 3 is attached to the left side surface (on the non-free end side) of the support plate 12 of the base frame body 1, and the support plate 12 serves as a wall against a gap that tends to occur on the free end side of the middle frame 91. The cam chamber 14 provided in the support plate 12 and the back plate 13 is covered with a cover 18 from the right side surface of the support plate 12. For this reason, in the locked state, from the gap on the right end free end side of the main body frame 90 and the middle frame 91 or the gap on the right end free end side of the middle frame 91 and the glass frame 92, etc. Even if an unauthorized device is inserted, the support plate 12, the cover 18 and the like of the base frame 1 become walls, and the unauthorized device does not reach the middle frame locking rod 2, the glass frame locking rod 3, the lock member 6, and the like. It is difficult and can prevent unauthorized unlocking.

  When the middle frame 91 is closed with respect to the main body frame 90 in a state in which the middle frame 91 of the pachinko machine is unlocked, the contact portion 44 of the middle frame unlocking holding member 4 is moved to the main body frame 90 side as shown in FIG. At this time, the middle frame unlocking holding member 4 slightly rotates clockwise in FIG. 16 against the urging force of the coil spring 15. Due to the rotation of the middle frame unlocking holding member 4, the locking portion 42 is disengaged from the locking recess 24 of the middle frame locking rod 2, whereby the middle frame locking rod 2 is lowered by the biasing force of the coil spring 16. The collar portions 21 and 22 of the middle frame locking rod 2 are lowered as shown in FIG. 16, and the collar portions 21 and 22 are locked to the receiving portions 93 and 94 to be locked. Note that when the middle frame 91 is unlocked, as shown in FIG. 13, the lock locking portion 62 of the lock member 6 is disengaged from the lock recess 36, so that the middle frame locking rod 2 is slidable.

  When the middle frame 91 is locked, as shown in FIG. 16, when the middle frame locking rod 2 is lowered by the spring force of the coil spring 16 and the collar portion 21 is locked to the receiving portion 93, the receiving portion 93 is locked so as to be sandwiched between the collar portion 21 and the lock portion 43. Even if the middle frame locking rod 2 and the base frame body 1 are illegally lifted in the unlocking direction (upward), The middle frame locking rod 2 and the base frame body 1 cannot move, and unauthorized unlocking can be prevented.

  On the other hand, when the glass frame 92 is closed with respect to the middle frame 91 in the state in which the glass frame 92 of the pachinko machine is opened, the contact portion 54 of the glass frame unlocking holding member 5 is moved to the middle frame 91 as shown in FIG. The glass frame unlocking holding member 5 is slightly rotated in the clockwise direction of FIG. 17. At this time, the locking portion 52 of the glass frame unlocking holding member 5 is disengaged from the locking recess 35 of the glass frame locking rod 3, and the glass frame locking rod 3 is raised by the biasing force of the coil spring 15. Thereby, the collar parts 31, 32, 33 of the glass frame locking bar 3 are locked to the receiving parts 95, 96, 97 on the glass frame 92 side, and the glass frame 92 is locked as shown in FIG.

  When the glass frame 92 is locked, as shown in FIG. 17, when the glass frame locking rod 3 is lifted by the spring force of the coil spring 15 and the hook portion 32 is locked to the receiving portion 96, the receiving portion Since 96 is locked so as to be sandwiched between the collar portion 32 and the lock portion 53, even if the glass frame locking rod 3 and the base frame body 1 are illegally lifted in the unlocking direction (upward), The glass frame locking rod 3 and the base frame 1 cannot move, and unauthorized unlocking can be prevented.

  Thus, in a state where the middle frame 91 and the glass frame 92 are locked, the glass frame unlocking holding member is locked so that the receiving portion 93 is sandwiched between the lock portion 43 and the collar portion 21 of the middle frame unlocking holding member 4. Since the receiving part 96 is locked between the lock part 53 and the collar part 32, the locked state can be maintained firmly.

  When unlocking the middle frame 91, the key inserted into the cylinder lock 7 is turned clockwise. At this time, when the cam member 8 rotates in the direction of the arrow (counterclockwise) in FIG. 12, the first engaging convex portion 8a of the cam member 8 first engages with the inclined portion 63 of the lock member 6, and FIG. As shown at 12, the lock member 6 is swung. As a result, as shown in FIGS. 12B and 13A, the lock engaging portion 62 of the lock member 6 comes off from the lock recess 25 of the middle frame locking rod 2, and the middle frame locking rod 2 by the locking member 6 is removed. The middle frame locking rod 2 can be lifted.

  Thereafter, when the first engaging convex portion 8a of the cam member 8 is further rotated in the same direction as described above, the first engaging convex portion 8a is engaged with the engaging portion 23 of the middle frame locking rod 2, The frame locking rod 2 is pushed up by the first engaging convex portion 8a. At this time, as shown in FIG. 9, the middle frame locking rod 2 slides upward against the urging force of the coil spring 16, and the collar portions 21, 22 are raised to receive the receiving portion on the main body frame 90 side. 93 and 94, the middle frame 91 is unlocked. When the intermediate frame 91 is unlocked, when the intermediate frame locking rod 2 is lifted to the unlocking position, the locking recess 24 provided in a part of the intermediate frame locking rod 2 is formed on the intermediate frame unlocking holding member 4. The position of the locking portion 42 is reached, and at this time, the middle frame unlocking holding member 4 rotates about the pivot 41 by the biasing force of the coil spring 15, and the locking portion 42 fits into the locking recess 24. The middle frame locking rod 2 is self-held at the unlocked position as shown in FIGS. 9 and 14C.

  On the other hand, when unlocking the glass frame 92, when the key is inserted into the cylinder lock 7 and turned to the left, the cam member 8 rotates in the direction of the arrow (clockwise) in FIG. First, the joint protrusion 8b engages with the inclined portion 64 of the lock member 6 to swing the lock member 6 as shown in FIG. As a result, as shown in FIG. 11B, the lock engaging portion 62 of the lock member 6 is released from the lock recesses 25 and 36, and the lock of the glass frame locking rod 3 by the lock member 6 is released, and the glass frame locking rod 3 can rise.

  Thereafter, when the second engaging convex portion 8b of the cam member 8 is further rotated in the same direction as described above, the second engaging convex portion 8b is engaged with the engaging portion 34 of the glass frame locking rod 3, and the glass The frame locking rod 3 is pushed down by the second engaging convex portion 8b. At this time, as shown in FIG. 10, the glass frame locking rod 3 slides downward against the urging force of the coil spring 15, and the collar portions 31, 32, 33 are lowered to move toward the glass frame 92 side. The glass frame 92 is unlocked away from the receiving portions 95, 96, and 97. When the glass frame locking bar 3 is lowered to the unlocking position when the glass frame 92 is unlocked, the locking recess 35 provided in a part of the glass frame locking bar 3 is attached to the glass frame unlocking holding member 5. The position of the locking portion 52 is reached. At this time, the glass frame unlocking holding member 5 is rotated about the pivot 51 by the urging force of the coil spring 16, and the locking portion 52 is fitted into the locking recess 35. The glass frame locking rod 3 is self-held at the unlocked position as shown in FIGS. 10 and 14B.

  In this way, in the locked state, the lock member 6 locks the lock engaging portion 62 to the lock recess 36 of the middle frame locking rod 2 and the glass frame locking rod 3 so that the middle frame locking rod 2 and the glass frame locking rod. 3 is locked, and it is impossible to illegally slide the inner frame locking rod 2 or the glass frame locking rod 3 to the unlocking side without using the cylinder lock 7, and the unauthorized unlocking will not be possible. Can be prevented.

  Further, when the collar portion 21 of the middle frame locking rod 2 is locked to the receiving portion 93, the middle frame unlocking holding member 4 has a locking portion 43 at a position sandwiching the receiving portion 93 with the collar portion 21. Therefore, even when the middle frame locking rod 2 or the base frame body 1 receives an improper force on the side where the collar portion 21 is removed from the receiving portion 93, the middle frame locking rod 2 or the base frame body 1 receives the receiving force. The portion 93 is sandwiched between the lock portion 43 and the collar portion 21 and cannot move to the unlocking side, and unauthorized unlocking of the middle frame 91 can be prevented.

  The glass frame unlocking holding member 5 has a lock portion 53 at a position where the receiving portion 96 is sandwiched between the hook portion 32 when the hook portion 32 of the glass frame locking rod 3 is locked to the receiving portion 96. Therefore, even when the glass frame locking rod 3 or the base frame body 1 improperly receives a force on the side of removing the collar portion 32 from the receiving portion 96, the glass frame locking rod 3 or the base frame body 1 is not the receiving portion. 96 cannot be moved by being sandwiched between the lock portion 53 and the collar portion 32, and unauthorized unlocking of the glass frame 92 can be prevented.

  Further, when unlocking by the cylinder lock 7, the cam member 8 rotates to swing the lock member 6, and the lock locking portion 62 is unlocked from the lock recesses 25 and 36. The rod 2 or the glass frame locking rod 3 is slidable and slides to the unlocked position, so that the collar portions 21 and 22 of the middle frame locking rod 2 are disengaged from the receiving portions 93 and 94, or the glass frame locking rod When the three collar portions 31, 32, 33 are detached from the receiving portions 95, 96, 97 and unlocked, and the middle frame locking rod 2 is moved to the unlocked end, the middle frame unlocking holding member When the locking portion 42 of the No. 4 is locked in the locking recess 24 of the middle frame locking rod 2 and the unlocked state is maintained, similarly, when the glass frame locking rod 3 is moved to the end on the unlocking side, The locking portion 52 of the frame unlocking holding member 5 is locked to the locking recess 35 of the glass frame locking rod 3 to hold the unlocked state.

  When the middle frame 91 is closed in such an unlocked state, the contact portion 44 of the middle frame unlocking holding member 4 comes into contact with the receiving portion 93 and the middle frame unlocking holding member 4 swings, The locking of the portion 42 is released to release the unlocked state, and the middle frame locking rod 2 is slid to the locking position by the spring force. Therefore, when the middle frame 91 is closed, it can be lightly locked with a small frictional resistance. . When the glass frame 92 is closed, the abutment portion 54 of the glass frame unlocking holding member 5 abuts on the receiving portion 96 and the glass frame unlocking holding member 5 swings, and the locking portion 52 is locked. The unlocked state is released and the glass frame locking rod 3 is slid to the locking position by the spring force. Therefore, when the glass frame 92 is closed, it can be lightly locked with a small frictional resistance.

DESCRIPTION OF SYMBOLS 1 Base frame 2 Middle frame locking rod 3 Glass frame locking rod 4 Medium frame unlocking holding member 5 Glass frame unlocking holding member 6 Lock member 7 Cylinder lock 7a Locking shaft 8 Cam member 11 Mounting plate 12 Support plate 14 Cam chamber 18 Cover 21 flange 23 engaging portion 24 locking recess 25 locking recess 31 locking recess 31 flange 32 flange 34 engaging portion 35 locking recess 36 locking recess 41 pivot 42 locking portion 43 locking portion 44 abutting portion 51 pivot 52 locking Part 53 lock part 54 abutting part 61 pivot 62 lock locking part 63 inclined part 64 inclined part

Claims (2)

A mounting plate in which a middle frame locking rod and a glass frame locking rod are slidably arranged vertically along the support plate of the vertically long base frame body, and provided at a substantially right angle to the support plate on the front surface of the base frame body A cylinder lock is attached, a cam member is fixed to the lock shaft of the cylinder lock, the inner frame locking rod and the glass frame locking rod are engageable with the cam member, and the base frame is attached to the pachinko machine. A collar portion attached to the middle frame and protruding from the back side of the middle frame locking rod is locked to a receiving portion on the main body frame side to lock the middle frame, and projects to the front side of the glass frame locking rod. In the locking device of the pachinko machine in which the installed collar is locked to the receiving part on the glass frame side and locks the glass frame,
When the middle frame locking rod is slid to the unlocked position by the unlocking operation of the cylinder lock, the middle frame holds the unlocked state by locking the locking portion with the locking recess of the middle frame locking rod. An unlocking holding member is pivotally supported by the base frame so as to be swingable.
The middle frame unlocking holding member is provided with a contact portion capable of coming into contact with a receiving portion on the main body frame side to which the collar portion of the middle frame locking rod is locked, and the collar portion is the receiving portion. A locking part is provided at a position sandwiching the receiving part between the hook part and the hook part,
When the middle frame is closed with respect to the main body frame, the corresponding contact portion comes into contact with the receiving portion, the middle frame unlocking holding member swings, and the latching portion is unlocked and unlocked. And is configured to be in a locked state by sliding the inner frame locking rod with a spring force,
When the glass frame locking rod is slid to the unlocking position by the unlocking operation of the cylinder lock, the locking portion is locked to the locking recess of the glass frame locking rod and the unlocked state is maintained. The frame unlocking holding member is pivotally supported by the base frame so as to be swingable.
The glass frame unlocking holding member is provided with an abutting portion capable of abutting on a receiving portion on the main body frame side to which the collar portion of the glass frame locking collar is locked, and the collar portion is the receiving portion. A locking part is provided at a position sandwiching the receiving part between the hook part and the hook part,
When the glass frame is closed with respect to the middle frame, the corresponding contact portion comes into contact with the receiving portion, the glass frame unlocking holding member swings, and the locking portion is unlocked and unlocked. Is configured to slide the glass frame locking rod by a spring force to a locked state,
A lock member having a lock engagement portion is pivotally supported by the middle frame lock rod or the glass frame lock rod in the vicinity of the cam member so that the lock engagement portion can engage with the lock recess portion. Provided in the middle frame locking bowl and the glass frame locking bowl,
The lock member is configured such that when the middle frame locking rod and the glass frame locking rod are in a locked state, the lock locking portion is locked to the lock recess to slide the middle frame locking rod and the glass frame locking rod. A locking device for a pachinko machine, wherein the lock member is rocked by the rotation of the cam member to release the lock during unlocking operation with the cylinder lock.   An opening is formed in the support plate and the back plate in the vicinity of the wide portion of the mounting plate to which the cylinder lock is attached, a cam chamber is formed inside the opening, and the cam member of the lock shaft of the cylinder lock is 2. A cam chamber, wherein the inner frame locking rod, the glass frame locking rod and the locking member are engageable with each other, and a cover is attached so as to cover the rear surface from the side surface of the cam chamber. The locking device of the pachinko machine described.

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