JP6105369B2 - Cylinder lock - Google Patents

Description

  The present invention relates to a cylinder lock provided in a game machine such as a revolving game machine using a pachinko, an arrangement ball, a sparrow ball, a medal or a pachinko ball as a game medium, and more specifically, for example, opening and closing at the front of the game machine The present invention relates to a structure of a cylinder lock used to lock a transparent plate holding frame provided as possible.

In general, a pachinko gaming machine installed in a game hall has a main body frame (also referred to as a game board holding frame or a gaming machine main body) that is pivotally supported on one side edge of a rectangular frame-like machine frame so that the main body frame can be opened and closed. A game board having a game area in which a game ball can roll is fixed, and a transparent plate holding frame (also called a glass frame or front door) is pivotally supported on one side edge of the main body frame so as to be freely opened and closed. A transparent plate holding frame is formed by inserting a specific key into a cylinder lock provided so that the key hole is exposed to the front surface at the other side edge (free side edge) of the main body frame, and rotating the key in one direction. Is unlocked so that the transparent plate holding frame can be opened forward, and if the key is rotated in the opposite direction, the main body frame (also referred to as a front frame or a gaming machine main body) is unlocked and the main body frame is It is configured to be able to open forward.
In addition, the transparent plate holding frame is unlocked when the key inserted into the keyhole is rotated by a certain angle (for example, 50 degrees) in one direction, and the game board or the game board is held by rotating in the same direction (for example, further 40 degrees). There is also known a locking device for a pachinko gaming machine in which the frame is unlocked and the game board is pushed forward so that it can be easily replaced.

  Patent Document 1 below shows a locking device provided in the pachinko gaming machine as described above, and as shown in FIG. 14 of Cited Document 1, when a key inserted into a cylinder lock is turned clockwise, a cam and The operating rod engages, the operating rod slides upward, and the upper and lower engaging portions of the operating rod respectively tilt the flange member to disengage the machine frame from the main body frame. On the other hand, as shown in FIG. 15 of the cited document 1, when the key is turned counterclockwise, the operating rod slides downward due to the engagement between the cam and the operating rod, and the body frame and the transparent plate holding frame The engagement is disengaged.

  As described above, conventionally, the locking device of the pachinko gaming machine can unlock only the transparent plate holding frame, unlock the main body frame, or play according to the rotation direction and rotation angle of the key inserted into the cylinder lock. The panel holding frame can be unlocked.

JP 2006-81894 A

By the way, it is a frequent occurrence that the game balls are clogged on the game board surface during the game, and it is necessary for the store clerk of the game hall to open the transparent plate holding frame to eliminate the state. If the key is configured so that it can be unlocked with either the main frame or the transparent plate holding frame, an inexperienced store clerk may rotate the key in the wrong direction. As the main frame (game board holding frame) is unlocked, there is a problem that it cannot be dealt with quickly. In particular, if a store clerk spends time on redoing a big hit game machine and redoing the game, the player's profit may be lost, so depending on how the store clerk responds, There was a risk of trouble.
Moreover, if not only the transparent plate holding frame but also the main body frame (game board holding frame) can be unlocked with a single key, it is possible to always touch even important parts such as the control board provided on the main body frame. Therefore, there was a risk that fraudulent acts were carried out by some malicious clerk.

The present invention provides a cylinder lock that can solve the above-described problems. The cylinder lock includes a lock body, a sub key, and a main key. The lock body is a cylinder so that a front inner cylinder and a rear inner cylinder are rotatable. A cord pin that is housed in series in the case and engages with the front inner cylinder and the rear inner cylinder and locks the front inner cylinder and the rear inner cylinder in a non-rotatable manner is provided. An operating shaft that penetrates through the side inner cylinder and protrudes rearward of the cylinder case is integrally provided, and the front inner cylinder and the rear inner cylinder are engaged with each other, and the front inner cylinder and the inner inner cylinder are connected to each other. The engagement portion is provided with a gap that allows the front inner cylinder to rotate at a predetermined angle alone, and the sub key moves the cord pin engaged with the front inner cylinder to move the front inner cylinder independently at a predetermined angle. Only limited rotation, main key inside the front side Characterized in that so as to rotate the inner front cylinder and the rear-side inner cylinder simultaneously by moving the code pin engaged with the code pin and the rear side inner cylinder engages with.
Further, in the above cylinder lock, the transparent plate holding frame of the gaming machine is unlocked and inserted into the key hole by allowing rotation of the operating shaft by a predetermined angle by the sub key inserted into the key hole. The operation key is further allowed to rotate by the main key, and the engagement of the game board is released.
Further, in the above cylinder lock, the transparent plate holding frame of the gaming machine is unlocked and inserted into the key hole by allowing rotation of the operating shaft by a predetermined angle by the sub key inserted into the key hole. The operation shaft is further allowed to rotate by the main key, and the engagement of the main body frame is released.

  According to the cylinder lock according to the present invention, the sub key and the main key can be used properly according to the purpose, so that misuse is prevented and convenience is increased, and fraud is prevented and security is improved.

The longitudinal section of the lock body of the cylinder lock concerning the present invention. The front view of the lock body of the cylinder lock concerning the present invention. AA sectional view taken on the line AA of FIG. FIG. 3 is a sectional view taken along line BB in FIG. 1. The CC sectional view taken on the line of FIG. The longitudinal cross-sectional view when a subkey is inserted in the lock body of the cylinder lock concerning the present invention. The BB sectional drawing of FIG. 6 when a subkey is inserted and rotated in the lock main body of the cylinder lock which concerns on this invention. The longitudinal cross-sectional view when a main key is inserted in the lock main body of the cylinder lock which concerns on this invention. The BB sectional drawing of FIG. 8 when inserting a main key in the lock body of the cylinder lock which concerns on this invention, and rotating. The CC sectional view taken on the line of FIG. 8 when the main key is inserted into the lock body of the cylinder lock according to the present invention and rotated. The perspective view of the state which opened the main body frame of the game machine which concerns on this invention. The perspective view of the state which opened the transparent board holding frame and game board of the game machine which concern on this invention. The perspective view of the state which opened only the transparent plate holding frame of the game machine which concerns on this invention. The perspective view when the transparent board holding frame and game board of the game machine which concern on this invention are removed. The disassembled perspective view of the locking device of the gaming machine according to the present invention. The perspective view which shows the locking device of the game machine which concerns on this invention, and the engagement piece of a game board. The enlarged view of the lower half part of FIG. The perspective view which shows the locking device of the game machine which concerns on this invention, and the engagement / disengagement mechanism of a transparent plate holding frame. The enlarged view of the lower half part of FIG. The enlarged left side view of the lower half part when the locking device of the gaming machine according to the present invention is disengaged. The back view of the locking device of FIG. The enlarged left side view of the lower half part when the locking device of the gaming machine according to the present invention is disengaged. The reverse view of the locking device of FIG. The expansion left side view of the lower half part when the game board extrusion mechanism of the locking device of the gaming machine concerning the present invention operates. The reverse view of the locking device of FIG. The expansion left side view of the lower half part when the locking device of the gaming machine concerning the present invention carries out engagement release operation of a main part frame and a machine frame. The reverse view of the locking device of FIG.

  Next, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a longitudinal sectional view of a lock body of a cylinder lock. The lock body 1 is housed so that a front inner cylinder 3 having a key hole 1a on the inside front side of a cylinder case 2 can be rotated. The inner cylinder 4 is housed in the rear side of the front inner cylinder 3 so as to be rotatable, and the cylinder case is arranged so that the front inner cylinder 3 and the rear inner cylinder 4 have the same rotation center. 2 are arranged in series. Reference numerals 5a to 5f are cord pins provided on the inner wall of the cylinder case 2 and engaged with the front inner cylinder 3. The cord pins 5a to 5f are provided so as to penetrate the cylinder wall of the front inner cylinder 3. The key pins 6 a to 6 f having different lengths are urged inward by the elasticity of the coil spring 7. Therefore, as shown in FIG. 3, the cord pins 5 a to 5 f cross the shear line 11 (the boundary between the inner peripheral surface of the cylinder case 2 and the outer peripheral surface of the front inner cylinder 3) when no key is inserted. The front inner cylinder 3 is locked so as not to rotate. Reference numerals 8a and 8b denote cord pins that engage with the inner cylinder 4 on the back side, and the key pins 9a and 9b having different lengths are also urged inward by the elasticity of the coil spring 10 as shown in FIG. As described above, the cord pins 8a and 8b are positioned so as to intersect the shear line 12 (the boundary between the inner peripheral surface of the cylinder case 2 and the outer peripheral surface of the inner tube 4) without inserting the key. The back side inner cylinder 4 is locked so as not to rotate.

  An operating shaft 3a that penetrates the center of the back inner tube 4 and protrudes rearward from the cylinder case 2 is integrally provided at the rear end of the front inner tube 3, and a pair of hooks are forked at the tip of the operating shaft 3a. The cam piece 15 formed in a shape is fixed. A groove 3b is formed on the surface of the operating shaft 3a facing the key pins 9a, 9b, and a main key described later is guided along the groove. Further, an engagement piece 3 c is provided to project rearward near the outer peripheral edge of the rear end surface of the front inner cylinder 3, and the engagement piece 3 c is formed on the front end surface of the rear inner cylinder 4. Protrusively located inside. The gap 4a is formed by cutting out the front end surface of the back inner cylinder 4 by about 50 degrees as shown in FIG. 4, and the engagement piece 3c is located in the gap 4a. The cylinder 3 is allowed to rotate independently by a predetermined angle α as indicated by a broken line. On the other hand, the rotation of the front inner cylinder 3 exceeding the predetermined angle α is prevented by the engagement piece 3c hitting the inner wall of the gap 4a. Thus, the front inner cylinder 3 and the rear inner cylinder 4 are engaged with each other, and a gap 4a that allows the front inner cylinder 3 to rotate by a predetermined angle α is formed in the engaging portion. Yes.

  FIG. 6 shows a state in which the sub key 16 is inserted into the key hole 1a. The sub key 16 is formed in a short length so as to reach only the front inner cylinder 3 and not to the inner inner cylinder 4. Because the key pins 6a to 6f are pushed up by a specific shape formed on the outer edge of the key pin, and the key pin side ends of the respective code pins 5a to 5f move to the share line 11, the front inner cylinder 3 is limited to a predetermined angle α by itself. Will be able to rotate. For this reason, depending on the sub key 16, as shown in FIG. 7, the operating shaft 3a can be limitedly rotated left and right by a predetermined angle α.

  On the other hand, FIG. 8 shows a state in which a main key 17 that is long so that the long portion 17 a can reach the inner cylinder 4 is inserted. The key pin side ends of 5a to 5f are moved to the share line 11, and at the same time, the long portion 17a pushes up the key pins 9a and 9b and moves the key pin side ends of the code pins 8a and 8b to the share line 12. Therefore, depending on the main key 17, the front side inner cylinder 3 and the rear side inner cylinder 4 can be rotated simultaneously, and the operating shaft 3a can be rotated beyond a predetermined angle α as shown in FIGS. In the state where the main key 17 is inserted, the operation shaft 3a can be rotated rightward.

  Next, an example of a pachinko gaming machine provided with a cylinder lock according to the present invention will be described with reference to FIG. In FIG. 11, 20 is a vertical rectangular machine frame also called an outer frame, and 21 a and 21 b are a pair of engaging members fixed on the inner surface of one side edge of the machine frame 20 with a vertical interval. is there. 22 is a main body frame (game board) in which a ball receiving tray 23, an operation panel 24, a launching handle 25, etc. are provided at the lower front side, and a prize ball dispensing device, a prize ball tank, a game control circuit board box, etc. are provided on the back side. The main body frame 22 is pivotally supported by a pivot mechanism provided on the other side edge 26 of the machine frame 20 so that it can be opened and closed forward as indicated by an arrow. . Further, a shaft support mechanism 27 is provided on the main body frame 22, and as shown in FIG. 12, the transparent plate holding frame 28 and the game board 29 are supported by the shaft support mechanism 27 so as to be opened and closed forward. As shown in FIG. 14, the transparent board holding frame 28 and the game board 29 are pivotally supported by the pivot mechanism 30 so that the game board 29 can be opened and closed on the inner surface side of the transparent board holding frame 28. As shown in FIG. 13, the transparent plate holding frame 28 can be opened forward. Reference numerals 29 a and 29 b denote engaging portions having a bowl-like horizontal cross section fixed to the free end edge of the game board 2. A frame-shaped recess 32 is formed on the front surface of the main body frame 22 so that the game board 29 can be matched. Reference numeral 31 denotes a lock hole portion which is opened near the free side edge of the main body frame 22 so that the lock body 1 is accommodated and the key hole 1a is exposed on the front surface.

  A transparent plate 35 made of double plate glass is detachably supported on the transparent plate holding frame 28 by operating the engaging claw 36. Engaging portions 37 a and 37 b are formed upright at the vertical position of the substrate 37 fixed to the free side edge of the transparent plate holding frame 28. The game board 29 is formed with a game area 39 in which a game ball surrounded by the ball guide rail 38 can freely roll by planting a number of obstacle nails on the front surface, and a liquid crystal pattern is formed in the game area. A display device, a winning device, etc. are provided.

  Next, the structure of the locking device 40 fixed to the main body frame 22 will be described with reference to the exploded perspective view of FIG. In the locking device 40, a substrate 41 having a substantially U-shaped horizontal section that is long in the vertical direction is fixed to the free side edge of the main body frame 22, and long holes 43a to 43d are formed in four positions of a plate-like operating rod 42 that is long in the vertical direction. The rivets 44a to 44d are loosely fitted in the long holes and the rivets are fixedly planted on the substrate 41, so that the operating rod 42 can be slid up and down. The lock body 1 is screwed to a mounting portion 45 that stands up near the lower end of the substrate 41, and the cam piece 15 is fixed to the tip of the operating shaft 3a protruding from the rear end of the lock body 1. The cam piece 15 is assembled so that an upright piece 46 formed near the lower end of the operating rod 42 can be engaged.

  Also shown in FIG. 16 and subsequent figures, 48a and 48b are upward hook-like engagement pieces that engage and disengage with the engagement members 21a and 21b, and the engagement pieces 48a and 48b are elongated holes 49a and 49a formed in the substrate 41, respectively. 49b is inserted into 49b so that the tip protrudes backward, and the rivets 44b and 44d are loosely fitted into the small slots 50a and 50b formed in the bases of the engagement pieces 48a and 48b. 50a and 50b are supported so as to be vertically slidable, and coiled springs 51a and 51b are stretched over the engaging pieces 48a and 48b to attach the engaging pieces 48a and 48b upward. It is fast. When the overhang portions 52a and 52b formed on the operating rod 42 face the upright portions 53a and 53b formed on the base portions of the engaging pieces 48a and 48b, the operating rod 42 slides downward. The projecting portions 52a and 52b hit the standing portions 53a and 53b, and the engaging pieces 48a and 48b are lowered.

  55a and 55b are downward hooked engagement pieces that engage and disengage with the engagement portions 37a and 37b. The engagement pieces 55a and 55b protrude forward from the notches 56a and 56b formed in the substrate 41. The rivets 44a and 44c can be slid up and down within the formation range of the small long holes 57a and 57b by loosely fitting into the small long holes 57a and 57b formed in the bases of the engagement pieces 55a and 55b. The coiled springs 51a and 58b are stretched around the engaging pieces 55a and 55b to urge the engaging pieces 55a and 55b downward. When the projecting portions 59a and 59b formed on the operating rod 42 face the upright portions 60a and 60b formed on the base portions of the engaging pieces 55a and 55b, the operating rod 42 slides upward. The projecting portion hits the upright portions 60a and 60b and raises the engaging pieces 55a and 55b.

  Reference numerals 65a and 65b denote upward hook-like engagement pieces provided to be engaged with and disengaged from the engagement portions 29a and 29b. The engagement pieces 65a and 65b are notches 66a and 66b formed on the substrate 41. The rivets 67a and 67b are inserted into the through holes 68a and 68b so as to project forward from the pierced holes 68a and 68b, and the engagement pieces 65a and 65b are provided by extending the coiled springs 69a and 69b. Is energized upward. When the overhang portions 70a and 70b formed on the operating rod 42 face the upright portions 71a and 71b formed on the base portions of the engagement pieces 65a and 65b, the operating rod 42 slides upward. The overhanging portion hits the standing portions 71a and 71b and rotates the engagement pieces 65a and 65b downward.

  75a and 75b are game board push-out mechanisms provided in the rear extension parts 76a and 76b of the board 41. Each game board push-out mechanism is bent so that the pressing parts 77a and 77b are opposed to the back surface of the game board 29 on the push-out bracket. The through holes 79a and 79b and arcuate holes 80a and 80b having the center of curvature are formed in the base portions 78a and 78b of the extruded metal fittings, and the rivets 81a and 81b are inserted into the through holes 79a and 79b. By inserting the rivets 82a and 82b into the arc-shaped holes 80a and 80b, the extruded metal fittings are rotatably supported by the rear extension portions 76a and 76b within the formation range of the arc-shaped holes 80a and 80b. In the normal state, the pressing portions 77a and 77b are urged so as to move backward by stretching the springs 83a and 83b in the shape of the pressing metal fittings. And the overhang | projection parts 84a and 84b formed in the said operating rod 42 oppose the protrusions 88a and 88b formed in the base parts 78a and 78b. For this reason, when the operating rod 42 slides upward, the overhanging portion hits the projections 88a and 88b, and the pressing fitting is rotated against the tension of the springs 83a and 83b to cause the pressing portions 77a and 77b to protrude forward. . The pressing portions 77a and 77b are opposed to the upper and lower portions of the back surface of the game board 29.

  FIGS. 16 to 19 are perspective views of the locking device 40 in an assembled state. FIGS. 16 and 17 show the engagement portions 29a and 29b fixed to the game board 29 in FIGS. The engagement positional relationship between the engagement portions 29a and 29b and the engagement pieces 65a and 65b is displayed. FIG. 18 and FIG. 19 are drawings in which the substrate 37 is additionally written, and the engagement positional relationship between the engagement portions 37a and 37b and the engagement pieces 55a and 55b is displayed.

In the pachinko gaming machine configured as described above, the engagement pieces 48a and 48b are engaged with the engagement members 21a and 21b in a state in which the main body frame 22 is accommodated in the machine frame 20, as shown in FIG. The engagement state is maintained by the elasticity of the springs 51a and 51b.
Further, as shown in FIG. 13, by engaging the engagement pieces 65 a and 65 b with the engagement portions 29 a and 29 b provided on the game board 29, the game board 29 is attached to the frame-shaped portion of the main body frame 22. The engagement state between the engagement portions 29a and 29b and the engagement pieces 65a and 65b is maintained by the elasticity of the springs 69a and 69b. In this engaged state, the pressing portions 77a and 77b of the game board push-out mechanisms 75a and 75b are opposed to the back surface of the game board 29.

When the transparent plate holding frame 28 is closed, the engaging pieces 55a and 55b are engaged with the engaging portions 37a and 37b, and the engaged state is held by the elasticity of the springs 51a and 58b.
Further, the hook-like engagement pieces 65a and 65b are engaged with the engagement portions 29a and 29b from below, and the engagement pieces 55a and 55b are engaged with the engagement portions 37a and 37b. The frame 22, the game board 29, and the transparent plate holding frame 28 are firmly connected, and a robust lock state is realized.

  If the subkey 16 is inserted into the lock body 1 of the pachinko gaming machine thus locked, the subkey 16 is rotated leftward, and the operating shaft 3a is rotated leftward by a predetermined angle α, FIG. As shown, the cam piece 15 is engaged with the upright piece 46 to move the operating rod 42 upward. For this reason, the overhang portions 59a and 59b push up the engagement pieces 55a and 55b via the upright portions 60a and 60b, and the engagement between the engagement portions 37a and 37b and the engagement pieces 55a and 55b is released. Therefore, when a game ball is jammed on the surface of the game board 29 during the game, the store clerk can open the transparent plate holding frame 28 as shown in FIG. 13 by this unlocking operation, and cope with the ball jam. be able to.

  On the other hand, when the main key 17 is inserted into the lock body 1 and the main key 17 is rotated to the left, the operating shaft 3a can be rotated to the left beyond a predetermined angle α, as shown in FIG. The operating rod 42 can be further moved up. For this reason, the projecting portions 70a and 70b abut against the standing portions 71a and 71b, and the engaging pieces 65a and 65b are moved downward to engage with the engaging portions 29a and 29b, that is, with the game board 29. The match is released. When the main key 17 is further rotated leftward and the operating rod 42 is further moved upward as shown in FIG. 24, the game board push-out mechanism is activated and the game board 29 is pushed forward. That is, as the operating rod 42 is further moved upward, the overhanging portions 84a and 84b rotate the pressing fittings 75a and 75b so that the pressing portions 77a and 77b protrude forward, and the upper and lower portions of the back surface of the game board 29 are moved forward. The game board 29 is separated from the main body frame 22 by pressing. Therefore, when the main key 17 is used, the game board 29 and the transparent plate holding frame 28 are detached from the main body frame 22 as shown in FIGS. 12 and 14, and replacement and maintenance of the game board 29 are facilitated.

  In addition, when the main key 17 is inserted into the lock body 1 and the main key 17 is rotated to the right, the operating shaft 3a can be rotated to the right beyond the predetermined angle α. As shown in FIG. 11, the operating rod 42 is moved downward, the engagement pieces 48a, 48b are moved downward, the engagement with the engagement members 21a, 21b is released, and the main body frame 22 is rotated forward. As shown, the main body frame 22 accommodated in the machine frame 20 can be opened forward, and the control board, the premium ball dispensing device, the premium ball tank, etc. provided in the main frame 22 are important. Parts inspection and maintenance become possible.

  As described above, in the pachinko gaming machine provided with the cylinder lock according to the present invention, the sub key 16 and the main key 17 are properly used for a general store clerk and a store manager, for example, in a game hall, depending on the application, If the store clerk carries the sub key 16 to serve the player's service, it is possible to prevent erroneous usage and to quickly deal with ball clogging or the like that occurs on the surface of the game board. Since it cannot be detached or the main body frame 22 cannot be opened forward, it is possible to prevent cheating by a store clerk.

  In this embodiment, the game board 29 and the main body frame 22 are released by using the main key 17. However, either the game board 29 or the main body frame 22 may be released. Good.

DESCRIPTION OF SYMBOLS 1 Lock body 1a Key hole 2 Cylinder case 3 Front side inner cylinder 3a Actuation shaft 3b Groove 3c Engagement piece 4 Back side inner cylinder 4a Space | gap 5a-5f Code pin 6a-6f Key pin 7 Coil spring 8a, 8b Code pin 9a, 9b Key pin 10 Coil springs 11 and 12 Share line 15 Cam piece 16 Sub key 17 Main key 17a Long part 20 Machine frame 22 Main body frame 28 Transparent plate holding frame 29 Game board 40 Locking device 42 Actuator

Claims (3)

  The lock body consists of a lock body, subkey, and main key. The lock body is housed in series in the cylinder case so that the front inner cylinder and the rear inner cylinder can rotate, and engages with the front inner cylinder and the rear inner cylinder. Each of the front inner cylinder and the rear inner cylinder is provided with a cord pin that locks the inner cylinder in a non-rotatable manner, and the front inner cylinder is integrally provided with an operating shaft that passes through the inner cylinder and projects to the rear of the cylinder case. The front inner cylinder and the rear inner cylinder are engaged with each other, and a gap that allows the front inner cylinder to rotate by a predetermined angle alone is provided at the engaging portion between the front inner cylinder and the inner inner cylinder. Provided, and the sub key rotates the front inner cylinder limitedly by a predetermined angle by moving the cord pin engaged with the front inner cylinder, and the main key is a cord engaged with the front inner cylinder. Cord engaged with pin and inner tube Cylinder lock being characterized in that so as to rotate the inner front cylinder and the rear-side inner cylinder simultaneously by moving the down.   The transparent plate holding frame of the gaming machine is unlocked by allowing rotation of the operating shaft at a predetermined angle by the sub key inserted into the key hole, and the operating shaft is further rotated by the main key inserted into the key hole. 2. The cylinder lock according to claim 1, wherein the cylinder lock is allowed to be disengaged from the game board.   The transparent plate holding frame of the gaming machine is unlocked by allowing rotation of the operating shaft at a predetermined angle by the sub key inserted into the key hole, and the operating shaft is further rotated by the main key inserted into the key hole. The cylinder lock according to claim 1, wherein the cylinder lock is allowed to be disengaged from the main body frame.

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