JP2014213013A - Game ball lifting device and backflow prevention implement - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a game ball lifting device capable of effectively preventing a backflow of a game ball.SOLUTION: A backflow prevention implement 4 comprises: gear bodies 30 each comprising a gear part 31 in which tooth parts are disposed inside a rail part and a ratchet gear part 33, supported by a gear shaft part 21, and rotating by contact of a lifted game ball with the tooth part 32; and locking members 40 each having a front part 44 brought into contact with pawl tooth parts 34 of the ratchet gear part 33, a rear part 45 in which the gravity center is placed, and a supported hole 48 supported by a locking shaft part 22 on the front part 44 side of a position of the gravity center, and locked in tooth groove parts each formed between the pawl tooth parts 34 of the ratchet gear part 33 to prevent a backflow of the gear body 30. By attaching the backflow prevention implement 4 to a game ball lifting device and bringing the pawl tooth parts 34 into contact with the front part 44 when the gear body 30 reversely rotates, the locking members 40 are inclined to the rear part 45 side around the locking shaft part 22, and the tooth groove parts 34 are locked to the front parts 44.

Description

  The present invention relates to a game ball lifting device and a backflow prevention device used when a game ball is lifted.

  The game ball lifting device is for lifting a game ball in order to supply the game ball out of the game machine to the game machine again. This game ball lifting device is attached to a gaming machine island formed by a plurality of gaming machines arranged in parallel.

  As a general game ball lifting device, there is a game ball lifting device described in Patent Document 1 below. This game ball lifting device is attached to the lower part of the gaming machine island, the main wheel that supports the pachinko ball between the teeth and sent to the lifting pipe, the pachinko ball is aligned and lifted to the upper part of the gaming machine island A stopper provided inside the upper pipe and the lifting pipe is provided. Pachinko balls out from each gaming machine are collected in the game ball lifting device and conveyed to the lifting pipe by the rotating main wheel. When the rotating main wheel stops, the pachinko ball that is no longer subjected to the force sent by the main wheel tries to fall in the lifting pipe, but is blocked by the stopper. The stopper is projected into the lifting pipe by an elastic force such as a torsion spring and closes the pachinko ball passage.

JP 2001-190816 A

  However, since the above-described game ball lifting device is configured such that the stopper protrudes into the lifting pipe by an elastic force such as a torsion spring, the elastic force of the torsion spring is generated by the repulsive force when the momentum of the pachinko ball is large. May be suppressed, and the stopper may not protrude into the lifting pipe. The same phenomenon occurs when the torsion spring or the like deteriorates and the elastic force decreases. Therefore, the pachinko ball may fall in the lifting pipe without the passage of the lifting pipe being blocked by the stopper.

  The present invention has been proposed in view of the above circumstances. That is, an object of the present invention is to provide a game ball lifting device that can effectively prevent the back flow of the game ball.

  In order to achieve the above object, a game ball lifting device according to the present invention prevents a game ball being fed along the rail portion from flowing backward in a lift portion in which a plurality of parallel rail portions are formed. In the game ball lifting device provided with a backflow prevention device for the above, the backflow prevention device has a gear shaft portion provided in a direction in which the rail portions are arranged in parallel, and a tooth portion is disposed in the rail portion. It is composed of a gear portion and a ratchet gear portion formed on the side surface in the axial direction of the gear portion, and is supported by the gear shaft portion and rotated when the game ball to be transported is brought into contact with the tooth portion. And a locking member that is locked to a tooth groove portion formed between the claw teeth portions of the ratchet gear portion to prevent the gear body from rotating in the reverse direction.

  In the game ball lifting device according to the present invention, the locking shaft portion on which the locking member is supported is provided in the backflow prevention device, and the locking shaft portion is arranged in parallel with the gear shaft portion. The locking member is disposed at a position farther from the lift part than the gear shaft part, the locking member is in contact with the claw tooth part, the rear part where the center of gravity of the locking member is placed, and the center of gravity And having a supported part supported by the locking shaft part on the front part side relative to the position of the claw tooth part when the gear main body is rotated by the game ball being lifted. The locking member tilts to the front part side about the locking shaft part, and the claw tooth part passes the front part so that the locking member moves the locking shaft part. The locking member is moved forward by tilting toward the rear part side of the shaft while the claw tooth part contacts the front part. The locking shaft portion with tilted the axially rear side, the front portion is engaged with the tooth spaces, the gear main body is prevented from reversing, and characterized in that.

  In the game ball lifting device according to the present invention, the tilting range of the locking member tilted to the rear part side is regulated by contacting the rear part of the locking member tilted to the rear part side. A restriction shaft portion is provided in the backflow prevention device, and the restriction shaft portion is disposed in parallel to the gear shaft portion and disposed at a position farther from the lift portion than the locking shaft portion. It is a feature.

  In the game ball lifting device according to the present invention, the diameter of the ratchet gear portion is formed smaller than the diameter of the gear portion, and the number of the claw tooth portions is larger than the number of the tooth portions of the gear portion. It is characterized by being formed.

  In the game ball lifting device according to the present invention, a plurality of the gear bodies and the plurality of locking members are provided in parallel in the backflow prevention device, and the gear bodies and the locking members are provided for each rail portion. It is arranged in that.

  The backflow prevention device according to the present invention is used in the above-described game ball lifting device.

  The game ball lifting device according to the present invention has the above-described configuration. With this configuration, when the game ball is lifted, the tooth portion arranged in the rail portion is brought into contact with the game ball, the gear body rotates, and the game ball passes through the backflow prevention device. On the other hand, when the game ball tries to flow backward, the locking member is locked in the tooth groove portion of the ratchet gear portion to prevent the gear body from reversing, and the path of the game ball in the rail portion is the tooth of the gear portion. The game ball is closed in the rail portion. Therefore, it is possible to effectively prevent the backflow of the game ball.

  In the game ball lifting device according to the present invention, the locking shaft portion on which the locking member is supported is provided in the backflow prevention device, and the locking shaft portion is arranged in parallel with the gear shaft portion and the gear shaft portion. The locking member is arranged at a position farther from the lift part than the front part, the rear part where the center of gravity of the locking member is placed, and the front part side of the center of gravity. A supported portion is supported by the stop shaft portion.

  With this configuration, when the gear body is rotated by the game ball being lifted, the pawl tooth portion of the ratchet gear portion contacts the front portion, so that the locking member tilts forward with respect to the locking shaft portion. The pawl tooth portion of the ratchet gear portion passes through the tilted front portion. When the claw tooth portion of the ratchet gear portion is separated from the tilted front portion, the locking member tilts toward the rear portion side with the locking shaft portion as an axis and returns to the original position. On the other hand, when the gear body tries to reverse, the claw tooth portion of the ratchet gear portion contacts the front portion, so that the locking member tilts to the rear portion side about the locking shaft portion, and the front portion is the tooth groove portion. It is locked to.

  Therefore, the gear main body rotates when the game ball is lifted, and the gear main body is prevented from reversing when the game ball is about to flow backward, thereby effectively preventing the game ball from flowing backward.

  In the game ball lifting device according to the present invention, the regulating shaft portion in which the tilting range of the locking member tilted to the rear portion side is controlled to flow backward due to the contact of the rear portion of the locking member tilted to the rear portion side. The prevention shaft is provided, and the restriction shaft portion is disposed in parallel with the gear shaft portion and at a position farther from the lift portion than the locking shaft portion. With this configuration, when the gear main body tries to reversely rotate, the locking member tilted toward the rear portion side has the rear portion in contact with the restriction shaft portion, and the tilt range is restricted. Accordingly, it is possible to prevent the rear portion from being excessively tilted and the locking member from being detached from the gear body.

  In the game ball lifting device according to the present invention, the diameter of the ratchet gear portion is formed smaller than the diameter of the gear portion, and the number of claw tooth portions is larger than the number of tooth portions of the gear portion. With this configuration, it is prevented that the front portion of the locking member is locked to the tooth groove portion of the ratchet gear portion in a short cycle and the gear body is reversed. Therefore, it is possible to effectively prevent the backflow of the game ball.

  In the game ball lifting device according to the present invention, a plurality of gear main bodies and a plurality of locking members are provided in parallel in the backflow prevention device, and the gear main bodies and the locking members are arranged for each rail portion. With this configuration, the gear body and the locking member operate for each rail portion, and the game ball is fastened within the rail portion for each rail portion. Therefore, it is possible to effectively prevent the backflow of the game ball.

  The backflow prevention device according to the present invention is used in the above-described game ball lifting device. Therefore, it is possible to effectively prevent the backflow of the game ball.

It is the plane perspective view which showed the game ball lifting apparatus which concerns on embodiment of this invention. It is the side perspective view showing the game ball lifting device concerning the embodiment of the present invention. It is the front perspective view which showed the game ball lifting apparatus which concerns on embodiment of this invention. FIG. 2 shows a backflow prevention device according to an embodiment of the present invention, in which (a) is a partial perspective view in plan view, (b) is a perspective view in side view, and (c) is a perspective view in front view. FIG. 4C is a cross-sectional view taken along line AA in FIG. 4C in the operating state of the backflow prevention device according to the embodiment of the present invention, where FIG. 4A is an operating state diagram when the gear body rotates, and FIG. It is an operation state figure at the time of trying.

  Below, game ball lifting device 1 and a backflow prevention instrument concerning an embodiment of the present invention are explained based on a drawing.

  In the present invention, “rotation” of the gear body refers to the operation of the gear body when the game ball is lifted, and “reverse” of the gear body refers to the movement of the gear body when the game ball attempts to flow backward. Refers to movement. In the following description, “rotation” is indicated as “forward rotation” and “reverse rotation” is indicated as “reverse rotation” in order to facilitate understanding of the embodiment of the present invention (see FIG. 5).

  1, 2, and 3, the game ball lifting device 1 according to the present embodiment includes a delivery unit 2 that feeds the collected game balls 11 to the lift unit 3, and a lift unit that lifts the game balls 11. 3. It is comprised from the backflow prevention instrument 4 for preventing the game ball 11 to be pumped back.

  The delivery unit 2 is a drive device 5 that is a drive source for delivering the game ball 11 to the lift unit 3, a drive gear 6 attached to the drive device 5, and a main gear to which power is transmitted from the drive device 5 via a belt. 7, a roller 8 mounted coaxially with the main gear 7, and a chute 9 that conveys the game ball 11 to the lift portion 3 with the roller 8 interposed therebetween. The lift part 3 includes a plurality of rail parts 10 arranged in parallel. The backflow prevention device 4 is attached to the delivery unit 2. In addition, since the other structure is the same as that of a general game ball lifting apparatus, description is abbreviate | omitted.

  In FIG. 4, the backflow prevention device 4 includes a housing 20, a gear shaft portion 21 supported by the housing 20, a locking shaft portion 22, a restriction shaft portion 23, a gear main body 30 supported by the gear shaft portion 21, The locking member 40 is supported by the stop shaft portion 22. The gear body 30 and the locking member 40 are arranged in parallel for each rail portion 10 (see FIG. 3).

  The casing 20 is substantially box-shaped, and is formed in a substantially U shape from an upper surface portion and both side surface portions. The upper surface part is formed with a notch 24 for avoiding contact with the gear body 30 at the edge on the front side (the side closer to the lift part 3). The shaft portions 21, 22, and 23 are attached in parallel to each other on both side surfaces, and the gear shaft portion 21, the locking shaft portion 22, the restriction shaft are arranged in the direction from the front side to the rear side (the side away from the lift portion 3). The parts 23 are arranged in this order. Each shaft part 21, 22, 23 penetrates both side surface parts, and both ends are fastened by a snap ring 13 or the like.

  4 and 5, the gear main body 30 includes a gear portion 31 that is a spur gear, and a ratchet gear portion 33 formed on a side surface in the axial direction of the gear portion 31. The gear portion 31 has a plurality of teeth 32 formed on the circumference. The groove between the tooth portions 32 is curved and is wide enough to support the game ball 11. The ratchet gear portion 33 is formed with a diameter smaller than the diameter of the gear portion 31, and a plurality of claw tooth portions 34 are formed on the circumference more than the number of the tooth portions 32 of the gear portion 33. The claw tooth part 34 has a tooth tip part 35 at the tip and a tooth base part 36 at the base part. A tooth gap portion 37 is formed between adjacent nail tooth portions 34. The tooth tip portion 35 is formed at a position shifted from the tooth base portion 36 in the direction in which the gear body 30 rotates in the reverse direction (see FIG. 5B).

  The locking member 40 is horizontally long, a pair of supported plate portions 41 that are formed horizontally and face each other, a connecting plate portion 42 that connects the long sides of the supported plate portions 41, and the length of one supported plate portion 41. The locking plate portion 43 is formed by bending the edge of the side substantially at a right angle. The locking member 40 has a front portion 44 on the side where the gear main body 30 is in contact, a rear portion 45 on the side where the center of gravity of the locking member 40 is placed, and the front portion 44 side of the center of gravity. A supported hole 48 as a supported portion supported by the stop shaft portion 22 is formed. The front portion 44 includes a tilt guide portion 46 and a locking end portion 47. The tilt guide portion 46 is formed by tilting the front end of one supported plate portion 41, while the locking end portion 47 is the front end of the locking plate portion 43.

  The gear main body 30 and the locking member 40 are arranged such that the gear portion 31 of the gear main body 30 is disposed between the supported plate portions 41 of the locking member 40, and the ratchet gear portion of the gear main body 30 is disposed on the front portion 44 of the locking member 40. 33 is arranged in contact. A spacer 14 is attached between the locking members 40 via the locking shaft portion 22. The rear portion 45 side of the locking member 40 is disposed between the upper surface portion of the housing 20 and the restriction shaft portion 23. As for the backflow prevention instrument 4 attached to the delivery part 2, the tooth | gear part 32 of the gear part 31 of the gear main body 30 is arrange | positioned in the rail part 10 of the lift part 3 (refer FIG. 2).

  The game ball transport device 1 and the backflow prevention device 4 are configured as described above. Next, the operation of the game ball transport device 1 and the backflow prevention device 4 will be described with reference to the drawings.

  In the backflow prevention device 4, the locking member 40 is tilted about the locking shaft portion 22 toward the rear portion 45 where the center of gravity is placed. In FIG. 2, the game ball 11 that is out of the game machine (not shown) is collected and conveyed to the lift unit 3 by the chute 9 and the roller 8. In the lift portion 3, the game ball 11 is lifted and passes through the backflow prevention device 4.

  In FIG. 5, when the game ball 11 is lifted, the gear body 30 rotates forward with the tooth portion 32 of the gear portion 31 being pushed by the game ball 11. On the other hand, the locking member 40 is tilted to the front portion 44 side about the locking shaft portion 22 by the tilt guide portion 46 being pushed by the claw tooth portion 34 of the ratchet gear portion 33. When the claw tooth portion 34 passes through the tilt guide portion 46 and is separated, the locking member 40 that has been tilted to the front portion 44 side with the forward rotation of the gear body 30 is the rear portion 45 about the locking shaft portion 22. Tilt to the side. The gear main body 30 continues to rotate normally, and the locking member 40 repeats the above-described operation by the tilting guide portion 46 being pushed by the next claw tooth portion 34.

  When the rotation of the roller 8 stops, the game ball 11 that has been transported in the rail portion 10 of the lift portion 3 falls due to gravity and tries to flow backward in the rail portion 10. At that time, the gear body 30 rotates slightly in the reverse direction when the tooth portion 32 of the gear portion 31 is pushed by the game ball 11. On the other hand, the locking member 40 in which the force pushed from the claw tooth portion 34 of the ratchet gear portion 33 due to reverse rotation does not act on the tilting guide portion 46 tilts toward the rear portion 45 side with the locking shaft portion 22 as an axis. The rear part 45 contacts the restriction shaft part 23. At the same time, the locking end portion 47 of the locking member 40 is locked to the tooth groove portion 37 of the ratchet gear portion 33, thereby preventing the gear main body 30 from rotating backward.

  When the reverse rotation of the gear body 30 is prevented, the path of the game ball 11 in the rail portion 10 is blocked by the tooth portion of the gear portion 31, and the game ball 11 is fastened in the rail portion 10 (FIG. 2).

  Next, the effect of this embodiment will be described.

  As described above, according to the present embodiment, the backflow prevention device 4 has the gear shaft portion 21, the locking shaft portion 22, and the restriction shaft portion 23, which are formed on both side surface portions of the casing 20 formed in a substantially box shape. They are attached in parallel, and in the direction from the front side (the side closer to the lift part 3) to the rear side (the side away from the lift part 3), in the order of the gear shaft part 21, the locking shaft part 22, and the restriction shaft part 23. Has been placed. The gear shaft portion 21 supports the gear body 30, and the locking shaft portion 22 supports the locking member 40.

  The gear body 30 includes a gear portion 31 that is a spur gear, and a ratchet gear portion 33 formed on the side surface in the axial direction of the gear portion 31, and a plurality of claw tooth portions 34 are formed on the circumference of the ratchet gear portion 33. ing. The ratchet gear portion 33 is formed at a position where the tooth tip portion 35 that is the tip of the claw tooth portion 34 is shifted in the direction in which the gear main body 30 rotates reversely than the tooth base portion 36 that is the base portion of the claw tooth portion 34. A tooth gap portion 37 is formed between the claw tooth portions 34.

  The locking member 40 is the front portion 44 on the side where the gear main body 30 is in contact, the rear portion 45 is the side where the center of gravity of the locking member 40 is placed, and is formed closer to the front portion 44 than the position of the center of gravity. The support shaft 48 is supported by the locking shaft portion 22. The front portion 44 includes a tilt guide portion 46 formed by tilting the front end of one of the supported plate portions 41, and a locking end portion 47 that is a front end of the locking plate portion 43.

  The gear main body 30 and the locking member 40 are arranged such that the gear portion 31 of the gear main body 30 is disposed between the supported plate portions 41 of the locking member 40, and the ratchet gear portion of the gear main body 30 is disposed on the front portion 44 of the locking member 40. 33 is arranged in contact. In the backflow prevention device 4 attached to the lift part 3, the tooth part 32 of the gear part 31 of the gear body 30 is arranged in the rail part 10 of the lift part 3.

  With this configuration, when the gear main body tries to rotate in the reverse direction, the gear main body 30 rotates slightly in the reverse direction when the tooth portion 32 of the gear portion 31 is pushed by the game ball 11, while the locking member 40 is locked in the locking shaft portion 22. And the locking end portion 47 of the locking member 40 is locked to the tooth groove portion 37 of the ratchet gear portion 33, thereby preventing the gear main body 30 from rotating backward. Thereby, the path of the game ball 11 in the rail portion 10 is blocked by the tooth portion of the gear portion 31, and the game ball 11 is fastened in the rail portion 10. Therefore, the backflow of the game ball 11 can be effectively prevented.

  According to the present embodiment, the rear portion 45 side of the locking member 40 is disposed between the upper surface portion of the housing 20 and the restriction shaft portion 23. With this configuration, when the gear main body 30 rotates in the reverse direction, the locking member 40 tilted toward the rear portion 45 side has the rear portion 45 in contact with the restriction shaft portion 23 and the tilt range is restricted. Therefore, it is possible to prevent the locking member 40 from being detached from the gear body 30 due to excessive tilting of the rear portion 45 side.

  According to the present embodiment, the ratchet gear portion 33 is formed with a diameter smaller than the diameter of the gear portion 31, and a plurality of claw tooth portions 34 are formed on the circumference more than the number of the tooth portions 32 of the gear portion 33. Yes. With this configuration, the front portion 44 of the locking member 40 is locked to the tooth groove portion 37 of the ratchet gear portion 33 at a short cycle, thereby preventing the gear main body 30 from rotating backward. Therefore, the backflow of the game ball 11 can be effectively prevented.

  According to the present embodiment, the gear body 30 and the locking member 40 are arranged in parallel for each rail portion 10 in parallel. With this configuration, the gear body 30 and the locking member 40 operate for each rail portion 10, and the game ball 11 is fastened within the rail portion for each rail portion 10. Therefore, it is possible to effectively prevent the backflow of the game ball.

  As mentioned above, although embodiment of this invention was explained in full detail, this invention is not limited to the said embodiment. The present invention can be modified in various ways without departing from the scope of the claims.

DESCRIPTION OF SYMBOLS 1 Game ball lifting apparatus 2 Sending part 3 Lift part 4 Backflow prevention instrument 5 Drive apparatus 6 Drive gear 7 Main gear 8 Roller 9 Chute 10 Rail part 11 Game ball 13 Snap ring 14 Spacer 20 Case 21 Gear shaft part 22 Locking Shaft portion 23 Regulating shaft portion 24 Notch portion 30 Gear body 31 Gear portion 32 Tooth portion 33 Ratchet gear portion 34 Claw tooth portion 35 Tooth tip portion 36 Tooth base portion 37 Tooth groove portion 40 Locking member 41 Supported plate portion 42 Connecting plate portion 43 Locking plate portion 44 Front portion 45 Back portion 46 Tilt guide portion 47 Locking end portion 48 Supported hole (supported portion)

Claims (6)

In a game ball lifting device provided with a backflow prevention device for preventing a game ball being transported along the rail portion from flowing backward in a lift portion in which a plurality of parallel rail portions are formed,
The backflow prevention instrument is
A gear shaft portion provided in a direction in which the rail portions are arranged in parallel;
The game ball which is composed of a gear portion in which a tooth portion is arranged in the rail portion and a ratchet gear portion formed on the side surface in the axial direction of the gear portion, is supported by the gear shaft portion and is transported. A gear body rotated by being in contact with the tooth portion;
A locking member that is locked to a tooth groove portion formed between the claw teeth portions of the ratchet gear portion and prevents the gear body from reversing;
Having
A game ball lifting device characterized by that. The locking shaft portion on which the locking member is supported is provided in the backflow prevention device, and the locking shaft portion is disposed in parallel with the gear shaft portion and is further away from the lift portion than the gear shaft portion. Placed at
The locking member is supported by the locking shaft at the front part that contacts the claw tooth part, the rear part where the center of gravity of the locking member is placed, and the front part side of the position of the center of gravity. Having a supported part,
When the claw tooth portion comes into contact with the front portion, the locking member tilts to the rear portion side about the locking shaft portion, and the front portion is locked to the tooth groove portion, and the gear The body is prevented from reversing,
The game ball lifting device according to claim 1. The backflow prevention device is provided with a regulating shaft portion that regulates a tilting range of the locking member tilted to the rear portion side by contacting the rear portion of the locking member tilted to the rear portion side. The restriction shaft portion is disposed at a position farther from the lift portion than the locking shaft portion.
The game ball lifting device according to claim 2. The diameter of the ratchet gear portion is formed smaller than the diameter of the gear portion, and the number of the claw tooth portions is larger than the number of the tooth portions of the gear portion,
The game ball lifting device according to any one of claims 1 to 3, wherein the game ball lifting device is provided. A plurality of the gear main bodies and a plurality of the locking members are provided in parallel in the backflow prevention device, and the gear main bodies and the locking members are arranged for each rail portion,
The game ball lifting device according to any one of claims 1 to 4, characterized in that: It is used for the game ball lifting device according to any one of claims 1 to 5.
A backflow prevention device characterized by that.

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