JP3841443B2 - Premium ball dispenser for pachinko machines - Google Patents

Description

[0001]
[Industrial application fields]
The present invention relates to a prize ball dispensing device for a pachinko machine, and more particularly to a miniature prize ball dispensing device for a pachinko machine.
[0002]
[Prior art]
Conventionally, as a prize ball payout device for a pachinko machine, for example, there is one disclosed in JP-A-4-58972.
In this apparatus, as shown in FIG. 7, a lead screw 103 in which a spherical support portion 102 for supporting the prize sphere of the supply passage 101 is formed on the outer periphery is arranged on one side of the supply path 101 of the vertical prize sphere. On the other hand, the drive motor 104 is fixed to the mounting plate 105 at a position different from that of the lead screw 103, and the driving gear 107 is fixed to the motor shaft 106 of the drive motor 104 and the support shaft 108 of the lead screw 103 is attached to the support shaft 108. The driven gear 109 meshing with the driving gear 107 is fixed.
Then, by rotating the drive motor 104 and rotating the lead screw 103, the prize balls in the supply passage 101 received by the ball support portion 102 are sequentially discharged.
[0003]
[Problems to be solved by the invention]
On the other hand, the back mechanism of recent pachinko machines has been installed with many electronic components, wiring boards and wiring intricately in line with the increase in the size of objects and the advancement of games. In view of this, efforts have been made to reduce the size of multiple parts as much as possible.
[0004]
However, the prize ball dispensing device has a lead screw 103 disposed on one side of the supply passage 101, and the drive motor 104 is fixed to the mounting plate 105 at a position different from that of the lead screw 103. Since the lead screw 103 is driven by interposing the 107 and the driven gear 109, the drive motor 104 protrudes outward and the entire apparatus becomes large, and the request cannot be met.
[0005]
Further, the prize balls in the supply passage 101 are arranged in a continuous state in a vertical state, and the most advanced prize balls are supported by the lead screw 103, so that a large ball pressure is applied to the lead screw 103. Therefore, the drive motor 104 In addition, there is a problem that an excessive load is added to cause a failure.
Accordingly, the present invention has been made in view of the above problems, and provides a prize ball payout device that can be reduced in size so as not to occupy a large space and can smoothly discharge a prize ball with few failures. Objective.
[0006]
[Means for Solving the Problems]
In order to achieve such an object, the prize ball dispensing device for a pachinko machine according to the present invention comprises a lead screw and a drive motor for rotating the lead screw, and the prize balls in the supply passage are discharged one by one by the rotation of the lead screw. In the premium ball dispensing device, a drive motor is disposed above the lead screw, and the lead screw is fixedly secured to the motor shaft of the drive motor, and the premium ball is laterally extended to the lead screw side. A discharge passage that is formed so as to be guided from the direction, communicates with the supply passage at the end of the supply passage, and descends in sequence without waiting for the prize spheres arranged in a continuous state in the supply passage along with the rotation of the lead screw. Formed.
[0007]
[Action]
A drive motor is disposed above the lead screw, and the lead screw is integrally fixed to the motor shaft of the drive motor, thereby reducing the size of the entire apparatus. In addition, the supply passage is formed so that the prize sphere is guided from the lateral direction to the lead screw side, so that the ball pressure to the lead screw by the consecutive prize spheres is reduced, thereby adding an extra load to the drive motor. Absent.
[0008]
【Example】
DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a prize ball payout device for a pachinko machine according to the present invention will be described below with reference to the drawings.
FIG. 1 is a back view of a pachinko machine to which the prize ball dispensing device of the present invention is applied. In the figure, 1 is a pachinko machine main body, 2 is a game board, and the mechanism board 3 is arrange | positioned so that the whole back surface of this game board 2 may be covered. In the lower part of the front surface of the mechanism board 3 facing the back surface of the game board 2, a winning ball collecting basket 4 for collecting winning balls is formed. The winning ball assembly basket 4 is arranged so that the winning balls are aligned and flowed down, and a winning ball detector 5 is provided for detecting the winning balls passing in the middle of the flow path. The signal from the winning ball detector 5 is sent to a payout control circuit (not shown) to control the operation of a premium ball payout device 6 described later.
[0009]
On the other hand, on the rear surface side of the mechanism plate 3, a premium sphere tank 7 for storing premium spheres supplied from a supply mechanism (not shown) is provided at the upper portion, and the prize spheres are arranged and flowed below the premium sphere tank 7. A guide rod 8 is provided, and a supply rod 9 is connected to the downstream side of the guide rod 8, and the prize ball dispensing device 6 of the present invention is connected to the lower end of the supply rod 9. Further, a discharge basket 10 is provided below the prize ball dispensing device 6 to guide the prize balls dispensed from the device 6 to a ball tray in front of the machine.
[0010]
Next, the configuration of the prize ball dispensing device 6 of the present invention will be described with reference to FIGS. As shown in FIG. 2, the prize ball dispensing device 6 has an attachment plate 11 that is attached to the mechanism plate 3. The mounting plate 11 is provided with three supply passages 12, 13, and 14 that are continuous with the supply rod 9. Each of the supply passages 12, 13, and 14 is formed to bend into a substantially U-shaped side surface, and more specifically, a vertical flange portion that is perpendicular to the upper horizontal flange portions 12a, 13a, and 14a connected to the lower end of the supply rod 9. 12b, 13b, 14b and lower recumbent portions 12c, 13c, 14c.
The bottom ends of the respective lower horizontal portions 12c, 13c, and 14c are gathered to form one bottomed discharge chamber 15 on the lower surface thereof.
[0011]
The discharge chamber 15 is provided with a support projection 16 projecting upward at the center of the bottom surface, and a side wall is recessed around the support projection 16 so as to communicate with the lower lateral flange portions 12c, 13c, and 14c. Two discharge passages 12d, 13d, and 14d are formed, and discharge ports 12e, 13e, and 14e connected to the discharge rod 10 are formed on the lower surface thereof.
[0012]
Reference numeral 17 denotes a drive motor disposed so as to be surrounded by the supply passages 12, 13, and 14 that are substantially U-shaped on the side surfaces. , 18.
The motor shaft 19 of the drive motor 17 protrudes downward from the lower surface of the drive motor 17, faces the discharge chamber 15 through a through-hole 20 provided in the top plate, and faces the support protrusion 16. A lead screw 21 is fixed to the tip of the lead screw 21 so that it can rotate horizontally. The lead screw 21 has a mounting hole 23 for fitting the motor shaft 19 in the upper end surface of the shaft tube portion 22, and a guide hole 24 for fitting the support protrusion 16 in the center of the discharge chamber 15 in the lower end surface. Yes. Further, a bowl-shaped sphere support is provided on the outer peripheral surface of the shaft tube portion 22 so as to support the most advanced prize balls flowing down through the supply passages 12, 13, 14 facing the discharge passages 12 d, 13 d, 14 d. The portion 25 is provided in a spiral shape.
[0013]
In addition, the ball support portion 25 of the lead screw 21 is such that the most advanced prize ball continuously arranged in each of the supply passages 12, 13, and 14 loses support due to one rotation of the lead screw 21, and each discharge port 12e, The spiral shape is selected so as to fall into the discharge basket 10 in order from 13e, 14e. The discharge passages 12d, 13d, and 14d of the discharge chamber 15 are provided with detectors 26, 27, and 28 for detecting a broken ball and a premium ball, respectively.
[0014]
The prize ball payout device of the present invention has the above-described configuration, and the operation will be described next.
When the winning ball detector 5 detects a winning ball, the drive motor 17 starts rotating based on the detection signal, and the lead screw 21 directly connected to the motor shaft 19 rotates horizontally. As a result of the rotation of the lead screw 21, the prize balls that are continuously waiting in the supply passages 12, 13, and 14 are sequentially lowered without interruption along with the movement of the sphere support portion 25. The 12, 13, and 14 state-of-the-art prize balls (three in total) are removed from the support by the ball support portion 25 and fall into the discharge basket 10.
[0015]
In this way, the prize sphere falling on the discharge basket 10 is guided to the ball tray (not shown) on the front surface of the pachinko machine body 1 while being counted by the detectors 26, 27, 28. When the number of spheres reaches a predetermined number of prize balls (for example, 13) to be paid out for one winning sphere, the motor is stopped and a predetermined number of prize spheres are accurately paid out.
[0016]
【The invention's effect】
As described above, the premium ball dispenser of the pachinko machine according to the present invention is such that the lead screw is directly connected to the tip of the motor shaft, and the supply passage is bent so as to surround the motor. In addition, it is easy to handle and easy to install. As a result, it is possible to sufficiently meet the demand for downsizing each component of the back mechanism.
In addition, the supply passage is formed so that the prize sphere is guided laterally to the lead screw side, so that the ball pressure applied to the lead screw is reduced, and the prize sphere can be discharged smoothly, and also to the drive motor. Since a large load is not applied, there is an effect that there are few failures.
[Brief description of the drawings]
FIG. 1 is a rear view of a pachinko machine.
FIG. 2 is a perspective view of a prize ball dispensing device according to the present invention.
FIG. 3 is an exploded perspective view of the same.
FIG. 4 is a perspective view seen from the back side.
FIG. 5 is a longitudinal sectional view of the same.
6 is a cross-sectional view taken along line XX in FIG.
FIG. 7 is a perspective view of a conventional prize ball dispensing device.
[Explanation of symbols]
12, 13, 14 Supply passage
12c, 13c, 14c Lower recumbent part
12d, 13d, 14d Discharge passages 12e, 13e, 14e Discharge port 17 Drive motor 19 Motor shaft 21 Lead screw
25 Ball support

Claims (1)

A lead screw, and a drive motor for rotating the lead screw, the prize ball dispensing apparatus adapted to discharge the prize balls of each supply passage one by one by the rotation of the lead screw, the above said lead screw the lead screw is integrally fixed to the motor shaft of the drive motor as well as arranging the drive motor and the respective supply passage, from the lateral direction the prize balls have a lower portion Yokodoi portion to the lead screw side A discharge passage formed so as to be guided and communicated with each lower lateral flange at the end of each lower lateral flange and arranged in parallel with the center axis of the lead screw so as to surround the periphery of the lead screw The passage width along the circumferential direction of the lead screw in each discharge passage is approximately the same as the diameter of the prize sphere. It is constant, the support state of the art prize balls of each supply passage spherical supporting portion of the lead screw outer circumferential surface by the spherical support portion faces to each discharge passage, to each of the supply passage in accordance with the rotation of the lead screw A prize ball payout device for a pachinko machine, wherein the prize balls arranged and waiting in a continuous state are sequentially lowered to each of the lower recumbent parts without interruption.

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