JPH0337656Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a safe ball discharging device for discharging a fixed number of prize balls for each safe ball.

[Conventional technology]

Conventionally, as this type of safe ball discharge processing device, one proposed by the present applicant and described in Japanese Unexamined Utility Model Publication No. 1987-87886 is known.

As shown in FIG. 5, this conventional device is equipped with a ball receiving shelf 101 at the end of a safe ball discharging passage 100, and on both sides of the ball receiving shelf 101, a swingable control lever 102 for discharging safe balls and a prize ball. While facing the operating lever 103 for ejection, the control lever 10
2 is always connected to the shaft 1 of the motor 105 with the spring 104.
Cam 107 having an uneven cam surface fixed to 06
The convex portion of the cam 107 causes the control lever 102 to enter the safe ball outlet passage 100 to push out the safe balls on the ball receiving shelf 101 to the safe ball discharge passage 111 and swing the operating lever 103. It is configured to cause the player to perform an action of ejecting prize balls.

[The problem that the idea aims to solve]

In this conventional device, the lower end of the control lever 102 for safe ball ejection is pivotally supported by the shaft 108 so that it can swing, so it has a large moving area and requires a large space. This is because the back parts of a pachinko machine are usually assembled in a wide variety of ways and are complicated, so each part is currently subject to considerable space constraints, making it difficult to design as compactly as possible. This goes against the expectations of the manufacturers who say they want to do so.

Moreover, since the upper surface of the arm portion 109 of the control lever 102 is arcuate, when pushing out the safe balls on the ball receiving shelf 101, the safe balls located above ride on the arm portion 109, but the impact at that time is This is larger than when operating horizontally and linearly, and an extra load is applied to the motor 105 as a reaction force, resulting in a problem that the service life of the motor is considerably shortened. In addition, since the spring 104 that is locked to the control lever 102 is constantly expanded and contracted by the rotation of the motor 105, it may break due to repeated fatigue after many years of use, and the safe ball ejection operation may malfunction. There is a risk.

Furthermore, since the ball contact portion 110 of the operation lever 103 that is pressed by the safe ball pushed out from above the ball receiving shelf 101 is simply formed as a flat vertical surface, when the control lever 102 presses the safe ball, There is a problem in that the safe ball escapes downward and falls into the discharge passage 111 before the operating lever 103 is completely swung, which hinders the release operation of the prize ball. Ta.

Therefore, the present invention has been made in view of the above-mentioned problems of the conventional technology, and has a compact structure that speeds up the safe ball ejection process, and also allows the safe ball to be ejected smoothly, thereby reducing unnecessary load on the motor. To provide a safe ball discharging device for a pachinko machine, which can be used for a long period of time without causing problems, and can also reliably perform a prize ball discharging operation.

[Means to solve the problem]

The safe ball discharge processing device of the pachinko machine of the present invention is provided in communication with the exit of the safe ball collecting section,
A safe ball lead-out passage whose lower part is formed as a vertical part and a ball receiving shelf is formed at the end of the safe ball lead-out passage, and a pin is fixed to the motor shaft of a motor provided outside on one side of the safe ball lead-out passage, and has a pin at an eccentric position. is formed into a horizontal T-shape by a crank disk with a protruding surface, a slide portion forming a groove in which the pin faces, and an extruded portion extending perpendicularly toward the vertical portion, and horizontally extends as the crank disk rotates. An extrusion body that performs a reciprocating linear motion and pushes out the safe balls on the ball receiving shelf into the safe ball discharge passage with the tip of the extrusion part, and an outer side of the safe ball discharge passage opposite to the extrusion part tip of the extrusion body. The rocking piece is provided on the side, and its upper end is pivotally supported by a shaft, and the rocking piece has a ball contact portion that is pressed by the safe ball pushed out into the safe ball discharge passage. , a connecting arm that is connected to the prize ball discharging device via a vertical rod and operates the prize ball discharging device by swinging; It is formed into a concave surface to increase the profit.

[Effect]

The safe balls collected in the safe ball collection part flow down the safe ball lead-out passage and stop on the ball receiving shelf in the vertical part. On the other hand, due to the continuous rotation of the motor, the extruded body that engages with the pin fixed to the crank disk performs a reciprocating linear motion in the horizontal direction, and the tip of the extruded part plunges onto the ball holder shelf in the vertical part, and the extruded body engages with the pin fixed to the crank disk. Push out the safe balls into the safe ball discharge passage. As a result, the swinging piece is swung with the safe ball being received by the concave surface of the ball contacting part of the swiveling piece, and the operating rod of the prize ball release device is moved via the vertical rod to release a fixed number of balls. Release a prize ball.

Further, it is possible to buy the swinging time of the swinging piece until the safe balls are pushed out from the concave surface, thereby making it possible to reliably release a constant number of prize balls.

〔Example〕

An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a back view of a pachinko machine, in which 1 is a game board, 2 is a ball tank installed above it, and 3 is a prize ball release device. As shown in FIG. 3, the prize ball discharging device 3 includes a vertical cylindrical fixed case part 4 in which a fixed number of prize balls are collected, an upper valve 5 and a lower valve 6 facing the upper and lower ends of the fixed case part 4, and an upper and lower valve. The upper valve 5 and the lower valve 6 are movably provided by the movement.
a discharge actuator 7 that alternately opens and closes the
7, and the other end is a discharge actuator 7.
and a horizontally oriented operating rod 8 facing the engagement recess 7a.

The upper end opening of the fixed case part 4 communicates with the ball tank 2 via the lead-out gutter 9 and the bent gutter 10, and the lower end opening faces a prize ball discharge gutter 11 that communicates with a ball receiving tray (not shown) in front of the machine. Normally, the upper end of the upper valve 5 is pushed down by the bifurcated engagement portion 7b of the discharge actuator 7 to open the upper end opening of the fixed case portion 4, and the lower valve 6 is opened.
The upper end of this contacts the engagement convex portion 7c of the ejection actuating body 7 to close the lower end opening of the fixed case portion 4, whereby a fixed number of prize balls are stored in the fixed case portion 4. It will be done. And the operating rod 8 is the third
When pushed upward as shown by the chain line in the figure, the discharge actuator 7 moves upward, lowers the tip of the upper valve 5 to close the upper end opening of the fixed case part 4, and leaves the lower valve 6 in a free state to open the fixed case part. A fixed number of prize balls within 4 are discharged into the prize ball discharge gutter 11. Reference numeral 12 denotes a cover-like safe ball collecting part that collects safe balls that have won a prize in a prize opening on the game board surface, and the safe balls collected in this part are guided to a safe ball leading-out passage 13.

As shown in FIG. 2, the lower part of the safe ball lead-out passage 13 is formed as a vertical part 14 in which several safe balls (about 3 in this embodiment) are arranged vertically in a row, and a ball holder is provided at the end of the vertical part 14. A shelf 24 is formed. The right side of the ball receiving shelf 24 is opened to serve as a safe ball discharge port 25, and below the discharge port 25 is a safe ball discharge passage 3 for discharging safe balls to the outside of the machine.
5 is formed.

A motor 15 and a pusher 16, which constitute a safe ball discharge processing device, are disposed outside the left side of the vertical portion 14. A crank disk 19 having a protruding pin 18 at an eccentric position is fixed to the motor shaft 17 of the motor 15. The extruded body 16 is formed into a horizontal T-shape by a slide part 21 having a vertical groove 20 and an extruded part 22 extending orthogonally toward the vertical part 14, and the pin 18 of the crank disk 19 is inserted into the groove 20.
is coming. Therefore, when the motor 15 rotates, the extrusion body 16 correctly performs reciprocating linear motion in the horizontal direction by the guide frame 23, and the extrusion part 2
When the tip of the ball 2 enters the ball receiving shelf 24 of the vertical part 14, the safe ball is pushed out to the outlet 25 formed in the side wall of the vertical part 14 as shown by the chain line in FIG.

A swinging piece 26 is disposed on the outer side of the discharge port 25. The upper end of the swing piece 26 is swingably supported by a shaft 27, and the ball contact portion 2 hangs downward.
8 are positioned opposite to each other so as to close the discharge port 25, and a connecting arm 29 is protruded sideways from the upper end, and the connecting arm 29 connects to the prize ball discharging device 3 via a vertical rod 30. is connected to the operating rod 8.

The ball contact portion 28 has a concave surface 2 so that the safe ball falls and is discharged into the safe ball discharge passage 35 after the swinging piece 26 has completely swung to the prize ball release position.
8a. In addition, a horizontal locking piece 31 is located outside the ball contact portion 28 of the swinging piece 26.
The rear end is rotatably supported by a shaft 32, and its tip is inserted into a vertically elongated hole 33 formed in the ball contact portion 28 of the rocking piece 26 to project into the discharge port 25. Further, a hook portion 34 is formed on the lower surface of the lock piece 31 so as to be able to engage with the lower end side surface of the vertically elongated hole 33. Normally, the hook portion 34 engages with the lower end side surface of the vertically long hole 33. The swing piece 26 is restrained. 36 is a safe ball detection sensor provided in the safe ball discharge passage 35.

Therefore, the safe ball is the extruded part 2 of the extruded body 16.
When pushed out to the discharge port 25 by the locking piece 2, it contacts the locking piece 31 and rotates upward as shown by the chain line in FIG. oscillate. Then, as the swinging piece 26 swings, the vertical rod 30 rises and pushes the operating rod 8 of the prize ball discharging device 3 upward to perform the prize ball discharging operation. On the other hand, the safe ball that has come into contact with the ball contact portion 28 of the swinging piece 26 moves while being received by the concave surface 28a while the swinging piece 26 swings to the end, as shown by the solid line in FIG. When the piece 26 swings to its end, its concave surface 28
The balls are pushed out from a and are discharged into the safe ball discharge passage 35. This safe ball is the concave surface 28a
Until the swinging piece 26 is pushed out from the vertical rod 30
The actuating rod 8 of the prize ball discharging device 3 is kept pushed upward through the holder, thereby making it possible to reliably release a fixed number of prize balls from the fixed case portion 4.

[Effect of idea]

Since the present invention is configured as described above, it produces the effects described below.

a The extrusion body discharges the safe balls by linearly reciprocating at right angles to the vertical part of the safe ball delivery passage, that is, in the horizontal direction, so the extrusion body includes the safe balls located above it and the safe balls that are pushed out. Almost no ball force is applied to the ball, which can significantly reduce the load on the motor, and the safe balls are very stable with no unnecessary movement, which allows the release operation of the prize balls to be performed extremely smoothly. I can do it.

b Since the extruded body is engaged with the pin of the crank disk and reciprocated in a straight line, it can be formed compactly without requiring a large space, and the empty space can be used for assembling other parts, which is advantageous in terms of design. It is advantageous in manufacturing and highly practical. In addition, the safe ball ejection operation can be performed accurately and reliably for a long period of time without causing malfunction due to failure.

c Since the ball contact part of the rocking piece is formed as a concave surface, the safe ball is held on the concave surface and prevented from escaping downward, and the rocking time of the rocking piece is shortened until it is pushed out from the concave surface. As a result, a fixed number of prize balls can be reliably released.

[Brief explanation of the drawing]

The figures show one embodiment of the present invention, in which Fig. 1 is a back view of the pachinko machine, Fig. 2 is a perspective view of the main parts, and Fig. 3 is a front view with a partial cross section to explain the prize ball discharging operation. 4 are enlarged front views of essential parts for explaining the operation, and FIG. 5 is an explanatory diagram of the prior art. 3...Prize ball release device, 12...Safe ball collecting section, 13...Safe ball lead-out passage, 14...Vertical section, 15...Motor, 16...Extrusion body, 17...
Motor shaft, 18... Pin, 19... Crank disk, 20... Groove, 21... Slide portion, 22...
Extrusion part, 24...Ball receiving shelf, 25...Discharge port, 26
... Rocking piece, 28 ... Ball contact portion, 28a ... Concave surface, 30 ... Vertical rod, 35 ... Safe ball discharge passage.

Claims (1)

[Scope of Claim for Utility Model Registration] A safe ball lead-out passage which is provided in communication with the exit of the safe ball collection part, whose lower part is formed as a vertical part, and where a ball receiving shelf is formed at the end thereof; and the safe ball lead-out passage. A crank disk fixed to a motor shaft of a motor provided outwardly on one side of the passage and having a pin protruding from an eccentric position, a sliding part forming a groove facing the pin, and extending perpendicularly toward the vertical part. The extrusion body is formed into a horizontal T-shape by the extrusion part, performs reciprocating linear motion in the horizontal direction according to the rotation of the crank disk, and pushes out the safe balls on the ball receiving shelf to the safe ball discharge passage at the tip of the extrusion part. and a rocking piece provided on the other side of the safe ball lead-out passage facing the tip of the extruded part of the extruded body, the upper end of which is swingably supported by a shaft; The movable piece has a ball contact part that is pressed by the safe balls pushed out to the safe ball discharge passage, and a connecting arm that is connected to the prize ball discharge device via a vertical rod and operates the prize ball discharge device by swinging. The safe ball discharge processing device for a pachinko machine is further characterized in that the ball contact portion is formed into a concave surface in order to increase the time for the safe balls to fall into the safe ball discharge passage.