JPH0337657Y2 - - Google Patents

Description

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

[Conventional technology]

Conventionally, this type of safe ball discharge processing device has been proposed by the present applicant in Utility Application No. 60-53949 (hereinafter referred to as the first conventional device);
There is one described in No. 59-87886 (hereinafter referred to as the second conventional device).

As shown in Fig. 6, the first conventional device forms a vertical portion b below the safe ball lead-out passage a, and makes horizontal reciprocating linear motion outward from one side of the vertical portion b by means of a crank. A push-out body c is provided, and a swinging piece e is pivotally supported on a discharge port d formed on the other side of the vertical part b, and the swinging piece e and the prize ball discharging device are connected to a vertical rod f.
The safe balls located on the bottom surface of the vertical part b are pushed out one by one to the discharge port d by the pusher c, and the swinging piece e is swung by the safe balls to perform a prize ball release operation. Consists of composition.

Furthermore, as shown in FIG. 7, the second conventional device is provided with a safe ball standby part h in the middle of the safe ball discharge passage g, and a swingable control lever for safe ball discharge on both sides of the standby part h. i and the control lever j for ejecting the prize balls, and the control lever i is always brought into contact with a cam n having an uneven cam surface fixed to the shaft m of the motor l with a spring k. The convex part causes the control lever i to enter the safe ball discharge passage g, push out the safe balls on the standby part h, and swing the operating lever j to discharge the prize balls.

[The problem that the idea aims to solve]

However, in the first conventional device, each time the crank disk q fixed to the motor shaft p of the motor o makes one revolution, the extruder c is reciprocated and linearly moved by the crank to perform the prize ball discharging operation.
Only one safe ball is discharged per one revolution of the motor o (motor shaft), which is not suitable for high-speed safe ball discharge processing.

In addition, in the second conventional device, although the above problem is solved, the control lever i for safe ball ejection is
Since the lower end is pivotally connected to the shaft r so that it can swing, it has a large moving area and requires a large space. This is due to the fact that the back parts of a pachinko machine are usually assembled in a wide variety of ways and are intricately assembled, so each part is currently subject to considerable space constraints, which makes it difficult to design and makes it as compact as possible. This goes against the manufacturer's expectations.

Moreover, since the upper surface of the arm part i' of the control lever i is arcuate, when pushing out the safe ball on the standby part h, the safe ball located above rides on the arm part i', but at that time the control lever The force applied to i is larger than that of horizontal and linear operation, and an extra load is applied to the motor l as a reaction force, resulting in problems such as shortening the service life of the motor l.

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 discharge processing device for a pachinko machine that can be used for a long period of time without being damaged.

[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 bottom surface is provided at the lower end; a cam disposed outside one side of the vertical part and fixed to the motor shaft of the motor; a vertical slide part; It is formed into a horizontal T-shape with an extrusion section extending perpendicularly toward the vertical section, and a roller that engages and disengages from the cam is pivoted on the outer surface of the extrusion section. an extrusion body that is biased to be positioned outward; a discharge port provided on the other side of the vertical portion; and a rocking piece pivotably supported by a cam, the cam having a plurality of blades, and the extruded body being engaged with the blades of the cam to move in a straight line in the lateral direction against a tension spring. The extrusion part pushes out the safe balls on the bottom surface from the discharge port to the safe ball discharge passage, and the swinging pieces are located opposite to each other so as to block the discharge port and move toward the safe ball discharge passage. It consists of a ball contacting part pressed by the pushed out safe balls, and a connecting arm connected to the prize ball discharging device via a vertical rod and operating the prize ball discharging device by swinging.

[Effect]

The safe balls collected in the safe ball collection part flow down the safe ball lead-out passage and stop on the bottom surface of the vertical part.
On the other hand, when the motor is activated, the cam rotates, and the blades of the cam engage the rollers of the extrusion body to push the extrusion body against the tension of the tension spring. As a result, the slide portion of the extrusion body is guided in the horizontal direction, and the tip of the extrusion portion linearly enters the vertical portion to push out the safe balls on the bottom surface to the discharge port. At the same time, the safe ball contacts the lock piece, rotates it upward, and pushes the rocking piece. This causes the vertical rod to rise and activate the prize ball release device to release a certain 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. The prize ball release device 3 is the fourth
As shown in the figure, there is a vertical cylindrical fixed case part 4 in which a fixed number of prize balls can be collected, an upper valve 5 and a lower valve 6 facing the upper and lower ends of this fixed case part 4, and the upper valve 5 and the lower valve 6 are provided so as to be movable up and down. A discharge actuator 7 that alternately opens and closes the upper valve 5 and the lower valve 6 by movement, and a horizontally oriented actuating rod 8 with one end rotatably supported and the other end facing the engagement recess 7a of the discharge actuator 7. It consists of

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. The upper end of the upper valve 5 is pushed down by the bifurcated engaging portion 7b of the discharge actuator 7 to open the upper end opening of the fixed case portion 4, and the upper end of the lower valve 6 is pushed down by the fork-shaped engaging portion 7b of the discharge actuator 7 to open the upper end opening of the lower valve 6. The lower end opening of the fixed case part 4 is closed by contacting the part 7c, whereby a fixed number of prize balls are stored in the fixed case part 4. 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.

FIG. 2 is a perspective view showing the safe ball discharge processing device of the present invention. As shown in the figure, there are several balls (about three in this embodiment) below the safe ball lead-out passage 13.
The safe balls are formed as a vertical part 14 arranged vertically in a row, and a motor 15 and a pusher 16 are disposed on the left side of the vertical part 14. The motor shaft 17 of the motor 15 has a plurality of (three in this embodiment)
A cam 19 having two blades 18 is fixed and is rotatable in the direction of the arrow in FIG. Extruded body 1
6 is a vertical slide portion 16a and the slide portion 16;
It is formed into a horizontal T-shape with an extrusion part b extending perpendicularly from a to the vertical part 14, and a roller 20 that engages with and disengages from the blade 18 of the cam 19 is pivotally attached to the outer surface of the extrusion part b. Further, the extrusion body 16 is always urged by the tension spring 21 so that the tip of the extrusion portion 16b is located outside the vertical portion 14 (the solid line position in FIG. 5). Then, as the cam 19 rotates, the roller 20 is engaged, and the slide portion 16a is pushed laterally while being supported by the guide frame 22, and the extrusion portion 1
The tip of 6b is designed to protrude onto the bottom surface 14a of the vertical portion 14.

A safe ball discharge port 23 is provided on the side wall of the vertical portion 14 facing the extruded body 16, and a swinging piece 24 is disposed on the outside of this discharge port 23. The upper end of the swing piece 24 is swingably supported by a shaft 25, and the ball contact portion 26 hanging downward is connected to the discharge port 2.
3, and a connecting arm 27 is protruded sideways from the upper end, and the connecting arm 27 is connected to the operating rod 8 of the prize ball discharging device 3 via a vertical rod 28. connected. Further, the rear end of a horizontal locking piece 29 is rotatably supported by a shaft 30 at a position outside the ball contacting part 26 of the swinging piece 24, and its tip is formed at the ball contacting part 26 of the swinging piece 24. The discharge port 23 is inserted into the vertically elongated hole 31 and protrudes from the discharge port 23. Further, a hook portion 3 is provided on the lower surface of the lock piece 29 and is capable of engaging with the lower end side surface of the vertically elongated hole 31.
2 is formed, and the hook portion 32 thereof normally engages with the lower end side surface of the vertically elongated hole 31 to restrain the swinging piece 24. In addition, 33 in the figure is a safe ball discharge passage provided in communication with the discharge port 23;
4 is a safe ball detection sensor.

Next, the operation of the present invention will be explained. The safe balls collected in the safe ball gathering part 12 flow down the safe ball lead-out passage 13 and stop on the bottom surface 14a of the vertical part 14. On the other hand, as the motor 15 is started, the cam 19 rotates in the direction of the arrow in FIG.
engages with the roller 20 of the extrusion body 16 and the extrusion body 16
is pushed against the tension of the tension spring 21 to the position indicated by the chain line in FIG. As a result, the slide portion 16a is guided in the horizontal direction within the guide frame 22, and the tip of the extrusion portion 16b of the extrusion body 16 enters the vertical portion 14, and the bottom surface 14a
Push out the upper safe ball to the discharge port 23. At the same time, the safe ball contacts the locking piece 29 and rotates it upward, releasing the locking of the swinging piece 24 by the hook 32, and pushing the swinging piece 24, causing it to swing as shown by the chain line in FIG. do. Therefore, the vertical rod 28 rises and pushes up the operating rod 8 of the prize ball discharging device 3, causing the discharging actuating body 7 to move upward, lowering the tip of the upper valve 5 and opening the upper end of the fixed case portion 4. At the same time, the lower valve 6 is opened to release a fixed number of prize balls in the fixed case part 4 into the prize ball discharge gutter 11.

Then, when the cam 19 rotates and its blade 18 separates from the roller 20, the extruded body 16 is moved by the tension spring 21.
It returns to its original position (solid line position in Figure 5). Moreover, when the safe balls are discharged into the safe ball discharge passage 33, the swinging piece 24 and the locking piece 29 return to the solid line position in FIG.
to restrain. In addition, the operating rod 8 of the prize ball release device 3
is returned to its original position, and the discharge actuating body 7 is lowered to lock the lower valve 6 in a position where the lower end opening of the fixed case portion 4 is closed.

As described above, according to the present invention, the extrusion body 16 is caused to perform reciprocating linear motion in the horizontal direction by the rotation of the cam 19 fixed to the motor shaft 17 of the motor 15, and the extrusion part 16b is moved vertically into the safe ball deriving passage 13. Part 14
the safe ball on the bottom surface 14a through the discharge port 2.
3 to the safe ball discharging passage 33, and at the same time actuating the prize ball discharging device 3 to continuously discharge a fixed number of prize balls.

[Effect of idea]

As described above, the safe ball discharge processing device for a pachinko machine of the present invention provides the following effects.

a By adopting a configuration in which a cam having multiple blades is fixed to the motor shaft of the motor, the blades cause the extruder to perform reciprocating linear motion in the horizontal direction, and the safe balls are discharged into the safe ball discharge passage. Since a plurality of safe balls can be discharged by the rotation of the motor, speeding up of the prize ball discharging operation is achieved.

b The extruded body supported within the guide frame is formed in a horizontal T-shape and only contacts the upper and lower ends of the slide part, so the contact area with the guide frame is small, and there is no need to consider friction loss. The machine can withstand long-term use without any damage, and has no adverse effect on the operating cost or durability of the pachinko machine.

c The extrusion part of the extrusion body is perpendicular to the vertical part of the safe ball delivery path and always pushes the safe balls on the bottom in a straight line from the right side, so the ball load applied by the safe balls connected at the top is reduced. The safe balls can be pushed out smoothly to the discharge port, and as a reaction, no excessive load is applied to the pushing body or the motor, resulting in stable operation and long-term use.

d) As for the mechanism for sending out the safe balls, the extrusion body is made to reciprocate in a straight line in the horizontal direction, so it can be formed compactly in a narrow space compared to the conventional mechanism that rotates around an axis.
The vacant part can be used for assembling other parts, which is advantageous in terms of design and manufacturing, and is highly practical.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention; Fig. 1 is a back view of the pachinko machine, Fig. 2 is a perspective view of the main parts, Fig. 3 is an exploded perspective view, and Fig. 4 is a perspective view of the prize ball discharging device. 5 is a front view of the main part with a partial cross section to explain the operation, FIG. 6 is a perspective view of the first conventional device, and FIG. 7 is a perspective view of the second conventional device. FIG. 3 is a front view of main parts for explaining the action. 3...Prize ball release device, 12...Safe ball collection section, 13...Safe ball lead-out passage, 14...Vertical section, 14a...Bottom surface, 15...Motor, 16...
Extrusion body, 16a...Slide part, 16b...Extrusion part, 17...Motor shaft, 18...Blade, 19...
Cam, 20...Roller, 21...Tension spring, 24
...Rocking piece, 25...Shaft, 26...Ball contact part, 2
7... Connecting arm, 28... Vertical rod, 33... Safe ball discharge passage.

Claims (1)

[Claims for Utility Model Registration] A safe ball lead-out passage provided in communication with the exit of the safe ball collection part, whose lower part is formed as a vertical part, and a bottom surface is provided at the lower end thereof, and one side outside the vertical part. It is formed into a horizontal T-shape by a cam fixed to the motor shaft of the motor, a vertical sliding part and an extruded part extending perpendicularly toward the vertical part, and has an outer surface that engages and disengages with the cam. an extrusion body having a roller attached thereto, the extrusion body being always biased by a tension spring so that the tip of the extrusion part is located outside the vertical part; a discharge port provided on the other side of the vertical part; a rocking piece disposed opposite to the extruded body on the other side of the body, the upper end of which is rotatably supported by a shaft; the cam includes a plurality of blades; The cam engages with the blade of the cam and moves linearly in the lateral direction against the tension spring, and as it moves back and forth, the extrusion part pushes out the safe balls on the bottom from the discharge port to the safe ball discharge passage. The rocking piece is connected to a ball contacting part which is opposed to the ball so as to block the discharge port and is pressed by the safe balls pushed out to the safe ball discharge passage, and to the prize ball discharging device via the vertical rod, and is connected to the prize ball discharging device by swinging. A safe ball discharge processing device for a pachinko machine, comprising a connecting arm for operating a prize ball discharge device.