JPH0258948B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention comprises horizontally rotating a prize ball ejection control rod whose lower end is supported by a pivot bearing in conjunction with a known operating mechanism operated by winning balls. A prize ball discharge control device for a pachinko machine in which prize balls are discharged and filled by alternately moving valve pieces of an upper valve body and a lower valve body provided in the prize ball storage chamber into and out of the prize ball storage chamber. It is related to.

In conventional pachinko machines, an on-off valve is pivotally supported at the outlet of the prize ball storage chamber, an operating lever is allowed to freely come into contact with this on-off valve, and the operating lever is linked to a link motion activated by winning balls. The ejection of prize balls is controlled by rotating the on-off valve to a locking or releasing position. However, according to such conventional methods, the weight of the balls stored in the prize ball storage chamber is constantly applied to the on-off valve, which not only makes it impossible to smoothly release the lock of the operating lever, but also prevents the link motion. Since it also requires a large amount of force, it becomes large-scale and wide, and often makes it difficult to assemble other back parts.

In addition, the amount of prize balls accommodated in the prize ball storage chamber is determined to be a fixed number, and the number of prize balls to be discharged cannot be arbitrarily changed.

SUMMARY OF THE INVENTION It is an object of the present invention to eliminate the above-mentioned drawbacks and to provide a device that can smoothly and reliably control the ejection of prize balls with a small force.

Another object of the present invention is to provide a prize ball discharge control device that can easily change the fixed number of prize balls.

An embodiment of the present invention will be described below with reference to the drawings. In the figure, the upper ends of 1 and 1' communicate with two-way prize ball introducing portions 2 and 2' into which the prize ball a flows, respectively;
The prize ball storage chambers have a predetermined length and are arranged on both the left and right sides at appropriate intervals, and are formed into a straight cylinder shape in which the prize balls a are lined up vertically in a row, and the lower end is open and flows into the prize ball discharge gutter 3. They are configured as prize ball deriving parts 4, 4' that communicate with each other. A plurality of through grooves 5, 5... are bored in the vertical direction in the peripheral wall near the prize ball outlet portions 4, 4' of the prize ball storage chambers 1, 1' across the inner and front surfaces facing each other. There is. The mutual interval in the vertical direction of the through grooves 5, 5, .

Reference numeral 6 denotes a prize ball ejection control rod arranged vertically within the opposing interval between the prize ball storage chambers 1 and 1'. It is inserted into a bearing sleeve 12 fitted into a recess 11 of a support wall 10 and supported so as to be horizontally rotatable. The prize ball discharge control rod 6 includes an upper valve element 14 having horizontal valve pieces 13, 13' that go in and out of the prize ball introduction parts 2, 2', and a horizontal valve that goes in and out of the through grooves 5, 5... and a lower valve body 16 having pieces 15, 15'.
The upper valve body 14 is supported horizontally rotatably by inserting a shaft 37 into the bearing sleeve 12. In addition, screw holes 17 are provided at equal intervals in the vertical direction on the front part of the prize ball discharge control rod 6.
17... and a large number of positioning protrusions 18, 18... are provided, and the lower valve body 16 is provided with its through hole 19.
is fitted into the protrusion 18, the attachment position is selected correctly, and the screws 21, 21 are screwed into the screw holes 17, 17 from the screw insertion holes 20, 20 and tightened, thereby allowing the screws to be detachably attached. The protrusion 18 is connected to the valve piece 15,1
The mounting position of the lower valve body 16 can be easily set so that the valve 5' can enter and exit correctly into the through grooves 5, 5..., and by selecting the mounting position of the lower valve body 16, the prize ball storage chamber 1 , 1' to be ejected is determined. 22 is a lid member disposed on the front part of the prize ball ejection control rod 6 and for holding the prize ball discharge control rod 6 in a detachable manner;
As shown in FIG. 5, a convex portion 2 that presses the bearing sleeve 12
3, one end of which is latched to a side wall provided on the outside of the prize ball storage chambers 1, 1', and the other end is latched to a latching claw 24 formed on an extension of the side wall so as to be detachable. Installed. Further, the pivot bearing 8 which pivotally supports the lower end of the prize ball ejection control rod 6 is held so as not to come off by a presser piece 26 whose one end is fixed with a screw 25, as shown in FIG. And these lid members 2
2 and the holding piece 26, the prize ball discharge control rod 6 can be easily removed.

The upper valve body 14 is provided with an arm 28 having a through hole 27 as shown in FIG.
The bent end of a horizontal rod 30, which is pivotally connected to one end of an approximately dogleg-shaped upper connecting link 29 bent downward, protrudes from above. The upper connecting link 29 is swingably supported approximately at the center by a shaft 31, and the other end is pivotally connected to the upper end of a vertical rod 32 of a known operating mechanism operated by a winning ball. Also, vertical rod 3
One end of a substantially dogleg-shaped lower connecting link 33 that bends upward is pivotally attached to the lower end of 2. This lower connecting link 33 is pivotally supported at approximately the center by a shaft 34, and the bent end of a horizontal rod 35 pivoted at the other end is attached upward to a ring member 36 attached to the back side of the prize ball discharge control rod 6. It is being rushed in from. In addition, when the vertical rod 32 is in the lowered position, the upper valve element 14 and the lower valve element 16 are connected to each other at the same time that the valve pieces 13, 13' of the upper valve element 14 exit from the prize ball introduction parts 2, 2'. 1
When the valve pieces 15, 15' of No. 6 enter the prize ball outlet parts 4, 4' and the vertical rod 32 rises, the valve pieces 1 of the upper valve body 14
The prize ball introduction parts 2, 2' are arranged so that the valve pieces 15, 15' of the lower valve body 16 exit from the prize ball introduction parts 4, 4' at the same time that the valve pieces 15, 15' of the lower valve body 16 enter the prize ball introduction parts 2, 2'. and the prize ball leading-out portions 4, 4' alternately.

Next, to explain the operation of the present invention, when no winning ball is generated and the vertical rod 32 is descending as shown by the solid line in FIG. 2, the valve pieces 15 and 15' of the lower valve body 16 are As shown by the solid line, the valve pieces 13, 1 of the upper valve body 14 are positioned to protrude into the prize ball outlet portions 4, 4' to prevent the prize balls a in the prize ball storage chambers 1, 1' from falling.
3' is moved out of the prize ball introduction parts 2, 2' as shown by the solid line in FIG. 4, so that the prize ball introduction parts 2, 2' and the prize ball storage chambers 1, 1' are in communication.

In this state, when the vertical rod 32 moves upward due to the occurrence of a winning ball, the upper connecting link 29 swings upward as shown by the chain line in FIG.
4 horizontally in the direction of the arrow in FIG.
13' is inserted into the prize ball introducing portions 2, 2' as shown by the chain lines in the figure to prevent prize balls from flowing into the prize ball storage chambers 1, 1'. At the same time, the lower connecting link 33
swings downward as shown by the chain line in FIG. 2 and pushes the horizontal rod 35 to horizontally rotate the prize ball ejection control rod 6 in the direction of the arrow in FIG. As a result, the valve pieces 15, 15' of the lower valve body 16 exit from the prize ball outlet portions 4, 4' as shown by the chain lines in the figure, and the prize balls a in the prize ball storage chambers 1, 1' are discharged. Discharge into gutter 3.

Subsequently, when the vertical rod 32 moves downward and returns to the position shown by the solid line in FIG. Valve piece 1 to return to the position indicated by the solid line in the figure.
Prize ball a that was prevented from flowing down by 3,13'
flows into the prize ball storage chambers 1, 1'. At the same time, the lower connecting link 33 pulls the horizontal rod 35 to horizontally rotate the lower valve body 16 in the direction opposite to the arrow direction in FIG. 6 and return it to the position indicated by the solid line in the figure. Preparation is made for the next prize ball ejection operation by preventing the prize balls a flowing into the holes 1 and 1' from flowing down.

As explained above, the present invention horizontally rotates the upper valve body 14 and the lower valve body 16 of the prize ball discharge control rod 6 in conjunction with the vertical rod 32 activated by winning balls to discharge and fill prize balls. Since the lower end of the prize ball ejection control rod 6 is pivotally supported by a pivot bearing 8, the prize ball ejection can be controlled with a smaller force than ever before. And it can be done easily. Further, compared to the conventional lever movement using a link motion, the movement is much smaller and a large installation space is not required, making it extremely convenient for assembling other back parts.

In addition, the number of prize balls to be discharged in the prize ball storage chambers 1, 1' can be easily adjusted by arbitrarily changing the attachment position of the lower valve body 16 to the upper or lower position. It has extremely high practical value.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention, in which Fig. 1 is a front view, Fig. 2 is a partially sectional front view, Fig. 3 is a central longitudinal side view, and Fig. 4 is Fig. 1A. -A sectional view, Figure 5 is a sectional view taken along line B-B in Figure 1, Figure 6 is a sectional view taken along line C-C in Figure 1, and Figure 7 is a sectional view taken along Figure 1 D-D.
FIG. 1, 1'... Prize ball storage chamber, 2, 2'... Prize ball introduction part, 4, 4'... Prize ball lead-out part, 5... Transmission groove, 6...
...Ball ejection control rod, 8...Pivot bearing, 13,
13'... Valve piece, 14... Upper valve body, 15,1
5'...Valve piece, 16...Lower valve body, 18...Protrusion for positioning, 19...Through hole.

Claims (1)

[Claims] 1 A straight cylindrical prize ball storage chamber in which a predetermined number of prize balls are lined up vertically in a row, the lower end of which is horizontally rotatably supported by a pivot bearing, and a plurality of positioning protrusions are formed at equal intervals in the vertical direction. The prize ball reservoir consists of a prize ball discharge control rod, and the prize ball storage chamber is provided with a plurality of horizontal grooves in the vertical direction at intervals approximately equal to the diameter of the prize balls on the peripheral wall near the prize ball outlet. is provided with an upper valve body which is horizontally rotatable and has a valve piece that goes in and out of the prize ball introduction part of the prize ball storage chamber at the upper end, and at the lower end that goes in and out of the through hole and the through groove that fit into the positioning protrusion. A lower valve element having a valve piece is detachably attached with a screw, and an operating mechanism operated by a winning ball horizontally rotates the upper valve element and lower valve element, and each valve element is inserted into the prize ball storage chamber. A prize ball discharge control device for a pachinko machine which controls the discharge of prize balls by alternately going in and out of the machine.