JP2537217Y2 - Premium ball tank of pachinko machine - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a prize ball tank which is installed on the back of a pachinko machine and stores prize balls paid out each time a winning ball is generated.

[0002]

2. Description of the Related Art Conventionally, a prize ball tank of a pachinko machine is formed in a box shape having an open top surface, and an outlet for flowing a prize ball to a prize ball discharge gutter is formed at one side end of a bottom surface thereof. A ball collapse portion is formed between the rear opening edge of the outlet and the rear wall by bulging the rear wall inward. In addition, a detection plate that swings by the pressing force of the prize ball stored in the prize ball tank is provided on the front portion of the ball collapse portion, and a detection switch that is activated by the swing of the detection plate is provided on the back side, and the prize is provided. It is known that when the prize ball in the ball tank decreases and the detection plate swings, an electric signal is transmitted to supply the prize ball into the prize ball tank (for example, Japanese Utility Model Application Laid-Open No. 58-86171). Gazette).

[0003]

In the conventional prize ball tank, a detection plate for detecting the amount of spheres in the prize ball tank is provided on the front portion of the ball collapse portion. In a state where a considerable amount of prize balls remain, the shortage of balls is detected and replenishment is performed. For this reason, there are always many play balls in the prize ball tank, and it is necessary to increase the amount of pachinko balls held by the entire game store, which is economically wasteful and frequently replenished. There is a problem that it is performed and gives the player trouble.

[0004] Heretofore, there has been known a prize ball tank provided with a detection plate and a detection switch at the bottom of a prize ball lead-out gutter disposed below the outlet of the prize ball tank. Replenishment is performed with the prize balls inside completely empty, so if prize balls are continuously paid out during this time, supply will not be in time and the ball will be out of ball and the game will be interrupted and the game will be interrupted There was a problem of inconvenience to customers. Particularly in recent pachinko machines, when a specific gaming state called a big hit occurs, a large number of prize balls are generated in a short time and a large amount of prize balls are paid out, so that supply of prize balls is in time. There is a possibility that it will disappear, which is not preferable. The present invention has been made in view of the above circumstances, and the purpose is to detect the amount of prize balls in the prize ball tank under optimal conditions and to supply ideal prize balls. To be able to do
And the effectiveness of the mechanism plate attached to the back of the game board
It is an object of the present invention to provide a premium ball tank for a pachinko machine that can be used .

[0005]

In order to achieve the above object, the present invention is directed to an outlet formed in a box shape having an open top and having a prize ball flowing down to a prize ball discharge gutter at one end of the bottom surface. Is formed, and in the prize ball tank in which the rear wall is bulged inward between the rear opening edge of the outlet and the rear wall, and a ball-break portion is formed, the prize ball tank is located immediately before the outlet. A prize ball quantity detection plate is provided on the bottom surface so as to be swingable , and is a space outside the ball collapse portion formed on the rear wall and the empty space.
A detection switch is provided which is activated by swinging of the premium ball quantity detection plate so as not to protrude downward from the space .

[0006]

When the prize balls in the prize ball tank decrease to the outlet portion and become almost empty, the prize ball amount detection plate swings and the detection switch is turned on, and the shortage of the spheres is detected. As a result, the prize ball is replenished in the prize ball tank, and the most ideal replenishment can be performed without causing too many prize balls remaining in the prize ball tank or causing the ball to run out. Becomes In addition, it is provided in the space outside the ball collapse part
The detection switch is connected to the prize ball discharge gutter on the bottom wall of the prize ball tank.
Can be installed close to
Noh.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a rear view of a pachinko machine equipped with a prize ball tank of the present invention, wherein 1 is a mechanism plate mounted on the back of a game board so as to be openable and closable, and 2 is a prize mounted on an upper portion of a mechanism plate 1. The ball tank 3 is provided below the prize ball tank 2, and a prize ball lead-out gutter for guiding the prize balls to the prize ball dispensing device 4 while aligning the prize balls, and 5 is a hitting ball supply tray ( (Not shown) 6
Is a winning ball processing device for discharging winning balls one by one. In the pachinko machine configured as described above, the prize balls stored in the prize ball tank 2 continuously flow down the prize ball outlet gutter 3 and are guided to the prize ball dispensing device 4. Then, the prize ball payout device 4 is operated by the generation of the prize ball, and a predetermined number of prize balls are paid out to the prize ball discharge passage 5 and guided to the hit ball supply tray.

The prize ball tank 2 according to the present invention is formed in a box shape having an open upper surface as shown in FIGS. 2 to 7, and has a rear wall 7 in contact with the rear surface of the mechanism plate 1, and A front wall 8 facing the face wall 7, a left wall 9 and a right wall 10
And a bottom surface 11. At one end of the bottom surface 11 and at substantially the center of the front-rear width, a rectangular outlet 12 corresponding to the upstream end portion of the prize ball outlet gutter 3 is opened.
In addition, a spherical collapse portion 13 is formed between the rear opening edge of the outlet 12 and the rear wall 7. The ball breaking portion 13 is provided to prevent the prize ball from clogging in the outlet 12 portion, and is formed by expanding the rear wall 7 inward, thereby forming the outside of the rear wall 7. An outer space portion 14 having a concave shape is formed at the position. The bottom 11 is connected to the outlet 12 from the other end of the premium ball tank 2.
Is formed as an inclined surface 11a toward the bottom.

Thus, according to the present invention, the inclined surface 1
A prize ball quantity detection plate 15 is provided on the bottom surface 11 located on the downstream side of 1 a and immediately before the outlet 12. The prize ball amount detection plate 15 has a flat plate shape, and an end located on the upstream side of the inclined surface 11 a is swingably mounted on a shaft 16, and a downstream end is opened on the right side of the outlet 12. It is located to coincide with the end. The coil spring 17 wound around the shaft 16 urges the downstream side to always rise. Therefore, the premium ball quantity detection plate 15
When there is a prize ball on the bottom surface 11 as shown in FIG. 6, the downstream side is lowered due to the weight of the sphere, and when the prize ball disappears, the downstream side is raised as shown in FIG.
When the downstream side of the prize ball amount detection plate 15 is lowered, the lower surface thereof is received by the support plate 18.

On the other hand, a detection switch 19 for detecting the amount of spheres stored in the prize ball tank 2 is provided in the outer space 14 of the rear wall 7.
Is provided. In the case of this embodiment, the detection switch 19 uses a microswitch having a normally closed contact,
It is fixed to the outside of the rear wall 7 so as not to project downward from the outside space portion 14 . An arm 20 that protrudes into the outer space 14 is integrally provided on the prize ball amount detection plate 15, and the arm 20 is positioned in contact with the actuator piece 19 a of the detection switch 19. Then, as shown in FIG. 6, when the downstream side of the premium ball detecting plate 15 is lowered and the actuator piece 19a is pressed by the arm 20, the OFF state is maintained, and as shown in FIG. When the side rises and is released from the pressing by the arm 20, it is turned ON to send out a detection signal, and the replenishing device (not shown) is operated by this detection signal to activate the prize ball tank 2
Is supplied with a predetermined number of premium balls. When the prize ball amount detection plate 15 is lowered, the prize ball amount detection plate 15 is received by the support plate 18, so that the swing stroke of the prize ball amount detection plate 15 can be freely set depending on the installation position of the support plate 18. Can be set to Therefore, it is possible to prevent an excessive force from being applied to the actuator piece 19a of the detection switch 19, and it is possible to prevent the detection switch 19 from being damaged. Also, the prize ball amount detection plate 15 can be formed to be large in the width direction of the bottom surface 11 and the shape can be freely selected, whereby the amount of stored spheres in the prize ball tank 2 can be properly detected. It is possible to do. In addition, 21 in the figure is a detection switch for lamp display,
Reference numeral 22 denotes a ball quantity adjusting plate which is capable of arbitrarily changing the ball capacity in the premium ball tank 2 by being fitted into vertical grooves 23 formed inside the rear wall 7 and the front wall 8, respectively. It is. In the present embodiment, the detection switches 19 and 21 are described using micro switches having normally closed contacts. However, the present invention is not limited to this, and switch means having a function of detecting the swing of the premium ball quantity detection plate 15 may be used. I just need. Further, the detection switches 19 and 21 can be used for various purposes other than the ball amount detection or the lamp display.

[0011]

[Effect of the Invention] As described above, the prize ball tank of the present invention has a prize ball quantity detection plate provided on the bottom surface located immediately before the outlet for flowing the prize ball to the prize ball discharge gutter. When the prize ball in the prize ball tank is reduced to the outlet and becomes almost empty, the prize ball amount detection plate swings and detects a shortage of balls. In addition, it is possible to completely eliminate the inconvenience that replenishment is performed with considerable prize balls remaining,
The prize balls stored in the prize ball tank can always be detected under optimal conditions, and the most ideal supply can be performed. The detection switch is a space outside the ball-break portion formed on the rear wall , and projects downward from the space.
Even if the prize ball amount detection plate is provided on the bottom surface of the prize ball tank, the detection switch does not interfere with the installation of the prize ball lead-out gutter, and It can be provided close to the bottom surface. For this reason, it is possible to secure a considerably larger installation space in the center of the back of the game board compared to conventional pachinko machines, and it is possible to install large prize devices and control board boxes without difficulty , making effective use of the mechanism board. The advantage is that

[Brief description of the drawings]

FIG. 1 is a back view of a pachinko machine equipped with a premium ball tank according to the present invention.

FIG. 2 is a perspective view of the premium ball tank of the present invention.

FIG. 3 is a plan view of the premium ball tank of the present invention.

FIG. 4 is a sectional view taken along the line AA of FIG. 3;

FIG. 5 is a sectional view taken along line BB of FIG. 3;

FIG. 6 is an explanatory diagram of an operation when a detection switch is in an OFF state.

FIG. 7 is an explanatory diagram of an operation when a detection switch is in an ON state.

[Explanation of symbols]

 3 prize ball lead-out gutter 7 rear wall 11 bottom surface 12 outflow port 13 crushing part 14 outside space part 15 prize ball quantity detection plate 19 detection switch

Claims (1)

(57) [Scope of request for utility model registration] 1. An outlet which is formed in a box shape having an open top surface and which allows a prize ball to flow down to a prize ball outlet trough at one side end of the bottom surface, and a rear opening edge and a rear wall of the outlet. In the prize ball tank in which the rear wall is bulged inward to form a ball collapse portion, a prize ball amount detection plate is swingably provided on the bottom surface located immediately before the outlet, It is the space outside the collapsed part formed on the rear wall and protrudes downward from that space.
Prize ball tank pachinko, characterized in that a detection switch operated by swinging of the prize balls amount detecting plate for internal.