JP2000197747A - Ball tank of pachinko game machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To surely eliminate a such an event that a clogging of gathered balls occurs in a ball dropping port and enable them to be flowed out smoothly by providing a ball tank with a ball pressure receiving part restricting the pressure of pachinko balls dropping from the port. SOLUTION: A ball tank 8 is formed in the shape of a planar and substantially rectangular box with its upper surface open, and formed out of a rear wall 15 in contact with a mechanism board, a front wall 16 facing the wall 15, a left side wall 17, a right side wall 18 and a bottom wall 19. The wall 19 of substantially flat surface gradually inclines downward toward the wall 17. A rectangular ball dropping port 20 is opened in correspondence with an upstream end of a tank rail at almost the center of a width in a downstrem end of the wall 19. A ball pressure receiving part 26 may be formed in a ribbed shape of about 3 mm in height with a gap having the size corresponding to 1.5-2 pc. of pachinko balls at a downstream end circumferential edge of the port 20 for enabling passage thereof, thereby restricting the pressure of ball from the opening circumferential edge of the walls 15, 16.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ball tank for storing pachinko balls supplied from a supply path above a pachinko machine and guiding the balls to a pachinko ball dispensing device.

[0002]

2. Description of the Related Art As is well known, a conventional pachinko machine is provided with a base box for controlling game contents of the pachinko machine and a mechanism plate having a window hole in which a rear part of a central role of the game board faces. . And a ball tank for storing pachinko balls is mounted on the upper part of the mechanism plate, a tank rail is provided which is connected to the ball tank and aligns and guides the pachinko balls, and at a downstream end of the tank rail, A pachinko ball payout device that pays out a predetermined number of pachinko balls is connected. Then, the pachinko ball payout device is operated according to the payout signal to pay out a predetermined number of pachinko balls, and accordingly, the pachinko balls flow out of the ball tank to the tank rail.

[0003] For this reason, it is necessary to smoothly let the pachinko balls of the ball tank flow out to the tank rail, and the conventional ball tank is formed in a substantially rectangular box-like shape having an open upper surface.
The bottom wall was inclined to one side, and a ball drop port was formed at the lower portion of the slope, and the rear wall was bulged between the edge of the ball drop port and the rear wall to form a ball collapse portion.

[0004]

By the way, most of the conventional pachinko machines are pachinko machines which are so-called fever machines which discharge a large amount of pachinko balls at a stretch. It was desired to be. However, in a conventional ball tank, a valuable space is taken up by a ball collapse portion in which a rear wall is bulged.

Further, since the pachinko balls supplied to the ball tank go directly to the ball drop port due to the inclination of the bottom wall, the ball pressure of the pachinko balls in the ball tank is concentrated at a stroke at the ball drop port. There is a problem that a ball biting phenomenon occurs at the ball drop opening portion, and the pachinko ball in the ball tank cannot flow out of the ball drop hole.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a ball tank for a pachinko machine capable of effectively relieving a ball pressure applied to a ball drop opening and allowing a pachinko ball in a ball tank to flow smoothly. And Another object of the present invention is to effectively use the space in the ball tank.

[0007]

In order to achieve the above object, a ball tank of a pachinko machine according to the present invention is formed in a substantially rectangular box shape having an open upper surface, and a ball is dropped on an inclined lower portion of a bottom wall. In a ball tank of a pachinko machine having a mouth, a ball pressure receiving portion for regulating the ball pressure of a pachinko ball falling from the ball drop port is provided.

It is preferable that the ball pressure receiving portion is provided at the opening edge of the ball drop opening so as to leave a space for dropping a pachinko ball, and the drop space is preferably about 1.5 to 2 pachinko balls.

It is preferable that the ball pressure receiving portion is formed in a rib shape and is formed to be smaller than the diameter of the pachinko ball.

[0010] The ball pressure receiving portion is preferably provided on a ridge on the bottom wall. The ball pressure receiving portion weakens the flow force of the pachinko ball and changes the flow direction. The ball pressure can be controlled.

It is preferable that a ball pressure receiving portion is provided at an opening edge in the longitudinal direction of the ball drop opening.

It is preferable that the upper surface of the ball pressure receiving portion is inclined differently from the inclination of the bottom wall, so that the ball pressure applied to the ball falling port can be reduced.

The above-mentioned ball pressure receiving portion is formed in a gate-shaped cross section at the opening edge in the longitudinal direction of the ball drop opening, allows the lower surface to pass through the ball, and makes it possible to reduce the height of the tank rail. Can be increased.

Further, the upstream side of the ball pressure receiving portion is inclined toward the front and rear wall side to guide the pachinko ball to the front and rear wall side, so that the ball pressure is reduced and the ball pressure is instantaneously applied to the ball drop opening. It is preferable not to hang.

Further, in a ball tank of a pachinko machine which is formed in a substantially rectangular box shape having a flat top surface with an open top surface and has a ball drop port formed at an inclined lower portion of a bottom wall, a height position of an opening edge of the ball drop port is determined. It is characteristic that it is wrong, and it is good to shift the timing of falling of the pachinko ball so as not to bite the ball.

It is preferable that the bottom wall between the ball drop opening of the ball tank and the front and rear surfaces is formed as an inclined surface facing the ball drop opening, so that the pachinko ball does not stay and the downflow of the pachinko ball is smooth. Further, the bottom wall is preferably formed in a step shape.

[0017]

DESCRIPTION OF THE PREFERRED EMBODIMENTS 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 ball tank according to the present invention. In the figure, 1 is a front frame of a pachinko machine, 2 is a game board detachably attached to the rear surface of the front frame 1, and a winning ball set cover 3 is disposed on the back of the game board 2, A board box 4 is mounted on the back of the winning ball collecting cover 3. The board box 4 houses a circuit board for controlling game contents of the pachinko machine.

Reference numeral 5 denotes a substantially rectangular mechanism plate mounted on the back of the game board 2 and formed of a synthetic resin. This mechanism plate 5
A window hole 7 for opening a rear part of the central box 6 provided in the board box 4 and the game board 2 is provided substantially at the center of the ball box 8 according to the present invention. Is attached. A tank rail 9 for aligning and guiding pachinko balls is provided below the ball tank 8, and a downstream end of the tank rail 9 is connected to a pachinko ball dispensing device 11 via a curve rail 10. . A discharge gutter 12 is formed below the pachinko ball payout device 11 to guide the discharged pachinko balls to a hitting ball supply tray (not shown) on the front surface of the front frame 1. Further, below the window hole 7, there is provided a winning ball discharge processing device 14 for discharging the winning balls collected in the winning ball collecting section 13 one by one.

Next, a specific structure of the ball tank 8 according to the present invention will be described. As shown in FIG. 2, the spherical tank 8 is formed in a substantially rectangular box shape having an open upper surface, and has a rear wall 15 in contact with the mechanism plate 5 and a front wall 1 opposed to the rear wall 15.
6, a left side wall 17, a right side wall 18, and a bottom wall 19. The bottom wall 19 is a substantially flat surface and is gently inclined downward toward the left side wall 17 as shown in FIG. At the downstream end of the bottom wall 19 and substantially at the center of the front and rear width, a rectangular ball drop port 20 corresponding to the upstream end of the tank rail 9 is opened. Further, the ball drop port 20 and the front wall 1
6 is provided with a rectangular opening 21 along the longitudinal direction of the ball tank 8 in the bottom wall 19a, and the ball cut detector 2 is provided in the opening 21.
2 are provided.

FIG. 2 and FIG.
As shown in FIG. 7, a detection plate 23 facing the opening 21 of the ball tank 8 from below, and a mounting member 24 fixed to the back side of the bottom wall 19 of the ball tank 8 by rotatably supporting the rear end of the detection plate 23. When,
A switch 25 that is activated by the rotation of the detection plate 23.

Thus, the ball tank 8 is shown in FIGS.
As shown in the figure, a rib-shaped ball pressure receiving portion 26 is provided on the opening edge on the longitudinal direction side (right side wall side) of the ball drop opening 20. The upstream side of the ball pressure receiving portion 26 is inclined so as to guide the pachinko balls in contact with the bottom wall 19 toward the front wall 16 and the rear wall 15, and the pachinko balls of the ball tank 8 are inserted into the ball falling port 20. The water flows out from the front wall 16 and the rear wall 15. 27 is a guide piece provided at the downstream end of the ball tank 8 for preventing the ball from stopping.

The ball tank 8 constructed as described above is fixed to the mechanism plate 5 by a suitable means such as a screw and the like, as shown in FIGS. 3 and 5, and a pachinko machine (not shown). The pachinko balls supplied from the supply path above are stored. The pachinko balls stored in the ball tank 8 flow down toward the ball drop opening 20 due to the inclination of the bottom wall 19, and the pachinko balls in contact with the bottom wall 19 by the ball pressure receiving portion 26 as shown by arrows in FIG. The flow of the sphere does not fall from the opening edge on the longitudinal direction side (right wall side) of the sphere drop port 20 due to the inclination of the sphere pressure receiving portion 26, and the sphere flows while diverting to the rear wall 15 or the front wall 16 side. It flows out of the falling port 20. At this time, the ball pressure of the pachinko ball flowing down the ball tank 8 is reduced by the ball pressure receiving portion 26, so that the ball pressure is not applied to the ball drop opening 20 at a stretch, the ball pressure is weakened, and the front and rear wall 15, 15 of the ball drop port 20 are reduced. The pachinko balls that fall from the ball drop port 16 and flow out of the ball drop port 20 do not cling to each other in the vicinity of the ball drop port 20 and do not bite the ball. , Pachinko ball dispensing device 11 via curve rail 10
Can be led to.

As shown in FIGS. 6 and 7, the ball pressure receiving portion 26 has about 1.5
3mm height leaving a gap that can pass two pachinko balls
The front and rear wall 1
The ball pressure from the peripheral edges of the openings on the 5th and 16th sides can be regulated. At this time, the ball pressure can be dispersed by setting the upper surface of the ball pressure receiving portion 26 to have a slope reverse to the slope of the bottom wall 19 of the ball tank 8 as shown in FIG.

As shown in FIG. 8, the ball pressure receiving portion 26 is formed so as to surround the ball drop opening 20 while leaving a gap capable of passing about 1.5 pachinko balls around the downstream end periphery of the ball drop opening 20. It is more effective to provide the pachinko ball located at the bottom of the tank rail 9 at the bottom of the tank rail 9 by providing the ball drop opening 20 on the front and rear walls 15, 16 as shown in FIG. Even if it goes inside, the effect of the pachinko ball falling from the ball drop opening 20 is reduced, so that the tank rail 9 can be moved upward. Accordingly, as shown in FIG. 1, the window hole 7 can be enlarged.
As a result, the game content of pachinko machines has become more sophisticated,
Also, the size of the circuit board for controlling the contents of the game and the size thereof can be sufficiently increased even if the size of the base box 4 for accommodating the circuit board increases accordingly.

FIGS. 10 to 12 show another embodiment of the ball pressure receiving portion, in which the upper surface of the ball pressure receiving portion 26 has a slope different from that of the bottom wall 19 and is inclined toward the front and rear walls 15 and 16. The pachinko balls having the shape and stored in the ball tank 8 flow down toward the ball drop opening 20 due to the inclination of the bottom wall 19, and the flow of the pachinko balls on the ball pressure receiving portion 26 as shown by the arrow in FIG. Is the longitudinal side (right side wall) of the ball drop opening 20
Does not fall from the opening edge of the ball pressure receiving portion 26 and basically flows out from the ball falling port 20 while bypassing to the rear wall 15 or the front wall 16 due to the inclination of the upper surface of the ball pressure receiving portion 26. At this time, the ball pressure receiving portion 26
The ball pressure of the pachinko ball on the upstream side of the ball pressure receiving portion 26 flowing down the ball tank 8 is relieved, and the ball
0, the ball pressure is weakened, the ball pressure is weakened, and the ball falls from the front and rear walls 15, 16 of the ball falling port 20, and as a result, the ball falling port 2
The pachinko balls flowing out from 0 cling to each other in the vicinity of the ball drop opening 20 and bite the balls, thereby preventing the balls from becoming jammed.

FIG. 13 shows another embodiment of the ball pressure receiving portion, in which the opening edge on the longitudinal direction side (right side wall side) of the ball falling port 20 has the same inclination direction as the bottom wall 19 and the diameter of the pachinko ball. A ball-pressure receiving portion 26 having a lower cross-section gate is provided.
The pachinko ball can pass through the lower surface of the. Then, by forming the ball pressure receiving portion 26 into a gate shape and allowing the ball to pass,
As well as reducing the ball pressure to the ball drop opening 20, the tank rail 9 can be raised to the position where two pachinko balls can pass with the gap between the lower surface of the ball pressure receiving portion 26 and the window hole 7 as shown in FIG. can do.

FIGS. 14 to 17 show that the upper surface of the ball pressure receiving portion 26 is formed to have an inverted slope with respect to the inclination of the bottom wall 19 and to have a cross-sectional gate shape smaller than the diameter of the pachinko ball.
It is inclined to guide the pachinko ball toward the front wall 16. According to this embodiment, the pachinko ball upstream of the longitudinal opening end of the ball drop opening 20 basically flows upstream due to the inclination of the upper surface of the ball pressure receiving portion 26 as shown by the arrow in FIG. It does not fall from the opening edge on the longitudinal direction side (right side wall side) of the ball drop port 20 and flows out from the ball drop port 20 while bypassing to the rear wall 15 or the front wall 16 side. At this time, the ball pressure of the pachinko ball flowing down the ball tank 8 is reduced by the ball pressure receiving portion 26, so that the ball pressure is not applied to the ball drop opening 20 at a stretch, the ball pressure is weakened, and the front and rear wall 15, 15 of the ball drop port 20 are reduced.
Since the ball rail 9 falls from the side 16 and does not clog the ball at the ball drop opening 20 and allows the ball to pass through the lower surface of the ball pressure receiving portion 26, the tank rail 9 can be moved upward and the window hole 7 is enlarged. be able to.

FIGS. 18 and 19 show another embodiment of the ball tank.
The bottom wall 19a between the front and rear walls 15 and 16
0, and a step 28 is formed at the position where the bottom wall 19 and the bottom wall 19a intersect. The height of the opening edge in the longitudinal direction of the ball drop opening 20 and the height of the opening edges on the front and rear walls 15 and 16 side. By changing the size of the pachinko ball, the ball center of the pachinko ball shifts, the balance of the pachinko ball is lost, and the pachinko ball can flow down smoothly without biting the ball. Further, as shown in FIG. 20, by changing the height of the opening edge of the ball drop opening 20 on the side of the front and rear walls 15 and 16, the timing of the pachinko ball falling from the front and rear direction can be further shifted, so that the ball drop opening can be further improved. Ball clogging at 20 is eliminated. In addition, one bottom wall 1
The same effect can be obtained even if the height of the opening edges on the front and rear walls 15 and 16 side of the ball drop port 20 is changed by making only 9a an inclined surface facing the ball drop port 20.

FIG. 21 shows an embodiment in which a ridge 29 as a ball pressure receiving portion is provided on the bottom wall 19a between the front and rear walls 15, 16. The ridge 29 has a height of about 2 to 3 mm. In addition, the ridges 9 are provided alternately with the ball drop opening 20 interposed therebetween. This weakens the flow of the pachinko balls and changes the flow direction of the pachinko balls as shown by the arrow in FIG.
The ball can be made to flow into the ball drop opening 20 with a weak ball pressure without clogging the ball. Further, as shown in FIGS. 22 and 23, instead of the ridge 29, a concave groove 30 inclined toward the ball falling port 20 may be provided. As shown by an arrow in FIG. It falls from the falling port 20. At this time, as shown in FIG.
Since the height position of the pachinko ball is different between 0 and 0, the falling timing is shifted and the ball biting can be prevented, which is more effective.

Further, as shown in FIG.
Is formed in a step-like shape facing the downstream side, so that the height position at which the ball falls while breaking the ball can be changed. At this time, even if only the lowermost portion of the stepped bottom wall 19a is inclined toward the ball drop opening 20, the entire stepped bottom wall 19a is covered with the ball drop port 2
You may make it incline toward 0.

In the above-described embodiment, the ball passages of the tank rail 9 are described as having two rows. However, three rows may be provided. Good.

[0032]

As apparent from the above description, according to the present invention, the ball tank is provided with a ball pressure receiving portion for regulating the ball pressure of the pachinko ball falling from the ball dropping port, so that the pachinko ball of the ball tank is provided. The ball pressure of the ball can be prevented from being applied to the ball drop opening at a stretch, and the situation where pachinko balls cling to each other at the ball drop port and biting the ball occurs can be reliably eliminated and the ball can smoothly flow out.

Further, the lower surface of the ball pressure receiving portion can pass through the ball, so that the tank rail can be provided above the conventional pachinko machine. As a result, a large window hole is formed to allow the board box and the central role to face. be able to.

Further, the ball center of the pachinko ball is shifted by changing the height position where the pachinko ball falls from the ball drop port, so that the ball biting at the ball drop port can be surely eliminated.

[Brief description of the drawings]

FIG. 1 is a rear view of a pachinko machine.

FIG. 2 is a perspective view of a ball tank according to the embodiment.

FIG. 3 is a plan view of a ball tank mounted on a mechanism plate.

FIG. 4 is a cross-sectional front view of the ball tank part of FIG. 3;

FIG. 5 is a vertical sectional side view of a ball tank portion of FIG. 3;

FIG. 6 is an enlarged plan view of a ball drop opening portion.

FIG. 7 is a vertical sectional side view of FIG. 6;

FIG. 8 is a plan view showing a state in which a ball tank according to another embodiment is mounted on a mechanism plate.

FIG. 9 is a vertical sectional side view of the ball tank portion of FIG. 8;

FIG. 10 is a perspective view of a ball tank according to another embodiment.

11 is a plan view showing a state in which the ball tank of FIG. 10 is attached to a mechanism plate.

FIG. 12 is a cross-sectional front view of the ball tank part of FIG. 10;

FIG. 13 is a cross-sectional front view of a ball tank according to another embodiment.

FIG. 14 is a perspective view of a ball tank according to another embodiment.

FIG. 15 is a plan view showing a state where the ball tank of FIG. 14 is attached to a mechanism plate.

16 is a cross-sectional front view of the ball tank portion of FIG.

FIG. 17 is a vertical sectional side view of the ball tank part of FIG. 15;

FIG. 18 is a plan view of a ball tank according to another embodiment.

FIG. 19 is a longitudinal sectional side view of a ball tank according to another embodiment.

FIG. 20 is a vertical sectional side view of a ball tank according to another embodiment.

FIG. 21 is a plan view of a ball tank according to another embodiment.

FIG. 22 is a plan view of a main part of a ball tank according to another embodiment.

FIG. 23 is a front sectional view of FIG. 22;

FIG. 24 is a front sectional view of a main part of another embodiment.

[Explanation of symbols]

 8 Ball tank 15 Rear wall 16 Front wall 19 Bottom wall 20 Ball drop port 26 Ball pressure receiving part 29 Ridge (ball pressure receiving part) 30 Groove (ball pressure receiving part)

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Masahiro Okumura 3-10-19 Higashinocho Nishi, Kasugai-shi, Aichi F-term (reference) 2C088 BA66 DA09

Claims (5)

[Claims] 1. A ball tank of a pachinko machine, which is formed in a substantially rectangular box shape having a flat top surface with an open upper surface and has a ball drop port formed at an inclined lower portion of a bottom wall, wherein a ball pressure of a pachinko ball falling from the ball drop port is provided. A ball tank for a pachinko machine, which is provided with a ball pressure receiving portion for regulating pressure. 2. The ball tank of a pachinko machine according to claim 1, wherein said ball pressure receiving portion is provided at an opening edge in a longitudinal direction of a ball drop opening. 3. The ball tank of a pachinko machine according to claim 1, wherein an upper surface of the ball pressure receiving portion has an inclination different from an inclination of a bottom wall. 4. The ball tank of a pachinko machine according to claim 2, wherein the ball pressure receiving portion is formed in a gate-shaped cross section so that the lower surface can pass the ball. 5. A ball tank for a pachinko machine, which is formed in a substantially rectangular box shape having a flat top surface with an open top surface and has a ball drop port formed at an inclined lower portion of a bottom wall, wherein a height position of an opening edge of the ball drop port is determined. A ball tank for a pachinko machine that is different.