JPH09103565A - Pachinko machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simplify assembling and, at the same time, improve workability by reducing the number of parts of a back mechanism for a pachinko machine. SOLUTION: In a pachinko (Japanese pinball game) machine formed by mounting a ball removal device 14 on a curved rail 5 in the back of a mechanism board, a switch box (an electrical detection means) 28 for detecting upward rotating operation of a movable bottom board 12 is provided in the lower part of the movable bottom board 12 of the ball removal device 14 so that the ball removal device 14 can execute both ball removing function and ball running-out detection function.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pachinko machine that simplifies the back mechanism by reducing the number of back parts mounted on the back surface of the mechanism plate.

[0002]

2. Description of the Related Art Conventionally, a tank rail is provided below a prize ball tank on the back surface of a mechanism plate. As shown in FIG. 7, a curve rail 102 is provided at the lower end of the tank rail 101, and a prize ball payout device 103 is provided downstream thereof. Are connected, and the pachinko balls that flow down with the tank rails 101 aligned are guided to the prize ball dispensing device 103 via the curve rails 102. Then, a ball removing device 107 having a movable bottom plate 105 and an engaging lever 106 as a pair is installed in a ball removing port 104 formed on the bottom surface of the ball passage of the curve rail 102, and on one side wall of the curve rail 102. In the opened opening 108, a movable piece 109 that functions as a sensor,
An out-of-ball detecting device 111, which is composed of a switch box 110 that is turned on by pressing the movable piece 109, is installed.

[0003]

As described above, the ball removing device 107 and the ball breakage detecting device 111 are mounted on the curved rail 102.
Since and are installed separately, the ball outlet 104
In addition to the above, another opening 108 is provided, and further, the movable piece 109 is pivotally supported in this opening 108 and the switch box 110 is installed. In addition to the structure of the curve rail 102 itself becoming complicated, a large number of parts are required. Was there. These back mechanisms are extremely complicated, and it is the current situation that it is not possible to meet the purpose of simplifying the assembly as much as possible to improve workability.

Therefore, the present invention has been made in view of the above problems, and an object of the present invention is to eliminate the need for a ball breakage detection device by adding a ball breakage detection function to the ball punching device, thereby reducing the number of parts. By reducing the number, the structure of the curve rail is simplified, and by extension, the assembly is simplified and the workability is improved.

[0005]

In order to achieve such an object, a pachinko machine according to the present invention has a movable bottom plate axially mounted facing a ball outlet provided in a ball passage of a curve rail, and an engaging lever. When the engagement with is released, the ball weight of the pachinko ball that rides on its upper surface rotates downward to open the ball outlet, and when there is no pachinko ball on the upper surface, it can rotate upward. The operation is detected by the electrical detection means, and the signal is sent to the winning ball processing device to stop the processing operation. In this way, by adding the ball breakage detecting function to the ball removing device, the conventional ball breakage detecting device becomes unnecessary, and the number of parts is reduced, and the assembling is simplified and the workability is improved.

[0006]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of a pachinko machine according to the present invention will be described below with reference to the drawings. FIG. 1 is a rear view of a pachinko machine, in which 1 is a game board, 2 is a mechanism plate which is arranged on the rear surface of the game board so as to be openable and closable, and 3 is a prize ball tank mounted above the back surface of the mechanism board 2. Reference numeral 4 denotes a tank rail provided below the prize ball tank 3, and reference numeral 5 denotes a curve rail connected to the lower end of the tank rail 4, to which a prize ball payout device 6 is connected.

FIG. 2 is a perspective view of the curve rail 5. The curve rail 5 is divided between the outer plate 7 and the back plate 8 by the partition plate 9 to divide the first ball flow path 10 and the second ball flow. The ball removing device 1 is provided with two ball passages of the passage 11, and each of the ball passages 10, 11 has a movable bottom plate 12 and an engaging lever 13 as a pair.
4, 14 are installed.

The movable bottom plate 12 has a first structure as shown in FIG.
-Ball removal port 1 formed on the bottom surface of the second ball channels 10 and 11
5, a pivot portion 16 is provided at a bent portion that bends in a dogleg shape, and small-diameter shafts 17 projecting from both ends of the pivot portion 16 are provided in the outer plate 7 and the back plate 8 of the ball outlet 15. It is located on the upstream side and is pivotally supported. The movable bottom plate 12 pivotally attached to the curved rail 5 is provided so as to rotate downward due to the weight of the ball on the upper surface of the movable bottom plate 12 to open the ball outlet 15. Further, when the weight 19 is inserted into the engaging claw piece portion 18 and released from the weight of the ball, the weight 19 acts to move upward to rotate between the first and second ball passages 10 and 11. To be able to intervene.

The engaging lever 13 has a shaft portion 20 provided at a lower end thereof axially supported by an overhanging plate portion 21 provided on the back plate 8, has a vertically elongated hole 22 penetrating in the front-rear direction, and has one side. An engaging projection 23 that engages with the engaging claw piece 18 of the movable bottom plate 12 is provided. Reference numeral 24 is an operating plate for attaching the vertical support shaft 25 provided at one end to the back side of the game board mounting frame.
Is horizontally rotatable about a vertical shaft 25 as a fulcrum, and a connecting pin 26 provided near the front end of the front face is inserted and connected to the vertically long hole 22 of the engaging lever 13. Although illustration is omitted, a through hole is provided in the game board mounting frame so as to correspond to the operating plate 24, and a pin or the like is inserted from the front side of the pachinko machine through the through hole to push the operating plate 24. I am trying to do it. A switch box 28 having a connector 27 on the upper surface is arranged below the movable bottom plate 12, and the contact protrusion 29 of the movable bottom plate 12 is connected to the connector 27.
It comes in contact with.

FIG. 6 shows a winning ball processing device 30 provided below the mechanism plate 2. The winning ball processing device 30 has a winning ball discharging passage 31 through which a winning ball flows down and a plunger around which a spring 32 is wound. A solenoid 34, which moves up and down in response to excitation and demagnetization, is axially supported so as to face the winning ball discharge passage 31, and the tip of the plunger 33 is connected to the ball feeding member 3 which reciprocally rotates by the vertical movement of the plunger 33.
And 5. Then, along with the vertical movement of the plunger 33 due to the excitation / demagnetization of the solenoid 34, the prize balls are detected one by one by the detector 36 and are received by the ball feeding member 35 and discharged downward. The solenoid 3
4 is electrically connected to the switch box 28.

Then, in the normal state, as shown in FIG. 3, the engaging claw piece portion 18 engages with the locking projection portion 23 of the engaging lever 13, and the movable bottom plate 12 closes the ball removing port 15, so that The prize balls in the two-ball flow paths 10 and 11 are sequentially sent to the prize ball dispensing device 6. At this time, the contact protrusion 29 is connected to the connector 27.
The switch box 28 is turned off.

To remove the prize ball from the prize ball tank 3, the operating plate 24 is pushed from the front of the pachinko machine with a pin or the like as shown in FIG. As a result, the operating plate 24 becomes the vertical support shaft 25.
And the connecting lever 26 moves in the horizontal direction at the same time, the engaging lever 13 tilts, and the engagement projection 23 and the engaging claw piece 18 of the movable bottom plate 12 are disengaged. As a result, the movable bottom plate 12 is brought into a free state, and the weight of the ball on the upper surface pivots downward about the pivot portion 16 as a fulcrum to open the ball extracting port 15 and drop the prize ball into the ball extracting trough 37. After the ball is removed, the movable bottom plate 12 automatically returns to the position where it closes the ball outlet 15 by the weight of the weight 19, and the engaging claw piece 18
Are engaged and restrained with the locking projections 23.

During operation of the pachinko machine, the first
When the prize ball is interrupted due to a ball clogging in one of the two ball passages 10 and 11, the movable bottom plate 12 that does not receive the ball load is supported by the weight of the weight 19 on the pivot portion 16 as a fulcrum as shown in FIG. When the switch box 28 is turned on, the contact projection 29 protruding from the lower end of the movable bottom plate 12 presses the connector 27 of the switch box 28 by turning upward and intervening in the first and second ball passages 10 and 11. The solenoid 34 of the winning ball processing device 30 is demagnetized by the signal, and the discharge of the winning ball is stopped. And the prize ball is the 1st and 2nd ball passage 1
When flowing into 0 and 11, the movable bottom plate 12 is returned to the original position by the ball pressure, the solenoid 34 is excited again, and the winning ball is discharged.

In the present embodiment, the connector 27 serves as means for electrically detecting the upward rotation of the movable bottom plate 12.
Although the switch box 28 having the above is used, the present invention is not limited to this, and for example, an optical sensor or the like may be used.

[0015]

As described above, according to the present invention, since the ball removing device is provided with the electric detecting means for detecting the upward pivoting movement of the movable bottom plate, the ball removing device and the ball removing function are provided. The disconnection detecting function can be performed together, and it is not necessary to separately provide each device as in the conventional case. Therefore, it is possible to reduce the number of parts of the back part of the mechanism plate, which simplifies the assembling, improves the work efficiency, and eventually reduces the production cost.

[Brief description of the drawings]

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

FIG. 2 is a perspective view of a curved rail of the present invention.

FIG. 3 is a cross-sectional view of an essential part showing the curved rail of the present invention installed on the back surface of a mechanism plate.

FIG. 4 is a cross-sectional view of essential parts in a state where the movable bottom plate opens the ball outlet.

FIG. 5 is a cross-sectional view of a main part in a state where the same ball break detection device detects a ball break.

FIG. 6 is a sectional view of a winning ball processing device.

FIG. 7 is a cross-sectional view of an essential part showing a conventional curved rail installed on the back surface of a mechanism plate.

[Explanation of symbols]

 2 Mechanism plate 5 Curved rails 8 and 11 Ball channel 12 Movable bottom plate 13 Engagement lever 14 Ball removal device 15 Ball removal port 28 Switch box (electrical detection means)

Claims (1)

[Claims] 1. A ball removing device having a pair of a movable bottom plate and an engaging lever that engages with the movable bottom plate is mounted on a curved rail on the back surface of the mechanism plate, and the movable bottom plate is provided on the bottom surface of the spherical flow path of the curved rail. In a pachinko machine which is pivotally attached so as to face the ball outlet and is rotated downward by the ball weight of the pachinko ball that rides on the upper surface when the engagement lever is disengaged to open the ball outlet, A pachinko machine characterized in that an electric detecting means for detecting the movement of the movable bottom plate is provided so that the movable bottom plate can be rotated upward to intervene in the ball passage when there is no pachinko ball on the upper surface.