JPH06277337A - Touch switch handle for shooting ball of pachinko machine - Google Patents

Abstract

PURPOSE:To provide a sufficient room for positioning parts on the back side of a pachinko machine as well as to reduce the possibility of taking noises and generation of operation mistake by installing in a handle a printed circuit board of a touch switch circuit, thereby reducing wiring for detecting touch. CONSTITUTION:A cup-like gripping part 36 is fixed at the front side of a pachinko machine while an annular lever 37 on the outer circumference of which a finger hook piece 57 and at the center of which a spindle 48 is fixed is inserted in the gripping part 36 and is supported so as to turn freely. Through the turning operation of the lever 37 the force of a spring 18 for shooting pachinko balls is controlled, and a printed circuit board 62 on which a touch switch circuit is formed is fixed to the front side of a disk-like mounting plate 38. On the circumference of the plate 38 a conductive touch plate 39 is arranged, while a connection member formed at the grip part 36 is loosely fitted in a circular hole at the lever 37, and a cap 40 for covering the board 62 is fixed to the plate 38.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of a touch switch handle for launching a hit ball in an electric launch type pachinko machine.

[0002]

2. Description of the Related Art An electric pachinko machine in which a touch sensor is operated by gripping a handle protruding from the front of a pachinko machine to rotate a motor and a mallet is repeatedly moved to launch a pachinko ball is known. ing. The touch switch circuit conventionally used in this type of electric pachinko machine is provided with a conductive touch portion on the handle, and when the player holds the handle with his / her hand, the touch portion is grounded and the oscillation circuit oscillates. It is configured such that the motor is stopped and the contactless switch is turned on by the electric signal to turn on the motor.

[0003]

By the way, in the conventional pachinko machine, the printed circuit board constituting the touch switch circuit is provided in a plastic case in the vicinity of the hitting ball firing motor on the back side of the pachinko machine. It was

However, since a large number of complicated functional parts in a pachinko machine are complicated near the hitting ball firing motor, there is a problem that a malfunction is likely to occur due to electrical noise in addition to the lack of a mounting space. there were.

Further, if a touch switch circuit is provided on the back side of the pachinko machine as in the conventional case, the lead wire for touch detection must be wired from the back side of the pachinko machine to the inside of the handle on the front side of the pachinko machine through the handle shaft. Since the lead wire is inevitably long, there is a problem that it is more susceptible to disturbance.

[0006]

The touch switch handle for hitting a ball of a pachinko machine according to the present invention is intended to solve the above-mentioned problems. A bowl-shaped grip is fixedly provided on the front surface of the pachinko machine, and a finger is provided on the outer periphery. An annular operating lever having a hanging piece formed and a main shaft fixed to the center is rotatably supported by inserting the main shaft into the grip portion, and the elastic force of a pachinko ball striking spring is generated by the rotation of the operating lever. And a printed circuit board on which a touch switch circuit is formed is fixed to the front surface of a disc-shaped mounting plate, and a conductive touch plate is provided on the outer periphery of the mounting plate. The formed connecting member is loosely fitted in the arcuate hole formed in the operation lever, the mounting plate is fixed to the tip of the connecting member, and the cap covering the printed circuit board is fixed to the mounting plate. Is characterized by It is intended.

[0007]

By providing the printed circuit board of the touch switch circuit in the handle, the wiring for touch detection can be shortened, so that the possibility of malfunction due to disturbance is reduced and the space in the handle is effectively used to enable pachinko machines. The arrangement of various functional parts on the back side becomes wide.

[0008]

An embodiment of the present invention will be described with reference to the drawings.
In the figure, 1 is a front frame of a pachinko machine, 2 is the front frame 1.
It is a mounting board of a hitting ball launching device which is fixed to the mounting window 3 opened at the back side of the front frame 1 with screws 4. A bearing 5 is provided on the mounting substrate 2, and a support shaft 7 of a mallet 6 is rotatably supported by the bearing 5. Reference numeral 8 is a low-speed rotation motor fixed to the mounting substrate 2 with screws 9, and a cam 11 is fixed to a rotation shaft 10 of the motor 8. A swing piece 12 capable of engaging with the cam 11 is fixed to the support shaft 7. Numerals 13 and 14 are stoppers fixed to the mounting substrate 2 for limiting the repetitive rotation range of the mallet 6, 15 is a spring-like hitting piece for hitting a ball fixed to the tip of the mallet 6, and 16 is a screw on the mallet 6. An interlocking rod fixed at 17 for operating a hitting ball supply device (not shown) to supply one hitting ball onto a firing rail (not shown), 18 is one end of the hammer 6 via a pin 19 Is a tension-type pachinko ball striking spring which is fixedly attached and biases the mallet 6.

The other end of the spring 18 is fixed to the engaging piece 21 of the tension adjuster 20 via a pin 33. In the tension adjuster 20, a gear 23 is rotatably supported by a support shaft 34, an engaging piece 21 and a knob 22 are fixed to the gear 23, and a gear 24 meshing with the gear 23 is supported. It is fixed to the shaft 25. The pulley 26 is attached to the other end of the support shaft 25.
Wire 27 having one end fixed to the pulley 26
Is fixed to the pulley 29 via the pulley 28. Thirty
Is a small case fixed to the front surface of the mounting substrate 2 for rotatably supporting the pulleys 28 and 29, and a bearing cylinder 31 is integrally provided on the front surface of the small case 30 so as to project. Reference numeral 32 denotes an 8P connector fixedly provided on one side of the bearing cylinder 31, and a vinyl wire connected to the low speed rotation motor 8 and the power supply terminal 35 is wired to the connector 32.

Next, the structure of the touch switch handle provided on the front surface of the pachinko machine will be described with reference to FIG. The touch switch handle includes a plastic gripper 36, a plastic operating lever 37 having a main shaft 48, a disc-shaped plastic mounting plate 38, and a semi-circular conductive plate. A touch plate 39 made of a transparent metal plate and a hemispherical shell-shaped plastic cap 40.

A cylindrical base portion 41 is formed at the center of the grip portion 36, and the bearing cylinder 31 is fitted to the cylindrical base portion 41 and a screw 42 is tightened so that the grip portion 36 can be fixed to the front surface of the pachinko machine. The micro switch 4 is provided in the grip portion 36.
3 is fixed, and a swing member 44 for operating the micro switch 43 is swingably supported by a screw 45. The rocking member 44 has a push button portion 46 at one end thereof
A contact piece 47 is formed at the other end of the contact lever 47 so as to project to the outer periphery of the contact piece 6, and the contact piece 47 can engage with a part of an operation lever 37 described later. Further, 50 is a cylindrical connecting member integrally formed in the grip 36, and 51 is a stopper integrally fixed to the grip 36 by a screw 52 and having a cross-section mayu-shaped cylindrical connecting member 53. It is a dressing material.

The operating lever 37 has a main shaft 48 fixed to the center by a C ring 54, arcuate holes 55 and 56 in which the connecting members 50 and 53 can be loosely fitted, and a finger hook 57 on the outer periphery. Are integrally formed. Then, the main shaft 48 is inserted into the through hole 49 of the cylindrical base 41, the tip is connected to the pulley 29, and when the main shaft 48 rotates, the pulley 29 is rotated.
Is driven to rotate. A contact piece 76 that contacts the contact piece 47 is formed on a part of the operation lever 37.

The mounting plate 38 is provided on the rear surface thereof with the connecting member 53.
The connecting shafts 58 and 59 which are fitted to the connecting member 50 and the connecting shaft 60 which is fitted to the connecting member 50 are integrally formed.
A through hole 61 is formed between the nine. 62 is an integrated circuit,
A printed circuit board comprising an oscillation circuit, an amplification circuit, a contactless switch circuit, etc., which is composed of parts such as a diode and a capacitor, forming a touch switch circuit.
Is fixed to the front surface of the mounting plate 38 by a hook piece 63 and a screw 64. Reference numeral 78 is an 8P connector fixed to the printed board 62, and 65 is a variable resistor for fixing the sensitivity of the touch switch circuit, which is also fixed to the printed board 62.

The touch plate 39 is fixed so as to cover substantially the upper half of the outer peripheral edge of the mounting plate 38, and the conductive piece 66 formed integrally with the touch plate 39 is provided on the touch detection portion of the printed circuit board 62. The screws 64 are tightened so that they are electrically connected. Then, the connecting shafts 58 and 59 are fitted to the connecting member 53,
The connecting shaft 60 is fitted to the connecting member 50, and the grip 3
Screws 67 are screwed into the connecting shafts 58, 59 and the connecting shaft 60 from the rear surface of the mounting plate 38 to fix the mounting plate 38 to the grip portion 36.

An engaging piece 6 is integrally formed on the inner surface of the cap 40.
8, a positioning shaft 69 is formed, and by engaging the engaging piece 68 with an engaging hole 70 and a positioning hole 71 formed in the mounting plate 38, the cap 40 covers the printed circuit board 62. It is fixed to 38. In addition, 72 is a screw which is inserted into the cap 40 and screwed to a small piece 73 protruding from the mounting plate 38 in order to further secure the fixation. Further, 74 is a tool insertion hole formed in the cap 40 so as to correspond to the variable resistor 65.

Reference numeral 75 is a cable having connectors at both ends for connecting the connector 32 and the connector 78, and the cable 75 is routed through the connecting member 53 and the through hole 61 into the handle.

In the touch switch handle constructed as described above, when the player touches the touch plate 39 with his / her hand, the touch switch circuit is activated, the low-speed rotation motor 8 is turned on, and the cam 11 is rotated to swing. The piece 12 is driven and the mallet 6 is repeatedly rotated, and the pachinko ball is hit by the elasticity of the hitting spring 18 and is launched onto the game board. Then, when the player adjusts the rotation of the operating lever 37 by putting his / her finger on the finger hooking piece 57 of the operating lever 37, the main shaft 48, the pulley 2
Since the tension of the striking spring 18 is adjusted via the 9, wire 27, pulley 26, gear 24, and engagement piece 21, the elastic force of the mallet 6 is arbitrarily adjusted to adjust the firing of the hit ball.

The low-speed rotation motor 8 can be stopped by pressing the push button portion 46 and actuating the micro switch 43, so that the hit ball can also be fired in a single shot. The sensitivity setting by the variable resistor 65 is adjusted by inserting a driver into the tool insertion hole 74.

[0019]

As described above, since the touch switch handle for launching a hit ball of the pachinko machine of the present invention has the printed circuit board of the touch switch circuit provided in the handle, the touch plate 39 can be directly attached to the printed circuit board. For example, the wiring for touch detection can be shortened, so that the detection unit is less likely to cause noise and the risk of malfunction is reduced.
Moreover, since it is not necessary to provide a printed circuit board case on the back side of the pachinko machine as in the conventional case, there is an advantage that a space can be effectively used and a large amount of room can be provided for the components on the back side of the pachinko machine.

[Brief description of drawings]

FIG. 1 is a vertical cross-sectional view of a touch switch handle for firing a ball of a pachinko machine according to the present invention.

FIG. 2 is a sectional view taken along line XX of FIG.

FIG. 3 is a front perspective view of a hitting ball launching device.

FIG. 4 is a rear perspective view of the hitting ball launching device.

FIG. 5 is an exploded perspective view of a touch switch handle for launching a hit ball.

[Explanation of symbols]

 1 Front Frame 2 Mounting Substrate 6 Mallet 8 Low Speed Rotating Motor 18 Strike Spring 36 Gripping Part 37 Operating Lever 38 Mounting Plate 39 Touch Plate 40 Cap 48 Spindle 50, 53 Connecting Member 55, 56 Arc-Shaped Hole 57 Finger Hook 58, 59 Connection shaft 60 Connection shaft 62 Printed circuit board 65 Variable resistor 74 Tool insertion hole 75 Cable

Claims (2)

[Claims] 1. A pachinko machine has a bowl-shaped gripping portion fixed to the front surface thereof, and an annular operation lever having a finger hook piece formed on the outer periphery and a spindle fixed to the center thereof is inserted through the gripping portion. The rotatably supported so that the elastic force of the pachinko ball striking spring is adjusted by the rotation of the operation lever, and the printed circuit board on which the touch switch circuit is formed is attached to the front surface of the disc-shaped mounting plate. A conductive touch plate is provided on the outer periphery of the mounting plate, and the connecting member formed on the grip portion is loosely fitted into the arcuate hole formed in the operation lever, and the connecting member is attached to the tip of the connecting member. A touch switch handle for hitting ball firing of a pachinko machine, wherein a mounting plate is fixed, and further, a cap covering the printed circuit board is fixed to the mounting plate. 2. The touch switch handle for hitting ball of a pachinko machine according to claim 1, wherein a tool insertion hole facing the variable resistor for sensitivity adjustment of the touch switch circuit is opened in the cap.