JP2962444B2 - Axle support structure of operating member in ball punching device 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 support structure of an operating member in a ball removing device for a pachinko machine which facilitates assembly.

[0002]

2. Description of the Related Art Heretofore, the present applicant has devised and filed a ball-pulling device for a pachinko machine, in particular, a ball-pulling device capable of performing ball-pulling by operating the pachinko machine from the front side. For example, a ball punching device according to Japanese Utility Model Laid-Open Publication No. 61-188786 discloses a guiding gutter 10 communicating with a prize ball tank as shown in FIG.
0, the ball opening 101 is opened at the bottom, and the ball opening 1
A movable bottom plate 102 is pivotally attached to the movable bottom plate 102, and the movable bottom plate 102 is provided with its own weight so as to always rotate to a position that closes the ball hole 101, and one end is pivotally supported so as to be rotatable. An engagement lever 103 for holding the movable bottom plate 102 at the above position; and an operating member for pivoting the engagement lever 103 to rotate the engagement lever 103 from the front of the pachinko machine 104 to disengage the movable bottom plate 102. 105 are provided.

The operating member 105 supports a bent portion 109 at a lower end thereof on a horizontal shaft 108 extending across a bearing 107 having a U-shaped cross section projecting to the side of a mechanism plate 106.
8 is urged to rotate forward by a spiral spring 110 wound around.

[0004]

However, when assembling the ball removing device, the spiral spring 110 is exposed.
To mount the lower end of the operating member 105 in the support 107,
With the spiral spring 110 interposed in the bent portion 109 of the operating member 105, one end is locked to the operating member 105 side, and the other end is locked to the support portion 107 side, so that the spiral spring 110 has a restoring force. Since the operating member 105 and the spiral spring 110 are integrally supported on the bearing 107, it is necessary to attach the spiral spring 110 while taking care not to fly the spiral spring 110. However, the insertion of the horizontal shaft 108 could not be performed smoothly.
In addition, there is a problem that if the user gets out of hand, the spiral spring 109 is accidentally detached and flies. In view of the above, the present invention has been made in view of the above-described problems, and in particular, a ball-drawing machine for a pachinko machine that facilitates assembling by allowing a horizontal axis to be smoothly inserted into a spiral spring and preventing the spring from flying carelessly. It is intended to provide a device.

[0005]

In order to achieve the above object, a ball punching device for a pachinko machine according to the present invention is provided with an upright plate-shaped operating member provided on the back side of the pachinko machine, and the operating member is provided with a spiral winding. The ball removal of a pachinko machine, in which the lower end is pivotally supported so as to always tilt forward by the restoring force of a spring, and the ball is released by being actuated by pressing the operating member from the front side of the pachinko machine. In the device, projecting pieces are protrudingly provided on both sides of a lower end of the operating member, a through hole is inserted through each projecting piece, and a support shaft is inserted through the projecting pieces. A housing recess is formed by the surrounding wall that covers the outer periphery between the projecting pieces, and the spiral spring is housed in the housing recess to integrally support the spiral spring.

[0006]

The spiral spring is housed in the housing recess of the operating member.
When the operating member is mounted in the box frame, one end portion is locked to the operating member side and the other end portion is locked to the box frame side, so that the spiral spring has a restoring force and the support shaft through the through hole. To support the operating member in the box frame. As described above, the operating member is pivotally supported while the spiral spring is housed in the storage recess, so that the support shaft can be easily inserted into the spiral spring to simplify the operation, and the hand can be easily wound. Even if the spring comes off, it stays in the storage recess, so that it will not be lost by flying, so that the assembling work can be performed easily and efficiently.

[0007]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exploded perspective view of a ball-spinning device for a pachinko machine according to the present invention. FIG. 1 is a rear view of a pachinko machine, and FIG. 2 is a perspective view of a ball punching device according to the present invention. On the back of the pachinko machine 1, a mechanism plate 3 is disposed so as to cover the entire back of the game board 2, and a prize ball for collecting a prize ball on the lower portion of the front of the mechanism plate 3 opposite to the back of the game board 2. An assembly part 4 is formed. A prize ball passage 5 is formed in which the prize balls are arranged in a line in communication with the exit, and a prize ball passage 5 is formed. At the end of the prize ball passage 6, a prize ball detector 6 and a prize ball are dropped into the discharge passage 7 one by one. A winning ball discharging device including a ball processor 8 and a solenoid 9 is provided.

On the other hand, a prize ball tank 10 for storing a prize ball is provided on the upper rear surface of the mechanism plate 3, and a lead-out gutter 11 for aligning the prize ball and flowing down is provided below the prize ball tank 10. I have. Further, a vertical supply gutter 12 is provided downstream of the outlet gutter 11, and an electric prize ball dispensing device 13 is connected to a lower end of the supply gutter 12. Further, below the electric prize ball dispensing device 13, there is provided a prize ball discharge gutter 14 for guiding the dispensed prize balls to a hit ball supply tray (not shown) in front of the machine.

As shown in FIG. 4 or FIG. 6, the electric prize ball dispensing device 13 is generally constituted by a main body base 15, a driving motor 16, a lead screw 17, and a cover 18. As shown in FIG. 6, two vertical supply passages 19 continuous with the supply gutter 12 are provided on the front surface of the main body base 15.
a, 19b are formed at an interval on the left and right, and the prize ball discharge passages 20a, 20 are provided downstream of the supply passages 19a, 19b.
0b are respectively formed. The drive motor 16
Is mounted at the center of the front surface of the main body base 15 via a motor mounting frame 21, the lead screw 17 is below the drive motor 16 and the supply passages 19a, 1
9b.

As shown in FIG. 6, the lead screw 17 is provided on the outer peripheral surface of the cylindrical body 17a.
A ridge 22 for receiving a state-of-the-art prize ball is spirally formed facing the top of the cylindrical body 17a.
4 and 24 so as to be horizontally rotatable. Then, the rotating shaft 23 protruding above the cylindrical body 17a
A driven gear 27 meshing with a driving gear 26 fixed to the motor shaft 25 is fixed to the tip of the motor shaft 25, whereby the rotation of the motor shaft 25 is transmitted to the lead screw 17. The ridges 22 of the lead screw 17 are so moved that the lead screw 17 makes one rotation, so that the leading edge prize ball of the supply passages 19a, 19b loses support and falls into the discharge passages 20a, 20b. A helical shape is chosen. Also, prize ball detectors 28a, 28b are provided in the discharge passages 20a, 20b, and the rotation of the lead screw 17 causes the discharge passages 20a, 20b.
The prize balls paid out to b are detected one by one.

Each of the discharge passages 20a and 20b merges on the way to form a single discharge passage 20, and as shown in FIG. Reference numeral 30 denotes a passage switching device, as shown in FIG. 2, provided with a ball-pulling solenoid 31 below the electric prize ball dispensing device 13, and a switching lever 32 pivotally mounted at the branch point so as to be rotatable.
The tip of the plunger 33 projecting downward from the ball-pulling solenoid 31 is engaged with the switching lever 32. The switching lever 32 is driven by the ball-pulling solenoid 31 as shown in FIG.
The switching operation is performed between a position where the ball extraction passage 29 is closed by a solid line and a position where the discharge passage 20 is closed by a simultaneous dashed line.

Reference numeral 34 denotes a switch mechanism disposed on the upper portion of the back surface of the game board 2 and forming a part of a ball punching device. When the switch mechanism 34 is turned on, the electric prize ball dispensing device 13 is electrically operated. To work. That is, the switch mechanism 34 includes a box frame 36 having a front opening 35 as shown in FIG. 3, and a plate-shaped operating member 37 mounted in the box frame 36 so as to close the opening 35. A switch 39 is provided above the rear wall 36a of the box frame 36 with the detection lever 38 facing the inside of the box frame 36, and pin holes 40 are formed at the lower portions of both side walls 36b and 36c so as to face each other.
40 is provided. A notch 41 is provided in the upper front surface of one side wall 36b, and a locking hole 4 is provided in the lower end of the rear wall 36a.
2 are provided. Reference numerals 43, 43 denote through holes through which screws 44, 44 for attaching the box frame 36 to the back surface of the game board 2 are inserted.

The actuating member 37 is provided with a wide push piece 37a on one side at the upper end, and at the lower end a projecting piece 45, 45 and a projecting piece 45, 45 projecting rearward from both sides.
A storage recess 47 surrounded by a surrounding wall 46 surrounding the outer periphery therebetween
Is formed. Through holes 48, 48 are provided in opposition to the overhanging pieces 45, 45. A groove 49 is provided on one side of the lower surface of the surrounding wall 46 at the same position as the locking hole 42 and a groove 50 is provided on the other side of the upper surface. 5
Reference numeral 1 denotes a spiral spring having a straight portion 51a at one end and a bent portion 51b at the other end. Reference numeral 52 denotes a support shaft, and reference numeral 53 denotes an E-ring for preventing the support shaft 52 from coming off.

To assemble the switch mechanism 34,
First, the spiral spring 51 is housed in the housing recess 47 of the operating member 37, and the linear portion 51 a at one end is interposed in the groove 50, and
7 and the bent portion 51b at the other end is formed in the groove 4
Involve 9 Subsequently, the operating member 37 is inserted into the box frame 36 through the opening 35, and the bent portion 51b at the other end of the spiral spring 51 is provided.
Is inserted into the locking hole 42 and locked, and both through holes 48,
48 and the pin holes 40, 40 are aligned with each other.
The support shaft 52 is inserted through the 0, 40, the pin holes 48, 48 and the spiral spring 51, and the E-ring 53 is fastened to the annular groove 54 at the tip protruding from the side wall 36c.

When the bent portion 51b at the other end is inserted into the locking hole 42, a torsion force acts on the spiral spring 51 and a restoring force acts. Since the hitting movement is prevented, the spiral spring 51 is held in the storage recess 47 as it is, and does not accidentally pop out. As a result, the operating member 37 is rotatably mounted on the support shaft 52 and the spiral spring 51
, The lower end surface thereof abuts against the lower surface of the box frame 36 and stops.
8 is held in a slightly inclined forward position so as not to touch it. The upper end of the operating member 37 is located to face the detection lever 38 of the switch 39.

The switch mechanism 34 assembled in this manner is mounted on the game board mounting frame 55 with screws 44, 44 so as to face the opening 35 as shown in FIG. Are positioned corresponding to the insertion holes 57 that are linearly provided through the game board mounting frame 55 and the front frame 56. Further, even if the operating member 37 rotates rearward against the restoring force of the spiral spring 51, the push piece 37a intervenes in the notch 41, and the rotation of the operating member 37 can be performed without any trouble. .

The ball removing device of the pachinko machine 1 according to the present invention has the above-described configuration. To remove the prize ball from the prize ball tank 10, the insertion hole 57 of the front frame 56 is provided from the front side of the pachinko machine 1.
Then, a pin 58 or the like is inserted, and the pushing piece 37a of the operating member 37 is pushed. As a result, the operating member 37 is rotated rearward against the restoring force of the spiral spring 51 as shown by the chain line in FIG. 5, so that the detection lever 38 is pushed and the switch 39 is turned on.

FIG. 7 shows a structure in which a mechanism for retaining the support shaft 52 is provided integrally with the side wall 36c of the box frame 36 instead of the E-ring 53. In FIG. And a concave portion 60 that fits into an annular groove 54 formed at the distal end of the support shaft 52 at the distal end edge.
Reference numerals 61, 61 denote protection strips which are located on the upper and lower sides of the retaining piece 59 and protect the tip of the support shaft 52. The tip of the support shaft 52 protruding from the through hole 43 is inserted into the annular groove 54 by a retaining piece 59.
The recess 60 is fitted and fixed to prevent the removal.

[0019]

As described above, according to the pivoting structure of the operating member in the ball removing device of the pachinko machine according to the present invention, the spiral spring for biasing the operating member is housed in the housing recess, and the operating member is housed. Since the shaft is supported, the spiral spring is at a stable position, whereby the support shaft can be easily inserted, and the assembling work of the operating member can be performed smoothly. Further, since the spiral spring does not accidentally pop out and loses, it is possible to improve the efficiency of the assembling work by pulling the spring without taking care of it.

[Brief description of the drawings]

FIG. 1 is a rear view of a pachinko machine to which the present invention is applied.

FIG. 2 is a perspective view showing a state where the ball removing device is attached to the back of the pachinko machine.

FIG. 3 is an exploded perspective view of a switch mechanism in the ball removing device.

FIG. 4 is a partially enlarged rear view showing a state where the ball removing device is attached to a pachinko machine.

FIG. 5 is a sectional view taken along line XX in FIG. 4;

FIG. 6 is an exploded perspective view of the electric premium ball payout device.

FIG. 7 is a partially enlarged perspective view showing a state where a retaining mechanism for a spindle is provided on a box frame.

FIG. 8 is a perspective view of a ball punching device provided in a conventional pachinko machine.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Pachinko machine 36 Box frame 37 Operating member 47 Storage recess 51 Spiral spring 52 Support shaft

Claims (1)

(57) [Claims] 1. A pachinko machine in which a flat operating member is provided upright on the back side of a pachinko machine, and a lower end thereof is pivotally supported so that the operating member always tilts forward by a restoring force of a spiral spring. In a ball punching device of a pachinko machine which is operated by being pressed by the operating member from the front side of the pachinko machine, a projecting piece portion is provided on both sides of a lower end portion of the operating member, A through hole through which a support shaft is inserted is formed in the overhanging piece, and a storage recess is formed by the overhanging piece and the surrounding wall that covers the outer periphery between the overhanging pieces. A shaft support structure for an operating member in a ball punching device of a pachinko machine, wherein the spiral spring is housed so as to integrally support the spiral spring.