JPH0533177Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Field of Application] The present invention relates to an improvement of a ball hitting force adjustment mechanism in a ball firing device of an electric pachinko game machine.

[Conventional technology]

In recent years, in electric automatic ball-hitting pachinko machines, the starting position of the batting rod, which periodically swings by electric power, is controlled by a rotation adjustment cam attached to the shaft of the operating handle, and the batting force can be adjusted. A ball striking force adjustment mechanism for a pachinko game machine is known. That is, as shown in FIGS. 3 to 5, the grip part b attached to the front frame a of the pachinko machine
By operating the ball hitting force adjustment handle c in the handle, the handle axis d (shown in Figure 5)
The rotation adjustment cam e, which is integral with the Ball hitting rod h that hits and launches the pachinko ball g at the lower end of the rail f
This is to adjust the starting position. For example, in the figure, when the rotation adjustment cam e is rotated to the position e' indicated by the dashed-dotted line, the starting position of the ball hitting rod h is moved back to h', and the range of its swing becomes large. As a result, the hitting power increases.

[Problem that the invention attempts to solve]

The ball hitting force adjustment mechanism of the pachinko game machine configured as described above, for example, even if the ball hitting rod h is operated from the same starting position, due to variations in the supply voltage due to differences in the number of machines used in the store or differences in the region of use, etc. Since the torque fluctuates and the ball hitting force differs, it may be necessary to adjust the relative angle at which the rotation adjustment cam e is attached to the handle shaft d. is fixed by clamping the inner cylinder i having a step and the angle display panel j, etc., and then tightening the bolt k.
To make this adjustment, the rotation adjustment cam e is loosely fitted by unfastening the bolt k with a screwdriver (not shown), and after adjusting the relative angle of its pivoting, tighten the bolt again with a screwdriver (not shown). It was necessary to perform the procedure of fastening the rotation adjustment cam e to the handle shaft d by fastening the rotation adjustment cam e.

[Means for solving problems]

The ball hitting force adjustment mechanism of the pachinko game machine of the present invention is
In view of the above-mentioned problem, this was done to solve this problem, and the batting rod is periodically repeated over the range between the firing reference position and the opposite position according to the excitation driving force of the rotary solenoid based on the batting ball firing operation. A gripping member installed at the front of the pachinko machine and held by a player, in an electric firing type pachinko machine that shoots out pachinko balls one by one after being moved and sent to a firing reference position; a handle attached to the gripping member so as to be rotatable in a circumferential reciprocating direction and operated by a player;
The inner end shaft connected to the handle is fitted into and engaged with the handle shaft extending from the rear end of the gripping member so as to be movable in the axial direction with respect to the outer periphery of the inner end shaft of the handle shaft. A holding member that is integrally rotatable with the shaft side, a pressing force means that constantly presses the holding member, and a holding member that is rotatably displaceable in a circumferential reciprocating direction with respect to the outer periphery of the inner end shaft side of the handle shaft. a rotation adjustment cam that is fitted and held between the inner end of the gripping member and the holding member, and the holding member has a rotational displacement amount of the rotation adjustment cam on the outside. A pointer section serving as an instruction reference is formed, and an operating section is formed to perform a release operation in a direction away from the rotation adjustment cam.On the other hand, the rotation adjustment cam has a point opposite to the batting rod on the outside with respect to its rotation center. A pachinko game machine characterized in that a displacement adjustment surface which also serves as a buffer stopper at a side position is formed in an eccentric arc shape and is provided with a scale for displaying the amount of rotational displacement with respect to the pointer portion of the holding member. Provides a ball hitting force adjustment mechanism.

[Effect]

According to the above configuration, when adjusting the relative mounting angle of the rotation adjustment cam with respect to the handle shaft,
First, the rotation adjustment cam can be freely rotated in the circumferential direction by pinching the operating part of the holding member with your fingers and moving the holding member in the axial direction so as to contract the pressing and urging means and releasing the pressure on the holding member. When the rotation adjustment cam is slid in the circumferential direction to the appropriate relative angle position in the state shown in FIG. The angle after adjustment is maintained by pressing , and this work is extremely easy and quick.

〔Example〕

Hereinafter, one embodiment of the ball hitting force adjustment mechanism of the pachinko game machine of the present invention will be described in detail based on the drawings. FIG. 1 is an exploded perspective view of this embodiment, and FIG. 2 is an assembled cross-sectional view of the main parts. Although not particularly shown in the drawings, this embodiment assumes a type in which the ball-striking rod is repeatedly moved within a range from a firing reference position to a position on the opposite side thereof in accordance with the excitation driving force of a rotary solenoid. In the figure, reference numeral 1 denotes a base tube portion, and 2 denotes a grip portion at the tip of the base tube portion 1. The base tube portion 1 and the grip portion 2 constitute a gripping member. 3 is a switch; 4 is an operation handle whose rotation range is limited to such an extent that the player can operate it with one hand; and 5 is a handle 4 inserted into the base cylinder portion 1;
It is a handle shaft that rotates according to the movement of the handle, and its rear part protrudes from the rear end of the base cylinder part 1. A rotation adjustment cam 7 made of an elastic material is attached to the rear part of the handle shaft 5 through an inner cylinder 6.
A holding member 8 is inserted, and the inner cylinder 6 and the holding member 8 are integrally engaged with the handle shaft 5 in the circumferential direction. On the other hand, the rotation adjustment cam 7 is rotatable in the circumferential direction with respect to the handle shaft 5, and is supported by a coil spring 11 whose rear end is supported by a washer 10 which is prevented from coming off by a retaining ring 9 for the shaft. It is pressed in the axial direction via the holding member 8 and is held between the holding member 8 and the flange 6' of the inner cylinder 6, so that it is fixed at a constant relative angle to the handle shaft 5. Further, the rotation adjustment cam 7 is engraved with a scale 12 that indicates the relative angle, and the holding member 8 is provided with a pointer portion 13 that indicates the angle.
and an operating section 14 are provided protrudingly. Therefore, in order to adjust the hitting force by changing the relative angle between the handle shaft 5 and the rotation adjustment cam 7, first pinch the operating section 14 with your fingers and move the holding member 8 away from the handle shaft 5. By moving it in the axial direction as if pulling it out, the pressure of the coil spring 11 on the rotation adjustment cam 7 is released, and the rotation adjustment cam is made slidable in the circumferential direction. Next, the rotation adjustment cam 7
While checking the scale 12 indicated by the pointer part 13 of the holding member 8, rotate it by an appropriate angle and then release your finger from the operating part 14, and the holding member 8 will be rotated again by the elastic force of the coil spring 11. Adjustment cam 7
The holding member 8 and the flange 6' of the inner cylinder 6 are clamped and fixed so that the relative angle after adjustment is maintained. It should be noted that if a required number of protrusions of an appropriate size are provided on the contact surface 8' of the holding member 8 with the rotation adjustment cam 7, the fixing function will be improved because the local surface pressure will be increased. I'll keep it.

[Effect of idea]

As detailed above, the ball hitting force adjustment mechanism of the pachinko game machine of the present invention is directed to the handle shaft of the rotation adjustment cam for controlling the swing range of the ball hitting rod that hits the pachinko balls and manipulating the ball hitting force. is fixed by pressing the holding member using the elastic force of the pressing and urging means, rather than by tightening bolts, etc., so the relative angle of the shaft attachment between the handle shaft and the rotation adjustment cam can be adjusted with a screwdriver. Easy and quick, without the need for any tools such as a U-driver, and without disassembling parts.
This can now be done accurately and steplessly, and its practical effects are extremely large.

[Brief explanation of the drawing]

FIG. 1 is an exploded perspective view showing one embodiment of the ball hitting force adjustment mechanism of the pachinko game machine of the present invention, FIG. The drawing is a rear view of a ball firing device of a conventional pachinko game machine, and FIG. 5 is an exploded perspective view of essential parts showing an example of a ball hitting force adjustment mechanism of a conventional pachinko game machine. 1...Base cylinder part, 4...Handle, 5...Handle shaft, 6...Inner cylinder, 7...Rotation adjustment cam, 8...
Holding member, 11... Coil spring, 12...
Scale, 13... pointer section.

Claims (1)

[Claim for Utility Model Registration] A ball batting rod is sent to a firing reference position by periodically and repeatedly moving it over a range between a firing reference position and a position on the opposite side according to the excitation driving force of a rotary solenoid based on a batting ball firing operation. In an electric-launching pachinko machine that shoots out pachinko balls one by one, there is a gripping member that is installed on the front of the pachinko machine and is gripped by the player, and a reciprocating ball that reciprocates circumferentially with respect to the gripping member. a handle that is assembled so as to be rotatable in a direction and operated by a player; a handle shaft that is connected to the handle and has an inner end shaft extending from the rear end of the gripping member; and an inner end shaft of the handle shaft. a holding member that is fitted into and engaged with the outer periphery of the handle shaft so as to be movable in the axial direction and rotates integrally with the shaft side; a pressing biasing means that constantly presses the holding member; a rotation adjustment cam that is fitted and inserted so as to be rotatably displaced in a circumferential reciprocating direction with respect to the outer periphery of the end shaft side and held under pressure between the inner end of the gripping member and the holding member; The holding member has a pointer section on its outer side that serves as a reference for indicating the amount of rotational displacement of the rotation adjustment cam, and also an operation section for releasing the rotation adjustment cam in a direction away from the rotation adjustment cam. The dynamic adjustment cam has an eccentric arc-shaped displacement adjustment surface that also serves as a buffer stopper located on the opposite side of the batting rod on the outside with respect to its rotation center, and also adjusts the amount of rotational displacement of the holding member relative to the pointer section. A ball hitting force adjustment mechanism for a pachinko game machine, characterized by being provided with a scale for display.