JP2957038B2 - Cover structure on mechanical plate 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 pachinko machine mechanism plate rotatably provided on the back of a game board, and more particularly to a cover structure for freely opening a back mechanism mounted on the mechanism plate.

[0002]

2. Description of the Related Art Conventionally, as is well known, a mechanism plate provided with a series of back mechanisms such as a prize ball tank, a prize ball payout device, a prize ball collecting section, and a prize ball discharge control device is provided on the back of a game board of a pachinko machine. Are rotatably mounted. A cover is detachably provided in each of the prize ball dispensing device and the winning ball discharge control device, which are likely to cause trouble, so that repair and inspection can be easily performed by removing the cover. Has become.

On the other hand, recently, an electric prize ball dispensing device is provided on a mechanical plate of a pachinko machine, and a signal of the number of balls to be loaned is received by receiving a ball exchange value medium such as coins, bills or prepaid cards between the pachinko machines. A ball lending machine containing a transmitting unit is installed, and an electric prize ball dispensing device is operated by a ball lending signal from the ball lending machine to discharge the ball lending to the hitting ball supply plate on the front of the pachinko machine. The ball lending method is being adopted (for example, see Japanese Patent Application Laid-Open No. 3-106388).

[0004]

By the way, in order to adopt the ball lending method as described above, it is necessary to connect an electric wire such as a connector or a control board for connecting a wiring drawn from a functional unit of the ball lending machine to a mechanism plate. It is necessary to provide a target part. At this time,
If these electrical components are exposed, the pachinko balls falling from above may come into contact with each other and cause a short circuit or disconnection of the wiring. Therefore, it is preferable to provide a cover. However, it is difficult to provide a new cover on the mechanism plate in terms of space, and the mounting operation is troublesome.

[0005]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention is provided on a back surface of a game board so as to be rotatable, and a prize ball payout device, a winning ball discharge control device and the like are provided on the back surface. A pachinko machine plate provided with a cover body to which the back mechanism is mounted and which removably covers the back mechanism, wherein the cover body pivotally connects one end of a first cover member to one end of a second cover member. The other end of the first cover member is pivotally attached to a mechanism plate, and a locking portion is provided on each of the first cover member and the second cover member. The mechanism plates are respectively releasably locked to the mechanism plates.

[0006]

According to the cover structure of the mechanical plate of the pachinko machine of the present invention, the first cover member and the second cover member can be integrally mounted on the mechanical plate. Further, only the first cover member and the second cover member can be independently opened. Therefore, the back mechanism portions respectively covered by the first cover member and the second cover member can be easily and effectively repaired and inspected. In addition, the work of attaching the plurality of covers can be simplified.

[0007]

An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a rear view of a pachinko machine to which the present invention is applied. In the figure, 1 is a machine frame of a pachinko machine, 2 is a front frame which is attached to the front of the machine frame 1 so as to be openable and closable, 3 is a front frame 2
A game board 4 removably mounted on the back of the game board 4 is a mechanism plate rotatably provided on the back of the game board 3. Mechanism plate 4
Has a plate-shaped portion 4a opposed to the back surface of the game board 3, and a ball-adjusting space for collecting winning balls is formed in a lower front portion of the plate-shaped portion 4a opposed to the back surface of the game board 3, A winning ball collecting passage 5 is formed in the lower part of the space.

On the other hand, a prize ball tank 6 is provided on the upper surface of the rear surface of the plate-shaped portion 4a of the mechanism plate 4, and a gutter rail 7 is provided below the prize ball tank 6 for aligning and flowing down the prize balls. Have been. A supply gutter 8 is connected to the downstream side of the gutter rail 7, and an electric prize ball dispensing device 9 is provided at a lower end of the supply gutter 8. Further, below the prize ball dispensing device 9, there is provided a prize ball discharge gutter 10 for guiding the dispensed prize balls to a hit ball supply plate (not shown) in front of the machine. Also,
At the end of the prize ball collecting passage 5, there is provided a prize ball detector 11 and a prize ball discharge control device 13 for causing one prize ball to drop into the prize ball discharge passage 12 (see FIG. 10). In addition, a relatively large window hole 14 is formed substantially at the center of the plate-shaped portion 4a. The window hole 14 is opened slightly smaller than the winning ball collecting cover 15 provided on the back surface of the game board 3 located in the ball approaching space, and the rear portion of the variable winning device 16 mounted on the front face of the game board 3 and A board box 1 containing a circuit board for controlling the operation state of the pachinko machine
7 is projected.

As shown in FIG. 9, the electric prize ball dispensing device 9 is generally constituted by a main body base 18, a driving motor 19, and a lead screw 20. On the front surface of the main body base 18, two vertical supply passages 21a and 21b continuous with the supply gutter 8 are formed at right and left intervals, and a prize ball is discharged downstream of the supply passages 21a and 21b. Passages 22a and 22b are respectively formed. The drive motor 19 is attached to the center of the front surface of the main body base 18 via a motor attachment frame 23, and the lead screw 20 is located below the drive motor 19 and between the supply passages 21a and 21b. It is arranged in.

The lead screw 20 is formed by helically forming a ridge 23 on the outer peripheral surface of the cylindrical body for receiving the state-of-the-art prize ball facing the supply passages 21a and 21b. Shaft 24 protruding in the vertical center of the
Is supported by a bearing piece 25 of the main body base 18 so as to be horizontally rotatable. A driven gear 28 meshing with a driving gear 27 fixed to the motor shaft 26 is fixed to the upper end of the rotating shaft 24, so that the rotation of the motor shaft 26 is transmitted to the lead screw 20. The ridges 23 of the lead screw 20 are so rotated that the lead screw 20 makes one rotation so that the prize balls at the forefront of the supply passages 21a and 21b lose support and fall into the discharge passages 22a and 22b. A helical shape is chosen. Also, prize ball detectors 29a and 29b are provided in the discharge passages 22a and 22b, and the prize balls paid out to the discharge passages 22a and 22b by rotation of the lead screw 20 are detected one by one.

The winning ball discharge control device 13 includes a mechanical plate 4 located below the prize ball discharge gutter 10 as shown in FIG.
A lever member 32 is disposed in an opening concave portion 30 formed at a portion thereof, and is substantially rotatably supported at a substantially middle length by a shaft 31, and is pivotally connected to a rear end of the lever member 32. And a solenoid 33. The lever member 3
At the front end of the ball 2, a ball stopping portion 34 that opposes the end of the winning ball collecting passage 5 to prevent the winning ball from flowing down, and the ball flowing down at the ball stopping portion 34 due to the upward rotation accompanying the operation of the solenoid 33. A semicircular ball receiving recess 3 for receiving the blocked winning ball and dropping the winning ball into the winning ball discharge passage 12 by rotating downward.
5 are provided integrally. The winning ball detector 11
Is arranged so as to be able to detect a winning ball at the tip of the winning ball collecting passage 5 whose flow is prevented by the ball stopping portion 34 of the lever member 32, and the drive motor of the prize ball dispensing device 9 is detected by the detection signal. 19 to rotate a predetermined number of prize balls to discharge passage 2
2a and 22b.

Also, on the rear surface of the prize ball discharge gutter 10,
As shown in FIG. 5, a control board 3 and a connector 36 having a plurality of connection terminals for connecting wiring drawn from a thin ball rental machine (not shown) installed between pachinko machines.
7 are provided. The control board 37 receives the signal from the ball lending machine, rotates the drive motor 19 of the electric prize ball dispensing device 9, and discharges the prize balls for the number of lending balls to the prize ball discharge gutter 10 as lending balls. Things.

The cover 3 of the main part of this embodiment is provided on the winning ball discharge control device 13 and the connector 36.
8 is attached. The cover body 38 is a box-shaped first cover member 3 having an open front surface as shown in FIGS.
9 and the second cover member 40. The first cover member 39 has cylindrical portions 392 and 392 having shaft insertion holes 391 and 391 at the lower ends on both sides thereof, and a short axis formed at an upper portion of the rear surface at an interval substantially equal to the width of the second cover member 40. 3
Supporting pieces 394 and 394 provided with projections 93 and 393 are provided. In the upper part of both sides, the outward locking claw 39 is provided at the tip.
The locking portions 396 and 396 provided with 5,395 are formed.

The second cover member 40 has cylindrical portions 402, 40 having shaft insertion holes 401, 401 at both lower ends.
2, and an opening 403 is formed on the right side surface to expose the connection terminal portion of the connector 36. Further, through holes 404 and 404 for passing wirings connected to the control board 37 are formed on the left side and the upper side, and an outward locking claw 405 is provided at the tip on the upper side of the left side. A part 406 is formed. The first cover member 39 and the second cover member 40 described above are connected to both short axes 393 and 393 of the first cover member 39.
Are inserted into the shaft insertion holes 401 of the second cover member 40 and are pivotally connected, thereby forming the cover body 38 having an integral structure.

On the other hand, as shown in FIG. 6, outward locking claws 395 and 395 of locking portions 396 and 396 formed on the first cover member 39 are locked to the mechanism plate 4 at both ends of the opening concave portion 30. Notches 41, 41, and support pieces 43, 4 having short axes 42, 42 projecting on both lower sides of the opening recess 30 at intervals substantially equal to the width of the first cover member 39.
3 is provided. Further, an opening hole 44 for locking the outward locking claw 405 of the locking portion 406 formed on the second cover member 40 is formed at a position above the connector 36. In addition, 45 is a rib ridge that contacts the outside of the first cover member 39, and 46 is a rib ridge that contacts the inside of the second cover member 40.

In the cover body 38 of the embodiment of the present invention, both short shafts 42, 42 of the support pieces 43, 43 projecting from the mechanism plate 4 are fitted into the shaft fitting holes 391, 391 of the first cover member 39. To open freely on the mechanism plate 4. The outward locking claws 3 of the locking portions 396 and 396 formed on the first cover member 39
95, 395 are engaged with the notches 41, 41 formed in the mechanism plate 4, and the outward locking claws 405 of the locking portions 406 formed in the second cover member 40 are locked in the opening holes 44. As a result, the winning ball discharge control device 13 is changed to the first cover member 3.
9 and the connector 36 is covered by the second cover member 40.

The cylindrical portion 39 of the first cover member 39
2, 392 and cylindrical portions 402, 40 of the second cover member 40
7 and FIG. 8, the C-shaped section having a fitting opening 47 slightly smaller than the diameters of the short axes 393 and 393 of the first cover member 39 and the short axes 42 and 42 of the mechanism plate 4. Then, the short holes 393, 393 and 42, 42 are pushed into the fitting openings 47 so that the shaft fitting holes 39 are formed.
If the short shafts 393, 393 and 42, 42 are fitted into the first, first, third, and first 401, 401, the work of attaching the first cover member 39 and the second cover member 40 becomes extremely easy.

The cover 3 of the embodiment having such a configuration
For example, when connecting or checking the wiring to the connector 36, only the second cover member 40 needs to be opened as shown in FIG.
When an inspection is required, as shown in FIG.
This can be done by opening both the 9 and the second cover member 40. At this time, if the first cover member 39 is opened while the opened second cover member 40 is superimposed on the first cover member 39, the first cover member 39 can be opened even in a narrow space.
Both the cover member 39 and the second cover member 40 can be easily opened and closed.

[0019]

As described above, according to the present invention, since both the first cover member and the second cover member can be mounted simply by mounting the first cover member on the mechanism plate, the work of mounting the cover body is performed. Can be simplified. Also, the second
Since only the cover member or both the first cover member and the second cover member can be opened, the back mechanism portions respectively covered by the first cover member and the second cover member can be easily and effectively repaired. , Can be checked. Further, since the first cover member and the second cover member are pivotally connected to each other, a unique effect such as easy opening / closing operation in a narrow space can be obtained even when a large cover body is required.

[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 of a cover body according to the present invention.

FIG. 3 is an exploded perspective view of FIG. 2;

FIG. 4 is a perspective view of a main part showing an attached state of the cover body of FIG. 2;

FIG. 5 is a perspective view of a main part showing a state where a second cover member is opened.

FIG. 6 is a perspective view of a main part showing a state where both a first cover member and a second cover member are opened.

FIG. 7 is a perspective view of a main part showing another embodiment of the tubular portion of the first cover member and the second cover member.

FIG. 8 is a cross-sectional view showing a state in which the cylindrical portion of FIG. 6 is fitted on a short axis.

FIG. 9 is a perspective view of the electric premium ball payout apparatus.

FIG. 10 is a perspective view of a winning ball discharge control device.

[Explanation of symbols]

 Reference Signs List 3 game board 4 mechanism board 9 electric prize ball payout device 13 winning ball discharge control device 38 cover body 39 first cover member 40 second cover member 396,406 locking portion

Claims (1)

(57) [Claims] 1. A cover body rotatably provided on a back surface of a game board, on which a back mechanism such as a prize ball payout device or a winning ball discharge control device is mounted, and which covers the back mechanism in a releasable manner. In the mechanical plate of the pachinko machine provided, the cover body is formed by pivotally connecting one end of a first cover member to one end of a second cover member, and pivotally connecting the other end of the first cover member to the mechanical plate. And the first cover member and the second cover member.
A cover structure for a mechanical plate of a pachinko machine, wherein a locking portion is provided on each of the cover members, and the first cover member and the second cover member are respectively releasably locked to the mechanical plate.