JP2001149607A - Pachinko machine mounting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enhance the adjusting operational performance from the outside and the protective performance of an electric part. SOLUTION: This pachinko machine mounting device is provided with a cylindrical guide hole part 10 formed from the case 2 toward the operational part 7 of an electric part 6.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] The present invention relates to an apparatus mounted on a pachinko machine.

[0002]

2. Description of the Related Art In a pachinko machine mounting apparatus disclosed in Japanese Patent Application Laid-Open No. H10-43362, a circuit board housed inside a case attached to the back of the pachinko machine, and a circuit board mounted on the circuit board and adjusted from outside the case. Operable electrical components.

[0003]

In the above-mentioned conventional pachinko machine mounting apparatus, the member provided on the electric component for adjusting the ball hitting force or the member provided on the electric component for adjusting the touch sensitivity, It protrudes outside the case via a hole formed in the case. For this reason, when an external force is applied to a member protruding outside the case, the electric component may be damaged.

Accordingly, the present invention is to provide a pachinko machine having a high external adjustment operation performance and a high protection performance for electric components.

[0005]

According to the present invention, there is provided a circuit board housed in a case attached to a pachinko machine, and electric parts mounted on the circuit board and adjustable from outside the case. The pachinko machine mounting device is characterized in that the device is provided with a cylindrical guide hole formed from the case to the operation part of the electric component. Therefore, according to the present invention, the operating portion of the electric component does not protrude outside the case, and the electric component is protected from external force. Further, a tool such as a screwdriver can be inserted from the outside of the case via the guide hole into the operation part of the electric component to operate the operation part. In addition, if the gap between the guide hole and the electric component is formed small, an unauthorized operation member such as a wire or a piano wire will not be caught in the gap between the guide hole and the electric component and inserted into the case. It is possible to prevent fraudulent acts such as short-circuiting of electrical components and wiring patterns mounted on the circuit board inside the case with a fraudulent member. In the present invention, if the case-side opening of the guide hole is formed larger than the component-side opening, the tool can be easily inserted into the guide hole. Further, in the present invention, if the guide hole is formed in a truncated cone shape whose diameter gradually decreases as going from the case-side opening to the component-side opening, the tool inserted into the guide hole can be used as the guide hole. Since the guide is guided to the operation unit by the ten truncated cones, it is easy to engage the tool with the operation unit.

[0006]

1 to 3 show a first embodiment of the present invention. FIG. 1 is a partially cutaway side view of a ball launch control device, and FIG. 2 is an external view of the ball launch control device. FIG. 3 shows an exploded appearance of the ball launch control device. 1 to 3, reference numeral 1 denotes a case base, and 2 denotes a case cover. The case base 1 and the case cover 2 are made of a synthetic resin having transparency so that the inside can be seen from the outside. 3 is a circuit board housed in an internal space surrounded by the case base 1 and the case cover 2, 5 is a set screw for fixing the circuit board 3 to the case base 1, 6 is a ball striking force mounted on the circuit board 3 Adjustment volume, 7 is the operation unit of the ball hit force adjustment volume 6,
Reference numeral 8 denotes a tool insertion groove formed on the surface of the operation unit 7 disposed inside the ball hitting force adjusting volume 6, and 9 denotes an electrolytic capacitor mounted on the circuit board 3. The electrolytic capacitor 9 has high withstand voltage electrical characteristics and has a tall shape.

The case base 1 and the case cover 2 are sealed after the circuit board 3 on which the ball striking force adjusting volume 6, the electrolytic capacitor 9, and all other electric components are mounted is stored therein. The sealing structure is disclosed in, for example, JP-A-10-328384. One of them is a form in which a seal is stuck over a joint portion between the case base 1 and the case cover 2, and when the seal is peeled off, traces of the seal remain on the case base 1 and the case cover 2. The other is a mode in which the joint between the case base 1 and the case cover 2 is welded, and the welded portion is broken when the case base 1 and the case cover 2 are opened. The other is provided with a set screw receiving portion at one of the mating portions of the case base 1 and the case cover 2, and a cylinder portion for storing the set screw at the other mating portion. Main vice 2
The case is connected by two connecting pieces, and the case cannot be opened unless the two connecting pieces are cut.

[0008] That is, the sealing means that the circuit board 3 on which the ball striking force adjusting volume 6, the electrolytic capacitor 9 and all other electric components are mounted is fixed to the case base 1 with the set screw 5, and then the case base 1 is sealed. When the circuit board 3 is housed in the internal space surrounded by the case base 1 and the case cover 2, the case base 1 and the case cover 2 are opened. It is in a sealed form so that traces remain.

Reference numeral 10 denotes a cylindrical guide hole provided in the case cover 2. The guide hole 10 is provided in the case cover 2.
The case 10 further bulges toward the operation unit 7, and the diameter L1 of the case-side opening 10a is set to be larger than the diameter L2 of the component-side opening 10b (L1> L2). The inner surface of the guide hole 10 is formed in a truncated cone shape whose diameter gradually decreases as it goes from the case side opening 10a to the component side opening 10b. Guide hole 1
There is a small gap H between the zero component side opening 10b and the ball hitting force adjusting volume 6. The gap H is set so that a tool (not shown) inserted into the guide hole 10 does not go around the ball striking force adjustment volume 6. That is, an unauthorized operation member such as a wire or a piano wire (not shown) is caught by the guide hole 10 or the operation portion 7 forming the gap H and inserted into the internal space (inside the case) formed by the case base 1 and the case cover 2. Never.

According to the structure of the first embodiment, when the case base 1 and the case cover 2 are sealed with the circuit board 3 housed in the internal space thereof, the operation unit 7 is connected to the case base 1 and the case cover 2. Therefore, even if a hand or other object hits the outside of the case base 1 or the outside of the case cover 2, the hand or other object does not hit the operation unit 7 and the ball striking force adjusting volume 6 Is protected from external forces.
When adjusting the ball striking force adjusting volume 6 from the outside of the case cover 2, a tool (not shown) such as a screwdriver is inserted into the inside of the guide hole 10 and the component side opening 10b through the case side opening 10a.
And into the tool insertion groove 8 of the operation unit 7 via the gap H. In this case, the tool can be easily inserted into the guide hole 10 due to the dimensional relationship of the diameter L1 of the case-side opening 10a> the diameter L2 of the component-side opening 10b.

The tool inserted into the guide hole 10 has a truncated cone whose diameter gradually decreases from the case side opening 10a on the inner surface of the guide hole 10 to the component side opening 10b. It is guided and inserted into the groove 8. In this state, the operation of the operation unit 7 is rotated by the tool, so that the ball hitting force can be adjusted.
Further, since the gap H is formed between the guide hole 10 and the ball hitting force adjusting volume 6, there is no inconvenience that the guide hole 10 presses the ball hitting force adjusting volume 6. or,
Since the guide hole 10 is provided corresponding to the ball hitting force adjusting volume 6, the arrangement of the electrolytic capacitor 9 and all other electric components on the circuit board 3 is not hindered.

In FIG. 3, reference numeral 23 denotes a connector mounted on one side of the circuit board 3, 24 denotes a partition provided on the case cover 2, and 25 denotes an opening provided on the case cover 2. When the case base 1 and the case cover 2 are assembled, the partition wall 24 is disposed between the connector 23 and the ball striking force adjusting volume 6, the electrolytic capacitor 9, and other electric components, and comes into contact with the circuit board 3. . Therefore, the connector 23 is disposed in the opening 25 while being separated from the ball striking force adjustment volume 6, the electrolytic capacitor 9, and other electric components by the partition wall 24.

FIG. 4 shows a second embodiment of the present invention. FIG.
In the figure, reference numeral 11 denotes a guide hole corresponding to the guide hole 10, and the dimensional relationship of the diameter L1 of the case-side opening 11a> the diameter L2 of the component-side opening 11b is the same as in the first embodiment. The inner shape of the hole 11 is characteristic. An inner side surface of the guide hole portion 11 has a large-diameter portion 11c having a straight cylindrical shape having the same diameter even when the inner side portion is inside the case-side opening 11a.
It is formed of a straight cylindrical small-diameter portion 11d having the same diameter even when it is located outside the component side opening 11b, and an inclined cylindrical connecting diameter portion 11e connecting the large-diameter portion 11c and the small-diameter portion 11d.
Therefore, the tool inserted from the large-diameter portion 11c is guided to the small-diameter portion 11d along the connecting-diameter portion 11e, and is inserted into the tool insertion groove 8. In this case, if the diameter L2 of the component-side opening 11b in the small-diameter portion 11d is substantially the same as the upper surface of the operation portion 7 where the tool insertion groove 8 is formed, the tool guided by the small-diameter portion 11d is inserted into the tool. It can be reliably inserted into the groove 8. The connecting diameter portion 11e is formed on an inclined surface having a smaller diameter as it goes from the large diameter portion 11c to the small diameter portion 11d, but may be a flat step surface orthogonal to the large diameter portion 11c or the small diameter portion 11d.

FIG. 5 shows a third embodiment of the present invention. FIG.
, 12 is an operation unit corresponding to the operation unit 7 of the ball hitting force adjustment volume 6,
The tip of the operating portion 12 protruding from the upper surface of the guide hole 10 and having the tool insertion groove 8 is inserted into the component side opening 10b of the guide hole 10 in a non-contact manner. Therefore, the diameter L of the component side opening 10b
2 is larger than the diameter L2 of FIG.
The tool inserted at 0 does not go around the ball striking force adjustment volume 6.

FIG. 6 shows a fourth embodiment of the present invention. FIG.
In this configuration, when the tip of the operation section 12 is inserted into the component side opening 10b of the guide hole 10, the ease of insertion of the tool into the tool insertion groove 8 is improved. That is, the guide hole 10 includes the annular guide protrusion 10c inside. The guide convex portion 10c is formed by the operation portion 12 from the inner surface of the guide hole portion 10.
Protrude so as not to touch the And the guide projection 10c
Is formed in a mortar shape from the side of the case side opening 10a toward the tool insertion groove 8. Therefore, the tool is the guide projection 1
The tool is inserted into the tool insertion groove 8 along the upper surface of the tool insertion groove 8c. If the gap D between the lower surface of the guide protrusion 10c and the upper surface of the operation unit 12 is reduced, an unauthorized operation member such as a wire or a piano wire (not shown) forms the guide protrusion 10c or the operation unit 1 that forms the gap D.
2 and is not inserted into the internal space formed by the case base 1 and the case cover 2.

FIG. 7 shows a fifth embodiment of the present invention. FIG.
In FIG. 1, reference numeral 13 denotes a guide hole corresponding to the guide hole 10 in FIG. 1. The dimensional relationship of the diameter L1 of the case-side opening 13a> the diameter L2 of the component-side opening 13b is the same as that in FIG. The outer surface of the portion 13 is formed in the shape of a straight cylinder having the same diameter even when going from the case-side opening 13a to the component-side opening 13b.
It is formed thicker than the wall surrounding 3a. Accordingly, the distance that the unauthorized member passes through the gap H is increased, and the unauthorized member can be prevented from entering the inside of the case. This change in the thickness of the wall surrounding the guide hole 13 can be applied to the embodiments shown in FIGS.

FIG. 8 shows a sixth embodiment of the present invention. In the first to fifth embodiments, the ball launch control device is exemplified as the pachinko machine mounting device, but in the sixth embodiment, the symbol control device is exemplified as the pachinko machine mounting device. This symbol control device may be attached to the back of a symbol display device attached to a game board, or may be attached to a game board separately from the symbol display device.

In FIG. 8, the symbol control device has a structure mounted on the back of a symbol display device attached to a game board, and corresponds to the case base 14 corresponding to the case base 1 and the case cover 2. And a case cover 15. Inside the case base 14, a flat display panel 16 such as a liquid crystal panel, a circuit board 17 corresponding to the circuit board 3, and other components not shown are attached. The components not shown in the figure include, for example, a backlight, a light guide plate for guiding the light of the backlight to the entire rear surface of the display panel 16, a protective film for protecting the display panel 16 from static electricity, and the like. The display surface of the display panel 16 can be viewed from the front through a window (not shown) formed on the front surface of the case base 14.

The circuit board 17 has a brightness adjustment volume 18
And a tall transformer 21 having a high voltage specification and other electric components are mounted. The case cover 15 has a guide hole 22 corresponding to the guide holes 10; 11; The guide hole 22 protrudes from the case cover 15 toward the operation portion 19 of the brightness adjustment volume 18, and has a dimensional relationship of a diameter L 1 of the case-side opening 22 a> a diameter L 2 of the component-side opening 22 b, a gap H, and a guide hole. The truncated cone shape on the inner surface of 22 is the same as that of FIG. Therefore, Case Base 1
4 and the case cover 15 are provided with a circuit board 17 in its internal space.
When the brightness adjustment volume 18 is adjusted from the outside of the case cover 15 in a state where is stored and sealed, a tool (not shown) such as a driver is inserted into the guide hole 22 and the gap H.
By rotating the operation unit 19 by inserting it into the tool insertion groove 20 of the operation unit 19 via the, the brightness of the display panel 16 can be adjusted.

The tool insertion grooves 8 and 20 can be applied to a convex portion. In this case, instead of the driver, a tool having a concave portion capable of rotating the operating portion 7; 19 by engaging with the convex portion may be used.

[Brief description of the drawings]

FIG. 1 is a side view of a first embodiment of the present invention.

FIG. 2 is an external perspective view of the first embodiment.

FIG. 3 is an exploded perspective view of the first embodiment.

FIG. 4 is a side view of a second embodiment of the present invention.

FIG. 5 is a side view of a third embodiment of the present invention.

FIG. 6 is a side view of a fourth embodiment of the present invention.

FIG. 7 is a side view of a fifth embodiment of the present invention.

FIG. 8 is a side view of a sixth embodiment of the present invention.

[Explanation of symbols]

 1: 14; Case base 2: 15; Case cover 3: 17; Circuit board 6 Ball hitting force adjustment volume (electrical component) 7; 12; 19; Operation unit 10; 11; 13; 22; Guide hole 10a; 13a; 22a; case-side opening 10b; 11b; 13b; 22b; component-side opening 18 brightness adjustment volume (electrical component)

Claims (3)

[Claims] 1. A pachinko machine mounting apparatus comprising: a circuit board housed inside a case attached to the pachinko machine; and electric components mounted on the circuit board and adjustable from outside the case. A pachinko machine mounting device comprising: a cylindrical guide hole formed from a case toward an operation part of an electric component. 2. The pachinko machine mounting device according to claim 1, wherein the case-side opening of the guide hole is formed larger than the component-side opening. 3. The pachinko machine mounting device according to claim 1, wherein the guide hole is formed in a frusto-conical shape whose diameter gradually decreases as it goes from the case side opening to the component side opening.