JP2001204940A - Substrate box for game machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a substrate box for game machine wherein a forced opening of a box base and box cover can be prevented from occurring, and an illegal action to the circuit substrate can be prevented from occurring. SOLUTION: When the box cover 12 is placed on the open section of the box base 11, the fitting protrusion 11i of the box base 11 is fitted in the fitting recess 12j of the box cover 12. Therefore, for example, even if a sheet-form tool or the like is inserted in the joint between the box base 11 and the box cover 12, i.e., a space between the bonding surfaces of side wall plates 11b to 11e and side wall plates 12b to 12e, and this substrate box 10 is tried to be forcibly opened, the tip end section of the sheet-form tool or the like hits the fitting protrusion 11i, and the insertion can be prevented from occurring. By the prevention of such an insertion, such an illegal action that a signal wire for a circuit pattern or the like, which is provided on the part surface 13a of a main control substrate 13 is chipped by the tip end of the sheet-form tool or the like, and the content of a game is altered, can be prevented from occurring as well.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a board box for a game machine which encloses a circuit board on which a control component of the game machine is mounted, and more particularly to preventing a box base and a box cover from being pryed open, thereby preventing unauthorized use of the circuit board. The present invention relates to a game machine board box capable of preventing an action.

[0002]

2. Description of the Related Art In recent years, gaming machines such as pachinko machines, which control a prize device, a display device, and the like provided on the game board, have become the mainstream to enhance the interest of the game. The control of the winning device and the display device is performed by IC, LS
This is performed by a logic circuit board on which a large number of electronic components such as I are mounted, or a circuit board having a microcomputer. These circuit boards are enclosed in a board box provided with a box base and a box cover, and a part of the box base and the box cover of the board box are joined and sealed by a special sealing screw.

[0003] The sealing screw used for this sealing has a cross-shaped groove formed at the head thereof so that the tip of a screwdriver can be engaged only in the screwing direction. Therefore, when the screwdriver is engaged with the cross groove and rotated in the anti-screw-in direction, the screwdriver is idled and the sealing screw is prevented from being removed. Therefore, by sealing the board box with such a sealing screw, the opening of the board box is prevented, so that the contact with the circuit board wrapped in the board box or the removal of the ROM from the circuit board to replace the Fraud that alters the content is prevented.

[0004]

However, in the above-mentioned board box, only a part of the box base and the box cover are joined by the sealing screw, and the joint (contact surface) of the box base and the box cover is substantially flat. Each is formed in a shape. For this reason, a gap is opened at the joint of the box base and the box cover by pressing and bending the joint of the box base and the box cover, or by inserting a thin plate tool or the like at the joint, and the board box is pryed open. There was a problem that would.

When the board box is pryed open in this manner, a thin plate-shaped tool or the like can be inserted through a gap formed at the joint between the box base and the box cover. There has been a problem that a signal line such as a circuit pattern on a substrate is cut and cut, and the game content is illegally changed.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-described problems, and a board box for a game machine which can prevent a box base and a box cover from being pryed open, thereby preventing illegal acts on a circuit board. It is intended to provide.

[0007]

In order to achieve this object, a board box for a game machine according to the first aspect of the present invention is a box having one open side for accommodating a circuit board on which control parts of the game machine are mounted. A box cover which covers the circuit board together with the box base and which is covered by an open portion of the box base, and which is provided in a substantially concave shape at one edge of one of the box base or the box cover; An insertion recess, and a projection that is provided in a substantially convex shape on one edge of the other of the box base or the box cover so as to face the insertion recess, and is inserted into the insertion recess by a predetermined length. Section.

According to the board box for a game machine of the present invention, when the circuit board is housed in the box base from the open portion of the box base and the box cover is covered by the open portion of the box base, The circuit board is enclosed by the base and the box cover. here,
When the box cover is covered by the box base, the insertion protrusion is inserted into the insertion recess by a predetermined length. Therefore, even if a thin plate-shaped tool or the like is inserted between the insertion concave portion and the insertion convex portion in order to pry one edge of the box base and the box cover, the tip of the tool or the like is inserted into the insertion concave portion. Abutting against the insertion convex portion inserted into the connector to prevent such insertion.

[0009]

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. FIG. 1 is a rear view of a pachinko machine 1 provided with a main control board box 10 which is one embodiment of a board box for a gaming machine of the present invention. In FIG. 1, for easy understanding, a part of the box cover 12 of the main control board box 10 is partially cross-sectionally viewed, and the component surface 13 a of the main control board 13 is shown.
The illustration of the various electronic components mounted on the device is omitted.

The pachinko machine 1 is a so-called first-class pachinko game machine, and a game board 3 is attached to an inner periphery of a front frame 2 which is a rectangular frame. The front of the game board 3 (FIG. 1)
A game area into which a ball is struck is formed on the back side with respect to the paper surface of FIG. 1, while a mechanism board 4 is disposed on the back side of this game board 3 (on the front side with respect to the paper surface of FIG. 1). An opening window 4a, which is a substantially rectangular opening, is provided substantially at the center of the mechanism panel 4.
The accessory cover 5 covers almost the entire area of the opening window 4a.

The accessory cover 5 is a member for covering the back surface of the game board 3 exposed from the opening window 4a of the mechanism board 4 to the back side of the mechanism board 4, and a cover attached to the back surface of the game board 3. It is supported by the support member 6 so that it can be opened and closed. Opening window 4a in which the lower part of the mechanism panel 4 is covered, that is, the accessory cover 5 is covered.
A mounting base 7 formed of a thin steel material or the like is provided at a lower edge portion of the main control board box (hereinafter, simply referred to as a “board box”) 10. Mounted as possible.

The board box 10 encloses and accommodates a main control board 13 for controlling the entire game contents of the pachinko machine 1, and is formed in a substantially hollow box-like body with a transparent synthetic resin material or the like. I have. The board box 10 mainly includes a box base 11 that houses the main control board 13, and a box cover 12 that is covered by the box base 11 and covers the main control board 13 together with the box base 11. . On one surface of the main control board 13 (on the front side with respect to the plane of FIG. 1), a component surface 13a on which various electronic components (control components) are mounted is provided.
A solder surface 13b to which various electronic components are to be soldered is provided on the opposite side (rear side with respect to the paper surface of FIG. 1).

FIG. 2 is an enlarged plan view (back view) of the board box 10 disposed on the mechanism panel 4, and an arrow Z in the figure.
Indicates the sliding direction (mounting direction) of the board box 10 when the board box 10 is mounted on the mounting base 7. In FIG. 2, for easy understanding,
The box cover 12 of the main control board box 10 and a part of the main control board 13 are partially viewed in cross section, and illustration of various electronic components mounted on the component surface 13a of the main control board 13 is omitted.

The board box 10 includes a box base 11
The main control board 13 is housed and enclosed by overlapping (coalescing) the box cover 12 with each other. On each of the left and right sides of the board box 10, four box sealing tools 20 (eight in total) are provided which are combined with the box base 11 and the box cover 12 to seal the board box 10. Since the board box 10 is sealed by the box sealer 20 so that the board box 10 cannot be opened, the board box 10 is illegally opened and the electronic component mounted on the main control board 13 is replaced to change the game content. Can be prevented. The details of the box seal 20 will be described later.

The box base 11 has a substantially rectangular flat bottom plate 11a on which the main control board 13 is installed, and this bottom plate 11a faces the solder surface 13b of the main control board 13 (the back side with respect to the plane of FIG. 2). It is provided. Here, FIG.
The box base 11 will be described with reference to FIG.

FIG. 3 is a plan view of the box base 11, and a part of the central portion thereof is not shown. As shown in FIG. 3, the bottom plate 11a of the box base 11 is formed in a substantially rectangular flat plate shape, and substantially flat side wall plates 11b to 11e are respectively provided at four end sides of the bottom plate 11a (see the paper surface of FIG. 3). To the near side). The end portions of these side wall plates 11b to 11e are continuously provided so as to form a rectangular shape in a plan view, and the box base 11 is opened on one surface by these five bottom plates 11a and side wall plates 11b to 11e. (See FIG. 4).

The bottom plate 11a is closer to the side wall plate 11b (FIG. 3).
A substantially plate-shaped rib 11a1 is provided on the side wall 11
3 and protrudes toward the near side with respect to the paper surface of FIG. 3 at the corner of the continuous portion of the side wall plates 11d and 11e on the bottom plate 11a. It protrudes to the near side. Also, the bottom plate 11a
At the four corners, approximately cylindrical bosses 11a3 are projected one by one (a total of four), and screws B for screwing the box cover 12 to the box base 11 are provided substantially at the centers of the bosses 11a3. A circular screw hole h into which is screwed is recessed.

The ribs 11a1 and 11a2 and the bosses 11a3 are provided inside the box base 11 on the main control board 1a.
3 is accommodated, the solder surface 13b of the main control board 13
5 to support the main control board 13 (FIG. 5).
Reference), a gap can be provided between the solder surface 13b of the main control board 13 and the bottom plate 11a to prevent contact between the solder surface 13b and the bottom plate 11a. Moreover, these ribs 11
The a1 and 11a2 and the bosses 11a3 are flush with each other and have substantially the same height, so that the main control board 13 can be supported in the box base 11 without rattling.

The box base 11 has substantially rectangular flat engagement ribs 11f at the upper and lower ends of the outer surface of the side wall plate 11c and the upper and lower ends of the outer surface of the side wall plate 11e.
Are protruded outward. These four engagement ribs 11f
Are portions for connecting the board box 10 to the mounting base 7, and are formed so as to be able to be engaged with the respective engaging hooks 7a provided at the four corners of the mounting base 7 (see FIGS. 2 and 6).

Returning to FIG. At four corners of the mounting base 7, engagement hooks 7a bent in a substantially U-shape (see FIG. 6) are provided. Each engagement hook 7a is engaged with each engagement rib 11f of the box base 11. Has been entered. With this engagement, the board box 1
0 is detachably attached to the mounting base 7.
Further, the board box 10 is slid with respect to the mounting base 7 in the direction opposite to the arrow Z so that each engagement rib 11f is formed.
Is removed from each engagement hook 7a, so that the board box 10 can be removed from the mounting base 7.

The box cover 12 is a substantially rectangular plate-like top plate 12 that is covered by the box base 11 so as to face the component surface 13a of the main control board 13 (on the front side with respect to the plane of FIG. 2).
a. On the four end sides of the top plate 12a, substantially flat side wall plates 12b to 12e corresponding to the respective side wall plates 11b to 11e of the box base 11 are on the box base 11 side (rear side with respect to the paper surface of FIG. 2). Each is erected toward. The end portions of the side wall plates 12b to 12e are continuously provided so as to have a rectangular shape in a plan view, and the box cover 12 is composed of the five top plates 12a and the side wall plates 12a.
The main control board 13 housed in the box base 11 is formed in a substantially rectangular bowl-like shape having an open portion on one surface facing the component surface 13a by b to 12e (see FIG. 4).

The upper edge of the top plate 12a (upper side in FIG. 2), ie,
A substantially rectangular wiring recess 12f is formed in the edge portion of the top plate 12a on the side of the side wall plate 12b over substantially the entire area in the longitudinal direction (the left-right direction in FIG. 2). Further, the lower right edge of the top plate 12a (the lower right side in FIG. 2), that is, the side wall plate 1 of the top plate 12a
At the edge on the 2d side, a substantially rectangular wiring recess 12g is provided. These wiring recesses 12f and 12g are portions from which wiring cords (not shown) connected to the main control board 13 are led out, and are located on the back side of the wiring recesses 12f and 12g (on the back side with respect to the plane of FIG. 2). Is a substantially rectangular flat cover plate 12f
It is blocked by 1,12g1.

A plurality (nine) of substantially rectangular connector ports 12f2 are formed in the cover plate 12f1 of the wiring recess 12f, and the connector ports 12f2 are mounted on the component surface 13a of the main control board 13 from the respective connector ports 12f2. 9 connectors 13
c are exposed to the outside of the substrate box 10, respectively. On the other hand, one substantially rectangular connector port 12g2 is formed in the cover plate 12g1 of the wiring recess 12g, and one connector mounted on the component surface 13a of the main control board 13 is opened from the connector port 12g2. 13d is exposed outside the substrate box 10.

By connecting a wiring cord to each of the connectors 13c and 13d, the pachinko machine 1
Other electric components, such as a payout control board for controlling the payout of balls, a power supply circuit board for supplying power to the main control board 13, and the like can be connected to the main control board 13. Moreover, the periphery of each of the connectors 13c and 13d on the component surface 13a of the main control board 13 is covered with a cover plate 12f.
1, 12g1, so that the recesses 12f, 1
The action of contacting the component surface 13a of the main control board 13 from 2g can be prevented.

At the four corners of the top plate 12a of the box cover 12, substantially circular through holes 12h are respectively formed. Each through hole 12h is a hole into which a screw B for fixing the box cover 12 to the box base 11 is inserted.
The box base 11 is formed so as to correspond to each screw hole h of each boss portion 11a3. Screws B are inserted into the through holes 12h, and the screws B are screwed into the screw holes h of the box base 11, respectively (see FIG. 5).

FIG. 4 is an exploded perspective view of the board box 10. In FIG. 4, in order to facilitate understanding, the box cover 12 is perspectively viewed from the back surface, the box sealing tool 20 disposed on the box base 11 and the box cover 12, and the component surface 13 a of the main control board 13.
The illustration of various electronic components mounted on (the upper surface in FIG. 4) is omitted.

As shown in FIG. 4, a notch 11g cut in a substantially concave shape is formed substantially at the center of the upper edge of the side wall plate 11b of the box base 11, and the side wall plate 11d is formed.
A notch 11h cut out in a substantially concave shape is formed on the upper edge of the side wall plate 11e side (right side in FIG. 4). In addition, the end faces of the side wall plates 11b to 11e (notches 11g, 1
1h), a substantially flat insertion protrusion 11i is provided upright by a predetermined amount (a predetermined height). The insertion convex portion 11i is provided upright at the entire joint portion of the box base 11 with the box cover 12.

The thickness of the insertion protrusion 11i is determined by the thickness of each side wall plate 1.
Steps 11j are provided between the outer peripheral surface of the insertion protrusion 11i and the outer surfaces of the side wall plates 11b to 11e. This step 11j
Each side wall plate 1 erected on the outer periphery of the box cover 12
2b to 12e, and when the box cover 12 is fitted to the box base 11, it comes into contact with the end faces of the side walls 12b to 12e of the box cover 12 (see FIGS. 5 and 6). ).

On the top plate 12a of the box cover 12, the above-mentioned side wall plates 12b to 12e are provided upright at four ends on the outer periphery. A substantially central portion of the side wall plate 12b is formed in a substantially convex shape conforming to the shape of the cutout portion 11g of the box base 11, and a portion of the side wall plate 12d on the side of the side wall plate 12e (the right side in FIG. Is formed in a substantially convex shape conforming to the shape of the notch 11h. Therefore, when the box cover 12 is matched with the box base 11, the notches 11g and 11h of the box base 11 are provided.
Is closed when the substantially convex portions of the side walls 12b and 12d of the box cover 12 are inserted.

Each side wall plate 1 is provided around the top plate 12a.
Inside the standing positions of 2b to 12e, the shielding wall plates 12i having a substantially rectangular shape in plan view are in the same direction as the side wall plates 12b to 12e (FIG. 4).
(Upper side). This shielding wall plate 12i
Are erected at predetermined intervals from the side wall plates 12b to 12e, and each of the side wall plates 12b to 12e is
A substantially concave insertion concave portion 12j is provided between the first and second concave portions 2i.

The insertion concave portion 12j is formed in the entire periphery of the joint of the box cover 12 and the box base 11 corresponding to the above-mentioned insertion convex portion 11i, and the insertion convex portion 11i can be inserted. Is formed. Therefore, when the box cover 12 matches the box base 11, the insertion convex portion 11 i of the box base 11 can be inserted into the insertion concave portion 12 j of the box cover 12.

The end surface (upper side in FIG. 4) of the shielding wall plate 12i is formed substantially flush, and the above-mentioned wiring recesses 12f and 12g are formed on the inner periphery of the shielding wall plate 12i.
Are provided in a row. The covering plates 12f1 and 12g1 are provided substantially flush with the end surface of the shielding wall plate 12i.
When the box cover 12 is covered by the box base 11, the main control board 13
Is formed so as to be in contact with the entire periphery of the edge portion of the component surface 13a.

At the inner peripheral portion of the shielding wall plate 12i, the top plate 12
a to the covering plates 12f1 and 12g1
k, 12l are erected. Each partition wall plate 12k, 12
1 stands upright from the top plate 12a in a direction substantially perpendicular to the top plate 12a.
It is provided continuously so as to surround the edges of 2f1 and 12g1.
Since the part between the top plate 12a and the covering plates 12f1 and 12g1 is partitioned by the partition wall plates 12k and 12l,
When the main control board 13 is accommodated in the board box 10, it is possible to prevent the outside of the box cover 12 from touching the main control board 13.

At the four corners of the shielding wall plate 12i, the four through holes 12h are formed so as to penetrate the top plate 12a and the shielding wall plate 12i. The through holes 12h are respectively formed corresponding to the four through holes 13e formed at the four corners of the main control board 13.

FIG. 5 is a side sectional view taken along the line VV of FIG. 2, and FIG. 6 is a side sectional view taken along the line VI-VI of FIG. In FIG. 6, the central portion is partially omitted, and in FIGS. 5 and 6, various electronic components mounted on the component surface 13a of the main control board 13 are shown for easy understanding. Illustration of parts is omitted.

As shown in FIG. 5, the mounting base 7 mainly includes a substantially flat main plate 7b in which the above-mentioned four engaging hooks 7a are formed at four corners, and a mechanism panel 4 connected to the main plate 7b. And a support stay 7c attached to the support stay 7c. Main plate 7
A substantially flat base plate 7d is integrally formed at the lower end of b (the lower side in FIG. 5), and these plates 7b and 7d are continuously provided in a substantially L-shape in side view. The base plate 7d is a plate material that supports the box base 11 of the board box 10, and is in contact with the outer surface (the lower side in FIG. 5) of the side wall plate 11d of the box base 11.

Side wall plate 11b of box base 11
Insertion protrusions 11i are provided upright on the end surfaces (the surface on the right side in FIG. 5) of the upper side (FIG. 5) and the side wall plate 11d (lower side in FIG. 5). Insertion projection 1 erected on the end face of this side wall plate 11b
1i is inserted into an insertion recess 12j recessed in a portion between the side wall plate 12b and the shielding wall plate 12i of the box cover 12, and an insertion projection 1 standing upright on an end face of the side wall plate 11d.
1i is inserted into an insertion concave portion 12j formed in a portion between the side wall plate 12d and the shielding wall plate 12i of the box cover 12.

On the other hand, as shown in FIG. 6, the side wall plate 11c (left side in FIG. 6) and the side wall plate 11
e (right side in FIG. 6), an insertion convex portion 1 is provided on an end surface (upper surface in FIG. 6).
1i are erected. The insertion protrusion 11i erected on the (upper) end face of the side wall plate 11c is inserted into an insertion recess 12j provided between the side wall plate 12c and the shielding wall plate 12i of the box cover 12. Side wall plate 11
The insertion protrusion 11i provided upright on the end face of e is inserted into the insertion recess 12j provided between the side wall plate 12e and the shielding wall plate 12i of the box cover 12.

As described above, the insertion protrusion 11i inserted into the insertion recess 12j shown in FIGS.
The end faces of the side walls 12b to 12e of the box cover 12 are in contact with the step 11j of the box base 11. In such a state, the outer surfaces of the side wall plates 11b to 11e are
It is substantially flush with the outer surface of 2e. Therefore, a finger or the like cannot be hooked on a joint between the box base 11 and the box cover 12, that is, a contact portion between the side wall plates 11b to 11e and the side wall plates 12b to 12e, thereby making it difficult to pry open the board box 10. it can.

On the inner surface of the insertion concave portion 12j, that is, the surface of the side wall plates 12b to 12e facing the shielding wall plate 12i, the insertion direction of the insertion convex portion 11i (the right side in FIG. 5 or the upper side in FIG. 6). An inclined surface 12j1 inclined toward is provided. The inclined surface 12j1 is inclined so as to gradually decrease the groove width of the insertion concave portion 12j in the insertion direction of the insertion convex portion 11i, that is, in the depth direction of the insertion concave portion 12j. Thereby, the insertion protrusion 11i inserted into the insertion recess 12j can be guided, and the box base 11 and the box cover 12 can be easily matched.

Further, the slope surface 12 in the insertion convex portion 11i
The surface facing j1 is inclined in the same direction as the inclined surface 12j1, and is in contact with the inclined surface 12j1.
As described above, since the insertion protrusion 11i is in contact with the slope 12j1 of the insertion recess 12j, the insertion protrusion 11i and the slope 1
There is no gap between the 2j1 and 2j1. Therefore, it is possible to prevent the board box 10 from being pryed open by inserting a thin plate-shaped tool or the like into such a gap, and to prevent the main control board 13 encapsulated in the board box 10 from being fraudulently acted.

The ribs 11a1 and 11a2 of the box base 11 and the bosses 11a3 are in contact with the solder surface 13b (left side in FIG. 5 or lower side in FIG. 6) of the main control board 13. The edge of the surface 13a (the right side in FIG. 5 or the upper side in FIG. 6) is in contact with the shielding wall plate 12i and the covering plate 12f1 (and the covering plate 12g1) of the box cover 12. By this contact, the main control board 13
The main control board 13 is held between the box base 11 and the box cover 12 and can be accommodated in the board box 10 without rattling.

Further, the box cover 12 is attached to the top plate 1.
Screws B are respectively inserted into four through holes 12h formed in 2a. Each of the screws B is passed through a through hole 13e of the main control board 13, and each boss 11 of the box base 11 is inserted.
It is screwed into the screw hole h of a3. The box cover 12 is fixed (fixed) to the box base 11 by these screws B, and the main control board 13 is fastened between the box base 11 and the box cover 12 together.

Therefore, when the main control board 13 is fixed in the box base 11, the box cover 12 and the main control board 13 can be fixed to the box base at a time. It is not necessary to fix the board box 10 with screws or the like, and the assembly work of the board box 10 can be simplified.

As shown in FIG. 6, the box seal 20
The seal member 2 mainly disposed on the box base 11
1 and a sealing member 22 disposed on the box cover 12
And sealing metal fittings 23 for connecting the sealing members 21 and 22. Side wall plate 11 in box base 11
A substantially hollow prism-shaped sealing member 21 is integrally provided on the outer surfaces of c and 11e, and the side wall plate 1 of the box cover 12 is provided.
On the outer surfaces of 2c and 12e, a sealing member 22 corresponding to the sealing member 21 is integrally provided.

The sealing member 21 is provided with an insertion hole 21a for inserting the plate portion 23a of the sealing member 23 on the surface (upper side in FIG. 6) facing the sealing member 22. Further, inside the sealing member 21, an internal space 21b communicating with the insertion hole 21a is provided, and a locking surface 21c on which the locking claw 23c of the sealing metal fitting 23 is locked above the internal space 21b. Is provided.

The sealing member 22 has an engagement hole 22a at its upper end surface (upper side in FIG. 6) into which a substantially ring-shaped head 23b of the sealing member 23 is engaged.
Is connected to an insertion hole 22b penetrating to the lower end surface of the sealing member 22. The insertion hole 22b is a hole into which the plate portion 23a of the sealing fitting 23 is inserted.
1a.

The sealing member 23 includes a pair of sealing members 21 and
2, a plate portion 23a formed substantially in a flat plate shape, a head portion 23b formed in a substantially ring shape on one end side (upper side in FIG. 6) of the plate portion 23a, and a plate portion. And a locking claw 23c extending substantially in the shape of a letter outwardly from a substantially central portion in the longitudinal direction (vertical direction in FIG. 6) of 23a.

On the outer surface of the sealing member 21, there is provided a substantially C-shaped (see FIG. 3) plan view holding portion 21d for holding a spare sealing metal 24 of the same type as the sealing metal 23. The head 2 of the spare sealing fitting 24 is attached to the holding portion 21d.
3a is hooked. Further, the spare sealing fitting 24 is provided with a cover wall 22 provided on the outer surface of the sealing member 22.
c, and is prevented from falling off from the holding portion 21d. Since the spare sealing member 24 is the same type of member as the sealing member 23, the respective parts are denoted by the same reference numerals as the sealing member 23, and the description thereof will be omitted.

Next, a method of housing the main control board 13 in the board box 10 configured as described above will be described. First, as shown in FIG. 3, the main control board 13 is moved from the open portion of the box base 11 to the bottom plate 1 with the solder surface 13b facing the bottom plate 11a of the box base 11.
1a, and housed in the box base 11. Main control board 13 housed in box base 11
Means that the solder surface 13b has ribs 11a1, 11a2 and 4
The two bosses 11a3 are in contact with the protruding end surfaces of the bosses 11a3, and are supported in the box base 11 while being spaced from the bottom plate 11a.

The box cover 11 covers the box base 11 containing the main control board 13 as described above. When the box cover 12 is to be covered, the box base 12 is set up with the standing surface of the shielding wall plate 12 i of the box cover 12, that is, the open portion of the box cover 12 facing the component surface 13 a of the main control board 13. 11 is matched. With this match, the box cover 12 is covered by the box base 11, and the main control board 13 is accommodated in the board box 10 while being covered.

When the box cover 12 is covered, the insertion protrusions 11i erected on the respective side wall plates 11b to 11e of the box base 11 are connected to the respective side wall plates 12b to 12e of the box cover 12.
Insertion recess 1 recessed between 12e and shielding wall plate 12i
2j. On the other hand, by covering the box cover 12, the shielding wall plate 12i of the box cover 12, the covering plate 1
2f1 and 12g1 are brought into contact with each other.
Is sandwiched between.

Thereafter, screws B are inserted into the four through holes 12h of the box cover 12, and these screws B are passed through the through holes 13de of the main control board 13, and screw holes of the respective boss portions 11a3 of the box base 11 are formed. h, the box cover 12 is attached to the box base 1.
1 and the main control board 13 is fastened together between the box base 11 and the box cover 12.

After the screws B are screwed, the board box 10 is sealed by the box sealing tool 20. Specifically, when the box base 11 and the box cover 12 are matched, the sealing members 21 and 22 come into contact with each other while facing each other. After the sealing members 21 and 22 abut, the engagement holes 22a of the sealing member 22 disposed on the uppermost side of the side wall plate 11c in the box cover 12 shown in FIG. 2 and the lowermost side of the side wall plate 11e are disposed. And the engagement hole 22a of the sealing member 22
The sealing fittings 23 are inserted respectively.

The sealing fitting 2 inserted into the engagement hole 22a
3 is the insertion hole 21 of the sealing member 21 passing through the insertion hole 22b.
a. Thereafter, when the insertion of the sealing member 23 is further continued, the locking claw 23c of the sealing member 23 is
As shown in FIG. 6, the locking claw 23c is caught and locked by the locking surface 21c, and the head 23b of the sealing member 23 is inserted into the engaging hole 22a of the sealing member 22 as shown in FIG. Is engaged. As a result, the sealing member 23 cannot be removed from the sealing members 21 and 22, and
The sealing member 23 connects the sealing member 21 and the sealing member 22 with each other. By this connection, the box base 11 and the box cover 12 are joined, and the board box 10 is sealed.

As described above, according to the board box 10 of the present embodiment, the box base 11 is provided with the projections 11i on the entire periphery of the joint portion with the box cover 12, while The box cover 12 is provided with an insertion recess 12j in which the insertion protrusion 11i can be inserted around the entire periphery of the joint portion with the box base 11. Therefore, when the box cover 12 is covered by the open portion of the box base 11, the insertion protrusion 11
i can be inserted into the insertion concave portion 12j of the box cover 12. Therefore, for example, the joint of the box base 11 and the box cover 12, that is, the side wall plate 11b
A thin plate-shaped tool or the like is inserted between the joining surfaces of the base plate 11e and the side wall plates 12b to 12e to open the board box 10, but the tip portion of the thin plate-shaped tool or the like is inserted into the projection 11i.
, So that the insertion can be prevented.

Further, the side wall plates 11b to 11e are pressed inward of the board box 10, and the insertion protrusion 11i of the box base 11 and the side wall plates 12b to 11b of the box cover 12 are formed.
Even if a thin plate-shaped tool or the like is inserted from the gap, the tip of the thin plate-shaped tool or the like abuts on the top plate 12a or the shielding wall plate 12i. Etc. are no longer inserted. As described above, according to the board box 10, the box base 11 and the box cover 12 are prevented from being pryed open by inserting a thin plate-shaped tool or the like, so that the main control board accommodated in the board box 10 is prevented. It is possible to prevent a fraudulent act of illegally changing the game content of the pachinko machine 1 by removing the ROM or the like from the PC 13 and replacing it.

Further, since the shielding wall plate 12i is erected from the top plate 12a so as to abut on the edge of the component surface 13a of the main control board 13, a thin plate-shaped tool or the like is used.
There is no contact with the component surface 13a of the main control board 13 beyond i. Therefore, it is possible to further prevent a fraudulent act of changing the game content due to a signal line such as a circuit pattern provided on the component surface 13a of the main control board 13 being shaved by the tip of a thin plate tool or the like.

As described above, the present invention has been described based on the embodiments. However, the present invention is not limited to the above embodiments, and various improvements and modifications can be made without departing from the gist of the present invention. Can be easily inferred.

For example, the joint between the box base 11 and the box cover 12 in this embodiment is
1i was joined by being inserted into the insertion recess 12j, but the joint is not limited to this, and the joint may be joined in a labyrinth structure. For example, a plurality of insertion protrusions that are erected in parallel from the inside to the outside of the end face of the side wall plate in the box base,
A plurality of insertion recesses may be provided in parallel from the inside to the outside of the end face of the side wall plate in the box cover, and the plurality of insertion protrusions may be inserted into the plurality of insertion recesses. .

In this embodiment, the box base 11
The insertion protrusion 11i is erected on each of the side wall plates 11b to 11e.
The insertion recess 12j is recessed in each of the side wall plates 12b to 12e of the box cover 12. For example, the insertion recess is recessed all around the joint portion of the box base 11 with the box cover 12, and the box cover 12 is recessed. May be erected on the entire circumference of the joint portion with the box base 11.

Further, in this embodiment, the side wall plates 11b to 11b
e and the joining portions of the side wall plates 12b to 12e were joined in a definite manner, but the shape of the joint of such joining portions is not necessarily limited to this. It may be configured in the shape of a tobagi, such as a real hagigi, a reciprocal hagi, or an arrow. That is, when the insertion convex portion is inserted into the insertion concave portion so as to be coincident with the insertion concave portion, any shape may be used as long as the two are joined in an uneven shape.

In the present embodiment, the present invention is applied to the board box 10 accommodating the main control board 13, but other circuit boards provided in the game machine, for example, a payout control board for controlling the payout of balls. The present invention may be applied to a board box that accommodates the above.

The following is a modification of the present invention. 2. The gaming machine board box according to claim 1, wherein the insertion recess is provided on the entire periphery of one of the box base and the box cover, and the insertion projection is an edge on the other of the box base and the box cover. A substrate box 1 for a gaming machine, wherein the substrate box 1 is erected on the entire periphery of the section.

In the gaming machine board box or the gaming machine board box 1, the insertion recess or the projection is provided at one edge of the box cover. An end face of the fitting concave portion or the inserting convex portion is in contact with the circuit board accommodated in the box base, and is configured to sandwich the circuit board together with the box base. Substrate box 2. Therefore, since the circuit board covered by the box base and the box cover is sandwiched between the box base and the box cover, it is possible to prevent the circuit board from rattling in the game machine board box.

The gaming machine board box 2 includes a fastening member for connecting and fastening the box cover to the box base, and the fastening member is in contact with the end face of the insertion recess or the projection. The board box 3 for a gaming machine, wherein the circuit board to be contacted is fixedly attached to the box base together with the box cover.
Therefore, when the circuit board is fixed to the box base, the circuit board is fixed to the box base together with the box cover by the fixing member, so that the circuit board is fixed to the box base separately from the box cover. It is not necessary, and the assembling work of the game machine board box can be simplified.

The board box for a game machine according to claim 1, or any one of the board boxes for a game machine 1 to 3, wherein an inner surface of the insertion recess has a width corresponding to the width of the insertion protrusion. A game machine board box 4 provided with a slope surface that gradually decreases in the insertion direction of the game machine. Therefore,
Since the insertion convex portion inserted into the insertion concave portion is inserted while being guided by the inclined surface, the insertion convex portion can be easily inserted when the box cover is covered with the box base. .

In the gaming machine board box 4, a surface of the insertion convex portion facing the inclined surface is inclined in the same direction as the inclination direction of the inclined surface, and the insertion convex portion is inserted into the insertion concave portion. A game machine board box 5 characterized in that it is formed so as to be able to come into contact with the inclined surface when inserted. As described above, since the surface of the insertion convex portion facing the slope surface is in contact with the gradient surface of the insertion concave portion, no gap is formed between the insertion protrusion and the inclined surface. Therefore, it is possible to prevent a fraudulent act of inserting a thin plate-shaped tool or the like into such a gap and prying the gaming machine substrate box open.

In the game machine board box according to claim 1 or any of the game machine board boxes 1 to 5, when the insertion protrusion is inserted into the insertion recess,
The board box 6 for a game machine, characterized in that the joint between the insertion concave portion and the insertion convex portion is joined or joined in a shape of a tongue and groove.

[0070]

According to the game machine board box of the present invention, when the box cover is covered by the open portion of the box base, the fitting provided on one edge of one of the box base and the box cover. An insertion protrusion provided on one edge of the other of the box base or the box cover is inserted into the recess at a predetermined length. Therefore, even if a thin plate-shaped tool or the like is inserted between the insertion concave portion and the insertion convex portion in order to pry one edge of the box base and the box cover, the tip of the tool or the like is inserted into the insertion concave portion. Abuts on the insertion convex portion inserted into the, so that insertion of a thin plate-shaped tool or the like can be prevented. Since the box base and the box cover are prevented from being pryed open by preventing the insertion, a thin plate-shaped tool, wire, or the like is inserted through a gap in the pneumatic game machine board box to perform an improper processing on the circuit board. It is possible to prevent an illegal act of changing the game content.

[Brief description of the drawings]

FIG. 1 is a rear view of a pachinko machine provided with a main control board box according to an embodiment of the present invention.

FIG. 2 is an enlarged plan view of a board box provided on a mechanism panel.

FIG. 3 is a plan view of a box base.

FIG. 4 is an exploded perspective view of the substrate box.

FIG. 5 is a side sectional view taken along line VV of FIG. 2;

FIG. 6 is a side sectional view taken along line VI-VI in FIG. 2;

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Pachinko machine (game machine) 10 Main control board box (game machine board box) 11 Box base 11b-11e Side wall board (part of edge of box base) 11g, 11h Notch (one edge of box base) 11i Insertion convex portion 12 Box cover 12b-12e Side wall plate (part of edge of box cover) 12i Shielding wall plate (part of edge of box cover) 12j Insertion concave portion 12j1 Inclined surface 12f1, 12g1 Cover Installation board (part of edge of box cover) 12k, 12l Partition wall board (part of edge of box cover) 13 Main control board (circuit board) 20 Box seal (part of fastening member) B screw (Part of fastening member)

Claims (1)

[Claims] 1. A box base having an open surface for accommodating a circuit board on which a control component of a gaming machine is mounted, and a box base covered by an open portion of the box base and covering the circuit board together with the box base. A board box for a gaming machine, comprising: a box cover for enclosing the box base; and an insertion recess provided in a substantially concave shape at one edge of one of the box base or the box cover; and the box base facing the insertion recess. Alternatively, a board box for a gaming machine, comprising: a substantially convex shape provided on one edge of the other side of the box cover; and a fitting convex portion which is fitted into the fitting concave portion by a predetermined length. .