JP2556822Y2 - Printed circuit board mounting device for slot machine - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION This invention is Surottoma for mounting the printed circuit board inside the machine <br/> of slot machine
The present invention relates to a printed circuit board mounting device of Shin .

[0002]

2. Description of the Related Art Conventionally, such a printed circuit board mounting device 22 is used.
As shown in FIG. 5, a protective case 23 made of a synthetic resin in which a printed circuit board is housed,
And a metal mounting board 24 which is removably mounted. Both sides 25, 25 of the protective case 23
, Both side edges 26 of the printed board are projected along the length direction and over the entire length.

On the other hand, the mounting board 24 is
Each side wall 27 is provided with a support piece 29 having a length corresponding to both side edges 26 of the printed circuit board and having an insertion groove 28 for inserting each side edge 26. .

The mounting board 24 is screwed inside a machine such as a slot machine, so that the protective case 23 is located directly above the mounting board 24 and the side edges 26 of the printed board protruding from the protective case 23 are fixed. Supporting pieces 29, 29
Into the insertion grooves 28, 28 from the upper end.
Another printed board is fixed to the lower end of the mounting board 24, and when the protective case 23 is moved downward, a connector provided on the lower surface of the protective case 23 and an upper end of the printed board are provided. The connector and the connector are connected to each other.

[0005]

However, in this type of printed circuit board mounting device 22, both side edges 26 of the printed circuit board projecting from the protective case 23 are supported by support pieces 29, 26.
In order to insert and remove from the upper end of the insertion grooves 28, 28 of 29,
When attaching / detaching the protection case 23 to / from the mounting board 24, it is necessary to guide the protection case 23 to a position above the mounting board 24, which requires a large working space. Particularly, in the slot machine, since it is necessary to perform the attaching / detaching operation in a narrow space inside the body, there is a problem that the operation is difficult and the operation efficiency is poor.

The present invention has been made in view of the above-mentioned problem. By devising a portion of a protective case, in which a printed circuit board is housed, to the mounting substrate, the device can be easily and quickly printed even in a narrow space. Slot for attaching and removing boards
An object of the present invention is to provide a printed circuit board mounting device for a machine .

[0007]

SUMMARY OF THE INVENTION The present invention relates to a slot machine.
For mounting a printed circuit board inside the thin fuselage
Lint board mounting device, fixed inside the fuselage
The printed circuit board is stored inside the metal mounting board.
Detachable protective case made of synthetic resin
Consisting of In the protective case, a plurality of guide projections are integrally provided on both side surfaces along a length direction in a line.
The mounting substrate includes, on both sides, side walls facing each other across the width of the protective case, and each side wall has a position in the length direction corresponding to each guide protrusion of the protective case and a position higher than the guide protrusion. a plurality of guide pieces are provided a longer distance than the length of the guide projection is cut and raised inwardly formed.

[0008]

The guide case on both sides of the protective case is displaced from the guide pieces on both side walls of the mounting board, and the protective case is positioned at the front position of the mounting board. And the protective case is fitted into both side walls on the mounting substrate, and further, the protective case is moved along the surface of the mounting substrate to engage the guide projections inside the guide pieces. The same is true when the protective case is removed from the mounting board.The protective case is moved to disengage the guide projection and the guide piece, and the guide projection is passed through the gap between the guide pieces, and the protective case is removed from the mounting board. Remove it. As described above, since the protective case does not need to be guided to a position above the mounting board, the working space can be reduced.

[0009]

1 to 4 show an embodiment of the present invention.
This shows a printed circuit board mounting device 1 of a lot machine .
A protective case 2 in which a printed circuit board 11 is housed;
The protective case 2 comprises a mounting board 3 to which the protective case 2 is detachably mounted, and another printed board is mounted below the mounting board 3.

The protective case 2 is a synthetic resin molded body, and is a rectangular parallelepiped having a width W, a length L, and a height H. As shown in FIG. 4, the protective case 2 houses and holds a printed circuit board 11 between a hollow cover body 5 having one open side and a back plate 6 fitted in an open portion of the cover body 5.
These three members are integrally fixed by screws 35.

Both sides 7, 7 of the protective case 2 have an appropriate length c along the length direction at a height center position h.
The individual guide projections 8, 8 are integrally formed in a straight line, and the front surface 32 of the cover body 5 is provided with a concave portion 9 for making it easier to grasp the protective case 2 when attaching and detaching.
Further, a notch 36 is provided in the lower surface 31 of the cover body 5, and a connector 38 attached to the printed circuit board 11 projects from the notch 36.

The printed circuit board 11 has a CPU, an RO,
The main circuit elements for controlling the operation of the machine, such as the M and the RAM, are mounted. The printed circuit board 11 is accommodated in the protective case 2 to prevent the program from being modified.

The mounting substrate 3 is formed by subjecting a metal plate to sheet metal processing and forming both side walls 14, 14 on both sides of a substrate portion 15. The side walls 14 oppose each other across the width W of the protective case 2, and the protective case installation part 1 having a front opening between the side walls 14 on the plate surface of the substrate part 15.
8 are formed.

On each of the side walls 14, 14, at a position h 2 in the length direction corresponding to each of the guide projections 8, 8 of the protective case 2 and higher than the height position h of the guide projection 8,
Two guide pieces 19, 19 are formed by cutting and raising the side wall 14 inward with an interval d longer than the length c of the guide projection 8.

A lower end wall 16 for supporting another printed circuit board 4 is provided on the mounting substrate 3, and the lower end edge of the printed circuit board 4 is sandwiched between the cut-and-raised pieces 21, 21 formed on the lower end wall 16. At the same time, the board surface of the printed board 4 is fixed to the board section 15 with screws.

In the drawing, reference numerals 17a, 17b, and 17c denote mounting pieces for fixing the mounting substrate 3 to the inside of the body with screws.

In order to attach the protective case 2 to the mounting board 3 on which the printed board 4 is screwed,
As shown in FIG. 3, the protective case 2 is attached to the side wall 1 of the mounting board 3.
4, the guide projections 8, 8 of the protective case 2 are displaced from the guide pieces 19, 19 of the mounting substrate 3 to position the protective case 2 with respect to the mounting substrate 3. . Next, when the protective case 2 is moved in the X direction (negative direction) so as to approach the mounting board 3, the guide projections 8, 8 pass between the guide pieces 19, 19, and the protective case 2 is separated from the side walls 14, 14. Fit in between. Next, when the protective case 2 is moved in the Y direction (negative direction) along the surface of the mounting substrate 3, the connector 38 projecting from the lower part of the protective case 2 is connected to the connector 39 provided on the printed circuit board 4 and protected. The guide projections 8, 8 of the case 2 are engaged with the inside of the guide pieces 19, 19, and the protective case 2 is
Fixed to When the protective case 2 is to be removed from the mounting board 3, the reverse operation is performed. The protective case 2 is moved in the Y direction to disengage the guide projection 8 from the guide piece 19, and then the guide projection 8 is disengaged. The protective case 2 is pulled out of the mounting board 3 in the X direction through the gap between the guide pieces 19, 19.

[0018]

According to the present invention, as described above, a plurality of guide projections are arranged on both sides of a protective case containing a printed circuit board, and a position higher than the guide projections of the protective case is provided on both side walls of a mounting board. Since a plurality of guide pieces are cut and raised inward with an interval longer than the length of the guide projections, a mounting board fixed inside the body of the slot machine
Work space is small when attaching and detaching the protective case to
The protection case can be easily and quickly attached and detached within the small work space . In addition, since the guide piece is formed by cutting and raising the side wall of the mounting board, there is no need to separately manufacture and attach a support piece as in the conventional example, so that cost reduction can be achieved. It works.

[Brief description of the drawings]

FIG. 1 is a perspective view of a printed circuit board mounting apparatus according to an embodiment of the present invention.

FIG. 2 is an exploded perspective view of the printed circuit board mounting device of FIG.

FIG. 3 is a side view showing a state where the protective case is mounted on a mounting board.

FIG. 4 is a sectional view of a protective case.

FIG. 5 is an exploded perspective view showing a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Printed circuit board mounting apparatus 2 Protective case 3 Mounting board 8 Guide protrusion 14 Side wall 19 Guide piece

Claims (1)

(57) [Scope of request for utility model registration] 1. Printing inside the body of a slot machine
A printed circuit board mounting device for mounting substrates
The metal mounting board fixed inside the fuselage
Protective case made of synthetic resin containing the printed circuit board
A plurality of guide protrusions are provided integrally on both sides of the protective case along a length direction, and the mounting board is provided on both sides of the protective case. side walls which face each other across the width, a position higher than the guide projection to a respective position in a length direction corresponding to the respective guide projections of the protective case in each side wall, a longer interval than the length of the guide projection A printed circuit board mounting device for a slot machine, wherein a plurality of guide pieces are cut and raised inward.