JPH058705Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] This invention relates to an electronic device in which electronic components that can be operated or connected from the outside are exposed and attached to an outer casing.

[Background technology and its problems]

Electronic devices, such as television receivers, generally have adjustment switches, volume, etc. mounted on the board so that they can be operated from the outside, and connectors for inputting or outputting signals.
Terminals, etc. are exposed and attached to the outer casing so that they can be connected from the outside.

Fig. 1 is a perspective view showing the external appearance of a conventional television receiver, and Fig. 2 is a partially exploded perspective view enlarging the panel of the television receiver. The bottom part, front part and side part (cover) 2 are the bottom part 1A
3 is a board bracket attached to the boss 2 with screws 4; 5 is the board bracket 3;
The board 5 is fixed to the board 5 with screws 4A, and electronic components such as a slide switch 21, a volume 22, a connector 23, and a terminal 24 are mounted on the board 5.

6 is an opening corresponding to the board 5 provided in the cover 1C, 7 is a decorative panel inserted into the opening 6, and a hole 9 is provided in the recess 8 for exposing the slide switch 21 and the like to the outside. . In addition, 1
0 is a cathode ray tube (CRT) that is exposed and attached to the front section 1B.

The television receiver shown in FIG. 1 starts with a board 5 on which a slide switch 21, etc.
is attached to the substrate bracket 3, and this substrate bracket 3 is attached to the boss 2 of the bottom surface portion 1A. Then, as shown in FIG. 1, the front section 1B to which the CRT 10 is attached is connected and fixed to the bottom section 1A, and wiring is connected to a board (not shown), etc., and adjustments are made. After that, when the cover 1C is connected and fixed, the board 5 and the opening 6 face each other, the panel 7 is inserted into the opening 6, the slide switch 21 etc. is projected from the hole 9 into the recess 8, and the panel 7 is attached to the board 5 with screws 4B. can be attached and assembled into the television receiver in the state shown in Figure 1. Therefore, the slide switch 21 and volume 22 protruding from the hole 9 of the panel 7 can be operated from the outside, and external terminals can be connected to the connector 23, terminal 24, etc.

A conventional television receiver has a board 5 on which electronic components that can be operated or connected from the outside are mounted, as described above.
After mounting the board using the board bracket 3, the panel 7 was attached to the front of the board 5, so the board bracket 3 and the panel 7 were required to mount the board 5, which increased costs and required assembly work. It becomes complicated and difficult to work with.
Furthermore, when performing repairs or the like, since electronic components protrude into the recesses 8 of the panel 7, the cover 1C cannot be removed unless the panel 7 is removed, resulting in poor workability.

[Purpose of invention]

This idea was created in view of the above-mentioned problems, and by reducing the number of parts required to attach the board with electronic components mounted, it is possible to reduce costs and make manufacturing, repair, etc. easier. The aim is to provide electronic devices with

[Summary of the idea]

In order to achieve the above-mentioned purpose, this invention creates a predetermined hole in the recess of the board bracket, which also serves as a panel for mounting the board on which the electronic component is mounted, through which the electronic component protrudes into the recess. The bracket constitutes an electronic component as part of the outer casing, and the number of parts for mounting the board can be reduced, thereby reducing costs and improving workability in manufacturing, repair, etc.

〔Example〕

FIG. 3 is a perspective view showing the appearance of a television receiver that is an embodiment of this invention, FIG. 4 is a partially exploded perspective view of the board bracket of the television receiver, and FIG. This is a cross-sectional view of the substrate bracket taken along the line A--A, and the same parts as in FIGS. 1 and 2 are designated by the same reference numerals.

In these figures, 11 is a guide provided on the bottom portion 1A, 12 is a boss provided on the bottom portion 1A in correspondence with the guide 11, and 13 is a frame with a protruding periphery so as to serve as a part of the panel. A board bracket is formed in the recess 14 and has a hole 15 for protruding the slide switch 21 and the like, and a cylindrical part 1 on the lower side into which the guide 11 fits.
6. A board holder 17 is provided. A tongue piece 18 having elasticity for holding the substrate 5 is provided on the other surface of the substrate bracket 13.

Since the electronic device of this invention has the above-described configuration, when the board 5 on which the slide switch 21 etc. are mounted is placed at a predetermined position on the board bracket 13 and pressed from the back side of the board 5, as shown in FIG. , the tongue piece 18 is expanded, and the board 5 is placed in the board holder 17,
The slide switch 21 and other electronic components are held by the tongue piece 18 and protrude from the hole 15 into the recess 14. Then, the cylindrical portion 16 of this base bracket 13
When the guide 11 of the bottom portion 1A is inserted into the base bracket 13, the base bracket 13 is supported by the guide 11 and the boss 12. After that, the front part 1 with CRT10 etc. attached
B is connected and fixed, and the wiring is connected to a board (not shown), etc., and adjustments are made. Then, when the cover 1C is connected and fixed, the opening 6 and the recess 14 almost overlap, so that the board bracket 13 can be fixed to the cover with the screws 4B and assembled into the television receiver as shown in FIG. 3.

As mentioned above, in this invention, when assembling a television receiver, the board bracket 13, which also serves as a panel,
A board 5 mounted with electronic components that can be operated or connected from the outside is fixed to the board 5, and the board bracket 13 is supported by the guide 11 and boss 12 of the bottom part 1A, and is fixed so as to face the opening 6 of the cover 1C. , the number of parts for attaching the board 5 is reduced, cost can be reduced, and assembly can be easily performed with good workability. Furthermore, since the board bracket 13 is connected to the bottom portion 1A, the cover 1C can be removed by removing the screws 4B, and repairs can be performed with ease.

In addition, attach the board bracket 13 to the boss 12 using the screw 4.
If the board bracket 13 is fixed to the cover 1C, it may be omitted to fix the board bracket 13 to the cover 1C with the screws 4B.

Figures 6 and 7 are explanatory diagrams for providing an antistatic effect to the board bracket of this invention.
The figure is an exploded perspective view showing the case where some electronic components are attached to the board, and Figure 7 is a partial perspective view showing the back side of the board bracket corresponding to the board in Figure 6.
The same parts as in FIG. 4 are indicated by the same reference numerals.

In these figures, 15a and 15b are holes provided in the board bracket 13 from which the slide switch 21 and the connector 23 protrude, and 15c is a mounting hole provided in the board bracket 13.

21A is an operating section for operating the slide switch 21; 21B is an outer casing section that serves as a ground potential for the slide switch 21; and 21C is a terminal of the slide switch 21.

23A is a terminal of the connector 23.

25 is a metal locking piece having locking parts 25A on the left and right, 26 is a mounting bracket, and has an opening 26a and a hole 26b.
The opening 26a is made large enough to allow the terminal 23A of the connector 23 to be inserted therein.

A copper foil 27 is connected to the board bracket 13 and is provided at a position corresponding to the outer casing 21B of the slide switch 21 and the flange 26B of the mounting bracket 26. The size of the hole 15b is large enough to allow the connector 23 and the locking portion 25A of the locking piece 25 to pass through, and the hole 15b is large enough to allow the connector 23 and the locking portion 25A of the locking piece 25 to pass through.
The height of the board bracket 13 is approximately the same as the thickness of the board bracket 13.

The slide switch 21 shown in FIG. 6 is attached to the board 5 by soldering the terminal 21C, and the connector 23 is attached to the locking piece 25 (not shown).
Insert the terminal 23A into the opening of the hole 26 and the locking piece 25 and the screw 4C into the protrusion 26A of the mounting bracket 26.
b, and in this state, it is attached to the substrate 5 using the terminal 23A passing through the opening 26a.
Then, when the board 5 is attached to the board bracket 13 as described above, the operating section 21A is inserted into the hole 15.
The protrusion 26A protrudes from the hole 15b and fits into the hole 15b. In this state, when the screw 4D is inserted into the hole 15c and screwed into the hole 26c of the collar 26B, the mounting bracket 26 is fixed to the board bracket 13, and the copper foil 27
come into contact with. Then, the copper foil 27 is in contact with the outer casing 21B, or is in a state where they face each other with a slight gap between them. At this time, it is preferable that the copper foil 27 and the outer casing 21B are in contact with each other.

When the board 5 is attached to the board bracket 13 to which the copper foil 27 is attached as described above, the locking piece 25 is kept at ground potential via the mounting bracket 26, the copper foil 27, and the outer casing 21B. . Therefore, even if a highly charged object, such as a human body, touches the locking piece 25, high voltage can be prevented from being induced in the IC circuit (not shown) mounted on the board 5.
Damage to IC components can be prevented. Furthermore, even if there is a gap between the copper foil 27 and the outer casing 21B, the locking piece 25
A similar effect can be obtained if the gap is smaller than the gap facing other electronic components, such as IC components. Note that it is preferable that the locking piece 25 is connected to an adjacent ground potential through a copper foil 27, and the locking piece 25 and the outer casing 21B may be short-circuited by a means other than the copper foil 27.

Although the embodiment of the electronic device of the above-mentioned invention has been described in the case where it is applied to a television receiver, it goes without saying that it can also be applied to other electronic devices.

[Effect of idea]

As explained above, the electronic device of this invention is
A predetermined hole is provided in the recess of the board bracket, which also serves as a panel for mounting a board on which electronic components are mounted, through which the electronic component protrudes into the recess, and the board bracket is made a part of the outer casing, making it easy to install the board. By reducing the number of parts, costs can be reduced, and manufacturing, repair, etc. can be performed more efficiently.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing the appearance of a conventional television receiver, FIG. 2 is a partially exploded perspective view showing an enlarged portion of the television receiver, FIG. 3 is a perspective view showing the appearance of a television receiver according to an embodiment of the present invention, FIG. 4 is a partially exploded perspective view showing an enlarged portion of the television receiver, and FIG.
The figure is a cross-sectional view of the board bracket taken along line A-A in Figure 4, Figure 6 is an exploded perspective view showing the mounting of a part of an electronic component on the board, and Figure 7 is a partial perspective view showing the back surface of the board bracket corresponding to the board. In the figures, 1A is a bottom surface portion, 1C is a side surface portion, 5 is a board, 6 is an opening, 11 is a guide, 13 is a board bracket, 14 is a recess, 15 is a hole, 16 is a cylinder portion, 21 is a hole, 22 is a hole, 23 is a hole, 24 is a hole, 25 is a hole, 26 is a hole, 27 is a hole, 28 is a hole, 29 is a hole, 30 is a hole, 31 is a hole, 32 is a hole, 33 is a hole, 34 is a hole, 35 is a hole, 36 is a hole, 37 is
denotes a slide switch, 22 a volume, 23 a connector, and 24 a terminal.

Claims (1)

[Claims for Utility Model Registration] A board having a convex frame formed on its front surface that contacts the periphery of an opening 6 formed in the wall of an electronic device, and mounting electronic components for operation or connection on its back surface. an elastic tongue piece 18 for holding the substrate holder 1;
7 is provided, and a cylindrical portion 16 is provided at one end of the substrate bracket 13 to fit into the guide 11 formed on the bottom of the electronic device. An electronic device characterized in that an electronic component is positioned so as to face through an opening in a wall of the electronic device via the board bracket.