JPS59777Y2 - Parts mounting device for extrusion molding operation panel - Google Patents

Description

[Detailed Description of the Invention] This invention relates to an improvement of a component mounting device for attaching printed circuit boards and other components to the back surface of an operation panel formed by extrusion molding, such as an audio device.

Generally, operation panels for audio equipment, etc. are manufactured by extrusion molding, and when electrical components or printed circuit boards are attached to the back side of the operation panel, conventionally these components are attached to a mounting plate, and the mounting plate are sandwiched between the upper and lower sides of the operation panel, and are fixed by screwing screws into screw holes provided in the operation panel by post-processing.

For this reason, when there is a large variation in the vertical dimensions of the operation panel, it is necessary to provide a sufficient dimensional margin on the mounting plate.
This results in variations in the mounting dimensions of the operation buttons that appear on the surface of the operation panel, making the design unsightly, requiring time to adjust the installation, and requiring post-processing such as screw holes on the operation panel. There were drawbacks such as a long processing time.

This invention relates to a component mounting device for an extrusion-molded design panel that overcomes these drawbacks.

An embodiment of this invention will be described below with reference to the drawings.

In Figures 1 to 3, 1 is an operation panel for electrical equipment formed by extrusion molding from a material such as aluminum, with a through hole through which a shaft such as an operation knob is inserted, or a meter etc. provided inside. There are holes for viewing.

Reference numeral 2 denotes a groove formed near the lower end of the back surface of the operation panel during extrusion molding of the operation panel, as shown in FIG.

Reference numeral 3 denotes a protrusion formed near the upper end of the back surface of the operation panel during extrusion molding of the operation panel, and a protrusion 4 slightly protruding inward is formed at the tip thereof, as shown in FIG.

Reference numeral 5 denotes a mounting plate having an electrical component or a printed circuit board (not shown) attached to its front or back surface, and is formed to have a height slightly smaller than the groove 2 and the protrusion 3 of the operation panel 1.

5 is placed at the upper end of this mounting plate 5 at 90° when viewed from the mounting plate surface.
The retaining piece is formed at the above angle and is elastically formed with the mounting plate.

Further, a plurality of these retaining pieces may be provided on both sides of the entire surface of the mounting plate or at appropriate locations.

7 is a contact portion that comes into contact with the concave groove 2 of the operation panel 1;
When the mounting plate 5 enters the groove 2 as shown in FIG. 2, the mounting plate 5 comes into contact with the groove 2 to position the mounting plate.

Further, this mounting plate may be manufactured by bending a metal plate, or may be integrally molded from synthetic resin.

Next, the assembly of the thus constructed device will be explained.

First, electrical components or printed circuit boards are attached to the mounting plate 5.

Next, the lower end of this mounting plate is inserted into the groove 2 provided near the lower end of the operation panel 1 as shown by the dashed-dotted line in FIGS. 1 and 2.

Then, the mounting plate 5 is positioned by the abutting portion 7.

Further, when the mounting plate 5 thus constructed is rotated as shown by the arrow so as to be attached to the back surface of the operation panel 1, as shown in FIG.
As shown by the solid line in Figure 2, the upper end retaining piece 6 of the mounting plate 5 (the upper end of the retaining piece 6 enters into the protrusion 4 provided on the protruding part 3 of the operation panel 1, and the tip of the retaining piece 6 protrudes due to the elastic action of the engaging piece. engages with part 4;
The mounting plate 5 is fixed to the back surface of the operation panel 1.

At this time, even if the mounting plate 5 is manufactured with some warpage during molding, the lower end is positioned in the groove 2 and the upper end retaining piece 6 is positioned by the protrusion 4, so that it can be correctly attached to the back surface of the operation panel 1. I can do it.

In this way, the mounting plate 5 and the electrical components, printed circuit boards, etc. attached to the mounting plate are attached to the extrusion-molded operation panel 1.

The operation panel configured in this manner may be attached to a housing (not shown) of an audio device or the like.

As described above, in this invention, since the retaining piece at the end of the mounting plate is made of an elastic material, variations in the dimensions of the groove and the protrusion can be absorbed, accurate positioning can be achieved, and the operation panel can be attached to the mounting plate. There is no need to perform post-processing such as screw holes on the
The work can be shortened by an inexpensive mounting device with fewer peeling parts.

[Brief explanation of the drawing]

The drawings all show one embodiment of this invention, with FIG. 1 being a longitudinal sectional view, FIG. 2 being an enlarged detailed sectional view of portions A and B, and FIG. 3 being a perspective view seen from the back side. In the figure, 1 is an operation panel, 2 is a groove, 3 is a protrusion,
5 is a mounting plate, and 6 is a retaining piece. The same symbols in the figures indicate the same parts.

Claims (1)

[Scope of Claim for Utility Model Registration] In a component mounting device that attaches electrical components, printed circuit boards, etc. to the back surface of an operation panel manufactured by extrusion molding via a mounting plate, A concave groove and a protrusion are provided at the opposite end, and the end of the mounting plate with the above-mentioned parts attached is inserted into the concave groove, and an elastic retaining piece is provided at the other end. A component mounting device for an extrusion-molded operation panel, characterized in that a mounting plate is attached to the back surface of the operation panel by engaging with the protrusion. Place.