JPH0140217Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Technical Field] The present invention relates to a blind plate cover for electrical equipment in which a blind plate cover is mounted on a square hole in which an illuminated push button switch is mounted to cover the square hole.

[Background technology]

Generally, when electronic components such as illuminated pushbutton switches are mounted on a control panel, the mainstream method is to drill a square hole in the panel and mount the illuminated pushbutton switch into the square hole with one touch. In this case, a blind plate lid may be installed to cover the extra square hole. Fig. 1 shows the types of square holes 2 drilled in the panel 1, Fig. 1 a shows the one for single-piece installation, Fig. 1 b shows the case where they are formed continuously horizontally, and Fig. 1 c is a case where the layers are formed continuously in a vertical direction. In FIGS. 1b and 1c, the direction in which the mounting spring of the blind plate lid is inserted is reversed, which causes a problem. That is, FIG. 2 shows a conventional blind plate lid main body 3', in which elastic mounting springs 8 are integrally provided rearwardly protruding from the periphery of a rectangular front plate 7, and each mounting spring 8 A mountain-shaped engaging portion 6 is formed at the base of the outer surface. These mounting springs 8 are provided on each side so as to correspond to FIGS. 1b and 1c, and can be used in both the vertical and horizontal directions. Figure 2c shows the blind plate main body 3' installed in the square hole 2 of the panel 1, in which the engaging portion 6 of the mounting spring 8 is elastically engaged with the inner peripheral edge of the square hole 2. ing. However, panel 1
Since the portion that engages with is the base of the mounting spring 8, there is a problem in that the mounting spring 8 cannot have sufficient elasticity. Incidentally, FIG. 3 shows an enlarged view of the mounting spring 8.

In order to improve this, the blind plate lid main body 3'' shown in FIG. On the outer surface of the tip of the mounting spring 8, an engaging portion 6 having a number of grooves for preventing the spring from coming off from the panel 1 is formed.
Therefore, when engaging with the panel 1, the mounting spring 8 can have sufficient elasticity, but since the mounting spring 8 is formed into a substantially U-shape, the fourth The mounting spring 8 can only be provided in the two directions shown by the arrows in the figure, and therefore the first
As shown in FIGS. b and c, there was a problem in that it could not be satisfied in the case of continuity in the vertical and horizontal directions.

[Purpose of invention]

The present invention has been proposed in view of the above-mentioned points, and is an electrical device that can be reliably installed even in square holes that are continuous in the vertical and horizontal directions, and that is also compatible with the mold structure. The object is to provide a blind plate lid.

[Disclosure of invention]

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
In FIG. 5, reference numeral 3 denotes a flexible blind plate lid main body, and elastic tongues 4 are integrally provided rearwardly protruding from the periphery of the back surface of a rectangular flat front plate 7. Reference numeral 9 denotes a U-shaped notch cut out approximately at the center of each tongue piece 4, and a spring piece 5 is formed surrounded by this notch 9 and extending integrally with the tongue piece 4 at the rear. The spring piece 5 has elasticity, and has two substantially triangular protrusions 10 protruding outward on its outer surface. On the front side of the outer surface of each protrusion 10, a mountain-shaped engagement portion 6 is formed to prevent the protrusion from coming off.

Here, when closing the unnecessary square hole 2 of the panel 1, the blind plate lid main body 3 is inserted from the front side of the panel 1 as shown in FIG. Then, the tongue piece 4 and the spring piece 5 hit the inclined surface of the protrusion 10 of the spring piece 5, and the tongue piece 4 and the spring piece 5 are bent in the direction of the arrow shown in the figure.
As shown in FIG. 2, the engaging portion 6 of the spring piece 5 is elastically engaged with the inner edge of the square hole 2. At this time, since both the spring piece 5 and the tongue piece 4 are biased outwardly, sufficient elasticity can be obtained as a whole. Also,
Since tongue pieces 4 etc. are provided on each side of the front plate 7,
Even in the cases shown in FIGS. 1b and 1c, it can be reliably attached as shown in FIGS. 5a and 5c. FIG. 8 shows the direction of mold removal, and the mold can be removed in four directions: up, down, left and right.

[Effect of idea]

As mentioned above, the present invention is a blind plate cover for electrical equipment, in which elastic tongue pieces are integrally provided rearwardly protruding from each periphery of the rectangular flat front plate of the blind plate cover body, and each tongue piece is A roughly U-shaped notch is formed in the approximate center to form spring pieces that integrally protrude forward from the rear part of the tongue piece, and the edges of the rectangular hole of the panel are formed by protruding outward on the outer surface of each spring piece. Since the engaging portions are formed to elastically engage with the square holes of the panel, when the panel is attached to the square hole, the engaging portions on the outer surface of the spring pieces are formed through the elastic tongue piece and the spring piece. By elastically engaging the edge of the square hole, sufficient elasticity can be obtained, allowing the blind plate lid body to be securely attached to the square hole either vertically or horizontally, and the mold structure Also in the above, compared to the conventional case where the mounting spring is formed in a U-shape, the tongue pieces are simply made to protrude from each side of the front plate and are cut out to form the spring pieces.
It is possible to punch out in four directions (up, down, left and right), and has the advantage of being easy to manufacture.

[Brief explanation of the drawing]

Figures 1a, b, and c are front views showing the types of square holes drilled in the panel, and Figures 2a, b, and c are cutaway front views, bottom views, and sectional views of essential parts of the conventional blind plate lid body. , Fig. 3 is an enlarged cross-sectional view of the same essential parts as above, Fig. 4 a, b, and c are cross-sectional views, bottom views, and side views of other conventional examples, and Fig. 5 a to d are cross-sectional views of the embodiment of the present invention. Figure, bottom view, side sectional view and side sectional view,
FIG. 6 is a perspective view of the same as above, FIG. 7 is an explanatory view of the same as above,
FIG. 8 is an explanatory diagram similar to the above. 1 is a panel, 2 is a square hole, 3 is a blind plate lid body, 4 is a tongue piece, 5 is a spring piece, 6 is an engaging part,
7 indicates the front plate.

Claims (1)

[Scope of utility model registration request] A blind plate for electrical equipment in which a square hole for mounting an electronic component such as an illuminated pushbutton switch is drilled in a panel, and a blind plate lid body is mounted in the square hole to close the unnecessary square hole without mounting the electronic component. In the lid, elastic tongue pieces are integrally provided rearwardly protruding from each periphery of the rectangular flat front plate of the blind plate lid main body, and each tongue piece is cut out in a substantially U-shape approximately at the center to form a tongue. Each spring piece integrally projects forward from the rear part of the piece, and an engaging part is formed on the outer surface of each spring piece to project outward and elastically engage with the edge of the square hole in the panel. A blind plate lid for electrical equipment characterized by comprising: