JP2010055776A - Electrical apparatus with push button - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide electrical apparatus wherein a metal plate on which a push button is formed is prevented from peeling off a base material. <P>SOLUTION: The electrical apparatus, such as, a digital camera comprises the metal plate 20 on which the push button 2 is formed, the base material 3 formed of a hard resin and mounted on the reverse of the metal plate 20, and a switch 4 located on the opposite side to the metal plate 20, across the base material 3 and adapted to be thrust via the base material 3 by the push button 2. The base material 3 is formed of the translucent hard resin. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to an electric device such as a digital camera having a push button.

FIG. 4 is a front view of the push button (2) in a conventional electric device such as a digital camera. A metal plate (20) such as stainless steel is provided in front of the cabinet (1), and an opening (21) surrounding the rectangle is formed on the metal plate (20) by punching, and the inside of the opening (21). Is the push button (2). That is, the push button (2) is pushed in by rotating back and forth around the end (22) connected to the metal plate (20). Such a digital camera or the like is required to be thin, and the push button (2) is formed by punching a metal plate (20) to make the push button (2) thin.
FIG. 5 is a cross-sectional view taken along the line AA in FIG. The cabinet (1) is provided with a concave surface (12), and a concave portion (17) is provided at the back of the concave surface (12). The metal plate (20) is disposed in the concave surface (12), and a flexible base material (3) made of silicon rubber or the like is attached to the back surface of the metal plate (20) with an adhesive or a double-sided tape, The base material (3) projects a pressing projection (35) from the lower surface. On the lower side of the base material (3), a substrate (6) is provided, and on the substrate (6), a switch (4) which is rounded and has a bulge facing upward is provided. The pressing protrusion (35) is located above the switch (4).
When the push button (2) is pushed downward, the base material (3) is bent, and the pressing projection (35) pushes the switch (4) to start a desired operation.

JP 2007-328919 A

In the conventional configuration, since the base material (3) is bent by the pressing operation of the push button (2), the metal plate (20) and the base material (3) may be peeled off. In this case, as indicated by the alternate long and short dash line in FIG. 5, the push button (2) is lifted, and there is a possibility that the finger enters a gap formed between the push button (2) and the base material (3). Since the push button (2) is formed by punching the metal plate (20) as described above, if a finger enters the gap, the finger may hit the end face of the push button (2) and the finger may be damaged. There is.
An object of the present invention is to provide an electrical device that prevents the metal plate (20) on which the push button (2) is formed and the base material (3) from being peeled off.

  The electric device has a metal plate (20) provided with a push button (2), a base material (3) formed of a hard resin attached to the back surface of the metal plate (20), and a base material (3). The switch (4) is provided on the opposite side of the metal plate (20) and is pressed by the push button (2) through the base material (3). The base material (3) is formed of a translucent translucent hard resin.

1. Since the base material (3) is made of hard resin, it is difficult to bend even when the push button (2) is pressed. Moreover, the adhesiveness with the double-sided tape etc. which affixes a metal plate (20) is also favorable. Therefore, there is little possibility that the base material (3) and the push button (2) are peeled off, and safety when the push button (2) is operated is maintained.
2. In view of the user's ease of viewing, there is a type of such an electrical device in which an operation content is formed on the push button (2) by punching or the like, and light transmission from the inside of the push button (2) is allowed.
Since the base material (3) provided on the back surface of the push button (2) is formed of a translucent translucent resin, when the interior of the cabinet (1) is illuminated, light is emitted from the push button (2). It can leak out and the push button (2) is easy to see.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings.
FIG. 1 is a perspective view of an electrical apparatus according to this example, specifically, a digital camera as viewed from the back. The cabinet (1) is provided with a first cabinet half (10) provided with a metal plate (20) and a liquid crystal panel (16) formed with a push button (2) by punching, and a known lens barrel (15). The second cabinet half (11) is also configured. The metal plate (20) is made of stainless steel, but is not limited thereto. In addition, in view of the user's ease of viewing, such an electric device is one in which the operation content is formed on the push button (2) by punching or the like, and light transmission from the inside of the push button (2) is allowed. is there. With the configuration described later, the push button (2) of the device according to this example also allows light to pass from the inside.

The shape of the push button (2) is the same as that of the conventional one shown in FIG. 4 and rotates around the end (22) (see FIG. 4), but the push button (2) has a push button ( Icons indicating the contents operated by 2) (for example, recording, reproduction, etc.) are opened by punching.
2 is a cross-sectional view of FIG. 1 taken along the horizontal plane including the line BB and viewed from the direction of the arrow, and FIG. 3 is an exploded perspective view of the first cabinet half (10) of FIG. A concave surface (12) is formed in the first cabinet half (10), and a through hole (13) smaller than the concave surface (12) is formed below the concave surface (12). The concave surface (12) and the through hole (13) are connected, and the metal plate (20) is provided in the concave surface (12). On the back surface of the metal plate (20), a hard resin having a hole (30), specifically, a polycarbonate base material (3) is attached with a translucent double-sided tape (7). (3) is located in the through hole (13).

In the second cabinet half (11), a substrate (6) provided with a switch (4) is provided as in the conventional case, and the switch (4) is rounded and has a bulge facing upward. . The upper end of the switch (4) enters the hole (30) of the base material (3), and when the push button (2) is pressed, the base material (3) presses the switch (4) and the desired operation is started. The
Since the base material (3) is made of hard resin, it is difficult to bend even when the push button (2) is pressed. Moreover, the adhesiveness with the double-sided tape (7) to which the metal plate (20) is attached is also good. Therefore, there is no possibility that the base material (3) and the push button (2) are peeled off, and safety when the push button (2) is operated is maintained.
In this example, the upper end of the switch (4) is configured to enter the hole (30) of the base material (3), but the switch ( 4) You may press.

As shown in FIG. 2, a light-emitting lamp (5) such as an LED is provided on the side of the switch (4) on the substrate (6), and the base material (3) is translucent. It is formed from a milky white hard resin. The light from the light-emitting lamp (5) passes through the base material (3) and the double-sided tape (7), and illuminates the contents of the icon established on the push button (2). This makes it easier to understand the function of the push button (2) when the push button (2) is operated. And since the base material (3) is formed from a translucent resin, the inside of the cabinet (1) cannot be seen. A diffusion plate (not shown) for diffusing light may be provided between the light emitting lamp (5) and the base material (3).
Here, if the base material (3) is made of a completely transparent resin, the light from the light-emitting lamp (5) passes through, but the switch (4), which is an internal part of the cabinet (1), is opened (21). It looks from the outside and looks bad. Accordingly, the applicant has conceived of forming the base material (3) from a translucent resin.

The above description of the embodiments is for explaining the present invention, and should not be construed as limiting the invention described in the claims or reducing the scope thereof. In addition, the configuration of each part of the present invention is not limited to the above embodiment, and various modifications can be made within the technical scope described in the claims.
In this example, the digital camera is exemplified as the electric device, but another electric device provided with a push button may be used. Further, the metal plate (20) and the base material (3) may be attached with an adhesive.

It is the perspective view which looked at the electric equipment concerning this example from the back. It is sectional drawing which fractured | ruptured FIG. 1 at the horizontal surface containing a BB line and was seen by the arrow. It is a disassembled perspective view of the 1st cabinet half body of FIG. It is a front view of the push button in the conventional electric equipment. It is sectional drawing which fractured | ruptured FIG. 4 at the horizontal surface containing an AA line and was seen by the arrow.

Explanation of symbols

(1) Cabinet
(2) Push button
(3) Base material
(4) Switch
(5) Luminescent lamp
(6) Board
(20) Metal plate

Claims (3)

A metal plate provided with a push button, a base material formed from a hard resin attached to the back surface of the metal plate, and located on the opposite side of the metal plate across the base material to the push button via the base material An electric device comprising a switch to be pressed. The electric device according to claim 1, wherein the base material is formed of a translucent translucent hard resin. The electric device according to claim 1, wherein the push button is formed by punching a metal plate.

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