JPH05250960A - Operating button device - Google Patents

Abstract

PURPOSE:To provide one kind of operating button main body irrespective of formation of a hole for an arbitrary operating button on a panel in an operating button device. CONSTITUTION:In the case where no hole 1a for an arbitrary operating button is formed in a panel 1, an interference preventing hole 3a is formed in an interfered portion between a printed circuit board 3 and an operating button 2a so as to relieve flexure of the operating button 2a in abutment against the back surface of the panel 1. Accordingly, one kind of operating button main body can relieve the flexure irrespective of formation of the hole for the arbitrary operating button on the panel, thus leading to excellent productivity. Such irrational problems can be solved as to manufacture a plurality of metal molds for molding a plurality of operating buttons which have been required conventionally, or to perform secondary machining such as cutting after the operating button is molded.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an operation button device for audio equipment and the like.

[0002]

2. Description of the Related Art In recent years, products such as audio equipment have become multifunctional, and at the same time, it is necessary to change the number of operation buttons on a panel in order to rationalize the development of the products. Often required as a means of incarnation.

An example of the above-mentioned conventional operation button device will be described below with reference to the drawings. 8 and 9 show a part of the front surface of a panel of an audio device using a conventional operation button device. 5, 6 and 7 show a resin operation button body of a conventional operation button device, and FIG. 6 is a rear view of the operation button body shown in FIG. In FIGS. 8 and 9, 1 is a panel, 2 is an operation button main body made of a resin molded product, and a frame 2e
Each operation button is integrally formed on the (button support portion) via the hinge portion 2d, the operation portion is provided on the front surface of the operation button, and the printed circuit board contact pin 2b and the switch operation portion 2c are provided on the back surface of the operation button. There is. Reference numeral 5 is an opening for taking in and out the disc tray.

The operation button 2a portion of FIG. 8 changes depending on the presence or absence of a hole in the panel. FIG. 8 shows the panel with the operation button 2a, and FIG. 9 shows the panel without the operation button 2a. In the conventional operation button device, the presence or absence of the hole in the panel shown in FIGS. 8 and 9 corresponds to the presence or absence of the operation button in the portion corresponding to the operation button 2a as shown in FIG. 5 or 7. .. The operation button 2a in FIG. 5 is missing in FIG. That is, the operation button body shown in FIG. 5 is correspondingly used for the panel of FIG. 8, and the operation button body shown in FIG. 7 is correspondingly used for the panel of FIG. The presence or absence of the operation button 2a shown in FIGS. 5 and 7 corresponds to the parts having the operation button 2a and the parts having no operation button by different molds, or the part of the operation button 2a shown in FIG. 5 is cut after molding. And so on.

[0005]

However, in the conventional operation button device as described above, first, different operation button bodies must correspond to different panels, which is extremely productivity-prone especially for mass production. Secondly, there is a problem that it becomes worse, and secondly, in order to create multiple operation button bodies, multiple molds are manufactured, or secondary processing such as cutting occurs after operation button molding, which is an irrational problem. Had.

In view of the above-mentioned conventional problems, the present invention enables one type of operation button main body to cope with the presence or absence of any operation button hole among a plurality of operation button holes of the panel, The purpose of the invention is to provide an operation button device with high productivity.

[0007]

In order to solve the above-mentioned problems, an operation button device of the present invention is an operation button made of a resin molded product in which a plurality of operation buttons are formed on a button supporting portion so as to be bendable via a hinge. The main body and the operation portion of the operation button corresponding to the operation button excluding any unnecessary operation button among the plurality of operation buttons has a hole protruding to the front,
A panel on which the operation button main body is arranged on the rear surface; and a printed wiring board on which switches operated by the operation buttons are arranged corresponding to the operation buttons excluding any unnecessary operation buttons among the plurality of operation buttons. When the operation button body is attached to the rear surface of the panel so that the operation portion of the operation button excluding any unnecessary operation button among the plurality of operation buttons projects from the hole of the panel, the plurality of operation buttons Any of the unnecessary operation buttons comes into contact with the rear surface of the panel to be bent backward by the hinge, and in this state, the operation buttons excluding any unnecessary operation buttons among the plurality of operation buttons are used to switch the switch. When the printed wiring board is arranged at the rear of the operation button body so that the An interference prevention hole is provided at a position corresponding to any unnecessary operation button of the plurality of operation buttons of the printed wiring board so that a necessary operation button does not come into contact with the printed wiring board. is there.

[0008]

According to the present invention, since the interference prevention hole is provided at the position corresponding to any unnecessary operation button among the plurality of operation buttons on the printed wiring board by the above-mentioned configuration, the panel has no hole. In addition, even if the unnecessary operation button comes into contact with the rear surface of the panel and bends backward by the hinge, it can be escaped through the interference prevention hole of the printed wiring board, and the operation button device can be assembled without trouble, so that the panel It will be possible to handle with one type of operation button body regardless of the existence of any operation button hole,
Especially for mass production, the productivity is very good, and in order to create multiple operation buttons as in the past, multiple molds are manufactured or secondary processing such as cutting occurs after operation button molding. An irrational problem such as a problem is solved with an extremely simple structure without increasing the cost.

[0009]

Embodiments of the operation button device of the present invention will be described in detail below with reference to FIGS.

FIGS. 1 and 2 are schematic cross-sectional views showing an essential part of an operation button device according to an embodiment of the present invention, and FIGS. 3 and 4 show an essential part of an operation button device according to an embodiment of the present invention. It is a partial cross-section exploded perspective view. 1 and 3
1 shows a structure in the case where an operation button device requires an operation button 2a, 1 is a panel, and the operation button 2
The operation portion of a has a hole for the operation portion of each operation button including a hole 1a protruding to the front. Reference numeral 2 denotes an operation button main body made of a resin molded product. As shown in FIGS. 5 and 6, each operation button including the operation button 2a is integrally formed on the frame body 2e (button support portion) via the hinge portion 2d. Formed,
An operation unit is provided on the front surface of the operation button, and a printed circuit board contact pin 2b and a switch operation unit 2c are provided on the back surface of the operation button. Further, 3 is a printed circuit board, and a switch 4 is attached by soldering to a position corresponding to each operation button including the operation button 2a.

During assembly, the operation buttons including the operation buttons 2a are inserted into the holes of the panel 1 from the rear surface of the panel 1 to position the operation button main body 2 on the rear surface of the panel 1, and then the operation button main body. By positioning the printed circuit board 3 on the rear surface of the panel 1 from the rear of 2 and fixing it with screws (not shown), the operation button body 2 is sandwiched and fixed between the panel 1 and the printed circuit board 3. Then, as is apparent from FIG. 1, the switch operation unit 2c of the operation button 2a.
The switch 4 is turned on by being pressed by. In FIG. 1, the printed circuit board contact pin 2b is provided on the printed circuit board 3 when the operation button 2a is overloaded.
The printed circuit board contact pin 2b hits the hinge portion 2d to protect it from damage. Although the printed circuit board 3 is provided with the interference prevention hole 3a, it has no effect in this case.

FIGS. 2 and 4 show a structure in which the operation button device does not require the operation button 2a in order to omit functions and differentiate the appearance from those of FIGS. 1 and 3. 1 and FIG. 3, the difference in the parts configuration is that an unnecessary operation button 2a in the holes for each operation button of the panel 1 is unnecessary.
The hole 1a corresponding to the
Only the switch 4 corresponding to is omitted from the printed circuit board 3.

At the time of assembly, the operation buttons except the operation button 2a are inserted into the respective holes of the panel 1 from the rear surface of the panel 1 and the operation button main body 2 is positioned on the rear surface of the panel 1. Hole 1a corresponding to 2a
2, the operation button 2a is largely bent from the hinge 2d to the rear of the panel 1 by hitting the rear end of the operation button 2a against the rear surface of the panel 1 as shown in FIG. In this state, when the printed circuit board 3 is positioned and arranged on the rear surface of the panel 1 from the rear of the operation button body 2, an interference prevention hole for preventing the operation button 2a from interfering with the printed circuit board contact pin 2b is formed on the printed circuit board 3. Even if the operation button 2a is bent from the hinge portion 2d to the rear of the panel 1 because the corresponding 3a is provided at the corresponding position, the printed circuit board contact pin 2b is escaped by the interference prevention hole 3a, and the operation button 2a does not interfere. The operation button body 2 is sandwiched between the panel 1 and the printed circuit board 3 and fixed by a screw while the hinge portion 2d remains bent inside the panel 1.

In the above embodiment, the interference preventing hole 3a for preventing the operation button 2a from interfering with the printed circuit board contact pin 2b is provided on the printed circuit board 3, but the switch operating portion 2c of the operation button 2a is provided. When interference occurs, the printed circuit board 3 may be provided with an interference prevention hole corresponding thereto.

As described above, according to this embodiment, the panel 1
Even when there is no hole corresponding to the operation button 2a of
Since the interference prevention hole 3a is provided, the operation button 2
a can be fixed by being sandwiched between the panel 1 and the printed circuit board 3 without any hindrance while being bent from the hinge portion 2d to the inside of the panel 1, and the hole for the operation button of the panel 1 can be fixed. One type of operation button body 2 with or without
Can be dealt with.

[0016]

As described above, according to the present invention, an operation button main body made of a resin molded product in which a plurality of operation buttons are flexibly formed on the button support through a hinge, and any of the plurality of operation buttons are provided. Corresponding to the operation buttons excluding unnecessary operation buttons, the operation button operation part has a hole protruding to the front, the operation button body is arranged on the rear surface, and any of the plurality of operation buttons. And a printed wiring board on which switches to be operated by the operation buttons corresponding to the operation buttons except the unnecessary operation buttons are arranged, and operation of the operation buttons excluding any unnecessary operation buttons from the plurality of operation buttons When the operation button main body is attached to the rear surface of the panel so that a part thereof protrudes from the hole of the panel, any unnecessary operation button among the plurality of operation buttons is attached to the panel. By touching the rear surface, the hinge is bent backward, and in this state, the printed wiring board is operated so that the switches can be operated by the operation buttons excluding any unnecessary operation buttons of the plurality of operation buttons. Any unnecessary operation button of the plurality of operation buttons of the printed wiring board so that the unnecessary operation button bent backward by the hinge does not come into contact with the printed wiring board when placed behind the button body. Since the interference prevention hole is provided at a position corresponding to, even if the unnecessary operation button comes into contact with the rear surface of the panel and bends backward by the hinge because there is no hole in the panel, the interference of the printed wiring board is prevented. Since it can be released through the holes and the operation button device can be assembled without any trouble, it does not matter whether there is a hole for any operation button on the panel. One type of operation button can be used instead of the above, and productivity is very good especially for mass production. Also, do you need to make multiple molds to create multiple operation buttons as before? Alternatively, an irrational problem such as secondary processing such as cutting after the operation button is formed can be solved with an extremely simple structure without increasing the cost.

[Brief description of drawings]

FIG. 1 is a schematic cross-sectional view of a main part when a panel for an operation button device according to an embodiment of the present invention has a hole for an arbitrary operation button.

FIG. 2 is a schematic cross-sectional view of a main part of the operation button device according to the embodiment of the present invention when the panel does not have a hole for an arbitrary operation button.

FIG. 3 is an exploded perspective view of a partial cross section of a main part of the operation button device according to the embodiment of the present invention when a panel has a hole for an arbitrary operation button.

FIG. 4 is an exploded perspective view of a partial cross-section of a main part of the operation button device according to the embodiment of the present invention when a panel does not have a hole for an arbitrary operation button.

FIG. 5 is a front view showing the operation button body according to the present invention and the related art.

FIG. 6 is a rear view showing the operation button body of the present invention and the conventional operation button body.

FIG. 7 is a front view showing a conventional operation button body.

FIG. 8 is a front view of a panel of a conventional operation button device when the panel has a hole for an arbitrary operation button.

FIG. 9 is a front view of a panel of a conventional operation button device when there is no hole for an arbitrary operation button in the panel.

[Explanation of symbols]

 1 Panel 1a Hole for arbitrary operation button 2 Operation button body 2a Optional operation button 2b Printed circuit board contact pin 2c Switch operation part 2d Hinge part 3 Printed circuit board 3a Interference prevention hole 4 Switch

Claims (1)

[Claims] 1. An operation button main body made of a resin molded product in which a plurality of operation buttons are flexibly formed on a button support portion via a hinge, and an operation excluding any unnecessary operation buttons among the plurality of operation buttons. A panel in which the operation portion of the operation button has a hole protruding to the front corresponding to the button, and the operation button main body is arranged on the rear surface, and an operation button excluding any unnecessary operation button among the plurality of operation buttons Corresponding to the printed wiring board on which the switch operated by the operation button is arranged, and the operation portion of the operation button excluding any unnecessary operation button among the plurality of operation buttons protrudes from the hole of the panel. When the operation button body is attached to the rear surface of the panel so that any unnecessary operation button of the plurality of operation buttons comes into contact with the rear surface of the panel. The hinge is bent rearward, and in this state, the printed wiring board is placed behind the operation button body so that the switch can be operated by an operation button other than any unnecessary operation button among the plurality of operation buttons. Of the plurality of operation buttons of the printed wiring board corresponding to any unnecessary operation button so that the unnecessary operation button bent backward by the hinge does not contact the printed wiring board when arranged in An operation button device characterized in that an interference prevention hole is provided in the.