JPH05266754A - Operation button - Google Patents

Abstract

PURPOSE:To permit performing switching action surely even when its one side is pushed, and moreover to prevent the damage to a switch due to overstroke. CONSTITUTION:A pair of supporting shafts 12 and 13 is provided on an operation button main body 11, and a spring member 14, folded in a two-ply state, is locked to these supporting shafts 12 and 13, to press-operate a switch 18 with a fold-back piece (switch operation part) 14C of the spring member 14.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to operation buttons provided on various electronic devices.

[0002]

2. Description of the Related Art Electronic devices are provided with operation buttons for performing various operations. However, operation buttons that are frequently used tend to be large in size in consideration of usability and visibility. .. For example, the talk button on the transceiver (holding it down when transmitting, then releasing it to receive it) does not need to be operated while looking at the transceiver itself, so that the thumb or the like should be held when grasping the transceiver body. A fairly large operation button is used at the position where it comes.

[0003]

However, when the large-sized operation button as described above is adopted, various inconveniences occur in the usual push button structure. First, a large-sized operation button is likely to be in a so-called one-sided pressing state in which a position displaced from the center of the operation button is pressed. In the case of such one-sided pressing state, it is difficult to guarantee the normal operation, for example, in the structure in which the switch is turned on / off at the tip of the shaft provided in the center of the operation button.

If the operation button is large, a large force is likely to be applied to the shaft, which may damage the switch due to overstroke.

In order to perform a normal switch operation even in the one-pushed state, it is conceivable to increase the number of shafts provided on the operation buttons and increase the number of switches accordingly, but the structure becomes complicated and the manufacturing It is disadvantageous in terms of cost.

Therefore, the present invention has been proposed in order to eliminate the drawbacks of the conventional ones, and it is possible to surely perform the switch operation even in the one-pushed state, and to prevent the switch from being damaged due to overstroke. An object of the present invention is to provide an operation switch that can be operated.

[0007]

In order to achieve the above object, the present invention provides an operation button main body having a pair of support shafts, and a locking member formed of an elastic material and locked to each of the support shafts. And a spring member having a switch operation part formed by folding back, and pressing the operation button body to press the switch operation part provided on the spring member against the switch. It is characterized by becoming.

That is, in the operation button of the present invention, as shown in FIG. 4, for example, a pair of support shafts 12 and 13 are provided in the operation button body 11, and a spring in which two support shafts 12 and 13 are bent and stacked. A member for locking the member 14, and a folded back piece (switch operation portion) of the spring member 14
The switch 18 is pressed by the switch 14c.

[0009]

In the operation button of the present invention, the operation button main body 11 is provided with the pair of support shafts 12 and 13, and the spring member 14 that is folded into two and extends over the support shafts 12 and 13. It is locked. Therefore, even when a pressing force is applied to only one of the support shafts by one-sided pressing, the spring member 14 is pressed down and the switch 18 is pressed.

Even when the operation button body 11 (and hence the support shafts 12 and 13) is pushed down more than necessary due to overstroke, the tip of the support shafts 12 and 13 does not directly press the switch 14, but a spring. Since the pressing force is absorbed by the bending of the member 14, the switch 14 is prevented from being applied with an excessive pressing force, and the switch 18 is prevented from being damaged.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Specific embodiments to which the present invention is applied will be described in detail below with reference to the drawings.

This embodiment is an example applied to a talk button of a transceiver. As shown in FIG. 1, the transceiver includes a transceiver main body 1 which is rounded so that it can be easily held by hand, an antenna 2, a display window 3 for displaying a communication state, a power button 4, a talk button 5, and a channel. Various operation buttons such as a switching button 6, a reception volume adjusting knob 7, a noise canceling knob 8 and the like are provided.

Among the above-mentioned operation buttons, the talk button 5 which is frequently used during communication employs an operation button larger than other operation buttons.

Therefore, the structure of the talk button 5 will be described below. As shown in FIG. 2, the talk button 5 includes a large operation button body 11, a pair of support shafts 12,
13 and a spring member 14 as main constituent members,
Insert packings 15 and 16 into the support shafts 12 and 13,
Insertion holes 1a provided on the peripheral surface of the transceiver main body 1,
After being inserted into the transceiver 1b, the spring member 14 is locked across the support shafts 12 and 13 in the transceiver main body 1.

The insertion holes 1a and 1b are provided at predetermined positions on the peripheral surface of the transceiver body 1 at the support shafts 12 and 13.
The insertion holes 1a and 1b are formed around the insertion holes 1a and 1b with a recess 1c having a shape and depth corresponding to the operation button body 11.

The packings 15 and 16 inserted through the support shafts 12 and 13 are made of a stretchable elastic material such as rubber, and the operation of the packings 15 and 16 restores the operation button body 11. As well as gaining strength, it is designed to be drip-proof and can be used even in some rain and snow. The packings 15 and 16 are both annular members, and the operation button main body 11 is provided at both ends.
The flange portions 15a and 16a which are the receivers and the flange portions 15b and 16b which are the receivers to the peripheral surface of the transceiver body 1 are formed.

On the other hand, as shown in FIG. 3, the spring member 14 is formed by processing a sheet metal having elasticity such as stainless steel, and has a pair of notches 14a at both ends in the width direction.
14b is provided. These notches 14a and 14b
Are formed so as to become gradually narrower inward, and the support shaft 1 is formed in these notches 14a and 14b.
By pressing the small diameter portions 12a and 13a at the tips of the blades 2 and 13, the leaf spring portion 14 is locked to the operation button body 11 via the support shafts 12 and 13.

Further, a slightly wide folded piece 14c is formed in a protruding manner at a central portion (corresponding to an intermediate position between the pair of support shafts 12 and 13) at one side edge in the longitudinal direction of the spring member 14. The spring member 14 is bent so as to have a double-layer structure. A small protrusion 14d that bulges with a spherical surface is formed in the center of the folded piece 14a by a method such as pressing, and serves as a contact point for a switch described later.

Further, a supporting piece 14e, which is slightly narrower than the folding piece 14c, is formed at the center of the side edge of the spring member 14 opposite to the one side edge on which the folding piece 14c is formed. The front end portion is curved to form a locking portion 14f. The locking portion 14f is locked at a predetermined position of the transceiver body 1, and the spring member 1
It is the fulcrum of 4.

4 and 5 show the mounting structure of the talk button. Packings 15 and 16 are respectively fitted to the support shafts 12 and 13 provided on the operation button body 11, and these support shafts 12 and 13 are inserted into the insertion holes 1a and 1b, respectively. Then, the support shafts 12 and 1
The notches 14a and 14b of the spring member 14 are inserted into the small-diameter portions 12a and 13a at the tip of 3, respectively, and are locked on the back side of the transceiver body 1.

Due to the locking of the spring member 14, the operation button 11 does not deviate from the transceiver main body 1.

Further, the spring member 14 has the locking portion 1
4f is attached to the locking rib 20 provided on the inner wall surface of the transceiver main body 1 when the operation button main body 11 is pushed down and the support shafts 12 and 13 are pushed down. 14 is pushed down with this locking portion 14f as a fulcrum, and the projection 14d of the folded piece 14c folded back in a two-ply state is urged toward the switch.

In the transceiver main body 1, a flexible switch 17 that functions as an electric switch by pressing a bulging switch 18 is mounted on a chassis 19
It is installed in the installed state. Then, the switch 18 includes the folded-back piece 14c of the spring member 14.
Is disposed so as to face the protrusion 14d provided on the
It is adapted to be turned on / off by a pressing operation by the protrusion 14d.

In the talk button having the above-described structure, when the operation button body 11 is pushed as necessary during communication, the packings 15 and 16 are compressed as shown in FIGS. 6 and 7, and the operation button body 11 is compressed. The pressing force applied to is transmitted to the spring member 14 via the support shafts 12 and 13. Then, the spring member 14 is pushed down with the locking portion 14f as a fulcrum, and the protrusion 14d provided on the folding piece 14c pushes the switch 18 of the flexible switch 17 to turn the switch 18 on or off.

At this time, the switch 18 is attached to the support shaft 12
Alternatively, there is no direct pressing by the support shaft 13, and even if an excessive pressing force is applied, it is absorbed by the elastic force of the folding piece 14c and the switch 18 is not damaged. After the operation, the operation button body 11 is pushed back by the elastic force of the packings 15 and 16 to return to the initial state.

Further, as shown in FIG. 8, for example, even when only the right side of the operation button body 11 in the figure is partially pushed, the spring member 14 is pushed down by the support shaft 13 with the locking portion 14f as a fulcrum, and is folded back. The on / off operation of the switch 18 is normally performed by the protrusion 14d provided on the piece 14c. Similarly, as shown in FIG. 9, when only the left side of the operation button body 11 in the figure is partially pressed, the support shaft 1
2, the spring member 14 is pushed down with the locking portion 14f as a fulcrum, and the protrusion 14d turns on / off the switch 18.
The off operation is carried out normally, so that no malfunction occurs in any case.

The embodiment to which the present invention is applied has been described above, but it goes without saying that the present invention is not limited to this embodiment. For example, the shape, material, dimensions, etc. of the operation bonder main body, spring member, etc. It can be arbitrarily set without departing from the scope of the present invention.

[0028]

As is apparent from the above description, in the present invention, the operation button body is provided with a pair of support shafts,
A spring member bent in two layers is locked to these support shafts, and the folded piece is used as a switch operation portion to press the switch, so that a normal switch operation can be surely performed even in the one-pushed state. It is possible to prevent damage to the switch due to overstroke.

[Brief description of drawings]

FIG. 1 is an external perspective view showing an example of a transceiver.

FIG. 2 is an operation button (talk button) to which the present invention is applied.
FIG. 3 is a schematic exploded perspective view of an essential part showing the attachment structure of FIG.

FIG. 3 is a schematic perspective view showing the shape of a spring member.

FIG. 4 is a schematic sectional view of an essential part showing an example of an operation button.

FIG. 5 is a schematic cross-sectional view of a main part taken along the line X-X in FIG.

FIG. 6 is a schematic cross-sectional view of essential parts showing a state where an operation button is pushed in.

FIG. 7 is a schematic cross-sectional view of a main part taken along the line Y-Y in FIG. 6;

FIG. 8 is a schematic cross-sectional view of a main part showing an example of a one-side pressed state.

FIG. 9 is a schematic cross-sectional view of a main part showing another example of the one-side pressed state.

[Explanation of symbols]

 11 ... Operation button main body 12, 13 ... Support shaft 14 ... Spring member 14a, 14b ... Notch 14c ... Folding piece 18 ... Switch

Claims (2)

[Claims] 1. An operation button main body having a pair of support shafts, an engagement portion formed of an elastic material and engaged with each of the support shafts, and a switch operation portion formed by folding back. An operation button comprising: a spring member; and a switch operating portion provided on the spring member being pressed against the switch by pressing the operation button body. 2. The operation button according to claim 1, wherein the switch operating portion is formed by folding back at a substantially intermediate position between the pair of support shafts.