JP3073302B2 - Operating devices for electronic equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an operating device for an electronic apparatus such as a tape player and a disk player mounted on a vehicle, and more particularly to an operating device which is easy to assemble and has improved operability.

[0002]

2. Description of the Related Art A general structure of an operating device of an electronic device such as a tape player or a disk player for a vehicle is as follows.
It has a substrate on which each operation switch such as the tape player is arranged, and a cover provided with an operation body for operating the switches and provided so as to cover the substrate. FIG. 4 shows a schematic structure of one example, and particularly shows a mounted state of a rotary button for volume control. In FIG. 4, reference numeral 1 denotes a board, and a volume 2 for volume control is mounted on the board 1 as a rotary operation component, and the volume 2 is provided with an operation shaft 3. The front surface of the substrate 1 is covered by a cover 4, and a rotary button 5 is attached to a tip of the operation shaft 3 protruding outside the cover 4.

[0003]

However, in the operating device shown in FIG. 4, since the rotary button 5 must be mounted on the operating shaft 3 protruding from the cover 4 after the cover 4 is mounted, the assembly process is complicated. become. FIG.
Since the rotary button 5 shown in FIG. 5 has a small diameter, it also has a disadvantage that it is difficult to rotate.

[0004] The present invention is to solve the above-mentioned conventional problems, is easy to assemble, has good operability,
It is another object of the present invention to provide an operating device for an electronic device in which the operating body is prevented from being deformed by an operating force applied to the operating body.

[0005]

According to the present invention, there is provided an operating device for an electronic apparatus, comprising: a cover having a projection formed thereon; a rotary operating component fixedly disposed on a portion covered by the cover; and an operation of the rotary operating component. An operating body attached to a shaft, wherein the operating body is formed with knobs provided at intervals, and the cover is formed with holes located on both sides of the protrusion, When the cover is attached,
The knob is exposed from both sides of the protrusion through the hole.

In the above means, it is preferable that a support member for suppressing deformation of the operation body in the rear direction is provided on the rear side of the operation body so as to face the operation body.

[0007]

In the above means, a rotary operation component such as a volume is mounted on the fixed side, and the operation body is fixed to the operation shaft of the rotary operation component. When the cover is attached to the fixed side, knobs formed on the operation body are exposed from holes on both sides of the protrusion of the cover. By providing the operating body on the fixed side in advance in this manner, the assembly is completed by attaching the cover, and the assembling work is facilitated. After the assembly, the knobs are exposed on both sides of the projecting part of the cover, so that the knob can be held and rotated so as to straddle the projecting part with your finger, and the outer radius of the operating body can be substantially increased. hand,
It is easy to hold and rotate.

Further, since the supporting member is provided on the back side of the operating body, when the knob of the operating body is pressed with an excessively large force, the deformation of the operating body is suppressed by the supporting member, and the operating body is suppressed. For example, bending of the base end of the knob can be prevented,
In addition, the operation body can be prevented from being damaged.

[0009]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a partially exploded perspective view showing a part of an operating device of an on-vehicle audio device as an example of an operating device of an electronic device according to the present invention, and FIG. 2 is a II-II of the assembled operating device.
3 is a front view of the operation device. FIG. 1 shows a part of a volume control switch in the operation device of the on-vehicle audio equipment. Reference numeral 21 in FIG.
1 has a volume 22 as a rotary operation part for volume control.
Are mounted, and further electronic components are mounted.

An operation body 23 having knobs 25 protruding substantially vertically (at right angles) is attached to both ends of the operation shaft of the volume 22. By operating the knob 25, the operation axis of the volume 22 is adjusted forward. It is rotated by a predetermined angle in both directions, thereby adjusting the volume. At the tip of the knob 25, a part on the inside is a thin portion 25a cut out with a step. On the substrate 21 and around the volume 22, four bosses 2
The small board (second board) 27 housed in the space between the knobs 25 is attached to the upper end of the boss 26.

The small board 27 is provided with switches 28a to 28d as operation parts and lamps 29a to 29c as display parts. Of these three lamps, for example, the colors 29a and 29c on both sides are red, and the middle 29b is blue. This lamp illuminates the illuminating section provided on the operating device, and a switch (not shown) selects and illuminates the lamps 29a and 29c or the lamp 29b, so that it is preferable to switch the illumination color such as red or blue. It can be done according to. The small substrate 27 includes a lead member 37.
Is electrically connected to the substrate 21. The lead member 37 is a conductive pin, but a flexible cable may be used.

As shown in FIG. 2, a support member 34 is provided between the substrate 21 and the operating body 23.
The support member 34 is fixed to the substrate 21, and a sliding ridge 34 a formed on the upper surface thereof is opposed to the back surface of the operating body 23, and the volume 22 on the substrate 21 is covered by the support member 34. It has become. Operation body 2
When the knob 25 is pressed with a large force in the direction of the substrate 21 when operating the knob 25 of No. 3, the back surface of the operating body 23 is supported by the sliding ridge 34a, and is thin like the base of the knob 25. Is prevented from being bent, and the knob 25 is prevented from being accidentally damaged. The sliding ridge 34a formed on the support member 34 has a volume 2
2 has an arc shape centered on the position of the operation shaft. Even when the knob 25 is operated, even if the rear surface of the operation body 23 hits the sliding ridge 34a, the rotational friction resistance of the operation body 23 is reduced. It can be reduced.

Further, as shown in FIG.
Is covered by the support member 34, so that even if dust or the like enters through a gap between the knob 25 and the cover 24, the dust is blocked by the support member 34 and the volume 22
It can be prevented from adhering to such parts.

Reference numeral 30 denotes a light guide member made of a transparent resin material or the like, and an insertion portion having a hole at the center thereof into which the tip portions of the three lamps 29a through 29c are inserted. A light 30a is formed, and light emitted from the lamps 29a to 29c inserted into the hole is reflected inside the light guide member 30 and proceeds. The light guide member 30 is formed with pressing portions 31a to 31d provided corresponding to the switches 28a to 28d and the like. These pressing portions 31a to 31d are formed integrally with the light guide member 30 and supported by an elastic piece 30b also formed integrally with the light guide member 30 so that the pressing portions 31a to 31d can return to the original state after pressing the switches 28a to 28d. It has become.

Reference numeral 24 denotes a decorative cover for covering the front surface of the substrate 21. A protrusion 24b is formed on a front surface 24a of the cover 24. A plurality of holes are formed in the protruding portion 24b, and those corresponding to the switches 28a to 28d are push buttons 32a to 32d.
Is installed. The push buttons 32a to 32d are formed of a non-translucent resin material having the same color as the cover 24, for example. As shown in FIG. 3, each push button has a translucent material embedded in a portion indicated by (a) to form a display character or a symbol. The lamp 29
The light illuminated by a, 29c or 29b illuminates the display character or symbol portion (a) through the light guide member 30. Therefore, at night or the like, the portion (a) is illuminated with red or blue. Note that the entire push button may be formed of a translucent material. If characters or symbols are formed by embedding a translucent material on the front surface of the protruding portion 24b, the characters and symbols are also illuminated by the light reflected and guided in the light guide member 30.

An elongated hole 33 from which the knob 25 is exposed is formed from a base end on both sides of the projecting portion 24b to a side surface. As shown in FIG. 2, the knob 25 is
3, the thin portion 25a at the tip of the knob 25 is located on the side of the upper surface of the protruding portion 24b. By holding the outer surfaces of the knobs 25 and 25 so as to straddle the protrusion 24b with a finger, the operation body 23 can be rotated. As shown in FIG. 3, a cassette tape insertion port 35 and a liquid crystal display window 36 are formed on the front surface of the cover 24, and further operation buttons 38 are provided.

Next, an assembling process of the operating device having the above configuration will be described. In the operating device having the above structure, after mounting various components on the board 21 side, if the cover 24 is put on and fixed,
Assembly work is completed. First, the volume 2 on the substrate 21
2 and the boss 26 are attached, and the operation body 23 is attached to the operation shaft of the volume 22. Thereafter, a small board 27 is attached at the tip of the boss 26 and between the knobs 25 and 25 of the operating body 23. The switches 28a to 28d and the lamps 29a, 29b, 29
c etc. are implemented. After the small board 27 is attached, the conductive pattern of the small board 27 and the conductive pattern of the board 21 are soldered to the lead member 37. Various electronic components such as other switches, lamps, and liquid crystal displays are mounted on the substrate 21 in advance.

On the cover 24 side, push buttons 32a to 32
d and other operation buttons 38 from the inside,
The light guide member 30 is attached to 4b from the inside. The light guide member 30 is fixed to the cover 24 by, for example, fitting in a concave and convex manner, thereby preventing the push buttons 32a to 32d from coming off. Similarly, the light guide member is attached to the other portion of the cover 24 from the inside, and the operation button 38 and the like are prevented from coming off.

When the cover 24 is attached to and fixed to the rear main body portion to which the substrate 21 is fixed, the knob 25 of the operating body 23 is exposed from the elongated hole 33 of the cover 24 as shown in FIG. . The pressing portions 31a to 31d formed on the light guide member 30 face the switches 28a to 28d, and the lamps 29a, 29b, 29c are inserted into holes of the insertion portion 30a of the light guide member 30. The same applies to the other parts of the cover 24, in which a switch provided on the substrate 21 faces the light guide member inside each operation button 38, and the liquid crystal display body faces the liquid crystal display window 36.

When the user wants to adjust the volume by using the volume control 22, he puts his finger on the protruding portion 24b of the cover 24, holds both outer surfaces of the knob 25, and rotates the knob 25 clockwise or counterclockwise by a predetermined angle. Rotate each time. Knobs 25 and 25
Has a certain distance, the radius of the rotation operation when held by a finger can be substantially increased, the rotation operation force can be easily applied, and the operation feeling becomes very good. When a large pressing force is applied to the knob 25 in the direction of the substrate 21, the back surface of the operating body 23 comes into contact with the sliding ridge 34 a of the support member 34 and slides. Therefore, bending of the knob 25 is suppressed, and breakage or the like is prevented. Further, since the operating body 23 can be rotated by sliding on the sliding ridges 34a, even if the operating body 23 is rotated while being pushed in the direction of the substrate 21, the rotational friction resistance of the operating body 23 is slight, and the operation can be smoothly performed.

When one of the push buttons 32a to 32d is pressed with a finger, one of the pressing portions 31a to 31d provided on the light guide member 30 is deformed via the elastic piece 30b.
One of the switches 28a to 28d is pressed.

Next, for example, when the lighting switch of the automobile is turned on at night or the like, the lamps 29a, 29c or 29b are turned on. Lamp 2 by selection switch not shown
When 9a and 29c are turned on, it becomes red illumination,
When the lamp 29b is turned on, the light turns blue.
This light is guided to the light guide member 30, and the push buttons 32a through 32
The translucent material of the display part (a) of the character or symbol of d is made to emit light. The same applies to the operation unit other than the protrusion 24b.

In the above embodiment, the elongated holes 33 are formed on both sides of the projecting portion 24b formed on the cover 24. The elongated hole extends from the middle of the side surface of the projecting portion 24b. The cover 24 may open over both sides of the upper surface, or may extend from the middle of the side surface of the protrusion 24b.
Opening may be provided over the front surface 24a. Further, no holes are opened on both side surfaces of the protruding portion 24b,
A long hole may be formed in the front surface 24a of the cover 24 on both sides of the cover 4b. Further, in each of the above-described embodiments, the in-vehicle acoustic device has been described.

[0024]

According to the present invention described in detail above, the operating body having knobs projecting from both ends is assembled on the fixed side in advance, the cover is mounted, and the knob projects from the elongated hole of the cover. Therefore, there is no need to attach the operation button after attaching the cover as in the related art, and the assembling work is greatly simplified.

Further, since the knob is exposed on both sides of the protrusion of the cover, the knob is held by straddling the protrusion of the cover with a finger during operation. Therefore, the substantial operation outer diameter of the knob can be increased, the operation force can be easily applied, and the operability is improved.

According to the second aspect of the present invention, since the supporting member is provided on the back side of the operating body, unnecessary deformation of the operating body is prevented even when an excessive pressing force is applied to the operating body. Thus, it is possible to prevent breakage and the like from occurring.

[Brief description of the drawings]

FIG. 1 is a partially exploded perspective view showing an operating device of an on-vehicle audio device as an embodiment of the present invention.

FIG. 2 is a sectional view taken along line II-II of the operating device after assembly.

FIG. 3 is a front view showing the appearance of the operating device.

FIG. 4 is a partial cross-sectional view for explaining a problem of a conventional electronic device operating device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 21 Substrate 22 Volume 23 Operation body 24 Cover 24b Projection 25 Knob 26 Boss 27 Small (second) substrate 28a to 28d Switch 29a to 29c Lamp 30 Light guide member 30a Insertion section 30b Elastic piece 31a to 31d Press section 33 Slot

──────────────────────────────────────────────────続 き Continuation of the front page (56) References Open to the public: 59-151312 (JP, U) Open to the public: 62-1220 (JP, U) Open to the public: 63-38302 (JP, U) Open to the public 28581 (JP, U) (58) Field surveyed (Int. Cl. ⁷ , DB name) G11B 33/02 301

Claims (2)

(57) [Claims] A cover provided with a projection, a rotary operation component fixedly arranged on a portion covered by the cover, and an operation body attached to an operation shaft of the rotary operation component; Knobs provided at intervals on the operating body are formed, holes formed on both sides of the protrusion are formed on the cover, and the knob is attached to the cover when the cover is mounted. An operating device for an electronic device, wherein the operating device is exposed from both side portions of the protruding portion via a projection. 2. A support member for suppressing deformation of the operating body in a rear direction is opposed to a back side of the operating body.
The operating device of the electronic device according to the above.