JP2879312B2 - Rotating electronic components with click function - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rotary electronic component having a click function.

[0002]

2. Description of the Related Art Conventionally, there is a rotary electronic component with a click function having a structure in which a click sensation occurs at the same time when a rotation axis of a rotary electronic component such as a rotary switch or a rotary variable resistor is rotated.

[0003] In this type of rotary electronic component having a click function, a slider fixing plate to which a slider is fixed is arranged below a rotating body provided with a sliding contact pattern. There is a structure in which a click mechanism is attached and the slider slides on the sliding contact pattern by rotating the rotating body to generate a click feeling at that time.

In such a structure, both a metal plate slider and a click plate are insert-molded in a resin plate body, while a sliding contact pattern and an outer periphery of the sliding contact pattern are formed on the lower surface of the rotating body. In some cases, a rotary switch and a click function are simultaneously generated by providing a click projection and depression and engaging a slider with a sliding contact pattern and a click plate and projection and depression.

[0005] This rotary electronic component with a click function,
Since the slider and the click plate are integrally insert-molded in the plate body, the thickness can be reduced.

[0006]

However, in the above-mentioned conventional rotary electronic component having a click function, a sliding contact pattern must be provided on the lower surface of the rotating body and a click unevenness must be provided on the outer periphery of the sliding contact pattern. The area of the rotating body becomes large, so that it is not possible to reduce the size of the rotary electronic component with the click function in the outer peripheral direction (radial direction) or to provide a multi-circuit (increase the number of circuits). Could not.

The present invention has been made in view of the above points, and an object of the present invention is to provide a rotary electronic component with a click function which can be reduced in size and thickness or has a simple structure having multiple circuits. It is in.

[0008]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a rotating body having a desired pattern provided on a lower surface of a substantially circular synthetic resin rotating plate, and a metal sheet attached to a synthetic resin plate. A slider fixing plate formed by insert-molding a slider made of a plate and a click plate , wherein the rotating body is rotatably arranged on the slider fixing plate, and is slid in a pattern of the rotating body. the slider of Doko fixing plate in a rotary electronic component of the sliding Sesse occupied structure, to form a click engagement portions having irregularities alternately on the outer peripheral side surface of the rotating plate of the rotator, whereas the slider fixed
The click plate insert-molded on the plate
Up the click projection on the front
Engage the click engaging part on the outer peripheral side of the rotating
This allows the slider to slide on the lower surface of the rotating body.
And only the fins were provided .

[0009]

Since the click projection of the click plate is elastically contacted with the side surface of the rotating body, the entire lower surface of the rotating body can be used only for sliding contact of the slider. Therefore, it is possible to reduce the size of the rotary electronic component with the click function in the outer peripheral direction or to increase the number of circuits.

[0010]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a schematic side sectional view showing a rotary electronic component 10 with a click function according to one embodiment of the present invention. As shown in the figure, the rotary electronic component 10 with a click function accommodates a rotatable body 30 rotatably in an upper case 20 and attaches a slider fixing plate 50 to a lower side of the rotatable body 30. A bottom plate 80 is attached to the lower side. Hereinafter, each component will be described.

FIG. 2 is an exploded perspective view of the rotary electronic component 10 with a click function. As shown in FIG. 1 and FIG. 1, the upper case 20 is provided with a cylindrical through hole 23 at the center of a box-shaped case body 21 having an open lower surface, and four locking grooves extending from the outer peripheral side surface to the upper surface. 25 are provided.

FIG. 3 is a rear view of the rotating body 30. As shown in FIG. 1 and FIGS. 1 and 2, the rotating body 30 is configured by providing a movable contact pattern 33 on the lower surface of a substantially circular rotating plate 31.

The rotating plate 31 is formed by integrally molding a synthetic resin, and has a cylindrical shaft 32 at the center of its upper surface.
And a click engagement portion 35 having a large number of irregularities is provided on the entire outer peripheral side surface. A projection 37 protrudes from the center of the lower surface.

On the other hand, the movable contact pattern 33 is made of a thin metal plate, and includes a ring-shaped common pattern 39 provided at the center and an on-off pattern 41 radially protruding from the outer periphery of the common pattern 39. .

FIG. 4 is a view showing a method of manufacturing the rotating body 30. First, a movable contact pattern 33 is formed in a frame 43 by pressing a metal plate as shown in FIG.

Next, as shown by a dashed line in FIG.
With the surface of the movable contact pattern 33 exposed, the rotating plate 31 is molded around the surface, and both are fixed integrally.

When the connecting member 45 provided around the rotating plate 31 is cut, the rotating body 30 shown in FIGS.
Is completed.

Next, as shown in FIG. 1 and FIG. 2, a slider fixing plate 50 has three sliders 53 (53-1, 53-2, 53) inside a plate 51 made of synthetic resin. -3) and three terminals 5
5 and a part of each of the click plates 57 are manufactured by insert molding.

Here, the plate 51 is formed in a substantially square shape.
Three rectangular holes 59, 61, 63 and one circular hole 64 are provided therein, and four grooves 65
Is formed.

Next, each of the sliders 53 has a corresponding one of the sliding contacts 53.
1 protrudes from the side surfaces inside the holes 59 and 61 of the plate body 51 and is bent obliquely upward.

Each terminal 55 is formed by projecting from the outer peripheral side surface of the plate body 51 and bending downward. Note that these three terminals 55 are connected to the three sliders 53, respectively.

The both ends of the click plate 57 are insert-molded in the plate 51 so as to protrude from the side surface in the hole 63 of the plate 51, and the click projection 73 of the click plate 57 is It is bent almost vertically upward.

FIG. 5 is a view showing a method of manufacturing the slider fixing plate 50. That is, first, as shown in FIG. 5A, a metal plate is pressed to form three sliders 53, three terminals 55, and one click plate 57 inside the frame 75. Here, the slider 53 and the terminal 55 are integrated one by one.

Then, a plate body 51 made of a synthetic resin is molded and integrated around the metal plate as shown by a dashed line.
That is, the slider 53 and the terminal 55 are placed in the synthetic resin plate 51.
And a part of the click plate 57 are respectively insert-molded.

As shown in FIG. 5B, the periphery of the plate 51 is separated from the frame 75, and at the same time, the tip of each slider 53 is also separated from the metal plate. In addition, one slider 53-1
Is cut shorter than the other two sliders 53-2 and 53-3, and the position of the sliding contact 531 is slightly shifted.

Then, as shown in FIG. 2, each slider 53 is bent obliquely upward, and at the same time, the click projection 73 of the click plate 57 is bent substantially vertically upward. Thus, the slider fixing plate 50 is completed.

Next, the bottom plate 80 projects four locking pieces 81 and two locking claws 83 from the outer periphery of the rectangular metal plate, and the locking pieces 81 are bent upward at right angles to form 83 is formed by bending downward at a right angle.

To assemble the rotary electronic component 10 with a click function, first, the slider fixing plate 50 is placed on the bottom plate 80. At this time, each locking piece 81 is engaged in the groove 65.

Next, the rotating body 3 is placed on the slider fixing plate 50.
Place 0. At this time, the protrusion 37 (see FIG. 1) of the rotating body 30 is rotatably inserted into the hole 64 of the slider fixing plate 50 and is pivotally supported.

At this time, the sliding contact 5 of each slider 53
31 is a movable contact pattern 33 on the lower surface of the rotating body 30 (see FIG. 3).
The click projection 73 of the click plate 57 is in elastic contact with the click engagement portion 35 on the side surface of the rotating body 30.

Then, the upper case 20 is put on the rotating body 30 from above, and the shaft 32 of the rotating body 30 is inserted into the through hole 23. Then, when the locking pieces 81 of the bottom plate 80 are inserted into the locking grooves 25 and the upper portions thereof are bent on the upper surface of the upper case 20, the rotary electronic component 10 with a click function is completed.

When the shaft 32 is rotated as shown in FIG. 1, the sliding contact 531 of each slider 53 comes into sliding contact with the movable contact pattern 33, and the on / off output can be taken out to each terminal 55.

At this time, since the click projection 73 of the click plate 57 is in elastic contact with the click engagement portion 35 on the side surface of the rotating body 30, the engagement and disengagement of the unevenness is repeated, and a click feeling is generated each time.

One slider 53 specifically shown in FIG.
-3 is in sliding contact with the common pattern 39 shown in FIG. 3, and the other two sliders 53-1 and 53-2 are on / off patterns 4
However, since the sliding contacts 531 of the two sliders 53-1 and 53-2 are slightly displaced, the on / off timing of the sliding contact with the on / off pattern 41 is different.
Thereby, the rotation direction of the rotating body 30 can be detected.

According to the present invention, as shown in FIG. 2, a click plate 57 having both ends insert-molded on a slider fixing plate 50 is vertically raised to form a click engagement portion 35 on the side surface of the rotating body 30.
, The entire lower surface of the rotating body 30 can be used only for sliding contact of the slider 53, and the area of the rotating body 30 can be reduced accordingly.

On the other hand, since there is a margin in the area of the slider fixing plate 50, the area is set to the size of the above-described embodiment.
By increasing the number of the sliders 53, for example, as shown in FIG.
Making a book is easy.

Although the above embodiment shows an example in which the present invention is applied to a rotary switch, the present invention is not limited to this, and it goes without saying that the present invention may be applied to other rotary electronic components such as a variable resistor. No.

[0038]

As described above in detail, according to the present invention, the click projection of the click plate is elastically contacted with the side surface of the rotating body, so that the rotary electronic component with the click function can be downsized in the outer peripheral direction. On the other hand, if the area is the same, the number of sliders, that is, the number of circuits can be increased.

[Brief description of the drawings]

FIG. 1 is a schematic side sectional view showing a rotary electronic component with a click function according to an embodiment of the present invention.

FIG. 2 is an exploded perspective view of the rotary electronic component 10 with a click function.

FIG. 3 is a rear view of the rotating body 30.

FIG. 4 is a diagram showing a method of manufacturing the rotating body 30.

FIG. 5 is a diagram illustrating a method of manufacturing the slider fixing plate 50.

FIG. 6 is a view showing a structure of a slider 53 used in another embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Rotary electronic component with a click function 20 Upper case 30 Rotating body 31 Rotating plate 33 Movable contact pattern 35 Click engaging part 50 Slider fixing plate 51 Plate body 53 Slider 55 Terminal 57 Click plate 59, 61, 63 hole (Space) 73 Projection for click 80 Bottom plate

Claims (1)

(57) [Claims] 1. A rotating body having a desired pattern provided on the lower surface of a substantially circular synthetic resin rotary plate, a slider made of a metal plate on a synthetic resin plate, and a click plate
And a slider fixing plate obtained by insert-molding the same. The rotor is rotatably arranged on the slider fixing plate, and the slider of the slider fixing plate is arranged in a pattern of the rotating body. In the rotary electronic component having a structure in which the rotary members are brought into sliding contact with each other, a click engagement portion having irregularities provided alternately on an outer peripheral side surface of a rotary plate of the rotary body is formed, while a click insert-molded to the slider fixing plate.
The plate has a click projection provided on the click plate.
Clicking up on the outer peripheral side of the rotating plate by standing up
And the lower surface of the rotating body slides on the lower surface.
A rotary electronic component with a click function, wherein only a pattern in which a moving element slides is provided .