JP3617496B2 - Sliding electronic parts - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a sliding electronic component.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, a sliding electronic component is configured to change its electrical output by sliding a slider attached to a sliding object on a conductive pattern provided on a substrate. This type of sliding electronic component is required to be thin in order to attach it to, for example, a portable device.
[0003]
4A and 4B are schematic cross-sectional views of a conventional slide-type electronic component, in which FIG. 4A is a schematic cross-sectional view, and FIG. 4B is a cross-sectional view taken along line BB in FIG. The slide-type electronic component shown in FIG. 1 includes a case 100, a mounting plate 110, a sliding object 130 to which a slider 120 is attached, a substrate 140, a knob 150, and a coil spring 160.
[0004]
This slide-type electronic component houses a slide-type object 130 with a slider 120 attached in a case 100, and the knob 150 and the slide-type object 130 are integrated with each other through an opening 101 provided in the case 100. The coil spring 160 is housed in the elastic member housing portion 131 provided in the sliding mold 130, the substrate 140 is fixed to the mounting plate 110, and the case 100 is fixed to the mounting plate 110. .
[0005]
When the knob 150 is slid to the left and right from the neutral position (see FIG. 4B), the slide type object 130 integrated at the same time slides to the left and right, and the slider 120 is placed on the conductive pattern (not shown) of the substrate 140. The resistance value changes. When the sliding object 130 slides, the coil spring 160 housed in the resilient member housing part 131 of the sliding mold 130 is provided on one end surface of the resilient member housing part 131 and the mounting plate 110. Then, the knob 150 and the sliding object 130 are automatically returned to the neutral position.
[0006]
However, in the slide-type electronic component having the above-described configuration, the coil spring 160 is provided between the sliding mold 130 and the mounting plate 110. Therefore, the height L of the case 100 increases according to the height of the coil spring 160. Sliding electronic components could not be thinned.
[0007]
[Problems to be solved by the invention]
The present invention has been made in view of the above points, and an object of the present invention is to provide a sliding electronic component that can be thinned.
[0008]
[Means for Solving the Problems]
In order to solve the above problems, the present invention arranges a knob and a slide-type object above and below an opening provided in a case, integrates the knob and the slide-type object through the opening, and slides the knob. In the sliding electronic component that changes its electrical output, a resilient member is provided between the knob and the sliding mold to automatically return the knob and the sliding mold to the neutral position. To do.
[0009]
In addition, at least one of the members between the integrated knob and the sliding mold is provided with a resilient member housing portion that houses the resilient member, and the sliding mold slides in either direction from the neutral position. In this case, the elastic member is elastic between one end surface of the elastic member housing portion and one end surface of the opening of the case, and the elastic force can return the sliding type object from the slide position to the neutral position. preferable.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 1 is a schematic cross-sectional view of a sliding electronic component according to an embodiment of the present invention. FIG. 1 (a) is a schematic cross-sectional view, and FIG. 1 (b) is a cross-sectional view taken along line AA of FIG. FIG. 2 is an exploded perspective view of the sliding electronic component.
[0011]
As shown in FIGS. 1 and 2, the sliding electronic component includes a mounting plate 10, a flexible substrate 20, a sliding mold 30, a slider 40, a case 50, a knob 60, a coil spring (elastic spring). Generating member) 70. Each component will be described below.
[0012]
The mounting plate 10 is formed by molding a synthetic resin into a substantially rectangular shape. Holes 11 are provided at four corners of the mounting plate 10, and two protrusions 12 project at predetermined positions on the upper surface.
[0013]
The flexible substrate 20 is formed by printing desired switch conductive patterns 21, 22, 23 on the surface of a sheet portion formed in a substantially rectangular shape, and fixing holes 24 are formed at positions corresponding to the protrusions 12 of the mounting plate 10. Is provided. In addition, a drawer portion 25 that pulls the flexible substrate 20 to the outside is pulled out at the base portion of the flexible substrate 20.
[0014]
The sliding mold 30 is formed by molding a synthetic resin into a substantially rectangular shape, and a resilient member accommodating portion 31 for accommodating a lower portion of the coil spring 70 is provided on an upper surface thereof, and holes 32 and 32 are provided on both sides thereof. Is provided. The sliding object 30 is provided with a concave slider accommodating portion 33 on the lower surface of one side in the longitudinal direction (left side in FIG. 2), and a protrusion 34 is provided at a predetermined position of the slider accommodating portion 33. It has been.
[0015]
The slider 40 is made of a substantially rectangular elastic metal plate, a small hole 42 is provided in the base 41, and a sliding contact portion 43 that is bent and protrudes from the end of the base 41 into a U shape is provided. It has been.
[0016]
The case 50 is a synthetic resin molded product. A rectangular opening 51 is provided on the upper surface of the case 50, and protrusions 52 are provided on the lower ends of the four corners of the side surface of the case 50, respectively. Further, a notch 53 is provided for pulling out the drawer portion 25 of the flexible substrate 20 to the outside. In addition, the length of the opening 51 is substantially the same as the length of the resilient member housing portion 31 of the sliding mold 30 (see FIG. 1B).
[0017]
The knob 60 is formed by forming a synthetic resin so that the cross section is substantially convex. Operation portions 61 and 61 are provided on the left and right sides of the upper surface, respectively. A resilient member housing portion 62 having the same shape as the resilient member housing portion 31 of the sliding object 30 is provided (see FIG. 1), and projections 63 and 63 are provided on both sides thereof so as to protrude downward. Yes. In addition, the width | variety of the processus | protrusions 63 and 63 is a little shorter than the width | variety of the opening 51 so that the integrated knob 60 and the sliding type | mold object 30 which are shown below can slide (refer Fig.1 (a)).
[0018]
The coil spring 70 is made of an elastic metal wire, and the outer diameter of the coil spring 70 is the depth of the resilient member accommodating portion 31 of the sliding object 30 and the resilient member accommodating portion 61 of the knob 60 and the opening 51 of the case 50. It is a little smaller than the total length.
[0019]
Next, a method for assembling the slide type electronic component will be described. First, the slider 40 is disposed on the lower surface of the slider housing portion 33 of the sliding mold 30, and a small hole 42 of the slider 40 is inserted into the small protrusion 34 of the slider housing portion 33 to heat the tip of the slider 40. The slider 40 is fixed to the sliding mold 30 by crimping.
[0020]
Next, the flexible substrate 20 is disposed on the mounting plate 10, the protrusion 12 of the mounting plate 10 is inserted into the fixing hole 24 of the flexible substrate 20, and the tip of the protrusion 12 protruding from the upper surface of the flexible substrate 20 is caulked. Then, the mounting plate 10 and the flexible substrate 20 are fixed.
[0021]
Next, the sliding object 30 to which the slider 40 is attached is accommodated in the case 50, and the coil spring 70 is accommodated in the resilient member accommodating portion 31 of the sliding object 30 from the opening 51 of the case 50.
[0022]
Next, the knob 60 is disposed on the opening 51 of the case 50, and the protrusions 63, 63 of the knob 60 are inserted into the holes 32, 32 of the sliding mold 30 through the opening 51. The knob 60 and the sliding mold 30 are fixed together by heat caulking the tips of the protruding protrusions 63, 63. The upper part of the coil spring 70 is housed in the elastic member housing portion 62 of the knob 60. At this time, the stored coil spring 70 is stored in the elastic member storage portions 31 and 62 in a state where the elastic member storage portion 31 and the opening 51 and the end surfaces of the elastic member storage portion 62 are elastically formed. Has been.
[0023]
Next, the case 50 is disposed on the mounting plate 10 to which the flexible substrate 20 is attached, and the four protrusions 52 provided on the case 50 are inserted into the four holes 11 of the mounting plate 10, and the drawer portion 25 is attached to the case 50. The slide 52 is inserted into the notch 53, and the tip of the protrusion 52 is caulked, thereby completing the assembly of the slide-type electronic component.
[0024]
Next, the operation of this sliding electronic component will be described. FIG. 3 is an explanatory view of the operation of the sliding electronic component. First, as shown in FIG. 1B, the knob 60 presses one of the operation portions 61 from the neutral position and slides it in the arrow A direction. In the neutral position, one sliding contact portion 43 of the slider 40 is in contact with the conductive pattern 23, but the other sliding contact portion 43 is located between the conductive pattern 21 and the conductive pattern 22, whichever It is in a state where it is not in contact with the conductive pattern.
[0025]
At the same time that the knob 60 is slid, the integrated sliding mold 30 also slides in the direction of arrow A and moves to the position shown in FIG. At this time, the coil spring 70 includes one end surface (the right side surface of the resilient member accommodating portions 31 and 62) of the resilient member accommodating portion 31 of the sliding object 30 and the resilient member accommodating portion 62 of the knob 60, and the case 50. This is a state in which it is repelled between one end surface of the opening 51 (the left side surface of the opening 51). 3A, one sliding contact portion 43 of the slider 40 shown in FIG. 2 is in contact with the conductive pattern 23, and the other sliding contact portion 43 is in contact with the conductive pattern 21. The conductive pattern is turned on.
[0026]
When the pressing of the knob 60 to the one operation portion 61 is released, the sliding object 30 and the knob 60 are automatically returned to the neutral position shown in FIG.
[0027]
In addition, when the other operating portion 61 is pressed and slid in the arrow B direction from the neutral position shown in FIG. 1B, the integrated sliding object 30 also slides in the arrow B direction. Move to the position shown in (b). At this time, the coil spring 70 includes one end surface (the left side surface of the resilient member housing portions 31 and 62) of the resilient member housing portion 31 of the sliding object 30 and the resilient member housing portion 62 of the knob 60, and the case 50. It is in the state which is repelling between the one end surface (right side surface of the opening 51) of this opening 51. 3B, one sliding contact portion 43 of the slider 40 shown in FIG. 2 contacts the conductive pattern 23, and the other sliding contact portion 43 contacts the conductive pattern 22. In the position shown in FIG. The two conductive patterns are turned on.
[0028]
When the pressing of the knob 60 to the other operation portion 61 is released, the sliding object 30 and the knob 60 are automatically returned to the neutral position shown in FIG.
[0029]
As shown in FIG. 1, the slide type electronic component has a coil spring 70 for automatically returning the sliding mold 30 and the knob 60 to the neutral position, and is a space in which the thicknesses of the sliding mold 30, the case 50, and the knob 60 are combined. Since it is provided inside, that is, between the sliding mold 30 and the knob 60, it is possible to reduce the thickness of the sliding electronic component.
[0030]
Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and various modifications can be made within the scope of the technical idea described in the claims and the specification and drawings. Is possible. Note that any shape, structure, or material not directly described in the specification and drawings is within the scope of the technical idea of the present invention as long as the effects and advantages of the present invention are exhibited. For example, in this embodiment, when the coil spring 70 is stored in the elastic member storage part 31 of the sliding object 30 and the elastic member storage part 62 of the knob 60, it is stored in a state where it is elastic. It is not limited to this, and you may store in the state which is not bulleted. Further, the elastic member housing portion may be provided only on either the sliding object 30 or the knob 60.
[0031]
【The invention's effect】
As described above in detail, according to the present invention, the elastic member for automatically returning the knob and the sliding mold to the neutral position is provided between the knob and the sliding mold. It has an excellent effect that can be achieved.
[Brief description of the drawings]
1A and 1B are schematic cross-sectional views of a sliding electronic component according to an embodiment of the present invention, in which FIG. 1A is a schematic cross-sectional view, and FIG. It is.
FIG. 2 is an exploded perspective view of a sliding electronic component.
FIG. 3 is an operation explanatory view of a sliding electronic component.
4A and 4B are schematic cross-sectional views of a sliding electronic component according to a conventional embodiment, in which FIG. 4A is a schematic cross-sectional view, and FIG. 4B is a cross-sectional view taken along line BB in FIG. is there.
[Explanation of symbols]
10 Mounting plate 20 Flexible substrate 30 Sliding mold 40 Slider 50 Case 60 Knob 70 Coil spring (elastic member)

Claims (2)

A knob and a slide-type object are arranged above and below the opening provided in the case. The knob and the slide-type object are integrated through the opening, and the electric output is changed by sliding the knob. In sliding electronic parts,
A sliding electronic component comprising a resilient member for automatically returning the knob and the sliding mold to a neutral position between the knob and the sliding mold. At least one of the two members between the integrated knob and the sliding mold is provided with a resilient member housing for housing the resilient member, and the sliding mold is moved in any direction from the neutral position. When the sliding member slides, the resilient member repels between one end surface of the resilient member housing portion and one end surface of the opening of the case, and by this resilient force, the sliding type object is moved from the slide position to the neutral position. The sliding electronic component according to claim 1, wherein the sliding electronic component returns.

Images