JPS6234406U - - Google Patents
Info
- Publication number
- JPS6234406U JPS6234406U JP12499985U JP12499985U JPS6234406U JP S6234406 U JPS6234406 U JP S6234406U JP 12499985 U JP12499985 U JP 12499985U JP 12499985 U JP12499985 U JP 12499985U JP S6234406 U JPS6234406 U JP S6234406U
- Authority
- JP
- Japan
- Prior art keywords
- variable resistor
- shaft member
- slider
- operating shaft
- conductive rubber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000758 substrate Substances 0.000 claims description 3
- 239000007779 soft material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
Landscapes
- Details Of Resistors (AREA)
- Adjustable Resistors (AREA)
Description
第１図は本考案の一実施例に係わるの可変抵抗
器の組立て断面図、第２図は第１図の可変抵抗器
を組立てた状態の断面図、第３図Ａは本考案の一
実施例の摺動子のたわみ量に対する接触圧の変化
を示す特性図、第３図Ｂは本考案の一実施例の摺
動子のたわみ量に対する接触抵抗の変化を示す特
性図、第４図は本考案で用いる摺動子の変形例を
示す断面図、第５図Ａは理想的な摺動子のたわみ
量に対する接触圧の変化を示す特性図、第５図Ｂ
は理想的な摺動子のたわみ量に対する接触抵抗の
変化を示す特性図である。
１……絶縁基板、２……抵抗体、３……集電部
、４……カバー、５……軸受部材挿入孔、６……
軸受部材、７……操作軸部材、８……取付孔、９
……摺動子、１０……凸状接点部、１１……ブリ
ツジ部、１２……硬質部、１３……軟質層。
Figure 1 is an assembled sectional view of a variable resistor according to an embodiment of the present invention, Figure 2 is a sectional view of the assembled variable resistor of Figure 1, and Figure 3A is an embodiment of the present invention. FIG. 3B is a characteristic diagram showing the change in contact pressure with respect to the amount of deflection of the slider in the example of the present invention. FIG. A sectional view showing a modified example of the slider used in the present invention, FIG. 5A is a characteristic diagram showing changes in contact pressure with respect to the deflection amount of an ideal slider, and FIG. 5B
is a characteristic diagram showing the change in contact resistance with respect to the amount of deflection of an ideal slider. DESCRIPTION OF SYMBOLS 1... Insulating substrate, 2... Resistor, 3... Current collector, 4... Cover, 5... Bearing member insertion hole, 6...
Bearing member, 7... Operating shaft member, 8... Mounting hole, 9
... Slider, 10 ... Convex contact portion, 11 ... Bridge portion, 12 ... Hard portion, 13 ... Soft layer.
Claims (1)
基板と、操作軸部材と、前記絶縁基板に対して固
定され前記操作軸部材を回転自在に支持する支持
手段と、前記操作軸部材に設けられた摺動子取付
穴と、前記摺動子取付穴に嵌合されて取付けられ
前記抵抗体と集電部とに接する凸状接点部を両端
に有して該両凸状接点部をブリツジ部で一体に連
結した摺動子とを具備してなる可変抵抗器におい
て、前記ブリツジ部は硬質導電ゴムからなり、前
記ブリツジ部の前記摺動子取付穴の底部に対向す
る部分には前記硬質導電ゴムより硬度の小さい軟
質材料からなる軟質層が一体に設けられているこ
とを特徴とする可変抵抗器。 (2) 前記軟質層は、前記ブリツジ部のたわみ量
を吸収して前記摺動子の回転動作時における前記
凸状接点部の接触圧及び接触抵抗の変化をほぼフ
ラツトにする硬度を有していることを特徴とする
実用新案登録請求の範囲第１項に記載の可変抵抗
器。 (3) 前記軟質導電ゴムは、スポンジ状を呈して
いることを特徴とする実用新案登録請求の範囲第
１項に記載の可変抵抗器。[Claims for Utility Model Registration] (1) An insulating substrate having a resistor and a current collector formed on its surface, an operating shaft member, and an operating shaft member fixed to the insulating substrate and rotatably supporting the operating shaft member. A support means, a slider mounting hole provided in the operating shaft member, and a convex contact portion fitted in and attached to the slider mounting hole and in contact with the resistor and the current collector at both ends. and a slider in which both convex contact portions are integrally connected by a bridge portion, wherein the bridge portion is made of hard conductive rubber, and the slider mounting hole of the bridge portion is made of hard conductive rubber. A variable resistor characterized in that a soft layer made of a soft material whose hardness is smaller than that of the hard conductive rubber is integrally provided on a portion facing the bottom of the variable resistor. (2) The soft layer has a hardness that absorbs the amount of deflection of the bridge portion and makes changes in contact pressure and contact resistance of the convex contact portion substantially flat during rotation of the slider. The variable resistor according to claim 1, characterized in that the variable resistor is characterized in that: (3) The variable resistor according to claim 1, wherein the soft conductive rubber has a sponge-like shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985124999U JPH041685Y2 (en) | 1985-08-14 | 1985-08-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985124999U JPH041685Y2 (en) | 1985-08-14 | 1985-08-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6234406U true JPS6234406U (en) | 1987-02-28 |
| JPH041685Y2 JPH041685Y2 (en) | 1992-01-21 |
Family
ID=31017511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985124999U Expired JPH041685Y2 (en) | 1985-08-14 | 1985-08-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH041685Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03160172A (en) * | 1989-11-15 | 1991-07-10 | Matsushita Electric Works Ltd | Diaphragm unit |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5243040U (en) * | 1975-09-22 | 1977-03-26 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5243040B2 (en) * | 1974-12-20 | 1977-10-27 |
-
1985
- 1985-08-14 JP JP1985124999U patent/JPH041685Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5243040U (en) * | 1975-09-22 | 1977-03-26 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03160172A (en) * | 1989-11-15 | 1991-07-10 | Matsushita Electric Works Ltd | Diaphragm unit |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH041685Y2 (en) | 1992-01-21 |
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