JPS625322B2 - - Google Patents
Info
- Publication number
- JPS625322B2 JPS625322B2 JP9125479A JP9125479A JPS625322B2 JP S625322 B2 JPS625322 B2 JP S625322B2 JP 9125479 A JP9125479 A JP 9125479A JP 9125479 A JP9125479 A JP 9125479A JP S625322 B2 JPS625322 B2 JP S625322B2
- Authority
- JP
- Japan
- Prior art keywords
- resistor
- rotor
- insulating substrate
- collecting electrode
- current collecting
- 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.)
- Expired
Links
- 239000004020 conductor Substances 0.000 claims description 10
- 239000000758 substrate Substances 0.000 claims description 9
- 239000004033 plastic Substances 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 239000004945 silicone rubber Substances 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
Landscapes
- Adjustable Resistors (AREA)
- Details Of Resistors (AREA)
Description
【発明の詳細な説明】
本発明は可変抵抗器に関し、特にトリマ形ポテ
ンシヨメータ等の可変抵抗器の改良に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a variable resistor, and particularly to improvements in a variable resistor such as a trimmer type potentiometer.
従来の可変抵抗器、特にトリマ形ポテンシヨメ
ータは、一般にハウジングベースより成り、セラ
ミツク等の平板状基板の表面に形成させた抵抗体
および集電電極体上に回転子の下部に固定させた
弾性を有する摺動子を上部から圧接し摺動させて
抵抗値を調整するものが大部分であつた。そのた
め摺動子が回転子と共に連動するので単回転方式
となり抵抗値の微調整が困難であつた。また抵抗
体と摺動子との接触摩擦による上記両者の摩耗の
ため回転回数の増大に伴ない、抵抗値の変化やノ
イズ等が増大し易くなり装置の寿命や信頼に多大
な悪影響を及ぼしていた。 Conventional variable resistors, especially trimmer type potentiometers, generally consist of a housing base, a resistor formed on the surface of a flat substrate such as ceramic, and an elastic resistor fixed to the bottom of a rotor on a current collecting electrode body. In most cases, the resistance value was adjusted by pressing a slider having a 100 mm diameter from above and sliding it. As a result, the slider moves together with the rotor, resulting in a single rotation system, making it difficult to finely adjust the resistance value. Additionally, as the number of rotations increases due to abrasion of both the resistor and slider due to contact friction, changes in resistance and noise tend to increase, which has a significant negative impact on the lifespan and reliability of the device. Ta.
本発明の目的は、上記欠点を除去した可変抵抗
体を提供することにある。 An object of the present invention is to provide a variable resistor that eliminates the above drawbacks.
本発明によれば、絶縁性基板の片面の中心部に
凹状の集電電極部を設け、集電電極部の外周をと
り囲むように円弧形の抵抗体を被着形成し、絶縁
性基板の抵抗体被着面側に中心部に集電電極部と
圧接合致する凸状の突起部を有する導電性板から
なる回転子を設置し、絶縁性基板と前記回転子と
の間隙に球状の導電性エラストマーを設け、かつ
導電性エラストマーが抵抗体表面を回転子の回転
運動によつて圧接転動するように、回転子の突起
部のまわりに輪形の溝部を設けたことを特徴とす
る可変抵抗器が得られる。さらには、絶縁性基板
の抵抗体および上記回転子の溝部をそれぞれうず
巻状にしたことを特徴とする可変抵抗器をも得ら
れる。 According to the present invention, a concave current collecting electrode portion is provided at the center of one side of an insulating substrate, an arc-shaped resistor is adhered to surround the outer periphery of the current collecting electrode portion, and the insulating substrate A rotor made of a conductive plate having a convex protrusion in the center that press-fits with the current collecting electrode is installed on the side to which the resistor is attached, and a spherical plate is installed in the gap between the insulating substrate and the rotor. A variable variable resistor characterized in that a conductive elastomer is provided, and a ring-shaped groove is provided around a protrusion of the rotor so that the conductive elastomer rolls in pressure contact with the surface of the resistor by the rotational movement of the rotor. A resistor is obtained. Furthermore, a variable resistor is also obtained in which the resistor of the insulating substrate and the groove of the rotor are each spirally shaped.
次に本発明を図面を参照して説明する。 Next, the present invention will be explained with reference to the drawings.
実施例 １
第１図Ａ〜Ｃに示すように円形の絶縁性ベース
１（以下ベースと略称）の表面の中心に円形溝を
穿設し凹状の集電電極部２を埋め込み、集電電極
部２の外周部の同心円上に、円弧形状の抵抗体３
を被着形成する。ベース１の上部には一定の間隔
をおいて導電性の回転子４が設置してあり、回転
子４の底部に凸状の突起部４ａおよび突起部４ａ
の外周部に同心円上に輪状の溝部４ｂを設けてあ
る。突起部４ａは集電電極部２の圧接して合致し
摺動することができる。また、ベース１と回転子
４との中間には、溝部４ｂによつて抵抗体３の表
面上を圧接しかつ回転子４の回転運動によつて抵
抗体３の表面上を回転移動する導電性シリコンゴ
ム等の球状導電体５（以下導電体５と略称）を設
置してある。但し導電体５の回転移動はベース１
の１部に設けたストツパー１ａによつて停止す
る。Example 1 As shown in FIGS. 1A to 1C, a circular groove was bored in the center of the surface of a circular insulating base 1 (hereinafter referred to as the base), and a concave collector electrode part 2 was embedded therein to form a collector electrode part. An arc-shaped resistor 3 is placed on a concentric circle on the outer periphery of 2.
Form the adhesion. A conductive rotor 4 is installed on the top of the base 1 at regular intervals, and a convex protrusion 4a and a protrusion 4a are provided on the bottom of the rotor 4.
An annular groove 4b is provided concentrically on the outer periphery of the holder. The protruding portion 4a is able to press against and slide against the current collecting electrode portion 2. Further, between the base 1 and the rotor 4, a conductive material is provided which is in pressure contact with the surface of the resistor 3 through the groove portion 4b and rotates on the surface of the resistor 3 by the rotational movement of the rotor 4. A spherical conductor 5 (hereinafter abbreviated as conductor 5) made of silicone rubber or the like is installed. However, the rotational movement of the conductor 5 is based on the base 1.
It is stopped by a stopper 1a provided in a part of the body.
円弧状の抵抗体３の両端部には金などの導電材
の真空蒸着により電極６ａ，６ｂが被着形成して
あり、電極６ａ，６ｂおよび集電電極部２はそれ
ぞれリード端子７ａ，７ｂ，７ｃと銀ペーストな
どにより接続固定してある。回転子４はシリコン
ゴムなどの０リング８を介して第４図に示すよう
な熱す塑性プラスチツク等の絶縁性の外装ケース
９内に収納し外装ケース９とベース１とは接着剤
等で接続固定する。なお回転子４の頭部４ｃには
ドライバー差し込み用の溝１０ａを設けた熱す塑
性プラスチツクなどの合成樹脂からなる絶縁体突
出部１０が密着しており外部と電気的に絶縁して
いる。 Electrodes 6a and 6b are formed on both ends of the arc-shaped resistor 3 by vacuum evaporation of a conductive material such as gold, and the electrodes 6a and 6b and the current collecting electrode section 2 are connected to lead terminals 7a and 7b, respectively. 7c and are connected and fixed with silver paste or the like. The rotor 4 is housed in an insulating outer case 9 made of hot plastic or the like as shown in FIG. 4 via an O-ring 8 made of silicone rubber or the like, and the outer case 9 and the base 1 are connected with adhesive or the like. Fix it. An insulator protrusion 10 made of synthetic resin such as hot plastic plastic and having a groove 10a for inserting a screwdriver is in close contact with the head 4c of the rotor 4 to electrically insulate it from the outside.
実施例 ２
さらに第２図ａ，ｂに示すように回転子４の溝
部４ｂを溝部４b′のように、また第３図ａ，ｂに
示すように抵抗体３を抵抗体３′のようにそれぞ
れうず巻状に形成させることによつて抵抗体３の
長さを第１の実施例より長く形成することができ
る。Embodiment 2 Furthermore, as shown in FIGS. 2a and 2b, the groove 4b of the rotor 4 is shaped like a groove 4b', and as shown in FIGS. 3a and 3b, the resistor 3 is shaped like a resistor 3'. By forming each resistor 3 in a spiral shape, the length of the resistor 3 can be made longer than in the first embodiment.
以上、本発明によれば、従来の摺動子に比較し
て、抵抗体と球状導電体との接触摩耗が小さく、
微調整することができ、かつ球状の導電体を用い
ることにより量産に適する小型化、長寿命の多回
転式可変抵抗器が得られる。 As described above, according to the present invention, the contact wear between the resistor and the spherical conductor is small compared to the conventional slider.
By using a spherical conductor that can be finely adjusted, a multi-rotation variable resistor that is compact and has a long life, suitable for mass production, can be obtained.
第１図ａは、本発明の一実施例の可変抵抗器の
分解断面図を示す。第１図ｂは第１図ａの回転子
の底面図、第１図ｃは第１図ａの抵抗体３の上面
図。第２図ａ，ｂおよび第３図ａ，ｂは本発明の
他の実施例による回転子および抵抗体の断面図と
底面図、上面図を示す。第４図は本発明の斜視図
を示す。
１……絶縁性ベース、１ａ……ストツパー、２
……集電電極部、３，３′……抵抗体、４……回
転子、４ａ……突起部、４ｂ，４′……溝部、４
ｃ……回転子の頭部、５……球状の導電体、６
ａ，６ｂ……電極、７ａ，７ｂ，７ｃ……リード
端子、８……０リング、９……ケース、１０……
絶縁体突出部。
FIG. 1a shows an exploded cross-sectional view of a variable resistor according to an embodiment of the present invention. 1b is a bottom view of the rotor of FIG. 1a, and FIG. 1c is a top view of the resistor 3 of FIG. 1a. 2a, b and 3 a, b show a sectional view, a bottom view, and a top view of a rotor and a resistor according to another embodiment of the present invention. FIG. 4 shows a perspective view of the invention. 1... Insulating base, 1a... Stopper, 2
...Collecting electrode portion, 3, 3'...Resistor, 4...Rotor, 4a...Protrusion, 4b, 4'...Groove, 4
c... Rotor head, 5... Spherical conductor, 6
a, 6b...electrode, 7a, 7b, 7c...lead terminal, 8...0 ring, 9...case, 10...
Insulator protrusion.
Claims (1)
け、前記集電電極部の外周を囲むように抵抗体を
被着形成し、前記絶縁性基板の抵抗体被着面側
に、中心部に前記集電電極部と圧接合致する導電
性板からなる回転子を設置し、前記絶縁性基板と
前記回転子との間隙に球状の導電体を設け、かつ
前記導電体が前記抵抗体表面を前記回転子の回転
運動によつて圧接転動するように前記回転子のま
わりに溝部を設けたことを特徴とする可変抵抗
器。 ２ 前記絶縁性基板の抵抗体および前記回転子の
溝部をそれぞれうず巻状にしたことを特徴とする
特許請求の範囲第１項記載の可変抵抗器。[Scope of Claims] 1. A current collecting electrode portion is provided at the center of one side of an insulating substrate, a resistor is formed to surround the outer periphery of the current collecting electrode portion, and a resistor covering of the insulating substrate is formed. A rotor made of a conductive plate is installed in the center on the mounting surface side and is press-fitted with the current collecting electrode part, a spherical conductor is provided in the gap between the insulating substrate and the rotor, and the conductor A variable resistor characterized in that a groove is provided around the rotor so that the body rolls in pressure contact with the surface of the resistor by the rotational movement of the rotor. 2. The variable resistor according to claim 1, wherein the resistor of the insulating substrate and the groove of the rotor are each spiral-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9125479A JPS5615004A (en) | 1979-07-18 | 1979-07-18 | Variable resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9125479A JPS5615004A (en) | 1979-07-18 | 1979-07-18 | Variable resistor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5615004A JPS5615004A (en) | 1981-02-13 |
| JPS625322B2 true JPS625322B2 (en) | 1987-02-04 |
Family
ID=14021282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9125479A Granted JPS5615004A (en) | 1979-07-18 | 1979-07-18 | Variable resistor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5615004A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6324646U (en) * | 1986-07-30 | 1988-02-18 | ||
| US4774062A (en) * | 1987-01-13 | 1988-09-27 | Alten Corporation | Corona discharge ozonator |
-
1979
- 1979-07-18 JP JP9125479A patent/JPS5615004A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5615004A (en) | 1981-02-13 |
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