JPS6242497Y2 - - Google Patents
Info
- Publication number
- JPS6242497Y2 JPS6242497Y2 JP1982135216U JP13521682U JPS6242497Y2 JP S6242497 Y2 JPS6242497 Y2 JP S6242497Y2 JP 1982135216 U JP1982135216 U JP 1982135216U JP 13521682 U JP13521682 U JP 13521682U JP S6242497 Y2 JPS6242497 Y2 JP S6242497Y2
- Authority
- JP
- Japan
- Prior art keywords
- contact piece
- elastic contact
- mounting structure
- intersection line
- plane
- 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
- 238000005452 bending Methods 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Landscapes
- Adjustable Resistors (AREA)
- Details Of Resistors (AREA)
Description
【考案の詳細な説明】
本考案は、抵抗体型ポテンシヨメータのような
電気部品における可動板等のような取付部材に弾
性接片を取付け固定する種類の弾性接片の取付構
造に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a mounting structure for an elastic contact piece of the type that attaches and fixes the elastic contact piece to a mounting member such as a movable plate in an electrical component such as a resistor type potentiometer.
従来のこの種類の取付構造は弾性接片をリベツ
ト止め又はかしめ止めなどにより取付部材に固定
しており、このため高精度の接点位置及び接点押
圧力を得ることが困難であり、且つ冷熱又は衝撃
などにより接片の取付部にゆるみを生じるという
欠点を有していた。 In the conventional mounting structure of this type, the elastic contact piece is fixed to the mounting member by riveting or caulking, and as a result, it is difficult to obtain highly accurate contact position and contact pressing force, and it is difficult to obtain high precision contact position and contact pressure. This has the disadvantage that the mounting portion of the contact piece becomes loose due to such factors.
本考案は上記したような従来の弾性接片の取付
構造の欠点を取除いた簡単で便利な形で前記した
種類の弾性接片の取付構造を提供することを目的
とする。 The object of the present invention is to provide a simple and convenient mounting structure for an elastic contact piece of the type described above, which eliminates the drawbacks of the conventional elastic contact piece mounting structure.
次に、図示した本考案の例を説明する。 Next, an illustrated example of the present invention will be explained.
第１図は本考案により構成されたポテンシヨメ
ータを概略的に示す縦断面図であり、図において
１は合成樹脂のような絶縁材料で作られたケーシ
ングであり、ケーシング１に回転部材２がその垂
直軸線の周りに回転可能に取付けられており、回
転部材２はケーシング１と同様の材料で作られて
いる。ケーシング１の上部に固定接片３が固定さ
れており、固定接片３は回転部材２に取付けられ
た可動接片４と後述するようにして接触して電気
回路の一部を構成する。 1 is a vertical cross-sectional view showing a potentiometer constructed according to the present invention, in which reference numeral 1 denotes a casing made of an insulating material such as synthetic resin, and a rotating member 2 is attached to the casing 1 so as to be rotatable about its vertical axis, the rotating member 2 being made of the same material as the casing 1. A fixed contact 3 is fixed to the top of the casing 1, and the fixed contact 3 comes into contact with a movable contact 4 attached to the rotating member 2 in a manner which will be described later, forming a part of an electric circuit.
固定接片３に近接する回転部材２の端部は固定
接片３とほぼ平行な面２−１と、面２−１から所
定の角度をもつて固定接片３から離れる方へ傾斜
している傾斜面２−２とを形成している。更に、
回転部材２は傾斜面２−２のほぼ中央において直
立する円柱状突起部２−３と、面２−１と反対の
傾斜面２−２の端において直立する直立端面２−
４とを一体に形成している。また、面２−１及び
面２−２の境界線となる交線Ｌ上で面２−２と直
角な面２−５を形成するように前記交線に沿つて
離隔して回転部材２と一体に形成された一対の突
起部２−６が回転部材２に設けられており、それ
ぞれの面２−５には前記交線に沿つて延在する溝
（図示せず）が形成されている。 The end of the rotating member 2 that is close to the fixed contact piece 3 has a surface 2-1 that is substantially parallel to the fixed contact piece 3, and a surface 2-1 that is inclined away from the fixed contact piece 3 at a predetermined angle from the surface 2-1. A slope 2-2 is formed. Furthermore,
The rotating member 2 has a cylindrical protrusion 2-3 that stands upright at approximately the center of the inclined surface 2-2, and an upright end surface 2-3 that stands upright at the end of the inclined surface 2-2 opposite to the surface 2-1.
4 are integrally formed. Further, the rotating member 2 is spaced apart along the intersection line so as to form a plane 2-5 that is perpendicular to the plane 2-2 on the intersection line L that is the boundary line between the planes 2-1 and 2-2. A pair of integrally formed protrusions 2-6 are provided on the rotating member 2, and a groove (not shown) extending along the intersection line is formed in each surface 2-5. .
可動接片４はりん青銅のような適当な導電性材
料で作られた平板状金属片であり、その基部４−
１は第２図に示すように長方形の形状を有し、且
つその中央に、回転部材２の円柱状突起部２−３
に嵌合する穴４−２が形成されている。基部４−
１の一端から互いにほぼ平行に延在する接点部分
４−３が一体に形成されており、部分４−３のそ
れぞれの自由端は使用中に固定接片３に弾性的に
接触するようになつている。基部４−１の反対端
には、適当個数（この例では３つ）の爪状押圧部
４ー４を一体に形成している。 The movable contact piece 4 is a flat metal piece made of a suitable conductive material such as phosphor bronze, and its base 4-
1 has a rectangular shape as shown in FIG.
A hole 4-2 is formed to fit into the hole 4-2. Base 4-
Contact portions 4-3 extending substantially parallel to each other from one end of 1 are integrally formed, the free ends of each of the portions 4-3 coming into elastic contact with the stationary contact piece 3 during use. ing. An appropriate number (three in this example) of claw-like pressing portions 4-4 are integrally formed at the opposite end of the base portion 4-1.
組立中に、可動接片４の穴４−２を回転部材２
の突起部２−３に嵌合し、且つ可動接片４のそれ
ぞれの接点部分４−３及び基部４−１のそれぞれ
の側端の間に延在する端部４−５を回転部材２の
突起部２−６の面２−５の溝にそれぞれ嵌入させ
ると共に基部４−１の爪状押圧部４ー４を回転部
材２の直立端面２−４に弾性的に押圧させて可動
接片４を回転部材２の傾斜面２−２に沿つて延在
させ、更に第３図に示したようにスナツプ座金５
を突起部２−３に装着して可動接片４を回転部材
２に対して離脱不能に固定する。この時爪状押圧
部４ー４は押し曲げられて端部４−５を部材２の
面２−５の溝に押圧し、接点部分４−３のたわみ
の起点を正確に画定する。このようにして、可動
接片４の２つの接点部分４−３はその自由端が固
定接点３に接触し、その際接点部分４−３は回転
部材２の面２−１及び面２−２の交線上を起点と
して適度にたわんで所定の接触圧を与えることが
できる。 During assembly, insert the hole 4-2 of the movable contact piece 4 into the rotating member 2.
The end portion 4-5, which fits into the protrusion portion 2-3 of the rotating member 2 and extends between the respective contact portions 4-3 of the movable contact piece 4 and the respective side ends of the base portion 4-1, is connected to the end portion 4-5 of the rotating member 2. The movable contact piece 4 is fitted into the grooves of the surface 2-5 of the projection 2-6, and the claw-shaped pressing portion 4-4 of the base 4-1 is elastically pressed against the upright end surface 2-4 of the rotating member 2. extends along the inclined surface 2-2 of the rotating member 2, and furthermore, as shown in FIG.
is attached to the protrusion 2-3 to fix the movable contact piece 4 to the rotating member 2 irremovably. At this time, the claw-like pressing portion 4-4 is pressed and bent to press the end portion 4-5 into the groove of the surface 2-5 of the member 2, thereby accurately defining the starting point of the deflection of the contact portion 4-3. In this way, the two contact parts 4-3 of the movable contact piece 4 contact with their free ends the fixed contact 3, with the contact parts 4-3 contacting the surfaces 2-1 and 2-2 of the rotary member 2. It is possible to apply a predetermined contact pressure by appropriately flexing with the starting point on the intersection line.
次に、第４図及び第５図に示した本考案の別の
例では、回転部材２の直立端面２−４に隣接する
可動接片４の基部４−１の端全体に板状押圧部４
−６を形状しており、この板状押圧部４−６が回
転部材２の直立端面に弾性的に押圧し、且つ可動
接片４及びスナツプ座金５の間に当て板６を介在
させ、それにより可動接片４を部材２に均一に接
触させると共に板状押圧部４−６の押圧力を強め
て接片４を部材２に一層確実に保持させるように
構成されており、それ以外の部分の構成は第１図
から第３図に示した構成と同じである。また、別
の例ではスナツプ座金５を設ける代りに回転部材
２の突起部２−３を熱かしめして当て板６を接片
４を介して部材２に押圧するように構成されてい
る。なお、上記一実施例では、平板部材を構成す
るスナツプ座金５又は当て板６が交線６を越えて
平面２−１側に近在しているので、一層確実に、
接点部分４−３が、交線Ｌの位置で屈曲するよう
に構成できる。 Next, in another example of the present invention shown in FIG. 4 and FIG. 4
-6, and this plate-shaped pressing part 4-6 elastically presses against the upright end surface of the rotating member 2, and a backing plate 6 is interposed between the movable contact piece 4 and the snap washer 5, and It is configured to bring the movable contact piece 4 into uniform contact with the member 2 and to strengthen the pressing force of the plate-shaped pressing portion 4-6 to more reliably hold the contact piece 4 on the member 2. The configuration is the same as that shown in FIGS. 1 to 3. In another example, instead of providing the snap washer 5, the protrusion 2-3 of the rotating member 2 is heat swaged so that the backing plate 6 is pressed against the member 2 via the contact piece 4. In the above-mentioned embodiment, since the snap washer 5 or the backing plate 6 that constitutes the flat plate member is close to the plane 2-1 side beyond the intersection line 6, the
The contact portion 4-3 can be configured to be bent at the position of the intersection line L.
以上述べたように本考案においては、弾性接片
４の接点部分４−３の延在方向とほぼ一致する表
面２−２を有しているから、表面２−２上に、平
板部材にて、弾性接片４を密接固定させて組付け
ると、表面２−２と平面２−１との交線Ｌで、弾
性接片４の接点部分の屈曲角度および屈曲点、つ
まり、たわみの起点から先端の接点部までの寸法
が正確に決定でき、製品間で、これらの寸法およ
び角度のバラツキが少なくなる。よつて、性能が
均一であるところの高品質の製品の製造が可能と
なるという効果が大である。 As described above, in the present invention, since the elastic contact piece 4 has the surface 2-2 that substantially coincides with the extending direction of the contact portion 4-3, a flat plate member is provided on the surface 2-2. , when the elastic contact piece 4 is tightly fixed and assembled, the bending angle and bending point of the contact portion of the elastic contact piece 4, that is, from the origin of deflection, at the intersection line L between the surface 2-2 and the plane 2-1. The dimensions up to the contact point at the tip can be determined accurately, and variations in these dimensions and angles between products are reduced. Therefore, there is a great effect that it is possible to manufacture high-quality products with uniform performance.
第１図は本考案により構成されたポテンシヨメ
ータの概略縦断面図であり、第２図は第１図のポ
テンシヨメータの部分の拡大平面図であり、第３
図は第１図のポテンシヨメータの部分の拡大破断
断面図であり、第４図は本考案の変形した例の破
断平面図であり、第５図は第４図の部分の断面図
である。
１……ケーシング、２……回転部材、３……固
定接片、４……可動接片、５……スナツプ座金、
６……当て板。
FIG. 1 is a schematic vertical sectional view of a potentiometer constructed according to the present invention, FIG. 2 is an enlarged plan view of the potentiometer shown in FIG. 1, and FIG.
The figure is an enlarged cutaway sectional view of the potentiometer portion of FIG. 1, FIG. 4 is a cutaway plan view of a modified example of the present invention, and FIG. 5 is a sectional view of the portion of FIG. 4. . 1... Casing, 2... Rotating member, 3... Fixed contact piece, 4... Movable contact piece, 5... Snap washer,
6...Packing board.
Claims (1)
に弾性接片４を取付け固定する弾性接片の取付
構造において、前記取付部材２は前記弾性接片
４の接点部分４−３の延在方向とほぼ一致する
表面２−２と、前記表面２−２に対して傾斜し
て前記表面２−２との交線Ｌが前記弾性接片４
の前記接点部分４−３のたわみの起点を形成す
る平面２−１と、前記表面２−２及び前記平面
２−１との前記交線Ｌ上に直立面を形成して、
弾性により長手方向に押圧される前記弾性接片
４を係止保持する突起部２−６と、前記弾性接
片を前記表面に密接固定させる平板部材とを有
することを特徴とする弾性接片の取付構造。 ２ 前記平板部材は少なくともスナツプ座金５を
有することを特徴とする実用新案登録請求の範
囲第１項に記載の弾性接片の取付構造。 ３ 前記平板部材は前記表面から前記交線Ｌを越
えて延在している実用新案登録請求の範囲第１
項又は第２項に記載の弾性接片の取付構造。 ４ 前記弾性接片４の前記接点部分４−３と反対
側の端面に前記弾性接片４の平面から傾斜して
形成された押圧部４−４，４−６を有し、この
押圧部が前記取付部材２と一体の直立端面２−
４に押付けられ、これにより前記弾性接片の端
面を前記突起部２−６の根元に押付けているこ
とを特徴とする実用新案登録請求の範囲第１項
に記載の弾性接片の取付構造。[Scope of claims for utility model registration] 1. Mounting member consisting of a movable plate for electrical components 2.
In the elastic contact piece mounting structure for attaching and fixing the elastic contact piece 4 to -2, and the intersection line L with the surface 2-2 is the elastic contact piece 4.
forming an upright surface on the intersection line L of the plane 2-1 forming the origin of deflection of the contact portion 4-3, the surface 2-2 and the plane 2-1;
An elastic contact piece characterized in that it has a protrusion 2-6 that locks and holds the elastic contact piece 4 pressed in the longitudinal direction by elasticity, and a flat plate member that tightly fixes the elastic contact piece to the surface. Mounting structure. 2. The elastic contact piece mounting structure according to claim 1, wherein the flat plate member has at least a snap washer 5. 3. The flat plate member extends beyond the intersection line L from the surface.
2. Mounting structure of the elastic contact piece according to item 1 or 2. 4 The elastic contact piece 4 has pressing parts 4-4 and 4-6 formed at an angle from the plane of the elastic contact piece 4 on the end face opposite to the contact part 4-3, and this pressing part Upright end surface 2- integral with the mounting member 2
4, thereby pressing the end face of the elastic contact piece against the root of the protrusion 2-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13521682U JPS5939905U (en) | 1982-09-06 | 1982-09-06 | Mounting structure of elastic contact piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13521682U JPS5939905U (en) | 1982-09-06 | 1982-09-06 | Mounting structure of elastic contact piece |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5939905U JPS5939905U (en) | 1984-03-14 |
| JPS6242497Y2 true JPS6242497Y2 (en) | 1987-10-31 |
Family
ID=30304418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13521682U Granted JPS5939905U (en) | 1982-09-06 | 1982-09-06 | Mounting structure of elastic contact piece |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5939905U (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5393658U (en) * | 1976-12-29 | 1978-07-31 |
-
1982
- 1982-09-06 JP JP13521682U patent/JPS5939905U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5939905U (en) | 1984-03-14 |
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