JPH0312177Y2

JPH0312177Y2 -

Info

Publication number: JPH0312177Y2
Application number: JP1986085842U
Authority: JP
Priority date: 1986-06-05
Filing date: 1986-06-05
Publication date: 1991-03-22
Also published as: JPS62197226U

Description

【考案の詳細な説明】産業上の利用分野本考案は、スイツチの摺動接触機構に関し、特
に、円周上に配備した接片上に凹所を形成し、接
触位置の安定化を計り、小型化するのに適した回
転摺動接触機構に関する。[Detailed description of the invention] Industrial application field The present invention relates to the sliding contact mechanism of a switch. In particular, the invention forms a recess on the contact piece disposed on the circumference to stabilize the contact position, and is compact. This invention relates to a rotating sliding contact mechanism suitable for

従来の技術従来、この種のスイツチとしては、特に接触機
構部に位置決め手段を設けず、別途に設けた切換
節度機構により位置決めし接触機構部を摺動接触
させて開閉する構造であつた。BACKGROUND ART Conventionally, this type of switch has a structure in which the contact mechanism section is not provided with any positioning means, and is positioned by a separately provided switching moderation mechanism, and the contact mechanism section is brought into sliding contact to open and close.

考案が解決しようとする問題点しかしながら、上記の如きスイツチは切換
OFF時に可動接片の位置が遊び等により定まら
ないことに起因して、可動接片と固定接片間の絶
縁距離が小さいばかりか変動し、耐電圧不良とな
り、特に小型化を計る上での障害となつていた。Problems that the invention attempts to solve: However, the above switch is
Due to the fact that the position of the movable contact piece is not fixed due to play etc. when OFF, the insulation distance between the movable contact piece and the fixed contact piece is not only small but also fluctuates, resulting in poor withstand voltage. It was becoming an obstacle.

また、上記のことからON−ON（２ポジシヨン
タイプ）、ON−OFF−ON（３ポジシヨンタイプ）
の共通化が計れない等の欠点があつた。 Also, from the above, ON-ON (2 position type), ON-OFF-ON (3 position type)
There were shortcomings such as the inability to measure commonality.

本考案は従来の上記事情に鑑みてなされたもの
であり、従つて本考案の目的は、従来の技術に内
在する上記諸欠点を解消することを可能としたの
新規な摺動接触機構を提供することにある。 The present invention has been made in view of the above-mentioned conventional circumstances, and therefore, the purpose of the present invention is to provide a novel sliding contact mechanism that makes it possible to eliminate the above-mentioned disadvantages inherent in the conventional technology. It's about doing.

問題点を解決するための手段上記目的を達成する為に、本考案に係る摺動接
触機構は、スイツチ基体内底面の円周上に共通接
片と複数の固定接片を配備し、前記円周上の中心
部を通り、両端が前記共通接片、固定接片上に載
置された円弧状に形成した可動接片と、該可動接
片を挟装し、その略中央部を押圧するコイルばね
を備えた転換子とを設け、前記共通接片上に凹所
を設けて構成される。Means for Solving the Problems In order to achieve the above object, the sliding contact mechanism according to the present invention includes a common contact piece and a plurality of fixed contact pieces arranged on the circumference of the bottom surface of the switch base, and A movable contact piece formed in an arc shape that passes through the center on the periphery and has both ends placed on the common contact piece and the fixed contact piece, and a coil that sandwiches the movable contact piece and presses the approximately central part of the movable contact piece. A converter provided with a spring is provided, and a recess is provided on the common contact piece.

作用本考案によれば、凹所を設けた接片上を円弧状
に形成した可動接片が摺動接触し、切換節度機構
の設定位置に対応した凹所に位置決めがなされ
る。Function According to the present invention, the movable contact piece formed in an arc shape slides on the contact piece provided with the recess, and is positioned in the recess corresponding to the set position of the switching moderation mechanism.

実施例以下、本考案をその好ましい一実施例について
図面を参照しながら詳細に説明する。Embodiment Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the drawings.

第１図〜第４図は本考案の一実施例を示し、そ
のうち第１図は断面図、第２図は分解斜視図、第
３図は下半分の平面図、第４図ａ，ｂは本考案の
要部の動作を説明する為の正面図である。 Figures 1 to 4 show an embodiment of the present invention, of which Figure 1 is a sectional view, Figure 2 is an exploded perspective view, Figure 3 is a plan view of the lower half, and Figures 4a and 4b are FIG. 3 is a front view for explaining the operation of the main parts of the present invention.

第１図〜第４図を参照するに、円筒状部の上面
に貫通孔１１′が設けられ、外周にねじ１２が刻
設された覆蓋１に、トラツク状の把手部２１と下
方に凸部２２を有する操作軸２２が挿通され、そ
の下部には上面に前記操作軸の下方の凸部２２が
嵌合する円形上部３１と、その下方に円形上部３
１より徐々に径が小さくなる２段の段部が形成さ
れた転換子３が配置されている。転換子３の中央
部に位置する円形部３２の側面に貫通孔３２ａを
設け、該貫通孔３２ａにコイルばね４が挿入さ
れ、その両端にスチールボール５が配備され、そ
こへ内面に切換節度形状をもつた円筒状の切換子
６が環装されている。この切換子６は覆蓋１の内
面に圧入される等して回転止めが計られる。転換
子３の下段部３３の下面には穴を設けると共に縦
溝３３ａにより２つ割りに形成されている。前記
転換子３の下面の孔には、コイルばね７が挿入さ
れており、円弧状に形成され、中央部の幅が狭い
可動接片８が前記転換子の下段部３３に形成され
た縦溝３３ａに挟装されると共にコイルばね７に
より下方に押圧されている。円形状に形成され、
上面に開口部を有するスイツチ基体９の内周上に
は共通接片１０と固定接片１１が配設されこれら
の接片１０，１１上に可動接片８が接触するよう
に構成されている。該共通接片１０の上面中央に
は凹所１０１が形成され、それと対向して固定接
片間にスイツチ基体内底面より隆起する凸起９１
が形成されている。 Referring to FIGS. 1 to 4, a cover 1 is provided with a through hole 11' on the upper surface of the cylindrical part and a screw 12 carved on the outer periphery, and a track-shaped handle part 21 and a convex part on the lower part. An operating shaft 22 having a diameter of 22 is inserted through the operating shaft 22, and a circular upper portion 31 is provided on the upper surface of the operating shaft 22, into which the lower convex portion 22 of the operating shaft fits, and a circular upper portion 31 is located below the operating shaft 22.
A converter 3 is disposed in which a two-stage step portion whose diameter gradually becomes smaller than that of the converter 3 is formed. A through hole 32a is provided on the side surface of the circular portion 32 located at the center of the converter 3, a coil spring 4 is inserted into the through hole 32a, a steel ball 5 is provided at both ends, and a switching moderation shape is provided on the inner surface thereof. A cylindrical switching element 6 having a diameter is mounted on the ring. The switch 6 is press-fitted into the inner surface of the cover 1 to prevent rotation. The lower surface of the lower part 33 of the converter 3 is provided with a hole and is divided into two parts by a vertical groove 33a. A coil spring 7 is inserted into the hole on the lower surface of the converter 3, and a movable contact piece 8 formed in an arc shape and having a narrow center portion is attached to a vertical groove formed in the lower part 33 of the converter. 33a and is pressed downward by the coil spring 7. Formed in a circular shape,
A common contact piece 10 and a fixed contact piece 11 are arranged on the inner periphery of a switch base 9 having an opening on the upper surface, and the movable contact piece 8 is configured to be in contact with these contact pieces 10 and 11. . A recess 101 is formed in the center of the upper surface of the common contact piece 10, and a protrusion 91 protruding from the inner bottom surface of the switch base is formed between the fixed contact pieces opposite to the recess 101.
is formed.

本考案の上記構成により、転換子３に挟装され
コイルばね７の押圧を受けた可動接片８が円周上
に配設された固定接片１１、共通接片１０の上面
を摺動し、開閉を行うものであり、共通接片１０
の凹所１０１とスイツチ内底面の凸起９１上に載
置されて“OFF”となる（第４図ｂ参照）。 With the above structure of the present invention, the movable contact piece 8, which is sandwiched between the converter 3 and pressed by the coil spring 7, slides on the upper surface of the fixed contact piece 11 and the common contact piece 10 arranged on the circumference. , which opens and closes, and has a common contact piece 10.
The switch is placed on the recess 101 and the protrusion 91 on the inner bottom surface of the switch, and is turned "OFF" (see FIG. 4b).

第５図は固定接片１１の上面にも凹所１１１を
設けた本考案の他実施例を示す要部分解斜視図で
ある。この他の実施例においては、共通接片１０
の上面２箇所に凹所１０１が形成されている。 FIG. 5 is an exploded perspective view of a main part showing another embodiment of the present invention in which a recess 111 is also provided on the upper surface of the fixed contact piece 11. In this other embodiment, the common contact piece 10
Recesses 101 are formed at two locations on the upper surface of.

考案の効果 (1) 以上説明したように、本考案によれ、円周上
に配設した共通接片上に凹所を形成したので、
可動接片の一端がその凹所に落ち込むことによ
り、他の一端が凸起に安定して静止するので、
絶縁距離Ｙ（第４図ｂ参照）はほぼ均等に確保
でき、絶縁性、耐電圧性等電気的に安全な摺動
接触機構を提供することができる。Effects of the invention (1) As explained above, according to the invention, a recess is formed on the common contact pieces arranged on the circumference, so that
When one end of the movable contact piece falls into the recess, the other end rests stably on the protrusion.
The insulation distance Y (see FIG. 4b) can be maintained almost uniformly, and a sliding contact mechanism that is electrically safe in terms of insulation and voltage resistance can be provided.

(2) 本考案によれば、円周上に配設した共通接片
上に凹所を形成したので、接触位置のばらつき
がなく、従つて、接触の安定した摺動接触機構
を提供することができる。(2) According to the present invention, since the recess is formed on the common contact piece disposed on the circumference, there is no variation in the contact position, and therefore it is possible to provide a sliding contact mechanism with stable contact. can.

(3) また、本考案によれば、円周上に配設した共
通接片上に凹所を形成したのでON−ON（２ポ
ジシヨンタイプ）、ON−OFF−ON（３ポジシ
ヨンタイプ）のスイツチ基体の共通化が計られ
る。(3) Also, according to the present invention, since a recess is formed on the common contact piece disposed on the circumference, ON-ON (2 position type) and ON-OFF-ON (3 position type) can be used. The switch base will be standardized.

(4) 更に、本考案によれば、固定接片間にスイツ
チ内底面より凸起を設けたために、打接点後、
摺動するので、接触のすぐれた摺動接触機構を
提供することができる。(4) Furthermore, according to the present invention, since a protrusion is provided between the fixed contact pieces from the inner bottom surface of the switch, after the contact point,
Since it slides, it is possible to provide a sliding contact mechanism with excellent contact.

[Brief explanation of the drawing]

第１図〜第４図ａ，ｂは本考案の一実施例を示
し、第１図は断面図、第２図は分解斜視図、第３
図は下半分の平面図、第４図ａ，ｂは本考案の要
部を示す正面図（ａは第３図の矢印Ａ方向から見
た拡大部分端面図、ｂは第３図の矢印Ｂ方向から
見た拡大部分端面図）、第５図は本考案の変形例
を示す要部斜視図である。１…覆蓋、２…操作軸、３…転換子、４，７…
コイルばね、５…スチールボール、６…切換子、
８…可動接片、９…スイツチ基体、１０…共通接
片、１１…固定接片。 1 to 4 a and b show an embodiment of the present invention, in which FIG. 1 is a sectional view, FIG. 2 is an exploded perspective view, and FIG. 3 is an exploded perspective view.
The figure is a plan view of the lower half, and Figures 4a and 4b are front views showing the main parts of the present invention (a is an enlarged partial end view seen from the direction of arrow A in Figure 3, and b is an enlarged partial end view as seen from the direction of arrow B in Figure 3). FIG. 5 is a perspective view of a main part showing a modification of the present invention. 1... Cover, 2... Operating shaft, 3... Converter, 4, 7...
Coil spring, 5... steel ball, 6... switch,
8... Movable contact piece, 9... Switch base, 10... Common contact piece, 11... Fixed contact piece.

Claims

[Claims for Utility Model Registration] (1) In a switch having a contact mechanism section and a switching moderation mechanism section, the contact mechanism section is arranged on the circumferential surface of the inner bottom surface of the switch base with a common contact piece and a plurality of fixed contact pieces. At the same time, a protrusion protruding from the bottom surface of the switch base is provided between the fixed contact pieces, and a circular shape passes through the center of the bottom surface of the switch base and has both ends in contact with the common contact piece and the fixed contact piece. It is constructed by arranging movable contact pieces formed in an arc shape, a converter is provided which is equipped with a coil spring that sandwiches the movable contact pieces and presses a substantially central portion of the movable contact pieces, and a recess is provided on the common contact piece. A sliding contact mechanism characterized by having a space. (2) The sliding contact mechanism according to claim (1) of the utility model registration, characterized in that a recess is also provided on the fixed contact piece.