JP3434950B2 - Sliding switch device - Google Patents
Sliding switch deviceInfo
- Publication number
- JP3434950B2 JP3434950B2 JP32967595A JP32967595A JP3434950B2 JP 3434950 B2 JP3434950 B2 JP 3434950B2 JP 32967595 A JP32967595 A JP 32967595A JP 32967595 A JP32967595 A JP 32967595A JP 3434950 B2 JP3434950 B2 JP 3434950B2
- Authority
- JP
- Japan
- Prior art keywords
- contact
- fixed
- movable contact
- switch device
- sliding
- 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 - Fee Related
Links
Landscapes
- Slide Switches (AREA)
- Contacts (AREA)
Description
【0001】[0001]
【産業上の利用分野】この発明は、可動接点が摺動して
接離する複数の固定接点を有した摺動スイッチ装置の改
良に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement of a sliding switch device having a plurality of fixed contacts whose movable contacts slide in and out of contact with each other.
【0002】[0002]
【従来の技術】この種の従来の摺動スイッチ装置は、例
えば特開平5−325731号公報に示すものがある。
この従来の摺動スイッチ装置は、複数の固定接点を合成
樹脂製の基盤に埋設しており、固定接点と合成樹脂面と
が成す平面上を可動接点が摺動する構造となっており、
可動接点が各固定接点に接離してスイッチ動作をしてい
た。2. Description of the Related Art A conventional sliding switch device of this type is disclosed, for example, in Japanese Patent Laid-Open No. 5-325731.
This conventional sliding switch device has a structure in which a plurality of fixed contacts are embedded in a synthetic resin base, and the movable contacts slide on a plane formed by the fixed contacts and the synthetic resin surface.
The movable contact was in contact with and separated from each fixed contact to perform switch operation.
【0003】[0003]
【発明が解決しようとする課題】しかしながら、上記し
た従来の摺動スイッチ装置は、可動接点が固定接点に対
して接離する際に発生するいわゆるアーク放電により、
固定接点との境界線の合成樹脂が炭化して固定接点間の
絶縁性能が劣化するとか、固定接点の磨耗粉が固定接点
間の合成樹脂の表面に付着して固定接点間の絶縁性能が
劣化する問題が発生していた。However, in the above-mentioned conventional sliding switch device, the so-called arc discharge generated when the movable contact comes into contact with and separates from the fixed contact causes
Insulation performance between fixed contacts deteriorates due to carbonization of the synthetic resin at the boundary with the fixed contacts or deterioration of insulation performance between fixed contacts, or abrasion powder of fixed contacts adheres to the surface of synthetic resin between fixed contacts. There was a problem.
【0004】この発明は、上記した課題を解決するもの
であり、可動接点が固定接点に対して接離する際に発生
するアーク放電等により固定接点間の絶縁性能が劣化し
ないようにした摺動スイッチ装置を提供することを目的
としたもので有る。The present invention has been made to solve the above-mentioned problems, and sliding in which the insulation performance between fixed contacts is not deteriorated by arc discharge or the like generated when the movable contact is brought into contact with or separated from the fixed contacts. It is intended to provide a switch device.
【0005】[0005]
【課題を解決するための手段】上記課題を解決するため
に、まず請求項1記載の発明は、可動接点が摺動して接
離する複数の固定接点を有した摺動スイッチ装置におい
て、前記可動接点を介して固定接点に電気的に接続され
常時可動接点と接続するコモン接点を前記摺動スイッチ
装置が有し、固定接点の端から可動接点の摺動方向に突
出しアーク放電を発生するアーク発生部を前記固定接点
が有し、隣接した固定接点間において可動接点を支持す
る支持突起を前記アーク発生部に並行に設け、前記支持
突起と前記アーク発生部との距離をアーク発生部から発
生するアーク放電が支持突起に達しない程度の距離に設
定するとともに、前記固定接点とスイッチ本体の底面と
の間及び各固定接点間を空間とした摺動スイッチ装置を
提供する。In order to solve the above problems SUMMARY OF THE INVENTION, an invention first according to claim 1, wherein, in the sliding switch device movable contact had slides toward and away from the plurality of fixed contacts, said It is electrically connected to the fixed contact via the movable contact.
The sliding contact is a common contact that is always connected to the movable contact.
Apparatus has, an arc generator for generating a Shi arcing out collision <br/> in the sliding direction of the movable contact from the end of the fixed contact the fixed contact has, supports the movable contact between the fixed contacts adjacent A supporting protrusion is provided in parallel with the arc generating portion, and the distance between the supporting protrusion and the arc generating portion is set to such a distance that arc discharge generated from the arc generating portion does not reach the supporting protrusion, and the fixed contact is provided. And the bottom of the switch body
Provided is a sliding switch device having a space between the fixed contacts and between the fixed contacts .
【0006】また、請求項2記載の発明は、前記アーク
発生部が略半円形状をしている摺動スイッチ装置を提供
する。The invention according to claim 2 provides a sliding switch device in which the arc generating portion has a substantially semicircular shape.
【0007】また、請求項3記載の発明は、前記コモン
接点を前記複数の固定接点に沿って設けた摺動スイッチ
装置を提供する。[0007] The invention of claim 3, wherein provides a sliding switch device provided along the common contact to the plurality of fixed contacts.
【0008】[0008]
【実施例】この発明に係る好適な実施例を、添付図面に
基づき説明する。図面中の1は可動接点、2は固定接
点、3は支持突起、及び4はコモン接点である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A preferred embodiment of the present invention will be described with reference to the accompanying drawings. In the drawing, 1 is a movable contact, 2 is a fixed contact, 3 is a support protrusion, and 4 is a common contact.
【0009】
まず可動接点1は、2つの接触部11,1
2と、可動接点1を固定接点2側に付勢するためのバネ
7を支持するボス13とを有しており、図示しないスイ
ッチノブといった操作機構に装着している。 [0009] First movable contact 1, the two contact portions 11,1
2 and a boss 13 that supports a spring 7 for urging the movable contact 1 toward the fixed contact 2 side, and is attached to an operation mechanism such as a switch knob (not shown).
【0010】
また固定接点2は、上記可動接点1が摺動
して接離する接点である。該固定接点2は、スイッチ本
体5にインサート成形した端子8の一端に形成してお
り、その摺動面23の位置を図4に示すごとくスイッチ
本体5の底面6から例えば距離t=1.5mm離れた位
置に設定している。そして該固定接点2と底面6との間
及び各固定接点2間は空間となっている。また固定接点
2は、端21から可動接点1の摺動方向に突出する略半
円形状をしたアーク発生部22を有している。 The fixed contact 2 is a contact with which the movable contact 1 slides and comes into contact with and separates from the movable contact 1. The fixed contact 2 is formed at one end of a terminal 8 that is insert-molded in the switch body 5, and the position of the sliding surface 23 thereof is, for example, a distance t = 1.5 mm from the bottom surface 6 of the switch body 5 as shown in FIG. It is set in a distant position. A space is provided between the fixed contact 2 and the bottom surface 6 and between the fixed contacts 2. The fixed contact 2 has a substantially semicircular arc generating portion 22 protruding from the end 21 in the sliding direction of the movable contact 1.
【0011】
また支持突起3は、隣接した固定接点2間
において可動接点1を支持する部分であり、スイッチ本
体5とともに合成樹脂によって一体成形している。該支
持突起3は、前記アーク発生部22に並行に設け、該支
持突起3と前記アーク発生部22との距離を図4に示す
ごとくアーク発生部22から発生するアーク放電が支持
突起3に達しない程度の距離、例えばw=0.8mm以
上の距離に設定している。また該支持突起3の摺動面3
1の高さは、固定接点2の摺動面23と面一に設定して
いる。 The support projection 3 is a portion for supporting the movable contact 1 between the adjacent fixed contacts 2, and is integrally formed with the switch body 5 by a synthetic resin. The supporting protrusion 3 is provided in parallel with the arc generating portion 22, and the arc discharge generated from the arc generating portion 22 reaches the supporting protrusion 3 as shown in FIG. 4 for the distance between the supporting protrusion 3 and the arc generating portion 22. The distance is set to such a value that w is not greater than 0.8 mm, for example. Further, the sliding surface 3 of the supporting protrusion 3
The height of 1 is set flush with the sliding surface 23 of the fixed contact 2.
【0012】
またコモン接点4は、可動接点1を介して
固定接点2に電気的に接続する接点であり、前記複数の
固定接点2に沿って設けている。該コモン接点4は、前
記固定接点2と同様にスイッチ本体5にインサート成形
した端子8の一端に形成しており、その摺動面41の高
さは固定接点2の摺動面23と面一に設定している。 The common contact 4 is a contact electrically connected to the fixed contact 2 via the movable contact 1, and is provided along the plurality of fixed contacts 2. Like the fixed contact 2, the common contact 4 is formed at one end of a terminal 8 insert-molded in the switch body 5, and the height of the sliding surface 41 is flush with the sliding surface 23 of the fixed contact 2. Is set to.
【0013】
次に、上記した実施例の作動を説明する。
まずスイッチノブを操作すると、可動接点1の一方の接
触部11は固定接点2の摺動面23上及び支持突起3の
摺動面31上を摺動し、可動接点1の一方の接触部11
が固定接点2に対して接離する。詳述すると、可動接点
1の位置が固定接点2の中間点、すなわち例えば図1に
示すa点にある場合、可動接点1の一方の接触部11は
固定接点2の摺動面23と接触している。この状態から
可動接点1が固定接点2の端21、例えば図1に示すb
点に移動すると、可動接点1の一方の接触部11は固定
接点2のアーク発生部22と支持突起3の両方に接触す
る。更に上記状態から可動接点1が例えば図1に示すc
点に移動すると、可動接点1は支持突起3によって支持
された状態と成る。更に上記状態から可動接点1が例え
ば図1に示すd点に移動すると、可動接点1の一方の接
触部11は支持突起3によって支持されたまま、固定接
点2のアーク発生部22と接触する。 [0013] Next, the operation of the embodiment described above.
First, when the switch knob is operated, the one contact portion 11 of the movable contact 1 slides on the sliding surface 23 of the fixed contact 2 and the sliding surface 31 of the support protrusion 3, and the one contact portion 11 of the movable contact 1 is moved.
Touches and separates from the fixed contact 2. More specifically, when the position of the movable contact 1 is at the midpoint of the fixed contact 2, that is, at the point a shown in FIG. 1, for example, one contact portion 11 of the movable contact 1 contacts the sliding surface 23 of the fixed contact 2. ing. From this state, the movable contact 1 is moved to the end 21 of the fixed contact 2, for example, b shown in FIG.
When moving to a point, one contact portion 11 of the movable contact 1 comes into contact with both the arc generating portion 22 of the fixed contact 2 and the support protrusion 3. Further, from the above state, the movable contact 1 is, for example, c shown in FIG.
When the movable contact 1 is moved to the point, the movable contact 1 is supported by the support protrusion 3. When the movable contact 1 further moves from the above state to, for example, point d shown in FIG.
【0014】
上記のごとく可動接点1の一方の接触部1
1が固定接点2の摺動面23上及び支持突起3の摺動面
31上を摺動するとき、可動接点1の他方の接触部12
はコモン接点4の摺動面41上を摺動する。このとき、
可動接点1の他方の接触部12はコモン接点4と常時接
触している。 As described above, one contact portion 1 of the movable contact 1
When 1 slides on the sliding surface 23 of the fixed contact 2 and the sliding surface 31 of the support protrusion 3, the other contact portion 12 of the movable contact 1
Slides on the sliding surface 41 of the common contact 4. At this time,
The other contact portion 12 of the movable contact 1 is always in contact with the common contact 4.
【0015】
このように、スイッチノブを操作すること
により固定接点2とコモン接点4との接続部位が可動接
点1によって切り替わり、スイッチ動作が行われる。そ
して、可動接点1の一方の接触部11がアーク発生部2
2から離れた瞬間、または接触した瞬間にアーク発生部
22において放電を発生する。 [0015] Thus, the connection portion between the fixed contact 2 and the common contact 4 by operating the switch knob is switched by the movable contact 1, the switch operation is performed. Then, one contact portion 11 of the movable contact 1 is connected to the arc generating portion 2
A discharge is generated in the arc generating unit 22 at the moment of leaving or contacting.
【0016】[0016]
【発明の効果】この発明は、上記した構成及び作用を有
するので、可動接点が固定接点に対して接離する際に発
生するアーク放電により、固定接点との境界線の合成樹
脂が炭化して固定接点間の絶縁性能が劣化するとか、固
定接点の磨耗粉が固定接点間の合成樹脂の表面に付着し
て固定接点間の絶縁性能が劣化するといった問題が発生
しない。Since the present invention has the above-described structure and operation, the synthetic resin on the boundary line between the fixed contact and the fixed contact is carbonized by the arc discharge generated when the movable contact comes in contact with and separated from the fixed contact. There is no problem that the insulation performance between the fixed contacts deteriorates or that the abrasion powder of the fixed contacts adheres to the surface of the synthetic resin between the fixed contacts to deteriorate the insulation performance between the fixed contacts.
【図1】この発明の好適な実施例を示す平面図である。FIG. 1 is a plan view showing a preferred embodiment of the present invention.
【図2】図1に示す矢視A−A線方向の断面図である。FIG. 2 is a cross-sectional view taken along the line AA of the arrow shown in FIG.
【図3】図1に示す矢視B−B線方向の断面図である。FIG. 3 is a cross-sectional view taken along the line BB of FIG.
【図4】図1に示す丸枠C部を拡大した斜視図である。4 is an enlarged perspective view of a round frame C portion shown in FIG. 1. FIG.
1 可動接点 2 固定接点 22 アーク発生部 3 支持突起 6 底面 1 movable contact 2 fixed contacts 22 Arc generator 3 Support protrusion 6 Bottom
フロントページの続き (58)調査した分野(Int.Cl.7,DB名) H01H 1/06 H01H 15/00 Continuation of front page (58) Fields surveyed (Int.Cl. 7 , DB name) H01H 1/06 H01H 15/00
Claims (3)
の固定接点(2)を有した摺動スイッチ装置において、前記可動接点(1)を介して固定接点(2)に電気的に
接続され常時可動接点(1)と接続するコモン接点
(4)を前記摺動スイッチ装置が有し、 固定接点(2)の端(21)から可動接点(1)の摺動
方向に突出しアーク放電を発生するアーク発生部(2
2)を前記固定接点(2)が有し、 隣接した固定接点(2)間において可動接点(1)を支
持する支持突起(3)を前記アーク発生部(22)に並
行に設け、 前記支持突起(3)と前記アーク発生部(22)との距
離をアーク発生部(22)から発生するアーク放電が支
持突起(3)に達しない程度の距離に設定するととも
に、前記固定接点(2)とスイッチ本体(5)の底面
(6)との間及び各固定接点(6)間を空間とした摺動
スイッチ装置。1. A sliding switch device having a plurality of fixed contacts (2) which are brought into contact with and separated from a movable contact (1) , wherein the fixed contact (2) is electrically connected via the movable contact (1). To
Common contact that is connected and always connected to the movable contact (1)
The sliding switch device has (4), and an arc generating part (2) that projects from the end (21) of the fixed contact (2) in the sliding direction of the movable contact (1) and generates arc discharge.
2) is provided in the fixed contact (2), and a supporting protrusion (3) for supporting the movable contact (1) between the adjacent fixed contacts (2) is provided in parallel with the arc generating part (22), The distance between the protrusion (3) and the arc generating portion (22) may be set such that the arc discharge generated from the arc generating portion (22) does not reach the supporting protrusion (3).
On the bottom of the fixed contact (2) and the switch body (5)
A sliding switch device having a space between (6) and each fixed contact (6) .
スイッチ装置。2. The sliding switch device according to claim 1, wherein the arc generating portion (22) has a substantially semicircular shape.
て、前記 コモン接点(4)を前記複数の固定接点(2)に沿
って設けた摺動スイッチ装置。3. The sliding switch device according to claim 1 or 2, wherein the common contact (4) is provided along the plurality of fixed contacts (2).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP32967595A JP3434950B2 (en) | 1995-11-24 | 1995-11-24 | Sliding switch device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP32967595A JP3434950B2 (en) | 1995-11-24 | 1995-11-24 | Sliding switch device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH09147651A JPH09147651A (en) | 1997-06-06 |
JP3434950B2 true JP3434950B2 (en) | 2003-08-11 |
Family
ID=18224019
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP32967595A Expired - Fee Related JP3434950B2 (en) | 1995-11-24 | 1995-11-24 | Sliding switch device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3434950B2 (en) |
-
1995
- 1995-11-24 JP JP32967595A patent/JP3434950B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH09147651A (en) | 1997-06-06 |
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