JP2006120343A - Switch device - Google Patents

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Publication number
JP2006120343A
JP2006120343A JP2004304262A JP2004304262A JP2006120343A JP 2006120343 A JP2006120343 A JP 2006120343A JP 2004304262 A JP2004304262 A JP 2004304262A JP 2004304262 A JP2004304262 A JP 2004304262A JP 2006120343 A JP2006120343 A JP 2006120343A
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Prior art keywords
coil spring
compression coil
movable contact
contact
movable
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Japanese (ja)
Inventor
Takao Ogimoto
隆雄 扇本
Toshiyasu Sakai
代育 坂井
Atsushi Tanaka
淳 田中
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Tokai Rika Co Ltd
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Tokai Rika Co Ltd
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Priority to JP2004304262A priority Critical patent/JP2006120343A/en
Publication of JP2006120343A publication Critical patent/JP2006120343A/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/02—Selector apparatus
    • F16H59/08—Range selector apparatus
    • F16H59/10—Range selector apparatus comprising levers
    • F16H59/105—Range selector apparatus comprising levers consisting of electrical switches or sensors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
    • H01H19/54—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand the operating part having at least five or an unspecified number of operative positions
    • H01H19/56—Angularly-movable actuating part carrying contacts, e.g. drum switch
    • H01H19/58—Angularly-movable actuating part carrying contacts, e.g. drum switch having only axial contact pressure, e.g. disc switch, wafer switch
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/36—Contacts characterised by the manner in which co-operating contacts engage by sliding
    • H01H1/365—Bridging contacts

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide a switch device capable of preventing positional shift of a compression coil spring facing a movable contact, and capable of obtaining a good switching function at all times. <P>SOLUTION: The movable contact 18 is formed by bending a metal plate in U-shape. On two bent pieces 24 of the U-shaped metal plate, a projection for fitting 26, positioning the compression coil spring 19 by fitting therein is integrally formed on a part receiving the compression coil spring 19 energizing the movable contact 18 toward a fixed contact 12 side. By the above, the compression coil spring 19 can be prevented from positional shift in a direction of an arrow mark B1 which is a moving direction of the movable contact 18, and in an arrow mark B2 crossing the arrow mark B1, against the movable contact 18. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明は、平行状態に配置された固定コンタクトに沿って可動コンタクトが摺動することに伴い、隣り合った固定コンタクト間を電気的に導通させる構成のスイッチ装置に関する。   The present invention relates to a switch device configured to electrically connect adjacent fixed contacts as a movable contact slides along fixed contacts arranged in parallel.

この種のスイッチ装置として、例えば特許文献１に示すものが知られている。このものは、自動車の自動変速機用ニュートラルスタートスイッチに適用したものである。自動変速機用ニュートラルスタートスイッチには、「Ｐ（パーキング）」及び「Ｎ（ニュートラル）」のポジションのみでエンジンをスタートさせるためのスイッチ部の他に、「Ｒ（リバース）」のポジションで車体後方のバックランプを点灯させ、「Ｐ」、「Ｒ」、「Ｎ」、「Ｄ（ドライブ）」、「２（セカンド）」、「Ｌ（ロー）」の各ポジションで例えばインストルメントパネルに配設されたインジケータランプを点灯させるためのスイッチ部が設けられている。各スイッチ部は、自動変速機のシフトレバーのポジション操作によって選択されるようになっている。   As this type of switch device, for example, the one shown in Patent Document 1 is known. This is applied to a neutral start switch for an automatic transmission of an automobile. The neutral start switch for automatic transmissions has a switch part for starting the engine only in the "P (parking)" and "N (neutral)" positions, and in the "R (reverse)" position The back lamp is turned on and placed on the instrument panel, for example, at each position of “P”, “R”, “N”, “D (drive)”, “2 (second)”, “L (low)” A switch unit for turning on the indicator lamp is provided. Each switch part is selected by the position operation of the shift lever of the automatic transmission.

この種のスイッチ装置の可動コンタクトは、図７に示すような構成となっている。すなわち、可動コンタクト１は、上部が開口したばね受け用凹部２を有したほぼコ字形をなしていて、図示しない可動体に取り付けられている。ばね受け用凹部２と可動体との間には圧縮コイルばね３が配設されていて、この圧縮コイルばね３により、可動コンタクト１がステータ４側に付勢されている。ステータ４には、可動体ひいては可動コンタクト１の移動方向である矢印Ａ１方向に沿って、平行状態に複数個の固定コンタクト５が設けられている。
上記構成において、図示しないシフトレバーの操作に基づき、可動体が矢印Ａ１方向に移動されると、可動コンタクト１も同矢印Ａ１方向へ摺動し、この可動コンタクト１が、平行状態に隣り合った固定コンタクト５，５に接離することでスイッチ部が動作する。
実公平６−４８７０８号公報（図１，４，５） The movable contact of this type of switch device is configured as shown in FIG. That is, the movable contact 1 has a substantially U-shape having a spring receiving recess 2 having an upper opening, and is attached to a movable body (not shown). A compression coil spring 3 is disposed between the spring receiving recess 2 and the movable body, and the movable contact 1 is biased toward the stator 4 by the compression coil spring 3. The stator 4 is provided with a plurality of fixed contacts 5 in a parallel state along the direction of the arrow A <b> 1 that is the moving direction of the movable body and thus the movable contact 1.
In the above configuration, when the movable body is moved in the arrow A1 direction based on the operation of a shift lever (not shown), the movable contact 1 also slides in the arrow A1 direction, and the movable contact 1 is adjacent to the parallel state. The switch part operates by making contact with and separating from the fixed contacts 5 and 5.
Japanese Utility Model Publication No. 6-48708 (FIGS. 1, 4 and 5)

上記した従来構成のものでは、組み付け時や、可動コンタクト１の移動時、或いは振動などにより、可動コンタクト１におけるばね受け用凹部２に対する圧縮コイルばね３の位置が、上記矢印Ａ１方向やこれと交差する矢印Ａ２方向へずれることがある（図８のａ参照）。すると、平行する２箇所の固定コンタクト５，５に対する可動コンタクト１の接触力ｆ１、ｆ２がアンバランスとなり、接触抵抗が増大したりして良好なスイッチ機能が得られなくおそれがある。   In the conventional configuration described above, the position of the compression coil spring 3 with respect to the spring receiving recess 2 in the movable contact 1 crosses the direction of the arrow A1 or the like due to assembly, movement of the movable contact 1 or vibration. May be displaced in the direction of arrow A2 (see a in FIG. 8). Then, the contact forces f1 and f2 of the movable contact 1 with respect to the two fixed contacts 5 and 5 in parallel are unbalanced, and there is a possibility that a good switch function cannot be obtained due to an increase in contact resistance.

本発明は上記事情に鑑みてなされたものであり、その目的は、可動コンタクトに対する圧縮コイルばねの位置がずれることを防止でき、常に良好なスイッチ機能を得ることが可能なスイッチ装置を提供するにある。   The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a switch device that can prevent the position of the compression coil spring from shifting with respect to the movable contact and can always obtain a good switch function. is there.

上記の目的を達成するために、本発明は、可動体の移動方向に沿って平行状態に配置された複数個の固定コンタクトと、前記可動体に圧縮コイルばねにより前記固定コンタクト側へ付勢して設けられ、前記可動体の移動に伴い前記固定コンタクトに沿って摺動し、平行状態に隣り合った前記固定コンタクトに対して接離する可動コンタクトとを備えたスイッチ装置において、
前記可動コンタクトは金属板をＵ字状に折り曲げて構成すると共に、その折り曲げられた２枚の折曲げ片において前記圧縮コイルばねを受ける部位に、前記圧縮コイルばねに嵌合して当該圧縮コイルばねの位置決めをする嵌合凸部を一体に設けたことを特徴とする。 In order to achieve the above object, the present invention provides a plurality of fixed contacts arranged in parallel along the moving direction of the movable body, and urges the movable body toward the fixed contact side by a compression coil spring. Provided with a movable contact that slides along the fixed contact with the movement of the movable body and contacts and separates the fixed contact adjacent to each other in a parallel state,
The movable contact is formed by bending a metal plate in a U-shape, and the compression coil spring is fitted into the compression coil spring at a portion that receives the compression coil spring in the two bent pieces. The fitting convex part which positions this is provided integrally.

本発明によれば、可動コンタクトにおいて圧縮コイルばねを受ける部位に、圧縮コイルばねに嵌合して当該圧縮コイルばねの位置決めをする嵌合凸部を一体に設けているので、可動コンタクトに対する圧縮コイルばねの位置がずれることを防止できる。このため、固定コンタクトに対する可動コンタクトの接触力のバランスが崩れ難くなり、常に良好なスイッチ機能を得ることが可能となる。   According to the present invention, the portion of the movable contact that receives the compression coil spring is integrally provided with the fitting convex portion that fits the compression coil spring and positions the compression coil spring. The position of the spring can be prevented from shifting. For this reason, the balance of the contact force of the movable contact with respect to the fixed contact is not easily lost, and it is possible to always obtain a good switching function.

以下、本発明を自動変速機用ニュートラルスタートスイッチに適用した第１実施例について、図１ないし図４を参照して説明する。まず、全体の分解斜視図を示す図３において、ベースとなるステータ１１は全体として扇形をなしていて、一面に複数の固定コンタクト１２を有すると共に、扇形の中心部に円形の軸挿通孔１３を有している。固定コンタクト１２は、軸挿通孔１３を中心とした同心円上に沿うようにして、径方向に４段となるように配置されている。したがって、４段の固定コンタクト１２は、平行状態に配置されている。
可動体１５は、一端部に円筒状をなす軸部１６を有していると共に、この軸部１６から径方向に延びるアーム部１７を有していて、このアーム部１７に、２組の可動コンタクト１８及び圧縮コイルばね１９を備えている。カバー２０は、全体として扇形をなしていて、扇形の中心部に円形の軸挿通孔２１を有している。 Hereinafter, a first embodiment in which the present invention is applied to a neutral start switch for an automatic transmission will be described with reference to FIGS. First, in FIG. 3 showing the entire exploded perspective view, the stator 11 as a base has a sector shape as a whole, and has a plurality of fixed contacts 12 on one surface and a circular shaft insertion hole 13 in the central portion of the sector shape. Have. The fixed contacts 12 are arranged so as to have four steps in the radial direction along a concentric circle centered on the shaft insertion hole 13. Therefore, the four stages of fixed contacts 12 are arranged in parallel.
The movable body 15 has a cylindrical shaft portion 16 at one end portion and an arm portion 17 extending in a radial direction from the shaft portion 16, and the arm portion 17 has two sets of movable portions. A contact 18 and a compression coil spring 19 are provided. The cover 20 has a sector shape as a whole, and has a circular shaft insertion hole 21 at the center of the sector shape.

図４に示すように、可動体１５は、可動コンタクト１８を固定コンタクト１２に対向するように位置させた状態で、軸部１６の一端部をステータ１１の軸挿通孔１３に挿入することにより、ステータ１１上に回動可能に配置される。そして、その可動体１５を覆うようにして、ステータ１１の上にカバー２０を被せ、可動体１５の軸部１６の他端部をカバー２０の軸挿通孔２１に相対的に挿入させ、カバー２０をステータ１１に連結固定する。
このとき、２組の各可動コンタクト１８は、圧縮コイルばね１９の付勢力により固定コンタクト１２側に付勢されている。また、各可動コンタクト１８は、４段の固定コンタクト１２のうち、隣り合った２段の固定コンタクト１２に跨るように配置されている。 As shown in FIG. 4, the movable body 15 is configured by inserting one end portion of the shaft portion 16 into the shaft insertion hole 13 of the stator 11 with the movable contact 18 positioned so as to face the fixed contact 12. The stator 11 is rotatably arranged. Then, the cover 20 is covered on the stator 11 so as to cover the movable body 15, and the other end portion of the shaft portion 16 of the movable body 15 is relatively inserted into the shaft insertion hole 21 of the cover 20. Are connected and fixed to the stator 11.
At this time, the two sets of movable contacts 18 are biased toward the fixed contact 12 by the biasing force of the compression coil spring 19. Each movable contact 18 is arranged so as to straddle two adjacent fixed contacts 12 among the four fixed contacts 12.

ここで、可動コンタクト１８について、図１及び図２も参照して説明する。なお、２組の可動コンタクト１８は同一構成であるので、一方の可動コンタクト１８について説明する。可動コンタクト１８は、プレス加工により金属板をＵ字状に折り曲げて構成されている。その折り曲げられた２枚の折曲げ片２４には、上部が開口したコ字形のばね受け用凹部２５が形成されていると共に、そのばね受け用凹部２５の底部の中央部に、上方へ突出する嵌合凸部２６が突設されている。各嵌合凸部２６は円弧状をなしていて、対応する圧縮コイルばね１９の内側に嵌合している。これにより、可動コンタクト１８に対する圧縮コイルばね１９の位置決めをしている。   Here, the movable contact 18 will be described with reference to FIGS. Since the two sets of movable contacts 18 have the same configuration, only one movable contact 18 will be described. The movable contact 18 is configured by bending a metal plate into a U shape by pressing. The two bent pieces 24 are formed with a U-shaped spring receiving recess 25 having an open top and projecting upward at the center of the bottom of the spring receiving recess 25. The fitting convex part 26 is protrudingly provided. Each fitting projection 26 has an arc shape and is fitted inside the corresponding compression coil spring 19. Thereby, the compression coil spring 19 is positioned with respect to the movable contact 18.

上記構成において、図示しないシフトレバーがシフト操作されると、可動体１５が軸部１６を中心にして矢印Ｂ１方向へ回動（移動）される。これに伴い、可動コンタクト１８が、対応する固定コンタクト１２に沿って同矢印Ｂ１方向へ摺動し、対応する固定コンタクト１２に対して接離する。これにより、「Ｐ」、「Ｒ」、「Ｎ」、「Ｄ」、「２」、「Ｌ」の各位置で、スイッチ部の固定コンタクト１２間の導通状態が切り替わるようになる。   In the above configuration, when a shift lever (not shown) is shifted, the movable body 15 is rotated (moved) in the direction of the arrow B1 about the shaft portion 16. Along with this, the movable contact 18 slides in the direction of the arrow B1 along the corresponding fixed contact 12 and comes in contact with and separates from the corresponding fixed contact 12. As a result, the conductive state between the fixed contacts 12 of the switch unit is switched at the positions “P”, “R”, “N”, “D”, “2”, and “L”.

上記した実施例においては、可動コンタクト１８において圧縮コイルばね１９を受ける部位に、圧縮コイルばね１９に嵌合して当該圧縮コイルばね１９の位置決めをする嵌合凸部２６を一体に設けているので、可動コンタクト１８に対して圧縮コイルばね１９は、可動コンタクト１８の移動方向である矢印Ｂ１方向、およびこれと交差する矢印Ｂ２方向へ位置がずれることが防止できる。このため、固定コンタクト１２に対する可動コンタクト１８の接触力のバランスが崩れ難くなり、常に良好なスイッチ機能を得ることが可能となる。
この場合、特に、嵌合凸部２６は円弧状をなしているので、圧縮コイルばね１９と嵌合し易い利点がある。 In the above-described embodiment, the fitting protrusion 26 that fits the compression coil spring 19 and positions the compression coil spring 19 is integrally provided at a portion of the movable contact 18 that receives the compression coil spring 19. The position of the compression coil spring 19 relative to the movable contact 18 can be prevented from shifting in the arrow B1 direction, which is the moving direction of the movable contact 18, and in the arrow B2 direction intersecting therewith. For this reason, the balance of the contact force of the movable contact 18 with respect to the fixed contact 12 is not easily lost, and it is possible to always obtain a good switching function.
In this case, in particular, since the fitting convex portion 26 has an arc shape, there is an advantage that it can be easily fitted to the compression coil spring 19.

図５及び図６は本発明の第２実施例を示したものであり、この第２実施例は上記した第１実施例とは次の点が異なっている。すなわち、可動コンタクト１８の各折曲げ片２４における嵌合凸部３０は、円弧状ではなく、折曲げ片２４に沿った直線状に形成されている。そして、これら嵌合凸部３０も、圧縮コイルばね１９の内側に嵌合するようになっている。
このような構成とした第２実施例においても、第１実施例と同様な作用効果を得ることができる。 5 and 6 show a second embodiment of the present invention. This second embodiment is different from the first embodiment described above in the following points. That is, the fitting convex part 30 in each bending piece 24 of the movable contact 18 is not formed in an arc shape but is formed in a straight line along the bending piece 24. These fitting projections 30 are also fitted inside the compression coil spring 19.
Also in the second embodiment having such a configuration, it is possible to obtain the same operational effects as in the first embodiment.

本発明は、上記した各実施例にのみ限定されるものではなく、次のように変形または拡張できる。
可動体１５及び可動コンタクト１８の移動は、軸部１６を中心とした回動に限られず、直線移動であっても良い。
本発明は、自動変速機用ニュートラルスタートスイッチに限られず、他のスイッチ装置にも適用することができる。 The present invention is not limited to the embodiments described above, and can be modified or expanded as follows.
The movement of the movable body 15 and the movable contact 18 is not limited to the rotation around the shaft portion 16, and may be a linear movement.
The present invention is not limited to a neutral start switch for an automatic transmission, and can be applied to other switch devices.

本発明の第１実施例を示す要部の斜視図The perspective view of the principal part which shows 1st Example of this invention. 要部の平面図Plan view of main parts 分解斜視図Exploded perspective view 組み付け状態での縦断側面図Longitudinal side view in assembled state 本発明の第２実施例を示す図１相当図FIG. 1 equivalent view showing a second embodiment of the present invention. 図２相当図2 equivalent diagram 従来例を示す図１相当図1 equivalent diagram showing a conventional example 縦断側面図Longitudinal side view

符号の説明Explanation of symbols

図面中、１１はステータ、１２は固定コンタクト、１５は可動体、１６は軸部、１８は可動コンタクト、１９は圧縮コイルばね、２４は折曲げ片、２５はばね受け用凹部、２６は嵌合凸部、３０は嵌合凸部を示す。   In the drawings, 11 is a stator, 12 is a fixed contact, 15 is a movable body, 16 is a shaft, 18 is a movable contact, 19 is a compression coil spring, 24 is a bent piece, 25 is a recess for receiving a spring, and 26 is a fitting. A convex part and 30 are fitting convex parts.

Claims (1)

可動体の移動方向に沿って平行状態に配置された複数個の固定コンタクトと、
前記可動体に圧縮コイルばねにより前記固定コンタクト側へ付勢して設けられ、前記可動体の移動に伴い前記固定コンタクトに沿って摺動し、平行状態に隣り合った前記固定コンタクトに対して接離する可動コンタクトとを備えたスイッチ装置において、
前記可動コンタクトは金属板をＵ字状に折り曲げて構成すると共に、その折り曲げられた２枚の折曲げ片において前記圧縮コイルばねを受ける部位に、前記圧縮コイルばねに嵌合して当該圧縮コイルばねの位置決めをする嵌合凸部を一体に設けたことを特徴とするスイッチ装置。

A plurality of fixed contacts arranged in parallel along the moving direction of the movable body;
The movable body is provided by being biased toward the fixed contact by a compression coil spring, slides along the fixed contact as the movable body moves, and contacts the fixed contacts adjacent to each other in a parallel state. In a switch device having a movable contact to be separated,
The movable contact is formed by bending a metal plate in a U-shape, and the compression coil spring is fitted into the compression coil spring at a portion that receives the compression coil spring in the two bent pieces. A switch device characterized in that a fitting convex portion for positioning is integrally provided.

JP2004304262A 2004-10-19 2004-10-19 Switch device Pending JP2006120343A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101230922B (en) * 2007-01-26 2011-08-10 松下电工株式会社 Automatic transmission switcher
JP2015026591A (en) * 2013-07-29 2015-02-05 株式会社ヴァレオジャパン Movable contact for switch
KR101514720B1 (en) * 2013-08-29 2015-04-24 주식회사 현대케피코 Inhibitor switch

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101230922B (en) * 2007-01-26 2011-08-10 松下电工株式会社 Automatic transmission switcher
US8546710B2 (en) 2007-01-26 2013-10-01 Panasonic Corporation Automatic transmission switch
JP2015026591A (en) * 2013-07-29 2015-02-05 株式会社ヴァレオジャパン Movable contact for switch
EP2833384A3 (en) * 2013-07-29 2015-03-11 Valeo Japan Co., Ltd. Movable contact point for switch
KR101514720B1 (en) * 2013-08-29 2015-04-24 주식회사 현대케피코 Inhibitor switch

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