JP2000343976A - Detent spring roller of automatic transmission - Google Patents
Detent spring roller of automatic transmissionInfo
- Publication number
- JP2000343976A JP2000343976A JP11158984A JP15898499A JP2000343976A JP 2000343976 A JP2000343976 A JP 2000343976A JP 11158984 A JP11158984 A JP 11158984A JP 15898499 A JP15898499 A JP 15898499A JP 2000343976 A JP2000343976 A JP 2000343976A
- Authority
- JP
- Japan
- Prior art keywords
- roller body
- synthetic resin
- detent spring
- inner roller
- hardness
- 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.)
- Granted
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
Landscapes
- Arrangement Or Mounting Of Control Devices For Change-Speed Gearing (AREA)
- Gear-Shifting Mechanisms (AREA)
- Rolls And Other Rotary Bodies (AREA)
- Control Of Transmission Device (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、自動変速機のシ
フトレバーに連動して回動するディテントプレートの外
周に形成されてなる歯状の切り欠きと弾接係合し、上記
シフトレバーの運転モードセレクト操作に節度感を付与
する自動変速機のディテントスプリングローラの構造に
関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the operation of a shift lever which is elastically engaged with a toothed notch formed on an outer periphery of a detent plate which rotates in conjunction with a shift lever of an automatic transmission. The present invention relates to a structure of a detent spring roller of an automatic transmission that gives moderation to a mode select operation.
【０００２】[0002]
【従来の技術】周知のように、オートマチック車両に搭
載されている自動変速機のシフトレバーには、該シフト
レバーに連動して回動するディテントプレートが配設さ
れており、該ディテントプレートの外周には歯状の切り
欠きが複数連続して形成され、該切り欠きには、一端部
が変速機ケース側に片持ち梁状に支持されてなるディテ
ントスプリングのローラが順次弾接係合して、上記シフ
トレバーの運転モードセレクト操作に節度感が付与され
るように構成されているのが一般的である（例えば、特
開平８−２４７２６８号）。2. Description of the Related Art As is well known, a shift lever of an automatic transmission mounted on an automatic vehicle is provided with a detent plate which rotates in conjunction with the shift lever. A plurality of teeth-shaped notches are formed continuously in the notches, and the rollers of a detent spring, one end of which is supported in a cantilever shape on the transmission case side, are successively elastically engaged with the notches. Generally, the operation mode select operation of the shift lever is configured to give a sense of moderation (for example, Japanese Patent Laid-Open No. 8-247268).
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、上記従
来のディテントスプリングのローラは、金属材料若しく
は硬質の合成樹脂だけで形成されていることから、運転
モードセレクト操作に節度感を付与することはできて
も、上記ローラがディテントプレートの切り欠きを乗り
越える度に打音が発生して煩く、走行環境が損なわれる
等の課題を有していた。However, since the roller of the above-mentioned conventional detent spring is formed only of a metal material or a hard synthetic resin, a moderation feeling can be given to the operation mode selection operation. However, each time the roller gets over the notch of the detent plate, it has a problem that a tapping sound is generated and troublesome, and a running environment is impaired.
【０００４】この発明は、かかる現状に鑑み創案された
ものであって、その目的とするところは、運転モードセ
レクト操作の節度感が得られることは勿論、操作時にお
ける打音も消すことができる自動変速機のディテントス
プリングローラを提供しようとするものである。[0004] The present invention has been made in view of the above situation, and its object is to provide not only a moderation feeling of the operation mode selection operation but also to eliminate the tapping sound during the operation. An object is to provide a detent spring roller for an automatic transmission.
【０００５】[0005]
【課題を解決するための手段】上記目的を達成するた
め、この発明にあっては、自動変速機のシフトレバーに
連動して回動するディテントプレートの外周に形成され
てなる歯状の切り欠きと弾接係合し、上記シフトレバー
の運転モードセレクト操作に節度感を付与するディテン
トスプリングのローラを、上記ディテントスプリング先
端のヨーク間に架設されたロ−ラピンに回転自在に軸支
される内ローラ体と、該内ローラ体の外周面に密着され
る外ローラ体と、で構成し、上記内ローラ体を摩擦係数
が低く硬度が高い合成樹脂で形成すると共に、上記外ロ
ーラ体を摩擦係数が高く硬度が低い合成樹脂とで形成し
たことを特徴とするものである。In order to achieve the above object, according to the present invention, there is provided a toothed notch formed on an outer periphery of a detent plate which rotates in conjunction with a shift lever of an automatic transmission. The roller of the detent spring which elastically engages with the shift lever and gives a sense of moderation to the operation mode selection operation of the shift lever is rotatably supported by a roller pin provided between the yokes at the tip of the detent spring. A roller body and an outer roller body that is in close contact with the outer peripheral surface of the inner roller body. The inner roller body is formed of a synthetic resin having a low coefficient of friction and high hardness, and the outer roller body is formed of a coefficient of friction. And a synthetic resin having high hardness and low hardness.
【０００６】この発明にあっては、上記内ローラ体を、
上記ディテントプレートの切り欠きと当接する部位を円
筒状に形成することで、ローラの滑らかな回転と安定し
た当たりを得ることができるように構成すると共に、該
円筒状部位の両端部には、周方向に沿って所要間隔毎に
略楔状の食込み片部を形成することで、内ローラ体と外
ローラ体のより強固な一体性を得るように構成するのが
望ましい。According to the present invention, the inner roller body is
By forming the portion in contact with the notch of the detent plate into a cylindrical shape, a smooth rotation of the roller and a stable contact can be obtained, and both ends of the cylindrical portion have peripheral portions. It is desirable to form a substantially wedge-shaped biting piece portion at required intervals along the direction so as to obtain stronger integration between the inner roller body and the outer roller body.
【０００７】また、この発明のローラに用いられる材質
としては、内ローラ体は、硬度がロックウエル／Ｒスケ
ールで８０以上、摩擦特性が動摩擦係数／対スチールで
０．５以下の合成樹脂、例えば、ポリカーボネイト（Ｐ
Ｃ），ポリスチレン（ＰＳ）[ハイインパクト（高耐衝
撃グレードな）ポリスチレン（ＨＩＰＳ）を含む]，ア
クリル ニトリル ブタジエン スチレン共重合体（Ａ
ＢＳ），ポリフェニレンオキサイド（変性ＰＰＯ），ポ
リプロピレン（ＰＰ），ポリアミド（ＰＡ），ポリエチ
レンテレフタレート（ＰＥＴ），ポリブチレンテレフタ
レート（ＰＢＴ），ポリアセタール（ＰＯＭ）等のいず
れかの合成樹脂を用いることができ、また、外ローラ体
としては、硬度がシェアＡにて９９以下、又は、シェア
Ｄにて６０以下で、摩擦特性が動摩擦係数／対スチール
で０．５以上の合成樹脂を用いることができ、例えば、
内ローラ体が上記ＰＣの場合にはポリスチレン系熱可塑
性エラストマー（ＴＰＳ）またはポリウレタン系熱可塑
性エラストマー（ＴＰＵ）を、内ローラ体がＰＳの場合
には上記ＴＰＳを、内ローラ体がＡＢＳの場合には上記
ＴＰＳまたはＴＰＵを、内ローラ体が変性ＰＰＯの場合
には上記ＴＰＳを、内ローラ体がＰＰの場合にはポリオ
レフィン系熱可塑性エラストマー（ＴＰＯ）またはＴＰ
Ｓを、内ローラ体がＰＡの場合には軟質ポリアミド（軟
質ＰＡ），ポリアミド系熱可塑性エラストマー（ＴＰＡ
Ｅ）またはＴＰＵを、内ローラ体がＰＥＴまたはＰＢＴ
の場合にはポリエステル系熱可塑性エラストマー（ＴＰ
ＥＥ），ＴＰＳまたはＴＰＵを、内ローラ体がＰＯＭの
場合には軟質ＰＯＭを用いるのが望ましい。As the material used for the roller of the present invention, the inner roller body is made of a synthetic resin having a hardness of 80 or more on a Rockwell / R scale and a friction characteristic of 0.5 or less on a kinetic friction coefficient / steel basis, for example, Polycarbonate (P
C), polystyrene (PS) [including high-impact (high-impact grade) polystyrene (HIPS)], acrylic nitrile butadiene styrene copolymer (A
Any of synthetic resins such as BS), polyphenylene oxide (modified PPO), polypropylene (PP), polyamide (PA), polyethylene terephthalate (PET), polybutylene terephthalate (PBT), and polyacetal (POM) can be used. Further, as the outer roller body, a synthetic resin having a hardness of 99 or less in shear A or 60 or less in shear D, and a friction characteristic of dynamic friction coefficient / to steel of 0.5 or more can be used. ,
The polystyrene-based thermoplastic elastomer (TPS) or polyurethane-based thermoplastic elastomer (TPU) when the inner roller body is the PC, the TPS when the inner roller body is PS, and the TPS when the inner roller body is ABS. Refers to the TPS or TPU, the TPS when the inner roller body is a modified PPO, and the polyolefin thermoplastic elastomer (TPO) or TP when the inner roller body is PP.
S is a soft polyamide (soft PA) or a polyamide thermoplastic elastomer (TPA) when the inner roller body is PA.
E) or TPU, the inner roller body is PET or PBT
In the case of polyester thermoplastic elastomer (TP
EE), TPS or TPU, and when the inner roller body is POM, it is preferable to use soft POM.
【０００８】尚、この発明にあっては、内ローラ体と外
ローラ体の硬度及び耐磨耗性を調整する場合には、上記
選択された合成樹脂にガラス繊維やカーボン繊維、シリ
カ或はこれらと同種の材料を混合させて調整することが
できる。また、摩擦係数を低減させるには、例えば、潤
滑剤・油類、フッ素樹脂、セラミック樹脂等を配合し、
或は、チタン酸カリウム繊維を配合し、または、含油樹
脂や潤滑剤を配合することもできる。According to the present invention, when adjusting the hardness and abrasion resistance of the inner roller body and the outer roller body, glass fibers, carbon fibers, silica, or a mixture thereof may be added to the selected synthetic resin. And the same kind of material can be mixed and adjusted. Also, to reduce the friction coefficient, for example, blending lubricants and oils, fluorine resin, ceramic resin, etc.
Alternatively, a potassium titanate fiber may be blended, or an oil-containing resin or a lubricant may be blended.
【０００９】[0009]
【発明の実施の形態】以下、添付図面に示す実施の一形
態例に基づきこの発明を詳細に説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to an embodiment shown in the accompanying drawings.
【００１０】図１と図２に示すように、この形態例に係
るディテントスプリング１は、例えば、センターコンソ
ール２に配設された自動変速機のシフトレバー３に連動
して回動するディテントプレート４の外周に形成されて
なる歯状の切り欠き５と弾接係合し、上記シフトレバー
３の運転モードセレクト操作に節度感を付与するもの
で、該ディテントスプリング１は、一端部が変速機ケー
ス６側に片持ち梁状にねじ止め固定されている。As shown in FIGS. 1 and 2, a detent spring 1 according to this embodiment includes, for example, a detent plate 4 which rotates in conjunction with a shift lever 3 of an automatic transmission provided on a center console 2. The detent spring 1 elastically engages with the toothed notch 5 formed on the outer periphery of the shift lever 3 to give a sense of moderation to the operation mode selection operation of the shift lever 3. One end of the detent spring 1 has a transmission case. It is screwed and fixed in a cantilever shape on the 6 side.
【００１１】即ち、上記ディテントスプリング１は、板
バネ材で形成された帯状の本体１Ａと、該本体１Ａの一
端部一辺部から直角に立ち上がり形成された固定座部１
Ｂと、上記本体１Ａの他端部に二股状に分枝形成された
ヨーク１Ｃ，１Ｃと、これらヨーク１Ｃ，１Ｃに両端部
が巻き込み固定されたローラピン１Ｄと、から構成さ
れ、本形態例に係るローラ１０は、図６と図７に示すよ
うに、上記ディテントスプリング１先端の二股状のヨー
ク１Ｃ，１Ｃ間に架設されたロ−ラピン１Ｄに回転自在
に軸支される内ローラ体１１と、該内ローラ体１１の外
周面に密着される外ローラ体２０と、で構成されてい
る。That is, the detent spring 1 comprises a band-shaped main body 1A made of a leaf spring material, and a fixed seat portion 1 which is formed to rise at right angles from one side of one end of the main body 1A.
B, two yokes 1C, 1C branchingly formed at the other end of the main body 1A, and a roller pin 1D having both ends wrapped around and fixed to the yokes 1C, 1C. As shown in FIGS. 6 and 7, the roller 10 includes an inner roller body 11 rotatably supported by a roller pin 1D provided between two forked yokes 1C, 1C at the tip of the detent spring 1. And an outer roller body 20 which is in close contact with the outer peripheral surface of the inner roller body 11.
【００１２】内ローラ体１１は、図８乃至図１０に示す
ように、上記ローラピン１Ｄが回転自在に挿通される軸
孔１２が開設されてなる本体１３と、上記ディテントプ
レート４の切り欠き５と当接する円筒状部１４と、該円
筒状部１４の両端部周方向に沿って所要間隔毎に形成さ
れた複数条の略楔状食込み片部１５と、から構成されて
いる。As shown in FIGS. 8 to 10, the inner roller body 11 includes a main body 13 having a shaft hole 12 through which the roller pin 1D is rotatably inserted, a notch 5 of the detent plate 4, It is composed of a cylindrical portion 14 in contact and a plurality of substantially wedge-shaped biting pieces 15 formed at required intervals along the circumferential direction at both ends of the cylindrical portion 14.
【００１３】このような構成からなる上記内ローラ体１
１は、例えば、内ローラ体は、硬度がロックウエル／Ｒ
スケール（測定法：ＡＳＴＭ Ｄ７８５）で８０以上、
摩擦特性が動摩擦係数／対スチール（測定法：ＡＳＴＭ
Ｄ１８９４）で０．５以下の合成樹脂を用いることが
できる。The above-mentioned inner roller body 1 having such a configuration
1 is, for example, the inner roller body has a hardness of Rockwell / R
80 or more on a scale (measurement method: ASTM D785),
Friction characteristics are dynamic friction coefficient / steel (measurement method: ASTM
D1894), a synthetic resin of 0.5 or less can be used.
【００１４】特に、本形態例では、硬度がロックウエル
／Ｒスケールで１２０、摩擦特性が動摩擦係数／対スチ
ールで０．３のＰＣを用いたが、この他の合成樹脂とし
ては、ＰＳ（ＨＩＰＳを含む），ＡＢＳ，変性ＰＰＯ，
ＰＰ，ＰＡ，ＰＥＴ，ＰＢＴ，ＰＯＭ等のいずれかの合
成樹脂を用いることもできる。In particular, in this embodiment, PC having a hardness of 120 on Rockwell / R scale and a frictional property of kinetic friction coefficient / 0.3 against steel was used. However, as another synthetic resin, PS (HIPS is used). ABS), modified PPO,
Any of synthetic resins such as PP, PA, PET, PBT, and POM can be used.
【００１５】また、上記内ローラ体の外周面に密着され
る外ローラ体２０は、内ローラ体１１に融着されたとき
に、その外周面が、ゲート跡やバリ、傷等がない平滑な
円筒面を形成するように構成されており、その使用材質
も、硬度がシェアＡ（測定法：ＡＳＴＭ Ｄ２２４０）
にて９９以下、又は、シェアＤにて６０以下で、摩擦特
性が動摩擦係数／対スチールで０．５以上の合成樹脂を
用いるのが望ましい。本形態例では、内ローラ体で用い
たＰＣと融着性がよく、硬度がシェアＡにて９０Ａ±１
０、摩擦特性が動摩擦係数／対スチールで０．８のＴＰ
Ｕを用いた。Further, when the outer roller body 20 is brought into close contact with the outer peripheral surface of the inner roller body, when the outer roller body 20 is fused to the inner roller body 11, the outer peripheral surface thereof is smooth without gate marks, burrs, scratches, etc. It is configured so as to form a cylindrical surface, and its used material has a hardness of shear A (measurement method: ASTM D2240).
It is desirable to use a synthetic resin having a friction coefficient of not more than 99 or a share D of not more than 60 and a friction characteristic of not less than 0.5 in terms of kinetic friction coefficient / steel. In this embodiment, the adhesiveness with the PC used for the inner roller body is good, and the hardness is 90 A ± 1 at a shear A.
0, TP of friction characteristic is 0.8 of dynamic friction coefficient / steel
U was used.
【００１６】勿論、この発明では、上記形態例に限定さ
れるものではなく、例えば、内ローラ体が上記ＰＣの場
合にはＴＰＳを用いることができる。また、内ローラ体
がＰＳの場合には上記ＴＰＳを、内ローラ体がＡＢＳの
場合には上記ＴＰＳまたはＴＰＵを、内ローラ体が変性
ＰＰＯの場合には上記ＴＰＳを、内ローラ体がＰＰの場
合にはＴＰＯまたはＴＰＳを、内ローラ体がＰＡの場合
には軟質ＰＡ，ＴＰＡＥまたはＴＰＵを、内ローラ体が
ＰＥＴまたはＰＢＴの場合にはＴＰＥＥ，ＴＰＳまたは
ＴＰＵを、内ローラ体がＰＯＭの場合には軟質ＰＯＭを
用いることもできる。Of course, the present invention is not limited to the above embodiment, and for example, when the inner roller body is the PC, TPS can be used. When the inner roller body is PS, the TPS is used. When the inner roller body is ABS, the TPS or TPU is used. When the inner roller body is a modified PPO, the TPS is used. In this case, TPO or TPS is used. When the inner roller body is PA, soft PA, TPAE or TPU is used. When the inner roller body is PET or PBT, TPEE, TPS or TPU is used. When the inner roller body is POM. , A soft POM can also be used.
【００１７】このように構成されたローラ１０は、内ロ
ーラ体１１に外ロ−ラ体２０の材料を二色成形或はアウ
トサート成形で製造される。The roller 10 thus constructed is manufactured by two-color molding or outsert molding of the material of the outer roller body 20 on the inner roller body 11.
【００１８】この形態例に係るローラ１０は、以上のよ
うに、内側を摩擦係数が低く硬度が高い合成樹脂で形成
したので、ディテントプレート４の外周に形成されてな
る歯状の切り欠き５の凹凸に沿って該ロ−ラ１０を滑ら
かに回転させることができ、その結果、経時使用しても
磨耗が少なく耐久性に富み、しかも、外側は摩擦係数が
高く硬度が低い合成樹脂で形成されているので、ローラ
１０の移動時におけるディテントプレート４の凹凸部と
節度感を得つつ、該ローラ１０と凹凸部との衝合により
発生する打音を有効に緩衝することができる。As described above, the roller 10 according to this embodiment is formed of a synthetic resin having a low friction coefficient and a high hardness on the inner side, so that the tooth-shaped notch 5 formed on the outer periphery of the detent plate 4 is formed. The roller 10 can be smoothly rotated along irregularities. As a result, even when used over time, there is little wear and the durability is high, and the outside is made of a synthetic resin having a high coefficient of friction and a low hardness. Therefore, it is possible to effectively buffer the striking sound generated by the abutment between the roller 10 and the uneven portion while obtaining a sense of moderation with the uneven portion of the detent plate 4 when the roller 10 moves.
【００１９】また、上記形態例に係るローラ１０の内ロ
ーラ体１１は、上記ディテントプレート４の切り欠き５
と当接する部位１４を円筒状に形成しているので、ロー
ラ１０全体の回転を円滑に保持することができると共
に、該円筒状部１４の両端部周方向に沿って所要間隔毎
に複数条の略楔状食込み片部１５を形成したので、外ロ
ーラ体２０との密着性を高め、製品としての一体性を得
ることができる。The inner roller body 11 of the roller 10 according to the above-described embodiment is provided with the notch 5 of the detent plate 4.
Is formed in a cylindrical shape, the rotation of the entire roller 10 can be smoothly maintained, and a plurality of strips are provided at required intervals along the circumferential direction at both ends of the cylindrical portion 14. Since the substantially wedge-shaped biting piece portion 15 is formed, the close contact with the outer roller body 20 can be enhanced, and the integrity as a product can be obtained.
【００２０】尚、ローラピンに回転自在に軸支されるロ
ーラを、摩擦係数が高く硬度が低い合成樹脂で一色形成
し、かつ、該ローラとローラピンとの間にグリースを充
填して構成しても、節度感を得つつ打音を緩衝すること
ができる。The roller rotatably supported by the roller pin may be formed by forming a single color of a synthetic resin having a high coefficient of friction and a low hardness, and filling grease between the roller and the roller pin. In addition, it is possible to buffer the hitting sound while giving a sense of moderation.
【００２１】[0021]
【発明の効果】以上説明したように、請求項１に記載の
発明にあっては、自動変速機のシフトレバーに連動して
回動するディテントプレートの外周に形成されてなる歯
状の切り欠きと弾接係合し、上記シフトレバーの運転モ
ードセレクト操作に節度感を付与するディテントスプリ
ングのローラを、上記ディテントスプリング先端のヨー
ク間に架設されたロ−ラピンに回転自在に軸支される内
ローラ体と、該内ローラ体の外周面に密着される外ロー
ラ体と、で構成し、上記内ローラ体を摩擦係数が低く硬
度が高い合成樹脂で形成すると共に、上記外ローラ体を
摩擦係数が高く硬度が低い合成樹脂で形成したので、運
転モードセレクト操作の節度感を得つつ、操作時におけ
る打音も有効に消すことができる。As described above, according to the first aspect of the present invention, the toothed notch formed on the outer periphery of the detent plate which rotates in conjunction with the shift lever of the automatic transmission. The roller of the detent spring which elastically engages with the shift lever and gives a sense of moderation to the operation mode selection operation of the shift lever is rotatably supported by a roller pin provided between the yokes at the tip of the detent spring. A roller body and an outer roller body that is in close contact with the outer peripheral surface of the inner roller body. The inner roller body is formed of a synthetic resin having a low coefficient of friction and high hardness, and the outer roller body is formed of a coefficient of friction. Since it is formed of a synthetic resin having a high hardness and a low hardness, it is possible to effectively eliminate the tapping sound during the operation while obtaining a sense of moderation of the operation mode selection operation.
【００２２】また、請求項２に記載の発明にあっては、
上記内ローラ体を、上記ディテントプレートの切り欠き
と当接する部位を円筒状に形成することで、ローラの滑
らかな回転と安定した当たりを得ることができると共
に、該円筒状部位の両端部には、周方向に沿って所要間
隔毎に略楔状の食込み片部を形成したので、内ローラ体
と外ローラ体のより強固な一体性を得ることができる。In the invention according to claim 2,
The inner roller body is formed in a cylindrical shape at a portion that comes into contact with the notch of the detent plate, so that a smooth rotation and stable contact of the roller can be obtained, and both ends of the cylindrical portion are provided. Since the substantially wedge-shaped biting pieces are formed at required intervals along the circumferential direction, stronger integration between the inner roller body and the outer roller body can be obtained.
【００２３】さらに、請求項３に記載の発明にあって
は、前記内ローラ体は、硬度がロックウエル／Ｒスケー
ルで８０以上、摩擦特性が動摩擦係数／対スチールで
０．５以下の合成樹脂を用い、かつ、外ローラ体は、硬
度がシェアＡにて９９以下、又は、シェアＤにて６０以
下で、摩擦特性が動摩擦係数／対スチールで０．５以上
の合成樹脂を用いて形成したので、高い融着性を得るこ
とができ、製品の一体性を確実に得ることができる等、
幾多の優れた効果を奏する。Further, in the invention according to claim 3, the inner roller body is made of a synthetic resin having a hardness of 80 or more on a Rockwell / R scale and a friction characteristic of 0.5 or less in terms of kinetic friction coefficient / steel. The outer roller body used was formed using a synthetic resin having a hardness of 99 or less in shear A or 60 or less in shear D, and a friction characteristic of dynamic friction coefficient / to steel of 0.5 or more. , It is possible to obtain high fusing property and to surely obtain the integrity of the product, etc.
It has many excellent effects.
【図１】この発明の実施の一形態例に係るディテントス
プリングが適用されたシフトレバーが配設されたコンソ
ール部の斜視図である。FIG. 1 is a perspective view of a console unit provided with a shift lever to which a detent spring according to an embodiment of the present invention is applied.
【図２】同ディテントスプリングの取付例を示す説明図
である。FIG. 2 is an explanatory diagram showing an example of mounting the detent spring.
【図３】同ディテントスプリングの正面図である。FIG. 3 is a front view of the detent spring.
【図４】同ディテントスプリングの平面図である。FIG. 4 is a plan view of the detent spring.
【図５】同ディテントスプリングの右側面図である。FIG. 5 is a right side view of the detent spring.
【図６】同ディテントスプリングに回転自在に軸支され
るローラの正面図である。FIG. 6 is a front view of a roller rotatably supported by the detent spring.
【図７】同ディテントスプリングローラの側面図であ
る。FIG. 7 is a side view of the detent spring roller.
【図８】同ディテントスプリングローラの内ローラ体の
斜視図である。FIG. 8 is a perspective view of an inner roller body of the detent spring roller.
【図９】同内ローラ体の正面図である。FIG. 9 is a front view of the inner roller body.
【図１０】同内ローラ体の断面図である。FIG. 10 is a sectional view of the inner roller body.
１ ディテントスプリング １Ｃ，１Ｃ ヨーク １Ｄ ローラピン ３ シフトレバー ４ ディテントプレート ５ 切り欠き １０ ローラ １１ 内ローラ体 １２ 軸孔 １３ 本体 １４ 円筒状部 １５ 食込み片部 ２０ 外ローラ体 DESCRIPTION OF SYMBOLS 1 Detent spring 1C, 1C Yoke 1D Roller pin 3 Shift lever 4 Detent plate 5 Notch 10 Roller 11 Inner roller body 12 Shaft hole 13 Main body 14 Cylindrical part 15 Biting piece part 20 Outer roller body
Claims (3)
動するディテントプレートの外周に形成されてなる歯状
の切り欠きと弾接係合し、上記シフトレバーの運転モー
ドセレクト操作に節度感を付与するディテントスプリン
グのローラを、上記ディテントスプリング先端のヨーク
間に架設されたロ−ラピンに回転自在に軸支される内ロ
ーラ体と、該内ローラ体の外周面に密着される外ローラ
体と、で構成し、上記内ローラ体を摩擦係数が低く硬度
が高い合成樹脂で形成すると共に、上記外ローラ体を摩
擦係数が高く硬度が低い合成樹脂とで形成することを特
徴とする自動変速機のディテントスプリングローラ。An automatic transmission is engaged with a tooth-shaped notch formed on an outer periphery of a detent plate which rotates in conjunction with a shift lever of an automatic transmission, so that the shift lever operates in mode select operation. An inner roller body rotatably supported by a roller pin provided between the yokes at the tip of the detent spring, and an outer roller body closely contacting the outer peripheral surface of the inner roller body. Wherein the inner roller body is formed of a synthetic resin having a low coefficient of friction and high hardness, and the outer roller body is formed of a synthetic resin having a high coefficient of friction and low hardness. Machine detent spring roller.
ートの切り欠きと当接する部位を円筒状に形成すると共
に、該円筒状部位の両端部には、周方向に沿って所要間
隔毎に略楔状の食込み片部が形成されていることを特徴
とする請求項１に記載の自動変速機のディテントスプリ
ングローラ。2. The inner roller body has a cylindrical portion formed in contact with the notch of the detent plate, and has a substantially wedge-like shape at both ends of the cylindrical portion at required intervals along a circumferential direction. The detent spring roller of the automatic transmission according to claim 1, wherein a biting piece portion is formed.
／Ｒスケールで８０以上、摩擦特性が動摩擦係数／対ス
チールで０．５以下の合成樹脂を用い、かつ、外ローラ
体は、硬度がシェアＡにて９９以下、又は、シェアＤに
て６０以下で、摩擦特性が動摩擦係数／対スチールで
０．５以上の合成樹脂を用いることを特徴とする請求項
１または請求項２のいずれかに記載の自動変速機のディ
テントスプリングローラ。3. The inner roller body is made of a synthetic resin having a hardness of 80 or more on a Rockwell / R scale and a frictional characteristic of a dynamic friction coefficient / 0.5 or less with steel, and the outer roller body has a hardness of shear. 3. A synthetic resin according to claim 1, wherein A is 99 or less, or shear D is 60 or less, and a friction characteristic is a dynamic friction coefficient / a ratio of steel to steel is 0.5 or more. A detent spring roller for the automatic transmission as described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15898499A JP3702995B2 (en) | 1999-06-07 | 1999-06-07 | Automatic transmission detent spring roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15898499A JP3702995B2 (en) | 1999-06-07 | 1999-06-07 | Automatic transmission detent spring roller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000343976A true JP2000343976A (en) | 2000-12-12 |
| JP3702995B2 JP3702995B2 (en) | 2005-10-05 |
Family
ID=15683683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15898499A Expired - Fee Related JP3702995B2 (en) | 1999-06-07 | 1999-06-07 | Automatic transmission detent spring roller |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3702995B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100332029B1 (en) * | 1999-08-27 | 2002-04-10 | 이계안 | Apparatus for improving shift feel of shift lever |
| KR100461167B1 (en) * | 2002-04-18 | 2004-12-09 | 기아자동차주식회사 | Dual detent spring device |
| FR2899529A1 (en) * | 2006-04-11 | 2007-10-12 | Peugeot Citroen Automobiles Sa | Rod movement protecting device for seat of motor vehicle, has main parts mounting cylindrical assembly after manufacturing of elastic unit, where two of parts are mounted to rod for substituting slip of rod on surface by rotating device |
| JP2010049683A (en) * | 2008-07-29 | 2010-03-04 | Deere & Co | Lever lockout assembly |
-
1999
- 1999-06-07 JP JP15898499A patent/JP3702995B2/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100332029B1 (en) * | 1999-08-27 | 2002-04-10 | 이계안 | Apparatus for improving shift feel of shift lever |
| KR100461167B1 (en) * | 2002-04-18 | 2004-12-09 | 기아자동차주식회사 | Dual detent spring device |
| FR2899529A1 (en) * | 2006-04-11 | 2007-10-12 | Peugeot Citroen Automobiles Sa | Rod movement protecting device for seat of motor vehicle, has main parts mounting cylindrical assembly after manufacturing of elastic unit, where two of parts are mounted to rod for substituting slip of rod on surface by rotating device |
| JP2010049683A (en) * | 2008-07-29 | 2010-03-04 | Deere & Co | Lever lockout assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3702995B2 (en) | 2005-10-05 |
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