JPH1130332A - Detent spring mounting structure for automatic transmission - Google Patents

Detent spring mounting structure for automatic transmission

Info

Publication number
JPH1130332A
JPH1130332A JP19783897A JP19783897A JPH1130332A JP H1130332 A JPH1130332 A JP H1130332A JP 19783897 A JP19783897 A JP 19783897A JP 19783897 A JP19783897 A JP 19783897A JP H1130332 A JPH1130332 A JP H1130332A
Authority
JP
Japan
Prior art keywords
pin
detent spring
bolt
hole
transmission case
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
Application number
JP19783897A
Other languages
Japanese (ja)
Other versions
JP3655988B2 (en
Inventor
Kiyonobu Sekiya
清伸 関谷
Hiromichi Noda
浩通 野田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JATCO Corp
Original Assignee
JATCO Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by JATCO Corp filed Critical JATCO Corp
Priority to JP19783897A priority Critical patent/JP3655988B2/en
Publication of JPH1130332A publication Critical patent/JPH1130332A/en
Application granted granted Critical
Publication of JP3655988B2 publication Critical patent/JP3655988B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Gear-Shifting Mechanisms (AREA)

Abstract

PROBLEM TO BE SOLVED: To reduce assembling and machining man-hour of detent springs. SOLUTION: A bolt hole 8 and a pin hole 9 are formed on a transmission case 11 or a valve securing section and a single diameter pin 7 is inserted into the pin hole 9, while a detent spring 1 mounting section 3 is secured by a bolt and the pin 7 and the detent spring 1 is provided with a pin movement preventing section 5 formed by a turnup piece 4 for preventing the pin 7 from falling off. Thus a spacer can be dispensed with and the work to secure the detent spring can be accomplished by tightening a single bolt. Also the pin is not required to be stepped so detent spring assembling man-hour and machining man-hour can be reduced.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、乗用車等の自動変
速機において、レンジ位置切り換え用のマニュアルプレ
ートに係合可能になるように設けられるディテントスプ
リングの取付構造に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mounting structure for a detent spring which is provided so as to be engageable with a manual plate for switching a range position in an automatic transmission such as a passenger car.

【0002】[0002]

【従来の技術】現在の乗用車は、走行条件に応じて自動
的に変速比を切り換える自動変速機が広く普及してい
る。その自動変速機において、車両のドライバーが操作
するシフトレバーに連結されてその操作に連動して回転
する軸が、例えば変速機ケースに支持されて設けられ、
その変速機ケース内側においてこの軸にマニュアルプレ
ートが、取り付けられている。このマニュアルプレート
の回動位置に応じて図示しない油圧回路のマニュアルバ
ルブなどが制御され、レンジ位置が切り換えられる。マ
ニュアルプレートには、その外周縁にシフトレバーの各
セレクトポジションに対応する切り欠き部が形成されて
波形形状とされている。
2. Description of the Related Art In a current passenger car, an automatic transmission that automatically switches a gear ratio according to running conditions is widely used. In the automatic transmission, a shaft connected to a shift lever operated by a driver of the vehicle and rotated in conjunction with the operation is provided, for example, supported by a transmission case,
A manual plate is attached to this shaft inside the transmission case. A manual valve or the like of a hydraulic circuit (not shown) is controlled according to the turning position of the manual plate, and the range position is switched. The manual plate is formed with a notch corresponding to each select position of the shift lever at an outer peripheral edge thereof, and has a waveform shape.

【0003】そして、同じく変速機ケース、あるいは変
速機ケース内に固定されたバルブユニットなどの固定部
に、ディテントスプリングが取り付けられ、このディテ
ントスプリングの先端に設けられたローラが上記の切り
欠き部に係合して、マニュアルプレートを所定位置に保
持することにより、シフトレバーで選択されたセレクト
ポジションを保持するようにしている。このディテント
スプリングの取り付け構造としては、例えば特開平6ー
272752号公報に開示されたようなものがある。こ
れは、変速機ケースの固定部にボルト穴と単一径のピン
が嵌挿されるピン穴とが形成され、ディテントスプリン
グはこれらに対応する穴を有しており、穴と袋部を有す
るスペーサをディテントスプリングの上に重ね、ディテ
ントスプリングの穴を貫通して突出する単一径のピンに
袋部が被せられている。そして、スペーサとディテント
スプリングが、これを貫通するボルトで固定部に固定さ
れ、ピンが軸方向に移動しようとするとピン先端が袋部
のハット頂面に当接して阻止される。
[0003] A detent spring is attached to a fixed portion such as a transmission case or a valve unit fixed in the transmission case, and a roller provided at the tip of the detent spring is fitted in the cutout. By engaging and holding the manual plate at a predetermined position, the select position selected by the shift lever is held. As a mounting structure of the detent spring, for example, there is a structure disclosed in Japanese Patent Application Laid-Open No. Hei 6-272755. This is because a bolt hole and a pin hole into which a single-diameter pin is inserted are formed in a fixed portion of the transmission case, and the detent spring has holes corresponding to these, and a spacer having a hole and a bag portion. Is placed on the detent spring, and the bag portion is covered with a single-diameter pin that protrudes through the hole of the detent spring. Then, the spacer and the detent spring are fixed to the fixing portion by bolts penetrating the spacer, and when the pin tries to move in the axial direction, the tip of the pin abuts on the top surface of the hat of the bag portion and is blocked.

【0004】なお、他の取付構造として、上述の単一径
のピンを段付形状のピンにかえることで、ピンが変速機
ケースから抜け落ちないようにした異なる取付構造もあ
る。これらのように、ディテントスプリングがボルトに
より固定されるとともに、ディテントスプリングのピン
穴がピンに係合していることにより、ディテントスプリ
ングはその取り付け部で回動するようなことが防止され
て、ディテントスプリングの先端部が位置ずれすること
なく確実にマニュアルプレートの切り欠き部と安定して
係合する。
As another mounting structure, there is a different mounting structure in which the above-mentioned single-diameter pin is replaced with a step-shaped pin so that the pin does not fall out of the transmission case. As described above, the detent spring is fixed by the bolt and the pin hole of the detent spring is engaged with the pin, so that the detent spring is prevented from rotating at the mounting portion, and the detent spring is prevented from rotating. The distal end of the spring is securely engaged with the notch of the manual plate without displacement.

【0005】[0005]

【発明が解決しようとする課題】しかしながら、このよ
うな従来のディテントスプリング取付構造においては、
ピンの抜け落ちは防止されるものの、変速機ケースとデ
ィテントスプリングの間のスペーサを設けなくてはなら
ず、あるいは加工工数のかかる段付形状のピンを使用せ
ねばならず、部品コスト、ディテントスプリングの組立
作業工数や組立管理工数の増加があった。
However, in such a conventional detent spring mounting structure,
Although the pin is prevented from falling off, a spacer must be provided between the transmission case and the detent spring, or a stepped pin that requires processing time must be used. There was an increase in assembling work and assembly management man-hours.

【0006】[0006]

【課題を解決するための手段】このため、本発明は、レ
ンジ位置切り換え用マニュアルプレートに係合可能にな
るように変速機ケースまたはバルブに固定されるディテ
ントスプリングの取付構造であって、前記変速機ケース
またはバルブの固定部にボルト穴とピン穴とが形成さ
れ、該ピン穴には単一径のピンが嵌挿され、前記ディテ
ントスプリングには、前記ボルト穴に対応するボルト穴
と前記ピンに対応するピン穴が設けられ、前記ディテン
トスプリングのボルト穴を貫通してボルトが前記ボルト
穴にねじ込まれるとともに前記ディテントスプリングの
取付部には折り返し片が設けられ、該折り返し片を前記
ディテントスプリングのピン穴に重なるまで延ばし、前
記ピンの軸方向の移動を阻止するピン移動阻止部が形成
されているものとした。
According to the present invention, there is provided a mounting structure for a detent spring fixed to a transmission case or a valve so as to be engageable with a manual plate for switching a range position. A bolt hole and a pin hole are formed in a fixing portion of the machine case or the valve, a pin having a single diameter is inserted into the pin hole, and the detent spring has a bolt hole and the pin corresponding to the bolt hole. A pin hole corresponding to the detent spring is provided, a bolt is screwed into the bolt hole through the bolt hole of the detent spring, and a bent piece is provided at a mounting portion of the detent spring. A pin movement preventing portion is formed to extend to overlap with the pin hole and to prevent the pin from moving in the axial direction. .

【0007】[0007]

【作用】ディテントスプリングのボルト穴を貫通してボ
ルトが、変速機ケースまたはバルブの固定部のボルト穴
にねじ込まれた際、嵌挿されているピンは折り返し片に
形成されているピン移動阻止部に当接している為、軸方
向に移動できない。そのため、スペーサは不要になり、
ディテントスプリングを固定する締め付け作業は、ボル
ト一個だけで済むようになる。また、ピンを段付形状に
する必要もない。
When the bolt passes through the bolt hole of the detent spring and is screwed into the bolt hole of the fixed portion of the transmission case or the valve, the inserted pin becomes a pin movement preventing portion formed on the folded piece. And cannot move in the axial direction. Therefore, no spacer is required,
Tightening work to fix the detent spring requires only one bolt. Also, there is no need for the pins to have a stepped shape.

【0008】[0008]

【発明の実施の形態】以下本発明の実施の形態を実施例
により説明する。図1、図2または図3は、本発明の実
施例の構成を示す。図1はディテントスプリングの取付
状態を示す平面図で、図2は、図1におけるA−A部の
拡大した断面を示し、図3は、図1におけるBーB部の
拡大した断面を示す。なお、図1にはボルト6及びピン
7を省略してある。薄板の弾性材のディテントスプリン
グ1は、ばね部2と取付部3とからなり、図示しないレ
ンジ位置切り換え用マニュアルプレートに係合するばね
部2先端に、ローラ10を備え、他端側の取付部3に、
ディテントスプリング1の長手方向に対して直角方向に
ボルト穴8とピン穴9が形成されている。
Embodiments of the present invention will be described below with reference to embodiments. FIG. 1, FIG. 2, or FIG. 3 shows a configuration of an embodiment of the present invention. FIG. 1 is a plan view showing an attached state of the detent spring, FIG. 2 shows an enlarged cross section of AA section in FIG. 1, and FIG. 3 shows an enlarged cross section of BB section in FIG. In FIG. 1, the bolt 6 and the pin 7 are omitted. A detent spring 1 made of a thin elastic material includes a spring portion 2 and a mounting portion 3. A roller 10 is provided at the tip of the spring portion 2 which engages with a manual plate for switching a range position (not shown). 3,
A bolt hole 8 and a pin hole 9 are formed in a direction perpendicular to the longitudinal direction of the detent spring 1.

【0009】また、ディテントスプリング1のボルト6
が貫通するボルト穴8は、ボルト6とピン7間の寸法に
対する各部材の誤差吸収のため、ディテントスプリング
1の長手方向に対して直角方向の長穴とされている。デ
ィテントスプリング1は、その要求されるばね力と、マ
ニュアルプレート外周縁の切り欠き部を乗り越える際の
強度を勘案してばね部2が長板に形成されている。そし
て、変速機ケース固定部12には、ディテントスプリン
グ1の取付部3の穴に対応するボルト穴8とピン穴9と
が形成されており、ピン穴9には位置決め用の単一径と
されたピン7が嵌挿され、このピン7の先端部が変速機
ケース固定部12上に突出している。
Further, the bolt 6 of the detent spring 1
The bolt hole 8 through which the hole extends is formed as a long hole in a direction perpendicular to the longitudinal direction of the detent spring 1 in order to absorb errors of each member with respect to the dimension between the bolt 6 and the pin 7. The detent spring 1 has a spring portion 2 formed in a long plate in consideration of the required spring force and the strength at which the detent spring 1 gets over the notch portion on the outer peripheral edge of the manual plate. A bolt hole 8 and a pin hole 9 corresponding to the holes of the mounting portion 3 of the detent spring 1 are formed in the transmission case fixing portion 12, and the pin hole 9 has a single diameter for positioning. The pin 7 is fitted and the tip of the pin 7 projects above the transmission case fixing portion 12.

【0010】そのピン穴9から突出するピン7を、ディ
テントスプリング1のピン穴9に貫通させてディテント
スプリング1の位置決めを行なうとともに、ディテント
スプリング1のボルト穴8を貫通させたボルト6を変速
機ケース固定部12のボルト穴8にねじ込んで締め付け
ることによって、変速機ケース固定部12とディテント
スプリング1が固定される。
A pin 7 protruding from the pin hole 9 is passed through the pin hole 9 of the detent spring 1 to position the detent spring 1, and the bolt 6 penetrated through the bolt hole 8 of the detent spring 1 is connected to the transmission. The transmission case fixing portion 12 and the detent spring 1 are fixed by screwing into the bolt holes 8 of the case fixing portion 12 and tightening.

【0011】ディテントスプリング1の取付部3の外側
縁のピン穴9の近傍に、折り返し片4が設けられ、ディ
テントスプリング1の取付部3の面からピン7先端部ま
での突出距離と略同等距離だけ略垂直に延びて、そこか
らディテントスプリング1の取付部3と略水平になるよ
うに、ピン穴9に重なる位置まで延びてピン移動阻止部
5を形成している。ディテントスプリング1の先端には
二股に岐れたヨーク13があり、各ヨーク13の先端が
リング状に成形されてピン受け部14が形成されてい
る。各ヨーク13のピン受け部14に図示しないローラ
ピンの両端が圧入されており、このローラピンはヨーク
13間に配置されたローラ10の中心穴を貫通して、ロ
ーラ10を回転自在に支持している。
In the vicinity of the pin hole 9 on the outer edge of the mounting portion 3 of the detent spring 1, a folded piece 4 is provided, and a distance substantially equal to the projecting distance from the surface of the mounting portion 3 of the detent spring 1 to the tip of the pin 7. The pin movement preventing portion 5 is formed so as to extend substantially vertically and from there to a position overlapping the pin hole 9 so as to be substantially horizontal with the mounting portion 3 of the detent spring 1. At the tip of the detent spring 1, there are two forked yokes 13, and the tip of each yoke 13 is formed in a ring shape to form a pin receiving portion 14. Both ends of a roller pin (not shown) are press-fitted into a pin receiving portion 14 of each yoke 13. The roller pins penetrate through a center hole of the roller 10 disposed between the yokes 13 and rotatably support the roller 10. .

【0012】実施例は以上のように構成され、ディテン
トスプリング1を変速機ケース固定部12に取り付ける
にあたって、ボルト6とピン7がディテントスプリング
1の取付部3のそれぞれの穴と変速機ケース固定部12
のそれぞれの穴を貫通しているため、ディテントスプリ
ング1は、ボルト6とピン7で保持され、左右の回動が
阻止される。よって、ディテントスプリング1のローラ
10とマニュアルプレートに対する位置関係を正確に保
持できる。また、ピン7が軸方向に移動しようとする
と、ピン7先端がピン移動阻止部5に当接して、移動阻
止機能が有効に発揮される。
The embodiment is constructed as described above. When the detent spring 1 is mounted on the transmission case fixing portion 12, the bolts 6 and the pins 7 are fixed to the respective holes of the mounting portion 3 of the detent spring 1 and the transmission case fixing portion. 12
, The detent spring 1 is held by the bolts 6 and the pins 7, and the right and left rotation is prevented. Therefore, the positional relationship between the detent spring 1 and the roller 10 and the manual plate can be accurately maintained. When the pin 7 moves in the axial direction, the tip of the pin 7 comes into contact with the pin movement preventing portion 5, and the movement preventing function is effectively exhibited.

【0013】そのため、スペーサは不要になり、ディテ
ントスプリング1を固定する締め付け作業は、ボルト一
個だけで済むようになる。また、ピン7を段付形状にす
る必要もなくなり、ディテントスプリング1の組立作業
工数や加工工数の低減ができる。なお、上記実施例で
は、ディテントスプリング1を取り付ける固定部が変速
機ケースに設けられたものを示したが、これに限定され
ることなく、マニュアルプレートに対して固定側となる
ものであれば、変速機ケース11のほか、変速機ケース
11に固定されるバルブユニット等であってもよい。
Therefore, the spacer is not required, and the tightening work for fixing the detent spring 1 can be performed with only one bolt. Further, it is not necessary to form the pin 7 in a stepped shape, so that the number of steps for assembling and processing the detent spring 1 can be reduced. In the above-described embodiment, the fixed portion to which the detent spring 1 is attached is provided on the transmission case. However, the present invention is not limited to this. In addition to the transmission case 11, a valve unit or the like fixed to the transmission case 11 may be used.

【0014】[0014]

【発明の効果】以上の通り、本発明は、変速機ケースま
たはバルブの固定部にボルト穴とピン穴とが形成され、
ディテントスプリングには、固定部のボルト穴に対応す
るボルト穴と固定部のピン穴に対応するピン穴が設けら
れ、ディテントスプリングのボルト穴を貫通してボルト
が、変速機ケースまたはバルブの固定部のボルト穴にね
じ込まれる際、ピン穴に嵌挿されているピンは、折り返
し片に形成されているピン移動阻止部に当接している
為、軸方向の移動ができない。そのため、スペーサは不
要になり、ディテントスプリングを固定する締め付け作
業は、ボルト一個だけで済むようになる。また、ピンを
段付形状にする必要もなくなると共に、折り返し片に弾
性があるため折り返し片形成時の誤差を吸収することが
でき、ディテントスプリングの組立作業工数や加工工数
の低減ができる。
As described above, according to the present invention, a bolt hole and a pin hole are formed in a fixed portion of a transmission case or a valve.
The detent spring has a bolt hole corresponding to the bolt hole of the fixed part and a pin hole corresponding to the pin hole of the fixed part, and the bolt penetrates the bolt hole of the detent spring and the bolt is fixed to the transmission case or valve fixing part. When the pin is screwed into the bolt hole, the pin inserted into the pin hole is in contact with the pin movement preventing portion formed on the folded piece, so that the pin cannot move in the axial direction. Therefore, the spacer is not required, and the tightening operation for fixing the detent spring requires only one bolt. In addition, it is not necessary to make the pin a stepped shape, and since the folded piece has elasticity, an error in forming the folded piece can be absorbed, and the number of assembling work and processing man-hours of the detent spring can be reduced.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明の実施例を示す図である。FIG. 1 is a diagram showing an embodiment of the present invention.

【図2】図1におけるAーA部の拡大断面図である。FIG. 2 is an enlarged sectional view of an AA section in FIG.

【図3】図1におけるBーB部の拡大断面図である。FIG. 3 is an enlarged sectional view of a BB section in FIG. 1;

【符号の説明】[Explanation of symbols]

1 ディテントスプリング 2 ばね部 3 取付部 4 折り返し片 5 ピン移動阻止部 6 ボルト 7 ピン 8 ボルト穴 9 ピン穴 10 ローラ 11 変速機ケース 12 変速機ケース固定部 13 ヨーク 14 ピン受け部 DESCRIPTION OF SYMBOLS 1 Detent spring 2 Spring part 3 Mounting part 4 Folding piece 5 Pin movement prevention part 6 Bolt 7 Pin 8 Bolt hole 9 Pin hole 10 Roller 11 Transmission case 12 Transmission case fixing part 13 Yoke 14 Pin receiving part

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 レンジ位置切り換え用マニュアルプレー
トに係合可能になるように変速機ケースまたはバルブに
固定されるディテントスプリングの取付構造であって、
前記変速機ケースまたはバルブの固定部にボルト穴とピ
ン穴とが形成され、該ピン穴には単一径のピンが嵌挿さ
れ、前記ディテントスプリングには、前記ボルト穴に対
応するボルト穴と前記ピンに対応するピン穴が設けら
れ、前記ディテントスプリングのボルト穴を貫通してボ
ルトが前記ボルト穴にねじ込まれるとともに前記ディテ
ントスプリングの取付部には折り返し片が設けられ、該
折り返し片を前記ディテントスプリングのピン穴に重な
るまで延ばし、前記ピンの軸方向の移動を阻止するピン
移動阻止部が形成されてい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取付構造
1. A mounting structure for a detent spring fixed to a transmission case or a valve so as to be engageable with a manual plate for switching a range position,
A bolt hole and a pin hole are formed in a fixed portion of the transmission case or the valve, a pin having a single diameter is inserted into the pin hole, and a bolt hole corresponding to the bolt hole is formed in the detent spring. A pin hole corresponding to the pin is provided, a bolt passes through the bolt hole of the detent spring, and a bolt is screwed into the bolt hole, and a mounting piece of the detent spring is provided with a folded piece. A detent spring mounting structure for an automatic transmission, wherein a pin movement preventing portion is formed to extend to overlap a pin hole of a spring and to prevent movement of the pin in the axial direction.
JP19783897A 1997-07-08 1997-07-08 Detent spring mounting structure of automatic transmission Expired - Fee Related JP3655988B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19783897A JP3655988B2 (en) 1997-07-08 1997-07-08 Detent spring mounting structure of automatic transmission

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19783897A JP3655988B2 (en) 1997-07-08 1997-07-08 Detent spring mounting structure of automatic transmission

Publications (2)

Publication Number Publication Date
JPH1130332A true JPH1130332A (en) 1999-02-02
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100737022B1 (en) * 2006-03-09 2007-07-09 현대자동차주식회사 Detent spring for a packing system of an auto transmission

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100737022B1 (en) * 2006-03-09 2007-07-09 현대자동차주식회사 Detent spring for a packing system of an auto transmission

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