JP2598299B2 - Lubrication device for vehicle transmission - Google Patents

Lubrication device for vehicle transmission

Info

Publication number
JP2598299B2
JP2598299B2 JP63108332A JP10833288A JP2598299B2 JP 2598299 B2 JP2598299 B2 JP 2598299B2 JP 63108332 A JP63108332 A JP 63108332A JP 10833288 A JP10833288 A JP 10833288A JP 2598299 B2 JP2598299 B2 JP 2598299B2
Authority
JP
Japan
Prior art keywords
gear
oil
gear train
ultra
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.)
Expired - Lifetime
Application number
JP63108332A
Other languages
Japanese (ja)
Other versions
JPH01279166A (en
Inventor
清一 大久保
寛 和久井
孝行 矢古宇
和宏 中野
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.)
Honda Motor Co Ltd
Original Assignee
Honda Motor Co Ltd
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 Honda Motor Co Ltd filed Critical Honda Motor Co Ltd
Priority to JP63108332A priority Critical patent/JP2598299B2/en
Publication of JPH01279166A publication Critical patent/JPH01279166A/en
Application granted granted Critical
Publication of JP2598299B2 publication Critical patent/JP2598299B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/04Features relating to lubrication or cooling or heating
    • F16H57/042Guidance of lubricant
    • F16H57/0421Guidance of lubricant on or within the casing, e.g. shields or baffles for collecting lubricant, tubes, pipes, grooves, channels or the like
    • F16H57/0423Lubricant guiding means mounted or supported on the casing, e.g. shields or baffles for collecting lubricant, tubes or pipes

Landscapes

  • General Details Of Gearings (AREA)

Description

【発明の詳細な説明】 (産業上の利用分野) 本発明は、通常の変速段より更に低速での走行が行な
えるようにした車両用変速機の潤滑装置に関する。
Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lubricating device for a vehicular transmission capable of running at a lower speed than a normal speed.

(従来の技術) 従来、この種車両用変速機として特開昭60−60034号
公報により、複数のギヤ列とディファレンシャルギヤと
を収納するミッションケースに、超低速ギヤ列を収納し
たギヤケースを取付けたものは知られ、このものでは該
両ケースの底部のオイルを各ギヤ列のギヤ及びディファ
レンシャルギヤの入力ギヤの回転で飛散させて、ベアリ
ングや各ギヤの潤滑を行なうように構成するを一般とす
る。
(Prior Art) Conventionally, as a vehicle transmission of this type, a gear case accommodating an ultra-low-speed gear train was attached to a transmission case accommodating a plurality of gear trains and differential gears according to Japanese Patent Application Laid-Open No. 60-60034. This is generally known, in which the oil at the bottom of both cases is scattered by the rotation of the input gear of each gear train and the differential gear to lubricate the bearings and each gear. .

(発明が解決しようとする課題) ところで、上記した車両用変速機では、ギヤケース内
の大径なドリブンギヤの回転で飛散されるオイルにより
超低速ギヤ列の潤滑が行なわれると共に、そのオイルの
一部がベアリングの隙間からミッションケース側に流出
し、ディファレンシャルギヤの入力ギヤの回転で飛散さ
れるオイルの一部がギヤケース内に供給されるといった
オイルの循環が行なわれる。
(Problems to be Solved by the Invention) By the way, in the above-described vehicle transmission, the ultra-low speed gear train is lubricated by the oil scattered by the rotation of the large-diameter driven gear in the gear case, and a part of the oil is used. Oil flows out of the gap between the bearings to the transmission case side, and a part of the oil scattered by the rotation of the input gear of the differential gear is supplied into the gear case, thereby circulating the oil.

然し、通常のギヤ列での走行時には入力ギヤの回転速
度が早く、飛散されるオイル量が多くなるが、超低速ギ
ヤ列での走行時には、入力ギヤの回転速度が遅くなるた
め入力ギヤで飛散されるオイルが少なくなり、ギヤケー
ス内に供給されるオイル量が少なくなって超低速ギヤ列
の潤滑油不足を生じる懸念がある。
However, when traveling in the normal gear train, the rotation speed of the input gear is high, and the amount of splashed oil increases. There is a concern that the amount of oil to be supplied is reduced and the amount of oil supplied into the gear case is reduced, resulting in a shortage of lubricating oil in the ultra-low speed gear train.

本発明は、かかる問題に鑑みなされたものであり、そ
の目的とするところは超低速ギヤ列での走行時に十分な
量のオイルをギヤケース内に供給できるようにした潤滑
装置を提供することにある。
The present invention has been made in view of such a problem, and an object of the present invention is to provide a lubricating device capable of supplying a sufficient amount of oil into a gear case when traveling in an ultra-low speed gear train. .

(課題を解決するための手段) 上記目的を達成すべく、請求項1の発明では、 複数のギヤ列とディファレンシャルギヤとを収納する
ミッションケースに、超低速ギヤ列を収納したギヤケー
スを組付けて成る車両用変速機において、該ミッション
ケース内に、前記超低速ギヤ列を確立するクラッチ機構
の操作部材と、該クラッチ機構をニュートラル状態とす
る該操作部材の中立位置からの切換操作に連動して前記
ディファレンシャルギヤの入力ギヤの側面に当接するオ
イルスクレーパとを設けると共に、該ミッションケース
内に、該オイルスクレーパで掻き取ったオイルを前記ギ
ヤケース内に導入するオイル導入部材を設けた。
(Means for Solving the Problems) In order to achieve the above object, according to the first aspect of the present invention, a gear case accommodating an ultra-low speed gear train is assembled to a transmission case accommodating a plurality of gear trains and differential gears. In the transmission for a vehicle, in the transmission case, an operation member of a clutch mechanism for establishing the ultra-low-speed gear train and a switching operation from a neutral position of the operation member for bringing the clutch mechanism into a neutral state. An oil scraper is provided in contact with a side surface of the input gear of the differential gear, and an oil introduction member is provided in the transmission case for introducing oil scraped by the oil scraper into the gear case.

又、使用頻度が多く且つ比較的長時間使用される前進
用超低速ギヤ列での走行時にギヤケース内に潤滑油を供
給できるように、前記超低速ギヤ列として前進用超低速
ギヤ列と後進用超低速ギヤ列とを備える請求項1記載の
車両用変速機において、前記オイルスクレーパを前記操
作部材の前進側への切換操作に連動して前記入力ギヤの
側面に当接するように構成した。
Further, the super-low-speed gear train and the forward-use low-speed gear train are used as the super-low-speed gear train so that lubricating oil can be supplied into the gear case when traveling in a forward-use low-speed gear train that is frequently used and used for a relatively long time. The vehicle transmission according to claim 1, further comprising an ultra-low speed gear train, wherein the oil scraper is configured to abut on a side surface of the input gear in conjunction with an operation of switching the operation member to a forward side.

又、後進用超低速ギヤ列での走行時にギヤケース内に
潤滑油を供給できるように、請求項2記載の車両用変速
機において、前記操作部材の後進側への切換操作に連動
して前記入力ギヤの側面に当接する第2のオイルスクレ
ーパを設けた。
3. The transmission for a vehicle according to claim 2, wherein the input is interlocked with a switching operation of the operating member to the reverse side so that lubricating oil can be supplied into the gear case during traveling in the reverse low-speed gear train. A second oil scraper was provided to contact the side of the gear.

(作 用) 本発明の作用を請求項3の装置に基づいて説明する。(Operation) The operation of the present invention will be described based on the device of claim 3.

先ず、前進用超低速ギヤ列での走行を行なうべく操作
部材を中立位置から前進側に操作すれば、これに連動し
てオイルスクレーパが非接触状態からディファレンシャ
ルギヤの入力ギヤの側面に当接した状態となり、次いで
前進することで入力ギヤが回転しその側面に付着したオ
イルがオイルスクレーパで掻き取られ、この掻き取られ
たオイルがオイル導入部材を介してギヤケース内に導入
される。
First, when the operating member is operated from the neutral position to the forward side to perform traveling in the forward low-speed gear train, the oil scraper is brought into contact with the side of the input gear of the differential gear from the non-contact state in conjunction with this operation. Then, the input gear is rotated by moving forward, and the oil attached to the side surface is scraped off by the oil scraper, and the scraped oil is introduced into the gear case via the oil introducing member.

又、後進用超低速ギヤ列での走行を行なうべく操作部
材を中立位置から後進側に操作すれば、これに連動して
第2のオイルスクレーパが非接触状態からディファレン
シャルギヤの入力ギヤの側面に当接した状態となり、次
いで後退することで入力ギヤの側面に付着したオイルが
オイルスクレーパで掻き取られ、この掻き取られたオイ
ルがオイル導入部材を介してギヤケース内に導入され
る。
Also, if the operating member is operated from the neutral position to the reverse side in order to perform traveling in the reverse low-speed gear train, the second oil scraper interlocks with this to move the second oil scraper from the non-contact state to the side of the input gear of the differential gear. As a result, the oil attached to the side surface of the input gear is scraped off by the oil scraper, and the scraped oil is introduced into the gear case via the oil introduction member.

又、操作部材を中立位置に戻せばこれに運動して各ス
クレーパが非接触状態となり、従って通常のギヤ列での
走行時にはオイルスクレーパが入力ギヤに当接しないた
め入力ギヤとの摺接による摩耗を抑制できオイルスクレ
ーパの耐久性が向上される。
When the operating member is returned to the neutral position, the scraper moves to the neutral position, and the scrapers are brought into a non-contact state. Therefore, when traveling in a normal gear train, the oil scraper does not contact the input gear, so that the wear caused by sliding contact with the input gear. And the durability of the oil scraper is improved.

(実施例) 図面で(1)はG1乃至G4で示す前進ギヤ列とGRで示す
後進ギヤ列とディファレンシャルギヤ(2)とを収納す
るミッションケースを示し、該ミッションケース(1)
に、超低速ギヤ列たる前進用超低速ギヤGSFと後進用超
低速ギヤ列GSRとを収納したギヤケース(3)を組付け
て、前進4段後進1段と超低速での前後進とが行なえる
車両用変速機に構成した。
(Example) In the drawing (1) indicates a transmission case for accommodating the reverse gear train and the differential gear (2) indicated by the forward gear train and G R indicated by G 1 to G 4, the transmission case (1)
To, by assembling the gear case (3) housing a forward-serving super low gear train and super low gear G SF and reverse very low speed gear train G SR, four forward gears and one reverse gear and the forward and backward at ultra low speed A transmission for vehicles that can perform

前記ミッションケース(1)内には、前進用超低速ギ
ヤ列GSFと後進用超低速ギヤ列GSRとを選択的に確立する
クラッチ機構(4)の操作部材(5)が設けられてお
り、該ミッションケース(1)内に、該クラッチ機構
(4)をニュートラル状態とする該操作部材(5)の中
立位置からの前進側への切換操作に連動して前記ディフ
ァレンシャルギヤ(2)の入力ギヤ(2a)の側面に当接
するオイルスクレーパ(6)を設けると共に、該ミッシ
ョンケース(1)内に、該オイルスクレーパ(6)で掻
き取ったオイルを前記ギヤケース(3)内に導入するオ
イル導入部材(7)を設けた。
The transmission case (1) is provided with an operating member (5) of a clutch mechanism (4) for selectively establishing a forward ultra-low speed gear train GSF and a reverse ultra-low speed gear train GSR. In the transmission case (1), the input of the differential gear (2) is interlocked with the operation of switching the operating member (5) from the neutral position to the forward side to bring the clutch mechanism (4) into the neutral state. An oil scraper (6) is provided in contact with a side surface of the gear (2a), and oil is introduced into the transmission case (1) to introduce oil scraped by the oil scraper (6) into the gear case (3). A member (7) was provided.

更に詳述するに、前記クラッチ機構(4)はギヤケー
ス(3)内の出力軸(8)上に、前進用超低速ギヤ列G
SFの前進用ドリブンギヤ(9)と後進用超低速ギヤ列G
SRの後進用ドリブンギヤ(10)とを該出力軸(8)に選
択的に連結するように設けられており、該クラッチ機構
(4)のハブ(4a)を該出力軸(8)の該両ドリブンギ
ヤ(9)(10)の中間部分にスプライン係合すると共
に、両ドリブンギヤ(9)(10)に夫々形成した各係合
歯(9a)(10a)に係合可能な内周のスプラインを有す
るスリーブ(4b)を前記ハブ(4a)の外周に軸方向に摺
動自在にスプライン係合させた。そして、ミッションケ
ース(1)内に、該ケース(1)の端壁(1a)を通して
ギヤケース(3)内にのびるガイドロッド(11)を設け
て、これに前記スリーブ(4b)に係合するシフトフォー
ク(12)を支持させると共に、該シフトフォーク(12)
に前記操作部材(5)を尾端部においてねじ止めし、該
操作部材(5)の先端のシフトピース(5a)に図示しな
いシフトレバに連結されるシフトアームを係合させ、か
くて該シフトアーム(13)を介して操作部材(5)を第
3図にNで示す中立位置からSFで示す前進位置に操作す
ることにより、シフトフォーク(12)を介してスリーブ
(4b)がニュートラル位置から前進用ドリブンギヤ
(9)側(図面で左側)に移動され、該ドリブンギヤ
(9)がスリーブ(4b)とハブ(4a)とを介して出力軸
(8)に連結されて前進用超低速ギヤ列GSFが確立さ
れ、又操作部材(5)を第3図でSRで示す後進位置に操
作することにより、シフトフォーク(12)を介してスリ
ーブ(4b)が後進用ドリブンギヤ(10)側(図面で右
側)に移動され、該ドリブンギヤ(10)がスリーブ(4
b)とハブ(4a)とを介して出力軸(8)に連結されて
後進用超低速ギヤ列GSRが確立されるようにした。
More specifically, the clutch mechanism (4) is mounted on an output shaft (8) in a gear case (3) by an ultra-low speed gear train G for forward movement.
SF driven forward gear (9) and reverse low-speed gear train G
A reverse driven gear (10) for the SR is provided so as to be selectively connected to the output shaft (8), and a hub (4a) of the clutch mechanism (4) is connected to the two ends of the output shaft (8). The driven gears (9) and (10) have an inner spline that can be spline-engaged with an intermediate portion and that can be engaged with each of the engagement teeth (9a) and (10a) formed on the driven gears (9) and (10), respectively. The sleeve (4b) was spline-engaged with the outer periphery of the hub (4a) so as to be slidable in the axial direction. A guide rod (11) is provided in the transmission case (1) and extends through the end wall (1a) of the case (1) into the gear case (3). The guide rod (11) engages with the sleeve (4b). The shift fork (12) is supported while supporting the fork (12).
The operation member (5) is screwed at the tail end thereof, and the shift arm (5a) at the tip of the operation member (5) is engaged with a shift arm connected to a shift lever (not shown). By operating the operation member (5) from the neutral position indicated by N in FIG. 3 to the forward position indicated by SF via (13), the sleeve (4b) advances from the neutral position via the shift fork (12). Driven gear (9) (left side in the drawing), and the driven gear (9) is connected to the output shaft (8) via the sleeve (4b) and the hub (4a), and the forward low-speed gear train G SF is established, and the operating member (5) is operated to the reverse position indicated by SR in FIG. Right) and the driven gear (10) Is a sleeve (4
b) a hub (4a) and ultra low speed gear train G SR for reverse is connected to an output shaft (8) via a has to be established.

又、前記オイルスクレーパ(6)は、第2図及び第3
図に明示する如く、金属製のブラケット(6a)と、該ブ
ラケット(6a)に、入力ギヤ(2a)のリム部側面に対向
するように取付けたゴム製の掻取片(6b)と、該掻取片
(6b)の下部に該リム部の内周空隙に向けて一体に延出
したオイル受け片(6c)とから成り、オイルスクレーパ
(6)を該ブラケット(6a)において前記シフトピース
(5a)にリベット(14)で取付け、操作部材(5)の中
立位置Nからの前進位置SFへの切換操作でこれに連動し
て該オイルスクレーパ(6)の掻取片(6b)が入力ギヤ
(2a)のリム部側面に当接されるようにした。
In addition, the oil scraper (6) is similar to that shown in FIGS.
As clearly shown in the figure, a metal bracket (6a), a rubber scraper (6b) attached to the bracket (6a) so as to face the rim side surface of the input gear (2a), An oil receiving piece (6c) integrally extending toward the inner peripheral space of the rim portion below the scraping piece (6b), and the oil scraper (6) is attached to the bracket (6a) by the shift piece (6). 5a) is attached with a rivet (14), and when the operating member (5) is switched from the neutral position N to the forward position SF, the scraper (6b) of the oil scraper (6) is moved in conjunction with the switching operation. (2a) to be in contact with the side of the rim.

又、前記オイル導入部材(7)は板金製の樋から成
り、該導入部材(7)の先端部をミッションケース
(1)の端壁(1a)に開設した透孔(15)に圧入し、そ
の尾端部をオイルスクレーパ(6)の下端部に臨ませて
ステー(7a)を介して該ミッションケース(1)にボル
ト止めした。
The oil introduction member (7) is made of a sheet metal gutter, and the tip of the oil introduction member (7) is press-fitted into a through hole (15) formed in the end wall (1a) of the transmission case (1). The tail end faced the lower end of the oil scraper (6) and was bolted to the transmission case (1) via a stay (7a).

この場合、オイル導入部材(7)をパイプで構成する
ことも可能である。
In this case, the oil introduction member (7) can be constituted by a pipe.

第5図及び第6図は第2の実施例を示し、このもので
は、操作部材(5)の中立位置からの前進位置への切換
操作に連動して入力ギヤ(2a)のリム部側面に当接する
上記実施例と同様の第1のオイルスクレーパ(6)に加
えて、該操作部材(5)の中立位置からの後進側への切
換操作に連動して入力ギヤ(2a)のリム部側面に当接す
る第2のオイルスクレーパ(6′)を設け、後進用超低
速ギヤ列GSRでの走行時にもギヤケース(3)内にオイ
ルを導入し得るようにした。
5 and 6 show a second embodiment. In this embodiment, the operation member (5) is provided on the side surface of the rim portion of the input gear (2a) in conjunction with the switching operation from the neutral position to the forward position. In addition to the first oil scraper (6) similar to that of the above-described embodiment, the side surface of the rim portion of the input gear (2a) is interlocked with the switching operation of the operation member (5) from the neutral position to the reverse side. abutting the second oil scraper (6 ') provided, and adapted to introduce oil into the gear case even when running at reverse super low gear train G SR (3) to.

これを更に詳述するに、上記第2のオイルスクレーパ
(6′)は、前記ガイドロット(11)に摺動自在に支持
させた支持アーム(16)の先端部にブラケット(6′
a)においてリベット(17)止めされており、ミッショ
ンケース(1)内に、該ケース(1)から突出した支軸
(18)を中心として回動自在なリンク(19)を設けて、
該リンク(19)の一端を支持アーム(16)とその他端を
前記操作部材(5)のシフトピース(5a)とに夫々連結
した。
In more detail, the second oil scraper (6 ') is provided with a bracket (6') at the tip of a support arm (16) slidably supported by the guide lot (11).
In a), a rivet (17) is fixed, and a link (19) rotatable around a support shaft (18) protruding from the case (1) is provided in the transmission case (1),
One end of the link (19) was connected to the support arm (16) and the other end was connected to the shift piece (5a) of the operating member (5).

図面で(6b′)はオイルスクレーパ(6′)の掻取
片、(6c′)はそのオイル受け片を示す。
In the drawing, (6b ') indicates a scraping piece of the oil scraper (6'), and (6c ') indicates the oil receiving piece.

尚、オイルスクレーパ(6)(6′)に入力ギヤ(2
a)から飛散されるオイルを捕集する突片を第3図で仮
想線で示すように設けても良い。
The input gear (2) is connected to the oil scrapers (6) and (6 ').
Protrusions for collecting oil scattered from a) may be provided as shown by phantom lines in FIG.

次に第2実施例の作用を説明する。 Next, the operation of the second embodiment will be described.

先ず、前進用超低速ギヤ列GSFを確立すべく操作部材
(5)を第5図で仮想線で示す中立位置から実線で示す
前進位置に操作すれば、これに連動してシフトピース
(5a)に取付けた第1のオイルスクレーパ(6)が左方
に移動されて、掻取片(6b)が仮想線で示す非接触状態
から入力ギヤ(2a)のリム部側面に当接した状態(実線
図示の状態)となり、次いで前進することで入力ギヤ
(2a)が回動し、そのリム部側面に付着したオイルが掻
取片(6b)が掻取られてオイル受け片(6c)によりオイ
ル導入部材(7)の尾端部に導かれ、これがオイル導入
部材(7)の先端部から透孔(15)を通ってギヤケース
(3)内に導入される。
First, by operating the operating member to establish a forward ultra low gear train G SF (5) from the neutral position shown in phantom in FIG. 5 to the forward position indicated by solid lines, in conjunction with each shift piece thereto (5a 1), the first oil scraper (6) is moved to the left, and the scraper (6b) is brought into contact with the side surface of the rim portion of the input gear (2a) from the non-contact state shown by the imaginary line ( The input gear (2a) is rotated by moving forward, and the oil adhering to the side surface of the rim is scraped off by the scraping piece (6b), and the oil is received by the oil receiving piece (6c). The oil is guided to the tail end of the introduction member (7), and is introduced into the gear case (3) from the tip of the oil introduction member (7) through the through hole (15).

操作部材(5)の中立位置からの前進位置への操作に
連動してリンク(19)が第5図で反時計方向に回動さ
れ、支持アーム(16)がガイドロッド(11)に沿って右
方に移動される。
The link (19) is rotated counterclockwise in FIG. 5 in conjunction with the operation of the operating member (5) from the neutral position to the forward position, and the support arm (16) moves along the guide rod (11). Moved to the right.

又、後進用超低速ギヤ列GSRを確立すべく操作部材
(5)を中立位置から後進位置に操作すれば、これに連
動してリンク(19)が計時方向に回動され支持アーム
(16)がガイドロッド(11)に沿って左方に移動され
て、第2のオイルスクレーパ(6′)の掻取片(6b′)
が非接触状態から入力ギヤ(2a)のリム部側面に当接し
た状態(第6図示の状態)となり、次いで後退すること
で入力ギヤ(2a)が回動し、そのリム部側面のオイルが
掻取片(6b′)で掻取られ、これがオイル受け片(6
c′)からオイル導入部材(7)を介してギヤケース
(3)内に導入される。
When the operating member (5) is operated from the neutral position to the reverse position in order to establish the reverse super low speed gear train GSR , the link (19) is rotated in the clockwise direction in conjunction with this operation, and the support arm (16) is rotated. ) Is moved to the left along the guide rod (11), and the scrap (6b ') of the second oil scraper (6') is moved.
Is brought into contact with the side surface of the rim portion of the input gear (2a) from the non-contact state (the state shown in FIG. 6). It is scraped off by the scraper (6b ') and this is
c ′) is introduced into the gear case (3) via the oil introduction member (7).

又、操作部材(5)を前後進各切換位置から中立位置
に戻せばこれに連動して各オイルスクレーパ(6)
(6′)は入力ギヤ(2a)から離間した状態となり、通
常のギヤ列G1、G2、G3、G4 GRでの走行時にはオイルス
クレーパ(6)(6′)は入力ギヤに当接しない。
When the operating member (5) is returned from the forward / reverse switching position to the neutral position, each of the oil scrapers (6)
(6 ') is in a state of being separated from the input gear (2a), normal gear train G 1, G 2, G 3 , G 4 oil scraper during running at G R (6) (6') is the input gear Do not abut.

(発明の効果) 本発明は、上記の如く構成したので以下の如き効果を
奏する。
(Effects of the Invention) The present invention has the following effects because it is configured as described above.

請求項1の発明によれば、ディファレンシャルギヤの
入力ギヤで掻き上げられるオイル量が少なくなる超低速
ギヤ列での走行時に、入力ギヤに付着するオイルを掻き
取ってこれをギヤケース内に導入でき、従って超低速ギ
ヤ列の潤滑油不足を解消でき、又操作部材が中立位置に
存するとき従って通常のギヤ列での走行時にはオイルス
クレーパが入力ギヤから離間しているため、入力ギヤと
の摺接によるオイルスクレーパの摩耗を抑制できオイル
スクレーパの耐久性が向上する効果を有する。
According to the invention of claim 1, when traveling in an ultra-low speed gear train in which the amount of oil scraped up by the input gear of the differential gear is reduced, oil adhering to the input gear can be scraped and introduced into the gear case, Therefore, it is possible to eliminate the shortage of lubricating oil in the ultra-low speed gear train, and because the oil scraper is separated from the input gear when the operating member is in the neutral position and therefore when traveling in the normal gear train, the oil scraper is in sliding contact with the input gear. This has the effect of suppressing wear of the oil scraper and improving the durability of the oil scraper.

又、請求項2の発明によれば、使用頻度が多く比較的
長時間使用される前進用超低速ギヤ列での走行時に、ギ
ヤケース内にオイルを導入でき、従って超低速前進時に
おける潤滑油不足を解消できる効果を有する。
According to the second aspect of the present invention, oil can be introduced into the gear case when traveling in the forward low-speed gear train that is frequently used and used for a relatively long time. Has the effect that can be eliminated.

請求項3の発明によれば後進用超低速ギヤ列での走行
時にもギヤケース内にオイルを導入でき潤滑油不足を解
消できる効果を有する。
According to the third aspect of the present invention, the oil can be introduced into the gear case even when the vehicle travels in the reverse low-speed gear train, and the lubricating oil shortage can be eliminated.

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

第1図は本発明装置を具備する車両用変速機の1例を示
す平面線図、第2図はその要部の拡大截断平面図、第3
図は要部の截断背面図、第4図は第3図のIV−IV線截断
側面図、第5図は他の実施例を示す要部の截断平面図、
第6図はその作動状態を示す截断平面図である。 (1)……ミッションケース (2)……ディファレンシャルギヤ (2a)……入力ギヤ (3)……ギヤケース (4)……クラッチ機構 (5)……操作部材 (6)(6′)……オイルスクレーパ (7)……オイル導入部材 G1、G2、G3、G4、GR……ギヤ列 GSF……前進用超低速ギヤ列(超低速ギヤ列) GSR……後進用超低速ギヤ列(超低速ギヤ列)
FIG. 1 is a plan view showing an example of a vehicular transmission equipped with the device of the present invention, FIG. 2 is an enlarged plan view of an essential part thereof, and FIG.
FIG. 4 is a sectional rear view of a main part, FIG. 4 is a side view cut along the line IV-IV of FIG. 3, FIG. 5 is a plan view of a main part showing another embodiment,
FIG. 6 is a cutaway plan view showing the operating state. (1) Mission case (2) Differential gear (2a) Input gear (3) Gear case (4) Clutch mechanism (5) Operating member (6) (6 ′) oil scraper (7) .... oil introducing member G 1, G 2, G 3 , G 4, G R ...... gear train G SF ... forward ultra low gear train (ultra low speed gear train) G SR .... for reverse Ultra-low gear train (ultra-low gear train)

───────────────────────────────────────────────────── フロントページの続き (72)発明者 中野 和宏 埼玉県和光市中央1丁目4番1号 株式 会社本田技術研究所内 (56)参考文献 特開 昭60−60034(JP,A) ──────────────────────────────────────────────────続 き Continuation of the front page (72) Inventor Kazuhiro Nakano 1-4-1 Chuo, Wako-shi, Saitama Pref. Honda Technical Research Institute Co., Ltd.

Claims (3)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】複数のギヤ列とディファレンシャルギヤと
を収納するミッションケースに、超低速ギヤ列を収納し
たギヤケースを組付けて成る車両用変速機において、該
ミッションケース内に、前記超低速ギヤ列を確立するク
ラッチ機構の操作部材と、該クラッチ機構をニュートラ
ル状態とする該操作部材の中立位置からの切換操作に連
動して前記ディファレンシャルギヤの入力ギヤの側面に
当接するオイルスクレーパとを設けると共に、該ミッシ
ョンケース内に、該オイルスクレーパで掻き取ったオイ
ルを前記ギヤケース内に導入するオイル導入部材を設け
たことを特徴とする車両用変速機の潤滑装置。
1. A vehicular transmission comprising a transmission case housing a plurality of gear trains and a differential gear and a gear case housing an ultra-low speed gear train, wherein the transmission case includes an ultra-low speed gear train. An operating member of a clutch mechanism for establishing the clutch mechanism, and an oil scraper that abuts on a side surface of the input gear of the differential gear in conjunction with a switching operation from a neutral position of the operating member for bringing the clutch mechanism into a neutral state, A lubricating device for a vehicle transmission, wherein an oil introduction member for introducing oil scraped by the oil scraper into the gear case is provided in the transmission case.
【請求項2】前記超低速ギヤ列として前進用超低速ギヤ
列と後進用超低速ギヤ列とを備える請求項1記載の車両
用変速機において、前記オイルスクレーパを前記操作部
材の前進側への切換操作に連動して前記入力ギヤの側面
に当接するように構成したことを特徴とする車両用変速
機の潤滑装置。
2. The vehicle transmission according to claim 1, further comprising a forward ultra-low speed gear train and a reverse ultra-low speed gear train as said ultra-low speed gear train. A lubricating device for a vehicle transmission, wherein the lubricating device is configured to contact a side surface of the input gear in conjunction with a switching operation.
【請求項3】請求項2記載の車両用変速機において、前
記操作部材の後進側への切換操作に連動して前記入力ギ
ヤの側面に当接する第2のオイルスクレーパを設けたこ
とを特徴とする車両用変速機の潤滑装置。
3. A vehicle transmission according to claim 2, further comprising a second oil scraper that abuts on a side surface of said input gear in conjunction with a switching operation of said operating member to a reverse position. Lubrication system for vehicle transmissions.
JP63108332A 1988-04-30 1988-04-30 Lubrication device for vehicle transmission Expired - Lifetime JP2598299B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP63108332A JP2598299B2 (en) 1988-04-30 1988-04-30 Lubrication device for vehicle transmission

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63108332A JP2598299B2 (en) 1988-04-30 1988-04-30 Lubrication device for vehicle transmission

Publications (2)

Publication Number Publication Date
JPH01279166A JPH01279166A (en) 1989-11-09
JP2598299B2 true JP2598299B2 (en) 1997-04-09

Family

ID=14482012

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63108332A Expired - Lifetime JP2598299B2 (en) 1988-04-30 1988-04-30 Lubrication device for vehicle transmission

Country Status (1)

Country Link
JP (1) JP2598299B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5336287B2 (en) * 2009-07-27 2013-11-06 株式会社ニフコ Lubricating oil collection guide

Also Published As

Publication number Publication date
JPH01279166A (en) 1989-11-09

Similar Documents

Publication Publication Date Title
US4290318A (en) Operating mechanism of a transfer unit
EP1544510B1 (en) Structure of lubricating differential apparatus
US5335562A (en) Multi-speed rear wheel drive transmission with reduced in-neutral gear rattle
GB2428453A (en) Dual Input Automatic Transaxle
EP0961055A2 (en) Shift rail and fork support assembly for a vehicular transmission
JP2598299B2 (en) Lubrication device for vehicle transmission
US7041025B2 (en) Manual transmission for four-wheel drive vehicle
JPH0596617U (en) Mission case
US20230249545A1 (en) Work vehicle and power take-off apparatus for the same
US3365783A (en) Method of replacing a clutch gear bearing
JP2533554Y2 (en) Four-wheel drive
JPS6332456Y2 (en)
JP4464512B2 (en) Transmission device for work vehicle
US20080087125A1 (en) Transmission System
GB2165324A (en) Select/shift mechanism for change speed gearing
JP2785374B2 (en) Transaxle lubrication system
KR200156594Y1 (en) Shift finger device for a car
JPS5941868Y2 (en) Lubricating devices for agricultural tractors, etc.
JPS5912445Y2 (en) Automotive transmission lubrication system
KR100279989B1 (en) 3/4 stage lubrication structure of manual transmission
JPS6231730Y2 (en)
JPH10103419A (en) Transmission with auxiliary transmission
JPH0645083Y2 (en) Power transmission device for agricultural tractor
JPS6131573Y2 (en)
JP2001153224A (en) Shift yoke structure of manual transmission