JP2789141B2 - Lubrication device for gear type transmission - Google Patents

Lubrication device for gear type transmission

Info

Publication number
JP2789141B2
JP2789141B2 JP3255874A JP25587491A JP2789141B2 JP 2789141 B2 JP2789141 B2 JP 2789141B2 JP 3255874 A JP3255874 A JP 3255874A JP 25587491 A JP25587491 A JP 25587491A JP 2789141 B2 JP2789141 B2 JP 2789141B2
Authority
JP
Japan
Prior art keywords
partition
gear
partition wall
wall
chamber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP3255874A
Other languages
Japanese (ja)
Other versions
JPH0571616A (en
Inventor
剛 前田
浩利 小山
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.)
Hino Motors Ltd
Original Assignee
Hino Jidosha Kogyo KK
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 Hino Jidosha Kogyo KK filed Critical Hino Jidosha Kogyo KK
Priority to JP3255874A priority Critical patent/JP2789141B2/en
Publication of JPH0571616A publication Critical patent/JPH0571616A/en
Application granted granted Critical
Publication of JP2789141B2 publication Critical patent/JP2789141B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F16H57/0447Control of lubricant levels, e.g. lubricant level control dependent on temperature
    • 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
    • F16H57/0434Features relating to lubrication or cooling or heating relating to lubrication supply, e.g. pumps ; Pressure control
    • F16H57/0445Features relating to lubrication or cooling or heating relating to lubrication supply, e.g. pumps ; Pressure control for supply of different gearbox casings or sections
    • 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
    • F16H57/045Lubricant storage reservoirs, e.g. reservoirs in addition to a gear sump for collecting lubricant in the upper part of a gear case
    • F16H57/0453Section walls to divide a gear sump
    • 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
    • F16H57/048Type of gearings to be lubricated, cooled or heated
    • F16H57/0493Gearings with spur or bevel gears
    • F16H57/0494Gearings with spur or bevel gears with variable gear ratio or for reversing rotary motion

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Details Of Gearings (AREA)

Description

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

【0001】[0001]

【産業上の利用分野】この発明は自動車における歯車式
変速機の変速機箱内の潤滑油の循環に関し、油面バラン
ス改善により油温低下を図るものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the circulation of lubricating oil in a transmission box of a gear type transmission in a motor vehicle, and more particularly to a reduction in oil temperature by improving oil level balance.

【0002】[0002]

【従来の技術】従来の歯車式変速機の潤滑装置として
は、実公昭57−30526号公報に記載された考案が
あり、これは変速機箱底部の潤滑油を歯車群によつて掻
き上げるようにした潤滑装置において、掻き上げ油量が
比較的多い歯車列の近傍位置の変速機箱内壁に油受け口
を形成し、この油受け口に接続する油路の出口を油受け
口より低位で、かつ掻き上げ油量が比較的少ない歯車列
の近傍の変速機箱内壁に臨ませた構成となつている。
2. Description of the Related Art As a conventional lubricating device for a gear type transmission, there is a device described in Japanese Utility Model Publication No. 57-30526, which lubricates the lubricating oil at the bottom of the transmission box by a group of gears. In the lubricating device described above, an oil receiving port is formed in the inner wall of the transmission box near the gear train having a relatively large amount of scraping oil, and an outlet of an oil passage connected to the oil receiving port is lower than the oil receiving port, and The structure is such that it faces the inner wall of the transmission box near the gear train having a relatively small amount.

【0003】[0003]

【発明が解決しようとする課題】上記の構成は登坂時又
は降坂時における油面の変動を補なうための構成であ
り、平坦な高速道路を高速で走行する場合の油温上昇の
問題は考慮されていない。特に上記構成であると、6段
若しくは7段の変速機で、6速用の歯車列又は6速若し
くは7速の歯車列が副室内にある複式の変速機において
は、副室の油温が高速走行時に上昇することを防止でき
ないという問題があつた。
The above configuration is intended to compensate for fluctuations in the oil level when climbing up or downhill, and there is a problem in that the oil temperature rises when the vehicle travels on a flat highway at high speed. Is not taken into account. In particular, with the above configuration, in a six- or seven-speed transmission, in a double-speed transmission in which a sixth-speed gear train or a sixth- or seventh-speed gear train is located in the sub-chamber, the oil temperature in the sub-chamber is reduced. There was a problem that it was not possible to prevent climbing during high-speed driving.

【0004】[0004]

【課題を解決するための手段】ここにおいてこの発明
は、上述のような歯車式変速機の内壁に、歯車群によつ
て掻き上げられた潤滑油を変速機箱の前方から後方へま
た後方から前方へ循環させる循環路を形成した潤滑装置
において、前記変速機箱が隔壁によつて隔てられた主室
と副室とを備える複変速機箱であつて、主室の底壁に前
記歯車群のうち、カウンタシヤフト側の歯車径が小さい
歯車列が配設されている範囲を仕切る第1、第2の仕切
壁を立設し、前記主室及び副室の外端側の上部から下降
状に前記内壁に形成した循環路のうち、前者の下端を前
記隔壁とこの隔壁の側の仕切壁との間に開口させ、後者
の下端を前記両仕切板の間に開口させ、かつ前記劃壁の
下部に主室と副室とを連通させる絞り通路を設けてなる
歯車式変速機の潤滑装置を提案するものである。
According to the present invention, lubricating oil scooped up by a group of gears is applied to the inner wall of the above-described gear type transmission from the front to the rear of the transmission box and from the rear to the front. In a lubricating device having a circulation path for circulation, the transmission box is a double transmission box including a main chamber and a sub-chamber separated by a partition, and the gear group is formed on a bottom wall of the main chamber. First and second partition walls partitioning a range where a gear train with a small gear diameter on the countershaft side are disposed are provided upright, and the inner wall descends from upper portions of outer end sides of the main chamber and the sub chamber. The lower end of the former is opened between the partition and the partition wall on the side of the partition, the lower end of the latter is opened between the two partition plates, and the main chamber is formed at the lower part of the partition wall. Lubrication of a gear type transmission provided with a throttle passage communicating between the gearbox and the sub-chamber It is intended to propose a location.

【0005】[0005]

【作用】この発明の潤滑装置において、油温が最も高い
副室内の油を、最も油温が低い主室のカウタンタシヤフ
ト側の歯車径が小さい歯車列の中央部分の第1と第2の
仕切壁で仕切られた範囲に循環させて油温を下げ、この
油温の低下した油を、外壁と第1の仕切壁との間に送つ
て、大きな歯車でかき上げて循環路を経て第2の仕切壁
と隔壁の間に送り、隔壁に設けた絞り穴から副室へ送
り、かつ絞り穴径を適当に選定することにより副室へ余
分の油が送りこまれないようにすることにより、変速機
全体の油温の上昇を防止するものである。
In the lubricating apparatus according to the present invention, the oil in the sub-chamber having the highest oil temperature is supplied to the first and second central portions of the gear train having a smaller gear diameter on the countershaft side of the main chamber having the lowest oil temperature. The oil temperature is lowered by circulating the oil in the area partitioned by the partition wall, and the oil having the lowered oil temperature is sent between the outer wall and the first partition wall, and is lifted up by a large gear to pass through the circulation path. 2 between the partition wall and the partition wall, from the throttle hole provided in the partition wall to the sub-chamber, and by appropriately selecting the diameter of the throttle hole, by preventing excess oil from being sent to the sub-chamber, This prevents the oil temperature of the entire transmission from rising.

【0006】[0006]

【実施例】次にこの発明を図1ないし図4に示す実施例
にしたがつて詳細に説明する。先ず図2によつて、7段
の複変速機の歯車群の配列例を検討すると、上部のメイ
ンシヤフト1と下部のカウンタシヤフト2との間に、1
段ないし7段及びリバ−スの各歯車列3ないし10が装
着されており、主室11内の中央部の歯車列4,5,
6,10のカウンタシヤフト2側の歯車は、歯車径が比
較的小さい。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, the present invention will be described in detail with reference to the embodiments shown in FIGS. First, referring to FIG. 2, an example of the arrangement of the gear group of the seven-stage compound transmission will be described.
Each of the gear trains 3 to 10 of the first to seventh gears and the reverse is mounted, and the gear trains 4, 5, 5,
The gears 6 and 10 on the countershaft 2 side have relatively small gear diameters.

【0007】この発明では、これらカウンタシヤフト2
側の歯車径が比較的小さい範囲の歯車列4,5,6,1
0が配設されている範囲において、変速機箱12の底壁
13に、第1の仕切壁14と第2の仕切壁15を立設
し、かつ第1の仕切壁14は第2の仕切壁15より低く
形成される。そして第1の仕切壁14と第2の仕切壁1
5で冷やされた油は、第1の仕切壁14を越えて、クラ
ツチハウジング22側に流れ循環する。なお歯車列8,
9が配設されている副室16と主室11との間の隔壁1
7の下部には、副室16内に余分な油が流入しないよう
に絞り通路18を設けるのである。これにより副室16
内の余分な温度上昇を防止している。
In the present invention, these counter shafts 2
Gear trains 4, 5, 6, 1 in a range where the gear diameter on the side is relatively small
0, a first partition wall 14 and a second partition wall 15 are erected on the bottom wall 13 of the transmission box 12, and the first partition wall 14 is a second partition wall. It is formed lower than 15. Then, the first partition wall 14 and the second partition wall 1
The oil cooled in 5 flows to the clutch housing 22 side over the first partition wall 14 and circulates. The gear train 8,
Partition wall 1 between sub-chamber 16 in which 9 is disposed and main chamber 11
A throttle passage 18 is provided in the lower part of the pipe 7 so that excess oil does not flow into the sub-chamber 16. Thereby, the sub-chamber 16
Prevents excessive temperature rise inside.

【0008】上記歯車群が配設されている変速機箱12
の内壁19に、図1に示すように樋状の循環路20,2
1を設けるのであつて、一方の循環路20は、主室11
の外端側(クラツチハウジング22側)の上部から、前
記第2の仕切壁15と隔壁17との間に向けて、下降状
に形成し、他方の循環路21は、副室16の外端側の上
部から前記第1の仕切壁14と第2の仕切壁15によつ
て仕切られた範囲に向けて、下降状に形成するのであ
る。
[0008] The transmission box 12 in which the gear group is arranged
As shown in FIG. 1, gutter-shaped circulation paths 20 and 2
And one of the circulation paths 20 is provided with the main chamber 11.
Is formed downward from the upper end on the outer end side (the clutch housing 22 side) between the second partition wall 15 and the partition wall 17, and the other circulation path 21 is formed at the outer end of the sub-chamber 16. It is formed in a downward shape from the upper part on the side toward a range partitioned by the first partition wall 14 and the second partition wall 15.

【0009】変速機箱12の内箱に、図3に示すように
一体的に鋳込まれる前記循環路20,21の下降端部に
おいては、必然的に交叉する部分が生ずるが、この部分
には、図4に示すように循環路21に内方へ膨出する迂
回路22を設け、循環路20にはその端部に障壁23を
設け、その下方に開口24を設けて処理する。
As shown in FIG. 3, at the lower end of the circulation paths 20, 21, which are integrally cast into the inner box of the transmission box 12, there is inevitably formed an intersecting portion. As shown in FIG. 4, a bypass 22 is provided in the circulation path 21 so as to protrude inward, a barrier 23 is provided at the end of the circulation path 20, and an opening 24 is provided below the bypass 23 for processing.

【0010】上述の構成において、主室11の前側の歯
車が掻き上げた潤滑油の一部は、循環路20を通つて第
2の仕切壁15と隔壁17との間に送られ、また副室1
6内の歯車が掻き上げた潤滑油は、循環路21を通つ
て、第1の仕切壁14と第2の仕切壁15により仕切ら
れた油温の低い範囲に送られ、かようにして変速機箱1
2の内部で、潤滑油が前から後へ、後から前へと循環さ
せることで、変速機箱12内の油面バランスを良好に
し、かつ油温の高い油を一旦油温の低い第1の仕切壁1
4と第2の仕切壁15との間に溜めて、温度を下げてか
ら、第1の仕切壁14と主室11とクラツチハウジング
22の隔壁17との間に送り、ここでカウンタシヤフト
2のギヤ7により掻き上げるようにすることにより、潤
滑油全体の油温上昇を押さえることができる。
In the above configuration, a part of the lubricating oil scraped by the gear on the front side of the main chamber 11 is sent between the second partition wall 15 and the partition wall 17 through the circulation path 20, and Room 1
The lubricating oil scooped up by the gears in 6 passes through the circulation path 21 and is sent to the low oil temperature range partitioned by the first partition wall 14 and the second partition wall 15, thus shifting the speed. Machine box 1
2, the lubricating oil is circulated from front to back and from back to front to improve the oil level balance in the transmission box 12 and to remove the oil having a high oil temperature once from the first oil having a low oil temperature. Partition wall 1
After being collected between the first partition wall 14 and the second partition wall 15 to reduce the temperature, it is fed between the first partition wall 14, the main chamber 11 and the partition wall 17 of the clutch housing 22, where the counter shaft 2 By raising the gear by the gear 7, an increase in the oil temperature of the entire lubricating oil can be suppressed.

【0011】[0011]

【発明の効果】この発明は主室と副室からなる歯車式変
速機において、油温の高い所と油温の低い所があるとこ
ろに着目して、上記の構成にしたことにより、歯車変速
機箱内の潤滑油を循環させ、オイルク−ラを用いること
なく、油温の上昇を防止したものである。
According to the present invention, a gear transmission having a main chamber and a sub-chamber is provided with the above-mentioned structure by focusing on a place where the oil temperature is high and a place where the oil temperature is low. The lubricating oil in the machine box is circulated to prevent the oil temperature from rising without using an oil cooler.

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

【図1】この発明の装置の側断面図である。FIG. 1 is a side sectional view of the device of the present invention.

【図2】変速機箱内の歯車群の配列状況を示す断面図で
ある。
FIG. 2 is a cross-sectional view showing an arrangement of gear groups in a transmission box.

【図3】図1のA矢視縮小図である。FIG. 3 is a reduced view taken in the direction of arrow A in FIG. 1;

【図4】図1のB矢視図である。FIG. 4 is a view on arrow B in FIG. 1;

【符号の説明】[Explanation of symbols]

2 カウンタシヤフト 11 主室 12 変速機構 13 底壁 14,15 仕切壁 16 副室 17 隔壁 18 絞り通路 20,21 循環路 2 Countershaft 11 Main chamber 12 Transmission mechanism 13 Bottom wall 14, 15 Partition wall 16 Sub-chamber 17 Partition wall 18 Throttle passage 20, 21 Circulation path

───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.6,DB名) F16H 57/04 F16H 57/02──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. 6 , DB name) F16H 57/04 F16H 57/02

Claims (2)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】 歯車式変速機の内壁に、歯車群によつて
掻き上げられた潤滑油を変速機箱の前方から後方へまた
後方から前方へ循環させる循環路を形成した潤滑装置に
おいて、前記変速機箱が隔壁によつて隔てられた主室と
副室とを備える複変速機箱であつて、主室の底壁に前記
歯車群のうち、カウンタシヤフト側の歯車径が小さい歯
車列が配設されている範囲を仕切る第1の仕切壁と第2
の仕切壁を立設し、前記主室及び副室の外端側の上部か
ら下降状に前記内壁に形成した循環路のうち、前者の下
端を前記隔壁とこの隔壁の側の仕切壁との間に開口さ
せ、後者の下端を前記両仕切板の間に開口させ、かつ前
記隔壁の下部に主室と副室とを連通させる絞り通路を設
けてなる歯車式変速機の潤滑装置。
1. A lubricating device having a circulation path formed on an inner wall of a gear type transmission for circulating lubricating oil scooped up by a gear group from front to rear and from rear to front of a transmission box. A gearbox including a main chamber and a subchamber in which a machine box is separated by a partition, wherein a gear train having a small gear diameter on the countershaft side of the gear group is disposed on a bottom wall of the main chamber. The first partition and the second partition that partition the area
Of the circulation path formed on the inner wall in a descending manner from the upper end on the outer end side of the main chamber and the sub-chamber, the lower end of the former is formed by the partition wall and the partition wall on the side of the partition wall. A lubricating device for a gear-type transmission, wherein the lubricating device is provided with an opening between the partition plates, a lower end of the latter being opened between the partition plates, and a throttle passage for communicating the main chamber and the sub-chamber below the partition.
【請求項2】 前記第1の仕切壁は第2の仕切壁より低
く構成されていることを特徴とする請求項1記載の歯車
式変速機の潤滑装置。
2. The lubricating device for a gear type transmission according to claim 1, wherein said first partition wall is formed lower than said second partition wall.
JP3255874A 1991-09-09 1991-09-09 Lubrication device for gear type transmission Expired - Fee Related JP2789141B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3255874A JP2789141B2 (en) 1991-09-09 1991-09-09 Lubrication device for gear type transmission

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3255874A JP2789141B2 (en) 1991-09-09 1991-09-09 Lubrication device for gear type transmission

Publications (2)

Publication Number Publication Date
JPH0571616A JPH0571616A (en) 1993-03-23
JP2789141B2 true JP2789141B2 (en) 1998-08-20

Family

ID=17284771

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3255874A Expired - Fee Related JP2789141B2 (en) 1991-09-09 1991-09-09 Lubrication device for gear type transmission

Country Status (1)

Country Link
JP (1) JP2789141B2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4414164A1 (en) * 1994-04-22 1995-10-26 Zahnradfabrik Friedrichshafen Gear housing
JP4771517B2 (en) * 2005-04-26 2011-09-14 トヨタ自動車株式会社 Lubricating device in vehicle power transmission device
JP2011064211A (en) * 2009-09-15 2011-03-31 Aisin Ai Co Ltd Transmission
JP6551219B2 (en) * 2015-12-24 2019-07-31 アイシン・エィ・ダブリュ株式会社 Oil receiver and method for manufacturing oil receiver
JP2017215018A (en) * 2016-06-02 2017-12-07 愛知機械工業株式会社 Change gear

Also Published As

Publication number Publication date
JPH0571616A (en) 1993-03-23

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