JPH0439063Y2 - - Google Patents

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Publication number
JPH0439063Y2
JPH0439063Y2 JP1987094967U JP9496787U JPH0439063Y2 JP H0439063 Y2 JPH0439063 Y2 JP H0439063Y2 JP 1987094967 U JP1987094967 U JP 1987094967U JP 9496787 U JP9496787 U JP 9496787U JP H0439063 Y2 JPH0439063 Y2 JP H0439063Y2
Authority
JP
Japan
Prior art keywords
storage chamber
lubricating oil
wheel
chamber
switching mechanism
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
Application number
JP1987094967U
Other languages
Japanese (ja)
Other versions
JPS63202522U (en
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
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Priority to JP1987094967U priority Critical patent/JPH0439063Y2/ja
Publication of JPS63202522U publication Critical patent/JPS63202522U/ja
Application granted granted Critical
Publication of JPH0439063Y2 publication Critical patent/JPH0439063Y2/ja
Expired legal-status Critical Current

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  • Arrangement And Driving Of Transmission Devices (AREA)
  • General Details Of Gearings (AREA)

Description

【考案の詳細な説明】 (産業上の利用分野) 本考案はトランスフア装置に関する。[Detailed explanation of the idea] (Industrial application field) The present invention relates to a transfer device.

(従来技術) 一般にこの種のトランスフア装置は、例えば特
開昭55−11961公報に示されているごとく、2輪
駆動と4輪駆動とを選択する2・4輪切換機構
と、4輪駆動時にのみ駆動させる例えば前輪への
出力伝達機構とを備え、これら各機構をトランス
フアケース内に収容する一方、前記トランスフア
ケースの内底部に潤滑油の貯留部を設け、前記各
機構の駆動に伴い、前記貯留部に貯留した潤滑油
を跳ね上げて、各機構の潤滑部位に潤滑油を供給
するようにしている。
(Prior art) Generally, this type of transfer device has a 2/4 wheel switching mechanism for selecting between 2 wheel drive and 4 wheel drive, and a 4 wheel drive system, as shown in Japanese Patent Application Laid-Open No. 55-11961, for example. For example, each of these mechanisms is housed in a transfer case, and a lubricating oil reservoir is provided at the inner bottom of the transfer case, and a lubricating oil storage part is provided at the inner bottom of the transfer case to enable the drive of each of the mechanisms. Accordingly, the lubricating oil stored in the storage section is splashed up to supply lubricating oil to the lubricated parts of each mechanism.

ところで以上のトランスフア装置にあつては、
前記動力伝達機構が前記2・4輪切換機構よりも
低位に配置されるのが一般的であるが、斯くのご
とく前記出力伝達機構と前記2・4輪切換機構と
に配置高さが異なる場合、例えば高位置に配置す
る2・4輪切換機構に合わせて潤滑油のオイルレ
ベルを設定すると、前記出力伝達機構側ではオイ
ル過多となつて、該出力伝達機構における潤滑油
の撹拌が必要以上に行われて、動力損失が増大す
るのであつて、一方、低位置に配置する出力伝達
機構に合わせて潤滑油のオイルレベルを設定する
と、この出力伝達機構では効率の良いオイル撹拌
が行われる反面、前記2・4輪切換機構ではオイ
ルレベルの低下により潤滑不足となる不具合があ
る。
By the way, regarding the above transfer device,
Generally, the power transmission mechanism is arranged at a lower level than the 2/4 wheel switching mechanism, but when the output transmission mechanism and the 2/4 wheel switching mechanism are arranged at different heights, For example, if the oil level of lubricating oil is set according to the 2/4-wheel switching mechanism located at a high position, there will be too much oil on the output transmission mechanism side, and the agitation of the lubricating oil in the output transmission mechanism will be more than necessary. On the other hand, if the oil level of the lubricating oil is set to match the output transmission mechanism located at a low position, this output transmission mechanism will perform efficient oil agitation. The above two-wheel/four-wheel switching mechanism has a problem of insufficient lubrication due to a drop in the oil level.

本考案は以上の実情に鑑みて開発したもので、
目的とするところは、不必要な動力損失を招くこ
となく、しかも前記2・4輪切換機構及び出力伝
達機構のいずれをも確実に潤滑することの出来る
トランスフアの潤滑装置を提供するにある。
This invention was developed in view of the above circumstances.
It is an object of the present invention to provide a transfer lubrication device that can reliably lubricate both the two- and four-wheel switching mechanisms and the output transmission mechanism without causing unnecessary power loss.

(問題点を解決するための手段) しかして本考案は、2輪駆動と4輪駆動とを選
択する2・4輪切換機構Aと、4輪駆動時にのみ
駆動させる駆動輪への出力伝達機構Bとを備えた
トランスフア装置において、前記2・4輪切換機
構Aを第1収容室2に収容すると共に、前記出力
伝達機構Bを、潤滑油貯留部30が前記第1収容
室2の潤滑貯留部20よりも低くした第2収容室
3に収容する一方、前記第1収容室2と第2収容
室3との間に、前記第1収容室2側の潤滑油貯留
部20と前記第2収容室3側の潤滑油貯留部30
との連通を遮断する仕切り壁11を設けたことを
特徴とするものである。
(Means for Solving the Problems) The present invention has a 2/4 wheel switching mechanism A that selects between 2 wheel drive and 4 wheel drive, and an output transmission mechanism to drive wheels that is driven only when 4 wheel drive is in progress. In the transfer device, the two-wheel/four-wheel switching mechanism A is housed in the first housing chamber 2, and the output transmission mechanism B is stored in the first housing chamber 2 by a lubricating oil reservoir 30. The lubricating oil reservoir 20 on the side of the first housing chamber 2 and the lubricating oil reservoir 20 on the side of the first housing chamber 2 are stored between the first housing chamber 2 and the second housing chamber 3. Lubricating oil reservoir 30 on the 2 storage chamber 3 side
This is characterized by the provision of a partition wall 11 that blocks communication with the.

(作用) 本考案によれば、前記2・4輪切換機構A及び
出力伝達機構Bが、それぞれ独立した第1、第2
収容室2,3に収容されるので、前記各機構A,
Bに適した量の潤滑油を前記各収容室2,3の潤
滑油貯留部20,30にそれぞれ貯留して、各機
構A,Bを効率よく潤滑することが出来るのであ
る。
(Function) According to the present invention, the two-wheel/four-wheel switching mechanism A and the output transmission mechanism B each have independent first and second
Since it is accommodated in the accommodation chambers 2 and 3, each of the mechanisms A,
By storing an amount of lubricating oil suitable for B in the lubricating oil reservoirs 20 and 30 of each of the storage chambers 2 and 3, it is possible to efficiently lubricate each mechanism A and B.

(実施例) 以下本考案にかかるトランスフア装置を図面に
示す実施例に従つて説明する。
(Example) The transfer device according to the present invention will be described below according to an example shown in the drawings.

図に示すトランスフア装置は、2輪駆動と4輪
駆動とを選択する2・4輪切換機構Aと、4輪駆
動時にのみ駆動させる前輪への出力伝達機構B
と、ハイギヤとローギヤとを選択するハイ・ロー
切換機構Cとを備えたセンタースルー型のもので
あつて、後記のごとく形成したトランスフアケー
ス1内に収容されている。
The transfer device shown in the figure includes a 2/4-wheel switching mechanism A that selects between 2-wheel drive and 4-wheel drive, and an output transmission mechanism B that drives the front wheels only when 4-wheel drive is in progress.
It is a center-through type equipped with a high gear and a high/low switching mechanism C for selecting a high gear and a low gear, and is housed in a transfer case 1 formed as described later.

即ち前記トランスフアケース1内を第1、第2
仕切り壁11,12で仕切つて、前記2・4輪切
換機構Aを収容する第1収容室2と、前記出力伝
達機構Bを収容する第2収容室3と、前記ハイ・
ロー切換機構Cを収容する第3収容室4とを前記
ケース1内に独立して設けると共に、各収容室
2,3,4の内底部に高低差を設け、これら内底
部にそれぞれ潤滑油貯留部20,30,40を形
成している。
That is, the inside of the transfer case 1 is
They are divided by partition walls 11 and 12 into a first storage chamber 2 that accommodates the two-wheel/four-wheel switching mechanism A, a second storage chamber 3 that accommodates the output transmission mechanism B, and the high-speed
A third storage chamber 4 that accommodates the low switching mechanism C is provided independently in the case 1, and a height difference is provided at the inner bottom of each of the storage chambers 2, 3, and 4, and lubricating oil is stored in each of these inner bottoms. portions 20, 30, and 40 are formed.

図に示す実施例では、前記第2収容室3の潤滑
油貯留部30を前記第1、第3収容室2,4の潤
滑貯留部20,40よりも低い位置に設けると共
に、前記第1収容室2の潤滑油貯留部20を前記
第3収容室4の潤滑油貯留部40よりも高い位置
に設けている。
In the embodiment shown in the figure, the lubricating oil storage section 30 of the second storage chamber 3 is provided at a lower position than the lubricant storage sections 20, 40 of the first and third storage chambers 2, 4, and The lubricating oil storage section 20 of the chamber 2 is provided at a higher position than the lubricating oil storage section 40 of the third storage chamber 4.

そして前記ケース1の前記第3収容室4内にト
ランスミツシヨン(図示せず)から延びるインプ
ツトシヤフト5を軸受50を介して回転自由に支
持すると共に、前記第3収容室4から前記第2、
第1収容室3,2内にリヤアウトプツトシヤフト
6を、前記両仕切り壁11,12の貫通孔13,
14内周縁に組付けた軸受60a,60bを介し
て回転自由に支持しているのであつて、また前記
第1収容室2における前記インプツトシヤフト5
の下方にはカウンタシヤフト7を軸受70a,7
0bを介して回転自由に支持し、且つ前記第2収
容室3内における前記リヤアウトプツトシヤフト
6の下方にはフロントアウトプツトシヤフト8を
軸受80a,80bを介して回転自由に支持して
いる。
An input shaft 5 extending from a transmission (not shown) is rotatably supported in the third housing chamber 4 of the case 1 via a bearing 50, and an input shaft 5 is rotatably supported from the third housing chamber 4 to the second housing chamber 4. ,
The rear output shaft 6 is placed in the first accommodation chambers 3 and 2, and the through hole 13 of both the partition walls 11 and 12 is
The input shaft 5 in the first storage chamber 2 is supported rotatably via bearings 60a and 60b assembled on the inner peripheral edge of the input shaft 14.
Below the countershaft 7 are bearings 70a, 7.
0b, and a front output shaft 8 is rotatably supported below the rear output shaft 6 in the second storage chamber 3 via bearings 80a and 80b.

しかして前記第3収容室4内の前記インプツト
シヤフト5とリヤアウトプツトシヤフト6に、ハ
イ・ロー切換機構Cを設けているのであつて、具
体的には、前記インプツトシヤフト6に、前記カ
ウンタシヤフト7に設けた第1カウンタギヤ71
と噛合するインプツトローギヤ51を回転自由に
支持すると共に、ハイローシフトスリーブ52を
備えたハイロークラツチハブ53をスプライン嵌
合により組付けている。そして前記インプツトロ
ーギヤ51と前記リヤアウトプツトシヤフト6の
軸端部にクラツチギヤ54,61を一体形成する
一方、前記リヤアウトプツトシヤフト6の軸端部
には、前記カウンタシヤフト7に設けた第2カウ
ンタギヤ72と噛合するアウトプツトギヤ62を
一体形成している。
Therefore, the input shaft 5 and the rear output shaft 6 in the third storage chamber 4 are provided with a high/low switching mechanism C. First counter gear 71 provided on counter shaft 7
A high-low clutch hub 53 equipped with a high-low shift sleeve 52 is assembled by spline fitting. Clutch gears 54 and 61 are integrally formed at the shaft ends of the input low gear 51 and the rear output shaft 6, while clutch gears 54 and 61 are integrally formed at the shaft ends of the rear output shaft 6 with a second clutch gear provided on the countershaft 7. An output gear 62 that meshes with the counter gear 72 is integrally formed.

以上のハイ・ロー切換機構Cは前記スリーブ5
2を前記ハイロークラツチハブ53と前記リヤア
ウトプツトシヤフト6側のクラツチギヤ61とに
噛合させることでハイギヤに切換え、又前記スリ
ーブ52を前記ハイロークラツチハブ53と前記
インプツトローギヤ51側のクラツチギヤ54と
に噛合させることでローギヤに切換えるのであ
る。
The above high/low switching mechanism C is the sleeve 5.
2 is engaged with the high-low clutch hub 53 and the clutch gear 61 on the rear output shaft 6 side to switch to a high gear, and the sleeve 52 is engaged with the high-low clutch hub 53 and the clutch gear 54 on the input low gear 51 side. By engaging them, you can switch to low gear.

また前記第1収容室2内の前記リヤアウトプツ
トシヤフト6には、2・4輪切換機構Aを設けて
いるのであつて、具体的には、前記リヤアウトプ
ツトシヤフト6に、長さ方向一端が前記第1収容
室2に位置し他端が前記第2収容室3内に位置す
る中空シヤフト63を軸受63a,63bを介し
て回転自由に支持して、該中空シヤフト63の前
記第1収容室2側端部にクラツチギヤ64をスプ
ライン嵌合により組付ける一方、前記リヤアウト
プツトシヤフト6に2・4切換スリーブ65を備
えた2・4切換クラツチハブ66をスプライン嵌
合により組付け、前記2・4切換スリーブ65の
前記クラツチギヤ64との噛合によりトランスミ
ツシヨンから前記リヤアウトプツトシヤフト6に
伝達される動力を後記する出力伝達機構Bを介し
て前記フロントアウトプツトシヤフト8に伝達す
るように成している。
Further, the rear output shaft 6 in the first storage chamber 2 is provided with a 2/4 wheel switching mechanism A. is located in the first storage chamber 2 and the other end is located in the second storage chamber 3. The hollow shaft 63 is rotatably supported via bearings 63a and 63b, and the hollow shaft 63 is placed in the first storage chamber 3. A clutch gear 64 is assembled to the end of the chamber 2 by spline fitting, and a 2/4 switching clutch hub 66 equipped with a 2/4 switching sleeve 65 is assembled to the rear output shaft 6 by spline fitting. The power transmitted from the transmission to the rear output shaft 6 by the engagement of the four-switching sleeve 65 with the clutch gear 64 is transmitted to the front output shaft 8 via an output transmission mechanism B to be described later. ing.

一方、前記第2収容室3内の前記リヤアウトプ
ツトシヤフト6と前記フロントアウトプツトシヤ
フト8には、前記リヤアウトプツトシヤフト6に
出力される駆動力を前記フロントアウトプツトシ
ヤフト8に伝達する出力伝達機構Bを設けている
のであつて、具体的には、前記中空シヤフト63
における前記第2収容室3側端部にドライブスプ
ロケツト67を、また前記フロントアウトプツト
シヤフト8にドリブンスプロケツト81をそれぞ
れ一体形成すると共に、これら両スプロケツト6
7,81にチエン82を掛け渡している。
On the other hand, the rear output shaft 6 and the front output shaft 8 in the second storage chamber 3 are provided with an output transmission device for transmitting the driving force output to the rear output shaft 6 to the front output shaft 8. Mechanism B is provided, specifically, the hollow shaft 63
A drive sprocket 67 is integrally formed at the side end of the second accommodation chamber 3, and a driven sprocket 81 is integrally formed on the front output shaft 8.
Chain 82 is spanned between 7 and 81.

また図に示す実施例では、前記第1仕切り壁1
1における前記貫通孔13の内周縁と前記中空シ
ヤフト63の外周面との間にオイルシール9aを
介装して、前記第1収容室2と第2収容室3との
相互間のシール性能を高めている。
Further, in the embodiment shown in the figure, the first partition wall 1
1, an oil seal 9a is interposed between the inner peripheral edge of the through hole 13 and the outer peripheral surface of the hollow shaft 63 to improve the sealing performance between the first storage chamber 2 and the second storage chamber 3. It's increasing.

また前記第2仕切り壁12における前記第2収
容室3側に、前記リヤアウトプツトシヤフト6を
挿通する挿通孔15を備えた補助仕切り板16を
ボルト止めして、該補助仕切り板16により前記
第2仕切り壁12に形成した前記カウンタシヤフ
ト7の支持孔17周縁部位のシールを行うと共
に、前記挿通孔15の内周縁と前記リヤアウトプ
ツトシヤフト6に挿嵌した外筒68の外周面との
間にオイルシール9bを介装することで、前記第
2収容室3と第3収容室4との相互間のシール性
能を高めている。
Further, an auxiliary partition plate 16 having an insertion hole 15 through which the rear output shaft 6 is inserted is bolted to the second storage chamber 3 side of the second partition wall 12. 2. The peripheral edge of the support hole 17 of the countershaft 7 formed in the partition wall 12 is sealed, and the space between the inner peripheral edge of the insertion hole 15 and the outer peripheral surface of the outer cylinder 68 inserted into the rear output shaft 6 is sealed. By interposing an oil seal 9b therein, the sealing performance between the second storage chamber 3 and the third storage chamber 4 is improved.

尚図中91はスピードメータのウオーム、92
は該ウオーム91に噛合するウオームホイールで
ある。
In addition, 91 in the figure is the speedometer worm, 92
is a worm wheel that meshes with the worm 91.

又、93は前記第3収容室4と第1収容室2と
を連結する空気通路、94は同じく前記第3収容
室4と第1収容室2とを連絡してオイルを通すオ
イル通路である。
Further, 93 is an air passage connecting the third storage chamber 4 and the first storage chamber 2, and 94 is an oil passage connecting the third storage chamber 4 and the first storage chamber 2 and passing oil therethrough. .

しかして以上の構成からなるトランスフア装置
にあつては、前記各収容室2,3,4の潤滑油貯
留部20,30,40に、それぞれ各機構A,
B,Cに応じた適量の潤滑油を貯留するのであつ
て、斯くして前記各機構A,B,Cが潤滑不足に
なつたりあるいは潤滑油が供給過多となるような
ことはなく、全体として各機構A,B,Cを効率
よく潤滑することが出来るのである。
In the transfer device having the above configuration, each mechanism A,
Appropriate amounts of lubricating oil are stored according to B and C, and in this way each mechanism A, B, and C will not be under-lubricated or over-supplied, and as a whole. Each mechanism A, B, and C can be efficiently lubricated.

以上の実施例では、トランスフアケース1に前
記出力伝達機構Bを収容する第2収容室3の他に
第1、第3収容室2,4を形成して、前記2・4
輪切換機構Aを前記第1収容室2に、また前記ハ
イロー切換機構Cを前記第3収容室4にそれぞれ
収容したが、前記2・4輪切換機構Aと前記ハイ
ロー切換機構Cを一つの収容室に収容するように
してもよい。
In the above embodiment, the transfer case 1 is formed with first and third accommodation chambers 2 and 4 in addition to the second accommodation chamber 3 that accommodates the output transmission mechanism B.
The wheel switching mechanism A was housed in the first housing chamber 2, and the high-low switching mechanism C was housed in the third housing chamber 4, but the two- and four-wheel switching mechanism A and the high-low switching mechanism C were housed in one housing. It may also be housed in a room.

(考案の効果) 以上のごとく本考案によれば、前記2・4輪切
換機構A及び出力伝達機構Bが、独立した第1、
第2収容室2,3にそれぞれ収容されるので、前
記各機構A,Bに適した量の潤滑油を、前記各収
容室2,3の潤滑油貯留部20,30にそれぞれ
貯留して、各機構A,Bを効率よく潤滑すること
が出来、従つて不必要な動力損失を招くことな
く、しかも前記2・4輪切換機構及び出力伝達機
構のいずれをも効率良く潤滑することが出来るに
至つたのである。
(Effects of the invention) As described above, according to the invention, the two-wheel/four-wheel switching mechanism A and the output transmission mechanism B are independent first,
Since the lubricating oil is stored in the second storage chambers 2 and 3, respectively, an amount of lubricating oil suitable for each of the mechanisms A and B is stored in the lubricating oil storage parts 20 and 30 of each of the storage chambers 2 and 3, respectively. Each mechanism A, B can be efficiently lubricated, and therefore both the two- and four-wheel switching mechanisms and the output transmission mechanism can be efficiently lubricated without causing unnecessary power loss. It was reached.

【図面の簡単な説明】[Brief explanation of the drawing]

図面は本考案にかかるトランスフア装置の一実
施例を示す断面図である。 A……2・4輪切換機構、B……出力伝達機
構、11……仕切り壁、2……第1収容室、20
……潤滑油貯留部、3……第2収容室、30……
潤滑油貯留部。
The drawing is a sectional view showing an embodiment of the transfer device according to the present invention. A... 2/4 wheel switching mechanism, B... Output transmission mechanism, 11... Partition wall, 2... First storage chamber, 20
...Lubricating oil reservoir, 3...Second storage chamber, 30...
Lubricating oil reservoir.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 2輪駆動と4輪駆動とを選択する2・4輪切換
機構Aと、4輪駆動時にのみ駆動させる駆動輪へ
の出力伝達機構Bとを備えたトランスフア装置に
おいて、前記2・4輪切換機構Aを第1収容室2
に収容すると共に、前記出力伝達機構Bを、潤滑
油貯留部30が前記第1収容室2の潤滑貯留部2
0よりも低くした第2収容室3に収容する一方、
前記第1収容室2と第2収容室3との間に、前記
第1収容室2側の潤滑油貯留部20と前記第2収
容室3側の潤滑油貯留部30との連通を遮断する
仕切り壁11を設けたことを特徴とするトランス
フア装置。
In a transfer device comprising a 2/4 wheel switching mechanism A that selects between 2 wheel drive and 4 wheel drive, and an output transmission mechanism B to drive wheels that is driven only during 4 wheel drive, the 2/4 wheel switching mechanism Mechanism A is placed in the first storage chamber 2.
At the same time, the output transmission mechanism B is housed in the lubricating oil reservoir 30 of the first housing chamber 2.
While storing in the second storage chamber 3 lower than 0,
Between the first storage chamber 2 and the second storage chamber 3, communication between the lubricating oil storage section 20 on the first storage chamber 2 side and the lubricating oil storage section 30 on the second storage chamber 3 side is cut off. A transfer device characterized in that a partition wall 11 is provided.
JP1987094967U 1987-06-19 1987-06-19 Expired JPH0439063Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987094967U JPH0439063Y2 (en) 1987-06-19 1987-06-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987094967U JPH0439063Y2 (en) 1987-06-19 1987-06-19

Publications (2)

Publication Number Publication Date
JPS63202522U JPS63202522U (en) 1988-12-27
JPH0439063Y2 true JPH0439063Y2 (en) 1992-09-11

Family

ID=30958965

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987094967U Expired JPH0439063Y2 (en) 1987-06-19 1987-06-19

Country Status (1)

Country Link
JP (1) JPH0439063Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004503435A (en) * 2000-07-19 2004-02-05 シユタイル−ダイムレル−プーフ・フアールツオイクテヒニク・アクチエンゲゼルシヤフト・ウント・コンパニー・コマンデイトゲゼルシヤフト Power distribution system for vehicles with uneven terrain

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004503435A (en) * 2000-07-19 2004-02-05 シユタイル−ダイムレル−プーフ・フアールツオイクテヒニク・アクチエンゲゼルシヤフト・ウント・コンパニー・コマンデイトゲゼルシヤフト Power distribution system for vehicles with uneven terrain

Also Published As

Publication number Publication date
JPS63202522U (en) 1988-12-27

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