JPH10252861A - Differential case structure for differential gear - Google Patents
Differential case structure for differential gearInfo
- Publication number
- JPH10252861A JPH10252861A JP6292697A JP6292697A JPH10252861A JP H10252861 A JPH10252861 A JP H10252861A JP 6292697 A JP6292697 A JP 6292697A JP 6292697 A JP6292697 A JP 6292697A JP H10252861 A JPH10252861 A JP H10252861A
- Authority
- JP
- Japan
- Prior art keywords
- differential
- cap
- differential case
- main body
- case main
- 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.)
- Pending
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Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、自動車の駆動系に
介装される差動装置に関し、特に差動ケースの構造に関
する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a differential device interposed in a drive system of an automobile, and more particularly to a structure of a differential case.
【０００２】[0002]
【従来の技術】差動装置の差動ケースが、差動ケース本
体と差動キャップから構成される例は多くあり、例えば
実公平２−２７２４４号公報に記載されたものは、差動
ケース本体の円筒開口の内周面にスプライン歯が形成さ
れ、差動キャップの外周端面にもスプライン歯が形成さ
れて、差動ケース本体の円筒開口に差動キャップがスプ
ライン嵌合する。そして径方向に螺入するボルトにより
両者が一体に締着される。2. Description of the Related Art There are many examples in which a differential case of a differential device comprises a differential case body and a differential cap. For example, the one described in Japanese Utility Model Publication No. 2-27244 discloses a differential case body. Spline teeth are formed on the inner peripheral surface of the cylindrical opening, and spline teeth are also formed on the outer peripheral end surface of the differential cap, and the differential cap is spline-fitted into the cylindrical opening of the differential case body. Then, both are integrally fastened by a bolt that is screwed in the radial direction.
【０００３】また同様に差動ケース本体と差動キャップ
とがスプライン嵌合してボルトの軸方向の螺入により両
者を一体に締着する例が実開昭６１−７３９５２号公報
に開示されている。[0003] Similarly, an example in which a differential case main body and a differential cap are spline-fitted and both are integrally fastened together by screwing in a bolt in the axial direction is disclosed in Japanese Utility Model Application Laid-Open No. 61-73552. I have.
【０００４】[0004]
【発明が解決しようとする課題】上記２つの例は、いず
れも差動ケース本体と差動キャップにスプライン歯を形
成しなければならず加工が複雑となる。また差動ケース
本体と差動キャップのスプライン嵌合は、同軸度を得る
ために、寸法精度が要求される。In each of the above two examples, spline teeth must be formed on the differential case main body and the differential cap, and the processing is complicated. The spline fitting between the differential case body and the differential cap requires dimensional accuracy in order to obtain coaxiality.
【０００５】さらに差動ケース本体と差動キャップは、
スプライン嵌合後にボルトにより締着がなされるので、
両者のボルト孔を一致させてスプライン嵌合しなければ
ならず、組付けが面倒であり、部品点数も多くなる。Further, the differential case body and the differential cap are
Since the bolts are tightened after spline fitting,
The two bolt holes must be aligned and spline-fitted, which is cumbersome to assemble and increases the number of parts.
【０００６】本発明は、かかる点に鑑みなされたもの
で、その目的とする処は、差動ケース本体と差動キャッ
プがともに加工が容易で、部品点数が少なく組付性に優
れた差動装置の差動ケース構造を供する点にある。SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances. It is an object of the present invention to provide a differential case in which both a differential case body and a differential cap are easy to process, the number of parts is small, and the assembly is excellent. The point is to provide a differential case structure of the device.
【０００７】[0007]
【課題を解決するための手段および作用効果】上記目的
を達成するために、本発明は、ギア機構を内蔵する差動
ケース本体と同差動ケース本体の開口を覆う差動キャッ
プとからなる差動装置の差動ケース構造において、前記
差動キャップの外周縁に複数の溝を形成し、前記差動ケ
ース本体の前記開口に筒状の開口端部を設け、前記差動
ケース本体の開口端部に前記差動キャップを嵌入し、前
記開口端部を前記差動キャップの外周縁に沿って屈曲し
てすぼめ、前記差動キャップの外周縁の複数の溝にさら
に食い込ませてかしめ付けて締着した差動装置の差動ケ
ース構造とした。SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a differential case comprising a differential case body having a built-in gear mechanism and a differential cap covering an opening of the differential case body. In the differential case structure of the moving device, a plurality of grooves are formed in an outer peripheral edge of the differential cap, and a cylindrical opening end is provided in the opening of the differential case main body; The differential cap is fitted into the differential cap, the open end is bent along the outer peripheral edge of the differential cap and narrowed, and further bite into a plurality of grooves on the outer peripheral edge of the differential cap and caulked and tightened. The differential case structure of the worn differential was adopted.
【０００８】差動ケース本体の開口端部に差動キャップ
を単に嵌入するだけでスプライン嵌合するわけではな
く、差動ケース本体と差動キャップの加工が容易であ
る。そして差動ケース本体の開口端部を差動キャップの
外周縁に沿って屈曲してすぼめ、差動キャップの外周縁
の複数の溝にさらに食い込ませてかしめ付けて締着する
ので、ボルト等の締着部材を用いずにかしめ作業だけで
両者を確実に締着でき、部品点数が少なく組付性に優れ
ている。The spline fitting is not merely performed by simply fitting the differential cap into the opening end of the differential case main body, and the processing of the differential case main body and the differential cap is easy. Then, the opening end of the differential case body is bent and narrowed along the outer peripheral edge of the differential cap, and further bite into a plurality of grooves on the outer peripheral edge of the differential cap, and is then tightened and tightened. Both can be securely fastened only by caulking work without using a fastening member, and the number of parts is small and the assembling property is excellent.
【０００９】請求項２記載の発明は、請求項１記載の差
動装置の差動ケース構造において、前記差動キャップ
が、前記差動ケース本体の前記開口に臨んで組み込まれ
るサイドギアを覆い、差動キャップとサイドギアとの間
に介装される多板クラッチのフリクションディスクの外
周縁に複数の突起を設け、前記差動キャップの複数の溝
に前記フリクションディスクの複数の突起が係合してフ
リクションディスクの差動ケースに対する相対的回転を
阻止したものである。According to a second aspect of the present invention, in the differential case structure of the first aspect, the differential cap covers a side gear that is incorporated facing the opening of the differential case main body. A plurality of projections are provided on an outer peripheral edge of a friction disc of a multi-plate clutch interposed between a moving cap and a side gear, and a plurality of projections of the friction disc are engaged with a plurality of grooves of the differential cap to thereby cause friction. The rotation of the disk relative to the differential case is prevented.
【００１０】フリクションディスクの差動ケースに対す
る相対的回転を阻止するのに、差動キャップの複数の溝
を利用しているので、特別回転阻止用の部材を設ける必
要がなく組付性の向上を図ることができる。Since a plurality of grooves of the differential cap are used to prevent relative rotation of the friction disk with respect to the differential case, there is no need to provide a special rotation preventing member, thereby improving the assembling property. Can be planned.
【００１１】請求項３記載の発明は、請求項１または請
求項３記載の差動装置の差動ケース構造において、前記
差動キャップの外周縁が円形をなすとともに、前記差動
ケース本体の開口端部が円筒形をしているものである。According to a third aspect of the present invention, in the differential case structure of the differential device according to the first or third aspect, an outer peripheral edge of the differential cap has a circular shape and an opening of the differential case main body. The end has a cylindrical shape.
【００１２】差動ケース本体の開口端部が単純な円筒形
をなし、差動キャップの外周縁が単純な円形をなすの
で、両者は単純な円形嵌合であり、同軸が保持でき、ま
た両者の加工も容易である。Since the opening end of the differential case main body has a simple cylindrical shape and the outer peripheral edge of the differential cap has a simple circular shape, the two are simply circular fittings, can maintain coaxiality, and can have both coaxial shapes. Is also easy to process.
【００１３】[0013]
【発明の実施の形態】以下本発明に係る一実施の形態に
ついて図１ないし図６に図示し説明する。本実施の形態
に係る差動装置１は、差動ケース本体２の開口を差動キ
ャップ10が覆うようにして差動ケースが構成されてい
る。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment according to the present invention will be described below with reference to FIGS. In the differential device 1 according to the present embodiment, the differential case is configured such that the opening of the differential case main body 2 is covered by the differential cap 10.
【００１４】差動ケース本体２は、周壁２ａと底壁２ｂ
とで筐体をなし、図２において左側を開口側とした姿勢
で周壁２ａの右側に左右方向を中心軸とし遠心方向に展
開した環状のリングギア３が一体に形成されており、こ
のリングギア３の中心軸に右側アクスル軸41が軸支され
る軸受円筒部４が底壁２ｂに形成されている。The differential case body 2 includes a peripheral wall 2a and a bottom wall 2b.
2, an annular ring gear 3 is formed integrally on the right side of the peripheral wall 2a with the left side as the opening side in FIG. A bearing cylindrical portion 4 is formed on the bottom wall 2b so as to support the right axle shaft 41 on the center axis of the shaft 3.
【００１５】さらに差動ケース本体２の周壁２ａに軸受
円筒部２ｂの中心軸に直交するピニオンシャフト が貫
通する一対の貫通孔２ｃ，２ｃが形成され、周壁２ａの
左側は大径の開口をなす円筒形状の開口端部５が左方へ
突出して形成されている（図２において２点鎖線参
照）。円筒状の開口端部５の内周面は、所定の深さ位置
で内径が縮小した段部５ａが形成されている。Further, a pair of through holes 2c, 2c through which a pinion shaft orthogonal to the central axis of the bearing cylindrical portion 2b penetrates are formed in the peripheral wall 2a of the differential case main body 2, and the left side of the peripheral wall 2a has a large-diameter opening. A cylindrical opening end 5 is formed to protrude leftward (see a two-dot chain line in FIG. 2). The inner peripheral surface of the cylindrical open end 5 is formed with a step 5a having a reduced inner diameter at a predetermined depth position.
【００１６】一方差動キャップ10は、図３および図４に
示すように偏平円筒状の周壁10ａと底の浅い底壁10ｂを
基本形状として、周壁10ａの開口端縁は拡径してフラン
ジ11が形成され、底壁10ｂには左側アクスル軸40が軸支
される軸受円筒部12が左方に突出して形成されている。On the other hand, as shown in FIGS. 3 and 4, the differential cap 10 has a flat cylindrical peripheral wall 10a and a shallow bottom wall 10b as a basic shape. Is formed on the bottom wall 10b, and the bearing cylindrical portion 12 for supporting the left axle shaft 40 is formed to protrude leftward.
【００１７】同軸受円筒部12より若干径を大きくした内
円筒部13が軸受円筒部12と同軸に底壁10ｂから内方（右
方）に突出していて、周壁10ａとの間に環状の凹部14が
形成されている。An inner cylindrical portion 13 slightly larger in diameter than the bearing cylindrical portion 12 protrudes inward (rightward) from the bottom wall 10b coaxially with the bearing cylindrical portion 12, and has an annular concave portion between the inner cylindrical portion 13 and the peripheral wall 10a. 14 are formed.
【００１８】そして周壁10ｂを等間隔に６か所切り欠い
た６本の溝条15が放射方向に形成されている。各溝条15
は、所定の幅を有してフランジ11および内円筒13も同時
に切り欠いて内円筒13の内部から遠心方向に延びて外部
に達している。Six grooves 15 are formed in the radial direction by cutting the peripheral wall 10b at equal intervals at six places. Each groove 15
Has a predetermined width, the flange 11 and the inner cylinder 13 are also cut out at the same time, extends from the inside of the inner cylinder 13 in the centrifugal direction, and reaches the outside.
【００１９】かかる差動キャップ10のフランジ11の外径
は、差動ケース本体２の左側開口をなす開口端部５の内
径に等しく、同開口端部５に差動キャップ10を嵌入する
と、フランジ11の右端面が段部５ａに当接する。そして
開口端部５をフランジ11の外周縁に沿って中心側へ屈曲
してすぼめ、かつフランジ11の切り欠かれた６か所の溝
条15に対応する部分５ｂを溝条15にそれぞれさらに食い
込ませてかしめ付ける。The outer diameter of the flange 11 of the differential cap 10 is equal to the inner diameter of the open end 5 forming the left side opening of the differential case main body 2. When the differential cap 10 is fitted into the open end 5, the flange 11 The right end face of 11 abuts the step 5a. Then, the opening end 5 is bent toward the center side along the outer peripheral edge of the flange 11 and narrowed, and the portions 5b corresponding to the six grooves 15 cut out of the flange 11 are further cut into the grooves 15 respectively. And crimp it.
【００２０】フランジ11の外周縁に沿って屈曲してすぼ
めた開口端部５は、径が小さくなることで皺が生じる
が、さらに開口端部５の６か所の部分５ｂが溝条15に食
い込むことにより皺が延ばされることになる。また開口
端部５の６か所の部分５ｂが溝条15に食い込むことで差
動ケース本体２に対する差動キャップ10の相対的な回転
を禁止して確実に締着することができる。The open end portion 5 bent and narrowed along the outer peripheral edge of the flange 11 has wrinkles due to its small diameter, and six portions 5 b of the open end portion 5 are further formed in the groove 15. The bite lengthens the wrinkles. In addition, since the six portions 5b of the opening end portion 5 bite into the groove 15, the relative rotation of the differential cap 10 with respect to the differential case main body 2 is prohibited, so that the differential cap 10 can be securely fastened.
【００２１】このように差動ケース本体２と差動キャッ
プ10との嵌合部は、差動ケース本体２が単純な円筒形状
の開口端部５であり、差動キャップ10が単純な円形のフ
ランジ11であって、いずれもスプライン歯等を形成する
必要がなく加工が容易である。またボルト等を用いずに
かしめ付けにより簡単にかつ確実に締着することがで
き、部品点数が少なく組付性に優れている。As described above, in the fitting portion between the differential case main body 2 and the differential cap 10, the differential case main body 2 is a simple cylindrical open end 5, and the differential cap 10 is a simple circular open end. The flange 11 does not require any spline teeth or the like, and is easily processed. In addition, it is possible to easily and securely tighten by caulking without using bolts and the like, and the number of parts is small and the assembling property is excellent.
【００２２】このようにして組付けられる差動ケースの
内部には、差動ケース本体２の周壁２ａに穿設された一
対の貫通孔２ｃ，２ｃにピニオンシャフト20の両端が支
持されて差動ケース内を貫通しており、同ピニオンシャ
フト20に一対のピニオンギア21，22が回転自在に軸支さ
れ、各ピニオンギア21，22にともにベベルギア式に噛み
合う一対のサイドギア25，26がピニオンシャフト20を挟
んで左右にそれぞれ差動ケース本体２と差動キャップ10
に回転自在に支持されている。In the differential case thus assembled, both ends of the pinion shaft 20 are supported by a pair of through holes 2c, 2c drilled in the peripheral wall 2a of the differential case main body 2. A pair of pinion gears 21, 22 are rotatably supported by the pinion shaft 20, and a pair of side gears 25, 26 meshing with the pinion gears 21, 22 in a bevel gear system together with the pinion shaft 20. The differential case body 2 and the differential cap 10
It is supported rotatably.
【００２３】サイドギア25，26は、同じ形状をしてお
り、図５に左側のサイドギア25の斜視図を示す。ピッチ
面を円錐としたベベルギア部25ａの左右に内径を同じく
する内端円筒部25ｂと外端円筒部25ｃが同軸に突出し
て、内周面にはスプライン歯25ｄが形成され、外端円筒
部25ｃの外周面にスプライン歯25ｅが内側に寄って部分
的に形成されている。The side gears 25 and 26 have the same shape, and FIG. 5 is a perspective view of the left side gear 25. An inner cylindrical portion 25b and an outer cylindrical portion 25c having the same inner diameter on the left and right sides of the bevel gear portion 25a having a conical pitch surface protrude coaxially. Spline teeth 25d are formed on the inner circumferential surface, and the outer cylindrical portion 25c is formed. The spline teeth 25e are formed partially on the outer peripheral surface of the inner side.
【００２４】同じ形状の右側のサイドギア26の外端円筒
部26ｃは、差動ケース本体２の軸受円筒部４を若干内径
を大きくして内側に延長した内円周面に嵌合され回転自
在に支持され、内端円筒部26ｂの端面はピニオンシャフ
ト20に当接する。The outer cylindrical portion 26c of the right side gear 26 having the same shape is rotatably fitted on an inner circumferential surface of the bearing cylindrical portion 4 of the differential case body 2 which is slightly larger in inner diameter and extended inward. It is supported, and the end face of the inner end cylindrical portion 26b contacts the pinion shaft 20.
【００２５】なおサイドギア26のベベルギア部26ａの背
面と差動ケース本体２の底壁２ｂとの間にフリクション
ディスク30と皿バネ31が介装されてフリクションディス
ク30をサイドギア26に押しつけて適当な回転抵抗を与え
るようにしている。A friction disk 30 and a disc spring 31 are interposed between the rear surface of the bevel gear portion 26a of the side gear 26 and the bottom wall 2b of the differential case body 2, and the friction disk 30 is pressed against the side gear 26 to rotate appropriately. I try to give resistance.
【００２６】一方左側のサイドギア25は、外端円筒部25
ｃを差動キャップ10の内円筒部13の内周面に回転自在に
嵌合し、内端円筒部25ｂをピニオンシャフト20に当接し
て組付けられる。On the other hand, the left side gear 25 is
c is rotatably fitted on the inner peripheral surface of the inner cylindrical portion 13 of the differential cap 10, and the inner cylindrical portion 25b is brought into contact with the pinion shaft 20 and assembled.
【００２７】差動キャップの環状の凹部14には皿バネ35
が嵌装され、その上にフリクションディスク36，クラッ
チプレート37，フリクションディスク38が順に重ねられ
られ、一番上のフリクションディスク38がサイドギア25
のベベルギア部25ａの背面に対向し接して多板クラッチ
を構成している。A disc spring 35 is provided in the annular concave portion 14 of the differential cap.
The friction disc 36, the clutch plate 37, and the friction disc 38 are sequentially stacked thereon, and the uppermost friction disc 38 is attached to the side gear 25.
And is in contact with and in contact with the rear surface of the bevel gear portion 25a.
【００２８】フリクションディスク36は、図６に示すよ
うに円環状の板部材であり、内径と外径が差動キャップ
10の環状の凹部14の内径と外径に略等しく、外周縁に等
間隔に６か所半円状の突起36ａが突出している。The friction disk 36 is an annular plate member as shown in FIG.
Six semicircular projections 36a project from the outer peripheral edge at equal intervals substantially equal to the inner and outer diameters of the ten annular concave portions 14.
【００２９】したがってフリクションディスク36は、環
状部が差動キャップ10の凹部14に嵌合し、６個の突起36
ａが差動キャップ10の６本の溝条15に嵌合して、差動キ
ャップ10に対して左右軸方向の摺動を許すが、相対的な
回転は阻止されている。Therefore, the friction disk 36 has its annular portion fitted into the concave portion 14 of the differential cap 10 and has six projections 36.
a fits into the six grooves 15 of the differential cap 10 to allow sliding in the left-right axial direction with respect to the differential cap 10, but the relative rotation is prevented.
【００３０】フリクションディスク38も同様であり、両
フリクションディスク36，38に挟まれたクラッチプレー
ト37は、フリクションディスク36，38と内外径は略同じ
であるが、内周縁にスプライン歯を有してサイドギア25
の外端円筒部25ｃの内側外周面に設けられたスプライン
歯25ｅにスプライン嵌合してサイドギア25とともに回転
する。The same applies to the friction disk 38. The clutch plate 37 sandwiched between the friction disks 36, 38 has substantially the same inner and outer diameters as the friction disks 36, 38, but has spline teeth on the inner peripheral edge. Side gear 25
The spline teeth 25e provided on the inner peripheral surface of the outer cylindrical portion 25c are spline-fitted and rotate together with the side gear 25.
【００３１】以上のように差動キャップ10と一体に回転
する一対のフリクションディスク36，38にサイドギア25
と一体に回転するクラッチプレート37が挟まれて皿バネ
35で付勢される多板クラッチのフリクション機構が介装
されており、適当な回転抵抗を与えるようにしている。As described above, the side gear 25 is attached to the pair of friction disks 36 and 38 which rotate integrally with the differential cap 10.
The clutch plate 37, which rotates together with
A multi-plate clutch friction mechanism biased at 35 is interposed to provide adequate rotational resistance.
【００３２】ピニオンシャフト20に軸支され左右一対の
サイドギア25，26に噛合する一対のピニオンギア21，22
は、差動ケース本体２との間に球面ワッシャ23，24がそ
れぞれ介装され、ピニオンギア21，22のピッチ面の円錐
中心側端面はピニオンシャフト20を挟む左右のサイドギ
ア25，26の内端円筒部25ｂ，26ｂの外周面に当接してい
る。A pair of pinion gears 21 and 22 which are supported by the pinion shaft 20 and mesh with a pair of left and right side gears 25 and 26.
The spherical washer 23, 24 is interposed between the differential case main body 2 and the conical center side end surface of the pitch surface of the pinion gears 21, 22 is the inner end of the left and right side gears 25, 26 sandwiching the pinion shaft 20. It is in contact with the outer peripheral surfaces of the cylindrical portions 25b and 26b.
【００３３】以上のような構造の差動装置１の左右軸受
円筒部12，４に左右アクスル軸40，41が挿入され、左右
のサイドギア25，26の内周面に形成されたスプライン歯
25ｄ，26ｄにスプライン嵌合して一体に回転自在に支持
される。The left and right axle shafts 40 and 41 are inserted into the left and right bearing cylindrical portions 12 and 4 of the differential device 1 having the above structure, and spline teeth formed on the inner peripheral surfaces of the left and right side gears 25 and 26.
It is spline-fitted to 25d and 26d and is rotatably supported integrally.
【００３４】本差動装置１は、差動ケースが差動ケース
本体２と差動キャップ10からなり、両者をかしめ付けで
簡単にかつ確実に締着でき、部品点数が少なく組付性に
優れている。The differential device 1 has a differential case composed of a differential case main body 2 and a differential cap 10, which can be easily and securely fastened by caulking, and has a small number of parts and excellent assemblability. ing.
【００３５】フリクションディスク36，38は、溝状15を
利用して差動ケースに対する相対的回転を阻止している
ので、特別回転阻止用の部材を必要とせず部品点数を減
らし組付性の向上を図ることができる。差動ケース本体
２と差動キャップ10は、単純な円形嵌合であり、同軸が
保持でき、また両者の加工も容易である。Since the friction disks 36 and 38 prevent the relative rotation with respect to the differential case by using the groove 15, a special rotation preventing member is not required, the number of parts is reduced, and the assembling property is improved. Can be achieved. The differential case body 2 and the differential cap 10 have a simple circular fit, can maintain coaxiality, and can be easily processed.
【図１】本発明の一実施の形態に係る差動装置の左側面
図である。FIG. 1 is a left side view of a differential device according to an embodiment of the present invention.
【図２】図１におけるII−II線に沿って截断した断面図
である。FIG. 2 is a sectional view taken along line II-II in FIG.
【図３】差動キャップの右側面図である。FIG. 3 is a right side view of the differential cap.
【図４】図３におけるIV−IV線に沿って截断した断面図
である。FIG. 4 is a sectional view taken along line IV-IV in FIG. 3;
【図５】サイドギヤの斜視図である。FIG. 5 is a perspective view of a side gear.
【図６】スリクションディスクの側面図である。FIG. 6 is a side view of a friction disk.
１…差動装置、２…差動ケース本体、３…リングギヤ、
４…軸受円筒部、５…開口端部、10…差動キャップ、11
…フランジ、12…軸受円筒部、13…内円筒部、14…凹
部、15…溝条、20…ピニオンシャフト、21，22…ピニオ
ンギア、23，24…球面ワッシャ、25，26…サイドギア、
30…フリクションディスク、31…皿バネ、35…皿バネ、
36…フリックションディスク、37…クラッチプレート、
38…フリクションディスク、40，41…アクスル軸。DESCRIPTION OF SYMBOLS 1 ... Differential device, 2 ... Differential case main body, 3 ... Ring gear,
4 ... Bearing cylinder, 5 ... Open end, 10 ... Differential cap, 11
... Flange, 12 ... Bearing cylinder, 13 ... Inner cylinder, 14 ... Recess, 15 ... Groove, 20 ... Pinion shaft, 21,22 ... Pinion gear, 23,24 ... Spherical washer, 25,26 ... Side gear,
30 ... friction disc, 31 ... disc spring, 35 ... disc spring,
36… Friction disk, 37… Clutch plate,
38 ... friction disc, 40, 41 ... axle shaft.
Claims (3)
差動ケース本体の開口を覆う差動キャップとからなる差
動装置の差動ケース構造において、 前記差動キャップの外周縁に複数の溝を形成し、 前記差動ケース本体の前記開口に筒状の開口端部を設
け、 前記差動ケース本体の開口端部に前記差動キャップを嵌
入し、前記開口端部を前記差動キャップの外周縁に沿っ
て屈曲してすぼめ、前記差動キャップの外周縁の複数の
溝にさらに食い込ませてかしめ付けて締着したことを特
徴とする差動装置の差動ケース構造。1. A differential case structure for a differential device comprising a differential case main body having a built-in gear mechanism and a differential cap covering an opening of the differential case main body. Forming a groove, providing a cylindrical opening end in the opening of the differential case main body, fitting the differential cap into the opening end of the differential case main body, and setting the opening end to the differential cap The differential case structure of a differential device, characterized in that it is bent along the outer peripheral edge of the differential cap and narrowed, and further bites into a plurality of grooves on the outer peripheral edge of the differential cap, and is then tightened.
体の前記開口に臨んで組み込まれるサイドギアを覆い、 差動キャップとサイドギアとの間に介装される多板クラ
ッチのフリクションディスクの外周縁に複数の突起を設
け、 前記差動キャップの複数の溝に前記フリクションディス
クの複数の突起が係合してフリクションディスクの差動
ケースに対する相対的回転を阻止したことを特徴とする
請求項１記載の差動装置の差動ケース構造。2. The differential cap covers a side gear incorporated facing the opening of the differential case main body, and has an outer peripheral edge of a friction disc of a multi-plate clutch interposed between the differential cap and the side gear. 2. A plurality of projections of the friction disk are engaged with a plurality of grooves of the differential cap to prevent relative rotation of the friction disk with respect to the differential case. Differential case structure of the differential.
とともに、前記差動ケース本体の開口端部は円筒形をし
ていることを特徴とする請求項１または請求項３記載の
差動装置の差動ケース構造。3. The differential according to claim 1, wherein an outer peripheral edge of the differential cap has a circular shape, and an opening end of the differential case main body has a cylindrical shape. The differential case structure of the device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6292697A JPH10252861A (en) | 1997-03-17 | 1997-03-17 | Differential case structure for differential gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6292697A JPH10252861A (en) | 1997-03-17 | 1997-03-17 | Differential case structure for differential gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH10252861A true JPH10252861A (en) | 1998-09-22 |
Family
ID=13214381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6292697A Pending JPH10252861A (en) | 1997-03-17 | 1997-03-17 | Differential case structure for differential gear |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH10252861A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10244395A1 (en) * | 2002-09-24 | 2004-04-01 | Volkswagen Ag | Differential gear for a vehicle with an automatic gearbox comprises a differential gear housing which together with an axle drive wheel and a parking brake toothed arrangement is formed by shaping a single component |
| JP2006181601A (en) * | 2004-12-27 | 2006-07-13 | Fuji Heavy Ind Ltd | Method for producing bevel gear, bevel gear and differential apparatus using bevel gear |
| GB2434622A (en) * | 2006-01-27 | 2007-08-01 | Meritor Heavy Vehicle Sys Ltd | Differential gear with staked pinion shaft |
-
1997
- 1997-03-17 JP JP6292697A patent/JPH10252861A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10244395A1 (en) * | 2002-09-24 | 2004-04-01 | Volkswagen Ag | Differential gear for a vehicle with an automatic gearbox comprises a differential gear housing which together with an axle drive wheel and a parking brake toothed arrangement is formed by shaping a single component |
| DE10244395B4 (en) * | 2002-09-24 | 2012-07-12 | Volkswagen Ag | Differential gear and manufacturing method therefor |
| JP2006181601A (en) * | 2004-12-27 | 2006-07-13 | Fuji Heavy Ind Ltd | Method for producing bevel gear, bevel gear and differential apparatus using bevel gear |
| GB2434622A (en) * | 2006-01-27 | 2007-08-01 | Meritor Heavy Vehicle Sys Ltd | Differential gear with staked pinion shaft |
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