JPH0434268Y2 - - Google Patents
Info
- Publication number
- JPH0434268Y2 JPH0434268Y2 JP1985196903U JP19690385U JPH0434268Y2 JP H0434268 Y2 JPH0434268 Y2 JP H0434268Y2 JP 1985196903 U JP1985196903 U JP 1985196903U JP 19690385 U JP19690385 U JP 19690385U JP H0434268 Y2 JPH0434268 Y2 JP H0434268Y2
- Authority
- JP
- Japan
- Prior art keywords
- differential
- pinion shaft
- flat
- mentioned
- differential 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
Links
Landscapes
- Motor Power Transmission Devices (AREA)
- Retarders (AREA)
Description
【考案の詳細な説明】
（産業上の利用分野）
この考案は、例えば、デフケース内面を球状に
形成した所謂全球タイプの差動装置のような車両
用デフアレンシヤル装置に関する。[Detailed Description of the Invention] (Industrial Field of Application) The present invention relates to a differential device for a vehicle, such as a so-called global type differential device in which the inner surface of a differential case is formed into a spherical shape.
（従来技術）
従来、上述例の車両用デフアレンシヤル装置と
しては、実開昭58−186924号公報に記載の装置が
ある。(Prior Art) Conventionally, as a vehicle differential device of the above-mentioned example, there is a device described in Japanese Utility Model Application Publication No. 186924/1983.
すなわち、デフケース内面を球状面に形成する
と共に、このデフケース内に収納するデフピニオ
ンおよびサイドギヤの各背面を上記球状面と対応
する球面に形成したデフアレンシヤル装置であ
る。 That is, in this differential device, the inner surface of the differential case is formed into a spherical surface, and the back surfaces of the differential pinion and side gears housed within the differential case are formed into spherical surfaces corresponding to the spherical surface.
しかし、上述の全球タイプの装置においては、
次のような問題点があつた。 However, in the above-mentioned global type device,
The following problems arose.
つまり、組立工程の関係上、サイドギヤにスプ
ライン嵌合させる左右の車軸は、デフアレンシヤ
ル装置組立工程の次の工程により組立てられるの
で、前述のデフケース内にピニオンシヤフト、デ
フピニオン、サイドギヤをこの順に組付けた時、
上述のサイドギヤがデフケース内面の球状面に沿
つて滑落する問題点があつた。 In other words, due to the assembly process, the left and right axles that are spline-fitted to the side gears are assembled in the next step after the differential device assembly process, so the pinion shaft, differential pinion, and side gears are assembled in this order into the differential case mentioned above. When
There was a problem in that the side gear mentioned above slid down along the spherical surface of the inner surface of the differential case.
従来、このようなサイドギヤの滑落を防止する
ため、デフアレンシヤル装置組付け後に、上述の
サイドギアのスプライン部分に、ダミーシヤフト
を挿入する手段が取られているが、次工程の車軸
組付け時において、このダミーシヤフトを取外す
必要があり、このダミーシヤフトの着脱工程によ
り組付け工数が増加して、組付けコストが高くな
る問題点を有していた。 Conventionally, in order to prevent such side gears from slipping off, a method has been taken to insert a dummy shaft into the spline portion of the side gears mentioned above after assembling the differential device. However, it is necessary to remove the dummy shaft, and the process of attaching and detaching the dummy shaft increases the number of assembly steps and increases the assembly cost.
（考案の目的）
この考案は、組立て時において、上述のサイド
ギヤを、ダミーシヤフト等の治具を用いることな
く仮支持させることができ、組付け工数および組
付けコストの低減を図ることができる車両用デフ
アレンシヤル装置の提供を目的とする。(Purpose of the invention) This invention is a vehicle that can temporarily support the above-mentioned side gear without using a jig such as a dummy shaft during assembly, thereby reducing assembly man-hours and assembly costs. The purpose is to provide a differential device for
（考案の構成）
この考案は、デフケース内面を球状に形成した
車両用デフアレンシヤル装置であつて、デフピニ
オンを貫通支持するピニオンシヤフトの両サイド
ギヤ対向面を、サイドギヤのフラツト状突部を支
持可能な平行フラツト面に形成し、上記サイドギ
ヤのフラツト状突部を上記フラツト面で対向配置
し、上記ピニオンシヤフトの平行フラツト面とサ
イドギヤのフラツト状突部とは、ピニオンシヤフ
トの回転時に上記サイドギヤをともなつて回動さ
せるように近接させた車両用デフアレンシヤル装
置であることを特徴とする。(Structure of the invention) This invention is a vehicle differential device in which the inner surface of the differential case is formed into a spherical shape. The pinion shaft is formed on parallel flat surfaces, and the flat protrusion of the side gear is disposed opposite to each other on the flat surface, and the parallel flat surface of the pinion shaft and the flat protrusion of the side gear accompany the side gear when the pinion shaft rotates. The present invention is characterized in that it is a differential device for a vehicle that is placed close to each other so as to be rotated.
（考案の効果）
この考案によれば、上述のサイドギヤのフラツ
ト状突部と対向する上述のピニオンシヤフトの所
定箇所をフラツト面に形成し、組立て時において
該フラツト面でサイドギヤを仮支持させることが
できるので、従来のようなダミーシヤフト等の治
具を何等用いることなく、デフアレンシヤル装置
ほ組立てることができ、この結果、組付け工数の
削減および組付けコストの低減を図ることができ
る効果がある。(Effect of the invention) According to this invention, a predetermined portion of the above-mentioned pinion shaft that faces the flat protrusion of the above-mentioned side gear is formed into a flat surface, and the side gear can be temporarily supported by the flat surface during assembly. As a result, the differential device can be assembled without using any conventional jigs such as dummy shafts, resulting in a reduction in assembly man-hours and assembly costs. be.
加えて、上記ピニオンシヤフトの平行フラツト
面とサイドギヤのフラツト状突部とは、ピニオン
シヤフトの回転時に上記サイドギヤをともなつて
回動させるように近接させたので、所定のデフア
レンシヤル作用を得ることができる。 In addition, since the parallel flat surface of the pinion shaft and the flat protrusion of the side gear are placed close to each other so that the side gear rotates with the pinion shaft when the pinion shaft rotates, a predetermined differential effect can be obtained. I can do it.
（実施例）
この考案の一実施例を以下図面に基づいて詳述
する。(Example) An example of this invention will be described in detail below based on the drawings.
図面は車両用デフアレンシヤル装置を示し、第
１図において、リングギヤ取付部１および車軸孔
２，２を備えたデフケース（デフアレンシヤルギ
ヤケースの略称）３の内面４を球状に形成し、こ
のデフケース３内にピニオンシヤフト５、デフピ
ニオン６，６およびサイドギヤ７，７を収納して
いる。 The drawings show a differential device for a vehicle, and in FIG. 1, the inner surface 4 of a differential case (abbreviation for differential gear case) 3, which is provided with a ring gear mounting portion 1 and axle holes 2, 2, is formed into a spherical shape. A pinion shaft 5, differential pinions 6, 6, and side gears 7, 7 are housed within the shaft 3.
すなわち、デフケース３の内外を連通するシヤ
フト孔８，８に、上述のピニオンシヤフト５を貫
通させ、デフケース３に穿設したピン孔９に断面
がＣ字状のスプリングピン１０を嵌入すること
で、上述のピニオンシヤフト５をデフケース３に
取付け、このデフケース３内部における上述のピ
ニオンシヤフト５両端に差動小歯車としてのデフ
ピニオン６，６を遊嵌すると共に、これら上下の
デフピニオン６，６に常時噛合するサイドギヤ
７，７を上述のデフケース３内に収納している。 That is, by passing the above-mentioned pinion shaft 5 through the shaft holes 8, 8 that communicate the inside and outside of the differential case 3, and inserting the spring pin 10 having a C-shaped cross section into the pin hole 9 drilled in the differential case 3, The above-mentioned pinion shaft 5 is attached to the differential case 3, and the differential pinions 6, 6 as differential gears are loosely fitted to both ends of the above-mentioned pinion shaft 5 inside the differential case 3, and are constantly engaged with the upper and lower differential pinions 6, 6. The side gears 7, 7 are housed within the above-mentioned differential case 3.
また、上述のデフケース３におけるリングギヤ
取付部１には、カシメピン１１，１１を用いてリ
ングギア１２を取付けている。 Furthermore, a ring gear 12 is attached to the ring gear attaching portion 1 of the above-mentioned differential case 3 using caulking pins 11, 11.
ここで、前述のデフピニオン６，６の背面およ
びサイドギヤ７，７の背面は、球状のデフケース
内面４と対応する球面に形成している。 Here, the back surfaces of the aforementioned differential pinions 6, 6 and the back surfaces of the side gears 7, 7 are formed into spherical surfaces corresponding to the spherical inner surface 4 of the differential case.
ところで、上述のデフピニオン６，６を貫通支
持するピニオンシアフト５の中央部分５ａにおい
て、両サイドギヤ７，７と対向する対向面を、第
２図に示す如く、互に平行なフラツト面５ｂ，５
ｂに形成している。 By the way, in the central portion 5a of the pinion shaft 5 that supports the above-mentioned differential pinions 6, 6, the facing surfaces facing both side gears 7, 7 are flat surfaces 5b, 5 parallel to each other, as shown in FIG.
It is formed in b.
また、上述の一対のサイドギヤ７，７のピニオ
ンシアフト５側の内端面を、上述のフラツト面５
ｂ，５ｂと対向させて、フラツト状突部７ａ，７
ａに形成し、この突部７ａ，７ａをピニオンシヤ
フト５のフラツト面５ｂ，５ｂで対向支持し、上
述のピニオンシヤフト５の平行フラツト面５ｂ，
５ｂとサイドギヤ７，７のフラツト状突部７ａ，
７ａとは、ピニオンシヤフト５の回転時に上記サ
イドギヤ７をともなつて回動させるように近接さ
せている。 Further, the inner end surfaces of the pair of side gears 7, 7 on the pinion shaft 5 side are connected to the flat surface 5 described above.
flat protrusions 7a, 7 facing b, 5b.
a, and these protrusions 7a, 7a are supported oppositely by the flat surfaces 5b, 5b of the pinion shaft 5, and the above-mentioned parallel flat surfaces 5b,
5b and the flat protrusion 7a of the side gears 7, 7,
7a is placed close to the pinion shaft 5 so as to rotate together with the side gear 7 when the pinion shaft 5 rotates.
なお、上述の各サイドギヤ７，７の中央部に
は、車軸孔２，２から挿入される車軸（図示せ
ず）とスプライン嵌合するスプライン部７ｂ，７
ｂを形成している。 Incidentally, in the center of each of the above-mentioned side gears 7, 7, spline parts 7b, 7 are spline-fitted with an axle (not shown) inserted from the axle hole 2, 2.
It forms b.
図示実施例は上記の如く構成するものにして、
以下デフアレンシヤル装置の組付けについて説明
する。 The illustrated embodiment is configured as described above,
The assembly of the differential device will be explained below.
まず、デフケース３における内面４の所定箇所
にデフピニオン６，６を、同デフケース３の組付
け窓（図示せず）から挿入配置する。 First, the differential pinions 6, 6 are inserted into predetermined locations on the inner surface 4 of the differential case 3 through an assembly window (not shown) of the differential case 3.
次に、上述の各デフピニオン６，６を遊嵌する
如く、デフケース３のシヤフト孔８，８にピニオ
ンシアフト５を挿入し、このピニオンシアフト５
で上述の各デフピニオン６，６を貫通支持する。 Next, the pinion shaft 5 is inserted into the shaft holes 8, 8 of the differential case 3 so that each of the above-mentioned differential pinions 6, 6 is loosely fitted, and the pinion shaft 5 is
The above-mentioned differential pinions 6, 6 are penetrated and supported.
次に、上述のピニオンシヤフト５のフラツト面
５ｂ，５ｂを組付け窓と対向させ、これら各フラ
ツト面５ｂ，５ｂに各サイドギヤ７，７のフラツ
ト状突部７ａ，７ａを当接すべく、これら各サイ
ドギヤ７，７を上述の組付け窓からデフケース３
内に収納する。 Next, the flat surfaces 5b, 5b of the above-mentioned pinion shaft 5 are opposed to the assembly window, and the flat protrusions 7a, 7a of each side gear 7, 7 are brought into contact with these flat surfaces 5b, 5b. Install each side gear 7, 7 from the above-mentioned assembly window to the differential case 3.
Store inside.
次に、上述の各フラツト面５ｂ，５ｂとフラツ
ト状突部７ａ，７ａとの当接状態を保持させ、各
サイドギヤ７，７を90度回転させて、第１図に示
す如く、デフケース３内の所定位置に配設する。 Next, while maintaining the contact state between the flat surfaces 5b, 5b and the flat projections 7a, 7a, the side gears 7, 7 are rotated 90 degrees, and as shown in FIG. be placed at a predetermined position.
このとき、ピニオンシヤフト５のフラツト面５
ｂ，５ｂにサイドギヤ７，７のフラツト状突部７
ａ，７ａを当接させて、両者５，７を回動処理す
ることで、両サイドギヤ７，７の組込みずれを防
止することができる。 At this time, the flat surface 5 of the pinion shaft 5
flat protrusions 7 of side gears 7, 7 on b, 5b
By bringing a and 7a into contact with each other and rotating them, it is possible to prevent the side gears 7 and 7 from being misaligned.
次に、デフケース３のピン孔９およびピニオン
シヤフト５のピン孔５ｃにスプリングピン１０を
圧入して、上述のピニオンシヤフト５をデフケー
ス３に固定する。 Next, the spring pin 10 is press-fitted into the pin hole 9 of the differential case 3 and the pin hole 5c of the pinion shaft 5 to fix the above-mentioned pinion shaft 5 to the differential case 3.
このように、ピニオンシヤフト５の両サイドギ
ヤ対向面をフラツト面５ｂ，５ｂに形成すること
で、組立て時において、これら各フラツト面５
ｂ，５ｂでサイドギヤ７，７を仮支持させること
ができ、上述のスプリングピン１０圧入後におい
て、サイドギヤ７，７を所定位置に保持すること
ができ、同サイドギヤ７，７の滑落が防止できる
ため、従来のようなダミーシヤフト等の治具を用
いることなく、デフアレンシヤル装置の組立てを
行なうことができる。 In this way, by forming both side gear facing surfaces of the pinion shaft 5 into the flat surfaces 5b, 5b, each of these flat surfaces 5 is formed during assembly.
b, 5b can temporarily support the side gears 7, 7, and after the above-mentioned spring pin 10 is press-fitted, the side gears 7, 7 can be held in a predetermined position, and the side gears 7, 7 can be prevented from slipping down. Therefore, the differential device can be assembled without using conventional jigs such as dummy shafts.
この結果、組付け工数の削減および組付けコス
トの低減を図ることができる効果がある。 As a result, it is possible to reduce assembly man-hours and assembly costs.
図面はこの考案の一実施例を示し、第１図は車
両用デフアレンシヤル装置の断面図、第２図は第
１図の−線に沿う要部の拡大断面図である。
３……デフケース、４……デフケース内面、５
……ピニオンシヤフト、５ａ……フラツト面、６
……デフピニオン、７……サイドギヤ、７ａ……
フラツト状突部。
The drawings show one embodiment of this invention, and FIG. 1 is a cross-sectional view of a vehicle differential device, and FIG. 2 is an enlarged cross-sectional view of essential parts taken along the line - in FIG. 1. 3...Differential case, 4...Inner surface of differential case, 5
...Pinion shaft, 5a...Flat surface, 6
...Differential pinion, 7...Side gear, 7a...
Flat-like protrusion.
Claims (1)
デフアレンシヤル装置であつて、 デフピニオン６を貫通支持するピニオンシヤフ
ト５の両サイドギヤ対向面を、サイドギヤ７のフ
ラツト状突部７ａを支持可能な平行フラツト面５
ｂに形成し、 上記サイドギヤ７のフラツト状突部７ａをフラ
ツト面５ｂで対向配置し、 上記ピニオンシヤフト５の平行フラツト面５ｂ
とサイドギヤ７のフラツト状突部７ａとは、ピニ
オンシヤフト５の回転時に上記サイドギヤ７をと
もなつて回動させるように近接させた 車両用デフアレンシヤル装置。[Claims for Utility Model Registration] This is a vehicle differential device in which the inner surface 4 of the differential case 3 is formed into a spherical shape. Parallel flat surface 5 capable of supporting portion 7a
b, the flat protrusions 7a of the side gear 7 are arranged opposite to each other with the flat surfaces 5b, and the parallel flat surfaces 5b of the pinion shaft 5
and the flat protrusion 7a of the side gear 7 are arranged in close proximity to each other so that the side gear 7 rotates with the pinion shaft 5 when the pinion shaft 5 rotates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985196903U JPH0434268Y2 (en) | 1985-12-21 | 1985-12-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985196903U JPH0434268Y2 (en) | 1985-12-21 | 1985-12-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62103731U JPS62103731U (en) | 1987-07-02 |
| JPH0434268Y2 true JPH0434268Y2 (en) | 1992-08-14 |
Family
ID=31156134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985196903U Expired JPH0434268Y2 (en) | 1985-12-21 | 1985-12-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0434268Y2 (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3026535A1 (en) * | 1980-07-12 | 1982-02-04 | Volkswagenwerk Ag, 3180 Wolfsburg | DIFFERENTIAL GEARBOX FOR VEHICLES |
| DE3141077A1 (en) * | 1980-10-24 | 1982-05-27 | Ford-Werke AG, 5000 Köln | COMPARATIVE GEARBOX FOR MOTOR VEHICLES |
-
1985
- 1985-12-21 JP JP1985196903U patent/JPH0434268Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62103731U (en) | 1987-07-02 |
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