JPS62132055A - Differential gear case - Google Patents

Differential gear case

Info

Publication number
JPS62132055A
JPS62132055A JP27081585A JP27081585A JPS62132055A JP S62132055 A JPS62132055 A JP S62132055A JP 27081585 A JP27081585 A JP 27081585A JP 27081585 A JP27081585 A JP 27081585A JP S62132055 A JPS62132055 A JP S62132055A
Authority
JP
Japan
Prior art keywords
case
differential gear
body part
case body
driven gear
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
Application number
JP27081585A
Other languages
Japanese (ja)
Inventor
Tomio Tozawa
戸澤　臣男
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.)
TSUNODA TEKKOSHO KK
Original Assignee
TSUNODA TEKKOSHO 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 TSUNODA TEKKOSHO KK filed Critical TSUNODA TEKKOSHO KK
Priority to JP27081585A priority Critical patent/JPS62132055A/en
Publication of JPS62132055A publication Critical patent/JPS62132055A/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H48/00—Differential gearings
    • F16H48/38—Constructional details
    • F16H48/40—Constructional details characterised by features of the rotating cases

Landscapes

  • Retarders (AREA)

Abstract

PURPOSE:To form a case in small size and in light weight, by forming a driven gear part and a case body part, which arranges spindles to be mounted, to be forged by special steel and integraly molded. CONSTITUTION:A differential gear case 1 comprises a main unit 2 and a cover member 4, and the main unit 2 is formed by integrally forging a case body part 5 and a driven gear part 6 by special steel. The case body part 5 arranges spindles 7 to be mounted, and the case 1 fits one axle 8 of the right and left axles of an automobile to the case body part 5 while the other axle 9 to the cover member 4. Power from an engine is transmitted to the axles 8, 9 through the driven gear 6, case body part 5, spindles 7 and differential gear wheels 10, 11. Accordingly, the case can be formed in small size and also in light weight by obtaining sufficient strength.

Description

【発明の詳細な説明】 イ　発明の目的 〈産業上の利用分野） 本発明は自動車の差動装置匣に係る。[Detailed description of the invention] B. Purpose of the invention (Industrial application field) The present invention relates to a differential gear box for a motor vehicle.

（従来技術とその問題点） 第２図の如き従来のディファレンシャル・ギヤー・ケー
ス５は、鋳造により成形されており、而も、ドリブン・
ギヤー６とは別個に構成され、ボルト・ナツト１３によ
りこれに固定されている。(Prior art and its problems) The conventional differential gear case 5 as shown in Fig. 2 is molded by casting, and the driven
It is constructed separately from the gear 6 and is fixed thereto with bolts and nuts 13.

しかし、最近、４輪駆動車の出現及びエンジン性能の向
上により、かかる鋳造品では強度が十分でなく、殊にド
リブン・ギヤー６とディファレンシャル・ギヤー・ケー
ス５との連結部の強度不足が問題となっている。その上
、鋳造品では強度等との関係上、小型化や軽量化が不可
能である。However, recently, with the advent of four-wheel drive vehicles and improved engine performance, such cast products do not have sufficient strength, and in particular, the lack of strength at the connection between the driven gear 6 and the differential gear case 5 has become a problem. It has become. Furthermore, it is impossible to reduce the size and weight of cast products due to their strength and other issues.

口　発明の構成 （問題点を解決するための手段） 特殊鋼を使用して鍛造成形し、而も、従来品におけるド
リブン・ギヤーとディファレンシャル・ギヤー・ケース
とを一体に成形する。即ち、差動装置匣は、スピンドル
が配装され且つ左右の車軸の一方が嵌合する匣体部及び
トリアン・ギヤ一部を特殊鋼にて一体に鍛造成形した本
体と、該本体に固定され既記左右の車軸の他方が嵌合す
る蓋体とから成るものとする。Structure of the Invention (Means for Solving Problems) Special steel is forged and formed, and the driven gear and differential gear case of the conventional product are integrally formed. That is, the differential gear box includes a main body in which the spindle is mounted and a part of the torian gear is integrally forged with special steel, and a main body into which one of the left and right axles is fitted, and a main body that is fixed to the main body. It shall consist of a lid body into which the other of the left and right axles is fitted.

（作用） エンジンからの動力は、ドリブン・ギヤー部、匣体部、
スピンドル、差動小歯軸、差動歯輪を介して車軸に伝導
され、これを回転する。(Function) The power from the engine is transmitted to the driven gear section, the casing section,
The power is transmitted to the axle via the spindle, differential pinion shaft, and differential gear wheel to rotate it.

（実施例） 図面において、同一符号は同−又は相応部分を指示する
。(Example) In the drawings, the same reference numerals indicate the same or corresponding parts.

第１図において、１は差動装置匣であり、本体２と本体
２にボルト３で固定された蓋体４とから成る。本体２は
、匣体部５及びドリブン・ギヤー部６を特殊鋼にて一体
に鍛造成形して成る。匣体部５にはスピンドル７が配装
され、且つ、自動車の左右の車軸の一方８が嵌合する。In FIG. 1, reference numeral 1 denotes a differential gear box, which consists of a main body 2 and a lid 4 fixed to the main body 2 with bolts 3. The main body 2 is formed by integrally forging a case part 5 and a driven gear part 6 from special steel. A spindle 7 is disposed in the case part 5, and one of the left and right axles 8 of the automobile is fitted therein.

蓋体４には車軸の他方９が嵌合する。蓋体４も鍛造成形
されるが、これは、本体２と異なり、これに強い力が加
わることもないので、鋳造品でもよい。The other axle 9 fits into the lid 4 . The lid body 4 is also forged, but unlike the main body 2, no strong force is applied to it, so it may be a cast product.

１０はスピンドル７に嵌合する差動車歯輪、１１はこれ
と噛み合い、車軸８．９に固定された差動歯輪である。10 is a differential gear gear fitted to the spindle 7, and 11 is a differential gear gear meshing with this and fixed to the axle 8.9.

エンジンからの動力は、ドリブン・ギヤー６、匣体部５
、スピンドル７、差動車歯輪１０、差動歯輪１１を介し
て、車軸８．９に伝達される。The power from the engine is driven by the driven gear 6 and the housing part 5.
, the spindle 7, the differential gear wheel 10, and the differential gear wheel 11 to the axle 8.9.

ハ　発明の効果 本発明によれば、強い力の加わるドリブン・ギヤー部と
スピンドルの配装された匣体部とが特殊鋼にて鍛造され
、而も、一体に成形されているので、十分な強度が得ら
れ、差動装置の安全を確保し得、小型化及び軽量化も可
能である等、種々の効果がある。C. Effects of the Invention According to the present invention, the driven gear part to which strong force is applied and the case part in which the spindle is arranged are forged from special steel and integrally formed, so that sufficient There are various effects such as strength, ensuring the safety of the differential gear, and making it possible to reduce the size and weight.

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

第１図は本発明の１実施例を示す断面図、第２図は従来
品の断面図である。 ｌ＝差動装置匣、２＝本体、３＝ボルト、４＝蓋体、５
＝匣体部、６＝ドリブン・ギヤー部、７＝スピンドル、
８，９＝車軸、１０＝差動小歯輪、１１＝差動歯輪。FIG. 1 is a sectional view showing one embodiment of the present invention, and FIG. 2 is a sectional view of a conventional product. l = differential gear box, 2 = main body, 3 = bolt, 4 = lid, 5
= Box body part, 6 = Driven gear part, 7 = Spindle,
8, 9 = axle, 10 = differential small gear, 11 = differential gear.

Claims (1)

【特許請求の範囲】[Claims] スピンドルが配装され且つ左右の車軸の一方が嵌合する
匣体部及びドリブン・ギヤー部を特殊鋼にて一体に鍛造
成形した本体と、該本体に固定され既記左右の車軸の他
方が嵌合する蓋体とから成る差動装置匣。A main body in which a spindle is installed and one of the left and right axles fits into the body and a driven gear part are integrally forged from special steel, and the main body is fixed to the main body and the other of the left and right axles is fitted. A differential gear box consisting of a mating lid body.
JP27081585A 1985-12-03 1985-12-03 Differential gear case Pending JPS62132055A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP27081585A JPS62132055A (en) 1985-12-03 1985-12-03 Differential gear case

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP27081585A JPS62132055A (en) 1985-12-03 1985-12-03 Differential gear case

Publications (1)

Publication Number Publication Date
JPS62132055A true JPS62132055A (en) 1987-06-15

Family

ID=17491403

Family Applications (1)

Application Number Title Priority Date Filing Date
JP27081585A Pending JPS62132055A (en) 1985-12-03 1985-12-03 Differential gear case

Country Status (1)

Country Link
JP (1) JPS62132055A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1219865A1 (en) * 2000-12-29 2002-07-03 Johann Hay GmbH & Co. KG, Automobiltechnik A differential assembly and method for producing the same
EP1288531A2 (en) * 2001-08-28 2003-03-05 Johann Hay GmbH & Co. KG, Automobiltechnik Differential gear case
WO2004028722A1 (en) * 2002-09-27 2004-04-08 Tesma International Inc. Cold formed differential housing with integrated ring gear
DE102004056087A1 (en) * 2004-11-11 2006-05-24 Getrag Getriebe- Und Zahnradfabrik Hermann Hagenmeyer Gmbh & Cie Kg Differential gear for motor vehicle, has differential housing with two housing parts, where latter housing part encompasses former housing part, so that inlet unit radially secures differential wheel arrangement
US7056255B2 (en) 2003-12-17 2006-06-06 Johann Hay Gmbh & Co. Kg Differential cage for a differential gear
US7207110B2 (en) * 2002-12-02 2007-04-24 Tesma International Inc. Differential housing with integrated ring gear

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1219865A1 (en) * 2000-12-29 2002-07-03 Johann Hay GmbH & Co. KG, Automobiltechnik A differential assembly and method for producing the same
EP1288531A2 (en) * 2001-08-28 2003-03-05 Johann Hay GmbH & Co. KG, Automobiltechnik Differential gear case
DE10141995A1 (en) * 2001-08-28 2003-04-03 Johann Hay Gmbh & Co Kg Automo differential case
EP1288531A3 (en) * 2001-08-28 2003-05-02 Johann Hay GmbH & Co. KG, Automobiltechnik Differential gear case
WO2004028722A1 (en) * 2002-09-27 2004-04-08 Tesma International Inc. Cold formed differential housing with integrated ring gear
CN100372623C (en) * 2002-09-27 2008-03-05 特斯玛国际公司 Cold formed differential housing with integrated ring gear
US7721409B2 (en) 2002-09-27 2010-05-25 Magna Powertrain Inc. Cold formed differential housing with integrated ring gear
US7207110B2 (en) * 2002-12-02 2007-04-24 Tesma International Inc. Differential housing with integrated ring gear
US7056255B2 (en) 2003-12-17 2006-06-06 Johann Hay Gmbh & Co. Kg Differential cage for a differential gear
DE102004056087A1 (en) * 2004-11-11 2006-05-24 Getrag Getriebe- Und Zahnradfabrik Hermann Hagenmeyer Gmbh & Cie Kg Differential gear for motor vehicle, has differential housing with two housing parts, where latter housing part encompasses former housing part, so that inlet unit radially secures differential wheel arrangement
DE102004056087B4 (en) * 2004-11-11 2007-04-12 Getrag Getriebe- Und Zahnradfabrik Hermann Hagenmeyer Gmbh & Cie Kg differential gear

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