JPH05209657A - Differential device - Google Patents
Differential deviceInfo
- Publication number
- JPH05209657A JPH05209657A JP4226592A JP4226592A JPH05209657A JP H05209657 A JPH05209657 A JP H05209657A JP 4226592 A JP4226592 A JP 4226592A JP 4226592 A JP4226592 A JP 4226592A JP H05209657 A JPH05209657 A JP H05209657A
- Authority
- JP
- Japan
- Prior art keywords
- differential
- bolt
- housing
- mounting flange
- 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
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
- F16H2048/385—Constructional details of the ring or crown gear
Landscapes
- Motor Power Transmission Devices (AREA)
- Retarders (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は差動装置に係り、特に
内部にギヤ群を収容するデフハウジングを設け、デフハ
ウジングの取付フランジ部をドライブピニオンに噛合す
るリングギヤのギヤ側取付フランジ部に配置するととも
に、デフハウジングとリングギヤとを複数個のギヤ固定
用ボルトによって締付固定した差動装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a differential gear, and more particularly to a differential housing for accommodating a gear group inside, and a mounting flange portion of the differential housing is arranged on a gear side mounting flange portion of a ring gear meshing with a drive pinion. In addition, the present invention relates to a differential device in which a diff housing and a ring gear are tightened and fixed by a plurality of gear fixing bolts.
【０００２】[0002]
【従来の技術】自動車等の車両、例えば、前置き内燃機
関後車輪駆動方式の車両に搭載された内燃機関の駆動力
は、変速機により所望のトルク・回転数に変換して取り
出され、推進軸を介して差動装置により夫々左右アクス
ル軸に伝達され、左右車輪を駆動する。2. Description of the Related Art The driving force of an internal combustion engine mounted on a vehicle such as an automobile, for example, a vehicle of front-mounted internal combustion engine rear wheel drive system is converted into a desired torque / rotational speed by a transmission and taken out to obtain a propulsion shaft. Are transmitted to the left and right axle shafts by means of a differential device to drive the left and right wheels.
【０００３】図１０〜図１２によって差動装置を説明す
る。図１２において、１１０は差動装置、１１６はデフ
キャリヤ、１７２はドライブ軸である。このドライブ軸
１７２は、一端側が推進軸（図示せず）に連絡されるも
のであり、デフキャリヤ１１６内において前側円錐ころ
軸受１７４と後側円錐ころ軸受１７６とにより軸支さ
れ、車両（図示せず）の前後方向に指向している。前記
前側・後側円錐ころ軸受１７４・１７６間には、スペー
サ１７８が配設されている。また、デフキャリヤ１１６
は、デフキャリヤカバー１８０を有している。A differential device will be described with reference to FIGS. In FIG. 12, 110 is a differential device, 116 is a differential carrier, and 172 is a drive shaft. The drive shaft 172 is connected at one end side to a propulsion shaft (not shown), is axially supported by a front side tapered roller bearing 174 and a rear side tapered roller bearing 176 in the differential carrier 116, and is mounted on a vehicle (not shown). ) Is oriented in the front-back direction. A spacer 178 is arranged between the front and rear tapered roller bearings 174 and 176. In addition, the differential carrier 116
Has a differential carrier cover 180.
【０００４】また、前記ドライブ軸１７２の他端側に
は、ドライブピニオン１８２が固設され、このドライブ
ピニオン１８２はリングギヤ１１４に噛合している。こ
のリングギヤ１１４は、デフハウジング１２４にギヤ固
定用ボルト１３６によって固定されている。A drive pinion 182 is fixedly mounted on the other end of the drive shaft 172, and the drive pinion 182 meshes with the ring gear 114. The ring gear 114 is fixed to the differential housing 124 by a gear fixing bolt 136.
【０００５】このデフハウジング１２４は、第１、第２
デフハウジング１２４−１、１２４−２に２分割されて
おり、内部にデフピニオン軸１２６に支持された第１、
第２デフピニオン１２８−１、１２８−２が取付けられ
ている。この第１、第２デフピニオン１２８−１、１２
８−２には、第１、第２デフサイドギヤ１３０−１、１
３０−２が夫々噛合している。この第１、第２デフサイ
ドギヤ１３０−１、１３０−２には、車両（図示せず）
の左右方向に指向する第１、第２アクスル軸１３２−
１、１３２−２が夫々連絡されている。The differential housing 124 includes the first and second
It is divided into two parts, diff housings 124-1 and 124-2, and is internally supported by the diff pinion shaft 126.
The second differential pinion 128-1, 128-2 is attached. The first and second differential pinions 128-1, 12
8-2 includes first and second differential side gears 130-1 and 1
30-2 are in mesh with each other. A vehicle (not shown) is provided on the first and second differential side gears 130-1 and 130-2.
Of the first and second axle shafts 132-
1 and 132-2 are contacted respectively.
【０００６】前記第１、第２デフハウジング１２４−
１、１２４−２は、デフサイドベアリングである第１、
第２デフサイド円錐ころ軸受１８４−１、１８４−２を
介してデフキャリヤ１１６の第１、第２デフサイドベア
リングボス部１８６−１、１８６−２に支持されてい
る。The first and second differential housings 124-
1, 124-2 are the first and second differential bearings,
It is supported by the first and second differential side bearing boss portions 186-1 and 186-2 of the differential carrier 116 via the second differential side tapered roller bearings 184-1 and 184-2.
【０００７】また、車両用減速装置のサンギヤ回り止め
装置としては、実公昭５９−２３４６号公報に開示され
る如く、エンジン駆動力を伝達されて回転するピニオン
ドライブギヤと、ピニオンドライブギヤに噛合して回転
するリングギヤと、リングギヤと同芯に固定されたサン
ギヤと、リングギヤの内歯とサンギヤに噛合して自転と
ともに公転するプラネタリギヤと、プラネタリギヤを軸
支して回転するデフケースと、これら回転要素を収容す
るキャリアカバーとを含んで構成される車両用減速差動
装置において、リングギヤ軸受用ベアリングの取付圧力
を調整するアジャストナットをサンギヤの端部外周面に
スプラインによって嵌合するとともにアジャストナット
の外周面にスプラインによって嵌合するロックプレート
を設け、ロックプレートのリングギヤの回転軸に対して
略点対称位置に形成した係合部をキャリアカバーまたは
連結体に係合させてロックプレートをキャリアカバーに
固定取付し、もってサンギヤをキャリアカバーに回り止
めして取り付けたものがあった。As disclosed in Japanese Utility Model Publication No. 59-2346, a sun gear detent device for a speed reducer for a vehicle meshes with a pinion drive gear that rotates by receiving an engine driving force and meshes with the pinion drive gear. The ring gear that rotates with the ring gear, the sun gear that is fixed concentrically with the ring gear, the planetary gear that meshes with the inner teeth of the ring gear and the sun gear, and revolves around its own axis, the diff case that rotates by pivotally supporting the planetary gear, and these rotating elements are housed. In the vehicle reduction differential device including the carrier cover, the adjusting nut for adjusting the mounting pressure of the bearing for the ring gear bearing is fitted to the outer peripheral surface of the end portion of the sun gear by a spline, and is attached to the outer peripheral surface of the adjusting nut. A lock plate that fits with a spline is provided The lock plate is fixedly attached to the carrier cover by engaging the engagement part formed at a position approximately point symmetrical with respect to the rotation axis of the ring gear of the hub to the carrier cover or the coupling body, and thus the sun gear is prevented from rotating on the carrier cover. There was one attached.
【０００８】[0008]
【発明が解決しようとする課題】ところで、従来の差動
装置においては、図１０〜図１２に示す如く、第１、第
２デフピニオン１２８−１、１２８−２及び第１、第２
デフサイドギヤ１３０−１、１３０−２をデフハウジン
グ１２４内に収容すべく、このデフハウジング１２４を
第１、第２デフハウジング１２４−１、１２４−２に２
分割していた。In the conventional differential device, as shown in FIGS. 10 to 12, the first and second differential pinions 128-1 and 128-2 and the first and second differential pinions 128-1 and 128-2 are used.
In order to house the differential side gears 130-1 and 130-2 in the differential housing 124, the differential housing 124 is installed in the first and second differential housings 124-1 and 124-2.
It was split.
【０００９】このような差動装置１１０は、例えば、図
１１に示す如く、前記第１デフハウジング１２４−１の
第１取付フランジ部１３４−１を前記第２デフハウジン
グ１２４−２の第２取付フランジ部１３４−２とリング
ギヤ１１４のギヤ側取付フランジ部１２０間に配置し、
前記第１、第２取付フランジ部１３４−１、１３４−２
に夫々設けられた第１、第２貫通孔部１４０、１４２に
螺刻部１３８を貫通させるとともに、ギヤ取付フランジ
部１２０の螺刻穴部１２２に前記螺刻部１３８を螺合す
る複数個のボルト１３６によって前記第１、第２デフハ
ウジング１２４−１、１２４−２とリングギヤ１１４と
を締付固定している。In such a differential device 110, for example, as shown in FIG. 11, the first mounting flange portion 134-1 of the first differential housing 124-1 is attached to the second mounting portion of the second differential housing 124-2. It is arranged between the flange portion 134-2 and the gear side mounting flange portion 120 of the ring gear 114,
The first and second mounting flange portions 134-1 and 134-2
A plurality of threaded portions 138 are formed through the first and second through holes 140 and 142 respectively provided in the gear mounting flange portion 120 and the threaded portion 138 is screwed into the threaded hole portion 122 of the gear mounting flange portion 120. The first and second differential housings 124-1 and 124-2 and the ring gear 114 are fastened and fixed by bolts 136.
【００１０】この結果、前記第１、第２デフハウジング
１２４−１、１２４−２に大なる加重がかかった時に
は、前記第１デフハウジング１２４−１が第２デフハウ
ジング１２４−２とリングギヤ１１４間ですべり易くな
ってしまい、第１デフハウジング１２４−１のズレによ
って前記ボルト１３６が緩み易くなり、実用上不利であ
るという不都合があった。As a result, when a large weight is applied to the first and second differential housings 124-1 and 124-2, the first differential housing 124-1 is placed between the second differential housing 124-2 and the ring gear 114. However, the bolt 136 is easily slipped, and the bolt 136 is easily loosened due to the displacement of the first differential housing 124-1, which is disadvantageous in practical use.
【００１１】また、前記ボルト１３６が緩み易くなるこ
とにより、第１、第２デフハウジング１２４−１、１２
４−２とリングギヤ１１４とを確実に固定することがで
きないとともに、前記ボルト１３６の脱落を招く惧れが
あり、実用上不利であるという不都合があった。Since the bolt 136 is easily loosened, the first and second differential housings 124-1 and 122-1
4-2 and the ring gear 114 cannot be securely fixed, and the bolt 136 may fall off, which is disadvantageous in practical use.
【００１２】[0012]
【課題を解決するための手段】そこで、この発明は、上
述不都合を除去するために、内部にギヤ群を収容するデ
フハウジングを設け、デフハウジングの取付フランジ部
をドライブピニオンに噛合するリングギヤのギヤ側取付
フランジ部に配置するとともにこのデフハウジングとリ
ングギヤとを複数個のギヤ固定用ボルトによって締付固
定した差動装置において、前記取付フランジ部に前記ボ
ルトの螺刻部より少許大なる径を有する貫通孔部を円周
等間隔に複数個設け、前記デフハウジングに前記ボルト
によって大なる締付力を与えるべく前記取付フランジ部
に設けられる所定部位の貫通孔部の少なくとも一部を前
記ボルトのヘッド部より大なる形状に形成したことを特
徴とする。Therefore, in order to eliminate the above-mentioned inconvenience, the present invention provides a gear for a ring gear in which a diff housing for accommodating a gear group is provided and a mounting flange portion of the diff housing is meshed with a drive pinion. In a differential device in which the diff housing and the ring gear are fastened and fixed by a plurality of gear fixing bolts while being arranged on the side mounting flange portion, the mounting flange portion has a diameter slightly smaller than the threaded portion of the bolt. A plurality of through holes are provided at equal intervals around the circumference, and at least a part of the through holes of a predetermined portion provided in the mounting flange portion for applying a large tightening force to the differential housing by the bolt is provided with a head of the bolt. It is characterized in that it is formed in a shape larger than the portion.
【００１３】[0013]
【作用】上述の如く発明したことにより、差動装置を組
み立てる際には、ギヤ群をデフハウジング内に収容し、
デフハウジングの取付フランジ部とリングギヤのギヤ側
取付フランジ部とを一致させ、複数個のボルトがデフハ
ウジングに与える締付力によってデフハウジングとリン
グギヤとを締付固定している。According to the invention as described above, when the differential device is assembled, the gear group is housed in the differential housing,
The mounting flange of the diff housing and the mounting flange of the ring gear on the gear side are aligned with each other, and the diff housing and the ring gear are clamped and fixed by a tightening force applied to the diff housing by a plurality of bolts.
【００１４】このとき、所定部位の貫通孔部の少なくと
も一部をボルトのヘッド部より大なる形状に形成したこ
とによってこの貫通孔部部位のボルトが第１デフハウジ
ングのみに大なる締付力を与えている。At this time, since at least a part of the through hole portion of the predetermined portion is formed in a shape larger than the head portion of the bolt, the bolt in the through hole portion exerts a large tightening force only on the first differential housing. I'm giving.
【００１５】[0015]
【実施例】以下図面に基づいてこの発明の実施例を詳細
に説明する。Embodiments of the present invention will be described in detail below with reference to the drawings.
【００１６】図１〜図４はこの発明の実施例を示すもの
である。図３、図４において、２は車両、４はエンジ
ン、６は変速機である。前記車両２には、例えば車両２
の前輪１２−１側部位、つまり、車両２の前側にエンジ
ン４が搭載されたものがある。1 to 4 show an embodiment of the present invention. In FIGS. 3 and 4, 2 is a vehicle, 4 is an engine, and 6 is a transmission. The vehicle 2 includes, for example, the vehicle 2
There is a front wheel 12-1 side portion of the vehicle, that is, a front side of the vehicle 2 in which the engine 4 is mounted.
【００１７】前記エンジン４には、図示しないクラッチ
を介して変速機６が連結され、この変速機６は、プロペ
ラシャフト８によって差動装置１０に連絡され、この差
動装置１０から後輪１２−２に駆動力を伝達している。A transmission 6 is connected to the engine 4 via a clutch (not shown). The transmission 6 is connected to a differential device 10 by a propeller shaft 8 and the rear wheel 12-is connected to the differential device 10. 2 is transmitting the driving force.
【００１８】前記差動装置１０は、リングギヤ１４と後
述するデフハウジング２４とを有している。前記リング
ギヤ１４は、一側（図１において上側）にドライブピニ
オン（図示せず）に噛合する歯部１８が形成され、他側
（図１において下側）に環状のギヤ側取付フランジ部２
０が形成されている。このギヤ側取付フランジ部２０に
は、複数個、例えば１２個の螺刻穴部２２が形成されて
いる。The differential device 10 has a ring gear 14 and a differential housing 24 which will be described later. The ring gear 14 has a tooth portion 18 that meshes with a drive pinion (not shown) formed on one side (upper side in FIG. 1) and an annular gear side mounting flange portion 2 on the other side (lower side in FIG. 1).
0 is formed. The gear-side mounting flange portion 20 is formed with a plurality of, for example, twelve threaded hole portions 22.
【００１９】前記リングギヤ１４の歯部１８は、ドライ
ブ軸（図示せず）に固設されるドライブピニオン（図示
せず）に噛合されている。The tooth portion 18 of the ring gear 14 is meshed with a drive pinion (not shown) fixedly mounted on a drive shaft (not shown).
【００２０】また、前記リングギヤ１４に固定されるデ
フハウジング２４は、内部に後述するギヤ群を収容すべ
く、例えば第１、第２デフハウジング２４−１、２４−
２に２分割されている。The diff housing 24 fixed to the ring gear 14 has, for example, first and second diff housings 24-1, 24-, so as to accommodate a gear group described later therein.
It is divided into two.
【００２１】前記第１、第２デフハウジング２４−１、
２４−２には、デフピニオン軸２６に支持された第１、
第２デフピニオン２８−１、２８−２が取付けられてい
る。この第１、第２デフピニオン２８−１、２８−２に
は、第１、第２デフサイドギヤ３０−１、３０−２が夫
々噛合している。この第１、第２デフサイドギヤ３０−
１、３０−２には、車両２の左右方向（図１においては
上下方向）に指向する第１、第２アクスル軸３２−１、
３２−２が夫々連絡されている。The first and second differential housings 24-1,
24-2, the first supported on the differential pinion shaft 26,
The second differential pinion 28-1, 28-2 is attached. First and second differential side gears 30-1 and 30-2 are meshed with the first and second differential pinions 28-1 and 28-2, respectively. The first and second differential side gears 30-
1, 30-2, the first and second axle shafts 32-1, which are oriented in the left-right direction (vertical direction in FIG. 1) of the vehicle 2.
32-2 has been contacted respectively.
【００２２】これらギヤ群を収容する第１、第２デフハ
ウジング２４−１、２４−２には、環状の第１、第２取
付フランジ部３４−１、３４−２が夫々設けられてい
る。The first and second differential housings 24-1 and 24-2 for accommodating these gear groups are provided with annular first and second mounting flange portions 34-1 and 34-2, respectively.
【００２３】また、前記第１、第２取付フランジ部３４
−１、３４−２にギヤ固定用ボルト３６の螺刻部３８よ
り少許大なる径を有する第１、第２貫通孔部４０、４２
を円周等間隔に複数個設け、前記第１、第２デフハウジ
ング２４−１、２４−２に前記ボルト３６によって大な
る締付力を与えるべく前記第２取付フランジ部３４−２
に設けられる所定部位の第２貫通孔部４２の少なくとも
一部を前記ボルト３６のヘッド部４４より大なる形状に
形成している。The first and second mounting flange portions 34 are also provided.
-1, 34-2 has a diameter slightly smaller than the threaded portion 38 of the gear fixing bolt 36, and the first and second through hole portions 40, 42.
Are provided at equal intervals around the circumference, and the second mounting flange portion 34-2 is provided to apply a large tightening force to the first and second differential housings 24-1 and 24-2 by the bolts 36.
At least a part of the second through hole portion 42 of a predetermined portion provided in the above is formed in a shape larger than the head portion 44 of the bolt 36.
【００２４】詳述すれば、第１デフハウジング２４−１
の第１取付フランジ部３４−１に第１貫通孔部４０を円
周等間隔に１２個設ける。この第１貫通孔部４０は、前
記ボルト３６の螺刻部３８より少許大なる径を有してい
る。More specifically, the first differential housing 24-1
Twelve first through-holes 40 are provided on the first mounting flange 34-1 at equal intervals around the circumference. The first through hole portion 40 has a diameter slightly smaller than the threaded portion 38 of the bolt 36.
【００２５】また、第２デフハウジング２４−２の第２
取付フランジ部３４−２には、前記第１、第２デフハウ
ジング２４−１、２４−２の係合時に所定部位の第１貫
通孔部４０に連絡するとともに、この第１貫通孔部４０
と同一径を有する第２貫通孔部４２を円周等間隔に６個
設け、この第２貫通孔部４２間の略中間部位には、切欠
き部４６を設けている。The second differential housing 24-2 has a second
The mounting flange portion 34-2 communicates with the first through hole portion 40 at a predetermined portion when the first and second differential housings 24-1 and 24-2 are engaged, and the first through hole portion 40 is also provided.
Six second through-hole portions 42 having the same diameter as that of the second through-hole portion 42 are provided at equal intervals around the circumference, and a notch portion 46 is provided at a substantially intermediate portion between the second through-hole portions 42.
【００２６】この切欠き部４６は、前記第２取付フラン
ジ部３４−２の厚さの少なくとも一部、例えば全部を貫
通するとともに、前記ボルト３６の六角形状のヘッド部
４４より大なる形状に形成し、第２取付フランジ部３４
−２を第２デフハウジング２４−２の周縁部位に達すべ
く形成されている。The notch portion 46 penetrates at least a part of the thickness of the second mounting flange portion 34-2, for example, all of it, and is formed in a shape larger than the hexagonal head portion 44 of the bolt 36. Then, the second mounting flange portion 34
-2 is formed to reach the peripheral portion of the second differential housing 24-2.
【００２７】次に作用について説明する。Next, the operation will be described.
【００２８】差動装置１０を組み立てる際には、デフピ
ニオン軸２６に支持された第１、第２デフピニオン２８
−１、２８−２とこの第１、第２デフピニオン２８−
１、２８−２に噛合する第１、第２デフサイドギヤ３０
−１、３０−２を第１、第２デフハウジング２４−１、
２４−２内に収容し、前記第１、第２デフハウジング２
４−１、２４−２の第１、第２取付フランジ部３４−
１、３４−２をリングギヤ１４のギヤ側取付フランジ部
２０に配置し、１２個のボルト３６の締付力によって前
記第１、第２デフハウジング２４−１、２４−２と前記
リングギヤ１４とを締付固定している。When assembling the differential device 10, the first and second differential pinion 28 supported by the differential pinion shaft 26.
-1, 28-2 and the first and second differential pinion 28-
First and second differential side gears 30 meshing with 1, 28-2
-1, 30-2 to the first and second differential housing 24-1,
The first and second differential housings 2 are housed in 24-2.
4-1 and 24-2 first and second mounting flange portions 34-
1, 34-2 are arranged on the gear side mounting flange portion 20 of the ring gear 14, and the first and second differential housings 24-1, 24-2 and the ring gear 14 are connected by the tightening force of the 12 bolts 36. It is fixed by tightening.
【００２９】このとき、第２取付フランジ部３４−２に
切欠き部４６を設けたことによってこの切欠き部４６部
位に配置されるボルト３６が第１デフハウジング２４−
１のみに大なる締付力を与えているとともに、前記切欠
き部４６部位以外に配置されたボルト３６が第１、第２
デフハウジング２４−１、２４−２に締付力を与えてい
る。At this time, since the notch portion 46 is provided in the second mounting flange portion 34-2, the bolt 36 arranged at the notch portion 46 is attached to the first differential housing 24-.
A large tightening force is applied only to the bolt No. 1 and the bolts 36 arranged at other than the cutout portion 46 are the first and second bolts.
A tightening force is applied to the differential housings 24-1 and 24-2.
【００３０】これにより、第１、第２デフハウジング２
４−１、２４−２に大なる締付力を夫々与えることがで
き、前記第２デフハウジング２４−２とリングギヤ１４
間に配置された第１デフハウジング２４−１のズレによ
るボルト３６の緩み、さらにはこのボルト３６の脱落を
防止し得て、実用上有利である。As a result, the first and second differential housings 2
A large tightening force can be applied to 4-1 and 24-2 respectively, and the second differential housing 24-2 and the ring gear 14 can be provided.
It is possible to prevent the bolt 36 from loosening due to the displacement of the first differential housing 24-1 arranged therebetween, and further to prevent the bolt 36 from falling off, which is practically advantageous.
【００３１】また、前記第１、第２デフハウジング２４
−１、２４−２に大なる締付力を夫々与えて前記第１デ
フハウジング２４−１のズレによるボルト３６の緩みを
防止できることにより、差動装置１０の安全性・信頼性
を向上し得るとともに、差動装置１０の性能を十分に発
揮し得て、実用上有利である。The first and second differential housings 24 are also provided.
-1, 24-2 can be respectively given a large tightening force to prevent the loosening of the bolt 36 due to the displacement of the first differential housing 24-1, thereby improving the safety and reliability of the differential device 10. At the same time, the performance of the differential device 10 can be sufficiently exhibited, which is practically advantageous.
【００３２】更に、第２デフハウジング２４−２の第２
取付フランジ部３４−２に切欠き部４６を設けたことに
より、第１デフハウジング２４−１のズレによるボルト
３６の緩みを防止できる差動装置１０の構造を複雑とす
ることなく形成でき、製作が容易で、製造コストを低廉
に維持でき、経済的にも有利である。Further, the second differential housing 24-2 has a second
By providing the notch portion 46 in the mounting flange portion 34-2, the structure of the differential device 10 capable of preventing the loosening of the bolt 36 due to the displacement of the first differential housing 24-1 can be formed without complicating. It is easy to carry out, the manufacturing cost can be kept low, and it is economically advantageous.
【００３３】なお、この発明は上述実施例に限定される
ものではなく、種々の応用改変が可能である。The present invention is not limited to the above-mentioned embodiment, but various application modifications are possible.
【００３４】例えば、この発明の実施例においては、第
２取付フランジ部３４−２に円周等間隔に設けられる６
個の第２貫通孔部４２間にボルト３６のヘッド部４４よ
り大なる形状に前記第２取付フランジ部３４−２を貫通
するとともに、第２デフハウジング２４−２の周縁部位
に達する切欠き部４６を形成したが、図５、図６に示す
如く、円筒形状のヘッド部５２に六角穴５４が形成され
たボルト５６を使用するとともに、上述実施例において
切欠き部４６を形成した第２デフハウジング２４−２の
第２取付フランジ部３４−２部位に前記ヘッド部５２よ
り少許大なる径を有する大径孔部５８を形成して使用す
ることも可能である。For example, in the embodiment of the present invention, the second mounting flange portion 34-2 is provided on the second mounting flange portion 34-2 at regular intervals.
A notch portion that penetrates the second mounting flange portion 34-2 in a shape larger than the head portion 44 of the bolt 36 between the second through hole portions 42 and reaches the peripheral portion of the second differential housing 24-2. As shown in FIG. 5 and FIG. 6, a bolt 56 in which a hexagonal hole 54 is formed in a cylindrical head portion 52 is used, and the notch portion 46 is formed in the second embodiment. It is also possible to form a large diameter hole portion 58 having a diameter slightly smaller than that of the head portion 52 at the second mounting flange portion 34-2 portion of the housing 24-2 for use.
【００３５】さすれば、より一層大なる締付力によって
第１、第２デフハウジング２４−１、２４−２とリング
ギヤ１４とを締付固定でき、第１デフハウジング２４−
１のズレを確実に防止し得るとともに、ボルト５６の緩
みを確実に防止し得て、実用上有利である。As a result, the first and second differential housings 24-1 and 24-2 and the ring gear 14 can be clamped and fixed by a greater tightening force, and the first differential housing 24-
It is possible to reliably prevent the deviation of No. 1 and the loosening of the bolt 56, which is practically advantageous.
【００３６】更に、上述した実施例においては、デフハ
ウジング２４が第１、第２デフハウジング２４−１、２
４−２に分割された構造の差動装置１０の第１デフハウ
ジング２４−１のズレを防止すべく、第２デフハウジン
グ２４−２の第２取付フランジ部３４−２の所定部位に
この第２取付フランジ部３４−２を貫通する切欠き部４
６や大径孔部５８を形成したが、図７〜図９に示す如
く、一体形のデフハウジング６４を使用した差動装置６
２にも使用することができる。Further, in the above-described embodiment, the differential housing 24 has the first and second differential housings 24-1 and 24-2.
In order to prevent the first differential housing 24-1 of the differential gear 10 having the structure divided into 4-2 from being displaced, the second differential flange 24-2 of the second differential housing 24-2 is provided with a predetermined portion at a predetermined position. 2 Notch 4 penetrating the mounting flange 34-2
6 and the large-diameter hole portion 58 are formed, a differential device 6 using an integral diff housing 64 as shown in FIGS.
It can also be used for 2.
【００３７】つまり、デフハウジング６４の取付フラン
ジ部６６に円周等間隔に８個の第３貫通孔部６８を設
け、所定箇所の第３貫通孔部６８には、取付フランジ部
６６の厚さより小である深さを有するとともに、ボルト
５６のヘッド部５２より少許大なる径の大径凹部７０を
設けて使用することも可能である。That is, eight third through-holes 68 are provided on the mounting flange 66 of the differential housing 64 at equal intervals around the circumference, and the third through-hole 68 at a predetermined position is thicker than the thickness of the mounting flange 66. It is also possible to use by providing a large-diameter concave portion 70 having a small depth and a diameter slightly smaller than the head portion 52 of the bolt 56.
【００３８】[0038]
【発明の効果】以上詳細に説明した如くこの発明によれ
ば、取付フランジ部にボルトの螺刻部より少許大なる径
を有する貫通孔部を円周等間隔に複数個設け、デフハウ
ジングにボルトによって大なる締付力を与えるべく取付
フランジ部に設けられる所定部位の貫通孔部の少なくと
も一部をボルトのヘッド部より大なる形状に形成したの
で、デフハウジングに大なる締付力を与えることがで
き、デフハウジングのズレによるボルトの緩みを防止し
得て、実用上有利である。また、デフハウジングに大な
る締付力を与えてデフハウジングのズレによるボルトの
緩みを防止できることにより、ボルトの脱落を防止で
き、差動装置の安全性を向上するとともに、差動装置の
性能を十分に発揮させ得て、実用上有利である。As described in detail above, according to the present invention, a plurality of through holes having a diameter slightly smaller than the threaded portion of the bolt are provided in the mounting flange portion at equal intervals around the circumference, and the bolt is provided in the differential housing. Since at least a part of the through hole portion of the predetermined portion provided in the mounting flange portion is formed to have a shape larger than the head portion of the bolt in order to give a large tightening force, the differential housing is provided with a large tightening force. It is possible to prevent loosening of the bolt due to the shift of the differential housing, which is practically advantageous. Also, by applying a large tightening force to the diff housing and preventing the bolt from loosening due to displacement of the diff housing, it is possible to prevent the bolt from falling off, improve the safety of the differential device, and improve the performance of the differential device. It can be fully used and is practically advantageous.
【図１】この発明の実施例を示す差動装置の断面図であ
る。FIG. 1 is a sectional view of a differential device showing an embodiment of the present invention.
【図２】差動装置の側面図である。FIG. 2 is a side view of a differential device.
【図３】車両の概略説明図である。FIG. 3 is a schematic explanatory diagram of a vehicle.
【図４】車両の概略説明図である。FIG. 4 is a schematic explanatory diagram of a vehicle.
【図５】この発明の他の実施例を示す差動装置の側面図
である。FIG. 5 is a side view of a differential gear device according to another embodiment of the present invention.
【図６】差動装置の断面図である。FIG. 6 is a cross-sectional view of a differential device.
【図７】この発明のその他の実施例を示す差動装置の概
略側面図である。FIG. 7 is a schematic side view of a differential gear device according to another embodiment of the present invention.
【図８】差動装置の概略断面図である。FIG. 8 is a schematic sectional view of a differential device.
【図９】差動装置の要部拡大図である。FIG. 9 is an enlarged view of a main part of the differential device.
【図１０】この発明の従来の技術を示す差動装置の側面
図である。FIG. 10 is a side view of a differential device showing a conventional technique of the present invention.
【図１１】差動装置の断面図である。FIG. 11 is a cross-sectional view of a differential device.
【図１２】差動装置の断面図である。FIG. 12 is a cross-sectional view of a differential device.
１０ 差動装置 １４ リングギヤ ２０ ギヤ側取付フランジ部 ２２ 螺刻穴部 ２４−１ 第１デフハウジング ２４−２ 第２デフハウジング ３４−１ 第１取付フランジ部 ３４−２ 第２取付フランジ部 ３６ ギヤ固定用ボルト ３８ 螺刻部 ４０ 第１貫通孔部 ４２ 第２貫通孔部 ４４ ヘッド部 ４６ 切欠き部 10 differential gear 14 ring gear 20 gear side mounting flange portion 22 threaded hole portion 24-1 first differential housing 24-2 second differential housing 34-1 first mounting flange portion 34-2 second mounting flange portion 36 gear fixing Bolt 38 Threaded portion 40 First through hole portion 42 Second through hole portion 44 Head portion 46 Notch portion
Claims (1)
を設け、デフハウジングの取付フランジ部をドライブピ
ニオンに噛合するリングギヤのギヤ側取付フランジ部に
配置するとともにこのデフハウジングとリングギヤとを
複数個のギヤ固定用ボルトによって締付固定した差動装
置において、前記取付フランジ部に前記ボルトの螺刻部
より少許大なる径を有する貫通孔部を円周等間隔に複数
個設け、前記デフハウジングに前記ボルトによって大な
る締付力を与えるべく前記取付フランジ部に設けられる
所定部位の貫通孔部の少なくとも一部を前記ボルトのヘ
ッド部より大なる形状に形成したことを特徴とする差動
装置。1. A diff housing for accommodating a gear group is provided inside, and a mounting flange portion of the diff housing is arranged on a gear side mounting flange portion of a ring gear meshing with a drive pinion, and the diff housing and the ring gear are provided in a plurality. In the differential device tightened and fixed by a gear fixing bolt, a plurality of through holes having a diameter slightly smaller than the threaded portion of the bolt are provided at equal intervals on the mounting flange portion, and the differential housing is provided with the through holes. A differential device characterized in that at least a part of a through hole portion of a predetermined portion provided in the mounting flange portion is formed in a shape larger than a head portion of the bolt so as to give a large tightening force by the bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4226592A JPH05209657A (en) | 1992-01-31 | 1992-01-31 | Differential device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4226592A JPH05209657A (en) | 1992-01-31 | 1992-01-31 | Differential device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05209657A true JPH05209657A (en) | 1993-08-20 |
Family
ID=12631211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4226592A Pending JPH05209657A (en) | 1992-01-31 | 1992-01-31 | Differential device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05209657A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008121738A (en) * | 2006-11-09 | 2008-05-29 | Ｇｋｎ ドライブライン トルクテクノロジー株式会社 | Flange structure to which rotation driving force transmitting member is fixed |
-
1992
- 1992-01-31 JP JP4226592A patent/JPH05209657A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008121738A (en) * | 2006-11-09 | 2008-05-29 | Ｇｋｎ ドライブライン トルクテクノロジー株式会社 | Flange structure to which rotation driving force transmitting member is fixed |
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