JPH01147106U - - Google Patents

Description

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

第１図は本考案の一実施例を示す全浮動式リヤ
アクスルの片側の要部断面図、第２図は従来技術
を示す全浮動式リヤアクスルの片側の要部断面図
である。 １……アクスルハウジング、１ａ……アクスル
ハウジング端部、２……リヤアクスル、２ａ，１
０……フランジ部、２ｂ……リヤアクスル外周面
、３……ホイールハブ、４……テーパローラ軸受
、１０ａ……凹陥部、１０ｂ……貫通穴、１０ｃ
……凹陥部の外周側側面、１０ｅ……フランジ部
内面。 FIG. 1 is a cross-sectional view of one side of a main part of a fully floating rear axle showing an embodiment of the present invention, and FIG. 2 is a cross-sectional view of a main part of one side of a fully floating rear axle showing the prior art. 1...Axle housing, 1a...Axle housing end, 2...Rear axle, 2a, 1
0...Flange portion, 2b...Rear axle outer peripheral surface, 3...Wheel hub, 4...Taper roller bearing, 10a...Concave portion, 10b...Through hole, 10c
...Outer peripheral side surface of the recessed portion, 10e...Inner surface of the flange portion.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 略円筒状のアクスルハウジングと、該アクスル
ハウジング内に配置され、該アクスルハウジング
の両端からそれぞれ突出する円盤状のフランジ部
を有する駆動軸たるリヤアクスルと、一端が前記
フランジ部に他端がブレーキドラムにそれぞれ固
着され、前記アクスルハウジングの両端部を内方
に収容する円筒状の各ホイールハブと、該各ホイ
ールハブの内周面と前記アクスルハウジングの両
端部の外周面との間に各２個ずつ配置されるテー
パローラ軸受とを具備し、各後車輪にかかる荷重
を前記軸受を介して前記アクスルハウジングで受
け、前記リヤアクスルには駆動や制動トルク以外
の一切の荷重がかからないようにした全浮動式リ
ヤアクスルにおいて、前記リヤアクスルのフラン
ジ部の内面に、前記リヤアクスルの外周面から前
記リヤアクスルの外方に向かつて広がる凹陥部を
形成し、該凹陥部の外周側側面を含む位置と前記
フランジ部外方とを連通する複数の貫通穴を設け
、前記リヤアクスルを回転させて該貫通穴が前記
フランジ部の最下点に来た際に、該貫通穴が外側
に向かつて下方に傾斜するよう構成したことを特
徴とする全浮動式リヤアクスル。 a substantially cylindrical axle housing; a rear axle serving as a drive shaft having disk-shaped flanges disposed within the axle housing and protruding from both ends of the axle housing; one end connected to the flange portion and the other end connected to the brake drum; each cylindrical wheel hub that is fixed to each other and accommodates both ends of the axle housing; two pieces each between the inner circumferential surface of each wheel hub and the outer circumferential surface of both ends of the axle housing; A fully floating rear axle, comprising: a tapered roller bearing disposed in the rear axle; the load applied to each rear wheel is received by the axle housing via the bearing, and no load other than driving and braking torque is applied to the rear axle; A concave portion is formed on the inner surface of the flange portion of the rear axle, and a concave portion that spreads outward from the outer circumferential surface of the rear axle is formed, and a position including the outer circumferential side surface of the concave portion and the outside of the flange portion are formed. A plurality of communicating through holes are provided, and when the rear axle is rotated and the through holes reach the lowest point of the flange portion, the through holes are directed outward and inclined downward. Fully floating rear axle.