JPS59177823U

JPS59177823U - Assembly type hollow crankshaft

Info

Publication number: JPS59177823U
Application number: JP7354083U
Authority: JP
Inventors: 石井出　秀則; 須山　精人; 原　寿広; 新谷　英俊
Original assignee: マツダ株式会社
Priority date: 1983-05-17
Filing date: 1983-05-17
Publication date: 1984-11-28

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は本考案の実施例にかかるクランクシャフトの垂
直断面図、第２図はクランクシャフトの組立ユニットの
円板部材を除いた分解断面図、第３図は第１図のＡ−Ａ
線方向からみたクランクアーム部の正面図、第４図はク
ランクシャフトめ組立ユニットを示す断面図、第５図Ｉ
、　　ＩＩは組立ユニットの組立工程を順次に示す工程
説明図である。１・・・クランクシャフト、２・・・パイプ材、３・・
・クランクピン部、４・・・パイプ材、５・・・ジャー
ナル部、６・・・クランクアーム部、６−１．　６−２
・・・一対の合せ材、７．８・・・結合用穴、９．１０
・・・セレーション、１１．１２・・・円板部材。FIG. 1 is a vertical cross-sectional view of a crankshaft according to an embodiment of the present invention, FIG. 2 is an exploded cross-sectional view of the crankshaft assembly unit excluding the disc member, and FIG. 3 is a line A-A in FIG. 1.
FIG. 4 is a front view of the crank arm section seen from the linear direction, FIG. 4 is a sectional view showing the crankshaft assembly unit, and FIG. 5 I
, II are process explanatory diagrams sequentially showing the assembly process of the assembly unit. 1... Crankshaft, 2... Pipe material, 3...
- Crank pin part, 4... Pipe material, 5... Journal part, 6... Crank arm part, 6-1. 6-2
...Pair of mating materials, 7.8...Joining hole, 9.10
...Serration, 11.12...Disc member.

Claims

[Scope of utility model registration request]

The crank pin part and the journal part are formed of pipe material, and the crank arm part is provided with a hole with a larger diameter than the outside diameter of the pipe material as a connection part with the crank pin part and the journal part, and the inner peripheral surface of each hole is Serrations are carved into the shaft, and the ends of the pipes forming the crank pin and journal sections are expanded in each hole in the crank arm section, and the outer periphery is cut into the serrations in the hole. 1. A prefabricated hollow crankshaft, which is integrally connected to a crank arm part in a state in which the crankshaft is assembled, and a disc member is press-fitted into each expanding part of the pipe material.