The invention discloses a casing pipe for an automobile rear axle, a rear axle assembly and a using method, and relates to the technical field of automobile accessories, the casing pipe comprises a pipe body, the pipe body comprises a welding section, a connecting section and a threaded section which are connected in sequence, and the welding section and the connecting section are detachably connected through a mounting mechanism; an oil injection bayonet communicated with an inner cavity of the pipe body is formed in the pipe wall of one end of the connecting section, a second oil injection port is formed in the pipe wall of the other end of the connecting section, a plurality of strip-shaped oil grooves are formed in the pipe wall surface of the threaded section, an annular oil groove and an oil passing groove are formed in the pipe wall cavity of the threaded section, and the oil passing groove is communicated with the second oil injection port; lubricating oil is injected into the inner cavity of the pipe body through the oil injection clamping opening, the surface of the threaded section is lubricated through cooperation of the second oil injection opening, the oil passing groove, the annular oil groove and the like, and the welding section and the connecting section are connected through the detachable mounting mechanism. The problems that lubricating oil is difficult to inject into an inner cavity of a pipe body and the surface of a threaded section during daily maintenance of the casing pipe for the automobile rear axle, and the casing pipe is inconvenient to replace after being damaged are solved.

    本发明公开了一种汽车后桥用套管、后桥总成及使用方法,涉及汽车配件技术领域,包括管体,管体包括依次连接的焊接段、连接段和螺纹段,焊接段与连接段通过安装机构形成可拆卸连接;连接段一端管壁上开设有与管体内腔连通的注油卡口,另一端管壁上开设第二注油口,螺纹段管壁表面开设有多个条形油槽,螺纹段管壁腔内开设有环形油槽和走油槽,走油槽与第二注油口连通;本发明通过注油卡口对管体内腔注入润滑油,通过第二注油口、走油槽和环形油槽等配合对螺纹段表面进行润滑,且焊接段与连接段之间通过可拆卸的安装机构连接,解决了汽车后桥用套管在日常保养时难以对管体内腔和螺纹段表面加注润滑油以及发生损坏后不便于对套管进行更换的问题。


    Access

    Download


    Export, share and cite



    Title :

    Sleeve for automobile rear axle, rear axle assembly and using method


    Additional title:

    一种汽车后桥用套管、后桥总成及使用方法


    Contributors:
    JIA XIULEI (author) / JIA XIUQIAN (author) / YANG MENGMENG (author) / SONG QIANQIAN (author) / LI ZHUANG (author)

    Publication date :

    2025-02-14


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60B VEHICLE WHEELS , Räder für Fahrzeuge / F16N LUBRICATING , Schmierung



    Automobile rear axle assembly

    ZHOU YU | European Patent Office | 2022

    Free access

    Automobile supporting rear axle assembly

    CHI GENGSHEN | European Patent Office | 2021

    Free access

    Protective rear axle housing for automobile rear drive axle

    GAO ZHEN | European Patent Office | 2021

    Free access

    Half shaft sleeve, wet disc brake, rear axle assembly and assembling method of rear axle assembly

    DONG ZHIMING / GUO HAIQUAN / SONG LIMING et al. | European Patent Office | 2023

    Free access

    Rear axle sleeve and rear axle trailing arm connecting structure and vehicle

    LIU HUIJIAN / CHEN YANG / CHENG LIN et al. | European Patent Office | 2024

    Free access