CN202029649U - 用于轿车轮毂轴的轴节结构 - Google Patents

用于轿车轮毂轴的轴节结构 Download PDF

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CN202029649U
CN202029649U CN2011201361051U CN201120136105U CN202029649U CN 202029649 U CN202029649 U CN 202029649U CN 2011201361051 U CN2011201361051 U CN 2011201361051U CN 201120136105 U CN201120136105 U CN 201120136105U CN 202029649 U CN202029649 U CN 202029649U
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packing ring
end joint
coupling
gasket
joint
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谭英杰
陈海
陈正康
李小波
高林峰
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Jianan Industry Co., Ltd., Sichuan Prov.
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JIAN'AN REAR AXLE AUTOMOBILE CO Ltd CHINA CHANG'AN SICHUAN BRANCH
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Abstract

本实用新型公开了一种用于轿车轮毂轴的轴节结构,可防止垫圈对锁紧螺母施加扭矩,有效保护锁紧螺母上设置的锁紧螺栓不被剪断。该结构包括轮毂轴的端部轴节和带有安装孔的垫圈,所述垫圈通过安装孔套接在所述端部轴节上,所述端部轴节的外壁上设置有防止垫圈沿所述端部轴节的周向转动的限位面,所述限位面由所述端部轴节的一端沿所述轮毂轴的轴向延伸至端部轴节的另一端;所述垫圈的安装孔的形状与所述端部轴节的横截面的形状匹配。通过设置限位面,可防止垫圈沿端部轴节的周向转动,垫圈不会发生转动,也就不会对锁紧螺母施加扭矩,进而可有效保护锁紧螺栓,确保锁紧螺母与端部轴节连接牢靠。

Description

用于轿车轮毂轴的轴节结构
技术领域
本实用新型涉及一种用于轿车轮毂轴的轴节结构。
背景技术
现有的轿车轮毂轴包括端部轴节和与端部轴节相连的轴承轴节,轴承轴节上安装有轴承,端部轴节的外壁上设置有螺纹并套装有垫圈,垫圈的表面与上述轴承的内圈的端面接触;垫圈外侧的端部轴节上安装有锁紧螺母,锁紧螺母与端部轴节螺纹连接;锁紧螺母以及端部轴节上还设置有对应的螺栓孔,螺栓孔内设置有锁紧螺栓,该锁紧螺栓用于防止锁紧螺母松动。采用上述结构,由于垫圈通过其上的安装孔套接在端部轴节上,而端部轴节为圆柱体形状,因此垫圈的安装孔为圆形,这就使得垫圈可绕端部轴节的周向转动,上述轴承的内圈的端面与垫圈的表面接触,在轴承内圈转动的带动下,垫圈有可能随之发生转动,垫圈的转动会对锁紧螺母施加扭矩,使锁紧螺母具有转动的趋势,当扭矩增加到一定程度后,锁紧螺母与端部轴节之间设置的锁紧螺栓会被剪断。
实用新型内容
本实用新型解决的技术问题是提供一种可防止垫圈对锁紧螺母施加扭矩的用于轿车轮毂轴的轴节结构。
本实用新型解决其技术问题所采用的技术方案是:用于轿车轮毂轴的轴节结构,包括轮毂轴的端部轴节和带有安装孔的垫圈,所述垫圈通过安装孔套接在所述端部轴节上,所述端部轴节的外壁上设置有防止垫圈沿所述端部轴节的周向转动的限位面,所述限位面由所述端部轴节的一端沿所述轮毂轴的轴向延伸至端部轴节的另一端;所述垫圈的安装孔的形状与所述端部轴节的横截面的形状匹配。
进一步的是:所述限位面为平面。
本实用新型的有益效果是:通过设置限位面,可防止垫圈沿端部轴节的周向转动,垫圈不会发生转动,也就不会对锁紧螺母施加扭矩,进而可有效保护锁紧螺栓,确保锁紧螺母与端部轴节连接牢靠。
附图说明
图1为现有技术中的端部轴节的示意图;
图2为现有技术中的垫圈的安装孔的示意图;
图3为限位面为平面的端部轴节的示意图;
图4为与限位面为平面的端部轴节匹配的垫圈的示意图;
图5为轴承、垫圈和锁紧螺母位置关系示意图。
图中标记为:1-轴承,2-垫圈,3-锁紧螺母,4-螺栓孔,5-端部轴节,7-安装孔,8-轮毂轴,9-限位面,10-外壁。
具体实施方式
下面结合附图和具体实施方式对本实用新型进一步说明。
如图1和图2所示,现有技术中,轮毂轴8的端部轴节5为圆柱体形状,其横截面为圆形,相应的垫圈2的安装孔7也为圆形,这种设置方式使得垫圈2可沿端部轴节5的周向转动。
如图3至图5所示,本实用新型的用于轿车轮毂轴的轴节结构,包括轮毂轴8的端部轴节5和带有安装孔7的垫圈2,所述垫圈2通过安装孔7套接在所述端部轴节5上,所述端部轴节5的外壁10上设置有防止垫圈2沿所述端部轴节5的周向转动的限位面9,所述限位面9由所述端部轴节5的一端沿所述轮毂轴8的轴向延伸至端部轴节5的另一端;所述垫圈2的安装孔7的形状与所述端部轴节5的横截面的形状匹配。上述限位面9可为波浪面,V形面,也可为平面,优选为平面,因平面便于加工和使用。
上述结构中,由于端部轴节5上设置有限位面9,使得端部轴节5的横截面不是圆形,当限位面9为波浪面时,端部轴节5的横截面的轮廓由圆弧段和与圆弧段相连的波浪段组成,由于垫圈2的安装孔7的形状与所述端部轴节5的横截面的形状匹配,则垫圈的2的安装孔7也由圆弧段和与圆弧段相连的波浪段组成,且垫圈2的安装孔7的内壁与端部轴节5的外壁紧密接触;当限位面9为平面时,端部轴节5的横截面的轮廓由圆弧段和与圆弧段相连的直线段组成,由于垫圈2的安装孔7的形状与所述端部轴节5的横截面的形状匹配,则垫圈的2的安装孔7也由圆弧段和与圆弧段相连的直线段组成,且垫圈2的安装孔7的内壁与端部轴节5的外壁紧密接触。由于限位面9与垫圈2的安装孔7的内壁之间的紧密接触配合,使得限位面9对垫圈2起到阻挡限位作用,使得套接在端部轴节5上的垫圈2无法沿端部轴节5的周向转动,进而在轴承1的内圈的带动下,垫圈2也不会发生转动,可有效保护螺栓孔4上安装的锁紧螺栓,确保锁紧螺母3与端部轴节5连接牢靠。

Claims (2)

1.用于轿车轮毂轴的轴节结构,包括轮毂轴(8)的端部轴节(5)和带有安装孔(7)的垫圈(2),所述垫圈(2)通过安装孔(7)套接在所述端部轴节(5)上,其特征是:所述端部轴节(5)的外壁(10)上设置有防止垫圈(2)沿所述端部轴节(5)的周向转动的限位面(9),所述限位面(9)由所述端部轴节(5)的一端沿所述轮毂轴(8)的轴向延伸至端部轴节(5)的另一端;所述垫圈(2)的安装孔(7)的形状与所述端部轴节(5)的横截面的形状匹配。
2.如权利要求1所述的用于轿车轮毂轴的轴节结构,其特征是:所述限位面(9)为平面。
CN2011201361051U 2011-05-03 2011-05-03 用于轿车轮毂轴的轴节结构 Expired - Lifetime CN202029649U (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017020872A1 (zh) * 2015-08-06 2017-02-09 杨东佐 一种连接轴装置及自行车

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017020872A1 (zh) * 2015-08-06 2017-02-09 杨东佐 一种连接轴装置及自行车

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