CN201262198Y - 七沟道球笼式万向节 - Google Patents

七沟道球笼式万向节 Download PDF

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CN201262198Y
CN201262198Y CNU2008201517034U CN200820151703U CN201262198Y CN 201262198 Y CN201262198 Y CN 201262198Y CN U2008201517034 U CNU2008201517034 U CN U2008201517034U CN 200820151703 U CN200820151703 U CN 200820151703U CN 201262198 Y CN201262198 Y CN 201262198Y
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universal joint
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石宝枢
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Zhejiang UIS Driveline Co., Ltd.
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石宝枢
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Abstract

本实用新型涉及一种七沟道球笼式万向节。包括钟形壳、传动轴,保持架、若干钢球、星形套、卡簧等组成。所述钢球为七个,保持架的窗孔数为七个,所述钟形壳和星形套相应的沟道亦为七个,所述星形套装入保持架内,所述七个钟形壳和星形套的沟道分别对应保持架的七个窗孔,所述钢球位于星形套和钟形壳的七个沟道内,星形套借助花键安装在传动轴上并由弹簧挡圈轴向定位。与现有技术相比,由于采用了本实用新型提出的七沟道球笼式万向节,较传统的球笼式万向节提高了承载能力,额定载荷提高了16%,又避免了八个钢球难于布置的现象。

Description

七沟道球笼式万向节
技术领域:
本实用新型涉及一种中心固定型等速万向节,更具体地说涉及一种当主、从动轴有角位移时能够传递运动和转矩的七沟道球笼式万向节。
背景技术:
在现有技术中,传统结构的球笼式万向节的钢球数为六个,相应钟形壳和星形套沟道均为六个,这种六沟道球笼式万向节因钢球数为六个,显得数量少,其内部空间未充分利用,承载能力较低,额定载荷较小。为改善其承载能力,八沟道的球笼式万向节问世,这种八沟道的球笼式万向节的钢球数为八个,其相应的钟形壳和星形套沟道均为八个,这种意在增大承载能力的改变并未取得好的效果,其缺点是:由于空间布置的需要,只能取较小的钢球,不仅不能明显的提高承载能力,而使钟形壳和星形套沟道梁变窄,反而使零件易损坏。这种结构的另一个缺点是其保持架,窗孔沿周向亦为八等分,而窗孔长大于钢球直径,这样保持架八等分的横筋很小,工作中易破碎。
实用新型内容:
本实用新型的目的是针对现有技术不足之处而提供一种既可提高承载能力又能保证各部分结构强度的、适应主、从动轴有角位移的传递运动和转矩的七沟道球笼式万向节。
本实用新型的目的是通过以下措施来实现:一种七沟道球笼式万向节,包括钟形壳、传动轴,保持架、若干钢球、星形套、卡簧等组成,其特征是:所述钢球为七个,保持架的窗孔数为七个,所述钟形壳和星形套相应的沟道亦为七个,所述星形套装入保持架内,所述七个钟形壳和星形套的沟道分别对应保持架的七个窗孔,所述钢球位于星形套和钟形壳的七个沟道内,星形套借助花键安装在传动轴上并由弹簧挡圈轴向定位。
所述钟形壳最大外径为Dk,钢球直径为Dw,则Dw=(0.19~0.20)Dk。
所述保持架的两端面是非对称结构的圆柱面内孔。
与现有技术相比,由于采用了本实用新型提出的七沟道球笼式万向节,较传统的球笼式万向节提高了承载能力,额定载荷提高了16%,又避免了八个钢球难于布置的现象。
附图说明:
图1是本实用新型的纵向正剖视构造图。
图2是图1实施例A-A剖视图。
图中1.传动轴,2.钟形壳,3.钢球,4.保持架,5.星形套,6.卡簧。
具体实施方式:
下面结合附图对具体实施方式作详细说明:
在图1所示本实用新型的一个实施例中,一种七沟道球笼式万向节,包括钟形壳2、传动轴1,保持架4、若干钢球3、星形套5、卡簧6等组成;所述钢球为七个,保持架的窗孔数为七个,所述钟形壳和星形套相应的沟道亦为七个,所述星形套装入保持架内,所述七个钟形壳和星形套的沟道分别对应保持架的七个窗孔,所述钢球位于星形套和钟形壳的七个沟道内,星形套借助花键安装在传动轴上并由弹簧挡圈轴向定位。
图中0为保持架4内、外球面,星形套5外球面,钟形套2内球面的中心。01为钟形壳2七个沟道的曲率中心。02为星形套5七个沟道的曲率中心。根据球笼式万向节等速性原理,偏心距010=020=e,七个沟道沿圆周七等分,若钟形壳最大外径为Dk,钢球直径为Dw,则Dw=(0.19~0.20)Dk。保持架4窗孔为七等分,由于是奇数,保持架4两端的较短圆柱面应设计成非对称结构,其中一端直径较大。轴向尺寸较宽,用于装配星形套。
上述实施例并不构成对本实用新型的限制,但凡采用等同替换或等效变换的形式所获得的技术方案,均落在本实用新型的保护范围之内。

Claims (3)

1.七沟道球笼式万向节,包括钟形壳、传动轴,保持架、若干钢球、星形套、卡簧等组成,其特征是:所述钢球为七个,保持架的窗孔数为七个,所述钟形壳和星形套相应的沟道亦为七个,所述星形套装入保持架内,所述七个钟形壳和星形套的沟道分别对应保持架的七个窗孔,所述钢球位于星形套和钟形壳的七个沟道内,星形套借助花键安装在传动轴上并由弹簧挡圈轴向定位。
2.根据权利要求1所述的七沟道球笼式万向节,其特征是所述钟形壳最大外径为Dk,钢球直径为Dw,则Dw=(0.19~0.20)Dk。
3.根据权利要求1所述的七沟道球笼式万向节,其特征是所述保持架的两端面是非对称结构的圆柱面内孔。
CNU2008201517034U 2008-08-06 2008-08-06 七沟道球笼式万向节 Expired - Fee Related CN201262198Y (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104863980A (zh) * 2014-02-20 2015-08-26 杨洪香 双七组合沟道球笼式等速万向节传动轴总成
CN104863979A (zh) * 2014-02-20 2015-08-26 杨洪香 双偏心等速万向节传动轴总成

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104863980A (zh) * 2014-02-20 2015-08-26 杨洪香 双七组合沟道球笼式等速万向节传动轴总成
CN104863979A (zh) * 2014-02-20 2015-08-26 杨洪香 双偏心等速万向节传动轴总成

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CF01 Termination of patent right due to non-payment of annual fee