CN203747558U - 球头顶杆 - Google Patents

球头顶杆 Download PDF

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Publication number
CN203747558U
CN203747558U CN201320779511.9U CN201320779511U CN203747558U CN 203747558 U CN203747558 U CN 203747558U CN 201320779511 U CN201320779511 U CN 201320779511U CN 203747558 U CN203747558 U CN 203747558U
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push rod
ball head
head push
bulb
rotor
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Expired - Lifetime
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CN201320779511.9U
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Inventor
朱建洪
梁雨春
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Ningbo Jinghua Electronics Technology Co ltd
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NINGBO JINGHUA ELECTRONICS TECHNOLOGY Co Ltd
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Abstract

本实用新型提供一种球头顶杆,它的中部设有外螺纹段,所述球头顶杆通过外螺纹段与转子连接,头部设有球头,所述球头顶杆的球头和外螺纹段之间设有第一环形挡圈,所述球头顶杆远离球头的一端设有第二环形挡圈。采用上述结构,球头顶杆的两端均设有环形挡圈,在球头顶杆相对于转子做直线运动时,第一环形挡圈和第二环形挡圈均可以限制球头顶杆的直线运动距离,防止球头顶杆从转子上脱落。

Description

球头顶杆
技术领域
本实用新型涉及一种调光电机用球头顶杆。 
背景技术
现有技术中,汽车前照明灯调光电机的球头顶杆是通过位于中部的外螺纹与转子上的内螺纹配合安装的,转子的旋转运动转换成球头顶杆相对于转子的直线运动,但是现有技术中的球头顶杆上没有限位装置,当球头顶杆移动到光杆部分时,有可能从转子上脱落,造成调光装置出现故障。 
实用新型内容
本实用新型所要解决的技术问题是,克服了现有技术的缺陷,提供了一种不易从转子上脱落的球头顶杆。 
为解决上述技术问题,本实用新型提出一种球头顶杆,它的中部设有外螺纹段,所述球头顶杆通过外螺纹段与转子连接,头部设有球头,所述球头顶杆的球头和外螺纹段之间设有第一环形挡圈,所述球头顶杆远离球头的一端设有第二环形挡圈。 
采用上述结构,球头顶杆的两端均设有环形挡圈,在球头顶杆相对于转子做直线运动时,第一环形挡圈和第二环形挡圈均可以限制球头顶杆的直线运动距离,防止球头顶杆从转子上脱落。 
附图说明
图1为本实用新型的结构示意图; 
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作进一步详细的说明: 
如图1所示:本实用新型提出一种球头顶杆1,它的中部设有外螺纹段1.1,所述球头顶杆1通过外螺纹段1.1与转子2连接,球头顶杆1的头部设有球头1.2,所述球头顶杆1的球头1.2和外螺纹段1.1之间设有第一环形挡圈1.3,所述球头顶杆1远离球头1.2的一端设有第二环形挡圈1.4。 
所述第一环形挡圈1.3与球头顶杆1一体成型。采用这种结构,加工比较简 单方便,稳定性较高。 
所述第二环形挡圈1.4设在轴承的内侧。 
采用上述结构,球头顶杆的两端均设有环形挡圈,在球头顶杆相对于转子做直线运动时,第一环形挡圈和第二环形挡圈均可以限制球头顶杆的直线运动距离,防止球头顶杆从转子上脱落。 

Claims (2)

1.一种球头顶杆,它的中部设有外螺纹段(1.1),所述球头顶杆(1)外螺纹段(1.1)与转子(2)连接,球头顶杆(1)的头部设有球头(1.2),其特征在于:所述球头顶杆(1)的球头(1.2)和外螺纹段(1.1)之间设有第一环形挡圈(1.3),所述球头顶杆(1)远离球头(1.2)的一端设有第二环形挡圈(1.4)。 
2.根据权利要求1所述的球头顶杆,其特征在于:所述第一环形挡圈(1.3)与球头顶杆(1)一体成型。 
CN201320779511.9U 2013-11-29 2013-11-29 球头顶杆 Expired - Lifetime CN203747558U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320779511.9U CN203747558U (zh) 2013-11-29 2013-11-29 球头顶杆

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320779511.9U CN203747558U (zh) 2013-11-29 2013-11-29 球头顶杆

Publications (1)

Publication Number Publication Date
CN203747558U true CN203747558U (zh) 2014-07-30

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Family Applications (1)

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CN201320779511.9U Expired - Lifetime CN203747558U (zh) 2013-11-29 2013-11-29 球头顶杆

Country Status (1)

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CN (1) CN203747558U (zh)

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C56 Change in the name or address of the patentee
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Address after: 315194 Zhejiang city of Ningbo province Yinzhou District South Street chating um Village

Patentee after: NINGBO JINGHUA ELECTRONICS TECHNOLOGY Co.,Ltd.

Address before: 315194 Zhejiang city of Ningbo province Yinzhou District South Street chating Industrial Zone, Xiao Gaolu

Patentee before: NINGBO JINGHUA ELECTRONICS TECHNOLOGY Co.,Ltd.

CX01 Expiry of patent term

Granted publication date: 20140730

CX01 Expiry of patent term