CN2386245Y - 正反丝自行车轮轴 - Google Patents

正反丝自行车轮轴 Download PDF

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Publication number
CN2386245Y
CN2386245Y CN 99238100 CN99238100U CN2386245Y CN 2386245 Y CN2386245 Y CN 2386245Y CN 99238100 CN99238100 CN 99238100 CN 99238100 U CN99238100 U CN 99238100U CN 2386245 Y CN2386245 Y CN 2386245Y
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wheel shaft
bicycle
positive
reverse thread
screw threads
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Expired - Fee Related
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CN 99238100
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李兵
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Individual
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Individual
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Priority to CN 99238100 priority Critical patent/CN2386245Y/zh
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Abstract

本实用新型公开了一种正反丝自行车轮轴,该轮轴两头螺纹的旋向相反,一般为左旋向,一段为右旋向,轮轴两端面设“一”字或“十”字凹槽。该轮轴在拆卸车轮时,方便快速,不损坏螺纹,解决了现有自行车轮轴车轮拆卸不方便,易损坏螺纹等问题。

Description

正反丝自行车轮轴
本实用新型涉及自行车零部件,具体为自行车轮轴。
目前非机动车前后轮轴两头为同向螺纹杆轴。这种螺纹杆轴在维修拆卸轮胎时,当一端螺母拆下后,再拆卸另一端螺母时,如果螺母拧得过紧或与杆轴生锈粘合后,因一端无法固定,拧卸螺母时,螺母与杆轴一起旋转,使之无法拆卸,如用钢丝钳夹住一端螺纹杆轴,则容易损坏丝牙,从而损坏轮轴。
本实用新型的目的在于提供一种正反丝自行车轮轴,以克服上述之不足。
本轮轴两头设的螺纹旋转方向相反,轮轴的两个端面设“一”字或“十”字凹槽。
该轮轴的两段螺纹由于是方向相反的旋转,在拆卸二端螺母时,可无需固定另一端螺母,即可拆卸,同时可使另一端螺母转动。当再拆卸此端螺母时,可用启子固定端面凹槽即可。设轮轴拆卸方便,很好地解决现有自行车轮轴不易拆卸的问题。
图1正反丝螺纹自行车轮轴示图。
图2轮轴端面示图。
实施例:
如图1、2所示:
轮轴的中段为光轴1,左段丝牙2的旋向为左向,右段丝牙3的旋向为右向。轮轴端面设“一”字凹槽4。

Claims (1)

1、一种正反丝自行车轮轴,轮轴两头设螺纹,其特征在于轮轴两头的螺纹的旋转方向相反,轮轴的两个端面开设“一”字或“十”字凹槽。
CN 99238100 1999-07-16 1999-07-16 正反丝自行车轮轴 Expired - Fee Related CN2386245Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 99238100 CN2386245Y (zh) 1999-07-16 1999-07-16 正反丝自行车轮轴

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 99238100 CN2386245Y (zh) 1999-07-16 1999-07-16 正反丝自行车轮轴

Publications (1)

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CN2386245Y true CN2386245Y (zh) 2000-07-05

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ID=34025602

Family Applications (1)

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CN 99238100 Expired - Fee Related CN2386245Y (zh) 1999-07-16 1999-07-16 正反丝自行车轮轴

Country Status (1)

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CN (1) CN2386245Y (zh)

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