The waterproof derailleur easy to assemble comprises a shell and a driving device installed on the shell, the driving device comprises a motor, a transmission assembly and a worm, the shell is integrally formed and comprises an annular vertical wall, a bottom wall and at least one extending part, the bottom wall extends downwards to form the extending part, and the annular vertical wall extends downwards to form the extending part. The annular vertical wall and the bottom wall jointly define a first cavity with an opening in the top in the shell, and the opening is suitable for being closed in a sealed mode to prevent liquid from entering the first cavity. The positioning references of the motor, the transmission assembly and the pair of worm gears and worms are all constructed on the shell, so that the driving device can be integrally and accurately positioned; the transmission assembly is arranged on the inner side of the first cavity, and the motor, the worm and the worm gear are arranged on the outer side of the first cavity. The derailleur provided by the invention is easy to assemble, high in assembly precision and good in waterproof performance.
本发明提供一种易于装配的防水型拨链器,包括外壳和安装于所述外壳的驱动装置,所述驱动装置包括电机、传动组件和蜗杆,其中,所述外壳为一体成型,其包括环形立壁、底壁以及由所述底壁向下延伸形成的至少一个延设部,所述环形立壁和底壁共同地在所述外壳内限定出一顶部具有开口的第一腔室,所述开口适于被密封地闭合以防止液体进入该第一腔室中;所述电机、传动组件和一对蜗轮蜗杆的定位基准均被构造在所述外壳上,以使得所述驱动装置能够被整体地精准定位;所述传动组件配置在所述第一腔室的内侧,所述电机、蜗杆和蜗轮配置在所述第一腔室的外侧。本发明提供的拨链器易于装配、装配精度高且防水性能好。
Waterproof derailleur easy to assemble
一种易于装配的防水型拨链器
2023-12-22
Patent
Electronic Resource
Chinese
IPC: | B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer |
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