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Patent Searching and Data


Title:
ELECTRIC TOOL
Document Type and Number:
WIPO Patent Application WO/2021/078251
Kind Code:
A1
Abstract:
An electric tool (100), comprising: a housing (200); a motor (400), supported by the housing and at least comprising a rotor shaft (410) extending along a first axis; a bearing (420), configured to position the rotor shaft and comprising a rear bearing (422) and a front bearing (421) provided at two ends of the motor; a switch (500), configured to control turn-on and turn-off of the motor; an operating member (600), provided for user operation; and a control assembly (700), connected to the switch, the rear bearing being provided between the motor and the control assembly. The electric tool further comprises: a pull rod (170), connected to the switch and the operating member. The housing comprises a main housing (220) and a rear bearing chamber (270) formed in the main housing. The rear bearing chamber is configured to support the rear bearing and comprises: an accommodating cavity (271), the rear bearing being provided in the accommodating cavity; a through hole (272) through which the pull rod passes; and a partition portion (273), provided between the accommodating cavity and the through hole.

Inventors:
NI, Muyang (Tianyuan West Road Jiangning Economic And Technical Development Zon, Nanjing Jiangsu 6, CN)
ZHAO, Xiang (Tianyuan West Road Jiangning Economic And Technical Development Zon, Nanjing Jiangsu 6, CN)
Application Number:
CN2020/123248
Publication Date:
April 29, 2021
Filing Date:
October 23, 2020
Export Citation:
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Assignee:
NANJING CHERVON INDUSTRY CO., LTD. (Jiangjun Road Jiangning Economic And Technical Development Zon, Nanjing Jiangsu 6, CN)
International Classes:
B24B23/02
Attorney, Agent or Firm:
BEYOND ATTORNEYS AT LAW (39 Lianhuachi East Rd. Haidian District, Beijing 6, CN)
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