Title:
RECHARGEABLE ANGLE GRINDER
Document Type and Number:
WIPO Patent Application WO/2020/052497
Kind Code:
A1
Abstract:
Disclosed is a rechargeable angle grinder, comprising a housing (1), wherein the housing (1) has a driving shaft (6) provided therein for transferring power; a locking button (7) is movably embedded in the housing (1); the housing (1) has a limiting plate (8) provided therein, with same being capable of sliding in a radial direction of the driving shaft (6); the limiting plate (8) is provided with an avoidance hole (81) for passage and rotation of the driving shaft (6) and a clamping hole (82) in communication with the avoidance hole (81); an outer wall of the driving shaft (6) is provided with a notch face (61) creating circumferential clamping with the clamping hole (82); the locking button (7) is fixedly connected to the limiting plate (8), and the displacement of the locking button (7) can drive the limiting plate (8), so that the driving shaft (6) enters the clamping hole (82) through the avoidance hole (81); and the housing (1) has a reset member (83) provided therein for driving the limiting plate (8) to reset the driving shaft (6). The angle grinder can ensure that the driving shaft (6) remains stationary when a grinding head is replaced, thereby ensuring the safety while facilitating operation thereof, and with the circumferential fitting of the clamping hole (82) and the notch face (61), the clamping force is distributed uniformly on the driving shaft (6), so that the clamping is stable.
Inventors:
HONG XIAOYUN (CN)
Application Number:
PCT/CN2019/104689
Publication Date:
March 19, 2020
Filing Date:
September 06, 2019
Export Citation:
Assignee:
ZHEJIANG CHENGKANG MACHINERY&ELECTRICAL PRODUCT MFG CO LTD (CN)
International Classes:
B24B9/00
Foreign References:
| CN208663337U | 2019-03-29 | |||
| CN107639508A | 2018-01-30 | |||
| CN206794903U | 2017-12-26 | |||
| CN104972437A | 2015-10-14 | |||
| GB2346100A | 2000-08-02 | |||
| CN203712443U | 2014-07-16 | |||
| CN207087602U | 2018-03-13 | |||
| CN2527394Y | 2002-12-25 |
Attorney, Agent or Firm:
ORANGE INTELLECTUAL PROPERTY CO., LTD (CN)
Download PDF: