Title:
BATTERY PACK DOUBLE-VOLTAGE SWITCHING STRUCTURE FOR ELECTRIC TOOL
Document Type and Number:
WIPO Patent Application WO/2020/082489
Kind Code:
A1
Abstract:
The present utility model discloses a battery pack double-voltage switching structure for an electric tool, comprising: at least two groups of battery pack units, the negative electrode and the positive electrode of the at least two groups of battery pack units are electrically connected to first plugging pins and second plugging pins via a protective circuit board, respectively; respective first plugging pins are transversely arranged in parallel to form a first plugging pin unit; respective second plugging pins are transversely arranged in parallel to form a second plugging pin unit; the first plugging pin unit and the second plugging pin unit are uniformly arranged at left and right sides; the first plugging pins and the second plugging pins, which belong to the same group, are not arranged in parallel; the first plugging pins and the second plugging pins are parallel to an axis of an electric core. During production, an error can be easily controlled, thereby improving the production precision; in addition, plugging is planar, which enables large contact area and difficult deformation, thereby improving the service life.
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Inventors:
CHEN ZHENG (CN)
Application Number:
PCT/CN2018/117398
Publication Date:
April 30, 2020
Filing Date:
November 26, 2018
Export Citation:
Assignee:
ZHEJIANG DEERCAN ELECTRIC CO LTD (CN)
International Classes:
H01M50/296; H01M50/519; H01M50/552
Foreign References:
| CN106232301A | 2016-12-14 | |||
| CN102376922A | 2012-03-14 | |||
| CN104103799A | 2014-10-15 | |||
| US5909101A | 1999-06-01 |
Attorney, Agent or Firm:
CHONGQING BAIRUNHONG INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
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