US 12,479,038 B2
Handheld lithium battery threading machine and threading method
Hongwu Xie, Hangzhou (CN); and Chenchen Fei, Hangzhou (CN)
Assigned to Hangzhou Hongli Pipe Machinery Co., Ltd, Hangzhou (CN)
Filed by Hangzhou Hongli Pipe Machinery Co., Ltd, Hangzhou (CN)
Filed on Sep. 23, 2022, as Appl. No. 17/951,144.
Claims priority of application No. 202111144396.3 (CN), filed on Sep. 28, 2021.
Prior Publication US 2023/0097943 A1, Mar. 30, 2023
Int. Cl. B23G 1/24 (2006.01); B23G 1/04 (2006.01); B23G 1/46 (2006.01); B23G 1/52 (2006.01); H01M 50/247 (2021.01); H01M 50/262 (2021.01); H02J 7/00 (2006.01)
CPC B23G 1/24 (2013.01) [B23G 1/46 (2013.01); B23G 1/52 (2013.01); B23G 1/04 (2013.01); B23G 2240/12 (2013.01); B23G 2240/40 (2013.01); H01M 50/247 (2021.01); H01M 50/262 (2021.01); H01M 2220/30 (2013.01); H02J 7/0045 (2013.01); Y02E 60/10 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A handheld lithium battery-powered threading machine, comprising a die head, a motor assembly, a lithium battery assembly, a toothed disc assembly, a support arm body assembly, and a gearbox assembly, wherein
the lithium battery assembly is connected to the motor assembly, the motor assembly and the toothed disc assembly are respectively mounted at two ends of the gearbox assembly, the die head is mounted on the toothed disc assembly, and the support arm body assembly is mounted on the gearbox assembly; and
the motor assembly comprises a motor, a handle, an air inlet window, and an air outlet window, wherein the motor is mounted on the handle, and both the air inlet window and the air outlet window are arranged on the handle;
wherein the motor comprises a motor body, a motor control panel, a signal seven-plug connector, a power three-plug connector, and a signal three-plug connector, wherein
the motor body and the motor control panel are mounted in the handle, the motor body is connected to the motor control panel through the signal seven-plug connector and the power three-plug connector, the motor control panel is connected to a main switch through the signal three-plug connector, and the motor control panel is connected to a male plug.