US 12,012,010 B2
Direct-current charging gun and charging pile
Yue Zhu, Shanghai (CN); Jiamin Ma, Shanghai (CN); and Chuangcheng Sun, Shanghai (CN)
Assigned to NIO TECHNOLOGY (ANHUI) CO., LTD, Hefei (CN)
Filed by NIO TECHNOLOGY (ANHUI) CO., LTD, Hefei (CN)
Filed on Dec. 13, 2021, as Appl. No. 17/549,158.
Claims priority of application No. 202011506534.3 (CN), filed on Dec. 18, 2020.
Prior Publication US 2022/0194237 A1, Jun. 23, 2022
Int. Cl. B60L 53/16 (2019.01); B60L 53/30 (2019.01); H01R 13/428 (2006.01)
CPC B60L 53/16 (2019.02) [B60L 53/305 (2019.02); H01R 13/428 (2013.01); H01R 2201/26 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A direct-current charging gun, comprising an unlocking mechanism, a safety mechanism and a communication mechanism, the safety mechanism being connected to the communication mechanism and the unlocking mechanism separately;
the unlocking mechanism being used for locking when the direct-current charging gun is in use, and for unlocking when the direct-current charging gun is not in use;
the communication mechanism being configured to be in communication, when being triggered, with a charging device to interrupt a direct current in the charging gun; and
the safety mechanism being configured not to trigger the communication mechanism in an unarmed state and to lock the unlocking mechanism, and triggering the communication mechanism for interrupting the direct current in the charging gun first and then unlocking the unlocking mechanism during arming,
wherein when the safety mechanism is in a default state position, the communication mechanism is not triggered, and the unlocking mechanism is in a locked state; when the safety mechanism leaves the default state position, the communication mechanism is triggered; and when the safety mechanism is moved to a first state position, the unlocking mechanism is unlocked and is operatable to achieve unlocking; and
wherein the unlocking mechanism is a lever assembly, and the lever assembly comprises an unlocking lever and a first lever rotating shaft, the first lever rotating shaft being disposed at a middle portion of the unlocking lever, and a snap-fit fastener being disposed on one side of the unlocking lever;
the safety mechanism comprises a pressing rod and a reset assembly, the upper end of the pressing rod being slidably sleeved on the side of the unlocking lever away from the snap-fit fastener, and the reset assembly comprises a reset lever, a second lever rotating shaft and a stop member, the second lever rotating shaft being disposed at a middle portion of the reset lever, the lower end of the pressing rod abutting against one end of the reset lever, and the stop member being fixedly disposed and abutting against the end of the reset lever away from the pressing rod; and
the communication mechanism comprises a first signal contact and a second signal contact, the first signal contact being fixedly disposed on the pressing rod, the second signal contact being in communicative connection with the charging device, and the first signal contact and the second signal contact being not triggered when abutting and being triggered when being separated.