US 12,407,046 B2
End cover assembly, energy storage apparatus, and electricity-consumption device
Weidong Xu, Guangdong (CN); Yongfeng Xiong, Guangdong (CN); and Feng Wang, Guangdong (CN)
Assigned to HITHIUM TECH HK LIMITED, Kowloon (HK)
Filed by Hithium Tech HK Limited, Kowloon (HK)
Filed on Dec. 21, 2023, as Appl. No. 18/392,273.
Claims priority of application No. 202310091034.5 (CN), filed on Feb. 9, 2023.
Prior Publication US 2024/0274928 A1, Aug. 15, 2024
Int. Cl. H01M 50/15 (2021.01); H01M 50/103 (2021.01); H01M 50/176 (2021.01); H01M 50/184 (2021.01); H01M 50/188 (2021.01); H01M 50/553 (2021.01)
CPC H01M 50/15 (2021.01) [H01M 50/103 (2021.01); H01M 50/176 (2021.01); H01M 50/184 (2021.01); H01M 50/188 (2021.01); H01M 50/553 (2021.01)] 20 Claims
OG exemplary drawing
 
1. An end cover assembly applicable to an energy storage apparatus and comprising:
a top cover, wherein the top cover defines a mounting hole, and the mounting hole extends through the top cover in a thickness direction of the top cover;
an upper plastic member mounted on the top cover, wherein the upper plastic member comprises a mounting portion and a mating portion, the mating portion is fixedly connected to one side of the mounting portion, the mounting portion defines a fitting groove and an identification through-hole, the identification through-hole is in communication with the fitting groove, and the mating portion defines a through hole extending through the upper plastic member in a thickness direction of the mating portion and being in communication with the mounting hole;
a conductive block mounted on the upper plastic member, wherein: the conductive block comprises an extension portion and a welding portion, the welding portion is fixedly connected to one side of the extension portion, the extension portion is mounted in the fitting groove, a top surface of the extension portion covers the identification through-hole, the welding portion defines a fitting hole, the fitting hole extends through the welding portion in a thickness direction of the welding portion and is in communication with the through hole, the welding portion comprises a protruding ring, the protruding ring is disposed on the welding portion and surrounds an inner wall of the fitting hole, and the protruding ring is in contact with and abuts against the upper plastic member after assembly;
a terminal post comprising a flange portion and a post portion, wherein the post portion is disposed on a top side of the flange portion, and the post portion extends through the mounting hole, the through hole, and the fitting hole and is fixedly connected to the conductive block; and
a sealing member sleeved on the post portion and clamped between the post portion and a wall of the mounting hole, wherein a top surface of the sealing member abuts against a bottom surface of the upper plastic member, and a bottom surface of the sealing member abuts against a top surface of the flange portion,
wherein the protruding ring is coaxial with the fitting hole of the welding portion and abuts against a bottom surface of a mounting groove of the upper plastic member; and
wherein the post portion of the terminal post extends through a mounting hole of the lower plastic member, the mounting hole of the top cover, the through hole of the mating portion of the upper plastic member, the protruding ring of the welding portion of the conductive block, and the fitting hole of the welding portion of the conductive block.