| CPC H01M 50/627 (2021.01) [H01M 50/15 (2021.01); H01M 50/16 (2021.01); H01M 50/3425 (2021.01); H01M 2200/20 (2013.01)] | 20 Claims |
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1. A lower plastic assembly configured to be assembled with an upper cover and comprising a first lower plastic member, wherein:
the first lower plastic member comprises a first-lower-plastic-member body, wherein the first-lower-plastic-member body further comprises a first upper surface and a first lower surface, and the first upper surface is opposite to the first lower surface;
the first-lower-plastic-member body defines a first liquid-injection through-hole, wherein the first liquid-injection through-hole extends through the first-lower-plastic-member body and is located at one end of the first-lower-plastic-member body, a cutout is defined at one side of the first liquid-injection through-hole and is in direct communication with the first liquid-injection through-hole, and the cutout extends through the first upper surface and the first lower surface; and
the first lower plastic member further comprises a recess, wherein the recess is recessed from the first upper surface and has a lower wall and a peripheral wall surrounding the lower wall, and the first liquid-injection through-hole extends through the lower wall; the cutout extends through the first upper surface and the first lower surface in a direction from the first upper surface to the first lower surface and extends through part of a wall surface of the peripheral wall; the first lower plastic member comprises a first grid, wherein the first grid comprises a connecting portion and defines a plurality of first gaps at one side of the connecting portion, the connecting portion comprises a guiding slope inclined towards the plurality of first gaps, the cutout is located between the connecting portion and the first liquid-injection through-hole, and the cutout extends through part of the guiding slope.
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