Button type battery

Button type battery

CN
  • CN 210,006,779 U
  • Filed: 05/15/2019
  • Issued: 01/31/2020
  • Est. Priority Date: 05/15/2019
  • Status: Active Grant
First Claim
Patent Images

1. A button cell of types, comprising:

  • the sealing rubber ring is sleeved in the battery cup, the battery cover is clamped in the sealing rubber ring, the battery cover is used for supporting the sealing rubber ring so that the sealing rubber ring is tightly contacted with the inner side wall of the battery cup, the battery cup and the battery cover jointly enclose a battery inner cavity, and a welding layer is arranged on the battery cup and/or the battery cover; and

    the battery winding core is arranged in the battery inner cavity and provided with a lug;

    wherein the welding layer is formed by resistance welding of the contact part of the tab of the battery winding core and the battery cup and/or the battery cover.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×