Title:
LABOR-SAVING CROWN STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2024/077585
Kind Code:
A1
Abstract:
A crown structure, comprising: an upper crown (1) and a lower crown (2) which are coaxially arranged, a lower portion of the upper crown (1) being snap-fitted to an upper-crown lower cover (12). The structure further comprises an outer spring (31) and an inner spring (34), wherein the outer spring (31) is sleeved in an outer sliding member (32), and the outer sliding member (32) is adaptively and vertically slidable between the upper crown (1) and the upper-crown lower cover (12) under the elastic force of the outer spring (31). An axially extending inner spring accommodating cavity (121) is provided in the middle of the upper-crown lower cover (12); an upper-crown lower-cover inner ring side wall (126) and an upper-crown lower-cover outer ring side wall (127) are sequentially arranged on the outside of the inner spring accommodating cavity (121) in a surrounding manner from inside to outside; an outer sliding member accommodating cavity (122) is provided between the upper-crown lower-cover inner ring side wall (126) and the upper-crown lower-cover outer ring side wall (127), and the outer sliding member (32) is vertically slidable in the outer sliding member accommodating cavity (122); and the inner spring (34) is sleeved in the inner spring accommodating cavity (121).
Inventors:
JIN ZUOXIAN (CN)
YANG JUN (CN)
YANG JUN (CN)
Application Number:
PCT/CN2022/125290
Publication Date:
April 18, 2024
Filing Date:
October 14, 2022
Export Citation:
Assignee:
ZHEJIANG JINCHENG OUTDOOR PRODUCTS GROUP CO LTD (CN)
International Classes:
E04H15/48; E04H15/34
Attorney, Agent or Firm:
HANGZHOU HANGCHENG PATENT ATTORNEY OFFICE CO., LTD. (CN)
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