Patent ID: 11903438
Assignee: JIANGYIN DAFEIMA AUTOMOBILE TECHNOLOGY CO., LTD.
Field: Other consumer goods (Other fields)
Classification: CPC A | IPC A

Claim 7:
8. The helmet according to claim 7, wherein the chin guard rotation guide has a structure of a D-shaped shell, a through double-track guide groove is formed in the D-shaped shell, and a first guide groove in the through double-track guide groove is in sliding fit with the first driving shaft passing through the shaft hole at the driving end of the driving rod, and a second guide groove in the through double-track guide groove is in sliding fit with the second driving shaft passing through the shaft hole at the other end of the driving rod; the first guide groove and the second guide groove are arc-shaped grooves which are arranged in a front-back and inclined manner, the groove length of the second guide groove is twice or more than that of the first guide groove, and a side sliding groove which is in sliding fit with the driving rod is arranged on an edge of the side of a straight edge segment of the D-shaped shell; and the D-shaped shell is also provided with a mounting hole of the chin guard rotation guide and a mounting hole at one end of the first rotating shaft.