Trajectory Designing and Realizing for the Variable Structure Motorcycle Helmet

Abstract:

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A new type of variable structure motorcycle helmet is proposed in this paper, in which that the helmet’s chin-guard can be transformed between the full-helmet status and the half-helmet status as needed. The helmet creatively adopts double movement nails and double track grooves to constraint the chin-guard movement according to the predetermined trajectory, and thus smoothly accomplishing the chin-guard’s lifting, climbing, passing zenith, falling and closing in the helmet shell. The paper introduces the chin-guard’s trajectory planning principles, realizing methods and designing steps, and then gives a design case for the constraint slot tracks in detail. The results show that the new type helmet can reliably realize helmet structure conversion between full-helmet and half-helmet and fully meets the design requirements.

Info:

Periodical:

Advanced Materials Research (Volumes 328-330)

Edited by:

Liangchi Zhang, Chunliang Zhang and Zichen Chen

Pages:

633-637

DOI:

10.4028/www.scientific.net/AMR.328-330.633

Citation:

A. N. Geng et al., "Trajectory Designing and Realizing for the Variable Structure Motorcycle Helmet", Advanced Materials Research, Vols. 328-330, pp. 633-637, 2011

Online since:

September 2011

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Price:

$35.00

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