GB30005-2013

Safety requirements of unicycle

独轮车安全要求

GB 30005-2013 é uma norma nacional chinesa obrigatória vigente: Safety requirements of unicycle. Setor: Eletrônicos. Foco: Segurança de produtos. Entrada em vigor: 1 de jun. de 2015.

A aplicabilidade depende do escopo do produto, da via de certificação, dos avisos da autoridade competente e das regras de transição. Solicite uma tradução ou verifique a fonte antes de usar este registro em uma decisão de conformidade.

Visão geral de conformidade

Esta visão geral está disponível por enquanto apenas em inglês.

Escopo e aplicabilidade

This standard applies to single-rider unicycles driven directly by cranks with a single pneumatic wheel and saddle, intended for users aged 6 and above. It is not applicable to unicycles designed for road riding, chain-driven mechanisms, or special competitive sports. Manufacturers must verify the wheel diameter categories to determine specific age applicability.

Requisitos técnicos

Chapter 5 of this standard is mandatory and specifies comprehensive safety requirements for unicycles. It covers chemical properties of materials, requiring specific migration limits for certain elements in accessible surface coatings and saddle leather for small unicycles, referencing GB 6675. The standard also details mechanical safety aspects, including the prohibition of sharp edges and strict dimensional requirements for protrusions to prevent injury. Manufacturers must ensure all exposed rigid protrusions are properly rounded. Furthermore, it sets forth structural integrity requirements for critical components such as the fork, wheel, saddle, and pedals. This includes specifications for wheel precision, tire-rim compatibility, and the dynamic durability of pedals and crank assemblies under specified load conditions. Additional requirements cover the operational characteristics of quick-release mechanisms, ensuring they are adjustable, clearly marked, and capable of withstanding specified tightening and release forces without permanent deformation.

Métodos de ensaio

The standard outlines specific testing methodologies to verify compliance, including: - Chemical migration testing for accessible materials. - Sharp edge testing as per GB 6675. - Fork lateral static load strength test to measure permanent deformation. - Wheel static load and fit strength tests to ensure structural integrity. - Impact strength testing for synthetic resin integrally molded wheels. - Dynamic durability testing for pedals and fatigue testing for crank assemblies. Testing must be conducted in controlled environmental conditions with specified instrument precisions.

Perguntas frequentes

What products are regulated under GB 30005-2013?

GB 30005-2013 regulates single-rider unicycles with a single pneumatic wheel and saddle, directly driven by cranks, for users aged 6 and above.

Is Chapter 5 of GB 30005-2013 mandatory?

Yes, Chapter 5, which covers technical requirements, is mandatory, while the rest of the standard is recommended.

Does GB 30005-2013 apply to competitive unicycles?

No, this standard explicitly excludes unicycles designed for road riding, chain-driven mechanisms, and special competitive sports uses.

The summary above provides a high-level overview of GB 30005-2013. To ensure complete compliance for your products entering the Chinese market, a precise and professional translation of the full technical specifications is essential. Purchase our high-quality English translation of GB 30005-2013 today to access all detailed parameters, tables, and testing procedures.

Indicações de aplicabilidade

Tipo: Segurança
CCS: Y14
ICS: 97.200.01
Órgão competente: Ministry of Industry and Information Technology
Comitê técnico: Ministry of Industry and Information Technology