What do you know about helmet types and standards?
Date of release:2019-06-10 Author: Click:
1 Type and standard of helmets
At present, the helmet of the domestic motorcycle market generally divided into: full helmet safety helmet (full cover type), 3/4 safety helmet (exposed type), half helmet safety helmet (half exposed type) and uncovered safety helmet (half single type);According to the basic structure and shape, it can be divided into two types: full helmet type and half helmet type.
Full face helmet is a kind of special common motorcycle helmet, can the people all of the head, can maintain the head against accidental impact, helmet general AB S/PP engineering plastic raw materials, the built-in can unpick and wash sponge liner, configuration quick insert lock buckle, PVC lens, lens use whole horizon perspective helmet is equipped with air holes, movable air holes from top to bottom, left and right sides together with slide plug-in.
Half helmet type helmet shape similar workers wear safety helmet, small volume, lightweight drafty comfort is better than full face type, cap inside filling buffer foam layer, can be useful in maintaining the security of the head part, some half helmet hat also equipped with goggles, can choose their opening and closing, special summer cycling shade, light has better air permeability and strengths.
Nowadays, there are various kinds of helmets in the market with different kinds of standards, among which "DOT" is the general road standard of the United States, "ECE r22-05" is the safety standard of the European Union, +JIS "is the general road standard of Japan," JIS t8132:2000 "is the general road standard of Japan," SNELL M2000 "is the internationally recognized high recognized standard of racing cars.
The first common safety helmet certification is:DOT, SNELL, JIS, SHARP, etc. Among them, dot-department ofTransportation is accredited by the us Department ofTransportation ---- the us Department, SHARP is accredited by the UK, Safety Helmet Assessmentand Rating Programme by the UK, JIS, Japanese IndustrialStandards by Japan, CSA by Canada, and ECE/EN by Europe.A S/NZ is certified in Australia and New Zealand.
2 The interior of the helmet
The outer shell of helmet is usually made of glass fiber, because this kind of glass fiber is classified as a kind of high-quality anti-collision material. In most of the domestic helmets, the brand helmets whose quality meets the national standard are all made of this kind of glass fiber.Motorcycle helmetThe whole structure consists of shell, buffer layer, pad, wearing equipment and goggles, etc. The helmet is generally divided into small, medium, large and extra-large, among which the size of the large is 580 ~ 600 mm, the size of the medium is 560 ~ 580 mm, and the size of the small is 540 ~ 560 mm.