Structure and safety helmet parts purchase explanation
Brim
Function: shade, retaining mud, decoration.
Description: to prevent a collision time, peak debris injured Knight for the breakdown of the face, visor be fixed die and elastic material, the case of collision can pop open.
Purchase: note that peak of fixation is appropriate, as well as the elasticity of the material, and wear must not affect vision.
Cap shell
Function: beautiful, scattered outside impact.
Description:
1. caps in vitro and then package a about 0.7 to 2 cm thick layer of acrylic film or plastic,thismaterial to PC, ABS, PVC or vacuum forming.
2. the manufacture is pided into two kinds, one is fitting, this shell is about to glue on the CAP, such as gluing ABS or PVC imitation one.Another way is to use-one (in-mold) in the cap of foam forming phase, forming the shell sticks to the surface together, the PC one.
Purchase: the helmet after the impact, integrated molding helmet lets users easily distinguish whether CAP had been damaged in appearance, and its dispersion effect of impact force better.
Hat body shell
Function: subject, penetration resistance, resistance to high speed Flamingo kid, the helmet, safety ventilation, shape design.
Description: Shell materials in the body of the CAP currently there are two, one for the EPS (synthetic resin, styrofoam foam) second EPU;Former foam forming required mining high temperature, the volume of foam thickness than the EPU thick;EPU required foam cooler, so brim can be inside the mould and its foaming, integrated molding.
Purchase:
1. Helmets are internationally certified security verification standards, which have a certain quality of protection in a collision on the penetrating power.
2. press the CAP shells with have a light hand, if it is a body, sense better, feel more real,no gaps.
3. try on.Hat size, cannot be empty.
Retention System
Function: fixtures, helmet chaos Huang, catch the consumer's head, increasing security and stability.
Description: currently available use two different systems to make beam locks, one solid ring Shu Suo (Ring), using different thickness of the lining of the ring surrounded by foam head ring to adjust the helmet, grab the consumer's head.Second after installation of the CAP is on the Shu Suo device, Shu Suo pided into active and passive role, bundle lock-solid way to passive, after using hat, be fastened with a solid, active beam locks, with spring elastic straps and other accessories, put on his back with a role in regulating.
Purchase: using ring beam locks, easy to make people forget hat size header size of the body itself, the consumer must pay special attention to the size of the CAP itself.
DrawString
Function: bound body, strong role of the CAP.
Description: material to nylon (Nylon).
Purchase: facial skin close, so purchase be sure to try on, flexible, tough, no damage to the skin and does not produce allergies are preferred.
Safety Buckles
Function: fastened with auxiliary fixtures.
Description: after you wear a helmet, hat band the correct location of the buckle should be below the ear, so can better ensure that helmets are not about shaking, name: buckle (Buckle)
Purchase: note the fastened buckle is convenient, secure way.
So as to avoid injury or easily broken, loose is very easy to quickly, avoiding rough sharp corners cut the skin.
Ventilation holes
Function: ventilation of persion.
Description: vent design position size, ventilation and comfort to the helmet had a great influence.
Purchase: because each felt different, therefore not hole cave is appropriate, please note that both inside persion into the wind, the wind and a smooth, and his true feelings are what count.
Inner lining
Function: head shape and comfortable.
Description: swivel pads that different blocks, making up for the gap between head and CAP, helmet wearing more-in-head, comfortable.However inevitably impede airflow, therefore, some brands advertised uses Coolmax material, permeability of memory foam pad.
Purchase: to try on, each hat with gaskets in different locations, can move, still after the trial, more hands-on experience.