Classification of car weather strips

The car sealing strip has the function of filling various intervals and gaps between the components of the body, and has the functions of shock absorption, waterproof, dustproof, sound insulation, decoration, etc., improving the comfort of the driving experience and protecting the body. So do you know what are the classifications of car weather strips?

Classified by section shape

Can be divided into solid core products (round, square, flat section shape), hollow products and metal-rubber composite products. Among them, metal-rubber composite sealing strips account for more than 60%. For rubber sealing strips, the section Design matters. The first is the design of the shape and size of the sealing lip. The sealing lips on both sides should contact the glass from both sides of the window glass with the same and appropriate force. The length and thickness of the lip should be appropriate. The lifting resistance is too large, too thin and too short will cause the glass not to be well guided and sealed, resulting in vibration, noise, and rain leakage; followed by the shape and size design of the bottom of the section, and there are protrusions on the steel groove section of the window. , its function is to assemble the guide groove. Therefore, the bottom of the guide groove section should be designed with a corresponding structure, which is easy to install and can be attached to the steel guide groove by the elasticity of the sealing strip itself to prevent it from coming out. Then there is the shape and size of the outer edge. In order to improve the appearance, the outer surface of the guide groove should be closely attached to the body.

Classified by sealing characteristics

It can be divided into weather sealing strip (WEATHERSTRIP) and general sealing strip (SEALING). Among them, the weather sealing strip has a hollow sponge tube, which has a good temperature and humidity retention function. The commonly used weather sealing strip has door frame sealing strip. , trunk sealing strip, engine cover strip, etc., commonly used general sealing strips include front and rear wind window sealing strips, corner window sealing strips, inner and outer strips, etc.

Classified by compound structure

It can be divided into pure rubber sealing strip--consisting of a single rubber species; two-composite sealing strip--consisting of compact rubber and foam sponge rubber, often containing metal skeleton material in the axial direction inside the compact rubber . The three-composite sealing strip is composed of two kinds of compact glues (one of which is light-colored) and sponge glue, and usually contains a metal skeleton and reinforcing fibers inside the compact glue.