Frameless car door B column sealing structure

The utility model discloses a frameless car door B column sealing structure which comprises car door glass, a B column outer decoration plate, a side wall assembly and a B column sealing mechanism, and a sealing cavity is defined by the car door glass, the B column outer decoration plate, the B column sealing mechanism and the side wall assembly. The sealing mechanism is simple, low in manufacturing cost and convenient to install due to the fact that the clamping installation mode is adopted, meanwhile, the sealing mechanism forms multiple sealing cavities, the sealing mechanism is tightly attached to the automobile door glass, and the sealing effect is remarkable. 本实用新型公开了一种无框式车门B柱密封结构，包括车门玻璃、B柱外饰板、侧围组件和B柱密封机构，所述车门玻璃、B柱外饰板、B柱密封机构和侧围组件围绕形成密封空腔。本实用新型密封机构简单，制造成本低，由于采用了卡接的安装方式便于安装，同时本实用新型密封机构形成了多重密封腔，跟车门玻璃紧密贴合，密封效果显著。