Seatbelt buckling device and system

A seatbelt buckling device and system includes a buckle and a latch plate. The latch plate includes a pair of fingers that extend from a base portion. The buckle includes buckle housing that defines a slot that is configured to receive the fingers of the latch plate. The buckle also includes a blocking member disposed in the slot that splits the slot into first and second slot portions. The first and second slot portions are sized to receive the fingers. The blocking member restricts debris from entering a cavity of the buckle housing. The buckle further includes a depressible button for releasing the latch plate. The blocking member is arranged as a blockout portion integrated into the button or an ejector protrusion extending from an ejector disposed within the buckle. 本发明提供了种包括带扣和插销板的座椅安全带扣紧装置和系统。所述插销板包括从基座部分延伸的对指状件。所述带扣包括带扣壳体，所述带扣壳体限定了卡槽，所述卡槽被配置成接纳所述插销板的所述指状件。所述带扣还包括设置在所述卡槽中的封挡构件，所述封挡构件将所述卡槽分成第卡槽部分和第二卡槽部分。所述第卡槽部分和第二卡槽部分的尺寸被设定为接纳所述指状件。所述封挡构件阻止碎屑进入所述带扣壳体的腔体。所述带扣还包括用于释放所述插销板的可压式按钮。所述封挡构件被布置成整合到所述按钮中的封挡部分，或从设