The invention discloses a passenger car floor access cover structure which comprises an access cover and an access hole bottom frame. The access cover and the access hole bottom frame are connected through hexagonal fillister head screws; access hole frameworks are arranged on the two sides of the lower part of the access cover; the access hole bottom frame is composed of a base and a flat head rivet nut; the periphery of the access hole bottom frame is welded on the access hole framework; and a sound insulation material is arranged between the bottom of the access cover and the inner wall of the access hole bottom frame. The problem that the sealing effect is poor due to repeated disassembly and assembly can be solved, the sealing effect is improved, the construction time is shortened, and the attractiveness is guaranteed.
本发明公开了一种客车地板检修盖结构,包括检修盖和检修口底框;所述检修盖和检修口底框通过六角圆柱头螺钉连接;所述检修盖下部的两侧设置检修口骨架;所述检修口底框由底座和平头铆螺母组成;所述检修口底框周圈焊接在检修口骨架上;所述检修盖底部与检修口底框的内壁之间设置隔音材料。能够解决多次拆装导致密封效果差的问题,提高密封效果,缩短施工时长,保证其美观度。
Passenger car floor access cover structure
一种客车地板检修盖结构
2023-05-30
Patent
Electronic Resource
Chinese
IPC: | B62D MOTOR VEHICLES , Motorfahrzeuge |