Self -discharging formula dregs car back door locking device

The utility model discloses a self -discharging formula dregs car back door locking device relates to special automobile manufacturing technical field, including the latch hook that is used for locking the back door, the back door is articulated mutually with carriage upper portion, the latch hook with install inflexible straight reciprocating motion mechanism of carriage bottom is connected, the direction of motion of straight reciprocating motion mechanism is followed the width direction in carriage sets up, the bottom at back door be provided with with mutual lock of latch hook or out -of -gear hasp, railway carriage tail part be fixed with with the joint strip of back door looks pressfitting. The utility model provides a current tipper back door locking device became invalid easily to and the not tight problem of back door sealing. 本实用新型公开了种自卸式渣土车后门锁紧装置，涉及特种汽车制造技术领域，包括用于锁紧后门的锁钩，所述后门与车厢上部相铰接，所述锁钩与安装在所述车厢底部的刚性的直线往复运动机构相连接，所述直线往复运动机构的运动方向沿所述车厢的宽度方向设置；所述后门的底部设置有与所述锁钩相互扣合或脱开的锁扣；在所述车厢尾部固定有与所述后门相压合的密封胶条。本实用新型解决了