The invention provides a lower vehicle body frame structure. The lower vehicle body frame structure comprises a left front longitudinal beam, a right front longitudinal beam, a left doorsill, a rightdoorsill and a middle channel and further comprises a front wall lower cross beam, a left front longitudinal beam connector and a right front longitudinal beam connector, wherein the front wall lowercross beam is located between the left doorsill and the right doorsill, and the middle of the front wall lower cross beam is connected with the front end of the middle channel; openings of the left front longitudinal beam connector and the right front longitudinal beam connector are upward; the left front longitudinal beam connector is connected with the rear end of the left front longitudinal beam, the front end of the left threshold and the left end of the front wall lower cross beam; and the right front longitudinal beam connector is connected with the rear end of the right front longitudinal beam, the front end of the right threshold and the right end of the front wall lower cross beam. According to the lower vehicle body frame structure, the collision performance can be improved, andlight weight can be achieved.
本发明提供一种下车体框架结构,包括左前纵梁、右前纵梁、左门槛、右门槛和中通道,所述下车体框架结构还包括前围下横梁、左前纵梁接头和右前纵梁接头,所述前围下横梁位于所述左门槛和所述右门槛之间,所述前围下横梁的中部与所述中通道的前端连接;所述左前纵梁接头和所述右前纵梁接头开口向上,所述左前纵梁接头分别与所述左前纵梁的后端、所述左门槛的前端及所述前围下横梁的左端连接,所述右前纵梁接头分别与所述右前纵梁的后端、所述右门槛的前端及所述前围下横梁的右端连接。本发明的下车体框架结构,可提高碰撞性能并实现轻量化。
Lower vehicle body frame structure
下车体框架结构
2020-07-21
Patent
Elektronische Ressource
Chinesisch
IPC: | B62D MOTOR VEHICLES , Motorfahrzeuge |