White vehicle body frame

A body-in-white and frame technology, which is applied in the field of body-in-white frames, can solve the problems of large intrusion in the frontal collision, weak three-way joints, unfavorable welding advancement and precision improvement, etc.
CN112373569APending Publication Date: 2021-02-19SAIC-GM-WULING AUTOMOBILE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SAIC-GM-WULING AUTOMOBILE CO LTD
Publication Date
2021-02-19

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Abstract

The invention discloses a white vehicle body frame. An upper surface of a front floor assembly is flush with the upper surface of a rear floor assembly, a concave spare wheel cabin is arranged on themiddle rear portion of the front floor assembly, and an upper left longitudinal beam and an upper right longitudinal beam are fixed to the upper surface of the front floor assembly in a bilateral symmetry mode. The left upper longitudinal beam and the right upper longitudinal beam are respectively arranged corresponding to the front parts of a left beam and a right beam up and down; a cross beam group comprises a first cross beam, a second cross beam and a cross beam outward extending component which are fixed on the lower surface of the front floor assembly and also comprises a spare wheel cabin upper cross beam, a left seat front cross beam, a right seat front cross beam, a left seat rear cross beam and a right seat rear cross beam fixed to the upper surface of the front floor assembly,the outer side of the left beam and the outer side of the right beam are fixedly connected with a threshold inner plate body through cross beam outer extending assemblies respectively. According to the white vehicle body frame, a multi-force-transmission-path frame structure is formed, the collision force is effectively dispersed, the safety performance of a vehicle is improved, the height of thevehicle is reduced, and the wind resistance of the whole vehicle is improved.
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Description

technical field

[0001] The invention relates to a body-in-white frame, in particular to a body-in-white frame. Background technique

[0002] The body frame is the main body of the vehicle to bear the load and resist the impact of collisions. Its strength is determined by the frame beam loop and its connecting joints. Due to the differences in the market positioning, functional configuration, engineering layout and manufacturing strategy of the complete vehicle, the body frame is different. Common MPV body frames come in two forms:

[0003] 1. If Figure 1-4 As shown in , the semi-load-bearing body frame mainly transmits force through the front frame 55, the middle frame 56, and the rear frame 57 on the front, and a small part of the force is distributed to the side wall through the front wall reinforcement plate 47 and the front brace plate 48; The force is transmitted through the annular frame formed by the side frame 52 and the beam. The frame structure has the followin...

Claims

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