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Threshold supporting plate capable of improving side impact performance

A technology of inner panel and outer panel of threshold, applied in the directions of superstructure, subassembly of upper structure, transportation and packaging, etc., can solve the problems of failing to meet the five-star requirements, complex supporting plate structure, small supporting plate structure, etc. The effect of load-bearing ratio, simple structure of support plate and low cost

Inactive Publication Date: 2020-01-07
DONGFENG LIUZHOU MOTOR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a material frame of the sill brace assembly that improves the performance of the side impact. Too small to meet the five-star requirement in the C-NCAP collision problem

Method used

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  • Threshold supporting plate capable of improving side impact performance
  • Threshold supporting plate capable of improving side impact performance
  • Threshold supporting plate capable of improving side impact performance

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Embodiment Construction

[0022] Below in conjunction with accompanying drawing and embodiment the present invention is further described:

[0023] Figure 1 to Figure 9 The sill support plate for improving the side impact performance includes a sill cavity formed by the sill inner panel 3 and the sill outer panel 4 arranged on the edge of the car floor 1; After the chair rear beam 7 is welded, it is welded with the sill outer panel 4; a U-shaped first brace 6 and a U-shaped second brace 5 are arranged in the sill cavity between the threshold inner panel 3 and the threshold outer panel 4 , the first brace 6 is welded on the door sill outer panel 4, and the second brace 5 is welded on the threshold inner panel 3; the first brace 6 and the second brace 5 are connected to the seat front beam 2 and the seat rear beam 7 in the middle, play the effect of transmitting force; such as Figure 3 to Figure 5 As shown, the first brace 6 and the second brace 5 are centered to form a back-to-back structure; as F...

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Abstract

The invention discloses a threshold supporting plate capable of improving side impact performance, and relates to the field of automobiles. The threshold supporting plate comprises an automobile floor, wherein the edge of the automobile floor is provided with a threshold inner plate; after the threshold inner plate is welded with the automobile floor, and a seat front cross beam and a seat rear cross beam on the automobile floor, the threshold inner plate is welded with a threshold outer plate; a first U-shaped supporting plate and a second U-shaped supporting plate are arranged in a thresholdcavity formed by the threshold inner plate and the threshold outer plate; the first supporting plate is welded to the threshold outer plate, and the second supporting plate is welded to the thresholdinner plate; the first supporting plate and the second supporting plate both carry out centring with the seat front cross beam and the seat rear cross beam; the first supporting plate and the secondsupporting plate are subjected to centring to form a back-to-back structure form; and the center of the first supporting plate and the center of the second supporting plate are independently providedwith a gap for inserting a B pillar inner plate. By use of the threshold supporting plate, the problems that an existing supporting plate structure is complex, is too heavy and can not be universal orcertain supporting structures are too small and can not meet a five-star requirement in a C-NCAP (China-New Car Assessment Program) impact.

Description

technical field [0001] The invention relates to the technical field of automobile manufacturing, in particular to a door sill support plate for improving the side impact performance of automobiles. Background technique [0002] Side impact is a collision detection item stipulated in the mandatory regulations of the national "GB20071 Side Impact Occupant Protection", and it is also a collision item of the industry's star collision C-NCAP. The conventional threshold structure can meet the national mandatory regulations, but to meet the five-star requirements in the C-NCAP collision, it is often necessary to design a more practical structure. In the past, there were many types of sill connections. Some braces had complex structures and were too heavy, while others were too small to meet the five-star requirements. Combined with CAE analysis, the present invention develops a brand-new door sill support plate structure, which can realize the common use of parts, reduce the weigh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62D25/20
CPCB62D25/2036
Inventor 唐竞林长波刘善英唐家亮覃永峰赵汉兴
Owner DONGFENG LIUZHOU MOTOR
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