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CN-121990057-A - Front top cross beam modal lifting structure

CN121990057ACN 121990057 ACN121990057 ACN 121990057ACN-121990057-A

Abstract

The invention provides a front top beam modal lifting structure which comprises a front top beam assembly, wherein the front top beam assembly comprises a front top beam body, front top beam connecting plates are fixedly connected to the left side and the right side of the front top beam body, a front top beam reinforcing plate is fixedly connected to the middle of the front top beam body, and the front top beam body, the front top beam connecting plates and the front top beam reinforcing plate are fixedly connected with a top cover outer plate. The front top beam assembly solves the problems that the mode is increased by increasing the material thickness of the existing front top beam assembly, and the production cost and the weight of the whole vehicle are increased.

Inventors

  • ZHENG FEI

Assignees

  • 奇瑞汽车股份有限公司

Dates

Publication Date
20260508
Application Date
20260129

Claims (10)

  1. 1. The utility model provides a preceding top crossbeam modal lifting structure, includes preceding top crossbeam assembly, characterized by, preceding top crossbeam assembly include preceding top crossbeam body (1), the equal fixedly connected with preceding top crossbeam connecting plate (2) in the left and right sides of preceding top crossbeam body (1), preceding top crossbeam reinforcing plate (3) of middle part fixedly connected with of preceding top crossbeam body (1), preceding top crossbeam connecting plate (2), preceding top crossbeam reinforcing plate (3) all with top cap planking (4) fixed connection.
  2. 2. The front top beam modal lifting structure according to claim 1, wherein the cross sections of the front top beam body (1) and the front top beam connecting plate (2) are of a 'nearly' shape, and a main reinforcing cavity (10) is formed inside after the front top beam body (1) is connected with the top cover outer plate (4).
  3. 3. The front roof beam modal lifting structure according to claim 2, wherein after the front roof beam body (1) is connected with the front roof beam connecting plate (2), front reinforcing cavities (20) and rear reinforcing cavities (30) are respectively formed on the front side and the rear side of the main reinforcing cavity (10).
  4. 4. The front roof beam modal lifting structure according to claim 1, wherein the left and right sides of the front roof beam body (1) are fixedly connected by welding after being lapped with the front roof beam connecting plate (2).
  5. 5. The front top beam modal lifting structure according to claim 4, wherein the overlapping parts of the left side and the right side of the front top beam body (1) are provided with a tongue-and-groove (101), the front top beam connecting plate (2) is provided with a tongue (201) adapting to the tongue-and-groove (101), the tongue (201) is positioned after being inserted into the tongue-and-groove (101), and the tongue (201) is fastened with the front top beam body (1) after being bent.
  6. 6. The front roof beam modal lifting structure according to claim 5, wherein the front roof beam connecting plate (2) is provided with a groove (202) at one side close to the front roof beam body (1).
  7. 7. The front top beam modal lifting structure according to claim 1, wherein the cross section of the front top beam connecting plate (2) is of a shape like a Chinese character 'ji', one side of the front top beam connecting plate (2) far away from the front top beam body (1) is bent and provided with a side connecting edge (203), and the side connecting edge (203) is fixedly connected with the inner door ring assembly.
  8. 8. The front top beam modal lifting structure according to claim 1, wherein the front and rear sides of the front top beam body (1) are provided with connecting flanges (102), the left and right sides of the connecting flanges (102) positioned at the rear side are provided with first reinforcing ribs (103), the first reinforcing ribs (103) are provided with skylight mounting plate connecting edges (104), and the skylight mounting plate connecting edges (104) are provided with bolt mounting holes.
  9. 9. The front top beam modal lifting structure according to claim 1, wherein the cross section of the front top beam reinforcing plate (3) is of a shape like a Chinese character 'ji', front connecting edges (301) and rear connecting edges (302) are respectively arranged on the front side and the rear side of the front top beam reinforcing plate (3), and the front connecting edges (301) and the rear connecting edges (302) are respectively fixedly connected with connecting flanges (102) on the front side and the rear side of the front top beam body (1).
  10. 10. The front top beam modal lifting structure according to claim 9, wherein lower bending edges (303) are arranged on the left side and the right side of the front top beam reinforcing plate (3) in a downward bending mode, front inner connecting edges (304) and rear inner connecting edges (305) are respectively arranged on the front side and the rear side of the lower bending edges (303), the front inner connecting edges (304) and the rear inner connecting edges (305) are respectively fixedly connected with the front side and the rear side of the inner wall of the front top beam body (1), lower inner connecting edges (306) are arranged at the lower end of the lower bending edges (303), and the lower inner connecting edges (306) are fixedly connected with the inner bottom wall of the front top beam body (1).

Description

Front top cross beam modal lifting structure Technical Field The invention relates to the technical field of automobile bodies, in particular to a front top cross beam modal lifting structure. Background With the improvement of life quality, the requirements of people on the perception performance of vehicles are higher and higher, and the requirements on NVH of the vehicle body and the modal requirements of the front top cross beam are also improved. The front top cross beam is an important component part of the car body structure, and because the front top cross beam is positioned above the head of a driver, abnormal sound and vibration sense can be caused if the design of the front top cross beam is not reasonable enough, and the performance sense is obvious. The two ends of the front roof beam are connected with the left and right inner door ring assemblies of the vehicle, which is important to the performances of torsional rigidity, side collision, top pressure and the like of the whole vehicle, and can provide proper mounting points for roof covers, interior roofs, skylights and the like. In order to meet NVH and modal requirements, the conventional front roof beam is generally increased in mode by increasing the material thickness, so that the production cost and the weight of the whole vehicle are increased more, and the requirements of cost control and light weight are not facilitated. Therefore, a new front roof rail mode lifting structure needs to be invented. Disclosure of Invention The invention aims to provide a front top beam modal lifting structure, which solves the problems that the mode is increased by increasing the material thickness of the existing front top beam assembly, and the production cost and the weight of the whole vehicle are increased. The technical scheme adopted for solving the technical problems is as follows: The utility model provides a preceding top crossbeam modal lifting structure, includes preceding top crossbeam assembly, preceding top crossbeam assembly include preceding top crossbeam body, the equal fixedly connected with preceding top crossbeam connecting plate in the left and right sides of preceding top crossbeam body, preceding top crossbeam reinforcing plate of middle part fixedly connected with of preceding top crossbeam body, preceding top crossbeam connecting plate, preceding top crossbeam reinforcing plate all with top cap planking fixed connection. Preferably, in combination with the above scheme, the cross sections of the front top beam body and the front top beam connecting plate are of a 'several' -shaped structure, and the front top beam body and the top cover outer plate are connected to form a main reinforcing cavity inside. Preferably, in combination with the above scheme, after the front top beam body is connected with the front top beam connecting plate, a front reinforcing cavity and a rear reinforcing cavity are respectively formed at the front side and the rear side of the main reinforcing cavity. Preferably, in combination with the above scheme, the left side and the right side of the front top beam body are fixedly connected with the front top beam connecting plate in a lap joint manner through welding. Preferably, in combination with the above scheme, the overlapping parts on the left side and the right side of the front top beam body are provided with the tongue-overlapping grooves, the front top beam connecting plate is provided with the tongue-overlapping tongue matched with the tongue-overlapping grooves, the tongue-overlapping tongue is inserted into the tongue-overlapping grooves for positioning, and the tongue-overlapping tongue is bent and then fastened with the front top beam body. Preferably, in combination with the above scheme, a groove is formed on one side of the front top beam connecting plate, which is close to the front top beam body. Preferably, in combination with the above scheme, the cross section of the front top beam connecting plate is of a 'nearly' shape structure, one side of the front top beam connecting plate far away from the front top beam body is bent and provided with a side connecting edge, and the side connecting edge is used for being fixedly connected with the inner door ring assembly. Preferably, in combination with the above scheme, the front and rear sides of the front top beam body are respectively provided with a connecting flange, the left and right sides of the connecting flange at the rear side are provided with first reinforcing ribs, the first reinforcing ribs are provided with skylight mounting plate connecting edges, and the skylight mounting plate connecting edges are provided with bolt mounting holes. Preferably, in combination with the above scheme, the cross section of the front top beam reinforcing plate is in a shape like a Chinese character 'ji', and the front and rear sides of the front top beam reinforcing plate are respectively provided with a front connecting edge and a rear connec