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CN-224225023-U - Frame structure and vehicle

CN224225023UCN 224225023 UCN224225023 UCN 224225023UCN-224225023-U

Abstract

The utility model discloses a frame structure and a vehicle, and relates to the technical field of vehicles, wherein the frame structure comprises a front anti-collision beam, two energy-absorbing boxes and two longitudinal beams, the two energy-absorbing boxes are respectively connected with two ends of the front anti-collision beam and are arranged on the rear side of the front anti-collision beam, the two longitudinal beams are respectively connected with the two energy-absorbing boxes, and a plurality of shrinkage cavities are formed in the front ends of the two longitudinal beams. The technical scheme provided by the utility model improves the energy absorption effect of the frame structure and improves the use safety of the vehicle.

Inventors

  • FAN KE
  • LI FEI
  • SUN CHENGZHAO
  • ZHANG TENGLI
  • ZHANG YUXUAN

Assignees

  • 浙江吉利控股集团有限公司
  • 山东吉利新能源商用车有限公司
  • 雷达汽车(山东)有限公司

Dates

Publication Date
20260512
Application Date
20250506

Claims (10)

  1. 1. A frame structure, comprising: a front bumper beam; Two energy absorption boxes respectively connected with two ends of the front anti-collision beam and arranged at the rear side of the front anti-collision beam, and The two longitudinal beams are respectively connected with the two energy absorption boxes, and a plurality of crumple holes are formed in the front ends of the two longitudinal beams.
  2. 2. The frame structure of claim 1, wherein a plurality of said crush holes are arranged in a matrix on said side rail.
  3. 3. The frame structure of claim 1, wherein said crush holes are provided in the edges of said upper and lower sides of said stringers.
  4. 4. A frame structure as claimed in claim 3, wherein said crush holes are also provided between the upper and lower edges of said stringers.
  5. 5. The frame structure of claim 1, wherein the diameter of the crumple holes is D, and the distance between the center of one adjacent crumple hole and the center of the other crumple hole along the axial direction of the longitudinal beam is L1, L1 is more than or equal to 1.5D, and L1 is more than or equal to 4.0D; And the distance between the circle center of one adjacent crumple hole and the circle center of the other crumple hole along the up-down direction of the longitudinal beam is L2, and L2 is more than or equal to 2.0D and less than or equal to 6.0D.
  6. 6. The frame structure of claim 5, wherein the crush holes have a pore size D of 7mm to 18mm.
  7. 7. The frame structure of claim 1, wherein the crash boxes are provided with a plurality of crush ribs which are arranged at intervals along the axial direction of the frame, and/or The cross-sectional dimension of the crash box increases gradually in the front-to-rear direction.
  8. 8. The frame structure of claim 1, wherein a first connecting plate is arranged on one side of the energy absorption box facing the longitudinal beam, a first connecting hole is arranged on the first connecting plate, a second connecting plate is arranged on one side of the longitudinal beam facing the energy absorption box, a second connecting hole corresponding to the first connecting hole is arranged on the second connecting plate, and a connecting piece sequentially penetrates through the first connecting hole and the second connecting hole to connect the energy absorption box and the longitudinal beam, and/or The front anti-collision beam and the two energy absorption boxes are respectively welded and connected.
  9. 9. The frame structure of any one of claims 1 to 8, wherein the front impact beam and the crash boxes are both made of steel, and/or Both longitudinal beams are made of aluminum alloy materials.
  10. 10. A vehicle comprising a frame structure as claimed in any one of claims 1 to 9.

Description

Frame structure and vehicle Technical Field The utility model relates to the technical field of vehicles, in particular to a frame structure and a vehicle. Background With the development of vehicle technology, people are paying more attention to safety of vehicles. In the conventional vehicle safety design, a front-end frame is used as a core component for collision energy absorption, and most of the front-end frames are provided with energy absorption boxes with energy absorption function. However, only partial collision force can be absorbed by the energy absorption box, and still larger collision force can be transmitted to the cab, so that larger injury is caused to passengers. Disclosure of utility model The utility model mainly aims to provide a frame structure and a vehicle, and aims to improve the energy absorption effect of the frame structure, so that the use safety of the vehicle is improved. In order to achieve the above object, the present utility model provides a frame structure comprising: a front bumper beam; Two energy absorption boxes respectively connected with two ends of the front anti-collision beam and arranged at the rear side of the front anti-collision beam, and The two longitudinal beams are respectively connected with the two energy absorption boxes, and a plurality of crumple holes are formed in the front ends of the two longitudinal beams. In one embodiment, a plurality of the crush holes are arranged in a matrix on the stringers. In one embodiment, the crumple holes are formed in edges of the upper side and the lower side of the longitudinal beam. In one embodiment, the crush holes are also provided between the edges of the upper and lower sides of the stringers. In one embodiment, the aperture of the crumple holes is D, and the distance between the center of one adjacent crumple hole and the center of the other crumple hole along the axial direction of the longitudinal beam is L1, wherein L1 is more than or equal to 1.5D and less than or equal to 4.0D; And the distance between the circle center of one adjacent crumple hole and the circle center of the other crumple hole along the up-down direction of the longitudinal beam is L2, and L2 is more than or equal to 2.0D and less than or equal to 6.0D. In one embodiment, the crush holes have a pore size D of 7mm to 18mm. In one embodiment, the energy absorption box is provided with a plurality of crumple ribs which are arranged at intervals along the axial direction of the frame and/or The cross-sectional dimension of the crash box increases gradually in the front-to-rear direction. In one embodiment, the side of the energy-absorbing box facing the longitudinal beam is provided with a first connecting plate, the first connecting plate is provided with a first connecting hole, the side of the longitudinal beam facing the energy-absorbing box is provided with a second connecting plate, the second connecting plate is provided with a second connecting hole corresponding to the first connecting hole, and a connecting piece sequentially passes through the first connecting hole and the second connecting hole to connect the energy-absorbing box and the longitudinal beam, and/or The front anti-collision beam and the two energy absorption boxes are respectively welded and connected. In one embodiment, the front bumper beam and the crash boxes are both made of steel, and/or Both longitudinal beams are made of aluminum alloy materials. The utility model also provides a vehicle, which comprises the frame structure. According to the technical scheme, a front anti-collision beam, two energy-absorbing boxes and two longitudinal beams are arranged in a frame structure, wherein the two energy-absorbing boxes are respectively connected with two ends of the front anti-collision beam and are arranged on the rear side of the front anti-collision beam, the two longitudinal beams are respectively connected with the two energy-absorbing boxes, and a plurality of crumple holes are formed in the front ends of the two longitudinal beams. Therefore, when the front end collision of the vehicle occurs, collision force is sequentially transmitted to the cab after three levels of energy absorption are performed on the front anti-collision beam, the energy absorption box and the longitudinal beam. Compared with the scheme that only the energy-absorbing box is arranged in the prior art, the front end of the longitudinal beam is provided with the crumple hole, so that the longitudinal beam can further absorb energy, the energy-absorbing effect of the frame structure is improved, the collision force transmitted to the cab is reduced, and the use safety of a vehicle is improved. Drawings In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the fol