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CN-224211140-U - Integrated new energy vehicle body front longitudinal beam rear section assembly structure

CN224211140UCN 224211140 UCN224211140 UCN 224211140UCN-224211140-U

Abstract

The utility model relates to an integrated new energy vehicle body front-side beam rear section assembly structure, which belongs to the field of automobile front-side beams and comprises a front-side beam rear section body (1), wherein a front-side beam rear section reinforcing plate (2) is arranged on the front-side beam rear section body (1), the end parts of the front-side beam rear section body (1) are respectively connected with a front-side beam body (3), an A-pillar inner plate lower section (4) and a front coaming lower cross beam (5), the integration is higher, the front-side beam rear section body (1) is of a triangle structure and has higher rigidity, the front-side beam rear section reinforcing plate (2) is of a fan-shaped structure and is better in stress, and a first reinforcing rib (6) and a second reinforcing rib (7) are arranged on the front-side beam rear section reinforcing plate (2) to enhance the rigidity of the front-side beam rear section body and guide the transmission of collision force. A plurality of grooves (13) are formed in the front longitudinal beam body (3) to form a crumple zone, impact energy is absorbed through controllable crumple deformation, and buffer protection is provided for other rigid components.

Inventors

  • HUANG KUO

Assignees

  • 宜宾凯翼汽车有限公司

Dates

Publication Date
20260508
Application Date
20250526

Claims (10)

  1. 1. The integrated new energy vehicle body front-side beam rear section assembly structure is characterized by comprising a front-side beam rear section body (1), wherein a front-side beam rear section reinforcing plate (2) is arranged on the front-side beam rear section body (1), one end of the front-side beam rear section body (1) is connected with a front coaming lower cross beam (5) of a vehicle body, and the other end of the front-side beam rear section body (1) is respectively connected with a front-side beam body (3) and an A-pillar inner plate lower section (4).
  2. 2. The integrated new energy vehicle body front-side rail rear section assembly structure of claim 1, wherein the front-side rail rear section body (1) is internally provided with a U-shaped groove (12), and the front-side rail rear section reinforcing plate (2) and the front-side rail rear section body (1) are connected to form a cavity.
  3. 3. The integrated new energy vehicle body front-rear section assembly structure according to claim 2, wherein the front-rear section reinforcing plate (2) is provided with a first reinforcing rib (6) and a second reinforcing rib (7).
  4. 4. The integrated new energy vehicle body front-longitudinal beam rear section assembly structure according to claim 3 is characterized in that the cross section of the front-longitudinal beam rear section body (1) is of a triangular structure, and the front-longitudinal beam rear section reinforcing plate (2) is of a fan-shaped structure.
  5. 5. The integrated new energy vehicle body front-rear section assembly structure according to claim 4, wherein the first reinforcing rib (6) is arc-shaped, and the second reinforcing rib (7) is arc-shaped.
  6. 6. The integrated new energy vehicle body front-longitudinal beam rear section assembly structure according to claim 5, wherein the front-longitudinal beam rear section reinforcing plate (2) and the front-longitudinal beam rear section body (1) are fixedly connected through spot welding.
  7. 7. The integrated new energy vehicle body front longitudinal beam rear section assembly structure according to any one of claims 1-6, wherein the lower section (4) of the A pillar inner plate is connected with a threshold inner plate (8), and a mounting hole (9) is formed at the joint of the threshold inner plate (8) and the lower section (4) of the A pillar inner plate.
  8. 8. The integrated new energy vehicle body front longitudinal beam rear section assembly structure according to claim 7, wherein one side of the threshold inner plate (8) is connected with a battery pack mounting longitudinal beam (10).
  9. 9. The integrated new energy vehicle body front-side rail rear section assembly structure according to any one of claims 1-6, wherein one end of the front-side rail rear section body (1) is provided with a mounting seat (11), and the mounting seat (11) is connected with a front auxiliary frame of a vehicle body.
  10. 10. The integrated new energy vehicle body front longitudinal beam rear section assembly structure according to any one of claims 1 to 6, wherein the front longitudinal beam body (3) is provided with a groove (13).

Description

Integrated new energy vehicle body front longitudinal beam rear section assembly structure Technical Field The utility model belongs to the field of automobile front longitudinal beams, and particularly relates to an integrated new energy automobile body front longitudinal beam rear section assembly structure. Background With the rapid development of new energy automobile markets, the design and manufacture of electric automobiles become an important development direction of the automobile industry. In the design of electric vehicles, the common structure of the fuel vehicles is usually prioritized in the development of the oil-electricity common platform because of the history of the development of the automobile industry from the fuel vehicles to the electric vehicles. The front longitudinal beam rear assembly structure is mainly connected with the front longitudinal beam, the floor longitudinal beam, the middle channel and the threshold, and the connecting structure is complex. The traditional scheme makes its main front longitudinal beam of connecting be connected with the floor longeron, transversely increases threshold connecting plate, mounting panel connection threshold behind the sub vehicle frame, well passageway, and this scheme leads to in the actual production part many to lead to the process many, the solder joint is many, size control difficulty scheduling problem, and traditional front longitudinal beam design can't effectively transmit collision force and collision energy. CN216861598U in 2022, 7 months and 1 day, provides a front side member of an automobile, a front side member assembly and an automobile, wherein the front side member of an automobile includes a front side member body and a front side member inner strength reinforcing plate, the front side member body includes a front side member inner plate and a front side member outer plate, the front side member inner plate and the front side member outer plate are fixedly connected to form a cavity to reinforce rigidity and strength of the front side member, the front side member inner strength reinforcing plate is fixed at a front side member tail to increase strength of the front side member tail and guide transmission of collision force, but integration of a front side member rear assembly structure cannot be realized, and energy absorbing effect after collision is not good enough and rigidity is not big enough. Disclosure of utility model The utility model aims to provide a front-longitudinal beam rear section assembly structure with high integration and high rigidity, which solves the problems of more procedures, more welding spots and the like caused by more parts in actual production. In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: The utility model provides an integrated new forms of energy automobile body front-end rail back end assembly structure, includes front-end rail back end section body, be equipped with front-end rail back end section reinforcing plate on the front-end rail back end section body, front-end rail back end section body one end is connected with the dash panel lower beam of automobile body, and the front-end rail back end section body other end is connected with front-end rail body and A post inner panel lower segment respectively. The front longitudinal back end body is internally provided with a U-shaped groove, and the front longitudinal back end reinforcing plate is connected with the front longitudinal back end body to form a cavity. The front longitudinal beam rear section reinforcing plate is provided with a first reinforcing rib and a second reinforcing rib. The section of the front longitudinal beam rear section body is of a triangular structure, and the front longitudinal beam rear section reinforcing plate is of a fan-shaped structure. The first reinforcing ribs are arc-shaped, and the second reinforcing ribs are arc-shaped. The front longitudinal beam rear section reinforcing plate and the front longitudinal beam rear section body are fixedly connected through spot welding. The lower section of the A-pillar inner plate is connected with a threshold inner plate, and a mounting hole is formed at the joint of the threshold inner plate and the lower section of the A-pillar inner plate. And one side of the threshold inner plate is connected with a battery pack installation longitudinal beam. And one end of the rear section body of the front longitudinal beam is provided with a mounting seat, and the mounting seat is connected with a front auxiliary frame of the vehicle body. And the front longitudinal beam body is provided with a groove. The front longitudinal beam has the technical effects that the front longitudinal beam rear section body with a triangle structure is respectively connected with the front longitudinal beam body, the lower section of the A column inner plate and the lower cross beam of the front coaming, the connection struct