CN-224211021-U - Rear protection beam assembly and vehicle thereof

CN224211021UCN 224211021 UCN224211021 UCN 224211021UCN-224211021-U

Abstract

The application relates to a rear protection beam assembly and a vehicle thereof, comprising a beam body and a reinforcement, wherein the beam body comprises a first side plate and a second side plate which are mutually spaced, the first side plate and the second side plate are oppositely arranged, and the second side plate is used for being connected with a longitudinal beam of the vehicle; the first reinforcing part comprises a first connecting end and a first spacing end which are oppositely arranged, the second reinforcing part comprises a second connecting end and a second spacing end which are oppositely arranged, the first connecting end is connected with the second connecting end, the first connecting end and the second connecting end are connected with the first side plate, the first spacing end and the second spacing end are mutually arranged at intervals, and the first spacing end and the second spacing end are connected with the second side plate. The rear protection beam assembly and the vehicle thereof can reduce the probability of deformation or fracture of the rear protection beam assembly so as to ensure the safety of passengers.

Inventors

LIAO SHILIN
JIANG QINGSHUN
LEI YANG
ZHANG TIANPING
WEI LIPING
LI TIANLIANG
NING HAO

Assignees

赛力斯汽车有限公司

Dates

Publication Date: 20260508
Application Date: 20250529

Claims (10)

1. A rear bumper beam assembly, comprising: The beam body comprises a first side plate and a second side plate which are mutually spaced, wherein the first side plate and the second side plate are oppositely arranged, and the second side plate is used for being connected with a longitudinal beam of a vehicle; A stiffener including a first stiffener and a second stiffener, the first stiffener and the second stiffener each being located between the first side plate and the second side plate; The first reinforcing part comprises a first connecting end and a first interval end which are oppositely arranged, the second reinforcing part comprises a second connecting end and a second interval end which are oppositely arranged, the first connecting end is connected with the second connecting end, the first connecting end and the second connecting end are both connected with the first side plate, the first interval end and the second interval end are mutually arranged at intervals, and the first interval end and the second interval end are both connected with the second side plate.
2. The rear bumper assembly of claim 1, wherein a distance between the first and second reinforcement portions increases from the first connecting end toward the second spaced end.
3. The rear bumper beam assembly of claim 1, including a plurality of said stiffeners, the plurality of said stiffeners being disposed in sequence from said first spaced end toward said second spaced end, the first spaced end of one of the adjacent stiffeners being connected to the second spaced end of the other stiffener.
4. The rear bumper beam assembly of claim 3, further comprising a reinforcement spacer, the reinforced partition plate is positioned between the first side plate and the second side plate and connected with the first side plate and the second side plate; The plurality of reinforcing members are located on two opposite sides of the reinforcing partition in a thickness direction of the reinforcing partition.
5. The rear bumper beam assembly of claim 4, wherein orthographic projections of a plurality of stiffeners located on opposite sides of the reinforcement spacer along the thickness direction of the reinforcement spacer coincide with the reinforcement spacer.
6. The rear bumper beam assembly of claim 4, wherein the reinforcement spacer is provided with a plurality of first lightening holes, the plurality of first lightening holes being spaced apart from one another.
7. The rear bumper assembly of claim 6, wherein orthographic projections of the plurality of reinforcement members along the thickness direction of the reinforcement spacer are spaced from the plurality of first lightening holes.
8. The rear bumper beam assembly of claim 4, further comprising a crash box assembly comprising a third side panel disposed opposite the fourth side panel, a fourth side panel connected between the second side panel and the stringers, and a second divider panel between the third side panel and the fourth side panel and connected to the third side panel and the fourth side panel; The rear bumper beam assembly further comprises reinforcing ribs, wherein the reinforcing ribs are located between the third side plate and the fourth side plate and connected with the third side plate and the fourth side plate, the reinforcing ribs are of a grid structure, and the reinforcing ribs are arranged on two opposite sides of the second partition plate along the thickness direction of the second partition plate.
9. The rear bumper beam assembly of claim 8, wherein the beam body, the reinforcement spacer, the crash box assembly, and the reinforcement bar are an aluminum alloy unitary structure.
10. A vehicle comprising a longitudinal beam and the rear bumper beam assembly of any one of claims 1-9, the rear bumper beam assembly being connected to the longitudinal beam.

Description

Rear protection beam assembly and vehicle thereof Technical Field The application belongs to the technical field of automobile rear bumpers, and particularly relates to a rear bumper beam assembly and a vehicle with the rear bumper beam assembly. Background The automobile rear bumper beam assembly is a safety device for absorbing and buffering external impact force and protecting the rear part of the automobile body. When the rear part of the automobile collides, the rear protection beam assembly can absorb and transmit energy generated by collision, and the deformation degree of the passenger cabin is reduced, so that the passenger safety is protected. However, the existing rear protection beam assembly is weak in rigidity and stability, so that when the rear part of the automobile collides, the rear protection beam assembly easily causes rear automobile invasion, and the safety of passengers is seriously affected. Disclosure of utility model The application aims to provide a rear protection beam assembly and a vehicle thereof, which can reduce the probability of deformation or fracture of the rear protection beam assembly so as to ensure the safety of passengers. The application discloses a rear protection cross beam assembly which comprises a cross beam body and a reinforcement, wherein the cross beam body comprises a first side plate and a second side plate which are mutually spaced, the first side plate and the second side plate are oppositely arranged, the second side plate is used for being connected with a longitudinal beam of a vehicle, the reinforcement comprises a first reinforcement part and a second reinforcement part, the first reinforcement part and the second reinforcement part are respectively positioned between the first side plate and the second side plate, the first reinforcement part comprises a first connecting end and a first spacing end which are oppositely arranged, the second reinforcement part comprises a second connecting end and a second spacing end which are oppositely arranged, the first connecting end is connected with the second connecting end, the first connecting end is connected with the first side plate, the second spacing end is mutually spaced, and the first spacing end is connected with the second spacing end. In an exemplary embodiment of the application, the distance between the first reinforcement portion and the second reinforcement portion increases gradually from the first connection end toward the second spaced end. In an exemplary embodiment of the present application, the rear bumper beam assembly includes a plurality of the reinforcing members, the plurality of reinforcing members are disposed in sequence from the first spaced end toward the second spaced end, and the first spaced end of one of the adjacent reinforcing members is connected to the second spaced end of the other reinforcing member. In an exemplary embodiment of the present application, the rear bumper beam assembly further includes a reinforcement spacer positioned between and connected to the first side plate and the second side plate, and a plurality of the reinforcement members are positioned at opposite sides of the reinforcement spacer in a thickness direction of the reinforcement spacer. In one exemplary embodiment of the present application, orthographic projections of a plurality of reinforcing members located on two opposite sides of the reinforcing partition in a thickness direction of the reinforcing partition coincide with the reinforcing partition. In an exemplary embodiment of the present application, the reinforcing partition is provided with a plurality of first lightening holes, and the plurality of first lightening holes are spaced apart from each other. In an exemplary embodiment of the present application, a plurality of the reinforcing members are disposed at intervals from the plurality of the first lightening holes in an orthographic projection of the reinforcing members in a thickness direction of the reinforcing spacer. In an exemplary embodiment of the present application, the rear bumper beam assembly further includes an energy-absorbing box assembly, the energy-absorbing box assembly includes a third side plate, a fourth side plate, and a second dividing plate, the third side plate is disposed opposite to the fourth side plate, the third side plate and the fourth side plate are both connected between the second side plate and the longitudinal beam, the second dividing plate is disposed between the third side plate and the fourth side plate and is connected to the third side plate and the fourth side plate, the rear bumper beam assembly further includes a reinforcing rib disposed between the third side plate and the fourth side plate and is connected to the third side plate and the fourth side plate, and the reinforcing rib is disposed on two opposite sides of the second dividing plate along a thickness direction of the second dividing plate. In an exemplary embodime