CN-122009340-A - Front floor assembly structure and new energy vehicle

CN122009340ACN 122009340 ACN122009340 ACN 122009340ACN-122009340-A

Abstract

The invention discloses a front floor assembly structure and a new energy vehicle, and relates to the technical field of new energy vehicles, wherein a front floor assembly structure drainage structure comprises a front floor body, two threshold structures, two seat rear cross beam structures and a reinforcing cross beam structure, the middle of the front floor body is arranged in a protruding mode to form a central channel at the protruding position, the two threshold structures are respectively arranged on the left side and the right side of the front floor body, the threshold body is provided with an inner cavity, threshold reinforcing beams are arranged in the inner cavity, threshold connecting plates are arranged between the threshold body and the front floor body at intervals along the front-rear direction, the two seat rear cross beam structures are respectively arranged on the two sides of the central channel and fixedly arranged on the upper side face of the front floor body, and the reinforcing cross beam structure is arranged on the central channel in a crossing mode and corresponds to the seat rear cross beam structure in the front-rear direction and is arranged on the lower side face of the front floor body. The invention provides a front floor assembly structure which meets the EU side column collision rule standard and has low development cost.

Inventors

ZHANG LIMING
JIANG WENHAI
ZHANG YUAN
CHEN WENGANG
HUANG DAJIA
WU GUOHONG
LI GUANZHAO

Assignees

东风柳州汽车有限公司

Dates

Publication Date: 20260512
Application Date: 20260324

Claims (10)

1. A front floor assembly structure, comprising: the middle part of the front floor body is arranged in a protruding way so as to form a central channel at the protruding part; the two threshold structures are respectively arranged at the left side and the right side of the front floor body, each threshold structure comprises a threshold body, a threshold reinforcing beam and a plurality of threshold connecting plates, the threshold body is provided with an inner cavity, the threshold reinforcing beam is arranged in the inner cavity, and the plurality of threshold connecting plates are arranged between the threshold body and the front floor body at intervals along the front-rear direction; two seat rear beam structures which are respectively arranged at two sides of the central channel and fixedly arranged at the upper side surface of the front floor body and extend along the left and right directions, and The reinforcing beam structure is arranged on the central channel in a straddling manner, corresponds to the seat rear beam structure in the front-rear direction and is arranged on the lower side face of the front floor body, and extends along the left-right direction.
2. The front floor assembly structure of claim 1, wherein each of said seat rear cross member structures has an interior cavity; the front floor assembly structure further comprises two seat rear beam reinforcing plates, wherein the two seat rear beam reinforcing plates extend in the left-right direction and are correspondingly arranged in the inner cavities of the two seat rear beam structures.
3. The front floor assembly structure of claim 1, further comprising a central under-channel reinforcement plate fixedly disposed on an upper side of the reinforcement beam structure and disposed in correspondence of the central channel.
4. A front floor assembly structure as claimed in claim 3, wherein the reinforcement beam structure is provided with a plurality of first connection holes extending vertically therethrough, and the central channel lower reinforcement plate is provided with a second connection hole extending therethrough corresponding to the plurality of first connection holes; The front floor assembly structure is further provided with a plurality of first fasteners, and each first fastener sequentially penetrates through each first connecting hole and the corresponding second connecting hole.
5. The front floor assembly structure of claim 1, further comprising two battery pack rail structures disposed on the underside of the front floor body and respectively located between the threshold body and the central channel; the threshold connecting plates are respectively and correspondingly positioned between the threshold body and the battery pack longitudinal beam structure.
6. The front floor assembly structure of claim 5, wherein each of said battery pack rail structures has an interior cavity; The front floor assembly structure further comprises two battery pack longitudinal beam reinforcing plates, and the two battery pack longitudinal beam reinforcing plates are correspondingly arranged in the inner cavities of the two battery pack longitudinal beam structures.
7. The front floor assembly structure of claim 6, wherein the battery pack longitudinal beam structure is provided with a plurality of third connecting holes in a penetrating manner along the up-down direction, and the battery pack longitudinal beam reinforcing plate is provided with fourth connecting holes corresponding to the plurality of third connecting holes in a penetrating manner; The front floor assembly structure is further provided with a plurality of second fasteners, and each second fastener sequentially penetrates through each third connecting hole and the corresponding fourth connecting hole.
8. The front floor assembly structure of claim 1, wherein a middle portion of the reinforcement beam structure is provided in a downwardly convex shape to form a groove extending in a left-right direction.
9. The front floor assembly structure of claim 1, wherein the material of the front floor assembly structure comprises advanced high strength steel.
10. A new energy vehicle, characterized in that it comprises the front floor assembly structure according to any one of claims 1 to 9.

Description

Front floor assembly structure and new energy vehicle Technical Field The invention relates to the technical field of new energy vehicles, in particular to a front floor assembly structure and a new energy vehicle. Background The side column collision regulation is brought into national standard, but does not belong to mandatory regulation requirements at present, so that the domestic vehicle type only meets the side collision regulation in order to reduce the development cost of the vehicle type. However, with the continuous and strong development of the China new energy vehicle industry, the total quantity of export vehicles is rapidly increased, and most domestic vehicle types do not meet the EU side column collision rule standard, so that the sales of export vehicles in the EU area are affected. Currently, in order to meet the standards of the european union side column regulations, many manufacturers generally redesign the production line of the front floor assembly structure to produce a front floor assembly meeting the standards, which greatly increases the development cost and prolongs the development period. Disclosure of Invention The invention mainly aims to provide a front floor assembly structure and a new energy vehicle, and aims to provide a front floor assembly structure which meets the EU side column collision regulation standard and has low development cost. In order to achieve the above object, the present invention provides a front floor assembly structure, comprising: the middle part of the front floor body is arranged in a protruding way so as to form a central channel at the protruding part; the two threshold structures are respectively arranged at the left side and the right side of the front floor body, each threshold structure comprises a threshold body, a threshold reinforcing beam and a plurality of threshold connecting plates, the threshold body is provided with an inner cavity, the threshold reinforcing beam is arranged in the inner cavity, and the plurality of threshold connecting plates are arranged between the threshold body and the front floor body at intervals along the front-rear direction; two seat rear beam structures which are respectively arranged at two sides of the central channel and fixedly arranged at the upper side surface of the front floor body and extend along the left and right directions, and The reinforcing beam structure is arranged on the central channel in a straddling manner, corresponds to the seat rear beam structure in the front-rear direction and is arranged on the lower side face of the front floor body, and extends along the left-right direction. In one embodiment, each of the seat rear cross beam structures has an interior cavity; the front floor assembly structure further comprises two seat rear beam reinforcing plates, wherein the two seat rear beam reinforcing plates extend in the left-right direction and are correspondingly arranged in the inner cavities of the two seat rear beam structures. In an embodiment, the front floor assembly structure further includes a central channel lower reinforcing plate, and the central channel lower reinforcing plate is fixedly disposed on an upper side surface of the reinforcing beam structure and is disposed corresponding to the central channel. In an embodiment, the reinforcing beam structure is provided with a plurality of first connecting holes in a penetrating manner along the up-down direction, and the central channel lower reinforcing plate is provided with a plurality of second connecting holes corresponding to the first connecting holes in a penetrating manner; The front floor assembly structure is further provided with a plurality of first fasteners, and each first fastener sequentially penetrates through each first connecting hole and the corresponding second connecting hole. In an embodiment, the front floor assembly structure further includes two battery pack longitudinal beam structures, and the two battery pack longitudinal beam structures are disposed on the lower side surface of the front floor body and respectively located between the threshold body and the central channel correspondingly; the threshold connecting plates are respectively and correspondingly positioned between the threshold body and the battery pack longitudinal beam structure. In one embodiment, each of the battery pack rail structures has an interior cavity; The front floor assembly structure further comprises two battery pack longitudinal beam reinforcing plates, and the two battery pack longitudinal beam reinforcing plates are correspondingly arranged in the inner cavities of the two battery pack longitudinal beam structures. In an embodiment, the battery pack longitudinal beam structure is provided with a plurality of third connecting holes in a penetrating manner along the up-down direction, and the battery pack longitudinal beam reinforcing plate is provided with fourth connecting holes corresponding to the plurality