Threshold beam structure of hydrogen energy automobile
Technical Field
The utility model relates to an automobile parts technical field especially relates to a threshold beam structure of hydrogen energy car.
Background
With the continuous improvement of the requirements of energy conservation and emission reduction of automobiles, the requirements on the light weight of automobile bodies are increasingly strict. In order to adapt to the requirement of lightweight, satisfy the requirement to the automobile body performance simultaneously, part new fuel automobile producer can adopt carbon-fibre composite structure to replace traditional steel sheet structure when designing car threshold roof beam, because carbon-fibre composite is a non-conductor brittle material, the threshold roof beam of making by carbon-fibre composite has following problem: firstly, the rigidity and the strength of the sill beam are difficult to ensure when a hydrogen energy automobile is subjected to side collision, and secondly, the technical problems in the industry are how to design a collision energy absorption structure of the carbon fiber composite material sill beam and how to design an electric lap joint structure in the sill beam structure.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the present invention provides a threshold beam structure of a hydrogen energy automobile.
The embodiment of the utility model provides a threshold beam structure of a hydrogen energy automobile, which comprises a threshold inner plate, a vertical plate and a threshold outer plate, the transverse cross sections of the inner threshold plate and the outer threshold plate are in a shape like a Chinese character 'ji', the vertical plate is a plane plate and is positioned between the inner threshold plate and the outer threshold plate, the inner doorsill plate is connected with one side surface of the vertical plate and forms a left cavity with the vertical plate, the outer doorsill plate is connected with the other side surface of the vertical plate and forms a right cavity with the vertical plate, the transverse sections of the left cavity and the right cavity are both trapezoidal, an aluminum alloy energy-absorbing plate is arranged in the right cavity, the two ends of the aluminum alloy energy-absorbing plate are provided with electric lap joint bosses, the aluminum alloy energy-absorbing plate is used for improving the strength of the doorsill outer plate so as to prevent the doorsill outer plate from being cracked during side collision, the electric lapping lug bosses are used for electrically communicating electric elements at the front end and the rear end of the hydrogen energy automobile body structure.
Further, the cross section of the aluminum alloy energy absorption plate is U-shaped, and the thickness of the aluminum alloy energy absorption plate is 1.0 mm-2.0 mm.
Further, the aluminum alloy energy absorption plate is connected with the outer doorsill plate through structural adhesive.
Furthermore, a pair of Z-shaped reinforcing parts which are symmetrically arranged are arranged in the left cavity, the two Z-shaped reinforcing parts are made of carbon fiber composite materials, and the two Z-shaped reinforcing parts are used for improving the strength of the inner doorsill plate.
Furthermore, the left end faces of the two Z-shaped reinforcing parts are respectively connected with the inner side face of the inner doorsill plate, and the right end faces of the two Z-shaped reinforcing parts are respectively connected with the vertical plate.
Further, a plurality of aluminum alloy transverse partition plates are uniformly arranged in the right cavity and used for improving the strength of the outer plate of the threshold.
Furthermore, partition plate flanges are arranged at the upper end and the lower end of each transverse partition plate, and each transverse partition plate is connected with the outer plate of the doorsill through the partition plate flanges.
Furthermore, the inner threshold plate, the vertical plate and the outer threshold plate are all made of carbon fiber composite materials.
The embodiment of the utility model provides a beneficial effect that technical scheme brought is: the utility model discloses a threshold beam structure of hydrogen energy car is through adopting the threshold roof beam of being made by carbon-fibre composite to set up the aluminum alloy energy-absorbing board that has electric overlap joint boss in the threshold roof beam planking, when guaranteeing the rigidity and the intensity of threshold roof beam, reached lightweight requirement, and satisfied the collision energy-absorbing of threshold roof beam and the demand of hydrogen energy car front and back end circular telegram.
Drawings
Fig. 1 is a schematic structural view of a sill beam structure of a hydrogen energy automobile according to the present invention.
Fig. 2 is a front view of the sill beam structure of a hydrogen powered vehicle of the present invention.
Fig. 3 is a schematic sectional view taken along line a-a in fig. 2.
Fig. 4 is a schematic structural view of the aluminum alloy energy absorbing plate 6 of fig. 1.
Fig. 5 is a schematic view of the structure of the transverse partition 9 in fig. 1.
In the figure: 1-a threshold inner plate, 2-a vertical plate, 3-a threshold outer plate, 4-a left cavity, 5-a right cavity, 6-an aluminum alloy energy absorption plate, 7-an electric lap joint boss, 8-a Z-shaped reinforcement, 9-a transverse partition plate and 10-a partition plate flanging.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be further described below with reference to the accompanying drawings.
Referring to fig. 1, an embodiment of the present invention provides a threshold beam structure of a hydrogen energy automobile, including a threshold inner plate 1, a vertical plate 2 and a threshold outer plate 3, wherein the material of the threshold inner plate 1, the vertical plate 2 and the threshold outer plate 3 is carbon fiber composite material.
Referring to fig. 1 and 2, the transverse cross sections of the rocker inner panel 1 and the rocker outer panel 3 are both in a shape of a Chinese character ji, the vertical plate 2 is a plane plate and is positioned between the inner threshold plate 1 and the outer threshold plate 3, the vertical plate 2 is used for increasing the bending rigidity of the threshold beam, the inner threshold plate 1 is connected with one side surface of the vertical plate 2 and forms a left cavity 4 with the vertical plate, the outer threshold plate 3 is connected with the other side surface of the vertical plate 2 and forms a right cavity 5 with the vertical plate, the transverse sections of the left cavity 4 and the right cavity 5 are both trapezoidal, the upper side and the lower side of the inner doorsill plate 1 and the outer doorsill plate 3 are both provided with flanges, the vertical plate 2 is respectively connected with the flanging through structural adhesive, and the cross section of the whole threshold beam formed by the threshold inner plate 1, the vertical plate 2 and the threshold outer plate 3 is in a shape of Chinese character 'zhong'.
Be equipped with a pair of Z shape reinforcement 8 that the symmetry set up in the left side cavity 4, two the 8 materials of Z shape reinforcement are carbon-fibre composite, two the left side terminal surface of Z shape reinforcement 8 is connected respectively the medial surface of threshold inner panel 1, and its right side terminal surface is connected respectively riser 2, two Z shape reinforcement 8 is used for promoting the intensity of threshold inner panel 1, in order to guarantee in this embodiment left side cavity 4 deflection is as little as possible when bumping to the side, has set up two relatively Z shape reinforcement 8, two the thickness of Z shape reinforcement 8 is about 2mm, two Z shape reinforcement 8 all adopts the adhesive to connect respectively on threshold inner panel 1 and the riser 2.
Referring to fig. 2 and 4, an aluminum alloy energy absorbing plate 6 is disposed in the right cavity 5, the cross section of the aluminum alloy energy absorbing plate 6 is U-shaped, the thickness of the aluminum alloy energy absorption plate 6 is 1.0mm to 2.0mm, the aluminum alloy energy absorption plate 6 is connected with the doorsill outer plate 3 through structural adhesive, the aluminum alloy energy absorption plate 6 is used for improving the strength of the outer rocker panel 3 so as to prevent the outer rocker panel from being cracked during side impact, the two ends of the aluminum alloy energy-absorbing plate 6 are provided with electric lapping bosses 7, the electric lapping bosses 7 are used for electrically communicating with electric elements at the front end and the rear end of the hydrogen energy automobile body structure so as to electrify the front end and the rear end of the hydrogen energy automobile body structure, the aluminum alloy energy-absorbing plate 6 is used as a conductor between the two electric lapping bosses 7 in the embodiment, when the front end and the rear end of the hydrogen energy automobile need to be conducted, the circuits of the related electrical elements at the front end and the rear end of the hydrogen energy automobile are respectively communicated with the two electric lap joint bosses 7.
Referring to fig. 1, 3 and 5, a plurality of aluminum alloy transverse partition plates 9 are uniformly arranged in the right cavity 5, partition plate flanges 10 are respectively arranged at the upper end and the lower end of each transverse partition plate 9, each transverse partition plate 9 is connected to the outer doorsill plate 3 through the partition plate flange 10, the transverse partition plates 9 are used for improving the strength of the outer doorsill plate 3, in this embodiment, the transverse partition plates 9 are equidistantly distributed between the vertical plate 2 and the aluminum alloy energy-absorbing plate 6, the left side surface of each transverse partition plate 9 is connected to the vertical plate 2, and the right side surface of each transverse partition plate 9 is connected to the aluminum alloy energy-absorbing plate 6.
The utility model discloses an adopt the threshold roof beam of making by carbon-fibre composite, and set up in the threshold roof beam planking 3 and have electric overlap joint boss 7 aluminum alloy energy-absorbing plate 6 is guaranteeing in the rigidity and the intensity of threshold roof beam, reached the lightweight requirement, and satisfied the collision energy-absorbing of threshold roof beam and the demand of hydrogen energy car front and back end circular telegram.
In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
The features of the embodiments and embodiments described herein above may be combined with each other without conflict.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.