Doorsill beam structure beneficial to improving collision performance of new energy vehicle type side column
Technical Field
The utility model relates to the field of new energy automobiles, in particular to a threshold beam structure beneficial to improving the collision performance of a new energy automobile type side column.
Background
With the rapid development of the new energy automobile market, how to improve the collision safety performance of the new energy automobile becomes a key point of social and enterprise attention. The 2021 version C-NCAP manual provides a side column collision working condition for a new energy automobile type, and aims to promote enterprises to attach importance to the safety problem of the new energy automobile under the side column collision working condition. If the module is seriously extruded to cause liquid leakage in the working condition of side column collision, serious accidents such as vehicle fire and the like can be caused, so that how to design the vehicle body structure, disperse collision energy and ensure that the safety of the battery pack module becomes the key point of attention in the design of the new energy automobile body. The threshold beam is used as an important energy absorption and force transmission structure in the side column collision working condition, is close to the battery pack module and is of great importance to the safety of the battery pack module. Therefore, a threshold beam structure beneficial to improving the collision performance of the side column of the new energy vehicle type is needed, the space utilization rate of the battery module can be improved, and the safety of the module can be ensured.
Chinese patent application publication No. CN103661634A, published as 2014, 03 and 26, entitled "car sill beam structure", discloses a car sill beam structure, which includes a passage tube and outer fin, and is characterized in that: the automobile doorsill beam structure is an extrusion-molded section and comprises at least 1 channel pipe; the channel pipe is provided with at least 1 outer fin, and the outer fin extends along channel pipe length direction. This novel car threshold roof beam structure is unique, design benefit, very light, and make required mould few, with low costs, the process is few, easily realizes modularization, specialized production. But this threshold beam structure is not suitable for the new energy automobile that has the battery package.
Disclosure of Invention
The utility model aims to solve the problems that the car sill beam structure occupies the space of a battery pack module or the strength of the car sill beam structure is insufficient in the prior art, provides the sill beam structure which is beneficial to improving the side column collision performance of a new energy vehicle type, and has the advantages of simple structure, stable connection, capability of protecting the battery pack module, capability of providing more space for the battery pack module and the like.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a be favorable to improving threshold beam structure of new forms of energy motorcycle type side post collision performance, including the threshold roof beam, seat front beam and seat rear cross beam, threshold roof beam top is fixed with seat front beam and seat rear cross beam, seat front beam and seat rear cross beam below are equipped with the battery package module, be equipped with the threshold strengthening rib in the threshold roof beam, the threshold strengthening rib includes the vertical strengthening rib of a plurality of, threshold roof beam downside is equipped with the vacancy region that is used for increasing battery package module and places the space, the regional side cross sectional shape that embodies for the threshold roof beam of vacancy is the polygon.
Among the above-mentioned technical scheme, the side cross-section of threshold roof beam is the polygon, and threshold roof beam downside presents local vacant, and occupation space is littleer, can provide more spaces for the battery package module for new energy automobile inside can place more battery package modules, and the duration that has promoted new energy automobile becomes mutually, and simultaneously, set up the intensity that horizontal and fore-and-aft strengthening rib can strengthen the threshold roof beam, makes the threshold roof beam both reduce occupation space and guaranteed self intensity again.
As preferred, threshold roof beam bottom is equipped with the baffle structure that can shelter from the battery package module completely, sets up the battery package module of colliding with such as the stone that the baffle structure can prevent to splash in sharp object in the side or the driving, and is safer.
As the preferred, the threshold roof beam still is equipped with seat crossbeam overlap edge, and seat crossbeam overlap edge constitutes two box structures with seat front beam and seat rear beam, and usable box structure effectively transmits the threshold roof beam atress on the seat front and rear beams among the collision process.
As preferred, still be equipped with the floor overlap edge on the threshold roof beam, the department of buckling in vacancy region is equipped with the bracing strengthening rib, and the floor overlap edge is used for with the floor welding, and the bracing strengthening rib can be decomposed the impact to oblique top, makes the floor overlap edge upset upwards among the collision process, avoids the floor overlap edge extrusion battery package module of bending downwards, can effectively protect battery package module, avoids its upper surface and side to receive the extrusion, improves battery security performance.
As preferred, the battery package module includes a plurality of battery package, is equipped with the battery crossbeam between a plurality of battery package, and the battery crossbeam both can provide spacingly for a plurality of installation package, and easy to assemble also can increase the overall structure intensity of battery package module, and the strengthening rib has more overlapping with battery package crossbeam in vertical direction in distributing, can be better transmit the power to the battery package crossbeam during the atress of being convenient for.
Preferably, the threshold beam is of an integrated extrusion forming structure, and the integrated extrusion forming is convenient and convenient for batch production.
Preferably, the threshold beam is made of aluminum alloy, the characteristic that the aluminum alloy is light in weight is utilized, the quality of the threshold beam is reduced on the premise that the strength of the threshold beam is guaranteed, and the lightweight of a single part and the whole automobile is facilitated.
The utility model has the beneficial effects that: (1) the structure is simple, and the installation is stable; (2) the transverse, longitudinal and inclined strut reinforcing ribs are arranged to ensure the strength of the sill beam and better protect the battery pack module; (3) the vacant areas are arranged to provide more space for arranging the battery pack module; (4) the production is convenient, the material is light, and the method is suitable for batch production.
Drawings
FIG. 1 is an isometric view of the overall structure of the present invention;
FIG. 2 is a side cross-sectional schematic view of the present invention;
FIG. 3 is a top view of the present invention;
FIG. 4 is an enlarged fragmentary view of the box-like structure of the present invention;
fig. 5 is a side cross-sectional view of the inventive rocker beam.
In the figure: threshold roof beam 1, threshold roof beam strengthening rib 1.1, baffle structure 1.2, seat crossbeam overlap edge 1.3, floor overlap edge 1.4, bracing strengthening rib 1.5, seat front beam 2, seat rear beam 3, battery package module 4, battery crossbeam 5, box-like structure 6, spiro union hole 7, polygon 8.
Detailed Description
The utility model is further described with reference to the following figures and specific embodiments.
Example 1:
as shown in fig. 1, 2, 3, 4 and 5, a threshold beam structure beneficial to improving the side column collision performance of a new energy vehicle comprises a threshold beam 1, a threshold beam reinforcing rib 1.1, a baffle plate structure 1.2, a seat cross beam lap edge 1.3, a floor lap edge 1.4, an inclined strut reinforcing rib 1.5, a seat front cross beam 2, a seat rear cross beam 3, a battery pack module 4, a battery cross beam 5, a box-shaped structure 6, a screw connection hole 7 and a polygon 8;
the top of a threshold beam 1 is fixed with a seat front cross beam 2 and a seat rear cross beam 3, a battery pack module 4 is arranged below the seat front cross beam 2 and the seat rear cross beam 3, a threshold reinforcing rib 1.1 is arranged in the threshold beam 1, the threshold reinforcing rib 1.1 comprises a plurality of transverse reinforcing ribs and a plurality of longitudinal reinforcing ribs, a vacancy area used for increasing the placing space of the battery pack module 4 is arranged at the lower side of the threshold beam 1, the vacancy area is embodied that the side section of the threshold beam 1 is polygonal 8, a baffle plate structure 1.2 capable of completely shielding the battery pack module 4 is arranged at the bottom of the threshold beam 1, the threshold beam 1 is also provided with a seat cross beam overlapping edge 1.3, the seat front cross beam 2 and the seat rear cross beam 3 form two box-shaped structures, the floor overlapping edge 1.4 is also arranged on the threshold beam 1, a diagonal bracing reinforcing rib 1.5 is arranged at the bending part of the vacancy area, the battery pack module 4 comprises a plurality of battery packs, be equipped with battery crossbeam 5 between a plurality of battery package, threshold roof beam 1 formula extrusion structure as an organic whole, threshold roof beam 1 is aluminum alloy material.
In the technical scheme, the side cross section of the doorsill beam 1 is a polygon 8, the lower side of the doorsill beam 1 is partially vacant, the occupied space is smaller, more space can be provided for the battery pack module 4, more battery pack modules 4 can be placed in the new energy automobile, the cruising ability of the new energy automobile is improved in a phase-changing manner, the strength of the doorsill beam 1 can be enhanced by arranging transverse and longitudinal reinforcing ribs, the occupied space of the doorsill beam 1 is reduced, the strength of the doorsill beam is ensured, a baffle plate structure 1.2 is arranged to prevent sharp objects on the side surface or splashed stones in a traveling crane from colliding with the battery pack module 4, the doorsill beam 1 is safer, the box-shaped structure can effectively transmit the stress of the doorsill beam 1 to front and rear cross beams of a seat in the process that the doorsill beam 1 is collided, the floor edge 1.4 is used for being welded with a floor, the inclined strut reinforcing rib 1.5 can decompose the collision force to the inclined upper part, make the upset that floor overlap edge 1.4 upwards in the collision process, avoid floor overlap edge 1.4 to bend extrusion battery package module downwards, can effectively protect battery package module, avoid its upper surface and side to receive the extrusion, improve battery safety performance, battery crossbeam 5 both can provide spacingly for a plurality of installation package, easy to assemble, also can increase battery package module 4's overall structure intensity, the strengthening rib has more overlapping with battery package crossbeam 5 in vertical direction in distributing, can be better transmit power to battery package crossbeam 5 during the atress, extrusion shaping is convenient, be convenient for batch production, sill beam 1 is the aluminum alloy material, the light characteristics of aluminum alloy quality itself have been utilized, the quality of sill beam 1 is reduced under the prerequisite of guaranteeing sill beam 1 intensity, be favorable to single part and the holistic lightweight of car.
The utility model has the beneficial effects that: (1) the structure is simple, and the installation is stable; (2) the transverse, longitudinal and inclined strut reinforcing ribs are arranged to ensure the strength of the sill beam and better protect the battery pack module; (3) the vacant areas are arranged to provide more space for arranging the battery pack module; (4) the production is convenient, the material is light, and the method is suitable for batch production.