CN217705959U - New forms of energy doorsill boundary beam assembly and vehicle - Google Patents
New forms of energy doorsill boundary beam assembly and vehicle Download PDFInfo
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- CN217705959U CN217705959U CN202221596537.5U CN202221596537U CN217705959U CN 217705959 U CN217705959 U CN 217705959U CN 202221596537 U CN202221596537 U CN 202221596537U CN 217705959 U CN217705959 U CN 217705959U
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- beam body
- reinforcing rib
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- battery pack
- threshold
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Abstract
The utility model discloses a new energy vehicle doorsill boundary beam assembly and a vehicle, which comprises a doorsill boundary beam body, a battery pack mounting plate and expansion glue; the threshold boundary beam body comprises a plurality of hollow cavities, and two ends of the threshold boundary beam body are respectively sealed through expansion glue; the top surface of the threshold side beam body is provided with an external longitudinal reinforcing rib extending longitudinally, and the external longitudinal reinforcing rib and a vehicle door sealing strip form a vehicle door stop point; one side surface of the threshold boundary beam body is provided with an external transverse reinforcing rib which extends transversely, and the external transverse reinforcing rib is connected with the floor; the battery pack mounting plate is riveted on one side face of the threshold boundary beam body, and a mounting point for mounting a battery pack is arranged on the battery pack mounting plate. The utility model discloses can reduce the damage to the battery package when taking place the side collision, can promote the NVH performance of vehicle driving in-process simultaneously.
Description
Technical Field
The utility model belongs to the technical field of new energy automobile body structure, concretely relates to new energy automobile doorsill boundary beam assembly and vehicle.
Background
Under the double-carbon strategy, electromotion becomes a great trend in the automobile industry, and the output and sales volume of new energy automobiles also rises year by year. Compared with the traditional fuel vehicle, the new energy vehicle is limited by the energy density of the battery, and the reconditioning mass of the vehicle with the same size is increased by about 15 percent, which brings adverse effects on the driving mileage, the dynamic property and the durability of the whole vehicle. Therefore, the demand for weight reduction of new energy vehicles is more urgent. New energy automobile battery package is usually arranged in the lower part of preceding floor, and threshold boundary beam is the important subassembly of protection battery package, needs to absorb the energy that takes place the side impact. Meanwhile, the threshold side beam is matched with the side wall and the front floor and the rear floor, and the requirement on the size precision of parts is high.
For example, patent document CN 216140081U discloses a new energy automobile doorsill beam structure, which is composed of an automobile inner side doorsill beam, an automobile outer side doorsill beam, an automobile door outer plate and an energy absorption mechanism, wherein the energy absorption mechanism is made of a mesh-shaped aluminum alloy extruded section. When the side column collision occurs, the energy absorption mechanism plays roles of buffering and absorbing energy, so that the bending rigidity of the vehicle body is improved, and the safety performance of the side column collision of the vehicle is improved. But the scheme has low part integration level and heavier assembly weight, and is difficult to meet the requirement of new energy automobiles on light weight.
For another example, patent document CN 212243585U discloses a hydrogen energy automobile aluminum alloy profile sill beam structure, which includes a sill beam body and a reinforcing beam. The sill body and the reinforcing beam are both made of aluminum alloy extruded sections, and the reinforcing beam is bonded to the sill body through structural adhesive and distributed near a column contact area close to the B column. According to the scheme, a large hollow cavity exists in the uncovered area of the reinforcing beam, and the side impact performance is weak. In addition, how to seal the aluminum alloy section cavity is not mentioned, and the NVH performance of the vehicle in the running process is improved.
Therefore, there is a need for a new and new energy rocker side sill assembly and vehicle.
Disclosure of Invention
An object of the utility model is to provide a new forms of energy doorsill boundary beam assembly and vehicle can reduce the harm to the battery package when taking place the side collision, can promote the NVH performance of vehicle travel in-process simultaneously.
In a first aspect, the utility model discloses a new forms of energy door sill boundary beam assembly, including threshold boundary beam body, battery package mounting panel and inflation glue;
the threshold boundary beam body comprises a plurality of hollow cavities, and two ends of the threshold boundary beam body are respectively sealed through expansion glue;
the top surface of the threshold side beam body is provided with an external longitudinal reinforcing rib extending longitudinally, and the external longitudinal reinforcing rib and a vehicle door sealing strip form a vehicle door stop point;
one side surface of the threshold boundary beam body is provided with an external transverse reinforcing rib which extends transversely, and the external transverse reinforcing rib is connected with the floor;
the battery pack mounting plate is riveted on one side face of the threshold side beam body, and mounting points for mounting the battery pack are arranged on the battery pack mounting plate.
Optionally, an inner longitudinal reinforcing rib connecting the upper side surface and the lower side surface is arranged inside the threshold boundary beam body, and the threshold boundary beam body is divided into a left part and a right part by the inner longitudinal reinforcing rib;
two internal transverse reinforcing ribs are arranged in the left part of the threshold boundary beam body at intervals to divide the left part into three hollow cavities;
three internal transverse reinforcing ribs are arranged in the right part of the threshold side beam body at intervals to divide the right part into four hollow cavities.
Optionally, the three cavities at the left part of the threshold side beam body are sequentially arranged from top to bottom, the cross section of the cavity at the top is triangular, and the cross sections of the other two cavities are square.
Optionally, the four cavities at the right part of the threshold side beam body are sequentially arranged from top to bottom, and the cross sections of the four cavities are all square.
Optionally, three tongue-shaped clips and three plastic clips are arranged on the expansion glue; the threshold side beam body is provided with a round hole; the tongue-shaped clips on the expansion glue are embedded into the corresponding round holes, and the expansion glue is fixed on the doorsill edge beam body through the cooperation of the plastic clips and the internal transverse reinforcing ribs.
Optionally, the cross section of the battery pack mounting plate is U-shaped, and a press rivet nut for mounting the battery pack is arranged on the battery pack mounting plate.
Optionally, the thickness of the material of the threshold side beam body, the inner transverse reinforcing rib, the inner longitudinal reinforcing rib, the outer transverse reinforcing rib and the outer longitudinal reinforcing rib is 2mm to 4mm.
Optionally, the thickness of the battery pack mounting plate is 2-4.5 mm.
Optionally, the doorsill edge beam body and the battery pack mounting plate are both made of aluminum alloy materials through an extrusion forming process.
In a second aspect, a vehicle, adopt like the utility model discloses a new forms of energy door sill boundary beam assembly.
The utility model has the advantages of it is following:
(1) The left part and the right part of the doorsill edge beam body are respectively provided with a plurality of hollow cavities, when side collision occurs, the cavity on one side is collapsed and deformed to absorb collision energy and transmit the collision energy to the cavity on the other side, and damage to a battery pack is reduced through a two-stage energy absorption structure;
(2) After the expansion glue is coated and electrophoresed on the vehicle, the cavity of the threshold side beam is sealed, so that the NVH performance of the vehicle in the running process is improved;
(3) Compared with the traditional steel scheme, the weight can be reduced by 25 percent by adopting a high-strength aluminum alloy material, and the light weight effect is obvious;
(4) Threshold boundary beam body, battery package mounting panel all adopt extrusion technology to make, and part size precision is high, and section structure is unanimous, can follow length direction and expand, satisfies different wheel base platformization motorcycle type development demands.
Drawings
FIG. 1 is a schematic view of the sill rocker assembly of the present embodiment (without the battery pack mounting plate);
FIG. 2 is an exploded view of the components of the rocker side sill assembly of the present embodiment;
FIG. 3 is a cross-sectional view of the rocker side sill body of the present embodiment;
FIG. 4 is a schematic structural view of the expansion glue in the present embodiment;
FIG. 5 is a schematic structural view of a battery pack mounting plate according to the present embodiment;
in the figure: 1. threshold boundary beam body, 11, round hole, 12, outside vertical strengthening rib, 13, outside horizontal strengthening rib, 14, inside vertical strengthening rib, 15, inside horizontal strengthening rib, 16, cavity, 2, expansion glue, 21, tongue checkpost, 22, plastics checkpost, 3, battery package mounting panel, 31, rivet nut, 32, self-plugging rivet trompil in advance.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, in the present embodiment, a new energy rocker boundary beam assembly includes a rocker boundary beam body 1, a battery pack mounting plate 3, and an expansion glue 2; the threshold boundary beam body 1 comprises a plurality of hollow cavities 16, and two ends of the threshold boundary beam body 1 are respectively sealed by expansion glue 2; the top surface of the threshold side beam body 1 is provided with an external longitudinal reinforcing rib 12 extending longitudinally, and the external longitudinal reinforcing rib 12 and a door sealing strip form a door stop; one side surface of the threshold boundary beam body 1 is provided with an external transverse reinforcing rib 13 which extends transversely, and the external transverse reinforcing rib 13 is connected with the floor; the battery pack mounting plate 3 is riveted on one side face of the threshold boundary beam body 1, and a mounting point for mounting a battery pack is arranged on the battery pack mounting plate 3.
In this embodiment, the inside of the threshold sill body 1 is provided with an inner longitudinal reinforcing rib 14 connecting the upper side surface and the lower side surface, and the threshold sill body 1 is divided into a left part and a right part by the inner longitudinal reinforcing rib 14; two internal transverse reinforcing ribs 15 are arranged in the left part of the threshold side beam body 1 at intervals, the left part is sequentially divided into three hollow cavities 16 from top to bottom, the cross section of the cavity 16 at the top is triangular, and the cross sections of the other two cavities 16 are square. Three internal transverse reinforcing ribs 15 are arranged in the right part of the threshold side beam body 1 at intervals, the right part is sequentially divided into four hollow cavities 16 from top to bottom, and the cross sections of the four cavities 16 are in a square shape. When a side collision occurs, the cavity 16 at the left part is collapsed and deformed to absorb collision energy and transmit the collision energy to the cavity 16 at the right part, and the damage to the battery pack is reduced through the two-stage energy absorption structure. The arrangement of the internal transverse ribs 15 and the internal longitudinal ribs 14 ensures continuity of the force transmission path.
In this embodiment, the cross section of the battery pack mounting plate 3 is U-shaped, and the battery pack mounting plate 3 is provided with a press-riveting nut 31 for mounting a battery pack. For different electric quantity battery packs, the material thickness of the battery pack mounting plate 3 is adjusted, and the mounting rigidity requirement is met. After the battery pack mounting plate 3 is glued, the battery pack mounting plate is connected with the threshold side beam body 1 through the blind rivet.
In this embodiment, the expansion glue 2 is provided with three tongue-shaped clips 21 and three plastic clips 22; the threshold side beam body 1 is provided with a round hole 11; the tongue-shaped clips 21 on the expansion glue 2 are embedded into the corresponding round holes 11, and the expansion glue 2 is fixed on the doorsill edge beam body 1 through the cooperation of the plastic clips 22 and the internal transverse reinforcing ribs 15. The expansion glue 2 is subjected to vehicle-mounted electrophoresis, expands and deforms after being heated, is filled in the threshold section bar, closes the hollow cavity 16, and improves the NVH performance.
In this embodiment, the threshold boundary beam body 11 is made of a high-strength 6-series aluminum alloy material by an extrusion forming process, and compared with a traditional stamping and welding structure, the number of parts is greatly reduced, and the requirement on collision performance of different vehicle types can be met by adjusting the thickness of the reinforcing ribs. The tensile strength of the material is more than or equal to 310MPa, and the elongation after fracture is more than or equal to 10 percent. The material thickness of the doorsill edge beam body 1, the inner transverse reinforcing rib 15, the inner longitudinal reinforcing rib 14, the outer transverse reinforcing rib 13 and the outer longitudinal reinforcing rib 12 is any value of 2-4 mm. Adjacent reinforcing ribs are designed to be chamfered, the radius of a fillet is 3-5 mm, and the extrusion manufacturability of the complex section is met. In a real vehicle, the material thickness of the internal longitudinal reinforcing rib 14 is 2.4mm, and the material thickness of the internal transverse reinforcing rib 15 is 3.2mm.
In the embodiment, the battery pack mounting plate 3 is made of a high-strength 6-series aluminum alloy material through an extrusion forming process, the tensile strength of the material is more than or equal to 310MPa, and the elongation after fracture is more than or equal to 10%. And five press rivet nuts 31 are arranged on the battery pack mounting plate 3 to provide threads for mounting the battery pack. Five blind rivet pre-openings 32 with the aperture of 6.5mm are designed on the battery pack mounting plate 3 and are connected with the threshold boundary beam body 1 through blind rivets. The material thickness of the battery pack mounting plate 3 is any value of 2 mm-4.5 mm.
In this embodiment, a vehicle adopts the new energy rocker boundary beam assembly as described in this embodiment.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.
Claims (10)
1. The utility model provides a new forms of energy doorsill boundary beam assembly which characterized in that: the side sill comprises a side sill body (1), a battery pack mounting plate (3) and expansion glue (2);
the doorsill edge beam body (1) comprises a plurality of hollow cavities (16), and two ends of the doorsill edge beam body (1) are respectively sealed through expansion glue (2);
the top surface of the doorsill edge beam body (1) is provided with an external longitudinal reinforcing rib (12) extending longitudinally, and the external longitudinal reinforcing rib (12) is used for forming a door stop point with a door sealing strip;
one side surface of the threshold boundary beam body (1) is provided with an external transverse reinforcing rib (13) which extends transversely, and the external transverse reinforcing rib (13) is connected with the floor;
the battery pack mounting plate (3) is riveted on one side face of the doorsill edge beam body (1), and a mounting point for mounting a battery pack is arranged on the battery pack mounting plate (3).
2. The new energy rocker sill assembly of claim 1 wherein: the inner part of the doorsill edge beam body (1) is provided with an inner longitudinal reinforcing rib (14) connecting the upper side surface and the lower side surface, and the doorsill edge beam body (1) is divided into a left part and a right part through the inner longitudinal reinforcing rib (14);
two internal transverse reinforcing ribs (15) are arranged in the left part of the threshold side beam body (1) at intervals, and the left part is divided into three hollow cavities (16);
three internal transverse reinforcing ribs (15) are arranged in the right part of the threshold side beam body (1) at intervals, and the right part is divided into four hollow cavities (16).
3. The new energy rocker sill assembly of claim 2 wherein: the three cavities (16) at the left part of the threshold side beam body (1) are sequentially arranged from top to bottom, the cross section of the cavity (16) at the top is triangular, and the cross sections of the other two cavities (16) are square.
4. The new energy rocker edge beam assembly of claim 2 or 3 wherein: four cavities (16) of the right part of the threshold side beam body (1) are sequentially arranged from top to bottom, and the cross sections of the four cavities (16) are in a square shape.
5. The new energy rocker edge beam assembly of claim 4 wherein: three tongue-shaped clips (21) and three plastic clips (22) are arranged on the expansion glue (2); the threshold side beam body (1) is provided with a round hole (11); and tongue-shaped clips (21) on the expansion glue (2) are embedded into the corresponding round holes (11) and are matched with the internal transverse reinforcing ribs (15) through plastic clips (22), so that the expansion glue (2) is fixed on the doorsill side beam body (1).
6. The new energy rocker assembly as set forth in claim 1, 2, 3, or 5, wherein: the cross section of battery package mounting panel (3) is the U-shaped, be equipped with on battery package mounting panel (3) and be used for installing battery package's pressure rivet nut (31).
7. The new energy rocker sill assembly of claim 6 wherein: the material thickness of the doorsill edge beam body (1), the inner transverse reinforcing rib (15), the inner longitudinal reinforcing rib (14), the outer transverse reinforcing rib (13) and the outer longitudinal reinforcing rib (12) is 2-4 mm.
8. The new energy rocker assembly as defined in claim 1, 2, 3, 5 or 7, wherein: the material thickness of the battery pack mounting plate (3) is 2-4.5 mm.
9. The new energy rocker sill assembly of claim 8 wherein: the doorsill edge beam body (1) and the battery pack mounting plate (3) are both made of aluminum alloy materials through an extrusion forming process.
10. A vehicle, characterized in that: the new energy rocker edge beam assembly of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221596537.5U CN217705959U (en) | 2022-06-24 | 2022-06-24 | New forms of energy doorsill boundary beam assembly and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221596537.5U CN217705959U (en) | 2022-06-24 | 2022-06-24 | New forms of energy doorsill boundary beam assembly and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217705959U true CN217705959U (en) | 2022-11-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221596537.5U Active CN217705959U (en) | 2022-06-24 | 2022-06-24 | New forms of energy doorsill boundary beam assembly and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217705959U (en) |
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2022
- 2022-06-24 CN CN202221596537.5U patent/CN217705959U/en active Active
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