CN217022691U - Automobile threshold assembly - Google Patents
Automobile threshold assembly Download PDFInfo
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- CN217022691U CN217022691U CN202121187381.0U CN202121187381U CN217022691U CN 217022691 U CN217022691 U CN 217022691U CN 202121187381 U CN202121187381 U CN 202121187381U CN 217022691 U CN217022691 U CN 217022691U
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- threshold
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- front floor
- reinforcing plate
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Abstract
The utility model discloses an automobile threshold assembly, which comprises a threshold outer plate, a threshold inner plate and a threshold reinforcing plate, wherein the threshold reinforcing plate is arranged between the threshold outer plate and the threshold inner plate; a front floor is arranged at the upper end of the threshold inner plate, and a battery pack mounting cross beam is connected between the threshold inner plate and the front floor; a first cavity is formed between the threshold outer plate and the threshold bolt plate, a second cavity is formed between the threshold reinforcing plate and the threshold inner plate, and a third cavity is formed between the threshold inner plate, the front floor and the battery pack mounting cross beam; according to the technical scheme, the three cavity structures are tightly connected, the volume of the second cavity in the middle is the largest, the volumes of the cavities on two sides are smaller, and the torsional rigidity at the threshold can be effectively improved by the cavity structure with the two sides smaller and the middle larger; the first cavity can absorb energy generated by light side collision, the second cavity can absorb energy generated by heavy side collision, and the third cavity can effectively support the middle of the second cavity, so that the overall strength of the whole three-cavity doorsill structure is improved.
Description
Technical Field
The utility model relates to the field of automobile parts, in particular to an automobile threshold assembly.
Background
The automobile threshold is an indispensable component of a vehicle body framework. When the vehicle runs on a bumpy road surface, the torsional rigidity of the threshold structure plays a crucial role in the performance of the overall torsional rigidity. Meanwhile, the structural strength of the automobile threshold plays a role in resisting external force and protecting assembly parts of a passenger compartment and a chassis when the automobile collides on the side surface.
The conventional scheme of the conventional automobile threshold structure mainly adopts the conventional fuel vehicle threshold structure, the chassis assembly weight of the fuel vehicle is much lighter than that of an electric vehicle and a range-extended vehicle, when the conventional automobile threshold structure is applied to a pure electric vehicle with a heavier chassis weight or a range-extended vehicle, the situation that the battery pack is extruded due to deformation of the threshold caused by insufficient side collision strength and the situation that the torsion performance of a white automobile body is not up to the standard caused by insufficient rigidity easily occurs, and safety accidents are easy to occur.
Therefore, to solve the above problems, there is a need for an automobile threshold assembly that solves the above problems.
SUMMERY OF THE UTILITY MODEL
In view of this, in the threshold assembly of the technical scheme, the three cavity structures are tightly connected, the volume of the second cavity in the middle is the largest, the volumes of the cavities on the two sides are smaller, and the torsional rigidity at the threshold can be effectively improved due to the cavity structure with the two small sides and the large middle; the first cavity can absorb energy generated by light side collision, the second cavity can absorb energy generated by heavy side collision, and the third cavity can effectively support the middle of the second cavity, so that the overall strength of the whole three-cavity threshold structure is improved, and a power battery pack on the inner side of the threshold assembly is protected from being extruded.
An automobile doorsill assembly comprises a doorsill outer plate, a doorsill inner plate and a doorsill reinforcing plate arranged between the doorsill outer plate and the doorsill inner plate; a front floor is arranged at the upper end of the inner doorsill plate, and a battery pack mounting cross beam is connected between the inner doorsill plate and the front floor; a first cavity is formed between the threshold outer plate and the threshold bolt plate, a second cavity is formed between the threshold reinforcing plate and the threshold inner plate, and a third cavity is formed between the threshold inner plate and the front floor as well as between the threshold inner plate and the battery pack mounting cross beam.
Further, the cross section of the outer plate of the threshold is integrally in a U-shaped structure along the longitudinal direction, the upper end of the outer plate of the threshold is bent to form an outer plate attaching portion, and the lower end of the outer plate of the threshold is bent to form a positioning bent portion.
Furthermore, the outer plate fitting part is bent to form an outer plate flanging used for fitting and mounting with the threshold reinforcing plate, and the bent flanging is bent along the longitudinal direction to form a lap joint positioning support lug.
Further, the cross section of the threshold reinforcing plate along the longitudinal direction is of a U-shaped structure, a bending part on the reinforcing plate for being attached to the outer plate flanging is arranged at the upper end of the threshold reinforcing plate, and a yielding opening matched with the lap joint positioning support lug for use is formed in the bending part on the reinforcing plate.
Furthermore, threshold reinforcing plate lower extreme inlays to be located in the kink, evenly seted up a plurality of reinforcing plate lightening holes along the transverse direction in the threshold reinforcing plate.
Furthermore, the whole threshold inner plate is of a U-shaped structure, and a plurality of inner plate reinforcing ribs are arranged at the upper end of the threshold inner plate.
Furthermore, the end part of the front floor is bent to form a front floor lap joint part which is positioned and installed with the inner plate of the threshold, and a front floor positioning groove which is matched and installed with the inner plate reinforcing rib is arranged on the front floor lap joint part.
Furthermore, the front floor is sunken downwards along the vertical direction to form a wire harness mounting sinking platform, and a plurality of bottom plate reinforcing ribs are arranged on the front floor.
Furthermore, the battery pack mounting cross beam is integrally of an L-shaped structure, one end of the battery pack mounting cross beam is attached to the inner plate of the doorsill, and the other end of the battery pack mounting cross beam is positioned and mounted on the lower end face of the front floor.
The beneficial effects of the utility model are: according to the threshold assembly in the technical scheme, three cavity structures are tightly connected, the volume of the second cavity in the middle is the largest, the volumes of the cavities on two sides are smaller, and the torsional rigidity at the threshold can be effectively improved by the cavity structure with two small sides and a large middle; the first cavity can absorb energy generated by light side collision, the second cavity can absorb energy generated by heavy side collision, and the third cavity can effectively support the middle of the second cavity, so that the overall strength of the whole three-cavity threshold structure is improved, and a power battery pack on the inner side of the threshold assembly is protected from being extruded.
Drawings
The utility model is further described below with reference to the following figures and examples:
FIG. 1 is a schematic view of the overall installation;
FIG. 2 is a schematic structural view of an outer panel of the rocker;
FIG. 3 is a schematic view of a sill stiffener structure;
FIG. 4 is a schematic view of a sill inner panel construction;
fig. 5 is a longitudinal cross section of the overall structure.
Detailed Description
FIG. 1 is a schematic view of the overall installation; FIG. 2 is a schematic structural view of an outer panel of the rocker; FIG. 3 is a schematic view of a sill stiffener structure; FIG. 4 is a schematic view of a sill inner panel construction; FIG. 5 is a longitudinal cross-section of the overall structure; as shown in the figure, the automobile threshold assembly comprises a threshold outer plate 1, a threshold inner plate 3 and a threshold reinforcing plate 2 arranged between the threshold outer plate 1 and the threshold inner plate 3; a front floor 5 is arranged at the upper end of the inner doorsill plate, and a battery pack mounting beam 4 is connected between the inner doorsill plate 3 and the front floor 5; a first cavity 6 is formed between the threshold outer plate and the threshold bolt plate, a second cavity 7 is formed between the threshold reinforcing plate and the threshold inner plate, and a third cavity 8 is formed between the threshold inner plate and the front floor as well as between the threshold inner plate and the battery pack mounting beam; according to the threshold assembly, the three cavity structures are tightly connected, the volume of the second cavity in the middle is the largest, the volumes of the cavities on two sides are smaller, and the torsional rigidity of the threshold can be effectively improved due to the cavity structure with the two small sides and the large middle; the first cavity can absorb energy generated by light side collision, the second cavity can absorb energy generated by heavy side collision, and the third cavity can effectively support the middle part of the second cavity, so that the overall strength of the whole three-cavity threshold structure is improved, and the power battery pack at the inner side of the threshold assembly is protected from being extruded.
In this embodiment, the cross section of the outer sill panel 1 is integrally formed in a "U" shape along the longitudinal direction (e.g., the longitudinal direction is the transverse direction in fig. 2, i.e., the direction perpendicular to the transverse direction), the upper end of the outer sill panel 1 is bent to form an outer panel joint portion, and the lower end of the outer sill panel is bent to form a positioning bent portion 14. The threshold outer plate 1 which is integrally in a U-shaped structure is convenient for forming an installation cavity, and the structural strength of the product is improved.
In this embodiment, the outer plate attaching portion is bent to form an outer plate flange 15 for attaching to the threshold reinforcing plate, and the bent flange 15 is bent in the longitudinal direction to form the lap joint positioning lug 11. Form planking turn-ups 15 after threshold planking upper end is buckled for with threshold reinforcing plate cooperation installation, planking turn-ups middle part bending type has overlap joint location journal stirrup 11, play the effect of quick location when the installation, improve the installation effectiveness, many planking strengthening rib 12 structures have evenly been arranged along the transverse direction on the threshold planking, promote the structural strength of its lower tip, lightening hole 13 has been seted up between planking strengthening rib 12, the lightweight technical requirement of being convenient for.
In this embodiment, the cross section of the threshold reinforcing plate 2 along the longitudinal direction is in a "U" shape, the upper end of the threshold reinforcing plate 2 is provided with a bending part on the reinforcing plate for fitting with the outer plate flange, and the bending part on the reinforcing plate is provided with a stepping notch 21 for matching with the lap joint positioning support lug. The threshold reinforcing plate 2 arranged at the middle part of the cavity plays a role in supporting and reinforcing the whole structure, the whole structure of the threshold reinforcing plate 2 is U-shaped, and the yielding notch 21 arranged at the upper end of the threshold reinforcing plate 2 is used for being matched with the lap joint positioning support lug 11 to play a role in quick positioning and installation.
In this embodiment, the lower end 22 of the threshold reinforcing plate is embedded in the positioning bending portion 14, and a plurality of reinforcing plate lightening holes are uniformly formed in the threshold reinforcing plate along the transverse direction. Also be equipped with many strengthening ribs 24 along length direction in the threshold reinforcing plate 2, promote the structural strength of reinforcing plate, also seted up a plurality of lightening holes 23 in its U type structure, realize lightweight requirement.
In this embodiment, the whole threshold inner plate 3 is in a U-shaped structure, and a plurality of inner plate reinforcing ribs 31 are arranged at the upper end of the threshold inner plate 3. The inner doorsill plate 3 is correspondingly designed into a U shape, so that an installation cavity is convenient to form, and the second cavity 7 is largest in size through the installation of the inner doorsill reinforcing plate 2 and the inner doorsill plate 3, so that the second cavity has a larger deformation space, an effective buffer area is formed, and the safety performance of a product is improved.
In this embodiment, the end of the front floor 5 is bent to form a front floor overlapping part 52 which is positioned and installed with the inner sill panel 3, and the front floor overlapping part 52 is provided with a front floor positioning groove which is matched and installed with the inner panel reinforcing rib 31. The 5 lock of front floor installs in 3 upper end of threshold inner panel, and the strengthening rib structure that sets up on the tip promotes the structural strength of product.
In this embodiment, the front floor 5 is recessed downward in the vertical direction (i.e., upward and downward in fig. 1) to form a harness installation sunken platform 51, and a plurality of bottom plate reinforcing ribs 53 are provided on the front floor 5. The sinking platform structure can be used for arranging floor wiring harnesses, and after the threshold decorative plate is assembled, the threshold cannot be higher than the floor, so that the man-machine comfort of vehicles entering and exiting is improved.
In this embodiment, the battery pack mounting beam 4 is integrally of an "L" shaped structure, one end of the battery pack mounting beam 4 is attached to the inner sill plate 3, and the other end of the battery pack mounting beam is positioned and mounted on the lower end face of the front floor 5. The battery package is installed inside the crossbeam, effectively forms the guard action, prevents that the battery package from receiving the impact.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (9)
1. An automobile threshold assembly which characterized in that: the doorsill reinforcing plate is arranged between the doorsill outer plate and the doorsill inner plate; a front floor is arranged at the upper end of the inner doorsill plate, and a battery pack mounting beam is connected between the inner doorsill plate and the front floor; a first cavity is formed between the threshold outer plate and the threshold bolt plate, a second cavity is formed between the threshold reinforcing plate and the threshold inner plate, and a third cavity is formed between the threshold inner plate and the front floor as well as between the threshold inner plate and the battery pack mounting cross beam.
2. An automotive rocker assembly as set forth in claim 1, wherein: the cross section of the outer plate of the threshold is integrally in a U-shaped structure along the longitudinal direction, the upper end of the outer plate of the threshold is bent to form an outer plate attaching portion, and the lower end of the outer plate of the threshold is bent to form a positioning bent portion.
3. An automotive rocker assembly as set forth in claim 2, wherein: the outer plate attaching portion is bent to form an outer plate flanging which is used for being attached to the doorsill reinforcing plate, and the bent flanging edge is bent along the longitudinal direction to form a lap joint positioning support lug.
4. An automotive rocker assembly as set forth in claim 3, wherein: the cross section of the threshold reinforcing plate along the longitudinal direction is of a U-shaped structure, a bending part on the reinforcing plate used for being attached to the outer plate flanging is arranged at the upper end of the threshold reinforcing plate, and a yielding opening matched with the lap joint positioning support lug for use is formed in the bending part on the reinforcing plate.
5. An automotive rocker assembly as set forth in claim 4, wherein: the lower end of the threshold reinforcing plate is embedded in the positioning bending part, and a plurality of reinforcing plate lightening holes are uniformly formed in the threshold reinforcing plate along the transverse direction.
6. An automotive rocker assembly as set forth in claim 5, wherein: the whole threshold inner panel is "U" style of calligraphy structure, threshold inner panel upper end is provided with many inner panel strengthening ribs.
7. An automotive rocker assembly as set forth in claim 6, wherein: the end part of the front floor is bent to form a front floor lap joint part which is positioned and installed with the inner plate of the threshold, and a front floor positioning groove which is matched and installed with the inner plate reinforcing rib is arranged on the front floor lap joint part.
8. An automobile rocker assembly as set forth in claim 7, wherein: the front floor is sunken downwards along the vertical direction to form a wire harness mounting sinking platform, and a plurality of bottom plate reinforcing ribs are arranged on the front floor.
9. An automotive rocker assembly as set forth in claim 8, wherein: the battery pack mounting cross beam is integrally of an L-shaped structure, one end of the battery pack mounting cross beam is attached to the inner plate of the doorsill, and the other end of the battery pack mounting cross beam is positioned and mounted on the lower end face of the front floor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121187381.0U CN217022691U (en) | 2021-05-31 | 2021-05-31 | Automobile threshold assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121187381.0U CN217022691U (en) | 2021-05-31 | 2021-05-31 | Automobile threshold assembly |
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| Publication Number | Publication Date |
|---|---|
| CN217022691U true CN217022691U (en) | 2022-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202121187381.0U Active CN217022691U (en) | 2021-05-31 | 2021-05-31 | Automobile threshold assembly |
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| CN (1) | CN217022691U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024040820A1 (en) * | 2022-08-23 | 2024-02-29 | 合众新能源汽车股份有限公司 | Vehicle sill structure |
-
2021
- 2021-05-31 CN CN202121187381.0U patent/CN217022691U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024040820A1 (en) * | 2022-08-23 | 2024-02-29 | 合众新能源汽车股份有限公司 | Vehicle sill structure |
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