CN220842698U - Front wall assembly and vehicle - Google Patents
Front wall assembly and vehicle Download PDFInfo
- Publication number
- CN220842698U CN220842698U CN202322438451.0U CN202322438451U CN220842698U CN 220842698 U CN220842698 U CN 220842698U CN 202322438451 U CN202322438451 U CN 202322438451U CN 220842698 U CN220842698 U CN 220842698U
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- front wall
- plate
- air chamber
- chamber outer
- reinforcement
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 78
- 230000002787 reinforcement Effects 0.000 claims abstract description 57
- 239000003351 stiffener Substances 0.000 claims description 28
- 238000003466 welding Methods 0.000 description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 239000000446 fuel Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Body Structure For Vehicles (AREA)
Abstract
The utility model provides a front wall assembly and a vehicle, wherein the front wall assembly comprises a front wall plate, an air chamber outer plate and a front wall frame, one end of the air chamber outer plate is connected with the front wall plate, the front wall frame comprises an air chamber outer plate reinforcing plate, a longitudinal reinforcing piece and a front wall cross beam, the air chamber outer plate reinforcing plate is arranged on the lower surface of the air chamber outer plate, and the front wall cross beam is arranged at one end, far away from the air chamber outer plate, of the front wall plate; the longitudinal reinforcement is connected between the air chamber outer panel reinforcement plate and the cowl cross member. According to the front wall assembly, the rigidity of the front wall plate is improved through the arrangement of the longitudinal reinforcing piece, and the NVH performance of the vehicle body is improved.
Description
Technical Field
The utility model relates to the technical field of automobile bodies, in particular to a front wall assembly and a vehicle.
Background
With the development of the automobile market, the updating iteration of various energy vehicle types is accelerated, and drivers and passengers are very concerned about NVH (Noise, vibration, harshness, namely noise, vibration and harshness) performance, control performance and collision safety performance of the vehicle whether the vehicle is a fuel vehicle or an electric vehicle. The dash panel assembly is a main isolation member of an engine compartment and a passenger compartment, is responsible for sound insulation, heat insulation and shock absorption of the passenger compartment, and needs to solve the installation requirements of a braking and accelerator acceleration system and an air conditioning system. The air chamber outer plate assembly is responsible for the diversion of rainwater, and a mounting point is required to be provided for a wiper system. When the design of the front wall and the air chamber outer plate assembly frame is unreasonable, quality problems such as abnormal sound, shaking and the like can occur more or less.
In the prior art, the upper part of the front wall of the electric vehicle and the lower part of the front wall of the fuel vehicle are not longitudinally connected, the rigidity of the front wall panel is poor, the brake pedal and the accelerator pedal are easy to shake, the outer plate of the air chamber has weaker performance, and the vibration transmission path suspended in the vehicle is weaker, so that the rigidity, strength, durability, NVH (noise and vibration noise) and other performances of the vehicle body are insufficient, and the front and rear rows of the passenger cabin can hear the bombing sound.
Disclosure of utility model
Aiming at the problem that the NVH performance of a vehicle body is insufficient due to low structural strength of the existing front wall frame, the utility model provides a front wall assembly and a vehicle.
In one aspect, the utility model provides a front wall assembly comprising a front wall plate, an air chamber outer plate and a front wall frame, wherein one end of the air chamber outer plate is connected with the front wall plate, the front wall frame comprises an air chamber outer plate reinforcing plate, a longitudinal reinforcing piece and a front wall beam, the air chamber outer plate reinforcing plate is arranged on the lower surface of the air chamber outer plate, and the front wall beam is arranged at one end, far away from the air chamber outer plate, of the front wall plate; the longitudinal reinforcement is connected between the air chamber outer panel reinforcement plate and the cowl cross member.
Optionally, the longitudinal stiffener includes a first stiffener, a second stiffener, and a third stiffener, the second stiffener being connected between the first stiffener and the third stiffener, the air chamber outer plate and the air chamber outer plate stiffener being connected with the first stiffener respectively; the second reinforcement part is connected with the surface of the front surrounding plate; the third reinforcing part is connected with the front wall cross beam.
Optionally, the first reinforcing part is followed second reinforcing part one end is to keeping away from the direction of dash board is bent, first reinforcing part with be provided with first cavity between the air chamber planking, the second reinforcing part with be provided with the second cavity between the dash board, first cavity with the second cavity intercommunication forms first support cavity.
Optionally, the first reinforcing part include first reinforcing plate and set up in first overlap edge of first reinforcing plate both sides, first overlap edge from the edge of first reinforcing plate to the direction of air chamber planking is bent, first overlap edge respectively with the air chamber planking reinforcing plate is connected, first reinforcing plate first overlap edge with enclose between the air chamber planking and establish formation first cavity.
Optionally, the second reinforcing part includes a second reinforcing plate, a third reinforcing plate and second joint edges arranged at two sides of the second reinforcing plate, the second joint edges are bent from edges of the second reinforcing plate to the direction of the front wall plate and are connected with the front wall plate, and the second cavity is formed by surrounding the second reinforcing plate, the second joint edges and the front wall plate; the third reinforcing plate is connected between the second reinforcing plate and the third reinforcing part.
Optionally, a second supporting cavity is arranged between the third reinforcement part and the front wall cross beam.
Optionally, the third reinforcing part includes the fourth reinforcing plate and set up in the third overlap edge at fourth reinforcing plate edge, the third overlap edge is followed the edge of fourth reinforcing plate to enclose the direction of crossbeam before the crossbeam is bent, the third overlap edge with enclose the crossbeam before being connected, the third overlap edge fourth reinforcing plate with enclose before enclose between the crossbeam and establish and form the second support cavity.
Optionally, the air chamber outer plate reinforcing plate comprises a first folded edge and a second folded edge, wherein the first folded edge is connected between the lower surface of the air chamber outer plate and the longitudinal reinforcing piece, the second folded edge is connected with the first folded edge, the second folded edge is connected with the front end part of the air chamber outer plate, and a third supporting cavity is arranged between the first folded edge, the second folded edge and the air chamber outer plate.
Optionally, the front wall assembly further includes a first wiper bracket and a second wiper bracket, where the first wiper bracket and the second wiper bracket are respectively disposed on a surface of the air chamber outer plate, which faces away from the air chamber outer plate reinforcing plate.
In another aspect, the utility model further provides a vehicle, including the front wall assembly according to any one of the above.
In the utility model, the longitudinal reinforcement is connected between the air chamber outer plate reinforcing plate and the front wall beam to form an I-shaped front wall frame, the longitudinal connection between the air chamber outer plate and the front wall beam is increased, and the rigidity of the front wall plate is improved, so that the rigidity of a brake pedal/accelerator pedal arranged on the front wall plate is improved. Through setting up air chamber planking reinforcing plate and vertical reinforcement, support the air chamber planking, optimize the suspension to the interior vibration transmission route of car, effectively reduce the engine vibration and radiate in the car, promote passenger cabin NVH performance.
Drawings
FIG. 1 is a schematic view of a front wall assembly according to an embodiment of the present utility model;
FIG. 2 is a front view of a front frame of a front assembly according to one embodiment of the present utility model;
FIG. 3 is a schematic view of a front frame of a front assembly according to an embodiment of the present utility model;
FIG. 4 is a schematic view of another angle of a front frame of a front assembly according to an embodiment of the present utility model;
FIG. 5 is a schematic cross-sectional view taken in the direction A-A of FIG. 2;
fig. 6 is a schematic view illustrating another angle structure of a front wall assembly according to an embodiment of the present utility model.
Reference numerals in the drawings of the specification are as follows:
1. a dash panel;
2. An air chamber outer plate;
3. an air chamber outer plate reinforcing plate; 31. a first hem; 32. a second flanging;
4. A longitudinal stiffener; 41. a first reinforcing part; 411. a first reinforcing plate; 412. a first overlap edge; 42. a second reinforcing part; 421. a second reinforcing plate; 422. a third reinforcing plate; 423. a second overlap edge; 43. a third reinforcing part; 431. a fourth reinforcing plate; 432. a third overlap edge; 44. a first support cavity; 45. a second support cavity; 46. a third support cavity;
5. A front rail; 6. a first wiper holder; 7. and a second wiper bracket.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
In order to illustrate the technical scheme of the utility model, the following description is made by specific examples.
In one aspect, as shown in fig. 1 to 6, a front wall assembly according to an embodiment of the present utility model includes a front wall panel 1, an air chamber outer panel 2, and a front wall frame, one end of the air chamber outer panel 2 is connected to the front wall panel 1, the front wall frame includes an air chamber outer panel reinforcement plate 3, a longitudinal reinforcement 4, and a front wall cross member 5, the air chamber outer panel reinforcement plate 3 is disposed on a lower surface of the air chamber outer panel 2, and the front wall cross member 5 is disposed on an end of the front wall panel 1 remote from the air chamber outer panel 2. The longitudinal reinforcement 4 is connected between the air chamber outer panel reinforcement plate 3 and the cowl cross 5.
In the embodiment of the utility model, the longitudinal reinforcement 4 is connected between the air chamber outer plate reinforcement plate 3 and the front wall cross beam 5 to form an I-shaped front wall frame, the longitudinal connection between the air chamber outer plate 2 and the front wall cross beam 5 is increased, and the rigidity of the front wall plate 1 is improved, so that the rigidity of a brake pedal/accelerator pedal arranged on the front wall plate 1 is improved. Through setting up air chamber planking reinforcing plate 3 and vertical reinforcement 4, support air chamber planking 2, optimize the suspension and to the interior vibration transmission route of car, effectively reduce the engine vibration and radiate in the car, improve passenger cabin NVH performance.
As shown in fig. 3 and 4, in some embodiments of the present utility model, the longitudinal stiffener 4 includes a first stiffener 41, a second stiffener 42, and a third stiffener 43, the second stiffener 42 being connected between the first stiffener 41 and the third stiffener 43, the air chamber outer plate 2 and the air chamber outer plate 2 stiffener being connected with the first stiffener 41, respectively. The second reinforcement portion 42 is connected to the surface of the dash panel 1. The third reinforcement 43 is connected to the cowl cross member 5. The rigidity of the dash panel 1 is improved by providing the longitudinal reinforcement 4 to increase the longitudinal connection between the air chamber outer panel 2 and the dash cross-member 5. Specifically, the longitudinal reinforcement 4 may be integrally formed or may be welded separately.
As shown in fig. 4 and 5, in some embodiments of the present utility model, the first reinforcement portion 41 is bent from one end of the second reinforcement portion 42 in a direction away from the dash panel 1, a first cavity is provided between the first reinforcement portion 41 and the air chamber outer panel 2, a second cavity is provided between the second reinforcement portion 42 and the dash panel 1, and the first cavity and the second cavity are communicated to form a first supporting cavity 44. The first reinforcement 41 is bent from one end of the second reinforcement 42 in the direction of the dash panel 1 so that the first support chamber 44 is of a diagonal bracing structure, connecting the air chamber outer panel 2 and the dash panel 1, and improving the rigidity of the dash panel 1, thereby improving the rigidity of the brake pedal/accelerator pedal mounted on the dash panel 1.
As shown in fig. 1, 3 and 5, in some embodiments of the present utility model, the first reinforcement 41 includes a first reinforcement plate 411 and first overlap edges 412 disposed on both sides of the first reinforcement plate 411, the first overlap edges 412 are bent from edges of the first reinforcement plate 411 toward the air chamber outer plate 2, the first overlap edges 412 are respectively connected with the air chamber outer plate 2 and the air chamber outer plate reinforcement plate 3, and specifically, the first overlap edges 412 extend from the air chamber outer plate 2 to below the air chamber outer plate reinforcement plate 3 and are connected with the air chamber outer plate reinforcement plate 3. The first reinforcing plate 411, the first joint edge 412 and the air chamber outer plate 2 enclose the first cavity therebetween. Specifically, the first joint edge 412 is spot welded to the air chamber outer panel 2 and the air chamber outer panel reinforcing panel 3, and the part locally restricted by the welding gun or the space is connected by carbon dioxide arc welding.
As shown in fig. 1, 3 and 5, in some embodiments of the present utility model, the second reinforcement portion 42 includes a second reinforcement plate 421, a third reinforcement plate 422, and second bridging edges 423 disposed on two sides of the second reinforcement plate 421, where the second bridging edges 423 are bent from edges of the second reinforcement plate 421 toward the direction of the dash panel 1 and are connected to the dash panel 1, and the second cavity is defined between the second reinforcement plate 421, the second bridging edges 423, and the dash panel 1. The third reinforcing plate 422 is connected between the second reinforcing plate 421 and the third reinforcing portion 43, and mounting holes for mounting the booster are provided in both the dash panel 1 and the third reinforcing plate 422. Specifically, the second overlap 423 is spot welded to the dash panel 1, and the part locally restricted by the welding gun or the space is connected by carbon dioxide arc welding. The third reinforcing plate 422 is arranged to reinforce the booster mounting surface area, so that the mounting surface rigidity is improved, and the chassis braking system stability is improved.
As shown in fig. 1 and fig. 5, in some embodiments of the present utility model, a second supporting cavity 45 is disposed between the third reinforcement portion 43 and the front wall beam 5, specifically, the second supporting cavity 45 is disposed on one side of the steering column, and by disposing the second supporting cavity 45, the disadvantage that the front wall beam 5 has no cavity in the steering column region is compensated, the integrity of the cavity of the front wall beam 5 is improved, and the performance of the front wall beam 5 is improved, so as to improve the lateral performance of the front wall assembly. Specifically, the second support cavity 45 has a triangular or other shape in cross-section.
As shown in fig. 1, 3 and 5, in some embodiments of the present utility model, the third reinforcing portion 43 includes a fourth reinforcing plate 431 and a third overlap edge 432 disposed at an edge of the fourth reinforcing plate 431, the third overlap edge 432 is bent from the edge of the fourth reinforcing plate 431 toward the front beam 5, the third overlap edge 432 is connected to the front beam 5, and the second supporting cavity 45 is defined between the third overlap edge 432, the fourth reinforcing plate 431 and the front beam 5. Specifically, the third lap 432 is connected to the front cross member 5 by spot welding, and the part locally constrained by the welding gun or space is connected by carbon dioxide arc welding.
As shown in fig. 1, 3 and 5, in some embodiments of the present utility model, the air chamber outer panel reinforcement plate 3 includes a first flange 31 and a second flange 32, the first flange 31 is connected between the lower surface of the air chamber outer panel 2 and the longitudinal reinforcement 4, the second flange 32 is connected to the first flange 31, and the second flange 32 is connected to the front end portion of the air chamber outer panel 2, and a third support cavity 46 is provided between the first flange 31, the second flange 32 and the air chamber outer panel 2. The first supporting cavity 44 and the third supporting cavity 46 cooperate to form a T-shaped cavity supporting structure, so that powerful support is provided for the air chamber outer plate 2, meanwhile, the vibration transmission path from the suspension to the inside of the vehicle is optimized, the radiation of engine vibration to the inside of the vehicle is effectively reduced, and the NVH performance is improved. In particular, the partial mode of the dash panel 1 may be raised by 17Hz.
As shown in fig. 6, in some embodiments of the present utility model, the front wall assembly further includes a first wiper bracket 6 and a second wiper bracket 7, and the first wiper bracket 6 and the second wiper bracket 7 are respectively disposed on a side of the air chamber outer plate 2 facing away from the air chamber outer plate reinforcing plate 3. By providing the front wall frame, the first supporting cavity 44 and the third supporting cavity 46 are formed between the front wall frame and the air chamber outer plate 2 and the front wall plate 1, and the static/dynamic rigidity of the mounting points of the first wiper support 6 and the second wiper support 7 is improved, so that the running stability of the wiper is ensured.
In another aspect, an embodiment of the present disclosure provides a vehicle including a front wall assembly according to any one of the embodiments above.
The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting. Although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some of the technical features thereof can be replaced by equivalents. Such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model, and are intended to be included in the scope of the present utility model.
Claims (10)
1. The front wall assembly is characterized by comprising a front wall plate, an air chamber outer plate and a front wall frame, wherein one end of the air chamber outer plate is connected with the front wall plate, the front wall frame comprises an air chamber outer plate reinforcing plate, a longitudinal reinforcing piece and a front wall beam, the air chamber outer plate reinforcing plate is arranged on the lower surface of the air chamber outer plate, and the front wall beam is arranged at one end, far away from the air chamber outer plate, of the front wall plate; the longitudinal reinforcement is connected between the air chamber outer panel reinforcement plate and the cowl cross member.
2. The cowl assembly of claim 1 wherein the longitudinal stiffener includes a first stiffener, a second stiffener, and a third stiffener, the second stiffener being connected between the first stiffener and the third stiffener, the air chamber outer panel and the air chamber outer panel stiffener being connected to the first stiffener, respectively; the second reinforcement part is connected with the surface of the front surrounding plate; the third reinforcing part is connected with the front wall cross beam.
3. The cowl assembly of claim 2 wherein the first reinforcement is bent from one end of the second reinforcement in a direction away from the dash panel, a first cavity is disposed between the first reinforcement and the air chamber outer panel, a second cavity is disposed between the second reinforcement and the dash panel, and the first cavity is in communication with the second cavity to form a first support cavity.
4. The cowl assembly of claim 3 wherein the first reinforcement includes a first reinforcement panel and first overlap edges disposed on both sides of the first reinforcement panel, the first overlap edges being bent from edges of the first reinforcement panel toward the air plenum outer panel, the first overlap edges being respectively connected to the air plenum outer panel and the air plenum outer panel reinforcement panel, the first overlap edges, and the air plenum outer panel defining therebetween the first cavity.
5. The front wall assembly according to claim 3, wherein the second reinforcing part comprises a second reinforcing plate, a third reinforcing plate and second joint edges arranged on two sides of the second reinforcing plate, the second joint edges are bent from edges of the second reinforcing plate to the direction of the front wall plate and are connected with the front wall plate, and the second cavity is formed by surrounding the second reinforcing plate, the second joint edges and the front wall plate; the third reinforcing plate is connected between the second reinforcing plate and the third reinforcing part.
6. The front wall assembly of claim 2, wherein a second support cavity is provided between the third reinforcement and the front wall cross member.
7. The front wall assembly of claim 6, wherein the third reinforcing portion comprises a fourth reinforcing plate and a third joint edge arranged at the edge of the fourth reinforcing plate, the third joint edge is bent from the edge of the fourth reinforcing plate to the direction of the front wall cross beam, the third joint edge is connected with the front wall cross beam, and the second supporting cavity is formed by surrounding the third joint edge, the fourth reinforcing plate and the front wall cross beam.
8. The cowl assembly of claim 1 wherein the air chamber outer panel reinforcement panel includes a first flange and a second flange, the first flange being connected between the air chamber outer panel lower surface and the longitudinal reinforcement, the second flange being connected with the first flange and the second flange being connected with a front end portion of the air chamber outer panel, a third support cavity being provided between the first flange, the second flange, and the air chamber outer panel.
9. The front wall assembly of claim 1, further comprising a first wiper bracket and a second wiper bracket, the first wiper bracket and the second wiper bracket being disposed respectively in a face of the air chamber outer plate facing away from the air chamber outer plate reinforcing plate.
10. A vehicle comprising a front wall assembly according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322438451.0U CN220842698U (en) | 2023-09-08 | 2023-09-08 | Front wall assembly and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322438451.0U CN220842698U (en) | 2023-09-08 | 2023-09-08 | Front wall assembly and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220842698U true CN220842698U (en) | 2024-04-26 |
Family
ID=90740203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322438451.0U Active CN220842698U (en) | 2023-09-08 | 2023-09-08 | Front wall assembly and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220842698U (en) |
-
2023
- 2023-09-08 CN CN202322438451.0U patent/CN220842698U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |