CN113928259B

CN113928259B - Vehicle collision buffer device and vehicle

Info

Publication number: CN113928259B
Application number: CN202111018332.9A
Authority: CN
Inventors: 唐巍; 周剑; 李金伟; 申炎武; 龚洁; 芦连; 王淼; 王鹏翔
Original assignee: Zhejiang Geely Holding Group Co Ltd; Zhejiang Liankong Technologies Co Ltd
Current assignee: Zhejiang Geely Holding Group Co Ltd; Zhejiang Liankong Technologies Co Ltd
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2023-06-06
Anticipated expiration: 2041-09-01
Also published as: CN113928259A

Abstract

The application discloses a vehicle collision buffer device and a vehicle, wherein the vehicle collision buffer device comprises an instrument board device, a windshield and a center console, and the instrument board device is arranged on the center console; a cover plate component is arranged between one end of the windshield close to the center console and the instrument panel device; the first end of the cover plate assembly is abutted with one end of the windshield close to the center console, and the second end of the cover plate assembly is detachably connected with the instrument panel device, wherein the first end and the second end are oppositely arranged; the cover plate component is covered on the defrosting air duct; the method comprises the steps that the cover plate assembly is arranged on one side close to the windshield, and the instrument panel device is arranged on one side, far away from the windshield, of the cover plate assembly; the windshield side pedestrian head impact area is the area where the cover plate component is located, the impact part is weakened by the design, the accumulation of the multilayer structure is avoided, the crushing energy absorption space is increased, and the damage to the pedestrian head impact is effectively reduced.

Description

Vehicle collision buffer device and vehicle

Technical Field

The application relates to the technical field of vehicle instrument board structures, in particular to a vehicle collision buffer device and a vehicle.

Background

According to the statistical data of CIDAS, among 5364 traffic accidents in China from 1 month in 2011 to 12 months in 2018, two-wheel vehicle/three-wheel vehicle accidents account for 56% of the total accident quantity; pedestrian two-wheeled vehicle accidents and deaths account for nearly 80% especially in china and many developing countries; in a pedestrian collision accident, head injury is the first life injury part, and the head injury accounts for more than 50 percent; there is a need to enhance and improve the protection of road vulnerable groups and pedestrians, both from a humanitarian point of view and from a legal or commercial insurance point of view.

The Chinese pedestrian protection enforcement rule GB24550 is established and implemented in 2024, 1 month and 1 day, and the new "front windshield test area" is mainly used for protecting the heads of pedestrians in adult/two-wheel vehicle/three-wheel vehicle accidents. Increasing the test area of the pedestrian's head from WAD2100 and WAD2300 to WAD2500 in versions 2021C-NCAP and 2023 Euro NCAP, respectively, is also a consideration for head protection of two-wheel/three-wheel pedestrians.

The fascia area is a general impact area for injury to the head of an adult/bicycle/tricycle pedestrian. The instrument board assembly comprises multiple structures such as instrument board body, instrument board skeleton and wind channel, and on the one hand the structure is complicated, and rigidity is great, and difficult deformation collapses, and on the other hand the structure is piled up, and the crushing space is not enough, causes the head injury great, also is the important reason that is difficult for obtaining five stars achievement in the NCAP evaluation that causes.

The prior art is often to carry out trompil, fluting, the weakening of the rigidity of instrument board is realized to means such as attenuate material thickness to body and skeleton of instrument board, and the degree of weakening is lower, and its injury that leads to the fact pedestrian's head striking often only has the effect of alleviating, and the effect is not good.

Disclosure of Invention

In order to solve the technical problems, the vehicle collision buffer device disclosed by the application is characterized in that the cover plate assembly is arranged on one side close to the windshield, and the instrument panel device is arranged on one side, far away from the windshield, of the cover plate assembly; the windshield side pedestrian head impact area is the area where the cover plate component is located, the impact part is weakened by the design, meanwhile, the accumulation of the multilayer structure is avoided, the crushing energy absorption space is increased, and the damage to the pedestrian head impact is effectively reduced.

In order to achieve the above object, the present application provides a vehicle collision buffer device including an instrument panel device, a windshield, and a center console, the instrument panel device being provided on the center console;

a cover plate component is arranged between one end of the windshield close to the center console and the instrument panel device;

the first end of the cover plate assembly is abutted with one end of the windshield close to the center console, and the second end of the cover plate assembly is detachably connected with the instrument panel device, wherein the first end and the second end are oppositely arranged;

the cover plate component is covered on the defrosting air duct.

In one embodiment, a limiting piece is arranged on the center console, one end of the limiting piece is fixed on the center console, and the other end of the limiting piece is used for fixedly limiting the cover plate assembly;

the center console is provided with a cavity with an opening at the top, and the defrosting air duct and the instrument board device are arranged in the cavity;

the cover plate assembly is covered on the defrosting air duct, and the second end of the cover plate assembly is connected with the upper surface of the instrument board device in a clamping way;

the upper surfaces of the cover plate component and the instrument panel device are used as top opening caps of the cavity;

and the cover plate component is provided with a ventilation opening, and the ventilation opening is used for ventilating the defrosting air duct.

In one embodiment, the cover plate assembly comprises a cover plate, a connecting piece and a clamping piece, wherein at least one cover plate is arranged;

one end of the connecting piece is connected with the cover plate, and the other end of the connecting piece is detachably and fixedly connected with the limiting piece on the center console;

one end of the clamping piece is fixedly connected with the cover plate, and the other end of the clamping piece is connected with the instrument board device in a clamping way;

the vent is arranged on the cover plate.

In one embodiment, the cover assembly further comprises a grille fixedly disposed within the vent;

the grille is used for adjusting the wind direction of wind in the ventilation opening.

In one embodiment, the cover plate is provided with two;

the two cover plates are arranged in the vertical direction and are fixedly connected;

the two cover plates are respectively provided with a vent, and the two vents are arranged in a penetrating way;

the grids are fixedly arranged in the two ventilation openings which are arranged in a penetrating mode.

In one embodiment, two cover plates are arranged in contact, and the two cover plates are welded together.

In one embodiment, a gap is arranged between the two cover plates along the vertical direction;

the two cover plates are fixedly connected through a connecting rod;

the connecting rod is arranged on the frame of the cover plate.

In one embodiment, the connecting piece is a bracket, and the limiting piece is a sheet metal bracket;

the bracket is detachably connected with the sheet metal bracket;

the clamping piece is a buckle, and the instrument board device is provided with a clamping groove which is connected with the buckle in a clamping way.

In one embodiment, the cover plate component is made of elastic material or polypropylene material.

The application also describes a vehicle comprising a vehicle crash cushion as described above.

The embodiment of the invention has the following beneficial effects:

the invention discloses a vehicle collision buffer device, which is characterized in that a cover plate assembly is arranged on one side close to a windshield, and an instrument panel device is arranged on one side, far away from the windshield, of the cover plate assembly; the windshield side pedestrian head impact area is the area where the cover plate assembly is located, the impact part is weakened by the design, meanwhile, stacking of the multilayer structure is avoided, the crushing energy absorption space is increased, injuries caused by head impact of pedestrians are effectively reduced, and the safety of the vehicle collision buffer device is improved.

Drawings

In order to more clearly illustrate the technical solutions and advantages of embodiments of the present application or of the prior art, the following description will briefly introduce the drawings that are required to be used in the embodiments or the prior art descriptions, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic cross-sectional structure of a vehicle crash cushion apparatus according to an embodiment of the present application;

fig. 2 is a schematic structural diagram of a cover plate assembly according to an embodiment of the present disclosure;

FIG. 3 is a schematic diagram illustrating an assembly structure of a cover assembly and an instrument panel device according to an embodiment of the present disclosure;

FIG. 4 is a schematic structural view of a pedestrian head impact front body cover assembly provided in an embodiment of the present application;

FIG. 5 is a schematic view of a vehicle body cover assembly during a pedestrian head impact according to an embodiment of the present disclosure;

wherein, the reference numerals in the figures correspond to: 1-instrument panel device, 2-windshield, 3-center console, 4-defrosting air duct, 5-cover plate component, 501-cover plate, 502-vent, 503-connecting piece, 504-clamping piece, 505-grille, 506-first end, 507-second end, 6-limiting piece.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present application more apparent, the present application will be described in further detail with reference to the accompanying drawings.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. The terms "comprising" and "having," as well as any variations thereof, are intended to cover a non-exclusive inclusion. In different embodiment variants, identical components have identical reference numerals.

Example 1

As shown in fig. 1 to 3, the present application provides a vehicle collision buffer device, which includes an instrument panel device 1, a windshield 2, and a center console 3, the instrument panel device 1 being disposed on the center console 3;

a cover plate component 5 is arranged between one end of the windshield 2, which is close to the center console 3, and the instrument panel device 1;

in the embodiment of the present disclosure, the end of the windshield 2 near the center console 3, that is, the end of the windshield 2 near the lower beam of the front windshield frame;

the first end 506 of the cover plate assembly 5 is abutted against one end of the windshield 2 close to the center console 3, and the second end 507 of the cover plate assembly 5 is detachably connected with the instrument panel device 1, wherein the first end 506 and the second end 507 are oppositely arranged; this design can increase the buffer space between the instrument panel device 1 and the windshield 2, as indicated by the distance "D" in fig. 1;

the specification and the shape of the cover plate component 5 are basically consistent with those of the upper surface of the center console 3; both the upper surface of the cover plate assembly 5 near the windshield 2 and the upper surface of the instrument panel device 1 near the windshield 2 may be used as a part of the upper surface of the center console 3.

The cover plate assembly 5 is arranged on the defrosting air duct 4 in a covering manner;

specifically, the defrosting air duct 4 is disposed on a side of the cover plate assembly 5 away from the windshield 2; the instrument panel device 1 is arranged on the side of the cover plate assembly 5 far away from the windshield 2 by arranging the cover plate assembly 5 on the side close to the windshield 2; the utility model discloses a windshield 2 side pedestrian's head impact area is the apron subassembly 5 place region, and this kind of design can avoid striking rigidity and mild higher instrument board device for the degree of weakening of striking department is high, has avoided multilayer structure's piling up simultaneously, has increased the crushing energy-absorbing space, effectively reduces the injury that leads to the fact pedestrian's head striking, improves vehicle collision buffer's security.

In the present embodiment, the cushion assembly in the vehicle crash cushion apparatus mainly includes the dash panel apparatus 1 and the cover assembly 5.

As shown in fig. 1, the area 1 may be a pedestrian head collision area when a pedestrian collides with a vehicle;

through setting up the apron on the well accuse platform 3 between instrument board device 1 and preceding wind window frame bottom end rail for pedestrian's head impact area is apron subassembly 5 place region, avoids pedestrian's head direct impact rigidity and the higher instrument board device of light, and in this region, the intensity and the rigidity based on apron subassembly 5 that set up are all weaker, can show the injury that reduces pedestrian's head.

Region 1 may be a region where the head of a pedestrian may collide when the pedestrian hits the vehicle; the arrangement mode of the device enables the pedestrian head collision area to be mainly in the area 1, if the pedestrian head collision area is in the area 2, the device 1 is arranged in the direction away from the lower cross beam of the front windshield frame based on the device, so that the buffer space between the upper surface of the device 1 and the windshield 2 is obviously improved; therefore, even when the pedestrian head collides in the region 2, the pedestrian head can be effectively prevented from directly striking the instrument panel apparatus 1.

In the embodiment of the present disclosure, the cover plate assembly 5 is only used for decoration and covering, and the cover plate assembly 5 may be made of an elastic material or a polypropylene material, so that the cover plate assembly 5 has a light weight and can play a good role in weakening;

in the present embodiment, the cover plate assembly 5 may be a flat plate structure.

In the embodiment of the present disclosure, the center console 3 is provided with a limiting member 6, one end of the limiting member 6 is fixed on the center console 3, and the other end is used for fixedly limiting the cover plate assembly 5;

preferably, the limiting piece 6 can be a sheet metal bracket; the limiting part 6 is mainly used for positioning, so that a sheet metal with low strength and small thickness can be selected, and the structural strength of the limiting part 6 can be weakened by the design, so that the limiting part 6 is easy to crush.

Specifically, the center console 3 is provided with a cavity with an opening at the top, and the defrosting air duct 4 and the instrument panel device 1 are both arranged in the cavity;

the cover plate assembly 5 is arranged on the defrosting air duct 4 in a covering manner, and the second end 507 of the cover plate assembly 5 is connected with the upper surface of the instrument panel device 1 in a clamping manner;

the second end 507 of the cover plate assembly 5 is one end far away from the lower beam of the front windshield frame.

The upper surfaces of the cover plate assembly 5 and the instrument panel device 1 serve as top opening caps of the cavity;

the cover plate assembly 5 is provided with a ventilation opening 502, and the ventilation opening 502 is used for ventilating the defrosting air duct 4.

In the embodiment of the present disclosure, as shown in fig. 2, the cover assembly 5 includes a cover 501, a connecting member 503, and a clamping member 504, where at least one cover 501 is provided;

preferably, the cover plate 501 may be provided with one, i.e. only one, cover plate 501 up the defrost duct 4.

One end of the connecting piece 503 is connected with the cover plate 501, and the other end is detachably and fixedly connected with the limiting piece 6 on the center console 3;

specifically, the connecting members 503 may be brackets, the number of the connecting members 503 corresponds to the number of the limiting members 6 one by one,

specifically, the connection member 503 may be detachably connected to the cover plate or fixedly connected thereto.

Preferably, the connection member 503 may be disposed at one end of the cover plate 501 near the lower beam of the front windshield frame;

preferably, two connecting pieces 503 are provided, and the connecting pieces 503 may be made of polypropylene.

One end of the clamping piece 504 is fixedly connected with the cover plate 501, and the other end is in clamping connection with the instrument panel device 1;

specifically, the clamping member 504 is disposed at one end of the cover plate 501 near the instrument panel device 1; the clamping pieces are provided with a plurality of clamping pieces;

preferably, the clamping piece 504 may be a buckle, and a clamping groove in clamping connection with the buckle is provided on the instrument panel device 1; preferably, the buckle is provided with a plurality of buckles.

The vent 502 is disposed on the cover plate 501.

Specifically, the vent 502 is disposed along the central axis of the cover plate 501, and the vent 502 is located above the defrosting air duct 4.

In the embodiment of the present disclosure, as shown in fig. 2, the cover assembly 5 further includes a grille 505, and the grille 505 is fixedly disposed in the ventilation opening 502;

specifically, the grille 505 is fixedly connected to the cover plate 501.

The grille 505 is used to adjust the direction of the wind within the vent 502.

Specifically, the direction of the air outlet on the grille 505 is adjusted to adjust the air outlet direction of the air vent 502.

In the present embodiment, preferably, the connection member 503 is disposed on the grill 505; the connecting piece 503 is connected with the grid 505 in a clamping way.

In the embodiment of the present disclosure, the cover plate 501 may be provided with two;

the two cover plates 501 are arranged along the vertical direction, and the two cover plates 501 are fixedly connected;

the two cover plates 501 are respectively provided with a vent 502, and the two vents 502 are arranged in a penetrating way;

the grille 505 is fixedly arranged in two ventilation openings 502 which are arranged in a penetrating manner.

Preferably, the grill 505 may be disposed on the upper cover 501 or the vent 502 of the lower cover 501; the ventilation opening 502 penetrating the upper and lower cover plates 501 may be fixedly connected with the upper and lower cover plates.

Specifically, in the embodiment of the present disclosure, two cover plates 501 are disposed in contact, and the two cover plates 501 are connected by welding;

specifically, considering that the collision position of the head of the pedestrian is in the full hundred positions of 100mm, 200mm, 300mm … and the like in the Y direction of the center console in the new car collision test (NCAP), the welding area is prevented from being arranged in the full hundred positions, and the direct collision of the head of the pedestrian is prevented.

In another embodiment of the present disclosure, a gap is provided between the two cover plates 501 in the vertical direction; this design may further increase the crush energy absorbing effect of the cover assembly 5.

The two cover plates 501 are fixedly connected through a connecting rod;

the connecting rod is arranged on the frame of the cover plate 501;

preferably, the connection bars may be provided at four vertex angle positions of the cover plate.

In this embodiment of the present disclosure, when the vehicle crash cushion device disclosed in the present application is assembled, after the defrosting air duct 4 and the instrument panel device 1 are set in the cavity with the top opening, the first end of the cover plate assembly 5 is obliquely inserted into the limiting hole of the limiting piece 6 to be positioned by obliquely downward, and then the cover plate 501 is pressed downward to be close to one end of the instrument panel device 1, so that the clamping piece 504 is connected with the mating piece on the instrument panel device 1 in a clamping manner, and the assembly can be completed.

The vehicle collision buffer device disclosed by the application can generate great deformation due to low strength of the cover plate assembly 5, meanwhile, the head of a pedestrian avoids the instrument panel device 1 with high collision strength, so that sufficient invasion space is obtained, and head injury is effectively reduced; according to simulation analysis, as shown in the schematic structural diagrams of the pre-impact and post-impact vehicle body cover plate assemblies of the heads of pedestrians shown in fig. 4 and 5, compared with the vehicle collision buffer device with the traditional structure, the vehicle collision buffer device designed by the application can reduce the head injury index by one level.

Example 2

The application also provides a vehicle, comprising the vehicle collision buffer device.

The foregoing disclosure is merely illustrative of a preferred embodiment of the present application and is not intended to limit the scope of the claims herein, as equivalent changes may be made in the claims herein without departing from the scope of the claims herein.

Claims

1. A vehicle crash cushion apparatus characterized in that: the automobile instrument panel comprises an instrument panel device (1), a windshield (2), a cover plate assembly (5) and a center console (3), wherein the instrument panel device (1) is arranged on the center console (3);

the cover plate assembly (5) is arranged on the center console (3) between the instrument panel device (1) and the lower cross beam of the front windshield frame;

the center console (3) is provided with a cavity with an opening at the top, and the defrosting air duct (4) and the instrument board device (1) are arranged in the cavity;

a first end (506) of the cover plate assembly (5) is abutted with one end, close to a lower cross beam of a front windshield frame, of the windshield (2), and a second end (507) of the cover plate assembly (5) is connected with the upper surface of the instrument panel device (1) in a clamping mode, wherein the first end (506) and the second end (507) are oppositely arranged so as to increase a buffer space between the upper surface of the instrument panel device (1) and the windshield (2);

the cover plate assembly (5) is arranged on the defrosting air duct (4) in a covering mode;

the cover plate assembly comprises two cover plates (501), wherein the two cover plates (501) are arranged in a stacked mode in the vertical direction, and a gap is formed between the two cover plates (501).

2. The vehicle crash cushion apparatus according to claim 1, wherein: a limiting piece (6) is arranged on the center console (3), one end of the limiting piece (6) is fixed on the center console (3), and the other end of the limiting piece is used for fixedly limiting the cover plate assembly (5);

the upper surfaces of the cover plate component (5) and the instrument panel device (1) are used as top opening caps of the cavity;

and a vent (502) is arranged on the cover plate assembly (5), and the vent (502) is used for ventilating the defrosting air duct (4).

3. The vehicle crash cushion apparatus according to claim 2, characterized in that: the cover plate assembly (5) further comprises a connecting piece (503) and a clamping piece (504);

one end of the connecting piece (503) is connected with the cover plate (501), and the other end of the connecting piece is detachably and fixedly connected with the limiting piece (6) on the center console (3);

one end of the clamping piece (504) is fixedly connected with the cover plate (501), and the other end of the clamping piece is connected with the instrument board device (1) in a clamping way;

the ventilation opening (502) is arranged on the cover plate (501).

4. A vehicle crash cushion apparatus according to claim 3, wherein: the cover plate assembly (5) further comprises a grid (505), and the grid (505) is fixedly arranged in the ventilation opening (502);

the grille (505) is used for adjusting the wind direction of wind in the ventilation opening (502).

5. The vehicle crash cushion apparatus according to claim 4, wherein: the two cover plates (501) are fixedly connected;

the two cover plates (501) are respectively provided with a vent (502), and the two vents (502) are arranged in a penetrating way;

the grids (505) are fixedly arranged in the two ventilation openings (502) which are arranged in a penetrating mode.

6. The vehicle crash cushion apparatus according to claim 5, wherein: the two cover plates (501) are arranged in contact, and the two cover plates (501) are connected in a welding mode.

7. The vehicle crash cushion apparatus according to claim 5, wherein:

the two cover plates (501) are fixedly connected through a connecting rod;

the connecting rod is arranged on the frame of the cover plate (501).

8. A vehicle crash cushion apparatus according to claim 3, wherein: the connecting piece (503) is a bracket, and the limiting piece (6) is a sheet metal bracket;

one end of the limiting piece (6) is fixed on the center console (3), and the other end of the limiting piece is detachably connected with the connecting piece (503);

the clamping piece (504) is a buckle, and the instrument board device (1) is provided with a clamping groove which is connected with the buckle in a clamping way.

9. The vehicle crash cushion apparatus according to claim 1, wherein: the cover plate component (5) is made of elastic materials or polypropylene materials.

10. A vehicle, characterized in that: a vehicle crash cushion apparatus comprising the vehicle crash cushion apparatus as claimed in any one of claims 1 to 9.