CN113928259A

CN113928259A - Vehicle collision buffer and vehicle

Info

Publication number: CN113928259A
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; Geely Automobile Research Institute Ningbo 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: 2022-01-14
Anticipated expiration: 2041-09-01
Also published as: CN113928259B

Abstract

The application discloses a vehicle collision buffer device and a vehicle, wherein the vehicle collision buffer device comprises an instrument panel device, a windshield and a center console, and the instrument panel device is arranged on the center console; a cover plate assembly 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 against one end, close to the center console, of the windshield, 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 assembly is covered on the defrosting air channel; the instrument panel device is arranged on one side, away from the windshield, of the cover plate assembly; make windshield side pedestrian head striking region be the apron subassembly place region, the degree that this kind of design made striking department weakness is high, has avoided multilayer structure's piling up, has increased the crushing energy-absorbing space, effectively reduces the injury that causes pedestrian head striking.

Description

Vehicle collision buffer and vehicle

Technical Field

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

Background

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

The Chinese mandatory regulation for pedestrian protection GB 245050 has been established and is implemented in 2024, 1 month and 1 day, and a 'front windshield glass test area' is newly added in the regulation, which is mainly used for protecting the head of a pedestrian in an adult/two-wheeled vehicle/three-wheeled vehicle accident. The addition of the pedestrian head test area from WAD2100 and WAD2300 to WAD2500 in version 2021C-NCAP and version 2023 Euro NCAP, respectively, is also a consideration for head protection for two-wheeled/three-wheeled pedestrians.

The dashboard area is a common impact area for head injuries to adult/two-wheel/three-wheel pedestrians. The instrument board assembly comprises a plurality of structures such as an instrument board body, an instrument board framework and an air duct, on one hand, the structure is complex, the rigidity is high, the instrument board assembly is not prone to deformation and collapse, on the other hand, the structure is accumulated, the collapse space is insufficient, head injury is high, and the instrument board assembly is also an important reason for not easily obtaining five-star scores in NCAP evaluation.

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

Disclosure of Invention

In order to solve the technical problem, the vehicle collision buffer device disclosed by the application arranges the cover plate component at one side close to the windshield and arranges the instrument panel device at one side of the cover plate component far away from the windshield; make windshield side pedestrian head striking region be the apron subassembly place region, and this kind of design makes the degree of striking department weakening high, has avoided multilayer structure's piling up simultaneously, has increased the crushing energy-absorbing space, effectively reduces the injury that causes pedestrian head striking.

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 disposed on the center console;

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

the cover plate assembly is covered on the defrosting air channel.

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

the central console is provided with a cavity with an opening at the top, and the defrosting air channel and the instrument panel device are arranged in the cavity;

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

the cover assembly and the upper surface of the instrument panel assembly act as a top open roof for the cavity;

the cover plate assembly is provided with a vent, and the vent is used for ventilation of the defrosting air channel.

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

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 clamped and connected with the instrument panel device;

the vent is arranged on the cover plate.

In one embodiment, the cover plate assembly further comprises a grill 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 along the vertical direction and fixedly connected;

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

the grille is fixedly arranged in the two through air vents.

In one embodiment, two cover plates are arranged in contact, and the two cover plates are connected through welding.

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 member is a bracket, and the limiting member is a sheet metal bracket;

the bracket is detachably connected with the sheet metal bracket;

the joint spare is the buckle, be equipped with on the instrument board device with the draw-in groove that the buckle joint is connected.

In one embodiment, the cover plate assembly is made of an elastic material or a polypropylene material.

The present application further describes a vehicle including 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, wherein a cover plate component is arranged at one side close to a windshield, and an instrument panel device is arranged at one side of the cover plate component far away from the windshield; make windshield side pedestrian head striking region be the apron subassembly place region, and this kind of design makes the degree of striking department weakening high, has avoided multilayer structure's piling up simultaneously, has increased the crushing energy-absorbing space, effectively reduces the injury that causes pedestrian head striking, improves vehicle collision buffer's security.

Drawings

In order to more clearly illustrate the technical solutions and advantages of the embodiments of the present application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic cross-sectional view of a vehicle crash cushion provided in accordance with an embodiment of the present disclosure;

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 view illustrating an assembly structure of a cover plate assembly and an instrument panel device according to an embodiment of the present disclosure;

FIG. 4 is a schematic structural view of a front body cover assembly for a pedestrian impacting the head of a vehicle according to an embodiment of the present disclosure;

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

wherein the reference numerals in the figures correspond to: 1-dashboard device, 2-windshield, 3-center console, 4-defrost duct, 5-cover plate assembly, 501-cover plate, 502-vent, 503-connector, 504-fastener, 505-grid, 506-first end, 507-second end, 6-stopper.

Detailed Description

To make the objects, technical solutions and advantages of the present application more clear, the present application will be further described in 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 this application and in the drawings described above are used for distinguishing between similar elements 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 non-exclusive inclusions. In different embodiment variants, identical components have the same reference numerals.

Example 1

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

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

in the present embodiment, the end of the windshield 2 close to the center console 3 is the end of the windshield 2 close to the lower beam of the front windshield frame;

a first end 506 of the cover plate assembly 5 abuts against one end of the windshield 2 close to the center console 3, a 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; the upper surface of the cover assembly 5 adjacent to the windshield 2 and the upper surface of the instrument panel assembly 1 adjacent to the windshield 2 may be part of the upper surface of the center console 3.

The cover plate component 5 is covered on the defrosting air channel 4;

specifically, the defrosting air duct 4 is arranged on one side of the cover plate assembly 5 far away from the windshield 2; the instrument panel device 1 is arranged on one side of the cover plate component 5 far away from the windshield 2 by arranging the cover plate component 5 on one side close to the windshield 2; make 2 side windshield pedestrian head striking areas be the apron subassembly 5 region, and striking rigidity and slight higher instrument board device can be avoided to this kind of design for the degree of striking department weakening is high, has avoided multilayer structure's piling up simultaneously, has increased the crushing energy-absorbing space, effectively reduces the injury that causes pedestrian head striking, improves vehicle collision buffer's security.

In the present embodiment, the cushion assembly in the vehicle collision buffer device mainly includes the instrument panel device 1 and the cover assembly 5.

As shown in fig. 1, the region 1 may be a region where the head of a pedestrian collides with a vehicle when the pedestrian collides with the vehicle;

through setting up the apron on center console 3 between instrument board device 1 and preceding wind window frame bottom end rail for pedestrian's head striking region is the area of apron subassembly 5 place, avoids the direct striking rigidity of pedestrian's head and slight higher instrument board device, and in this region, and the intensity and the rigidity of apron subassembly 5 based on the setting are all relatively weak, can show the injury that reduces pedestrian's head.

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

In the embodiment of the present specification, the cover plate assembly 5 only has decoration and covering functions, 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 weakening role;

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

In the embodiment of the present specification, a limiting member 6 is disposed on the center console 3, one end of the limiting member 6 is fixed on the center console 3, and the other end of the limiting member 6 is used for fixing and limiting the cover plate assembly 5;

preferably, the limiting part 6 can be a sheet metal bracket; the locating part 6 mainly used locate action consequently can choose for use the low strength, the panel beating that thickness is little, and this kind of design can weaken locating part 6 structural strength for locating part 6 easily crushes.

Specifically, the center console 3 is provided with a cavity with an open 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 covered on the defrosting air duct 4, 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 way;

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

The cover plate assembly 5 and the upper surface of the instrument panel device 1 are used as top opening top covers of the cavity;

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

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

preferably, the cover 501 may be provided with one cover 501, that is, only one cover 501 is provided upward along the defrosting 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 connecting member 503 may be detachably connected or fixedly connected to the cover plate.

Preferably, the connecting piece 503 may be disposed at one end of the cover plate 501 close to the lower beam of the front windshield frame;

preferably, there are two connecting members 503, and the connecting members 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 of the clamping piece is clamped and connected with the instrument panel device 1;

specifically, the clip 504 is disposed at one end of the cover plate 501 close to the instrument panel device 1; a plurality of clamping pieces are arranged;

preferably, the clamping member 504 may be a buckle, and a clamping groove connected with the buckle in a clamping manner is formed in the instrument panel device 1; preferably, the buckle is provided in plurality.

The ventilation opening 502 is provided in 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, as shown in fig. 2, the cover plate assembly 5 further includes a grill 505, and the grill 505 is fixedly disposed in the ventilation opening 502;

specifically, the grill 505 is fixedly attached to the cover plate 501.

The grill 505 is used to adjust the direction of the wind in the vent 502.

Specifically, the air outlet direction of the air vent 502 is adjusted by adjusting the direction of the air outlet on the grille 505.

In the present embodiment, it is preferable that the connection 503 is provided on the grill 505; connector 503 is snap-fit to grid 505.

In the embodiment of the present specification, two cover plates 501 may be provided;

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 manner;

the grille 505 is fixedly disposed within two through-holes 502.

Preferably, the grille 505 can be arranged on the vent 502 of the upper cover plate 501 or the lower cover plate 501; or the ventilation opening 502 can penetrate through the upper and lower layers of cover plates 501 and be fixedly connected with the upper and lower layers of cover plates.

Specifically, in the embodiment of the present specification, two cover plates 501 are disposed in contact with each other, and the two cover plates 501 are connected by welding;

specifically, considering that in a new vehicle collision test (NCAP), the pedestrian head impact position is located at the full-hundred positions of the center console Y, such as 100mm, 200mm, 300mm …, the welding area is prevented from being arranged at the full-hundred positions, and the direct impact of the pedestrian head is avoided.

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

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

the connecting rods are arranged on the frame of the cover plate 501;

preferably, the connecting rods may be disposed at four top corners of the cover plate.

In the embodiment of the present specification, during assembly, after the defrosting air duct 4 and the instrument panel device 1 are disposed 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 member 6 through the connecting member 503 by being obliquely inserted downward to be positioned, and then one end of the cover plate 501 close to the instrument panel device 1 is pressed downward, so that the clamping member 504 is connected to the mating member on the instrument panel device 1 in a clamping manner, and the assembly can be completed.

According to the vehicle collision buffer device disclosed by the application, as the cover plate component 5 is low in strength, great deformation can be generated, meanwhile, the head of a pedestrian avoids the instrument board device 1 with high impact strength, sufficient intrusion space is obtained, and head injury is effectively reduced; according to simulation analysis, the structural schematic diagrams of the vehicle body cover assembly before and after the head of the pedestrian is impacted as 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 lower the head injury index by one level.

Example 2

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

The above disclosure is only one preferred embodiment of the present application, and certainly does not limit the scope of the present application, which is therefore intended to cover all modifications and equivalents of the claims.

Claims

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

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

a first end (506) of the cover plate component (5) is abutted with one end, close to the center console (3), of the windshield (2), and a second end (507) of the cover plate component (5) is detachably connected with the instrument panel device (1), wherein the first end (506) and the second end (507) are oppositely arranged;

the cover plate component (5) is covered on the defrosting air channel (4).

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

the central console (3) is provided with a cavity with an open top, and the defrosting air duct (4) and the instrument panel device (1) are both arranged in the cavity;

the cover plate component (5) is covered on the defrosting air channel (4), and a second end (507) of the cover plate component (5) is connected with the upper surface of the instrument panel device (1) in a clamping way;

the cover plate assembly (5) and the upper surface of the instrument panel device (1) are used as top opening top covers of the cavity;

the cover plate assembly (5) is provided with a ventilation opening (502), and the ventilation opening (502) is used for ventilation of the defrosting air channel (4).

3. The vehicle crash cushion of claim 2 wherein: the cover plate assembly (5) comprises a cover plate (501), a connecting piece (503) and a clamping piece (504), and at least one cover plate (501) is arranged;

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 clamped and connected with the instrument panel device (1);

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

4. The vehicle crash cushion of claim 3, wherein: the cover plate assembly (5) further comprises a grille (505), wherein the grille (505) is fixedly arranged in the ventilation opening (502);

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

5. The vehicle crash cushion of claim 4 wherein: two cover plates (501) are arranged;

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 grilles (505) are fixedly arranged in two ventilation openings (502) which are arranged in a penetrating way.

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

7. The vehicle crash cushion of claim 5 wherein: a gap is arranged between the two cover plates (501) along the vertical direction;

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. The vehicle crash cushion of 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 a clamping groove connected with the buckle in a clamping mode is formed in the instrument panel device (1).

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

10. A vehicle, characterized in that: comprising a vehicle crash cushion according to any one of claims 1-9.