CN215553572U

CN215553572U - Enclose portion collision protection device and car before automobile body

Info

Publication number: CN215553572U
Application number: CN202120421122.3U
Authority: CN
Inventors: 房京祥; 罗芬; 郑颢; 杨志添; 宋沛殷
Original assignee: Guangzhou Automobile Group Co Ltd
Current assignee: Guangzhou Automobile Group Co Ltd
Priority date: 2021-02-25
Filing date: 2021-02-25
Publication date: 2022-01-18
Anticipated expiration: 2031-02-25

Abstract

The utility model relates to a collision protection device for a front wall part of a vehicle body and an automobile, wherein the automobile comprises a front wall plate assembly, a front windshield and an engine hood, the front wall plate assembly comprises a front wall plate and a cross beam, the cross beam is arranged on the front wall plate, the front windshield is connected with the cross beam, and the engine hood is connected with the front wall plate; the crossbeam is located the below of engine bonnet, and along first direction, the projection of engine bonnet on the windshield covers the crossbeam, and when the car collided with the pedestrian, the direction of the impact force that the pedestrian's head received was parallel with first direction, so can utilize the engine bonnet to shelter from the crossbeam, avoided the pedestrian's head directly to collide with the regional emergence of crossbeam. Because the hardness of the engine hood is far less than that of the cross beam, the arrangement can reduce the head injury of pedestrians through the buffering effect of the engine hood, and the collision safety performance of the automobile is improved.

Description

Enclose portion collision protection device and car before automobile body

Technical Field

The utility model belongs to the technical field of vehicle safety, and particularly relates to a collision protection device for a front wall part of a vehicle body and an automobile.

Background

With the acceleration of the urbanization process in China and the increase of the automobile holding capacity, the collision accidents of automobiles and pedestrians increase year by year, and the pedestrian accidents account for about 20 percent of the total accidents. In the human-vehicle collision injury, the injury of the head of a pedestrian accounts for about 50%, and the fatality rate of the head injury is far higher than that of other parts. However, most of the existing automobiles lack protection measures for the head of the pedestrian, and the pedestrian cannot be fully protected.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: to the problem that current car lacks and protect pedestrian's head, provide a enclose portion collision protection device and car before automobile body.

In order to solve the above technical problems, an embodiment of the present invention provides a vehicle body cowl portion collision protection apparatus, including a cowl assembly, a front windshield, and an engine cover, where the cowl assembly includes a front wall panel and a cross member, the cross member is disposed on the front wall panel, the front windshield is connected to the cross member, and the engine cover is connected to the front wall panel; the cross beam is located below the engine cover, and a projection of the engine cover on the windshield covers the cross beam along a first direction, wherein the first direction is parallel to a direction of an impact force received when a head of a pedestrian collides with the automobile.

Optionally, a first buffer space is formed between the engine cover and the front windshield in the first direction.

Optionally, the angle between the first direction and the horizontal direction is 60-65 °.

Optionally, the beam includes an inner plate and an outer plate, one end of the inner plate is fixedly connected with the front wall plate, the other end of the inner plate is fixedly connected with one end of the outer plate, the other end of the outer plate is fixedly connected with the front wall plate, the outer plate is located above the inner plate, and the inner plate, the outer plate and the front wall plate enclose to form a first cavity.

Optionally, the vehicle body further comprises an instrument panel mounting bracket, the instrument panel mounting bracket is connected with the cross beam, and a second buffer space is formed between the instrument panel mounting bracket and the front windshield in the first direction.

Optionally, a surface of the instrument panel mounting bracket opposite to the front windshield is an arc-shaped surface.

Optionally, the front wall collision protection device of the vehicle body further comprises an instrument panel body, the instrument panel body is mounted on the instrument panel mounting bracket, and the instrument panel body and the front windshield are arranged at an interval.

Optionally, the dash panel assembly further comprises an air chamber outer panel and a reinforcing panel, wherein the air chamber outer panel is connected with the dash panel; the reinforcing plate is arranged below the air chamber outer plate, and the reinforcing plate and the air chamber outer plate are enclosed to form a second cavity, wherein the second cavity extends along the length direction of the cross beam.

Optionally, the front wall collision protection device of the vehicle body further comprises a wiper support, one end of the wiper support is connected with the front wall plate, and the other end of the wiper support is connected with the outer plate of the air chamber.

In order to solve the technical problem, an embodiment of the utility model further provides an automobile, wherein the automobile uses the automobile body front wall part collision protection device.

In the embodiment provided by the utility model, the cross beam is positioned below the engine hood, the projection of the engine hood on the windshield along the first direction covers the cross beam, and the cross beam is positioned behind and below the engine hood. Because the hardness of the engine hood is far less than that of the cross beam, the arrangement can reduce the head injury of pedestrians through the buffering effect of the engine hood, and the collision safety performance of the automobile is improved.

Drawings

FIG. 1 is a partial schematic view of an automobile provided in accordance with an embodiment of the present invention;

FIG. 2 is a schematic end view in the direction A-A of FIG. 1;

FIG. 3 is a schematic illustration of a first type of collision of a pedestrian's head with an automobile;

FIG. 4 is a schematic illustration of a second type of collision of a pedestrian's head with an automobile;

FIG. 5 is a schematic illustration of a third type of collision of a pedestrian's head with an automobile;

fig. 6 is a schematic structural view of an instrument panel body of an automobile according to an embodiment of the present invention;

fig. 7 is a schematic structural view of a front wall panel of an automobile according to an embodiment of the present invention.

The reference numerals in the specification are as follows:

100. an automobile; 10. a front wall assembly; 20. a front windshield; 30. an engine cover; 1. a front wall panel; 2. A cross beam; 21. an inner plate; 22. an outer plate; 23. a first cavity; 3. an instrument panel mounting bracket; 4. an instrument panel body; 5. an air chamber outer plate; 6. a reinforcing plate; 7. a launder; 8. a second cavity; 9. a wiper holder.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

In the present invention, the positional relationship between the relevant components, such as "up", "down", "front", "rear", etc., refers to the positional relationship of the components when the automobile is normally parked.

As shown in fig. 1 and 2, in an embodiment, an automobile 100 includes a dash panel assembly 10, a front windshield 20, and a hood 30, and both the front windshield 20 and the hood 30 are mounted on the dash panel assembly 10. The cowl assembly 10, the front windshield 20, and the hood 30 are included as a part of a cowl portion collision protection device for protecting a pedestrian when a front portion of an automobile collides with the pedestrian. The dash panel assembly 10 includes a dash panel 1 and a cross member 2. The cross member 2 is provided on the front wall panel 1, the front windshield 20 is connected to the cross member 2, and the hood 30 is connected to the front wall panel 1. The cross member 2 may be fixed above the front wall plate 1 by welding or the like, the front windshield 20 is connected with the cross member 2 by gluing, and the hood 30 may be rotatably connected with the front wall plate 1 by hinging or the like.

As shown in fig. 3, in an actual scene, when a car collides with a pedestrian during driving on a level ground, the angle α between the impact direction of the impact force received by the head 200 of the pedestrian and the horizontal direction is typically 60 ° to 65 °. In order to protect the head 200 of the pedestrian, in an embodiment, the projection of the hood 30 onto the windshield covers the cross member 2 in a direction parallel to and opposite to the direction of the impact (defining the direction as the first direction), i.e., the cross member 2 is located behind and below the hood 30. When the automobile collides with a pedestrian, the cross beam 2 can be shielded by the engine cover 30, so that the head 200 of the pedestrian is prevented from directly colliding with the area where the cross beam 2 is located. Since the rigidity of the hood 30 is much less than that of the cross member 2, the arrangement can reduce the damage to the head 200 of the pedestrian by the cushioning effect of the hood 30, and improve the collision safety of the automobile.

In addition, in an embodiment, in the first direction, the distance between the hood 30 and the cross beam 2 is greater than the thickness of the front windshield 20, that is, in the first direction, a first buffer space formed at an interval is provided between the hood 30 and the front windshield 20, and when the automobile 100 collides with a pedestrian, the first buffer space can play a role in buffering, so that the impact force applied to the head 200 can be effectively reduced, and the injury of the automobile 100 to the head 200 of the pedestrian can be further reduced. Normally, the size D1 of the first cushion space between the hood 30 and the front windshield 20 is set to 80mm or more in order to improve the cushion effect of the first cushion space.

As shown in fig. 2, in an embodiment, the cross beam 2 includes an inner panel 21 and an outer panel 22. One end of the inner plate 21 is fixedly connected with the front wall plate 1, the other end of the inner plate 21 is fixedly connected with one end of the outer plate 22, the other end of the outer plate 22 is also fixedly connected with the front wall plate 1, and the front windshield 20 is bonded on the outer plate 22 through the connecting glue.

The outer panel 22 is positioned above the inner panel 21, and the first cavity 23 is surrounded by the inner panel 21, the outer panel 22, and the front wall panel 1. This arrangement can improve the torsional rigidity of the cross member 2. Meanwhile, the beam 2 is hidden below the engine hood 30, so that the impact safety performance of the automobile can be prevented from being influenced due to the reinforced arrangement of the beam 2, and the perfect balance between the impact safety performance and the NVH performance is realized.

As shown in fig. 2 to 6, in an embodiment, the dash panel assembly 10 further includes a dash panel mounting bracket 3 and a dash panel body 4. The instrument panel mounting bracket 3 is connected with the cross beam 2, the instrument panel body 4 is arranged on one side of the instrument panel mounting bracket 3, which is far away from the front windshield 20, and the instrument panel body 4 is used for mounting instruments such as a fuel gauge, a vehicle body odometer and the like.

During actual production, instrument board installing support 3 can link together with crossbeam 2 through the joint mode, and of course, instrument board installing support 3 can be through locking on crossbeam 2 such as screw. The instrument panel body 4 can also be connected with the instrument panel mounting bracket 3 in a clamping manner or a screw locking manner.

In an embodiment, a plurality of instrument panel mounting brackets 3 are provided, each instrument panel mounting bracket 3 is provided at intervals along the length direction of the cross beam 2, and each instrument panel mounting bracket 3 is used for connecting the instrument panel body 4 and the cross beam 2, so that the instrument panel body 4 can be more firmly mounted on the front wall panel 1. In actual production, the number of the instrument panel mounting brackets 3 may be set to three, four, or the like.

As shown in fig. 2 and 4, the instrument panel mounting bracket 3 is disposed to face the front windshield 20 at a distance, and a second cushion space is formed. When the pedestrian collides with the automobile, the head 200 of the pedestrian can be greatly collided at the position of the front windshield 20 opposite to the instrument panel mounting bracket 3, and at the moment, the second buffer space at the interval between the instrument panel mounting bracket 3 and the front windshield 20 can play a good buffer role, so that the impact force received by the head 200 is effectively reduced, and the collision safety performance of the automobile is improved. In addition, in order to enhance the inner cushion effect, the size D2 of the second cushion space between the instrument panel mounting bracket 3 and the front windshield glass 20 is generally set larger than 50mm in the impact direction.

In addition, as shown in fig. 2, in an embodiment, a surface of the instrument panel mounting bracket 3 opposite to the front windshield 20 is an arc surface, so that the instrument panel mounting bracket 3 has good shock resistance, and further, the NVH performance of the automobile 100 is improved while the collision safety performance of the automobile 100 is improved.

As shown in fig. 2 and 5, in one embodiment, the instrument panel body 4 is spaced from the front windshield 20, so that when the head 200 of a pedestrian impacts an area where the front windshield 20 is opposite to the instrument panel body 4, the impact force applied to the head 200 of the pedestrian can be reduced by the space between the front windshield 20 and the instrument panel body 4 as a buffer.

As shown in fig. 2 and 7, in an embodiment, the dash panel assembly 10 further includes an air chamber outer panel 5 and a reinforcement panel 6. The air chamber outer plate 5 is connected to the front wall plate 1, and a gutter 7 is provided in the air chamber outer plate 5 to receive liquid flowing down from the front windshield 20. The reinforcing plate 6 is disposed below the air chamber outer plate 5 and surrounds the air chamber outer plate 5 to form a second cavity 8, wherein the second cavity 8 extends along the length direction of the cross beam 2, and the torsional rigidity of the vehicle body can be further improved.

As shown in fig. 7, in an embodiment, the dash panel assembly 10 further includes a wiper holder 9. One end and the preceding wallboard 1 fixed connection of wiper support 9, the other end and the air chamber planking 5 fixed connection of wiper support 9 can make being connected more firm, stable between air chamber planking 5 and the preceding wallboard 1 like this, reduce the vibrations of air chamber planking 5, improve car 100's MVH performance. The wiper holder 9 is usually connected to the front wall plate 1 and the air chamber outer plate 5 by welding.

It is understood that the arrangement of the components in the above embodiments may be replaced by other manners, such as: in other embodiments, the dashboard mounting bracket 3 may be fixed to the cross member 2 by screws or the like.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The front wall part collision protection device of the vehicle body is characterized by comprising a front wall plate assembly, a front windshield and an engine hood, wherein the front wall plate assembly comprises a front wall plate and a cross beam, the cross beam is arranged on the front wall plate, the front windshield is connected with the cross beam, and the engine hood is connected with the front wall plate;

the cross member is located below the hood, and a projection of the hood on the windshield along a first direction covers the cross member; the first direction is parallel to the direction of impact force received when the head of the pedestrian collides with the front part of the automobile.

2. The vehicle body cowl portion collision protection apparatus according to claim 1, wherein a first cushion space is formed in the first direction between the hood and the front windshield.

3. The front wall portion collision protection apparatus for a vehicle body according to claim 1, wherein the first direction is at an angle of 60-65 ° to the horizontal direction.

4. The apparatus according to claim 1, wherein the cross member includes an inner panel and an outer panel, one end of the inner panel is fixedly connected to the front wall, the other end of the inner panel is fixedly connected to one end of the outer panel, the other end of the outer panel is fixedly connected to the front wall, the outer panel is located above the inner panel, and the inner panel, the outer panel and the front wall enclose a first cavity.

5. The vehicle body cowl portion collision protection apparatus according to claim 1, further comprising an instrument panel mounting bracket that is joined to the cross member, the instrument panel mounting bracket forming a second buffer space with the front windshield glass in the first direction.

6. The front wall portion collision protection apparatus for a vehicle body according to claim 5, wherein a surface of the instrument panel mounting bracket opposite to the front windshield is an arc-shaped surface.

7. The vehicle body cowl portion collision protection apparatus according to claim 5, further comprising an instrument panel body mounted on the instrument panel mounting bracket, the instrument panel body being disposed at a distance from the front windshield.

8. The dash panel assembly according to claim 1, further comprising an air chamber outer panel joined to the dash panel, and a reinforcement panel;

the reinforcing plate is arranged below the air chamber outer plate, the reinforcing plate and the air chamber outer plate are enclosed to form a second cavity, and the second cavity extends along the length direction of the cross beam.

9. The vehicle body cowl portion collision protection apparatus according to claim 8, further comprising a wiper holder, one end of which is joined to the dash panel, and the other end of which is joined to the air chamber outer panel.

10. An automobile characterized by comprising the vehicle body cowl portion collision protection apparatus according to any one of claims 1 to 9.