阅读说明：本技术 一种仪表板连接支架及车辆 (Instrument board linking bridge and vehicle ) 是由 张伟 王营 路军凯 王静静 张云 张鸿钧 巩子天纵 于 2021-08-10 设计创作，主要内容包括：本发明提供了一种仪表板连接支架及车辆,涉及车辆零部件技术领域。本发明的仪表板连接支架包括本体和底座,其中,本体呈柱状且内部中空,本体的顶部与车辆的仪表板连接。底座与本体的底部连接,底座与车辆的前围板支架连接。本体包括多个分支架,沿车辆的竖直方向叠加布置且相邻的两个分支架相互连接。本发明将现有技术中仪表板连接支架与前围板支架的软连接改变为刚性连接,并且将仪表板连接支架拆分为多个分支架,与一个整体的连接支架相比,在提高仪表板连接支架与前围板支架连接刚度的情况下,在行人与车辆发生碰撞时,可以更容易发生溃缩,吸收碰撞力从而可以降低对行人造成的伤害,既保证了车辆的NVH性能又兼顾了行人保护性能。(The invention provides an instrument board connecting support and a vehicle, and relates to the technical field of vehicle parts. The instrument board connecting bracket comprises a body and a base, wherein the body is columnar and hollow, and the top of the body is connected with an instrument board of a vehicle. The base is connected with the bottom of body, and the base is connected with the preceding bounding wall support of vehicle. The body includes a plurality of branchs frame, along the vertical direction stack arrangement of vehicle and two adjacent branchs frame interconnect. Compared with the integral connecting bracket, under the condition of improving the connecting rigidity of the instrument board connecting bracket and the front wall plate bracket, when a pedestrian collides with a vehicle, the connecting bracket can be easily collapsed, absorbs the collision force so as to reduce the injury to the pedestrian, and not only ensures the NVH performance of the vehicle, but also takes the pedestrian protection performance into consideration.)

1. An instrument panel attachment bracket, comprising:

the automobile dashboard comprises a body, a front cover and a back cover, wherein the body is columnar and hollow, and the top of the body is connected with an instrument panel of an automobile;

the base is connected with the bottom of the body and is connected with a front panel bracket of the vehicle; the body includes:

and the plurality of branch frames are arranged in a superposition mode in the vertical direction of the vehicle, and two adjacent branch frames are connected with each other.

2. The instrument panel attachment bracket of claim 1,

the cross-sectional area of each of the sub-brackets in the horizontal plane is different in size.

3. The instrument panel attachment bracket of claim 2,

the branch frames are in a frustum pyramid shape, and the cross sectional area of the branch frame positioned below the two adjacent branch frames is smaller than that of the branch frame positioned above the two adjacent branch frames.

4. The instrument panel attachment bracket of claim 3,

the branch frames are in a quadrangular frustum pyramid shape, a crushing groove is formed in the side wall, facing the front of the vehicle, of each branch frame, and two crushing grooves are formed in the two side walls, arranged in the longitudinal direction of the vehicle, of each branch frame respectively.

5. The instrument panel attachment bracket of claim 4,

the top of the uppermost one of the plurality of sub-frames is parallel to the instrument panel, and the top and bottom of the remaining sub-frames are relatively parallel and disposed to be inclined in a top direction of the vehicle with respect to a longitudinal direction of the vehicle;

the crushing groove is formed by the fact that the bottom of the branch frame is sunken towards the top of the branch frame.

6. The instrument panel attachment bracket of claim 5,

the bottoms of the crushing grooves on both side walls arranged in the longitudinal direction of the vehicle are parallel to the tops of the sub-branches.

7. The instrument panel attachment bracket of claim 1,

steps are formed between the bottom surface of the upper branch frame and each side surface of the lower branch frame in the two adjacent branch frames.

8. Dashboard connection bracket according to any of claims 1-7,

the automobile dashboard connecting support is characterized in that an elastic pressing tongue and a pressing plate are arranged on the base, the elastic pressing tongue is arranged along the longitudinal direction of the automobile, the pressing plate is arranged at the bottom of the elastic pressing tongue, the elastic pressing tongue is provided with a clamping portion which is bent towards the pressing plate, so that when the front dashboard support is inserted between the elastic pressing tongue and the pressing plate, the clamping portion is clamped in a groove in the front dashboard support, and the connection between the dashboard connecting support and the front dashboard support is achieved.

9. Dashboard connection bracket according to any of claims 1-7,

the instrument panel connecting bracket and the defrosting air duct of the vehicle are integrally formed.

10. A vehicle equipped with an instrument panel attachment bracket according to any one of claims 1 to 9.

Technical Field

The invention relates to the technical field of vehicle parts, in particular to an instrument board connecting support and a vehicle.

Background

With the increasing living standard of people, higher and higher requirements are placed on the NVH (Noise, Vibration and Harshness) and safety performance of automobiles. In order to ensure good NVH performance of the entire vehicle, it is necessary to have a relatively stiff connection between the dashboard and the front wall of the vehicle body, so that the attachment points are required to have a relatively high stiffness. However, in order to ensure better pedestrian protection safety performance, a softer connection is generally required between the instrument panel and the front wall, that is, the problem of collision of the pedestrian protection head in passive safety requires that the support of the main instrument panel cannot be too hard, the head collides with the windshield in an accident, and then the head collides with the instrument panel, the lower rigidity of the attachment point between the instrument panel and the front wall can ensure that the head is less damaged, but the softer structure can cause the instrument panel to be more easily subjected to abnormal sound.

When the automobile main instrument panel is connected with the front wall area of an automobile body, the front-back direction of the main instrument panel is restrained from moving in a reciprocating mode through the cooperation of gaps between the felt and the front wall connecting support, and therefore abnormal sound is controlled. In the prior art, the number of the main instrument panel and the number of the front wall attachment points are generally 3-4, the gap matching and attachment mode of the felt can cause inconsistent gap matching states of different attachment points, and meanwhile, in order to ensure a certain NVH level to control abnormal sounds, the mode frequency of the main instrument panel is generally improved by improving the rigidity of the attachment points. However, from the passive safety perspective (pedestrian protection), during the collision between a pedestrian and a vehicle windshield, the higher rigidity of the main dashboard and the front wall attachment point can cause greater damage to the pedestrian head, so as to reduce the head collision test score, which contradicts with the NVH performance requirement, and often causes the sacrifice of part of the vehicle quality in the design process.

Disclosure of Invention

The invention aims to provide an instrument panel connecting bracket, which solves the technical problem that the trade-off between NVH performance and pedestrian protection performance in the design of a front wall attachment structure of a vehicle instrument panel and a vehicle body in the prior art is difficult to balance.

It is a further object of the first aspect of the invention to reduce the impact force of the head during a pedestrian collision.

It is an object of a second aspect of the present invention to provide a vehicle having the above-described instrument panel attachment bracket.

According to an object of a first aspect of the present invention, there is provided an instrument panel attachment bracket comprising:

the automobile dashboard comprises a body, a front cover and a back cover, wherein the body is columnar and hollow, and the top of the body is connected with an instrument panel of an automobile;

the base is connected with the bottom of the body and is connected with a front panel bracket of the vehicle; the body includes:

and the plurality of branch frames are arranged in a superposition mode in the vertical direction of the vehicle, and two adjacent branch frames are connected with each other.

Optionally, the cross-sectional area in the horizontal plane of each of the limbs is not the same size.

Optionally, the sub-racks are frustum-shaped, and the cross-sectional area of the sub-rack positioned below in two adjacent sub-racks is smaller than that of the sub-rack positioned above.

Optionally, the branch frames are in a shape of a quadrangular frustum pyramid, a side wall of each branch frame facing the front of the vehicle is provided with a crushing groove, and two side walls of each branch frame arranged along the longitudinal direction of the vehicle are respectively provided with a crushing groove.

Optionally, the top of the uppermost one of the plurality of sub-frames is parallel to the instrument panel, and the top and bottom of the remaining sub-frames are relatively parallel and disposed to be inclined in a top direction of the vehicle with respect to a longitudinal direction of the vehicle;

the crushing groove is formed by the fact that the bottom of the branch frame is sunken towards the top of the branch frame.

Optionally, the bottom of the crush troughs on both side walls arranged in the longitudinal direction of the vehicle is parallel to the top of the sub-frame.

Optionally, a step is formed between the bottom surface of the upper branch and each side surface of the lower branch in two adjacent branches.

Optionally, the base is provided with an elastic pressing tongue arranged along the longitudinal direction of the vehicle and a pressing plate arranged at the bottom of the elastic pressing tongue, and the elastic pressing tongue is provided with a clamping portion bent towards the pressing plate, so that when the front dash support is inserted between the elastic pressing tongue and the pressing plate, the clamping portion is clamped in a groove in the front dash support, and the connection between the instrument panel connecting support and the front dash support is realized.

Optionally, the dashboard connecting bracket is integrally formed with a defroster duct of the vehicle.

According to the object of the second aspect of the invention, the invention also provides a vehicle equipped with the above-mentioned instrument panel connecting bracket.

The instrument board connecting bracket comprises a body and a base, wherein the body is columnar and hollow, and the top of the body is connected with an instrument board of a vehicle. The base is connected with the bottom of body, and the base is connected with the preceding bounding wall support of vehicle. The body includes a plurality of branchs frame, along the vertical direction stack arrangement of vehicle and two adjacent branchs frame interconnect. Compared with the integral connecting bracket, under the condition of improving the connecting rigidity of the instrument board connecting bracket and the front wall plate bracket, when a pedestrian collides with a vehicle, the connecting bracket can be easily collapsed, absorbs the collision force so as to reduce the injury to the pedestrian, and not only ensures the NVH performance of the vehicle, but also takes the pedestrian protection performance into consideration.

Furthermore, the branch frame is in a quadrangular frustum pyramid shape, a crushing groove is arranged on the side wall of each branch frame facing the front of the vehicle, and two crushing grooves are respectively arranged on two side walls of each branch frame along the longitudinal direction of the vehicle. According to the invention, the crushing groove is arranged, so that the instrument board connecting bracket can be guided to crush according to a preset deformation mode when a pedestrian collides with a vehicle, and thus, the impact force can be absorbed in the pedestrian collision process, and the injury to the pedestrian is reduced.

The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.

Drawings

Some specific embodiments of the invention will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

FIG. 1 is a schematic connection diagram of an instrument panel attachment bracket with an instrument panel and a dash panel bracket according to an embodiment of the present invention;

FIG. 2 is a schematic block diagram of an angle of the instrument panel attachment bracket of FIG. 1;

FIG. 3 is a schematic block diagram of another angle of the instrument panel attachment bracket of FIG. 1;

FIG. 4 is a schematic block diagram of yet another angle of the instrument panel attachment bracket of FIG. 1;

FIG. 5 is a schematic structural view of the cowl brace shown in FIG. 1;

fig. 6 is a schematic connection view of an instrument panel connection bracket and a cowl bracket according to an embodiment of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

Fig. 1 is a schematic connection view of an instrument panel attachment bracket 100 with an instrument panel 200 and a cowl bracket 300 according to an embodiment of the present invention. As shown in fig. 1, in a specific embodiment, the instrument panel attachment bracket 100 includes a body 10 and a base 20, wherein the body 10 has a cylindrical shape and is hollow inside, and the top of the body 10 is attached to an instrument panel 200 of a vehicle. The base 20 is connected to the bottom of the body 10, and the base 20 is connected to a cowl brace 300 of a vehicle. The body 10 includes a plurality of sub-frames 11, and two adjacent sub-frames 11 are arranged one above another in the vertical direction of the vehicle and are connected to each other. Here, the material used for the instrument panel connecting bracket 100 is PP-TD20, which can be switched to other materials in practical applications, such as PP-LGF 20.

This embodiment changes the flexible coupling of panel linking bridge 100 and dash panel support 300 among the prior art into rigid connection, and be a plurality of feeder pillar 11 with panel linking bridge 100 split, compare with a holistic linking bridge, under the condition that improves panel linking bridge 100 and dash panel support 300 and be connected rigidity, when pedestrian bumps with the vehicle, can take place to burst more easily, thereby absorb the impact and can reduce the injury that causes the pedestrian, both guaranteed the NVH performance of vehicle and taken into account pedestrian's protective properties again.

Fig. 2 is a schematic structural view of one angle of the instrument panel attachment bracket 100 shown in fig. 1, fig. 3 is a schematic structural view of another angle of the instrument panel attachment bracket 100 shown in fig. 1, and fig. 4 is a schematic structural view of still another angle of the instrument panel attachment bracket 100 shown in fig. 1. As shown in fig. 2, 3 and 4, in one embodiment, the cross-sectional area in the horizontal plane of each of the sub-frames 11 is not the same size. As compared with the case where the instrument panel attachment bracket 100 is irregularly shaped, the instrument panel attachment bracket 100 can be more easily collapsed when a pedestrian collides with a vehicle.

Specifically, the branch 11 has a frustum shape, and the cross-sectional area of the branch 11 located below in two adjacent branches 11 is smaller than that of the branch 11 located above. It will be appreciated that the cross-sectional area of the sub-frame 11 increases from the bottom up in the vertical direction of the vehicle.

Further, the branch frames 11 are in a shape of a rectangular frustum, a side wall of each branch frame 11 facing the front of the vehicle is provided with a crushing groove 12, and two side walls of each branch frame 11 arranged along the longitudinal direction of the vehicle are respectively provided with a crushing groove 12. This embodiment is through setting up a plurality of crushing grooves 12, and crushing groove 12 can guide instrument board linking bridge 100 to carry out the conquassation according to predetermined deformation mode when pedestrian and vehicle bump to can reduce the impact that the head received under the prerequisite of guaranteeing the NVH performance, promote pedestrian's protective properties. This embodiment has promoted pedestrian's protection head and has bumped the performance under the prerequisite that the rigidity of the attachment point of guaranteeing instrument board linking bridge 100 does not reduce, has realized that NVH performance and pedestrian's protection performance promote jointly, has realized instrument board linking bridge 100's lightweight simultaneously.

In a preferred embodiment, the top of the uppermost one of the plurality of sub-frames 11 is parallel to the instrument panel 200, and the top of the base 20 is parallel to the bottom of the sub-frame 11 located thereabove. The top and bottom of the remaining sub-frame 11 are relatively parallel and arranged to be inclined toward the top of the vehicle with respect to the longitudinal direction of the vehicle. The crushing groove 12 is formed by recessing the bottom of the branch frame 11 toward the top thereof.

Specifically, the bottoms of the crushing grooves 12 on both side walls arranged in the longitudinal direction of the vehicle are parallel to the tops of the branch frames 11. The present embodiment arranges the sub-frame 11 to be inclined and the crush slots 12 to be inclined at an angle perpendicular to the head of the pedestrian, so that the crush slots 12 are more easily induced to collapse when the head of the pedestrian collides with the vehicle, and the collision force is absorbed, thereby reducing the injury to the pedestrian.

In a preferred embodiment, a step is formed between the bottom surface of the upper branch 11 and each side surface of the lower branch 11 of the two adjacent branches 11. This embodiment is through the mode that sets up the step to when the pedestrian head bumps, can carry out effective conquassation, thereby guarantee pedestrian's safety. Specifically, the wall thickness at the step is smaller than that of the branch frame 11, so that the crushing is more likely to occur.

Fig. 5 is a schematic structural view of the cowl brace 300 shown in fig. 1, and fig. 6 is a schematic connection view of the dash attachment brace 100 and the cowl brace 300 according to an embodiment of the present invention. As shown in fig. 5 and 6, the base 20 is provided with an elastic tongue 21 arranged along the longitudinal direction of the vehicle and a pressing plate 22 arranged at the bottom of the elastic tongue 21, the elastic tongue 21 has a clamping portion 211 bent toward the pressing plate 22, so that the clamping portion 211 is clamped in the groove 310 of the dash panel bracket 300 when the dash panel bracket 300 is inserted between the elastic tongue 21 and the pressing plate 22, thereby realizing the connection of the dash panel connecting bracket 100 and the dash panel bracket 300. Compared with the technical scheme that the felt is in clearance fit with the front panel support 300 to always move in the X direction of the instrument panel 200 in the prior art, the elastic pressing tongue 21 is additionally arranged on the base 20 of the instrument panel connecting support 100, the elastic pressing tongue 21 can press the front panel support 300 with certain pretightening force, effective rigidity support is provided for the instrument panel connecting support 100, static friction for inhibiting X direction transmission of the instrument panel 200 is increased, X direction movement of the instrument panel 200 is effectively inhibited, and the risk of abnormal sound is reduced. In addition, the surface of the dash panel connecting bracket, which is matched with the instrument panel connecting bracket 100 in the prior art, has no groove 310 structure, and is a plane structure, so that whether the instrument panel connecting bracket 100 is installed in place is difficult to confirm during assembly. In the present embodiment, the groove 310 is formed in the dash panel bracket 300, so that the elastic pressing tongue 21 can be accurately clamped into the groove 310 when the dashboard connecting bracket 100 is assembled with the dash panel bracket 300, and the assembly quality and efficiency are improved.

In one embodiment, the instrument panel attachment bracket 100 is integrally formed with the defroster duct 400 of the vehicle, so that the installation process of the instrument panel attachment bracket 100 and the defroster duct 400 can be reduced. Specifically, the instrument panel connection bracket 100 and the defroster duct 400 are connected by welding. In other embodiments, the dash attachment bracket 100 may be detachable from the defroster duct 400.

The invention also provides a vehicle equipped with the instrument panel connecting bracket 100 in any one of the above embodiments. The instrument panel attachment bracket 100 need not be described in detail herein.

Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the invention may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the invention. Accordingly, the scope of the invention should be understood and interpreted to cover all such other variations or modifications.