CN218661711U

CN218661711U - High strength aluminum alloy car is prevented rolling into roof beam

Info

Publication number: CN218661711U
Application number: CN202222003689.6U
Authority: CN
Inventors: 罗世兵; 王立忠; 姚李军; 糜罕峰; 李文通; 贺文豪; 刘学君
Original assignee: Changchun Yousheng Automobile Technology Co ltd
Current assignee: Changchun Yousheng Automobile Technology Co ltd
Priority date: 2022-08-01
Filing date: 2022-08-01
Publication date: 2023-03-21
Anticipated expiration: 2032-08-01

Abstract

The utility model provides a high-strength aluminum alloy automobile anti-rolling beam, which comprises a beam, wherein the transverse section of the beam is of a bullet-shaped structure, and only one cavity is arranged in the bullet-shaped structure; the crossbeam is bent into an arc shape, the arc-shaped outer arc surface is far away from one side of the vehicle head, the arc-shaped inner arc surface is provided with a left bracket and a right bracket which are arranged at intervals, and the left bracket and the right bracket are respectively connected with the vehicle head through the energy absorption boxes and are arranged in front of the tire. The inner side of the cross beam of the utility model adopts the left bracket and the right bracket which are respectively connected with the vehicle head through the energy absorption boxes, the energy absorption and the crumpling effect of the two energy absorption boxes are good, the front anti-rolling beam is arranged in front of the tire, the foreign matter in front of the tire can be discharged, and the function that the foreign matter is rolled into the tire to influence the safety of the driver and the surrounding people and vehicles when the vehicle travels is achieved; the cavity of the bullet-shaped structure is a closed structure, so that the strength of the plastic bumper is increased, and people or objects are prevented from being drawn into the wheel due to deformation of the plastic bumper.

Description

High strength aluminum alloy car is prevented rolling into roof beam

Technical Field

The utility model relates to a new energy automobile technical field, concretely relates to high strength aluminum alloy car prevents being drawn into roof beam for effectively prevent that foreign object from being drawn into the wheel.

Background

When the comfort of the automobile is pursued at present, the automobile body of the automobile can be designed to be wide and long, so that a driver has a large visual dead angle. The driver is difficult to perceive the surrounding situation of the vehicle when the vehicle is in the process of traveling, and the small-sized vehicle, the bicycle or the pedestrian is easy to pay attention to and have an accident of rubbing and colliding with the vehicle due to the difference of the inner wheels when the vehicle turns. At this time, because the gap between the vehicle chassis and the ground is large, and the soft plastic bumper deforms, people or objects are easily rolled into the wheels, and casualties and property loss are caused.

In order to prevent small-sized vehicles and pedestrians from rolling down due to the collision of the vehicle body with the wheels, it is known that a guard is installed at the front end of a vehicle to prevent people or objects from rolling down under the vehicle body, and it is known that a guard for large-sized vehicles is installed on a vehicle body by a metal pipe or a stamped plate, and in order to prevent the device from being damaged due to the collision of the road surface with the guard due to the fluctuation of the height, the distance between the guard and the ground must be less than 550mm according to the ECER73 international standard, and generally, the guard is installed to be slightly lower than the height limit.

How to eliminate the foreign matters in front of the tire and how to increase the strength of the plastic bumper to avoid the plastic bumper from deforming to roll people or things into the wheel becomes a problem to be solved urgently.

SUMMERY OF THE UTILITY MODEL

Problem to prior art existence, the utility model provides a high strength aluminum alloy car prevents being drawn into roof beam to solve above-mentioned at least one kind technical problem.

The technical scheme of the utility model is that: a high-strength aluminum alloy automobile anti-rolling beam comprises a cross beam, wherein the transverse section of the cross beam is of a bullet-shaped structure, and only one cavity is formed in the bullet-shaped structure; the crossbeam is bent into an arc shape, the arc-shaped outer arc surface is far away from one side of the vehicle head, the arc-shaped inner arc surface is provided with a left bracket and a right bracket which are arranged at intervals, and the left bracket and the right bracket are respectively connected with the vehicle head through the energy absorption boxes and are arranged in front of the tire.

The inner side of the cross beam of the utility model adopts the left bracket and the right bracket which are respectively connected with the vehicle head through the energy absorption boxes, the energy absorption and the crumpling effect of the two energy absorption boxes are good, the front anti-rolling beam is arranged in front of the tire, the foreign matter in front of the tire can be discharged, and the function that the foreign matter is rolled into the tire to influence the safety of the driver and the surrounding people and vehicles when the vehicle travels is achieved; the cavity of the bullet-shaped structure is a closed structure, so that the strength of the plastic bumper is increased, and people or objects are prevented from being drawn into the wheel due to deformation of the plastic bumper.

Preferably, the lower part of the cavity of the bullet-shaped structure is of a U-shaped structure with unequal sides, the tops of two straight rods of the U-shaped structure are respectively connected with the open end of the inverted V-shaped structure, and the closed end of the V-shaped structure is provided with a round angle; the wall thickness of the cavity wall where the short straight rod is located in the unequal-side U-shaped structure is different from that of the cavity wall where the long straight rod is located.

The utility model discloses a U type structure not on limit, the V type structure that is connected with the short straight-bar in the U type structure not on limit inclined plane thickness on one side is different with V type structure another side wall thickness, and through the combination of different wall thicknesses, the energy-absorbing is effectual with collapsing.

Preferably, an included angle B is formed between the two arc-shaped ends of the cross beam, and the included angle B is an obtuse angle.

The utility model discloses a crossbeam has played the guard action when taking place the incline collision, has reduced the impact to A post and passenger cabin.

Drawings

Fig. 1 is a schematic view of the installation structure of the present invention.

Fig. 2 is a top view of the cross beam of the present invention.

Fig. 3 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A of fig. 2.

In the figure: 1. a beam, 2. A left bracket; 3. a right bracket; 4. and an included angle B.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

Referring to fig. 1-3, the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any modification of the structure, change of the ratio relationship or adjustment of the size should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are used for clarity of description only, and are not used to limit the scope of the present invention, and the relative relationship between the terms may be changed or adjusted without substantial technical changes.

The first embodiment of the invention relates to a high-strength aluminum alloy automobile anti-rolling beam, which comprises a cross beam 1, wherein the transverse section of the cross beam 1 is of a bullet-shaped structure, and only one cavity is arranged in the bullet-shaped structure; crossbeam 1 is crooked into the arc, and locomotive one side is kept away from to curved extrados, is provided with left bracket 2, the right bracket 3 of interval arrangement on the curved intrados, and left bracket 2, right bracket 3 are connected and are installed in tire the place ahead through energy-absorbing box and locomotive respectively. The inner side of the cross beam of the utility model adopts the left bracket and the right bracket which are respectively connected with the vehicle head through the energy absorption boxes, the energy absorption and the crumpling effect of the two energy absorption boxes are good, the front anti-rolling beam is arranged in front of the tire, the foreign matter in front of the tire can be discharged, and the function that the foreign matter is rolled into the tire to influence the safety of the driver and the surrounding people and vehicles when the vehicle travels is achieved; the cavity of the bullet-shaped structure is a closed structure, so that the strength of the plastic bumper is increased, and people or objects are prevented from being drawn into the wheel due to deformation of the plastic bumper.

In the second embodiment, on the basis of the first embodiment, referring to fig. 3, the lower part of the cavity of the bullet-shaped structure is of an unequal-sided U-shaped structure, the tops of two straight rods of the U-shaped structure are respectively connected with the open end of an inverted V-shaped structure, and the closed end of the V-shaped structure is provided with a fillet; the wall thicknesses of the short straight rod in the unequal-sided U-shaped structure and one side of the V-shaped structure connected with the short straight rod are both 2.3-2.7 mm; the wall thickness of the long straight rod in the unequal U-shaped structure and the wall thickness of the other side of the V-shaped structure connected with the long straight rod are both 3.2-3.7 mm. The utility model discloses a U type structure not on limit, the V type structure that is connected with the short straight-bar in the U type structure not on limit inclined plane thickness on one side is different with V type structure another side wall thickness, and through the combination of different wall thicknesses, the energy-absorbing is effectual with collapsing.

In the third embodiment, on the basis of the second embodiment, the wall thickness of one side of the unequal-side U-shaped structure, namely the short straight rod and the V-shaped structure connected with the straight rod, is 2.5mm.

In the fourth embodiment, on the basis of the second embodiment, the wall thickness of the long straight rod in the unequal-side U-shaped structure and the wall thickness of the other side of the V-shaped structure connected with the long straight rod are both 3.5mm.

In the fifth embodiment, on the basis of the second embodiment, referring to fig. 2, an included angle B4 is formed between the two arc-shaped ends of the cross beam 1, and the included angle B4 is an obtuse angle. The utility model discloses a crossbeam has played the guard action when taking place the incline collision, has reduced the impact to A post and passenger cabin.

In the sixth embodiment, based on the fifth embodiment, the included angle B4 is 114 °.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a roof beam is prevented being drawn into by high strength aluminum alloy car, includes crossbeam (1), its characterized in that: the transverse section of the beam (1) is of a bullet-shaped structure, only one cavity is arranged in the bullet-shaped structure, the lower part of the cavity of the bullet-shaped structure is of an unequal-side U-shaped structure, and the tops of two straight rods of the U-shaped structure are respectively connected with the open end of an inverted V-shaped structure; crossbeam (1) is crooked into the arc, and locomotive one side is kept away from to curved extrados, is provided with left bracket (2), right bracket (3) that the interval was arranged on the curved intrados, and left bracket (2), right bracket (3) are connected and are installed in tire the place ahead through energy-absorbing box and locomotive respectively.

2. The high-strength aluminum alloy automobile anti-rolling beam as claimed in claim 1, wherein: the closed end of the V-shaped structure is provided with a round angle, and the wall thickness of the cavity wall where the short straight rod is located in the U-shaped structure with unequal sides is different from that of the cavity wall where the long straight rod is located.

3. The high-strength aluminum alloy automobile anti-rolling beam as claimed in claim 2, wherein: the wall thickness of the unequal-side U-shaped structure middle short straight rod and one side of the V-shaped structure connected with the straight rod are both 2.3-2.7 mm.

4. The high-strength aluminum alloy automobile anti-rolling beam as claimed in claim 2, wherein: the wall thickness of the long straight rod in the unequal U-shaped structure and the wall thickness of the other side of the V-shaped structure connected with the long straight rod are both 3.2-3.7 mm.

5. The high-strength aluminum alloy automobile anti-rolling beam as claimed in claim 2, wherein: an included angle B (4) is formed between the two arc-shaped ends of the cross beam (1), and the included angle B (4) is an obtuse angle.

6. The high-strength aluminum alloy automobile anti-rolling beam as claimed in claim 5, wherein: the angle B (4) is 114 deg..