KR100342608B1 - frame which has a reinforcement member in a car - Google Patents

Abstract

The present invention can be appropriately absorbed and attenuated by the impact energy transmitted during collision or collision without increasing the thickness of the frame, it is possible to improve the fuel economy compared to the prior art because the increase in weight is not large due to local reinforcement The present invention relates to a vehicle frame having a reinforcing structure, the present invention comprising: a vertical member which is disposed along the length of both sides of the lower part of the vehicle, and has curved portions bent outwardly to expand the vehicle interior; A plurality of horizontal members connecting vertical members; And an angle reinforcing member attached locally to the inside and the outside of the curved portion of the vertical member.

Description

Frame with Reinforcement {frame which has a reinforcement member in a car}

The present invention relates to an automobile frame, and more particularly to an automobile frame having a reinforcing member.

In general, an automobile frame needs a sufficient strength and rigidity to form a skeleton of an automobile, and to appropriately absorb a body load during driving and various reaction forces from the road surface and impact energy in case of a collision or collision, so that passengers can be safely protected. .

Thus, methods of straightening the frame, enlarging the frame cross section, or increasing the thickness of the frame are commonly used.

The classification of the frame can be largely classified into a general frame and a special frame. Usually, the frame has a vertical member placed on the side length of the vehicle and a plurality of horizontal members connected between the vertical members. It is produced for the purpose of lightening and lowering the center of the vehicle. There are a backbone type, a platform type, a truss type, and the like. For example, a frame is usually used in a general frame car such as a jeep or a small truck.

Usually, the vertical members of the frame are welded to each other by c-shaped members, and the cross section is rectangular in shape.

1 is a perspective view of a vertical member having a conventional reinforcing structure among ordinary frames of an automobile, and FIG. 2 is a cross-sectional view of the vertical member along the II-II line of FIG. 1.

As shown in FIG. 1, the vertical member 10 placed along both sides of the vehicle in the vehicle frame is welded to each other by the first vertical member 10a and the second vertical member 10b that are bent in a c shape. Therefore, the interior of the vertical member 10 is in a hollow state.

In addition, the vertical member 10 has a curved portion 10c that is slightly bent outward in the middle is formed to widen the vehicle interior more.

The vertical member 10 of the above structure is provided with a reinforcement plate 11 so as to be properly absorbed by the impact energy transmitted by the collision or collision, the reinforcement plate 11 is a passenger located inside the vehicle It is provided inside the first vertical member 10a so as to be protected.

Therefore, the cross section of the vertical member 10 is inevitably large so that the reinforcing plate 11 is provided inside, and the thickness of the cross section of the vertical member 10 is also increased due to the reinforcing plate 11.

However, the automobile frame having a conventional reinforcement structure has to have a small cross section in order to minimize the collision space in a limited space, but the cross section has to be large, and since the reinforcement plate is provided over the entire length of the vertical member, the weight of the vehicle is increased. As a result, the fuel economy was not good.

The present invention is to solve the above disadvantages, an object of the present invention can be appropriately absorbed and attenuated by the impact energy transmitted during collision or collision, without increasing the thickness of the frame, due to local reinforcement It is to provide an automobile frame having a reinforcing structure that is not much increase in weight and can also improve fuel economy compared to the prior art.

1 is a perspective view of a vertical member having a conventional reinforcing structure among the ordinary frame of an automobile.

2 is a cross-sectional view of the vertical member taken along the line II-II of FIG.

Figure 3 is a perspective view of one of the vertical member of the vehicle frame according to a preferred embodiment of the present invention.

4 is a cross-sectional view illustrating a cross section taken along line III-III of FIG. 3.

-Explanation of symbols for the main parts of the drawing-

100: vertical member 100a: first vertical member

100b: second vertical member 100c: curved portion

110: reinforcing member

The object as described above is placed along the length of both sides of the lower side of the vehicle, the vertical member is formed with a curved portion bent outward to expand the interior of the vehicle; A plurality of horizontal members connecting vertical members; And an angle reinforcement member locally attached to the inside and the outside of the curved portion of the vertical member.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

3 is a perspective view showing one of the vertical members of the vehicle frame according to a preferred embodiment of the present invention, Figure 4 is a cross-sectional view showing a cross section along the line III-III of FIG.

As shown in FIG. 3, the vertical member 100 includes a first vertical member 100a and a second vertical member 100b of a c-shaped iron plate, and the second vertical member 100b is directed outward. The first vertical member 100a and the second vertical member 100b are joined to each other so as to surround the first vertical member 100a.

The vertical member 100 is placed along both lower surfaces of the vehicle, and a plurality of horizontal members (not shown) are attached to each other.

The vertical member 100 is formed with a curved portion 100c that is bent outward to widen the interior of the vehicle as in the prior art.

When a frontal collision of the vehicle occurs, the impact energy is transmitted along the longitudinal member 100. However, since the change in cross section occurs due to the curved portion 100c while being transmitted along the vertical member 100, the impact energy is concentrated and deformed because the impact energy is not effectively transmitted and attenuated. The bending portion of the vertical member 100 may be locally bonded to an angle-shaped reinforcing member 110 on both sides of the curved portion so that the deformation may be reduced by effectively reinforcing the curved portion 100c and the impact energy is effectively transmitted and attenuated. Reinforce 100c.

Due to the above configuration, since the reinforcing member is not provided inside the vertical member, the cross section of the vertical member can be reduced, and the thickness of the vertical member cross section can also be reduced. In addition, the conventional reinforcing plate has been provided over the entire length of the vertical member, the reinforcing member in the present invention is simply attached locally on both sides of the curved portion of the vertical member has the advantage that the fuel economy of the vehicle through the weight reduction is also improved .

Claims (1)

A vertical member placed along the length of both sides of the lower part of the vehicle and having a curved portion bent outwardly to expand the vehicle interior; A plurality of horizontal members connecting the vertical members; And An automobile frame having a reinforcement structure comprising an angle reinforcement member locally attached to the inside and the outside of the curved portion of the vertical member.