KR20020049401A - A Shock Absorbing Structure with Function for Walker Protection in Fender Panel and Hood Panel - Google Patents

Abstract

PURPOSE: Impact absorbing structure of a fender panel and a hood panel for protecting a pedestrian is provided to prevent a pedestrian from being injured by forming the space between the fender panel and a fender apron panel, and distributing and absorbing impact at a collision. CONSTITUTION: A fender panel(10) is fixed in the upper part of a fender apron panel(12), and an end(11) is bent in the fender panel. An end(20a) of a shock absorbing member(20) is extended and contacted to the lower end of a hood panel(13), and inserted by penetrating the bent end of the fender panel. The other end(20b) of the shock absorbing member is installed with penetrating the upper part of the fender apron panel, and a space part(11a) is formed between the fender panel and the fender apron panel. Impact around the shock absorbing member is dispersed and absorbed with penetrating the fender panel and the fender apron panel with the shock absorbing member. The pedestrian is protected at a collision by distributing and absorbing shock with forming the space part between the fender panel and the fender apron panel.

Description

A shock absorbing structure with function for walker protection in fender panel and hood panel

The present invention relates to a shock absorbing structure of the fender panel and the hood panel, and more particularly, by installing a shock absorbing member between the fender panel and the upper part of the fender apron panel, when the pedestrian collides with the hood panel and the fender panel. To absorb the impact to minimize the injury to pedestrians.

In general, when a pedestrian collides with a hood panel or a fender panel of a vehicle, a body design that minimizes injury to pedestrians by securing a space for plastic deformation of the hood panel or a fender panel to absorb the impact to the pedestrian as much as possible. Most important of all.

The conventional fender panel 10 fixing structure for this important possibility is the fender panel 10 on the upper surface of the fender apron panel (divided into fender apron upper inner panel and fender apron upper outer panel) 12 as shown in FIG. The lower surface of the bent portion 11 is placed, and the bent portion 11 and the apron panel 12 of the mounted fender panel 10 are fixed by a conventional bolting method.

However, the fixing portion of the fender apron panel 12 and the fender panel 10 is too tight and the exterior portion of the fender panel 10 is deformed, but the vertical wall of the engine room (not shown) for mounting is input. It is hard to be deformed because it is configured in the direction parallel to the load direction. Therefore, there is a problem that can not absorb the collision energy when the collision of the pedestrian occurs, the critical problem that the injury value of the collision is increased.

In addition, the upper surface of the fender apron panel 12 and the structure of the fender panel 10 is fixed by a method such as a conventional bolt fastening in the state where the bottom of the bent part 11 of the fender panel 10 is placed (top) and the fender panel ( 10) Since the distance from the pedestrian is very narrow, the fender panel 10 and the hood panel 13 cannot be sufficiently deformed due to the collision with the pedestrian, and the impact absorption and dispersion structure of the impact energy is not applied. There is a problem that the injury value is increased by receiving a lot of impact energy.

The present invention has been proposed in order to solve the above problems, and an object thereof is to provide a sufficient space between the fender panel and the fender apron panel by installing a shock absorbing member capable of absorbing a shock between the fender panel and the upper part of the fender apron panel. This ensures maximum space for the fender panel to be deformed when the pedestrian collides, and the shock absorbing member absorbs the collision energy to the maximum to minimize the injuries of the collider. The present invention provides a shock absorbing structure of a hood panel and a fender panel having a pedestrian protection function capable of absorbing a shock even when an impact is applied to a position.

1 is a perspective view extracting the hood of a typical car,

2 is a cross-sectional view showing a conventional fender panel fixing structure as a cross-sectional view taken along line A-A of FIG.

Figure 3 is a cross-sectional view showing the shock absorbing structure of the fender panel and hood panel having a pedestrian protection function according to the present invention.

※ Explanation of symbols about main part of drawing ※

10: fender panel 11: bending end of the fender panel

11a: space part 12: fender apron panel

13: hood panel 20: shock absorbing member

20a: one end 20b: the other end

21: thread

In order to achieve the above object, the present invention has been researched and penetrated through a bent end portion of a fender panel fixed to an upper portion of a car fender apron panel so that one end thereof extends to the bottom of the hood panel, and the other end thereof is a fender apron panel. The fender panel and hood panel shock absorbing structure having a pedestrian protection function, characterized in that the shock absorbing member is installed so as to penetrate the upper portion of the fender panel and the fender apron panel so that a space is formed therebetween.

Hereinafter, the technical configuration of the present invention will be described in more detail with reference to the accompanying drawings.

3 is a cross-sectional view illustrating a shock absorbing structure of a hood panel and a fender panel having a pedestrian protection function according to the present invention.

Referring to the present invention by FIG. 3, the bending end portion 11 of the fender panel 10 and the upper portion of the fender apron panel 12 are connected to each other to form a space portion 11a to have a sufficient deformation space to input impact energy. The shock absorbing member 20 for absorbing shock at the time is installed to be positioned below the fender 10 side of the vehicle hood panel 13.

The bent end portion 11 and the upper end portion of the fender apron panel 12 of the fender panel 10 as described above has a sufficient deformation space and the shock absorbing member 20 is installed so as to be connected to each other has an elastic rod-shaped elastic force It is preferable that it is a rubber bush.

In addition, the fender panel 10 of the fender panel 10 in order to be connected to the fender panel 10 via the impact absorbing member 20 while maintaining a predetermined interval on the top of the fender apron panel 12. The outer surface of the shock absorbing member 20 has a groove equal to the thickness of the fender panel 10 so that the shock absorbing member 20 penetrates the bent end portion 11 and the penetrating hole of the fender panel 10 is fitted. The thread 21 which has is formed. Thus, the end portion 11 of the fender panel 10 is penetrated by the shock absorbing member 20, but is fitted and fixed to the thread 21 formed on the shock absorbing member 20, the fender panel 10 One end 20a of the impact absorbing member 20 penetrated extends and contacts the lower end of the hood panel 13. In addition, the other end 20b of the shock absorbing member 20 penetrates the upper portion of the fender apron panel 12, and similarly to the fender panel 10, the through hole of the fender apron panel 12 is the shock absorbing member 20. Is installed on the thread 21 of the. Of course, since the thread 21 is formed in the shock absorbing member 20, when the shock absorbing member 20 is rotated in a clockwise or counterclockwise direction, the shock absorbing member 20 moves up and down, so that the hood The distance between the one end 20a extending to the panel 13 and the hood panel 13 can be adjusted.

The function according to the shock absorbing structure of the fender panel and hood panel having a pedestrian protection function of the present invention having the above-described configuration is as follows.

When an accident occurs when a vehicle collides with a pedestrian while driving, the pedestrian is normally hit by a front bumper (not shown) of the leg portion on the hood panel 13 or the hood panel 13 and the fender panel 10. The head portion of the body of the pedestrian collides with the hood panel 13 and the fender panel 10, and the head injury (HIC) of the pedestrian is very high.

At this time, according to the shock absorbing structure of the fender panel and the hood panel according to the present invention in which the shock absorbing member 20 is installed, first, the impact energy generated by the impact applied to the hood panel 13 is determined by the hood panel 13 itself. The primary absorbed by the deformation and the energy is transmitted in the vertical downward direction, and transfers the residual impact energy to the shock absorbing member 20 which is in contact with the lower end of the hood panel 13. The shock absorbing member 20, which receives the residual impact energy from the hood panel 13, first contracts due to its elastic force to attenuate the impact energy, and the impact energy that is not completely eliminated is penetrated through the fender apron panel 12. By moving the shock absorbing member 20 installed downward, the remaining shock energy is dissipated and dispersed.

On the other hand, the impact energy input to the fender panel 10 is primarily attenuated by the deformation of the outer portion of the panel 10, the remaining impact energy is transmitted to the shock absorbing member 20 to absorb the shock due to the elastic deformation of the bush Secondary shock attenuation is achieved, and is transmitted to the space portion 11a formed by the fender panel 10 and the fender apron panel 12 to absorb the third shock.

Of course, the shock absorbing member 20 has an effect of absorbing and dispersing impact energy generated separately from the hood panel 13 or the fender panel 10, but above all, the hood panel 13 and the fender panel 10. At the same time, the impact energy generated and transmitted at the same time is attenuated and absorbed and distributed to minimize the injuries of pedestrians.

According to the shock absorbing structure of the fender panel and hood panel having a pedestrian protection function according to the present invention as described above, the impact energy generated from the hood panel by installing a shock absorbing member fitted through the fender panel and the fender apron panel By dispersing and absorbing the circumference, the space is formed between the fender panel and the fender apron panel, so that not only the fender panel but also the impact energy input to the hood panel can be simultaneously distributed and absorbed, thereby causing a collision with a pedestrian. It has an excellent effect of minimizing injuries when occurring.

Claims (3)

Fitted through the bent end 11 of the fender panel 10 fixed to the upper portion of the automotive fender apron panel 12, one side end (20a) is extended to contact the bottom of the hood panel 13, the other side The end 20b penetrates the upper part of the fender apron panel 12 so that the shock absorbing member 20 is installed so that the space portion 11a is formed between the fender panel 10 and the fender apron panel 12. Shock absorbing structure of the fender panel and hood panel having a pedestrian protection function, characterized in that the. 2. The shock absorbing structure of a fender panel and a hood panel having a pedestrian protection function according to claim 1, wherein the shock absorbing member is a bush made of a rubber material having elastic force. According to claim 1, The shock absorbing member 20 has a pedestrian protection function, characterized in that the thread 21 is formed so as to penetrate the fender panel 10 and the fender apron panel 12 to be fixedly installed. Shock absorption structure of fender panel and hood panel.