KR101220005B1

KR101220005B1 - Engine room structure

Info

Publication number: KR101220005B1
Application number: KR1020100116589A
Authority: KR
Inventors: 김용규; 신창호
Original assignee: 현대자동차주식회사
Priority date: 2010-11-23
Filing date: 2010-11-23
Publication date: 2013-01-08
Also published as: KR20120055084A

Abstract

The present invention relates to an engine room reinforcing structure, comprising: a front side member having a front subframe at a lower portion thereof; a shock absorber housing provided at the front side member side; a dash cross member provided at a rear side of the front side member; A dash panel provided on the dash cross member and a cowl provided on the dash panel, and a reinforcing member is provided between the front side member, the shock absorber housing, the dash panel, and the cowl panel to reinforce strength. .

Description

Engine room reinforcement structure {ENGINE ROOM STRUCTURE}

The present invention relates to an engine room reinforcement structure that increases the safety of the passengers by reducing the amount of dashed rain as the engine room deformation amount is suppressed.

In general, the engine room is a space for mounting the powertrain and various parts in the structure of the body, but it is also a key element to consider first from a package point of view, but plays the most important role in absorbing energy in the event of a collision.

The engine room is a structure in which the front side members, the shock absorber housing, the dash panel, and the cowl are interconnected.

However, in the conventional engine room, the space of the engine room is narrow, and the engine and the booster are provided to overlap each other, and the overlap of the engine and the booster increases the body deformation during a collision accident, thereby increasing the injury value of the passenger.

The technical problem to be solved by the present invention for solving the above-mentioned problems is to increase the rigidity by attaching a reinforcing member to the engine room to suppress the engine room deformation amount to reduce the amount of intrusion into the cabin, thereby improving passenger safety. It is to provide an engine room reinforcement structure to increase.

As a means for achieving the above-described technical problem, the engine room reinforcement structure of the present invention is a front side member having a front subframe mounting bracket at the bottom, a shock absorber housing provided on the front side member side, and the front side member A dash cross member provided at a rear side, a dash panel provided at an upper portion of the dash cross member, and a cowl provided at an upper portion of the dash panel, and a strength between the front side member, a shock absorber housing, a dash panel, and a cowl panel. A reinforcing member for reinforcing is provided.

The reinforcing member includes a first reinforcing portion attached to the connection portion of the front side member and the dash cross member.

An upper end of the rear end of the front side member is cut and cut, and the front end of the first reinforcing part is closely attached to the cut rear end.

On the other hand, the reinforcing member includes a second reinforcing part attached to the front subframe mounting bracket, the front side member, the shock absorber housing and the cowl in order to be connected in sequence.

On the other hand, the reinforcing member includes a third reinforcing part attached to be connected along the connection portion of the shock absorber housing and the dash panel.

A brake booster is provided at the rear of the engine room, and the brake booster is formed by moving 30 mm in the vehicle interior direction and 15 mm in the outer direction.

According to the present invention, by attaching a reinforcing member to the engine room to increase the rigidity to suppress the engine room deformation amount to reduce the amount of intrusion into the cabin, thereby increasing the safety of the passengers.

1 is a perspective view showing an engine room reinforcement structure of the present invention.
Figure 2 is a perspective view showing a coupling relationship of the front side member and the first reinforcement of the present invention.
3 is a perspective view showing a coupling relationship of the second reinforcement and the third reinforcement of the present invention.
Figure 4 is a view showing a moving state of the brake booster of the present invention.

DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention, and like reference numerals designate like parts throughout the specification.

The engine room reinforcement structure of the present invention attaches the reinforcement member 300 including the first, second and third reinforcement parts 310, 320, and 330 to the engine room to increase the strength of the engine room, and thus, at the time of frontal collision. It is a technology to increase the safety of the passengers by reducing the amount of jungle of the dash panel 300 by the engine room.

As shown in FIG. 1, the engine room reinforcement structure of the present invention includes an engine therein as the front side member 100, the shock absorber housing 200, the dash panel 300, and the cowl 400 are interconnected. Forming an engine room for mounting, the front side member 100 provided in the vehicle longitudinal direction on the left and right of the front subframe 110 provided in the lower portion, and the front side member 100 is provided on the side The shock absorber housing 200, the dash cross member 310 provided in the vehicle width direction at the rear of the front side member 100, the lower part is connected to the upper dash cross member 310, the side portion of the shock absorber housing And a dash panel 300 connected to the 200 and a cowl 400 provided at an upper portion of the dash panel 300.

The front side member 100, the shock absorber housing 200, the dash panel 300, and the cowl 400 between the increase in the strength of the engine room and at the same time to effectively distribute the impact force to reduce the body invasion amount Reinforcement member 500 is provided.

The reinforcing member 500 is the first side reinforcing portion (100) that is attached to the front side member 100 and the dash cross member 310 is connected to increase the strength of the connection portion of the front side member 100 and the dash cross member 310 ( 510 and the front subframe 110, the front side member 100, the shock absorber housing 200, and the cowl 400 are sequentially attached to the front side member 100, the shock absorber housing 200, and The second reinforcement part 520 which increases the rigidity of the cowl 400 and the shock absorber housing 200 and the panel are connected to the connection part of the dash panel 300, and the shock absorber housing 200 and the dash panel 300 are connected to each other. It includes a third reinforcement 530 to increase the connection rigidity.

The first reinforcement part 510 increases the coupling rigidity of the front side member 100 and the dash cross member 310 and effectively distributes the impact force transmitted from the front side member 100 to the dash cross member 310. It is to be, bent to form a 'b', the inner peripheral surface of the front end is attached to the side member inner of the front side member 100 in close contact, the rear inner peripheral surface to be in close contact with the form surrounding the front and upper and lower surfaces of the dash cross member 310 Attached.

That is, the first reinforcement part 510 is mounted in a form surrounding the inner connection portion of the front side member 100 and the dash cross member 310 to reinforce rigidity, and thus, the front side member 100 when the front collision occurs. The inner connection of the dash cross member 310 is prevented from bending into the engine compartment.

On the other hand, as shown in Figure 2, the portion welded to the flange welded on the upper rear end of the front side member 100, and the thickness of the first reinforcing portion 510 is closely coupled to the cut portion to increase the thickness Therefore, the strength is increased to suppress the amount of deformation.

In other words, the conventional front side member and the dash cross member have a problem in that the bonding strength is greatly reduced by joining by flange welding. In the present invention, the front side member and the dash cross member are coupled to each other, and at the same time, the first reinforcement 510 is coupled again to increase the coupling rigidity, thereby greatly suppressing the deformation amount.

As shown in FIG. 3, the second reinforcement part 520 connects the front subframe mounting bracket 110, the front side member 100, the shock absorber housing 200, and the cowl 400 to increase causticity. At the same time to distribute the impact force throughout the engine room, the front subframe mounting bracket 110, the front side member 100, the shock absorber housing 200 and the cowl 400 is attached to the inner circumferential surface, it is attached to this The strength of the front subframe mounting bracket 110, the front side member 100, the shock absorber housing 200 and the cowl 400 is increased so as not to deform the appearance, thereby preventing deformation of the engine room.

That is, the second reinforcement part 520 is formed in a 'c' cross-sectional shape, both ends of the front subframe mounting bracket 110, the front side member 100, shock absorber housing as shown in Figure 1 The 200 and the cowl 400 are sequentially attached to each other, and thus, the front subframe 110 and the front side of the impact force transmitted from the front side member 100 during the front collision through the second reinforcement 520. The deformation amount is suppressed by dispersing the member 100, the shock absorber housing 200, and the cowl 400.

The third reinforcement part 530 is attached to be connected along the shock absorber housing 200 and the dash panel 300 at the rear of the second reinforcement part 520, and thus the shock absorber housing 200 and the dash panel ( 300) Reinforce the connection rigidity to suppress the deformation amount.

Meanwhile, the lower end of the third reinforcement part 530 is attached to be connected to the upper surface of the first reinforcement part 510, thereby further securing a distribution path of energy.

Therefore, the engine room reinforcement structure of the present invention is the impact force transmitted from the front side member 100 when the front collision is to the reinforcement member 500 including the first, second and third reinforcement parts 510, 520, 530. This is distributed to the front subframe 110, the front side member 100, the shock absorber housing 200 and the cowl 400 to suppress the deformation of the engine room due to the impact force reduction, thereby reducing the amount of intrusion into the cabin Decreases to increase passenger safety.

Meanwhile, as shown in FIG. 4, the brake booster 600 is provided at the rear of the engine room, and the brake booster 600 is formed by moving 30 mm in the vehicle interior direction and 15 mm in the outer side direction. Deformation space is secured between the engine 600 and the engine to prevent the brake booster 600 from being easily deformed by the engine in the event of a collision to prevent intrusion into the vehicle interior.

The scope of the present invention is defined by the appended claims rather than the detailed description and all changes or modifications derived from the meaning and scope of the claims and their equivalents are to be construed as being included within the scope of the present invention do.

100: front side member 200: shock absorber housing
300: Dash Cross Member 400: Cowl
500: reinforcing member 510: first reinforcing portion
520: second reinforcement portion 530: third reinforcement portion
600: brake booster

Claims

A front side member having a front subframe at the bottom, a shock absorber housing provided at the front side member side, a dash cross member provided at the rear of the front side member, a dash panel provided at the upper side of the dash cross member, It includes a cowl provided on the upper dash panel,
Between the front side member, the shock absorber housing, the dash panel and the cowl panel is provided with a reinforcing member for reinforcing strength,
The reinforcing member includes a first reinforcing portion attached to the connection portion of the front side member and the dash cross member,
An engine room reinforcement structure for cutting an inner rear end portion of the front side member by cutting the upper end portion, and closely coupling the front end of the first reinforcement portion to the cut rear end portion.

delete

The method according to claim 1,
The reinforcement member includes an engine substructure, a front side member, a shock absorber housing, and a second reinforcement part that is sequentially attached to the cowl and the cowl housing.

The method according to claim 1,
The reinforcement member includes an engine room reinforcement structure including a third reinforcement part attached to be connected along the connection portion of the shock absorber housing and the dash panel.