Front vehicle body reinforcing structure

1. A front vehicle body reinforcing structure in which a shock absorber housing, a fender apron upper member, a fender apron member, and a front side member are disposed, wherein

the front side member includes:

an inner member forming a basic frame of a vehicle body extending in a length direction of the vehicle body;

a front outer member disposed more outwardly than the inner member in a width direction of the vehicle body, disposed at a more frontal position than the fender apron member connected to the front side member, and forming a three-dimensional box structure by coupling with the inner member; and

a rear outer member disposed more outwardly than the inner member in the width direction of the vehicle body, disposed in a more rearward position than the fender apron member connected to the front side member, and forming a three-dimensional box structure by coupling with the inner member, and

the fender apron member includes:

a base member forming a basic frame connecting the inner member and the fender apron upper member;

a front member disposed more outwardly than the base member in the width direction of the vehicle body, and connected to a front end of the base member, a rear end of the front outer member, and the fender apron upper member;

a rear member disposed more outwardly than the base member in the width direction of the vehicle body, and connected to a rear end of the base member, the front end of the rear outer member, and the fender apron upper member; and

a cover member disposed more outwardly than the front member and the rear member in the width direction of the vehicle body, and connected to the front member, the rear member, the inner member, and the fender apron upper member,

wherein the front member and the rear member are inserted into a three-dimensional box structure of the front side member so as to be connected to an outer surface of the inner member in the width direction of the vehicle body.

2. The front vehicle body reinforcing structure of claim 1 , wherein

the cover member covers a space between the front member and the rear member.

3. The front vehicle body reinforcing structure of claim 2 , wherein

the base member, the front member, the rear member, and the cover member form a three-dimensional box structure.

4. The front vehicle body reinforcing structure of claim 1 , wherein

a front end of some portions of the front member connected to an outer surface of the inner member is welded to the outer surface of the inner member.

5. The front vehicle body reinforcing structure of claim 1 , wherein

a rear end of the front outer member is welded to the front member, and upper and lower ends thereof are welded to the inner member.

6. The front vehicle body reinforcing structure of claim 1 , wherein

a rear end of some portions of the front member connected to the outer surface of the inner member is welded to the outer surface of the inner member.

7. The front vehicle body reinforcing structure of claim 1 , wherein

a rear end of some portions of the rear member connected to the outer surface of the inner member is welded to the outer surface of the inner member.

8. The front vehicle body reinforcing structure of claim 1 , wherein

a front end of the rear outer member is welded to the rear member, and upper and lower ends thereof are welded to the inner member.

9. The front vehicle body reinforcing structure of claim 1 , wherein

a front end of the cover member is welded to the front member, a rear end thereof is welded to the rear member, an upper end thereof is welded to the fender apron upper member, and a lower end thereof is welded to the inner member.

10. The front vehicle body reinforcing structure of claim 1 , wherein

welding between the front end of some portions of the front member connected to the outer surface of the inner member and the outer surface of the inner member,

welding for coupling the rear end of the front outer member to the front member and coupling the upper and lower ends of the front outer member to the inner member,

welding for coupling the rear end of some portions of the front member connected to the outer surface of the inner member to the outer surface of the inner member,

welding for coupling the rear end of some portions of the rear member connected to the outer surface of the inner member to the outer surface of the inner member,

welding for coupling the front end of the rear outer member to the rear member and coupling the upper and lower ends of the rear outer member to the inner member, and

welding for coupling the front end of the cover member to the front member, coupling the rear end of the cover member to the rear member, coupling the upper end of the cover member to the fender apron upper member, and coupling the lower end of the cover member to the inner member, are sequentially performed.

11. A front vehicle body reinforcing structure, comprising:

a shock absorber housing;

a fender apron upper member connected to an upper end of an outer surface of the shock absorber housing in a width direction of the vehicle body;

a front side member disposed inwardly in the width direction of the vehicle body at a lower portion of the fender apron upper member, and connected to a lower end of an inner surface of the shock absorber housing in the width direction of the vehicle body; and

a fender apron member connecting the front side member and the fender apron upper member,

wherein the front side member and the fender apron member form a three-dimensional box structure, and the fender apron member is inserted into the front side member.

12. The front vehicle body reinforcing structure of claim 11 , wherein

the front side member includes:

an inner member forming a basic frame of a vehicle body extending in a length direction of the vehicle body;

a front outer member disposed more outwardly than the inner member in the width direction of the vehicle body, disposed at a more frontal position than the fender apron member connected to the front side member, and coupled with the inner member; and

a rear outer member disposed more outwardly than the inner member in the width direction of the vehicle body, disposed in a more rearward position than the fender apron member connected to the front side member, and coupled with the inner member,

the fender apron member includes:

a base member forming a basic frame connecting the inner member and the fender apron upper member;

a front member disposed more outwardly than the base member in the width direction of the vehicle body, connected to a front end of the base member, a rear end of the front outer member, and the fender apron upper member, and inserted into the three-dimensional box structure of the front side member so as to be connected to an outer surface of the inner member in the width direction of the vehicle body;

a rear member disposed more outwardly than the base member in the width direction of the vehicle body, connected to a rear end of the base member, the front end of the rear outer member, and the fender apron upper member, and inserted into the three-dimensional box structure of the front side member so as to be connected to the outer surface of the inner member in the width direction of the vehicle body; and

a cover member disposed more outwardly than the front member and the rear member in the width direction of the vehicle body, and connected to the front member, the rear member, the inner member, and the fender apron upper member.