KR101673340B1 - Vehicle body reinforcing structure - Google Patents

Vehicle body reinforcing structure Download PDF

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Publication number
KR101673340B1
KR101673340B1 KR1020150052670A KR20150052670A KR101673340B1 KR 101673340 B1 KR101673340 B1 KR 101673340B1 KR 1020150052670 A KR1020150052670 A KR 1020150052670A KR 20150052670 A KR20150052670 A KR 20150052670A KR 101673340 B1 KR101673340 B1 KR 101673340B1
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KR
South Korea
Prior art keywords
panel
tunnel
reinforcing
joined
dash
Prior art date
Application number
KR1020150052670A
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Korean (ko)
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KR20160122570A (en
Inventor
신성수
김현식
강승민
Original Assignee
현대자동차 주식회사
기아자동차 주식회사
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Priority to KR1020150052670A priority Critical patent/KR101673340B1/en
Publication of KR20160122570A publication Critical patent/KR20160122570A/en
Application granted granted Critical
Publication of KR101673340B1 publication Critical patent/KR101673340B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/08—Front or rear portions
    • B62D25/081—Cowls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/08—Front or rear portions
    • B62D25/082—Engine compartments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2410/00—Constructional features of vehicle sub-units
    • B60Y2410/12—Production or manufacturing of vehicle parts
    • B60Y2410/124—Welded parts

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

A vehicle body reinforcing structure is disclosed. A vehicle body reinforcing structure according to an embodiment of the present invention includes a cowl panel disposed at the front of a vehicle body, a dash panel disposed at a lower portion of the cowl panel, and a vehicle body reinforcing structure for interconnecting a follower panel forming a tunnel portion along a longitudinal direction of the vehicle body A dash cross member joined to a front lower end of the dash panel and a front end of the follower panel; and ii) a junction reinforcement member joining the front end of the tunnel portion and the rear portion of the dash panel And iii) a cowl lower member having one end joined to the cowl panel and the other end joined to the dash cross member, and iv) a reinforcement member extending from the rear of the junction reinforcing member to reinforce the tunnel portion, Contains the tunnel upper member to be joined.

Description

[0001] VEHICLE BODY REINFORCING STRUCTURE [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a vehicle body reinforcing structure, and more particularly, to a vehicle body reinforcing structure capable of dispersing bending and torsional loads generated in T, L, and H axis directions of a vehicle body.

Generally, the front of the vehicle constitutes an engine room, and the engine room is coupled to a front frame.

The lower part of the vehicle is constituted by a center floor panel, and the floor panel is joined to the frame of the vehicle body.

At this time, a dash panel is provided between the front frame and the body frame to divide the engine room and the interior, and prevent the engine or other parts of the engine room from entering the room when the vehicle collides.

At the same time, the dash panel is reinforced with dash cross members to effectively cope with lateral stiffness of the engine room.

The rear panel is provided with a reinforce member on the upper surface of the tunnel portion formed on the follower panel in order to improve the bending stiffness with respect to the load in the forward and backward directions in the event of a vehicle collision.

However, since the conventional dash cross member and the rain force member are disconnected from each other and the bending and torsional load generated in the direction of the T, L, and H axes of the vehicle body are independently dispersed during collision of the vehicle, There are disadvantages.

An embodiment of the present invention provides a vehicle body reinforcing structure capable of improving vehicle body rigidity and improving collision performance of a vehicle by effectively distributing bending and torsional loads generated in the T, L, and H axis directions of the vehicle body when the vehicle is collided do.

A vehicle body reinforcing structure according to one or more embodiments of the present invention includes a cowl panel disposed at the front of a vehicle body, a dash panel disposed at a lower portion of the cowl panel, and a floor panel forming a tunnel portion along the longitudinal direction of the vehicle body A dash cross member joined to a front lower end of the dash panel and a front end of the follower panel; and (ii) a front end of the tunnel portion and a rear portion of the dash panel are joined to each other Iii) a cowl lower member having one end joined to the cowl panel and the other end joined to the dash cross member, and iv) a reinforcement member extending from the rear of the junction reinforcing member and reinforcing the tunnel portion, And a tunnel upper member joined to the tunnel portion.

Further, in the vehicle body reinforcing structure according to the embodiment of the present invention, the dash cross members are formed on both sides of the dash panel along the vehicle width direction so as to be joined to the front lower end of the dash panel and the front end of the follower panel And a dash cross reinforcement surface having a plurality of recesses along the width direction may be formed between the welding ends of the dash panel.

Further, in the vehicle body reinforcing structure according to the embodiment of the present invention, the junction reinforcing member may include a first body portion coupled to the tunnel portion to support the tunnel portion, and a second body portion having one end of the first body portion bent, And a first reinforcing portion joined to the rear side.

Further, in the vehicle body reinforcing structure according to the embodiment of the present invention, a first reinforcing welded end welded to the dash panel may be formed at the rim of the first reinforced portion.

Further, in the vehicle body reinforcing structure according to the embodiment of the present invention, the pair of cowlowner members, one end of the cowl panel in front of the cowl panel and the front of the dash panel, are joined along the garage direction, A cowlower reinforcement surface having a groove is formed between the first cowlour welding ends and the other end can be overlapped with the dash cross member.

Further, in the vehicle body reinforcing structure according to the embodiment of the present invention, the tunnel upper member may be provided with a re-force panel joined to the tunnel portion along the length of the vehicle from behind the junction reinforcing member.

Further, in the vehicle body reinforcing structure according to the embodiment of the present invention, a plurality of reinforcing panel reinforcement surfaces bent and formed on the upper surface of the tunnel portion are formed on the upper end of the rainforest panel, A first panel welding end may be formed along the longitudinal direction of the vehicle.

In addition, in the vehicle body reinforcing structure according to the embodiment of the present invention, the junction reinforcing member is coupled to the tunnel portion to support the tunnel portion, and the second and third side portions, And a second reinforcing portion formed at one end of the second body portion and joined to the rear of the dash panel, wherein the second reinforcing portion has a cowl hole for connecting the rear of the cowl panel and the rear of the dash panel, And the tunnel upper member may be disposed along the longitudinal direction of the vehicle so as to support the tunnel portion at the rear of the second body portion.

In addition, in the vehicle body reinforcing structure according to the embodiment of the present invention, the tunnel upper member may be provided at a rear side of the first and second side portions, along the longitudinal direction of the vehicle to reinforce both side surfaces and the upper surface of the tunnel portion, And the second rainforest panel can be disposed to correspond to each other.

Further, in the vehicle body reinforcement structure according to the embodiment of the present invention, the first and second rainforest panels may be welded to the upper and lower surfaces of the tunnel portion along the longitudinal direction of the vehicle, have.

Further, in the vehicle body reinforcing structure according to the embodiment of the present invention, a second reinforcing welded end may be formed on the rim of the second reinforced portion.

Further, in the vehicle body reinforcing structure according to the embodiment of the present invention, the cowl lower member has one end joined to the rear side of the dash panel along the garage direction, a second cowlower welding end formed on both sides, A cowlour reinforcing surface having a plurality of grooves may be formed between the lower welding ends and the other end may be overlapped with the second reinforcing portion of the junction reinforcing member.

In addition, in the vehicle body reinforcing structure according to the embodiment of the present invention, the junction reinforcing member may include a third body part coupled to the tunnel part to support the tunnel part and having a support groove formed at the center thereof, And a third reinforcing portion formed by folding and folding back the dash panel. A cowl lower member connecting the rear of the cowl panel and the rear of the dash panel is overlaid on one side of the third reinforcing portion, A tunnel upper member may be disposed along the longitudinal direction of the vehicle so as to support the tunnel portion.

Further, in the vehicle body reinforcing structure according to the embodiment of the present invention, a third reinforcing welded end may be formed on the rim of the third reinforced portion.

Further, in the vehicle body reinforcement structure according to the embodiment of the present invention, the tunnel upper member may include a tunnel formed at the center of the upper portion of the tunnel portion so as to be connected to the tunnel portion along the length of the vehicle from the rear of the third body portion, And a rainforest panel having a support groove.

Further, in a vehicle body reinforcing structure according to an embodiment of the present invention, a third panel welded end welded to both sides of the tunnel portion may be formed at both side ends of the rainforest panel.

Further, in the vehicle body reinforcing structure according to the embodiment of the present invention, the cowl lower member has one end joined to the cowl panel at the rear of the dash panel in the garage direction, and the other end overlapped with the third reinforcing portion A third cowlower welding end is formed on the side edge, and a cowlowar reinforcing surface having a groove is formed between the third cowling welding ends.

The embodiment of the present invention effectively disperses the bending and torsional loads generated in the T, L, and H axis directions of the vehicle body through the junction members connecting the cowl panel, the dash panel and the tunnel panel formed on the follower panel of the vehicle body It is possible to improve the rigidity of the vehicle body and improve the collision performance of the vehicle.

These drawings are for the purpose of describing an exemplary embodiment of the present invention, and therefore the technical idea of the present invention should not be construed as being limited to the accompanying drawings.
1 is a plan view showing a state where a vehicle body reinforcing structure according to a first embodiment of the present invention is installed on a vehicle body.
Fig. 2 is a cross-sectional view taken along line A1-A1 and A2-A2 in Fig. 1. Fig.
3 is a plan view showing a state where a vehicle body reinforcing structure according to a second embodiment of the present invention is installed on a vehicle body.
4 is a cross-sectional view taken along lines B1-B1 and B2-B2 in Fig. 3. Fig.
5 is a plan view showing a state where a vehicle body reinforcing structure according to a third embodiment of the present invention is installed on a vehicle body.
6 is a cross-sectional view taken along line C1-C1 and line C2-C2 in FIG.
7 is a side view showing a state in which the vehicle body reinforcing structure according to the embodiments of the present invention disperses the collision energy generated in the front collision of the vehicle.
FIG. 8 is a perspective view showing a state in which the vehicle body reinforcing structure according to the embodiments of the present invention disperses collision energy generated when a vehicle is in a small overlay collision. FIG.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings, which will be readily apparent to those skilled in the art to which the present invention pertains. 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 order to clearly illustrate the present invention, parts not related to the description are omitted, and the same or similar components are denoted by the same reference numerals throughout the specification.

It is to be understood that both the foregoing general description and the following detailed description of the present invention are exemplary and explanatory and are intended to provide further explanation of the invention as claimed.

In the following detailed description, the names of components are categorized into the first, second, and so on in order to distinguish them from each other in the same relationship, and are not necessarily limited to the order in the following description.

Throughout the specification, when an element is referred to as " comprising ", it means that it can include other elements as well, without excluding other elements unless specifically stated otherwise.

It is to be understood that the terms "unit," "means," "portion," "absence," and the like are used herein to refer to a unit of a generic configuration .

In the figure, the T axis means the car length direction, the L axis means the car width direction, and the H axis means the car height direction.

In addition, the T axis is a contact surface perpendicular to or substantially perpendicular to the vehicle longitudinal direction, the L axis is a contact surface perpendicular to or substantially perpendicular to the vehicle width direction, and the H axis is a contact surface perpendicular or substantially perpendicular to the vehicle height direction .

Fig. 1 is a plan view showing a state where a vehicle body reinforcing structure according to a first embodiment of the present invention is installed on a vehicle body, and Fig. 2 is a sectional view taken along line A1-A1 and A2-A2 in Fig.

Referring to FIGS. 1 and 2, a vehicle body reinforcing structure according to an embodiment of the present invention includes a cowl panel 1, a dash panel 3, and a follower panel 5 interconnected to reinforce the vehicle body.

The cowl panel 1 is disposed in the vehicle width direction in front of the vehicle body. The dash panel 3 is disposed at the bottom of the cowl panel 1 and forms an outer appearance of the vehicle side. The floor panel (5) forms a tunnel portion (7) along the longitudinal direction of the vehicle body.

A vehicle body reinforcing structure according to an embodiment of the present invention includes a dash cross member 10, a junction reinforcing member 20, a cowl lower member 30, and a tunnel upper member 40. These components connect the intersections of the cowl panel 1, the dash panel 3 and the tunnel portion 7.

In the embodiment of the present invention, the dash cross member 10 is joined to the front lower end of the dash panel 3 and the front end of the follower panel 5. [

The junction reinforcing member 20 is joined to the intersection between the front end of the tunnel portion 7 and the rear side of the dash panel 3.

One end of the cowl lower member 30 is joined to the cowl panel 1, and the other end thereof is joined to the dash cross member 10.

The tunnel upper member 40 extends from the rear side of the junction reinforcing member 20 and is joined to the tunnel portion 7 along the longitudinal direction of the vehicle. Here, the tunnel upper member 40 functions to reinforce the tunnel portion 7.

1 and 2, in the first embodiment of the vehicle body reinforcing structure of the present invention, the dash cross member 10 is joined to the front lower end of the dash panel 3 and the front end of the follower panel 5 ,

Dash panel welding ends 11a are formed on both sides of the dash cross member 10 along the vehicle width direction.

A dash cross reinforcing face 13a having a plurality of recesses along the width direction is formed between the dash panel welded ends 11a of the dash cross member 10.

The junction reinforcing member 20 includes a first body portion 21a coupled to the tunnel portion 7 and supporting the tunnel portion 7 and a second body portion 21b formed bending from one end of the first body portion 21a, And a first reinforcing portion 23a joined to the rear side of the first reinforcing portion 23a.

A first reinforcing welding end 25a welded to the dash panel 3 is formed at the rim of the first reinforcing portion 23a.

The cowl lower members 30 are formed as a pair and are joined to the front of the cowl panel 1 and the front side of the dash panel 3 along the garage direction, respectively, and are overlapped with the dash cross member 10. On both sides of the cowl lower member 30, a cowl panel 1 and a first cowllower welding end 31a are formed to be joined to the dash panel 3, respectively.

A cowl rear reinforcing surface 33a having a groove recessed forwardly of the vehicle body is formed between the first cowlower welding ends 31a.

The tunnel upper member 40 includes a reinforcement panel 41a which is joined to the tunnel portion 7 along the direction of the vehicle at the rear of the junction strengthening member 20. [

At the upper end of the rainforest panel 41a, a plurality of rainforest panel reinforcement surfaces 43a are formed by bending the upper surface of the tunnel portion 7. On both sides of the rainforest panel 41a, a first panel welding end 45a to be welded to the tunnel portion 7 is disposed along the longitudinal direction of the vehicle.

FIG. 3 is a plan view showing a state where a vehicle body reinforcing structure according to a second embodiment of the present invention is installed on a vehicle body, and FIG. 4 is a sectional view taken along lines B1-B1 and B2-B2 in FIG.

Referring to FIGS. 3 and 4, in the second embodiment of the present invention, the junction reinforcing member 20 is coupled to the tunnel portion 7 to support the tunnel portion 7 thereof.

The juncture reinforcing member 20 includes a second body portion 21b formed at a central portion and divided into first and second side portions 23b and 24b through a partitioning groove 22b.

The second body portion 21b includes a second reinforcing portion 27b having one side bent so as to be joined to the rear of the dash panel 3. [

A cowl lower member 30 for connecting the rear of the cowl panel 1 and the rear of the dash panel 3 is joined to one side of the second reinforced portion 27b in an overlapping manner. A second reinforcing welded end 29b is formed on the rim of the second reinforced portion 27b.

On the rear side of the second body portion 21b, a tunnel upper member 40 is disposed along the longitudinal direction of the vehicle so as to support the tunnel portion 7.

The tunnel upper member 40 is for reinforcing both side surfaces and the upper surface of the tunnel portion 7 from the rear of the first and second side surfaces 23b and 24b of the second body portion 21b.

Accordingly, the tunnel upper member 40 includes first and second rainforest panels 41b and 43b disposed corresponding to each other along the longitudinal direction of the vehicle.

The first and second rainforest panels 41b and 43b are bonded to the upper surface and both side surfaces of the tunnel portion 7, respectively. That is, a second panel welded end 45b is formed along the longitudinal direction of the vehicle at the rim of the first and second rainforest panels 41b and 43b.

The cowl lower members (30) are joined along the garage direction on the rear side of the dash panel (3). That is, the cowl lower member 30 has the second cowlower weld ends 31b formed on both sides thereof and is welded to the rear side of the dash panel 3 through the second cowlower welding end 31b along the garage direction .

A cowlowar reinforcing surface 33b having a plurality of recesses recessed toward the front of the vehicle body is formed between the second cowlower welding ends 31b.

The second cowllow member 30 is overlapped with the second reinforcing portion 27b of the junction reinforcing member 20. [

FIG. 5 is a plan view showing a state where a vehicle body reinforcing structure according to a third embodiment of the present invention is installed on a vehicle body, and FIG. 6 is a sectional view taken along lines C1-C1 and C2-C2 in FIG.

Referring to FIGS. 5 and 6, in the third embodiment of the present invention, the junction reinforcing member 20 is coupled to the tunnel portion 7 to support the tunnel portion 7.

The junction reinforcing member 20 includes a third body portion 21c having a support groove 23c at the center thereof.

The third body part 21c includes a third reinforcing part 25c having one side folded to be joined to the rear side of the dash panel 3. A third reinforcing welded end 27c is formed on the rim of the third reinforced portion 25c.

A cowl lower member 30 is overlaid on one side of the third reinforcing portion 25c to connect the rear side of the cowl panel 1 and the rear side of the dash panel 3. [

A tunnel upper member 40 is disposed along the longitudinal direction of the vehicle so as to support the tunnel portion 7 behind the third body portion 21c.

The tunnel upper member 40 is joined to the tunnel portion 7 along the length of the vehicle from the rear of the third body portion 21c.

The tunnel upper member 40 includes a rainforest panel 41c having a tunnel support groove 43c bent downward from the upper center of the tunnel portion 7 to the lower portion.

The rainforest panels 41c are welded to both sides of the tunnel portion 7, respectively, and third panel welding ends 45c are formed at both ends of the rainforest panel 41c.

The cowl lower member 30 is joined in the garage direction on the rear side of the cowl panel 1 and the dash panel 3. The cowl lower member 30 is overlapped with the third reinforcing portion 25c.

 A third cowlower welding end 31c is formed on both sides of the cowl lower member 30. A cowlowar reinforcing surface 33c having a groove recessed forward of the vehicle body is formed between the third cowllower welding end 31c.

Hereinafter, an operation state in which the collision energy is dispersed when the vehicle collides with a vehicle body reinforcing structure according to the embodiments of the present invention having the above-described structure will be described as follows.

7 is a side view showing a state in which the vehicle body reinforcing structure according to the embodiments of the present invention disperses the collision energy generated in the front collision of the vehicle.

Referring to FIG. 7, at the time of a frontal collision of the vehicle, the impact energy is transmitted to the front of the cowl panel 1 and the dash panel 3.

At this time, the dash cross member 10 and the cowllow member 30 collapse along the transmission direction of the front impact energy, and absorb the collision energy primarily.

The cowl lower member 30 disperses impact energy transmitted from the cowl panel 1 and transmits impact energy to the junction reinforcing member 20 side.

At this time, in the tunnel upper member 40, a repulsive force against forward collision energy is generated, and the repulsive force is transmitted to the junction reinforcing member 20 side.

The junction reinforcing member 20 collapses due to the collision energy transmitted from the dash cross member 10 and the cowl lower member 30 and the repulsive force transmitted from the tunnel upper member 40, .

FIG. 8 is a perspective view showing a state in which the vehicle body reinforcing structure according to the embodiments of the present invention disperses collision energy generated when a vehicle is in a small overlay collision. FIG.

Referring to FIG. 8, the dash cross member 10 and the cowl lower member 30 disperse the bending and torsion generated in the L-axis direction of the vehicle body by the impact energy at the time of a small overlap of the vehicle.

The junction reinforcing member 20 disperses the bending and torsion generated in the H-axis direction of the vehicle body by the impact energy. Further, the tunnel upper member 40 disperses the bending and torsion generated in the T axis direction of the vehicle body by the impact energy.

That is, the dash cross member 10, the junction reinforcing member 20, the cowl lower member 30 and the tunnel upper member 40 are formed in a radial shape in the bending and torsional loads generated in the T, L, The bending and torsional rigidity of the vehicle body can be improved.

The vehicle body reinforcing structure according to the embodiment of the present invention as described so far includes a junction reinforcing member 20 for crossing the cowl panel 1, the dash panel 3 and the tunnel portion 7 of the follower panel 5 in an intersecting manner The bending and torsional load generated in the lateral direction of the vehicle body are effectively dispersed, thereby improving the vehicle body rigidity and improving the collision performance of the vehicle.

While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, And all changes to the scope that are deemed to be valid.

1: Cowl panel
3: Dash panel
5: Floor panel
7: tunnel part
10: Dash cross member
11a: Dash panel welding end
13a: dash cross reinforcement face
20: Junction reinforcement member
21a: first body part
23a: first reinforcing portion
25a: first reinforcing welding step
21b: second body part
22b:
23b: first side portion
24b: second side portion
27b: second reinforcing portion
29b: second reinforcing welding step
21c: third body part
23c: Support groove
25c: third reinforcing portion
27c: third reinforcing welding step
30: Cowlour member
31a: First cowlour welding stage
33a: Cowlore reinforcement face
31b: second cowlower welding stage
33b: Cowlore reinforcement face
31c: Third cowlour welding stage
33c: Cowlore reinforcement face
40: Tunnel Upper Member
41a: Rainforest panel
43a: Reinforced panel reinforcement face
45a: first panel welding end
41b: first rainforest panel
43b: a second rainforest panel
45b: second panel welding end
41c: Rainforth panel
43c: Tunnel support groove
45c: Third panel welding end

Claims (17)

A vehicle body reinforcing structure for interconnecting a cowl panel disposed in front of a vehicle body, a dash panel disposed at a lower portion of the cowl panel, and a follower panel forming a tunnel portion along a longitudinal direction of the vehicle body,
A dash cross member joined to a front lower end of the dash panel and a front end of the follower panel;
A junction reinforcing member joining the front end of the tunnel portion and the intersection of the rear side of the dash panel with each other;
A cowl lower member having one end joined to the cowl panel and the other end joined to the dash cross member; And
A tunnel upper member extending from the rear of the junction reinforcing member and reinforcing the tunnel portion and being joined to the tunnel portion along the longitudinal direction of the vehicle;
/ RTI >
Wherein the cowl lower member is formed with a first cowlower welding end on both sides so that one end thereof is joined to the front of the cowl panel and the front of the dash panel along the garage direction and a cowlower reinforcement having a groove is provided between the first cowllower welding ends And the other end is overlapped with the dash cross member. The method according to claim 1,
The dash cross member
A dash panel welding end is formed on both sides of the dash panel so as to be joined to the front lower end of the dash panel and the front end of the follower panel along the vehicle width direction,
Wherein a dash cross reinforcement surface having a plurality of recesses along a vehicle width direction is formed between the welding ends of the dash panel. The method according to claim 1,
The junction reinforcing member
A first body portion coupled to the tunnel portion to support the tunnel portion; and a first reinforcement portion having one end of the first body portion bent and joined to the rear side of the dash panel. The method of claim 3,
And a first reinforcing welding step welded to the dash panel is formed at an edge of the first reinforcing part. delete The method according to claim 1,
The tunnel upper member
And a reinforcement panel joined to the tunnel portion along the length of the vehicle at the rear of the junction reinforcing member. The method according to claim 6,
At the top of the rainforest panel
A plurality of reinforce panel reinforcement surfaces formed by bending the upper surface of the tunnel portion,
And a first panel welding step is formed on both sides of the tunnel part along the longitudinal direction of the vehicle so as to weld the tunnel part. A vehicle body reinforcing structure for interconnecting a cowl panel disposed in front of a vehicle body, a dash panel disposed at a lower portion of the cowl panel, and a follower panel forming a tunnel portion along a longitudinal direction of the vehicle body,
A dash cross member joined to a front lower end of the dash panel and a front end of the follower panel;
A junction reinforcing member joining the front end of the tunnel portion and the intersection of the rear side of the dash panel with each other;
A cowl lower member having one end joined to the cowl panel and the other end joined to the dash cross member; And
A tunnel upper member extending from the rear of the junction reinforcing member and reinforcing the tunnel portion and being joined to the tunnel portion along the longitudinal direction of the vehicle;
/ RTI >
The juncture reinforcing member includes a second body portion coupled to the tunnel portion and supporting the tunnel portion, and having first and second side portions formed at a central portion thereof through a dividing groove. The first body portion is bent at one end thereof, And a second reinforcing portion joined to the rear of the first reinforcing portion,
A cowl lower member connecting the rear of the cowl panel and the rear of the dash panel is overlapped on one side of the second reinforced portion and a tunnel upper member is formed on the rear side of the second body portion along the longitudinal direction of the vehicle so as to support the tunnel portion Reinforced body structure to be placed. 9. The method of claim 8,
The tunnel upper member
Wherein the first and second reinforcing panels are disposed corresponding to each other along the longitudinal direction of the vehicle so as to reinforce the both side surfaces and the upper surface of the tunnel portion from behind the first and second side surfaces, respectively. 10. The method of claim 9,
The first and second rainforest panels
And a second panel welded end is formed along the longitudinal direction of the vehicle so as to be joined to the upper surface and both side surfaces of the tunnel portion. 9. The method of claim 8,
And a second reinforcing welded end is formed at an edge of the second reinforced portion. 9. The method of claim 8,
The cowlower member
A cowlour reinforcing surface having a plurality of grooves is formed between the welding ends of the second cowllower, and the other end of the cowllow reinforcing surface is formed between the welding ends of the second cowllower, And the second reinforcing portion of the junction reinforcing member. A vehicle body reinforcing structure for interconnecting a cowl panel disposed in front of a vehicle body, a dash panel disposed at a lower portion of the cowl panel, and a follower panel forming a tunnel portion along a longitudinal direction of the vehicle body,
A dash cross member joined to a front lower end of the dash panel and a front end of the follower panel;
A junction reinforcing member joining the front end of the tunnel portion and the intersection of the rear side of the dash panel with each other;
A cowl lower member having one end joined to the cowl panel and the other end joined to the dash cross member; And
A tunnel upper member extending from the rear of the junction reinforcing member and reinforcing the tunnel portion and being joined to the tunnel portion along the longitudinal direction of the vehicle;
/ RTI >
The junction reinforcement member includes a third body portion coupled to the tunnel portion and supporting the tunnel portion and having a support groove formed at the center thereof, and a third reinforcement portion having one side of the third body portion bent and joined to the rear of the dash panel Respectively,
A cowl lower member connecting the rear side of the cowl panel and the rear side of the dash panel is overlapped on one side of the third reinforced portion and a tunnel upper member is formed on the rear side of the third body portion along the longitudinal direction of the vehicle so as to support the tunnel portion Reinforced body structure to be placed. 14. The method of claim 13,
And a third reinforcing welded end is formed at an edge of the third reinforced portion. 14. The method of claim 13,
The tunnel upper member
And a reinforcement panel having a tunnel support groove bent downward from an upper center of the tunnel portion to be connected to the tunnel portion along the length of the vehicle from the rear of the third body portion. 16. The method of claim 15,
And a third panel welding end welded to both sides of the tunnel portion is formed at both ends of the rainforest panel. 14. The method of claim 13,
The cowlower member
A third cowlower welding end is formed at both ends so as to be joined at one end in a garage direction at the rear of the cowl panel and the dash panel and at the other end to overlap with the third reinforcing portion, A vehicle body reinforcing structure in which a cowlour reinforcing surface having a groove is formed.
KR1020150052670A 2015-04-14 2015-04-14 Vehicle body reinforcing structure KR101673340B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020150052670A KR101673340B1 (en) 2015-04-14 2015-04-14 Vehicle body reinforcing structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150052670A KR101673340B1 (en) 2015-04-14 2015-04-14 Vehicle body reinforcing structure

Publications (2)

Publication Number Publication Date
KR20160122570A KR20160122570A (en) 2016-10-24
KR101673340B1 true KR101673340B1 (en) 2016-11-07

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KR20210076649A (en) 2019-12-16 2021-06-24 현대자동차주식회사 Frunk reinforcement support structure of vehicle
US11180196B2 (en) 2019-01-14 2021-11-23 Fca Us Llc Structural joining part for sorb impact events

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KR102440606B1 (en) * 2017-12-15 2022-09-05 현대자동차 주식회사 Front vehicle body reinforcing structure
JP7014038B2 (en) * 2018-04-27 2022-02-01 マツダ株式会社 Vehicle body structure
CN110588552A (en) * 2019-08-07 2019-12-20 武汉格罗夫氢能汽车有限公司 Front wall direct collision force transmission structure of load-bearing carbon fiber hydrogen energy automobile

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Publication number Priority date Publication date Assignee Title
US11180196B2 (en) 2019-01-14 2021-11-23 Fca Us Llc Structural joining part for sorb impact events
KR20210076649A (en) 2019-12-16 2021-06-24 현대자동차주식회사 Frunk reinforcement support structure of vehicle
US11254368B2 (en) 2019-12-16 2022-02-22 Hyundai Motor Company Structure for reinforcing and supporting vehicle frunk

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