JP5029080B2 - Body rocker structure - Google Patents

Description

The present invention relates to a rocker structure for a vehicle body having a closed cross-sectional structure.

  In order to efficiently perform dip coating on a pair of plate-like members that are overlapped and joined without any coating unevenness, a plate-like joined body in which a gap is formed in the overlapping portion of the pair of plate-like members. The structure is known (for example, refer to Patent Document 1).

In this structure, no means for positively pouring the coating agent into the gap between the pair of plate-like members is provided.
JP-A-8-206582

  By the way, in order to reinforce a vehicle body skeleton member such as a rocker having a closed cross-sectional structure, there is a case where the reinforcement member is overlapped and joined to the inner wall of the vertical wall member constituting the side surface of the vehicle body skeleton member. In this case, the antirust treatment liquid must be adhered to the surface of the vertical wall member facing the reinforcing member and the surface of the reinforcing member facing the vertical wall member, and the space between the vertical wall member and the reinforcing member is required. It is necessary to provide a means for positively pouring the rust-proofing solution into

SUMMARY OF THE INVENTION In view of the above, the opposing surfaces of the reinforcing member of the rocker reinforcements, and the vehicle body rocker structure capable of promoting the adhesion of rustproofing liquid to the surface facing the rocker reinforcements of the reinforcing member The purpose is to provide.

The rocker structure for a vehicle body according to claim 1 is a rocker outer panel that forms a lower portion of a cylinder outer panel that forms a side portion of the vehicle body, has a cross-sectional hat shape that opens inward in the vehicle width direction, and has a through hole formed in the lower portion. A rocker inner panel that extends in the vehicle longitudinal direction inside the rocker outer panel in the vehicle width direction and has a cross-sectional hat shape that opens outward in the vehicle width direction and forms a closed cross-sectional structure with the rocker outer panel, and the rocker A rocker inner hose disposed between the inner panel and the rocker outer panel, extending in the vehicle front-rear direction, and having a cross-sectional hat shape opening inward in the vehicle width direction and forming a closed cross-sectional structure with the rocker inner panel When the disposed rocker inner panel and the rocker official cross-section of the closed cross section formed by a hose, to the rocker reinforcements Ne The combined and having a reinforcing member joined in a state in which a gap, and with the inner opening is formed through the reinforcing member, the rocker reinforcements are provided superposed with the inner opening And an outer opening having an upper end position that is offset to the upper side of the vehicle body with respect to the inner opening is formed to penetrate therethrough .

In the rocker structure of the vehicle body according to claim 1 , a closed section structure is formed by the rocker inner panel and the rocker outer panel, and a rocker inner hose disposed between the rocker inner panel and the rocker outer panel, and a rocker inner A closed cross-sectional structure is formed with the panel. In addition, a reinforcing member is disposed in the cross section of the closed cross-sectional structure formed by the rocker inner panel and the rocker inner hose, and the reinforcing member is joined in a state of being superimposed on the rocker inner hose .

A through hole is formed in the lower part of the rocker outer panel, an inner opening is formed in the reinforcing member, and an outer opening is formed in the rocker inhose so as to overlap the inner opening. When the rocker of the vehicle body is immersed in the antirust treatment liquid, the antirust treatment liquid can be poured into the cross section of the rocker of the vehicle body. Further, since the reinforcing member is joined in a state where a gap in the rocker reinforcements, upon immersing the body of the rocker to the rustproofing liquid, antirust treatment liquid in the gap between the reinforcing member and the rocker reinforcements Can be poured.

Here, the upper end position of the outer opening is arranged offset to the upper side of the vehicle body with respect to the inner opening, and a portion of the reinforcing member on the upper side of the vehicle body overlaps the outer opening. For this reason, when the rocker of the vehicle body is immersed in the anti-corrosion treatment liquid, the anti-corrosion treatment liquid hits the site on the upper side of the vehicle body from the inner opening of the reinforcing member and travels through the site to the gap above the vehicle body of the site. Flows in.

That is, the rust preventive liquid is actively poured into the gap above the vehicle body at the upper part of the vehicle body from the inner opening of the reinforcing member and the outer opening. Therefore, in the vehicle body upper side of the inner opening and the outer opening, the opposing surfaces of the reinforcing member of the rocker reinforcements, and adhesion of rustproofing liquid to the surface facing the rocker reinforcements of the reinforcing member is facilitated.

Rocker structure of the vehicle body according to claim 2 is the vehicle body rocker structure according to claim 1, the vehicle body vertical direction central portion of the outer opening, with respect to the vehicle vertical direction central portion of the inner opening It is characterized by being offset from the upper side of the vehicle body.

In the rocker structure of the vehicle body according to the second aspect, the vehicle body vertical direction center portion of the outer opening portion is disposed offset to the vehicle body upper side with respect to the vehicle body vertical direction center portion of the inner opening portion. Accordingly, the area of the portion that is on the upper side of the vehicle body from the inner opening of the reinforcing member and overlaps the outer opening can be increased without enlarging the outer opening and without reducing the inner opening.

Therefore, suppressing a decrease in the strength of the rocker reinforcements, and, while suppressing the influence on the flow of rustproofing liquid to the body of the rocker in cross-section, in a vehicle body upper side of the inner opening and the outer opening, Rokkariin it is possible to accelerate the rustproofing liquid adhering to the surface facing the rocker reinforcements facing surfaces and the reinforcing member and the reinforcing member of the hose.

As described above, according to the present invention, it is possible to accelerate the opposing surface, and adhesion of the rustproofing liquid to the surface facing the rocker reinforcements of reinforcing member and the reinforcing member of the rocker reinforcements A rocker structure for the car body can be provided.

Next, an embodiment of a rocker structure for a vehicle body according to the present invention will be described with reference to FIGS.
In the figure, the arrow FR indicates the vehicle body front direction, the arrow UP indicates the vehicle body upward direction, and the arrow IN indicates the vehicle width inward direction.

  FIG. 1 shows a vehicle body 12 including a closed cross-section structure 10 (see FIG. 2) according to an embodiment of the present invention. As shown in this figure, a side door opening 16 is formed in the outer outer 14 constituting the side of the vehicle body 12. The side door opening 16 includes a front pillar 18 that constitutes an edge on the front side of the vehicle body, a roof side rail 20 that constitutes an edge on the upper side of the vehicle body, a rear pillar 22 that constitutes an edge on the rear side of the vehicle body, and a lower side of the vehicle body It is surrounded by the rocker 26 which comprises the edge part. A front end of a side door (not shown) is connected to the front pillar 18 by a hinge (not shown), and the side door opening 16 can be opened and closed by the side door.

  FIG. 2 is a cross-sectional view of the rocker 26 as viewed from the front-rear direction of the vehicle body. As shown in this figure, the rocker 26 includes a rocker outer panel 24 having a hat-shaped cross section that opens to the inner side in the vehicle width direction and forms the lower part of the outer cylinder panel 14, and extends in the vehicle longitudinal direction on the vehicle width direction inner side of the rocker outer panel 24. The closed cross-section structure 10 is provided.

Closed section structure 10, a cross-sectional hat-shaped rocker inner panel 28 that opens outward in the vehicle width direction, is disposed to the vehicle width direction opening inwardly between the rod Kai N'napaneru 28 and rocker outer panel 24 has a cross-sectional hat-like The rocker in hose 30 is provided.

  The rocker inner panel 28 and the rocker inner hose 30 form a closed cross-section structure by welding flange portions formed at the upper end and the lower end to each other. Further, flange portions formed at the upper and lower ends of the rocker outer panel 24 are welded to the upper and lower flange portions of the rocker-in hose 30, and the closed cross-section structure is also formed by the rocker-in hose 30 and the rocker outer panel 24. In addition, the rocker inner panel 28 and the rocker outer panel 24 also form a closed cross-sectional structure. In addition, an L-shaped reinhose 32 as a reinforcing member having an L-shaped cross section extends along the longitudinal direction of the vehicle body in the cross section of the closed cross-section structure 10.

  As shown in FIGS. 2 and 3, the rocker-in hose 30 includes a vertical wall portion 30A disposed substantially parallel to the vertical direction of the vehicle body, and inwardly and obliquely from the upper end of the vertical wall portion 30A in the vehicle width direction. An upper wall portion 30B extending upward and a lower wall portion 30C extending inward in the vehicle width direction and obliquely downward from the lower end portion of the vertical wall portion 30A are provided.

In addition, the L-shaped reinhose 32 includes a vertical wall portion 32A disposed so as to overlap with the vertical wall portion 30A, and an upper wall portion 32B disposed so as to overlap with the upper wall portion 30B. A plurality of spot welding seat surfaces 32C are formed at predetermined intervals along the longitudinal direction of the vehicle body at the lower end portion of the vertical wall portion 32A, and a plurality of spot welding seats are provided at the upper end portion of the upper wall portion 32B. are formed in predetermined intervals surface 32D along the longitudinal direction of the vehicle body, the bearing surface 32C is welded to the lower end of the vertical wall portion 3 0 a, the seating surface 32D is welded to the upper end of the upper wall 3 0 B Is done.

  Here, the seating surfaces 32C and 32D are formed by press-molding the vertical wall portion 32A and the upper wall portion 32B, whereby a gap O is formed between the L-shaped rein hose 32 and the rocker rein hose 30. Has been.

  As shown in FIG. 2, a plurality of (for example, 7 to 8) holes for rust prevention treatment (hereinafter referred to as ED holes) 34 are provided at the lower portion of the rocker outer panel 24. Are formed at predetermined intervals (for example, 100 mm) along the longitudinal direction of the vehicle body.

  As shown in FIGS. 3 and 4, a plurality of (for example, 7 to 8) ED holes (outside openings) 36 are formed in the vertical wall portion 30 </ b> A at predetermined intervals (for example, the front and rear direction). Further, a plurality of (for example, 7 to 8) ED holes (inner openings) 38 are formed in the vertical wall portion 32A at predetermined intervals (for example, 100 mm) along the vehicle body longitudinal direction. Is formed.

  The ED holes 36 and 38 are circular through holes and are arranged so as to overlap each other when viewed in the vehicle width direction. Here, the ED hole 36 has a larger diameter than the ED hole 38. The center of the ED hole 36 (vertical center) is offset to the upper side of the vehicle body with respect to the center of the ED hole 38 (vertical center), and the upper end position 36H of the ED hole 36 is The upper end position 38H is offset from the upper side of the vehicle body.

  That is, as shown in FIG. 4, the vertical wall portion 32 </ b> A is provided with a superposition portion 32 </ b> D (shown by hatching in the drawing) that is located above the ED hole 38 and overlaps with the ED hole 36. The lower end position 36L of the ED hole 36 is disposed at substantially the same height as the lower end position 38L of the ED hole 38.

  2 and 5, the thickness of the rocker outer panel 24 and the rocker inner panel 28 is shown to be approximately the same as the thickness of the rocker inner hose 30. However, it is thicker than the thickness of the rocker outer panel 24 and the rocker inner panel 28.

  Next, the operation in this embodiment will be described.

  In the rust prevention process performed before the vehicle body 12 is painted, the vehicle body 12 is immersed in a bathtub containing an rust prevention liquid (ED liquid), and the rust prevention liquid is attached to the entire vehicle body 12. Here, the antirust treatment of the rocker 26 will be described.

  As shown in FIG. 5, in the rocker 26, as indicated by an arrow A in the figure, the rust preventive liquid is passed through the ED hole 34 formed in the lower part of the rocker outer panel 24 to form the rocker outer panel 24 and the rocker in hose 30. It flows into the closed cross section between them and adheres to the inner wall of the rocker outer panel 24 and the outer wall of the rocker-in hose 30.

Further, the rust preventive liquid that has flowed into the closed cross section between the rocker outer panel 24 and the rocker-in hose 30 is the ED hole 36 formed in the rocker-in hose 30 and the ED hole 38 formed in the L-shaped reinhose 32. Flows into the closed section of the closed section structure 10 and adheres to the inner wall of the closed section structure 10.

  Further, a part of the antirust treatment liquid that has flowed into the closed cross section between the rocker outer panel 24 and the rocker-in-hose 30 flows into the gap O below the ED holes 36 and 38, and the vertical wall portions 30A and 32A. It adheres to the mutually opposing surfaces of the lower part (under the ED holes 36 and 38).

  Further, a part of the antirust treatment liquid that has flowed into the closed cross section of the closed cross section structure 10 flows into the gap O below the ED holes 36 and 38 along the inner wall of the lower wall portion 30C of the rocker inhose 30. Adhering to the mutually opposing surfaces of the lower portions of the vertical wall portions 30A, 32A (under the ED holes 36, 38).

  Here, the upper end position 36H of the ED hole 36 is disposed offset to the upper side of the vehicle body with respect to the upper end position 38H of the ED hole 38, and the upper portion of the vertical wall portion 32A (the upper side of the ED hole 38) is the ED hole. 36 extends upward from the height where it overlaps with 36. For this reason, the anticorrosive treatment liquid hits the overlapping portion 32D (shown by hatching in FIG. 4) where it overlaps with the ED hole 36 of the vertical wall portion 32A, passes through the overlapping portion 32D, and the gap O above the ED holes 36, 38. To the upper surfaces of the vertical wall portions 30A and 32A (upper sides of the ED holes 36 and 38).

  In other words, the rust preventive liquid is actively poured into the gap O above the ED holes 36 and 38 by the overlapping portion 32D. Therefore, the adhesion (around) of the rust preventive liquid to the surfaces facing each other through the gap O between the rocker-in hose 30 and the L-shaped rein hose 32 is promoted on the upper side of the vehicle body of the ED holes 36 and 38.

  Here, as shown in FIGS. 2 and 4, the center of the ED hole 36 (vertical center) is offset from the center of the ED hole 38 (vertical center) on the upper side of the vehicle body. Thus, the area of the overlapping portion 32D can be increased without increasing the diameter of the ED hole 36 and without reducing the diameter of the ED hole 38. Therefore, while suppressing a decrease in strength of the rocker-in hose 30 which is a strength member, and suppressing an influence on the inflow of the rust preventive liquid into the cross section of the closed cross-section structure 10, On the upper side of the vehicle body, it is possible to promote the adhesion of the anticorrosive treatment liquid to the surfaces facing each other through the gap O between the rocker-in hose 30 and the L-shaped rein hose 32.

  In the present embodiment, the area of the overlapping portion 32D is expanded to the maximum by arranging the lower end position 36L of the ED hole 36 and the lower end position 38L of the ED hole 38 at substantially the same height. As shown in FIG. 6, the lower end position 36L of the ED hole 36 is set to the lower end position 38L of the ED hole 38 only by offsetting the center of the ED hole 36 to the upper side of the vehicle body with respect to the center of the ED hole 38. It may be arranged on the lower side.

  Next, modified examples of the ED holes 36 and 38 will be described. In addition, about an effect, since it is the same as that of the above-mentioned ED holes 36 and 38, description is abbreviate | omitted.

  First, a first modification will be described with reference to FIG. As shown in this figure, in the first modification, the ED holes 36 and 38 are rectangular holes. However, the four corners of the ED holes 36 and 38 are formed in an R shape. The width of the ED hole 36 (length in the longitudinal direction of the vehicle body) is set to be substantially the same as the width of the ED hole 38, and the height of the ED hole 36 (length in the vertical direction of the vehicle body) is set higher than the height of the ED hole 38. The center part in the width direction of the ED hole 36 and the center part in the width direction of the ED hole 38 are overlapped with each other. It is arranged offset on the upper side of the vehicle body.

  That is, the upper end position 36H of the ED hole 36 is offset from the upper end position 38H of the ED hole 38 to the upper side of the vehicle body. The lower end position 36L of the ED hole 36 and the lower end position 38L of the ED hole 38 are disposed at substantially the same height.

  Next, a second modification will be described with reference to FIG. As shown in this figure, in the second modification, the ED holes 36 and 38 are elliptical holes whose longitudinal direction is the longitudinal direction of the vehicle body. The major axis (length in the longitudinal direction of the vehicle body) of the ED hole 36 is set to be longer than the major axis of the ED hole 38, and the minor axis (length in the vehicle body vertical direction) of the ED hole 36 is set to be longer than the minor axis of the ED hole 38. The vertical center of the ED hole 36 is offset from the vertical center of the ED hole 38 toward the upper side of the vehicle body.

  That is, the upper end position 36H of the ED hole 36 is offset from the upper end position 38H of the ED hole 38 to the upper side of the vehicle body. The lower end position 36L of the ED hole 36 and the lower end position 38L of the ED hole 38 are disposed at substantially the same height.

  Next, a third modification will be described with reference to FIG. As shown in this figure, in the third modification, the ED holes 36 and 38 are oval holes whose longitudinal direction is the vertical direction of the vehicle body. The width (length in the vehicle longitudinal direction) of the ED hole 36 is set to be substantially the same as the width of the ED hole 38, and the length in the longitudinal direction (vehicle body vertical length) of the ED hole 36 is the length in the longitudinal direction of the ED hole 38. The width direction center part of the ED hole 36 and the width direction center part of the ED hole 38 are overlapped and arranged. The vertical direction center part of the ED hole 36 is the center of the ED hole 38 in the vertical direction. It is arranged offset to the upper side of the vehicle body with respect to the part.

  That is, the upper end position 36H of the ED hole 36 is offset from the upper end position 38H of the ED hole 38 to the upper side of the vehicle body. The lower end position 36L of the ED hole 36 and the lower end position 38L of the ED hole 38 are disposed at substantially the same height.

Although the present invention has been described in detail with respect to specific embodiments, the present invention is not limited to such embodiments, and various other embodiments are possible within the scope of the present invention. It is clear to the contractor .

It is a perspective view which shows a vehicle body provided with the closed cross-section structure which concerns on one Embodiment of this invention. It is a front sectional view showing a closed section structure concerning one embodiment of the present invention. It is a disassembled perspective view which shows the rocker in hose and L character rein hose with which the closed cross-section structure which concerns on one Embodiment of this invention was equipped. It is a side view which shows the rocker in hose with which the closed cross-section structure which concerns on one Embodiment of this invention was equipped. It is front sectional drawing which shows the state which has given the antirust process to the rocker. It is a side view which shows the modification of ED hole. It is a side view which shows the modification of ED hole. It is a side view which shows the modification of ED hole. It is a side view which shows the modification of ED hole.

Explanation of symbols

12 body
14 Cymen Outer Panel
24 Rocker outer panel
26 Rocker
28 rocker inner panel 30 Rokkariinho scan 32 L shaped reinforce member (reinforcing member)
34 ED hole (through hole)
36 ED hole (outside opening)
38 ED hole (inner opening)
O gap

Claims (2)

A rocker outer panel that forms the lower part of the outer outer panel that forms the side part of the vehicle body, has a cross-sectional hat shape that opens inward in the vehicle width direction, and has a through hole formed in the lower part;
A rocker inner panel that extends in the vehicle longitudinal direction inside the rocker outer panel in the vehicle width direction and has a cross-sectional hat shape that opens outward in the vehicle width direction and forms a closed cross-sectional structure with the rocker outer panel;
A rocker that is disposed between the rocker inner panel and the rocker outer panel, extends in the vehicle front-rear direction, has a cross-sectional hat shape that opens inward in the vehicle width direction, and forms a closed cross-sectional structure with the rocker inner panel Reinhose,
A reinforcing member disposed in a cross-section of a closed cross-sectional structure formed by the rocker inner panel and the rocker inn hose , superimposed on the rocker inn hose and joined in a state of leaving a gap;
An inner opening is formed through the reinforcing member, and the rocker inhose is provided so as to overlap with the inner opening, and an upper end position of the reinforcing member is above the inner opening. A rocker structure for a vehicle body , wherein an outer opening that is arranged offset to is formed through . 2. The vehicle rocker structure according to claim 1, wherein the vehicle body vertical direction center portion of the outer opening portion is disposed offset to the vehicle body upper side with respect to the vehicle body vertical direction center portion of the inner opening portion. .

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