JP2010036794A - Roof structure and roof member of automobile - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a roof structure and roof members of an automobile, reducing the kinds of components, reducing the manufacturing cost, and reducing the labor necessary for the management of the components. <P>SOLUTION: The roof structure includes a roof panel 1 having a panel part 2 with its width being gradually increased, and a pair of front and rear roof members 41, 42 stretched over both ends 11 in the vehicle width direction of a panel part 2. An edge 42T in the vehicle width direction of the other roof member 42 is inclined with respect to the vehicle longitudinal direction along an edge 2T in the vehicle width direction of the panel part 2. One roof member 41 formed in the same shape as the other roof member 42 is stretched over both ends 11 in the vehicle width direction of the panel part 2 with the right and left being reversed to those of the other roof member 42. An edge 41T in the vehicle width direction of one roof member 41 is inclined in the opposite direction of that of the edge 2T in the vehicle width direction of the panel part 2 in the vehicle longitudinal direction. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

The present invention
A roof panel having a panel portion that gradually widens, and a pair of front and rear roof members that spans both ends of the panel portion in the vehicle width direction are provided, and both end portions of the panel portion in the vehicle width direction are flanged It is related with the roof structure of the motor vehicle currently formed.

Since the roof panel is formed of a thin steel plate and sufficient surface rigidity cannot be obtained even if a reinforcing bead is formed, a plurality of roof members arranged in the vehicle longitudinal direction at both ends in the vehicle width direction of the roof panel. The surface rigidity is secured by spanning, and this suppresses the generation of beakki, beep, and booming noise.
In the roof structure of an automobile described at the beginning, for example, the panel portion to which the front roof member is joined is wider than the panel portion to which the rear roof member is joined. If the roof member on the side is formed in the same shape, the length of the front roof member with respect to the panel portion is shortened, and the end portion of the front roof member in the vehicle width direction is welded to the flange-shaped end portion of the panel portion. The joint becomes smaller.
Therefore, conventionally, the front roof member is set longer than the rear roof member, so that the welded joint at the end of the front roof member in the vehicle width direction does not become smaller than the flange-shaped end of the panel portion. I was doing.
If the width of the panel part to which the front roof member is joined is the same as the width of the panel part to which the rear roof member is joined, or the difference between the two widths is extremely small, a plurality of roofs Even if the members are formed in the same shape, the length of any roof member with respect to the panel portion is not shortened, and the end portions in the vehicle width direction of both roof members with respect to the flange-shaped end portions of the panel portions are not. The welded joint is not reduced (see Patent Document 1).
JP 2005-96659 A

According to the above conventional structure, the front roof member is set longer than the rear roof member and both are formed in different shapes. Therefore, the number of types of parts increases, and the manufacturing cost increases. It took time and effort to manage.
An object of the present invention is a structure in which a pair of front and rear roof members are bridged between both ends in the vehicle width direction of a panel portion whose width is gradually widened, but the types of parts can be reduced and the manufacturing cost can be reduced. The object is to provide an automobile roof structure and a roof member that can reduce the labor required for managing parts.

The feature of the present invention is that
A roof panel having a panel portion that gradually widens, and a pair of front and rear roof members that spans both ends of the panel portion in the vehicle width direction are provided, and both end portions of the panel portion in the vehicle width direction are flanged The roof structure of an automobile formed in
The edge in the vehicle width direction of the other roof member located on the narrower side of the panel portion than the one roof member is inclined with respect to the vehicle longitudinal direction so as to follow the edge in the vehicle width direction of the panel portion. Let it form,
The one roof member formed in the same shape as the other roof member is bridged between both ends of the panel portion in the vehicle width direction so that the left and right sides of the other roof member are reversed. The edge in the vehicle width direction is inclined in the direction opposite to the edge in the vehicle width direction of the panel portion with respect to the vehicle longitudinal direction. (Claim 1)

According to this configuration,
Since the edge of the other roof member in the vehicle width direction is formed so as to be inclined with respect to the vehicle front-rear direction along the edge of the panel portion in the vehicle width direction, The end edge can be brought close to the end in the vehicle width direction of the panel portion over the entire length of the end edge, and the welded joint of the end in the vehicle width direction of the other roof member to the flange-like end of the panel portion A sufficiently large portion can be secured.
Further, in the above configuration, one roof member formed in the same shape as the other roof member is bridged between both ends of the panel portion in the vehicle width direction so that the other roof member is reversed left and right. The edge in the vehicle width direction is inclined in the direction opposite to the edge in the vehicle width direction of the panel portion with respect to the vehicle longitudinal direction. Therefore, for example, compared with a structure in which one roof member is bridged between both ends in the vehicle width direction of the panel portion without reversing the left and right sides of the other roof member, the one roof member in the vehicle width direction is compared. Of the end edges, the end edge portion closer to the other roof member can be brought closer to the end edge of the panel portion in the vehicle width direction. As a result, it is possible to ensure a sufficiently large welded joint at the end in the vehicle width direction of one roof member with respect to the flange-shaped end of the panel portion.
Thereby, the state of welding joining can be stabilized, the surface rigidity of a roof panel can be ensured with a pair of front and rear roof members, and the generation of beaks, beeps, and booming sounds can be suppressed.
And since the other roof member and the one roof member are formed in the same shape, both roof members can be made common and the kind of components can be reduced. Therefore, erroneous assembly can be avoided, the number of parts management steps can be reduced, and the parts storage space can be reduced. It can also be used in other types of automobiles with similar curvature of the roof panel, and the range of common parts can be expanded. (Claim 1)

In the present invention,
When the edge of the other roof member in the vehicle width direction is overlapped with the edge of the panel portion in the vehicle width direction when viewed from the vertical direction, the length of the other roof member is maximized. It is possible to set the welding joint at the end of the other roof member in the vehicle width direction with respect to the flange-shaped end of the panel. (Claim 2)

In the present invention,
The end portion in the vehicle longitudinal direction center of the other roof member in the vehicle width direction is overlapped and welded to the end in the vehicle width direction of the panel portion from below.
One corner member end portion positioned on the outermost side in the vehicle width direction among the end portions in the vehicle width direction of the one roof member is overlapped and welded to the end portion in the vehicle width direction of the panel portion from below. When joined, the following effects can be achieved. (Claim 3)

  Since the end portion in the vehicle longitudinal direction of the other roof member in the vehicle width direction is overlapped and welded to the end in the vehicle width direction of the panel portion from below, the panel portion It is possible to secure a sufficiently large welded joint with respect to the flange-shaped end of the steel sheet and stabilize the welded joint state. In addition, an end portion on one corner side, which is located on the outermost side in the vehicle width direction among the end portions in the vehicle width direction of the one roof member, is superimposed on the end portion in the vehicle width direction of the panel portion from below. Therefore, the weld joint can be sufficiently large with respect to the flange-shaped end portion of the panel portion, and the weld joint state can be stabilized. (Claim 3)

In the present invention,
An end in the vehicle width direction of the panel portion includes a first vertical wall extending downward from a side portion of the roof panel body, and a first lower wall extending outward in the vehicle width direction from a lower end of the first vertical wall. Configured at the end of the L-shaped cross section,
An end portion on the inner side in the vehicle width direction of the side body outer panel includes a second vertical wall extending downward from the side portion of the side body outer panel main body, and a second lower wall extending inward in the vehicle width direction from the lower end of the second vertical wall. Configured to the end of the L-shaped cross section provided,
The first lower wall is overlapped from above with the ends of the pair of front and rear roof members in the vehicle width direction, and the second lower wall is overlapped from below, and the front and rear are separated by the first lower wall and the second lower wall. A pair of roof members in the vehicle width direction is sandwiched to form a groove, a welding tip is inserted into the groove from above, and the first bottom wall and the pair of front and rear roof members in the vehicle width direction And the second lower wall by welding,
An upper concave portion that is recessed inward in the vehicle width direction and a concave portion that is open outward in the vehicle width direction are formed in the first vertical wall portion on the upper side of the one roof member and the first vertical wall portion on the upper side of the other roof member. When the welding tip is configured to be received in the recess, the following effects can be achieved. (Claim 4)

  The welding tip can be welded and joined in a state in which the welding tip is moved inward in the vehicle width direction and a part of the peripheral portion of the welding tip is located in the recess. Thereby, in spot welding, a spot hitting point can be moved inward in the vehicle width direction. As a result, a sufficiently large welded joint can be secured without extending the end of the panel portion in the vehicle width direction and the end of the roof member in the vehicle width direction more than necessary outward in the vehicle width direction. (Claim 4)

In the present invention,
When the length of the concave portion in the vehicle front-rear direction is set to be longer than the diameter of the welding tip and longer than the depth of the concave portion in the vehicle width direction, a part of the peripheral portion of the welding tip is located in the concave portion. It can be positioned reliably. (Claim 5)

In the present invention,
When the coating sealer is applied from the edge of the first lower wall, which is the edge of the panel portion in the vehicle width direction, to the upper surface of the second lower wall, the following effect can be obtained. it can. (Claim 6)

In the present invention, as described above, a sufficiently large welded joint is ensured without extending the end of the panel portion in the vehicle width direction and the end of the roof member in the vehicle width direction more than necessary. Therefore, the edge of the panel portion in the vehicle width direction, the edge of the roof member in the vehicle width direction, and the second vertical wall at the end of the side body outer panel in the vehicle width direction A sufficient gap can be secured between the two.
As a result, the coating sealer can be sufficiently applied from the outer edge of the first lower wall in the vehicle width direction to the upper surface of the second lower wall, and the edge of the roof member in the vehicle width direction of the side body outer panel It is possible to avoid climbing over the boundary portion (so-called R twist) having a circular arc cross section between the second lower wall and the second vertical wall, and the waterproofness can be improved. (Claim 6)

This second invention
It is a roof member of the roof structure of the motor vehicle as described in any one of Claims 1-6, In the roof structure of the motor vehicle using the roof member of this structure, It is described in any one of Claims 1-6. The same action as that of the automobile roof structure can be achieved. (Claim 7)

According to the present invention,
Although it has a structure in which a pair of front and rear roof members are bridged on both ends in the vehicle width direction of the panel part that gradually expands in width, the type of parts can be reduced and the manufacturing cost can be reduced. An automobile roof structure and a roof member that can reduce the labor for management can be provided.

Hereinafter, the best mode for carrying out the present invention will be described with reference to the drawings.
1 and 5 show the roof structure of an automobile. FIG. 1 is a bottom view of a roof structure of an automobile as viewed from below, and FIG. 5 is an exploded perspective view of the roof structure of the automobile.

  As shown in these figures, the roof structure of the automobile has a roof panel 1 that is long in the vehicle front-rear direction spanned on left and right roof side rails (not shown), and between the joint portions of the roof panel 1 to the center pillar. 1 center roof member 3 spanned between the two and both ends 11 in the vehicle width direction of the front panel portion 2 (hereinafter abbreviated as “panel portion 2”) (both left and right end portions, hereinafter the same). A pair of front roof members 41 and 42, and a single rear roof member 6 spanning both ends of the rear panel portion 5 in the vehicle width direction.

[Structure of roof panel 1]
The roof panel 1 is formed of a thin steel plate and is curved slightly convex upward. Further, an edge 33 on the vehicle front side of the roof panel 1 is formed in an arc shape with a convex vehicle front side Fr, and an end portion 34 on the vehicle rear side is obliquely bent rearward and downward to form a vehicle body panel on the vehicle rear side. It is comprised by the junction part with respect to.

  The width of the panel portion 2 of the roof panel 1 gradually increases toward the vehicle front side Fr. Further, the curvature of the roof panel portion over which the front front roof member 41 (corresponding to one roof member) is bridged and the rear front roof member 42 (corresponding to the other roof member) are bridged. The difference from the curvature of the roof panel portion is small, and the curvatures are close to each other.

  A plurality of long reinforcing ribs 7 along the vehicle front-rear direction are formed on the rear panel portion 5 of the roof panel 1 at predetermined intervals in the vehicle width direction. Each reinforcing rib 7 is formed in an arc shape that is convex upward, and is formed over substantially the entire length of the rear panel portion 5.

  As shown in FIG. 4, the end portion 11 of the roof panel 1 in the vehicle width direction is provided with a stepped first vertical wall 12 extending downward from a side portion of the roof panel main body 35 and a lower end of the first vertical wall 12. It is comprised in the edge part of the L-shaped cross section provided with the flange-shaped 1st lower wall 13 extended in the width direction outer side W2. The first lower wall 13 is joined to the end 16 of the side body outer panel 30 on the inner side W1 in the vehicle width direction. The joint structure between the first lower wall 13 and the end 16 of the side body outer panel 30 on the inner side W1 in the vehicle width direction will be described in detail later.

  The surface rigidity of the roof panel 1 is secured by the center roof member 3, the front roof members 41 and 42, and the rear roof member 6, thereby preventing buckling (displacement jump of roof vibration) and Suppresses the occurrence of sticky, beeping and booming sounds. The center roof member 3 is formed in a band shape with high-strength steel, and the front roof members 41 and 42 and the rear roof member 6 are each formed in a band shape with a thin steel plate.

[Structure of Center Roof Member 3, Front Roof Members 41, 42, and Rear Roof Member 6]
Both ends of the center roof member 3, the front roof members 41, 42 and the rear roof member 6 in the vehicle width direction are formed in a flange shape, and both end portions of the flange shape are the first end portions 11 of the roof panel 1 in the vehicle width direction. 1 The lower wall 13 is welded separately from the lower side. The center roof member 3 is formed to have the same width over the entire length, but both end portions in the vehicle width direction of the front roof members 41 and 42 and the rear roof member 6 are formed wider than the member portions between the both end portions. .

  A portion between both end portions in the vehicle width direction of each member 3, 41, 42, 6 is slightly curved upward and corresponding to the roof panel 1, and a portion between both end portions in the vehicle width direction and the roof panel 1 is A space is formed between the lower surface. Further, the center roof member 3, the front roof members 41, 42, and the rear roof member 6 are provided with a plurality of reinforcing ribs 50 having an arcuate cross section that protrudes upward along the longitudinal direction (vehicle width direction). The members 3, 41, 42, and 6 are formed over almost the entire length with a space therebetween.

[Structure of front roof members 41 and 42]
As shown in FIGS. 1 and 2, both end edges 42 </ b> T in the vehicle width direction of the front roof member 42 on the rear side located on the narrower side (vehicle rear side) of the panel portion 2 than the front roof member 41 on the front side, The panel portion 2 is formed so as to be inclined with respect to the vehicle front-rear direction so as to extend along both end edges 2T in the vehicle width direction. That is, both end edges 42T of the rear side front roof member 42 in the vehicle width direction are inclined so that the vehicle front side Fr is positioned on the outer side W2 in the vehicle width direction. Further, both end edges 42T in the vehicle width direction of the front roof member 42 on the rear side as viewed from the top and bottom directions are overlapped with both end edges 2T in the vehicle width direction of the panel portion 2 respectively.

  Further, the front-side front roof member 41 formed in the same shape as the rear-side front roof member 42 is mounted on both end portions 11 of the panel portion 2 in the vehicle width direction so that the left-right side of the rear-side front roof member 42 is reversed. Passed. As a result, the one end edge 41T in the vehicle width direction of the front front roof member 41 is inclined in the direction opposite to the one end edge 2T in the vehicle width direction of the panel portion 2 with respect to the vehicle front-rear direction. The other end edge 41T in the vehicle width direction is inclined in the direction opposite to the other end edge 2T in the vehicle width direction of the panel portion 2 with respect to the vehicle longitudinal direction. That is, both end edges 41T in the vehicle width direction of the front roof member 41 on the front side are inclined so as to be positioned on the outer side W2 in the vehicle width direction toward the rear side of the vehicle.

  As shown in FIGS. 2 and 4, the end portion 42 </ b> A <b> 1 at the center in the vehicle front-rear direction of the one end portion 42 </ b> A in the vehicle width direction of the front roof member 42 on the rear side is connected to the one end portion 11 in the vehicle width direction of the panel portion 2. The first lower wall 13 is overlapped and welded from below, and the other end portion 42A in the vehicle width direction of the front roof member 42 on the rear side is connected to the end portion 42A1 at the center in the vehicle front-rear direction. It overlaps and welds to the 1st lower wall 13 of the other end part 11 of the width direction from the lower side.

Further, the end portion 41A1 on one corner side (the end portion on the corner side on the vehicle rear side) located on the outermost side W2 in the vehicle width direction among the one end portion 41A in the vehicle width direction of the front roof member 41 on the front side, The first lower wall 13 of the one end 11 in the vehicle width direction of the panel portion 2 is overlapped and welded from the lower side, and the outermost end in the vehicle width direction of the other end portion 41A in the vehicle width direction of the front roof member 41 on the front side. One corner side end portion 41A1 (corner side end portion on the vehicle rear side) located at W2 is overlapped with the first lower wall 13 of the other end portion 11 of the panel portion 2 in the vehicle width direction from below. They are welded together.
Next, the structure of the above welded joint will be described in more detail.

[Joint structure of roof panel 1, side body outer panel 30, and front roof members 41, 42]
As shown in FIG. 4, the ends 16 of the left and right side body outer panels 30 on the inner side W <b> 1 in the vehicle width direction are provided with stepped second vertical walls 32 extending downward from the side body outer panel main body 38 and the second vertical walls 32. It is comprised in the edge part of the L-shaped cross section provided with the 2nd lower wall 31 extended in the vehicle width direction inside W1 from a lower end.

  Then, the first lower wall 13 is overlapped with the end portions 41A, 42A in the vehicle width direction of the pair of front and rear front roof members 41, 42 from the upper side, and the second lower wall 31 is overlapped with the lower side, so that the first lower wall 13 and the second lower wall 31 sandwich the ends 41A, 42A in the vehicle width direction of the pair of front and rear front roof members 41, 42 to form a groove 29, and insert a welding tip T into the groove 29 from above. The first lower wall 13, end portions 41 </ b> A and 42 </ b> A in the vehicle width direction of the pair of front and rear front roof members 41 and 42, and the second lower wall 31 are spot welded.

  The edge 2T on the vehicle width direction outer side W2 of the first lower wall 13, the vehicle width direction edges 41T and 42T of the pair of front and rear front roof members 41 and 42, and the second vertical wall 32 of the side body outer panel 30 A gap is formed between them. The tip of the coating tool is inserted into this gap, and extends from the edge of the outer side W2 of the first lower wall 13 that is the edge 2T of the panel part 2 in the vehicle width direction to the upper surface 31J of the second lower wall 31. A coating sealer 51 is applied.

  An edge 41T in the vehicle width direction of the front roof member 41 on the front side is an inner edge W1 in the vehicle width direction than an edge of the outer side W2 in the vehicle width direction of the first lower wall 13 which is an edge 2T in the vehicle width direction of the panel portion 2. Is located. Thereby, the coating defect by the front-end | tip of the sealer applicator contacting the edge 41T of the front-side front roof member 41 in the vehicle width direction can be avoided.

  The first vertical wall portion on the upper side of the front roof member 41 on the front side and the first vertical wall portion on the upper side of the front roof member 42 on the rear side are opened on the upper side and on the outer side in the vehicle width direction. A recess 46 is formed so that the welding tip T can be received in the recess 46. And the length in the vehicle front-back direction of the recessed part 46 is set longer than the diameter of the front-end | tip part of the welding tip T, and longer than the depth in the vehicle width direction of the said recessed part 50. FIG.

  As a result, the welding tip T can be brought closer to the inner side W1 in the vehicle width direction in the groove 29 and welded and joined with a part of the peripheral portion of the welding tip T positioned in the recess 46. The hitting point can be brought closer to the inner side W1 in the vehicle width direction.

Bottom view of the roof structure of an automobile as seen from below Enlarged view of part A and part B in FIG. Perspective view of the main part of the roof panel Longitudinal sectional view of the joint of the roof panel, side body outer panel and roof member Exploded perspective view of automobile roof structure

Explanation of symbols

1 Roof panel 2 Panel part 2T Edge of the panel part in the vehicle width direction (end edge of the first lower wall in the vehicle width direction)
11 End of the panel in the vehicle width direction (End of the roof panel in the vehicle width direction)
12 1st vertical wall 13 1st lower wall 16 End 29 inside the vehicle width direction of a side body outer panel Groove part 30 Side body outer panel 31 2nd lower wall 31J Upper surface of 2nd lower wall 32 2nd vertical wall 35 Roof panel main body 38 Side body outer panel body 41 One roof member (front roof member on the front side)
41A One roof member end 41A1 in the vehicle width direction One corner end portion 41T located on the outermost side in the vehicle width direction One roof member end 42 in the vehicle width direction The other roof member (rear side) Front roof member)
42A End 42A1 in the vehicle width direction of the other roof member 42T1 End portion 42T in the vehicle longitudinal direction Center edge 46 in the vehicle width direction of the other roof member Recess 51 Paint sealer T Welding tip W1 W2 inward in the vehicle width direction W2 in the vehicle width direction Outside

Claims (7)

A roof panel having a panel portion that gradually widens, and a pair of front and rear roof members that spans both ends of the panel portion in the vehicle width direction are provided, and both end portions of the panel portion in the vehicle width direction are flanged The roof structure of an automobile formed in
The edge in the vehicle width direction of the other roof member located on the narrower side of the panel portion than the one roof member is inclined with respect to the vehicle longitudinal direction so as to follow the edge in the vehicle width direction of the panel portion. Let it form,
The one roof member formed in the same shape as the other roof member is bridged between both ends of the panel portion in the vehicle width direction so that the left and right sides of the other roof member are reversed. An automobile roof structure in which an edge in a vehicle width direction is inclined in a direction opposite to an edge in a vehicle width direction of the panel portion with respect to a vehicle longitudinal direction.   The automobile roof structure according to claim 1, wherein an edge of the other roof member in the vehicle width direction is overlapped with an edge of the panel portion in the vehicle width direction when viewed from the vertical direction. The end portion in the vehicle longitudinal direction center of the other roof member in the vehicle width direction is overlapped and welded to the end in the vehicle width direction of the panel portion from below.
One corner member end portion positioned on the outermost side in the vehicle width direction among the end portions in the vehicle width direction of the one roof member is overlapped and welded to the end portion in the vehicle width direction of the panel portion from below. The automobile roof structure according to claim 1 or 2, wherein the roof structure is joined. An end in the vehicle width direction of the panel portion includes a first vertical wall extending downward from a side portion of the roof panel body, and a first lower wall extending outward in the vehicle width direction from a lower end of the first vertical wall. Configured at the end of the L-shaped cross section,
An end portion on the inner side in the vehicle width direction of the side body outer panel includes a second vertical wall extending downward from the side portion of the side body outer panel main body, and a second lower wall extending inward in the vehicle width direction from the lower end of the second vertical wall. Configured to the end of the L-shaped cross section provided,
The first lower wall is overlapped from above with the ends of the pair of front and rear roof members in the vehicle width direction, and the second lower wall is overlapped from below, and the front and rear are separated by the first lower wall and the second lower wall. A pair of roof members in the vehicle width direction is sandwiched to form a groove, a welding tip is inserted into the groove from above, and the first bottom wall and the pair of front and rear roof members in the vehicle width direction And the second lower wall by welding,
An upper concave portion that is recessed inward in the vehicle width direction and a concave portion that is open outward in the vehicle width direction are formed in the first vertical wall portion on the upper side of the one roof member and the first vertical wall portion on the upper side of the other roof member. The automobile roof structure according to claim 1, wherein the welding tip is configured to be received in the recess.   5. The automobile roof structure according to claim 4, wherein a length of the concave portion in the vehicle front-rear direction is set longer than a diameter of the welding tip and longer than a depth of the concave portion in the vehicle width direction.   The automobile sealer according to claim 4 or 5, wherein a coating sealer is applied from the edge of the first lower wall, which is the edge of the panel portion in the vehicle width direction, to the upper surface of the second lower wall. Roof structure.   The roof member of the roof structure of the motor vehicle as described in any one of Claims 1-6.

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