JP5853736B2 - Panel joint structure - Google Patents

Description

  The present invention relates to a panel joining structure.

  2. Description of the Related Art Conventionally, a vehicle body joining method is known in which flanges formed on a pair of panels are joined by an adhesive and spot welding (see, for example, Patent Document 1).

JP-A-2-211986

  However, the method described in Patent Document 1 has the following disadvantages. That is, the adhesive is crushed by the pressure of the spot gun at each peripheral portion of the plurality of welded portions by spot welding and spreads over the entire short direction of the flange, but between each of the plurality of welded portions, Since the gun pressure does not act or is low, the adhesive is difficult to spread.

  As a result, a recess (that is, a portion where the adhesive does not spread to both ends in the short direction of the pair of flanges) may be formed between the plurality of welds in the adhesive. The recesses may become air pockets (air pools) at the time of electrodeposition coating, and may hinder the spread of the paint inside.

  Further, in this type of panel joining structure, it is desirable to ensure the rigidity of the member formed by the pair of panels.

  The present invention has been made in view of the above-mentioned problems, and the purpose thereof is to spread the paint in the recesses formed in the adhesive between each of the plurality of welds during electrodeposition coating. An object of the present invention is to provide a panel joining structure capable of ensuring the rigidity of a member constituted by a pair of panels.

In order to solve the above-mentioned problem, the panel joining structure according to claim 1 includes a pair of flanges formed in a long shape in each of the pair of panels, and the pair of flanges between the pair of flanges. An adhesive that is interposed from one end side to the other end side in the longitudinal direction and bonds the pair of flanges, and a spot that is formed on the pair of flanges with a space therebetween in the longitudinal direction to join the pair of flanges A plurality of welded portions formed by welding and a central portion between each of the plurality of welded portions in at least one of the pair of flanges and projecting to the opposite side of the other flange and the pair An inner passage that penetrates in a short direction of the flange of the flange, and a recess formed in the adhesive between each of the plurality of welds through the inner passage. A bead that is opened at both ends in the short-side direction, a panel portion that is bent with respect to at least one of the pair of flanges, and a connection portion between any of the flanges in the panel portion; A ridge line portion formed between the opposite end portions and extending along the longitudinal direction of the pair of flanges.

  According to this panel joining structure, at least one of the pair of flanges is formed with a bead that protrudes on the opposite side of the other flange between each of the plurality of welds. The inside of the bead is an inner passage, and the inner passage is penetrated in the short direction of the pair of flanges.

  Therefore, even when a concave portion (that is, a portion where the adhesive does not spread to both ends in the short direction of the pair of flanges) is formed between the plurality of welds, the concave portion serves as an inner passage of the bead. Are opened to both ends of the pair of flanges in the short direction. Thereby, when the coating material enters the recess during electrodeposition coating, air can be discharged from the recess through the inner passage of the bead, so that the recess can be prevented from becoming an air pocket. As a result, the paint can be spread over the recesses.

  In addition, the panel portion formed by bending with respect to at least one of the pair of flanges has a pair of flanges between a connection portion with one of the flanges and an end portion on the opposite side. A ridge line portion extending along the longitudinal direction is formed. Therefore, since the rigidity reduced by the bead can be compensated by the ridge line portion, the rigidity of the member constituted by the pair of panels can be ensured.

  The panel joint structure according to claim 2 is the panel joint structure according to claim 1, wherein the panel portion in which the ridge line portion is formed is a flange in which the bead is formed in the pair of flanges. On the other hand, it is configured to be bent.

  According to the joining structure of this panel, the panel part in which the ridge line part is formed is formed by bending with respect to the flange in which the bead is formed among the pair of flanges, and the ridge line part and the bead are formed in the same panel. Is formed. Therefore, the rigidity reduced by the bead can be more effectively supplemented by the ridge line portion.

  The panel joint structure according to claim 3 is the panel joint structure according to claim 1 or 2, wherein the panel portion includes a connection portion with one of the flanges and an end portion on the opposite side. A bent portion having an L-shaped cross section is formed between the pair of ridge lines.

  According to this panel joining structure, a pair of ridge lines are formed by forming a bent portion having an L-shaped cross section in the panel portion. Therefore, one panel can be easily molded, and the rigidity of the member constituted by the pair of panels can be improved.

  The panel joint structure according to claim 4 is the panel joint structure according to any one of claims 1 to 3, and includes a wire harness arranged along the ridge line portion.

  When a reinforcing material is joined to a pair of panels and reinforced, if the wire harness is disposed in the vicinity of the welded portion of the reinforcing material, the wire harness may be damaged by burrs or the like of the welded portion. Therefore, in this case, it is necessary to cover the wire harness with a covering material.

  However, according to the joining structure of the panel, the rigidity reduced by the bead as described above can be compensated by the ridge line portion, so that it is not necessary to add a reinforcing material. Therefore, if a wire harness is arrange | positioned along a ridgeline part, the coating | covering material for covering a wire harness can be made unnecessary.

  As described above in detail, according to the present invention, at the time of electrodeposition coating, the paint can be spread over the recesses formed in the adhesive between each of the plurality of welded portions, and is configured by a pair of panels. It is possible to ensure the rigidity of the member.

1 is a perspective view of a vehicle body member to which a panel joining structure according to an embodiment of the present invention is applied. It is a principal part expansion perspective view of FIG. FIG. 2 is an enlarged cross-sectional view of a main part taken along line F3-F3 in FIG.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

  In each figure, an arrow UP, an arrow OUT, and an arrow FR indicate the vehicle vertical direction upper side, the vehicle width direction outer side, and the vehicle front-rear direction front side, respectively.

  The vehicle body member 12 shown in FIG. 1 is, for example, a rocker disposed on the vehicle lower side of the side door, and is formed in a long shape.

  The vehicle body member 12 has a configuration to which the panel joining structure 10 according to an embodiment of the present invention is applied, and has a pair of metal panels 14 and 16 divided in the vehicle width direction. . The vehicle body member 12 is formed vertically symmetrical about the central portion in the vehicle vertical direction.

  The pair of panels 14 and 16 are each formed such that a cross section viewed from the front side of the vehicle has a substantially hat shape. That is, one panel 14 is a side wall that connects a pair of upper and lower panel portions 18 (upper wall portion and lower wall portion) that are separated in the vehicle vertical direction and an end portion on the inner side in the vehicle width direction of the pair of upper and lower panel portions 18. Part 20 (inner wall part), and a pair of upper and lower flanges 22 extending from the vehicle width direction outer end of the pair of upper and lower panel parts 18 toward the vehicle upper side and the lower side, respectively. Further, the pair of upper and lower panel portions 18 are formed to be bent inward in the vehicle width direction with respect to the flanges 22.

  Similarly, the other panel 16 connects a pair of upper and lower panel portions 28 (an upper wall portion and a lower wall portion) that are spaced apart in the vehicle vertical direction and an end portion on the vehicle width direction outer side of the pair of upper and lower panel portions 28. It has a side wall part 30 (outer wall part) and a pair of upper and lower flanges 32 respectively extending from the inner end in the vehicle width direction of the pair of upper and lower panel parts 28 toward the vehicle upper side and the lower side. Further, the pair of upper and lower panel portions 28 are formed to be bent outward in the vehicle width direction with respect to each flange 32.

  The flange 22 and the flange 32 are each formed in an elongated shape along the longitudinal direction of the vehicle body member 12 and are opposed to each other in the vehicle width direction. The pair of opposing flanges 22 and 32 have the longitudinal direction of the vehicle as the longitudinal direction and the short direction as the vertical direction of the vehicle. The direction perpendicular to the longitudinal direction and the short direction is the thickness direction of the pair of flanges 22 and 32.

  Between the pair of flanges 22 and 32, an adhesive 38 is continuously interposed from one end side to the other end side in the longitudinal direction of the pair of flanges 22 and 32, and the pair of flanges 22 and 32. Are adhered by the adhesive 38. The pair of flanges 22 and 32 are formed with a plurality of welded portions 40 by spot welding at intervals in the longitudinal direction, and the pair of flanges 22 and 32 are coupled to each other in the plurality of welded portions 40. Has been.

  It should be noted that the adhesive 38 is crushed by the pressure of the pair of spot guns at the time of spot welding in each peripheral portion of the plurality of welded portions 40 by spot welding and spreads over substantially the entire short direction of the pair of flanges 22 and 32. ing. However, since the pressure of the pair of spot guns does not act or is low between each of the plurality of welds 40, the adhesive 38 is difficult to spread. Therefore, recesses 46 and 48 (that is, portions where the adhesive 38 does not reach both ends in the short direction of the pair of flanges 22 and 32) are formed in the adhesive 38 between each of the plurality of welds 40. ing.

  Further, a bead 54 is formed between each of the plurality of welded portions 40 on one flange 22 of the pair of flanges 22 and 32. As shown in FIG. 2, the bead 54 is convex on the opposite side to the other flange 32, and extends from one end portion in the short side direction to the other end portion of the one flange 22.

  The inside of the bead 54 is an inner passage 56 that extends from one end of the flange 22 in the short direction to the other end. The inner passage 56 is penetrated in the short direction of the pair of flanges 22 and 32. The recesses 46 and 48 described above are opened to both ends of the pair of flanges 22 and 32 in the short direction by the inner passage 56.

  Further, as shown in FIG. 3, the panel portion 18 has an L-shaped cross section having a vertical wall portion 66 and a bottom wall portion 68 between a connection portion 62 to the flange 22 and an end portion 64 on the opposite side. A bent portion 70 is formed. The panel portion 18 has a pair of ridge lines 72 formed by the bent portion 70. That is, one ridge line portion 72 is formed at a connection portion between the vertical wall portion 66 and the bottom wall portion 68, and the other ridge line portion 72 is an end portion on the opposite side of the bottom wall portion 68 in the vertical wall portion 66. Is formed. As shown in FIG. 1, the pair of ridge lines 72 extend along the longitudinal direction of the pair of flanges 22 and 32.

  As an example, a wire harness 74 is provided on the inner side in the vehicle width direction of the vehicle body member 12 that is a rocker. The wire harness 74 is disposed along a pair of ridge lines 72 formed in the panel 18 on the vehicle upper side of the pair of upper and lower panel portions 18.

  Next, the operation and effect of one embodiment of the present invention will be described.

  According to this panel joining structure 10, one flange 22 has a convex portion on the opposite side to the other flange 32 between each of the plurality of welds 40, and the one flange 22 has a short direction. A bead 54 extending from one end to the other end is formed. The inside of the bead 54 is an inner passage 56, and the inner passage 56 is penetrated in the short direction of the pair of flanges 22 and 32.

  Accordingly, when the concave portions 46 and 48 (that is, the portions where the adhesive 38 does not reach both ends in the short direction of the pair of flanges 22 and 32) are formed in the adhesive 38 between each of the plurality of welds 40. However, the recesses 46 and 48 are opened to both ends of the pair of flanges 22 and 32 in the short direction through the inner passage 56 of the bead 54.

  As a result, air can be discharged from the recesses 46 and 48 through the inner passage 56 of the bead 54 when the paint enters the recesses 46 and 48 during electrodeposition coating, so that the recesses 46 and 48 become air pockets. Can be suppressed. As a result, the paint can be spread over the recesses 46 and 48.

  In addition, the panel portion 18 formed by bending with respect to one flange 22 has a pair of flanges 22 and 32 between the connection portion 62 with the one flange 22 and the end portion 64 on the opposite side. The ridgeline part 72 extended along the longitudinal direction of is formed. Therefore, the rigidity reduced by the bead 54 can be compensated by the ridgeline portion 72, so that the rigidity of the vehicle body member 12 can be ensured.

  Moreover, the panel part 18 in which the ridge line part 72 is formed is formed by bending with respect to one flange 22 in which the bead 54 is formed, and the ridge line part 72 and the bead 54 are formed on the same panel 14. Yes. Therefore, the rigidity reduced by the bead 54 can be more effectively compensated by the ridge line portion 72.

  Further, a pair of ridge lines 72 are formed by forming a bent portion 70 having an L-shaped cross section in the panel portion 18. Therefore, the one panel 14 can be easily molded and the rigidity of the vehicle body member 12 can be improved.

  By the way, when reinforcing material is joined and reinforced at the corners of the panel portion 18 and the side wall portion 20 in the panel 14, when the wire harness 74 is disposed in the vicinity of the welded portion of the reinforcing material, The wire harness 74 may be damaged by burrs or the like. Therefore, in this case, it is necessary to cover the wire harness 74 with a covering material.

  However, according to the panel bonding structure 10, the rigidity reduced by the bead 54 as described above can be compensated by the ridge line portion 72, so that it is not necessary to add a reinforcing material. Therefore, if the wire harness 74 is disposed along the ridge line portion 72 as in the present embodiment, a covering material for covering the wire harness 74 can be eliminated.

  Next, a modification of one embodiment of the present invention will be described.

  In the present embodiment, the vehicle body member 12 is a rocker as an example, but may be another member.

  Further, the bead 54 is formed on the one flange 22, but may be formed on the other flange 32. Further, the beads 54 may be formed on both the pair of flanges 22 and 32.

  Further, the ridge line portion 72 is formed in the panel portion 18 bent with respect to the one flange 22 in which the bead 54 is formed, but is formed in the panel portion 28 bent with respect to the other flange 32. May be. That is, the ridge line portion 72 and the bead 54 may be formed on any one of the pair of panels 14 and 16, or may be separately formed on the pair of panels 14 and 16.

  As mentioned above, although one Embodiment of this invention was described, this invention is not limited above, In addition to the above, in the range which does not deviate from the main point, it can implement in various deformation | transformation.

DESCRIPTION OF SYMBOLS 10 Joining structure 14,16 A pair of panel 18 Panel part 22,32 A pair of flange 38 Adhesive 40 Welding part 46,48 Recessed part 54 Bead 56 Inner channel | path 62 Connection part 64 with a flange End part 70 on the opposite side to a connection part Folding Curved part 72 Ridge line part 74 Wire harness

Claims (4)

A pair of flanges each formed in an elongated shape on each of the pair of panels;
An adhesive that is interposed between the pair of flanges from one end side to the other end side in the longitudinal direction of the pair of flanges and bonds the pair of flanges;
A plurality of welded portions formed by spot welding that are formed on the pair of flanges at intervals in the longitudinal direction and couple the pair of flanges;
Of the pair of flanges, at least one of the flanges is formed at a central portion between each of the plurality of welds, protrudes on the opposite side of the other flange, and penetrates in the short direction of the pair of flanges A bead that forms an inner passage and opens a recess formed in the adhesive between each of the plurality of welds to both ends in a short direction of the pair of flanges through the inner passage;
A panel portion formed by bending with respect to at least one of the pair of flanges;
A ridge line portion that is formed between a connection portion with any one of the flanges in the panel portion and an end portion on the opposite side thereof, and extends along a longitudinal direction of the pair of flanges,
Panel joining structure with The panel portion in which the ridge portion is formed is formed by bending with respect to the flange in which the bead is formed among the pair of flanges.
The panel joining structure according to claim 1. In the panel portion, a pair of the ridge lines are formed by forming a bent portion having an L-shaped cross section between a connecting portion with any one of the flanges and an end portion on the opposite side. ,
The joining structure of the panel of Claim 1 or Claim 2. With a wire harness arranged along the ridgeline part,
The joining structure of the panel as described in any one of Claims 1-3.

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