JP5741332B2 - Body member joining method and joining structure - Google Patents

Description

  The present invention relates to a joining method and a joining structure for vehicle body members.

  Conventionally, a panel joint structure in which a flange of a first panel member and a flange of a second panel member are joined by bonding and welding is known (see, for example, Patent Document 1).

JP 2007-22262 A

  However, in this joint structure, when an adhesive is interposed at the welded portion of the pair of flanges, the quality of the welded portion may be deteriorated.

  This invention is made | formed in view of the said subject, Comprising: It aims at providing the joining method and joining structure of a vehicle body member which can ensure the quality of the welding location in a 1st flange and a 2nd flange. .

In order to solve the above-described problem, the vehicle body member joining structure according to claim 1 projects from an end portion of the main body panel portion formed on the first panel member and extends along the end portion of the main body panel portion. A first flange and a second panel member constituting a vehicle body member together with the first panel member, the first flange being formed opposite to the first flange, and a bonded portion bonded to the bonding portion of the first flange; A second flange having a welded portion welded to the first flange and welded to the welded portion of the first flange in a direction in which the first flange extends, and a protrusion of the first flange in the second panel member Formed in an adjacent panel portion formed side by side with the second flange in a direction to protrude, and protrudes toward the first flange in a direction in which the first flange and the second flange face each other, and The a protrusion overlapping in a direction extending welded portion of said first flange, wherein the protruding portion, the is the end of the protruding portion and in contact with or close in the first flange, said projection The wall surface on the second flange side in the portion extends in a direction in which the first flange and the second flange face each other .

  According to the joining structure of the vehicle body member, the first flange and the second flange can be joined with the above configuration, for example, in the following manner. That is, first, the first flange and the adjacent panel portion are made to face each other and the top portion of the protruding portion is brought into contact with the first flange, and the portion on the opposite side to the second flange with respect to the protruding portion in the adjacent panel portion and the first flange An adhesive is interposed between one end side and the other end side in the direction in which the first flange extends (first step).

  Subsequently, the second panel member is slid along the direction in which the first flange protrudes with respect to the first panel member so that the first flange and the second flange are opposed to each other. A portion overlapping in the extending direction of the welded portion and the first flange is scraped off by the protruding portion. Then, the adhesion part of a 1st flange and the to-be-adhered part of a 2nd flange are adhere | attached with the remaining part among adhesive agents (2nd process).

  And the welding part of a 1st flange and the to-be-welded part of a 2nd flange are welded (3rd process). The first flange and the second flange can be joined in the manner described above.

Here, according to the joint structure of the vehicle body members, a portion of the adhesive applied in the first step that overlaps in the extending direction of the welded portion and the first flange is scraped off by the protruding portion. Therefore, when welding a welding part and a to-be-welded part in a 3rd process after that, it can suppress that an adhesive agent intervenes between this welding part and a to-be-welded part. Thereby, the quality of the welding location in a 1st flange and a 2nd flange (namely, the welding quality in a welding part and a to-be-welded part) is securable.
Moreover, according to the joining structure of the vehicle body member, the wall surface on the second flange side in the projecting portion extends in the direction in which the first flange and the second flange face each other. Therefore, in the second step described above, when the wall surface on the second flange side of the protrusion is brought into contact with or close to the end on the protrusion side of the first flange, the first flange rides on the protrusion. Therefore, the first flange and the second flange can be positioned more effectively.

  The vehicle body member joint structure according to claim 2 is the vehicle body member joint structure according to claim 1, wherein the adjacent panel portion is formed continuously with a tip portion of the second flange, and the main body panel portion. Is formed with a through-hole penetrating in the opposing direction of the first flange and the second flange, and facing the portion of the second panel member facing the portion in which the through-hole is formed in the main body panel portion. The panel portion is formed with a long hole having a coaxial portion formed coaxially with the through-hole and an extended portion formed by extending from the coaxial portion to the second flange side. The length along the projecting direction of the first flange from the end on the first flange side to the base end of the first flange is L1, and the length from the end on the first flange side in the through hole is the first. Tip of one flange The length L2 along the direction in which the first flange protrudes to the portion, the length along the direction in which the first flange protrudes from the end on the second flange side to the top of the protrusion in the elongated hole. L3, the length along the direction in which the first flange protrudes from the end of the through hole opposite to the first flange to the tip of the first flange is L4, and the length of the first hole in the slot is The length along the projecting direction of the first flange from the end on the opposite side to the two flanges to the end on the second flange side of the projecting portion is L5, the length of the elongated hole on the side opposite to the second flange L2> L3> L1 and L5 ≧ L4> L6 are satisfied, where L6 is the length along the protruding direction of the first flange from the end of the second flange to the base end of the second flange. It is configured.

  According to the vehicle body member joining structure, the first flange and the second flange can be positioned by the above-described configuration, for example, in the following manner. That is, first, in a 1st process, a linear rod-shaped jig | tool is inserted in a through-hole and a long hole. Then, the jig is brought into contact with the end portion on the first flange side in the through hole and the end portion on the second flange side in the long hole. Thereby, a 1st flange opposes an adjacent panel part, and the top part of a protrusion part is contact | abutted with a 1st flange.

  Subsequently, in the second step, the direction in which the first flange protrudes from the first panel member and the jig until the end of the long hole opposite to the second flange contacts the jig. Slide along. And if the edge part on the opposite side to the 2nd flange in a long hole contact | abuts with a jig | tool, a 1st flange will get over a protrusion part and will be opposed in the state positioned with the 2nd flange.

  As described above, according to the joining structure of the vehicle body members, the first flange and the second flange are easily positioned in the second step by using the jig and using the through hole and the long hole as the reference hole. be able to.

  The vehicle body member joint structure according to claim 3 is the vehicle body member joint structure according to claim 1, wherein the adjacent panel portion is formed continuously with a base end portion of the second flange, and the main body panel. The part is formed with a through hole penetrating in a direction in which the first flange and the second flange are opposed to each other, and faces a portion of the second panel member in which the through hole is formed in the main body panel part. The opposing panel portion is formed with a long hole having a coaxial portion formed coaxially with the through-hole, and an extended portion formed by extending from the coaxial portion to the opposite side of the second flange, The length along the protruding direction of the first flange from the end of the through hole opposite to the first flange to the base end of the first flange is L1 ′, and the first flange in the through hole is From the opposite end The length L2 ′ along the protruding direction of the first flange to the tip of the first flange, the first from the end opposite to the second flange in the elongated hole to the top of the protruding portion The length along the protruding direction of the flange is L3 ′, and the length along the protruding direction of the first flange from the end on the first flange side to the base end of the first flange in the through hole L4 ′, the length along the protruding direction of the first flange from the end of the elongated hole on the second flange side to the end of the protruding portion on the second flange side is L5 ′, the length When the length along the protruding direction of the first flange from the end on the second flange side to the tip of the second flange in the hole is L6 ′, L1 ′ <L3 ′ <L2 ′, And L5 ′ ≦ L4 ′ <L6 ′ There is a satisfaction to configure.

  According to the vehicle body member joining structure, the first flange and the second flange can be positioned by the above-described configuration, for example, in the following manner. That is, first, in a 1st process, a linear rod-shaped jig | tool is inserted in a through-hole and a long hole. And this jig | tool is made to contact | abut to the edge part on the opposite side to the 1st flange in a through-hole, and the edge part on the opposite side to the 2nd flange in a long hole. Thereby, the top part of a protrusion part contact | abuts with a 1st flange, and a 1st flange opposes an adjacent panel part.

  Subsequently, in the second step, the second panel member is moved along the direction in which the first flange protrudes with respect to the first panel member and the jig until the end of the elongated hole on the second flange side comes into contact with the jig. Slide. And if the edge part by the side of the 2nd flange in a long hole contact | abuts with a jig | tool, a 1st flange will overcome a protrusion part and will be opposed in the state positioned with the 2nd flange.

  As described above, according to the joining structure of the vehicle body members, the first flange and the second flange are easily positioned in the second step by using the jig and using the through hole and the long hole as the reference hole. be able to.

  The joining structure of the vehicle body member according to claim 4 is the joining structure of the vehicle body member according to any one of claims 1 to 3, wherein the protruding portion is on the protruding portion side of the first flange. It is the structure which contact | abutted or adjoined the edge part.

  According to this vehicle body member joining structure, in the second step described above, the first flange and the second flange are positioned by bringing the protruding portion into contact with or close to the protruding portion side end portion of the first flange. Can do.

  The joining structure of the vehicle body member according to claim 5 is the joining structure of the vehicle body member according to any one of claims 1 to 4, wherein the wall surface on the opposite side to the second flange in the protruding portion is The first flange and the second flange extend in opposite directions.

  According to the joining structure of the vehicle body member, the wall surface on the opposite side to the second flange in the projecting portion extends in the direction in which the first flange and the second flange face each other. Therefore, for example, in the second step described above, when the second panel member is slid along the direction in which the first flange protrudes with respect to the first panel member, the adhesive rides on the protruding portion. Therefore, the adhesive can be more effectively scraped off by the wall surface on the opposite side to the second flange in the protruding portion. Thereby, the quality of the welding location in a 1st flange and a 2nd flange can be improved.

In order to solve the above problems, a joining method of a vehicle body member according to claim 6, the vehicle body member joint structure is applied to the vehicle body member according to any one of claims 1 to 5 In the joining method, the first flange and the adjacent panel portion are opposed to each other, the top portion of the protruding portion is brought into contact with the first flange, and the second flange with respect to the protruding portion in the adjacent panel portion, A first step of interposing an adhesive from one end side to the other end side in the extending direction of the first flange between the opposite portion and the first flange; the first flange and the second flange; The second panel member is slid along the direction in which the first flange protrudes with respect to the first panel member so as to face each other. In the extending direction -After scraping off the portion to be overlapped by the protrusion, the second step of bonding the bonding portion and the bonded portion with the remaining portion of the adhesive, and welding the welded portion and the welded portion And a third step.

  According to this vehicle body member joining method, the portion of the adhesive applied in the first step that overlaps in the extending direction of the welded portion and the first flange is scraped off by the protruding portion. Therefore, when welding a welding part and a to-be-welded part in a 3rd process after that, it can suppress that an adhesive agent intervenes between this welding part and a to-be-welded part. Thereby, the quality of the welding location in a 1st flange and a 2nd flange (namely, the welding quality in a welding part and a to-be-welded part) is securable.

  As described above in detail, according to the present invention, the quality of the welded portion in the first flange and the second flange can be ensured.

1 is a perspective view of a vehicle body member to which a vehicle body member joining structure according to an embodiment of the present invention is applied. FIG. 2 is a cross-sectional view taken along the line 2-2 in FIG. 1 (a cross-sectional view cut at a bonded portion and a bonded portion). FIG. 3 is a cross-sectional view taken along a line 3-3 in FIG. 1 (a cross-sectional view cut at a welded portion and a welded portion). It is a principal part enlarged plan view of the 2nd vehicle body panel member shown by FIG. It is a figure explaining the joining method of the vehicle body member shown by FIG. 1 with sectional drawing. It is a figure explaining the joining method of the vehicle body member shown by FIG. 1 with a top view. It is a figure which shows the 1st modification of the protrusion part shown by FIG. It is a figure which shows the 2nd modification of the protrusion part shown by FIG.

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

  The vehicle body member 10 shown in FIGS. 1 to 3 is applied with the vehicle body member joining structure S according to an embodiment of the present invention, and is a skeleton member constituting a part of the vehicle body. The vehicle body member 10 includes a first panel member 12 having a hat-shaped cross section and a second panel member 14 having a flat plate shape, and forms a closed cross section 16. Further, the vehicle body member 10 is formed in a long shape whose longitudinal direction is a direction orthogonal to the closed section 16 (that is, the X direction).

  The first panel member 12 includes a pair of side wall portions 18, 20, a connecting wall portion 22 that connects ends of the pair of side wall portions 18, 20 opposite to the second panel member 14, and a pair of side wall portions 18. , 20 have a pair of first flanges 24, 26 projecting from the end on the second panel member 14 side.

  The pair of first flanges 24, 26 extend in a long shape in the X direction along the end portions of the pair of side wall portions 18, 20 on the second panel member 14 side. The pair of side wall portions 18 and 20 and the connecting wall portion 22 formed on the first panel member 12 correspond to the “main body panel portion” in the present invention. It corresponds to the “extending direction”.

  The second panel member 14 includes an opposing panel portion 32 that faces the connecting wall portion 22, and a pair of second flanges 34 and 36 that face each of the pair of first flanges 24 and 26. Further, when the direction in which the first flanges 24 and 26 protrude from the end portions of the side wall portions 18 and 20 on the second panel member 14 side is the Y direction, A portion that is arranged in the Y direction with 34 and is located on the opposite side of the opposing panel portion 32 across the second flange 34 is an adjacent panel portion 44. The adjacent panel portion 44 is formed continuously with the tip end portion (the end portion on the side opposite to the opposing panel portion 32) of the second flange 34.

  On the other hand, in the second panel member 14, a portion that is arranged in the Y direction with the second flange 36 and is located between the second flange 36 and the opposing panel portion 32 is an adjacent panel portion 46. The adjacent panel portion 46 is formed continuously with the base end portion (the end portion on the counter panel portion 32 side) of the second flange 36.

  As shown in FIGS. 2 and 3, the first flange 24 and the second flange 34 described above are joined to each other by a remaining portion 50B of an adhesive 50 to be described later and a welding point 51 by spot welding. Has been. In the first flange 24 and the second flange 34, the portions joined by the remaining portion 50B of the adhesive 50 are an adhesive portion 52 and an adherend portion 53, and are joined by a welding point 51 by spot welding described later. These parts are a welded portion 54 and a welded portion 55. The bonded portion 52 and the bonded portion 53 and the welded portion 54 and the welded portion 55 are formed side by side in the above-described X direction (see FIGS. 1 and 3).

  Similarly, the first flange 26 and the second flange 36 described above are joined to each other by a remaining portion 60B of an adhesive 60 described later and a welding point 61 by spot welding. In the first flange 26 and the second flange 36, portions joined by the remaining portion 60B of the adhesive 60 are an adhesive portion 62 and an adherend portion 63, and are joined by a welding point 61 by spot welding described later. These parts are a welded portion 64 and a welded portion 65. The bonded portion 62 and the bonded portion 63 and the welded portion 64 and the welded portion 65 are formed side by side in the above-described X direction (see FIGS. 1 and 3).

  Further, as shown in FIG. 3, a bead-shaped protrusion 74 is formed in the above-described adjacent panel portion 44. The protrusion 74 protrudes on the first flange 24 side (Z1 side) in the direction in which the first flange 24 and the second flange 34 face each other (that is, in the Z direction). 74 side end). Further, as shown in FIG. 4, a plurality of protrusions 74 are formed at intervals in the X direction, and each protrusion 74 overlaps the welded portion 55 in the X direction.

  Similarly, as shown in FIG. 3, a bead-shaped protrusion 76 is formed in the above-described adjacent panel portion 46. The projecting portion 76 projects to the first flange 26 side (Z1 side) in the direction in which the first flange 26 and the second flange 36 oppose each other (that is, the Z direction). End portion on the side of the portion 76). Further, as shown in FIG. 4, a plurality of the protrusions 76 are formed at intervals in the X direction, and each protrusion 76 overlaps the welded part 65 in the X direction.

  Further, as shown in FIG. 3, a through hole 80 penetrating in the Z direction is formed in the connecting wall portion 22. The through hole 80 is a circular hole. In addition, the connection wall part 22 in which this through-hole 80 was formed is equivalent to "the part in which the through-hole in the main body panel part was formed" in this invention.

  On the other hand, the long hole 82 extending in the Y direction described above is formed in the counter panel portion 32 facing the connecting wall portion 22. The elongated hole 82 includes a coaxial portion 84 formed coaxially with the through-hole 80, and an extended portion 86 formed extending from the coaxial portion 84 to the second flange 34 side (opposite side to the second flange 36). And have.

  And as FIG. 5 shows, the length L1-L6 of each part of this through-hole 80 and the long hole 82, and the above-mentioned 1st flange 24, the 2nd flange 34, and the protrusion part 74 is mentioned later. It is set as follows from the relationship with the joining method of the vehicle body members.

  L1 is the length along the Y direction from the end of the through hole 80 on the first flange 24 side to the base end of the first flange 24, and L2 is the first flange 24 side of the through hole 80. This is the length along the Y direction from the end of the first flange 24 to the tip of the first flange 24.

  L3 is the length along the Y direction from the end of the long hole 82 on the second flange 34 side to the top of the protrusion 74, and L4 is on the opposite side of the through hole 80 from the first flange 24. This is the length along the Y direction from the end to the tip of the first flange 24.

  L5 is the length along the Y direction from the end of the long hole 82 on the side opposite to the second flange 34 to the end of the protruding portion 74 on the second flange 34 side, and L6 is the length of the long hole 82. Is the length along the Y direction from the end opposite to the second flange 34 to the base end of the second flange 34.

  In the vehicle body member 10, L1 to L6 are set so as to satisfy L2> L3> L1 and L5 ≧ L4> L6.

  Similarly, the lengths L1 ′ to L6 ′ of the respective parts of the through hole 80 and the long hole 82, and the first flange 26, the second flange 36, and the protrusion 76 are determined by a vehicle body member joining method described later. From the relationship, it is set as follows.

  L1 ′ is the length along the Y direction from the end of the through hole 80 opposite to the first flange 26 to the base end of the first flange 26, and L2 ′ is the length of the first hole 26 in the through hole 80. This is the length along the Y direction from the end opposite to the one flange 26 to the tip of the first flange 26.

  L3 ′ is the length along the Y direction from the end of the long hole 82 opposite to the second flange 36 to the top of the protrusion 76, and L4 ′ is the length of the first flange 26 in the through hole 80. It is the length along the Y direction from the end on the side to the base end of the first flange 26.

  L5 ′ is the length along the Y direction from the end of the elongated hole 82 on the second flange 36 side to the end of the protruding portion 76 on the second flange 36 side, and L6 ′ is the length of the elongated hole 82. Is the length along the Y direction from the end on the second flange 36 side to the tip of the second flange 36.

  In the vehicle body member 10, L1 'to L6' are set so as to satisfy L1 '<L3' <L2 'and L5'≤L4' <L6 '.

  Next, a method for joining body members according to an embodiment of the present invention will be described.

  First, as shown in the upper diagram of FIG. 5, in the first step, a straight bar-shaped jig 90 is inserted into the through hole 80 and the long hole 82. The outer diameter of the jig 90 is substantially the same as the inner diameter of the through hole 80 (strictly, the diameter is slightly smaller than the inner diameter of the through hole 80).

  Then, in a state where the jig 90 is fitted in the through hole 80, that is, in a state where the jig 90 is in contact with at least the end of the through hole 80 on the first flange 24 side (opposite side of the first flange 26) The jig 90 is brought into contact with the end of the long hole 82 on the second flange 34 side (the side opposite to the second flange 36). Accordingly, the first flanges 24 and 26 are opposed to the adjacent panel portions 44 and 46, respectively, and the top portions of the projecting portions 74 and 76 are brought into contact with the first flanges 24 and 26, respectively.

  At this time, an adhesive 50 is applied in advance from one end side to the other end side in the extending direction (X direction) on at least one of the first flange 24 and the second flange 34 (the upper side in FIG. 6). (See figure). Then, the adhesive 50 extends from one end side to the other end side in the extending direction of the first flange 24 between the first flange 24 and the portion 44 </ b> A opposite to the second flange 34 with respect to the protruding portion 74 in the adjacent panel portion 44. Intervene.

  Similarly, the adhesive 60 is previously applied to at least one of the first flange 26 and the second flange 36 from one end side to the other end side in the extending direction (X direction) (see the upper diagram of FIG. 6). ). The adhesive 60 extends from one end side to the other end side in the extending direction of the first flange 26 between the first flange 26 and the portion 46A opposite to the second flange 36 with respect to the protruding portion 76 in the adjacent panel portion 46. Intervene.

  Next, as shown in the lower diagram of FIG. 5, in the second step, the second hole until the end of the elongated hole 82 opposite to the second flange 34 (on the second flange 36 side) abuts against the jig 90. The panel member 14 is slid (slid to the Y1 side) along the Y direction with respect to the first panel member 12 and the jig 90.

  Then, a portion 50A (see the upper diagrams of FIGS. 5 and 6) of the above-described adhesive 50 that overlaps the welded portion 55 in the X direction is scraped off by the protrusion 74. Similarly, a portion 60 </ b> A of the above-described adhesive 60 that overlaps the welded portion 65 in the X direction is scraped off by the protruding portion 76.

  5 and 6, when the end of the long hole 82 opposite to the second flange 34 (on the second flange 36 side) contacts the jig 90, the first flange 24 is It is opposed to the second flange 34 in a state of getting over the protrusion 74. Similarly, the first flange 26 is opposed to the second flange 36 in a state where it is positioned over the protrusion 76.

  As a result, the bonded portion 52 of the first flange 24 and the bonded portion 53 of the second flange 34 are bonded by the remaining portion 50B which is the remaining portion of the adhesive 50 (see FIG. 2). Similarly, the bonded portion 62 of the first flange 26 and the bonded portion 63 of the second flange 36 are bonded by the remaining portion 60 </ b> B which is the remaining portion of the adhesive 60.

  Finally, as shown in the lower diagram of FIG. 5, in the third step, the welded portion 54 of the first flange 24 and the welded portion 55 of the second flange 34 are spot welded to form a weld point 51. . Similarly, the welded portion 64 of the first flange 26 and the welded portion 65 of the second flange 36 are spot-welded to form a weld point 61. In the above manner, the first flange 24 and the second flange 34, and the first flange 26 and the second flange 36 are joined.

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

  As described above in detail, according to one embodiment of the present invention, the portion 50A of the adhesive 50 applied in the first step that overlaps the welded portion 55 in the X direction is scraped off by the protrusion 74. (See the upper diagrams of FIGS. 5 and 6). Therefore, after that, when the welded portion 54 and the welded portion 55 are welded in the third step, it is possible to prevent an adhesive from being interposed between the welded portion 54 and the welded portion 55. . Thereby, the quality of the welding location in the 1st flange 24 and the 2nd flange 34 (namely, the welding quality in the welding part 54 and the to-be-welded part 55) is securable.

  Similarly, a portion 60A of the adhesive 60 applied in the first step that overlaps the welded portion 65 in the X direction is scraped off by the protruding portion 76 (see the upper diagrams of FIGS. 5 and 6). Therefore, after that, when the welded portion 64 and the welded portion 65 are welded in the third step, it is possible to prevent the adhesive from being interposed between the welded portion 64 and the welded portion 65. . Thereby, the quality of the welding location in the 1st flange 26 and the 2nd flange 36 (namely, the welding quality in the welding part 64 and the to-be-welded part 65) is securable.

  Moreover, by using the jig 90 and using the through hole 80 and the long hole 82 as reference holes, in the second step, the first flange 24 and the second flange 34, and the first flange 26 and the second flange are used. 36 can be positioned easily.

  In the second step, the first flange 24 and the second flange 34 can also be positioned by bringing the protrusion 74 into contact with the tip of the first flange 24. Similarly, the first flange 26 and the second flange 36 can be positioned by bringing the protruding portion 76 into contact with the proximal end portion of the first flange 26.

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

  In the above-described embodiment of the present invention, the protrusion 74 is in contact with the tip of the first flange 24 as shown in FIG. 3, but is close to the tip of the first flange 24. Also good. Moreover, although the protrusion part 76 was contact | abutted with the base end part of the 1st flange 26, you may adjoin with the base end part of the 1st flange 26. FIG. Even if comprised in this way, the 1st flange 24 and the 2nd flange 34 and the 1st flange 26 and the 2nd flange 36 can be positioned, respectively.

  Moreover, in one Embodiment of this invention, the protrusion part 74 is formed in the cross-sectional right triangle shape, as FIG. 7 shows, and the wall surface 74A on the opposite side to the 2nd flange 34 is extended in the above-mentioned Z direction. May be. Similarly, the projecting portion 76 may be formed in a triangular shape having a right-angled cross section, and the wall surface 76A opposite to the second flange 36 may extend in the Z direction described above.

  With this configuration, when the second panel member 14 is slid along the Y direction (slid to the Y1 side) with respect to the first panel member 12 in the second step described above, the protruding portion Since it is suppressed that the adhesive 50 runs on 74, the adhesive 50 can be scraped off more effectively by the wall surface 74A opposite to the second flange 34 in the protrusion 74.

  Similarly, since the adhesive 60 is suppressed from climbing on the protrusion 76, the adhesive 60 can be more effectively scraped off by the wall surface 76 </ b> A opposite to the second flange 36 in the protrusion 76. it can. Thereby, the quality of the welding location in the 1st flange 24 and the 2nd flange 34 and the quality of the welding location in the 1st flange 26 and the 2nd flange 36 can each be improved.

  Moreover, in one Embodiment of this invention, as the protrusion part 74 is shown by FIG. 8, the wall surface 74B by the side of the 2nd flange 34 may be extended in the above-mentioned Z direction. Similarly, the wall surface 76B on the second flange 36 side of the protrusion 76 may also extend in the Z direction described above.

  With this configuration, when the wall surface 74B on the second flange 36 side of the protrusion 74 is brought into contact with or close to the tip of the first flange 24 in the second step described above, the protrusion 74 Since it can suppress that the 1st flange 24 rides on the top, the 1st flange 24 and the 2nd flange 34 can be positioned more effectively. Similarly, when the wall surface 76B on the second flange 36 side of the protrusion 76 is brought into contact with or close to the base end portion of the first flange 26, the first flange 26 is prevented from riding on the protrusion 76. As a result, the first flange 26 and the second flange 34 can be positioned more effectively.

In the modification shown in FIG. 8, the projecting portion 74 is formed in a rectangular cross section, and the wall surface 74A opposite to the second flange 34 also extends in the Z direction described above. Similarly, the projecting portion 76 is also formed in a rectangular cross section, and the wall surface 76A on the opposite side to the second flange 36 extends in the Z direction described above. If comprised in this way, there can exist an effect | action and effect similar to the modification shown by the above-mentioned FIG. The example shown in FIG. 7 is a reference example. The example shown in FIG. 8 and the example including the example shown in FIG. 8 among FIGS. 1 to 6 are an embodiment of the present invention.

  Further, as shown in FIG. 1, in one embodiment of the present invention, the vehicle body member 10 includes the first flange 24 and the second flange 36, and the first flange 26 and the second flange 36. The first flange 24 and the second flange 34, and the first flange 26 and the second flange 36 may have any combination.

  In addition, the vehicle body member 10 is a skeleton member that forms the closed section 16, but may be a member other than the skeleton member.

  Moreover, although the welding part 54 and the to-be-welded part 55 were joined by spot welding, you may join by welding other than spot welding. Similarly, the welded portion 64 and the welded portion 65 may be joined by welding other than spot welding.

  Moreover, in order to scrape off a part of the adhesives 50 and 60, the protrusions 74 and 76 have a bead shape, but the protrusions 74 and 76 may not have a bead shape.

  Although one embodiment of the present invention has been described above, the present invention is not limited to the above, and other various modifications can be made without departing from the spirit of the present invention. It is.

S Body member joining structure 10 Body member 12 First panel member 14 Second panel member 18, 20 Side wall part (part of main body panel part)
22 Connecting wall part (part where the through hole is formed in the main body panel part)
24,26 1st flange 32 Opposite panel part 34,36 2nd flange 44,46 Adjacent panel part 44A, 46A The part 50,60 on the opposite side to the 2nd flange with respect to the protrusion part in an adjacent panel part Adhesive agent 50A, 60A Overlap Parts 50B, 60B to be remnant (residual part)
52, 62 Bonded part 53, 63 Bonded part 54, 64 Welded part 55, 65 Welded part 74, 76 Projection part 74A, 76A Wall surface 74B, 76B opposite to the second flange in the projection part Second flange in the projection part Side wall 80 Through hole 82 Long hole 84 Coaxial part 86 Extension part 90 Jig

Claims (6)

A first flange protruding from the end of the main body panel formed on the first panel member and extending along the end of the main body panel,
The second panel member constituting the vehicle body member together with the first panel member is formed to face the first flange, and the bonded portion bonded to the bonding portion of the first flange; A second flange having a welded portion welded to the first flange and welded to the welded portion, formed side by side with the adhesive portion in the extending direction;
The second panel member is formed in an adjacent panel portion formed side by side with the second flange in a direction in which the first flange projects, and the first flange and the second flange are opposed to each other. A protruding portion that protrudes toward one flange and overlaps in the extending direction of the welded portion and the first flange;
Equipped with a,
The protrusion is in contact with or close to an end of the first flange on the protrusion side;
The wall surface on the second flange side in the protruding portion extends in a direction in which the first flange and the second flange face each other.
Bonding structure for car body members. The adjacent panel portion is formed continuously with a tip portion of the second flange,
In the main body panel portion, a through-hole penetrating in a direction in which the first flange and the second flange face each other is formed,
Of the second panel member, a counter panel portion facing the portion in which the through hole is formed in the main body panel portion includes a coaxial portion formed coaxially with the through hole, and a first portion from the coaxial portion. A long hole having an extension formed extending to the two flange side is formed,
The length along the protruding direction of the first flange from the end portion on the first flange side in the through hole to the base end portion of the first flange is L1,
A length L2 along the protruding direction of the first flange from the end on the first flange side to the tip of the first flange in the through hole;
The length along the protruding direction of the first flange from the end on the second flange side to the top of the protruding portion in the long hole is L3,
The length along the protruding direction of the first flange from the end of the through hole opposite to the first flange to the tip of the first flange is L4,
The length along the protruding direction of the first flange from the end on the opposite side to the second flange in the elongated hole to the end on the second flange side of the protruding portion is L5,
When the length along the protruding direction of the first flange from the end opposite to the second flange in the long hole to the base end of the second flange is L6,
L2>L3> L1 and L5 ≧ L4> L6 are satisfied,
The joint structure of the vehicle body member according to claim 1. The adjacent panel portion is formed continuously with the proximal end portion of the second flange,
In the main body panel portion, a through-hole penetrating in a direction in which the first flange and the second flange face each other is formed,
Of the second panel member, a counter panel portion facing the portion in which the through hole is formed in the main body panel portion includes a coaxial portion formed coaxially with the through hole, and a first portion from the coaxial portion. A long hole having two flanges and an extension formed on the opposite side is formed,
L1 ′, the length along the protruding direction of the first flange from the end of the through hole opposite to the first flange to the base end of the first flange,
A length L2 ′ along the protruding direction of the first flange from the end opposite to the first flange in the through hole to the tip of the first flange;
L3 ′, the length along the direction in which the first flange protrudes from the end opposite to the second flange in the long hole to the top of the protrusion.
L4 ′, the length along the protruding direction of the first flange from the end on the first flange side in the through hole to the base end of the first flange,
L5 ′, the length along the direction in which the first flange protrudes from the end on the second flange side of the elongated hole to the end on the second flange side of the protrusion.
When the length along the protruding direction of the first flange from the end on the second flange side to the tip of the second flange in the long hole is L6 ′,
L1 ′ <L3 ′ <L2 ′ and L5 ′ ≦ L4 ′ <L6 ′ are satisfied,
The joint structure of the vehicle body member according to claim 1. The protrusion is in contact with or close to an end of the first flange on the protrusion side.
The joint structure for a vehicle body member according to any one of claims 1 to 3. The wall surface on the opposite side to the second flange in the protruding portion extends in a direction in which the first flange and the second flange face each other.
The vehicle body member joining structure according to any one of claims 1 to 4. A vehicle body member joining method to which the vehicle body member joining structure according to any one of claims 1 to 5 is applied,
  The first flange and the adjacent panel portion are made to face each other and the top portion of the protruding portion is brought into contact with the first flange, and the portion of the adjacent panel portion opposite to the second flange with respect to the protruding portion and the A first step of interposing an adhesive from one end side to the other end side in the extending direction of the first flange between the first flange;
  The second panel member is slid along the protruding direction of the first flange with respect to the first panel member so that the first flange and the second flange face each other. A second portion that bonds the bonded portion and the bonded portion with the remaining portion of the adhesive after scraping off the overlapping portion in the extending direction of the welded portion and the first flange by the protruding portion. Process,
  A third step of welding the welded portion and the welded portion;
  The joining method of the vehicle body member provided with this.