WO2020209381A1 - 接合構造、接合構造の製造方法、および、車体 - Google Patents

接合構造、接合構造の製造方法、および、車体 Download PDF

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Publication number
WO2020209381A1
WO2020209381A1 PCT/JP2020/016193 JP2020016193W WO2020209381A1 WO 2020209381 A1 WO2020209381 A1 WO 2020209381A1 JP 2020016193 W JP2020016193 W JP 2020016193W WO 2020209381 A1 WO2020209381 A1 WO 2020209381A1
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WO
WIPO (PCT)
Prior art keywords
flange
panel
joint
contact portion
contact
Prior art date
Application number
PCT/JP2020/016193
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
河内　毅
Original Assignee
日本製鉄株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 日本製鉄株式会社 filed Critical 日本製鉄株式会社
Priority to CN202080028414.9A priority Critical patent/CN113677899B/zh
Priority to EP20787263.1A priority patent/EP3954906A4/en
Priority to US17/602,667 priority patent/US20220177048A1/en
Priority to JP2021513727A priority patent/JP7288211B2/ja
Publication of WO2020209381A1 publication Critical patent/WO2020209381A1/ja

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D27/00—Connections between superstructure or understructure sub-units
    • B62D27/02—Connections between superstructure or understructure sub-units rigid
    • B62D27/023—Assembly of structural joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/02—Side panels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B11/00—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding
    • F16B11/006—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding by gluing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/04—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of riveting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/08—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of welds or the like

Definitions

  • This disclosure relates to a joint structure, a method for manufacturing the joint structure, and a vehicle body.
  • an automobile body panel is attached to a body member by joining a flange provided on the body panel and a flange provided on another body member adjacent to the body panel.
  • These flanges may be joined by spot welding each other with an adhesive applied between them (see, for example, Patent Document 1).
  • the flange of the vehicle body panel and the flange of the vehicle body member are abutted with each other in a state where the adhesive is applied, so that the adhesive is interposed on the entire surface facing each other.
  • they are strongly bonded and integrated using this adhesive.
  • the steel plates that make up the body of an automobile are being promoted to achieve both improvements in collision safety due to high-tensile steel and weight reduction due to thinning.
  • the NV performance noise resistance and vibration resistance
  • the vibration becomes large when the vibration is input, and the noise in the room also becomes large.
  • Patent Document 1 does not provide any suggestion regarding the viewpoint of improving the noise resistance performance and the vibration resistance performance. Further, there is a demand for improving noise resistance and vibration resistance not only in the vehicle body but also in other general joint structures that receive vibration.
  • one of the objects of the present invention is sufficient noise resistance and vibration resistance even when the plate thickness is reduced in a joint structure including a structure for joining two flanges and a vehicle body including the structure. Is to be able to secure.
  • the gist of the present invention is the following joint structure, a method for manufacturing the joint structure, and a vehicle body.
  • a joint portion formed by joining the first flange and the second flange to each other with at least one crushed to the other side.
  • a contact portion that slidably contacts the first flange and the second flange at a position separated from the joint portion is provided.
  • the first flange includes a curved portion that extends so that the distance from the second flange increases as the distance from the contact portion increases.
  • the contact portion is provided at one end of the curved portion.
  • the contact portion is arranged at the edge portion of the first flange.
  • the joint structure according to (3) above includes a curved portion that extends so that the distance from the second flange increases as the distance from the contact portion increases.
  • the joint portion is arranged between the contact portion and the curved portion.
  • Each of the flanges extends in a predetermined longitudinal direction and The contact portion is arranged between the two joint portions.
  • a first flange material as a material for the first flange and a second flange material as a material for the second flange are prepared.
  • the first flange material and the second flange material are brought into contact with at least one of the first flange material and the second flange material, the first flange material and the second flange material are separated from each other.
  • a recess is provided to serve as a flange By abutting the first flange material and the second flange material against each other in the recess, the recess is deformed.
  • the joint portion is formed by joining the abutted portions, and the first flange material and the second flange material are slidably contacted at the contact portion at a position separated from the joint portion. ..
  • the skeletal member The first half portion provided with the second flange and A second half portion having a third flange arranged to face the second flange and combined with the first half portion, A semi-joint portion formed by joining the second flange and the third flange to each other and restricting relative sliding between the first flange and the third flange. have.
  • each of the flanges extends in a predetermined longitudinal direction and Since the second flange and the third flange are separated from each other at the position between the two half joints, the half gap as a gap between the second flange and the third flange Is formed.
  • a joining structure including a structure for joining two flanges to each other, even when the plate thickness is reduced, sufficient noise resistance and noise resistance are not impaired, for example, in the vehicle body when the driver is steering. Vibration performance can be ensured.
  • FIG. 1 is a schematic perspective view showing a part of an automobile body including a joint structure according to an embodiment of the present invention.
  • FIG. 2 is a cross-sectional view showing a part of the vehicle body, and shows a state seen from the length direction.
  • 3 (A) and 3 (B) are schematic cross-sectional views for explaining a process of joining the first flange of the vehicle body to the second flange by joining.
  • FIG. 4A is a diagram showing a first modification of the first embodiment, and shows a cross section seen from the length direction.
  • FIG. 4B is a diagram showing a second modification of the first embodiment, and shows a cross section seen from the length direction.
  • FIG. 5A is a diagram showing a third modification of the first embodiment, and shows a cross section seen from the length direction.
  • FIG. 5B is a diagram showing a fourth modification of the first embodiment, and shows a cross section seen from the length direction.
  • 6 (A) and 6 (B) are schematic cross-sectional views for explaining a step of joining the first flange to the second flange in the fourth modification of the first embodiment.
  • FIG. 7A is a diagram showing a fifth modification of the first embodiment, showing a cross section seen from the length direction.
  • FIG. 7B is a diagram showing a sixth modification of the first embodiment, showing a cross section seen from the length direction.
  • FIG. 8 is a diagram showing a seventh modification of the first embodiment, and shows a cross section seen from the length direction.
  • FIG. 9 is a diagram showing an eighth modification of the first embodiment, showing a cross section seen from the width direction.
  • FIG. 10 is a schematic perspective view for explaining a step of joining the first flange to the second flange in the eighth modification of the first embodiment.
  • 11 (A) and 11 (B) are schematic cross-sectional views for explaining a step of joining the first flange to the second flange in the eighth modification of the first embodiment.
  • FIG. 12 is a schematic perspective view showing a part of an automobile body according to a second embodiment of the present invention.
  • FIG. 13 is a view showing a part of the vehicle body of FIG. 12, and shows a state seen from the length direction.
  • FIG. 14 is a schematic view for explaining a process of joining the first flange of the vehicle body to the second flange.
  • FIG. 15A is a diagram showing a first modification of the second embodiment, showing a state seen from the length direction.
  • FIG. 15B is a schematic view for explaining a step of joining the first flange to the second flange in the first modification of the second embodiment.
  • FIG. 16A is a diagram showing a second modification of the second embodiment, and is a view seen from the length direction.
  • FIG. 16B is a schematic diagram for explaining a step of joining the first flange to the second flange in the second modification of the second embodiment.
  • FIG. 17A is a diagram showing a third modification of the second embodiment, and is a view seen from the length direction.
  • FIG. 17B is a schematic view for explaining a step of joining the first flange to the second flange in the third modification of the second embodiment.
  • FIG. 18 is a diagram showing a fourth modification of the second embodiment, and is a view seen from the length direction X.
  • FIG. 19A is a diagram showing a fifth modification of the second embodiment, and is a view seen from the length direction X.
  • FIG. 19B is a schematic diagram for explaining a step of joining the first flange to the second flange in the fifth modification of the second embodiment.
  • FIG. 20A is a diagram showing a sixth modification of the second embodiment, and is a view seen from the length direction.
  • FIG. 20B is a schematic diagram for explaining a step of joining the first flange to the second flange in the sixth modification of the second embodiment.
  • FIG. 21 is a schematic perspective view showing a part of an automobile body according to a third embodiment of the present invention.
  • FIG. 22 is a cross-sectional view showing a part of the vehicle body of the third embodiment, and shows a state seen from the length direction.
  • 23 (A) and 23 (B) are schematic cross-sectional views for explaining a step of joining the first flange of the vehicle body to the second flange in the third embodiment.
  • FIG. 24A is a diagram showing a first modification of the third embodiment, and shows a cross section seen from the length direction.
  • FIG. 24B is a diagram showing a second modification of the third embodiment, and shows a cross section seen from the length direction.
  • FIG. 25A is a diagram showing a third modification of the third embodiment, and shows a cross section seen from the length direction.
  • FIG. 25B is a diagram showing a fourth modification of the third embodiment, showing a cross section seen from the length direction.
  • 26 (A) and 26 (B) are schematic cross-sectional views for explaining a step of joining the first flange to the second flange in the fourth modification of the third embodiment.
  • FIG. 27A is a diagram showing a fifth modification of the third embodiment, showing a cross section seen from the length direction.
  • FIG. 27B is a diagram showing a sixth modification of the third embodiment, showing a cross section seen from the length direction.
  • FIG. 28 is a diagram showing a seventh modification of the third embodiment, showing a cross section seen from the length direction.
  • FIG. 29 is a diagram showing an eighth modification of the third embodiment, showing a cross section seen from the width direction.
  • FIG. 30 is a schematic perspective view for explaining a step of joining the first flange to the second flange in the eighth modification of the third embodiment.
  • 31 (A) and 31 (B) are schematic cross-sectional views for explaining a step of joining the first flange to the second flange in the eighth modification of the third embodiment.
  • FIG. 1 is a schematic perspective view showing a part of an automobile body 100 (hereinafter, also simply referred to as “body 100”) including the joint structure 30 according to the first embodiment of the present invention.
  • FIG. 2 is a cross-sectional view showing a part of the vehicle body 100, and shows a state seen from the length direction X. With reference to FIGS. 1 and 2, the vehicle body 100 is the vehicle body of an automobile.
  • the longitudinal direction of the joint structure 30 shown in FIG. 1 is referred to as the length direction X.
  • the back side of the paper surface in FIG. 2 is positive.
  • the width direction of the joint structure 30 is referred to as a width direction Y.
  • the width direction Y is the left-right direction of FIGS. 1 and 2, and the left direction of the paper is positive.
  • a direction orthogonal to both the length direction X and the width direction Y is referred to as a height direction Z. In the height direction Z, the upper side of the paper surface of FIGS. 1 and 2 is positive.
  • the length direction X, the width direction Y, and the height direction Z may or may not coincide with the vehicle length direction, the vehicle width direction, and the vehicle height direction of the vehicle body 100, respectively. ..
  • one side of the width direction Y is referred to as “one end side”
  • the other side is referred to as “the other end side”.
  • the vehicle body 100 has a first member 1 and a second member 2.
  • the first member 1 is, for example, an exterior member of the vehicle body 100, and is not a skeleton member that bears the weight of the automobile and the external force from the suspension.
  • an exterior member include an automobile outer panel, a rear quarter panel, a roof panel, a door panel (door inner panel, door outer panel), and a bonnet hood (hood inner panel, hood outer panel).
  • the first member 1 may be a member other than the members exemplified above.
  • the second member 2 is, for example, an exterior member or a skeleton member of the vehicle body 100.
  • a skeleton member include a front side member, an A pillar, a B pillar, a C pillar, a side sill, a rear side member, and a cross member.
  • the second member 2 may be any member as long as it constitutes the vehicle body 100, and may be a member other than the members illustrated above.
  • the first member 1 is formed into a thin plate shape by pressing a thin plate.
  • the thin plate constituting the first member 1 is, for example, a mild steel plate.
  • the materials constituting the first member 1 and the second member 2 are a resin plate containing steel, aluminum, magnesium, and fiber reinforced plastic, and a pipe, and the first member 1 and the second member 2 The material and shape of the material may be different.
  • the first member 1 and the second member 2 may each be formed of a single material or a composite material.
  • the method of joining the first member 1 and the second member 2 includes welding of spots, lasers, arcs, seams and the like, mechanical joining such as rivets, caulking and bolt fastening, and bonding with an adhesive or the like.
  • the first member 1 has a first main body 11, a first vertical wall 12, and a first flange 13.
  • the second member 2 has a second main body 21, a second vertical wall 22, and a second flange 23.
  • the first vertical wall 12 extends from the first main body 11.
  • the first main body 11 is continuous with the other end of the first vertical wall 12, and the first flange 13 is continuous with one end of the first vertical wall 12.
  • the first flange 13 is joined to the second flange 23 of the second member 2.
  • the second vertical wall 22 extends from the second main body 21.
  • the second main body 21 is continuous with the other end of the second vertical wall 22, and the second flange 23 is continuous with one end of the second vertical wall 22.
  • the first flange 13 and the second flange 23 are arranged so as to face each other in the height direction Z.
  • the vehicle body 100 is provided with a joint structure 30 including a first flange 13 and a second flange 23.
  • the joint structure 30 has a first flange 13, a second flange 23, a gap forming portion 31, a joint portion 32, and a contact portion 33.
  • the first flange 13 has a first curved portion 41, a first contact portion 45, a first void forming portion 42, and a first edge portion 43.
  • the first curved portion 41 is formed in a curved shape when viewed from the length direction X, and is formed in an arc shape that is convex toward the second member 2.
  • the first curved portion 41 extends in one of the height directions Z so that the distance from the second flange 23 increases as the distance from the contact portion 33 increases toward the other end.
  • the other end of the first curved portion 41 is continuous with the first vertical wall 12, and one end of the first curved portion 41 is continuous with the first void forming portion 42 via the first contact portion 45.
  • the first void forming portion 42 forms the void 34 in cooperation with the second void forming portion 52 described later of the second flange 23.
  • the void forming portion 31 is formed by the first void forming portion 42 and the second void forming portion 52.
  • the first void forming portion 42 is formed in a substantially U shape when viewed from the length direction X, for example. One end and the other end of the first gap forming portion 42 in the width direction Y are in contact with the second flange 23, while the intermediate portion of the first gap forming portion 42 is separated from the second flange 23.
  • a gap 34 is formed between the intermediate portion of the first gap forming portion 42 as the separated portion and the second gap forming portion 52 of the second flange 23.
  • One end of the first void forming portion 42 is continuous with the first edge portion 43.
  • the first edge portion 43 is an edge portion (end edge portion) of the first member 1 in the width direction Y.
  • the first edge portion 43 is also the tip portion of the first flange 13 in the width direction Y.
  • the other end (base end) of the first edge portion 43 is continuous with the first void forming portion 42.
  • One end (tip) of the first edge portion 43 is a free end.
  • the second flange 23 has a second curved portion 51, a second contact portion 55, a second void forming portion 52, and a second edge 53.
  • the second curved portion 51 is formed in a curved shape when viewed from the length direction X, and is formed in an arc shape that is convex toward the first member 1.
  • the second curved portion 51 extends to the other side in the height direction Z so that the distance from the first flange 13 increases as the distance from the contact portion 33 increases toward the other end.
  • the other end of the second curved portion 51 is continuous with the second vertical wall 22, and one end of the second curved portion 51 is continuous with the second void forming portion 52 via the second contact portion 55.
  • the second void forming portion 52 is formed in a substantially U shape when viewed from the length direction X, for example.
  • One end 52a and the other end 52b of the second void forming portion 52 in the width direction Y are in contact with the first void forming portion 42, while the intermediate portion of the second void forming portion 52 is separated from the first flange 13. are doing.
  • the first flange 13 and the second flange 23 are separated from each other at the position between the joint portion 32 and the contact portion 33.
  • the width and height of the gap 34 are appropriately set according to the target frictional force between the flanges 13 and 23 at the contact portion 33.
  • One end of the second void forming portion 52 is continuous with the second edge 53.
  • the second edge 53 is an edge portion (edge portion) of the second member 2 in the width direction Y.
  • the second edge 53 is also the tip of the second flange 23 in the width direction Y.
  • One end (base end) of the second edge 53 is continuous with the second void forming portion 52, and one end (tip) of the second edge 53 is a free end.
  • the second edge 53 extends along the width direction Y.
  • a gap is formed between the first edge portion 43 and the second edge portion 53.
  • the joint portion 32 is formed by joining the first flange 13 and the second flange 23 (the first flange material and the second flange material described later) to each other in a state where at least one is crushed to the other side. Has been done. In the present embodiment, in the joint portion 32, the flanges 13 and 23 are crushed toward each other in a state where the first flange 13 is crushed toward the second flange 23 and the second flange 23 is crushed toward the first flange 13. It is formed by being joined. Spot welding can be exemplified as the joining in this case.
  • the joint portion 32 is formed by, for example, intermittently performing spot welding in the length direction X.
  • the joint portion 32 may be formed by joining the first flange 13 and the second flange 23 in a state of being pressed against each other over the entire area in the length direction X.
  • the joint portion 32 has a first joint portion 44 formed on the first flange 13 and a second joint portion 54 formed on the second flange 23.
  • the first joint portion 44 is provided at one end 42a of the first void forming portion 42 near the first edge portion 43, and extends in the width direction Y.
  • the first gap forming portion 42 is formed by crushing the first flange material, which is the material of the first flange 13, toward the second flange material side, which is the material of the second flange 23, and plastically deforming the first gap.
  • the other end 42b (first contact portion 45) of the forming portion 42 is pushed toward the second contact portion 55 of the second flange 23.
  • the second joint portion 54 is a portion of the second flange 23 that is joined to the first joint portion 44 by joining, and is formed at one end 52a of the second void forming portion 52 near the second edge 53.
  • the second gap forming portion 52 is formed by crushing and deforming the second flange material, which is the material of the second flange 23, toward the first flange material side, which is the material of the first flange 13, and forming the second gap.
  • the other end 52 (second contact portion 55) of the portion 52 is pushed toward the first contact portion 45 of the first flange 13.
  • the contact portion 33 is formed by slidably contacting the first flange 13 and the second flange 23 at a position separated from the joint portion 32.
  • the contact portion 33 has a first contact portion 45 formed on the first flange 13 and a second contact portion 55 formed on the second flange 23.
  • the first contact portion 45 is provided at the other end 42b of the first void forming portion 42 on the side of the first curved portion 41, and extends in the width direction Y. It can be said that the first contact portion 45 is formed at one end of the first curved portion 41. As described above, the first contact portion 45 is pressed against the second contact portion 55 side of the second flange 23.
  • the second contact portion 55 is provided on the other end 52b side of the second void forming portion 52 on the side of the second curved portion 51, and extends in the width direction Y. It can be said that the second contact portion 55 is provided at the other end of the second curved portion 51.
  • the second contact portion 55 is a portion of the second flange 23 that is pressed against the first contact portion 45, and by rubbing against the first contact portion 45, vibration energy is converted into heat energy and attenuated.
  • the first contact portion 45 and the second contact portion 55 are in direct contact with each other without using an adhesive.
  • "directly” means the steel plate forming the first flange 13, the coating layer formed on the surface of the steel plate, the plating layer formed on the surface of the steel plate, and the surface of the plating layer.
  • the vehicle body 100 including the joint structure 30 having the above configuration is input with an exciting force by vibrations from the engine, vibrations from the suspension, and vibrations generated by air pressure fluctuations on the vehicle surface.
  • This exciting force propagates through the skeleton of the vehicle body 100 and is transmitted to the joint structure 30.
  • the first contact portion 45 and the second contact portion 55 slide with each other by this exciting force to attenuate the vibration. That is, when the first contact portion 45 slides with respect to the second contact portion 55, the above-mentioned exciting force is consumed as heat energy and attenuated. As a result, vibration noise (panel vibration noise) can be suppressed.
  • the contact portion 33 is provided at one end of the curved portions 41 and 51.
  • the contact portions 45 and 55 are provided at one end of the curved portions 41 and 51 where the contact force between the flanges 13 and 23 is particularly high, so that the first contact portion 45 and the second contact portion 45 are in contact with each other. The amount of energy attenuation due to frictional sliding with the portion 55 can be increased.
  • the above is the outline configuration of the vehicle body 100. Next, an example of a method for manufacturing the vehicle body 100 will be described.
  • FIG. 3 (A) and 3 (B) are schematic cross-sectional views for explaining a process of joining the first flange 13 of the vehicle body 100 to the second flange 23 by joining.
  • first, the first flange material 61 and the second flange material 62 shown in FIG. 3A are prepared.
  • the first flange material 61 is the material of the first flange 13
  • the second flange material 62 is the material of the second flange 23.
  • the first flange material 61 is a first member except that a portion of the first flange 13 located on one end side in the width direction Y from the intermediate portion of the first void forming portion 42 is formed in a flat plate shape. It is formed in almost the same shape as 1. That is, the first flange material 61 has a first main body 11, a first vertical wall 12, and a first flange planned portion 71.
  • the first flange planned portion 71 includes a first curved portion 41, a first contact portion 45, the other end 42b of the first gap forming portion 42, and one end side in the width direction Y from the intermediate portion of the first gap forming portion 42. It has a first flat plate portion 72 extending to.
  • the first recess 73 is formed by the other end 42b of the first void forming portion 42 and the first flat plate portion 72.
  • the first recess 73 is a portion where the first flange material 61 and the second flange material 62 are separated from each other when the first flange material 61 and the second flange material 62 are brought into contact with each other.
  • the second flange material 62 is formed in a flat plate shape except that a portion of the second flange 23 located on one end side in the width direction Y from the intermediate portion of the second void forming portion 52 is formed in a flat plate shape. It is formed in the same shape as the second member 2. That is, the second flange material 62 has a second main body 21, a second vertical wall 22, and a second flange planned portion 81.
  • the second flange planned portion 81 includes a second curved portion 51, a second contact portion 55, the other end 52b of the second gap forming portion 52, and one end side in the width direction Y from the intermediate portion of the second gap forming portion 52. It has a second flat plate portion 82 extending to.
  • the second concave portion 83 is formed by the other end 52b of the second void forming portion 52 and the second flat plate portion 82.
  • the second recess 83 is formed with the first flange material 61 and the second flange material 62 when the first contact portion 45 of the first flange material 61 and the second contact portion 55 of the second flange material 62 are brought into contact with each other. Is the separated part.
  • the first contact portion 45 of the first flange material 61 and the second contact portion 55 of the second flange material 62 are opposed to each other.
  • the flat plate portions 72 and 82 are arranged in parallel or non-parallel to each other so that the gaps between the flat plate portions 72 and 82 expand toward the corresponding edge portions 43 and 53.
  • the recesses 73 and 83 are deformed as shown in FIG. 3 (B).
  • the clamps of the spot welding gun 90 sandwich the flange materials 61 and 62 so that the portions of the recesses 73 and 83 to be the joints 32 are in contact with each other.
  • the portions of the flange materials 61 and 62 that will be the joint portions 32 are abutted, and the abutted portions are joined by spot welding or the like to form the joint portion 32.
  • the first contact portion 45 and the second contact portion 55 are slidably pressed by the deformation of the flat plate portions 72 and 82.
  • the flange materials 61 and 62 are formed so that gaps (recesses 73 and 83) are formed in the vicinity of the portion to be the joint portion 32 before spot welding, and the flange materials 61 and 62 are sandwiched by the spot welding gun 90. While joining, the flange materials 61 and 62 are forcibly brought into contact with each other. As a result, the first contact portion 45 and the second contact portion 55 come into strong contact with each other at the contact portion 33, which is a portion other than the joint portion 32.
  • the first flange 13 is formed, the second flange 23 is formed, and these flanges 13 and 23 are joined to each other at the joint portion 32. It is not necessary to have either the recess 73 of the flange material 61 or the recess 83 of the flange material 62.
  • the planned flange portion of the flange material in which the recess is not provided is formed flat.
  • the joint portion 32 and the contact portion 33 capable of attenuating the vibration energy can be joined by a simple operation of sandwiching the recesses 73 and 83 with the clamps of the spot welding gun 90. , Can be formed.
  • FIG. 4A is a diagram showing a first modification, and shows a cross section seen from the length direction X.
  • the configuration in which the curved portion (second curved portion 51) is formed on the second member 2 has been described as an example, but this may not be the case.
  • a second member 2A without a curved portion may be provided instead of the second member 2.
  • the second flange 23A of the second member 2A is formed in a flat plate shape, for example.
  • the second void forming portion 52 of the second flange 23 is formed in a U shape when viewed from the length direction X.
  • the joint structure 30A of the first modification the second void forming portion 52 of the second flange 23A of the second member 2A is formed in a flat plate shape extending straight along the width direction Y.
  • FIG. 4B is a diagram showing a second modified example, and shows a cross section seen from the length direction X.
  • the second flange 23A is not provided with a curved portion.
  • the second flange 23B is provided with the second curved portion 51 and the second vertical wall 22.
  • FIG. 5A is a diagram showing a third modified example, and shows a cross section seen from the length direction X.
  • the first curved portion 41 and the first vertical wall 12 are provided on the first member 1
  • the first member 1C may be provided instead of the first member 1, which is not provided with a curved portion and a vertical wall.
  • the first main body 11 of the first member 1C is directly continuous with the first contact portion 45.
  • FIG. 5B is a diagram showing a fourth modified example, showing a cross section seen from the length direction X.
  • the curved portions 41, 51, the contact portion 33, the void forming portion 31, and the joint portion 32 are arranged in this order from the other end in the width direction Y along one end.
  • the curved portions 41, 51, the joint portion 32, the gap forming portion 31, and the contact portion 33 are arranged in this order from the other end in the width direction Y along one end. Has been done.
  • the contact portion 33 is arranged on the edge portions 43, 53 of the flanges 13D, 23D.
  • the length of the contact portion 33 in the width direction Y is appropriately set according to the pressure of the target frictional resistance force between the first contact portion 45 and the second contact portion 55.
  • a joint portion 32 is arranged between the contact portion 33 and the curved portions 41 and 51.
  • FIG. 6 (A) and 6 (B) are schematic cross-sectional views for explaining a process of joining the first flange 13D to the second flange 23D.
  • first, the first flange material 61D and the second flange material 62D shown in FIG. 6A are prepared.
  • the first flange material 61D is the material of the first flange 13D
  • the second flange material 62D is the material of the second flange 23D.
  • the first flange material 61D has the same shape as the first member 1D except that the portion of the first flange 13D from the intermediate portion to the first curved portion 41 of the first void forming portion 42 is formed in a flat plate shape. Is formed in. That is, the first flange material 61D has a first main body 11, a first vertical wall 12, and a first flange planned portion 71D.
  • the first flange planned portion 71D is formed from one end 42a of the first gap forming portion 42, the first contact portion 45 formed on the one end 42a (first edge portion 43), and the intermediate portion of the first gap forming portion 42. It has a first flat plate portion 72D extending to the other end side in the width direction Y and a first curved portion 41. Then, the first recess 73D is formed by one end 42a of the first void forming portion 42 and the first flat plate portion 72D.
  • the first recess 73D is a portion where the first flange material 61D and the second flange material 62D are separated from each other when the first flange material 61D and the second flange material 62D are brought into contact with each other.
  • the second flange material 62D is the second member 2D except that the portion of the second flange 23D from the intermediate portion to the second curved portion 51 of the second void forming portion 52 is formed in a flat plate shape. It is formed in the same shape as. That is, the second flange material 62D has a second main body 21, a second vertical wall 22, and a second flange planned portion 81D.
  • the second flange planned portion 81D is formed from one end 52a of the second gap forming portion 52, the second contact portion 55 formed on the one end 52a (second edge portion 53), and the intermediate portion of the second gap forming portion 52.
  • a second flat plate portion 82D extending to the other end side in the width direction Y, and a second curved portion 51.
  • a second recess 83D is formed by one end 52a of the second void forming portion 52 and the second flat plate portion 82D.
  • the second recess 83D is a portion where the first flange material 61D and the second flange material 62D are separated from each other when the first flange material 61D and the second flange material 62D are brought into contact with each other.
  • the first contact portion 45 of the first flange material 61D and the second contact portion 55 of the second flange material 62D are opposed to each other.
  • the flat plate portions 72D and 82D are parallel to each other or non-parallel to each other or in the vicinity of the edge portions 43 and 53 so that the gap between them narrows toward the corresponding edge portions 43 and 53. It is arranged in a state where a curved portion is formed.
  • the recesses 73D and 83D are deformed as shown in FIG. 6B.
  • the clamps of the spot welding gun 90 sandwich the flange materials 61D and 62D so that the portions to be the joints 32 are in contact with each other.
  • the flange materials 61D and 62D the portions to be the joint portions 32 are abutted, and the abutted portions are spot welded to form the joint portion 32.
  • the first flange material 61D and the second flange material 62D are slidably pushed at the contact portion 33 at a position separated from the joint portion 32.
  • the flange materials 61D and 62D are formed so that a gap (gap between the recesses 73D and 83D) is formed in the vicinity of the portion to be the joint portion 32 before spot welding, and the flange materials 61D and 62D are formed by the spot welding gun 90. Welding is performed while forcibly contacting the flange materials 61D and 62D while sandwiching them. As a result, the first contact portion 45 and the second contact portion 55 come into strong contact with each other at a portion other than the joint portion 32.
  • FIG. 7A is a diagram showing a fifth modified example, showing a cross section seen from the length direction X.
  • the configuration in which the curved portion (second curved portion 51) is formed on the second member 2D has been described as an example, but this may not be the case.
  • a flat plate-shaped second member 2E without a curved portion may be provided in the joint structure 30E.
  • FIG. 7B is a diagram showing a sixth modification, showing a cross section seen from the length direction X.
  • the second member 2E was a flat member on which no curved portion and vertical wall were formed.
  • a second curved portion 51 and a second vertical wall 22 are provided on the second member 2F of the joint structure 30F of the sixth modification.
  • FIG. 8 is a diagram showing a seventh modification, and shows a cross section seen from the length direction X.
  • the first member 1D had a first curved portion 41 and a first vertical wall 12.
  • the curved portion and the vertical wall are not provided.
  • an inclined portion is formed on the other end side of the first joint portion 44 so as to slightly rise to one of the height directions Z as it advances toward the other end side along the width direction Y.
  • the first main body 11 is continuous at the end.
  • FIG. 9 is a view showing an eighth modification, and shows a cross section seen from the width direction Y.
  • the joint structure 30H is provided in the eighth modification shown in FIG.
  • the joining structure 30H is formed by providing a plurality of embossed shaped portions having symmetrical shapes on the first flange 13H and the second flange 23H, and narrowing the gap between the embossed shaped portions to join them.
  • the joint structure 30H has a first flange 13H, a second flange 23H, a joint portion 32, a pair of gap forming portions 31, 31 arranged so as to sandwich the joint portion 32, and a contact portion 33. There is.
  • the first flange 13H and the second flange 23H extend with the length direction X as the longitudinal direction, and are arranged to face each other in the height direction Z.
  • the contact portion 33 is arranged between the two joint portions 32, 32 in the length direction X. Further, a contact portion 33 is also arranged at an end portion in the length direction X.
  • the first vertical wall 12 is continuous with the end of the first flange 13H in the width direction Y.
  • the second vertical wall 22 is continuous with the end of the second flange 23H in the width direction Y.
  • the contact portion 33, one gap forming portion 31, the joining portion 32, and the other gap forming portion 31 are made into one set, and this set is formed. Multiple are arranged.
  • the first flange 13H has a first contact portion 45, a pair of first void forming portions 42, 42, and a first joining portion 44 arranged between the first void forming portions 42, 42. ing.
  • the second flange 23H has a second contact portion 55, a pair of second gap forming portions 52, 52, and a second joint portion 54 arranged between the second gap forming portions 52, 52. ing.
  • the joint portion 32 is formed by joining the first flange 13H and the second flange 23H to each other with at least one crushed to the other side.
  • these flanges 13H and 23H are crushed to each other in a state where the first flange 13H is crushed to the second flange 23H side and the second flange 23H is crushed to the first flange 13H side. It is formed by being joined.
  • the first contact portion 45 is pushed toward the second flange 23H side by forming the first void forming portion 42 by deformation of the material. Further, the second contact portion 55 is pushed toward the second flange 23H side by forming the second gap forming portion 52 by deformation of the material. With such a configuration, the first contact portion 45 rubs against the second contact portion 55 to convert vibration energy into heat energy and attenuate it.
  • FIG. 10 is a schematic perspective view for explaining a process of joining the first flange 13H to the second flange 23H.
  • 11 (A) and 11 (B) are schematic cross-sectional views for explaining a step of joining the first flange 13H to the second flange 23H.
  • first, the first flange material 61H and the second flange material 62H shown in FIGS. 10 and 11A are prepared.
  • the first flange material 61H is the material of the first flange 13H
  • the second flange material 62H is the material of the second flange 23H.
  • the portion of the first flange 13H on which the pair of first void forming portions 42, 42 and the first joint portion 44 are formed is recessed with respect to the first contact portion 45 as a whole. Points are formed in the same shape as the first flange 13H. That is, the first flange material 61H has a first contact portion 45 and a first recess 73H. The first contact portion 45 and the first recess 73 are alternately arranged in the length direction X.
  • the first recess 73H is a portion where the first flange material 61H and the second flange material 62H are separated from each other when the first flange material 61H and the second flange material 62H are brought into contact with each other.
  • the portion of the second flange 23H on which the pair of second void forming portions 52, 52 and the second joint portion 54 are formed is recessed with respect to the second contact portion 55 as a whole.
  • the points other than the dents are formed in the same shape as the second flange 23H. That is, the second flange material 62H has a second contact portion 55 and a second recess 83H.
  • the second contact portion 55 and the second recess 83H are alternately arranged in the length direction X.
  • the second recess 83H is a portion where the first flange material 61H and the second flange material 62H are separated from each other when the first flange material 61H and the second flange material 62H are brought into contact with each other.
  • the recess 73H After preparing the first flange material 61H and the second flange material 62H, the recess 73H, while making contact between the first contact portion 45 of the first flange material 61H and the second contact portion 55 of the second flange material 62H, At 83H, the first flange material 61H and the second flange material 62H are butted against each other. As a result, as shown in FIG. 11B, the recesses 73H and 83H are deformed. Specifically, the clamps of the spot joining gun 90 sandwich the flange materials 61H and 62H so that the portions of the recesses 73H and 83H that are to be joined portions 32 are in contact with each other.
  • the portions to be the joint portions 32 are abutted, and the abutted portions are joined by spot welding or the like to form the joint portion 32.
  • the first flange material 61H and the second flange material 62H are slidably pushed at the contact portion 33 at a position separated from the joint portion 32.
  • the flange materials 61H and 62H are formed so that gaps (recesses 73H and 83H) are formed in the portion to be the joint portion 32 before the spot joining, and the flange material 61H and 62H are sandwiched by the spot joining gun 90. Joining is performed while forcibly contacting 61H and 62H. As a result, the first contact portion 45 and the second contact portion 55 come into strong contact with each other at a portion (contact portion 33) other than the joint portion 32.
  • the first flange 13H is formed, the second flange 23H is formed, and these flanges 13H and 23H are joined to each other.
  • the joint portion 32 may be formed over the entire width direction Y, or the joint portion 32 may be formed only in a part thereof.
  • the joint portion 32 is formed on a part of the flanges 13H and 23H in the length direction X, the recess in the length direction X when the first flange material 61H and the second flange material 62H are joined by the spot joining gun 90. Only a part of 73H and 83H is deformed and joined.
  • FIG. 12 is a schematic perspective view showing a part of an automobile body 600 (hereinafter, also simply referred to as “body 600”) according to the second embodiment of the present invention.
  • FIG. 13 is a view showing a part of the vehicle body 600, and shows a state seen from the length direction X.
  • the longitudinal direction of the joint structure 570 of the vehicle body 600 shown in FIG. 12 is referred to as the length direction X.
  • the back side of the paper surface in FIG. 13 is positive.
  • the width direction of the joint structure 570 is referred to as a width direction Y.
  • the width direction Y is the left-right direction of FIGS. 12 and 13, and the left direction of the paper is positive.
  • a direction orthogonal to both the length direction X and the width direction Y is referred to as a height direction Z. In the height direction Z, the upper side of the paper surface of FIGS. 12 and 13 is positive.
  • the length direction X, the width direction Y, and the height direction Z may or may not coincide with the vehicle length direction, the vehicle width direction, and the vehicle height direction of the vehicle body 600, respectively. ..
  • one side of the width direction Y is referred to as “one end side”
  • the other side is referred to as “the other end side”.
  • the vehicle body 600 has a panel 501 and a skeleton member 504.
  • the panel 501 is, for example, an exterior member of the vehicle body 600, and is not a skeleton member that is responsible for the weight of the automobile other than the panel 501 and the external force from the suspension.
  • an exterior member include an automobile outer panel, a roof panel, a rear quarter panel, a bonnet hood (hood inner panel, hood outer panel), and a door panel (door inner panel, door outer panel).
  • the panel 501 may be an exterior member other than the members exemplified above.
  • the panel 501 is formed into a thin plate shape by pressing a thin plate.
  • the skeleton member 504 is provided as a skeleton member of the vehicle body 600.
  • a skeleton member 504 include a front side member, an A pillar, a B pillar, a C pillar, a side sill, a rear side member, and a cross member.
  • the skeleton member 504 may be any member of the automobile 600 that receives the weight of the parts other than the skeleton member 504 and the load from the suspension, and may be a member other than the members illustrated above.
  • the panel 501 has a panel main body 511, a panel vertical wall 512, and a first flange 513.
  • the skeleton member 504 has a first half portion 502 and a second half portion 503 combined with the first half portion 502.
  • the first half portion 502 has a crank-shaped cross section, and has a first main body 521, a first vertical wall 522, and a second flange 523.
  • the second half portion 503 has a crank-shaped cross section, and has a second main body 531, a second vertical wall 532, and a third flange 533.
  • the thin plate constituting the panel 501 is, for example, a mild steel plate.
  • the materials constituting the panel 501, the first half portion 502, and the second half portion 503 include a resin plate including steel, aluminum, magnesium, and fiber reinforced, and a tube.
  • the materials and shapes of 501, the first half portion 502, and the second half portion 503 may be different.
  • the panel 501, the first half portion 502, and the second half portion 503 may each be formed of a single material or a composite material.
  • the method of joining the panel 501 and the first half 502 and the method of joining the first half 502 and the second half 503 are such as welding spots, lasers, arcs, seams, etc., rivets, caulking, bolting, etc. Includes mechanical bonding and bonding with adhesives.
  • the panel vertical wall 512 extends from the panel body 511.
  • the panel body 511 is continuous with the other end of the panel vertical wall 512, and the first flange 513 is continuous with one end of the panel vertical wall 512.
  • the first flange 513 is joined to the second flange 523 of the first half portion 502.
  • the first vertical wall 522 extends from the first main body 521.
  • the first main body 521 is continuous with the other end of the first vertical wall 522, and the second flange 523 is continuous with one end of the first vertical wall 522.
  • the first flange 513 and the second flange 523 are arranged to face each other in the height direction Z.
  • the vehicle body 600 is provided with a joint structure 570 including a first flange 513, a second flange 523, and a third flange 533.
  • the joining structure 570 is provided for joining the panel 501 to the skeleton member 504.
  • the joint structure 570 includes a first flange 513, a second flange 523, a panel gap forming portion 571 formed by these flanges 513 and 523, a panel joint portion 572 and a panel contact portion 573, and a third flange 533. It has a half-joint portion 575 formed by a second flange 523 and a third flange 533.
  • the first flange 513 has a panel curved portion 540, a panel side gap forming portion 541, a panel side joint portion 542, a panel side contact portion 543, and a panel edge portion 544.
  • the panel curved portion 540 is formed in a curved shape when viewed from the length direction X, and is formed in an arc shape that is convex toward the first half portion 502.
  • the panel curved portion 540 extends to the other side in the height direction Z so that the distance from the second flange 523 increases as the distance from the panel contact portion 573 toward the other end side increases.
  • the other end of the panel curved portion 540 is continuous with the panel vertical wall 512, and one end of the panel curved portion 540 is continuous with the panel side gap forming portion 541 via the panel side contact portion 543.
  • the panel-side gap forming portion 541 forms a gap 574 in cooperation with the first gap forming portion 551 of the second flange 523, which will be described later.
  • the panel void forming portion 571 is formed by the panel side void forming portion 541 and the first void forming portion 551.
  • the panel-side gap forming portion 541 is formed, for example, in a substantially U shape when viewed from the length direction X.
  • One end 541a and the other end 541b of the panel-side gap forming portion 541 in the width direction Y are in contact with the second flange 523, while the intermediate portion of the panel-side gap forming portion 541 is separated from the second flange 523. There is.
  • a gap 574 is formed between the intermediate portion of the panel-side gap forming portion 541 as the separated portion and the first gap forming portion 551 of the second flange 523.
  • One end 541a of the panel-side gap forming portion 541 is continuous with the panel edge portion 544 via the panel-side joint portion 542.
  • the panel edge portion 544 is an edge portion (edge edge portion) of the panel 501 in the width direction Y.
  • the panel edge portion 544 is also the tip end portion of the first flange 513 in the width direction Y.
  • One end (tip) of the panel edge portion 544 is a free end.
  • the second flange 523 has a first curved portion 550, a first void forming portion 551, a first joint portion 552, a first contact portion 553, and a first edge 554.
  • the first curved portion 550 is formed in a curved shape when viewed from the length direction X, and is formed in an arc shape that is convex toward the second half portion 503.
  • the first curved portion 550 extends to the other side in the height direction Z so that the distance from the panel contact portion 573 toward the other end side increases and the distance from the third flange 533 increases.
  • the other end of the first curved portion 550 is continuous with the first vertical wall 522, and one end of the first curved portion 550 is continuous with the first void forming portion 551 via the first contact portion 553.
  • the first void forming portion 551 is formed in a flat shape. One end 551a and the other end 551b of the first void forming portion 551 in the width direction Y are in contact with the panel side void forming portion 541, while the intermediate portion of the first void forming portion 551 is separated from the first flange 513. are doing.
  • the gap 574 is formed by the first flange 513 and the second flange 523 (panel side gap forming portion 541 and first gap forming portion 551) at a position between the panel joint portion 57 2 and the panel contact portion 573. It is formed between the first flange 513 and the second flange 523 by being separated from each other.
  • the width and height of the gap 574 are appropriately set according to the target frictional pressure between the flanges 513 and 523 in the panel contact portion 573.
  • One end 551a of the first void forming portion 551 is continuous with the first edge 554 via the first joining portion 552.
  • the first edge 554 is an edge portion (end edge portion) of the first half portion 502 in the width direction Y.
  • the first edge 554 is also the tip of the second flange 523 in the width direction Y.
  • One end (tip) of the first edge 554 is a free end.
  • the first edge 554 extends along the width direction Y.
  • a gap is formed between the panel edge portion 544 and the first edge portion 554.
  • the panel joint portion 572 is formed by joining the first flange 513 and the second flange 523 (the first flange material and the second flange material described later) to each other in a state where at least one of them is crushed to the other side. It is formed.
  • the panel joint portion 572 is formed by joining the flanges 513 and 523 to each other in a state where the first flange 513 is crushed toward the second flange 523. Spot welding can be exemplified as the joining in this case.
  • the panel joint portion 572 is formed by, for example, intermittently performing spot welding in the length direction X.
  • the panel joint portion 572 may be formed by joining the first flange 513 and the second flange 523 in a state of being pressed against each other over the entire area in the length direction X.
  • the panel joint portion 572 has a panel side joint portion 542 formed on the first flange 513 and a first joint portion 552 formed on the second flange 523.
  • the panel-side joint portion 542 is provided at one end 541a of the panel-side gap forming portion 541 near the panel edge portion 544 and extends in the width direction Y.
  • the panel-side gap forming portion 541 is formed by crushing the first flange material, which is the material of the first flange 513, toward the second flange material side, which is the material of the second flange 523, and plastically deforming the panel-side gap.
  • the other end 541b (panel side contact portion 543) of the forming portion 541 is pushed toward the first contact portion 553 side of the second flange 523.
  • the first joint portion 552 is a portion of the second flange 523 that is joined to the panel side joint portion 542 by joining, and is formed on one end 551a side of the first void forming portion 551 near the first edge 554. It extends in the width direction Y.
  • the panel contact portion 573 is formed by slidably contacting the first flange 513 and the second flange 523 at a position separated from the panel joint portion 572.
  • the panel contact portion 573 has a panel side contact portion 543 formed on the first flange 513 and a first contact portion 553 formed on the second flange 523.
  • the panel-side contact portion 543 is provided at the other end 541b of the panel-side gap forming portion 541 on the panel curved portion 540 side, and extends in the width direction Y. It can be said that the panel-side contact portion 543 is formed at one end of the panel curved portion 540. As described above, the panel-side contact portion 543 is pressed against the first contact portion 553 side of the second flange 523. In the present embodiment, the first contact portion 553 is provided on the other end 551b side of the first void forming portion 551 on the first curved portion 550 side, and extends in the width direction Y. It can be said that the first contact portion 553 is provided at one end of the first curved portion 550.
  • the first contact portion 553 is a portion of the second flange 523 that is pressed against the panel side contact portion 543, and by rubbing against the panel side contact portion 543, vibration energy is converted into heat energy and attenuated.
  • the panel-side contact portion 543 and the first contact portion 553 are in direct contact with each other without using an adhesive.
  • "directly” means the steel plate forming the first flange 513, the plating layer formed on the surface of the steel plate, the coating layer formed on the surface of the steel plate, and the surface of the plating layer.
  • the first half portion 502 constitutes the other side portion of the skeleton member 504 in the height direction Z
  • the second half portion 503 forms one side portion of the skeleton member 504 in the height direction Z. It is configured.
  • the skeleton member 504 receives the weight of the automobile and the load from the suspension. Therefore, it is preferable that the first half portion 502 and the second half portion 503 are made of a steel plate.
  • the first half portion 502 and the second half portion 503 are each formed into a thin plate shape by pressing the steel plate.
  • This steel sheet is preferably a high-strength steel sheet, and the tensile strength of this steel sheet is preferably 440 MPa or more.
  • This steel sheet is more preferably an ultra-high-strength steel sheet, and the tensile strength in this case is preferably 590 MPa or more, more preferably 780 MPa or more.
  • the first half portion 502 forms a closed cross section when viewed in the length direction X by cooperating with the second half portion 503 (in FIGS. 12 and 13, a part of the closed cross section is formed). Is illustrated).
  • This closed cross section may be formed in a U shape when viewed in the length direction X, or may be formed in a trapezoidal shape, a rectangular shape, or the like. Further, this closed cross section may be formed in the entire length direction X as in the present embodiment, or may be formed in a part of the length direction X in the skeleton member 504. With such a configuration, the skeleton member 504 is a hollow member.
  • the second main body 531 of the second half portion 503 is, for example, a flat plate-shaped portion, which extends along the width direction Y.
  • a second vertical wall 532 extends from the second main body 531.
  • the second main body 531 is continuous with the other end of the second vertical wall 532, and the third flange 533 is continuous with one end of the second vertical wall 532.
  • the third flange 533 is arranged to face the second flange 523 in the height direction Z.
  • the second flange 523 and the third flange 533 are joined to each other at a position overlapping the panel joint portion 572 in the height direction Z (thickness direction of the panel 501) to form a half joint portion 575. That is, the panel joint portion 572 and the half joint portion 575 are formed at the locations where the first flange 513, the second flange 523, and the third flange 533 are overlapped, so that the panel joint portion 572 and the half joint portion 572 are partially joined.
  • the portion 575 and the portion 575 are arranged so as to overlap each other in the thickness direction of the panel 501.
  • the skeleton member 504 is provided with the half joint portion 575.
  • the joining method at the half joining portion 575 is the same as the joining method described above.
  • the half joint portion 575 includes a first half joint portion 561 formed on the second flange 523 and a second half joint portion 562 formed on the third flange 533.
  • the second half joint portion 562 is formed in a portion of the third flange 533 that is recessed on the second flange 523 side.
  • Flange gaps 580 and 580 are formed by separating the second flange 523 and the third flange 533 on both sides of the half joint portion 575 in the width direction Y.
  • the second flange 523 and the third flange 533 are firmly fixed by the half joint portion 575.
  • the half joint portion 575 regulates the relative movement (relative sliding) between the second flange 523 and the third flange 533 even when the excitation force is input to the skeleton member 504. Further, the second flange 523 and the third flange 533 do not come into contact with each other in a range other than the half joint portion 575 to be joined. For this reason, in the vehicle body frame (skeleton member 504) that greatly contributes to the vehicle body rigidity that affects the steering stability of the vehicle, friction is maintained at the joint flanges 523 and 533 while ensuring the rigidity by joining at the half joint portion 575. Since it is suppressed to cause the structural hysteresis, the structural hysteresis can be suppressed.
  • the vehicle body 600 including the joint structure 570 having the above configuration is input with an exciting force by vibration from the engine, vibration from the suspension, and vibration generated by air pressure fluctuation on the vehicle surface.
  • This exciting force propagates through the skeleton member 504 of the vehicle body 600 and is transmitted to the joint structure 570.
  • the panel-side contact portion 543 and the first contact portion 553 of the panel contact portion 573 slide with each other by this exciting force to attenuate the vibration. That is, when the panel-side contact portion 543 slides with respect to the first contact portion 553, the above-mentioned exciting force is consumed as heat energy and attenuated. As a result, vibration noise (panel vibration noise) can be suppressed.
  • the relative displacement between the second flange 523 and the third flange 533 is regulated by the half joint portion 575.
  • the relative displacement between the first half portion 502 and the second half portion 503 in the skeleton member 504 can be suppressed. Therefore, the rigidity of the skeleton member 504 can be further increased. As a result, the structural hysteresis of the vehicle body 600 (skeleton member 504) can be suppressed.
  • Structural hysteresis is a phenomenon that is often seen in mechanical structures that deform or displace under a periodic load, and draws a path in which loading and unloading differ in the relationship between load and displacement. For example, when the automobile turns from the straight-ahead state and returns to the straight-ahead state, the relationship between the steering angle of the steering wheel and the behavior of the vehicle body 600 is different between the straight-ahead ⁇ turn and the turn-> straight-ahead. If it is small, it can be said that the structural hysteresis is small. The small structural hysteresis can improve the steering stability of the vehicle and the sensory evaluation of the driver.
  • the above-mentioned addition is performed by increasing the bonding force between these half portions 502 and 503.
  • the panel contact portion 573 is provided at the joint portion between the panel 501 and the skeleton member 504, so that the vibration of the vehicle body 600 is damped by the panel contact portion 573. it can. As a result, it is possible to achieve both steering stability in an automobile, sensory evaluation of the driver, and quietness.
  • a panel contact portion 573 is provided at one end of the curved portions 540 and 550.
  • the contact portions 543 and 553 are provided at one end of the curved portions 540 and 550 as locations where the contact force between the flanges 513 and 523 is particularly high, so that the first contact with the panel side contact portion 543 is provided.
  • the amount of energy attenuation due to frictional sliding with the portion 553 can be increased.
  • the above is the outline configuration of the vehicle body 600. Next, an example of a method for manufacturing the vehicle body 600 will be described.
  • FIG. 14 is a schematic view for explaining a process of joining the first flange 513 of the vehicle body 600 to the second flange 523.
  • first, the first flange material 601 and the second flange material 602 and the third flange shown in FIG. 14 are joined.
  • the first flange material 601 is the material of the first flange 513
  • the second flange material 602 is the material of the second flange 523
  • the third flange material 603 is the material of the third flange 533.
  • the first flange material 601 is the same as the panel 501 except that the portion of the first flange 513 located on one end side in the width direction Y from the intermediate portion of the panel side gap forming portion 541 is formed in a flat plate shape. It is formed in almost the same shape. That is, the first flange material 601 has a panel main body 511, a panel vertical wall 512, and a first flange planned portion 611.
  • the first flange planned portion 611 is formed from the intermediate portion of the panel curved portion 540, the panel side contact portion 543, the other end 541b of the panel side gap forming portion 541, and the panel side gap forming portion 541 to one end side in the width direction Y.
  • the panel recess 613 is formed by the other end 541b of the panel-side gap forming portion 541 and the panel flat plate portion 612.
  • the panel recess 613 is a portion where the first flange material 601 and the second flange material 602 are separated from each other when the first flange material 601 and the second flange material 602 are brought into contact with each other.
  • the second flange material 602 and the third flange material 603 are formed in the same shape as the corresponding first half portion 502 and second half portion 503.
  • a part of the second flange 523 of the second flange material 602 is a second flange material when the panel side contact portion 543 of the first flange material 601 and the first contact portion 553 of the second flange material 602 are brought into contact with each other.
  • the 602 and the third flange material 603 are separated from each other.
  • the panel side contact portion 543 of the first flange material 601 and the first contact portion 553 of the second flange material 602 face each other.
  • the second flange 523 of the second flange material 602 and the third flange 533 of the third flange material 603 face each other.
  • the panel recess 613 is deformed by abutting the first flange material 601 and the second flange material 602 against each other at the location where the panel recess 613 is arranged.
  • the clamp of the spot welding gun 90 sandwiches the first flange material 601, the second flange material 602, and the third flange material 603. That is, the spot welding gun 90 sandwiches the flange materials 601, 602, 603 so that the portions of the recesses 613 that serve as the panel joints 572 are in contact with each other.
  • the portions of the flange materials 601, 602 that will be the panel joints 572 are butted, and the butted portions are joined by spot welding or the like to form the panel joints 572 and the half joints 575. ..
  • the panel side contact portion 543 and the first contact portion 553 are slidably pressed by the deformation of the panel flat plate portion 612.
  • the flange materials 601, 602 are formed so that a gap (recess 613) is formed in the vicinity of the portion to be the panel joint portion 572 before spot welding, and the flange materials 601, 602 are sandwiched by the spot welding gun 90. Welding is performed while forcibly contacting the flange materials 601, 602. As a result, the panel-side contact portion 543 and the first contact portion 553 come into strong contact with each other at the panel contact portion 573, which is a portion other than the panel joint portion 572.
  • the first flange 513 is formed, the second flange 523 is formed, and the first flange 513 and the second flange 523 are joined to each other at the panel joint portion 572. Further, the second and third flanges 523 and 533 are joined to each other at the half joint portion 575.
  • the first recess may be formed in the second flange material 602 at a position facing the panel recess 613 in the height direction Z. In this case, the panel recess 613 may not be provided.
  • the planned flange portion of the flange material in which the recess is not provided is formed flat.
  • the panel joint portion 572 and the vibration energy can be attenuated by a simple operation of joining the recess 613 and the second flange material 602 while sandwiching them with the clamps of the spot welding gun 90.
  • Panel contact portion 573 and the like can be formed.
  • the panel joint portion 572 and the half joint portion 575 are formed at the positions where the first flange 513, the second flange 523, and the third flange 533 are overlapped, whereby the panel joint is formed.
  • the portion 572 and the half joint portion 575 are arranged so as to overlap each other in the thickness direction of the panel 501.
  • the panel recess 613 of the first flange material 601, the second flange 523 of the second flange material 602, and the third flange 533 of the third flange material 603 are overlapped and sandwiched by the spot welding gun 90. be able to. Therefore, the joining work of the first flange 513 and the second flange 523 and the joining work of the second flange 523 and the third flange 533 can be performed collectively.
  • FIG. 15A is a diagram showing a first modification of the second embodiment, and shows a state seen from the length direction X.
  • the curved portions 540, 550, the panel contact portion 573, the panel gap forming portion 571, and the panel joint portion 572 are arranged in this order from the other end in the width direction Y along one end.
  • this does not have to be the case.
  • the curved portions 540, 550, the panel joint portion 572, the panel gap forming portion 571, and the panel contact portion 573 are arranged in this order from the other end in the width direction Y along one end. ing.
  • the panel contact portion 573 is arranged at the edge portions 544 and 554 of the flanges 513A and 523A.
  • the length of the panel contact portion 573 in the width direction Y is appropriately set according to the pressure of the target frictional resistance force between the panel side contact portion 543 and the first contact portion 553.
  • a panel joint portion 572 is arranged between the panel contact portion 573 and the curved portions 540 and 550.
  • the first flange material 601A, the second flange material 602A, and the third flange Prepare material 603A.
  • the panel of the first flange material 601A is provided except that a part of the portion extending from the other end of the panel side contact portion 543 is inclined so as to be away from the second flange material 602A and then extends flat to the panel curved portion 540. It has the same shape as 501A.
  • the second flange material 602A and the third flange material 603A are formed in the same shape as the corresponding first half portion 502A and second half portion 503A.
  • the contact portions 543 and 553 of the first flange material 601A and the second flange material 602A are brought into contact with each other, and the first half joint portion 561 of the second flange material 602A and the second half joint of the third flange material 603A are joined. It is brought into contact with the portion 562.
  • the portion where the panel joint portion 572 is formed is sandwiched between the clamps of the spot welding gun 90. As a result, the panel joint portion 572 and the half joint portion 575 are formed.
  • FIG. 16A is a diagram showing a second modification of the second embodiment, and is a view seen from the length direction X.
  • FIG. 16B is a schematic diagram for explaining a step of joining the first flange 513 to the second flange 523 in the second modification of the second embodiment.
  • one end side portion other than the second half portion joint portion 562 is formed in a flat plate shape. Other than that, it is the same as the second embodiment.
  • FIG. 17A is a diagram showing a third modification of the second embodiment, and is a diagram viewed from the length direction X.
  • FIG. 17B is a schematic diagram for explaining a step of joining the first flange 513 to the second flange 523 in the third modification of the second embodiment.
  • the first half portion 502C is formed by using a plate whose one end side portion is entirely flat. Other than that, it is the same as the second embodiment.
  • FIG. 18 is a diagram showing a fourth modification of the second embodiment, and is a view seen from the length direction X.
  • the entire third flange 533D of the second half portion 503D is formed in a flat plate shape. Other than that, it is the same as the second embodiment.
  • FIG. 19 (A) is a diagram showing a fifth modification of the second embodiment, and shows a diagram viewed from the length direction X.
  • FIG. 19B is a schematic diagram for explaining a step of joining the first flange 513E to the second flange 523E in the fifth modification of the second embodiment.
  • a pair of panel contact portions 573 are provided.
  • one panel contact portion 573, one panel gap forming portion 571, the panel joining portion 572, the panel gap forming portion 571, and the other panel contact are made in order from the other end to one end in the width direction Y. Parts 573 are lined up.
  • the intermediate portion in the width direction Y is formed in a shape that is convex toward the recessed portion formed in the second flange 523E, and the panel side joint portion 542 is formed in this portion. ing.
  • the first half joint portion 561 and the second half joint portion 562 are provided at positions aligned with the panel side joint portion 542 in the height direction Z.
  • the first flange material 601E has a flat flange portion that serves as the first flange 513E.
  • the second flange material 602E and the third flange material 603E have the same shape as the corresponding first half portion 502E and second half portion 503E. Then, the flange portion of the first flange material 601E and the second flange 523E of the second flange material 602E are overlapped, and further, the second flange 523E and the third flange 533E are overlapped.
  • the spot welding gun 90 performs the joining operation while sandwiching the portion forming the panel joint portion 572 and the half joint portion 575.
  • the first flange 513E is joined to the second flange 523E.
  • FIG. 20A is a diagram showing a sixth modification of the second embodiment, and is a diagram viewed from the length direction X.
  • FIG. 20B is a schematic diagram for explaining a step of joining the first flange 513E to the second flange 523E in the sixth modification of the second embodiment.
  • the entire third flange 533F is formed flat. Except for this point, it is the same as the fifth modification.
  • FIG. 21 is a schematic perspective view showing a part of an automobile body 800 (hereinafter, also simply referred to as “body 800”) according to the third embodiment of the present invention.
  • FIG. 22 is a cross-sectional view showing a part of the vehicle body 800 according to the third embodiment, and shows a state seen from the length direction X.
  • the longitudinal direction of the joint structure 770 of the vehicle body 800 shown in FIG. 21 is referred to as the length direction X.
  • the back side of the paper surface in FIG. 22 is positive.
  • the width direction of the joint structure 770 is referred to as a width direction Y.
  • the width direction Y is the left-right direction of FIGS. 21 and 22, and the left direction of the paper is positive.
  • a direction orthogonal to both the length direction X and the width direction Y is referred to as a height direction Z. In the height direction Z, the upper side of the paper surface of FIGS. 21 and 22 is positive.
  • the length direction X, the width direction Y, and the height direction Z may or may not coincide with the vehicle length direction, the vehicle width direction, and the vehicle height direction of the vehicle body 800, respectively. ..
  • one side of the width direction Y is referred to as “one end side”
  • the other side is referred to as “the other end side”.
  • the vehicle body 800 has a panel 701 and a skeleton member 704.
  • the panel 701 is, for example, an exterior member of the vehicle body 800, and is not a skeleton member that is responsible for the weight of the automobile and the external force from the suspension.
  • an exterior member include an automobile outer panel, a rear quarter panel, a roof panel, a door panel (door inner panel, door outer panel), and a bonnet hood (hood inner panel, hood outer panel).
  • the panel 701 may be an exterior member other than the members illustrated above.
  • the panel 701 is formed into a thin plate shape by pressing a thin plate.
  • the skeleton member 704 is provided as a skeleton member of the vehicle body 800.
  • Examples of such a skeleton member 704 include front side members, A pillars, B pillars, C pillars, side sills, and rear side members.
  • the skeleton member 704 may be any member of the automobile 800 that receives the weight of the parts other than the skeleton member 704 and the load from the suspension, and may be a member other than the members illustrated above.
  • the panel 701 has a panel main body 711, a panel vertical wall 712, and a first flange 713.
  • the skeleton member 704 has a first half portion 702 and a second half portion 703 combined with the first half portion 702.
  • the first half portion 702 has a hat-shaped cross section, and has a first main body 721, a pair of first vertical walls 722,724, and a pair of second flanges 723,725. are doing.
  • the second half portion 703 has a hat-shaped cross section in the present embodiment, and has a second main body 731, a pair of second vertical walls 732, 734, and a pair of third flanges 733 and 735. are doing.
  • the thin plate constituting the panel 701 is, for example, a mild steel plate.
  • the materials constituting the panel 701, the first half portion 702, and the second half portion 703 include a resin plate including steel, aluminum, magnesium, and fiber reinforced, and a tube.
  • the materials and shapes of the 701, the first half portion 702, and the second half portion 703 may be different.
  • the panel 701, the first half portion 702, and the second half portion 703 may be formed of a single material or a composite material, respectively.
  • the method of joining the panel 701 and the first half part 702 and the method of joining the first half part 702 and the second half part 703 are, respectively, welding of spots, lasers, arcs, seams, etc., rivets, caulking, bolt fastening, etc. Includes mechanical bonding and bonding with adhesives.
  • the panel vertical wall 712 extends from the panel body 711.
  • the panel body 711 is continuous with the other end of the panel vertical wall 712, and the first flange 713 is continuous with one end of the panel vertical wall 712.
  • the first flange 713 is joined to the second flange 723 of the first half portion 702.
  • first vertical walls 722 and 724 extend from the first main body 721.
  • the first main body 721 is continuous with the other end of one first vertical wall 722, and one second flange 723 is continuous with one end of the first vertical wall 722.
  • the first main body 721 is continuous with one end of the other first vertical wall 724, and the other second flange 725 is continuous with the other end of the first vertical wall 724.
  • the first flange 713 and the second flange 723 are arranged to face each other in the height direction Z.
  • the vehicle body 800 is provided with a joint structure 770 including a first flange 713, a second flange 723, and a third flange 733.
  • the joining structure 770 is provided for joining the panel 701 to the skeleton member 704.
  • the joint structure 770 includes a first flange 713, a second flange 723, a panel gap forming portion 771 formed by these flanges 713 and 723, a panel joint portion 772 and a panel contact portion 773, and a third flange 733. It has one half-joint 775 formed by a second flange 723 and a third flange 733.
  • the first flange 713 has a panel curved portion 740, a panel side gap forming portion 741, a panel side joint portion 742, a panel side contact portion 743, and a panel edge portion 744.
  • the panel curved portion 740 is formed in a curved shape when viewed from the length direction X, and is formed in an arc shape that is convex toward the first half portion 702.
  • the panel curved portion 740 extends in one of the height directions Z so that the distance from the second flange 723 increases as the distance from the panel contact portion 773 toward the other end side increases.
  • the other end of the panel curved portion 740 is continuous with the panel vertical wall 712, and one end of the panel curved portion 740 is continuous with the panel side gap forming portion 741 via the panel side contact portion 743.
  • the panel-side gap forming portion 741 forms the gap 774 in cooperation with the first gap forming portion 751 described later of the second flange 723.
  • the panel void forming portion 771 is formed by the panel side void forming portion 741 and the first void forming portion 751.
  • the panel-side void forming portion 741 is formed in a substantially U shape when viewed from the length direction X, for example.
  • One end 741a and the other end 741b of the panel-side gap forming portion 741 in the width direction Y are in contact with the second flange 723, while the intermediate portion of the panel-side gap forming portion 741 is separated from the second flange 723. There is.
  • a gap 774 is formed between the intermediate portion of the panel-side gap forming portion 741 as the separated portion and the first gap forming portion 751 of the second flange 723.
  • One end 741a of the panel-side gap forming portion 741 is continuous with the panel edge portion 744 via the panel-side joint portion 742.
  • the panel edge portion 744 is an edge portion (edge edge portion) of the panel 701 in the width direction Y.
  • the panel edge portion 744 is also the tip end portion of the first flange 713 in the width direction Y.
  • One end (tip) of the panel edge portion 744 is a free end.
  • One second flange 723 has a first curved portion 750, a first void forming portion 751, a first joint portion 752, a first contact portion 753, and a first edge 754.
  • the first curved portion 750 is formed in a curved shape when viewed from the length direction X, and is formed in an arc shape that is convex toward the panel 701.
  • the first curved portion 750 extends to the other side in the height direction Z so that the distance from the first flange 713 increases as the distance from the panel contact portion 773 increases toward the other end side.
  • the other end of the first curved portion 750 is continuous with the first vertical wall 722, and one end of the first curved portion 750 is continuous with the first void forming portion 751 via the first contact portion 753.
  • the first void forming portion 751 is formed in a substantially U shape when viewed from the length direction X, for example.
  • One end 751a and the other end 751b of the first void forming portion 751 in the width direction Y are in contact with the panel side void forming portion 741, while the intermediate portion of the first void forming portion 751 is separated from the first flange 713. are doing.
  • the gap 774 is formed by the first flange 713 and the second flange 723 (panel side gap forming portion 741 and first gap forming portion 751) at a position between the panel joint portion 772 and the panel contact portion 773. It is formed between the first flange 713 and the second flange 723 because they are separated from each other.
  • the width and height of the gap 774 are appropriately set according to the target frictional pressure between the flanges 713 and 723 in the panel contact portion 773.
  • One end 751a of the first void forming portion 751 is continuous with the first edge 754 via the first joining portion 752.
  • the first edge 754 is an edge portion (edge portion) of the first half portion 702 in the width direction Y.
  • the first edge 754 is also the tip of the second flange 723 in the width direction Y.
  • One end (tip) of the first edge 754 is a free end.
  • the first edge 754 extends along the width direction Y.
  • a gap is formed between the panel edge portion 744 and the first edge portion 754.
  • the panel joint portion 772 is formed by joining the first flange 713 and the second flange 723 (the first flange material and the second flange material described later) to each other in a state where at least one of them is crushed to the other side. It is formed.
  • the panel joint 772 has the flanges 713 and 723 in a state where the first flange 713 is crushed toward the second flange 723 and the second flange 723 is crushed toward the first flange 713. It is formed by being joined to each other. Spot welding can be exemplified as the joining in this case.
  • the panel joint portion 772 is formed by, for example, intermittently performing spot welding in the length direction X.
  • the panel joining portion 772 may be formed by joining the first flange 713 and the second flange 723 in a state of being pressed against each other over the entire area in the length direction X.
  • the panel joint portion 772 has a panel side joint portion 742 formed on the first flange 713 and a first joint portion 752 formed on the second flange 723.
  • the panel-side joint portion 742 is provided at one end 741a of the panel-side gap forming portion 741 near the panel edge portion 744 and extends in the width direction Y.
  • the panel-side gap forming portion 741 is formed by crushing the first flange material, which is the material of the first flange 713, toward the second flange material side, which is the material of the second flange 723, and plastically deforming the panel-side gap.
  • the other end 741b (panel side contact portion 743) of the forming portion 741 is pushed toward the first contact portion 753 side of the second flange 723.
  • the first joint portion 752 is a portion of the second flange 723 that is joined to the panel side joint portion 742 by joining, and is formed at one end 751a of the first void forming portion 751 near the first edge 754. , Extends in the width direction Y.
  • the first gap forming portion 751 is formed by crushing the second flange material, which is the material of the second flange 723, toward the first flange material side, which is the material of the first flange 713, and deforming the first gap forming portion 751.
  • the other end 751b (first contact portion 753) of the portion 751 is pushed toward the panel side contact portion 743 side of the first flange 713.
  • the panel contact portion 773 is formed by slidably contacting the first flange 713 and the second flange 723 at a position separated from the panel joint portion 772.
  • the panel contact portion 773 has a panel side contact portion 743 formed on the first flange 713 and a first contact portion 753 formed on the second flange 723.
  • the panel-side contact portion 743 is provided at the other end 741b of the panel-side gap forming portion 741 on the panel curved portion 740 side, and extends in the width direction Y. It can be said that the panel-side contact portion 743 is formed at one end of the panel curved portion 740. As described above, the panel-side contact portion 743 is pressed against the first contact portion 753 side of the second flange 723. In the present embodiment, the first contact portion 753 is provided on the other end 751b side of the first void forming portion 751 on the first curved portion 750 side, and extends in the width direction Y. It can be said that the first contact portion 753 is provided at one end of the first curved portion 750.
  • the first contact portion 753 is a portion of the second flange 723 that is pressed against the panel side contact portion 743, and by rubbing against the panel side contact portion 743, vibration energy is converted into heat energy and attenuated.
  • the panel-side contact portion 743 and the first contact portion 753 are in direct contact with each other without using an adhesive.
  • "directly” means the steel plate forming the first flange 713, the plating layer formed on the surface of the steel plate, the coating layer formed on the surface of the steel plate, and the surface of the plating layer.
  • the first half portion 702 constitutes one side portion of the skeleton member 704 in the height direction Z
  • the second half portion 703 constitutes the other side portion of the skeleton member 704 in the height direction Z. It is configured.
  • the skeleton member 704 receives the weight of the automobile and the load from the suspension. Therefore, it is preferable that the first half portion 702 and the second half portion 703 are made of a steel plate.
  • the first half portion 702 and the second half portion 703 are each formed into a thin plate shape by pressing the steel plate.
  • This steel sheet is preferably a high-strength steel sheet, and the tensile strength of this steel sheet is preferably 440 MPa or more.
  • This steel sheet is more preferably an ultra-high-strength steel sheet, and the tensile strength in this case is preferably 590 MPa or more, more preferably 780 MPa or more.
  • the first half part 702 forms a closed cross section when viewed in the length direction X by cooperating with the second half part 703.
  • this closed cross section is formed in a U shape when viewed in the length direction X, but may have a trapezoidal shape, a rectangular shape, or the like. Further, this closed cross section may be formed in the entire length direction X as in the present embodiment, or may be formed in a part of the length direction X in the skeleton member 704. With such a configuration, the skeleton member 704 is a hollow member.
  • the second main body 731 of the second half portion 703 is, for example, a flat plate-shaped portion, which extends along the width direction Y.
  • a pair of second vertical walls 732 and 734 extend from the second main body 731.
  • the second main body 731 is continuous with the other end of the one second vertical wall 732, and one third flange 733 is continuous with one end of the one second vertical wall 732.
  • the second main body 731 is continuous with one end of the other second vertical wall 734, and the other third flange 735 is continuous with the other end of the other second vertical wall 734.
  • the pair of third flanges 733 and 735 are arranged to face the pair of second flanges 723 and 725 in the height direction Z.
  • One second flange 723 and one third flange 733 are joined to each other at a position overlapping the panel joint portion 772 in the height direction Z (thickness direction of the panel 701), so that one half joint portion 775 is joined. Is forming. That is, the panel joint portion 772 and the one half portion joint portion 775 are formed at the positions where the first flange 713, the one second flange 723, and the one third flange 733 are overlapped, whereby the panel joint is formed.
  • the portion 772 and the half joint portion 775 are arranged so as to overlap each other in the thickness direction of the panel 701. Further, the other second flange 725 and the other third flange 735 are joined to each other to form the other half joint portion 776.
  • the skeleton member 704 is provided with a pair of half joint portions 775 and 776.
  • the joining method in each of the pair of half-joining portions 775 and 776 is the same as the joining method described above.
  • One half joint 775 includes one first half joint 761 formed on one second flange 723 and one second half joint 762 formed on one third flange 733.
  • the other half-joint 776 includes the other first half-joint 763 formed on the other second flange 725 and the other second half-joint 764 formed on the other third flange 735. ,have.
  • the pair of second flanges 723 and 725 and the pair of third flanges 733 and 735 are firmly fixed by a pair of half joints 775 and 776. These pair of half joints 775 and 776 move relative to each other (relative sliding) between the pair of second flanges 723 and 725 and the pair of third flanges 733 and 735 even when the excitation force is input to the skeleton member 704. Movement) is regulated. Further, the second flange 723 and 725 and the third flange 733 and 735 do not substantially come into contact with each other in a range other than the half joint portions 775 and 776 to be joined.
  • the joint flanges 723 and 733 are joined while ensuring the rigidity by joining at the half joint portions 775 and 776. Since the occurrence of frictional sliding is suppressed as much as possible at 725 and 735, structural hysteresis can be suppressed.
  • the vehicle body 800 including the joint structure 770 having the above configuration is input with an exciting force by vibration from the engine, vibration from the suspension, and vibration generated by air pressure fluctuation on the vehicle surface.
  • This exciting force propagates through the skeleton member 704 of the vehicle body 800 and is transmitted to the joint structure 770.
  • the panel-side contact portion 743 and the first contact portion 753 of the panel contact portion 773 slide with each other by this exciting force to attenuate the vibration. That is, when the panel-side contact portion 743 slides with respect to the first contact portion 753, the above-mentioned exciting force is consumed as heat energy and attenuated. As a result, vibration noise (panel vibration noise) can be suppressed.
  • the relative displacement between the pair of second flanges 723 and 725 and the pair of third flanges 733 and 735 is regulated by the pair of half joint portions 775 and 776. ..
  • the relative displacement between the first half portion 702 and the second half portion 703 in the skeleton member 704 can be suppressed. Therefore, the rigidity of the skeleton member 704 can be further increased. As a result, the structural hysteresis of the vehicle body 800 (skeleton member 704) can be suppressed.
  • structural hysteresis is a phenomenon that is often seen in mechanical structures that are deformed or displaced by receiving a periodic load, and draws a path in which loading and unloading are different in relation to the load and displacement.
  • the relationship between the steering angle of the steering wheel and the behavior of the vehicle body 800 differs between the straight-ahead ⁇ turn and the turn-> straight-ahead. If it is small, it can be said that the structural hysteresis is small.
  • the small structural hysteresis can improve the steering stability of the vehicle and the sensory evaluation of the driver.
  • the bonding force between these half portions 702 and 703 is increased to be described above.
  • the panel contact portion 773 is provided to suppress the vibration of the vehicle body 800 to suppress the vibration of the vehicle body 800. Can be attenuated with. As a result, it is possible to achieve both steering stability in an automobile, sensory evaluation of the driver, and quietness.
  • a panel contact portion 773 is provided at one end of the curved portions 740 and 750.
  • the contact portions 745 and 755 are provided at one end of the curved portions 740 and 750 as locations where the contact force between the flanges 713 and 723 is particularly high, so that the first contact with the panel side contact portion 743 is provided.
  • the amount of energy attenuation due to frictional sliding with the portion 753 can be increased.
  • the above is the outline configuration of the vehicle body 800. Next, an example of the manufacturing method of the vehicle body 800 will be described.
  • 23 (A) and 23 (B) are schematic cross-sectional views for explaining a process of joining the first flange 713 of the vehicle body 800 to the second flange 723 in the second embodiment.
  • first, the first flange material 801 and the second flange material 802 and the third flange material 803 shown in FIG. 23 (A) are prepared.
  • the first flange material 801 is the material of the first flange 713
  • the second flange material 802 is the material of the second flange 723
  • the third flange material 803 is the material of the third flange 733.
  • the first flange material 801 is different from the panel 701 except that the portion of the first flange 713 located on one end side in the width direction Y from the intermediate portion of the panel side gap forming portion 741 is formed in a flat plate shape. It is formed in almost the same shape. That is, the first flange material 801 has a panel main body 711, a panel vertical wall 712, and a first flange planned portion 811.
  • the first flange planned portion 811 is formed from the intermediate portion of the panel curved portion 740, the panel side contact portion 743, the other end 741b of the panel side gap forming portion 741 and the panel side gap forming portion 741 to one end side in the width direction Y. It has a panel flat plate portion 812 that extends.
  • the panel recess 813 is formed by the other end 741b of the panel-side gap forming portion 741 and the panel flat plate portion 812.
  • the panel recess 813 is a portion where the first flange material 801 and the second flange material 802 are separated from each other when the first flange material 801 and the second flange material 802 are brought into contact with each other.
  • the second flange material 802 includes the first main body 721 and a pair of first vertical walls 722 and 724 (the first vertical wall 724 is not shown in FIGS. 23 (A) and 23 (B)). It has a two-flange planned portion 821 and the other second flange 725.
  • the second flange planned portion 821 is the first curved portion 750, the first contact portion 753, the other end 751b of the first gap forming portion 751, and one end side in the width direction Y from the intermediate portion of the first gap forming portion 751. It has a first flat plate portion 822 extending to the surface. The other end 751b of the first void forming portion 751 and the first flat plate portion 822 form the first recess 823.
  • the first recess 823 is formed with the first flange material 801 and the second flange material 802 when the panel side contact portion 743 of the first flange material 801 and the first contact portion 753 of the second flange material 802 are brought into contact with each other. Is the separated part.
  • the third flange material 803 has the same shape as the third flange 733. That is, the third flange material 803 has a second main body 731, a pair of second vertical walls 732, 734, and a pair of third flanges 733, 735. Note that in FIGS. 23 (A) and 23 (B), the second main body 731 and the second vertical wall 734 are not shown.
  • the panel side contact portion 743 of the first flange material 801 and the first contact portion 753 of the second flange material 802 face each other.
  • the flat plate portions 812 and 822 are arranged parallel to each other or non-parallel to each other so that the gaps between them widen toward the corresponding edge portions 744 and 754.
  • the flat plate portion 822 of the second flange material 802 and one third flange 733 of the third flange material 803 face each other, and the other second flange 725 of the second flange material 802 and the third flange material 803
  • the third flange 735 and the third flange 735 are opposed to each other.
  • the recesses 815 and 823 are deformed as shown in FIG. 23 (B) by abutting the first flange material 801 and the second flange material 802 against each other at the positions where the recesses 815 and 823 are arranged.
  • the clamp of the spot welding gun 790 sandwiches the first flange material 801 and the second flange material 802 and the third flange material 803. That is, the spot welding gun 790 sandwiches the flange materials 801, 802, 803 so that the portions of the recesses 815 and 823 that are to be the panel joints 772 are in contact with each other.
  • the portions of the flange materials 801, 802 that will be the panel joints 772 are butted, and the butted portions are joined by spot welding or the like to form the panel joints 772 and the half joints 775. ..
  • the panel contact portion 773 at a position separated from the panel joint portion 772 the panel side contact portion 743 and the first contact portion 753 are slidably pressed by the deformation of the flat plate portions 812 and 822.
  • the flange materials 801, 802 are formed so that a gap (recess 815,823) is formed in the vicinity of the portion to be the panel joint portion 772 before spot welding, and the flange material 801, 802 is formed by the spot welding gun 790. Welding is performed while forcibly bringing the flange materials 801, 802 into contact with each other while sandwiching them. As a result, the panel-side contact portion 743 and the first contact portion 753 come into strong contact with each other at the panel contact portion 773, which is a portion other than the panel joint portion 772.
  • the first flange 713 is formed
  • the second flange 723 is formed
  • the first flange 713 and the second flange 723 are joined to each other at the panel joint portion 772.
  • the second and third flanges 723 and 733 are joined to each other at the half joint portion 775
  • the flanges 725 and 735 are joined to each other at the half joint portion 776. It is not necessary to have either the recess 813 of the flange material 801 or the recess 823 of the flange material 802.
  • the planned flange portion of the flange material in which the recess is not provided is formed flat.
  • the panel joint portion 772 and the panel contact portion capable of attenuating the vibration energy can be joined by a simple operation of sandwiching the recesses 815 and 823 with the clamps of the spot welding gun 790. 773 and can be formed.
  • the panel joint portion 772 and the half joint portion 775 are formed at the positions where the first flange 713, the second flange 723, and the third flange 733 are overlapped, whereby the panel joint portion is formed.
  • the 772 and the half joint portion 775 are arranged so as to overlap each other in the thickness direction of the panel 701.
  • the panel recess 813 of the first flange material 801, the first recess 823 of the second flange material 802, and the third flange 733 of the third flange material 803 are overlapped and sandwiched by the spot welding gun 790. be able to. Therefore, the joining work of the first flange 713 and the second flange 723 and the joining work of the second flange 723 and the third flange 733 can be performed collectively.
  • FIG. 24A is a diagram showing a first modification of the third embodiment, and shows a cross section seen from the length direction X.
  • a configuration in which a curved portion (second curved portion 752) is formed in the first half portion 702 has been described as an example, but this may not be the case.
  • a first half portion 702A without a curved portion may be provided.
  • the second flange 723A of the first half portion 702A is formed in a flat plate shape, for example.
  • the second gap forming portion 752 of the second flange 723 is formed in a U shape when viewed from the length direction X.
  • the joint structure 770A of the first modification the second gap forming portion 752 of the second flange 723A of the first half portion 702A is formed in a flat plate shape extending straight along the width direction Y.
  • FIG. 24B is a diagram showing a second modification of the third embodiment, and shows a cross section seen from the length direction X.
  • the second flange 723A was not provided with a curved portion.
  • the second flange 723B is provided with the first curved portion 750 and the first vertical wall 722.
  • FIG. 25A is a diagram showing a third modification of the third embodiment, and shows a cross section seen from the length direction X.
  • the form in which the panel 701 is provided with the panel curved portion 740 and the panel vertical wall 712 has been described as an example, but this may not be the case.
  • a panel 701C having no curved portion and a vertical wall may be provided.
  • the panel body 711 of the panel 701C is directly continuous with the panel side contact portion 743.
  • FIG. 25B is a diagram showing a fourth modification of the third embodiment, showing a cross section seen from the length direction X.
  • the curved portions 740, 750, the panel contact portion 773, the panel gap forming portion 771, and the panel joint portion 772 are arranged in this order from the other end in the width direction Y along one end.
  • this does not have to be the case.
  • the curved portions 740, 750, the panel joint portion 772, the panel gap forming portion 771, and the panel contact portion 773 are formed along one end from the other end in the width direction Y. They are arranged in the order of.
  • the panel contact portion 773 is arranged on the edge portions 744 and 754 of the flanges 713D and 723D.
  • the length of the panel contact portion 773 in the width direction Y is appropriately set according to the pressure of the target frictional resistance force between the panel side contact portion 743 and the first contact portion 753.
  • a panel joint portion 772 is arranged between the panel contact portion 773 and the curved portions 740 and 750.
  • 26 (A) and 26 (B) are schematic cross-sectional views for explaining a process of joining the first flange 713D to the second flange 723D.
  • first, the first flange material 801D, the second flange material 802D, and the third flange material 803 shown in FIG. 26A are prepared.
  • the first flange material 801D is the material of the first flange 713D
  • the second flange material 802D is the material of the second flange 723D.
  • the first flange material 801D is formed in the same shape as the panel 701D except that the portion of the first flange 713D from the intermediate portion of the panel side gap forming portion 741 to the panel curved portion 740 is formed in a flat plate shape. ing. That is, the first flange material 801D has a panel main body 711, a panel vertical wall 712, and a first flange planned portion 811D.
  • the first flange planned portion 811D has a width from one end 741a of the panel side gap forming portion 741, the panel side contact portion 743 formed at the one end 741a (panel edge portion 744), and the intermediate portion of the panel side gap forming portion 741. It has a panel flat plate portion 812D extending to the other end side in the direction Y and a panel curved portion 740. A panel recess 813D is formed by one end 741a of the panel-side gap forming portion 741 and the panel flat plate portion 812D.
  • the panel recess 813D is a portion where the first flange material 801D and the second flange material 802D are separated from each other when the first flange material 801D and the second flange material 802D are brought into contact with each other.
  • the second flange material 802D is the first half portion of the second flange 723D, except that the portion from the intermediate portion of the first void forming portion 751 to the first curved portion 750 is formed in a flat plate shape. It is formed in the same shape as the 702D. That is, the second flange material 802D has a first main body 721, a pair of first vertical walls 722,724, a second flange planned portion 821D, and the other second flange 725 (FIG. 26). In (A) and FIG. 26 (B), the illustration of the first vertical wall 724 is omitted).
  • the second flange planned portion 821D is formed from an intermediate portion between one end 751a of the first void forming portion 751, the first contact portion 753 formed at the one end 751a (second edge portion 754), and the first gap forming portion 751. It has a first flat plate portion 822D extending to the other end side in the width direction Y and a first curved portion 750.
  • the first recess 823D is formed by one end 751a of the first void forming portion 751 and the first flat plate portion 822D.
  • the first recess 823D is a portion where the first flange material 801D and the second flange material 802D are separated from each other when the first flange material 801D and the second flange material 802D are brought into contact with each other.
  • the panel side contact portion 743 of the first flange material 801D and the first contact portion 753 of the second flange material 802D face each other.
  • the flat plate portions 812D and 822D are parallel to each other or non-parallel to each other or in the vicinity of the edge portions 744, 754 so that the gap between them narrows toward the corresponding edge portions 744 and 754. It is arranged in a state where a curved portion is formed.
  • the flat plate portion 822D of the second flange material 802D and one third flange 733 of the third flange material 803 face each other, and the other second flange 725 of the second flange material 802D and the third flange material 803
  • the third flange 735 and the third flange 735 are opposed to each other.
  • the recesses 813D and 823D are deformed as shown in FIG. 26 (B) by abutting the first flange material 801D and the second flange material 802D at the locations where the recesses 813D and 823D are arranged.
  • the clamps of the spot welding gun 790 sandwich the flange materials 801D, 802D, and 803 so that the portions to be the panel joints 772 are in contact with each other.
  • the flange materials 801D and 802D the portion to be the panel joint portion 772 is abutted, and the abutted portion is spot welded to form the panel joint portion 772 and one half joint portion 775.
  • the first flange material 801D and the second flange material 802D are slidably pushed at the panel contact portion 773 at a position separated from the panel joint portion 772.
  • the flange materials 801D and 802D are formed so that a gap (gap between the recesses 813D and 823D) is formed in the vicinity of the portion to be the panel joint 772 before spot welding, and the flange materials 801D and 802D are formed by the spot welding gun 790.
  • the flange materials 801D and 802D are forcibly brought into contact with each other while being joined. As a result, the panel-side contact portion 743 and the first contact portion 753 come into strong contact with each other at a location other than the panel joint portion 772.
  • the first flange 713D is formed
  • the second flange 723D is formed
  • the first flange 713D and the second flange 723D are joined to each other at the panel joint portion 772.
  • the second and third flanges 725 and 735 are joined to each other at the half joint portions 775 and 776. It is not necessary to have either the recess 813D of the flange material 801D or the recess 823D of the flange material 802D.
  • the planned flange portion of the flange material in which the recess is not provided is formed flat.
  • FIG. 27 (A) is a diagram showing a fifth modification of the third embodiment, showing a cross section seen from the length direction X.
  • the configuration in which the curved portion (first curved portion 750) is formed in the first half portion 702D has been described as an example, but this may not be the case.
  • a flat plate-shaped first half portion 702E without a curved portion may be provided.
  • FIG. 27B is a diagram showing a sixth modification of the third embodiment, and shows a cross section seen from the length direction X.
  • the first half portion 702E was a flat member in which no curved portion and vertical wall were formed.
  • the first half portion 702F of the joint structure 770F of the sixth modification is provided with the first curved portion 750 and the first vertical wall 722.
  • FIG. 28 is a diagram showing a seventh modification of the third embodiment, and shows a cross section seen from the length direction X.
  • the panel 701D had a panel curved portion 740 and a panel vertical wall 712.
  • the curved portion and the vertical wall are not provided.
  • an inclined portion is formed on the other end side of the panel side joint portion 742 so as to slightly rise in one of the height directions Z as it advances toward the other end side along the width direction Y, and the other end of the inclined portion is formed.
  • the panel body 711 is continuous.
  • FIG. 29 is a diagram showing an eighth modification of the third embodiment, and shows a cross section seen from the width direction Y.
  • FIG. 30 is a schematic perspective view for explaining a process of joining the first flange 713H to the second flange 723H.
  • the joint structure 770H is provided instead of the joint structure 770.
  • the joining structure 770H is formed by providing a plurality of embossed shaped portions having symmetrical shapes on the first flange 713H and the second flange 723H, and narrowing the gap between the embossed shaped portions.
  • first flange 713H are the first flange 713H. They have similar shapes to each other except for the side structure (the structure on the left side in FIG. 30).
  • the vehicle body 800H has a panel 701H and a skeleton member 704H.
  • the panel 701H has a panel main body 711, a panel vertical wall 712, and a first flange 713H.
  • the skeleton member 704H has a first half portion 702H and a second half portion 703H combined with the first half portion 702H.
  • the first half portion 702H has a hat-shaped cross section, and has a first main body 721, a pair of first vertical walls 722,724, and a pair of second flanges 723H, 725. are doing.
  • the second half portion 703H has a hat-shaped cross section in the present embodiment, and has a second main body 731, a pair of second vertical walls 732, 734, and a pair of third flanges 733H, 735. are doing.
  • the joint structure 770H includes a first flange 713H, a second flange 723H, a panel joint portion 772 formed by these flanges 713H and 723H, and a panel joint portion 772 formed by the first flange 713H and the second flange 723H.
  • one half-joint 775 formed by the third flange 33H is
  • the first flange 713H, the second flange 723H, and the third flange 733H extend with the length direction X as the longitudinal direction, and are arranged to face each other in the height direction Z.
  • the panel contact portion 773 is arranged between the two panel joint portions 772 and 772 in the length direction X. Further, a panel contact portion 773 is also arranged at the end portion in the length direction X.
  • a panel vertical wall 712 is continuous with the end of the first flange 713H in the width direction Y.
  • one first vertical wall 722 is continuous with the end of the second flange 723H in the width direction Y.
  • the panel contact portion 773, one panel gap forming portion 771, the panel joining portion 772, and the other panel gap forming portion 771 are regarded as one set. , This set is arranged multiple times. With this configuration, the panel contact portion 773 is arranged between the two panel joint portions 772 and 772.
  • the first flange 713H has a panel-side contact portion 743, a pair of panel-side gap forming portions 741, 41, and a panel-side joint portion 742 arranged between the panel-side gap forming portions 741, 741. ing.
  • the second flange 723H has a first contact portion 753, a pair of first void forming portions 751, 751, and a first joint portion 752 arranged between the first void forming portions 751, 751. ing.
  • the panel joint portion 772 is formed by joining the first flange 713H and the second flange 723H to each other with at least one crushed to the other side.
  • these flanges 713H and 723H are crushed in a state where the first flange 713H is crushed to the second flange 723H side and the second flange 723H is crushed to the first flange 713H side. It is formed by being joined to each other.
  • the panel side contact portion 743 is pushed toward the second flange 723H side by forming the panel side gap forming portion 741 by deformation of the material. Further, the first contact portion 753 is pushed toward the second flange 723H side by forming the first void forming portion 751 by deformation of the material. With such a configuration, the panel-side contact portion 743 rubs against the first contact portion 753 to convert vibration energy into heat energy and attenuate it.
  • the third flange 732H has a third flange flat portion 736 and a third flange convex portion 737 protruding from the third flange flat portion 736 to the side opposite to the second flange 723H side (lower side in FIG. 29). are doing.
  • the third flange flat portion 736 and the third flange convex portion 737 are alternately arranged in the length direction X.
  • the third flange convex portion 737 is arranged so as to be separated from the second flange 723H in the height direction Z.
  • the third flange convex portion 737 is formed in a hat shape when viewed in the width direction Y.
  • a third flange flat portion 736 is provided at the base end of the third flange convex portion 737.
  • the third flange flat portion 736 extends flatly along the length direction X and has a second half joint portion 762.
  • the second half joint portion 762 is arranged so as to overlap the first joint portion 752 of the second flange 723H in the thickness direction of the panel 701H.
  • the first half joint portion 761 is provided at a portion of the second flange 723H facing the second half joint portion 762 (first joint portion 752).
  • the second half joint portion 762 is arranged between the pair of panel void forming portions 771.
  • the second flange 723H and the third flange 733H are separated from each other at a position between two half joints 775 and 775 adjacent to each other in the length direction X.
  • a half gap 778 as a gap is formed between the second flange 723H and the third flange 733H.
  • 31 (A) and 31 (B) are schematic cross-sectional views for explaining a step of joining the first flange 713H to the second flange 723H in the eighth modification of the third embodiment.
  • first, the first flange material 801H, the second flange material 802H, and the third flange material 803H shown in FIGS. 30 and 31 (A) are joined.
  • the first flange material 801H is the material of the first flange 713H
  • the second flange material 802H is the material of the second flange 723H
  • the third flange material 803H is the material of the third flange 733H.
  • the flange material 803H is a material for the third flange 733H.
  • the portion of the first flange 713H in which the pair of panel-side gap forming portions 741 and 741 and the panel-side joint portion 742 are formed is the panel-side contact portion 743 as a whole. It is formed in the same shape as the panel 701H except that it is recessed. That is, the first flange material 801H has a panel-side contact portion 743 and a panel recess 813H. The panel-side contact portion 743 and the panel recess 813H are alternately arranged in the length direction X.
  • the panel recess 813H is a portion where the first flange material 801H and the second flange material 802H are separated from each other when the first flange material 801H and the second flange material 802H are brought into contact with each other.
  • the portion of the second flange 723H in which the pair of first void forming portions 751, 751 and the first joint portion 752 are formed is recessed with respect to the first contact portion 753 as a whole.
  • the points other than the flange are formed in the same shape as the first half portion 702H. That is, the second flange material 802H has a first contact portion 753 and a first recess 823H.
  • the first contact portion 753 and the first recess 823H are alternately arranged in the length direction X.
  • the first recess 823H is a portion where the first flange material 801H and the second flange material 802H are separated from each other when the first flange material 801H and the second flange material 802H are brought into contact with each other.
  • the third flange material 803H has the same shape as the third flange 733H, except that the second half joint portion 762,764 is separated from the first half joint portion 761,763.
  • these flange materials 801H, 802H, and 803H are arranged in the height direction Z.
  • the first flange material 801H and the second flange material 802H are abutted against each other at the locations where the recesses 813H and 823H are arranged.
  • the recesses 813H and 823H are deformed.
  • the clamp of the spot joining gun 790 sandwiches the first flange material 801H, the second flange material 802H, and the third flange material 803H.
  • the clamps sandwich the flange materials 801H and 802H so that the portions of the recesses 813H and 823H to be the panel joints 772 are in contact with each other.
  • the portions of the flange materials 801H and 802H that will be the panel joints 772 are butted, and the butted portions are joined by spot welding or the like to form the panel joints 772 and the half joints 775. ..
  • the first flange material 801H and the second flange material 802H are slidably pressed against the panel contact portion 773 at a position separated from the panel joint portion 772.
  • the flange materials 801H and 802H are formed so that a gap (recess 813H, 823H) is formed in the portion to be the panel joining portion 772 before the spot joining, and the flange is sandwiched between the flange materials 801H and 802H by the spot joining gun 790. Joining is performed while forcibly contacting the materials 801H and 802H. As a result, the panel-side contact portion 743 and the first contact portion 753 come into strong contact with each other at a portion other than the panel joint portion 772 (panel contact portion 773).
  • the first flange 713H is formed
  • the second flange 723H is formed
  • these flanges 713H and 723H are joined to each other at the panel joint portion 772.
  • one second and third flanges 723H and 733H are joined at one half joint 775
  • the other second and third flanges 725 and 735 are joined at the other half joint 776.
  • the panel joint portion 772 may be formed over the entire width direction Y, or the panel joint portion 772 may be formed only partially.
  • the panel joint portion 772 is formed on a part of the flanges 713H and 723H in the length direction X, when the first flange material 801H and the second flange material 802H are joined by the spot bonding gun 790, the panel joint portion 772 is formed in the length direction X. Only a part of the recesses 813H and 823H is deformed and joined.
  • a half gap 778 is formed between the second flange 723H and the third flange 733H between the two half joints 775 and 775.
  • the first half portion joint portion 761 and the second half portion joint portion 762 are in stronger contact with each other.
  • the second flange 723H and the third flange 733H can be joined.
  • the present invention is applied to the vehicle body of an automobile. However, this does not have to be the case.
  • the present invention may be applied to the body of another vehicle, such as the body of a railroad vehicle.
  • the present invention is applied to the vehicle body of an automobile. However, this does not have to be the case.
  • the present invention may be applied to structures other than automobiles, such as railroad vehicles and exterior members of buildings.
  • the present invention can be widely applied as a joint structure, a method for manufacturing a joint structure, and a vehicle body.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Body Structure For Vehicles (AREA)
PCT/JP2020/016193 2019-04-12 2020-04-10 接合構造、接合構造の製造方法、および、車体 WO2020209381A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN202080028414.9A CN113677899B (zh) 2019-04-12 2020-04-10 接合构造、接合构造的制造方法以及车身
EP20787263.1A EP3954906A4 (en) 2019-04-12 2020-04-10 ASSEMBLY STRUCTURE, METHOD FOR MANUFACTURING ASSEMBLY STRUCTURE, AND BODYWORK
US17/602,667 US20220177048A1 (en) 2019-04-12 2020-04-10 Joining structure, method for producing joining structure, and vehicle body
JP2021513727A JP7288211B2 (ja) 2019-04-12 2020-04-10 接合構造、接合構造の製造方法、および、車体

Applications Claiming Priority (4)

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JP2019076343 2019-04-12
JP2019-076344 2019-04-12
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US20220177048A1 (en) 2022-06-09
EP3954906A4 (en) 2022-06-15
EP3954906A1 (en) 2022-02-16
JP7288211B2 (ja) 2023-06-07
CN113677899B (zh) 2023-05-23
JPWO2020209381A1 (US06272168-20010807-M00014.png) 2020-10-15

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