WO2015008589A1 - 接合構造 - Google Patents
接合構造 Download PDFInfo
- Publication number
- WO2015008589A1 WO2015008589A1 PCT/JP2014/066738 JP2014066738W WO2015008589A1 WO 2015008589 A1 WO2015008589 A1 WO 2015008589A1 JP 2014066738 W JP2014066738 W JP 2014066738W WO 2015008589 A1 WO2015008589 A1 WO 2015008589A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- panel
- rivet
- roof
- structure according
- vehicle
- Prior art date
Links
- 238000005304 joining Methods 0.000 title claims abstract description 62
- 239000011347 resin Substances 0.000 claims abstract description 89
- 229920005989 resin Polymers 0.000 claims abstract description 89
- 239000000463 material Substances 0.000 claims abstract description 80
- 238000003466 welding Methods 0.000 claims description 83
- 239000000853 adhesive Substances 0.000 claims description 53
- 230000001070 adhesive effect Effects 0.000 claims description 53
- 239000011324 bead Substances 0.000 claims description 45
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 239000007769 metal material Substances 0.000 claims description 7
- 230000007797 corrosion Effects 0.000 description 27
- 238000005260 corrosion Methods 0.000 description 27
- 239000004918 carbon fiber reinforced polymer Substances 0.000 description 22
- 229910000838 Al alloy Inorganic materials 0.000 description 19
- 229910000831 Steel Inorganic materials 0.000 description 19
- 239000010959 steel Substances 0.000 description 19
- 239000003566 sealing material Substances 0.000 description 18
- 238000000034 method Methods 0.000 description 15
- 239000003562 lightweight material Substances 0.000 description 13
- 230000002787 reinforcement Effects 0.000 description 12
- 230000000694 effects Effects 0.000 description 9
- 238000000576 coating method Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 229920000049 Carbon (fiber) Polymers 0.000 description 4
- 239000004917 carbon fiber Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 239000000155 melt Substances 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 229910000861 Mg alloy Inorganic materials 0.000 description 3
- 238000004070 electrodeposition Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000007591 painting process Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
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- 239000000428 dust Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- 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
- F16B19/00—Bolts without screw-thread; Pins, including deformable elements; Rivets
- F16B19/008—Bolts without screw-thread; Pins, including deformable elements; Rivets with sealing means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
-
- 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
- F16B19/00—Bolts without screw-thread; Pins, including deformable elements; Rivets
- F16B19/04—Rivets; Spigots or the like fastened by riveting
- F16B19/06—Solid rivets made in one piece
-
- 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
- F16B19/00—Bolts without screw-thread; Pins, including deformable elements; Rivets
- F16B19/04—Rivets; Spigots or the like fastened by riveting
- F16B19/08—Hollow rivets; Multi-part rivets
- F16B19/086—Self-piercing rivets
-
- 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
- F16B5/04—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of riveting
- F16B5/045—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of riveting without the use of separate rivets
-
- 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
-
- 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
- B62D25/06—Fixed roofs
-
- 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
- B62D25/20—Floors or bottom sub-units
- B62D25/2009—Floors or bottom sub-units in connection with other superstructure subunits
- B62D25/2036—Floors or bottom sub-units in connection with other superstructure subunits the subunits being side panels, sills or pillars
-
- 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
- F16B19/00—Bolts without screw-thread; Pins, including deformable elements; Rivets
- F16B19/04—Rivets; Spigots or the like fastened by riveting
- F16B19/08—Hollow rivets; Multi-part rivets
- F16B19/10—Hollow rivets; Multi-part rivets fastened by expanding mechanically
- F16B19/1027—Multi-part rivets
- F16B19/1036—Blind rivets
- F16B19/1045—Blind rivets fastened by a pull - mandrel or the like
- F16B19/1054—Blind rivets fastened by a pull - mandrel or the like the pull-mandrel or the like being frangible
Definitions
- the present invention relates to a joining structure for joining dissimilar materials.
- Japanese Patent Laid-Open No. 2010-207898 discloses a structure in which an iron plate and an aluminum alloy plate are joined using rivets as different materials.
- the rivet shaft is passed through the aluminum alloy plate, and the rivet shaft and the iron plate are joined by spot welding with the tip of the rivet shaft in contact with the iron plate. ing.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2010-207898
- thermal distortion may occur between the two plate materials in a high temperature environment. There is sex.
- the present invention has an object to obtain a joint structure that can suppress the occurrence of thermal distortion when dissimilar materials are joined.
- the joining structure according to the first aspect of the present invention includes a first member made of a first material, a second member made of a second material different from the first material, and at least passing through the first member.
- a joining structure according to a second aspect of the present invention is the joining structure according to the first aspect, wherein a resin member is disposed inside the rivet on the opposite side of the first member from the second member. Another resin filling portion is provided.
- the joint structure according to a third aspect of the present invention is the joint structure according to the first aspect or the second aspect, wherein the second member is formed of a material having a lower linear expansion coefficient than the first member. Yes.
- the bonding structure according to a fourth aspect of the present invention is the bonding structure according to any one of the first to third aspects, wherein the resin member disposed in the resin filling portion is an adhesive. is there.
- the joint structure according to a fifth aspect of the present invention is the joint structure according to the second aspect, wherein a flange portion bent from the wall portion of the first member is joined to the second member by the rivet,
- the other resin filling portion is formed by a bead portion in the flange portion, and the bead portion is provided up to a boundary portion with the wall portion in the flange portion.
- the joint structure according to a sixth aspect of the present invention is the joint structure according to any one of the first aspect to the fifth aspect, wherein the joint structure communicates with the resin filling portion, and a plurality of the rivets are connected. Another bead portion is provided to connect the two.
- the joint structure according to a seventh aspect of the present invention is the joint structure according to any one of the first aspect to the sixth aspect, wherein the second material is a metal material, and the rivet is And a head portion that contacts the first member and a shaft portion that penetrates the first member, and the shaft portion is joined to the second member by welding.
- the joint structure according to an eighth aspect of the present invention is the joint structure according to the first aspect or the fourth aspect, and projects toward the second member on a surface of the rivet facing the second member. At least two protrusions are provided.
- a joining structure according to a ninth aspect of the present invention is the joining structure according to the eighth aspect, in which the rivet is adjacent to the convex portion on the surface facing the second member with respect to the second member. And a recess recessed in the opposite direction.
- the joint structure according to a tenth aspect of the present invention is the joint structure according to the eighth aspect or the ninth aspect, wherein the convex portions are a center portion and a peripheral portion of a surface of the rivet facing the second member. Is provided.
- the joint structure according to an eleventh aspect of the present invention is the joint structure according to any one of the eighth aspect to the tenth aspect, wherein the second material is a metal material, and the rivet is And a head portion that contacts the first member and a shaft portion that penetrates the first member, and the shaft portion is joined to the second member by welding.
- a joining structure according to a twelfth aspect of the present invention is the joining structure according to the eleventh aspect, wherein a groove portion recessed in the opposite direction with respect to the second member is provided at a position adjacent to the shaft portion in the head portion. It has been.
- another resin filling portion in which the resin member is disposed is provided on the opposite side of the first member around the rivet from the second member.
- the occurrence of corrosion due to electrolytic corrosion between the first member and the rivet can be suppressed by the resin member disposed inside the other resin filling portion.
- the second member is formed of a material having a lower linear expansion coefficient than the first member. For this reason, compared with the case where a resin filling part is formed in the 2nd member, it is easy to form a resin filling part in the 1st member.
- the resin member disposed in the resin filling portion is an adhesive, and the first member and the second member are bonded by the adhesive. At that time, the resin-filled portion can ensure a more uniform thickness of the adhesive, so that the adhesive strength can be improved.
- the flange portion bent from the wall portion of the first member is joined to the second member by the rivet, and the other resin filling portion is joined to the flange portion by the bead portion.
- the bead part is provided to the boundary part with the wall part in a flange part.
- the other bead portion is provided so as to be connected to the resin filling portion and to connect the plurality of rivets. For this reason, the rigidity and intensity
- the other bead portion communicates with the resin filling portion, the resin member stays at the other bead portion when the first member and the second member are joined. Thereby, the protrusion of the resin member from between the first member and the second member is suppressed, and the sealing effect can be improved.
- the second material is made of a metal material
- the head of the rivet is in contact with the first member
- the shaft portion of the rivet penetrates the first member
- the shaft The part is joined to the second member by welding.
- a gap is formed by the resin filling portion between the first member and the second member, so that current splitting is suppressed during welding of the shaft portion of the rivet and the second member, and the rivet and the second member The welding strength with the member can be ensured.
- At least two convex portions projecting toward the second member are provided on the surface of the rivet facing the second member.
- the concave portion recessed in the opposite direction with respect to the second member is provided at a position adjacent to the convex portion on the surface facing the second member of the rivet.
- the convex portions are provided at the center portion and the peripheral portion of the surface facing the second member of the rivet, so that the rivet and the second member are more stable. Can be joined.
- the second material is made of a metal material
- the head of the rivet is in contact with the first member
- the shaft portion of the rivet penetrates the first member
- the shaft The part is joined to the second member by welding.
- the surface of the rivet facing the second member is provided with at least two convex portions projecting toward the second member, so that the rivet and the second member caused by one point of local heat unevenness are provided. The occurrence of poor bonding can be suppressed.
- the groove portion recessed in the opposite direction to the second member is provided at a position adjacent to the shaft portion in the head portion of the rivet.
- the joining structure of the present invention it is possible to suppress the occurrence of thermal strain when dissimilar materials are joined.
- FIG. 1 is a perspective view showing an upper portion of a vehicle to which the joining structure according to the first embodiment is applied.
- FIG. 2 is a cross-sectional view showing the vicinity of the rivet at the top of the vehicle along line 2-2 in FIG.
- FIG. 3 is a cross-sectional view showing a joint portion by a rivet between the roof panel and the roof side rail along line 3-3 in FIG.
- FIG. 4 is a perspective view showing a joint portion by a rivet between the roof panel and the roof side rail as seen from above the vehicle.
- FIG. 5 is a plan view showing the roof of the vehicle.
- FIG. 6 is a perspective view showing the vicinity of the floor panel and the rocker of the vehicle to which the joining structure according to the second embodiment is applied.
- FIG. 7 is a perspective view showing a joint portion by a rivet between the floor panel and the rocker shown in FIG.
- FIG. 8 is a cross-sectional view showing a joint portion by a rivet between the floor panel and the rocker along line 8-8 in FIG.
- FIG. 9 is a cross-sectional view showing a joint portion by rivets of two panels to which the joint structure according to the third embodiment is applied.
- FIG. 10 is a side view showing the rivet before joining shown in FIG.
- FIG. 11 is a cross-sectional view showing a state before joining in the vicinity of a joining portion by a rivet between the first panel and the second panel to which the joining structure according to the fourth embodiment is applied.
- FIG. 12 is a cross-sectional view illustrating a state after joining in the vicinity of a joint portion by a rivet between the first panel and the second panel to which the joint structure according to the fourth embodiment is applied.
- FIG. 13 is sectional drawing which shows the state before joining of the junction part vicinity by the rivet of the 1st panel and 2nd panel to which the joining structure concerning 5th Embodiment was applied.
- FIG. 14 is a cross-sectional view illustrating a state after joining in the vicinity of a joint portion by rivets between the first panel and the second panel to which the joint structure according to the fifth embodiment is applied.
- FIG. 15 is a cross-sectional view showing a joining process in the vicinity of a joining portion by rivets between the first panel and the second panel to which the joining structure of the comparative example is applied.
- FIG. 16 is a cross-sectional view showing a state after joining in the vicinity of a joint portion by a rivet between the first panel and the second panel to which the joint structure of the comparative example is applied.
- FIGS. In these drawings, an arrow FR appropriately shown indicates the vehicle front side, an arrow UP indicates the vehicle upper side, and an arrow OUT indicates the vehicle width direction outer side.
- FIG. 1 is a perspective view showing an upper portion of the vehicle 10 to which the joining structure according to this embodiment is applied.
- a front pillar 12, a center pillar 14, and a rear pillar 16 are arranged in order from the vehicle front side on the side of the vehicle 10.
- the front pillar 12, the center pillar 14, and the rear pillar 16 are provided on the left and right sides of the vehicle 10 as a pair.
- a pair of left and right roof side rails 22 extending substantially in the vehicle front-rear direction are provided on both sides of the upper portion of the vehicle 10 above the front pillar 12, the center pillar 14, and the rear pillar 16.
- a roof panel 24 is provided on the upper portion of the vehicle 10 so as to be bridged between a pair of left and right roof side rails 22.
- the roof panel 24 extends along a substantially vehicle width direction and a substantially vehicle front-rear direction.
- a front roof header 26 that connects the front ends of the roof side rails 22 and a rear roof header that connects the rear ends of the roof side rails 22 are shown at the front and rear ends of the roof panel 24 at the top of the vehicle 10. (Omitted).
- the roof side rail 22 is coupled to the upper ends of the front pillar 12, the center pillar 14, and the rear pillar 16, respectively, and is a vehicle skeleton member that is arranged with the vehicle longitudinal direction as a longitudinal direction.
- the roof side rail 22 is formed to be curved so that the height of the vehicle front-rear direction intermediate portion is higher than the height of both ends of the vehicle front-rear direction in a side view of the vehicle.
- a front side door opening 30 formed on the vehicle front side of the center pillar 14 and a rear side door opening formed on the vehicle rear side of the center pillar 14 are provided below the roof side rail 22 on the side of the vehicle 10. 32 is provided.
- a window shield glass 34 is provided between the front pillars 12 on the vehicle front side of the roof panel 24.
- FIG. 2 shows a cross-sectional view of the upper portion of the vehicle 10 taken along line 2-2 in FIG.
- FIG. 3 is a sectional view showing the joint structure 20 at the upper portion of the vehicle 10 taken along the line 3-3 in FIG.
- the joining structure 20 of the present embodiment includes a roof side rail 22 having a side panel outer 44 as a second member, and a first member spanned between the roof side rails 22. And a rivet 36 that joins the end of the roof side rail 22 on the inner side in the vehicle width direction and the end of the roof panel 24 on the outer side in the vehicle width direction.
- the roof side rail 22 includes a roof rail inner 40 disposed on the inner side in the vehicle width direction, a roof rail reinforcement (second member) 42 disposed on the outer side of the roof rail inner 40 in the vehicle width direction, and the roof rail.
- a side panel outer (second member) 44 disposed outside the reinforcement 42 in the vehicle width direction.
- the roof rail inner 40 includes a bent portion 40A in which an intermediate portion in the vehicle width direction is bent in a substantially L shape when viewed from the front of the vehicle, and a flange portion 40B extending inward in the vehicle width direction from an upper end portion on the vehicle inner side of the bent portion 40A. , And a flange portion 40C extending obliquely downward from the lower end of the bent portion 40A on the vehicle outer side.
- the roof rail reinforcement 42 includes a protruding portion 42A formed so as to protrude convexly outward in the vehicle width direction, a flange portion 42B extending inward in the vehicle width direction from the vehicle inner end portion of the protruding portion 42A, and the protruding portion 42A.
- a flange portion 42C extending obliquely downward from the vehicle outer end portion.
- the side panel outer 44 extends inward in the vehicle width direction from a vehicle inner end portion of the protrusion 44A and a protrusion 44A formed to protrude outward in the vehicle width direction so as to cover the protrusion 42A of the roof rail reinforcement 42.
- the flange part 44B and the flange part 44C extended in the vehicle diagonally downward side from the lower end part of 44 A of protrusion parts are provided.
- the roof rail inner 40, the roof rail reinforcement 42, and the side panel outer 44 are overlapped in order from the vehicle lower side with the flange portions 40B, 42B, 44B on the vehicle inner side and with the flange portions 40C, 42C, 44C on the vehicle outer side. And these are each joined by welding.
- the flange portions 40B, 42B, and 44B on the vehicle inner side are arranged in a substantially lateral direction when the vehicle is viewed from the front.
- the roof panel 24 includes a general portion 24A extending substantially along the vehicle width direction and the vehicle front-rear direction, and a vertical wall as a wall portion extending substantially downward from the vehicle width direction outer end of the general portion 24A. 24B and a flange portion 24C extending substantially outward in the vehicle width direction from the lower end portion of the vertical wall portion 24B.
- the lower surface of the flange portion 24C of the roof panel 24 is disposed on the upper surface of the flange portion 44B of the side panel outer 44, and the flange portion 24C and the flange portion 44B are joined by a rivet 36.
- a groove portion is formed between the vehicle inner end portion of the protruding portion 44A of the side panel outer 44 and the vertical wall portion 24B of the roof panel 24, and a flange portion 24C disposed on the bottom surface of the groove portion.
- the flange portion 44B is joined by a rivet 36.
- a gap filling member 46 is provided so as to cover a groove portion between the vehicle inner end portion of the protruding portion 44A of the side panel outer 44 and the vertical wall portion 24B of the roof panel 24.
- the gap member 46 is attached with a lip member 48 that hangs down above the rivet 36.
- the roof panel 24 has a large area and has a low influence on strength related to collision and durability. For this reason, the roof panel 24 is formed of a lightweight material (material such as carbon fiber reinforced plastic (CFRP), aluminum alloy, magnesium alloy). In the present embodiment, the roof panel 24 is formed of an aluminum alloy (first material).
- CFRP carbon fiber reinforced plastic
- first material aluminum alloy
- the roof side rail 22 is a skeletal member and needs strength with respect to collision and durability.
- the roof side rail 22 is formed of a steel plate (second material) as an example of a metal material. That is, the side panel outer 44 and the roof rail reinforcement 42 that constitute the roof side rail 22 are formed of a second material (steel plate) different from the first material that constitutes the roof panel 24.
- the side panel outer 44 and the roof rail reinforcement 42 that constitute the roof side rail 22 are formed of a material having a lower linear expansion coefficient than the material that constitutes the roof panel 24.
- the use of a roof panel 24 made of a lightweight material aims at an effect of reducing fuel consumption and exhaust gas by reducing the weight of the vehicle body and an effect of improving steering stability by reducing the mass of parts of the vehicle 10.
- the roof panel 24 is a component located at a position higher than the height of the center of gravity of the vehicle 10, the effect of improving steering stability is great.
- the number of cases in which the large-area roof panel 24, which has a low impact on impact and durability, is replaced with a lightweight material such as carbon fiber reinforced plastic (CFRP) or aluminum alloy, will continue to increase. it is conceivable that.
- the roof panel 24 and the roof side rail 22 are joined with different materials.
- the rivet 36 is made of the same steel as the material constituting the side panel outer 44.
- the material of the rivet 36 is not limited to this, and the rivet 36 may be formed of a material different from the material constituting the side panel outer 44.
- the rivet 36 includes a head portion 36A and a shaft portion 36B.
- the head portion 36A is formed in a substantially circular shape (see FIG. 4).
- the flange portion 24 ⁇ / b> C of the roof panel 24 protrudes on the opposite side to the flange portion 44 ⁇ / b> B in order to form a gap with the flange portion 44 ⁇ / b> B of the side panel outer 44.
- a seating surface portion 50 is provided.
- the seat surface portion 50 is formed in a substantially rectangular shape in plan view of the vehicle, and is provided in a range from the outer end portion of the flange portion 24C in the vehicle width direction to the boundary portion with the vertical wall portion 24B (FIG. 4). reference).
- a through hole 50 ⁇ / b> A through which the shaft portion 36 ⁇ / b> B of the rivet 36 passes is formed in the seat surface portion 50 of the roof panel 24.
- Two bead portions projecting in a substantially triangular shape (reverse V shape) above the vehicle on the vehicle front side and vehicle rear side of the through-hole 50A on the upper side (the side opposite to the side panel outer 44) of the seat surface portion 50. 52 is formed.
- the two bead portions 52 are formed in a range from the outer end portion of the flange portion 24C in the vehicle width direction to the vertical wall portion 24B along the vehicle width direction.
- a resin filling portion 52A as another resin filling portion in which a sealing material 54 as a resin member is disposed is provided.
- the resin filling portion 52 ⁇ / b> A is a concave portion sandwiched between two bead portions 52.
- the sealing material 54 is applied to the resin filling portion 52A around the head portion 36A of the rivet 36 in a state where the shaft portion 36B of the rivet 36 is passed through the through hole 50A of the seat surface portion 50 of the roof panel 24.
- electrolytic corrosion between the steel rivet 36 and the seat surface portion 50 of the aluminum alloy roof panel 24 is performed. The occurrence of corrosion due to is suppressed.
- the cross-sectional shape of the bead portion 52 is not limited to a substantially triangular shape, and a shape such as a semicircle or a trapezoid can also be selected.
- the height of the bead portion 52 is at least rivet 36 due to the applicability of the sealing material 54. It is necessary to set it higher than the height of the head 36A.
- a gap F is formed between the flange portion 24C and the flange portion 44B of the side panel outer 44, and the inside is bonded as a resin member.
- a concave resin filling portion 50B in which the agent 56 is disposed is provided.
- the adhesive 56 a structural adhesive or the like is used.
- the shaft portion 36B of the rivet 36 is passed through the through hole 50A of the seat surface portion 50 of the roof panel 24, and the tip of the shaft portion 36B of the rivet 36 is connected to the flange portion 44B of the side panel outer 44. Touch the top surface.
- the shaft portion 36 ⁇ / b> B of the rivet 36 is driven by a press machine or the like to penetrate the through hole 50 ⁇ / b> A of the seat surface portion 50 of the roof panel 24.
- tip of the axial part 36B of the rivet 36, the flange part 44B of the side panel outer 44, and the flange part 42B of the roof rail reinforcement 42 are joined by spot welding. Accordingly, the shaft portion 36B of the rivet 36 and the flange portion 44B of the side panel outer 44 are joined, and the head portion 36A of the rivet 36 is brought into contact with the seat surface portion 50.
- an upper spot welding gun (electrode) is applied to the upper surface of the head portion 36A of the rivet 36, and lower spot welding is performed on the lower surface of the flange portion 42B of the roof rail reinforcement 42 below the rivet 36 in the vehicle. Apply a gun (electrode). At this time, the upper spot welding gun (electrode) and the lower spot welding gun (electrode) are arranged so that the vertical axes thereof substantially coincide.
- the gap F is formed between the seating surface portion 50 of the roof panel 24 and the flange portion 44B of the side panel outer 44, current splitting during spot welding is suppressed.
- spot welding between the shaft portion 36B of the rivet 36 and the roof side rail 22 (the flange portion 44B of the side panel outer 44 and the flange portion 42B of the roof rail reinforcement 42) is stably and substantially uniform. ing.
- the two bead portions 52 are formed on the seat surface portion 50 of the roof panel 24 from the outer end portion in the vehicle width direction of the flange portion 24C to the boundary portion with the vertical wall portion 24B, so that the rivet 36 is attached.
- the rigidity and strength of the seat surface portion 50 can be improved. This suppresses thermal distortion due to the difference in linear expansion coefficient between the roof panel 24 made of a lightweight material and the roof side rail 22 made of a steel plate (such as the side panel outer 44) in a high temperature environment.
- a seal material 58 is applied along the vehicle front-rear direction between the outer end of the flange portion 24C of the roof panel 24 in the vehicle width direction and the flange portion 44B of the side panel outer 44 (FIGS. 2 and 4). reference).
- the sealing material 58 By applying the sealing material 58, the occurrence of corrosion due to electrolytic corrosion between the outer end of the flange portion 24C of the roof panel 24 in the vehicle width direction and the flange portion 44B of the side panel outer 44 is suppressed. It has become.
- a plurality of rivets 36 are arranged on the flange portion 24C of the roof panel 24 at intervals along the vehicle longitudinal direction and the vehicle width direction.
- the bead portion 52 on one rivet 36 side is connected to the bead portion 52 on the other rivet 36 side so as to project upward.
- a bead portion 60 is provided as a bead portion (see FIG. 4).
- the bead portion 60 is communicated with the resin filling portion 50B on the lower side of the seat surface portion 50.
- the bead portion 60 is formed in a substantially triangular shape, but is not limited thereto, and a shape such as a semicircle or a trapezoid may be selected.
- the bead portion 60 is provided so as to connect the adjacent rivets 36, the rigidity and strength between the joined rivets 36 can be improved. This makes it possible to suppress thermal distortion due to the difference in linear expansion coefficient between the roof panel 24 made of a lightweight material and the roof side rail 22 made of a steel plate (such as the side panel outer 44) in a high temperature environment.
- the roof panel 24 is formed of an aluminum alloy, but may be formed of a magnesium alloy or carbon fiber reinforced plastic (CFRP) instead.
- the fiber orientation direction of CF may be controlled at the time of molding (control by adjusting the position of the injection gate or the fiber sheet setting direction).
- reinforcing reinforcement can be improved synergistically by setting the fiber orientation direction of CF (carbon fiber) to the longitudinal direction of the joined rivet 36 and the next rivet 36.
- a rivet 36 is driven into the seating surface portion 50 of the flange portion 24C of the roof panel 24 formed of a lightweight material by a press molding process.
- the rivet 36 may be driven into the roof panel 24 in a process in which the robot has a driving tool.
- the body skeleton is assembled by welding. Thereby, the roof side rail 22 of the vehicle 10 is assembled.
- the adhesive 56 is applied to the lower surface of the seat surface portion 50 of the flange portion 24C of the roof panel 24.
- the adhesive 56 may be applied to the upper surface of the flange portion 44B of the side panel outer 44. At this time, the adhesive 56 is applied so that the adhesive 56 remains inside the resin filling portion 50 ⁇ / b> B of the seat surface portion 50, the bead portion 52, and the bead portion 60.
- the flange portion 24C of the roof panel 24 is set on the roof side rail 22 (the upper surface of the flange portion 44B of the side panel outer 44). Then, aiming for the center position of the rivet 36, the upper spot welding gun is brought into contact with the head 36A of the rivet 36, and the lower spot welding gun is brought into contact with the lower surface of the flange portion of the roof side rail 22 to perform spot welding. carry out.
- the body that has been welded is sent to the painting process, where electrodeposition coating is performed.
- the adhesive 56 is completely cured in the electrodeposition coating dry baking process.
- the sealing material 54 is applied to the resin filling portion 52A around the head portion 36A of the rivet 36, and the sealing material 58 is applied to the end of the flange portion 24C of the roof panel 24.
- an operation of flattening the sealing material 54 and the sealing material 58 with a spatula or the like is performed.
- an intermediate coating process and a top coating process are performed.
- the shaft portion 36B of the rivet 36 is penetrated through the seat surface portion 50 of the roof panel 24, and the tip of the shaft portion 36B of the rivet 36 is the flange portion 44B of the side panel outer 44 of the roof side rail 22 and the like.
- a resin filling portion 52A is formed by two bead portions 52 on the upper side of the seat surface portion 50 of the roof panel 24 around the head portion 36A of the rivet 36, and a sealing material 54 is provided inside the resin filling portion 52A. It has been applied.
- a resin filling portion 50B is formed by a seat surface portion 50 protruding to the opposite side to the flange portion 44B of the side panel outer 44.
- a gap F is formed between the seat surface portion 50 and the flange portion 44B of the side panel outer 44, and an adhesive 56 made of a resin member is applied to the inside of the resin filling portion 50B.
- thermal distortion tends to occur between the roof panel and the roof side rail due to a difference in linear expansion coefficient under a high temperature environment. That is, when a panel such as an aluminum alloy or carbon fiber reinforced plastic (CFRP) is joined to a skeleton member made of a steel plate, thermal distortion due to a difference in linear expansion coefficient is likely to occur. In particular, the effect of baking temperature in the painting process is the largest. In particular, in the case of dissimilar materials including a resin, thermal distortion is likely to occur.
- CFRP carbon fiber reinforced plastic
- the seat surface portion 50 of the roof panel 24 and the flange portion 44B of the side panel outer 44 are bonded by the adhesive 56 inside the resin filling portion 50B.
- the adhesive 56 absorbs thermal distortion due to the difference in linear expansion coefficient between the roof panel 24 and the side panel outer 44. For this reason, generation
- the flange portion 24C of the roof panel 24 is provided with two bead portions 52 that form the resin filling portion 52A up to the vertical wall portion 24B of the roof panel 24. For this reason, the rigidity and strength of the joint surface of the flange portion 24C to which the rivet 36 is attached can be improved, and the occurrence of thermal distortion due to the difference in the linear expansion coefficient between the roof panel 24 and the roof side rail 22 in a high temperature environment. It can suppress more reliably.
- the flange portion 24C of the roof panel 24 is provided with a bead portion 60 so as to connect the adjacent rivets 36, so that the rigidity and strength between the joined rivets 36 can be improved. For this reason, it is possible to more reliably suppress the occurrence of thermal distortion due to the difference in the linear expansion coefficient between the roof panel 24 and the roof side rail 22 in a high temperature environment. Particularly in the painting process, the opening of the roof panel 24 and the side panel outer 44 in the vertical direction is deformed between the joined rivet 36 and the next rivet 36 disposed along the longitudinal direction of the roof panel 24. Can be prevented from occurring. For this reason, it is possible to prevent the opening deformation from remaining as distortion after cooling.
- a gap F is formed between the seat surface portion 50 of the roof panel 24 and the flange portion 44B of the side panel outer 44.
- the gap F is formed between the seat surface portion 50 of the roof panel 24 and the flange portion 44B of the side panel outer 44, so that the shaft portion 36B of the rivet 36 is formed. And the roof side rail 22 (side panel outer 44, etc.) can be prevented from diverting current during spot welding.
- a gap F is formed between the seat surface portion 50 of the roof panel 24 and the flange portion 44B of the side panel outer 44, and an adhesive 56 is disposed inside the resin filling portion 50B.
- production of the corrosion by the electrolytic corrosion between the roof panel 24 and roof side rail 22 (side panel outer 44) which consist of different materials can be suppressed.
- the adhesive 56 is disposed inside the resin filling portion 50B, so that corrosion due to electrolytic corrosion between the roof panel 24 and the roof side rail 22 (side panel outer 44) is prevented. Occurrence can be suppressed.
- the resin filling portion 50B can ensure a more uniform thickness of the adhesive 56 between the seat surface portion 50 and the flange portion 44B of the side panel outer 44, and can improve the adhesive strength. That is, by setting the gap F to a dimension that can generate the maximum strength of the adhesive 56, the adhesive strength of the adhesive 56 can be maximized.
- the structural adhesive 56 has a thickness capable of generating the maximum strength of about 0.5 to 1.0 mm.
- the adhesive 56 reliably stays in the resin filling portion 50B, a reliable sealing effect can be exhibited.
- the sealing material 54 is disposed inside the resin filling portion 52A around the head portion 36A of the rivet 36, the occurrence of corrosion due to electrolytic corrosion between the rivet 36 and the roof panel 24 made of different materials is suppressed. can do.
- the sealing material 54 can surely stay on the resin filling portion 52A, and the application workability of the sealing material 54 can be improved. That is, the seal quality can be improved by applying a large amount of the seal material 54 and leveling the upper surface of the seal material 54 by a spatula operation.
- the side panel outer 44 made of a steel plate is formed of a material having a lower linear expansion coefficient than the roof panel 24 made of an aluminum alloy. For this reason, since the roof panel 24 is easier to process than the side panel outer 44, it is easy to form the resin filling portion 50 ⁇ / b> B composed of the seat surface portion 50 and the resin filling portion 52 ⁇ / b> A composed of the two bead portions 52.
- adhesive may stick out at a joint part of contact (contact), and there is a possibility that corrosion may occur due to poor adhesion and poor corrosion countermeasures.
- the adhesive 56 stays at the bead portion 60, thereby preventing the adhesive from protruding from between the seat surface portion 50 of the roof panel 24 and the flange portion 44 ⁇ / b> B of the side panel outer 44. .
- the adhesive 56 enters the bead portion 60 to prevent the adhesive 56 from flowing down due to the cleaning process, the chemical conversion process in the coating process, and the flow of the cleaning liquid or coating liquid generated in the electrodeposition coating bath. You can also.
- the roof side rail 22 (side panel outer 44 and the like) and the roof panel 24 are stably joined by the rivets 36.
- the reduction in fuel consumption and exhaust gas can be improved by reducing the weight of the vehicle body, and the steering stability can be improved by reducing the mass of vehicle components.
- the roof panel 24 is a component that is positioned higher than the height of the center of gravity of the vehicle 10, it is possible to improve steering stability more effectively.
- a floor panel 70 as a first member extends in the lower part of the vehicle 10 along the substantially vehicle width direction and the substantially vehicle front-rear direction.
- Rocker 72 extends along the vehicle longitudinal direction at both ends of the floor panel 70 in the vehicle width direction.
- the rocker 72 includes a rocker inner panel 74 as a second member disposed on the inner side in the vehicle width direction, and a rocker outer panel 76 disposed on the outer side in the vehicle width direction of the rocker inner panel 74.
- the rocker inner panel 74 has a cross-sectional hat shape in which the outer side in the vehicle width direction is opened in a cross-sectional view along the vehicle width direction (view in the vehicle front-rear direction) (see FIG. 7).
- the rocker outer panel 76 has a cross-sectional hat shape in which the inner side in the vehicle width direction is opened in a cross-sectional view along the vehicle width direction (view in the vehicle front-rear direction).
- the rocker inner panel 74 and the rocker outer panel 76 have a closed cross-sectional structure by joining a pair of upper and lower flange portions by welding or the like.
- flange portions 70B are formed that are bent upward from the general portion (wall portion) 70A extending substantially in the vehicle longitudinal direction and in the vehicle width direction.
- the flange part 70 ⁇ / b> B is joined to the rocker inner panel 74.
- a tunnel portion 70 ⁇ / b> C extending substantially along the vehicle front-rear direction is provided at the center of the floor panel 70 in the vehicle width direction.
- the joint structure 80 of this embodiment is applied to a joint portion between the flange portion 70B of the floor panel 70 on the outer side in the vehicle width direction and the rocker inner panel 74 of the rocker 72.
- the flange portion 70B of the floor panel 70 is formed with a seat surface portion 50 for forming a gap with the rocker inner panel 74, and the rivet 36 passing through the seat surface portion 50 is formed.
- Two bead portions 52 projecting inward in the vehicle width direction are formed on the vehicle front side and the vehicle rear side.
- a sealing material 54 is applied to the inside of the resin filling portion 52 ⁇ / b> A sandwiched between the two bead portions 52.
- a gap F is formed between the seat surface portion 50 of the floor panel 70 and the rocker inner panel 74, and an adhesive 56 is placed inside the resin filling portion 50 ⁇ / b> B provided outside the seat surface portion 50 in the vehicle width direction. It has been applied (see FIG. 8).
- the shaft portion 36B of the rivet 36 is passed through the through hole 50A of the seat surface portion 50 of the floor panel 70, and the tip of the shaft portion 36B of the rivet 36 and the rocker inner panel 74 are spot welded. They are joined (see FIG. 8).
- the floor panel 70 is made of a lightweight material (material such as carbon fiber reinforced plastic (CFRP), aluminum alloy, magnesium alloy). In this embodiment, it is formed of, for example, carbon fiber reinforced plastic (CFRP).
- CFRP carbon fiber reinforced plastic
- the rocker inner panel 74 is formed of a steel plate.
- the rivet 36 is made of the same steel as the material constituting the rocker inner panel 74.
- the flange portion 70B of the floor panel 70 is provided with the two bead portions 52 up to the general portion 70A of the floor panel 70 substantially orthogonal to the flange portion 70B. For this reason, the rigidity and strength of the joint surface of the flange portion 70B to which the rivet 36 is attached can be improved, and the occurrence of thermal distortion due to the difference in linear expansion coefficient between the floor panel 70 and the rocker inner panel 74 can be suppressed in a high temperature environment. can do.
- the flange portion 70B of the floor panel 70 is provided with a bead portion 60 so as to connect between adjacent rivets 36 (not shown), so that the rigidity and strength between the joined rivets 36 can be improved. it can. For this reason, generation
- the gap F is formed between the flange portion 70B and the rocker inner panel 74, current splitting is suppressed during spot welding between the shaft portion 36B of the rivet 36 and the rocker inner panel 74, and the rivet 36 The welding strength with the rocker inner panel 74 can be ensured.
- the adhesive 56 is applied to the inside of the resin filling portion 50B, it is possible to suppress the occurrence of corrosion due to electrolytic corrosion between the floor panel 70 and the rocker inner panel 74 made of different materials. Further, since the sealing material 54 is disposed inside the resin filling portion 52A around the head portion 36A of the rivet 36, corrosion due to electrolytic corrosion between the flange portion 70B of the rivet 36 and the floor panel 70 made of different materials. Can be suppressed.
- the joining structure 90 of the present embodiment is different from the first material, which is the first panel 92 as a first member made of a first material (for example, a lightweight material such as CFRP, aluminum alloy).
- a second panel 94 as a second member made of a second material (for example, steel plate, CFRP, aluminum alloy, etc.) and a rivet 96 that joins the first panel 92 and the second panel 94 are provided.
- the joint structure 90 is used is not limited, and can be appropriately selected.
- the rivet 96 includes a head portion 96A, a large-diameter first shaft portion 96B adjacent to the head portion 96A, and a small-diameter second shaft portion 96C adjacent to the first shaft portion 96B. It has.
- a hole 96D is formed at the center of the rivet 96, and a shaft 98 is inserted into the hole 96D.
- a substantially triangular locking portion 98A is provided at the tip of the shaft 98.
- the first panel 92 has a through hole 92 ⁇ / b> A through which the first shaft portion 96 ⁇ / b> B of the rivet 96 passes, and the second panel 94 has a second shaft portion 96 ⁇ / b> C of the rivet 96.
- a through hole 94 ⁇ / b> A through which is passed is formed.
- the first shaft portion 96B of the rivet 96 is passed through the through hole 92A of the first panel 92, and the second shaft portion 96C of the rivet 96 is inserted into the second shaft portion 96C. It penetrates through the through hole 94 ⁇ / b> A of the panel 94.
- the shaft 98 is pulled in the direction opposite to the second shaft portion 96C (in the direction of arrow B in FIG. 10) with a riveter (not shown).
- the first panel 92 and the second panel 94 are joined by pulling the locking portion 98A of the shaft 98 into the hole 96D with a riveter and crushing and crimping the tip of the second shaft portion 96C.
- the bonding structure 110 of the present embodiment is different from the first material, which is the first panel 112 as a first member made of a first material (for example, a lightweight material such as CFRP or aluminum alloy).
- a second panel 114 as a second member made of a second material (for example, a steel plate) and a rivet 116 that joins the first panel 112 and the second panel 114 are provided.
- the joint structure 110 is used is not limited, and can be selected as appropriate.
- the rivet 116 includes a head portion 116A and a shaft portion 116B.
- the head portion 116A and the shaft portion 116B are formed in a substantially circular shape in a plan view (downward direction in FIG. 11).
- the rivet 116 includes at least two convex portions 120 and 122 projecting toward the second panel 114 on the surface 118 of the shaft portion 116 ⁇ / b> B facing the second panel 114.
- the convex part 120 is provided in the center part of the surface 118 facing the second panel 114 of the shaft part 116B.
- the convex part 122 is provided in the peripheral part of the surface 118 facing the 2nd panel 114 of the axial part 116B.
- the convex part 122 is continuously formed in a substantially circular shape along the circumferential direction of the shaft part 116B in a plan view (viewed in the downward direction in FIG. 11).
- a plurality of convex portions may be formed discontinuously along the circumferential direction of the shaft portion.
- the rivet 116 includes a concave portion 124 that is recessed in the opposite direction to the second panel 114 at a position adjacent to the convex portion 120 on the surface 118 facing the second panel 114.
- the concave portion 124 is continuously provided in a substantially circular shape around the convex portion 120 at the central portion in plan view (downward direction in FIG. 11).
- the rivet 116 includes a concave portion 126 that is recessed in the opposite direction with respect to the second panel 114 at a position adjacent to the convex portion 122 on the surface 118 facing the second panel 114.
- the concave portion 126 is continuously provided in a substantially circular shape on the inner side in the radial direction of the convex portion 122 at the peripheral edge in a plan view (downward direction in FIG. 11).
- the rivet 116 includes a groove 128 that is recessed in the opposite direction with respect to the second panel 114 at a position adjacent to the shaft portion 116B in the head portion 116A (the base portion of the shaft portion 116B).
- the groove 128 is formed in a substantially circular shape continuously around the shaft 116B in a plan view (viewed in the downward direction in FIG. 11).
- the first panel 112 is formed of an aluminum alloy.
- the first panel 112 is applied to, for example, a member having a large area and having a low influence on the strength related to collision and durability.
- the second panel 114 is formed of a steel plate.
- the second panel 114 is applied to, for example, a skeleton member that requires strength related to collision and durability.
- the second panel 114 is formed of a material having a lower linear expansion coefficient than the material constituting the first panel 112.
- the rivet 116 is made of the same steel as the material constituting the second panel 114.
- the material of the rivet 116 is not limited to this, and the rivet 116 may be formed of a material different from the material constituting the second panel 114.
- the shaft portion 116 ⁇ / b> B of the rivet 116 is penetrated through the through hole 112 ⁇ / b> A of the first panel 112.
- the first panel 112 is supported by a substantially cylindrical die from the lower side, and the shaft portion 116B of the rivet 116 is driven by a pressing process or a welding process, so that the shaft portion 116B of the rivet 116 becomes the first panel.
- the shaft portion 116B is penetrated while breaking through 112 and opening the through hole 112A (self-piercing method).
- the groove 130 is formed around the shaft portion 116 ⁇ / b> B in the first panel 112 by the die, and the pressed material (aluminum alloy) of the first panel 112 flows into the groove portion 128 of the rivet 116. That is, the pressed portion of the first panel 112 enters the groove 128 of the rivet 116, so that the fitting force between the rivet 116 and the first panel 112 is improved.
- the surface 118 on the driving side of the rivet 116 is the lower surface of the first panel 112 (on the side opposite to the head portion 116A). It is set to be substantially the same position (surface) as the surface.
- the tip (convex portion 120, 122) of the shaft portion 116B of the rivet 116 is brought into contact with the upper surface of the second panel 114.
- the shaft portion 116B of the rivet 116 is joined to the second panel 114 by welding (spot welding).
- a gap is provided between the surface 118 of the rivet 116 (the lower surface of the first panel 112) and the upper surface of the second panel 114 in a state where the convex portions 120 and 122 of the rivet 116 are in contact with the upper surface of the second panel 114.
- the gap is set to, for example, 0.2 to 0.5 mm, preferably 0.2 to 0.3 mm, but is not limited to these ranges.
- spot welding In spot welding, one spot welding electrode (upper spot welding gun) is brought into contact with the head 116A of the rivet 116, and the other spot welding electrode (lower spot welding gun) is placed on the lower surface of the second panel 114. Make contact. In this state, a current is passed through the pair of spot welding electrodes.
- melting is started from the convex portions 120 and 122 provided on the shaft portion 116B of the rivet 116 during spot welding. That is, the convex portions 120 and 122 of the shaft portion 116B are melted almost uniformly locally and entirely. At that time, the melted convex portion 120 flows into the concave portion 124 of the rivet 116 adjacent thereto. Further, the melted convex portion 122 flows into the concave portion 126 of the rivet 116 adjacent thereto. Thereby, the welding area of the axial part 116B of the rivet 116 and the 2nd panel 114 can be expanded.
- the melted convex portion 122 also flows into the concave groove 130 of the first panel 112 adjacent thereto. For this reason, at the time of welding between the shaft portion 116B of the rivet 116 and the second panel 114, it is possible to increase a region into which the melted portion of the rivet 116 enters, and to join more stably. Further, the fitting force (holding force) of the first panel 112 by the rivet 116 can be increased by the portion of the rivet 116 entering the concave groove 130. Eventually, the upper surface of the second panel 114 is in close contact with the lower surface of the first panel 112.
- the head portion 116A of the rivet 116 is in contact with the first panel 112 (see FIG. 12). As a result, the first panel 112 and the second panel 114 are joined by the rivet 116.
- the surface 118 of the rivet 116 facing the second panel 114 is provided with the two convex portions 120 and 122 projecting toward the second panel 114, so that the shaft portion of the rivet 116 is provided.
- it begins to melt from convex part 120,122. For this reason, it is possible to suppress the occurrence of poor bonding between the rivet 116 and the second panel 114 due to one point of local thermal unevenness.
- the convex portions 120 and 122 provided on the shaft portion 116B of the rivet 116 are locally provided. It melts almost uniformly on the whole. Thereby, it is possible to prevent or suppress the rivet from being biased and melted and rotating in the direction intersecting the axial direction. For this reason, it is possible to suppress a decrease in welding strength due to the rotation of the rivet, distortion of the first panel 112 or the second panel 114, and generation of burrs.
- the joining structure 200 is made of a first panel 202 made of a first material (for example, a lightweight material such as an aluminum alloy) and a second material (for example, a steel plate) different from the first material.
- a second panel 204 and a rivet 206 that joins the first panel 202 and the second panel 204 are provided.
- the rivet 206 includes a head portion 206A and a shaft portion 206B.
- the shaft portion 206B of the rivet 206 is penetrated into the through hole 202A of the first panel 202 by driving in a pressing process or a welding process.
- the shaft portion 206B of the rivet 206 is driven into the first panel 202, the rivet 206 itself breaks through the first panel 202 and punches out scrap (dust) in the hole of the first panel 202 while opening a hole (through hole). (Self-piercing method). For this reason, the axial length of the shaft portion 206B of the rivet 206 is longer than the thickness of the first panel 202, and the tip of the shaft portion 206B penetrates the first panel 202.
- the end surface 206C of the shaft portion 206B is brought into contact with the second panel 204, and the shaft portion 206B and the second portion
- the panel 204 is joined by spot welding.
- one spot welding electrode (spot welding gun) 220 is brought into contact with the head 206A of the rivet 206
- the other spot welding electrode (spot welding gun) 222 is brought into contact with the lower surface of the second panel 204.
- An electric current is passed through the welding electrodes 220 and 222.
- the tips of the spot welding electrodes 220 and 222 are curved surfaces protruding in a convex shape.
- the center C1 of the spot welding electrodes 220 and 222 and the center C2 of the rivet 206 are shifted.
- the center C1 of the spot welding electrodes 220 and 222 and the center C2 of the rivet 206 are shifted by a distance L.
- a large current flows at the shortest distance between the point 224A where the spot welding electrode 220 is in contact with the head 206A and the point 224B where the spot welding electrode 222 is in contact with the second panel 204, so that the rivet 206 is biased. Melts.
- the portion close to the center C1 of the spot welding electrodes 220 and 222 in the shaft portion 206B of the rivet 206 is easily melted (see the melted portion 207 in FIG. 15).
- the melted portion 207 is schematically shown for easy understanding.
- the rivet 206 rotates in the direction intersecting the axial direction (direction of arrow D), the first panel 202 is distorted, and the head 206A of the first panel 202 is A burr 208 is generated in the bite portion.
- the design surface of the first panel 202 may be distorted.
- the end surface of the shaft part 206B of the rivet 206 melts locally and is welded in a small area, there is a possibility that the welding strength is reduced.
- the melting starts from the convex portions 120 and 122 provided on the shaft portion 116B of the rivet 116. For this reason, it can prevent or suppress that a rivet is biased and melts and the rivet rotates, and a decrease in welding strength, distortion of the first panel 112 or the second panel 114, and generation of burrs can be suppressed.
- the resin filling portion is not provided between the first panel and the second panel as in the first to third embodiments, but even when there is no resin filling portion, By starting to melt from the convex portions 120 and 122 of the rivet 116, there is an effect that a decrease in bonding strength, distortion of the first panel 112 or the second panel 114 (including thermal distortion), and generation of burrs can be suppressed.
- the bonding structure 140 of the present embodiment is different from the first material, which is the first panel 142 as a first member made of a first material (for example, a lightweight material such as CFRP or aluminum alloy).
- a second panel 114 as a second member made of a second material (for example, a steel plate) and a rivet 116 that joins the first panel 142 and the second panel 114 are provided.
- the joint structure 140 is used is not limited, and can be selected as appropriate.
- the first panel 142 is formed with a seating surface portion 50 for forming a gap between the first panel 142 and the second panel 114 as in the first embodiment.
- the shaft portion 116B of the rivet 116 passes through the through hole 112A of the seat surface portion 50.
- two bead portions 52 that protrude upward from the vehicle are formed on both sides in a direction intersecting the axial direction of the rivet 116.
- the shape of the two bead portions 52 is the same as that of the first embodiment (see FIG. 4).
- a sealing material 54 is applied to the inside of the resin filling portion 52 ⁇ / b> A sandwiched between the two bead portions 52.
- the sealing material 54 is applied around the head 116 ⁇ / b> A of the rivet 116.
- the seat surface portion 50 of the first panel 142 forms a gap with the second panel 114, and an adhesive 56 is applied to the inside of the resin filling portion 50B provided on the vehicle lower side of the seat surface portion 50.
- an adhesive 56 is applied to the inside of the resin filling portion 50B provided on the vehicle lower side of the seat surface portion 50.
- FIG. 13 the configuration of the resin filling portion 50 ⁇ / b> B and the adhesive 56 is schematically shown for easy understanding. Further, in FIG. 13, before the shaft portion 116 ⁇ / b> B of the rivet 116 and the second panel 114 are joined, since the adhesive 56 has a certain degree of viscosity, the surface of the adhesive 56 faces the vehicle lower side. Even when facing, the adhesive 56 remains inside the resin filling portion 50B. In the present embodiment, for example, the adhesive 56 is filled up to a position on the substantially same surface as the lower surface of the first panel 142.
- the rivet 116 includes a convex portion 120 disposed at the center portion and a convex portion 122 disposed at the peripheral portion on the surface 118 of the shaft portion 116B facing the second panel 114.
- a recess 124 is provided around the central protrusion 120, and the recess 126 extends along the protrusion 122 on the radially inner side of the peripheral protrusion 122. Is provided.
- the tip of the shaft portion 116B of the rivet 116 and the second panel 114 are connected in a state where the shaft portion 116B of the rivet 116 is passed through the through hole 112A of the seat surface portion 50 of the first panel 142. They are joined by spot welding (see FIG. 14).
- melting starts from the convex portions 120 and 122 provided on the shaft portion 116B of the rivet 116. That is, the convex portions 120 and 122 are locally and generally melted almost uniformly, and the melted convex portion 120 flows into the concave portion 124 of the rivet 116 adjacent thereto. Further, the melted convex portion 122 flows into the concave portion 126 of the rivet 116 adjacent thereto. Thereby, the welding area of the axial part 116B of the rivet 116 and the 2nd panel 114 can be expanded.
- the adhesive 56 is applied to the inside of the resin filling portion 50B on the radially outer side of the convex portion 122, the melted convex portion 122 flows to the adhesive 56 side, or the adhesive 56 is applied to the first panel. It is also possible to push 142 toward the concave groove 130 side. For this reason, at the time of welding the tip of the shaft part 116B of the rivet 116 and the second panel 114, it is possible to increase a region where the melted portion of the rivet 116 enters, and to join more stably.
- the upper surface of the second panel 114 is in close contact with the lower surface of the first panel 142, and the head portion 116A of the rivet 116 is in contact with the first panel 142. Contact with.
- the convex portions 120 and 122 of the shaft portion 116B melt locally and generally uniformly. For this reason, it is possible to prevent or suppress the rivet from being biased and melted and rotating in the direction intersecting the axial direction, thereby reducing the welding strength, distortion of the first panel 142 or the second panel 114, variability. Can be suppressed.
- the adhesive 56 is applied to the inside of the resin filling portion 50B, it is possible to suppress the occurrence of corrosion due to electrolytic corrosion between the first panel 142 and the second panel 114 made of different materials. Further, since the sealing material 54 is provided inside the resin filling portion 52A around the head portion 116A of the rivet 116, the occurrence of corrosion due to electrolytic corrosion between the rivet 116 made of different materials and the second panel 114 is suppressed. can do.
- the joint structure is applied to the joint between the vehicle roof panel and the left and right roof side rails, or the joint between the vehicle floor panel and the left and right rockers.
- the present invention is not limited to this configuration. That is, the joining structure can be applied to the joining portion of the two panels in the other part of the vehicle.
- the resin filling portion is formed by the seat surface portion of the first member (roof panel, floor panel, first panel). It is not limited.
- the resin filling portion may be formed on the second member (roof side rail, rocker, or second panel), or may be formed by both the first member and the second member.
- the first member and the second member are not limited to the materials described in the first to fifth embodiments, and can be changed to other materials. That is, the present invention is applied even when both the first member and the second member are metal, one of the first member and the second member is metal, the other is resin, and both the first member and second member are resin. be able to.
- the convex portions 120 and 122 are provided at the central portion and the peripheral portion of the surface 118 facing the second panel 114 of the shaft portion 116B, but the present invention has this configuration. It is not limited. If two or more convex portions are provided on the surface of the rivet shaft portion facing the second panel, the position and number of the convex portions can be changed. Further, the position and number of the concave portions can be changed according to the position and number of the convex portions. In that case, it is preferable to provide a recessed part in the position adjacent to a convex part.
- the concave portion 124 is provided at a position adjacent to the convex portion 120 and the concave portion 126 is provided at a position adjacent to the convex portion 122.
- the present invention is limited to this configuration. It is not a thing.
- the concave portion 124 may be disposed slightly away from the convex portion 120, and the concave portion 126 may be disposed slightly away from the convex portion 122.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
- Connection Of Plates (AREA)
Abstract
Description
以下、図1~図5を用いて、本発明に係る接合構造の第1実施形態について説明する。なお、これらの図において適宜示される矢印FRは車両前方側を示しており、矢印UPは車両上方側を示しており、矢印OUTは車両幅方向外側を示している。
一般的に異種材料が接触した部分では、高い電位の材料が腐食する電食が発生する可能性がある。これに対し、本実施形態では、樹脂充填部50Bの内部に接着剤56が配置されていることで、ルーフパネル24とルーフサイドレール22(サイドパネルアウタ44)との間の電食による腐食の発生を抑制することができる。
次に、図6~図8を用いて、本発明に係る接合構造の第2実施形態について説明する。なお、第2実施形態において、第1実施形態と同一の構成要素、部材等については同一符号を付して、詳細な説明を省略する。
次に、図9及び図10を用いて、本発明に係る接合構造の第3実施形態について説明する。なお、第3実施形態において、第1及び第2実施形態と同一の構成要素、部材等については同一符号を付して、詳細な説明を省略する。
次に、図11及び図12を用いて、本発明に係る接合構造の第4実施形態について説明する。なお、第4実施形態において、第1~第3実施形態と同一の構成要素、部材等については同一符号を付して、詳細な説明を省略する。また、これらの図において適宜示される矢印UPは車両上方側を示している。
次に、図13及び図14を用いて、本発明に係る接合構造の第5実施形態について説明する。なお、第5実施形態において、第1~第4実施形態と同一の構成要素、部材等については同一符号を付して、詳細な説明を省略する。
また、凸部の位置や個数に応じて、凹部の位置や個数も変更可能である。その際、凹部は、凸部と隣接する位置に設けることが好ましい。
本明細書に記載された全ての文献、特許出願、および技術規格は、個々の文献、特許出願、および技術規格が参照により取り込まれることが具体的かつ個々に記された場合と同程度に、本明細書中に参照により取り込まれる。
Claims (12)
- 第1の材料からなる第1部材と、
前記第1の材料と異なる第2の材料からなる第2部材と、
少なくとも前記第1部材を貫通して前記第1部材と前記第2部材とを接合するリベットと、
前記リベットの周囲における前記第1部材の前記第2部材側に設けられ、前記第1部材及び前記第2部材の少なくとも一方によって形成されると共に、前記第1部材と前記第2部材との間に間隙を形成し、内部に樹脂部材が配置される樹脂充填部と、
を有する接合構造。 - 前記リベットの周囲における前記第1部材の前記第2部材と反対側には、内部に樹脂部材が配置される他の樹脂充填部が設けられている請求項1に記載の接合構造。
- 前記第2部材は、前記第1部材よりも線膨張係数の低い材料により形成されている請求項1又は請求項2に記載の接合構造。
- 前記樹脂充填部に配置される樹脂部材が、接着剤である請求項1から請求項3までのいずれか1項に記載の接合構造。
- 前記第1部材の壁部から屈曲されたフランジ部が前記リベットにより前記第2部材と接合されており、
前記他の樹脂充填部が前記フランジ部にビード部により形成され、
前記ビード部が前記フランジ部における前記壁部との境界部まで設けられている請求項2に記載の接合構造。 - 前記樹脂充填部に連通されると共に、複数の前記リベットの間を繋ぐように他のビード部が設けられている請求項1から請求項5までのいずれか1項に記載の接合構造。
- 前記第2の材料が、金属材料からなり、
前記リベットが、前記第1部材と接触する頭部と、前記第1部材を貫通する軸部とを備え、
前記軸部が前記第2部材と溶接により接合されている請求項1から請求項6までのいずれか1項に記載の接合構造。 - 前記リベットの前記第2部材と対向する面に、前記第2部材に向かって突出する少なくとも2つの凸部を備える請求項1又は請求項4に記載の接合構造。
- 前記リベットの前記第2部材と対向する面における前記凸部と隣接する位置に、前記第2部材に対して反対方向に窪んだ凹部を備える請求項8に記載の接合構造。
- 前記凸部は、前記リベットの前記第2部材と対向する面の中心部と周縁部に設けられている請求項8又は請求項9に記載の接合構造。
- 前記第2の材料が、金属材料からなり、
前記リベットが、前記第1部材と接触する頭部と、前記第1部材を貫通する軸部とを備え、
前記軸部が前記第2部材と溶接により接合されている請求項8から請求項10までのいずれか1項に記載の接合構造。 - 前記頭部における前記軸部と隣接する位置に前記第2部材に対して反対方向に窪んだ溝部が設けられている請求項11に記載の接合構造。
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US14/899,980 US9759249B2 (en) | 2013-07-16 | 2014-06-24 | Joining structure |
JP2015527236A JP5983884B2 (ja) | 2013-07-16 | 2014-06-24 | 接合構造 |
EP14825977.3A EP3023650B1 (en) | 2013-07-16 | 2014-06-24 | Joining structure |
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JP2013-147766 | 2013-07-16 | ||
JP2013147766 | 2013-07-16 |
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JP7316956B2 (ja) | 2020-02-19 | 2023-07-28 | 株式会社神戸製鋼所 | サイドシル用補強部材、サイドシル及びサイドシルの製造方法 |
JP2021154375A (ja) * | 2020-03-30 | 2021-10-07 | 日本製鉄株式会社 | リベット接合継手構造の製造方法、リベット接合継手構造、及び自動車部品 |
JP2021154377A (ja) * | 2020-03-30 | 2021-10-07 | 日本製鉄株式会社 | リベット接合継手構造の製造方法、リベット接合継手構造および自動車部品 |
JP2021154374A (ja) * | 2020-03-30 | 2021-10-07 | 日本製鉄株式会社 | リベット接合継手構造の製造方法、リベット接合継手構造及び自動車部品 |
JP7389353B2 (ja) | 2020-03-30 | 2023-11-30 | 日本製鉄株式会社 | リベット接合継手構造の製造方法、リベット接合継手構造、及び自動車部品 |
JP7410398B2 (ja) | 2020-03-30 | 2024-01-10 | 日本製鉄株式会社 | リベット接合継手構造の製造方法、リベット接合継手構造及び自動車部品 |
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US9759249B2 (en) | 2017-09-12 |
EP3023650A4 (en) | 2016-06-15 |
EP3023650A1 (en) | 2016-05-25 |
JPWO2015008589A1 (ja) | 2017-03-02 |
JP5983884B2 (ja) | 2016-09-06 |
EP3023650B1 (en) | 2017-09-13 |
US20160138637A1 (en) | 2016-05-19 |
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