WO2013133157A1 - 継手構造 - Google Patents
継手構造 Download PDFInfo
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- WO2013133157A1 WO2013133157A1 PCT/JP2013/055658 JP2013055658W WO2013133157A1 WO 2013133157 A1 WO2013133157 A1 WO 2013133157A1 JP 2013055658 W JP2013055658 W JP 2013055658W WO 2013133157 A1 WO2013133157 A1 WO 2013133157A1
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- WIPO (PCT)
- Prior art keywords
- joint
- bottom wall
- cross
- section
- rigidity
- Prior art date
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- 230000008878 coupling Effects 0.000 title abstract 3
- 238000010168 coupling process Methods 0.000 title abstract 3
- 238000005859 coupling reaction Methods 0.000 title abstract 3
- 239000002184 metal Substances 0.000 claims description 10
- 238000005452 bending Methods 0.000 abstract description 9
- 238000012360 testing method Methods 0.000 description 32
- 238000003466 welding Methods 0.000 description 13
- 230000000052 comparative effect Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000005304 joining Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000010960 cold rolled steel Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 241001573881 Corolla Species 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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Classifications
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- 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
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- 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
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
-
- 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
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- 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
- B23K9/00—Arc welding or cutting
-
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T403/00—Joints and connections
- Y10T403/47—Molded joint
- Y10T403/472—Molded joint including mechanical interlock
Definitions
- the present invention relates to a joint structure of a press-bending part of a metal plate, and in particular, the longitudinal end is divided discontinuously along the three wall surfaces of the skeleton part, and is suitable for use in joining the skeleton part.
- the present invention relates to a joint structure made of a bent part of a metal plate.
- the floor structure of a vehicle such as an automobile includes a panel component 10 and a skeletal component having a hat-shaped cross-sectional shape arranged to reinforce the panel component 10 (non- Patent Document 1).
- a skeletal component having a hat-shaped cross-sectional shape arranged to reinforce the panel component 10
- As the skeleton parts arranged so that the longitudinal direction of the parts is along the longitudinal direction of the vehicle there are a side sill 14 arranged at the left and right side positions of the vehicle and an extension member extended from the front side member.
- reference numeral 11 denotes a floor panel.
- the side sill 14 and the center tunnel 20 are joined to both ends of the cross member 22 in the longitudinal direction. Since the cross member 22 serves as a load transmission path at the time of a side collision, the cross member 22 is formed of a high-strength steel plate. Moreover, the longitudinal direction both ends of the cross member 22 are made into the shape which can be shape
- both ends in the longitudinal direction of the conventional cross member 22 are discontinuously divided into three along the longitudinal ends of the three wall surfaces. It has the joint structure joined to these parts.
- joint structures in which the end of the skeleton part is directly joined to other parts by weld metal, and the joint structure in which the box structure formed at the end of the skeleton part is screwed to another part.
- joint structures that are directly joined with weld metal or joint structures that are screwed take time to manufacture the joint structure and joint structure, and the production efficiency decreases.
- the present invention describes a joint structure described in Patent Document 1 and Non-Patent Document 1, in which the longitudinal end of a skeletal component that can be formed only by bending capable of applying a high-strength steel sheet is divided into three. Then, attention was paid to the possibility of suppressing the occurrence of cracking without reducing the plate thickness of the joint portion and maintaining high rigidity.
- the end portions (bottom wall end portion 23a, side wall end portions) of the three wall surfaces of a member 23 having a hat-shaped cross section of the conventional cross member 22 (hereinafter referred to as a hat cross section member) 23b and 23c) are formed discontinuously.
- the width w1 of the bottom wall end 23a is within the range of the width W of the bottom wall at the center of the hat cross-section member 23.
- the discontinuous ends 23a, 23b, and 23c are overlapped and joined to the side wall of the hat cross-section member 15 of the side sill 14 or the center tunnel 20 (see FIG. 13).
- reference numeral 16 indicates a flat member of the side sill 14
- reference numeral 24 indicates a flat member of the cross member 22.
- Non-Patent Document 2 it is known that the ridge line of the hat cross-section member is an important load path for the joint portion of the hat cross-section member. According to the description of Non-Patent Document 2, the load path passes through the welded portion from the ridge line of one hat cross-section member and reaches the ridge line of the other hat cross-section member. From this, it can be seen that the relative position between the ridge line and the welded portion affects the load path.
- Patent Document 1 and Non-Patent Document 1 in the conventional joint structure, as illustrated in FIG. 14, the width w1 of the portion joined to the side sill 14 or the center tunnel 20 (see FIG. 13). Therefore, it is difficult to require the joint structure to have higher rigidity in addition to high strength.
- Non-Patent Document 2 does not disclose or suggest how the ridgeline and the welded portion should be arranged in order to realize an efficient load path.
- the present invention has been made in view of the above problems, and an object thereof is to provide a joint structure capable of improving rigidity in addition to strength.
- a joint structure according to the present invention is a joint structure of a longitudinal section of a hat cross-sectional member that is a press-formed part of a metal plate and another member, and the longitudinal end of the hat cross-sectional member is a bottom wall.
- the bottom wall end portion is discontinuously divided into three portions, that is, an end portion and two side wall end portions.
- the width of the bottom wall end portion is wider than the width of the bottom wall at the central portion of the hat cross-section member, and the bottom wall end portion is the other member.
- the two end portions of the side wall are bent and welded to the other member.
- the joint structure according to the present invention is characterized in that, in the above-mentioned invention, the bottom wall end portion is spot welded to the other member on at least an extension line of the bottom wall ridge line in the central portion of the hat cross-section member.
- the joint structure according to the present invention is characterized in that, in the above-mentioned invention, the two end portions of the side wall are spot welded to the other member.
- the joint structure according to the present invention is characterized in that, in the above invention, the bottom wall end portion has a shape that widens toward an end in a longitudinal direction of the hat cross-sectional member.
- the joint structure according to the present invention can improve rigidity in addition to strength.
- FIG. 1A is a perspective view of an example of a joint structure in the case of the floor structure according to the first embodiment of the present invention.
- FIG. 1B is a perspective view of another example of the joint structure in the case of the floor structure according to the first embodiment of the present invention.
- FIG. 1C is a perspective view of another example of the joint structure in the case of the floor structure according to the first embodiment of the present invention.
- FIG. 2A is a plan view showing a blank shape for producing the hat cross-section member shown in FIG. 1A from a single plate.
- FIG. 2B is a plan view showing a blank shape for producing the hat cross-section member shown in FIG. 1B from a single plate.
- FIG. 1A is a plan view showing a blank shape for producing the hat cross-section member shown in FIG. 1A from a single plate.
- FIG. 2B is a plan view showing a blank shape for producing the hat cross-section member shown in FIG. 1B from a single plate.
- FIG. 2C is a plan view showing a blank shape for producing the hat cross-sectional member shown in FIG. 1C from a single plate.
- FIG. 3 is a perspective view showing a stiffness test method.
- FIG. 4 is a diagram showing the relationship between the load of the load input plate obtained by the rigidity test shown in FIG. 3 and the load.
- FIG. 5 is a diagram showing the rigidity improvement rate of the joint test body of the invention example based on the rigidity of the joint test body of the conventional example by the rigidity test.
- FIG. 6 is a perspective view of an example of the joint structure in the case of the floor structure of the second embodiment of the present invention.
- 7A is a plan view showing in detail a welded portion between the cross member and the side sill of FIG. FIG.
- FIG. 7B is an enlarged perspective view showing in detail a welded portion between the cross member and the side sill in FIG. 6.
- FIG. 8 is a plan view showing a blank shape for producing the hat cross-section member shown in FIG. 6 from a single metal plate.
- FIG. 9A is a plan view and a front view showing a joint test body of Example 11 of the invention.
- 9B is a plan view and a front view showing a joint test body of Invention Example 12.
- FIG. 9C is a plan view and a front view showing a joint test body of Invention Example 13.
- FIG. 10A is a plan view showing a blank shape for producing the hat cross-section member shown in FIG. 9A from one metal plate.
- FIG. 10A is a plan view showing a blank shape for producing the hat cross-section member shown in FIG. 9A from one metal plate.
- FIG. 10B is a plan view showing a blank shape for producing the hat cross-sectional member shown in FIG. 9B from a single metal plate.
- FIG. 10C is a plan view showing a blank shape for producing the hat cross-sectional member shown in FIG. 9C from a single metal plate.
- FIG. 11A is a plan view showing a joint specimen of Comparative Example 14.
- FIG. 11B is a plan view showing a joint specimen of Invention Example 15.
- FIG. 11C is a plan view showing a joint specimen of Invention Example 16.
- FIG. 12 is a diagram showing the rigidity improvement rate of the joint specimens of Invention Examples 11 to 13 and Invention Examples 15 and 16 based on the rigidity of the joint specimen of Comparative Example 14 by the stiffness test.
- FIG. 13 is a perspective view illustrating an example of a floor structure of an automobile.
- FIG. 14 is a perspective view showing an example of a conventional joint structure.
- FIGS. 1A to 1C are perspective views of Examples 1 to 3 of the joint structure in the floor structure of the first embodiment of the present invention, respectively.
- the joint structures of Examples 1 to 3 include a side sill 14 and a cross member 26.
- the side sill 14 includes a hat cross-section member 15 and a flat member 16.
- the cross member 26 includes a hat cross-section member 27 and a flat member 28.
- the end of the hat cross-section member 27 in the longitudinal direction is divided into three parts (bottom wall end 27 a, side wall ends 27 b, 27 c) and joined to the wall surface of the hat cross-section member 15.
- 1A to 1C show cases where the shapes of the end portions in the longitudinal direction of the hat cross-section member 27 divided into three parts are different.
- the x mark in the figure indicates the spot welding spot position.
- the bottom wall end portion 27a is joined to the upper surface of the side sill 14, and its width w1 is wider than the width W of the bottom wall at the center of the hat cross-section member 27. .
- the range of the welded portion can be made wider than the width W of the bottom wall at the center of the hat cross-section member 27.
- FIGS. 1A to 1C are diagrams showing a method for producing the hat cross-section member 27 shown in FIGS. 1A to 1C from a single plate, respectively.
- 2A to 2C are shapes of blanks (element plates), and FIGS. 1A to 1C are shapes of hat cross-sectional members obtained by bending the blanks of FIGS. 2A to 2C.
- a notch 27d is formed so that the flange portion at the end in the longitudinal direction of the hat cross-section member 27 is divided into three parts by bending. . 2A to 2C, the shape of the notch 27d is different.
- the shape of the cutout 27d is preferably widened as it approaches the longitudinal end. Thereby, when producing a joint structure by punching or cutting the blank end portion, it is not necessary to remove the cut end of the blank, and the joint can be produced effectively using the entire blank.
- the blank is bent to produce a hat cross-section member 27 shown in FIGS. 1A to 1C.
- the center bottom wall end 23 a of the three longitudinal ends of the hat cross-section member 23 is narrower than the width W of the center bottom wall of the hat cross-section member 23. Only the side sill 14 could be joined.
- the width w1 of the bottom wall end 27a is wider than the width W of the bottom wall of the central portion of the hat cross-section member 27.
- the range of the welded portion becomes wider than the width W of the center bottom wall of the hat cross-section member 27, and the rigidity of the joint can be increased.
- the bottom wall end portion 27a does not have to be flush with the central portion of the hat cross-section member 27, and is bent and joined to other parts. May be.
- Example 1 joint specimens of Invention Examples 1 to 3 having the same configuration as the joint structure shown in FIGS. 1A to 1C were produced using a cold-rolled steel sheet having a thickness of 1.2 mm and a tensile strength of 980 MPa.
- a joint test body of a conventional example to be compared a joint structure in which the width w1 of the bottom wall end 23a is narrower than the width W of the bottom wall at the center of the cross member 22 as shown in FIG. .
- the rigidity test was done with respect to the joint test body of the invention example and the conventional example.
- Fig. 3 shows the stiffness test method.
- fixing plates 37 and 38 are attached to both ends in the longitudinal direction of the member 34 corresponding to the side sill composed of the components 35 and 36 by welding, and the fixing plates 37 and 38 are fixed.
- a load input plate 50 was attached to the end of a member 46 corresponding to the cross member by welding, and a load Fx in the x direction and a load Fy in the y direction were applied to the load load input plate 50, respectively.
- FIG. 4 shows the relationship between the displacement of the load input plate 50 obtained by the rigidity test shown in FIG. 3 and the load.
- the rigidity of the joint test specimen is a value obtained by dividing the load by the displacement of the load input plate 50.
- FIG. The greater the load per same displacement, the higher the rigidity.
- FIG. 5 shows a comparison result between the joint specimen of the conventional example and the joint specimens of Invention Examples 1 to 3 by the rigidity test.
- the rigidity of each specimen is shown as the rigidity improvement rate (%) of the joint specimens of Invention Examples 1 to 3 based on the rigidity of the joint specimen of the conventional example shown in FIG.
- the joint specimens of Invention Examples 1 to 3 had a positive rigidity improvement rate in any load direction, and had a rigidity superior to that of the conventional joint specimen.
- the joint specimens of Invention Examples 1 to 3 are joint structures suitable for obtaining higher rigidity than the joint specimens of the conventional examples.
- FIG. 6 is a perspective view of Example 1 of the joint structure in the case of the floor structure of the second embodiment of the present invention, and shows a structure in which the cross member 62 and the side sill 64 are joined.
- the longitudinal end of the cross member 62 which is a hat cross-section member, is divided into three parts (bottom wall end 62a, side wall ends 62b, 62c), respectively. Is joined to the side sill 64.
- the bottom wall end 62a is joined to the upper surface of the side sill 64, and its width w1 is wider than the width W of the bottom wall at the center of the cross member 62, and spot welding exists there.
- the position x of the hit point 66 reaches a range wider than the width W of the bottom wall at the center of the cross member 62.
- FIG. 7A and 7B are a plan view showing a welded portion between the cross member 62 and the side sill 64 of FIG. 6 and a partially enlarged perspective view of FIG. 7A, respectively.
- the spot welding hit point 68 closest to the extension line L of the ridge line 62d of the cross member 62 is disposed on the extension line L of the ridge line 62d.
- the spot welding point 68 is positioned on the extension line of the ridge line 62d L, the bending R portion ranges X 2 cross member 62 shown in FIG. 7B, takes nugget edge of at least spot welding point 68 It points to that.
- the bottom wall end portion 23 a of the three end portions 23 a, 23 b, 23 c in the longitudinal direction of the cross member 23 is narrower than the width W of the center bottom wall of the cross member 23. Bonding was possible only with w1.
- the width w1 of the bottom wall end 62a is wider than the width W of the center bottom wall of the cross member 62.
- the welded portion range can be made wider than the width W of the central bottom wall of the cross member 62, so that the rigidity of the joint can be increased.
- a notch 62e is formed so that the longitudinal end of the hat cross-section member is divided into three parts. It is good to put in. That is, the notch shape is a shape that expands toward the longitudinal end of the hat cross-section member. Thereby, since the area of the bottom wall edge part of three edge parts becomes large, rigidity can be improved.
- Example 2 are joint test bodies of Invention Examples 11 to 13, respectively, and spot welding points are arranged on the extended line of the ridge line of the cross member shown in FIGS. 7A and 7B.
- Each joint specimen has a joint structure based on the second embodiment of the present invention.
- the joint test body corresponds to a part 71 corresponding to a cross member which is a hat cross-section test part, a part 72 which is a flat test part, a part 73 corresponding to the hat cross-section test part of the side sill 64 of FIG. 6, and a flat test part.
- the end portion in the longitudinal direction of the component 71 corresponding to the cross member is divided into three portions 71a, 71b, 71c and joined to the wall surface of the component 73.
- 9A to 9C show a case where the divided shapes of the end portions in the longitudinal direction divided into the three portions 71a, 71b, 71c of the component 71 are different.
- the x mark in the figure indicates the position of the spot welding hit point 66.
- the material used was a cold-rolled steel sheet with a thickness of 1.2 mm and a tensile strength of 980 MPa for both the parts 71 to 74.
- FIGS. 10A to 10C respectively show blank shapes when the parts 71 having the three types of shapes shown in FIGS. 9A to 9C are produced, and the shape of the notch 71e divided into three at the end in the longitudinal direction of the blank. Is different.
- FIG. 11A shows Comparative Example 14, and FIG. 11B and FIG. 11C show the joint specimens of Invention Examples 15 and 16 for comparing the spot welding positions of the present invention.
- the width w1 of the bottom wall end 71a among the three ends in the longitudinal direction of the component 71 is within the width W of the bottom wall at the center of the component 71.
- the width w1 of the bottom wall end portion 71a is wider than the width W of the bottom wall at the center of the component 71, respectively. ing.
- Example 15 shown in FIG. 11A shows Comparative Example 14 shown in FIG. 11A
- the width w1 of the bottom wall end 71a among the three ends in the longitudinal direction of the component 71 is within the width W of the bottom wall at the center of the component 71.
- the width w1 of the bottom wall end portion 71a is wider than the width W of the bottom wall at the center of the component 71, respectively. ing.
- the spot welding hit point 68 closest to the ridge line 71 d of the part 71 among the spot weld hit points 66 (diameter about 5 mm) of the part 71 is an extension of the ridge line 71 d of the part 71 position are shifted 10mm outside the left and right from the (outer end of the bending R portion ranges X 2 shown in FIG. 7B). Further, in the joint test body of Invention Example 16 shown in FIG.
- the spot welding hit point 68 closest to the ridge line 71 d of the part 71 among the spot weld hit points 66 (diameter about 5 mm) of the part 71 is position on the extended line are shifted 10mm on the inside of the left and right from the (inner end of the bending R portion ranges X 2 shown in FIG. 7B).
- FIG. 12 shows the rigidity test results for the joint specimens of Invention Examples 11 to 13 and Invention Examples 15 and 16, and the joint specimen of Comparative Example 14.
- the rigidity test was performed by the same method as shown in FIG.
- the rigidity of each joint specimen is shown as a rigidity improvement rate (%) based on the rigidity of the joint specimen of Comparative Example 14 shown in FIG. 11A.
- the joint specimens of Invention Examples 11 to 13 and Invention Examples 15 and 16 all have rigidity superior to that of the joint specimen of Comparative Example 14, and the spot weld spot is arranged on the extended line of the cross member ridge line.
- the joint specimens of thirteen to thirteen had remarkably excellent rigidity.
- the joint specimens of Invention Examples 11 to 13 and Invention Examples 15 and 16 are joint structures suitable for obtaining higher rigidity than the joint specimen of Comparative Example 14, and particularly the joint structures of Invention Examples 11 to 13. It can be seen that the specimen has a more suitable joint structure.
- the present invention is applied to the joining of the side sill and the cross member in the automobile floor structure.
- the application target of the present invention is not limited to this, and other members for vehicles and for vehicles It is applicable also to joining of members other than.
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Abstract
Description
図1A乃至1Cはそれぞれ、本発明の第1の実施形態のフロア構造における継手構造の実施例1乃至3の斜視図である。図1A乃至1Cに示すように、実施例1乃至3の継手構造は、サイドシル14と、クロスメンバ26と、を備えている。サイドシル14は、ハット断面部材15と、平坦部材16と、を備えている。クロスメンバ26は、ハット断面部材27と、平坦部材28とを備えている。ハット断面部材27の長手方向の端部は、3つの部分(底壁端部27a、側壁端部27b、27c)に分かれ、ハット断面部材15の壁面に接合されている。図1A乃至1Cはそれぞれ、3つの部分に分かれるハット断面部材27の長手方向端部の形状が異なる場合を示している。図中の×印はスポット溶接打点位置を示している。
本実施例では、板厚1.2mmの引張強度980MPa級の冷延鋼板を用いて図1A乃至1Cに示す継手構造と同じ構成を有する発明例1乃至3の継手試験体を作製した。また、比較対象となる従来例の継手試験体として、図14に示すような、底壁端部23aの幅w1がクロスメンバ22の中央部の底壁の幅Wよりも狭い継手構造を作製した。そして、発明例および従来例の継手試験体に対して剛性試験を行った。
図6は、本発明の第2の実施形態のフロア構造の場合における継手構造の実施例1の斜視図であり、クロスメンバ62とサイドシル64とが接合された構造を示している。
図9A乃至9Cはそれぞれ、発明例11乃至13の継手試験体であり、上記図7A及び図7Bに示すクロスメンバの稜線の延長線上にスポット溶接打点が配置される。各継手試験体は本発明の第2の実施形態に基づく継手構造となっている。継手試験体は、ハット断面試験部品であるクロスメンバに対応する部品71、平坦試験部品である部品72、図6のサイドシル64のハット断面試験部品に対応する部品73、及び、平坦試験部品に対応する部品74の4部品からなり、クロスメンバに対応する部品71の長手方向の端部は、3つの部分71a、71b、71cに分かれて部品73の壁面に接合されている。図9A乃至9Cは、部品71の3つの部分71a、71b、71cに分かれる長手方向の端部の分割形状が異なる場合を示している。図中の×印はスポット溶接打点66の位置を示す。使用した材料は、部品71乃至部品74ともに板厚1.2mmの引張強度980MPa級の冷延鋼板とした。
15 ハット断面部材
16 平坦部材
26 クロスメンバ
27 ハット断面部材
27a 底壁端部
27b,27c 側壁端部
27d 切欠き
28 平坦部材
34 試験部材
35 ハット断面試験部品
36 平坦試験部品
37,38 固定板
46 試験部材
47 断面試験部品
48 平坦試験部品
50 負荷荷重入力板
62 クロスメンバ
62a 底壁端部
62b、62c 側壁端部
62d 稜線
62e、71e 切欠き
64 サイドシル
66 スポット溶接打点
Claims (4)
- 金属板のプレス成形部品であるハット断面部材の長手方向の端部と他部材との継手構造であって、
前記ハット断面部材の長手方向の端部が、底壁端部と側壁端部2ヶ所との3つに不連続に分かれ、前記底壁端部の幅は前記ハット断面部材の中央部の底壁の幅より広くされ、前記底壁端部は前記他部材と溶接されており、前記側壁端部2ヶ所は曲げ成形されて前記他部材に溶接されていることを特徴とする継手構造。 - 前記底壁端部は少なくとも前記ハット断面部材の中央部における底壁の稜線の延長線上で前記他部材とスポット溶接されていることを特徴とする請求項1に記載の継手構造。
- 前記側壁端部2ヶ所は前記他部材にスポット溶接されていることを特徴とする請求項1又は請求項2に記載の継手構造。
- 前記底壁端部は前記ハット断面部材の長手方向の端部に向かって広がる形状となっていることを特徴とする請求項1乃至請求項3のうち、いずれか1項に記載の継手構造。
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JP2013528159A JP5382271B1 (ja) | 2012-03-06 | 2013-03-01 | 継手構造 |
CN201380012049.2A CN104144763B (zh) | 2012-03-06 | 2013-03-01 | 接头结构 |
KR1020147020958A KR101529019B1 (ko) | 2012-03-06 | 2013-03-01 | 커플링 구조 |
US14/378,167 US20150003898A1 (en) | 2012-03-06 | 2013-03-01 | Joint structure |
EP13758248.2A EP2823928B1 (en) | 2012-03-06 | 2013-03-01 | Coupling structure |
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JP2012-057189 | 2012-03-14 | ||
JP2012057189 | 2012-03-14 |
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WO2013133157A1 true WO2013133157A1 (ja) | 2013-09-12 |
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PCT/JP2013/055658 WO2013133157A1 (ja) | 2012-03-06 | 2013-03-01 | 継手構造 |
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US (1) | US20150003898A1 (ja) |
EP (1) | EP2823928B1 (ja) |
JP (1) | JP5382271B1 (ja) |
KR (1) | KR101529019B1 (ja) |
CN (1) | CN104144763B (ja) |
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KR20170066528A (ko) * | 2014-11-10 | 2017-06-14 | 신닛테츠스미킨 카부시키카이샤 | T자 조인트 구조 |
US9487243B2 (en) * | 2014-12-09 | 2016-11-08 | Ford Global Technologies, Llc | Vehicle body structure |
US20180065688A1 (en) * | 2016-09-07 | 2018-03-08 | Thunder Power New Energy Vehicle Development Compa ny Limited | Connection for the cross member and sill (pontoon) |
WO2018091951A1 (en) * | 2016-11-21 | 2018-05-24 | Arcelormittal | Reinforcement member comprising a cold bent tab |
US10368955B2 (en) | 2017-03-31 | 2019-08-06 | Johnson & Johnson Innovation-Jjdc, Inc. | Multi-functional foot pedal assembly for controlling a robotic surgical system |
US10503199B1 (en) | 2018-07-17 | 2019-12-10 | Verb Surgical Inc. | Pedal with sliding and locking mechanisms for surgical robots |
US10888383B2 (en) | 2018-07-17 | 2021-01-12 | Verb Surgical Inc. | Robotic surgical pedal with integrated foot sensor |
JP6665958B1 (ja) | 2019-03-19 | 2020-03-13 | Jfeスチール株式会社 | 車体骨格部品の継手構造、車体骨格部品及び該車体骨格部品の製造方法 |
JP6973441B2 (ja) * | 2019-04-09 | 2021-11-24 | Jfeスチール株式会社 | 車体骨格部品の継手構造、車体骨格部品及び該車体骨格部品の製造方法 |
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Also Published As
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EP2823928A1 (en) | 2015-01-14 |
KR20140107626A (ko) | 2014-09-04 |
EP2823928A4 (en) | 2015-07-08 |
CN104144763A (zh) | 2014-11-12 |
CN104144763B (zh) | 2016-07-06 |
JP5382271B1 (ja) | 2014-01-08 |
EP2823928B1 (en) | 2016-08-17 |
KR101529019B1 (ko) | 2015-06-15 |
JPWO2013133157A1 (ja) | 2015-07-30 |
US20150003898A1 (en) | 2015-01-01 |
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