JP2017177936A - Joint structure for vehicle body panel - Google Patents

Joint structure for vehicle body panel Download PDF

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Publication number
JP2017177936A
JP2017177936A JP2016065800A JP2016065800A JP2017177936A JP 2017177936 A JP2017177936 A JP 2017177936A JP 2016065800 A JP2016065800 A JP 2016065800A JP 2016065800 A JP2016065800 A JP 2016065800A JP 2017177936 A JP2017177936 A JP 2017177936A
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Prior art keywords
panel
bead
top wall
pedestal
forming
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JP2016065800A
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JP6672951B2 (en
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雄一郎 林
Yuichiro Hayashi
雄一郎 林
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Mitsubishi Motors Corp
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Mitsubishi Motors Corp
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Priority to JP2016065800A priority Critical patent/JP6672951B2/en
Priority to CN201710197080.8A priority patent/CN107416040B/en
Priority to BR102017006433-6A priority patent/BR102017006433B1/en
Publication of JP2017177936A publication Critical patent/JP2017177936A/en
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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
    • 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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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)
  • Connection Of Plates (AREA)
  • Resistance Welding (AREA)

Abstract

PROBLEM TO BE SOLVED: To improve durability in a joint part on a vehicle body panel even if the number of welding sites for the joint part on the vehicle body panel is limited.SOLUTION: Since bead parts 20, 24 are respectively arranged on first, second panels 14, 16, rigidity in surfaces of the first, second panels 14, 16 may be improved and an advantage is provided in suppression of curvature in a joint part 2 of the first, second panels 14, 16 during traveling on off road. A base part 22 is arranged on a bead part formation top wall 2004 of the bead part 20, spot welding is executed onto a site of base part formation top wall 2204 of the base part 22, thereby rigidity in a part around the base part 22 may be topically improved by an effect from ridgeline as a boundary between a base part formation sidewall 2202 and the base part formation top wall 2204 and an advantage is provided in alleviation of stress on a welding site W on the joint part 2 of the first, second panels 14, 16 upon traveling on off road.SELECTED DRAWING: Figure 8

Description

本発明は車体パネルの接合構造に関する。   The present invention relates to a joint structure for vehicle body panels.

特許文献１には、車体パネルの接合部の剛性を確保する車体パネルの接合構造が開示されている。
特許文献１では、フロントフロアパネルとリヤフロアパネルのそれぞれに車幅方向に一定の間隔をおいて車体前後方向に延在するビードを形成する。ビードは、ビードの延在方向と直交する方向において長尺のビードと短尺のビードとを交互に並べることで構成されている。
そして、フロントフロアパネルの長尺のビードとリヤフロアパネルの短尺のビードとが突き合わされ、また、フロントフロアパネルの短尺のビードとリヤフロアパネルの長尺のビードとが突き合わされ、それら長さの異なるビードが直線的に連続するようにフロントパネルの後端部とリヤフロアパネルの前端部を重ね合わせ、ビードの延在方向と直交する方向においてフロントパネルの後端部とリヤフロアパネルの前端部とをスポット溶接する。 Patent Document 1 discloses a vehicle body panel joint structure that ensures the rigidity of the joint portion of the vehicle body panel.
In Patent Document 1, a bead extending in the front-rear direction of the vehicle body is formed on each of the front floor panel and the rear floor panel at a constant interval in the vehicle width direction. The bead is configured by alternately arranging long beads and short beads in a direction perpendicular to the extending direction of the beads.
Then, the long bead on the front floor panel and the short bead on the rear floor panel are abutted, and the short bead on the front floor panel and the long bead on the rear floor panel are abutted to each other. So that the rear end of the front panel and the front end of the rear floor panel are overlapped so that they are linearly continuous, and the rear end of the front panel and the front end of the rear floor panel are spot-welded in the direction perpendicular to the extending direction of the beads. To do.

特開平１０−２４８６６号公報Japanese Patent Laid-Open No. 10-24866

ところで、車体パネルの部位によっては、車体パネルの接合部が他の車体パネルによって覆われる場合がある。この場合は、他の車体パネルに溶接用の作業孔を形成し、溶接用の作業孔を介して車体パネルの接合部に溶接作業を行なう必要がある。
このような場合、上述のようなビードの延在方向と直交する方向においてフロントパネルの後端部とリヤフロアパネルの前端部とをスポット溶接する接合部構造では、溶接箇所の数を充分に確保できない。
溶接箇所の数を充分に確保できない場合は、車体パネルの接合部の剛性が低下し、また、１つの溶接箇所に加わる応力が増加することから車体パネルの接合部の耐久性を確保する上で不利がある。
本発明は、上記事情に鑑みなされたものであり、車体パネルの接合部の溶接箇所の数が限定されていても、車体パネルの接合部の耐久性の向上を図る上で有利な車体パネルの接合構造を提供することを目的とする。 By the way, depending on the part of the vehicle body panel, the joint portion of the vehicle body panel may be covered with another vehicle body panel. In this case, it is necessary to form a work hole for welding in another vehicle body panel and perform the welding work on the joint portion of the vehicle body panel via the work hole for welding.
In such a case, in the joint structure in which the rear end portion of the front panel and the front end portion of the rear floor panel are spot-welded in the direction perpendicular to the extending direction of the bead as described above, a sufficient number of welding locations cannot be secured. .
When the number of welded parts cannot be secured sufficiently, the rigidity of the joint part of the vehicle body panel is lowered, and the stress applied to one welded part is increased, so that the durability of the joint part of the vehicle body panel is secured. There are disadvantages.
The present invention has been made in view of the above circumstances, and it is advantageous for a vehicle body panel that is advantageous in improving the durability of the joint portion of the vehicle body panel even if the number of welded portions of the joint portion of the vehicle body panel is limited. An object is to provide a joint structure.

上記目的を達成するために、請求項１記載の発明は、２枚のパネルが重ねられスポット溶接により接合される車体パネルの接合構造であって、前記２枚のパネルのうちの一方のパネルで前記重ねられる箇所に、そのパネルの厚さ方向に突出しつつ延在するビード部が設けられ、前記ビード部は、前記パネルから起立するビード部形成用側壁と、前記ビード部形成用側壁の先端に接続されたビード部形成用頂壁とを含んで構成され、前記ビード部形成用頂壁に前記ビード部の突出方向と同じ向きで前記ビード部形成用頂壁の厚さ方向に突出する台座部が設けられ、前記台座部は、前記ビード部形成用頂壁から起立する台座部形成用側壁と、前記台座部形成用側壁の先端に接続された台座部形成用頂壁とを含んで構成され、前記２枚のパネルは、前記台座部形成用頂壁と、他方のパネルとが重ねられる箇所でスポット溶接により接合されていることを特徴とする。
請求項２記載の発明は、前記２枚のパネルのうちの他方のパネルで前記重ねられる箇所に、前記一方のパネルの前記ビード部の突出方向と同じ向きにビード部が設けられ、前記他方のパネルのビード部は、前記パネルから起立するビード部形成用側壁と、前記ビード部形成用側壁の先端に接続されたビード部形成用頂壁とを含んで構成され、前記２枚のパネルは、前記一方のパネルの前記台座部形成用頂壁と、他方のパネルの前記ビード部形成用頂壁とが重ねられる箇所でスポット溶接により接合されていることを特徴とする。
請求項３記載の発明は、前記２枚のパネルのうちの他方のパネルで前記重ねられる箇所に、前記一方のパネルの前記ビード部の突出方向と同じ向きにビード部が設けられ、前記他方のパネルのビード部は、前記パネルから起立するビード部形成用側壁と、前記ビード部形成用側壁の先端に接続されたビード部形成用頂壁とを含んで構成され、前記他方のパネルの前記ビード部形成用頂壁に前記ビード部の突出方向と同じ向きで前記ビード部形成用頂壁の厚さ方向に突出する台座部が設けられ、前記他方のパネルの前記台座部は、前記ビード部形成用頂壁から起立する台座部形成用側壁と、前記台座部形成用側壁の先端に接続された台座部形成用頂壁とを含んで構成され、前記２枚のパネルは、それらパネルのビード部形成用側壁、ビード部形成用頂壁、台座部形成用側壁、台座部形成用頂壁とが重ねられ、前記２枚のパネルの台座部形成用頂壁が重ねられた箇所でスポット溶接により接合されていることを特徴とする。
請求項４記載の発明は、前記台座部は、円錐台状を呈していることを特徴とする。 In order to achieve the above object, the invention according to claim 1 is a vehicle body panel joining structure in which two panels are overlapped and joined by spot welding, and one of the two panels is joined. A bead portion that extends while projecting in the thickness direction of the panel is provided at the overlapped portion, and the bead portion is provided at a bead portion-forming side wall that stands up from the panel and at a tip of the bead portion-forming side wall. And a pedestal portion that protrudes in the thickness direction of the bead portion forming top wall in the same direction as the protruding direction of the bead portion on the bead portion forming top wall. The pedestal portion includes a pedestal portion forming side wall standing upright from the bead portion forming top wall, and a pedestal portion forming top wall connected to a tip of the pedestal portion forming side wall. The two panels are A serial pedestal portion forming the top wall, characterized in that the other panel is joined by spot welding at points are superimposed.
In the invention according to claim 2, a bead portion is provided in the same direction as the protruding direction of the bead portion of the one panel at the place where the other panel of the two panels is overlapped, The bead portion of the panel is configured to include a bead portion forming side wall standing up from the panel and a bead portion forming top wall connected to a tip of the bead portion forming side wall, and the two panels are The top wall for forming the pedestal part of the one panel and the top wall for forming the bead part of the other panel are joined by spot welding at a place where they overlap each other.
According to a third aspect of the present invention, a bead portion is provided in the same direction as the protruding direction of the bead portion of the one panel at the place where the other panel of the two panels is overlapped, The bead portion of the panel includes a bead portion-forming side wall standing upright from the panel, and a bead portion-forming top wall connected to a tip of the bead portion-forming side wall, and the bead of the other panel A pedestal that protrudes in the thickness direction of the top wall for forming the bead part is provided on the top wall for forming the part in the same direction as the protruding direction of the bead part, and the pedestal part of the other panel forms the bead part. A pedestal-forming side wall that stands up from the top wall, and a pedestal-forming top wall connected to a tip of the pedestal-forming side wall, and the two panels are bead portions of the panels. Side wall for forming, bead shape A top wall, a side wall for forming a pedestal part, and a top wall for forming a pedestal part are overlapped, and the top wall for forming the pedestal part of the two panels is joined by spot welding. To do.
The invention according to claim 4 is characterized in that the pedestal portion has a truncated cone shape.

請求項１記載の発明によれば、パネルにビード部を設けることでパネルの面剛性を向上でき、悪路走行時におけるパネルの接合部のたわみを抑制する上で有利となる。
また、ビード部のビード部形成用頂壁に台座部を設け、この台座部の台座部形成用頂壁の箇所でスポット溶接するので、台座部形成用側壁と台座部形成用頂壁との境である稜線の効果により台座部（台座部形成用頂壁）の周辺の剛性を局所的に向上でき、悪路走行時にパネルの接合部の溶接箇所が受ける応力を緩和する上で有利となる。
したがって、パネルの接合部の溶接箇所の数が限定されていても、パネルの接合部の耐久性の向上を図る上で有利となる。
請求項２、３記載の発明によれば、請求項１の効果を高める上で有利となる。
請求項４記載の発明によれば、台座部が円錐台状を呈しているので、どの方向からの荷重の入力に対しても台座部の周辺の剛性を高める上で有利となる。 According to the first aspect of the present invention, by providing a bead portion on the panel, it is possible to improve the surface rigidity of the panel, and it is advantageous for suppressing the deflection of the joint portion of the panel when traveling on a rough road.
In addition, a pedestal portion is provided on the bead portion forming top wall of the bead portion, and spot welding is performed at a position of the pedestal forming top wall of the pedestal portion, so that the boundary between the pedestal forming side wall and the pedestal forming top wall is The effect of the ridge line can locally improve the rigidity of the periphery of the pedestal portion (the top wall for forming the pedestal portion), which is advantageous in mitigating the stress received by the welded portion of the joint portion of the panel when traveling on a rough road.
Therefore, even if the number of welded portions of the panel joint is limited, it is advantageous to improve the durability of the panel joint.
According to the second and third aspects of the invention, it is advantageous to enhance the effect of the first aspect.
According to the fourth aspect of the present invention, since the pedestal portion has a truncated cone shape, it is advantageous for increasing the rigidity around the pedestal portion with respect to the input of a load from any direction.

第１の実施の形態に係る車体パネルの接合構造を示す分解斜視図である。It is a disassembled perspective view which shows the joining structure of the vehicle body panel which concerns on 1st Embodiment. 第１パネルと第２パネルの接合部を示す斜視図である。It is a perspective view which shows the junction part of a 1st panel and a 2nd panel. 第１パネルと第２パネルの接合部を示す後面図である。It is a rear view which shows the junction part of a 1st panel and a 2nd panel. 第１パネルのビード部および台座部を示す斜視図である。It is a perspective view which shows the bead part and base part of a 1st panel. （Ａ）は図４のＡＡ線断面図、（Ｂ）は図４のＢＢ線断面図である。(A) is the sectional view on the AA line of FIG. 4, (B) is the sectional view on the BB line of FIG. 第２パネルのビード部および台座部を示す斜視図である。It is a perspective view which shows the bead part and base part of a 2nd panel. （Ａ）は図６のＣＣ線断面図、（Ｂ）は図６のＤＤ線断面図である。(A) is CC sectional view taken on the line of FIG. 6, (B) is DD sectional view taken on the line of FIG. 第１パネルと第２パネルの接合部の断面図であり、（Ａ）は図２のＸＸ線断面図、（Ｂ）は図２のＹＹ線断面図である。It is sectional drawing of the junction part of a 1st panel and a 2nd panel, (A) is the XX sectional view taken on the line of FIG. 2, (B) is the YY sectional view taken on the line of FIG. 第２の実施の形態における第１パネルと第２パネルの接合部の断面図である。It is sectional drawing of the junction part of the 1st panel and 2nd panel in 2nd Embodiment.

（第１の実施の形態）
以下、本発明の実施の形態について図面を参照して説明する。
なお、以下の図面において、符号ＦＲは車両前方を示し、符号ＵＰは車両上方を示し、符号ＨＬは車幅方向を示す。
まず、車両の後部構造について説明する。
図１、図３に示すように、車両１０の後部には、不図示のリヤゲートによって開閉される開口部１２が形成されている。
開口部１２の下辺に沿って車幅方向に延在する第１パネル（PANEL,RR END INR CTR（パネルリヤエンドインナセンタ））１４が設けられ、第１パネル１４の両端に第２パネル（PILLAR, GATE INR, EXT LWR（ピラーゲートインナエクステンションロア））１６がそれぞれ接合され、それら第２パネル１６は、開口部１２の両側に位置するリヤピラー１３の下部にそれぞれ接合されている。
また、第１パネル１４と第２パネル１６の接合部２の後方を覆うように、第３パネル１８がそれぞれ設けられている。
第３パネル１８は、リヤピラー１３の下部にそれぞれ接合され、リヤゲート開口部12のコーナー部の補強をするものである。
第３パネル１８には、第１パネル１４と第２パネル１６の接合部２に対してスポット溶接を行なうための作業孔１８０２がそれぞれ開口されている。したがって、溶接箇所が作業孔１８０２の内側に限られるため、溶接箇所の数が限定されることになる。
なお、図中、符号Ｗは接合部２における溶接箇所を示す。
本実施の形態では、第１パネル１４と第２パネル１６との接合部２に本発明が適用されている。 (First embodiment)
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
In the following drawings, the symbol FR indicates the front of the vehicle, the symbol UP indicates the upper side of the vehicle, and the symbol HL indicates the vehicle width direction.
First, the rear structure of the vehicle will be described.
As shown in FIGS. 1 and 3, an opening 12 that is opened and closed by a rear gate (not shown) is formed at the rear of the vehicle 10.
A first panel (PANEL, RR END INR CTR (panel rear end inner center)) 14 extending in the vehicle width direction along the lower side of the opening 12 is provided, and second panels (PILLAR, GATE INR, EXT LWR (pillar gate inner extension lower)) 16 are joined to each other, and the second panels 16 are joined to lower portions of the rear pillars 13 located on both sides of the opening 12 respectively.
Moreover, the 3rd panel 18 is each provided so that the back of the junction part 2 of the 1st panel 14 and the 2nd panel 16 may be covered.
The third panel 18 is joined to the lower part of the rear pillar 13 to reinforce the corner portion of the rear gate opening 12.
The third panel 18 is opened with working holes 1802 for spot welding the joint portion 2 between the first panel 14 and the second panel 16. Therefore, the number of welding locations is limited because the number of welding locations is limited to the inside of the work hole 1802.
In addition, in the figure, the symbol W indicates the welding location at the joint 2.
In the present embodiment, the present invention is applied to the joint portion 2 between the first panel 14 and the second panel 16.

本発明の車体パネルの接合構造は、ビード部２０、２４と、台座部２２、２６とを含んで構成されている。
図１から図５に示すように、ビード部２０は、第２パネル１６に重ねられる第１パネル１４の箇所に、その第１パネル１４の厚さ方向に突出しつつ延在形成されている。
図４、図５に示すように、ビード部２０は、第１パネル１４から起立するビード部形成用側壁２００２と、ビード部形成用側壁２００２の先端に接続され第１パネル１４と平行して延在するビード部形成用頂壁２００４とを含んで形成され、細長形状に形成されている。
台座部２２は、ビード部形成用頂壁２００４にビード部２０の突出方向と同じ向きでビード部形成用頂壁２００４の厚さ方向に突出しており、本実施の形態では、ビード部２０の延在方向に間隔をおいて２つ設けられている。
台座部２２は、ビード部形成用頂壁２００４から起立する台座部形成用側壁２２０２と、台座部形成用側壁２２０２の先端に接続されビード部形成用頂壁２００４と平行して延在する台座部形成用頂壁２２０４とを含んで形成され、円錐台状に形成されている。このとき、台座部形成用側壁２２０２とビード部形成用側壁２００２の間には、必ずビード部形成用頂壁２００４が設けられる。このように台座部２２を円錐台状に形成すると、全ての方向からの荷重の入力に対して、台座部２２の周辺の剛性を高める上で有利となる。 The vehicle body panel joining structure of the present invention includes bead portions 20 and 24 and pedestal portions 22 and 26.
As shown in FIGS. 1 to 5, the bead portion 20 is formed at a location of the first panel 14 that is overlapped with the second panel 16 so as to protrude in the thickness direction of the first panel 14.
As shown in FIGS. 4 and 5, the bead portion 20 is connected to the bead portion forming sidewall 2002 erected from the first panel 14 and the tip of the bead portion forming sidewall 2002 and extends in parallel with the first panel 14. The bead portion forming top wall 2004 is formed and formed in an elongated shape.
The pedestal portion 22 protrudes in the thickness direction of the bead portion forming top wall 2004 in the same direction as the protruding direction of the bead portion 20 on the bead portion forming top wall 2004. In this embodiment, the pedestal portion 22 extends the bead portion 20. Two are provided at intervals in the current direction.
The pedestal portion 22 includes a pedestal portion forming side wall 2202 that stands up from the bead portion forming top wall 2004, and a pedestal portion that is connected to the tip of the pedestal portion forming side wall 2202 and extends in parallel with the bead portion forming top wall 2004. The top wall 2204 for forming is formed, and is formed in a truncated cone shape. At this time, a bead portion forming top wall 2004 is always provided between the base portion forming side wall 2202 and the bead portion forming side wall 2002. When the pedestal portion 22 is formed in a truncated cone shape in this way, it is advantageous in increasing the rigidity around the pedestal portion 22 with respect to the input of loads from all directions.

図１、図６，図７に示すように、第１パネル１４に重ねられる第２パネル１６の箇所に、第１パネル１４のビード部２０の突出方向と同じ向きにビード部２４が設けられている。
第２パネル１６のビード部２４は、第２パネル１６から起立するビード部形成用側壁２４０２と、ビード部形成用側壁２４０２の先端に接続され第２パネル１６と平行して延在するビード部形成用頂壁２４０４とを含んで形成され、細長形状に形成されている。
また、ビード部形成用頂壁２４０４にビード部２４の突出方向と同じ向きでビード部形成用頂壁２４０４の厚さ方向に台座部２６が突出しており、台座部２６はビード部２４の延在方向に沿って延在している。
台座部２６は、ビード部形成用頂壁２４０４から起立する台座部形成用側壁２６０２と、台座部形成用側壁２６０２の先端に接続されビード部形成用頂壁２４０４と平行して延在する台座部形成用頂壁２６０４とを含んで形成され、ビード部２４に沿った細長形状に形成されている。第１パネル１４と同様に、台座部形成用側壁２６０２とビード部形成用側壁２４０２の間には、必ずビード部形成用頂壁２４０４が設けられる。 As shown in FIGS. 1, 6, and 7, a bead portion 24 is provided in the same direction as the protruding direction of the bead portion 20 of the first panel 14 at the location of the second panel 16 that is superimposed on the first panel 14. Yes.
The bead portion 24 of the second panel 16 includes a bead portion forming side wall 2402 standing upright from the second panel 16 and a bead portion forming portion connected to the tip of the bead portion forming side wall 2402 and extending in parallel with the second panel 16. The top wall 2404 is formed to have an elongated shape.
Further, a pedestal portion 26 protrudes from the bead portion forming top wall 2404 in the same direction as the protruding direction of the bead portion 24 in the thickness direction of the bead portion forming top wall 2404, and the pedestal portion 26 extends from the bead portion 24. Extends along the direction.
The pedestal part 26 includes a pedestal part forming side wall 2602 that stands up from the bead part forming top wall 2404, and a pedestal part that is connected to the tip of the pedestal part forming side wall 2602 and extends in parallel with the bead part forming top wall 2404. The top wall 2604 for forming is formed and formed into an elongated shape along the bead portion 24. Similar to the first panel 14, a bead portion forming top wall 2404 is always provided between the base portion forming side wall 2602 and the bead portion forming side wall 2402.

なお、第１の実施の形態では、組立工程上、第１パネル１４の端部と第２パネル１６の端部とをスライドさせて重ねるため、より詳細には、第２パネル１６のビード部２４の内側に第１パネル１４のビード部２０を合わせてスライドさせるため、第２パネル１６においてビード部２４の長手方向の端部と台座部２６の長手方向の端部は、第２パネル１６の端部において切断されており、したがって、ビード部２４の長手方向の端部と台座部２６の長手方向の端部は開放状に形成されている。第１の実施の形態では、第１パネル１４のビード部２０も第１パネル１４の端部において切断されており、したがって、ビード部２０の長手方向の端部は開放状に形成されている。   In the first embodiment, the end portion of the first panel 14 and the end portion of the second panel 16 are slid and overlapped during the assembly process, and more specifically, the bead portion 24 of the second panel 16. In order to slide the bead portion 20 of the first panel 14 inward of the second panel 16, the end portion of the bead portion 24 in the second panel 16 and the end portion of the pedestal portion 26 in the longitudinal direction are the ends of the second panel 16. Therefore, the end portion in the longitudinal direction of the bead portion 24 and the end portion in the longitudinal direction of the pedestal portion 26 are formed in an open shape. In 1st Embodiment, the bead part 20 of the 1st panel 14 is also cut | disconnected in the edge part of the 1st panel 14, Therefore, the edge part of the longitudinal direction of the bead part 20 is formed in the open shape.

図８に示すように、第１、第２パネル１４、１６は、作業孔１８０２内において、第１パネル１４の台座部形成用頂壁２２０４と、第２パネル１６の台座部形成用頂壁２６０４とが重ねられる。
本実施の形態では、図８（Ａ）に示すように、第１パネル１４の端部のビード部形成用頂壁２００４が第２パネル１６のビード部形成用頂壁２４０４に重ねられ、また、図８（Ｂ）に示すように、第１パネル１４のビード部２０の延在方向と直交する方向において第１パネル１４のビード部形成用側壁２００２と第２パネル１６のビード部形成用側壁２４０２とが重ねられる。
そして、重ねられた台座部形成用頂壁２２０４、２６０４がスポット溶接により接合されている。
また、重ねられた台座部形成用頂壁２２０４、２６０４の下方においても、図３に示すように、平坦な第１、第２パネル１４、１６の部分が重ねられスポット溶接により接合されている。
したがって、接合部２は、重ねられた台座部形成用頂壁２２０４、２６０４がスポット溶接により接合された箇所を含んで構成されている。 As shown in FIG. 8, the first and second panels 14, 16 are within the working hole 1802, the pedestal forming top wall 2204 of the first panel 14 and the pedestal forming top wall 2604 of the second panel 16. Are superimposed.
In the present embodiment, as shown in FIG. 8A, the bead portion forming top wall 2004 at the end of the first panel 14 is overlapped with the bead portion forming top wall 2404 of the second panel 16, and As shown in FIG. 8B, the bead portion forming side wall 2002 of the first panel 14 and the bead portion forming side wall 2402 of the second panel 16 in a direction orthogonal to the extending direction of the bead portion 20 of the first panel 14. Are superimposed.
The stacked base portion forming top walls 2204 and 2604 are joined by spot welding.
Also, below the stacked base portion forming top walls 2204 and 2604, the flat first and second panels 14 and 16 are overlapped and joined by spot welding as shown in FIG.
Therefore, the junction part 2 is comprised including the location where the piled base part formation top walls 2204 and 2604 were joined by spot welding.

次に作用効果について説明する。
車両１０の悪路走行時には、車体全体が荷重を受けることで僅かに変形しようとし、第１、第２パネル１４、１６の接合部２は、荷重によって変形して僅かにたわもうとする。
本実施の形態によれば、第１、第２パネル１４、１６にそれぞれビード部２０、２４を設けたので、第１、第２パネル１４、１６の面剛性を向上でき、悪路走行時における第１、第２パネル１４、１６の接合部２のたわみを抑制する上で有利となる。
また、ビード部２０のビード部形成用頂壁２００４に台座部２２を設け、この台座部２２の台座部形成用頂壁２２０４の箇所でスポット溶接するようにしたので、台座部形成用側壁２２０２と台座部形成用頂壁２２０４との境である稜線の効果により台座部２２（台座部形成用頂壁２２０４）の周辺の剛性を局所的に向上でき、悪路走行時に第１、第２パネル１４、１６の接合部２の溶接箇所Ｗが受ける応力を緩和する上で有利となる。
したがって、図３に示すように、第１、第２パネル１４、１６の接合部２の溶接箇所Ｗの数が限定されていても、第１、第２パネル１４、１６の接合部２の耐久性の向上を図る上で有利となる。 Next, the function and effect will be described.
When the vehicle 10 travels on a rough road, the entire vehicle body tends to be slightly deformed by receiving a load, and the joint portion 2 of the first and second panels 14 and 16 is deformed by the load and tries to bend slightly.
According to this embodiment, since the first and second panels 14 and 16 are provided with the bead portions 20 and 24, respectively, the surface rigidity of the first and second panels 14 and 16 can be improved, and when traveling on a rough road. This is advantageous in suppressing the deflection of the joint 2 of the first and second panels 14 and 16.
In addition, since the pedestal portion 22 is provided on the bead portion forming top wall 2004 of the bead portion 20 and spot welding is performed at the position of the pedestal portion forming top wall 2204 of the pedestal portion 22, the pedestal portion forming side wall 2202 and The rigidity of the periphery of the pedestal portion 22 (the pedestal portion forming top wall 2204) can be locally improved by the effect of the ridge line that is the boundary with the pedestal portion forming top wall 2204, and the first and second panels 14 can be improved when traveling on a rough road. , 16 is advantageous in relieving the stress applied to the welded portion W of the joint portion 2.
Therefore, as shown in FIG. 3, even if the number of welding points W of the joint portion 2 of the first and second panels 14 and 16 is limited, the durability of the joint portion 2 of the first and second panels 14 and 16 is limited. This is advantageous for improving the performance.

（第２の実施の形態）
次に第２の実施の形態について図９を参照して説明する。図９は第１の実施の形態の図８に対応する断面図である。
第１の実施の形態では、組立工程上、第１パネル１４と第２パネル１６とをスライドさせ第１パネル１４のビード部２０と第２パネル１６のビード部２４とを重ねるようにしたが、第２の実施の形態では、組立工程を、第１パネル１４と第２パネル１６とをそれらパネルの厚さ方向から重ねるようにした。
そのため、第１パネル１４のビード部２０と第２パネル１６のビード部２４とは共に開放された部分を有していない。
すなわち、第２パネル１６に重ねられる第１パネル１４の箇所に、ビード部２０が細長形状に延在形成され、台座部２２がビード部形成用頂壁２００４にビード部２０の延在方向に間隔をおいて２つ円錐台状に設けられている。
また、第１パネル１４に重ねられる第２パネル１６の箇所に、ビード部２４が細長形状に延在形成され、台座部２６がビード部形成用頂壁２４０４にビード部２４の延在方向に間隔をおいて２つ円錐台状に設けられている。このように台座部２２、２４を円錐台状に形成すると、全ての方向からの荷重の入力に対して、台座部２４、２６の周辺の剛性を高める上で有利となる。 (Second Embodiment)
Next, a second embodiment will be described with reference to FIG. FIG. 9 is a cross-sectional view corresponding to FIG. 8 of the first embodiment.
In the first embodiment, in the assembly process, the first panel 14 and the second panel 16 are slid to overlap the bead portion 20 of the first panel 14 and the bead portion 24 of the second panel 16. In the second embodiment, in the assembly process, the first panel 14 and the second panel 16 are overlapped from the thickness direction of the panels.
Therefore, the bead part 20 of the first panel 14 and the bead part 24 of the second panel 16 do not have an open part.
That is, the bead portion 20 is formed in an elongated shape at the location of the first panel 14 that is overlapped with the second panel 16, and the pedestal portion 22 is spaced from the bead portion forming top wall 2004 in the extending direction of the bead portion 20. Two are provided in the shape of a truncated cone.
In addition, the bead portion 24 is formed in an elongated shape at the position of the second panel 16 that is overlapped with the first panel 14, and the pedestal portion 26 is spaced from the bead portion forming top wall 2404 in the extending direction of the bead portion 24. Two are provided in the shape of a truncated cone. When the pedestal portions 22 and 24 are formed in a truncated cone shape as described above, it is advantageous to increase the rigidity around the pedestal portions 24 and 26 with respect to the input of loads from all directions.

第１パネル１４のビード部２０は、第２パネル１６のビード部２４の内側に係合可能に設けられ、第１パネル１４の２つの台座部２２は、第２パネル１６の各台座部２６の内側に係合可能に設けられている。
そして、第１パネル１４のビード部２０は、第２パネル１６のビード部２４の内側に係合され、第１パネル１４の２つの台座部２２は、第２パネル１６の各台座部２６の内側に係合され、第１パネル１４の台座部２２の台座部形成用頂壁２２０４と第２パネル１６の台座部２６の台座部形成用頂壁２６０４とが重ねられスポット溶接により接合されている。 The bead portion 20 of the first panel 14 is provided so as to be engageable with the inside of the bead portion 24 of the second panel 16, and the two pedestal portions 22 of the first panel 14 are connected to the pedestal portions 26 of the second panel 16. It is provided inside so as to be engageable.
The bead portion 20 of the first panel 14 is engaged with the inside of the bead portion 24 of the second panel 16, and the two pedestal portions 22 of the first panel 14 are inside the pedestal portions 26 of the second panel 16. The base portion forming top wall 2204 of the base portion 22 of the first panel 14 and the base portion forming top wall 2604 of the base portion 26 of the second panel 16 are overlapped and joined by spot welding.

第２の実施の形態によれば、第１パネル１４のビード部形成用側壁２００２とビード部形成用頂壁２００４とが、第２パネル１６のビード部形成用側壁２４０２とビード部形成用頂壁２４０４とに重ねられ、第１パネル１４の台座部形成用側壁２２０２と台座部形成用頂壁２２０４とが、第２パネル１６の台座部形成用側壁２６０２と台座部形成用頂壁２６０４とに重ねられるため、第１、第２パネル１４、１６の接合部２の溶接箇所Ｗの数が限定されていても、悪路走行時における第１、第２パネル１４、１６の接合部２のたわみを抑制でき、また、第１、第２パネル１４、１６の接合部２の溶接箇所Ｗが受ける応力を緩和できるため、第１、第２パネル１４、１６の接合部２の耐久性の向上を図る上で有利となる。   According to the second embodiment, the bead portion forming side wall 2002 and the bead portion forming top wall 2004 of the first panel 14 are the bead portion forming side wall 2402 and the bead portion forming top wall of the second panel 16. The pedestal portion forming side wall 2202 and the pedestal portion forming top wall 2204 of the first panel 14 are overlapped with the pedestal portion forming side wall 2602 and the pedestal portion forming top wall 2604 of the second panel 16. Therefore, even if the number of welded portions W of the joint portion 2 of the first and second panels 14 and 16 is limited, the deflection of the joint portion 2 of the first and second panels 14 and 16 during rough road traveling is limited. Since the stress received by the welded portion W of the joint portion 2 of the first and second panels 14 and 16 can be reduced, the durability of the joint portion 2 of the first and second panels 14 and 16 is improved. This is advantageous.

なお、実施の形態では、第１パネル１４と第２パネル１６の双方にビード部２０、２４および台座部２２、２６を形成した場合について説明したが、第１パネル１４と第２パネル１６の一方にビード部２０および台座部２２を形成すれば、第１パネル１４と第２パネル１６の他方が平坦なパネルであっても、悪路走行時における第１、第２パネル１４、１６の接合部２のたわみを抑制でき、また、第１、第２パネル１４、１６の接合部２の溶接箇所Ｗが受ける応力を緩和でき、第１、第２パネル１４、１６の接合部２の耐久性の向上を図る上で有利となる。   In the embodiment, the case where the bead portions 20 and 24 and the pedestal portions 22 and 26 are formed on both the first panel 14 and the second panel 16 has been described, but one of the first panel 14 and the second panel 16 is described. If the bead portion 20 and the pedestal portion 22 are formed on the first and second panels 14 and 16, the first panel 14 and the second panel 16 are joined to each other even when the other of the first panel 14 and the second panel 16 is a flat panel. 2 can be suppressed, stress applied to the welded portion W of the joint portion 2 of the first and second panels 14 and 16 can be reduced, and the durability of the joint portion 2 of the first and second panels 14 and 16 can be reduced. This is advantageous for improvement.

また、第１パネル１４と第２パネル１６の一方にビード部２０および台座部２２を形成し、第１パネル１４と第２パネル１６の他方にビード部２４を形成し、台座部２２の台座部形成用頂壁２２０４とビード部２４のビード部形成用頂壁２４０４とを重ね合わせてスポット溶接しても、悪路走行時における第１、第２パネル１４、１６の接合部２のたわみを抑制でき、また、第１、第２パネル１４、１６の接合部２の溶接箇所Ｗが受ける応力を緩和でき、第１、第２パネル１４、１６の接合部２の耐久性の向上を図る上で有利となる。
しかしながら、第１パネル１４と第２パネル１６の双方にビード部２０、２４および台座部２２、２６を形成すると、悪路走行時における第１、第２パネル１４、１６の接合部２のたわみを抑制し、また、第１、第２パネル１４、１６の接合部２の溶接箇所Ｗが受ける応力を緩和する上でより有利となり、第１、第２パネル１４、１６の接合部２の耐久性の向上を図る上でより有利となる。 Further, the bead portion 20 and the pedestal portion 22 are formed on one of the first panel 14 and the second panel 16, and the bead portion 24 is formed on the other of the first panel 14 and the second panel 16, and the pedestal portion of the pedestal portion 22 is formed. Even if the top wall 2204 for forming and the top wall 2404 for forming the bead part of the bead part 24 are overlapped and spot-welded, the bending of the joint part 2 of the first and second panels 14 and 16 during rough road traveling is suppressed. In addition, the stress applied to the welded portion W of the joint portion 2 of the first and second panels 14 and 16 can be relaxed, and the durability of the joint portion 2 of the first and second panels 14 and 16 can be improved. It will be advantageous.
However, if the bead portions 20 and 24 and the pedestal portions 22 and 26 are formed on both the first panel 14 and the second panel 16, the bending of the joint portion 2 of the first and second panels 14 and 16 during rough road traveling is prevented. Further, it is more advantageous in reducing the stress received by the welded portion W of the joint portion 2 of the first and second panels 14 and 16, and the durability of the joint portion 2 of the first and second panels 14 and 16 is improved. This is more advantageous for improving the quality.

１０ 車両
１２ 開口部
１４ 第１パネル
１６ 第２パネル
２０ ビード部
２００２ ビード部形成用側壁
２００４ ビード部形成用頂壁
２２ 台座部
２２０２ 台座部形成用側壁
２２０４ 台座部形成用頂壁
２４ ビード部
２４０２ ビード部形成用側壁
２４０４ ビード部形成用頂壁
２６ 台座部
２６０２ 台座部形成用側壁
２６０４ 台座部形成用頂壁 DESCRIPTION OF SYMBOLS 10 Vehicle 12 Opening part 14 1st panel 16 2nd panel 20 Bead part 2002 Side wall 2004 for bead part formation 22 Top wall for bead part formation 22 Base part 2202 Side wall for base part formation 2044 Base wall for forming base part 24 Bead part 2402 Bead Side wall for forming part 2404 Top wall for forming bead part 26 Base part 2602 Side wall for forming base part 2604 Top wall for forming base part

Claims (4)

２枚のパネルが重ねられスポット溶接により接合される車体パネルの接合構造であって、
前記２枚のパネルのうちの一方のパネルで前記重ねられる箇所に、そのパネルの厚さ方向に突出しつつ延在するビード部が設けられ、
前記ビード部は、前記パネルから起立するビード部形成用側壁と、前記ビード部形成用側壁の先端に接続されたビード部形成用頂壁とを含んで構成され、
前記ビード部形成用頂壁に前記ビード部の突出方向と同じ向きで前記ビード部形成用頂壁の厚さ方向に突出する台座部が設けられ、
前記台座部は、前記ビード部形成用頂壁から起立する台座部形成用側壁と、前記台座部形成用側壁の先端に接続された台座部形成用頂壁とを含んで構成され、
前記２枚のパネルは、前記台座部形成用頂壁と、他方のパネルとが重ねられる箇所でスポット溶接により接合されている、
ことを特徴とする車体パネルの接合構造。 A vehicle body panel joining structure in which two panels are overlapped and joined by spot welding,
A bead portion that extends while projecting in the thickness direction of the panel is provided at the overlapped portion of one of the two panels.
The bead part includes a bead part forming side wall that stands up from the panel, and a bead part forming top wall connected to a tip of the bead part forming side wall,
A pedestal that protrudes in the thickness direction of the bead portion forming top wall in the same direction as the protruding direction of the bead portion is provided on the bead portion forming top wall;
The pedestal part includes a pedestal part forming side wall that stands up from the bead part forming top wall, and a pedestal part forming top wall connected to a tip of the pedestal part forming side wall,
The two panels are joined by spot welding at the place where the top wall for forming the pedestal and the other panel are overlapped,
A vehicle body panel joining structure characterized by that. 前記２枚のパネルのうちの他方のパネルで前記重ねられる箇所に、前記一方のパネルの前記ビード部の突出方向と同じ向きにビード部が設けられ、
前記他方のパネルのビード部は、前記パネルから起立するビード部形成用側壁と、前記ビード部形成用側壁の先端に接続されたビード部形成用頂壁とを含んで構成され、
前記２枚のパネルは、前記一方のパネルの前記台座部形成用頂壁と、他方のパネルの前記ビード部形成用頂壁とが重ねられる箇所でスポット溶接により接合されている、
ことを特徴とする請求項１記載の車体パネルの接合構造。 A bead portion is provided in the same direction as the protruding direction of the bead portion of the one panel at the place where the other of the two panels is overlapped,
The bead portion of the other panel is configured to include a bead portion forming side wall standing upright from the panel, and a bead portion forming top wall connected to a tip of the bead portion forming side wall,
The two panels are joined by spot welding at a place where the top wall for forming the pedestal part of the one panel and the top wall for forming the bead part of the other panel are overlapped,
The vehicle body panel joining structure according to claim 1, wherein: 前記２枚のパネルのうちの他方のパネルで前記重ねられる箇所に、前記一方のパネルの前記ビード部の突出方向と同じ向きにビード部が設けられ、
前記他方のパネルのビード部は、前記パネルから起立するビード部形成用側壁と、前記ビード部形成用側壁の先端に接続されたビード部形成用頂壁とを含んで構成され、
前記他方のパネルの前記ビード部形成用頂壁に前記ビード部の突出方向と同じ向きで前記ビード部形成用頂壁の厚さ方向に突出する台座部が設けられ、
前記他方のパネルの前記台座部は、前記ビード部形成用頂壁から起立する台座部形成用側壁と、前記台座部形成用側壁の先端に接続された台座部形成用頂壁とを含んで構成され、
前記２枚のパネルは、それらパネルのビード部形成用側壁、ビード部形成用頂壁、台座部形成用側壁、台座部形成用頂壁とが重ねられ、前記２枚のパネルの台座部形成用頂壁が重ねられた箇所でスポット溶接により接合されている、
ことを特徴とする請求項１記載の車体パネルの接合構造。 A bead portion is provided in the same direction as the protruding direction of the bead portion of the one panel at the place where the other of the two panels is overlapped,
The bead portion of the other panel is configured to include a bead portion forming side wall standing upright from the panel, and a bead portion forming top wall connected to a tip of the bead portion forming side wall,
A pedestal that protrudes in the thickness direction of the top wall for forming the bead part in the same direction as the protruding direction of the bead part is provided on the top wall for forming the bead part of the other panel,
The pedestal part of the other panel includes a pedestal part forming side wall that stands up from the bead part forming top wall and a pedestal part forming top wall connected to a tip of the pedestal part forming side wall. And
The two panels have a bead part forming side wall, a bead part forming top wall, a pedestal part forming side wall, and a pedestal part forming top wall overlapped with each other to form the pedestal part of the two panels. Joined by spot welding where the top wall overlaps,
The vehicle body panel joining structure according to claim 1, wherein: 前記台座部は、円錐台状を呈している、
ことを特徴とする請求項１から３の何れか１項記載の車体パネルの接合構造。 The pedestal portion has a truncated cone shape,
The vehicle body panel joint structure according to any one of claims 1 to 3, wherein the vehicle body panel has a joint structure.
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