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JP2018134898A - Vehicle body structure and manufacturing method thereof - Google Patents

Vehicle body structure and manufacturing method thereof Download PDF

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Publication number
JP2018134898A
JP2018134898A JP2017028922A JP2017028922A JP2018134898A JP 2018134898 A JP2018134898 A JP 2018134898A JP 2017028922 A JP2017028922 A JP 2017028922A JP 2017028922 A JP2017028922 A JP 2017028922A JP 2018134898 A JP2018134898 A JP 2018134898A
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Japan
Prior art keywords
cross member
contact surface
body structure
vehicle body
reinforcing member
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JP2017028922A
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Japanese (ja)
Inventor
賢二 藤森
Kenji Fujimori
賢二 藤森
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Isuzu Motors Ltd
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Isuzu Motors Ltd
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Priority to JP2017028922A priority Critical patent/JP2018134898A/en
Priority to CN201880009229.8A priority patent/CN110248862A/en
Priority to PCT/JP2018/005151 priority patent/WO2018151182A1/en
Publication of JP2018134898A publication Critical patent/JP2018134898A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
    • B62D21/02—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members

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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)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

PROBLEM TO BE SOLVED: To prevent coating from vanishing and inhibit rust generation in a vehicle body structure which has reinforcement members added to a cross member.SOLUTION: A vehicle body structure 100 includes: a cross member 2 interposed between two side frames 1a and 1b; and gussets 3a and 3b reinforcing the cross member 2. The cross member 2 includes a first contact surface that comes into contact with the gussets 3a and 3b. The gussets 3a and 3b have second contact surfaces that come into contact with the cross member 2. With the coated first contact surface abutted on the coated second contact surfaces, the cross member 2 is welded to the gussets 3a and 3b.SELECTED DRAWING: Figure 1

Description

本発明は、車体構造およびその製造方法に関する。   The present invention relates to a vehicle body structure and a manufacturing method thereof.

従来、車両に搭載され、２つのサイドフレームの間にクロスメンバが取り付けられた車体構造が知られている。   Conventionally, a vehicle body structure mounted on a vehicle and having a cross member attached between two side frames is known.

例えば特許文献１には、２つのサイドフレームの間にクロスメンバが取り付けられた車体構造において、クロスメンバと各サイドフレームとの取付部分に、クロスメンバを補強するための補強部材が設けられた構成が開示されている。   For example, in Patent Document 1, in a vehicle body structure in which a cross member is attached between two side frames, a reinforcing member for reinforcing the cross member is provided at an attachment portion between the cross member and each side frame. Is disclosed.

国際公開第２０１１／１２１６３８号International Publication No. 2011-121638

しかしながら、クロスメンバに対して補強部材が設けられる場合、以下の問題がある。   However, when a reinforcing member is provided for the cross member, there are the following problems.

クロスメンバと補強部材とを別々に電着塗装した後でそれらを溶接した場合、溶接時の熱によりクロスメンバの表面の塗料が消えてしまうという問題がある。   When the cross member and the reinforcing member are separately electrodeposited and then welded, there is a problem that the paint on the surface of the cross member disappears due to heat during welding.

一方で、クロスメンバと補強部材とを溶接した後でそれらを電着塗装した場合、クロスメンバと補強部材との間において塗料が付着しない部分が生じ、その部分に錆が発生してしまうという問題がある。   On the other hand, when electrodepositing them after welding the cross member and the reinforcing member, there is a portion where the paint does not adhere between the cross member and the reinforcing member, and the portion is rusted. There is.

よって、上述した車体構造では、その製造工程においてクロスメンバの塗装の消失を防止することが望まれ、かつ、クロスメンバと補強部材との間において錆を抑制することが望まれる。   Therefore, in the vehicle body structure described above, it is desired to prevent the disappearance of the coating of the cross member in the manufacturing process, and it is desired to suppress rust between the cross member and the reinforcing member.

本発明の目的は、塗装の消失を防止し、かつ、錆を抑制する車体構造を提供することである。   The objective of this invention is providing the vehicle body structure which prevents the loss | disappearance of coating and suppresses rust.

本発明の車体構造は、２つのサイドフレームの間に設けられたクロスメンバと、前記クロスメンバを補強する第１補強部材と、を備え、前記クロスメンバは前記第１補強部材と接触する第１接触面を有し、前記第１補強部材は前記クロスメンバと接触する第２接触面を有する車体構造であって、塗装が施された前記第１接触面と、塗装が施された前記第２接触面とが当接された状態で、前記クロスメンバと前記第１補強部材とが溶接されている。   The vehicle body structure of the present invention includes a cross member provided between two side frames, and a first reinforcing member that reinforces the cross member, and the cross member is in contact with the first reinforcing member. The vehicle body structure has a contact surface, and the first reinforcing member has a second contact surface that contacts the cross member, and the painted first contact surface and the painted second material. The cross member and the first reinforcing member are welded with the contact surface being in contact therewith.

本発明の車体構造の製造方法は、２つのサイドフレームの間に設けられたクロスメンバと、前記クロスメンバを補強する第１補強部材と、を備え、前記クロスメンバは前記第１補強部材と接触する第１接触面を有し、前記第１補強部材は前記クロスメンバと接触する第２接触面を有する車体構造の製造方法であって、前記第１接触面と、前記第２接触面とをそれぞれ塗装し、塗装が施された前記第１接触面と、塗装が施された前記第２接触面とを当接させた状態で、前記クロスメンバと前記第１補強部材とを溶接する。   A method for manufacturing a vehicle body structure according to the present invention includes a cross member provided between two side frames, and a first reinforcing member that reinforces the cross member, and the cross member contacts the first reinforcing member. A vehicle body structure manufacturing method, wherein the first reinforcing member has a second contact surface that contacts the cross member, wherein the first contact surface and the second contact surface are The cross member and the first reinforcing member are welded in a state where the first contact surface that has been painted and the second contact surface that has been painted are in contact with each other.

本発明によれば、クロスメンバに補強部材を設ける車体構造において、塗装の消失を防止でき、かつ、錆を抑制できる。   According to the present invention, in a vehicle body structure in which a reinforcing member is provided on a cross member, disappearance of coating can be prevented and rust can be suppressed.

本発明の実施の形態に係る車体構造の外観を示す斜視図The perspective view which shows the external appearance of the vehicle body structure which concerns on embodiment of this invention 本発明の実施の形態に係るクロスメンバにガセットが取り付けられた状態を下方から見た斜視図The perspective view which looked at the state where the gusset was attached to the cross member which concerns on embodiment of this invention from the downward direction 本発明の実施の形態に係るクロスメンバを下方から見た斜視図The perspective view which looked at the cross member which concerns on embodiment of this invention from the downward direction 本発明の実施の形態に係るガセットの外観を示す斜視図The perspective view which shows the external appearance of the gusset which concerns on embodiment of this invention

以下、本発明の実施の形態について、図面を参照して詳細に説明する。   Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

まず、本発明の実施の形態に係る車体構造１００の構成例について、図１を用いて説明する。図１は、車体構造１００の外観を示す斜視図である。本実施の形態の車体構造１００は、図示しない車両に搭載される。   First, a configuration example of a vehicle body structure 100 according to an embodiment of the present invention will be described with reference to FIG. FIG. 1 is a perspective view showing an external appearance of the vehicle body structure 100. The vehicle body structure 100 of the present embodiment is mounted on a vehicle (not shown).

なお、図１において、矢印ａは車長方向（車両の全長の方向）を示し、矢印ｂは車高方向を示し、矢印ｃは車幅方向（車両の全幅の方向）を示している。   In FIG. 1, arrow a indicates the vehicle length direction (the direction of the entire length of the vehicle), arrow b indicates the vehicle height direction, and arrow c indicates the vehicle width direction (the direction of the entire width of the vehicle).

図１に示す車体構造１００は、クロスメンバ２と、そのクロスメンバ２を補強するガセット３ａおよびガセット３ｂ（図１では図示略。図２参照）とを備える。   A vehicle body structure 100 shown in FIG. 1 includes a cross member 2, and a gusset 3a and a gusset 3b (not shown in FIG. 1, refer to FIG. 2) that reinforce the cross member 2.

クロスメンバ２は、図１に示すように、車長方向に設けられたサイドフレーム（サイドメンバともいう）１ａとサイドフレーム１ｂとの間に、車幅方向に沿って設けられる。   As shown in FIG. 1, the cross member 2 is provided along a vehicle width direction between a side frame (also referred to as a side member) 1a and a side frame 1b provided in the vehicle length direction.

図２は、図１に示したクロスメンバ２を下方から見た斜視図である。図２に示すように、ガセット３ａ、３ｂは、クロスメンバ２の下方かつ両端に設けられる。   FIG. 2 is a perspective view of the cross member 2 shown in FIG. 1 as viewed from below. As shown in FIG. 2, the gussets 3 a and 3 b are provided below the cross member 2 and at both ends.

図２に示すように、クロスメンバ２、ガセット３ａ、およびガセット３ｂには、それぞれ、曲折部分Ａが形成されている。また、図２に示すように、クロスメンバ２、ガセット３ａ、およびガセット３ｂには、それぞれ、曲折部分Ａから下方（車長方向における下方向）へ延出したリブ立て部分Ｂが形成されている。   As shown in FIG. 2, bent portions A are formed in the cross member 2, the gusset 3 a, and the gusset 3 b, respectively. Further, as shown in FIG. 2, each of the cross member 2, the gusset 3 a, and the gusset 3 b is formed with a rib stand portion B that extends downward from the bent portion A (downward in the vehicle length direction). .

図示は省略するが、各リブ立て部分Ｂには、所定数の貫通孔が形成されている。図２に示すようにクロスメンバ２にガセット３ａ、３ｂが取り付けられた状態で、ボルト４が、各貫通孔と、各貫通孔に対応してサイドフレーム１ａ、１ｂに形成された孔部（図示略）とに挿入されて締結される。これにより、図１に示すように、クロスメンバ２の両端（リブ立て部分Ｂ）がサイドフレーム１ａ、１ｂのそれぞれに固定される。   Although not shown, each rib stand portion B is formed with a predetermined number of through holes. As shown in FIG. 2, with the gussets 3a and 3b attached to the cross member 2, the bolts 4 are formed in the through holes and the holes formed in the side frames 1a and 1b corresponding to the through holes (illustrated). And is fastened. Thereby, as shown in FIG. 1, the both ends (rib stand part B) of the cross member 2 are fixed to each of the side frames 1a and 1b.

また、図１に示すように、車体構造１００は、ガセット３ａ、３ｂの下方に、それらとは別体であり、クロスメンバ２を補強するロアガセット５ａ、５ｂを備えてもよい。   Further, as shown in FIG. 1, the vehicle body structure 100 may include lower gussets 5 a and 5 b that are separate from the gussets 3 a and 3 b and that reinforce the cross member 2.

図１に示すように、ロアガセット５ａ、５ｂの一端は、ボルト４によりサイドフレーム１ａに固定される。また、図示は省略するが、ロアガセット５ａ、５ｂの他端は、クロスメンバ２（または、ガセット３ａ、３ｂでもよい）に固定される。   As shown in FIG. 1, one end of the lower gussets 5 a and 5 b is fixed to the side frame 1 a by bolts 4. Moreover, although illustration is abbreviate | omitted, the other end of lower gusset 5a, 5b is fixed to cross member 2 (or gusset 3a, 3b may be sufficient).

以上、車体構造１００の構成例について説明した。   The configuration example of the vehicle body structure 100 has been described above.

次に、上述したクロスメンバ２およびガセット３ａ、３ｂについて、図３、図４を用いて、さらに詳しく説明する。図３は、ガセット３ａ、３ｂが取り付けられる前のクロスメンバ２を下方から見た斜視図である。図４は、ガセット３ａ、３ｂの外観を示す斜視図である。   Next, the cross member 2 and the gussets 3a and 3b described above will be described in more detail with reference to FIGS. FIG. 3 is a perspective view of the cross member 2 viewed from below before the gussets 3a and 3b are attached. FIG. 4 is a perspective view showing the appearance of the gussets 3a and 3b.

図３に示すように、クロスメンバ２は、その両端に、ガセット３ａと接触する面である接触面Ｃ１（第１接触面の一例）と、ガセット３ｂと接触する面である接触面Ｃ２（第１接触面の一例）とを有する。接触面Ｃ１、Ｃ２は、図２に示した曲折部分Ａおよびリブ立て部分Ｂに対応する面を含んでいる。また、接触面Ｃ１、Ｃ２の面積および形状は、それぞれ、後述する接触面Ｄ１、Ｄ２（図４参照）と同じである。   As shown in FIG. 3, the cross member 2 has a contact surface C1 (an example of a first contact surface) that is a surface that contacts the gusset 3a and a contact surface C2 (a first surface that is a surface that contacts the gusset 3b) at both ends. 1 contact surface). The contact surfaces C1 and C2 include surfaces corresponding to the bent portion A and the rib stand portion B shown in FIG. Further, the areas and shapes of the contact surfaces C1 and C2 are the same as contact surfaces D1 and D2 (see FIG. 4) described later, respectively.

図４に示すように、ガセット３ａは、クロスメンバ２（図３に示した接触面Ｃ１）と接触する面である接触面Ｄ１（第２接触面の一例）を有し、ガセット３ｂは、クロスメンバ２（図３に示した接触面Ｃ２）と接触する面である接触面Ｄ２（第２接触面の一例）を有する。接触面Ｄ１、Ｄ２は、図２に示した曲折部分Ａおよびリブ立て部分Ｂに対応する面を含んでいる。また、接触面Ｄ１、Ｄ２の面積および形状は、それぞれ、上述した接触面Ｃ１、Ｃ２（図３参照）と同じである。   As shown in FIG. 4, the gusset 3a has a contact surface D1 (an example of a second contact surface) that is a surface that contacts the cross member 2 (contact surface C1 shown in FIG. 3), and the gusset 3b It has contact surface D2 (an example of a 2nd contact surface) which is a surface which contacts member 2 (contact surface C2 shown in FIG. 3). The contact surfaces D1 and D2 include surfaces corresponding to the bent portion A and the rib stand portion B shown in FIG. Further, the areas and shapes of the contact surfaces D1 and D2 are the same as the contact surfaces C1 and C2 (see FIG. 3) described above, respectively.

上述した接触面Ｃ１、Ｃ２および接触面Ｄ１、Ｄ２には、クロスメンバ２にガセット３ａ、３ｂが取り付けられる前に、所定の塗装（例えば、シャシブラック、吹付塗装など）が施される。   The contact surfaces C1, C2 and the contact surfaces D1, D2 described above are subjected to predetermined coating (for example, chassis black, spray coating, etc.) before the gussets 3a, 3b are attached to the cross member 2.

そして、塗装された接触面Ｃ１と、塗装された接触面Ｄ１とが当接された状態で、クロスメンバ２とガセット３ａとが溶接される。また、塗装された接触面Ｃ２と、塗装された接触面Ｄ２とが当接された状態で、クロスメンバ２とガセット３ｂとが溶接される。   And the cross member 2 and the gusset 3a are welded in the state which the painted contact surface C1 and the painted contact surface D1 contact | abutted. Further, the cross member 2 and the gusset 3b are welded in a state where the painted contact surface C2 and the painted contact surface D2 are in contact with each other.

溶接される部分は、例えば、クロスメンバ２およびガセット３ａ、３ｂの端部（図２に示したリブ立て部分Ｂがある端部とは逆の端部）である。   The parts to be welded are, for example, the ends of the cross member 2 and the gussets 3a and 3b (the ends opposite to the ends where the rib stand portions B shown in FIG. 2 are provided).

クロスメンバ２およびガセット３ａ、３ｂにおいて、接触面Ｃ１、Ｃ２、Ｄ１、Ｄ２以外の面は電着塗装される。   In the cross member 2 and the gussets 3a and 3b, surfaces other than the contact surfaces C1, C2, D1, and D2 are electrodeposited.

以上、クロスメンバ２およびガセット３ａ、３ｂについて詳細に説明した。   The cross member 2 and the gussets 3a and 3b have been described in detail above.

次に、上述した車体構造１００の製造方法について、説明する。   Next, a method for manufacturing the vehicle body structure 100 described above will be described.

まず、クロスメンバ２の接触面Ｃ１、Ｃ２を塗装する。また、ガセット３ａの接触面Ｄ１、および、ガセット３ｂの接触面Ｄ２を塗装する。   First, the contact surfaces C1 and C2 of the cross member 2 are painted. Further, the contact surface D1 of the gusset 3a and the contact surface D2 of the gusset 3b are painted.

次に、塗装された接触面Ｃ１と、塗装された接触面Ｄ１とを当接させ、その状態でクロスメンバ２とガセット３ａとを溶接する。また、塗装された接触面Ｃ２と、塗装された接触面Ｄ２とを当接させ、その状態でクロスメンバ２とガセット３ｂとを溶接する。   Next, the painted contact surface C1 and the painted contact surface D1 are brought into contact with each other, and the cross member 2 and the gusset 3a are welded in this state. Further, the painted contact surface C2 and the painted contact surface D2 are brought into contact with each other, and the cross member 2 and the gusset 3b are welded in this state.

次に、クロスメンバ２における接触面Ｃ１、Ｃ２以外の面、ガセット３ａにおける接触面Ｄ１以外の面、および、ガセット３ｂにおける接触面Ｄ２以外の面を電着塗装する。   Next, surfaces other than the contact surfaces C1 and C2 in the cross member 2, surfaces other than the contact surface D1 in the gusset 3a, and surfaces other than the contact surface D2 in the gusset 3b are electrodeposited.

次に、ボルト４を、クロスメンバ２およびガセット３ａ、３ｂに形成された各貫通孔と、各貫通孔に対応してサイドフレーム１ａ、１ｂに形成された孔部（図示略）とに挿入し、締結する。   Next, the bolts 4 are inserted into the through holes formed in the cross member 2 and the gussets 3a and 3b and the holes (not shown) formed in the side frames 1a and 1b corresponding to the through holes. To conclude.

このようにして、図１に示すように、クロスメンバ２の両端（リブ立て部分Ｂ）がサイドフレーム１ａ、１ｂのそれぞれに固定され、車体構造１００が製造される。   In this way, as shown in FIG. 1, both ends (rib stand portions B) of the cross member 2 are fixed to the side frames 1a and 1b, and the vehicle body structure 100 is manufactured.

以上説明したように、本実施の形態によれば、クロスメンバ２とガセット３ａ、３ｂとの接触面を塗装した後で、クロスメンバ２とガセット３ａ、３ｂとを溶接するので、車体構造１００の製造工程において溶接時の熱によるクロスメンバ２の塗装の消失を防止でき、かつ、クロスメンバ２とガセット３ａ、３ｂとの間において錆の発生を抑制できる。   As described above, according to the present embodiment, after the contact surface between the cross member 2 and the gussets 3a and 3b is painted, the cross member 2 and the gussets 3a and 3b are welded. In the manufacturing process, the disappearance of the coating of the cross member 2 due to heat during welding can be prevented, and the occurrence of rust between the cross member 2 and the gussets 3a and 3b can be suppressed.

本発明の実施の形態について詳述してきたが、本発明は、上述の実施の形態に限定されるものではなく、本発明の趣旨を逸脱しない範囲で、適宜変形して実施することが可能である。   Although the embodiments of the present invention have been described in detail, the present invention is not limited to the above-described embodiments, and can be appropriately modified and implemented without departing from the spirit of the present invention. is there.

例えば、上記実施の形態では、クロスメンバ２を補強する補強部材が、クロスメンバ２の下方に設けられるガセット３ａ、３ｂである場合を例に挙げて説明したが、これに限定されない。クロスメンバ２を補強する補強部材は、所定の面でクロスメンバ２と当接する部材であればよく、その種類、形状、および設置位置等は限定されない。   For example, in the above-described embodiment, the case where the reinforcing member that reinforces the cross member 2 is the gussets 3a and 3b provided below the cross member 2 has been described as an example. However, the present invention is not limited to this. The reinforcing member that reinforces the cross member 2 may be a member that abuts the cross member 2 on a predetermined surface, and the type, shape, installation position, and the like are not limited.

＜本開示のまとめ＞
本発明の車体構造は、２つのサイドフレームの間に設けられたクロスメンバと、前記クロスメンバを補強する第１補強部材と、を備え、前記クロスメンバは前記第１補強部材と接触する第１接触面を有し、前記第１補強部材は前記クロスメンバと接触する第２接触面を有する車体構造であって、塗装が施された前記第１接触面と、塗装が施された前記第２接触面とが当接された状態で、前記クロスメンバと前記第１補強部材とが溶接されている。 <Summary of this disclosure>
The vehicle body structure of the present invention includes a cross member provided between two side frames, and a first reinforcing member that reinforces the cross member, and the cross member is in contact with the first reinforcing member. The vehicle body structure has a contact surface, and the first reinforcing member has a second contact surface that contacts the cross member, and the painted first contact surface and the painted second material. The cross member and the first reinforcing member are welded with the contact surface being in contact therewith.

なお、上記車体構造において、前記クロスメンバにおける前記第１接触面以外の面と、前記第１補強部材における前記第２接触面以外の面とが電着塗装されていてもよい。   In the vehicle body structure, a surface other than the first contact surface of the cross member and a surface other than the second contact surface of the first reinforcing member may be electrodeposited.

また、上記車体構造において、前記クロスメンバおよび前記第１補強部材には、それぞれ、曲折部分およびリブ立て部分が形成され、前記第１接触面および前記第２接触面は、前記曲折部分および前記リブ立て部分に対応する面を含んでもよい。   Further, in the vehicle body structure, the cross member and the first reinforcing member are each formed with a bent portion and a rib stand portion, and the first contact surface and the second contact surface are the bent portion and the rib. A surface corresponding to the standing portion may be included.

また、上記車体構造において、前記第１補強部材は、前記クロスメンバの下方に設けられてもよい。   In the vehicle body structure, the first reinforcing member may be provided below the cross member.

また、上記車体構造において、前記第１補強部材の下方に、前記第１補強部材とは別体であり、前記クロスメンバを補強する第２補強部材をさらに備えてもよい。   The vehicle body structure may further include a second reinforcing member that is separate from the first reinforcing member and that reinforces the cross member below the first reinforcing member.

本発明の車体構造の製造方法は、２つのサイドフレームの間に設けられたクロスメンバと、前記クロスメンバを補強する第１補強部材と、を備え、前記クロスメンバは前記第１補強部材と接触する第１接触面を有し、前記第１補強部材は前記クロスメンバと接触する第２接触面を有する車体構造の製造方法であって、前記第１接触面と、前記第２接触面とをそれぞれ塗装し、塗装が施された前記第１接触面と、塗装が施された前記第２接触面とを当接させた状態で、前記クロスメンバと前記第１補強部材とを溶接する。   A method for manufacturing a vehicle body structure according to the present invention includes a cross member provided between two side frames, and a first reinforcing member that reinforces the cross member, and the cross member contacts the first reinforcing member. A vehicle body structure manufacturing method, wherein the first reinforcing member has a second contact surface that contacts the cross member, wherein the first contact surface and the second contact surface are The cross member and the first reinforcing member are welded in a state where the first contact surface that has been painted and the second contact surface that has been painted are in contact with each other.

なお、上記車体構造の製造方法において、前記クロスメンバと前記第１補強部材とが溶接された後、前記クロスメンバにおける前記第１接触面以外の面と、前記第１補強部材における前記第２接触面以外の面とを電着塗装してもよい。   In the vehicle body structure manufacturing method, after the cross member and the first reinforcing member are welded, a surface other than the first contact surface of the cross member and the second contact of the first reinforcing member. A surface other than the surface may be electrodeposited.

本発明は、車両に搭載される車体構造およびその製造方法に適用できる。   The present invention can be applied to a vehicle body structure mounted on a vehicle and a manufacturing method thereof.

１ａ、１ｂ サイドフレーム
２ クロスメンバ
３ａ、３ｂ ガセット（第１補強部材の一例）
４ ボルト
５ａ、５ｂ ロアガセット（第２補強部材の一例）
１００ 車体構造 1a, 1b Side frame 2 Cross member 3a, 3b Gusset (an example of a first reinforcing member)
4 bolts 5a, 5b lower gusset (an example of a second reinforcing member)
100 body structure

Claims (7)

２つのサイドフレームの間に設けられたクロスメンバと、前記クロスメンバを補強する第１補強部材と、を備え、前記クロスメンバは前記第１補強部材と接触する第１接触面を有し、前記第１補強部材は前記クロスメンバと接触する第２接触面を有する車体構造であって、
塗装が施された前記第１接触面と、塗装が施された前記第２接触面とが当接された状態で、前記クロスメンバと前記第１補強部材とが溶接されている、
車体構造。 A cross member provided between two side frames, and a first reinforcing member that reinforces the cross member, the cross member having a first contact surface that contacts the first reinforcing member, The first reinforcing member is a vehicle body structure having a second contact surface that contacts the cross member,
The cross member and the first reinforcing member are welded in a state in which the first contact surface that has been painted and the second contact surface that has been painted are in contact with each other.
Body structure. 前記クロスメンバにおける前記第１接触面以外の面と、前記第１補強部材における前記第２接触面以外の面とが電着塗装されている、
請求項１に記載の車体構造。 Surfaces other than the first contact surface in the cross member and surfaces other than the second contact surface in the first reinforcing member are electrodeposited.
The vehicle body structure according to claim 1. 前記クロスメンバおよび前記第１補強部材には、それぞれ、曲折部分およびリブ立て部分が形成され、
前記第１接触面および前記第２接触面は、前記曲折部分および前記リブ立て部分に対応する面を含む、
請求項１または２に記載の車体構造。 The cross member and the first reinforcing member are respectively formed with a bent portion and a rib stand portion,
The first contact surface and the second contact surface include surfaces corresponding to the bent portion and the ribbed portion,
The vehicle body structure according to claim 1 or 2. 前記第１補強部材は、前記クロスメンバの下方に設けられる、
請求項１から３のいずれか１項に記載の車体構造。 The first reinforcing member is provided below the cross member;
The vehicle body structure according to any one of claims 1 to 3. 前記第１補強部材の下方に、前記第１補強部材とは別体であり、前記クロスメンバを補強する第２補強部材をさらに備える、
請求項１から４のいずれか１項に記載の車体構造。 Below the first reinforcing member, the second reinforcing member is provided separately from the first reinforcing member and reinforces the cross member.
The vehicle body structure according to any one of claims 1 to 4. ２つのサイドフレームの間に設けられたクロスメンバと、前記クロスメンバを補強する第１補強部材と、を備え、前記クロスメンバは前記第１補強部材と接触する第１接触面を有し、前記第１補強部材は前記クロスメンバと接触する第２接触面を有する車体構造の製造方法であって、
前記第１接触面と、前記第２接触面とをそれぞれ塗装し、
塗装が施された前記第１接触面と、塗装が施された前記第２接触面とを当接させた状態で、前記クロスメンバと前記第１補強部材とを溶接する、
車体構造の製造方法。 A cross member provided between two side frames, and a first reinforcing member that reinforces the cross member, the cross member having a first contact surface that contacts the first reinforcing member, The first reinforcing member is a method of manufacturing a vehicle body structure having a second contact surface that contacts the cross member,
Coating each of the first contact surface and the second contact surface;
Welding the cross member and the first reinforcing member in a state where the painted first contact surface and the painted second contact surface are in contact with each other;
A method for manufacturing a vehicle body structure. 前記クロスメンバと前記第１補強部材とが溶接された後、前記クロスメンバにおける前記第１接触面以外の面と、前記第１補強部材における前記第２接触面以外の面とを電着塗装する、
請求項６記載の車体構造の製造方法。 After the cross member and the first reinforcing member are welded, the surface of the cross member other than the first contact surface and the surface of the first reinforcing member other than the second contact surface are electrodeposited. ,
The method for manufacturing a vehicle body structure according to claim 6.
JP2017028922A 2017-02-20 2017-02-20 Vehicle body structure and manufacturing method thereof Pending JP2018134898A (en)

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