JP2013001171A - Vehicle body side section structure - Google Patents

Vehicle body side section structure Download PDF

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Publication number
JP2013001171A
JP2013001171A JP2011131820A JP2011131820A JP2013001171A JP 2013001171 A JP2013001171 A JP 2013001171A JP 2011131820 A JP2011131820 A JP 2011131820A JP 2011131820 A JP2011131820 A JP 2011131820A JP 2013001171 A JP2013001171 A JP 2013001171A
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Prior art keywords
closed cross
center pillar
side sill
section
component
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JP2011131820A
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JP5246300B2 (en
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Takeshi Shiozaki
毅 塩崎
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JFE Steel Corp
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JFE Steel Corp
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Priority to JP2011131820A priority Critical patent/JP5246300B2/en
Priority to PCT/JP2012/065672 priority patent/WO2012173278A1/en
Priority to KR1020137033154A priority patent/KR101471947B1/en
Priority to CN201280029149.1A priority patent/CN103608246B/en
Priority to TW101121247A priority patent/TWI466793B/en
Publication of JP2013001171A publication Critical patent/JP2013001171A/en
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Publication of JP5246300B2 publication Critical patent/JP5246300B2/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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/02—Side panels
    • B62D25/025—Side sills thereof
    • 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
    • B62D25/04—Door pillars ; windshield pillars

Abstract

PROBLEM TO BE SOLVED: To provide a vehicle body side section structure that can afford lighter weight while ensuring rigidity and strength, in a vehicle body side structure constituted by a side sill and a center pillar being joined together.SOLUTION: In the vehicle body side section structure 1 formed by the side sill 3 and the center pillar 5 being joined together, the center pillar 5, at the bottom end side thereof, is joined to the side sill 3 so as to cover both outside surfaces of the inner and outer of the side sill 3, the side sill 3 includes: a closed cross section component 9 that has a closed cross section constituted by forming a single blank sheet into a tubular shape and joining two ends together, with a flange portion 7 that has two ends being disposed on the vehicle interior side; and a reinforcing component 13 disposed in a location inside the closed cross section component 9 and at least within the area where the center pillar 5 is joined, and attached so as to connect vertical walls of the closed cross section component 9 opposing to each other.

Description

本発明は、自動車におけるサイドシルとセンターピラーを含む車体側部の構造に関するものである。   The present invention relates to a structure of a vehicle body side portion including a side sill and a center pillar in an automobile.

自動車の車体構造に関し、サイドシルとセンターピラーを含む車体側部の構造について、例えば特許文献１には、センターピラー付近での衝突に対してより十分に対応できることを目的とした「自動車の下部車体構造」が開示されている。
特許文献１に開示された車体側部構造を構成するサイドシルは、フランジ部を有する開放断面部品からなるサイドシルインナーと、同じくフランジ部を有する開放断面部品からなるサイドシルアウターの二つの部品のフランジ部を合わせて接合することで閉断面を形成していた。 Regarding the vehicle body structure, the structure of the side part of the vehicle body including the side sill and the center pillar is disclosed, for example, in Patent Document 1 as “the lower vehicle body structure of an automobile” for the purpose of sufficiently responding to a collision near the center pillar. Is disclosed.
The side sill constituting the vehicle body side part structure disclosed in Patent Document 1 includes a flange part of two parts, a side sill inner made of an open cross-sectional part having a flange part and a side sill outer made of an open cross-sectional part also having a flange part. The closed cross section was formed by joining together.

また、センターピラーは開放断面部品のピラーインナーと、同じく開放断面部品のピラーアウターからなり、ピラーアウターはサイドシルアウターと接合され、ピラーインナーはピラーアウターと接合されるとともにサイドシルインナーとサイドシルアウターに挟まれるように接合されて、サイドシルとセンターピラーを含む車体側部構造が形成されている。   The center pillar is composed of a pillar inner of an open cross-section part and a pillar outer of the same open cross-section part. Thus, a vehicle body side structure including a side sill and a center pillar is formed.

特開２００９−２０２６２０号公報JP 2009-202620 A

特許文献１に開示されたような従来の車体側部構造においては、サイドシルの長手方向に亘ってサイドシルアウターとサイドシルインナーの両方のフランジ部が必ず存在する。
しかしながら、サイドシルに要求される剛性や強度はサイドシルの閉断面部分に支配され、フランジ部は剛性や強度に寄与しない。そのため、フランジ部の存在は、車体の軽量化を追及する観点から不利な要素となっていた。 In the conventional vehicle body side part structure as disclosed in Patent Document 1, both the side sill outer and the side sill inner flange portions necessarily exist along the longitudinal direction of the side sill.
However, the rigidity and strength required for the side sill are governed by the closed cross-section portion of the side sill, and the flange portion does not contribute to the rigidity and strength. Therefore, the presence of the flange portion has been a disadvantageous element from the viewpoint of pursuing weight reduction of the vehicle body.

本発明は、前記のような事情に鑑みてなされたものであり、サイドシルとセンターピラーが接合されてなる車体側部構造において、剛性や強度を確保しつつ軽量化を図ることができる車体側部構造を提供することを目的とするものである。   The present invention has been made in view of the above circumstances, and in a vehicle body side structure in which a side sill and a center pillar are joined, a vehicle body side portion that can achieve weight reduction while ensuring rigidity and strength. The purpose is to provide a structure.

（１）本発明に係る車体側部構造は、サイドシルとセンターピラーが接合されてなる車体側部構造であって、
前記センターピラーは、その下端側が前記サイドシルのインナー及びアウターの両外面を覆うようにサイドシルに接合されてなり、前記サイドシルは、一枚のブランク板を筒状に成形して両端部を接合することにより閉断面を構成すると共に前記両端部からなるフランジ部が車内側に配置される閉断面部品と、該閉断面部品の内部であって、少なくとも前記センターピラーが接合されている領域に配置され、前記閉断面部品の向かい合った縦壁をつなぐように取り付けられている補強部品を備えてなることを特徴とするものである。 (1) The vehicle body side structure according to the present invention is a vehicle body side structure in which a side sill and a center pillar are joined,
The center pillar is joined to a side sill so that the lower end side covers both outer and outer surfaces of the side sill, and the side sill is formed by forming a blank plate into a cylindrical shape and joining both ends. The closed cross-section part that constitutes the closed cross-section and the flange portion composed of the both end portions is arranged on the vehicle inner side, and is disposed inside the closed cross-section part, at least in the region where the center pillar is joined, The reinforcing part is provided so as to connect the vertical walls facing each other of the closed cross-section parts.

（２）また、上記（１）に記載のものにおいて、前記閉断面部品における前記車内側のフランジ部とフロアパネルが接合されていることを特徴とするものである。 (2) Moreover, the thing as described in said (1) WHEREIN: The said inside flange part and floor panel in the said closed cross-section components are joined, It is characterized by the above-mentioned.

（３）また、上記（１）又は（２）に記載のものにおいて、前記閉断面部品に対する前記センターピラーの接合位置と、前記閉断面部品に対する前記補強部品の接合位置とが重なっていることを特徴とするものである。 (3) Further, in the above-described (1) or (2), the joining position of the center pillar with respect to the closed cross-section component and the joining position of the reinforcing component with respect to the closed cross-section component overlap. It is a feature.

本発明においては、サイドシルとセンターピラーが接合されてなる車体側部構造において、前記センターピラーは、その下端側が前記サイドシルのインナー及びアウターの両外面を覆うようにサイドシルに接合されてなり、前記サイドシルは、一枚のブランク板を筒状に成形して両端部を接合することにより閉断面を構成すると共に前記両端部からなるフランジ部が車内側に配置される閉断面部品と、該閉断面部品の内部であって、少なくとも前記センターピラーが接合されている領域に配置され、前記閉断面部品の向かい合った縦壁をつなぐように取り付けられている補強部品を備えてなる構成を採用したことにより、剛性や強度を確保しつつ軽量化を実現している。   In the present invention, in the vehicle body side structure in which the side sill and the center pillar are joined, the center pillar is joined to the side sill so that the lower end side covers both outer and inner outer surfaces of the side sill. Is a closed cross-section component in which a blank plate is formed into a cylindrical shape and a closed cross-section is formed by joining both end portions, and a flange portion composed of the both end portions is disposed on the inside of the vehicle, and the closed cross-section component By adopting a configuration comprising a reinforcing part that is disposed at least in the region where the center pillar is joined and is attached so as to connect the opposing vertical walls of the closed cross-section part, It achieves weight reduction while ensuring rigidity and strength.

本発明の一実施の形態に係る車体側部構造の斜視図であり、アウターパネルを取り外した状態で車内側から見た状態を示している。It is a perspective view of the vehicle body side part structure concerning one embodiment of the present invention, and has shown the state seen from the car inside in the state where the outer panel was removed. 図１の矢視Ａ−Ａ断面図である。It is arrow AA sectional drawing of FIG. 本発明に係る車体側部構造の効果を確認するための試験体（本発明例）の説明図である。It is explanatory drawing of the test body (example of this invention) for confirming the effect of the vehicle body side part structure which concerns on this invention. 図３に示した試験体の内部構造の説明図である。It is explanatory drawing of the internal structure of the test body shown in FIG. 本発明に係る車体側部構造の効果を確認するための試験体（従来例）の説明図である。It is explanatory drawing of the test body (conventional example) for confirming the effect of the vehicle body side part structure which concerns on this invention. 図５に示した試験体の内部構造の説明図である。It is explanatory drawing of the internal structure of the test body shown in FIG. 剛性試験方法の説明図である。It is explanatory drawing of a rigidity test method. 剛性試験結果を示すグラフである。It is a graph which shows a rigidity test result. 強度試験方法の説明図である。It is explanatory drawing of a strength test method. 強度試験結果を示すグラフである。It is a graph which shows an intensity | strength test result.

本実施の形態に係る車体側部構造１を図１、図２に基づいて説明する。
本実施の形態の車体側部構造１は、図１、図２に示すように、サイドシル３とセンターピラー５が接合されてなるものである。
本実施形態におけるサイドシル３は、一枚のブランク板を筒状に成形して両端部を接合することにより閉断面を構成すると共に前記両端部からなるフランジ部７が車内側に配置される閉断面部品９と、その閉断面部品９の内部にあって閉断面部品９の向かい合った縦壁をつなぐようにして取り付けられている補強部品１３とを備えている。
そして、閉断面部品９の車外側にセンターピラーアウター５ａが閉断面部品９の表面を覆うように溶接接合されている。また、閉断面部品９の車内側にはセンターピラーインナー５ｂが閉断面部品９の表面を覆うように溶接接合されている。
また、図２に示すように、上記閉断面部品９における車内側に形成されたフランジ部７とフロアパネル１５が接合されている。なお、図１においてはフロアパネル１５の図示を省略している。 A vehicle body side structure 1 according to the present embodiment will be described with reference to FIGS.
As shown in FIGS. 1 and 2, the vehicle body side part structure 1 of the present embodiment is formed by joining a side sill 3 and a center pillar 5.
The side sill 3 in the present embodiment forms a closed blank by molding a blank plate into a cylindrical shape and joining both ends, and a closed cross-section in which the flange portion 7 composed of the both ends is disposed on the vehicle interior side. A component 9 and a reinforcing component 13 that is attached inside the closed cross-section component 9 so as to connect the opposing vertical walls of the closed cross-section component 9 are provided.
The center pillar outer 5 a is welded to the outside of the closed cross-section component 9 so as to cover the surface of the closed cross-section component 9. A center pillar inner 5 b is welded and joined to the inside of the closed cross-section component 9 so as to cover the surface of the closed cross-section component 9.
As shown in FIG. 2, the flange portion 7 formed on the vehicle inner side of the closed cross-section component 9 and the floor panel 15 are joined. In addition, illustration of the floor panel 15 is abbreviate | omitted in FIG.

本実施の形態における補強部品１３は、図２に示すように、少なくとも閉断面部品９とセンターピラーアウター５ａ及びセンターピラーインナー５ｂが接合される領域内に配置されている。
このように補強部品１３を設けることにより、サイドシル３に外力が与えられたときに、補強部品１３が閉断面部品９の断面変形を防ぎ、高い剛性と強度を得ることができる。
なお、補強部品１３を設けるサイドシル３の軸方向の領域は、上述のように、少なくとも閉断面部品９とセンターピラーアウター５ａ及びセンターピラーインナー５ｂが接合される領域であり、この領域を超えて設けるようにしてもよい。 As shown in FIG. 2, the reinforcing component 13 in the present embodiment is disposed at least in a region where the closed cross-sectional component 9, the center pillar outer 5a, and the center pillar inner 5b are joined.
By providing the reinforcing component 13 in this manner, when an external force is applied to the side sill 3, the reinforcing component 13 can prevent the cross-sectional deformation of the closed cross-sectional component 9, and high rigidity and strength can be obtained.
In addition, the area | region of the axial direction of the side sill 3 which provides the reinforcement component 13 is an area | region where at least the closed cross-section component 9, the center pillar outer 5a, and the center pillar inner 5b are joined, and it provides beyond this area | region. You may do it.

また、本実施の形態においては、サイドシル３を構成する閉断面部品９と補強部品１３の接合位置と、閉断面部品９とセンターピラーアウター５ａ及びセンターピラーインナー５ｂの接合位置とが重なっている。このような接合位置関係にあれば、車外側から他の車が衝突してくる側面衝突の際にセンターピラー５から伝達される力がサイドシル３を構成する閉断面部品９と補強部品１３に分散されるため、より良好な強度を得ることができる。   Moreover, in this Embodiment, the junction position of the closed cross-section component 9 and the reinforcement component 13 which comprise the side sill 3, and the junction position of the closed cross-section component 9, the center pillar outer 5a, and the center pillar inner 5b have overlapped. In such a joint position relationship, the force transmitted from the center pillar 5 in the case of a side collision in which another vehicle collides from the outside of the vehicle is distributed to the closed cross-section component 9 and the reinforcing component 13 constituting the side sill 3. Therefore, better strength can be obtained.

上記のように構成される本実施の形態の車体側部構造１においては、従来例のようにサイドシルにおける上下面の全長に亘って存在した上下面位置のフランジ部が存在しないため、軽量化の効果が高い。
また、サイドシル３を構成する閉断面部材の内部に補強部品１３を設けたことにより、閉断面部品９の断面変形を防ぎ、高い剛性と強度を有している。
つまり、本実施の形態の車体側部構造１においては、従来例において存在した剛性や強度に寄与しないフランジ部をなくし、剛性や強度に寄与する部品によってサイドシルを構成したので、要求される剛性や強度を維持しつつ軽量化が可能になっている。
さらに、本実施の形態では、閉断面部品９に形成したフランジ部７は、何らの機能も有していない従来例のフランジ部とは異なり、フロアパネル１５との接合部として機能している。
なお、フランジ部７の高さ方向の位置は、閉断面部品９の下端である必要はなく、下端よりも高い位置にあってもよい。 In the vehicle body side part structure 1 of the present embodiment configured as described above, there is no flange portion at the upper and lower surface positions that existed over the entire length of the upper and lower surfaces of the side sill as in the conventional example, so that weight reduction is achieved. High effect.
Further, by providing the reinforcing component 13 inside the closed cross-section member constituting the side sill 3, the cross-section deformation of the closed cross-section component 9 is prevented, and high rigidity and strength are provided.
That is, in the vehicle body side structure 1 of the present embodiment, the flange portion that does not contribute to the rigidity and strength existing in the conventional example is eliminated, and the side sill is configured by the parts that contribute to the rigidity and strength. The weight can be reduced while maintaining the strength.
Further, in the present embodiment, the flange portion 7 formed in the closed cross-section component 9 functions as a joint portion with the floor panel 15, unlike the conventional flange portion that does not have any function.
In addition, the position of the height direction of the flange part 7 does not need to be the lower end of the closed cross-section component 9, and may exist in a position higher than a lower end.

上記のような本実施の形態に係る車体側部構造１の性能試験を行ったので、これについて説明する。
図３、図４は本実施の形態に係る車体側部構造１の試験体（発明例試験体２１）の説明図であり、図３が発明例試験体２１を車内側から見た斜視図、図４が発明例試験体２１のセンターピラーインナー５ｂとサイドシル３の車内側の縦壁を外した状態を車内側から見た斜視図である。図３、図４において、発明例試験体２１の各部を示す符号は図１、図２に付したものと同一の符号を付している。
なお、発明例試験体２１における補強部品１３は、図４に示すように、閉断面部品９とセンターピラーアウター５ａ及びセンターピラーインナー５ｂが接合される領域からサイドシル３の軸方向前後に少し超えて配置されている。 Since the performance test of the vehicle body side part structure 1 according to the present embodiment as described above was performed, this will be described.
3 and 4 are explanatory views of a test body (invention example test body 21) of the vehicle body side structure 1 according to the present embodiment, and FIG. 3 is a perspective view of the invention example test body 21 as seen from the vehicle interior side. FIG. 4 is a perspective view of the center pillar inner 5b and the side sill 3 of the inventive example test body 21 as viewed from the vehicle inner side with the vertical walls on the vehicle inner side removed. 3 and 4, the reference numerals indicating the respective parts of the test sample 21 are the same as those shown in FIGS. 1 and 2.
In addition, as shown in FIG. 4, the reinforcing component 13 in the test specimen 21 of the invention slightly exceeds the axial direction of the side sill 3 from the region where the closed cross-section component 9, the center pillar outer 5a, and the center pillar inner 5b are joined. Has been placed.

図５、図６は従来例の試験体（従来例試験体３１）の説明図であり、図５が車内側から見た斜視図、図６がサイドシルインナー３３ｂを外した状態を車内側から見た斜視図である。図５、図６から分かるように、従来例試験体３１は、サイドシル３３が開放断面部品のサイドシルインナー３３ｂと同じく開放断面部品のサイドシルアウター３３ａからなり、これら二つの開放断面部品の上下のフランジ部３５を合わせて接合することで閉断面のサイドシル３３が形成されている。また、センターピラー３６は、開放断面部品のピラーインナー３６ｂと、同じく開放断面部品のピラーアウター３６ａからなり、ピラーアウター３６ａはサイドシルアウター３３ａと接合され、ピラーインナー３６ｂはピラーアウター３６ａと接合されるとともにサイドシルインナー３３ｂとサイドシルアウター３３ａに挟まれるように接合されている。   5 and 6 are explanatory views of a conventional test body (conventional test body 31), in which FIG. 5 is a perspective view seen from the inside of the vehicle, and FIG. 6 is a view from the inside of the vehicle with the side sill inner 33b removed. FIG. As can be seen from FIGS. 5 and 6, in the conventional test body 31, the side sill 33 is composed of a side sill outer 33 a having an open cross-sectional part as well as a side sill inner 33 b having an open cross-sectional part. A side sill 33 having a closed cross section is formed by joining together 35. The center pillar 36 includes a pillar inner 36b having an open sectional part and a pillar outer 36a having an open sectional part. The pillar outer 36a is joined to the side sill outer 33a, and the pillar inner 36b is joined to the pillar outer 36a. It joins so that it may be pinched | interposed into the side sill inner 33b and the side sill outer 33a.

各試験体の寸法は、図３、図５に示す通りである。また、使用した材料は、従来例と本発明例ともに、全部品が板厚１．２ｍｍの鋼板とした。   The dimensions of each test specimen are as shown in FIGS. The material used was a steel plate having a thickness of 1.2 mm for all parts in both the conventional example and the present invention example.

図７は、この実施例における剛性試験方法を、発明例試験体２１を用いて説明する説明図である。剛性試験方法を図７に基づいて説明する。
発明例試験体２１におけるサイドシル３の前後両端面を固定し、センターピラー５の上方端部に、前方向の負荷（Ｆｘ）、内方向の負荷（Ｆｙ）、上方向の負荷（Ｆｚ）をそれぞれかけた。負荷レベルは前方向のときが１ｋＮ、内方向のときが１０ｋＮ、および上方向のときが１ｋＮとした。 FIG. 7 is an explanatory diagram for explaining the stiffness test method in this embodiment using the inventive test specimen 21. The rigidity test method will be described with reference to FIG.
The front and rear end faces of the side sill 3 in the inventive test specimen 21 are fixed, and the forward load (Fx), the inward load (Fy), and the upward load (Fz) are respectively applied to the upper end of the center pillar 5. It was over. The load level was 1 kN for the forward direction, 10 kN for the inward direction, and 1 kN for the upward direction.

図８に、剛性試験による従来例試験体３１と発明例試験体２１の比較結果を示す。
なお、各試験体の剛性は単位重量あたりの剛性を求め、従来例試験体３１の単位重量あたりの剛性を基準にして、発明例試験体２１の剛性比を示している。
図８（ａ）に示すように前方向の負荷をかけたときは、発明例試験体２１は従来例試験体３１に比較して約１．２倍となった。また、図８（ｂ）に示すように、内方向の負荷をかけたときは、発明例試験体２１は従来例試験体３１に比較して約７倍となった。また、図８（ｃ）に示すように、上方向の負荷をかけたときは、発明例試験体２１は従来例試験体３１に比較して約４倍となった。
このように、発明例試験体２１はいずれの負荷方向に対しても従来例試験体３１以上の剛性を備えていることが実証された。 In FIG. 8, the comparison result of the prior art example test body 31 and the invention example test body 21 by a rigidity test is shown.
The rigidity of each test body is obtained as the rigidity per unit weight, and the rigidity ratio of the test body 21 of the invention is shown based on the rigidity per unit weight of the conventional test body 31.
As shown in FIG. 8A, when a forward load was applied, the inventive specimen 21 was about 1.2 times as large as the conventional specimen 31. Further, as shown in FIG. 8 (b), when an inward load was applied, the inventive specimen 21 was about 7 times as large as the conventional specimen 31. Further, as shown in FIG. 8C, when an upward load is applied, the invention example specimen 21 is about four times as large as the conventional example specimen 31.
As described above, it was proved that the inventive example specimen 21 has rigidity higher than that of the conventional example specimen 31 in any load direction.

次に、側面衝突を想定した強度試験を行ったので、これについて説明する。
強度試験は、図９に示すように、車外側から車内側へ向けて先端半径１００ｍｍの打撃パンチ３７を秒速１０ｍで放出し、サイドシル３とセンターピラー５の接合部を打撃した。打撃時の荷重はサイドシル３の両端部とセンターピラー５の上方端部の位置に設置したロードセル３９により測定した。そして、３つのロードセル３９の出力値の合計により試験体の性能を評価した。 Next, since the strength test which assumed the side collision was done, this is demonstrated.
In the strength test, as shown in FIG. 9, a striking punch 37 having a tip radius of 100 mm was discharged at a speed of 10 m per second from the outside of the vehicle to the inside of the vehicle, and the joint between the side sill 3 and the center pillar 5 was struck. The load at the time of impact was measured by a load cell 39 installed at both ends of the side sill 3 and the upper end of the center pillar 5. Then, the performance of the test specimen was evaluated based on the total output value of the three load cells 39.

図１０に、強度試験による従来例試験体３１と発明例試験体２１との比較結果を示す。
発明例試験体２１は、図１０に示すように、従来例試験体３１に比べて約１．３倍の抵抗荷重を示した。 In FIG. 10, the comparison result of the prior art example test body 31 by the strength test and the invention example test body 21 is shown.
As shown in FIG. 10, Invention Example Specimen 21 exhibited a resistance load approximately 1.3 times that of Conventional Example Specimen 31.

以上の試験結果から、本発明は従来例に比べて剛性、強度を維持しつつ軽量化するのに適した車体側部構造であることが実証された。   From the above test results, it was proved that the present invention is a vehicle body side structure suitable for weight reduction while maintaining rigidity and strength as compared with the conventional example.

１ 車体側部構造
３ サイドシル
５ センターピラー
５ａ センターピラーアウター
５ｂ センターピラーインナー
７ フランジ部
９ 閉断面部品
１３ 補強部品
１５ フロアパネル
２１ 発明例試験体
３１ 従来例試験体
３３ サイドシル
３３ａ サイドシルアウター
３３ｂ サイドシルインナー
３５ フランジ部
３６ センターピラー
３６ａ ピラーアウター
３６ｂ ピラーインナー
３７ 打撃パンチ
３９ ロードセル DESCRIPTION OF SYMBOLS 1 Car body side part structure 3 Side sill 5 Center pillar 5a Center pillar outer 5b Center pillar inner 7 Flange part 9 Closed cross-section part 13 Reinforcement part 15 Floor panel 21 Invention example test body 31 Conventional example test body 33 Side sill 33a Side sill outer 33b Side sill inner 35 Flange 36 Center pillar 36a Pillar outer 36b Pillar inner 37 Blow punch 39 Load cell

Claims (3)

サイドシルとセンターピラーが接合されてなる車体側部構造であって、
前記センターピラーは、その下端側が前記サイドシルのインナー及びアウターの両外面を覆うようにサイドシルに接合されてなり、
前記サイドシルは、一枚のブランク板を筒状に成形して両端部を接合することにより閉断面を構成すると共に前記両端部からなるフランジ部が車内側に配置される閉断面部品と、該閉断面部品の内部であって、少なくとも前記センターピラーが接合されている領域に配置され、前記閉断面部品の向かい合った縦壁をつなぐように取り付けられている補強部品を備えてなることを特徴とする車体側部構造。 A vehicle body side structure in which a side sill and a center pillar are joined,
The center pillar is joined to the side sill so that the lower end side covers both outer surfaces of the inner and outer side of the side sill,
The side sill comprises a closed cross-section component in which a blank plate is formed in a cylindrical shape and a closed cross section is formed by joining both end portions, and a flange portion including the both end portions is disposed inside the vehicle, and the closed sill. It is provided inside the cross-sectional component, and is provided with a reinforcing component that is disposed at least in a region where the center pillar is joined, and is attached so as to connect the opposing vertical walls of the closed cross-sectional component. Car body side structure. 前記閉断面部品における前記車内側のフランジ部とフロアパネルが接合されていることを特徴とする請求項１に記載の車体側部構造。   The vehicle body side part structure according to claim 1, wherein a flange portion and a floor panel inside the vehicle in the closed cross-section component are joined. 前記閉断面部品に対する前記センターピラーの接合位置と、前記閉断面部品に対する前記補強部品の接合位置とが重なっていることを特徴とする請求項１または２に記載の車体側部構造。   The vehicle body side structure according to claim 1 or 2, wherein a joint position of the center pillar with respect to the closed cross-section component and a joint position of the reinforcing component with respect to the closed cross-section component overlap.
JP2011131820A 2011-06-14 2011-06-14 Body side structure Expired - Fee Related JP5246300B2 (en)

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KR1020137033154A KR101471947B1 (en) 2011-06-14 2012-06-13 Automotive body side structure
CN201280029149.1A CN103608246B (en) 2011-06-14 2012-06-13 vehicular side body structure
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