WO2016076012A1 - Reinforcement structure for seat belt attachment part of vehicle - Google Patents

Reinforcement structure for seat belt attachment part of vehicle Download PDF

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Publication number
WO2016076012A1
WO2016076012A1 PCT/JP2015/076489 JP2015076489W WO2016076012A1 WO 2016076012 A1 WO2016076012 A1 WO 2016076012A1 JP 2015076489 W JP2015076489 W JP 2015076489W WO 2016076012 A1 WO2016076012 A1 WO 2016076012A1
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Prior art keywords
inner panel
seat belt
vehicle
quarter
rear pillar
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PCT/JP2015/076489
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French (fr)
Japanese (ja)
Inventor
聡志 松永
伊佐博 今村
Original Assignee
三菱自動車工業株式会社
三菱自動車エンジニアリング株式会社
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Application filed by 三菱自動車工業株式会社, 三菱自動車エンジニアリング株式会社 filed Critical 三菱自動車工業株式会社
Priority to CN201580052274.8A priority Critical patent/CN107074192A/en
Priority to BR112017006122A priority patent/BR112017006122A2/en
Publication of WO2016076012A1 publication Critical patent/WO2016076012A1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/18—Anchoring devices
    • B60R22/24—Anchoring devices secured to the side, door, or roof of the vehicle
    • 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
    • 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
    • B62D25/08—Front or rear portions

Definitions

  • the present invention relates to a reinforcing structure of a seat belt attachment portion of a vehicle.
  • FIGS. 7 to 9 of Patent Document 1 show a structure for attaching a seat belt anchor for holding a seat belt for a rear seat of a vehicle to a rear pillar inner panel.
  • the load input to the seat belt at the time of a vehicle collision is received only by the rear pillar inner panel.
  • Patent No. 3711822 gazette
  • the rear pillar inner panel In the above-mentioned prior art, it is necessary to increase the thickness of the rear pillar inner panel in order to secure the strength of the rear pillar inner panel for receiving the load, and there is room for improvement in reducing the weight of the vehicle body.
  • some vehicles are provided with a quarter window glass provided behind the rear door and in front of the rear pillar inner panel, and the quarter window glass is arranged in front of the rear pillar inner panel. It is held by the inner panel.
  • the present invention has been made focusing on the quarter inner panel, and it is preferable to attach a seat belt of a vehicle that is advantageous in achieving weight reduction of a vehicle body while securing sufficient strength against a load input from a seat belt.
  • the purpose is to provide a reinforcement structure for parts.
  • a seat belt attaching portion of a vehicle including a seat belt anchor provided at an upper portion of a rear pillar inner panel, and a quarter inner panel located in front of the rear pillar inner panel.
  • a reinforcing structure wherein a rear portion of the quarter inner panel is joined to the rear pillar inner panel, and the uneven shape extends along a direction in which a load is applied to the seat belt anchor from the seat belt anchor to the quarter inner panel.
  • the tensile load input via the seat belt and seat belt anchor can be dispersedly received by the bead portions of the rear pillar inner panel and the quarter inner panel. Therefore, the plate thickness of the rear pillar inner panel can be reduced, the weight of the rear pillar inner panel can be reduced, and the weight of the quarter inner panel increasing by the provision of the bead portion can be minimized. Therefore, it is advantageous in achieving weight reduction of the vehicle body while securing sufficient strength against the load input from the seat belt.
  • FIG. 3 is a cross-sectional view taken along line AA of FIG. (A) is BB sectional drawing of FIG. 2, (B) is sectional drawing in case a bead part is not provided in a quarter inner panel.
  • FIG. 1 shows a view from the cabin side where the rear pillar inner panel 12 and the quarter inner panel 14 are attached to the outer panel 10, and the vehicle is in front of the rear pillar inner panel 12 behind the rear door.
  • the quarter window glass 16 is provided on the FIG. 1 illustrates a rear door opening 18 corresponding to the rear door, and a quarter window glass opening 20 in which the quarter window glass 16 is disposed.
  • the quarter window glass opening 20 is an outer panel as shown in FIG. It is configured to include ten openings 1002 and an opening 1402 of the quarter inner panel 14.
  • the outer panel 10 is made of metal and forms an outer surface in the vehicle width direction of the vehicle, and the inner surface of the outer panel 10 in the vehicle width direction is omitted in FIG.
  • various inner panels such as a center pillar inner panel and a side roof rail inner panel are joined.
  • the rear pillar inner panel 12 constitutes a rear pillar 22 together with corresponding parts of the outer panel 10.
  • a pillar reinforcement 24 which is a reinforcing member is joined to the rear pillar inner panel 12 so as to cover the outer side in the vehicle width direction.
  • the pillar reinforcement 24 is formed to have a dimension longer than the entire length of the rear pillar inner panel 12, and therefore, the pillar reinforcement 24 is joined along the entire length of the rear pillar inner panel 12.
  • a belt reinforcement 26, which is another reinforcing member whose outer shape is smaller than the pillar reinforcement 24, is joined to the outside in the vehicle width direction at the upper portion of the rear pillar inner panel 12 inside the pillar reinforcement 24 in the vehicle width direction.
  • a seat belt anchor 28 and an emergency locking retractor 29 for supporting a seat belt 2803 for the rear seat of the vehicle are attached to the rear pillar inner panel 12.
  • the seat belt anchor 28 is a member for supporting a shoulder belt that restrains the upper body of the occupant in the seat belt 2803 for the rear seat.
  • the retractor 29 allows the extension of the seat belt 2803 when attaching the seat belt 2803 to the occupant's body, and switches to the locked state when acceleration exceeding a predetermined value occurs in the vehicle, and the extension of the seat belt 2803 It is something to block.
  • the seat belt anchor 28 is attached to the rear pillar inner panel 12 where the rear of the lower horizontal portion 14D of the quarter inner panel 14 described later is joined. As shown in FIG.
  • bolt insertion holes 1202 and 2602 are respectively coaxially formed through the rear pillar inner panel 12 and the belt reinforcement 26, and bolt insertion holes 1202 are formed on the outer side in the vehicle width direction of the belt reinforcement 26.
  • a nut 2604 are welded on the same axis as 2602. Therefore, the seat belt anchor 28 is attached to the rear pillar inner panel 12 by screwing the bolt 2801 inserted through the attachment hole 2802 of the seat belt anchor 28 into the nut 2604 via the bolt insertion holes 1202 and 2602.
  • the quarter inner panel 14 is disposed between the rear door opening 18 and the rear pillar inner panel 12, and the rear of the quarter inner panel 14 is integrally joined to the rear pillar inner panel 12. The remaining portion is joined to the outer panel 10.
  • An opening 1402 provided in the quarter inner panel 14 is for fitting the quarter window glass 16.
  • the quarter inner panel 14 forms an inner panel portion around the quarter window glass 16, and as shown in FIGS. 2 and 3, the front vertical portion 14A, the rear vertical portion 14B, and the upper horizontal portion 14C , Lower horizontal portion 14D, and is formed in a frame shape.
  • the upper horizontal portion 14 ⁇ / b> C extends in the front-rear direction of the vehicle along the upper edge of the quarter window glass 16 fitted in the opening 1402.
  • the lower horizontal portion 14D extends longitudinally along the lower edge of the quarter window glass 16. Specifically, the upper portion of the lower horizontal portion 14D extends forward from the rear pillar 22 along the lower edge of the quarter window glass 16. It extends in the back and forth direction with a slope which is displaced downward as it leaves.
  • the front vertical portion 14A extends vertically between the rear door opening 18 and the front portion of the quarter window glass 16 and connects the front portion of the upper horizontal portion 14C and the front portion of the lower horizontal portion 14D.
  • the rear vertical portion 14B extends vertically between the rear of the quarter window glass 16 and the rear pillar inner panel 12, and connects the rear of the upper horizontal portion 14C and the rear of the lower horizontal portion 14D.
  • the quarter inner panel 14 is provided with a bead portion 30 having a concavo-convex shape in the vehicle width direction extending along the direction in which a load is applied from the seat belt 2803 to the seat belt anchor 28.
  • the bead portion 30 is provided in the lower horizontal portion 14D, and extends from the location near the rear end of the lower horizontal portion 14D along the lower end of the opening 1402 to the front of the vehicle. That is, the distance between the rear end of the bead portion 30 and the seat belt anchor 28 is set short, which is more advantageous in that the bead portion 30 receives the load of the seat belt 2803 input to the seat belt anchor 28 at the time of vehicle collision described later. It has become.
  • the quarter window glass 16 has an oblong shape in the longitudinal direction of the vehicle, and the front end of the bead portion 30 is located at a position forward of the vehicle than the middle portion in the lengthwise direction of the quarter window glass 16. That is, the bead portion 30 is secured with a large length, which is more advantageous for the bead portion 30 to receive the load of the seat belt 2803 input to the seat belt anchor 28 at the time of a vehicle collision described later. Further, when the outline of the bead portion 30 is extended to the rear of the vehicle along the extending direction of the bead portion 30, a part of the outline of the seat belt anchor 28 is located in the range 30A of the extended outline. That is, by making the positional relationship of the bead portion 30 with respect to the seat belt anchor 28 in this way, it is more advantageous to receive the load of the seat belt 2803 input to the seat belt anchor 28 at the time of a vehicle collision described later It has become.
  • disconnected the bead part 30 in the plane orthogonal to the extension direction is convex shape on the vehicle width direction outer side. Therefore, in the inside of the bead portion 30, an open recess 3002 is formed extending in the vehicle width direction along the extending direction of the bead portion 30.
  • a harness 34 for electrical parts such as a room lamp and a brake lamp provided in the tailgate is disposed.
  • a tensile load is input to and received by the rear pillar inner panel 12 via the seat belt 2803 and the seat belt anchor 28, and the rear pillar inner panel 12 and the rear of the quarter inner panel 14 are joined.
  • the load is input to the quarter inner panel 14 from the rear pillar inner panel 12.
  • the quarter inner panel 14 is provided with the bead portion 30 extending along the direction in which the load is applied to the seat belt anchor 28 from the seat belt 2803, the load is also received by the bead portion 30. That is, the load can be dispersedly received by the bead portion 30 of the quarter inner panel 14 by being added to the rear pillar inner panel 12 and the pillar reinforcement 24.
  • the plate thickness of the rear pillar inner panel 12 and the pillar reinforcement 24 can be reduced as compared with the conventional case, and the weight of the rear pillar inner panel 12 and the pillar reinforcement 24 can be reduced.
  • the bead portion 30 extends along the direction in which the load is applied and can receive a large load with a small cross section, providing the bead portion 30 minimizes the weight of the quarter inner panel 14 which increases. Can be Therefore, it is advantageous in achieving weight reduction of the vehicle body while securing sufficient strength against the load input from the seat belt 2803.
  • an elongated space S extending in the front-rear direction of the vehicle is secured between the trim 32 and the bead portion 30. Since the harness 34 for parts can be disposed, as shown in FIG. 6 (B), the trim 32 may be shifted outward in the vehicle width direction by the depth D of the recess 3002 as compared with the case where the bead portion 30 is not formed. it can. Therefore, it is advantageous in securing a large space in the vehicle compartment in the vehicle width direction.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Body Structure For Vehicles (AREA)
  • Automotive Seat Belt Assembly (AREA)

Abstract

The purpose of the invention is to ensure sufficient strength with respect to the load from a seat belt 2803, and strive to keep the vehicle body light in weight. A rear pillar inner panel 12, along with a corresponding portion of an outer panel 10, constitutes a rear pillar 22. A seat belt anchor 28 for supporting the seat belt 2803, which is used in the rear seat of the vehicle, is attached to the rear pillar inner panel 12. A quarter inner panel 14 is disposed between a rear door opening part 18 and the rear pillar inner panel 12, and the rear part of the quarter inner panel 14 is integrally joined to the rear pillar inner panel 12, with the remaining sites of the quarter inner panel 14 being joined to the outer panel 10. An irregularly shaped bead part 30 extending along the direction in which load is applied from the seat belt 2803 to the seat belt anchor 28 is provided to a lower lateral part 14D of the quarter inner panel 14.

Description

車両のシートベルト取り付け部の補強構造Reinforcement structure of seat belt attachment part of vehicle
　本発明は車両のシートベルト取り付け部の補強構造に関する。 The present invention relates to a reinforcing structure of a seat belt attachment portion of a vehicle.
　特許文献１の図７から図９には、車両の後部座席用のシートベルトを保持するシートベルトアンカを後部ピラーインナパネルに取り付ける構造が示されている。
　このような構造では、車両衝突時にシートベルトに入力される荷重を後部ピラーインナパネルのみで受け止めることになる。 FIGS. 7 to 9 of Patent Document 1 show a structure for attaching a seat belt anchor for holding a seat belt for a rear seat of a vehicle to a rear pillar inner panel.
In such a structure, the load input to the seat belt at the time of a vehicle collision is received only by the rear pillar inner panel.
特許第３７１１８２２号公報Patent No. 3711822 gazette
　上記従来技術では、荷重を受け止める後部ピラーインナパネルの強度を確保するために後部ピラーインナパネルの板厚を厚くする必要があり、車体の軽量化を図る上で改善の余地がある。
　一方、車両の中には、リヤドアの後方で後部ピラーインナパネルの前方にクォータウインドガラスが設けられているものが提供されており、クォータウインドガラスは、後部ピラーインナパネルの前方に配置されたクォータインナパネルで保持されている。
　本発明は、このクォータインナパネルに着目してなされたものであり、シートベルトから入力される荷重に対して十分な強度を確保しつつ車体の軽量化を図る上で有利な車両のシートベルト取り付け部の補強構造を提供することを目的とする。 In the above-mentioned prior art, it is necessary to increase the thickness of the rear pillar inner panel in order to secure the strength of the rear pillar inner panel for receiving the load, and there is room for improvement in reducing the weight of the vehicle body.
On the other hand, some vehicles are provided with a quarter window glass provided behind the rear door and in front of the rear pillar inner panel, and the quarter window glass is arranged in front of the rear pillar inner panel. It is held by the inner panel.
The present invention has been made focusing on the quarter inner panel, and it is preferable to attach a seat belt of a vehicle that is advantageous in achieving weight reduction of a vehicle body while securing sufficient strength against a load input from a seat belt. The purpose is to provide a reinforcement structure for parts.
　上記目的を達成するために、本発明は、後部ピラーインナパネルの上部に設けられたシートベルトアンカと、前記後部ピラーインナパネルの前方に位置するクォータインナパネルとを備える車両のシートベルト取り付け部の補強構造であって、前記クォータインナパネルの後部は前記後部ピラーインナパネルに接合され、前記クォータインナパネルに、前記シートベルトアンカに対してシートベルトから荷重が加わる方向に沿って延在する凹凸形状のビード部が設けられていることを特徴とする。 In order to achieve the above object, according to the present invention, there is provided a seat belt attaching portion of a vehicle including a seat belt anchor provided at an upper portion of a rear pillar inner panel, and a quarter inner panel located in front of the rear pillar inner panel. A reinforcing structure, wherein a rear portion of the quarter inner panel is joined to the rear pillar inner panel, and the uneven shape extends along a direction in which a load is applied to the seat belt anchor from the seat belt anchor to the quarter inner panel. The bead portion of the present invention is provided.
　本発明によれば、車両衝突時、シートベルト、シートベルトアンカを介して入力される引っ張り荷重を後部ピラーインナパネルおよびクォータインナパネルのビード部により分散して受け止めることができる。
　そのため、後部ピラーインナパネルの板厚を小さくすることができ、後部ピラーインナパネルを軽量化でき、また、ビード部を設けることで増加するクォータインナパネルの重量を最小限に留めることができる。
　したがって、シートベルトから入力される荷重に対して十分な強度を確保しつつ車体の軽量化を図る上で有利となる。 According to the present invention, in the event of a vehicle collision, the tensile load input via the seat belt and seat belt anchor can be dispersedly received by the bead portions of the rear pillar inner panel and the quarter inner panel.
Therefore, the plate thickness of the rear pillar inner panel can be reduced, the weight of the rear pillar inner panel can be reduced, and the weight of the quarter inner panel increasing by the provision of the bead portion can be minimized.
Therefore, it is advantageous in achieving weight reduction of the vehicle body while securing sufficient strength against the load input from the seat belt.
アウタパネルに後部ピラーインナパネルとクォータインナパネルとが取り付けられた状態を車室側から見た図である。It is the figure which looked at the state in which the rear pillar inner panel and the quarter inner panel were attached to the outer panel from the vehicle interior side. 図１のクォータインナパネル部分を拡大した図である。It is the figure which expanded the quarter inner panel part of FIG. クォータインナパネルの説明図である。It is explanatory drawing of a quarter inner panel. 図２の分解斜視図である。It is a disassembled perspective view of FIG. 図２のＡＡ線断面図である。FIG. 3 is a cross-sectional view taken along line AA of FIG. （Ａ）は図２のＢＢ線断面図、（Ｂ）はクォータインナパネルにビード部を設けない場合の断面図である。(A) is BB sectional drawing of FIG. 2, (B) is sectional drawing in case a bead part is not provided in a quarter inner panel.
　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。
　図１は、アウタパネル１０に後部ピラーインナパネル１２とクォータインナパネル１４とが取り付けられた状態を車室側から見た図を示しており、車両は、リヤドアの後方で後部ピラーインナパネル１２の前方にクォータウインドガラス１６が設けられる形式のものである。図１にはリヤドアに対応するリヤドア用開口部１８、クォータウインドガラス１６が配置されたクォータウインドガラス用開口部２０が図示され、クォータウインドガラス用開口部２０は、図４に示すように、アウタパネル１０の開口１００２と、クォータインナパネル１４の開口１４０２とを含んで構成されている。
　アウタパネル１０は金属製で、車両の車幅方向外側の面を形成しており、アウタパネル１０の車幅方向の内側の面には、図１では省略されているが、後部ピラーインナパネル１２とクォータインナパネル１４に加え、センターピラーインナパネルやサイドルーフレールインナパネルなどの各種のインナパネルが接合されている。 Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 shows a view from the cabin side where the rear pillar inner panel 12 and the quarter inner panel 14 are attached to the outer panel 10, and the vehicle is in front of the rear pillar inner panel 12 behind the rear door. The quarter window glass 16 is provided on the FIG. 1 illustrates a rear door opening 18 corresponding to the rear door, and a quarter window glass opening 20 in which the quarter window glass 16 is disposed. The quarter window glass opening 20 is an outer panel as shown in FIG. It is configured to include ten openings 1002 and an opening 1402 of the quarter inner panel 14.
The outer panel 10 is made of metal and forms an outer surface in the vehicle width direction of the vehicle, and the inner surface of the outer panel 10 in the vehicle width direction is omitted in FIG. In addition to the inner panel 14, various inner panels such as a center pillar inner panel and a side roof rail inner panel are joined.
　後部ピラーインナパネル１２は、アウタパネル１０の対応する部分と共に後部ピラー２２を構成する。
　図４、図５に示すように、後部ピラーインナパネル１２には、その車幅方向外側を覆うように補強部材であるピラーリンフォース２４が接合される。
　ピラーリンフォース２４は、後部ピラーインナパネル１２の全長よりも長い寸法で形成され、したがって、ピラーリンフォース２４は後部ピラーインナパネル１２の全長にわたって接合されている。
　また、ピラーリンフォース２４よりも外形が小さい別の補強部材であるベルトリンフォース２６がピラーリンフォース２４よりも車幅方向内側で後部ピラーインナパネル１２の上部で車幅方向外側に接合されている。 The rear pillar inner panel 12 constitutes a rear pillar 22 together with corresponding parts of the outer panel 10.
As shown in FIGS. 4 and 5, a pillar reinforcement 24 which is a reinforcing member is joined to the rear pillar inner panel 12 so as to cover the outer side in the vehicle width direction.
The pillar reinforcement 24 is formed to have a dimension longer than the entire length of the rear pillar inner panel 12, and therefore, the pillar reinforcement 24 is joined along the entire length of the rear pillar inner panel 12.
Also, a belt reinforcement 26, which is another reinforcing member whose outer shape is smaller than the pillar reinforcement 24, is joined to the outside in the vehicle width direction at the upper portion of the rear pillar inner panel 12 inside the pillar reinforcement 24 in the vehicle width direction. .
　図２に示すように、後部ピラーインナパネル１２には、車両の後部座席用のシートベルト２８０３を支持するシートベルトアンカ２８とリトラクタ（Ｅｍｅｒｇｅｎｃｙ　Ｌｏｃｋｉｎｇ　Ｒｅｔｒａｃｔｏｒ ）２９とが取り付けられる。シートベルトアンカ２８は、後部座席用のシートベルト２８０３のうち乗員の上半身を拘束するショルダベルトを支持する部材である。リトラクタ２９は、シートベルト２８０３を乗員の体に装着する際にはシートベルト２８０３の繰り出しを許容し、車両に所定値を超える加速度が生じたときにロック状態に切り変わってシートベルト２８０３の繰り出しを阻止するものである。
　詳細には、シートベルトアンカ２８は、後述するクォータインナパネル１４の下横部１４Ｄの後部が接合された後部ピラーインナパネル１２の箇所に取り付けられる。
　図５に示すように、後部ピラーインナパネル１２およびベルトリンフォース２６には、同軸上にボルト挿通孔１２０２、２６０２がそれぞれ貫通形成され、ベルトリンフォース２６の車幅方向外側にはボルト挿通孔１２０２、２６０２と同軸上にナット２６０４が溶着されている。
　したがって、シートベルトアンカ２８は、シートベルトアンカ２８の取り付け孔２８０２を挿通したボルト２８０１がボルト挿通孔１２０２、２６０２を介してナット２６０４に螺合されることで後部ピラーインナパネル１２に取り付けられる。 As shown in FIG. 2, a seat belt anchor 28 and an emergency locking retractor 29 for supporting a seat belt 2803 for the rear seat of the vehicle are attached to the rear pillar inner panel 12. The seat belt anchor 28 is a member for supporting a shoulder belt that restrains the upper body of the occupant in the seat belt 2803 for the rear seat. The retractor 29 allows the extension of the seat belt 2803 when attaching the seat belt 2803 to the occupant's body, and switches to the locked state when acceleration exceeding a predetermined value occurs in the vehicle, and the extension of the seat belt 2803 It is something to block.
In detail, the seat belt anchor 28 is attached to the rear pillar inner panel 12 where the rear of the lower horizontal portion 14D of the quarter inner panel 14 described later is joined.
As shown in FIG. 5, bolt insertion holes 1202 and 2602 are respectively coaxially formed through the rear pillar inner panel 12 and the belt reinforcement 26, and bolt insertion holes 1202 are formed on the outer side in the vehicle width direction of the belt reinforcement 26. , And a nut 2604 are welded on the same axis as 2602.
Therefore, the seat belt anchor 28 is attached to the rear pillar inner panel 12 by screwing the bolt 2801 inserted through the attachment hole 2802 of the seat belt anchor 28 into the nut 2604 via the bolt insertion holes 1202 and 2602.
　図１、図２に示すように、クォータインナパネル１４は、リヤドア用開口部１８と後部ピラーインナパネル１２との間に配置され、クォータインナパネル１４の後部は後部ピラーインナパネル１２に一体に接合され、残りの箇所はアウタパネル１０に接合されている。
　クォータインナパネル１４に設けられた開口１４０２は、クォータウインドガラス１６嵌め込み用のものである。
　クォータインナパネル１４は、クォータウインドガラス１６の周囲のインナパネル部分を形成するものであり、図２、図３に示すように、前縦部１４Ａと、後縦部１４Ｂと、上横部１４Ｃと、下横部１４Ｄとを備え、枠状に形成されている。 As shown in FIGS. 1 and 2, the quarter inner panel 14 is disposed between the rear door opening 18 and the rear pillar inner panel 12, and the rear of the quarter inner panel 14 is integrally joined to the rear pillar inner panel 12. The remaining portion is joined to the outer panel 10.
An opening 1402 provided in the quarter inner panel 14 is for fitting the quarter window glass 16.
The quarter inner panel 14 forms an inner panel portion around the quarter window glass 16, and as shown in FIGS. 2 and 3, the front vertical portion 14A, the rear vertical portion 14B, and the upper horizontal portion 14C , Lower horizontal portion 14D, and is formed in a frame shape.
　図３に示すように、上横部１４Ｃは、開口１４０２に嵌め込まれたクォータウインドガラス１６の上縁に沿って車両の前後方向に延在している。
　下横部１４Ｄは、クォータウインドガラス１６の下縁に沿って前後方向に延在し、詳細には、下横部１４Ｄの上部は、クォータウインドガラス１６の下縁に沿って後部ピラー２２から前方に離れるにつれて下方に変位する傾斜で前後方向に延在している。
　前縦部１４Ａは、リヤドア用開口１８と、クォータウインドガラス１６の前部との間で上下に延在し上横部１４Ｃの前部と下横部１４Ｄの前部とを接続している。
　後縦部１４Ｂは、クォータウインドガラス１６の後部と後部ピラーインナパネル１２との間で上下に延在し上横部１４Ｃの後部と下横部１４Ｄの後部とを接続している。 As shown in FIG. 3, the upper horizontal portion 14 </ b> C extends in the front-rear direction of the vehicle along the upper edge of the quarter window glass 16 fitted in the opening 1402.
The lower horizontal portion 14D extends longitudinally along the lower edge of the quarter window glass 16. Specifically, the upper portion of the lower horizontal portion 14D extends forward from the rear pillar 22 along the lower edge of the quarter window glass 16. It extends in the back and forth direction with a slope which is displaced downward as it leaves.
The front vertical portion 14A extends vertically between the rear door opening 18 and the front portion of the quarter window glass 16 and connects the front portion of the upper horizontal portion 14C and the front portion of the lower horizontal portion 14D.
The rear vertical portion 14B extends vertically between the rear of the quarter window glass 16 and the rear pillar inner panel 12, and connects the rear of the upper horizontal portion 14C and the rear of the lower horizontal portion 14D.
　図２に示すように、クォータインナパネル１４に、シートベルトアンカ２８に対してシートベルト２８０３から荷重が加わる方向に沿って延在する車幅方向に凹凸形状のビード部３０が設けられている。
　図３に示すように、ビード部３０は下横部１４Ｄに設けられ、下横部１４Ｄの後端寄りの箇所から開口１４０２の下端に沿って車両前方に延在している。すなわち、ビード部３０の後端とシートベルトアンカ２８との距離が短く設定され、後述する車両衝突時にシートベルトアンカ２８に入力されるシートベルト２８０３の荷重をビード部３０で受け止める上でより有利となっている。
　クォータウインドガラス１６は、車両前後方向に横長状を呈し、ビード部３０の前端は、クォータウインドガラス１６の長さ方向の中間部よりも車両の前方に位置する箇所に位置している。すなわち、ビード部３０の長さが大きく確保され、後述する車両衝突時にシートベルトアンカ２８に入力されるシートベルト２８０３の荷重をビード部３０で受け止める上でより有利となっている。
　また、ビード部３０の輪郭をビード部３０の延在方向に沿って車両後方に延長した場合、その延長した輪郭の範囲３０Ａに、シートベルトアンカ２８の輪郭の一部が位置している。すなわち、シートベルトアンカ２８に対するビード部３０の位置関係をこのようにすることで、後述する車両衝突時にシートベルトアンカ２８に入力されるシートベルト２８０３の荷重をビード部３０で受け止める上でより有利となっている。 As shown in FIG. 2, the quarter inner panel 14 is provided with a bead portion 30 having a concavo-convex shape in the vehicle width direction extending along the direction in which a load is applied from the seat belt 2803 to the seat belt anchor 28.
As shown in FIG. 3, the bead portion 30 is provided in the lower horizontal portion 14D, and extends from the location near the rear end of the lower horizontal portion 14D along the lower end of the opening 1402 to the front of the vehicle. That is, the distance between the rear end of the bead portion 30 and the seat belt anchor 28 is set short, which is more advantageous in that the bead portion 30 receives the load of the seat belt 2803 input to the seat belt anchor 28 at the time of vehicle collision described later. It has become.
The quarter window glass 16 has an oblong shape in the longitudinal direction of the vehicle, and the front end of the bead portion 30 is located at a position forward of the vehicle than the middle portion in the lengthwise direction of the quarter window glass 16. That is, the bead portion 30 is secured with a large length, which is more advantageous for the bead portion 30 to receive the load of the seat belt 2803 input to the seat belt anchor 28 at the time of a vehicle collision described later.
Further, when the outline of the bead portion 30 is extended to the rear of the vehicle along the extending direction of the bead portion 30, a part of the outline of the seat belt anchor 28 is located in the range 30A of the extended outline. That is, by making the positional relationship of the bead portion 30 with respect to the seat belt anchor 28 in this way, it is more advantageous to receive the load of the seat belt 2803 input to the seat belt anchor 28 at the time of a vehicle collision described later It has become.
　図６（Ａ）に示すように、ビード部３０をその延在方向と直交する平面で切断した断面形状は、車幅方向外側に凸状である。したがって、ビード部３０の内側に、車幅方向内側に開放状の凹部３００２がビード部３０の延在方向に沿って延在形成されている。
　また、図６（Ａ）に示すように、クォータインナパネル１４の車幅方向内側に配置されるトリム３２と凹部３００２との間は、ビード部３０に沿って延在する細長形状の空間Ｓ、言い換えると車両の前後方向に延在する細長形状の空間Ｓとなっている。
　本実施の形態では、この空間Ｓに、テールゲートに設けられたルームランプやブレーキランプなどの電装部品用のハーネス３４が配置されている。 As shown to FIG. 6 (A), the cross-sectional shape which cut | disconnected the bead part 30 in the plane orthogonal to the extension direction is convex shape on the vehicle width direction outer side. Therefore, in the inside of the bead portion 30, an open recess 3002 is formed extending in the vehicle width direction along the extending direction of the bead portion 30.
Further, as shown in FIG. 6 (A), a space S having an elongated shape extending along the bead portion 30 between the trim 32 disposed on the inner side in the vehicle width direction of the quarter inner panel 14 and the recess 3002; In other words, it is an elongated space S extending in the front-rear direction of the vehicle.
In the present embodiment, in the space S, a harness 34 for electrical parts such as a room lamp and a brake lamp provided in the tailgate is disposed.
　次に作用効果について説明する。
　車両衝突時、引っ張り荷重がシートベルト２８０３、シートベルトアンカ２８を介して後部ピラーインナパネル１２に入力されて受け止められると共に、後部ピラーインナパネル１２とクォータインナパネル１４の後部とは接合されているため、荷重は後部ピラーインナパネル１２からクォータインナパネル１４に入力される。
　ここで、クォータインナパネル１４に、シートベルトアンカ２８に対してシートベルト２８０３から荷重が加わる方向に沿って延在するビード部３０が設けられているので、荷重はビード部３０によっても受け止められる。
　すなわち、荷重を後部ピラーインナパネル１２およびピラーリンフォース２４に加えクォータインナパネル１４のビード部３０により分散して受け止めることができる。
　そのため、従来に比較して後部ピラーインナパネル１２とピラーリンフォース２４の板厚を小さくすることができ、後部ピラーインナパネル１２とピラーリンフォース２４を軽量化できる。
　また、ビード部３０は、荷重が加わる方向に沿って延在しており、小さな断面で大きな荷重を受け止めることができるため、ビード部３０を設けることで増加するクォータインナパネル１４の重量を最小限に留めることができる。
　したがって、シートベルト２８０３から入力される荷重に対して十分な強度を確保しつつ車体の軽量化を図る上で有利となる。 Next, the operation and effect will be described.
At the time of a vehicle collision, a tensile load is input to and received by the rear pillar inner panel 12 via the seat belt 2803 and the seat belt anchor 28, and the rear pillar inner panel 12 and the rear of the quarter inner panel 14 are joined. The load is input to the quarter inner panel 14 from the rear pillar inner panel 12.
Here, since the quarter inner panel 14 is provided with the bead portion 30 extending along the direction in which the load is applied to the seat belt anchor 28 from the seat belt 2803, the load is also received by the bead portion 30.
That is, the load can be dispersedly received by the bead portion 30 of the quarter inner panel 14 by being added to the rear pillar inner panel 12 and the pillar reinforcement 24.
Therefore, the plate thickness of the rear pillar inner panel 12 and the pillar reinforcement 24 can be reduced as compared with the conventional case, and the weight of the rear pillar inner panel 12 and the pillar reinforcement 24 can be reduced.
In addition, since the bead portion 30 extends along the direction in which the load is applied and can receive a large load with a small cross section, providing the bead portion 30 minimizes the weight of the quarter inner panel 14 which increases. Can be
Therefore, it is advantageous in achieving weight reduction of the vehicle body while securing sufficient strength against the load input from the seat belt 2803.
　また、本実施の形態では、図６（Ａ）に示すように、トリム３２とビード部３０との間に車両の前後方向に延在する細長形状の空間Ｓが確保され、この空間Ｓに電装部品用のハーネス３４を配置できるので、図６（Ｂ）に示すように、ビード部３０を形成しない場合に比較してトリム３２を凹部３００２の深さＤ分だけ車幅方向外側にずらすことができる。
　したがって、車幅方向における車室内の空間を大きく確保する上で有利となる。 Further, in the present embodiment, as shown in FIG. 6A, an elongated space S extending in the front-rear direction of the vehicle is secured between the trim 32 and the bead portion 30. Since the harness 34 for parts can be disposed, as shown in FIG. 6 (B), the trim 32 may be shifted outward in the vehicle width direction by the depth D of the recess 3002 as compared with the case where the bead portion 30 is not formed. it can.
Therefore, it is advantageous in securing a large space in the vehicle compartment in the vehicle width direction.
１０　アウタパネル
１２　後部ピラーインナパネル
１４　クォータインナパネル
１６　クォータウインドガラス
２２　後部ピラー
２８　シートベルトアンカ
３０　ビード部
３００２　凹部
３２　トリム
３４　ハーネス DESCRIPTION OF REFERENCE NUMERALS 10 outer panel 12 rear pillar inner panel 14 quarter inner panel 16 quarter window glass 22 rear pillar 28 seat belt anchor 30 bead portion 3002 concave portion 32 trim 34 harness

Claims (8)

  1. 　後部ピラーインナパネルの上部に設けられたシートベルトアンカと、
    　前記後部ピラーインナパネルの前方に位置するクォータインナパネルとを備える車両のシートベルト取り付け部の補強構造であって、
    　前記クォータインナパネルの後部は前記後部ピラーインナパネルに接合され、
    　前記クォータインナパネルに、前記シートベルトアンカに対してシートベルトから荷重が加わる方向に沿って延在する凹凸形状のビード部が設けられている、
    　ことを特徴とする。     A seat belt anchor at the top of the rear pillar inner panel,
    And a reinforcing structure of a seat belt attachment portion of a vehicle including a quarter inner panel located in front of the rear pillar inner panel.
    The rear of the quarter inner panel is joined to the rear pillar inner panel,
    The quarter inner panel is provided with an uneven bead portion extending along a direction in which a load is applied from the seat belt to the seat belt anchor.
    It is characterized by
  2. 　請求項１記載の車両のシートベルト取り付け部の補強構造であって、
    　前記ビード部をその延在方向と直交する平面で切断した断面形状は、車幅方向外側に凸状で、前記ビード部の内側に、車幅方向内側に開放状の凹部が前記ビード部の延在方向に沿って延在形成され、
    　前記クォータインナパネルの車幅方向内側に配置されるトリムと前記凹部との間に電装部品用のハーネスが配置されている、
    　ことを特徴とする。     A reinforcing structure of a seat belt attachment portion of a vehicle according to claim 1, wherein
    The cross-sectional shape obtained by cutting the bead portion at a plane perpendicular to the extending direction is a convex shape outward in the vehicle width direction, and an open concave portion extends inward in the vehicle width direction inside the bead portion. It is formed extending along the existing direction,
    A harness for an electrical component is disposed between the recess and the trim disposed on the inner side in the vehicle width direction of the quarter inner panel.
    It is characterized by
  3. 　請求項１または２記載の車両のシートベルト取り付け部の補強構造であって、
    　前記車両は、リヤドア用開口が設けられたアウタパネルを有し、
    　前記後部ピラーインナパネルは、前記アウタパネルの車幅方向の内側に接合され前記アウタパネルの後部で前記アウタパネルの上端から下方に延在し、
    　前記クォータインナパネルは、前記リヤドア用開口と前記後部ピラーインナパネルとの間に配置され、
    　前記後部を除く前記クォータインナパネルの残りの箇所は前記アウタパネルの車幅方向の内側に接合されている、
    　ことを特徴とする。     It is a reinforcement structure of the seat belt attachment part of the vehicle of Claim 1 or 2, Comprising:
    The vehicle has an outer panel provided with a rear door opening,
    The rear pillar inner panel is joined to the inner side in the vehicle width direction of the outer panel and extends downward from the upper end of the outer panel at the rear of the outer panel.
    The quarter inner panel is disposed between the rear door opening and the rear pillar inner panel.
    The remaining portion of the quarter inner panel except the rear portion is joined to the inside of the outer panel in the vehicle width direction.
    It is characterized by
  4. 　請求項３記載の車両のシートベルト取り付け部の補強構造であって、
    　前記クォータインナパネルにクォータウインドガラス嵌め込み用開口が設けられ、
    　前記クォータインナパネルは、前記クォータウインドガラス嵌め込み用開口に嵌め込まれたクォータウインドガラスの下縁に沿って車両の前後方向に延在する下横部を有し、
    　前記下横部の後部を含む前記クォータインナパネルの後部は前記後部ピラーインナパネルに一体に接合され、
    　前記シートベルトアンカは、前記下横部の後部が接合された前記後部ピラーインナパネルの箇所に設けられ、
    　前記ビード部は、前記下横部に設けられている、
    　ことを特徴とする。     It is a reinforcement structure of the seat belt attachment part of the vehicle of Claim 3, Comprising:
    The quarter inner panel is provided with a quarter window glass fitting opening,
    The quarter inner panel has a lower lateral portion extending in the front-rear direction of the vehicle along a lower edge of a quarter window glass inserted into the quarter window glass insertion opening,
    A rear portion of the quarter inner panel including a rear portion of the lower lateral portion is integrally joined to the rear pillar inner panel;
    The seat belt anchor is provided at the rear pillar inner panel where the rear of the lower horizontal portion is joined.
    The bead portion is provided on the lower side portion,
    It is characterized by
  5. 　請求項４記載の車両のシートベルト取り付け部の補強構造であって、
    　前記ビード部は、前記下横部の後端寄りの箇所から車両前方に延在している、
    　ことを特徴とする。     It is a reinforcement structure of the seat belt attachment part of the vehicle of Claim 4, Comprising:
    The bead portion extends forward of the vehicle from a location near the rear end of the lower horizontal portion.
    It is characterized by
  6. 　請求項５記載の車両のシートベルト取り付け部の補強構造であって、
    　前記クォータウインドガラスは、車両前後方向に横長状を呈し、
    　前記ビード部の前端は、前記クォータウインドガラスの長さ方向の中間部よりも車両の前方に位置する箇所に位置している、
    　ことを特徴とする。     It is a reinforcement structure of the seat belt attachment part of the vehicle of Claim 5, Comprising:
    The quarter window glass has an oblong shape in the longitudinal direction of the vehicle,
    The front end of the bead portion is located at a position forward of the vehicle than an intermediate portion in the lengthwise direction of the quarter window glass.
    It is characterized by
  7. 　請求項１記載の車両のシートベルト取り付け部の補強構造であって、
    　前記ビード部の輪郭を前記ビード部の延在方向に沿って車両後方に延長した場合、その延長した輪郭の範囲に、前記シートベルトアンカの輪郭の一部が位置している、
    　ことを特徴とする。     A reinforcing structure of a seat belt attachment portion of a vehicle according to claim 1, wherein
    When the outline of the bead portion is extended to the rear of the vehicle along the extending direction of the bead portion, a part of the outline of the seat belt anchor is located in the range of the extended outline.
    It is characterized by
  8. 　請求項１記載の車両のシートベルト取り付け部の補強構造であって、
    　前記後部ピラーインナパネルの上部で車幅方向外側にベルトリンフォースが接合され、
    　前記シートベルトアンカは、前記後部ピラーインナパネルおよび前記ベルトリンフォースを貫通したボルトを介して前記後部ピラーインナパネルに取り付けられている、
    　ことを特徴とする。     A reinforcing structure of a seat belt attachment portion of a vehicle according to claim 1, wherein
    Belt reinforcement is joined to the outside in the vehicle width direction at the top of the rear pillar inner panel,
    The seat belt anchor is attached to the rear pillar inner panel via a bolt penetrating the rear pillar inner panel and the belt reinforcement.
    It is characterized by
PCT/JP2015/076489 2014-11-13 2015-09-17 Reinforcement structure for seat belt attachment part of vehicle WO2016076012A1 (en)

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