JP2007125954A - Mounting structure for striker bracket for seat - Google Patents

Mounting structure for striker bracket for seat Download PDF

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Publication number
JP2007125954A
JP2007125954A JP2005319176A JP2005319176A JP2007125954A JP 2007125954 A JP2007125954 A JP 2007125954A JP 2005319176 A JP2005319176 A JP 2005319176A JP 2005319176 A JP2005319176 A JP 2005319176A JP 2007125954 A JP2007125954 A JP 2007125954A
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striker
striker bracket
floor
seat
flange
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JP2005319176A
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JP4720440B2 (en
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Hiroki Tsukahara
博樹 塚原
Takeshi Onodera
健 小野寺
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Nissan Motor Co Ltd
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Nissan Motor Co Ltd
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Priority to CNB2006101504824A priority patent/CN100457502C/en
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a mounting structure for a striker bracket, in which the mounting strength of the striker bracket can be sufficiently secured without causing increase in weight. <P>SOLUTION: A striker bracket 20 provided with a striker rod 21 with which a rear leg part 4 of a seat is detachably engaged is engaged with the inside of a vertical member 16 of a hat-shaped cross section to be jointed with a lower surface of a rear floor 12. The striker brackets 20 and vertical walls 20a and 16a of a vertical member are jointed with each other, so that a load upwardly added to the striker rod 21 can be received in a shearing direction by a coupling part. Since the coupling strength between both is improved, the striker bracket 20 and the vertical member 16 can be thinner. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は、車両用シートの脚部を車体フロアに係脱自在に取付けるストライカブラケットの取付構造に関する。   The present invention relates to a striker bracket mounting structure for detachably mounting a leg portion of a vehicle seat to a vehicle body floor.

３列シートなどの車両前後方向に複数列のシートを設けた車両では、車室内空間を有効利用し、また、乗員の移動を容易にするため、中間列のシートを前倒し可能としたものがある。この場合、シートの後方の脚部は車体フロアに対して着脱可能に取り付けられることになるが、脚部を着脱自在とするシートロック用のストライカロッド（ストライカバー）が皿状のストライカブラケット（ベースプレート）を介して車体フロアに固定される。   Some vehicles, such as a three-row seat, provided with a plurality of rows in the vehicle front-rear direction make it possible to move the seat in the middle row forward in order to make effective use of the vehicle interior space and facilitate the movement of the passengers. . In this case, the rear leg of the seat is detachably attached to the vehicle floor, but the striker rod (strie cover) for seat locking that makes the leg detachable is a dish-like striker bracket (base plate). ) To the vehicle body floor.

従来、前記ストライカブラケットは、ハット形断面に形成した車体骨格部材となるクロスメンバの内方に配置して、ストライカブラケットの上端フランジをクロスメンバの上端フランジとフロアパネルとの間に挟んで接合してある（例えば、特許文献１参照）。
特開２００１−２１３３５９号公報（第３頁、第５図） Conventionally, the striker bracket is disposed inward of a cross member that is a body frame member formed in a hat-shaped cross section, and the upper end flange of the striker bracket is sandwiched and joined between the upper end flange of the cross member and the floor panel. (For example, refer to Patent Document 1).
JP 2001-213359 A (page 3, FIG. 5)

しかしながら、かかる従来のストライカブラケットの取付構造では、ストライカブラケットはその上端フランジのみが車体フロア側に結合される構成となっていたため、ストライカブラケットの取付強度を増大するためには前記上端フランジの剛性を高める必要があり、そのためにストライカブラケットを全体的に増厚し、また、補強部材を追加することになり、車体重量の増加が余儀なくされてしまう。   However, in such a conventional striker bracket mounting structure, since the striker bracket is configured such that only the upper end flange is coupled to the vehicle floor, the rigidity of the upper end flange is increased in order to increase the mounting strength of the striker bracket. Therefore, it is necessary to increase the thickness of the striker bracket, and the thickness of the striker bracket is increased as a whole, and a reinforcing member is added, and the weight of the vehicle body is inevitably increased.

そこで、本発明はストライカブラケットの接合構造を工夫することにより、重量の増加を伴うことなくストライカブラケットの取付強度を十分に確保できるストライカブラケットの取付構造を提供するものである。   Therefore, the present invention provides a striker bracket mounting structure that can sufficiently secure the striker bracket mounting strength without an increase in weight by devising a striker bracket joining structure.

本発明のシート用ストライカブラケットの取付構造は、上方が開放したハット形断面に形成されて車体フロアの下面に接合されるフロアメンバ部材と、シートの脚部を係脱自在に係合するストライカロッドを設けた断面略Ｕ字状のストライカブラケットとを備え、前記フロアメンバ部材の所定部位の内側にストライカブラケットを嵌合して、これらストライカブラケットとフロアメンバ部材の縦壁同士を接合するとともに、前記フロアメンバ部材を車体フロアの下面に接合して、該車体フロアの前記フロアメンバ部材に対応した部位に形成した開口部から前記ストライカロッドを車室内側に臨ませて配設したことを最も主要な特徴とする。   The seat striker bracket mounting structure of the present invention includes a striker rod that is formed in a hat-shaped cross section with an open top and is joined to a lower surface of a vehicle body floor, and a leg portion of the seat detachably. A striker bracket having a substantially U-shaped cross section provided with, and fitting the striker bracket inside a predetermined portion of the floor member member, joining the striker bracket and the vertical walls of the floor member member, The most important thing is that the floor member member is joined to the lower surface of the vehicle body floor, and the striker rod is arranged facing the vehicle interior side from an opening formed in a portion corresponding to the floor member member of the vehicle body floor. Features.

本発明によれば、ストライカブラケットを取り付ける車体フロアはフロアメンバ部材によって補強されているため、シートに車両前後方向の大きな荷重が作用した場合にもシートの浮き上がりを防止できるとともに、断面略Ｕ字状のストライカブラケットとハット形断面のフロアメンバ部材とは、それらの縦壁同士が互いに接合されることにより前記荷重はこの接合部分に強度的に有利な剪断方向に作用することから、両者の結合強度を高めることができるため、ストライカブラケットやフロアメンバ部材の薄肉化が可能となり、または専用の補強部材を不要とすることができて車体の軽量化を図ることができる。   According to the present invention, since the vehicle body floor to which the striker bracket is attached is reinforced by the floor member member, the seat can be prevented from being lifted even when a large load in the vehicle front-rear direction is applied to the seat, and has a substantially U-shaped cross section. The striker bracket and the floor member member having a hat-shaped cross section are joined to each other because their vertical walls are joined to each other. Therefore, it is possible to reduce the thickness of the striker bracket and the floor member member, or to eliminate the need for a dedicated reinforcing member, thereby reducing the weight of the vehicle body.

以下、本発明の実施形態を図面と共に詳述する。   Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

図１〜図７は本発明にかかるシート用ストライカブラケットの取付構造の一実施形態を示し、図１はシート取付け部分の車体フロアを斜め上方から見た斜視図、図２はシート取付部分の車体フロアを斜め下方から見た斜視図であり、図３はシートの取り付け状態を車体フロアを断面として示す側面図、図４は図３中Ａ部の拡大断面図である。   1 to 7 show an embodiment of a seat striker bracket mounting structure according to the present invention. FIG. 1 is a perspective view of a vehicle body floor of a seat mounting portion as viewed obliquely from above. FIG. 2 is a vehicle body of a seat mounting portion. FIG. 3 is a perspective view of the floor as viewed from obliquely below, FIG. 3 is a side view showing a seat mounting state as a cross section of the vehicle body floor, and FIG.

また、図５はストライカブラケットとフロアメンバ部材との取付状態を示す斜視図、図６はストライカブラケットとフロアメンバ部材とを分解して示す拡大斜視図、図７は図５中Ｂ−Ｂ線に沿った拡大断面図である。   FIG. 5 is a perspective view showing the mounting state of the striker bracket and the floor member member, FIG. 6 is an exploded perspective view showing the striker bracket and the floor member member in an exploded state, and FIG. 7 is taken along the line BB in FIG. It is an expanded sectional view along.

本実施形態のシート用ストライカブラケットの取付構造は、例えば車両前後方向に３列以上の複数列のシートを備えた車両であって、前後方向中間列のシートに適用した場合を例にとって示すものとする。   The striker bracket mounting structure of the present embodiment is, for example, a vehicle having a plurality of rows of three or more rows in the vehicle front-rear direction and applied to a middle seat in the front-rear direction as an example. To do.

即ち、図３は本発明が適用される前後方向中間列のシート１を示し、このシート１はシートクッション２の前部下側に設けた前方脚部３と後部下側に設けた後方脚部４とよって支持され、図中２点鎖線に示すように前方脚部３を中心としてシート１全体が車両前方に回動可能となっている。   That is, FIG. 3 shows a seat 1 in the front-rear direction intermediate row to which the present invention is applied. The seat 1 has a front leg 3 provided at the lower front portion of the seat cushion 2 and a rear leg 4 provided at the lower rear portion. Thus, as shown by a two-dot chain line in the figure, the entire seat 1 can be rotated forward of the vehicle around the front leg 3.

前記シート１は、図１に示すように車体フロア１０の前後方向略中央部から後方に向けて段差部１１をもって一段と高く形成されたリアフロア１２に設けられ、前記シート１の前方脚部３は、リアフロア１２の前部から段差部１１を経て一段低くなるフロントフロア１３の後端部に亘って結合された左右一対の補強板１４に、それぞれヒンジ部５を介して前後回動自在に取り付けられる。   As shown in FIG. 1, the seat 1 is provided on a rear floor 12 that is formed to be higher with a step portion 11 from the substantially center portion in the front-rear direction of the vehicle body floor 10 toward the rear, and the front leg portion 3 of the seat 1 is A pair of left and right reinforcing plates 14 connected to the rear end portion of the front floor 13 that is lowered by one step from the front portion of the rear floor 12 through the step portion 11 are attached to the pair of left and right reinforcement plates via the hinge portions 5 so as to be able to rotate back and forth.

また、前記シート１の後方脚部４は、リアフロア１２に取り付けられた左右一対のストライカブラケット２０にそれぞれ設けたストライカロッド２１に係脱自在に係合し、その係合状態で後方脚部４がストライカロッド２１に固定されるようになっている。   The rear leg 4 of the seat 1 is detachably engaged with striker rods 21 provided on a pair of left and right striker brackets 20 attached to the rear floor 12, and the rear leg 4 is engaged in the engaged state. The striker rod 21 is fixed.

前記ストライカブラケット２０は、図５，図６に示すように全体的に車両前後方向に長くなる舟型容器状に形成され、その周縁部が縦壁２０ａで巡らされて上端に外方に折曲したフランジ２０ｂを形成してあるとともに、ストライカブラケット２０の底面２０ｃの車両前方寄りには、逆Ｕ字状に折曲した前記ストライカロッド２１の両端部を車幅方向に配置して結合してある。   As shown in FIGS. 5 and 6, the striker bracket 20 is formed in a boat-like container shape that is elongated in the vehicle front-rear direction as a whole, and its peripheral edge is surrounded by a vertical wall 20a and bent outward at the upper end. A flange 20b is formed, and both ends of the striker rod 21 bent in an inverted U shape are connected to the vehicle front side of the bottom surface 20c of the striker bracket 20 in the vehicle width direction. .

そして、図１，図２に示すように前記ストライカロッド２１を、リアフロア１２の前記ストライカブラケット２０の取付け部位に対応して形成した左右一対の開口部１５から車室内側に臨ませて、ストライカブラケット２０をリアフロア１２の下面に接合配置したフロアメンバ部材としての縦メンバ１６に取り付けるようにしている。   As shown in FIGS. 1 and 2, the striker rod 21 is faced to the vehicle interior side from a pair of left and right openings 15 formed corresponding to the mounting portion of the striker bracket 20 on the rear floor 12, and the striker bracket 21 20 is attached to a vertical member 16 as a floor member member joined and arranged on the lower surface of the rear floor 12.

即ち、リアフロア１２の下面には、図２に示すようにそのリアフロア１２の前部近傍および後端部に、それぞれ車幅方向に延在する前方クロスメンバ１７と後方クロスメンバ１８とが配設され、これら前方・後方クロスメンバ１７，１８間に亘って前記縦メンバ１６が、前記開口部１５の形成位置に対応して左右一対配設される。   That is, on the lower surface of the rear floor 12, as shown in FIG. 2, a front cross member 17 and a rear cross member 18 extending in the vehicle width direction are disposed near the front and rear ends of the rear floor 12, respectively. A pair of left and right vertical members 16 are disposed between the front and rear cross members 17 and 18 corresponding to the positions where the openings 15 are formed.

前方クロスメンバ１７は、図３，図５に示すように上方が開放したハット形断面に形成され、その上端フランジ１７ａをリアフロア１２の下面に接合して、リアフロア１２との間に閉断面を形成している。   3 and 5, the front cross member 17 is formed in a hat-shaped cross section whose upper part is open, and an upper end flange 17a is joined to the lower surface of the rear floor 12 to form a closed cross section with the rear floor 12. is doing.

また、後方クロスメンバ１８にあっても、前方クロスメンバ１７と同様にハット形断面に形成してリアフロア１２の下面に接合することにより閉断面を形成している。   The rear cross member 18 also has a hat-shaped cross section similar to the front cross member 17 and is joined to the lower surface of the rear floor 12 to form a closed cross section.

一方、前記縦メンバ１６は、図５，図６に示すように前記前方クロスメンバ１７と同様に上方が開放したハット形断面に形成され、その両側の縦壁１６ａの上端に形成したフランジ１６ｂをリアフロア１２の下面に接合して、リアフロア１２との間に閉断面を形成している。   On the other hand, as shown in FIGS. 5 and 6, the vertical member 16 is formed in a hat-shaped cross section with the top open like the front cross member 17, and flanges 16b formed on the upper ends of the vertical walls 16a on both sides thereof are formed. It is joined to the lower surface of the rear floor 12 to form a closed cross section with the rear floor 12.

そして、前記ストライカブラケット２０の取付け部分では、図７に示すようにストライカブラケット２０の車幅方向に対向する縦壁２０ａ間の外側幅と、縦メンバ１６の対向する縦壁１６ａの内側幅とを略等しく形成して、ストライカブラケット２０を縦メンバ１６の内側に嵌合し、これら嵌合したストライカブラケット２０の縦壁２０ａと縦メンバ１６の１６ａ同士を接合（スポット溶接Ｐ２）して組付けてある。   And in the attachment part of the said striker bracket 20, as shown in FIG. 7, the outer side width | variety between the vertical walls 20a which opposes the vehicle width direction of the striker bracket 20, and the inner side width | variety of the vertical wall 16a which the vertical member 16 opposes. The striker bracket 20 is fitted inside the vertical member 16 so as to be substantially equal, and the vertical wall 20a of the fitted striker bracket 20 and the 16a of the vertical member 16 are joined (spot weld P2) and assembled. is there.

また、ストライカブラケット２０のフランジ２０ｂは、縦メンバ１６のフランジ１６ｂの上側に重ね合わせて接合（スポット溶接Ｐ１）し、更に、これらフランジ２０ｂ，１６ｂを開口部１５の周縁部下面にスポット溶接により結合してある。   Further, the flange 20b of the striker bracket 20 is overlapped and joined to the upper side of the flange 16b of the vertical member 16 (spot welding P1), and these flanges 20b and 16b are joined to the lower surface of the peripheral edge of the opening 15 by spot welding. It is.

更に、本実施形態では図６に示すように、前記フランジ２０ｂは、その車幅方向外側部分（外周）２２を、フランジ幅ｗが狭くなる凹部２２ａとフランジ幅ｗが広くなる凸部２２ｂとからなる平面波形状に形成する一方、前記フランジ１６ｂは、その上面に、前記フランジ２０ｂの凸部２２ｂが嵌合する低座部分２３ａと、フランジ２０ｂの凹部２２ａに嵌合する高座部分２３ｂとを形成してあり、これら低座部分２３ａと高座部分２３ｂとの高低差をフランジ２０ｂの厚さｔに略等しく設定し、互いに嵌合した前記凸部２２ｂと前記低座部分２３ａとを接合（スポット溶接Ｐ１）するとともに、前記高座部分２３ｂとリアフロア１２とを重合して接合（スポット溶接Ｐ３）してある。   Further, in the present embodiment, as shown in FIG. 6, the flange 20b has an outer portion (outer periphery) 22 in the vehicle width direction, which is composed of a concave portion 22a having a narrow flange width w and a convex portion 22b having a wide flange width w. The flange 16b is formed on the upper surface thereof with a low seat portion 23a fitted with the convex portion 22b of the flange 20b and a high seat portion 23b fitted with the concave portion 22a of the flange 20b. The height difference between the low seat portion 23a and the high seat portion 23b is set to be substantially equal to the thickness t of the flange 20b, and the convex portion 22b and the low seat portion 23a fitted to each other are joined (spot welding P1). In addition, the high seat portion 23b and the rear floor 12 are superposed and joined (spot welding P3).

ところで、ストライカブラケット２０を組付けた縦メンバ１６は、図２に示すようにその前端部１６ｃを前記ストライカブラケット２０の前方近傍に配設した前記前方クロスメンバ１７に結合してある。   By the way, the vertical member 16 to which the striker bracket 20 is assembled is coupled to the front cross member 17 whose front end portion 16c is disposed near the front of the striker bracket 20, as shown in FIG.

即ち、図４，図５に示すようにフランジ１６ｂの前端部を前方クロスメンバ１７の上端フランジ１７ａの下側に重ね合わせて、リアフロア１２の下面に接合するとともに、縦メンバ１６の底面１６ｄの延長部１６ｅを前方クロスメンバ１７の底面１７ｂの下側に重ねて接合（スポット溶接）される。このとき、縦メンバ１６の前端部１６ｃは前方クロスメンバ１７の後方縦壁１７ｃの傾斜に沿って形成して該後方縦壁１７ｃに付き合わせてある。   That is, as shown in FIGS. 4 and 5, the front end portion of the flange 16b is overlapped with the lower side of the upper end flange 17a of the front cross member 17 and joined to the lower surface of the rear floor 12, and the bottom surface 16d of the vertical member 16 is extended. The portion 16e is joined to the lower side of the bottom surface 17b of the front cross member 17 (spot welding). At this time, the front end portion 16c of the vertical member 16 is formed along the inclination of the rear vertical wall 17c of the front cross member 17, and is attached to the rear vertical wall 17c.

以上の構成により本実施形態によれば、シート１の通常使用状態では、図３中実線に示すように後方脚部４をストライカロッド２１に係合して固定した状態となっており、この状態でシート１に作用する荷重は、前方脚部３および後方脚部４からリアフロア１２に入力する。   With the above configuration, according to the present embodiment, in the normal use state of the seat 1, as shown by the solid line in FIG. 3, the rear leg 4 is engaged with the striker rod 21 and fixed. The load acting on the seat 1 is input to the rear floor 12 from the front leg 3 and the rear leg 4.

このとき、後方脚部４に入力された荷重は、ストライカロッド２１およびストライカブラケット２０を介して縦メンバ１６そしてリアフロア１２へと伝達されるが、縦メンバ１６を設けたことによりリアフロア１２を補強することができるため、急制動時や衝突時等にあってシートベルトを介してシート１に大きな荷重が作用した場合にも、リアフロア１２が上方に変形するのを抑えることができ、結果的にシート１の浮き上がりを防止することができる。   At this time, the load input to the rear leg 4 is transmitted to the vertical member 16 and the rear floor 12 via the striker rod 21 and the striker bracket 20, but the rear floor 12 is reinforced by providing the vertical member 16. Therefore, the rear floor 12 can be prevented from being deformed upward even when a large load is applied to the seat 1 via the seat belt during a sudden braking or a collision. 1 can be prevented from rising.

また、断面略Ｕ字状のストライカブラケット２０とハット形断面の縦メンバ１６とは、それらの縦壁２０ａ，１６ａ同士が互いに結合されているので、その結合部分では前記荷重を強度的に有利な剪断方向で受けることができ、これによって両者の結合強度を高めることができるため、ストライカブラケット２０や縦メンバ１６の薄肉化が可能となり、または専用の補強部材を不要として車体の軽量化を図ることができる。   Further, since the striker bracket 20 having a substantially U-shaped cross section and the vertical member 16 having a hat-shaped cross section have their vertical walls 20a and 16a joined to each other, the joint portion is advantageous in terms of strength. Since it can be received in the shearing direction, and the joint strength between them can be increased, the striker bracket 20 and the vertical member 16 can be thinned, or a special reinforcing member is not required, and the vehicle body can be reduced in weight. Can do.

また、本実施形態では前記作用効果に加えて、ストライカブラケット２０のフランジ２０ｂを縦メンバ１６のフランジ１６ｂ上に重合して接合してあるので、ストライカブラケット２０と縦メンバ１６との結合強度を更に高めることができ、シート１の後方脚部４からリアフロア１２に伝達される荷重をより効率良く受けることができる。   Further, in this embodiment, in addition to the above-described effects, the flange 20b of the striker bracket 20 is overlapped and joined to the flange 16b of the vertical member 16, so that the bonding strength between the striker bracket 20 and the vertical member 16 is further increased. The load transmitted from the rear leg 4 of the seat 1 to the rear floor 12 can be received more efficiently.

更に、フランジ２０ｂの車幅方向外側部分２２を、凹部２２ａ，凸部２２ｂからなる平面波形状に形成する一方、フランジ１６ｂの上面に前記凸部２２ｂが嵌合する低座部分２３ａと前記凹部２２ａに嵌合する高座部分２３ｂとを、それらの高低差をフランジ２０ｂの厚さｔに略等しく設定し、互いに嵌合した前記凸部２２と前記低座部分２３ａとを接合するとともに、前記高座部分２３ｂと車体フロア１２とを重合して接合したので、ストライカブラケット２０を縦メンバ１６とリアフロア１２との両者に直接結合することができ、シート１の後方脚部４に伝達された荷重の分散効率を高めることができる。   Further, the outer side portion 22 of the flange 20b in the vehicle width direction is formed in a plane wave shape including the concave portion 22a and the convex portion 22b, while the lower seat portion 23a and the concave portion 22a are fitted with the convex portion 22b on the upper surface of the flange 16b. The high seat portion 23b to be fitted is set so that the height difference thereof is substantially equal to the thickness t of the flange 20b, the convex portion 22 and the low seat portion 23a fitted to each other are joined, and the high seat portion 23b. Since the striker bracket 20 can be directly coupled to both the vertical member 16 and the rear floor 12, the efficiency of the load transmitted to the rear leg 4 of the seat 1 can be reduced. Can be increased.

更にまた、前記縦メンバ１６の前端部１６ｃをストライカブラケット２０近傍に設けた前方クロスメンバ１７に結合したので、縦メンバ１６およびストライカブラケット２０近傍のリアフロア１２の強度をそれぞれ更に高めることができ、ひいては、シート１の支持剛性をより高めることができる。   Furthermore, since the front end portion 16c of the vertical member 16 is coupled to the front cross member 17 provided in the vicinity of the striker bracket 20, the strength of the rear floor 12 in the vicinity of the vertical member 16 and the striker bracket 20 can be further increased. The support rigidity of the sheet 1 can be further increased.

ところで、本発明は前記実施形態に例をとって説明したが、この実施形態に限ることなく本発明の要旨を逸脱しない範囲で他の実施形態を各種採用することができ、例えば、シートは３列以上の複数列の中間列に限ることなく、最前列や最後列のシートにあっても適用でき、また、シートは回動タイプに限ることなくシート全体を車体フロアから分離できるタイプであってもよい。   By the way, although this invention was demonstrated taking the example for the said embodiment, various other embodiment can be employ | adopted in the range which does not deviate from the summary of this invention, without being restricted to this embodiment, for example, a sheet | seat is 3 It can be applied to the front row and the last row of seats, not limited to intermediate rows of multiple rows or more, and the seat can be separated from the vehicle floor without being limited to the pivot type. Also good.

また、ストライカブラケット２０を取り付けるフロアメンバ部材は、車両前後方向に延在する縦メンバ１６に限ることなく、車幅方向に延在するクロスメンバとすることもできる。   Further, the floor member member to which the striker bracket 20 is attached is not limited to the vertical member 16 extending in the vehicle front-rear direction, but may be a cross member extending in the vehicle width direction.

本発明の一実施形態におけるシート取付け部分の車体フロアを斜め上方から見た斜視図。The perspective view which looked at the vehicle body floor of the seat attachment part in one Embodiment of this invention from diagonally upward. 本発明の一実施形態におけるシート取付部分の車体フロアを斜め下方から見た斜視図。The perspective view which looked at the vehicle body floor of the seat attachment part in one Embodiment of this invention from diagonally downward. 本発明の一実施形態におけるシートの取り付け状態を車体フロアを断面として示す側面図。The side view which shows the attachment state of the sheet | seat in one Embodiment of this invention by making a vehicle body floor into a cross section. 図３中Ａ部の拡大断面図。The expanded sectional view of the A section in FIG. 本発明の一実施形態におけるストライカブラケットとフロアメンバ部材との取付状態を示す斜視図。The perspective view which shows the attachment state of the striker bracket and floor member member in one Embodiment of this invention. 本発明の一実施形態におけるストライカブラケットとフロアメンバ部材とを分解して示す拡大斜視図。The disassembled perspective view which decomposes | disassembles and shows the striker bracket and floor member member in one Embodiment of this invention. 図５中Ｂ−Ｂ線に沿った拡大断面図。The expanded sectional view along the BB line in FIG.

符号の説明Explanation of symbols

１ シート
４ 後方脚部
１０ 車体フロア
１２ リアフロア
１５ 開口部
１６ 縦メンバ（フロアメンバ部材）
１６ａ 縦メンバの縦壁
１６ｂ 縦メンバのフランジ
１６ｄ 縦メンバの前端部
１７ 前方クロスメンバ
２０ ストライカブラケット
２０ａ ストライカブラケットの縦壁
２０ｂ ストライカブラケットのフランジ
２１ ストライカロッド
２２ａ 凹部
２２ｂ 凸部
２２ ストライカブラケットのフランジの外側部分
２３ａ 低座部分
２３ｂ 高座部分 1 Seat 4 Rear Leg 10 Body Floor 12 Rear Floor 15 Opening 16 Vertical Member (Floor Member Member)
16a Vertical member's vertical wall 16b Vertical member's flange 16d Vertical member's front end 17 Front cross member 20 Striker bracket 20a Striker bracket's vertical wall 20b Striker bracket's flange 21 Striker rod 22a Recess 22b Protrusion 22 Striker bracket's outer flange Part 23a Low seat part 23b High seat part

Claims (4)

上方が開放したハット形断面に形成されて車体フロアの下面に接合されるフロアメンバ部材と、
シートの脚部を係脱自在に係合するストライカロッドを設けた断面略Ｕ字状のストライカブラケットとを備え、
前記フロアメンバ部材の所定部位の内側にストライカブラケットを嵌合して、これらストライカブラケットとフロアメンバ部材の縦壁同士を接合するとともに、
前記フロアメンバ部材を車体フロアの下面に接合して、該車体フロアの前記フロアメンバ部材に対応した部位に形成した開口部から前記ストライカロッドを車室内側に臨ませて配設したことを特徴とするシート用ストライカブラケットの取付構造。 A floor member member that is formed in a hat-shaped cross section with an open top and is joined to the lower surface of the vehicle body floor;
A striker bracket having a substantially U-shaped cross-section provided with a striker rod for releasably engaging a leg portion of the seat;
While fitting a striker bracket inside a predetermined part of the floor member member, joining the striker bracket and the vertical walls of the floor member member,
The floor member member is joined to a lower surface of a vehicle body floor, and the striker rod is disposed facing the vehicle interior side from an opening formed in a portion of the vehicle body floor corresponding to the floor member member. Mounting structure for striker bracket for seat. フロアメンバ部材およびストライカブラケットはそれぞれ縦壁の上端にフランジを有し、これらフランジを重合して接合したことを特徴とする請求項１に記載のシート用ストライカブラケットの取付構造。   2. The seat striker bracket mounting structure according to claim 1, wherein the floor member member and the striker bracket each have a flange at the upper end of the vertical wall, and the flanges are overlapped and joined. ストライカブラケットのフランジは、その外側部分を、フランジ幅が狭くなる凹部とフランジ幅が広くなる凸部とからなる平面波形状に形成する一方、フロアメンバ部材のフランジは、その上面に、ストライカブラケットのフランジの凸部が嵌合する低座部分と、ストライカブラケットのフランジの凹部に嵌合する高座部分とを形成し、これら低座部分と高座部分との高低差をストライカブラケットのフランジの厚さに略等しく設定し、互いに嵌合した前記凸部と前記低座部分とを接合するとともに、前記高座部分と車体フロアとを重合して接合したことを特徴とする請求項２に記載のシート用ストライカブラケットの取付構造。   The flange of the striker bracket has an outer portion formed in a plane wave shape composed of a concave portion with a narrow flange width and a convex portion with a wide flange width, while the flange of the floor member member has a flange of the striker bracket on its upper surface. Forming a low seat part to which the convex part of the striker fits and a high seat part to fit into the concave part of the flange of the striker bracket, and the height difference between the low seat part and the high seat part is approximately the thickness of the flange of the striker bracket The striker bracket for seat according to claim 2, wherein the convex portion and the low seat portion, which are set to be equal to each other, are joined to each other, and the high seat portion and the vehicle body floor are superposed and joined to each other. Mounting structure. フロアメンバ部材は、車両前後方向に延在する縦メンバであり、該縦メンバの前端部をストライカブラケット近傍で車体フロアの下面に接合したクロスメンバに結合したことを特徴とする請求項１〜３のいずれか１つに記載のシート用ストライカブラケットの取付構造。   The floor member is a vertical member extending in the longitudinal direction of the vehicle, and a front end portion of the vertical member is coupled to a cross member joined to the lower surface of the vehicle body floor in the vicinity of the striker bracket. The mounting structure of the striker bracket for seats as described in any one of these.
JP2005319176A 2005-11-02 2005-11-02 Seat striker bracket mounting structure Expired - Fee Related JP4720440B2 (en)

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