JP6408829B2

JP6408829B2 - Cover member mounting structure

Info

Publication number: JP6408829B2
Application number: JP2014163777A
Authority: JP
Inventors: 啓史伊澤; 祐輔日向野
Original assignee: TS Tech Co Ltd
Current assignee: TS Tech Co Ltd
Priority date: 2014-08-11
Filing date: 2014-08-11
Publication date: 2018-10-17
Anticipated expiration: 2034-08-11
Also published as: JP2016037272A

Description

本発明は、シート本体の少なくとも一部を覆うカバー部材をシートに取り付けるカバー部材取付構造に関する。 The present invention relates to a cover member attachment structure for attaching a cover member covering at least a part of a seat body to a seat.

例えば、車両用等のシートに、シートの一部を覆うカバー部材を取り付ける構造として、シートに設けられる被係合部に、カバー部材に設けられる係合部を係合する構造は公知である。例えば、下記特許文献１では、被係合部として、シートに棒状部が設けられ、係合部として、カバー部材に爪を有する板状部が設けられており、カバー部材の組付状態で、板状部の爪が棒状部に引っ掛かる構造となっている。 For example, as a structure for attaching a cover member that covers a part of a seat to a vehicle seat or the like, a structure in which an engaging portion provided on a cover member is engaged with an engaged portion provided on the seat is known. For example, in Patent Document 1 below, a bar-like part is provided on the sheet as the engaged part, and a plate-like part having a claw is provided on the cover member as the engaging part, and in the assembled state of the cover member, It has a structure in which the claw of the plate-like portion is caught by the rod-like portion.

特開２０１４−３４２４７号公報JP 2014-34247 A

上述した従来技術では、シートの被係合部にカバー部材の係合部が係合している状態で、被係合部と、カバー部材の本体部との間に空間が存在すると、カバー部材がシートに対して厚さ方向に動くことが可能となり、カバー部材のガタツキが発生してしまう。 In the related art described above, when a space exists between the engaged portion and the main body portion of the cover member in a state where the engaging portion of the cover member is engaged with the engaged portion of the sheet, the cover member Can move in the thickness direction with respect to the sheet, and the cover member is unstable.

本発明はこのような課題を考慮してなされたものであり、組付状態でのカバー部材のガタツキを抑制することができるカバー部材取付構造を提供することを目的とする。 The present invention has been made in view of such problems, and an object of the present invention is to provide a cover member mounting structure that can suppress backlash of the cover member in the assembled state.

前記の目的を達成するために、本発明はシート本体のフレームの外周部の形状に沿った形状を有し、前記シート本体の底面を部分的に覆うカバー部材を前記シート本体に取り付けるカバー部材取付構造であって、前記シート本体に設けられた被係合部と、前記カバー部材に設けられ、前記被係合部に係合する係合部と、前記カバー部材の組付状態で前記シート本体に対する前記カバー部材の移動を規制する移動規制機構と、を備え、前記移動規制機構は、前記カバー部材から前記シート本体に向けて突出する規制凸状部を有し、前記カバー部材の組付状態において、前記規制凸状部は前記シート本体に当接する、ことを特徴とする。 In order to achieve the above-mentioned object, the present invention has a shape along the shape of the outer peripheral portion of the frame of the seat body, and a cover member attachment for attaching a cover member partially covering the bottom surface of the seat body to the seat body The seat body in an assembled state of the engaged portion provided in the seat body, the engaging portion provided in the cover member and engaged with the engaged portion, and the cover member A movement restricting mechanism for restricting the movement of the cover member relative to the cover member, the movement restricting mechanism having a restricting convex portion projecting from the cover member toward the seat body, and the assembled state of the cover member In the above, the restricting convex portion is in contact with the sheet main body .

上記の構成によれば、移動規制機構の作用により、シート本体に対するカバー部材の移動が規制されるので、組付状態でのカバー部材のガタツキを抑制することができる。 According to said structure, since the movement of the cover member with respect to a sheet | seat main body is controlled by the effect | action of a movement control mechanism, the play of the cover member in an assembly | attachment state can be suppressed.

上記のカバー部材取付構造において、前記移動規制機構は、前記カバー部材から前記シート本体側に突出する規制突出部を有し、前記カバー部材の組付状態において、前記規制突出部は前記被係合部に当接してもよい。 In the cover member mounting structure, the movement restricting mechanism has a restricting protrusion that protrudes from the cover member toward the seat body, and the restricting protrusion is in the engaged state in the assembled state of the cover member. You may contact | abut to a part.

この構成により、係合部と規制突出部との間に被係合部が保持されるため、カバー部材のガタツキを効果的に抑制することができる。 With this configuration, the engaged portion is held between the engaging portion and the restricting protruding portion, so that the backlash of the cover member can be effectively suppressed.

上記のカバー部材取付構造において、前記被係合部は棒状部材であり、前記規制突出部には、前記棒状部材を前記係合部に押し付ける付勢部が設けられてもよい。 In the above cover member mounting structure, the engaged portion may be a rod-shaped member, and the regulating protrusion may be provided with a biasing portion that presses the rod-shaped member against the engaging portion.

この構成により、棒状部材を係合部に組み付けやすいとともに、組付状態におけるカバー部材のガタツキを効果的に抑制することができる。 With this configuration, the rod-shaped member can be easily assembled to the engaging portion, and rattling of the cover member in the assembled state can be effectively suppressed.

上記のカバー部材取付構造において、前記係合部及び前記規制突出部は、前記カバー部材と一体成形されており、前記係合部と前記規制突出部とは、隙間を介して隣接配置されてもよい。 In the above cover member mounting structure, the engaging portion and the restricting protrusion are integrally formed with the cover member, and the engaging portion and the restricting protrusion may be disposed adjacent to each other via a gap. Good.

この構成により、隙間の存在によって係合部が撓みやすいため、被係合部を係合部に組み付けやすいとともに、係合部の近傍に配置された規制突出部の移動規制機能によりカバー部材のガタツキを効果的に抑制できる。 With this configuration, since the engaging portion is easily bent due to the presence of the gap, the engaged portion can be easily assembled to the engaging portion, and the movement of the restricting protruding portion disposed in the vicinity of the engaging portion can cause rattling of the cover member. Can be effectively suppressed.

上記のカバー部材取付構造において、前記係合部は、互いに対向する板状部を有し、前記規制突出部は、少なくとも、前記板状部の根元部間に跨る長さを有してもよい。 In the above cover member mounting structure, the engaging portion may have plate-like portions facing each other, and the restricting protruding portion may have at least a length straddling between the root portions of the plate-like portion. .

この構成により、板状部の開く方向への撓みやすさの確保と、板状部自体の適度な剛性の確保とを、うまくバランスさせることができる。 With this configuration, it is possible to achieve a good balance between ensuring ease of bending in the opening direction of the plate-like portion and ensuring appropriate rigidity of the plate-like portion itself.

上記のカバー部材取付構造において、前記移動規制機構は、前記カバー部材から前記シート本体側に突出する規制凸状部を有し、前記カバー部材の組付状態において、前記規制凸状部は前記シート本体に当接してもよい。 In the above cover member mounting structure, the movement restricting mechanism has a restricting convex portion protruding from the cover member toward the sheet main body, and in the assembled state of the cover member, the restrictive convex portion is the sheet. You may contact | abut to a main body.

この構成により、カバー部材のガタツキを効果的に抑制することができる。 With this configuration, the backlash of the cover member can be effectively suppressed.

上記のカバー部材取付構造において、前記シート本体は、プレート部材が設けられたフレームを有し、前記カバー部材の組付状態で、前記規制凸状部は前記プレート部材に当接してもよい。 In the above cover member mounting structure, the seat body may have a frame provided with a plate member, and the restricting convex portion may abut against the plate member in the assembled state of the cover member.

この構成により、比較的剛性の高いフレームのプレート部材に規制凸状部が当接するので、カバー部材のガタツキを一層効果的に抑制できる。 With this configuration, the restricting convex portion comes into contact with the plate member of the frame having a relatively high rigidity, so that the backlash of the cover member can be more effectively suppressed.

上記のカバー部材取付構造において、前記カバー部材には、複数の前記係合部が設けられ、前記移動規制機構は、複数の前記係合部の外側に配置されてもよい。 In the above cover member mounting structure, the cover member may be provided with a plurality of engaging portions, and the movement restricting mechanism may be disposed outside the plurality of engaging portions.

この構成により、規制効果を発揮しやすい位置に移動規制機構が配置されるため、組付状態におけるカバー部材のガタツキを一層効果的に抑制することができる。 With this configuration, since the movement restricting mechanism is arranged at a position where the restricting effect is easily exhibited, it is possible to more effectively suppress the backlash of the cover member in the assembled state.

本発明のカバー部材取付構造によれば、組付状態でのカバー部材のガタツキを抑制することができる。 According to the cover member mounting structure of the present invention, backlash of the cover member in the assembled state can be suppressed.

車両用シートの全体斜視図である。1 is an overall perspective view of a vehicle seat. 図２Ａは、通常状態（展開状態）のシートの側面図であり、図２Ｂは、収納状態のシートの側面図である。FIG. 2A is a side view of the sheet in a normal state (deployed state), and FIG. 2B is a side view of the sheet in a stored state. シートクッション、シート用カバー及び折り畳まれたフット部をシートクッションの底面側から見た図である。It is the figure which looked at the seat cushion, the seat cover, and the folded foot part from the bottom side of the seat cushion. フレーム、フット部及びシート用カバーの斜視図である。It is a perspective view of a frame, a foot part, and a seat cover. フレーム、フット部及びシート用カバーの分解斜視図である。It is a disassembled perspective view of a frame, a foot part, and a seat cover. フレーム、フット部及びシート用カバーの平面図である。It is a top view of a frame, a foot part, and a seat cover. シート用カバーの平面図である。It is a top view of the cover for sheets. 図８Ａは、図７のＡ部拡大図であり、図８Ｂは、補強部の断面図である。8A is an enlarged view of a portion A in FIG. 7, and FIG. 8B is a cross-sectional view of the reinforcing portion. 図６におけるＩＸ−ＩＸ線に沿った断面図である。It is sectional drawing along the IX-IX line in FIG. 図６におけるＸ−Ｘ線に沿った断面図である。It is sectional drawing along the XX in FIG. カバー部材を下方側から見た斜視図である。It is the perspective view which looked at the cover member from the lower side. シート用カバーを下方側から見た斜視図である。It is the perspective view which looked at the cover for sheets from the lower side. キャップ部材の斜視図である。It is a perspective view of a cap member. 図６におけるＸＩＶ−ＸＩＶ線に沿った断面図である。It is sectional drawing along the XIV-XIV line | wire in FIG.

以下、本発明の好適な実施形態を挙げ、添付の図面を参照しながら説明する。 Preferred embodiments of the present invention will be described below with reference to the accompanying drawings.

図１は、車両用シート１０の全体斜視図である。なお、以下の説明において、車両用シート１０又はその構成要素に関し、「左右方向」、「左右」又は「シート１２幅方向」とは、車両幅方向を意味するものとし、左方向を矢印Ｌで示し、右方向を矢印Ｒで示す。また、車両用シート１０又はその構成要素に関し、前方、後方、上方、下方をそれぞれ矢印Ｆｒ、Ｒｒ、Ｕｐ、Ｌｗで示す。 FIG. 1 is an overall perspective view of a vehicle seat 10. In the following description, with respect to the vehicle seat 10 or its components, “left and right direction”, “left and right” or “seat 12 width direction” means the vehicle width direction, and the left direction is indicated by an arrow L. The right direction is indicated by an arrow R. Moreover, regarding the vehicle seat 10 or its components, the front, rear, upper, and lower portions are indicated by arrows Fr, Rr, Up, and Lw, respectively.

この車両用シート１０は、ワゴン車等における運転席よりも後方側のシート１２（例えば、２列目シート又は３列目シート）であり、折り畳んで車両のフロアＦに収納可能に構成された折り畳み式シート（チップアップシートあるいはダイブダウンシート）である。また、この車両用シート１０は、シート幅方向に６対４の分割可倒式に構成されており、相対的に幅広のシート１２（中央部を含む左側のシート１２）と、相対的に幅狭のシート１３（右側のシート１３）とを有する。以下、代表的に幅広のシート１２の具体的構成を説明するが、本発明は、シート１３にも適用可能であることは勿論である。 The vehicle seat 10 is a seat 12 (for example, a second row seat or a third row seat) on the rear side of a driver seat in a wagon car or the like, and is folded so as to be stored on the floor F of the vehicle. It is a formula sheet (chip up sheet or dive down sheet). In addition, the vehicle seat 10 is configured in a 6: 4 foldable manner in the seat width direction, and is relatively wide with the relatively wide seat 12 (the left seat 12 including the central portion). And a narrow sheet 13 (right sheet 13). Hereinafter, a specific configuration of the wide sheet 12 will be described as a typical example, but the present invention is naturally applicable to the sheet 13 as well.

図２Ａに示すように、シート１２は、乗員の臀部及び大腿部を支持するためのシートクッション１４（シート本体）と、シートクッション１４の下面に折り畳み可能に設けられたフット部１６と、乗員の背面を支持するための前倒し可能なシートバック１８（シート本体）とを備える。 As shown in FIG. 2A, the seat 12 includes a seat cushion 14 (seat body) for supporting the occupant's buttocks and thighs, a foot portion 16 that is foldable on the lower surface of the seat cushion 14, and an occupant. A seat back 18 (seat body) that can be moved forward.

シートバック１８は、下部側がブラケット１９を介して車体のフロア上段部Ｆ２に軸支されることで前倒し可能となっている。シートクッション１４の後部側から後方へ斜め上方に延びる湾曲した連結アーム２０が、シートバック１８に回転可能に連結されており、シートクッション１４をフット部１６と一緒に跳ね上げ可能となっている。フロア下段部Ｆ１には、シートクッション１４から展開したフット部１６の下辺部４３を保持可能なロック装置２１が設置される。 The seat back 18 can be moved forward by pivotally supporting the lower side of the seat back 18 to the floor upper step F2 of the vehicle body via the bracket 19. A curved connecting arm 20 extending obliquely upward from the rear side to the rear side of the seat cushion 14 is rotatably connected to the seat back 18 so that the seat cushion 14 can be flipped up together with the foot portion 16. A lock device 21 that can hold the lower side portion 43 of the foot portion 16 developed from the seat cushion 14 is installed in the lower floor portion F1.

シートバック１８の幅方向片側寄りの背部には解除可能なチャック２２が設けられ、車体のサイドパネルには図示しない止め環が設けられ、止め環をチャック２２で挟持することにより、立て付け設置可能に構成されている。シートクッション１４の底面には、シート用カバー２４が取り付けられる。 A releasable chuck 22 is provided on the back of the seat back 18 near one side in the width direction, and a stop ring (not shown) is provided on the side panel of the vehicle body. It is configured. A seat cover 24 is attached to the bottom surface of the seat cushion 14.

このシート１２をフロアＦに収納するためには、ロック装置２１を解除することによってフット部１６をロック装置２１から解放してから、シートクッション１４を上方に跳ね上げ、次に、フット部１６をシートクッション１４の底面に向けて折り畳むことで、シートバック１８、シートクッション１４及びフット部１６を重ねた状態とする。そして、チャック２２を解除し、シートバック１８、シートクッション１４及びフット部１６を重ねた状態のシート１２をブラケット１９の支持軸を中心に回転させて前方に倒す。これにより、図２Ｂに示すように、シート１２を折り畳んだ状態でフロアＦ（フロア下段部Ｆ１）に収納することができる。なお、ダイブダウンシートの場合、ロック装置２１でフット部１６をロックした状態のまま、シートバック１８を前方に倒すと、シートバック１８、シートクッション１４及びフット部１６が重なり、この状態でフロアＦに収納することができる。図３は、シートクッション１４、シート用カバー２４及び折り畳まれたフット部１６をシートクッション１４の底面側から見た図であり、シートバック１８の図示は省略している。 In order to store the seat 12 on the floor F, the foot 16 is released from the locking device 21 by releasing the locking device 21, and then the seat cushion 14 is flipped upward. By folding toward the bottom surface of the seat cushion 14, the seat back 18, the seat cushion 14, and the foot portion 16 are stacked. Then, the chuck 22 is released, and the seat 12 with the seat back 18, the seat cushion 14, and the foot portion 16 overlapped is rotated about the support shaft of the bracket 19 and tilted forward. Thereby, as shown to FIG. 2B, the sheet | seat 12 can be accommodated in the floor F (floor lower step part F1) in the folded state. In the case of a dive-down seat, when the seat back 18 is tilted forward while the foot portion 16 is locked by the locking device 21, the seat back 18, the seat cushion 14 and the foot portion 16 overlap, and in this state the floor F Can be stored. FIG. 3 is a view of the seat cushion 14, the seat cover 24, and the folded foot portion 16 as viewed from the bottom side of the seat cushion 14, and the illustration of the seat back 18 is omitted.

シートクッション１４は、骨格を構成するシートクッションフレーム２６（以下、「フレーム２６」と略称する）を、弾性変形可能な素材（例えば、軟質ポリウレタンフォーム）からなりシートクッション形状を作り出す図示しないクッションパッドで覆い、さらにクッションパッドを表皮材で覆ってなるものである。 The seat cushion 14 is a cushion pad (not shown) that creates a seat cushion shape made of an elastically deformable material (for example, a flexible polyurethane foam). It covers and the cushion pad is covered with a skin material.

図４は、フレーム２６、フット部１６及びシート用カバー２４の斜視図であり、図５は、フレーム２６、フット部１６、シート用カバー２４の分解斜視図であり、図６は、フレーム２６、フット部１６、シート用カバー２４の平面図である。 4 is a perspective view of the frame 26, the foot portion 16, and the seat cover 24, FIG. 5 is an exploded perspective view of the frame 26, the foot portion 16, and the seat cover 24, and FIG. 3 is a plan view of a foot portion 16 and a seat cover 24. FIG.

フレーム２６は、シートバック１８の下部側に回動可能に連結された左右の連結アーム２０と、左右の連結アーム２０の前側に連結され左右の連結アーム２０間に架け渡された前部フレーム２８と、前部フレーム２８の後方で左右の連結アーム２０間に架け渡された後部フレーム３０と、後部フレーム３０と前部フレーム２８との間に架け渡された中間フレーム３１と、中間フレーム３１の左右両側で、後部フレーム３０と前部フレーム２８との間にそれぞれ架け渡された乗員支持プレート３２、３４と、前側のワイヤ部材３６（被係合部）と、後側のワイヤ部材３８とを有する。 The frame 26 includes left and right connecting arms 20 that are rotatably connected to the lower side of the seat back 18, and a front frame 28 that is connected to the front side of the left and right connecting arms 20 and spans between the left and right connecting arms 20. A rear frame 30 spanned between the left and right connecting arms 20 behind the front frame 28, an intermediate frame 31 spanned between the rear frame 30 and the front frame 28, On both the left and right sides, an occupant support plate 32, 34, a front wire member 36 (engaged portion) and a rear wire member 38, which are bridged between the rear frame 30 and the front frame 28, respectively. Have.

前部フレーム２８は、前後方向に延在する左右のサイド部４０と、左右のサイド部４０の先端部同士を連結する前辺部４１とを有しており、全体として平面視でＵ字状に形成されている。前辺部４１は、正面視で、左右方向の途中部分で屈曲した形状をしており、上段部４１ａと、下段部４１ｂと、その間の傾斜部４１ｃとを有する。 The front frame 28 has left and right side portions 40 extending in the front-rear direction, and a front side portion 41 that connects the front end portions of the left and right side portions 40, and is U-shaped in plan view as a whole. Is formed. The front side portion 41 has a shape bent in the middle in the left-right direction when viewed from the front, and has an upper step portion 41a, a lower step portion 41b, and an inclined portion 41c therebetween.

後部フレーム３０も、正面視で、左右方向の途中部分で屈曲した形状をしており、上段部３０ａと、下段部３０ｂと、その間の傾斜部３０ｃとを有する。 The rear frame 30 is also bent in the middle in the left-right direction when viewed from the front, and has an upper step portion 30a, a lower step portion 30b, and an inclined portion 30c therebetween.

中間フレーム３１は、前部フレーム２８の傾斜部４１ｃと後部フレーム３０の傾斜部３０ｃとに架け渡されている。本実施形態において、前部フレーム２８及び後部フレーム３０の各々は、パイプ状部材により構成され、中間フレーム３１は板状部材により構成されている。 The intermediate frame 31 is bridged between the inclined portion 41 c of the front frame 28 and the inclined portion 30 c of the rear frame 30. In the present embodiment, each of the front frame 28 and the rear frame 30 is configured by a pipe-shaped member, and the intermediate frame 31 is configured by a plate-shaped member.

一方の乗員支持プレート３２は、車両用シート１０の左側に乗る乗員を支持するためのプレートであり、前部フレーム２８の下段部４１ｂと後部フレーム３０の下段部３０ｂとの間に架け渡されて前後方向に延在する。 One occupant support plate 32 is a plate for supporting an occupant riding on the left side of the vehicle seat 10, and is bridged between the lower step portion 41 b of the front frame 28 and the lower step portion 30 b of the rear frame 30. Extends in the front-rear direction.

他方の乗員支持プレート３４は、車両用シート１０の左右中央に乗る乗員を支持するためのプレートであり、前部フレーム２８の上段部４１ａと後部フレーム３０の上段部３０ａとの間に架け渡されて前後方向に延在する。 The other occupant support plate 34 is a plate for supporting an occupant riding in the center of the left and right sides of the vehicle seat 10, and is bridged between the upper step portion 41 a of the front frame 28 and the upper step portion 30 a of the rear frame 30. Extending in the front-rear direction.

前後のワイヤ部材３６、３８は、シートクッション１４（具体的には、フレーム２６）に対してカバー部材４８を組み付けるために設けられる棒状部材である。本実施形態において、前側のワイヤ部材３６は、前部フレーム２８（具体的には、前辺部４１の下段部４１ｂ）に固定される。 The front and rear wire members 36 and 38 are rod-like members provided for assembling the cover member 48 to the seat cushion 14 (specifically, the frame 26). In the present embodiment, the front wire member 36 is fixed to the front frame 28 (specifically, the lower step portion 41b of the front side portion 41).

図５に示すように、ワイヤ部材３６は、前部フレーム２８から下方に延びる短尺な左右の縦軸部３６ａと、左右の縦軸部３６ａの下端部同士を連結して左右方向に水平に延びる長尺な横軸部３６ｂとを有する。横軸部３６ｂと前部フレーム２８との間には左右に延びる隙間が形成される。 As shown in FIG. 5, the wire member 36 extends horizontally in the left-right direction by connecting the short left and right vertical axis portions 36 a extending downward from the front frame 28 and the lower end portions of the left and right vertical axis portions 36 a. And a long horizontal shaft portion 36b. A gap extending left and right is formed between the horizontal shaft portion 36 b and the front frame 28.

本実施形態において、後側のワイヤ部材３８は、左側の連結アーム２０と中間フレーム３１との間に架け渡される。ワイヤ部材３８の左端部は、左側の連結アーム２０に連結される。ワイヤ部材３８の右端部は、乗員支持プレート３４に連結される。 In the present embodiment, the rear wire member 38 is bridged between the left connecting arm 20 and the intermediate frame 31. The left end portion of the wire member 38 is connected to the left connecting arm 20. The right end portion of the wire member 38 is connected to the occupant support plate 34.

図６に示すように、フット部１６は、根元部がフレーム２６に対して回転可能に支持された左右のサイドフット４２Ｌ、４２Ｒと、左右のサイドフット４２Ｌ、４２Ｒの自由端部（回転支持される側とは反対側の端部）を連結し水平方向に延びる下辺部４３とを有し、全体として概ねＵ字状に形成される。図において左側のサイドフット４２Ｌは、途中で屈曲しているが、右側のサイドフット４２Ｒのように直線状に形成されてもよい。 As shown in FIG. 6, the foot portion 16 includes left and right side feet 42L and 42R whose root portions are rotatably supported with respect to the frame 26, and free end portions of the left and right side feet 42L and 42R. And a lower side portion 43 that extends in the horizontal direction and is generally U-shaped as a whole. In the drawing, the left side foot 42L is bent halfway, but may be formed in a straight line like the right side foot 42R.

フット部１６は、左右のフット支持部材４４（ブラケット）を介してフレーム２６に回動可能に支持される。フット部１６は、シートクッション１４の底面に向けて、シートクッション１４の後方側に回動して折り畳み可能である。フット部１６は、展開状態で、シートクッション１４の底面に対して略垂直に延在し（図２Ａ参照）、折り畳み状態（収納状態）で、シートクッション１４の底面に近接又は当接する（図２Ｂ参照）。 The foot portion 16 is rotatably supported by the frame 26 via left and right foot support members 44 (brackets). The foot portion 16 can be rotated and folded toward the rear side of the seat cushion 14 toward the bottom surface of the seat cushion 14. The foot 16 extends substantially perpendicularly to the bottom surface of the seat cushion 14 in the deployed state (see FIG. 2A), and approaches or abuts the bottom surface of the seat cushion 14 in the folded state (stored state) (FIG. 2B). reference).

本実施形態において具体的には、フレーム２６の左側のサイド部４０に一方のフット支持部材４４が固定され、中間フレーム３１に他方のフット支持部材４４が固定される。フット支持部材４４の各々は、下方に開放した断面逆Ｕ字状の部材であり、下端部近傍に設けられた支持軸４５で、フット部１６の左右のサイドフット４２Ｌ、４２Ｒの根元部を回動可能に支持する。 Specifically, in the present embodiment, one foot support member 44 is fixed to the left side portion 40 of the frame 26, and the other foot support member 44 is fixed to the intermediate frame 31. Each of the foot support members 44 is a member having an inverted U-shaped cross section that opens downward, and rotates around the root portions of the left and right side feet 42L and 42R of the foot portion 16 with a support shaft 45 provided in the vicinity of the lower end portion. Support movably.

なお、フレーム２６を構成する各部材の構成材料としては、荷重を受けたときに大きく変形しないように十分な剛性をもつ材料、例えば、鋼材やアルミニウム合金等の金属材料が挙げられる。フレーム２６を構成する各部材同士の接合手段は溶接である。なお、接合手段としては、ボルト、接着剤等による接合を併用してもよい。 In addition, as a constituent material of each member which comprises the flame | frame 26, metal materials, such as steel materials and aluminum alloys, etc. which have sufficient rigidity so that it may not deform | transform large when a load is received are mentioned. The joining means between the members constituting the frame 26 is welding. In addition, as a joining means, you may use joining by a volt | bolt, an adhesive agent, etc. together.

シート用カバー２４は、シートクッション１４の底面を部分的に覆うカバー部材４８と、カバー部材４８に形成された開口部８３を覆うキャップ部材５０とを有する。カバー部材４８及びキャップ部材５０は、例えば、硬質の樹脂材料からなる。 The seat cover 24 includes a cover member 48 that partially covers the bottom surface of the seat cushion 14, and a cap member 50 that covers the opening 83 formed in the cover member 48. The cover member 48 and the cap member 50 are made of, for example, a hard resin material.

カバー部材４８は、概ねフレーム２６の外周部の形状に沿った形状を有する。従って、カバー部材４８は、相対的に低い上段カバー部４８ａと、相対的に低い下段カバー部４８ｂと、上段カバー部４８ａと下段カバー部４８ｂとの間を構成する傾斜カバー部４８ｃとを有する。カバー部材４８の上面（フレーム２６側の面）には、略全面に亘って、左右方向及び前後方向の多数のリブ５１、５２が格子状に形成される。 The cover member 48 has a shape that substantially follows the shape of the outer peripheral portion of the frame 26. Accordingly, the cover member 48 includes a relatively low upper cover portion 48a, a relatively low lower cover portion 48b, and an inclined cover portion 48c that constitutes between the upper cover portion 48a and the lower cover portion 48b. On the upper surface of the cover member 48 (the surface on the frame 26 side), a large number of ribs 51 and 52 in the left-right direction and the front-rear direction are formed in a lattice shape over substantially the entire surface.

カバー部材４８は、フレーム２６に対して取り付けられる。本実施形態において、カバー部材４８の右部側（上段カバー部４８ａ）は、中間フレーム３１に対して適宜の締結部品４７（ネジ等；図６参照）により固定される。カバー部材４８の左部側の後部側では、カバー部材４８に設けられたフック部５４が、後側のワイヤ部材３８に係合する（引っ掛かる）ことで、フレーム２６に取り付けられる。カバー部材４８の左部側の前部側では、カバー部材４８に設けられた係合部５６が、前側のワイヤ部材３６に係合する（引っ掛かる）ことで、フレーム２６に取り付けられる。 The cover member 48 is attached to the frame 26. In the present embodiment, the right side (upper cover portion 48a) of the cover member 48 is fixed to the intermediate frame 31 by an appropriate fastening component 47 (screw or the like; see FIG. 6). On the rear side of the left side of the cover member 48, the hook portion 54 provided on the cover member 48 is attached to the frame 26 by engaging with (hanging on) the wire member 38 on the rear side. On the front side on the left side of the cover member 48, the engaging portion 56 provided on the cover member 48 is attached to the frame 26 by engaging (hooking) with the front wire member 36.

カバー部材４８においてフック部５４は複数（図示例では、２つ）設けられる。複数のフック部５４は左右方向に間隔をおいて配置される。本実施形態では、フレーム２６に対してカバー部材４８が組み付けられた状態（以下、「カバー部材４８の組付状態」という）で、フック部５４の間に乗員支持プレート３２が配置される。フック部５４は、カバー部材４８のカバー本体部４９（シートクッション１４の底面を覆う壁を構成する部分）に一体的に形成されており、カバー本体部４９の上面から上方に突出するとともに、上端部が後方に屈曲している。なお、カバー部材４８において、フック部５４は１つだけ設けられてもよい。 The cover member 48 is provided with a plurality of hook portions 54 (two in the illustrated example). The plurality of hook portions 54 are arranged at intervals in the left-right direction. In the present embodiment, the occupant support plate 32 is disposed between the hook portions 54 in a state where the cover member 48 is assembled to the frame 26 (hereinafter referred to as “an assembly state of the cover member 48”). The hook portion 54 is formed integrally with the cover main body portion 49 of the cover member 48 (the portion constituting the wall covering the bottom surface of the seat cushion 14), protrudes upward from the upper surface of the cover main body portion 49, and has an upper end. The part is bent backward. In the cover member 48, only one hook portion 54 may be provided.

図６及び図７に示すように、本実施形態において、左右方向に間隔をおいて複数（図示例では、２つ）の係合部５６が設けられる。カバー部材４８の組立状態で、複数の係合部５６は乗員支持プレート３２を避けた位置に配置されおり、係合部５６の間に乗員支持プレート３２が配置される。なお、カバー部材４８において、係合部５６は１つだけ設けられてもよい。 As shown in FIGS. 6 and 7, in the present embodiment, a plurality of (two in the illustrated example) engaging portions 56 are provided at intervals in the left-right direction. In the assembled state of the cover member 48, the plurality of engaging portions 56 are disposed at positions avoiding the occupant support plate 32, and the occupant support plate 32 is disposed between the engaging portions 56. In the cover member 48, only one engaging portion 56 may be provided.

図７のＡ部拡大図である図８Ａに示すように、各係合部５６は、カバー本体部４９の上面から突出し、互いに対向した一対の係合片５８を有する。各係合片５８は、カバー本体部４９に一体的に形成される。係合片５８は、カバー本体部４９の上面から突出した弾性変形可能な板状部６０と、板状部６０の一方の面から突出した爪部６２とを有する。 As shown in FIG. 8A, which is an enlarged view of part A in FIG. 7, each engaging part 56 has a pair of engaging pieces 58 that protrude from the upper surface of the cover main body part 49 and face each other. Each engagement piece 58 is formed integrally with the cover main body 49. The engagement piece 58 includes an elastically deformable plate-like portion 60 protruding from the upper surface of the cover main body portion 49 and a claw portion 62 protruding from one surface of the plate-like portion 60.

一対の係合片５８は、板状部６０が互いに対向し、一方の爪部６２が他方の板状部６０に向けて突出し、他方の爪部６２が一方の板状部６０に向けて突出するように、前後方向に間隔をおいて配置される。一対の係合片５８は、爪部６２同士が左右方向にずれて互い違いに配置される。 In the pair of engaging pieces 58, the plate-like portions 60 face each other, one claw portion 62 protrudes toward the other plate-like portion 60, and the other claw portion 62 protrudes toward the one plate-like portion 60. So as to be spaced apart in the front-rear direction. The pair of engaging pieces 58 are alternately arranged with the claw portions 62 shifted in the left-right direction.

上記のように係合部５６が構成されているので、シート１２の組立工程において、シートクッション１４（フレーム２６）の底面にカバー部材４８を取り付ける際、一対の係合片５８間にワイヤ部材３６が挿入されることに伴って、一対の係合片５８が開く方向に弾性変形する。そして、ワイヤ部材３６が爪部６２を乗り越えると、一対の係合片５８が弾性的に復元することで、図９（図６におけるＩＸ−ＩＸ線に沿った断面図）に示すように、爪部６２がワイヤ部材３６に係合する。これにより、ワイヤ部材３６と係合部５６との分離が阻止される。 Since the engaging portion 56 is configured as described above, when the cover member 48 is attached to the bottom surface of the seat cushion 14 (frame 26) in the assembly process of the seat 12, the wire member 36 is interposed between the pair of engaging pieces 58. Is inserted, the pair of engagement pieces 58 are elastically deformed in the opening direction. Then, when the wire member 36 gets over the claw portion 62, the pair of engagement pieces 58 are elastically restored, and as shown in FIG. 9 (cross-sectional view taken along the line IX-IX in FIG. 6), The part 62 engages with the wire member 36. Thereby, separation of the wire member 36 and the engaging portion 56 is prevented.

また、板状部６０の爪部６２とは反対側の面には補強リブ６４が設けられる。補強リブ６４は、板状部６０に対して垂直に設けられる。補強リブ６４は、爪部６２の背面側を避けた位置に設けられる。補強リブ６４は、カバー部材４８に設けられた左右方向に延びるリブ５２に連結される。補強リブ６４とリブ５２とは、垂直に交差する。係合片５８の爪部６２の背面側は、リブ５２とは連結されていない。このため、板状部６０は爪部６２が設けられた箇所において変形しやすい。 A reinforcing rib 64 is provided on the surface of the plate-like portion 60 opposite to the claw portion 62. The reinforcing rib 64 is provided perpendicular to the plate-like portion 60. The reinforcing rib 64 is provided at a position avoiding the back side of the claw portion 62. The reinforcing rib 64 is connected to a rib 52 provided in the cover member 48 and extending in the left-right direction. The reinforcing rib 64 and the rib 52 intersect perpendicularly. The back side of the claw portion 62 of the engagement piece 58 is not connected to the rib 52. For this reason, the plate-like portion 60 is easily deformed at the place where the claw portion 62 is provided.

ところで、ワイヤ部材３６にカバー部材４８の係合部５６が係合している状態で、ワイヤ部材３６と、カバー本体部４９との間に空間が存在すると、カバー部材４８がフレーム２６（シートクッション１４）に対して厚さ方向（シートクッション１４が寝ている状態での上下方向）に動くことが可能となり、カバー部材４８のガタツキが発生してしまう。そこで、本実施形態では、カバー部材４８の組付状態でシート１２に対するカバー部材４８の移動を規制する移動規制機構７０を有する。以下、移動規制機構７０について説明する。 By the way, when a space exists between the wire member 36 and the cover main body 49 in a state where the engaging portion 56 of the cover member 48 is engaged with the wire member 36, the cover member 48 is attached to the frame 26 (seat cushion). 14), it is possible to move in the thickness direction (up and down direction when the seat cushion 14 is lying down), and the cover member 48 is rattled. Therefore, in the present embodiment, the movement restricting mechanism 70 that restricts the movement of the cover member 48 relative to the seat 12 in the assembled state of the cover member 48 is provided. Hereinafter, the movement restriction mechanism 70 will be described.

本実施形態では、移動規制機構７０は、カバー部材４８に設けられた規制突出部７２（図７〜図９参照）と、規制凸状部７４（図５、図６、図７、図１０参照）とを有する。規制突出部７２は、カバー部材４８からフレーム２６側（シートクッション１４側）に向けて突出する。図９に示すように、カバー部材４８の組付状態において、規制突出部７２はワイヤ部材３６に当接し、これにより、規制突出部７２と係合部５６（具体的には、爪部６２）との間に、ワイヤ部材３６が挟まれて保持される。 In the present embodiment, the movement restriction mechanism 70 includes a restriction protrusion 72 (see FIGS. 7 to 9) provided on the cover member 48 and a restriction protrusion 74 (see FIGS. 5, 6, 7, and 10). ). The restricting protrusion 72 protrudes from the cover member 48 toward the frame 26 side (seat cushion 14 side). As shown in FIG. 9, in the assembled state of the cover member 48, the restricting protrusion 72 abuts on the wire member 36, whereby the restricting protrusion 72 and the engaging portion 56 (specifically, the claw portion 62). The wire member 36 is held between the two.

図７に示すように、本実施形態では、規制突出部７２は、右側の係合部５６よりも右側、すなわち複数の係合部５６の右側に設けられる。従って、規制突出部７２は、複数の係合部５６の外側に設けられる。また、係合部５６及び規制突出部７２は、カバー部材４８と一体成形される。図８Ａに示すように、係合部５６と規制突出部７２とは、若干の隙間７３を介して隣接配置される。規制突出部７２は、少なくとも、板状部６０の根元部間に跨る長さＬ１（幅；一対の板状部６０の離間方向の寸法）を有するとよい。すなわち、規制突出部７２の長さＬ１は、板状部６０の根元部の間隔Ｌ２以上であるのがよい。 As shown in FIG. 7, in the present embodiment, the restriction protrusion 72 is provided on the right side of the right engagement portion 56, that is, on the right side of the plurality of engagement portions 56. Therefore, the restricting protrusion 72 is provided outside the plurality of engaging portions 56. Further, the engaging portion 56 and the restricting protruding portion 72 are integrally formed with the cover member 48. As shown in FIG. 8A, the engaging portion 56 and the restricting protrusion 72 are disposed adjacent to each other with a slight gap 73 therebetween. The restriction protrusion 72 preferably has at least a length L 1 (width; a dimension in the separation direction of the pair of plate portions 60) straddling between the root portions of the plate portion 60. That is, the length L1 of the restricting protrusion 72 is preferably equal to or greater than the distance L2 between the roots of the plate-like part 60.

図９に示すように、規制突出部７２には、ワイヤ部材３６を係合部５６（爪部６２）に押し付ける付勢部７６が設けられるとよい。本実施形態の場合、付勢部７６は、規制突出部７２の側方で開口する孔７７により構成されており、これにより、規制突出部７２の突出端部（上端部）が弾性変形可能であり、ワイヤ部材３６に対する弾性的な付勢力が発生する。なお、付勢部７６は、規制突出部７２の突出端部に設けられる弾性体（ゴム等）であってもよい。あるいは、付勢部７６は、規制突出部７２の突出端部にて片持ち支持された弾性片部であってもよい。 As shown in FIG. 9, the restricting protrusion 72 may be provided with a biasing portion 76 that presses the wire member 36 against the engaging portion 56 (claw portion 62). In the case of this embodiment, the urging portion 76 is configured by a hole 77 that opens on the side of the restricting protrusion 72, and thereby the protruding end (upper end) of the restricting protrusion 72 can be elastically deformed. Yes, an elastic biasing force against the wire member 36 is generated. The urging portion 76 may be an elastic body (rubber or the like) provided at the protruding end portion of the restricting protruding portion 72. Alternatively, the biasing portion 76 may be an elastic piece portion that is cantilevered at the protruding end portion of the restricting protruding portion 72.

一方、規制凸状部７４は、図６におけるＸ−Ｘ線に沿った断面図である図１０に示すように、カバー部材４８からシートクッション１４側（フレーム２６側）に突出し、カバー部材４８の組付状態において、フレーム２６に当接する。具体的には、フレーム２６の前部フレーム２８（の左角部内側）にはプレート部材７８が設けられ、カバー部材４８の組付状態で、規制凸状部７４はプレート部材７８の下面に当接する。図７に示すように、本実施形態では、規制凸状部７４は、カバー部材４８の左前隅部近傍に設けられる。従って、規制凸状部７４は、複数の係合部５６の外側（左右方向外側）に設けられる。 On the other hand, as shown in FIG. 10, which is a cross-sectional view taken along the line XX in FIG. 6, the restriction convex portion 74 protrudes from the cover member 48 to the seat cushion 14 side (frame 26 side). It contacts the frame 26 in the assembled state. Specifically, a plate member 78 is provided on the front frame 28 (inside the left corner) of the frame 26, and the restricting convex portion 74 contacts the lower surface of the plate member 78 in the assembled state of the cover member 48. Touch. As shown in FIG. 7, in the present embodiment, the restricting convex portion 74 is provided in the vicinity of the left front corner of the cover member 48. Therefore, the restricting convex portion 74 is provided on the outer side (laterally outer side) of the plurality of engaging portions 56.

本実施形態において、規制凸状部７４は、平面視で、コ字形状（角部が直角のＵ字形状）に形成される。規制凸状部７４は、縦方向及び横方向のリブ５１、５２に連結するとよい。なお、規制凸状部７４は、平面視で、角部が丸いコ字形状（Ｕ字形状）に形成されてもよい。規制凸状部７４は、その他の形状に形成されてもよく、例えば、平面視で、Ｉ形状（Ｈ形状）、Ｌ字形状、四角形状、その他の多角形状等に形成されてもよい。 In the present embodiment, the restriction convex portion 74 is formed in a U-shape (a U-shape with a right-angle corner) in plan view. The restricting convex portion 74 may be connected to the ribs 51 and 52 in the vertical direction and the horizontal direction. Note that the restricting convex portion 74 may be formed in a U shape (U shape) with rounded corners in plan view. The restricting convex portion 74 may be formed in other shapes, and may be formed in, for example, an I shape (H shape), an L shape, a quadrangular shape, or other polygonal shape in plan view.

本実施形態の場合、上記のように構成された移動規制機構７０を備えるため、シート１２に対するカバー部材４８の移動が規制される。これにより、組付状態でのカバー部材４８の厚さ方向のガタツキを抑制することができる。 In the case of the present embodiment, since the movement restriction mechanism 70 configured as described above is provided, the movement of the cover member 48 with respect to the sheet 12 is restricted. Thereby, the backlash of the thickness direction of the cover member 48 in an assembly state can be suppressed.

また、移動規制機構７０は、カバー部材４８からシートクッション１４側に突出する規制突出部７２を有し、カバー部材４８の組付状態において、規制突出部７２はワイヤ部材３６に当接するので、係合部５６と規制突出部７２との間にワイヤ部材３６が保持される。よって、カバー部材４８の厚さ方向のガタツキを効果的に抑制することができる。 The movement restricting mechanism 70 has a restricting protrusion 72 that protrudes from the cover member 48 toward the seat cushion 14, and the restricting protrusion 72 contacts the wire member 36 in the assembled state of the cover member 48. The wire member 36 is held between the joining portion 56 and the restricting protruding portion 72. Therefore, the play in the thickness direction of the cover member 48 can be effectively suppressed.

規制突出部７２には、ワイヤ部材３６を係合部５６に押し付ける付勢部７６（図９参照）が設けられるため、組立工程においてワイヤ部材３６を係合部５６に組み付けやすいとともに、組付状態におけるカバー部材４８の厚さ方向のガタツキを効果的に抑制することができる。 Since the restricting protrusion 72 is provided with a biasing portion 76 (see FIG. 9) that presses the wire member 36 against the engaging portion 56, the wire member 36 is easily assembled to the engaging portion 56 in the assembling process, and the assembled state The backlash of the cover member 48 in the thickness direction can be effectively suppressed.

本実施形態の場合、係合部５６及び規制突出部７２は、カバー部材４８と一体成形されており、係合部５６と規制突出部７２とは、隙間７３を介して隣接配置されるので（図８Ａ参照）、隙間７３の存在によって係合部５６が撓みやすい。このため、ワイヤ部材３６を係合部５６に組み付けやすいとともに、係合部５６の近傍に配置された規制突出部７２の移動規制機能によりカバー部材４８の厚さ方向のガタツキを効果的に抑制できる。 In the case of the present embodiment, the engaging portion 56 and the restricting protruding portion 72 are integrally formed with the cover member 48, and the engaging portion 56 and the restricting protruding portion 72 are disposed adjacent to each other via the gap 73 ( The engagement portion 56 is easily bent due to the presence of the gap 73 (see FIG. 8A). For this reason, it is easy to assemble the wire member 36 to the engaging portion 56, and the movement restricting function of the restricting protruding portion 72 disposed in the vicinity of the engaging portion 56 can effectively suppress the backlash in the thickness direction of the cover member 48. .

本実施形態の場合、規制突出部７２は、少なくとも、板状部６０の根元部間に跨る長さＬ１を有するので、板状部６０の開く方向への撓みやすさの確保と、板状部６０自体の適度な剛性の確保とを、うまくバランスさせることができる。 In the case of the present embodiment, the restriction projecting portion 72 has at least a length L1 straddling between the root portions of the plate-like portion 60, and therefore, the plate-like portion 60 can be easily bent in the opening direction and the plate-like portion. The proper rigidity of the 60 itself can be well balanced.

また、本実施形態の場合、移動規制機構７０は、カバー部材４８からシートクッション１４側に突出する規制凸状部７４を有し、カバー部材４８の組付状態において、規制凸状部７４はフレーム２６に当接する（図１０参照）。プレート部材７８に当接した規制凸状部７４は、フレーム２６に対する移動が制限される。よって、カバー部材４８の厚さ方向のガタツキを効果的に一層抑制することができる。 In the case of this embodiment, the movement restricting mechanism 70 has a restricting convex portion 74 protruding from the cover member 48 toward the seat cushion 14, and the restricting convex portion 74 is a frame in the assembled state of the cover member 48. 26 (see FIG. 10). The restricting convex portion 74 in contact with the plate member 78 is restricted from moving relative to the frame 26. Therefore, the backlash in the thickness direction of the cover member 48 can be further effectively suppressed.

特に、カバー部材４８の組付状態で、規制凸状部７４は、フレーム２６に設けられたプレート部材７８に当接する。これにより、比較的剛性の高いフレーム２６のプレート部材７８に規制凸状部７４が当接するので、カバー部材４８の厚さ方向のガタツキを一層効果的に抑制できる。なお、規制凸状部７４は、プレート部材７８以外のフレーム２６、例えば、前部フレーム２８自体に当接してもよく、この場合、プレート部材７８は設けられなくてもよい。 In particular, in the assembled state of the cover member 48, the restricting convex portion 74 abuts on the plate member 78 provided on the frame 26. Thereby, since the restricting convex portion 74 abuts on the plate member 78 of the frame 26 having relatively high rigidity, it is possible to more effectively suppress the backlash in the thickness direction of the cover member 48. The restricting convex portion 74 may abut on the frame 26 other than the plate member 78, for example, the front frame 28 itself. In this case, the plate member 78 may not be provided.

さらに、本実施形態の場合、移動規制機構７０（規制突出部７２及び規制凸状部７４）は、複数の係合部５６の外側に配置される（図７参照）。このように規制効果を発揮しやすい位置に移動規制機構７０が配置されるため、組付状態におけるカバー部材４８のガタツキを一層効果的に抑制することができる。 Furthermore, in the case of the present embodiment, the movement restricting mechanism 70 (the restricting protruding portion 72 and the restricting convex portion 74) is disposed outside the plurality of engaging portions 56 (see FIG. 7). Since the movement restricting mechanism 70 is thus arranged at a position where the restricting effect is easily exerted, the backlash of the cover member 48 in the assembled state can be further effectively suppressed.

本実施形態の場合、係合部５６は、向かい合う板状部６０と、各板状部６０から突出する爪部６２を有し、爪部６２は互い違いに配置されていて、爪部６２の裏側を避けた位置に補強リブ６４が設けられる（図８Ａ参照）。この構成により、補強リブ６４によって、板状部６０自体の剛性を確保しつつ、爪部６２は開く方向に撓みやすいので、ワイヤ部材３６を組み付けやすい。 In the case of this embodiment, the engaging portion 56 has plate-like portions 60 facing each other and claw portions 62 protruding from the respective plate-like portions 60, and the claw portions 62 are alternately arranged, and the back side of the claw portions 62. Reinforcing ribs 64 are provided at positions avoiding (see FIG. 8A). With this configuration, the reinforcing rib 64 ensures the rigidity of the plate-like portion 60 itself, and the claw portion 62 is easily bent in the opening direction, so that the wire member 36 can be easily assembled.

また、カバー部材４８において係合部５６は複数個所に設けられており、複数の係合部５６に設けられた補強リブ６４は、第２の補強リブ（横方向のリブ５２）に連結されているが、爪部６２の側には連結されていない。これにより、補強リブ６４によって、板状部６０自体の剛性を確保しつつ、爪部６２は開く方向に撓みやすいので、ワイヤ部材３６を組み付けやすい。 In the cover member 48, the engaging portions 56 are provided at a plurality of locations, and the reinforcing ribs 64 provided on the plurality of engaging portions 56 are connected to the second reinforcing rib (lateral rib 52). However, it is not connected to the claw 62 side. Accordingly, the reinforcing rib 64 secures the rigidity of the plate-like portion 60 itself, and the claw portion 62 is easily bent in the opening direction, so that the wire member 36 is easily assembled.

上述したように、カバー部材４８は、シートクッション１４の底面を覆うカバー部材４８であり、シートクッション１４には乗員を支持するための乗員支持プレート３２が設けられ、カバー部材４８の係合部５６は、平面視で乗員支持プレート３２を避けた位置に設けられる（図６参照）。この構成により、係合部５６と乗員支持プレート３２との干渉を抑制することができる。 As described above, the cover member 48 is the cover member 48 that covers the bottom surface of the seat cushion 14. The seat cushion 14 is provided with the occupant support plate 32 for supporting the occupant, and the engaging portion 56 of the cover member 48. Is provided at a position avoiding the occupant support plate 32 in plan view (see FIG. 6). With this configuration, interference between the engaging portion 56 and the occupant support plate 32 can be suppressed.

特に、本実施形態の場合、カバー部材４８の係合部５６は２箇所にあり、２箇所の係合部５６の間に乗員支持プレート３２が配置されるので、係合部５６と乗員支持プレート３２との干渉を一層好適に抑制することができる。 In particular, in the case of the present embodiment, there are two engaging portions 56 of the cover member 48, and the occupant support plate 32 is disposed between the two engaging portions 56. Interference with 32 can be more suitably suppressed.

なお、移動規制機構７０は、上述した規制凸状部７４及びプレート部材７８に代わる構成として、図５において仮想線で示すように、カバー部材４８の組付状態でカバー部材４８に当接する規制部材８０を有してもよい。この場合、規制部材８０は、フレーム２６の前部フレーム２８に溶接等により固着され、複数の係合部５６よりも左側、すなわち複数の係合部５６の外側に位置してよい。規制部材８０は、例えば、プレート状に形成され得る。 Note that the movement restricting mechanism 70 is configured to replace the restricting convex portion 74 and the plate member 78 described above, and as shown by the phantom line in FIG. 80 may be included. In this case, the regulating member 80 may be fixed to the front frame 28 of the frame 26 by welding or the like, and may be positioned on the left side of the plurality of engaging portions 56, that is, outside the plurality of engaging portions 56. The regulating member 80 can be formed in a plate shape, for example.

このような規制部材８０によっても、上述した規制凸状部７４及びプレート部材７８（図１０参照）と同等の機能を発揮することができる。すなわち、規制部材８０は、カバー部材４８の組付状態でカバー部材４８に当接するので、カバー部材４８の上下方向（厚さ方向）のガタツキを抑制することができる。 Such a regulating member 80 can also exhibit functions equivalent to those of the regulating convex portion 74 and the plate member 78 (see FIG. 10) described above. That is, the regulating member 80 abuts against the cover member 48 in the assembled state of the cover member 48, and thus the backlash in the vertical direction (thickness direction) of the cover member 48 can be suppressed.

このように、本実施形態に係るシート１２は、上述したフレーム２６に設けられたワイヤ部材３６と、カバー部材４８に設けられた係合部５６と、カバー部材４８の移動を規制する移動規制機構７０とを有するカバー部材取付構造を備えるものである。 As described above, the seat 12 according to this embodiment includes the wire member 36 provided on the frame 26 described above, the engagement portion 56 provided on the cover member 48, and a movement restriction mechanism that restricts the movement of the cover member 48. And a cover member mounting structure having 70.

次に、カバー部材４８の剛性を向上させるための構造について説明する。 Next, a structure for improving the rigidity of the cover member 48 will be described.

図５に示すように、カバー部材４８には、フット部１６を通すための左右方向に延在する開口部８３が設けられる。図示例の開口部８３は、左右方向に長軸を有する略長方形状である。また、図３に示すように、カバー部材４８には、左右のサイドフット４２Ｌ、４２Ｒをそれぞれ収容可能な左右の収容凹部８４（８４Ｌ、８４Ｒ）が設けられる。 As shown in FIG. 5, the cover member 48 is provided with an opening 83 extending in the left-right direction for passing the foot portion 16. The opening 83 in the illustrated example has a substantially rectangular shape having a long axis in the left-right direction. As shown in FIG. 3, the cover member 48 is provided with left and right accommodation recesses 84 (84L, 84R) that can accommodate the left and right side feet 42L, 42R, respectively.

収容凹部８４の各々は、シートクッション１４の底面側（フレーム２６側）に向けて凹む溝形状であり、開口部８３よりも後方側に設けられる。収容凹部８４の各々は、延在方向の一端（前端）が開口部８３に臨む。収容凹部８４の各々は、後方に向かうに従って溝深さが浅くなっている。なお、左側の収容凹部８４Ｌは、フット部１６の左側のサイドフット４２Ｌの屈曲形状に合わせて屈曲している。 Each of the accommodating recesses 84 has a groove shape that is recessed toward the bottom surface side (frame 26 side) of the seat cushion 14, and is provided on the rear side of the opening 83. Each of the accommodating recesses 84 has one end (front end) in the extending direction facing the opening 83. Each of the accommodating recesses 84 has a groove depth that decreases toward the rear. The left housing recess 84L is bent in accordance with the bent shape of the left side foot 42L of the foot portion 16.

図５、図７及び図１１に示すように、カバー部材４８には、さらに、左右の収容凹部８４（８４Ｌ、８４Ｒ）を連結する補強部８６が設けられる。本実施形態では、補強部８６は、開口部８３の近傍で、開口部８３の長軸方向（左右方向）に沿って直線状に延在し、一端部が、左側の収容凹部８４Ｌの右側壁８４Ｌａの前方端部近傍に連結し、他端部が、右側の収容凹部８４Ｒの左側壁８４Ｒａの前方端部近傍に連結する。本実施形態の場合、補強部８６は、シートクッション１４の底面側に突出する断面コ字形状（Ｕ字形状）の凸部８７である。 As shown in FIGS. 5, 7, and 11, the cover member 48 is further provided with a reinforcing portion 86 that connects the left and right receiving recesses 84 (84 L, 84 R). In the present embodiment, the reinforcing portion 86 extends linearly in the vicinity of the opening 83 along the long axis direction (left-right direction) of the opening 83, and one end thereof is the right side wall of the left housing recess 84L. The other end is connected to the vicinity of the front end of the left side wall 84Ra of the right receiving recess 84R. In the case of the present embodiment, the reinforcing portion 86 is a convex portion 87 having a U-shaped cross section (U shape) protruding toward the bottom surface side of the seat cushion 14.

このように、本実施形態では、カバー部材４８に左右の収容凹部８４が設けられるため剛性を向上させることができる。また、カバー部材４８には左右の収容凹部８４を連結する補強部８６が設けられるため、左右の収容凹部８４による剛性向上に加え、補強部８６によっても剛性を向上させることができる。よって、シート用カバー２４の剛性を向上させることができる。 Thus, in this embodiment, since the left and right accommodating recesses 84 are provided in the cover member 48, the rigidity can be improved. In addition, since the cover member 48 is provided with the reinforcing portions 86 that connect the left and right receiving recesses 84, the rigidity can be improved by the reinforcing portions 86 in addition to the improvement in rigidity by the left and right receiving recesses 84. Therefore, the rigidity of the seat cover 24 can be improved.

また、補強部８６は、シートクッション１４の底面側に突出する断面コ字形状の凸部８７であるため、補強部８６と連結した収容凹部８４の剛性を効果的に向上させつつ、カバー部材４８の大型化を抑制することができる。 Further, since the reinforcing portion 86 is a convex portion 87 having a U-shaped cross section that protrudes toward the bottom surface side of the seat cushion 14, the cover member 48 is effectively improved while improving the rigidity of the housing concave portion 84 connected to the reinforcing portion 86. Increase in size can be suppressed.

次に、カバー部材４８に対するキャップ部材５０の取付けに関する構造について説明する。 Next, a structure related to attachment of the cap member 50 to the cover member 48 will be described.

キャップ部材５０は、カバー部材４８に設けられた開口部８３の形状に適合するように形成されており、全体として、長軸が左右方向を向いた略長方形状である。図７及び図１１に示すように、カバー部材４８には、キャップ部材５０に設けられた複数の突片９０が取り付けられる複数の取付部９２が、開口部８３の周囲に間隔をおいて配置される。具体的には、開口部８３の前方、後方及び左右に、それぞれ取付部９２が配置される。これらの取付部９２のうち、左右の収容凹部８４の間に配置される取付部９２（孔部９４ａ）は、補強部８６と並んで配置される。 The cap member 50 is formed so as to match the shape of the opening 83 provided in the cover member 48, and as a whole, the cap member 50 has a substantially rectangular shape with the major axis facing the left-right direction. As shown in FIGS. 7 and 11, the cover member 48 is provided with a plurality of attachment portions 92 to which the plurality of protrusions 90 provided on the cap member 50 are attached at intervals around the opening 83. The Specifically, the attachment portions 92 are disposed on the front, rear, and left and right sides of the opening 83, respectively. Of these attachment portions 92, the attachment portions 92 (hole portions 94 a) disposed between the left and right accommodation recesses 84 are disposed side by side with the reinforcing portion 86.

本実施形態の場合、取付部９２は孔部９４である。キャップ部材５０の外周部に間隔をおいて設けられた突片９０が、それぞれ孔部９４に挿入されて、各突片９０と各孔部９４とが係合する。複数の孔部９４のうち左右の収容凹部８４の間に設けられた孔部９４ａは、補強部８６（凸部８７）の延在方向（左右方向）に沿って延びる長孔状に形成される。孔部９４ａは、補強部８６の延在方向に沿って間隔をおいて複数（図示例では、３つ）配置される。また、孔部９４ａは、補強部８６よりも後方に配置される。 In the present embodiment, the attachment portion 92 is a hole portion 94. The projecting pieces 90 provided at intervals on the outer peripheral portion of the cap member 50 are inserted into the hole portions 94, and the projecting pieces 90 and the respective hole portions 94 are engaged with each other. Of the plurality of holes 94, the hole 94 a provided between the left and right accommodation recesses 84 is formed in a long hole shape extending along the extending direction (left-right direction) of the reinforcing portion 86 (convex portion 87). . A plurality (three in the illustrated example) of the hole portions 94a are arranged at intervals along the extending direction of the reinforcing portion 86. Further, the hole portion 94 a is disposed behind the reinforcing portion 86.

図１１に示すように、少なくとも１つの孔部９４ａの左右両側で、当該孔部９４ａよりも補強部８６側には、下方（カバー部材４８の外面側；キャップ部材５０側）に突出する突起部９６が設けられるとよい。図１１では、３つの孔部９４ａのうち、右側及び左側の孔部９４ａの左右両側に突起部９６が設けられる。なお、開口部８３の前辺側に設けられた少なくとも１つの孔部９４の左右両側で、孔部９４よりも開口部８３側にも、下方に突出する突起部９６が設けられるとよい。 As shown in FIG. 11, on both the left and right sides of at least one hole 94a, a protrusion projecting downward (on the outer surface side of the cover member 48; on the cap member 50) on the reinforcing part 86 side of the hole 94a. 96 may be provided. In FIG. 11, of the three holes 94a, the protrusions 96 are provided on both the left and right sides of the right and left holes 94a. In addition, it is good to provide the protrusion part 96 which protrudes below also in the opening part 83 side rather than the hole part 94 in the right-and-left both sides of the at least 1 hole part 94 provided in the front side side of the opening part 83.

図１３に示すように、キャップ部材５０の外周部のうち前辺に設けられた突片９０ａは、前方に突出する。一方、キャップ部材５０の外周部のうち側辺に設けられた突片９０ｂと、後辺に設けられた突片９０ｃは、いずれも上方に突出するとともに、係合爪９１を有する。 As shown in FIG. 13, the protruding piece 90 a provided on the front side of the outer peripheral portion of the cap member 50 protrudes forward. On the other hand, the projecting piece 90b provided on the side of the outer periphery of the cap member 50 and the projecting piece 90c provided on the rear side both protrude upward and have an engaging claw 91.

図７に示すように、カバー部材４８に対してキャップ部材５０を取り付けた状態で、突片９０ａは、開口部８３の前側に設けられた孔部９４に挿入され、突片９０ｂは、開口部８３の左右両側に設けられた孔部９４に挿入され、突片９０ｃは、開口部８３の後側（左右の収容凹部８４の間）に設けられた孔部９４ａに挿入される。この場合、突片９０ｂと突片９０ｃが係合爪９１によって孔部９４に係合することによって、カバー部材４８からキャップ部材５０が外れることが抑制される。 As shown in FIG. 7, with the cap member 50 attached to the cover member 48, the projecting piece 90a is inserted into the hole 94 provided on the front side of the opening 83, and the projecting piece 90b is opened to the opening. The protrusions 90c are inserted into holes 94a provided on the rear side of the opening 83 (between the left and right receiving recesses 84). In this case, the protrusion 90 b and the protrusion 90 c are engaged with the hole 94 by the engaging claw 91, thereby preventing the cap member 50 from being detached from the cover member 48.

また、図１３に示すように、キャップ部材５０には、左右方向に延在し且つ互いに対向するリブ９８の組が設けられる。カバー部材４８に対してキャップ部材５０を取り付けた状態では、当該リブ９８間に、カバー部材４８に設けられた上述した突起部９６（図１１参照）が配置される。本実施形態の場合、対向するリブ９８の組は、キャップ部材５０の前辺部と後辺部とにそれぞれ設けられており、前側のリブ９８の組における前側のリブ９８に上述した突片９０ａが設けられ、後側のリブ９８の組における後側のリブ９８に上述した突片９０ｃが設けられる。 As shown in FIG. 13, the cap member 50 is provided with a set of ribs 98 extending in the left-right direction and facing each other. In the state where the cap member 50 is attached to the cover member 48, the above-described protrusion 96 (see FIG. 11) provided on the cover member 48 is disposed between the ribs 98. In the case of the present embodiment, the pair of opposing ribs 98 are provided on the front side and the rear side of the cap member 50, respectively, and the protruding piece 90a described above is formed on the front side rib 98 in the front side rib 98 group. Is provided, and the protruding piece 90c described above is provided on the rear rib 98 in the set of the rear ribs 98.

上述したように、本実施形態では、取付部９２が補強部８６と並んで、補強部８６の近傍に配置されるため、取付部９２の剛性を向上させることができ、カバー部材４８に対してキャップ部材５０を安定して取り付けることができる。 As described above, in the present embodiment, since the attachment portion 92 is arranged in the vicinity of the reinforcement portion 86 along with the reinforcement portion 86, the rigidity of the attachment portion 92 can be improved. The cap member 50 can be attached stably.

また、本実施形態の場合、孔部９４ａの左右両側で孔部９４ａよりも補強部８６側には、突起部９６が設けられるので、孔部９４ａと補強部８６の両方の剛性向上に寄与する。さらに、キャップ部材５０においてカバー部材４８の取付部９２に対向する部分に設けられた互いに対向するリブ９８間に、突起部９６が配置されるので、キャップ部材５０の取付状態でのガタツキを抑制することができる。本実施形態の場合、対向するリブ９８の組は、キャップ部材５０の前辺部と後辺部とにそれぞれ設けられるので、キャップ部材５０の取付状態でのガタツキを一層抑制することができる。 In the case of the present embodiment, the protrusions 96 are provided on the left and right sides of the hole 94a closer to the reinforcing part 86 than the hole 94a. This contributes to improving the rigidity of both the hole 94a and the reinforcing part 86. . Furthermore, since the protrusions 96 are arranged between the ribs 98 facing each other provided on the portion of the cap member 50 that faces the mounting portion 92 of the cover member 48, rattling in the mounting state of the cap member 50 is suppressed. be able to. In the case of the present embodiment, the set of opposing ribs 98 is provided on the front side portion and the rear side portion of the cap member 50, respectively, so that backlash in the attached state of the cap member 50 can be further suppressed.

図１１に示すように、収容凹部８４には、キャップ部材５０の一部（後述するフット用凹部１２２の側壁部）を収容する収容溝１００が設けられる。具体的には、各収容凹部８４において、内側の側壁（収容凹部８４Ｌの右側壁８４Ｌａ、収容凹部８４Ｒの左側壁８４Ｒａ）の前方端部に収容溝１００がそれぞれ設けられ、収容溝１００に補強部８６が連結する。すなわち、補強部８６の一端（左端）が、左側の収容凹部８４Ｌにおける右側壁８４Ｌａに設けられた収容溝１００に連結し、補強部８６の他端（右端）が、右側の収容凹部８４Ｒにおける左側壁８４Ｒａに設けられた収容溝１００に連結する。 As shown in FIG. 11, the accommodation recess 84 is provided with an accommodation groove 100 that accommodates a part of the cap member 50 (a side wall portion of a foot recess 122 described later). Specifically, in each housing recess 84, a housing groove 100 is provided at the front end of the inner side wall (the right side wall 84La of the housing recess 84L and the left side wall 84Ra of the housing recess 84R). 86 connects. That is, one end (left end) of the reinforcing portion 86 is connected to the receiving groove 100 provided in the right wall 84La of the left receiving recess 84L, and the other end (right end) of the reinforcing portion 86 is connected to the left side of the right receiving recess 84R. It connects with the accommodation groove | channel 100 provided in wall 84Ra.

このように、本実施形態の場合、収容凹部８４には、キャップ部材５０の一部を収容する収容溝１００が設けられ、収容溝１００に補強部８６が連結するので、収容溝１００の剛性を向上させることができる。 As described above, in the present embodiment, the accommodation recess 84 is provided with the accommodation groove 100 that accommodates a part of the cap member 50, and the reinforcing portion 86 is connected to the accommodation groove 100. Can be improved.

図５、図７、図１１に示すように、カバー部材４８には、下方に突出する支持凸部１０２が、補強部８６から一体的に設けられる。支持凸部１０２は、シート１２の折り畳み状態で、後述するフレーム２６のフロア受け部１０６とともに、シートクッション１４側からの荷重を受ける部分である。具体的には、支持凸部１０２は、左右方向に間隔をおいて２つ設けられる。２つの支持凸部１０２は、平面視で開口部８３内に位置する。 As shown in FIGS. 5, 7, and 11, the cover member 48 is integrally provided with a support convex portion 102 that protrudes downward from a reinforcing portion 86. The support convex portion 102 is a portion that receives a load from the seat cushion 14 side together with a floor receiving portion 106 of the frame 26 to be described later when the seat 12 is folded. Specifically, two support convex portions 102 are provided at intervals in the left-right direction. The two support protrusions 102 are located in the opening 83 in plan view.

支持凸部１０２は、全体としてカバー部材４８から下方に突出する形状を有しており、本実施形態では、断面Ｌ字形状の側壁１０３と、側壁１０３の下端に連なる平板状の底板部１０４を有する。なお、側壁１０３の断面形状は、コ字形状（Ｕ字形状）、Ｉ字形状（Ｈ形状）、四角形状等の多角形状であってもよい。 The support convex part 102 has a shape that protrudes downward from the cover member 48 as a whole, and in this embodiment, a side wall 103 having an L-shaped cross section and a flat bottom plate part 104 connected to the lower end of the side wall 103 are provided. Have. The cross-sectional shape of the side wall 103 may be a U shape (U shape), an I shape (H shape), or a polygonal shape such as a square shape.

このように、カバー部材４８において、支持凸部１０２は補強部８６から一体的に設けられるため、支持凸部１０２の剛性を効果的に向上させることができる。 Thus, in the cover member 48, since the support convex part 102 is integrally provided from the reinforcement part 86, the rigidity of the support convex part 102 can be improved effectively.

次に、フレーム２６、カバー部材４８及びキャップ部材５０の相互固定構造について説明する。 Next, the mutual fixing structure of the frame 26, the cover member 48, and the cap member 50 will be described.

図５及び図６に示すように、フレーム２６は、さらに、シートクッション１４の底面側から突出するフロア受け部１０６を有する。本実施形態では、左右方向に間隔をおいて２つのフロア受け部１０６が設けられる。左右のフロア受け部１０６は、左右のフット支持部材４４における互いに対向する側にそれぞれ連結される。従って、フロア受け部１０６は、左右のサイドフット４２Ｌ、４２Ｒの内側に配置される。 As shown in FIGS. 5 and 6, the frame 26 further includes a floor receiving portion 106 that protrudes from the bottom surface side of the seat cushion 14. In the present embodiment, two floor receiving portions 106 are provided at intervals in the left-right direction. The left and right floor receiving portions 106 are respectively connected to opposite sides of the left and right foot support members 44. Accordingly, the floor receiving portion 106 is disposed inside the left and right side feet 42L and 42R.

図１４に示すように、フロア受け部１０６の底部１０７には、位置決め孔１０９（第１位置決めメス部）が設けられる。また、フロア受け部１０６の底部１０７には、締結部品（ネジ等）が挿入される固定用孔１１０が設けられる。 As shown in FIG. 14, a positioning hole 109 (first positioning female portion) is provided in the bottom portion 107 of the floor receiving portion 106. Further, a fixing hole 110 into which a fastening component (screw or the like) is inserted is provided in the bottom 107 of the floor receiving unit 106.

一方、カバー部材４８における上述した支持凸部１０２の底板部１０４には、上方に突出する位置決めピン１１１（第１位置決めオス部）と、位置決め孔１１２（第２位置決めメス部）とが設けられる。 On the other hand, a positioning pin 111 (first positioning male part) and a positioning hole 112 (second positioning female part) projecting upward are provided on the bottom plate part 104 of the support convex part 102 described above in the cover member 48.

図１３及び図１４に示すように、キャップ部材５０のうち、フレーム２６のフロア受け部１０６を覆う部分は、表側（下方）に向けて突出する中空構造の凸形状部１１４となっている。凸形状部１１４の底部１１５には、上方に突出する位置決め凸部１１６（第２位置決めオス部）が設けられる。 As shown in FIGS. 13 and 14, a portion of the cap member 50 that covers the floor receiving portion 106 of the frame 26 is a convex portion 114 having a hollow structure that protrudes toward the front side (downward). A positioning convex portion 116 (second positioning male portion) protruding upward is provided on the bottom 115 of the convex portion 114.

フレーム２６のフロア受け部１０６、カバー部材４８の支持凸部１０２及びキャップ部材５０の凸形状部１１４は、上記のように構成されており、これらの組付状態において、カバー部材４８は、フロア受け部１０６の底部１０７と凸形状部１１４の底部１１５との間に挟まれる。 The floor receiving portion 106 of the frame 26, the support convex portion 102 of the cover member 48, and the convex shape portion 114 of the cap member 50 are configured as described above. In these assembled states, the cover member 48 is the floor receiver. It is sandwiched between the bottom 107 of the part 106 and the bottom 115 of the convex part 114.

また、組付状態において、カバー部材４８に設けられた位置決めピン１１１は、フロア受け部１０６に設けられた位置決め孔１０９に挿入され、キャップ部材５０に設けられた位置決め凸部１１６は、カバー部材４８に設けられた位置決め孔１１２に挿入される。さらに、キャップ部材５０の凸形状部１１４に設けられた貫通孔１１７を介して、フロア受け部１０６の底部１０７に設けられた固定用孔１１０に締結部品が挿入されることで、凸形状部１１４の底部１１５とフロア受け部１０６の底部１０７とが相互固定される。 Further, in the assembled state, the positioning pin 111 provided in the cover member 48 is inserted into the positioning hole 109 provided in the floor receiving portion 106, and the positioning convex portion 116 provided in the cap member 50 is inserted into the cover member 48. Is inserted into the positioning hole 112 provided in the. Further, the fastening part 114 is inserted into the fixing hole 110 provided in the bottom part 107 of the floor receiving part 106 through the through hole 117 provided in the convex part 114 of the cap member 50, so that the convex part 114. The bottom portion 115 of the floor and the bottom portion 107 of the floor receiving portion 106 are fixed to each other.

このように、本実施形態では、フロア受け部１０６の底部１０７とキャップ部材５０との間にカバー部材４８が挟まれることによって、カバー部材４８が安定的に固定される。従って、カバー部材４８の取付剛性（シートクッション１４に対するカバー部材４８の固定強度）を向上させることができる。 Thus, in this embodiment, the cover member 48 is stably fixed by the cover member 48 being sandwiched between the bottom 107 of the floor receiving portion 106 and the cap member 50. Therefore, the mounting rigidity of the cover member 48 (fixing strength of the cover member 48 with respect to the seat cushion 14) can be improved.

また、本実施形態の場合、フロア受け部１０６の底部１０７は、カバー部材４８に設けられた位置決めピン１１１が挿入される位置決め孔１０９を有するので、フロア受け部１０６に対してカバー部材４８を位置決めしやすくなり、組立作業性を向上させることができる。 In the case of the present embodiment, the bottom 107 of the floor receiving portion 106 has a positioning hole 109 into which a positioning pin 111 provided in the cover member 48 is inserted, so that the cover member 48 is positioned with respect to the floor receiving portion 106. As a result, assembly workability can be improved.

さらに、本実施形態の場合、カバー部材４８は、キャップ部材５０に設けられた位置決め凸部１１６が挿入される位置決め孔１１２を有するので、組立時に、カバー部材４８に対してキャップ部材５０を位置決めしやすくなり、組立作業性を向上させることができる。 Further, in the case of the present embodiment, the cover member 48 has the positioning hole 112 into which the positioning convex portion 116 provided in the cap member 50 is inserted, so that the cap member 50 is positioned with respect to the cover member 48 during assembly. As a result, the assembly workability can be improved.

本実施形態の場合、キャップ部材５０の位置決め凸部１１６において、キャップ部材５０とフロア受け部１０６とが固定されるので、剛性の高い箇所で、キャップ部材５０とフロア受け部１０６とを固定することができる。 In the case of this embodiment, since the cap member 50 and the floor receiving portion 106 are fixed at the positioning convex portion 116 of the cap member 50, the cap member 50 and the floor receiving portion 106 are fixed at a highly rigid location. Can do.

本実施形態の場合、フット部１６を支持するフット支持部材４４にフロア受け部１０６が設けられるため（図５参照）、フット部１６とフロア受け部１０６の互いの剛性を向上させ、シート１２を一層安定してフロアＦに収容することができる。 In the case of this embodiment, since the floor receiving part 106 is provided in the foot support member 44 that supports the foot part 16 (see FIG. 5), the mutual rigidity of the foot part 16 and the floor receiving part 106 is improved, and the seat 12 is The floor F can be more stably accommodated.

特に、本実施形態の場合、左右のサイドフット４２Ｌ、４２Ｒの内側にフロア受け部１０６が配置されるので、フロア受け部１０６が効率よく配置される。従って、フロア受け部１０６を設けることによるシート１２の大型化を抑制することができる。 In particular, in the case of the present embodiment, the floor receiving portion 106 is arranged inside the left and right side feet 42L and 42R, and therefore the floor receiving portion 106 is efficiently arranged. Therefore, an increase in the size of the sheet 12 due to the provision of the floor receiving portion 106 can be suppressed.

また、キャップ部材５０は、フロア受け部１０６の底部１０７に対して固定される。この構成によれば、シート１２底部とフロアＦとの当接時に、フロア受け部１０６とキャップ部材５０とのガタツキを抑制することができる。 Further, the cap member 50 is fixed to the bottom portion 107 of the floor receiving portion 106. According to this configuration, the backlash between the floor receiving portion 106 and the cap member 50 can be suppressed when the bottom portion of the seat 12 and the floor F are in contact with each other.

本実施形態の場合、図５及び図１３に示すように、凸形状部１１４の側部に、フット部１６（具体的には、サイドフット４２Ｌ、４２Ｒ）を受け入れ可能な左右のフット用凹部１２２が一体的に設けられる。これにより、剛性の高い箇所にフット用凹部１２２が設けられるため、フット用凹部１２２を設けることによるキャップ部材５０の剛性低下を効果的に抑制することができる。フット用凹部１２２は、左右の凸形状部１１４の外側に２つ設けられる。 In the case of the present embodiment, as shown in FIGS. 5 and 13, the left and right foot recesses 122 that can receive the foot portions 16 (specifically, the side feet 42 L and 42 R) are formed on the side portions of the protruding portion 114. Are integrally provided. Thereby, since the recessed part 122 for foot is provided in a location with high rigidity, the rigidity fall of the cap member 50 by providing the recessed part 122 for foot can be suppressed effectively. Two foot recesses 122 are provided outside the left and right convex portions 114.

具体的に、フット用凹部１２２は、キャップ部材５０を上下方向に貫通し、前後方向に延在し、且つ後方に開口した切欠状に形成される。左右のフット用凹部１２２の外側の側壁１２２ａの外面には爪１２３が設けられる。一方、図１１に示すように、カバー部材４８の収容凹部８４の外側の側壁（収容凹部８４Ｌの左側壁８４Ｌｂ及び収容凹部８４Ｒの右側壁８４Ｒｂ）には係合孔１２４が設けられる。キャップ部材５０に設けられた爪１２３が、当該係合孔１２４に係合する。これにより、カバー部材４８に対するキャップ部材５０の取付剛性を向上させることができる。 Specifically, the foot recess 122 is formed in a cutout shape that penetrates the cap member 50 in the vertical direction, extends in the front-rear direction, and opens rearward. A claw 123 is provided on the outer surface of the outer side wall 122 a of the left and right foot recesses 122. On the other hand, as shown in FIG. 11, an engagement hole 124 is provided in the outer side wall (the left side wall 84Lb of the accommodation recess 84L and the right side wall 84Rb of the accommodation recess 84R) of the accommodation recess 84 of the cover member 48. A claw 123 provided on the cap member 50 engages with the engagement hole 124. Thereby, the attachment rigidity of the cap member 50 with respect to the cover member 48 can be improved.

上述した実施形態では、シートクッション１４の底面に取り付けられるシート用カバー２４（カバー部材４８）を例示したが、シートバック１８の背面に取り付けられるシート用カバー２４（カバー部材４８）として構成されてもよい。また、本発明は、車両用シート１０（シート１２、１３）以外の乗物用シート、例えば、船舶や航空機等で使用されるシートに適用することもできる。 In the embodiment described above, the seat cover 24 (cover member 48) attached to the bottom surface of the seat cushion 14 is illustrated, but the seat cover 24 (cover member 48) attached to the back surface of the seat back 18 may be configured. Good. The present invention can also be applied to vehicle seats other than the vehicle seat 10 (seats 12 and 13), for example, seats used in ships, aircrafts, and the like.

上記において、本発明について好適な実施形態を挙げて説明したが、本発明は前記実施形態に限定されるものではなく、本発明の要旨を逸脱しない範囲において、種々の改変が可能なことは言うまでもない。 In the above description, the present invention has been described with reference to preferred embodiments. However, the present invention is not limited to the above-described embodiments, and various modifications can be made without departing from the scope of the present invention. Yes.

１０…車両用シート１２、１３…シート
１４…シートクッション１６…フット部
２４…シート用カバー２６…シートクッションフレーム
３２、３４…乗員支持プレート３６、３８…ワイヤ部材
４２Ｌ、４２Ｒ…サイドフット４８…カバー部材
５０…キャップ部材５１、５２、９８…リブ
５６…係合部６０…板状部
７２…規制突出部７４…規制凸状部
８０…規制部材８３…開口部
８４…収容凹部８６…補強部
９２…取付部１０２…支持凸部
１０６…フロア受け部１０９、１１２…位置決め孔
１１１…位置決めピン１１６…位置決め凸部 DESCRIPTION OF SYMBOLS 10 ... Vehicle seat 12, 13 ... Seat 14 ... Seat cushion 16 ... Foot part 24 ... Seat cover 26 ... Seat cushion frame 32, 34 ... Passenger support plate 36, 38 ... Wire member 42L, 42R ... Side foot 48 ... Cover Member 50: Cap member 51, 52, 98 ... Rib 56 ... Engagement part 60 ... Plate-like part 72 ... Restriction protrusion part 74 ... Restriction convex part 80 ... Restriction member 83 ... Opening part 84 ... Housing recessed part 86 ... Reinforcement part 92 ... Mounting part 102 ... Supporting convex part 106 ... Floor receiving part 109, 112 ... Positioning hole 111 ... Positioning pin 116 ... Positioning convex part

Claims

A cover member mounting structure having a shape along the shape of the outer peripheral portion of the frame of the seat body, and attaching a cover member that partially covers the bottom surface of the seat body to the seat body,
An engaged portion provided in the seat body;
An engagement portion provided on the cover member and engaged with the engaged portion;
A movement restricting mechanism for restricting the movement of the cover member relative to the sheet body in the assembled state of the cover member ,
The movement restricting mechanism has a restricting convex portion protruding from the cover member toward the seat body,
In the assembled state of the cover member, the restricting convex portion abuts on the seat body.
A cover member mounting structure characterized by that.

A cover member mounting structure having a shape along the shape of the outer peripheral portion of the frame of the seat body, and attaching a cover member partially covering the bottom surface of the seat body to the seat body,
An engaged portion provided in the seat body;
An engagement portion provided on the cover member and engaged with the engaged portion;
A movement restricting mechanism for restricting the movement of the cover member relative to the sheet body in the assembled state of the cover member,
The cover member is provided with a plurality of the engaging portions in the width direction of the seat body,
The movement restricting mechanism has a restricting convex portion that protrudes from the cover member toward the seat main body and contacts the seat main body, and the restrictive convex portion is disposed on the outer side in the width direction of the plurality of engaging portions. Is provided
A cover member mounting structure characterized by that.

In the cover member mounting structure according to claim 1 or 2 ,
The movement restricting mechanism has a restricting protrusion that protrudes from the cover member toward the seat body,
In the assembled state of the cover member, the restricting protrusion comes into contact with the engaged portion.
A cover member mounting structure characterized by that.

A cover member mounting structure having a shape along the shape of the outer peripheral portion of the frame of the seat body, and attaching a cover member partially covering the bottom surface of the seat body to the seat body,
An engaged portion provided in the seat body;
An engagement portion provided on the cover member and engaged with the engaged portion;
A movement restricting mechanism for restricting the movement of the cover member relative to the sheet body in the assembled state of the cover member,
The engaging portion includes a plate-like portion facing each other, a claw portion protruding from one surface of the plate-like portion toward the other plate-like portion, and a side opposite to the claw portion of the plate-like portion. A reinforcing rib formed on the surface of
The reinforcing rib is provided at a position avoiding the back side of the claw portion.
A cover member mounting structure characterized by that.

In the cover member mounting structure according to any one of claims 1 to 4 ,
The movement restricting mechanism has a restricting protrusion that protrudes from the cover member toward the seat body,
The engaged portion is a rod-shaped member,
The regulating protrusion is provided with a biasing portion that presses the rod-shaped member against the engaging portion.
A cover member mounting structure characterized by that.

In the cover member mounting structure according to any one of claims 1 to 5 ,
The movement restricting mechanism has a restricting protrusion that protrudes from the cover member toward the seat body,
The engaging part and the restricting protruding part are integrally formed with the cover member,
The engaging portion and the restricting protruding portion are disposed adjacent to each other through a gap.
A cover member mounting structure characterized by that.

In the cover member mounting structure according to any one of claims 1 to 6 ,
The movement restricting mechanism has a restricting protrusion that protrudes from the cover member toward the seat body,
The engaging portion has plate-like portions facing each other,
The restriction projecting portion has at least a length straddling between the root portions of the plate-like portion,
A cover member mounting structure characterized by that.

In the cover member mounting structure according to any one of claims 1 to 7 ,
The movement restricting mechanism has a restricting convex portion protruding from the cover member toward the seat body,
The seat body has a frame provided with a plate member,
In the assembled state of the cover member, the restricting convex portion abuts on the plate member.
A cover member mounting structure characterized by that.