JP6252643B1 - Vehicle floor structure - Google Patents

Vehicle floor structure Download PDF

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JP6252643B1
JP6252643B1 JP2016192056A JP2016192056A JP6252643B1 JP 6252643 B1 JP6252643 B1 JP 6252643B1 JP 2016192056 A JP2016192056 A JP 2016192056A JP 2016192056 A JP2016192056 A JP 2016192056A JP 6252643 B1 JP6252643 B1 JP 6252643B1
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JP2018052361A (en
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亮 荒木
亮 荒木
利憲 豊原
利憲 豊原
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Mazda Motor Corp
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Abstract

【課題】３列目シートに空調風を供給するリアフットダクトを有する車両のフロア構造において、２列目中央部を３列目への通路部とした場合に、通路部に配設されているリアフットダクト上面部に生じる乗員の踏込荷重によるリアフットダクトの変形及び破損を抑制する。【解決手段】キックアップ部３３に固定されてリアフットダクトを保護するダクト保護部材４０が、リアフットダクトにおける中間ダクト部２２、２２を上方から覆う荷重受け部と、中間ダクト部２２、２２とキックアップ部３３との間に位置し、荷重受け部への荷重作用時にキックアップ部３３に当接する荷重支持部４３ａ、４３ａ’、４３ｂ、４４とを有し、該荷重のモーメントを荷重支持部４３ａ、４３ａ’、４３ｂ、４４とキックアップ部３３の当接面Ｚで受けることで、中間ダクト部２２、２２に直接荷重がかかることが回避され、リアフットダクトの変形や破損を防止できる。【選択図】図６In a vehicle floor structure having a rear foot duct for supplying conditioned air to a third row seat, the center portion of the second row is a passage portion to the third row, and is arranged in the passage portion. Suppresses deformation and breakage of the rear foot duct due to the passenger's stepping load generated on the upper surface of the rear foot duct. A duct protection member 40 that is fixed to a kick-up portion 33 and protects a rear foot duct includes a load receiving portion that covers the intermediate duct portions 22 and 22 of the rear foot duct from above, and the intermediate duct portions 22 and 22. A load support portion 43a, 43a ′, 43b, 44 that is positioned between the kick-up portion 33 and abuts against the kick-up portion 33 when a load is applied to the load receiving portion; By receiving at 43a, 43a ', 43b, 44 and the contact surface Z of the kick-up part 33, it is avoided that a load is directly applied to the intermediate duct parts 22, 22, and deformation and breakage of the rear foot duct can be prevented. [Selection] Figure 6

Description

本発明は車両のフロア構造、特に車室の後部側に空調風を供給するリアフットダクトを有する車両のフロア構造に関し、車体構造の技術分野に属する。   The present invention relates to a vehicle floor structure, and more particularly to a vehicle floor structure having a rear foot duct for supplying conditioned air to the rear side of a passenger compartment.

車両の車室内において、車両前後方向に３列のシートが配置された車両においては、
車室の車幅方向中央に設けられたセンターコンソール内にリア空調ユニットを配設するとともに、リア空調ユニットから３列目シートに着座する乗員の足元に空調風を供給する技術として、リア空調ユニットから２列目シートの下方まで延び、リア空調ユニットから出力される空調風を３列目シートに着座する乗員の足元へ供給するリアフットダクトが知られている。 In a vehicle in which three rows of seats are arranged in the vehicle longitudinal direction in the vehicle interior,
The rear air conditioning unit is a technology that arranges the rear air conditioning unit in the center console provided in the center of the vehicle width direction of the passenger compartment and supplies conditioned air to the feet of passengers seated on the third row seats from the rear air conditioning unit. There is known a rear foot duct that extends to the lower side of the second row seat and supplies the conditioned air output from the rear air conditioning unit to the feet of passengers seated on the third row seat.

特許文献１には、図８に示すように、リアフットダクト１２０を有する車両１００が示されている。この車両１００の車体下部には、車室の前部床面を形成するフロントフロア１３２と、その後方に設けられ、上方へ立ち上がる縦壁で構成されるキックアップ部１３３と、さらにその後方で車室の後部床面を形成するリアフロア１３４とが設けられ、図示しないが、フロントフロア１３２には１列目シートが、リアフロア１３４には２列目及び３列目シートがそれぞれ配置されている。また、フロントフロア１３２の車幅方向中央には、車体前後方向に延び、かつ上方へ膨出するトンネル部１３５が形成されている。   Patent Document 1 shows a vehicle 100 having a rear foot duct 120 as shown in FIG. A vehicle floor of the vehicle 100 includes a front floor 132 that forms a front floor surface of a passenger compartment, a kick-up portion 133 that is provided behind the front floor 132 and includes a vertical wall that rises upward. A rear floor 134 that forms the rear floor of the chamber is provided. Although not shown, the first row seats are arranged on the front floor 132, and the second and third row seats are arranged on the rear floor 134, respectively. In addition, a tunnel portion 135 that extends in the longitudinal direction of the vehicle body and bulges upward is formed at the center of the front floor 132 in the vehicle width direction.

そして、リアフットダクト１２０は、前端部がセンターコンソール（図示せず）に配設されているリア空調ユニット１１５に接続されているとともに、トンネル部１３５の上方に配置され、車両前後方向に延びる前部ダクト部１２１と、前部ダクト部１２１の後端からキックアップ部１３３の前方で近接して車幅方向に延びる左右一対の中間ダクト部１２２、１２２と、中間ダクト部１２２、１２２の車幅方向外方側の端部から後方に延び、キックアップ部１３３に乗り上げて、３列目シートに着座する乗員の足元の空調風を供給する後部ダクト部１２３、１２３とで構成されている。   The rear foot duct 120 is connected to a rear air conditioning unit 115 whose front end is disposed in a center console (not shown), and is disposed above the tunnel portion 135 and extends in the vehicle front-rear direction. Vehicle part width, a pair of left and right intermediate duct parts 122, 122 extending in the vehicle width direction from the rear end of the front duct part 121 in front of the kick-up part 133 and extending in the vehicle width direction. The rear duct portions 123 and 123 extend rearward from the end portion on the outer side in the direction, ride on the kick-up portion 133, and supply conditioned air at the feet of the occupants seated on the third row seats.

そして、このリアフットダクト１２０は、キックアップ部１３３の上端部にボルトで固定されているが、中間ダクト部１２２、１２２の下方側には支持部材等が存在せず、キックアップ部１３３に近接し、かつ、フロントフロア１３２から上方に間隔を空けて位置する浮いた状態で配設されている。なお、このリアフットダクト１２０には、中間ダクト部１２２、１２２に２列目シートに着座する乗員の足元に空調風を供給するための開口部１２２ａ、１２２ａが設けられている。   The rear foot duct 120 is fixed to the upper end portion of the kick-up portion 133 with a bolt, but there is no support member or the like below the intermediate duct portions 122 and 122 and is close to the kick-up portion 133. In addition, it is arranged in a floating state located above the front floor 132 with a space therebetween. The rear foot duct 120 is provided with openings 122a and 122a for supplying conditioned air to the feet of passengers seated on the second row seats in the intermediate duct portions 122 and 122.

特開２０１６−１２０８０１号公報JP 2016-120801 A

ところで、３列目のシートを有する車両においては、２列目のシートの中央を座席ではなく、３列目へ通り抜け可能な通路として設ける場合が考えられる。   By the way, in a vehicle having a third row of seats, there may be a case where the center of the second row of seats is provided not as a seat but as a passage that can pass through to the third row.

この場合、特許文献１に記載の車両において、２列目中央を通路とする場合、この通路は車両の車幅方向中央に設けられ、リアフットダクト１２０も前記通路と同様に車両の車幅方向中央に配置されているため、乗員が２列目から３列目へ通り抜けする場合にリアフットダクト１２０上を通過することになり、リアフットダクト１２０に乗員の踏込荷重がかかる場合が生じうる。   In this case, in the vehicle described in Patent Document 1, when the center of the second row is a passage, this passage is provided at the center in the vehicle width direction of the vehicle, and the rear foot duct 120 is also in the vehicle width direction of the vehicle in the same manner as the passage. Since it is arranged in the center, when the occupant passes from the second row to the third row, the occupant passes over the rear foot duct 120, and the occupant's stepping load may be applied to the rear foot duct 120.

特に、リアフットダクト１２０のキックアップ部１３３の前方に配置されている中間ダクト部１２２、１２２は、前述のように下方側に支持部材等がなく、さらに中間ダクト部１２２、１２２の上方が２列目シートで覆われている特許文献１に記載のリアフットダクト１２０では、乗員の踏込荷重に耐える剛性が確保されていない。したがって、このリアフットダクト１２０を２列目中央を通路とした車両に適用した場合、踏込荷重によって中間ダクト部１２２、１２２が車両下向きに撓む変形や破損が発生する虞がある。   In particular, the intermediate duct portions 122 and 122 arranged in front of the kick-up portion 133 of the rear foot duct 120 do not have a support member or the like on the lower side as described above, and the upper portion of the intermediate duct portions 122 and 122 is 2 above. In the rear foot duct 120 described in Patent Document 1 covered with the row seats, the rigidity to withstand the occupant's stepping load is not ensured. Therefore, when this rear foot duct 120 is applied to a vehicle having a passage in the center of the second row, there is a possibility that the intermediate duct portions 122, 122 may be deformed or damaged to be bent downward by the stepping load.

そこで、本発明は、リア空調ユニットから出力される空調風を３列目シートに着座する乗員の足元へ供給するリアフットダクトを有する車両のフロア構造において、２列目から３列目への通路部に配設されているリアフットダクト上面部を乗員が踏込ながら、３列目へ移動する時に生じる踏込荷重によるリアフットダクトの変形や破損を防止することを課題とする。   Accordingly, the present invention provides a passage from the second row to the third row in a vehicle floor structure having a rear foot duct that supplies the conditioned air output from the rear air conditioning unit to the feet of passengers seated on the third row seat. It is an object of the present invention to prevent deformation and breakage of the rear foot duct due to a stepping load generated when the passenger moves to the third row while stepping on the upper surface of the rear foot duct disposed in the portion.

前記課題を解決するために、本発明に係る車両のフロア構造は、次のように構成したことを特徴とする。   In order to solve the above problems, a vehicle floor structure according to the present invention is configured as follows.

まず、請求項１に記載の発明は、
車両前方側から１列目シート、２列目シート及び３列目シートを有し、車両前部に配置された空調ユニットからの空調風を３列目シートに着座する乗員の足元へ供給するリアフットダクトが備えられた車両のフロア構造であって、
前記リアフットダクトを保護するダクト保護部材が備えられ、
該ダクト保護部材は、フロアに設けられたキックアップ部の上端部に固定されるとともに、
前記リアフットダクトにおける前記キックアップ部の前方で車幅方向に延びる中間ダクト部を上方から覆う荷重受け部と、
前記リアフットダクトの中間ダクト部と前記キックアップ部との間に位置し、前記荷重受け部への荷重作用時にキックアップ部に対接することで該荷重を支える荷重支持部と、
を有することを特徴とする。 First, the invention described in claim 1
Rear that has a first row seat, a second row seat, and a third row seat from the front side of the vehicle, and that supplies conditioned air from an air conditioning unit disposed at the front of the vehicle to the feet of a passenger sitting on the third row seat A vehicle floor structure provided with a foot duct,
A duct protection member for protecting the rear foot duct is provided,
The duct protection member is fixed to the upper end portion of the kick-up portion provided on the floor,
A load receiving portion that covers an intermediate duct portion extending in the vehicle width direction in front of the kick-up portion in the rear foot duct from above;
A load support portion that is located between the intermediate duct portion of the rear foot duct and the kick-up portion and supports the load by contacting the kick-up portion when a load is applied to the load receiving portion;
It is characterized by having.

請求項２に記載の発明は、前記請求項１に記載の発明において、
前記ダクト保護部材は、前記荷重受け部と、荷重支持部との間で閉断面を形成することを特徴とする。 The invention according to claim 2 is the invention according to claim 1,
The duct protection member forms a closed cross section between the load receiving portion and the load support portion.

請求項３に記載の発明は、前記請求項１に記載の発明において、
前記荷重受け部は、車体のトンネル部を跨いで両側に延びて設けられており、
前記荷重支持部は、前記トンネル部を挟んだ両側に設けられていることを特徴とする。 The invention according to claim 3 is the invention according to claim 1,
The load receiving portion is provided to extend on both sides across the tunnel portion of the vehicle body,
The load support part is provided on both sides of the tunnel part.

請求項４に記載の発明は、前記請求項１から請求項３のいずれか１項に記載の発明において、
前記中間ダクト部の前面には、２列目シートに着座する乗員の足元への空調風の吹き出し部となる開口部が設けられ、
前記荷重受け部は、前記開口部の上方に対応するように配設されることを特徴とする。 The invention according to claim 4 is the invention according to any one of claims 1 to 3,
On the front surface of the intermediate duct portion, an opening serving as a blowing portion of the conditioned air to the feet of the passenger sitting on the second row seat is provided,
The load receiving portion is disposed so as to correspond to the upper portion of the opening.

まず、請求項１に記載の発明によれば、リアフットダクトにおけるキックアップ部の前方で車幅方向に延びる中間ダクト部を上方から覆う荷重受け部と、前記中間ダクト部と前記キックアップ部との間に位置し、前記荷重受け部への荷重作用時に前記キックアップ部に当接することで該荷重を支える荷重支持部とを備えることで、前記荷重受け部で発生する乗員の踏込荷重によるモーメントは、キックアップ部で受けることになるため、リアフットダクトに直接荷重がかかることを回避でき、リアフットダクトの変形や破損を防止できる。特に、２列目シートの中央が３列目シートへの乗員の移動用の通路部となっている場合に、乗員の踏込荷重によるリアフットダクトの変形や破損が防止される。   First, according to the first aspect of the present invention, the load receiving portion that covers the intermediate duct portion extending in the vehicle width direction in front of the kick-up portion in the rear foot duct from above, the intermediate duct portion, and the kick-up portion, And a load support portion that supports the load by contacting the kick-up portion when a load is applied to the load receiving portion. Since it is received at the kick-up portion, it can be avoided that a load is directly applied to the rear foot duct, and deformation and breakage of the rear foot duct can be prevented. In particular, when the center of the second row seat is a passage portion for moving the occupant to the third row seat, the rear foot duct is prevented from being deformed or damaged due to the occupant's stepping load.

なお、本発明によれば、ダクト保護部材を追加するのみで、リアフットダクトの変形や破損を防止できるため、２列目を通路とせずに座席として使用する車両で用いられるようなリアフットダクトの剛性を高める補強がなされていない仕様であっても、２列目シート中央部を通路部とする車両への適用が可能になる。   According to the present invention, since the rear foot duct can be prevented from being deformed or damaged only by adding a duct protection member, the rear foot duct used in a vehicle that is used as a seat without the passage in the second row. Even if the specification is not reinforced to increase the rigidity of the second row, it can be applied to a vehicle having the second row seat central portion as a passage portion.

また、請求項２に記載の発明によれば、前記ダクト保護部材は、荷重受け部と荷重支持部との間で閉断面を形成することで、剛性の向上が図られている。したがって、荷重受け部に上方から作用する荷重によってキックアップ部の上端部の固定部を中心とするモーメントが発生し、このモーメントが荷重支持部を介してキックアップ部に受け止められるときに、ダクト保護部材の断面変形が抑制されるとともに、前記荷重受け部自体の変形が抑制される。これにより、リアフットダクトにかかる踏込荷重をより確実に抑制することができる。   According to the invention described in claim 2, the duct protection member is improved in rigidity by forming a closed cross section between the load receiving portion and the load support portion. Therefore, the load acting on the load receiving part generates a moment centered on the fixed part at the upper end of the kick-up part, and when this moment is received by the kick-up part via the load support part, duct protection The deformation of the cross section of the member is suppressed, and the deformation of the load receiving portion itself is suppressed. Thereby, the step load applied to the rear foot duct can be more reliably suppressed.

またさらに、請求項３に記載の発明によれば、前記荷重受け部がトンネル部を跨いで両側に延び、前記トンネル部を挟んで両側で、かつ、踏込荷重のかかるリアフットダクトの後部に一対の荷重支持部を設けるので、リアフットダクトにかかる荷重が左右のどちら側からかかる場合であっても、前記ダクト保護部材の変形を抑制することができ、これによりリアフットダクトの変形や破損を防止できる。   Furthermore, according to the invention described in claim 3, the load receiving portion extends on both sides across the tunnel portion, and on both sides of the tunnel portion, and a pair of rear foot ducts where a stepping load is applied. The load supporting portion is provided, so that the deformation of the duct protection member can be suppressed regardless of whether the load applied to the rear foot duct is applied from the left or right side, thereby preventing the rear foot duct from being deformed or damaged. Can be prevented.

そして、請求項４に記載の発明によれば、中間ダクト部の前面に２列目シートに着座する乗員の足元への空調風の吹き出し部となる開口部が設けられる場合に、荷重受け部が前記開口部の上方に配設されることにより、２列目シートに着座する乗員の足元への空調風の吹き出し部となる剛性の弱い開口部の変形を抑制できる。   According to the fourth aspect of the present invention, when an opening serving as a blowing portion of the conditioned air to the feet of the passenger sitting on the second row seat is provided on the front surface of the intermediate duct portion, the load receiving portion is By disposing the opening above the opening, it is possible to suppress the deformation of the opening having a low rigidity, which serves as a blowing portion of the conditioned air to the feet of the occupant seated on the second row seat.

本発明の実施形態に係る車両の車室内の概略平面図である。1 is a schematic plan view of a vehicle interior of a vehicle according to an embodiment of the present invention. フロア上にリアフットダクト及びダクト保護部材が配置された状態を示す斜視図である。It is a perspective view which shows the state by which the rear foot duct and the duct protection member are arrange | positioned on the floor. フロア上にリアフットダクト及びダクト保護部材が配置された状態を示す平面図である。It is a top view which shows the state by which the rear foot duct and the duct protection member are arrange | positioned on the floor. 図３のＡ−Ａ線による断面図である。It is sectional drawing by the AA line of FIG. 図４のＢ−Ｂ線による断面図である。It is sectional drawing by the BB line of FIG. 図４のＣ−Ｃ線による断面図である。It is sectional drawing by CC line of FIG. 他の実施形態における図６同様の断面図である。It is sectional drawing similar to FIG. 6 in other embodiment. フロア上にリアフットダクトが配置された従来の例を示す斜視図である。It is a perspective view which shows the conventional example by which the rear foot duct was arrange | positioned on the floor.

以下、本発明に係る車両のフロア構造の実施形態について説明する。   Hereinafter, an embodiment of a vehicle floor structure according to the present invention will be described.

まず、図１により本実施形態に係る車両の構成を説明する。本実施形態に係るリアフットダクトを有する車両１の車室のフロア３０上には、車体前後方向に３列のシート１１、１２、１３が配置されている。以下、前側から１列目シート１１、２列目シート１２、３列目シート１３という。   First, the configuration of the vehicle according to the present embodiment will be described with reference to FIG. On the floor 30 of the passenger compartment of the vehicle 1 having the rear foot duct according to the present embodiment, three rows of seats 11, 12, 13 are arranged in the longitudinal direction of the vehicle body. Hereinafter, the first row sheet 11, the second row sheet 12, and the third row sheet 13 are referred to from the front side.

１列目シート１１は車幅方向において左右に分離された一対のシート１１Ｌ、１１Ｒで構成されている。２列目シート１２も、１列目シート１１と同様に、車幅方向において左右に分離された一対のシート１２Ｌ、１２Ｒで構成され、左右のシート１２Ｌ、１２Ｒの間には、２列目から３列目に通り抜けするための通路部３１が設けられている。   The first row seat 11 is composed of a pair of seats 11L and 11R that are separated to the left and right in the vehicle width direction. Similarly to the first row seat 11, the second row seat 12 is composed of a pair of seats 12L and 12R separated left and right in the vehicle width direction, and between the left and right seats 12L and 12R from the second row. A passage portion 31 for passing through the third row is provided.

各シート１１、１２、１３が配置されるフロア３０は、１列目シート１１が配置されるフロントフロア３２と、その後端部から上方に立ち上がるキックアップ部３３と、その上端から後方に延び、２列目シート１２及び３列目シート１３が配置されるリアフロア３４とを有する。また、フロントフロア３２の車幅方向中央には、車体前後方向に延び、かつ上方へ膨出するトンネル部３５が形成されている。   The floor 30 on which the respective seats 11, 12, 13 are arranged extends from the front floor 32 on which the first-row seats 11 are arranged, the kick-up portion 33 rising upward from the rear end thereof, and the rear from the upper end thereof, 2 A rear floor 34 on which the row seats 12 and the third row seats 13 are arranged. A tunnel portion 35 that extends in the longitudinal direction of the vehicle body and bulges upward is formed at the center of the front floor 32 in the vehicle width direction.

１列目シート１１の左右のシート１１Ｌ、１１Ｒの間には、センターコンソール１４が設けられており、該センターコンソール１４の内部には、車室内の後部に供給する空調風を生成するリア空調ユニット１５が収容されている。   A center console 14 is provided between the left and right seats 11L, 11R of the first row seat 11, and a rear air conditioning unit that generates conditioned air to be supplied to the rear of the vehicle interior is provided inside the center console 14. 15 is housed.

リア空調ユニット１５には、リアフットダクト２０が接続されている。リアフットダクト２０は、リア空調ユニット１５から２列目シート１２の下方まで延び、リア空調ユニット１５から出力される空調風を案内し、３列目シート１３に着座する乗員の足元へ供給する。なお、この実施形態では、２列目シート１２に着座する乗員の足元へも空調風を供給するようになっている。   A rear foot duct 20 is connected to the rear air conditioning unit 15. The rear foot duct 20 extends from the rear air conditioning unit 15 to below the second row seat 12, guides the conditioned air output from the rear air conditioning unit 15, and supplies it to the feet of passengers seated on the third row seat 13. In this embodiment, the conditioned air is also supplied to the feet of passengers seated on the second row seats 12.

図２〜図４に示すように、リアフットダクト２０は、リア空調ユニット１５から出力される空調風の導入端２０ａと、該空調風を３列目シート１３に着座する乗員の足元へ供給する送風端２０ｂとを有する。また、リアフットダクト２０は、車体前後方向に延びる前部ダクト部２１と、前部ダクト部２１の後端から車幅方向に延びる左右一対の中間ダクト部２２、２２と、中間ダクト部２２、２２の車幅方向外方側の端部から後方に延びる後部ダクト部２３、２３とを有する。   As shown in FIGS. 2 to 4, the rear foot duct 20 supplies the air-conditioning air introduction end 20 a output from the rear air-conditioning unit 15 and the feet of the occupants seated in the third row seat 13. And an air blowing end 20b. The rear foot duct 20 includes a front duct portion 21 extending in the longitudinal direction of the vehicle body, a pair of left and right intermediate duct portions 22 and 22 extending in the vehicle width direction from the rear end of the front duct portion 21, an intermediate duct portion 22, And rear duct portions 23, 23 extending rearward from the end portion on the outer side in the vehicle width direction of 22.

そして、前部ダクト部２１の前端の前記導入端２０ａにおいて、リア空調ユニット１５の送風端に接続され、後部ダクト部２３、２３の前端側において、キックアップ部３３の上端部（リアフロア３４の前端部）にボルト２４、２４で固定される。   And, at the introduction end 20a at the front end of the front duct portion 21, it is connected to the blower end of the rear air conditioning unit 15, and at the front end side of the rear duct portions 23, 23, the upper end portion of the kick-up portion 33 (the front end of the rear floor 34). Part) with bolts 24, 24.

また、前部ダクト部２１は、フロントフロア３２のトンネル部３５の上方に配置され、中間ダクト部２２、２２は、キックアップ部３３の前方に近接して配設され、後部ダクト部２３、２３は、リアフロア３４の上方に乗り上げて配置される。   The front duct portion 21 is disposed above the tunnel portion 35 of the front floor 32, and the intermediate duct portions 22 and 22 are disposed close to the front of the kick-up portion 33, and the rear duct portions 23 and 23 are disposed. Is arranged on the rear floor 34.

ここで、中間ダクト部２２、２２は、下方側は支持されず、フロントフロア３２から上方に間隔を開けて位置するように浮いた状態で配設されている（図４の符号ａ、ａ参照）。また、中間ダクト部２２、２２には２列目シート１２Ｌ、１２Ｒに着座する乗員の足元に空調風を供給するための一対の開口部２２ａ、２２ａがトンネル部３５を挟んで左右対称に設けられている。   Here, the intermediate duct portions 22 and 22 are not supported on the lower side, and are arranged in a floating state so as to be spaced upward from the front floor 32 (see symbols a and a in FIG. 4). ). The intermediate duct portions 22 and 22 are provided with a pair of openings 22a and 22a symmetrically across the tunnel portion 35 for supplying conditioned air to the feet of passengers seated on the second row seats 12L and 12R. ing.

一方、中間ダクト部２２、２２の上方には、該中間ダクト部２２、２２を保護するためのダクト保護部材４０が備えられ、該ダクト保護部材４０の後部に設けられた固定部４１、４１でキックアップ部３３の上端部に取り付けられている。   On the other hand, a duct protection member 40 for protecting the intermediate duct portions 22, 22 is provided above the intermediate duct portions 22, 22, and fixed portions 41, 41 provided at the rear portion of the duct protection member 40. It is attached to the upper end portion of the kick-up portion 33.

次に、図５、図６を加えて、ダクト保護部材４０の構成を詳しく説明する。   Next, the configuration of the duct protection member 40 will be described in detail with reference to FIGS.

ダクト保護部材４０は、前記リアフットダクト２０の中間ダクト部２２、２２を上方から覆い、トンネル部３５を跨いで両側に延びる荷重受け部４２と、中間ダクト部２２、２２とキックアップ部３３との間に位置し、前記荷重受け部４２への荷重作用時に前記キックアップ部３３に対接することで該荷重を支える第１荷重支持部４３、４３と、第２荷重支持部４４、４４とを有し、荷重受け部４２にキックアップ部３３の上端部に取り付けるための固定部４１、４１とで形成されている。なお、前記荷重受け部４２、第１荷重支持部４３、４３及び第２荷重支持部４４、４４はいずれも板材で構成されている。   The duct protection member 40 covers the intermediate duct portions 22 and 22 of the rear foot duct 20 from above, extends across the tunnel portion 35 on both sides, the intermediate duct portions 22 and 22, and the kick-up portion 33. Between the first load support portions 43 and 43 and the second load support portions 44 and 44 that support the load by contacting the kick-up portion 33 when a load is applied to the load receiving portion 42. The load receiving portion 42 is formed with fixing portions 41 and 41 for attaching to the upper end portion of the kick-up portion 33. The load receiving portion 42, the first load support portions 43 and 43, and the second load support portions 44 and 44 are all made of a plate material.

ここで、前記リアフロア３４には、２列目シート１２Ｌ、１２Ｒのシートレール５１、５１が設けられており、このシートレール５１、５１の固定部５２、５２は、キックアップ部３３とリアフロア３４の角部に配設されたクロスメンバ３６に設けられている。   Here, the rear floor 34 is provided with seat rails 51, 51 of the second row seats 12L, 12R. The fixing portions 52, 52 of the seat rails 51, 51 are provided between the kick-up portion 33 and the rear floor 34, respectively. It is provided on the cross member 36 disposed at the corner.

そして、荷重受け部４２の前記固定部４１、４１は、図３に示すように、前記シートレール５１、５１と同様に、クロスメンバ３６によって補強された剛性の高いキックアップ部３３の上端部に、シートレール５１、５１の固定部５２、５２の間で、シートレール５１、５１の固定部５２、５２と車両平面視で車両幅方向に一列に並んで配置されている。これにより、２列目シート１２の固定部５２、５２を車両後方に下げることなく、ダクト保護部材４０の固定部４１、４１を設けることができる。   As shown in FIG. 3, the fixing portions 41, 41 of the load receiving portion 42 are formed at the upper end of the highly rigid kick-up portion 33 reinforced by the cross member 36, similar to the seat rails 51, 51. Between the fixing portions 52 and 52 of the seat rails 51 and 51, the fixing portions 52 and 52 of the seat rails 51 and 51 and the fixing portions 52 and 52 of the seat rails 51 are arranged in a line in the vehicle width direction in a vehicle plan view. Accordingly, the fixing portions 41 and 41 of the duct protection member 40 can be provided without lowering the fixing portions 52 and 52 of the second row seat 12 to the rear of the vehicle.

図６に示すように、荷重受け部４２は、中間ダクト部２２、２２の後方から前上がりに延びる第１面部４２ａと、第１面部４２ａの前端から前方に延びる延長部４２ａ’と、第１面部４２ａの後端部からキックアップ部３３の上端部に沿って後ろ上がりに延びる第２面部４２ｂとを備え、第１面部４２ａと第２面部４２ｂとで断面Ｖ字状を形成し、第１面部４２ａ及び延長部４２ａ’によって中間ダクト部２２、２２の上方を覆っている。   As shown in FIG. 6, the load receiving portion 42 includes a first surface portion 42 a that extends forward from the rear of the intermediate duct portions 22, 22, an extension portion 42 a ′ that extends forward from the front end of the first surface portion 42 a, A second surface portion 42b extending rearwardly from the rear end portion of the surface portion 42a along the upper end portion of the kick-up portion 33, and the first surface portion 42a and the second surface portion 42b form a V-shaped cross section. The upper surface of the intermediate duct portions 22 and 22 is covered by the surface portion 42a and the extended portion 42a ′.

次に、図４及び図６で、第１荷重支持部４３、４３及び第２荷重支持部４４、４４について説明する。   Next, the first load support portions 43 and 43 and the second load support portions 44 and 44 will be described with reference to FIGS.

第１荷重支持部４３、４３は、荷重受け部４２の第１面部４２ａの下面に沿って延びる第１面部４３ａ、４３ａと、荷重受け部４２の第１面部４２ａの下面で第１面部４３ａ、４３ａの前端から前方に延びる延長部４３ａ’、４３ａ’と、第１面部４３ａ、４３ａの後端からキックアップ部３３に対向して下方に延びる第２面部４３ｂ、４３ｂとを備えている。   The first load support portions 43, 43 are first surface portions 43a, 43a extending along the lower surface of the first surface portion 42a of the load receiving portion 42, and the first surface portion 43a, the lower surface of the first surface portion 42a of the load receiving portion 42, Extension portions 43a ′ and 43a ′ extending forward from the front end of 43a and second surface portions 43b and 43b extending downward from the rear ends of the first surface portions 43a and 43a so as to face the kick-up portion 33 are provided.

第２荷重支持部４４、４４は、第１荷重支持部４３、４３の第２面部４３ｂ、４３ｂの後方で、キックアップ部３３の前面に対向して上下に延び、この第２荷重支持部４４、４４の下側は、第１荷重支持部４３、４３の第２面部４３ｂ、４３ｂに溶接等で接合され、第２荷重支持部４４、４４の上端部は、荷重受け部４２の第２面部４２ｂに当接する。   The second load support portions 44, 44 extend up and down facing the front surface of the kick-up portion 33 behind the second surface portions 43 b, 43 b of the first load support portions 43, 43, and this second load support portion 44. , 44 is joined to the second surface portions 43b, 43b of the first load support portions 43, 43 by welding or the like, and the upper ends of the second load support portions 44, 44 are the second surface portions of the load receiving portion 42. 42b abuts.

また、第２荷重支持部４４、４４は、車両前方視で第１荷重支持部４３、４３と同一の幅を持って重なり合って設けられ（図４参照）、第１荷重支持部４３、４３及び第２荷重支持部４４、４４は、前記中間ダクト部２２、２２の開口部２２ａ、２２ａと車両前方視でオーバーラップする位置にトンネル部３５を挟んだ両側に一対設けられている。   Further, the second load support portions 44, 44 are provided so as to overlap with the same width as the first load support portions 43, 43 in the vehicle front view (see FIG. 4), and the first load support portions 43, 43, and A pair of second load support portions 44, 44 are provided on both sides of the tunnel portion 35 at a position overlapping the openings 22 a, 22 a of the intermediate duct portions 22, 22 in the vehicle front view.

そして、荷重受け部４２の第１面部４２ａと、第１荷重支持部４３、４３の第１面部４３ａ、４３ａの前側部と、荷重受け部４２の延長部４２ａ’と、第１荷重支持部４３、４３の延長部４３ａ’、４３ａ’とがそれぞれ溶接され、荷重受け部４２の第２面部４２ｂと第２荷重支持部４４、４４の上端部とが当接することで、荷重受け部４２の第２面部４２ｂと、第１荷重支持部４３、４３の第１面部４３ａ、４３ａと、第２荷重支持部４４、４４との間に閉断面Ｙが形成され、ダクト保護部材４０自体の剛性の向上が図られている。   And the 1st surface part 42a of the load receiving part 42, the front side part of the 1st surface parts 43a and 43a of the 1st load support parts 43 and 43, the extension part 42a 'of the load receiving part 42, and the 1st load support part 43 , 43 are welded to each other, and the second surface portion 42b of the load receiving portion 42 and the upper end portions of the second load supporting portions 44, 44 come into contact with each other, so that A closed cross section Y is formed between the two surface portions 42b, the first surface portions 43a and 43a of the first load support portions 43 and 43, and the second load support portions 44 and 44, thereby improving the rigidity of the duct protection member 40 itself. Is planned.

なお、図６に示すように、フロア３０はフロアマット６０で覆われており、中間ダクト部２２、２２の開口部２２ａ、２２ａの前方に位置するフロアマット６０には、空調風供給のためのグリル６０ａ、６０ａが設けられている。   As shown in FIG. 6, the floor 30 is covered with a floor mat 60, and the floor mat 60 positioned in front of the openings 22 a and 22 a of the intermediate duct portions 22 and 22 is used for supplying conditioned air. Grills 60a and 60a are provided.

次に、本実施形態に係るフロア構造の作用効果について説明する。   Next, the effect of the floor structure according to the present embodiment will be described.

まず、本実施形態において、リアフットダクト２０の中間ダクト２２、２２を保護するためのダクト保護部材４０は、中間ダクト部２２、２２を上方から覆う荷重受け部４２と、前記中間ダクト部２２、２２とキックアップ部３３との間に位置する第１荷重支持部４３、４３と、第２荷重支持部４４、４４とが設けられているが、この荷重受け部４２に踏込荷重Ｆがかかることで、該荷重作用時に第１荷重支持部４３、４３の第２面部４３ｂ、４３ｂと、第２荷重支持部４４、４４とがキックアップ部３３に対接するように設けられているので、前記荷重受け部４２で発生する踏込荷重ＦによるモーメントＭは、第１荷重支持部４３、４３の第２面部４３ｂ、４３ｂと、第２荷重支持部４４、４４とがキックアップ部３３に対接する対接面Ｚで受けることになり、その結果、中間ダクト部２２、２２に直接荷重がかかることが回避され、リアフットダクト２０の変形や破損を防止できる。   First, in the present embodiment, the duct protection member 40 for protecting the intermediate ducts 22 and 22 of the rear foot duct 20 includes a load receiving portion 42 that covers the intermediate duct portions 22 and 22 from above, the intermediate duct portion 22, The first load support portions 43, 43 and the second load support portions 44, 44 are provided between the load receiving portion 42 and the kick-up portion 33. The step load F is applied to the load receiving portion 42. Thus, since the second surface portions 43b and 43b of the first load support portions 43 and 43 and the second load support portions 44 and 44 are provided so as to contact the kick-up portion 33 when the load is applied, the load The moment M due to the stepping load F generated in the receiving portion 42 is the contact where the second surface portions 43b, 43b of the first load support portions 43, 43 and the second load support portions 44, 44 contact the kick-up portion 33. Surface Z You will receive it, as a result, it is avoided that the load directly to the intermediate duct portion 22, 22 is applied, it is possible to prevent the deformation or damage of the rear foot duct 20.

また、荷重受け部４２の第２面部４２ｂと、第１荷重支持部４３、４３の第１面部４３ａ、４３ａと、第２荷重支持部４４、４４との間に閉断面Ｙが形成されることで、ダクト保護部材４０自体の剛性の向上が図られ、荷重受け部４２に上方から作用する荷重によって発生するモーメントＭが第１荷重支持部４３、４３と第２荷重支持部４４、４４を介してキックアップ部３３に受け止められるときに、ダクト保護部材４０の断面変形が抑制されるとともに、荷重受け部４２自体の変形が抑制される。これにより、中間ダクト２２、２２にかかる踏込荷重をより確実に抑制することができる。   Further, a closed cross-section Y is formed between the second surface portion 42b of the load receiving portion 42, the first surface portions 43a and 43a of the first load support portions 43 and 43, and the second load support portions 44 and 44. Thus, the rigidity of the duct protection member 40 itself is improved, and the moment M generated by the load acting on the load receiving portion 42 from above is transmitted through the first load support portions 43, 43 and the second load support portions 44, 44. Thus, when the kick-up portion 33 receives the cross-sectional deformation of the duct protection member 40, the deformation of the load receiving portion 42 itself is suppressed. Thereby, the stepping load concerning intermediate ducts 22 and 22 can be controlled more certainly.

さらに、第１荷重支持部４３、４３及び第２荷重支持部４４、４４が、トンネル部３５を挟んで両側で、かつ、踏込荷重のかかる中間ダクト部２２、２２の後部に一対設けられているので、前記荷重がトンネル部３５の左右のどちら側からかかる場合であってもダクト保護部材４０の変形を抑制することができ、これによりリアフットダクト２０の変形や破損を防止できる。   Further, a pair of first load support portions 43 and 43 and second load support portions 44 and 44 are provided on both sides of the tunnel portion 35 and on the rear portions of the intermediate duct portions 22 and 22 where the stepping load is applied. Therefore, even if the load is applied from either the left or right side of the tunnel portion 35, the deformation of the duct protection member 40 can be suppressed, whereby the rear foot duct 20 can be prevented from being deformed or damaged.

また、中間ダクト部２２、２２の開口部２２ａ、２２ａの上方に荷重受け部４２が配設されるとともに、第１荷重支持部４３、４３及び第２荷重支持部４４、４４が開口部２２ａ、２２ａと車両前方視で重なる位置に設けられているので、剛性の弱い開口部２２ａ、２２ａに直接荷重がかかることが回避され、リアフットダクト２０の変形や破損を防止できる。   In addition, a load receiving portion 42 is disposed above the openings 22a and 22a of the intermediate duct portions 22 and 22, and the first load support portions 43 and 43 and the second load support portions 44 and 44 are the openings 22a, Since it is provided at a position overlapping with 22a when viewed from the front of the vehicle, it is possible to avoid applying a load directly to the openings 22a and 22a having low rigidity, and to prevent the rear foot duct 20 from being deformed or damaged.

次に、図７を参照しながら、第２実施形態に係る車体のフロア構造について説明する。なお、第１実施形態と同様の構成要素については、図７において同一の符号を付すとともに、その説明を省略する。   Next, the floor structure of the vehicle body according to the second embodiment will be described with reference to FIG. In addition, about the component similar to 1st Embodiment, while attaching | subjecting the same code | symbol in FIG. 7, the description is abbreviate | omitted.

第２実施形態では、ダクト保護部材２４０の第１荷重支持部２４３、２４３と、第２荷重支持部２４４、２４４と、キックアップ部２３３の構成が第１実施形態と異なる。   In the second embodiment, the configurations of the first load support portions 243 and 243, the second load support portions 244 and 244, and the kick-up portion 233 of the duct protection member 240 are different from those of the first embodiment.

図７は、第２実施形態における中間ダクト部２２、２２とダクト保護部材２４０とキックアップ部２３３の接合部及びその周辺部を示す拡大断面図である。   FIG. 7 is an enlarged cross-sectional view showing a joint portion between the intermediate duct portions 22 and 22, the duct protection member 240 and the kick-up portion 233 and its peripheral portion in the second embodiment.

図７に示すように、第２実施形態では、中間ダクト部２２、２２を保護するダクト保護部材２４０は、荷重受け部２４２と、第１荷重支持部２４３、２４３と、第２荷重支持部２４４、２４４とを有し、荷重受け部２４２の後部に固定部２４１が備えられ、前記第１荷重支持部２４３、２４３と、前記第２荷重支持部２４４、２４４とがボルト２４５、２４５で前記キックアップ部２３３に固定されている。   As shown in FIG. 7, in the second embodiment, the duct protection member 240 that protects the intermediate duct portions 22, 22 includes the load receiving portion 242, the first load support portions 243, 243, and the second load support portion 244. 244, a fixed portion 241 is provided at the rear of the load receiving portion 242, and the first load support portions 243 and 243 and the second load support portions 244 and 244 are bolted by the bolts 245 and 245, respectively. It is fixed to the up portion 233.

これにより、荷重受け部２４２への荷重作用時に第１荷重支持部２４３、２４３及び第２荷重支持部２４４、２４４がキックアップ部２３３に固定されているので、第１実施形態と同様に、荷重受け部２４２で発生する乗員の踏込荷重ＦによるモーメントＭを、キックアップ部２３３で受けることに加え、前記ボルト２４５、２４５でも踏込荷重を受けることができる。さらに、車体の振動により、キックアップ部２３３と第１荷重支持部２４３、２４３及び第２荷重支持部２４４、２４４との間で騒音が発生する場合は、ボルト２４５、２４５で固定することで騒音を防止できる。   Accordingly, since the first load support portions 243 and 243 and the second load support portions 244 and 244 are fixed to the kick-up portion 233 when a load is applied to the load receiving portion 242, the load is the same as in the first embodiment. In addition to receiving the moment M due to the passenger's stepping load F generated at the receiving portion 242 at the kick-up portion 233, the bolts 245 and 245 can also receive the stepping load. Further, when noise is generated between the kick-up portion 233 and the first load support portions 243 and 243 and the second load support portions 244 and 244 due to vibration of the vehicle body, the noise is fixed by fixing with the bolts 245 and 245. Can be prevented.

なお、本実施形態において荷重支持部は、２枚の板材で構成しているが、１枚の板材で構成されてもよい。   In addition, in this embodiment, although the load support part is comprised with two board | plate materials, you may be comprised with one board | plate material.

また、踏込荷重Ｆ作用時に、第１荷重支持部４３、４３の第２面部４３ｂ、４３ｂがキックアップ部３３と対接するように対接面を設けることで、キックアップ部３３を第２荷重支持部として構成してもよい。   Further, when the stepping load F is applied, the kick-up portion 33 is supported by the second load by providing a contact surface so that the second surface portions 43b, 43b of the first load support portions 43, 43 are in contact with the kick-up portion 33. You may comprise as a part.

また、本実施形態において、トンネル部３５の上部に配置される中間ダクト部２２、２２の下方、かつ、トンネル部３５上面に、中間ダクト部２２、２２とトンネル部３５との空間を埋めるためのスペーサ３７を設けてもよい。これにより、乗員の踏込荷重がかかることが想定されるトンネル部３５と中間ダクト部２２、２２と間の空間が埋まり、トンネル部３５においても中間ダクト部２２、２２の変形や破損を防止できる。   Further, in the present embodiment, the space between the intermediate duct portions 22 and 22 and the tunnel portion 35 is buried below the intermediate duct portions 22 and 22 disposed on the upper portion of the tunnel portion 35 and on the upper surface of the tunnel portion 35. A spacer 37 may be provided. As a result, the space between the tunnel portion 35 and the intermediate duct portions 22 and 22 that are assumed to be subject to a passenger's stepping load is filled, and the intermediate duct portions 22 and 22 can be prevented from being deformed or damaged also in the tunnel portion 35.

本発明は、２列目シート及び３列目シートを有し、２列目シート中央部に通路を有する車両において広く利用可能である。   The present invention can be widely used in vehicles having a second row seat and a third row seat and having a passage in the center portion of the second row seat.

１ 車両
１１ １列目シート
１２ ２列目シート
１３ ３列目シート
１４ センターコンソール
１５ リア空調ユニット
２０ リアフットダクト
２０ａ 導入端
２０ｂ 送風端
２１ 前部ダクト部
２２ 中間ダクト部
２２ａ 開口部
２３ 後部ダクト部
３０ フロア
３１ 通路部
３２ フロントフロア
３３ キックアップ部
３４ リアフロア
３５ トンネル部
３６ クロスメンバ
４０ ダクト保護部材
４１ 固定部
４２ 荷重受け部
４２ａ 第１面部
４２ａ’ 延長部
４２ｂ 第２面部
４３ 第１荷重支持部
４３ａ 第１面部
４３ａ’ 延長部
４３ｂ 第２面部
４４ 第２荷重支持部
Ｙ 閉断面
Ｚ 対接面 1 Vehicle 11 First-row seat 12 Second-row seat 13 Third-row seat 14 Center console 15 Rear air conditioning unit 20 Rear foot duct 20a Inlet end 20b Fan end 21 Front duct portion 22 Intermediate duct portion 22a Opening portion 23 Rear duct portion 30 floor 31 passage portion 32 front floor 33 kick-up portion 34 rear floor 35 tunnel portion 36 cross member 40 duct protection member 41 fixing portion 42 load receiving portion 42a first surface portion 42a 'extension portion 42b second surface portion 43 first load support portion 43a 1st surface part 43a 'Extension part 43b 2nd surface part 44 2nd load support part Y Closed section Z Contact surface

Claims (4)

車両前方側から１列目シート、２列目シート及び３列目シートを有し、車両前部に配置された空調ユニットからの空調風を３列目シートに着座する乗員の足元へ供給するリアフットダクトが備えられた車両のフロア構造であって、
前記リアフットダクトを保護するダクト保護部材が備えられ、
該ダクト保護部材は、フロアに設けられたキックアップ部の上端部に固定されるとともに、
前記リアフットダクトにおける前記キックアップ部の前方で車幅方向に延びる中間ダクト部を上方から覆う荷重受け部と、
前記リアフットダクトの中間ダクト部と前記キックアップ部との間に位置し、前記荷重受け部への荷重作用時にキックアップ部に対接することで該荷重を支える荷重支持部と、
を有することを特徴とする車両のフロア構造。 Rear that has a first row seat, a second row seat, and a third row seat from the front side of the vehicle, and that supplies conditioned air from an air conditioning unit disposed at the front of the vehicle to the feet of a passenger sitting on the third row seat A vehicle floor structure provided with a foot duct,
A duct protection member for protecting the rear foot duct is provided,
The duct protection member is fixed to the upper end portion of the kick-up portion provided on the floor,
A load receiving portion that covers an intermediate duct portion extending in the vehicle width direction in front of the kick-up portion in the rear foot duct from above;
A load support portion that is located between the intermediate duct portion of the rear foot duct and the kick-up portion and supports the load by contacting the kick-up portion when a load is applied to the load receiving portion;
A vehicle floor structure characterized by comprising: 前記ダクト保護部材は、前記荷重受け部と、荷重支持部との間で閉断面を形成することを特徴とする請求項１に記載の車両のフロア構造。   2. The vehicle floor structure according to claim 1, wherein the duct protection member forms a closed cross section between the load receiving portion and the load support portion. 前記荷重受け部は、車体のトンネル部を跨いで両側に延びて設けられており、
前記荷重支持部は、前記トンネル部を挟んだ両側に設けられていることを特徴とする請求項１に記載の車両のフロア構造。 The load receiving portion is provided to extend on both sides across the tunnel portion of the vehicle body,
The vehicle floor structure according to claim 1, wherein the load support portions are provided on both sides of the tunnel portion. 前記中間ダクト部の前面には、２列目シートに着座する乗員の足元への空調風の吹き出し部となる開口部が設けられ、
前記荷重受け部は、前記開口部の上方に対応するように配設されることを特徴とする請求項１から請求項３のいずれか１項に記載の車両のフロア構造。 On the front surface of the intermediate duct portion, an opening serving as a blowing portion of the conditioned air to the feet of the passenger sitting on the second row seat is provided,
4. The vehicle floor structure according to claim 1, wherein the load receiving portion is disposed so as to correspond to the upper portion of the opening. 5.
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Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN113199924A (en) * 2020-01-30 2021-08-03 丰田自动车株式会社 Vehicle structure

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Publication number Priority date Publication date Assignee Title
JPS5977931A (en) * 1982-10-27 1984-05-04 Nissan Motor Co Ltd Floor trim structure
JP2001347823A (en) * 2000-06-09 2001-12-18 Daihatsu Motor Co Ltd Air-conditioning duct disposing structure for vehicle
JP2016120801A (en) * 2014-12-24 2016-07-07 マツダ株式会社 Air conditioner for vehicle

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Publication number Priority date Publication date Assignee Title
JPS5977931A (en) * 1982-10-27 1984-05-04 Nissan Motor Co Ltd Floor trim structure
JP2001347823A (en) * 2000-06-09 2001-12-18 Daihatsu Motor Co Ltd Air-conditioning duct disposing structure for vehicle
JP2016120801A (en) * 2014-12-24 2016-07-07 マツダ株式会社 Air conditioner for vehicle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113199924A (en) * 2020-01-30 2021-08-03 丰田自动车株式会社 Vehicle structure
CN113199924B (en) * 2020-01-30 2023-08-08 丰田自动车株式会社 Vehicle structure

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