WO2013105560A1 - Seat cushion structure for simple vehicle seat - Google Patents
Seat cushion structure for simple vehicle seat Download PDFInfo
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- WO2013105560A1 WO2013105560A1 PCT/JP2013/050141 JP2013050141W WO2013105560A1 WO 2013105560 A1 WO2013105560 A1 WO 2013105560A1 JP 2013050141 W JP2013050141 W JP 2013050141W WO 2013105560 A1 WO2013105560 A1 WO 2013105560A1
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- WIPO (PCT)
- Prior art keywords
- seat
- seat cushion
- frame
- cushion
- bent
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
- B60N2/30—Non-dismountable or dismountable seats storable in a non-use position, e.g. foldable spare seats
- B60N2/3038—Cushion movements
- B60N2/304—Cushion movements by rotation only
- B60N2/3045—Cushion movements by rotation only about transversal axis
- B60N2/305—Cushion movements by rotation only about transversal axis the cushion being hinged on the vehicle frame
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
- B60N2/42—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats
- B60N2/4207—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats characterised by the direction of the g-forces
- B60N2/4214—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats characterised by the direction of the g-forces longitudinal
- B60N2/4221—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats characterised by the direction of the g-forces longitudinal due to impact coming from the front
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
- B60N2/42—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats
- B60N2/4249—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats fixed structures, i.e. where neither the seat nor a part thereof are displaced during a crash
- B60N2/4256—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats fixed structures, i.e. where neither the seat nor a part thereof are displaced during a crash the shape of the seat being specially adapted for a particular purpose or for particular vehicles
- B60N2/4263—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats fixed structures, i.e. where neither the seat nor a part thereof are displaced during a crash the shape of the seat being specially adapted for a particular purpose or for particular vehicles with anti-submarining systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/68—Seat frames
Definitions
- the present invention relates to a seat cushion structure for a simple vehicle seat provided in a vehicle cabin.
- a simple seat without a seat back that has a seat cushion that supports the occupant's buttocks from below and that extends upward from the rear end of the seat cushion and supports the back of the seat occupant from behind is provided in the vehicle interior of the vehicle May be.
- the vehicle seat is often arranged in a narrow space in the vehicle interior, and if the arrangement space is narrow, the front and rear width of the seat cushion seat surface cannot be secured sufficiently. For this reason, if a forward load is applied to the occupant seated at the time of a frontal collision of the vehicle, the occupant's buttocks supported by the seat cushion seat surface may move forward and drop.
- an object of the present invention is to provide a vehicle seat cushion structure that can prevent the occupant's buttocks from falling from the seat cushion seat surface with a simple structure.
- the present invention is a seat cushion structure for a simple vehicle seat, and includes a cushion frame that is provided inside the seat cushion and holds the shape of the seat cushion.
- a simple seat is a seat that has a seat cushion that supports the occupant's buttocks from below and does not have a seat back that extends upward from the rear end of the seat cushion and supports the back of the seat occupant from behind.
- the cushion frame has a front frame portion that extends along the front edge of the seat cushion.
- An upright portion that rises upward is bent at the central portion of the front frame portion.
- the seat cushion seat when a forward load is applied to an occupant seated at the time of a frontal collision of the vehicle, the forward movement of the occupant's buttocks supported by the seat cushion seat surface is caused by the front frame portion of the cushion frame. It is blocked by the standing part. Therefore, even if a simple seat is arranged in a narrow space in the passenger compartment and the front and rear widths of the seat cushion seat surface cannot be sufficiently secured, the seat cushion seat has a simple structure in which an upright portion is formed. It is possible to prevent the occupant's buttocks from falling from the surface.
- the seat cushion structure may further include a pair of leg members and a reinforcing bracket.
- the cushion frame may have a pair of side frame portions that bend from both ends of the front frame portion and extend along the side edge of the seat cushion, and a reinforcing frame that connects the pair of side frames. .
- the leg members are respectively fixed to bent portions where the front frame portion and the side frame portion are continuous, protrude downward from the bent portions, and support the bent portions at a predetermined height on the floor surface.
- the upright portion is prevented from being deformed by the reinforcing bracket and the reinforcing frame. Moreover, a passenger
- crew's load is efficiently transmitted to a floor surface by a leg member and a reinforcement bracket. Accordingly, it is possible to more reliably prevent the occupant's buttocks from dropping when a forward load is applied.
- the occupant's buttocks can be prevented from falling from the seat cushion seat surface with a simple structure.
- FIG. 1 It is a perspective view which shows the state which looked at the cushion frame which concerns on one Embodiment of this invention from diagonally upward front. It is a perspective view which shows the state which looked at the cushion frame of FIG. 1 from diagonally upper back. It is a side view of the cushion frame of FIG. It is the top view which looked at the cushion frame of FIG. 1 from upper direction. It is the bottom view which looked at the cushion frame of FIG. 1 from the downward direction.
- FR indicates the front of the vehicle
- UP indicates the upper side of the vehicle
- the occupant (seater) is seated in a state of facing the front of the vehicle.
- the left and right in the following description means the left and right of the seated occupant.
- a simple vehicle seat 1 shown in FIGS. 1 to 5 is arranged on the floor 20 at the rear of the passenger compartment.
- the simple seat 1 is a seat that has a seat cushion 2 that supports a seated occupant's buttocks from below, does not have a seat back that extends upward from the rear end of the seat cushion 2 and supports the seated person's back from behind. is there.
- the seat cushion 2 includes a cushion pad 18 that is covered with a skin material and has elasticity, and a cushion frame 3 provided inside the cushion pad 18.
- the cushion frame 3 holds the shape of the seat cushion 2 (cushion pad 18).
- the outer shape of the seat cushion 2 is a rectangular thick plate whose front-rear width is shorter than the lateral width.
- the cushion frame 3 includes a frame body 4, a first reinforcement frame 5, and a second reinforcement frame 17.
- a pair of left and right leg members (leg brackets) 6, a pair of left and right reinforcing brackets 7, and an auxiliary wire 16 are fixed to the cushion frame 3.
- the frame body 4 is a metal pipe bent in a substantially U shape in plan view, and integrally includes a front frame portion 8, left and right side frame portions 9, and left and right rear frame portions 10.
- the front frame portion 8 extends along the front end edge of the seat cushion 2.
- the pair of left and right side frame portions 9 are bent from both ends of the front frame portion 8 and extend rearward along the side edge of the seat cushion 2.
- the pair of left and right rear frame portions 10 bend inward from the rear end of each side frame portion 9 and then bend further rearward.
- An extension bracket 11 extending rearward is fixed to each of the left and right rear frame portions 10, and a rear end portion of the extension bracket 11 is rotatably connected to a support bracket 12 fixed to the floor surface 20 via a rotation shaft 13. Has been.
- the seat cushion 2 (simple seat 1) can rotate between the use position where the seat cushion 2 is placed on the floor surface 20 and the storage position where the seat cushion 2 stands upward from the support bracket 12 so as to be rotatable about the rotary shaft 13. Supported by the surface 20.
- the occupant pushes the upper end of the simple seat 1 at the storage position downward and forward to set the use position.
- the seating surface (upper surface) of the seat cushion 2 in the use position is disposed substantially horizontally.
- the first reinforcing frame 5 is a metal pipe extending in a straight line, and both ends thereof are fixed to the left and right side frame portions 9 to connect the left and right side frame portions 9.
- the leg member 6 is a bowl-shaped member that has a substantially U-shaped cross section that divides a groove that opens upward, and is curved in an L shape along the bent portion 15. The lower portion of the bent portion 15 is accommodated in the groove. It is fixed to the bent portion 15 in a state.
- the leg member 6 protrudes downward from the bent portion 15 and supports the bent portion 15 at a predetermined height on the floor surface 20.
- Each reinforcement bracket 7 connects the standing part 14 and the 1st reinforcement frame 5, and reinforces the standing part 14 from the downward direction.
- the second reinforcing frame 17 is a metal pipe extending in a straight line, and both ends thereof are fixed to the front frame portion 8 side of the left and right bent portions 15 to connect the left and right bent portions 15.
- the auxiliary wire 16 has a V shape extending from the upright portion 14 to the upper side of the left and right rear frame portions 10 through the second reinforcing frame 17 and the first reinforcing frame 5. It is fixed to the frame part 10.
- the upright portion 14 of the front frame portion 8 of the cushion frame 3 is seated on the seat cushion 2.
- the forward movement of the occupant's buttocks supported by the seat surface of the seat cushion 2 is restricted by the standing portion 14 by restricting the sinking of the front portion.
- the upright portion 14 is prevented from being deformed by the reinforcing bracket 7, the first reinforcing frame 5, and the second reinforcing frame 17, and the load of the seated occupant is efficiently applied to the floor surface 20 by the leg member 6 and the reinforcing bracket 7.
- the present invention has been described based on the above embodiment, but the present invention is not limited to the content of the above embodiment, and can be appropriately changed without departing from the present invention. is there.
- the simple seat 1 in which the occupant is seated facing the front of the vehicle has been described.
- the simple seat may be arranged so that the occupant is seated in the state of facing the vehicle side or the vehicle rear.
- the simple sheet 1 that can be stored in the standing position has been described, a simple sheet that is fixed to the floor surface 20 in the use position may be used.
Abstract
The interior of a seat cushion (2) for a simple vehicle seat (1) is provided with a cushion frame (3) for maintaining the shape of the seat cushion (2). The cushion frame (3) has a front-frame part (8) extending along the front edge of the seat cushion (2). The center section of the front-frame part (8) has an upright section (14) bent and formed therein which projects upward.
Description
本発明は、車両の車室内に設けられる車両用簡易シートのシートクッション構造に関する。
The present invention relates to a seat cushion structure for a simple vehicle seat provided in a vehicle cabin.
車両の車室内に、着座者の臀部を下方から支持するシートクッションを有し、シートクッションの後端から上方へ延びて着座者の背部を後方から支持するシートバックを有さない簡易シートが設けられる場合がある。
A simple seat without a seat back that has a seat cushion that supports the occupant's buttocks from below and that extends upward from the rear end of the seat cushion and supports the back of the seat occupant from behind is provided in the vehicle interior of the vehicle May be.
一般に、車両用簡易シートは、車室内の狭いスペースに配置される場合が多く、配置スペースが狭いとシートクッションの座面の前後幅を十分に確保することができない。このため、車両の前方衝突時等において着座した乗員に前方への荷重が作用すると、シートクッションの座面に支持された乗員の臀部が前方へ移動して落下してしまう可能性がある。
Generally, the vehicle seat is often arranged in a narrow space in the vehicle interior, and if the arrangement space is narrow, the front and rear width of the seat cushion seat surface cannot be secured sufficiently. For this reason, if a forward load is applied to the occupant seated at the time of a frontal collision of the vehicle, the occupant's buttocks supported by the seat cushion seat surface may move forward and drop.
そこで、本発明は、簡易な構造によってシートクッションの座面からの乗員の臀部の落下を防止することが可能な車両用簡易シートのシートクッション構造の提供を目的とする。
Therefore, an object of the present invention is to provide a vehicle seat cushion structure that can prevent the occupant's buttocks from falling from the seat cushion seat surface with a simple structure.
上記目的を達成すべく、本発明は、車両用簡易シートのシートクッション構造であって、シートクッションの内部に設けられ、シートクッションの形状を保持するクッションフレームを備える。簡易シートとは、着座者の臀部を下方から支持するシートクッションを有し、シートクッションの後端から上方へ延びて着座者の背部を後方から支持するシートバックを有さないシートである。
In order to achieve the above object, the present invention is a seat cushion structure for a simple vehicle seat, and includes a cushion frame that is provided inside the seat cushion and holds the shape of the seat cushion. A simple seat is a seat that has a seat cushion that supports the occupant's buttocks from below and does not have a seat back that extends upward from the rear end of the seat cushion and supports the back of the seat occupant from behind.
クッションフレームは、シートクッションの前端縁に沿って延びる前フレーム部を有する。前フレーム部の中央部分には、上方へ立ち上がる起立部が曲折形成されている。
The cushion frame has a front frame portion that extends along the front edge of the seat cushion. An upright portion that rises upward is bent at the central portion of the front frame portion.
上記構成では、車両の前方衝突時等において着座した乗員に前方への荷重が作用した場合、シートクッションの座面に支持された乗員の臀部の前方への移動は、クッションフレームの前フレーム部の起立部によって阻止される。従って、車室内の狭いスペースに簡易シートを配置し、シートクッションの座面の前後幅を十分に確保することができない場合であっても、起立部を形成するという簡易な構造によってシートクッションの座面からの乗員の臀部の落下を防止することができる。
In the above configuration, when a forward load is applied to an occupant seated at the time of a frontal collision of the vehicle, the forward movement of the occupant's buttocks supported by the seat cushion seat surface is caused by the front frame portion of the cushion frame. It is blocked by the standing part. Therefore, even if a simple seat is arranged in a narrow space in the passenger compartment and the front and rear widths of the seat cushion seat surface cannot be sufficiently secured, the seat cushion seat has a simple structure in which an upright portion is formed. It is possible to prevent the occupant's buttocks from falling from the surface.
また、上記シートクッション構造は、１対の脚部材と補強ブラケットとをさらに備えてもよい。クッションフレームは、前フレーム部の両端からそれぞれ曲折し、シートクッションの側端縁に沿って延びる１対の側フレーム部と、１対の側フレームを連結する補強フレームと、を有してもよい。
The seat cushion structure may further include a pair of leg members and a reinforcing bracket. The cushion frame may have a pair of side frame portions that bend from both ends of the front frame portion and extend along the side edge of the seat cushion, and a reinforcing frame that connects the pair of side frames. .
脚部材は、前フレーム部と側フレーム部とを連続する曲折部分にそれぞれ固定され、曲折部分から下方へ突出し、曲折部分を床面上の所定の高さに支持する。
The leg members are respectively fixed to bent portions where the front frame portion and the side frame portion are continuous, protrude downward from the bent portions, and support the bent portions at a predetermined height on the floor surface.
上記構成では、補強ブラケット及び補強フレームによって、起立部の変形が防止される。また、脚部材と補強ブラケットとによって、乗員の荷重が床面に効率よく伝達される。従って、前方への荷重が作用した場合の乗員の臀部の落下をさらに確実に防止することができる。
In the above configuration, the upright portion is prevented from being deformed by the reinforcing bracket and the reinforcing frame. Moreover, a passenger | crew's load is efficiently transmitted to a floor surface by a leg member and a reinforcement bracket. Accordingly, it is possible to more reliably prevent the occupant's buttocks from dropping when a forward load is applied.
本発明によれば、簡易な構造によってシートクッションの座面からの乗員の臀部の落下を防止することができる。
According to the present invention, the occupant's buttocks can be prevented from falling from the seat cushion seat surface with a simple structure.
以下、本発明の一実施形態を図面に基づいて説明する。なお、図中ＦＲは車両前方を、ＵＰは車両上方をそれぞれ示しており、乗員（着座者）は車両前方を向いた状態で着座する。また、以下の説明における左右は、着座した乗員の左右を意味する。
Hereinafter, an embodiment of the present invention will be described with reference to the drawings. In the figure, FR indicates the front of the vehicle, UP indicates the upper side of the vehicle, and the occupant (seater) is seated in a state of facing the front of the vehicle. Moreover, the left and right in the following description means the left and right of the seated occupant.
車室内の後部の床面２０上には、図１～図５に示す車両用簡易シート１が配置されている。簡易シート１とは、着座者の臀部を下方から支持するシートクッション２を有し、シートクッション２の後端から上方へ延びて着座者の背部を後方から支持するシートバックを有さないシートである。
A simple vehicle seat 1 shown in FIGS. 1 to 5 is arranged on the floor 20 at the rear of the passenger compartment. The simple seat 1 is a seat that has a seat cushion 2 that supports a seated occupant's buttocks from below, does not have a seat back that extends upward from the rear end of the seat cushion 2 and supports the seated person's back from behind. is there.
シートクッション２は、表皮材に覆われて弾力性を有するクッションパッド１８と、クッションパッド１８の内部に設けられたクッションフレーム３とを備える。クッションフレーム３は、シートクッション２（クッションパッド１８）の形状を保持する。シートクッション２の外形は、その前後幅が横幅に比べて短い矩形厚板状である。クッションフレーム３は、フレーム本体４と、第１補強フレーム５と、第２補強フレーム１７とを有する。また、クッションフレーム３には、左右１対の脚部材（レッグブラケット）６と、左右１対の補強ブラケット７と、補助ワイヤ１６とが固着される。
The seat cushion 2 includes a cushion pad 18 that is covered with a skin material and has elasticity, and a cushion frame 3 provided inside the cushion pad 18. The cushion frame 3 holds the shape of the seat cushion 2 (cushion pad 18). The outer shape of the seat cushion 2 is a rectangular thick plate whose front-rear width is shorter than the lateral width. The cushion frame 3 includes a frame body 4, a first reinforcement frame 5, and a second reinforcement frame 17. A pair of left and right leg members (leg brackets) 6, a pair of left and right reinforcing brackets 7, and an auxiliary wire 16 are fixed to the cushion frame 3.
フレーム本体４は、平面視略Ｕ形状に曲折された金属製のパイプであり、前フレーム部８と左右の側フレーム部９と左右の後フレーム部１０とを一体的に有する。前フレーム部８は、シートクッション２の前端縁に沿って延びる。左右１対の側フレーム部９は、前フレーム部８の両端からそれぞれ湾曲状に曲折し、シートクッション２の側端縁に沿って後方へ延びる。左右１対の後フレーム部１０は、各側フレーム部９の後端から内側に曲折した後、さらに後方へ曲折して延びる。左右の後フレーム部１０には、後方へ延びる延長ブラケット１１がそれぞれ固着され、延長ブラケット１１の後端部は、床面２０に固定された支持ブラケット１２に回転軸１３を介して回転自在に連結されている。これにより、シートクッション２（簡易シート１）は、床面２０に載置される使用位置と、支持ブラケット１２から上方へ起立する収納位置との間を、回転軸１３を中心として回転自在に床面２０に支持される。簡易シート１を使用する場合、乗員は、収納位置の簡易シート１の上端を前下方へ押し下げて使用位置に設定する。使用位置のシートクッション２の座面（上面）は、ほぼ水平に配置される。
The frame body 4 is a metal pipe bent in a substantially U shape in plan view, and integrally includes a front frame portion 8, left and right side frame portions 9, and left and right rear frame portions 10. The front frame portion 8 extends along the front end edge of the seat cushion 2. The pair of left and right side frame portions 9 are bent from both ends of the front frame portion 8 and extend rearward along the side edge of the seat cushion 2. The pair of left and right rear frame portions 10 bend inward from the rear end of each side frame portion 9 and then bend further rearward. An extension bracket 11 extending rearward is fixed to each of the left and right rear frame portions 10, and a rear end portion of the extension bracket 11 is rotatably connected to a support bracket 12 fixed to the floor surface 20 via a rotation shaft 13. Has been. As a result, the seat cushion 2 (simple seat 1) can rotate between the use position where the seat cushion 2 is placed on the floor surface 20 and the storage position where the seat cushion 2 stands upward from the support bracket 12 so as to be rotatable about the rotary shaft 13. Supported by the surface 20. When using the simple seat 1, the occupant pushes the upper end of the simple seat 1 at the storage position downward and forward to set the use position. The seating surface (upper surface) of the seat cushion 2 in the use position is disposed substantially horizontally.
前フレーム部８の中央部分には、前フレーム部８と側フレーム部９とを連続する左右の曲折部分１５から前斜め上方へ立ち上がる起立部１４が曲折形成されている。第１補強フレーム５は、直線状に延びる金属製のパイプであり、その両端が左右の側フレーム部９にそれぞれ固着され、左右の側フレーム部９を連結する。脚部材６は、上方に開口する溝を内側に区画する略Ｕ状断面を有するとともに曲折部分１５に沿ってＬ状に湾曲する樋状部材であり、曲折部分１５の下部を溝内に収容した状態で曲折部分１５に固着される。簡易シート１を使用位置に設定した状態において、脚部材６は、曲折部分１５から下方へ突出し、曲折部分１５を床面２０上の所定の高さに支持する。各補強ブラケット７は、起立部１４と第１補強フレーム５とを連結し、起立部１４を下方から補強する。第２補強フレーム１７は、直線状に延びる金属製のパイプであり、その両端が左右の曲折部分１５の前フレーム部８側に固着され、左右の曲折部分１５を連結する。補助ワイヤ１６は、起立部１４から第２補強フレーム１７及び第１補強フレーム５の上方を通り左右の後フレーム部１０の上方へ延びるＶ状であり、起立部１４と第１補強フレーム５と後フレーム部１０とに固着される。
In the central portion of the front frame portion 8, an upright portion 14 that rises obliquely upward from the left and right bent portions 15 connecting the front frame portion 8 and the side frame portion 9 is bent. The first reinforcing frame 5 is a metal pipe extending in a straight line, and both ends thereof are fixed to the left and right side frame portions 9 to connect the left and right side frame portions 9. The leg member 6 is a bowl-shaped member that has a substantially U-shaped cross section that divides a groove that opens upward, and is curved in an L shape along the bent portion 15. The lower portion of the bent portion 15 is accommodated in the groove. It is fixed to the bent portion 15 in a state. In a state where the simple seat 1 is set at the use position, the leg member 6 protrudes downward from the bent portion 15 and supports the bent portion 15 at a predetermined height on the floor surface 20. Each reinforcement bracket 7 connects the standing part 14 and the 1st reinforcement frame 5, and reinforces the standing part 14 from the downward direction. The second reinforcing frame 17 is a metal pipe extending in a straight line, and both ends thereof are fixed to the front frame portion 8 side of the left and right bent portions 15 to connect the left and right bent portions 15. The auxiliary wire 16 has a V shape extending from the upright portion 14 to the upper side of the left and right rear frame portions 10 through the second reinforcing frame 17 and the first reinforcing frame 5. It is fixed to the frame part 10.
本実施形態によれば、車両の前方衝突時等において簡易シート１に着座した乗員に前方への荷重が作用した場合、クッションフレーム３の前フレーム部８の起立部１４は、シートクッション２の座面前部の沈み込みを制限し、シートクッション２の座面に支持された乗員の臀部の前方への移動は、起立部１４によって阻止される。また、補強ブラケット７と第１補強フレーム５と第２補強フレーム１７とによって、起立部１４の変形が防止され、脚部材６と補強ブラケット７とによって、着座した乗員の荷重が床面２０に効率よく伝達される。従って、前方への荷重が作用した場合の乗員の臀部の前方への落下を確実に防止することができる。
According to the present embodiment, when a forward load is applied to an occupant seated on the simple seat 1 at the time of a frontal collision of the vehicle, the upright portion 14 of the front frame portion 8 of the cushion frame 3 is seated on the seat cushion 2. The forward movement of the occupant's buttocks supported by the seat surface of the seat cushion 2 is restricted by the standing portion 14 by restricting the sinking of the front portion. Further, the upright portion 14 is prevented from being deformed by the reinforcing bracket 7, the first reinforcing frame 5, and the second reinforcing frame 17, and the load of the seated occupant is efficiently applied to the floor surface 20 by the leg member 6 and the reinforcing bracket 7. Well communicated. Therefore, it is possible to reliably prevent the occupant's buttocks from falling forward when a forward load is applied.
以上、本発明について、上記実施形態に基づいて説明を行ったが、本発明は上記実施形態の内容に限定をされるものではなく、当然に本発明を逸脱しない範囲では適宜の変更が可能である。
As described above, the present invention has been described based on the above embodiment, but the present invention is not limited to the content of the above embodiment, and can be appropriately changed without departing from the present invention. is there.
例えば、上記実施形態では乗員が車両前方を向いた状態で着座する簡易シート１について説明したが、車両側方又は車両後方を向いた状態で乗員が着座するように簡易シートを配置してもよい。また、起立位置に収納可能な簡易シート１について説明したが、使用位置で床面２０に固定される簡易シートであってもよい。
For example, in the above-described embodiment, the simple seat 1 in which the occupant is seated facing the front of the vehicle has been described. However, the simple seat may be arranged so that the occupant is seated in the state of facing the vehicle side or the vehicle rear. . Moreover, although the simple sheet 1 that can be stored in the standing position has been described, a simple sheet that is fixed to the floor surface 20 in the use position may be used.
１：簡易シート
２：シートクッション
３：クッションフレーム
４：フレーム本体
５：第１補強フレーム
６：脚部材
７：補強ブラケット
８：前フレーム部
９：側フレーム部
１４：起立部
２０：床面 1: Simple seat 2: Seat cushion 3: Cushion frame 4: Frame body 5: First reinforcing frame 6: Leg member 7: Reinforcing bracket 8: Front frame portion 9: Side frame portion 14: Standing portion 20: Floor surface
２：シートクッション
３：クッションフレーム
４：フレーム本体
５：第１補強フレーム
６：脚部材
７：補強ブラケット
８：前フレーム部
９：側フレーム部
１４：起立部
２０：床面 1: Simple seat 2: Seat cushion 3: Cushion frame 4: Frame body 5: First reinforcing frame 6: Leg member 7: Reinforcing bracket 8: Front frame portion 9: Side frame portion 14: Standing portion 20: Floor surface
Claims (2)
- 着座者の臀部を下方から支持するシートクッションを有し、前記シートクッションの後端から上方へ延びて前記着座者の背部を後方から支持するシートバックを有さない車両用簡易シートのシートクッション構造であって、
前記シートクッションの内部に設けられ、前記シートクッションの形状を保持するクッションフレームを備え、
前記クッションフレームは、前記シートクッションの前端縁に沿って延びる前フレーム部を有し、
前記前フレーム部の中央部分に、上方へ立ち上がる起立部を曲折形成した
ことを特徴とする車両用簡易シートのシートクッション構造。 A seat cushion structure for a simple vehicle seat that has a seat cushion that supports a seated person's buttocks from below, and that does not have a seat back that extends upward from the rear end of the seat cushion and supports the back of the seated person from behind Because
A cushion frame that is provided inside the seat cushion and holds the shape of the seat cushion;
The cushion frame has a front frame portion extending along a front edge of the seat cushion,
A seat cushion structure for a simple vehicle seat, wherein an upright portion that rises upward is bent at a central portion of the front frame portion. - 請求項１に記載のシートクッション構造であって、
１対の脚部材と補強ブラケットとをさらに備え、
前記クッションフレームは、前記前フレーム部の両端からそれぞれ曲折し、前記シートクッションの側端縁に沿って延びる１対の側フレーム部と、前記１対の側フレームを連結する補強フレームと、を有し、
前記脚部材は、前記前フレーム部と前記側フレーム部とを連続する曲折部分にそれぞれ固定され、前記曲折部分から下方へ突出し、前記曲折部分を前記床面上の所定の高さに支持し、
前記補強ブラケットは、前記起立部と前記補強フレームとを連結する
ことを特徴とする車両用簡易シートのシートクッション構造。 The seat cushion structure according to claim 1,
A pair of leg members and a reinforcing bracket;
The cushion frame includes a pair of side frame portions that are bent from both ends of the front frame portion and extend along a side edge of the seat cushion, and a reinforcing frame that connects the pair of side frames. And
The leg members are each fixed to a bent portion that continues the front frame portion and the side frame portion, protrude downward from the bent portion, and support the bent portion at a predetermined height on the floor surface,
The reinforcing bracket connects the upright portion and the reinforcing frame. A seat cushion structure for a simple vehicle seat.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012-004439 | 2012-01-12 | ||
| JP2012004439A JP2013141960A (en) | 2012-01-12 | 2012-01-12 | Seat cushion structure for simple vehicle seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2013105560A1 true WO2013105560A1 (en) | 2013-07-18 |
Family
ID=48781507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2013/050141 WO2013105560A1 (en) | 2012-01-12 | 2013-01-09 | Seat cushion structure for simple vehicle seat |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2013141960A (en) |
| WO (1) | WO2013105560A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3021919A1 (en) * | 2014-06-05 | 2015-12-11 | Peugeot Citroen Automobiles Sa | MOTOR VEHICLE SEAT SEAT FRAME COMPRISING AN ANTI-SUBMARINE DEVICE |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7143684B2 (en) * | 2018-08-30 | 2022-09-29 | トヨタ自動車株式会社 | vehicle seat |
| JP7083457B2 (en) * | 2019-07-02 | 2022-06-13 | トヨタ自動車株式会社 | Seat |
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| JP4358318B2 (en) * | 1998-03-05 | 2009-11-04 | アイシン精機株式会社 | Seat frame |
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| JP3225840B2 (en) * | 1996-05-12 | 2001-11-05 | トヨタ車体株式会社 | Seat cushion frame |
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| Publication number | Publication date |
|---|---|
| JP2013141960A (en) | 2013-07-22 |
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