JP2024003652A - Occupant protection device - Google Patents

Occupant protection device Download PDF

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JP2024003652A
JP2024003652A JP2022102940A JP2022102940A JP2024003652A JP 2024003652 A JP2024003652 A JP 2024003652A JP 2022102940 A JP2022102940 A JP 2022102940A JP 2022102940 A JP2022102940 A JP 2022102940A JP 2024003652 A JP2024003652 A JP 2024003652A
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occupant
external force
receiving portion
force receiving
protection device
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将央 北村
Masachika Kitamura
崇 飯田
Takashi Iida
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Toyoda Gosei Co Ltd
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Toyoda Gosei Co Ltd
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Abstract

PROBLEM TO BE SOLVED: To provide an occupant protection device simply configured and capable of appropriately protecting an occupant even in a vehicle of a type having no door.
SOLUTION: An occupant protecting device S can protect an occupant seated on a seat 1 when external force going from a side to the inside of a vehicle acts. The occupant protecting device comprises: an occupant receiving part 15 that is fixed to the seat; an external force receiving part 20; and a moving mechanism 25 that can move the external force receiving part with respect to the occupant receiving part. The occupant receiving part is formed in a nearly plane shape, and the external force receiving part is formed in a nearly plane shape which is arranged in nearly parallel to the occupant receiving part. The moving mechanism moves connection arm parts 26 having a pair of arm main bodies 28 and 29 whose one ends are turnably connected to each other and whose other ends are turnably connected to the occupant receiving part or to the external force receiving part, nearly along a longitudinal direction, so that the parts are arranged in parallel at two positions in a vertical direction. The connection arm parts are arranged such that interconnection ends 28a and 29a separate from each other at a front side and at a rear side.
SELECTED DRAWING: Figure 4
COPYRIGHT: (C)2024,JPO&INPIT

Description

本発明は、車両の衝突時における外力の作用時に、シートに着座している乗員を保護可能な乗員保護装置に関する。 The present invention relates to an occupant protection device capable of protecting an occupant seated on a seat when an external force is applied during a vehicle collision.

通常、車両のシートに着座している乗員を保護するための装置としては、膨張したエアバッグによって、乗員の保護対象部位を保護するエアバッグ装置が、使用されている。また、昨今では、一人乗り用で、ドアを備えず、乗員(運転者)の左右の側方が開放された状態の車両もある(例えば、特許文献1参照)。 2. Description of the Related Art Generally, as a device for protecting an occupant seated in a vehicle seat, an airbag device is used, which protects a portion of the occupant to be protected using an inflated airbag. Furthermore, recently, there are also vehicles for single-seater vehicles that do not have doors and have left and right sides open for the passenger (driver) (see, for example, Patent Document 1).

特開2014-83858公報Japanese Patent Application Publication No. 2014-83858

このように、ドアを備えない車両の場合、単にエアバッグを膨張させるだけでは、乗員の側方を的確に保護し難かった。また、通常、エアバッグ装置では、エアバッグは、インフレーターを用いて膨張させる構成であることから、簡便な構成として乗員を保護する点に、改善の余地があった。 As described above, in the case of a vehicle without doors, it is difficult to accurately protect the occupant's sides by simply inflating the airbag. In addition, since the airbag device is usually configured to inflate using an inflator, there is room for improvement in protecting the occupant with a simple configuration.

本発明は、上述の課題を解決するものであり、簡便な構成として、ドアを備えないタイプの車両であっても、乗員を的確に保護可能な乗員保護装置を提供することを目的とする。 The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide an occupant protection device that has a simple configuration and can accurately protect an occupant even in a type of vehicle that does not have a door.

本発明に係る乗員保護装置は、車両の側方から内方に向かうような外力の作用時に、シートに着座している乗員を保護可能な乗員保護装置であって、
乗員の側方に配置されて、シートに対して固定されるとともに乗員における保護対象部位を受け止め可能な乗員受止部と、外力作用側に配置されて外力を受け止め可能な外力受止部と、外力受止部を乗員受止部に対して移動可能な移動機構と、を備える構成とされて、
乗員受止部が、形状保持性を有した素材から形成されるとともに、シートにおける座部と背もたれ部との間を塞ぐようにして、保護対象部位の側方を覆うように、上下方向に略沿って配置される略平板状とされ、
外力受止部が、形状保持性を有した素材から形成されるとともに、乗員受止部の外側において、乗員受止部と略平行に配置される略平板状として構成され、
移動機構が、一端側を相互に回動可能に連結されて他端側を乗員受止部若しくは外力受止部に対して回動可能に連結される一対のアーム本体を有した連結アーム部を、前後方向に略沿わせるようにして、少なくとも上下方向側で2箇所に並設させる構成とされ、
各連結アーム部が、上下方向側から見た状態で、アーム本体相互を回動可能に連結させる相互連結端を、前側と後側とで相互に離隔させるように、配置され、、
外力受止部が、移動機構により、乗員受止部に対して平行移動可能とされていることを特徴とする。
The occupant protection device according to the present invention is an occupant protection device capable of protecting an occupant seated on a seat when an external force acts inward from the side of the vehicle, and includes:
an occupant receiving part that is disposed on the side of the occupant and is fixed to the seat and can receive a part of the occupant to be protected; an external force receiving part that is disposed on the external force acting side and capable of receiving external force; A moving mechanism capable of moving the external force receiving part relative to the occupant receiving part,
The occupant receiving portion is formed of a material that retains its shape, and extends approximately in the vertical direction so as to close the gap between the seat portion and the backrest portion of the seat and cover the sides of the area to be protected. It has a substantially flat plate shape arranged along the
The external force receiving portion is formed from a material having shape retention properties, and is configured as a substantially flat plate disposed approximately parallel to the occupant receiving portion on the outside of the occupant receiving portion,
The moving mechanism includes a connecting arm portion having a pair of arm bodies whose one end side is rotatably connected to each other and the other end side is rotatably connected to the occupant receiving portion or the external force receiving portion. , are configured to be arranged in parallel at least in two places on the vertical side, so as to be substantially along the front-back direction,
Each connecting arm section is arranged so that the interconnecting ends that rotatably connect the arm bodies to each other are separated from each other on the front side and the rear side when viewed from the vertical side,
It is characterized in that the external force receiving part is movable in parallel with respect to the occupant receiving part by a moving mechanism.

本発明の乗員保護装置では、車両の側方から内方に向かうような外力の作用時に、共に形状保持性を有した素材から形成されて平板状とされる乗員受止部と外力受止部とが、相互に重ねられた状態で、乗員における保護対象部位の側方を覆うように、配設されることとなる。そのため、本発明の乗員保護装置では、乗員の側方を覆うようなドアを備えないタイプの車両に搭載し、外力受止部が、外力を作用させる車両等と接触することとなっても、外力を作用させる車両等のさらなる進入を抑制することができ、また、乗員受止部によって、保護対象部位を的確に拘束することができる。特に、本発明の乗員保護装置では、乗員受止部は、シートに対して固定された状態で、シートにおける座部と背もたれ部との間を塞ぐようにして、乗員の保護対象部位の側方を覆っていることから、乗員が反動で外方(外力受止部側)に向かうように移動しようとしても、乗員受止部によって、このような移動を的確に規制することができる。 In the occupant protection device of the present invention, when an external force acts inward from the side of the vehicle, the occupant receiving portion and the external force receiving portion are both made of a shape-retentive material and have a flat plate shape. are arranged so as to cover the side of the part of the occupant to be protected in a state where they are stacked on top of each other. Therefore, even if the occupant protection device of the present invention is installed in a type of vehicle that does not have a door that covers the sides of the occupant, and the external force receiving part comes into contact with a vehicle or the like that applies an external force, Further entry of a vehicle or the like that applies an external force can be suppressed, and the part to be protected can be accurately restrained by the occupant receiving part. Particularly, in the occupant protection device of the present invention, the occupant receiving portion is fixed to the seat and closes the space between the seat and the backrest of the seat, so that the occupant receiving portion is positioned on the side of the area of the occupant to be protected. Therefore, even if the occupant tries to move outward (toward the external force receiving section) due to reaction, such movement can be accurately restricted by the occupant receiving section.

また、本発明の乗員保護装置では、乗員受止部はシートに対して固定されるものの、外力受止部は、移動機構により、乗員受止部に対して平行移動可能とされており、移動機構としては、連結アーム部を、前後方向に略沿わせるようにして、少なくとも上下方向側で2箇所に並設させる構成である。各連結アーム部は、一端側を相互に回動可能に連結されて他端側を乗員受止部若しくは外力受止部に対して回動可能に連結される一対のアーム本体を有する構成とされている。すなわち、本発明の乗員保護装置では、乗員受止部と外力受止部とが、内外方向側(左右方向側)で略対向する領域を、連結アーム部によって連結されていることから、外力受止部と乗員受止部との大きさを同等に設定することも可能となって、乗員を実際に受け止める面の面積と、外力を実際に受け止める面の面積と、を、極力広く確保することができる。さらに、本発明の乗員保護装置では、外力受止部は、乗員受止部から離隔した状態で配置されていても、乗員受止部による保護対象部位の受止時(外力受止部への車両等による外力作用時)には、乗員受止部側に移動することとなるが、外力受止部と乗員受止部との間に、連結アーム部が、上下で2箇所に介在されて、外力受止部と乗員受止部との間の隙間を塞ぐことから、車両等と接触しつつ保護対象部位を受け止める部位の実質的な板厚を、連結アーム部(アーム本体)の分、厚くすることができて、剛性を高めて、乗員の安定した保護性能を確保することができる。また、本発明の乗員保護装置では、乗車時等において、乗員の好みに応じて、乗員受止部と外力受止部との離隔距離を適宜設定することもできる。さらに、外力受止部を乗員受止部に対して離隔させた状態で配置させておけば、乗降時等において乗員が外力受止部に接触してしまった場合にも、外力受止部が乗員受止部に対して平行移動することによって、このような乗員の接触によるエネルギーを吸収させることができ、乗員受止部自体が、シートに対して動くことを抑制できて、乗員受止部のシートに対する固定状態を安定して維持させることができる。 Further, in the occupant protection device of the present invention, although the occupant receiving portion is fixed to the seat, the external force receiving portion is movable in parallel to the occupant receiving portion by the moving mechanism. The mechanism is such that the connecting arm portions are arranged in parallel at least in two locations on the vertical side so as to be substantially along the front-rear direction. Each connecting arm portion has a pair of arm bodies that are rotatably connected to each other at one end and rotatably connected to the occupant receiving portion or the external force receiving portion at the other end. ing. That is, in the occupant protection device of the present invention, the areas where the occupant receiving part and the external force receiving part substantially face each other in the inward and outward directions (left and right directions) are connected by the connecting arm part. It is also possible to set the size of the stop part and the passenger receiving part to be the same, so that the area of the surface that actually receives the passenger and the area of the surface that actually receives external force are secured as wide as possible. I can do it. Furthermore, in the occupant protection device of the present invention, even if the external force receiving section is arranged at a distance from the occupant receiving section, when the occupant receiving section receives the area to be protected (the external force receiving section is When an external force is applied by a vehicle, etc.), it will move toward the occupant receiving part, but connecting arms are interposed at two locations, upper and lower, between the external force receiving part and the occupant receiving part. Since the gap between the external force receiving part and the occupant receiving part is closed, the actual plate thickness of the part that receives the protection target part while in contact with the vehicle etc. is reduced by the thickness of the connecting arm part (arm body). It can be made thicker and more rigid, ensuring stable protection for occupants. Further, in the occupant protection device of the present invention, the separation distance between the occupant receiving portion and the external force receiving portion can be appropriately set according to the preference of the occupant during riding or the like. Furthermore, by arranging the external force receiving part at a distance from the passenger receiving part, even if the passenger comes into contact with the external force receiving part when getting on or off the vehicle, the external force receiving part can be By moving parallel to the occupant receiving portion, energy caused by such contact with the occupant can be absorbed, and the occupant receiving portion itself can be restrained from moving relative to the seat, and the occupant receiving portion can be moved in parallel to the occupant receiving portion. The state of fixation to the sheet can be stably maintained.

したがって、本発明の乗員保護装置では、簡便な構成として、ドアを備えないタイプの車両であっても、乗員を的確に保護することができる。 Therefore, the occupant protection device of the present invention has a simple configuration and can accurately protect the occupant even in a type of vehicle that does not have a door.

また、本発明の乗員保護装置において、連結アーム部を、乗員受止部の上端側及び下端側と、上下の中間部位と、に配設させる構成とすれば、乗員受止部と外力受止部との間に、少なくとも3つの連結アーム部が介在されることとなって、連結アーム部を2箇所に設ける場合と比較して、乗員受止部と外力受止部との間に生じる隙間を小さくすることができ、乗員の保護性能を一層増大させることが可能となって好ましい。 Further, in the occupant protection device of the present invention, if the connecting arm portion is disposed at the upper end side and lower end side of the occupant receiving portion and at an intermediate portion between the upper and lower sides, the occupant receiving portion and the external force receiving portion may be disposed. Since at least three connecting arm sections are interposed between the passenger receiving section and the external force receiving section, the gap created between the occupant receiving section and the external force receiving section is reduced compared to the case where the connecting arm sections are provided at two locations. This is preferable because it is possible to make it smaller and further increase the protection performance for the occupant.

さらに、上記構成の乗員保護装置において、連結アーム部を、各々の相互連結端を前後に分かれて配置される数を同数として、偶数個配設させる構成とすれば、外力受止部を前後でバランスよく移動させることができ、また、乗員受止部と外力受止部との間に生じる隙間を一層小さくすることが可能となって、乗員の保護性能をより一層増大させることができて、好ましい。 Furthermore, in the occupant protection device having the above configuration, if an even number of connecting arm portions are arranged, with the same number of interconnecting arms separated in the front and rear, the external force receiving portions can be arranged in the front and rear. It is possible to move the vehicle in a well-balanced manner, and it is also possible to further reduce the gap created between the occupant receiving portion and the external force receiving portion, thereby further increasing the protection performance for the occupant. preferable.

本発明の一実施形態である乗員保護装置を搭載させる車両の概略側面図である。1 is a schematic side view of a vehicle equipped with an occupant protection device according to an embodiment of the present invention. 実施形態の乗員保護装置を搭載させる車両の概略正面図である。FIG. 1 is a schematic front view of a vehicle equipped with an occupant protection device according to an embodiment. 実施形態の乗員保護装置の側面図である。FIG. 2 is a side view of the occupant protection device according to the embodiment. 実施形態の乗員保護装置の平面図であり、外力受止部の移動前の状態を示す。FIG. 2 is a plan view of the occupant protection device according to the embodiment, showing a state before the external force receiving portion is moved. 実施形態の乗員保護装置の平面図であり、外力受止部の移動後の状態を示す。FIG. 2 is a plan view of the occupant protection device according to the embodiment, showing the state after the external force receiving portion has been moved. 実施形態の乗員保護装置の正面図であり、外力受止部の移動前の状態を示す。FIG. 2 is a front view of the occupant protection device according to the embodiment, showing a state before the external force receiving portion is moved. 実施形態の乗員保護装置の正面図であり、外力受止部の移動後の状態を示す。FIG. 2 is a front view of the occupant protection device according to the embodiment, showing the state after the external force receiving portion has been moved. 実施形態の乗員保護装置の概略斜視図であり、外力受止部の移動前の状態を示す。FIG. 2 is a schematic perspective view of the occupant protection device according to the embodiment, showing a state before the external force receiving portion is moved. 図5のIX-IX部位の概略断面図である。6 is a schematic cross-sectional view of the IX-IX section in FIG. 5. FIG. 図5のX-X部位の概略断面図である。6 is a schematic cross-sectional view taken along line XX in FIG. 5. FIG. 実施形態の乗員保護装置において、連結アーム部における相互連結端と離隔側端部との部位を示す概略断面図である。FIG. 2 is a schematic cross-sectional view showing a mutually connecting end and a remote end of a connecting arm in the occupant protection device of the embodiment. 実施形態の乗員保護装置において、外力作用時の状態を示す概略縦断面図である。FIG. 2 is a schematic vertical cross-sectional view showing a state in which an external force is applied to the occupant protection device according to the embodiment.

以下、本発明の一実施形態を図面に基づいて説明する。実施形態の乗員保護装置Sは、図1,2に示すように、一人乗り用の車両Vに搭載されている。この車両Vは、図1に示すように、ドアを備えず、乗員としての運転者MDがシート1に着座している状態において、運転者MDの左右の側方は、開放されている。また、実施形態の乗員保護装置Sは、保護対象部位として、乗員としての運転者MDの腰部MWを、保護可能な構成とされている。 Hereinafter, one embodiment of the present invention will be described based on the drawings. The occupant protection device S of the embodiment is mounted on a one-person vehicle V, as shown in FIGS. 1 and 2. As shown in FIG. 1, this vehicle V does not have a door, and when the driver MD as a passenger is seated on the seat 1, the left and right sides of the driver MD are open. Further, the occupant protection device S of the embodiment is configured to be able to protect the lower back MW of the driver MD as a passenger as a region to be protected.

シート1は、座部3と背もたれ部2とを備える構成とされている。具体的には、シート1において、背もたれ部2は、座部3と直接連結されておらず、左右両縁側において、背もたれ部2に略沿って下方に延びるように配置される連結パイプ5L,5Rを利用して、座部3と連結されている(図2参照)。詳細には、背もたれ部2は、左縁側の領域と右縁側の領域とを、それぞれ、下半分程度を切り欠かれるように構成されており、連結パイプ5L,5Rは、この背もたれ部2における切り欠かれている領域において、背もたれ部2に略沿うように上下方向に略沿って(詳細には、下端側を前方に位置させるように、鉛直方向に対して僅かに傾斜して、図1参照)、配設されている。この連結パイプ5L,5Rは、運転者MDの着座時に、運転者MDの腰部から背中にかけての後左側と後右側とに配置されることとなる。 The seat 1 is configured to include a seat portion 3 and a backrest portion 2. Specifically, in the seat 1, the backrest part 2 is not directly connected to the seat part 3, but connecting pipes 5L and 5R are arranged to extend downward substantially along the backrest part 2 on both left and right edge sides. It is connected to the seat part 3 using the (see FIG. 2). Specifically, the backrest portion 2 is configured such that about the lower half of the left edge region and the right edge region are cut out, respectively, and the connecting pipes 5L and 5R are cut out in the backrest portion 2. In the missing area, it is slightly tilted with respect to the vertical direction so that the lower end side is located forward, approximately in the vertical direction so as to roughly follow the backrest part 2 (see Fig. 1). ), are arranged. The connecting pipes 5L and 5R are arranged on the rear left side and the rear right side from the waist to the back of the driver MD when the driver MD is seated.

乗員保護装置Sは、乗員としての運転者MDの側方に配置されるもので、実施形態では、右側の連結パイプ5Rに取り付けられるようにして、運転者MDの腰部MWの右方に配置されている(図1,2参照)。乗員保護装置Sは、図3~8に示すように、運転者MDにおける保護対象部位としての腰部MWを受け止め可能な乗員受止部15と、外力作用側(実施形態の場合、右側)に配置される外力受止部20と、外力受止部20を乗員受止部15に対して移動可能な移動機構25と、乗員受止部15をシート1側に取り付ける取付部材10と、を備えている。乗員受止部15及び外力受止部20は、形状保持性を有した素材から形成されるもので、実施形態の場合、合成樹脂製の板状体とされている。また、実施形態の乗員保護装置Sでは、取付部材10と、移動機構25を構成する連結アーム部26(内側アーム本体28,外側アーム本体29)も、乗員受止部15及び外力受止部20と同様に、合成樹脂製とされている。 The occupant protection device S is placed on the side of the driver MD as a passenger, and in the embodiment, it is placed on the right side of the waist MW of the driver MD so as to be attached to the right side connecting pipe 5R. (See Figures 1 and 2). As shown in FIGS. 3 to 8, the occupant protection device S includes an occupant receiving portion 15 that can receive the lower back MW of the driver MD as a region to be protected, and is disposed on the external force acting side (in the case of the embodiment, the right side). a moving mechanism 25 that can move the external force receiving part 20 relative to the passenger receiving part 15, and a mounting member 10 for attaching the passenger receiving part 15 to the seat 1 side. There is. The occupant receiving portion 15 and the external force receiving portion 20 are formed from a material that has shape retention properties, and in the case of the embodiment, are plate-shaped bodies made of synthetic resin. Further, in the occupant protection device S of the embodiment, the mounting member 10 and the connecting arm portion 26 (inner arm main body 28, outer arm main body 29) constituting the moving mechanism 25 are also connected to the occupant receiving portion 15 and the external force receiving portion 20. Similarly, it is made of synthetic resin.

取付部材10は、連結パイプ5Rに取り付けられるもので、乗員受止部15の後面側を支持するようにして乗員受止部15を連結させる連結壁部11と、連結壁部11の内端部側(実施形態の場合、左端11b側)に配置されて連結パイプ5Rに取付可能とされる取付環部13U,13Dと、を備えている。取付環部13U,13Dは、連結パイプ5Rを挿通させて連結パイプ5Rに取付可能とされるもので、連結壁部11から後方に延びるようにして、連結壁部11の上端側と下端側との2箇所に、形成されている。連結壁部11は、平板状として、左右方向に略沿うように連結パイプ5Rから右方に延びるようにして、上下方向に略沿って、配設されている(図3~7参照)。連結壁部11における元部側(取付環部13U,13D側であり、すなわち、左端11b側)には、連結壁部11と略直交するようにして、乗員受止部15が固定されている。また、実施形態では、外力受止部20は、後端面20fを、連結壁部11の前面11aに対してスライドさせるようにして、乗員受止部15に対して平行移動する構成とされている(図4,5参照)。そして、連結壁部11における右縁11c側には、詳細な図示は省略するが、外力受止部20のさらなる右方への移動を規制するためのストッパが、配設されている。 The attachment member 10 is attached to the connecting pipe 5R, and includes a connecting wall portion 11 that connects the occupant receiving portion 15 so as to support the rear side of the occupant receiving portion 15, and an inner end portion of the connecting wall portion 11. Attachment ring portions 13U and 13D are provided on the side (in the case of the embodiment, the left end 11b side) and are attachable to the connecting pipe 5R. The attachment ring portions 13U and 13D can be attached to the connecting pipe 5R by inserting the connecting pipe 5R therethrough, and extend rearward from the connecting wall portion 11 to connect the upper end side and the lower end side of the connecting wall portion 11. It is formed in two places. The connecting wall portion 11 has a flat plate shape and is disposed approximately along the vertical direction so as to extend rightward from the connecting pipe 5R approximately along the left-right direction (see FIGS. 3 to 7). An occupant receiving portion 15 is fixed to the base side of the connecting wall portion 11 (the mounting ring portions 13U and 13D side, that is, the left end 11b side) so as to be substantially perpendicular to the connecting wall portion 11. . Further, in the embodiment, the external force receiving portion 20 is configured to move parallel to the occupant receiving portion 15 by sliding the rear end surface 20f with respect to the front surface 11a of the connecting wall portion 11. (See Figures 4 and 5). Although detailed illustration is omitted, a stopper is provided on the right edge 11c side of the connecting wall portion 11 to restrict further rightward movement of the external force receiving portion 20.

乗員受止部15は、シート1における座部3と背もたれ部2との境界部位付近の空間を塞ぐようにして、保護対象部位としての運転者MDの腰部MWの側方(右方)を広く覆い可能とされるもので、実施形態の場合、外形形状を、前後方向側をやや幅広とした略長方形板状とされている(図3参照)。この乗員受止部15は、上述したごとく、取付部材10における連結壁部11の左端11b側に固定されることにより、シート1に対して固定されるもので、連結壁部11と略直交するように、連結壁部11から前後方向に略沿うように前方に突出しつつ、上下方向に略沿って配設されている(図4~8参照)。詳細には、乗員受止部15は、シート1における座部3の右縁3aの略直上となる位置に、配設されている(図6参照)。すなわち、乗員受止部15は、シート1に着座している運転者MDの腰部MWの近傍において、長手方向を前後方向に略沿わせ、運転者MDの移動方向に対して略直交するように上下方向に略沿って、腰部MWの右方を広く覆うように、配設されている。乗員受止部15の上下方向側の幅寸法は、連結壁部11の上下方向側の幅寸法と略同一に、設定されている(図6,7参照)。 The occupant receiving portion 15 covers a space near the boundary between the seat portion 3 and the backrest portion 2 in the seat 1, and widens the side (right side) of the lower back MW of the driver MD, which is the area to be protected. It can be covered, and in the case of the embodiment, the outer shape is a substantially rectangular plate shape that is slightly wider on the front and back sides (see FIG. 3). As described above, this occupant receiving portion 15 is fixed to the seat 1 by being fixed to the left end 11b side of the connecting wall portion 11 in the mounting member 10, and is substantially orthogonal to the connecting wall portion 11. As shown in FIGS. 4 to 8, it protrudes forward from the connecting wall portion 11 along the front-rear direction and is disposed approximately along the vertical direction (see FIGS. 4 to 8). Specifically, the occupant receiving portion 15 is disposed at a position substantially directly above the right edge 3a of the seat portion 3 of the seat 1 (see FIG. 6). That is, the occupant receiving portion 15 is arranged so that its longitudinal direction is substantially along the front-rear direction and is substantially orthogonal to the moving direction of the driver MD in the vicinity of the waist MW of the driver MD seated on the seat 1. It is disposed substantially along the vertical direction so as to broadly cover the right side of the waist MW. The vertical width dimension of the occupant receiving portion 15 is set to be approximately the same as the vertical width dimension of the connecting wall portion 11 (see FIGS. 6 and 7).

乗員受止部15において、外力受止部20側となる右側面15e側には、移動機構25を構成する後述する連結アーム部26を軸支させるための回動軸部17が、右方に突出するように形成されている(図4,6,8参照)。この回動軸部17は、各連結アーム部26における後述する内側アーム本体28の離隔側端部28bに配設される軸受部28baを連結させるもので、この離隔側端部28bに対応して、乗員受止部15の前端15a側と後端15b側とに2箇所ずつ、計4箇所に、形成されている。各回動軸部17は、それぞれ、図10及び図11のAに示すように、乗員受止部15から右方に突出する連結片部17aと、連結片部17aから下方に突出するように形成される軸本体17bと、を備えている。連結片部17aは、平板状として、先端側の縁部を略半円弧状とされるもので、乗員受止部15からの突出量(左右方向側の幅寸法W3、図11のA参照)を、内側アーム本体28の幅寸法W2(図9参照)と略同一に、設定されている。 In the occupant receiving portion 15, on the right side surface 15e side which is the external force receiving portion 20 side, a rotation shaft portion 17 for pivotally supporting a connecting arm portion 26, which will be described later and which constitutes the moving mechanism 25, is provided on the right side. It is formed to protrude (see FIGS. 4, 6, and 8). This rotating shaft portion 17 connects a bearing portion 28ba disposed at a remote side end portion 28b of an inner arm main body 28, which will be described later, in each connecting arm portion 26, and corresponds to this remote side end portion 28b. , are formed at four locations, two each on the front end 15a side and the rear end 15b side of the occupant receiving portion 15. As shown in FIGS. 10 and 11A, each rotation shaft portion 17 is formed to have a connecting piece portion 17a that projects to the right from the occupant receiving portion 15, and a connecting piece portion 17a that projects downwardly from the connecting piece portion 17a. and a shaft body 17b. The connecting piece 17a has a flat plate shape with a tip edge having a substantially semicircular arc shape, and has a protruding amount from the occupant receiving portion 15 (width dimension W3 in the left-right direction, see A in FIG. 11). is set to be substantially the same as the width W2 (see FIG. 9) of the inner arm main body 28.

外力受止部20は、乗員受止部15の外側(実施形態の場合、右側)に配置されるもので、外形形状を、乗員受止部15と略平行に配置される略平板状とされている。具体的には、実施形態の場合、外力受止部20は、外形形状を、乗員受止部15と略一致させて、前後方向側をやや幅広とした略長方形板状とされている(図3,8参照)。この外力受止部20は、移動機構25を介して、乗員受止部15に対して平行移動可能に連結されている。外力受止部20において、乗員受止部15側となる左側面20e側には、連結アーム部26を軸支させるための軸受部22が、左方に突出するように、形成されている(図4,6,8参照)。軸受部22は、各連結アーム部26における外側アーム本体29の離隔側端部29bに配設される回動軸部29baを連結させるもので、この離隔側端部29bに対応して、外力受止部20の前端20a側と後端20b側とに2箇所ずつ、計4箇所に、形成されている。各軸受部22は、外力受止部20から左方に突出するように形成されるもので、略平板状として、先端側の縁部を略半円弧状として、中央に、外側アーム本体29の離隔側端部29bの回動軸部29baにおいて突出して形成される軸本体29bbを挿入可能な挿入用開口22aを、上方から凹ませるようにして、配設させている。この軸受部22の外力受止部20からの突出量(左右方向側の幅寸法W4、図11のC参照)は、外側アーム本体29の幅寸法W2(図9参照)と略同一に、設定されている。 The external force receiving portion 20 is disposed on the outside (in the case of the embodiment, on the right side) of the occupant receiving portion 15, and has a substantially flat outer shape disposed approximately parallel to the occupant receiving portion 15. ing. Specifically, in the case of the embodiment, the external force receiving portion 20 has an approximately rectangular plate shape whose external shape is approximately the same as that of the occupant receiving portion 15 and is slightly wider on the front and rear sides (see FIG. 3, 8). The external force receiving portion 20 is connected to the occupant receiving portion 15 via a moving mechanism 25 so as to be movable in parallel. In the external force receiving portion 20, a bearing portion 22 for pivotally supporting the connecting arm portion 26 is formed on the left side surface 20e side, which is the occupant receiving portion 15 side, so as to protrude to the left ( (See Figures 4, 6, and 8). The bearing portion 22 connects the rotation shaft portion 29ba disposed at the remote side end portion 29b of the outer arm main body 29 in each connecting arm portion 26, and corresponds to the remote side end portion 29b. They are formed at four locations, two on the front end 20a side and two on the rear end 20b side of the stop portion 20. Each bearing portion 22 is formed to protrude leftward from the external force receiving portion 20, and has a substantially flat plate shape, with a tip edge having a substantially semicircular arc shape, and an outer arm body 29 in the center. An insertion opening 22a into which a shaft main body 29bb, which is formed to protrude from the rotation shaft portion 29ba of the remote side end portion 29b, can be inserted is provided so as to be recessed from above. The amount of protrusion of the bearing portion 22 from the external force receiving portion 20 (width dimension W4 in the left-right direction, see C in FIG. 11) is set to be approximately the same as the width dimension W2 of the outer arm body 29 (see FIG. 9). has been done.

移動機構25は、外力受止部20を、乗員受止部15に対して平行移動可能に、乗員受止部15に連結させるもので、実施形態の場合、図6~10に示すように、連結アーム部26を、乗員受止部15及び外力受止部20の上端15c,20c側及び下端15d,20d側と、上下の中間部位の2箇所と、の4箇所に、並設させて構成されている。 The moving mechanism 25 connects the external force receiving section 20 to the occupant receiving section 15 so as to be movable in parallel to the occupant receiving section 15, and in the case of the embodiment, as shown in FIGS. 6 to 10, The connecting arm portions 26 are arranged in parallel at four locations: the upper end 15c, 20c side and the lower end 15d, 20d side of the occupant receiving portion 15 and the external force receiving portion 20, and two locations in the upper and lower intermediate portions. has been done.

各連結アーム部26は、一端側を相互に回動可能に連結されて他端側を乗員受止部15若しくは外力受止部20に対して回動可能に連結される一対のアーム本体28,29を、備えている。実施形態の場合、各連結アーム部26は、乗員受止部15側となる内側に配置される内側アーム本体28を、外力受止部20側となる外側に配置される外側アーム本体29の上側に位置させるようにして、一端側を相互に回動可能に連結させている(図8参照)。内側アーム本体28において相互に連結される相互連結端28aには、下面側から下方に突出するような軸本体28abを有する回動軸部28aaが形成され、外側アーム本体29の相互連結端29aは、この回動軸部28aaに対応した軸受部29aaを構成するもので、内側アーム本体28の相互連結端28aに形成される軸本体28abを挿入可能な挿入用開口29abを、上面を上方から凹ませるようにして、配設させている(図10,11のB参照)。各内側アーム本体28において、乗員受止部15に連結される離隔側端部28bには、乗員受止部15に形成される回動軸部17に連結される軸受部28baが、形成されている。各軸受部28baには、回動軸部17に形成される軸本体17bを挿入可能な挿入用開口28bbが、上面を上方から凹ませるようにして、形成されている(図10,11のA参照)。各外側アーム本体29において、外力受止部20に連結される離隔側端部29bには、外力受止部20に形成される軸受部22に連結される回動軸部29baが、形成されている。各回動軸部29baは、外力受止部20の軸受部22に形成される挿入用開口22aに挿入可能な軸本体29bbが、下面側から下方に突出するように、形成されている(図10,11のC参照)。実施形態では、内側アーム本体28,外側アーム本体29は、断面形状を左右に幅広の略長方形状とした略棒状とされるもので、図9に示すように、幅寸法W2を、乗員受止部15,外力受止部20の板厚W1と略同一とし、厚さ寸法tを、乗員受止部15,外力受止部20の板厚W1の5/6程度に設定されている。また、内側アーム本体28,外側アーム本体29は、図10に示すように、長さ寸法を、乗員受止部15,外力受止部20の前後方向側の幅寸法と略同一とするように、構成されている。 Each connecting arm section 26 includes a pair of arm bodies 28, whose one end side is rotatably connected to each other and the other end side is rotatably connected to the occupant receiving section 15 or the external force receiving section 20. It is equipped with 29. In the case of the embodiment, each connecting arm section 26 has an inner arm main body 28 disposed on the inner side facing the occupant receiving section 15 and an upper side of the outer arm main body 29 disposed on the outer side facing the external force receiving section 20. The two ends are rotatably connected to each other so that the two ends are positioned at (see FIG. 8). A rotating shaft portion 28aa having a shaft body 28ab protruding downward from the lower surface side is formed at the mutually connecting ends 28a of the inner arm body 28, and the mutually connecting ends 29a of the outer arm body 29 are formed. , which constitutes a bearing part 29aa corresponding to this rotation shaft part 28aa, and an insertion opening 29ab formed at the interconnecting end 28a of the inner arm body 28 into which the shaft body 28ab can be inserted is recessed from above on the upper surface. (See B in FIGS. 10 and 11). In each inner arm main body 28, a bearing portion 28ba connected to the rotation shaft portion 17 formed in the occupant receiving portion 15 is formed at the remote side end portion 28b connected to the occupant receiving portion 15. There is. Each bearing part 28ba has an insertion opening 28bb into which the shaft body 17b formed in the rotation shaft part 17 can be inserted, with the upper surface recessed from above (A in FIGS. 10 and 11). reference). In each outer arm main body 29, a rotation shaft portion 29ba connected to a bearing portion 22 formed in the external force receiving portion 20 is formed at a remote side end portion 29b connected to the external force receiving portion 20. There is. Each rotating shaft portion 29ba is formed such that a shaft body 29bb that can be inserted into an insertion opening 22a formed in the bearing portion 22 of the external force receiving portion 20 projects downward from the lower surface side (Fig. 10 , 11C). In the embodiment, the inner arm main body 28 and the outer arm main body 29 are substantially rod-shaped with a substantially rectangular cross-sectional shape that is wide laterally, and as shown in FIG. The thickness W1 of the passenger receiving portion 15 and the external force receiving portion 20 is approximately the same, and the thickness t is set to approximately 5/6 of the thickness W1 of the occupant receiving portion 15 and the external force receiving portion 20. Further, as shown in FIG. 10, the inner arm main body 28 and the outer arm main body 29 are designed so that the length dimension is approximately the same as the width dimension in the longitudinal direction of the occupant receiving portion 15 and the external force receiving portion 20. ,It is configured.

実施形態の乗員保護装置Sでは、外力受止部20は、外力受け止め時における乗員受止部15側への移動時に、連結アーム部26(内側アーム本体28,外側アーム本体29)を介して乗員受止部15と接触するようにして、乗員受止部15側への移動を止められることとなるが(図5,7参照)、このとき、連結アーム部26を構成している内側アーム本体28,外側アーム本体29は、幅寸法を同一として、長さ寸法を、乗員受止部15,外力受止部20の前後方向側の幅寸法と略同一に設定されていることから、上下で離れた4箇所において、それぞれ、乗員受止部15と外力受止部20との間に、前後の略全域にわたって、介在されることとなる(図5,10参照)。また、乗員受止部15,外力受止部20に形成される回動軸部17,軸受部22は、突出量を、内側アーム本体28,外側アーム本体29の幅寸法と略同一として、形成されていることから、内側アーム本体28,外側アーム本体29は、図9に示すように、乗員受止部15,外力受止部20間で、左側面28c,29c,右側面28d,29dを、それぞれ、乗員受止部15の右側面15e,外力受止部20の左側面20eに当接させるように、介在されることとなる。また、このとき、詳細な図示は省略するが、各回動軸部17における連結片部17aの外周面17aa(図11のA参照)は、外力受止部20の左側面20eに当接され、各軸受部22の外周面22b(図11のC参照)は、乗員受止部15の右側面15eに当接されることとなる。 In the occupant protection device S of the embodiment, the external force receiving section 20 is configured to protect the occupant from the occupant via the connecting arm section 26 (inner arm main body 28, outer arm main body 29) when moving toward the occupant receiving section 15 when receiving an external force. By coming into contact with the receiving portion 15, the movement toward the occupant receiving portion 15 is stopped (see FIGS. 5 and 7), but at this time, the inner arm main body forming the connecting arm portion 26 28. The outer arm main body 29 has the same width dimension and the length dimension is set to be approximately the same as the width dimension in the front and rear direction of the occupant receiving portion 15 and the external force receiving portion 20, so that the upper and lower sides are the same. At four separate locations, they are interposed between the occupant receiving portion 15 and the external force receiving portion 20 over substantially the entire front and rear areas (see FIGS. 5 and 10). Further, the rotation shaft portion 17 and the bearing portion 22 formed in the occupant receiving portion 15 and the external force receiving portion 20 are formed so that the amount of protrusion is approximately the same as the width dimension of the inner arm body 28 and the outer arm body 29. As shown in FIG. , are interposed so as to be brought into contact with the right side surface 15e of the occupant receiving portion 15 and the left side surface 20e of the external force receiving portion 20, respectively. Also, at this time, although detailed illustration is omitted, the outer circumferential surface 17aa (see A in FIG. 11) of the connecting piece 17a of each rotating shaft portion 17 is brought into contact with the left side surface 20e of the external force receiving portion 20, The outer circumferential surface 22b (see C in FIG. 11) of each bearing portion 22 comes into contact with the right side surface 15e of the occupant receiving portion 15.

そして、実施形態では、移動機構25を構成する各連結アーム部26は、前後方向に略沿うようにして上下方向側から見た状態で、内側アーム本体28,外側アーム本体29相互を回動可能に連結させる相互連結端28a,29aを、前側と後側とで相互に離隔させるように、配置されている。詳細には、実施形態の場合、上端側に配置される上側連結アーム部26Uと、上から3番目に配置される中間下側連結アーム部26CDと、が、相互連結端28a,29aを前側に位置させるように配置され、上から2番目に配置される中間上側連結アーム部26CUと、下端側に配置される下側連結アーム部26Dと、が、相互連結端28a,29aを後側に位置させるように配置されている(図8参照)。すなわち、実施形態の乗員保護装置Sでは、連結アーム部26が、各々の相互連結端28a,29aを前後に分かれて配置される数を同数(2個)として、4個配設されている。そして、実施形態の乗員保護装置Sでは、外力受止部20は、移動機構25により、後端面20fを、連結壁部11の前面11aに対してスライドさせるようにして、乗員受止部15に対して平行移動可能とされている(図4~7参照)。 In the embodiment, each of the connecting arm parts 26 constituting the moving mechanism 25 is capable of rotating the inner arm main body 28 and the outer arm main body 29 with respect to each other when viewed from the up-down direction while substantially along the front-rear direction. The interconnecting ends 28a and 29a that are connected to each other are arranged so as to be separated from each other on the front side and the rear side. Specifically, in the case of the embodiment, the upper connecting arm portion 26U disposed on the upper end side and the intermediate lower connecting arm portion 26CD disposed third from the top have mutual connecting ends 28a and 29a facing forward. The intermediate upper connecting arm part 26CU, which is placed second from the top, and the lower connecting arm part 26D, which is placed on the lower end side, are arranged such that the mutual connecting ends 28a and 29a are located on the rear side. (See Figure 8). That is, in the occupant protection device S of the embodiment, four connecting arm portions 26 are provided, with the same number (two) being arranged at the front and rear of each interconnecting end 28a, 29a. In the occupant protection device S according to the embodiment, the external force receiving section 20 is attached to the occupant receiving section 15 by sliding the rear end surface 20f with respect to the front surface 11a of the connecting wall section 11 using the moving mechanism 25. It is said that it is possible to move parallel to the other side (see Figs. 4 to 7).

実施形態では、各連結アーム部26を乗員受止部15及び外力受止部20に対して回動可能に連結させる回動軸部17,28aa,29baの軸本体17b,28ab,29bbが、図10,11に示すように、全て、下方に突出するように配設される構成であるものの、これらの軸本体17b,28ab,29bbは、軸受部22,28ba,29aa側との連結状態を安定して保持可能に、対応する挿入用開口22a,28bb,29abに対して若干無理嵌めされるようにして、挿入されている。なお、この軸本体17b,28ab,29bbの挿入用開口22a,28bb,29abに対する嵌合度合(嵌合強度)は、外力受止部20を、運転者MDの手等で引っ張ったり押したりすることにより、容易に、乗員受止部15に対して平行移動可能で、かつ、移動完了後に手を離せば、外力受止部20の静止状態を維持可能な程度に、設定されている。 In the embodiment, the shaft bodies 17b, 28ab, 29bb of the rotation shaft parts 17, 28aa, 29ba that rotatably connect the connection arm parts 26 to the occupant receiving part 15 and the external force receiving part 20 are shown in FIG. 10 and 11, these shaft bodies 17b, 28ab, and 29bb are all arranged so as to protrude downward, but these shaft bodies 17b, 28ab, and 29bb maintain a stable connection state with the bearing portions 22, 28ba, and 29aa. They are inserted into the corresponding insertion openings 22a, 28bb, and 29ab so as to be able to be held in place while being slightly force-fitted. The degree of fitting (fitting strength) of the shaft bodies 17b, 28ab, 29bb into the insertion openings 22a, 28bb, 29ab can be determined by pulling or pushing the external force receiving portion 20 with the driver MD's hand or the like. Therefore, the external force receiving part 20 is set to such an extent that it can easily move parallel to the occupant receiving part 15, and can maintain the stationary state of the external force receiving part 20 by releasing the hand after the movement is completed.

実施形態の乗員保護装置Sでは、車両Vに、右方側から内方側に向かうような外力Tが作用すると、この外力Tが、図12に示すように、外力受止部20を、内方に向かって押圧するような態様となる。そして、実施形態の乗員保護装置Sでは、車両Vの側方から内方に向かうような外力の作用時に、共に形状保持性を有した素材から形成されて平板状とされる乗員受止部15と外力受止部20とが、相互に重ねられた状態で、乗員としての運転者MDの保護対象部位である腰部MWの側方を覆うように、配設されることとなる。そのため、実施形態の乗員保護装置Sでは、乗員(運転者MD)の側方を覆うようなドアを備えないタイプの車両Vに搭載し、外力受止部20が、外力を作用させる車両等と接触することとなっても、外力を作用させる車両等のさらなる進入を抑制することができ、また、乗員受止部15によって、保護対象部としての腰部MWを的確に拘束することができる。特に、実施形態の乗員保護装置Sでは、乗員受止部15は、シート1に対して固定された状態で、シート1における座部3と背もたれ部2との間を塞ぐようにして、運転者MDの腰部MWの側方を覆っていることから、運転者MDが反動で外方(外力受止部20側)に向かうように移動しようとしても、乗員受止部15によって、このような移動を的確に規制することができる。 In the occupant protection device S of the embodiment, when an external force T acts on the vehicle V from the right side toward the inside, this external force T causes the external force receiving part 20 to move inside, as shown in FIG. It looks like it's being pressed in a direction. In the occupant protection device S of the embodiment, the occupant receiving portion 15 is made of a material that retains its shape and is shaped like a flat plate when an external force acts inward from the side of the vehicle V. and the external force receiving part 20 are arranged so as to cover the sides of the lower back MW, which is the part to be protected, of the driver MD as a passenger, in a stacked state. Therefore, the occupant protection device S of the embodiment is installed in a type of vehicle V that does not have a door that covers the side of the occupant (driver MD), and the external force receiving part 20 is connected to a vehicle or the like on which an external force is applied. Even if contact occurs, further entry of a vehicle or the like that applies an external force can be suppressed, and the occupant receiving portion 15 can accurately restrain the waist MW as the protected portion. In particular, in the occupant protection device S of the embodiment, the occupant receiving portion 15 is fixed to the seat 1 and closes the space between the seat portion 3 and the backrest portion 2 of the seat 1, so that the occupant receiving portion 15 can Since it covers the sides of the waist part MW of the MD, even if the driver MD attempts to move outward (toward the external force receiving part 20 side) due to reaction, the occupant receiving part 15 prevents such movement. can be regulated accurately.

また、実施形態の乗員保護装置Sでは、乗員受止部15はシート1に対して固定されるものの、外力受止部20は、移動機構25により、乗員受止部15に対して平行移動可能とされており、移動機構25としては、連結アーム部26を、前後方向に略沿わせるようにして、少なくとも上下方向側で2箇所に並設させる構成である。各連結アーム部26は、一端側を相互に回動可能に連結されて他端側を乗員受止部15若しくは外力受止部20に対して回動可能に連結される一対のアーム本体28,29を有する構成とされている。すなわち、実施形態の乗員保護装置Sでは、乗員受止部15と外力受止部20とが、内外方向側(左右方向側)で略対向する領域(実施形態の場合、回動軸部17と軸受部22であり、左右で略対向するように、配置されている)を、連結アーム部26によって連結されていることから、外力受止部20と乗員受止部15との大きさを同等に設定することも可能となって、乗員(運転者MD)を実際に受け止める面の面積と、外力を実際に受け止める面の面積と、を、極力広く確保することができる。さらに、実施形態の乗員保護装置Sでは、外力受止部20は、乗員受止部15から離隔した状態で配置されていても、乗員受止部15による腰部MWの受止時(外力受止部20への車両等による外力作用時)には、乗員受止部15側に移動することとなるが、外力受止部20と乗員受止部15との間に、連結アーム部26が、少なくとも上下で2箇所(実施形態の場合、4箇所)に介在されて、外力受止部20と乗員受止部15との間の隙間を塞ぐことから、車両等と接触しつつ保護対象部位としての腰部MWを受け止める部位の実質的な板厚を、連結アーム部26(アーム本体28,29)の分、厚くすることができて、剛性を高めて、乗員(運転者MD)の安定した保護性能を確保することができる。また、実施形態の乗員保護装置Sでは、乗車時等において、乗員の好みに応じて、乗員受止部15と外力受止部20との離隔距離を適宜設定することもできる。さらに、外力受止部20を乗員受止部15に対して離隔させた状態で配置させておけば、乗降時等において乗員(運転者MD)が外力受止部20に接触してしまった場合にも、外力受止部20が乗員受止部15に対して平行移動することによって、このような乗員の接触によるエネルギーを吸収させることができ、乗員受止部15自体が、シート1に対して動くことを抑制できて、乗員受止部15のシート1に対する固定状態を安定して維持させることができる。 Further, in the occupant protection device S of the embodiment, although the occupant receiving portion 15 is fixed to the seat 1, the external force receiving portion 20 is movable in parallel to the occupant receiving portion 15 by the moving mechanism 25. The moving mechanism 25 has a configuration in which the connecting arm portions 26 are arranged in parallel at least in two places on the vertical side, so as to be substantially along the front-back direction. Each connecting arm section 26 includes a pair of arm bodies 28, whose one end side is rotatably connected to each other and the other end side is rotatably connected to the occupant receiving section 15 or the external force receiving section 20. 29. That is, in the occupant protection device S of the embodiment, the occupant receiving portion 15 and the external force receiving portion 20 are located in a region (in the case of the embodiment, the rotation shaft portion 17 and The external force receiving portion 20 and the occupant receiving portion 15 are of the same size because the bearing portions 22 (which are arranged so as to substantially face each other on the left and right sides) are connected by the connecting arm portion 26. This allows the area of the surface that actually receives the occupant (driver MD) and the area of the surface that actually receives external force to be as wide as possible. Furthermore, in the occupant protection device S of the embodiment, even if the external force receiving section 20 is arranged in a state separated from the occupant receiving section 15, when the occupant receiving section 15 receives the waist MW (external force receiving section 20 When an external force is applied to the portion 20 by a vehicle or the like), the connecting arm portion 26 moves toward the occupant receiving portion 15, and the connecting arm portion 26 is disposed between the external force receiving portion 20 and the occupant receiving portion 15. Since it is interposed in at least two places (in the case of the embodiment, four places) on the upper and lower sides and closes the gap between the external force receiving part 20 and the occupant receiving part 15, it can be used as a part to be protected while coming into contact with the vehicle etc. The substantial thickness of the part that receives the waist MW of the vehicle can be increased by the amount of the connecting arm section 26 (arm bodies 28, 29), increasing the rigidity and providing stable protection for the occupant (driver MD). performance can be ensured. Further, in the occupant protection device S of the embodiment, the separation distance between the occupant receiving portion 15 and the external force receiving portion 20 can be appropriately set according to the preference of the occupant during riding or the like. Furthermore, if the external force receiving part 20 is arranged in a state separated from the passenger receiving part 15, if the passenger (driver MD) comes into contact with the external force receiving part 20 when getting on or off the vehicle, etc. However, by moving the external force receiving portion 20 parallel to the occupant receiving portion 15, it is possible to absorb the energy caused by such contact with the occupant, and the occupant receiving portion 15 itself is moved in parallel to the occupant receiving portion 15. Therefore, the fixed state of the occupant receiving portion 15 to the seat 1 can be stably maintained.

したがって、実施形態の乗員保護装置Sでは、簡便な構成として、ドアを備えないタイプの車両であっても、乗員としての運転者MDを的確に保護することができる。 Therefore, the occupant protection device S of the embodiment has a simple configuration and can accurately protect the driver MD as an occupant even in a type of vehicle that does not have a door.

また、実施形態の乗員保護装置Sでは、連結アーム部26が、乗員受止部15の上端15c側及び下端15d側と、上下の中間部位と、に配設される構成であり、特に、実施形態では、連結アーム部26は、各々の相互連結端28a,29aを前後に分かれて配置される数を同数(2個)として、偶数個(4個)配設される構成である。そのため、外力受止部20を前後でバランスよく移動させることができ、また、連結アーム部26を上下の2箇所に配設させる場合と比較して、移動完了状態の外力受止部20と、乗員受止部15と、の間に生じる隙間を小さくすることが可能となって、乗員(運転者MD)の保護性能をより一層増大させることができる。なお、このような点を考慮しなければ、連結アーム部は、上下の2箇所のみに配設させる構成としてもよく、また、上下の中間部位を含めて、奇数個配設させる構成としてもよい。勿論、連結アーム部の配置数は4個に限定されるものではなく、4個以上(望ましくは、偶数個である6個や8個)とすることもできる。 Further, in the occupant protection device S of the embodiment, the connecting arm portion 26 is disposed at the upper end 15c side and the lower end 15d side of the occupant receiving portion 15, and at an upper and lower intermediate portion. In this embodiment, the connecting arm portions 26 are arranged in an even number (four pieces), with the same number (two pieces) being arranged with each interconnecting end 28a, 29a separated into the front and back. Therefore, the external force receiving section 20 can be moved forward and backward in a well-balanced manner, and compared to the case where the connecting arm section 26 is disposed at two locations, upper and lower, the external force receiving section 20 in a state of movement completion, It is possible to reduce the gap created between the passenger receiving portion 15 and the passenger receiving portion 15, and the protection performance for the passenger (driver MD) can be further increased. Note that if such points are not taken into account, the connecting arm portions may be arranged in only two locations, upper and lower, or may be arranged in an odd number, including the upper and lower intermediate locations. . Of course, the number of connecting arm portions to be arranged is not limited to four, and may be four or more (preferably an even number of six or eight).

特に、実施形態の乗員保護装置Sでは、連結アーム部26を構成している内側アーム本体28,外側アーム本体29が、幅寸法を同一として、長さ寸法を、乗員受止部15,外力受止部20の前後方向側の幅寸法と略同一に設定され、乗員受止部15,外力受止部20に形成される回動軸部17,軸受部22が、突出量を、内側アーム本体28,外側アーム本体29の幅寸法と略同一として、形成されている。すなわち、実施形態の乗員保護装置Sでは、乗員受止部15と外力受止部20との間に介在される連結アーム部26(内側アーム本体28,外側アーム本体29)が、外力受止部20の移動完了状態において、両側面(左側面28c,29c,右側面28d,29d)を、乗員受止部15と外力受止部20とに当接されるようにして、乗員受止部15,外力受止部20間に介在されることとなり(図9参照)、また、連結アーム部26(内側アーム本体28,外側アーム本体29)は、乗員受止部15と外力受止部20の幅方向の全域にわたって、配置されることとなる(図10参照)。そのため、外力を受け止めた外力受止部20の左側面20eを、上下で4箇所に並設される内側アーム本体28及び外側アーム本体29の右側面28d,29dの全面によって受け止めることができる。さらに具体的には、内側アーム本体28,外側アーム本体29は、厚さ寸法を、乗員受止部15,外力受止部20の板厚の5/6程度に、設定されており、実施形態の場合、乗員保護装置Sを前後方向側から見た状態で、外力受止部20の移動完了状態においては、4つの連結アーム部26(内側アーム本体28,外側アーム本体29)と、各連結アーム部26を乗員受止部15側若しくは外力受止部20側に連結させる回動軸部17及び軸受部22と、が、外力受止部20と乗員受止部15との間に略隙間なく配設されることとなる(図7参照)。すなわち、実施形態の乗員保護装置Sでは、回動軸部17における連結片部17aの厚さ分と、軸受部22の厚さ分と、の隙間以外は、乗員受止部15と外力受止部20との間は、連結アーム部26を構成する内側アーム本体28,外側アーム本体29によって塞がれるような態様となる(図10参照)。そのため、乗員受止部と外力受止部との間に、同じ板厚の板材に近似した部材が介在されるような態様となり、剛性を一層高めることができて、乗員(運転者MD)の安定した保護性能を確保することができる。 In particular, in the occupant protection device S of the embodiment, the inner arm main body 28 and the outer arm main body 29 constituting the connecting arm section 26 have the same width dimension, and the occupant receiving section 15 and the external force receiving section 15 have the same length dimension. The rotation shaft portion 17 and bearing portion 22 formed in the occupant receiving portion 15 and the external force receiving portion 20 are set to be approximately the same as the width dimension in the longitudinal direction of the stop portion 20, and the protruding amount is 28, the width dimension is approximately the same as that of the outer arm main body 29. That is, in the occupant protection device S of the embodiment, the connecting arm section 26 (inner arm main body 28, outer arm main body 29) interposed between the occupant receiving section 15 and the external force receiving section 20 is connected to the external force receiving section. 20, both side surfaces (left side surfaces 28c, 29c, right side surfaces 28d, 29d) are brought into contact with the occupant receiving section 15 and the external force receiving section 20, so that the occupant receiving section 15 , the external force receiving part 20 (see FIG. 9), and the connecting arm part 26 (inner arm main body 28, outer arm main body 29) is interposed between the occupant receiving part 15 and the external force receiving part 20. It will be arranged over the entire width direction (see FIG. 10). Therefore, the left side surface 20e of the external force receiving part 20, which has received the external force, can be received by the entire surface of the right side surfaces 28d and 29d of the inner arm body 28 and the outer arm body 29, which are arranged in four places vertically. More specifically, the thickness of the inner arm main body 28 and the outer arm main body 29 is set to about 5/6 of the plate thickness of the occupant receiving portion 15 and the external force receiving portion 20. In this case, when the occupant protection device S is viewed from the front-rear direction, the four connecting arms 26 (inner arm main body 28, outer arm main body 29) and each connecting The rotation shaft portion 17 and the bearing portion 22 that connect the arm portion 26 to the occupant receiving portion 15 side or the external force receiving portion 20 side are substantially spaced between the external force receiving portion 20 and the occupant receiving portion 15. (See Figure 7). That is, in the occupant protection device S of the embodiment, except for the gap between the thickness of the connecting piece portion 17a in the rotation shaft portion 17 and the thickness of the bearing portion 22, the occupant receiving portion 15 and the external force receiving portion are connected to each other. 20 is closed by an inner arm main body 28 and an outer arm main body 29 that constitute the connecting arm part 26 (see FIG. 10). Therefore, a member similar to a plate material of the same thickness is interposed between the occupant receiving part and the external force receiving part, and the rigidity can be further increased and the occupant (driver MD) Stable protection performance can be ensured.

なお、実施形態の乗員保護装置Sでは、各連結アーム部26を乗員受止部15及び外力受止部20に対して回動可能に連結させる回動軸部17,28aa,29baの軸本体17b,28ab,29bbの挿入用開口22a,28bb,29abに対する嵌合度合(嵌合強度)は、外力受止部20を、運転者MDの手等で引っ張ったり押したりすることにより、容易に、乗員受止部15に対して平行移動可能な程度に設定されているが、両者の嵌合強度を高く設定することもできる。例えば、外力を受け止めた外力受止部の移動時(連結アーム部の回動時)に、軸本体と挿入用開口との間に生ずる摩擦抵抗を利用して、エネルギー吸収させるような構成とすることもできる。 In the occupant protection device S of the embodiment, the shaft body 17b of the rotation shaft portions 17, 28aa, and 29ba rotatably connects each connection arm portion 26 to the occupant receiving portion 15 and the external force receiving portion 20. , 28ab, 29bb to the insertion openings 22a, 28bb, 29ab (fitting strength) can be determined easily by the driver MD by pulling or pushing the external force receiving portion 20 with the driver MD's hand or the like. Although it is set to such an extent that it can be moved parallel to the receiving part 15, the strength of the fitting between the two can also be set to be high. For example, when the external force receiving part that receives an external force moves (when the connecting arm part rotates), the structure is such that energy is absorbed by using the frictional resistance that occurs between the shaft body and the insertion opening. You can also do that.

1…シート、2…背もたれ部、3…座部、15…乗員受止部、15c…上端、15d…下端、20…外力受止部、25…移動機構、26(26U,26CU,26CD,26D)…連結アーム部、28…内側アーム本体、28a…相互連結端、28b…離隔側端部、29…外側アーム本体、29a…相互連結端、29b…離隔側端部、MD…運転者(乗員)、MW…腰部(保護対象部位)、S…乗員保護装置、V…車両。 DESCRIPTION OF SYMBOLS 1... Seat, 2... Backrest part, 3... Seat part, 15... Occupant receiving part, 15c... Upper end, 15d... Lower end, 20... External force receiving part, 25... Movement mechanism, 26 (26U, 26CU, 26CD, 26D) )...Connection arm portion, 28...Inner arm main body, 28a...Interconnection end, 28b...Separated side end, 29...Outer arm main body, 29a...Interconnection end, 29b...Separated side end, MD...Driver (occupant) ), MW...lower back (part to be protected), S...occupant protection device, V...vehicle.

Claims (3)

車両の側方から内方に向かうような外力の作用時に、シートに着座している乗員を保護可能な乗員保護装置であって、
前記乗員の側方に配置されて、前記シートに対して固定されるとともに前記乗員における保護対象部位を受け止め可能な乗員受止部と、外力作用側に配置されて前記外力を受け止め可能な外力受止部と、該外力受止部を前記乗員受止部に対して移動可能な移動機構と、を備える構成とされて、
前記乗員受止部が、形状保持性を有した素材から形成されるとともに、前記シートにおける座部と背もたれ部との間を塞ぐようにして、前記保護対象部位の側方を覆うように、上下方向に略沿って配置される略平板状とされ、
前記外力受止部が、形状保持性を有した素材から形成されるとともに、前記乗員受止部の外側において、前記乗員受止部と略平行に配置される略平板状として構成され、
前記移動機構が、一端側を相互に回動可能に連結されて他端側を前記乗員受止部若しくは前記外力受止部に対して回動可能に連結される一対のアーム本体を有した連結アーム部を、前後方向に略沿わせるようにして、少なくとも上下方向側で2箇所に並設させる構成とされ、
前記各連結アーム部が、上下方向側から見た状態で、前記アーム本体相互を回動可能に連結させる相互連結端を、前側と後側とで相互に離隔させるように、配置され、
前記外力受止部が、前記移動機構により、前記乗員受止部に対して平行移動可能とされていることを特徴とする乗員保護装置。
An occupant protection device capable of protecting an occupant seated in a seat when an external force acts inward from the side of the vehicle,
an occupant receiving portion disposed on a side of the occupant, fixed to the seat, and capable of receiving a portion of the occupant to be protected; and an external force receiving portion disposed on an external force acting side capable of receiving the external force. a stop portion; and a moving mechanism capable of moving the external force receiving portion with respect to the occupant receiving portion;
The occupant receiving portion is formed of a material that has shape retention properties, and is arranged so as to close the gap between the seat and the backrest of the seat, and to cover the sides of the area to be protected. It has a substantially flat plate shape arranged substantially along the direction,
The external force receiving portion is formed of a material having shape retention properties, and is configured as a substantially flat plate disposed on the outside of the occupant receiving portion and substantially parallel to the occupant receiving portion,
A connection in which the moving mechanism has a pair of arm bodies whose one end side is rotatably connected to each other and whose other end side is rotatably connected to the occupant receiving part or the external force receiving part. The arm portions are configured to be arranged in parallel at least in two places on the vertical side, so as to be substantially along the front-back direction,
Each of the connecting arm portions is arranged so that interconnecting ends that rotatably connect the arm bodies to each other are separated from each other on the front side and the rear side when viewed from the vertical side,
An occupant protection device characterized in that the external force receiving portion is movable in parallel with respect to the occupant receiving portion by the moving mechanism.
前記連結アーム部が、前記乗員受止部の上端側及び下端側と、上下の中間部位と、に配設されていることを特徴とする請求項1に記載の乗員保護装置。 The occupant protection device according to claim 1, wherein the connecting arm portion is disposed at an upper end side and a lower end side of the occupant receiving portion, and at an upper and lower intermediate portion. 前記連結アーム部が、各々の前記相互連結端を前後に分かれて配置される数を同数として、偶数個配設されていることを特徴とする請求項2に記載の乗員保護装置。 3. The occupant protection device according to claim 2, wherein an even number of the connecting arm portions are arranged, with the same number of connecting arms being arranged front and back at each of the interconnecting ends.
JP2022102940A 2022-06-27 2022-06-27 Occupant protection device Pending JP2024003652A (en)

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