JP2014046795A - Vehicle seat - Google Patents

Vehicle seat Download PDF

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JP2014046795A
JP2014046795A JP2012190991A JP2012190991A JP2014046795A JP 2014046795 A JP2014046795 A JP 2014046795A JP 2012190991 A JP2012190991 A JP 2012190991A JP 2012190991 A JP2012190991 A JP 2012190991A JP 2014046795 A JP2014046795 A JP 2014046795A
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seat
vehicle
state
flip
operation member
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Akiyoshi Okugawa
明義 奥川
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Toyota Boshoku Corp
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Toyota Boshoku Corp
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Abstract

PROBLEM TO BE SOLVED: To connect a seat component to a car room structure such as a car room wall surface while preventing the increase of the number of seat components as much as possible.SOLUTION: A vehicle seat 2 is configured such that locking of at least one of a reclining mechanism RM, an assembling mechanism MM, and a spring-up mechanism CM can be released by operating the operation member 10 of seat components (4 and 6), and after the seat components (4 and 6) are changed from a first state to a second state, the operation member 10 is locked with the connected part W1 of a second car room structure WS, and thus the seat components (4 and 6) are connected to the second car room structure WS.

Description

本発明は、シート構成部材と、車室壁面等の車室構造体にシート構成部材を連結可能な部材を備えた車両用シートに関する。   The present invention relates to a vehicle seat provided with a seat constituent member and a member capable of connecting the seat constituent member to a passenger compartment structure such as a passenger compartment wall surface.

この種の車両用シートとして、特許文献１に開示の車両用シートが公知である。この車両用シートは、シートクッション及びシートバック（シート構成部材）と、リクライニング機構と、組付機構と、跳ね上げ機構と、ストラップ部材を有する。
リクライニング機構は、シートクッションに対するシートバックの起倒状態を維持する機構である。また組付機構は、シート構成部材を車室床面に係脱可能に連結する機構である。また跳ね上げ機構は、シート構成部材を車室壁面に向けて跳ね上げる機構である。
そしてストラップ部材は、（上記各機構とは無関係の）帯状部材であり、シートクッション裏面に取付けられる。 As this type of vehicle seat, a vehicle seat disclosed in Patent Document 1 is known. The vehicle seat includes a seat cushion and a seat back (seat constituent member), a reclining mechanism, an assembly mechanism, a flip-up mechanism, and a strap member.
The reclining mechanism is a mechanism that maintains the seat back in a tilted state with respect to the seat cushion. The assembling mechanism is a mechanism for detachably connecting the seat constituent member to the passenger compartment floor. The flip-up mechanism is a mechanism that flips up the seat constituent member toward the vehicle interior wall surface.
The strap member is a belt-like member (regardless of the above mechanisms) and is attached to the back surface of the seat cushion.

公知技術では、シート構成部材の一側（車室壁面寄り）に跳ね上げ機構を配置するとともに、シート構成部材の他側に組付機構を配置する。
そしてリクライニング機構のロックを解除して、シートクッションに対してシートバックを前倒しする。この状態で組付機構のロックを解除して、シート構成部材を、跳ね上げ機構にて跳ね上げつつ車室壁面に対面配置する。
つぎにストラップ部材を車室壁面の装着具に係合して、シート構成部材を車室壁面に連結する。このときシートクッションに対してシートバックを対面状に配置する（コンパクトな格納状態とする）ことで、車室スペースを広げることができる。 In the known technique, a flip-up mechanism is arranged on one side of the seat constituent member (close to the vehicle interior wall surface), and an assembly mechanism is arranged on the other side of the seat constituent member.
Then, the reclining mechanism is unlocked and the seat back is moved forward with respect to the seat cushion. In this state, the lock of the assembling mechanism is released, and the seat constituent member is disposed facing the vehicle compartment wall surface while being flipped up by the flip-up mechanism.
Next, the strap member is engaged with the mounting tool on the vehicle interior wall surface, and the seat constituent member is connected to the vehicle interior wall surface. At this time, by arranging the seat back in a face-to-face manner with respect to the seat cushion (a compact storage state), the vehicle compartment space can be expanded.

特開２００８‐２９０６４９号公報JP 2008-290649 A

ところで公知技術では、ストラップ部材（上記各機構とは無関係の部材）を用いて、第二状態のシート構成部材を車室壁面に連結する。このため公知技術の構成は、シートの部品点数削減の観点から、すんなり採用できる構成ではなかった。
本発明は上述の点に鑑みて創案されたものであり、本発明が解決しようとする課題は、シートの部品点数の増加を極力回避しつつ、車室壁面等の車室構造体にシート構成部材を連結することにある。 By the way, in a well-known technique, the seat component member of a 2nd state is connected with a vehicle interior wall surface using a strap member (member unrelated to said each mechanism). For this reason, the configuration of the known technique is not a configuration that can be easily adopted from the viewpoint of reducing the number of parts of the sheet.
The present invention was devised in view of the above points, and the problem to be solved by the present invention is to provide a seat structure in a vehicle cabin structure such as a vehicle cabin wall surface while avoiding an increase in the number of seat parts as much as possible. It is to connect the members.

上記課題を解決するための手段として、第１発明の車両用シートは、シートクッションとシートバックを起倒可能に連結してなるシート構成部材と、リクライニング機構と、組付機構と、跳ね上げ機構を有する。
リクライニング機構は、シートクッションに対するシートバックの起倒状態を維持する機構であり、組付機構は、車室床面等の第一車室構造体にシート構成部材を連結する機構であり、跳ね上げ機構は、車室壁面等の第二車室構造体に向けてシート構成部材を跳ね上げる機構である。
本発明では、リクライニング機構のロックを解除して、シートクッションに対してシートバックを相対的に倒して対面状に配置する。この状態でシート構成部材が、第一車室構造体に対面状に配置する第一状態から、組付機構のロックを解除したのち、跳ね上げ機構を介して第二車室構造体に対面状に配置する第二状態に回転変位可能である。
そして本発明では、第二状態のシート構成部材を第二車室構造体に連結するのであるが、この種のシート構成では、シートの部品点数の増加を極力回避しつつ、シート構成部材を第二車室構造体に連結できることが望ましい。 As means for solving the above-mentioned problems, the vehicle seat of the first invention includes a seat constituent member formed by connecting a seat cushion and a seat back so that the seat cushion can be tilted, a reclining mechanism, an assembling mechanism, and a flip-up mechanism. Have
The reclining mechanism is a mechanism that maintains the seat back in a tilted state with respect to the seat cushion, and the assembly mechanism is a mechanism that connects the seat constituent member to the first vehicle compartment structure such as the vehicle compartment floor surface, and is flipped up. The mechanism is a mechanism for flipping up the seat constituent member toward the second casing structure such as the casing wall surface.
In the present invention, the reclining mechanism is unlocked, and the seat back is tilted relative to the seat cushion so as to face each other. In this state, the seat constituent member faces the second casing structure via the flip-up mechanism after unlocking the assembly mechanism from the first state where the seat constituent member is disposed facing the first casing structure. Can be rotationally displaced in the second state.
In the present invention, the seat component in the second state is connected to the second passenger compartment structure. In this type of seat configuration, the seat component is adjusted while avoiding an increase in the number of parts of the seat as much as possible. It is desirable that it can be connected to the two-chamber structure.

本発明では、上述の車両用シートが、シート構成部材の操作部材を操作することで、リクライニング機構と組付機構と跳ね上げ機構の少なくとも一つの機構のロックを解除可能である。
そこで本発明では、シート構成部材を第一状態から第二状態に変位させたのち、操作部材を、第二車室構造体の被連結部に係止することにより、シート構成部材を第二車室構造体に連結する構成とした。
本発明では、操作部材が、各種機構のロックを解除する機能と、シート構成部材を第二車室構造体に連結する機能の双方を備えることができる（兼用可能な構成である）。 In the present invention, the above-described vehicle seat can unlock the lock of at least one of the reclining mechanism, the assembling mechanism, and the flip-up mechanism by operating the operation member of the seat constituent member.
Therefore, in the present invention, the seat constituent member is displaced from the first state to the second state, and then the operation member is locked to the coupled portion of the second casing structure, whereby the seat constituent member is moved to the second vehicle. It was set as the structure connected with a chamber structure.
In the present invention, the operation member can have both a function of unlocking various mechanisms and a function of connecting the seat constituent member to the second compartment structure (a configuration that can be used in combination).

第２発明の車両用シートは、第１発明の車両用シートであって、上述の操作部材の操作が、シート構成部材内から操作部材を引出すこと（比較的シンプルな構成）である。そして操作部材が、リクライニング機構と組付機構と跳ね上げ機構の少なくとも一つの機構に設けた付勢部材にてシート内に引戻し可能である。
本発明では、各機構の付勢部材（各機構に付属の部材）にて、操作部材を適宜シート内に引戻すことで、シート構成部材を第二車室構造体に安定性良く連結することができる。 The vehicle seat of the second invention is the vehicle seat of the first invention, and the operation of the operation member is to pull out the operation member from within the seat component (relatively simple configuration). The operation member can be pulled back into the seat by an urging member provided in at least one of a reclining mechanism, an assembly mechanism, and a flip-up mechanism.
In the present invention, the operation member is appropriately pulled back into the seat by the biasing member of each mechanism (member attached to each mechanism), so that the seat constituent member is stably connected to the second vehicle compartment structure. Can do.

本発明に係る第１発明によれば、シートの部品点数の増加を極力回避しつつ、車室壁面等の車室構造体にシート構成部材を連結することができる。また第２発明によれば、車室壁面等の車室構造体にシート構成部材を安定性良く連結することができる。   According to the first aspect of the present invention, it is possible to connect the seat constituent member to the vehicle interior structure such as the vehicle interior wall surface while avoiding an increase in the number of parts of the seat as much as possible. Further, according to the second invention, the seat constituent member can be connected with good stability to the vehicle compartment structure such as the vehicle compartment wall surface.

車室一部の斜視図である。FIG. 車両用シートの概略斜視図であり、（ａ）は、第一状態時の図であり、（ｂ）は、第二状態時の図である。It is a schematic perspective view of a vehicle seat, (a) is a figure at the time of a 1st state, (b) is a figure at the time of a 2nd state. 車両用シート一部の側面図である。It is a side view of a part of vehicle seat. 車両用シート一部の別の側面図である。It is another side view of a part of vehicle seat.

以下、本発明を実施するための形態を、図１〜図４を参照して説明する。なお各図には、車両用シート前方に符号Ｆ、車両用シート後方に符号Ｂ、車両用シート上方に符号ＵＰ、車両用シート下方に符号ＤＷを適宜付す。
図１の車室内には、車両用シート２と、車室床面ＦＳ（第一車室構造体）と、車室壁面ＷＳ（第二車室構造体）が設けられる。
ここで車室床面ＦＳは、平坦な面状部位であり、一対のストライカＳ１（典型的に略逆Ｕ字状の棒材）を有する。本実施例では、一対のストライカＳ１が車室前後に並列しつつ、それぞれ車室床面ＦＳの凹部Ｓ２内に設けられる。 Hereinafter, embodiments for carrying out the present invention will be described with reference to FIGS. In each figure, a reference symbol F is attached to the front of the vehicle seat, a reference symbol B to the rear of the vehicle seat, a reference symbol UP to the upper side of the vehicle seat, and a reference symbol DW to the lower side of the vehicle seat.
1, a vehicle seat 2, a vehicle compartment floor FS (first vehicle compartment structure), and a vehicle compartment wall surface WS (second vehicle compartment structure) are provided.
Here, the passenger compartment floor surface FS is a flat planar portion, and has a pair of strikers S1 (typically substantially inverted U-shaped bars). In the present embodiment, the pair of strikers S1 are provided in the recesses S2 of the vehicle compartment floor FS while being arranged in parallel in the vehicle front and rear.

また車室壁面ＷＳは、車室床面ＦＳに対して直交状に配置する面状部位であり、車室一側（車両用シートの一側寄り）に配置する。
そして本実施例では、被連結部Ｗ１を、車室壁面ＷＳの上部に設けて、第二状態のシート構成部材（後述）の近傍に配置する。本実施例の被連結部Ｗ１は、略横Ｊ字状（断面視）の平板材であり、車室壁面ＷＳから突設して操作部材１０（後述）を係止可能に配置する。 The vehicle interior wall surface WS is a planar portion that is disposed orthogonal to the vehicle interior floor surface FS, and is disposed on one side of the vehicle compartment (closer to the side of the vehicle seat).
In this embodiment, the connected portion W1 is provided in the upper part of the vehicle interior wall surface WS and is arranged in the vicinity of the seat constituent member (described later) in the second state. The coupled portion W1 of the present embodiment is a substantially horizontal J-shaped (in cross-sectional view) flat plate material, and protrudes from the vehicle interior wall surface WS so that the operation member 10 (described later) can be locked.

本実施例の車両用シート２は、シート構成部材（シートクッション４，シートバック６）と、操作部材１０と、各種機構（リクライニング機構ＲＭ，跳ね上げ機構ＣＭ，組付機構ＭＭ，連動切替機構ＳＭ）を有する（図１〜図４を参照、各部材等の詳細は適宜後述）する。
そしてリクライニング機構ＲＭを介して、シートクッション４に対してシートバック６が起倒可能に連結する（シート構成部材を形成する）。このシート構成部材を、跳ね上げ機構ＣＭと組付機構ＭＭを介して車室床面ＦＳに配設することにより、第一状態と、第二状態の間を回転変位可能とする。
第一状態のシート構成部材は、車室床面ＦＳに対面状に配置する（図２（ａ）を参照）。このときシートクッション４に対してシートバック６を起立状態とすることにより、乗員（図示省略）が着座可能な状態となる。
また第二状態のシート構成部材は、車室壁面ＷＳに対面状に配置しつつ同壁面に連結する（図２（ｂ）を参照）。このときシートクッション４に対してシートバック６を対面状に配置してコンパクトに配置する（格納状態とする）ことで、車室スペースを広げることができる。 The vehicle seat 2 of the present embodiment includes a seat constituent member (seat cushion 4, seat back 6), an operation member 10, and various mechanisms (reclining mechanism RM, flip-up mechanism CM, assembly mechanism MM, interlock switching mechanism SM). (See FIGS. 1 to 4, details of each member will be described later as appropriate).
Then, the seat back 6 is connected to the seat cushion 4 via the reclining mechanism RM so as to be able to rise and fall (forms a seat constituent member). By disposing the seat constituent member on the passenger compartment floor surface FS via the flip-up mechanism CM and the assembly mechanism MM, it is possible to rotate and displace between the first state and the second state.
The seat constituent member in the first state is disposed in a face-to-face manner on the passenger compartment floor surface FS (see FIG. 2A). At this time, by placing the seat back 6 in an upright state with respect to the seat cushion 4, an occupant (not shown) can be seated.
Further, the seat constituent member in the second state is connected to the wall surface while being disposed facing the vehicle interior wall surface WS (see FIG. 2B). At this time, by arranging the seat back 6 in a face-to-face manner with respect to the seat cushion 4 and placing it in a compact manner (stored state), the vehicle compartment space can be expanded.

そして本実施例では、第二状態に回転変位させるに際して、リクライニング機構ＲＭのロックを解除してシートクッション４に対してシートバック６を前倒しして対面状に配置する。この状態で組付機構ＭＭのロックを解除したのち、跳ね上げ機構ＣＭを介してシート構成部材を第二状態に回転変位させつつ車室壁面ＷＳに連結する。
そして上述の各機構のロックを操作部材１０の操作にて解除するのであるが、この種のシート構成では、シートの部品点数の増加を極力回避しつつ、シート構成部材を車室壁面ＷＳに連結できることが望ましい。
そこで本実施例では、後述の構成により、シート構成部材を車室壁面ＷＳに連結することとした。以下、各構成について詳述する。 In this embodiment, when the rotational displacement is performed in the second state, the reclining mechanism RM is unlocked, and the seat back 6 is moved forward with respect to the seat cushion 4 and arranged in a face-to-face manner. After unlocking the assembly mechanism MM in this state, the seat constituent member is connected to the vehicle interior wall surface WS while being rotationally displaced to the second state via the flip-up mechanism CM.
The lock of each mechanism described above is released by operating the operation member 10, but in this type of seat configuration, the seat component is connected to the vehicle interior wall surface WS while avoiding an increase in the number of parts of the seat as much as possible. It is desirable to be able to do it.
Therefore, in this embodiment, the seat constituent member is connected to the vehicle interior wall surface WS by the configuration described later. Hereinafter, each configuration will be described in detail.

［シートクッション］
シートクッション４は、略長方形状（側面視）の部材であり、脚部４ａと、後述の機構（組付機構ＭＭ，跳ね上げ機構ＣＭ）を有する（図１及び図２を参照）。
脚部４ａは、略長方形状（側面視）の平板部材であり、シートクッション４裏面に起倒可能に連結する。また脚部４ａの下部（ストライカＳ１を臨む位置）には、ストライカＳ１を嵌込み可能な凹部位４ｂが設けられる。
本実施例では、シートクッション４の一側下部に跳ね上げ機構ＣＭ（後述）を設ける。またシートクッション４の他側下部に脚部４ａを設けつつ、組付機構ＭＭ（後述）をストライカＳ１に対面可能に配置する。 [Seat cushion]
The seat cushion 4 is a substantially rectangular (side view) member, and includes a leg portion 4a and mechanisms (an assembling mechanism MM and a flip-up mechanism CM) described later (see FIGS. 1 and 2).
The leg 4a is a substantially rectangular (side view) flat plate member, and is connected to the back surface of the seat cushion 4 so as to be able to rise and fall. Further, a recessed portion 4b into which the striker S1 can be fitted is provided at a lower portion of the leg portion 4a (a position facing the striker S1).
In this embodiment, a flip-up mechanism CM (described later) is provided at one side lower part of the seat cushion 4. Further, an assembly mechanism MM (described later) is disposed so as to be able to face the striker S1, while providing a leg portion 4a at the other lower portion of the seat cushion 4.

［シートバック］
シートバック６は、略長方形状（側面視）の部材であり、後述の機構（リクライニング機構ＲＭ）を有する（図１及び図２を参照）。
本実施例のシートバック６は、後述のリクライニング機構ＲＭを介してシートクッション４に傾倒可能に連結する。例えばシートバック６は、シートクッション４に対して起立状となる起立姿勢（乗員の着座可能な姿勢）と、シートクッション４に対面状に倒れる前倒し姿勢の間で変位可能である。 [Seatback]
The seat back 6 is a substantially rectangular (side view) member, and has a mechanism (reclining mechanism RM) described later (see FIGS. 1 and 2).
The seat back 6 of the present embodiment is connected to the seat cushion 4 so as to be tiltable via a reclining mechanism RM described later. For example, the seat back 6 is displaceable between an upright posture (a posture in which an occupant can be seated) standing upright with respect to the seat cushion 4 and a forward leaning posture in which the seat back 6 falls in a face-to-face manner.

［操作部材］
操作部材１０は、長尺な帯状部材であり、取手部１２を有する（図１〜図４を参照）。取手部１２は輪状の部材であり、操作部材１０一側に取付けることができる。
本実施例では、操作部材１０一側を、シートクッション４後面（符号省略の孔部）からシート外に露出させつつ、操作部材１０他端を、シート内の連動切替機構ＳＭ（後述）に取付ける。そして本実施例では、シートクッション４後面から操作部材１０を引出すことで、連動切替機構ＳＭを介して、リクライニング機構ＲＭと組付機構ＭＭ（ともに後述）のロックを連動して解除可能とした。なお本実施例では、リクライニング機構ＲＭのロックを解除して、シートクッション４に対してシートバック６を前倒ししたのち、組付機構ＭＭのロックが解除される構成である（誤作動を起こしにくい構成である）。 [Operation member]
The operation member 10 is a long belt-like member and has a handle portion 12 (see FIGS. 1 to 4). The handle portion 12 is a ring-shaped member and can be attached to one side of the operation member 10.
In the present embodiment, the other end of the operating member 10 is attached to the interlock switching mechanism SM (described later) in the seat while the one side of the operating member 10 is exposed outside the seat from the rear surface of the seat cushion 4 (hole portion not shown). . In this embodiment, the operation member 10 is pulled out from the rear surface of the seat cushion 4 so that the locking of the reclining mechanism RM and the assembling mechanism MM (both described later) can be interlocked and released via the interlock switching mechanism SM. In this embodiment, after the reclining mechanism RM is unlocked and the seat back 6 is moved forward with respect to the seat cushion 4, the assembly mechanism MM is unlocked (a configuration in which malfunction is unlikely to occur). Is).

［リクライニング機構］
リクライニング機構ＲＭは、シートクッション４に対するシートバック６の起倒状態を維持する機構である（図１〜図４を参照）。本実施例のリクライニング機構ＲＭは、リクライニング軸２ｒと、内部機構（図示省略）と、押圧部４ｒと、シールド部材６ｒを有する。
リクライニング軸２ｒは、棒状部材（円柱状）であり、リクライニング機構ＲＭの中心に挿設できる。また内部機構は、シートクッション４に対するシートバック６の起倒動作を規制する機構であり、リクライニング軸２ｒの回転操作により解除できる。なおリクライニング軸２ｒは、図示省略の付勢部材（例えばコイルバネ状）により逆回転方向に（ロックされる方向に）付勢することができる。
そして押圧部４ｒは、リクライニング機構ＲＭの周面からシート側方に突出する平板部位であり、シートバック６とともに回転移動する。 [Recliner]
The reclining mechanism RM is a mechanism for maintaining the seat back 6 in a tilted state with respect to the seat cushion 4 (see FIGS. 1 to 4). The reclining mechanism RM of the present embodiment includes a reclining shaft 2r, an internal mechanism (not shown), a pressing portion 4r, and a shield member 6r.
The reclining shaft 2r is a rod-like member (columnar shape) and can be inserted in the center of the reclining mechanism RM. The internal mechanism is a mechanism for restricting the raising / lowering operation of the seat back 6 with respect to the seat cushion 4, and can be released by rotating the reclining shaft 2r. The reclining shaft 2r can be urged in the reverse rotation direction (in a locked direction) by an urging member (not shown) (not shown), for example.
The pressing portion 4 r is a flat plate portion protruding from the peripheral surface of the reclining mechanism RM toward the seat side, and rotates together with the seat back 6.

本実施例では、リクライニング機構ＲＭを、シートバック６の下端に固定しつつシート幅方向に突出させる。つぎにリクライニング機構ＲＭを、シートクッション４後部（図示しない孔部）に回転可能に挿設しつつシールド部材６ｒにて被覆する。
そして操作部材１０と連動切替機構ＳＭ（後述）を介して、リクライニング軸２ｒを回転させて内部機構のロックを解除することにより、シートバック６を、起立姿勢から前倒し姿勢に変位させることができる。このとき押圧部４ｒが、リクライニング機構ＲＭとともに回転しつつ、シート上方位置から前方位置に移動する（図３及び図４を参照）。 In the present embodiment, the reclining mechanism RM is protruded in the seat width direction while being fixed to the lower end of the seat back 6. Next, the reclining mechanism RM is covered with a shield member 6r while being rotatably inserted into the rear portion (hole not shown) of the seat cushion 4.
Then, the seat back 6 can be displaced from the standing posture to the forward posture by rotating the reclining shaft 2r and releasing the lock of the internal mechanism via the operation member 10 and the interlocking switching mechanism SM (described later). At this time, the pressing portion 4r moves from the seat upper position to the front position while rotating together with the reclining mechanism RM (see FIGS. 3 and 4).

［組付機構］
組付機構ＭＭは、車室床面ＦＳ（第一車室構造体）にシート構成部材を連結する機構である（図２〜図４を参照）。本実施例の組付機構ＭＭは、ストライカＳ１を係脱自在に保持する機構であり、凹部位４ｂ内に設けることができる。
本実施例では、ストライカＳ１を凹部位４ｂに嵌込みつつ組付機構ＭＭにて係止（保持）することで、シート構成部材を車室床面ＦＳに係止できる。また連動切替機構ＳＭ（後述）を介したケーブル部材ＣＢ１の牽引により、組付機構ＭＭのロックを解除してストライカＳ１を凹部位４ｂから係脱させることで、跳ね上げ機構ＣＭ（後述）にてシート構成部材が回転変位可能となる。 [Assembly mechanism]
The assembling mechanism MM is a mechanism for connecting the seat constituent member to the vehicle compartment floor FS (first vehicle compartment structure) (see FIGS. 2 to 4). The assembly mechanism MM of the present embodiment is a mechanism that holds the striker S1 in a freely detachable manner, and can be provided in the recessed portion 4b.
In the present embodiment, the seat constituent member can be locked to the vehicle compartment floor surface FS by locking (holding) the striker S1 in the recessed portion 4b with the assembly mechanism MM. Further, by pulling the cable member CB1 through the interlocking switching mechanism SM (described later), the lock of the assembling mechanism MM is released and the striker S1 is engaged and disengaged from the recessed portion 4b. The sheet constituent member can be rotationally displaced.

［跳ね上げ機構］
跳ね上げ機構ＣＭは、車室壁面ＷＳ（第二車室構造体）に向けてシート構成部材を跳ね上げる機構である（図２を参照）。本実施例の跳ね上げ機構ＣＭ（スペースアップ機構）は、ヒンジ部２ｃと、跳ね上げ軸４ｃを有する。
ヒンジ部２ｃ（略矩形の部材）は、上部側に孔部（符号省略）を有し、下部側を、車室床面ＦＳに取付けることができる。また跳ね上げ軸４ｃ（棒状）は、ヒンジ部２ｃ上部（孔部）に回転可能に挿設されて、シート前後方向に向かって延設される。
本実施例では、跳ね上げ機構ＣＭを車室一側に配置しつつ、シートクッション４一側に対して跳ね上げ軸４ｃを回転可能に固定する。こうすることでシート構成部材が、跳ね上げ軸４ｃを回転中心とした回転動作により、車室床面ＦＳに対面配置する第一状態と、車室壁面ＷＳに対面配置する第二状態の間で変位可能となる。そして跳ね上げ軸４ｃに付勢部（捩じりバネ状）を取付けるなどして、シート構成部材を、第一状態から第二状態に変位する向きに付勢できる。 [Bounce mechanism]
The flip-up mechanism CM is a mechanism that flips up the seat constituent member toward the vehicle interior wall surface WS (second vehicle compartment structure) (see FIG. 2). The flip-up mechanism CM (space-up mechanism) of the present embodiment has a hinge portion 2c and a flip-up shaft 4c.
The hinge 2c (substantially rectangular member) has a hole (reference number omitted) on the upper side, and the lower side can be attached to the passenger compartment floor FS. The flip-up shaft 4c (bar shape) is rotatably inserted in the upper part (hole part) of the hinge part 2c and extends in the front-rear direction of the seat.
In the present embodiment, the flip-up shaft 4c is rotatably fixed to the seat cushion 4 side while the flip-up mechanism CM is arranged on the vehicle compartment side. By doing so, between the first state in which the seat constituent member is disposed facing the passenger compartment floor surface FS and the second state in which the seat constituent member is disposed opposite to the passenger compartment wall surface WS by the rotation operation about the flip-up shaft 4c. Displaceable. Then, by attaching an urging portion (torsion spring shape) to the flip-up shaft 4c, the sheet constituent member can be urged in a direction to be displaced from the first state to the second state.

［連動切替機構］
連動切替機構ＳＭは、支持ボード２ｓと、切替アーム４ｓと、操作ノブ１０ｓと、連動部２０ｓと、規制部３０ｓを有する（図３及び図４を参照）。
支持ボード２ｓ（平板部材）は、シートクッション４の後端側面に固定されて、リクライニング機構ＲＭの下方に配置する。
また切替アーム４ｓは、第一アーム６ｓと第二アーム８ｓ（略長方形状の平板材）を直線状に連結した部材である。第一アーム６ｓと第二アーム８ｓは、端部同士が回転可能に連結しており、直線状となる向きに付勢される。
本実施例では、切替アーム４ｓの一側（第一アーム６ｓの自由端）を、リクライニング軸２ｒに固定するとともに、他側（第二アーム８ｓの自由端）をシート下方に向けて配置する。そして第二アーム８ｓの自由端に突出部（符号省略）を設けて、操作ノブ１０ｓ（後述）の回転軌跡途中に配置する。 [Interlocking switching mechanism]
The interlocking switching mechanism SM includes a support board 2s, a switching arm 4s, an operation knob 10s, an interlocking part 20s, and a restricting part 30s (see FIGS. 3 and 4).
The support board 2s (flat plate member) is fixed to the rear end side surface of the seat cushion 4 and disposed below the reclining mechanism RM.
The switching arm 4s is a member obtained by linearly connecting the first arm 6s and the second arm 8s (substantially rectangular flat plate material). Ends of the first arm 6s and the second arm 8s are rotatably connected to each other, and are biased in a linear direction.
In the present embodiment, one side of the switching arm 4s (the free end of the first arm 6s) is fixed to the reclining shaft 2r, and the other side (the free end of the second arm 8s) is arranged downward. A protrusion (not shown) is provided at the free end of the second arm 8s, and is arranged in the middle of the rotation locus of the operation knob 10s (described later).

また操作ノブ１０ｓは、牽引部１２ｓと連結部１４ｓが連結されてなる部材であり、支持ボード２ｓに回転可能に取付けられる。牽引部１２ｓ（棒状）は、シート前方に水平に延びたのちシート下方に屈曲する。また連結部１４ｓ（平板状）は、シート後方に延びたのちシート上方に屈曲する。
本実施例では、操作ノブ１０ｓを、切替アーム４ｓの下方に配置して、連結部１４ｓの途中（第一軸部Ａ１）を回転可能に支持ボード２ｓに取付ける。そして牽引部１２ｓに操作部材１０の他端を連結する。そして操作部材１０を牽引して牽引部１２ｓをシート下方に押し下げることで、連結部１４ｓが、第一軸部Ａ１を回転中心として反時計周りに回転する（操作ノブ１０ｓが反時計周りに回転する）。
そして本実施例では、第一軸部Ａ１に付勢部材ＢＭ（例えばコイルバネ状）を取付けることで、操作ノブ１０ｓを時計回りに付勢することができる。 The operation knob 10s is a member formed by connecting the pulling portion 12s and the connecting portion 14s, and is rotatably attached to the support board 2s. The traction portion 12s (bar shape) extends horizontally in front of the seat and then bends downward in the seat. The connecting portion 14s (flat plate shape) extends rearward of the seat and then bends upward.
In this embodiment, the operation knob 10s is disposed below the switching arm 4s, and the middle of the connecting portion 14s (first shaft portion A1) is rotatably attached to the support board 2s. Then, the other end of the operation member 10 is connected to the pulling portion 12s. Then, by pulling the operating member 10 and pushing the pulling portion 12s downward, the connecting portion 14s rotates counterclockwise around the first shaft portion A1 (the operating knob 10s rotates counterclockwise). ).
In this embodiment, the operation knob 10s can be urged clockwise by attaching an urging member BM (for example, a coil spring shape) to the first shaft portion A1.

また連動部２０ｓは、略矩形の平板部材であり、操作ノブ１０ｓと連動して回転可能である。
本実施例では、連動部２０ｓの上部を第一軸部Ａ１に取付けるとともに、連動部２０ｓの下部にケーブル部材ＣＢ１を取付ける。そして操作ノブ１０ｓの十分な回転動作に連動して、連動部２０ｓが、過度に反時計周りに回転することでケーブル部材ＣＢ１が牽引される構成とする。 The interlocking portion 20s is a substantially rectangular flat plate member, and can be rotated in conjunction with the operation knob 10s.
In this embodiment, the upper part of the interlocking part 20s is attached to the first shaft part A1, and the cable member CB1 is attached to the lower part of the interlocking part 20s. Then, in conjunction with the sufficient rotation of the operation knob 10s, the cable member CB1 is pulled by the interlocking portion 20s rotating excessively counterclockwise.

そして規制部３０ｓ（略Ｌ字状の平板部位）は、第一規制部３１ｓと第二規制部３２ｓを有する。第一規制部３１ｓは略水平に延びる部位であり、第二規制部３２ｓは、第一規制部３１ｓの前端に回転可能に取付けられて略垂直に延びる部位である。
本実施例では、切替アーム４ｓと操作ノブ１０ｓの前方に規制部３０ｓを配置しつつ、第一規制部３１ｓの中央を支持ボード２ｓに回転可能に取付ける。このとき第一規制部３１ｓの後部を、連結部１４ｓ（操作ノブ１０ｓ）の回転軌跡途中に配置するとともに、第二規制部３２ｓの上部を押圧部４ｒの回転軌跡途中に配置する。これにより第一規制部３１ｓの後部が邪魔となるなどして、連結部１４ｓを十分に回転する（操作ノブ１０ｓを十分に下方に押し下げる）ことができない構成とされる。 And the regulation part 30s (substantially L-shaped flat plate part) has the 1st regulation part 31s and the 2nd regulation part 32s. The first restricting portion 31s is a portion that extends substantially horizontally, and the second restricting portion 32s is a portion that is rotatably attached to the front end of the first restricting portion 31s and extends substantially vertically.
In the present embodiment, the center of the first restricting portion 31s is rotatably attached to the support board 2s while the restricting portion 30s is disposed in front of the switching arm 4s and the operation knob 10s. At this time, the rear portion of the first restricting portion 31s is arranged in the middle of the rotation locus of the connecting portion 14s (operation knob 10s), and the upper portion of the second restricting portion 32s is arranged in the middle of the rotation locus of the pressing portion 4r. As a result, the rear portion of the first restricting portion 31s becomes an obstacle, and the connecting portion 14s cannot be sufficiently rotated (the operation knob 10s is sufficiently lowered).

（リクライニング機構と組付機構のロック解除動作）
そこで操作部材１０の牽引にて操作ノブ１０ｓを若干下方に押し下げつつ、連結部１４ｓの回転により切替アーム４ｓを押圧して回転させる。これによりリクライニング機構ＲＭのロックを解除して、シートバック６を起立姿勢から前倒し姿勢に変位させる（図３及び図４を参照）。
このシートバック６の前倒し動作により、第二規制部３２ｓを押圧部４ｒが下方に押し下げつつ、第一規制部３１ｓを反時計まわりに（上方に）回転させる（図４を参照）。こうすることで第一規制部３１ｓ後部が上方に移動しつつ、第二アーム８ｓの回転軌跡から外れることとなる。そして操作部材１０の更なる牽引にて連結部１４ｓを十分に回転させて、連動部２０ｓを過度に反時計周りに回転させることで、ケーブル部材ＣＢ１を牽引して組付機構ＭＭのロックを解除できる。
このように本実施例では、リクライニング機構ＲＭのロックを解除して、シートクッション４に対してシートバック６を前倒しする。そしてシートバック６が前倒し姿勢とされたのちに、組付機構ＭＭのロックが解除されることとなる。
そして組付機構ＭＭの解除ののち、操作部材１０の牽引を停止する。こうすることで付勢部材ＢＭの付勢力により操作ノブ１０ｓ（牽引部１２ｓ）が時計回りに回転することで、操作部材１０をシート内に引戻すことができる。 (Recliner and assembly mechanism unlocking operation)
Therefore, while pulling down the operation knob 10s slightly by pulling the operation member 10, the switching arm 4s is pressed and rotated by the rotation of the connecting portion 14s. Thereby, the lock of the reclining mechanism RM is released, and the seat back 6 is moved forward from the standing posture to the posture (see FIGS. 3 and 4).
The forward movement of the seatback 6 causes the first restricting portion 31s to rotate counterclockwise (upward) while the pressing portion 4r pushes down the second restricting portion 32s downward (see FIG. 4). By doing so, the rear portion of the first restricting portion 31s moves upward, and deviates from the rotation locus of the second arm 8s. Then, by further pulling the operation member 10, the connecting portion 14s is sufficiently rotated, and the interlocking portion 20s is rotated counterclockwise excessively, thereby pulling the cable member CB1 and releasing the lock of the assembling mechanism MM. it can.
Thus, in this embodiment, the reclining mechanism RM is unlocked and the seat back 6 is moved forward with respect to the seat cushion 4. After the seat back 6 is brought forward, the assembly mechanism MM is unlocked.
Then, after the assembly mechanism MM is released, the pulling of the operation member 10 is stopped. By doing so, the operation knob 10s (the pulling portion 12s) rotates clockwise by the urging force of the urging member BM, whereby the operation member 10 can be pulled back into the seat.

［シート構成部材の変位動作］
図１及び図２を参照して、シート構成部材を第一状態から第二状態に変位させる。このとき本実施例では、操作部材１０を牽引しつつ（シート外に引出しつつ）、連動切替機構ＳＭを作動させることにより、リクライニング機構ＲＭのロックを解除して、シートクッション４に対してシートバック６を前倒しして対面状に配置する。
さらに連動切替機構ＳＭによるケーブル部材ＣＢ１の牽引にて、組付機構ＭＭのロックを連動して解除したのち、跳ね上げ機構ＣＭを回転中心として、シート構成部材を、車室壁面ＷＳに対面状に配置する。
そして操作部材１０（取手部１２）を被連結部Ｗ１に係止することにより、シート構成部材を車室壁面ＷＳに連結できる。このとき操作部材１０が、連動切替機構ＳＭ（付勢部材ＢＭ）の付勢力にてシート内に引戻されて、シート構成部材を車室壁面ＷＳに安定性良く連結することができる。 [Displacement operation of sheet components]
With reference to FIG.1 and FIG.2, a sheet | seat structural member is displaced from a 1st state to a 2nd state. At this time, in this embodiment, the interlock switching mechanism SM is operated while pulling the operating member 10 (while pulling it out of the seat) to release the lock of the reclining mechanism RM, and the seat cushion 4 is seated back. 6 is moved forward and placed face to face.
Further, by pulling the cable member CB1 by the interlocking switching mechanism SM, the lock of the assembly mechanism MM is interlocked and then the seat constituent member is made to face the vehicle interior wall surface WS with the flip-up mechanism CM as the center of rotation. Deploy.
Then, by locking the operation member 10 (the handle portion 12) to the connected portion W1, the seat constituent member can be connected to the vehicle interior wall surface WS. At this time, the operation member 10 is pulled back into the seat by the urging force of the interlocking switching mechanism SM (the urging member BM), and the seat constituent member can be connected to the vehicle interior wall surface WS with good stability.

以上説明したとおり本実施例では、操作部材１０が、各種機構のロックを解除する機能と、シート構成部材を車室壁面ＷＳに連結する機能の双方を備えることができる（兼用可能な構成である）。
また本実施例では、連動切替機構ＳＭ（付勢部材ＢＭ）にて、操作部材１０をシート内に引戻すことで、シート構成部材を車室壁面ＷＳに安定性良く連結することができる。
このため本実施例によれば、シートの部品点数の増加を極力回避しつつ、シート構成部材を車室壁面ＷＳに連結することができる。 As described above, in the present embodiment, the operation member 10 can have both a function of unlocking various mechanisms and a function of connecting the seat constituent member to the vehicle interior wall surface WS (a configuration that can be combined. ).
In this embodiment, the operation member 10 is pulled back into the seat by the interlock switching mechanism SM (urging member BM), so that the seat constituent member can be connected to the vehicle interior wall surface WS with good stability.
For this reason, according to the present embodiment, it is possible to connect the seat constituent member to the vehicle interior wall surface WS while avoiding an increase in the number of parts of the seat as much as possible.

本実施形態の車両用シートは、上述した実施形態に限定されるものではなく、その他各種の実施形態を取り得る。
（１）本実施形態では、操作部材の構成（寸法、形状、配設数、配設位置等）を例示したが、同部材の構成を限定する趣旨ではない。例えば操作部材を、シートクッション又はシートバックに複数又は単数設けることができる。また本実施例では、操作部材の先端（持手部）を被連結部に係止する例を説明した。これとは異なり操作部（帯状部分）に、複数の孔部を並列して設けるなどして、これら孔部のいずれかに被連結部を係止することもできる。
（２）また本実施形態では、持手部と被連結部の構成を例示したが、これらは着脱可能であるかぎり、他の形状を有することができる。 The vehicle seat of the present embodiment is not limited to the above-described embodiment, and can take other various embodiments.
(1) In the present embodiment, the configuration (size, shape, number of arrangement, arrangement position, etc.) of the operation member is exemplified, but the configuration of the member is not limited. For example, a plurality or a single operation member can be provided on the seat cushion or the seat back. In the present embodiment, the example in which the tip end (the handle portion) of the operation member is locked to the connected portion has been described. On the other hand, the coupled portion can be locked to any one of these holes by providing a plurality of holes in parallel in the operation portion (band-shaped portion).
(2) Moreover, in this embodiment, although the structure of the handle part and the to-be-connected part was illustrated, as long as these are detachable, they can have another shape.

（３）また本実施形態では、各機構の構成を例示したが、これら機構の構成を限定する趣旨ではない。本実施例では、跳ね上げ機構ＣＭ（スペースアップ機構）の構成を例示したが、同機構の構成を限定する趣旨ではない。例えば跳ね上げ機構ＣＭとして、クッションの回転軸が幅方向に配置される機構（タンブル機構）を採用できる。そしてタンブル機構によりシート構成部材を跳ね上げるなどして、他の車両用シート（第二車室構造体の一例）に連結することができる。
また跳ね上げ機構にて、車両用シートをシート前後に回転移動させて、第一車室床面（第一車室構造体の他例）上に配置される第一状態と、第一車室床面よりも一段低い第二車室床面（第二車室構造体の他例）内に収納される第二状態との間で変位可能とすることもできる。 (3) In the present embodiment, the configuration of each mechanism is exemplified, but the configuration of these mechanisms is not intended to be limited. In the present embodiment, the configuration of the flip-up mechanism CM (space-up mechanism) has been illustrated, but the configuration of the mechanism is not intended to be limited. For example, a mechanism (tumble mechanism) in which the rotational axis of the cushion is arranged in the width direction can be adopted as the flip-up mechanism CM. And it can connect with other vehicle seats (an example of the 2nd compartment structure), such as jumping up a sheet constituent member by a tumble mechanism.
In addition, the first state in which the vehicle seat is rotated forward and backward by the flip-up mechanism and disposed on the first compartment floor (another example of the first compartment structure), and the first compartment It can also be made displaceable between a second state housed in a second compartment floor surface (another example of the second compartment structure) that is one step lower than the floor surface.

（４）また本実施例では、操作部材１０と連動切替機構ＳＭにて、リクライニング機構ＲＭと組付機構ＭＭのロックを連動して解除する例を説明した。これとは異なり、操作部材にて、リクライニング機構と組付機構のいずれかのロックを解除する構成（連動切替機構を省略する構成）とすることができる。
また跳ね上げ機構にロック機構を設けて、操作部材にてロック解除させる構成とすることもできる。また操作部材と連動切替機構にて、跳ね上げ機構とリクライニング機構と組付機構のロックを連動して解除する構成とすることもできる。
（５）また本実施例では、連動切替機構ＳＭの付勢部材ＢＭにて、操作部材１０を引戻し可能とした。操作部材は、跳ね上げ機構とリクライニング機構と組付機構の少なくとも一機構に設けた付勢部材にて引戻し可能とすることもできる。
（６）また本実施例では、操作部材の操作が、シート構成部材内から操作部材を引出すことである例を説明したが、同操作の構成を限定する趣旨ではない。例えば操作部材を回転させて操作することもできる。 (4) In the present embodiment, an example has been described in which the operation member 10 and the interlocking switching mechanism SM interlock and release the lock of the reclining mechanism RM and the assembling mechanism MM. Unlike this, the operation member can be configured to release the lock of either the reclining mechanism or the assembling mechanism (a configuration in which the interlocking switching mechanism is omitted).
Further, a lock mechanism can be provided in the flip-up mechanism and the lock can be released by the operation member. Moreover, it can also be set as the structure which cancels | releases the lock | rock of a flip-up mechanism, a reclining mechanism, and an assembly mechanism in conjunction with an operation member and an interlocking switching mechanism.
(5) In this embodiment, the operation member 10 can be pulled back by the urging member BM of the interlocking switching mechanism SM. The operation member can be retracted by an urging member provided in at least one of a flip-up mechanism, a reclining mechanism, and an assembly mechanism.
(6) In the present embodiment, the example in which the operation of the operation member is to pull out the operation member from the seat constituent member has been described, but the configuration of the operation is not intended to be limited. For example, it can be operated by rotating the operation member.

２ 車両用シート
４ シートクッション
６ シートバック
１０ 操作部材
１２ 取手部
ＲＭ リクライニング機構
ＣＭ 跳ね上げ機構
ＭＭ 組付機構
ＢＭ 付勢部材
ＦＳ 車室床面（第一車室構造体）
ＷＳ 車室壁面（第二車室構造体）
Ｗ１ 被連結部
2 Vehicle Seat 4 Seat Cushion 6 Seat Back 10 Operation Member 12 Handle RM Reclining Mechanism CM Bounce Mechanism MM Assembly Mechanism BM Energizing Member FS Car Floor (First Car Body Structure)
WS Car wall surface (second car room structure)
W1 Connected part

Claims (2)

シートクッションとシートバックを起倒可能に連結してなるシート構成部材と、前記シートクッションに対する前記シートバックの起倒状態を維持するリクライニング機構と、車室床面等の第一車室構造体に前記シート構成部材を連結する組付機構と、車室壁面等の第二車室構造体に向けて前記シート構成部材を跳ね上げる跳ね上げ機構とを有し、
前記リクライニング機構のロックを解除して、前記シートクッションに対して前記シートバックを相対的に倒して対面状に配置しつつ、前記シート構成部材が、前記第一車室構造体に対面状に配置する第一状態から、前記組付機構のロックを解除したのち、前記跳ね上げ機構を介して前記第二車室構造体に対面状に配置する第二状態に回転変位可能である車両用シートにおいて、
前記車両用シートが、前記シート構成部材の前記操作部材を操作することで、前記リクライニング機構と前記組付機構と前記跳ね上げ機構の少なくとも一つの機構のロックを解除可能であるとともに、
前記シート構成部材を第一状態から第二状態に変位させたのち、前記操作部材を、前記第二車室構造体の被連結部に係止することにより、前記シート構成部材を前記第二車室構造体に連結する構成の車両用シート。 A seat constituent member formed by connecting a seat cushion and a seat back so that the seat cushion can be tilted; a reclining mechanism for maintaining the seat back in a tilted state with respect to the seat cushion; and a first compartment structure such as a compartment floor An assembly mechanism for connecting the seat constituent members, and a flip-up mechanism for flipping up the seat constituent members toward a second compartment structure such as a vehicle interior wall surface;
The reclining mechanism is unlocked, and the seat back is disposed in a face-to-face relationship by tilting the seat back relative to the seat cushion, and the seat component is disposed in a face-to-face manner in the first vehicle compartment structure. In the vehicle seat that can be rotationally displaced from the first state to the second state in which the assembly mechanism is unlocked and then disposed in a face-to-face manner on the second casing structure via the flip-up mechanism. ,
The vehicle seat can release the lock of at least one of the reclining mechanism, the assembly mechanism, and the flip-up mechanism by operating the operation member of the seat constituent member,
After displacing the seat constituent member from the first state to the second state, the operation member is engaged with a connected portion of the second casing structure, thereby causing the seat constituent member to move to the second vehicle. A vehicle seat configured to be coupled to a chamber structure. 前記操作部材の操作が、前記シート構成部材内から前記操作部材を引出すことであるとともに、前記操作部材が、前記リクライニング機構と前記組付機構と前記跳ね上げ機構の少なくとも一つの機構に設けた付勢部材にてシート内に引戻し可能請求項１に記載の車両用シート。
The operation of the operation member is to pull out the operation member from the seat constituting member, and the operation member is provided in at least one of the reclining mechanism, the assembly mechanism, and the flip-up mechanism. The vehicle seat according to claim 1, which can be pulled back into the seat by a biasing member.
JP2012190991A 2012-08-31 2012-08-31 Vehicle seat Pending JP2014046795A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105083073A (en) * 2014-05-19 2015-11-25 日本发条株式会社 Seat operation handle knob for vehicle

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006062385A (en) * 2004-08-24 2006-03-09 Toyota Motor Corp Seat for vehicle
JP2008290650A (en) * 2007-05-28 2008-12-04 Toyota Boshoku Corp Unlocking operation mechanism for vehicle seat

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006062385A (en) * 2004-08-24 2006-03-09 Toyota Motor Corp Seat for vehicle
JP2008290650A (en) * 2007-05-28 2008-12-04 Toyota Boshoku Corp Unlocking operation mechanism for vehicle seat

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105083073A (en) * 2014-05-19 2015-11-25 日本发条株式会社 Seat operation handle knob for vehicle

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