JP2006027542A - Reclining seat for automobile made of light alloy frame - Google Patents

Reclining seat for automobile made of light alloy frame Download PDF

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JP2006027542A
JP2006027542A JP2004212551A JP2004212551A JP2006027542A JP 2006027542 A JP2006027542 A JP 2006027542A JP 2004212551 A JP2004212551 A JP 2004212551A JP 2004212551 A JP2004212551 A JP 2004212551A JP 2006027542 A JP2006027542 A JP 2006027542A
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frame
seat
seat back
back frame
operating shaft
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JP4337097B2 (en
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Nobuhiro Inomata
信宏 猪股
Isao Awano
勲 粟野
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Honda Motor Co Ltd
TS Tech Co Ltd
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Honda Motor Co Ltd
TS Tech Co Ltd
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Priority to JP2004212551A priority Critical patent/JP4337097B2/en
Priority to US11/185,354 priority patent/US7513574B2/en
Priority to CN2009101499228A priority patent/CN101602334B/en
Priority to CNB2005100854864A priority patent/CN100542854C/en
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  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a reclining seat for an automobile made of a light alloy frame having rigidity durable against external force in collision, etc. on the lower part side of a seat back frame in simple structure not to interfere with installation of a reclining mechanism with the seat back frame the lower part side of which is formed of a flat plate type lower part defined as its base frame. <P>SOLUTION: This reclining seat for the automobile made of the sheet back frame 1 is constituted by forming in a roughly reversed U-letter frame shape over the left and right side parts 11, 12 from an upper part 10, forming the lower part 13 in a flat plate shape with a width spanned between downward rear ends of the both side parts, integrally forming the whole frame of light alloy as the base frame, mounting cam devices 2a, 2b of the reclining mechanism 2 on the downward outside of both side parts 11, 12, and connecting the both cam devices 2a, 2b with a working shaft 2c along the downward inside of the both side parts 11, 12. A metallic pipe member 3 to reinforce the lower part side of the seat back frame 1 is fitted on an axial line of the working shaft 2c. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明は、フレーム全体を軽合金から形成したシートバックフレームを基枠とする自動車用リクライニングシートに関するものである。   The present invention relates to a reclining seat for an automobile having a seat back frame formed of a light alloy for the entire frame as a base frame.

従来、マグネシウム，アルミニウム等のリサイクル可能な軽合金からシートバックフレームを基枠として自動車用シートのシートバックを組み立てることは知られている。（特許文献１）。   Conventionally, it is known to assemble a seat back for an automobile seat from a recyclable light alloy such as magnesium or aluminum using a seat back frame as a base frame. (Patent Document 1).

その軽合金から形成するシートバックフレームにおいては、リクライニング機構をフレーム下部寄りに備え付けることから、アッパー部から左右のサイド部を含めて略逆Ｕ字状の枠状に形成すると共に、ロア部を両サイド部の下寄り後縁間に亘る有幅の平板状に形成することが図られている。   In the seat back frame formed from the light alloy, since the reclining mechanism is provided near the lower part of the frame, it is formed into a substantially inverted U-shaped frame shape including the left and right side parts from the upper part, and the lower part is arranged on both sides. It is intended to form a wide flat plate extending between the lower rear edges of the side portions.

そのシートバックフレームの下部側を有幅な平板状のロア部のみから形成するだけであると、衝突時等の外力に対して対抗可能な剛性の点からすると好ましくない。この剛性を持たせるには、ロア部の肉厚を厚く形成すればよいが、軽量化の要請に反するものになってしまう。
特開２００１‐１１４００４号公報 It is not preferable that the lower side of the seat back frame is formed only from a wide flat plate-like lower portion from the viewpoint of rigidity capable of resisting external force during a collision or the like. In order to give this rigidity, the lower portion may be formed thicker, but this is contrary to the demand for weight reduction.
Japanese Patent Laid-Open No. 2001-114004

本発明の解決しようとする課題は、下部側を有幅な平板状のロア部で形成したシートバックフレームを基枠とし、リクライニング機構を組み付けるにも邪魔とならない簡単な構造により、衝突時等の外力に対して対抗可能な剛性をシートバックフレームの下部側に持たせる軽合金製フレームによる自動車用リクライニングシートを構成することにある。   The problem to be solved by the present invention is based on a seat back frame formed with a flat plate-like lower portion on the lower side, and has a simple structure that does not interfere with the assembly of the reclining mechanism. An object of the present invention is to constitute a reclining seat for an automobile using a light alloy frame that provides the lower side of the seat back frame with a rigidity that can resist external forces.

本発明の請求項１は、アッパー部から左右のサイド部を含めて略逆Ｕ字状の枠状に形成すると共に、ロア部を両サイド部の下寄り後縁間に亘る有幅の平板状に形成し、そのフレーム全体を軽合金から一体に成形したシートバックフレームを基枠とし、
リクライニング機構のカムデバイスを両サイド部の下寄り外側に取り付け、該デバイス相互を両サイド部の下寄り内側に亘る作動シャフトで連結する自動車用リライニングシートにおいて、
シートバックフレームの下部側を補強する金属製のパイプ部材を作動シャフトの軸線上に嵌装してなることを特徴とする。 Claim 1 of the present invention forms a substantially inverted U-shaped frame including the left and right side portions from the upper portion and has a flat plate shape with a width extending between the lower rear edges of both side portions. The base frame is a seatback frame that is integrally formed from a light alloy.
In a relining seat for an automobile in which a cam device of a reclining mechanism is attached to the lower side outside both side parts, and the devices are connected to each other by an operating shaft extending inside the lower side of both side parts.
A metal pipe member for reinforcing the lower side of the seat back frame is fitted on the axis of the operating shaft.

本発明の請求項２は、作動シャフトの軸線長さよりも相対的に短い長さのパイプ部材を作動シャフトの軸線上に嵌装してなることを特徴とする。   According to a second aspect of the present invention, a pipe member having a length relatively shorter than the axial length of the operating shaft is fitted on the axial line of the operating shaft.

本発明の請求項３は、樹脂製のカラーを両端部に嵌め込んだパイプ部材を作動シャフトの軸線上に遊嵌してなることを特徴とする。   A third aspect of the present invention is characterized in that a pipe member in which a resin collar is fitted at both ends is loosely fitted on the axis of the operating shaft.

本発明の請求項１に係る軽合金製フレームによる自動車用リクライニングシートでは、シートバックフレームの下部側を補強する金属製のパイプ部材を作動シャフトの軸線上に嵌装することから、外力が加わった際に、その外力を有幅な平板状のロア部とパイプ部材の軸力で分担することから、外力に対して対抗可能な剛性をシートバックフレームの下部側に持たせられる。また、パイプ部材を作動シャフトの軸線上に嵌装するだけであるため、リクライニング機構の組付けに邪魔とならず簡単に組み付けられる。   In the reclining seat for automobiles using the light alloy frame according to claim 1 of the present invention, an external force is applied because the metal pipe member that reinforces the lower side of the seat back frame is fitted on the axis of the operating shaft. In this case, since the external force is shared by the wide flat plate-like lower portion and the axial force of the pipe member, the lower side of the seat back frame can be provided with rigidity that can resist the external force. Further, since the pipe member is merely fitted on the axis of the operating shaft, it can be easily assembled without obstructing the assembly of the reclining mechanism.

本発明の請求項２に係る軽合金製フレームによる自動車用リクライニングシートでは、作動シャフトの軸線長さよりも相対的に短い長さのパイプ部材を作動シャフトの軸線上に嵌装することから、外力が加わるに伴って、作動シャフトを含むパイプ部材が曲がるとしても、パイプ部材が相対的に短い長さを持って作動シャフトの軸線上で突っ張り作用しないため、外力による衝撃エネルギーを作動シャフトと共にパイプ部材の曲りで効果的に吸収できる。   In the reclining seat for automobiles using the light alloy frame according to claim 2 of the present invention, the pipe member having a length relatively shorter than the axial length of the operating shaft is fitted on the axial line of the operating shaft. As the pipe member including the operating shaft bends as the pipe member is bent, the pipe member has a relatively short length and does not act on the axis of the operating shaft. Can be absorbed effectively by bending.

本発明の請求項３に係る軽合金製フレームによる自動車用リクライニングシートでは、樹脂製のカラーを両端部に嵌め込んだパイプ部材を作動シャフトの軸線上に遊嵌することから、リクライニング機構をレバー操作で作動するに伴う作動シャフトの回転に支障を来さず、パイプ部材との擦れによる異音が発生するのを防げる。   In the reclining seat for automobiles using the light alloy frame according to claim 3 of the present invention, the pipe member having the resin collar fitted at both ends is loosely fitted on the axis of the operating shaft, so that the reclining mechanism is operated by a lever. Therefore, it is possible to prevent the generation of noise due to rubbing with the pipe member without hindering the rotation of the operating shaft associated with the operation.

図１は、自動車用シートのシートバックを組み立てるシートバックフレーム１を示す。このシートバックフレーム１は、アッパー部１０、左右のサイド部１１，１２、ロア部１３を含むフレーム全体がマグネシウム，アルミニウム等の軽合金、好ましくは軽量でリサイクル可能なマグネシウム合金からダイカスト成形またはインジェクション成形で形成されている。   FIG. 1 shows a seat back frame 1 for assembling a seat back of an automobile seat. This seat back frame 1 is die-cast or injection-molded from a light alloy such as magnesium or aluminum, preferably a lightweight and recyclable magnesium alloy, including the upper portion 10, the left and right side portions 11 and 12, and the lower portion 13. It is formed with.

その構成中、アッパー部１０から左右のサイド部１１，１２は略逆Ｕ字状を呈する枠状に形成されている。アッパー部１０は、円弧状の両肩を含めて前方に張り出す天板１０ａと、天板１０ａの後端縁より枠内に亘る背板１０ｂとから剛性を有するよう形成されている。左右のサイド部１１，１２は、アッパー部１０の天板１０ａより連続する側板１１ａ，１２ａと、アッパー部１０の背板１０ｂより連続する縁取り板１１ｂ，１２ｂとから剛性を有するよう形成されている。   In the configuration, the left and right side portions 11 and 12 from the upper portion 10 are formed in a frame shape having a substantially inverted U shape. The upper portion 10 is formed to have rigidity from a top plate 10a that projects forward including both arc-shaped shoulders, and a back plate 10b that extends from the rear edge of the top plate 10a into the frame. The left and right side portions 11 and 12 are formed to have rigidity from side plates 11a and 12a continuous from the top plate 10a of the upper portion 10 and edge plates 11b and 12b continuous from the back plate 10b of the upper portion 10. .

ロア部１３は、リクライニング機構の組付け空間を確保するべく、図２並びに図３で示すようにサイド部１１，１２の縁取り板１１ｂ，１２ｂと面一で後端縁の下端寄りに亘る有幅の板状に形成されている。このロア部１３を含み、フレーム全体はアッパー部１０と左右のサイド部１１，１２とから略四辺形の枠状に形成されている。   The lower portion 13 has a wide width extending from the lower end of the rear end edge to be flush with the edge plates 11b and 12b of the side portions 11 and 12, as shown in FIGS. 2 and 3, in order to secure an assembly space for the reclining mechanism. It is formed in the shape of a plate. The entire frame including the lower portion 13 is formed in a substantially quadrangular frame shape from the upper portion 10 and the left and right side portions 11 and 12.

その他に、シートバックフレーム１にはヘッドレスト（図示せず）を着脱可能に備えるべく、ヘッドレストのスティを立て付ける筒状ホルダー１４ａ，１４ｂがアッパー部１０の内側で天板１０ａと背板１０ｂの板面に亘るよう縦に設けられている。また、図４で示すようにシートクッションフレームとボルト締め固定するサイドブラケット１５ａ，１５ｂ（図１参照）がサイド部１１，１２の下部側に備え付けられている。   In addition, in order to detachably attach a headrest (not shown) to the seat back frame 1, cylindrical holders 14a and 14b for standing the headrest stays are provided on the top 10a and the backplate 10b inside the upper portion 10. It is provided vertically to cover the surface. Further, as shown in FIG. 4, side brackets 15 a and 15 b (see FIG. 1) that are bolted and fixed to the seat cushion frame are provided on the lower side of the side portions 11 and 12.

リクライニング機構２は、カムデバイス２ａ，２ｂを両サイド部１１，１２の下寄り外側に取り付け、デバイス相互２ａ，２ｂを両サイド部１１，１２の下寄り内側に亘る作動シャフト２ｃで連結し、カムデバイス２ａ，２ｂのいずれか片側で作動シャフト２ｃの同軸上に装着する操作レバー（図示せず）でシートバックの傾倒角度を調整可能に備え付けられている。   The reclining mechanism 2 has cam devices 2a and 2b attached to the lower outer sides of the side portions 11 and 12, and the devices 2a and 2b are connected by an operating shaft 2c extending to the lower inner sides of the side portions 11 and 12. One of the devices 2a and 2b is provided with an operation lever (not shown) mounted on the same axis of the operating shaft 2c so that the tilt angle of the seat back can be adjusted.

上述した構成の下に、アルミニウム等の軽量な金属製で円筒状のパイプ部材３が作動シャフト２ｃの軸線上に嵌装されている。このパイプ部材３は有幅な平板状のロア部１３によるシートバックフレーム１の下部側を補強するものでなり、衝突時等の外力が加わった際に、その外力を軸力で分担することから、外力に対して対抗可能な剛性をシートバックフレーム１の下部側に持たせられる。   Under the configuration described above, a cylindrical pipe member 3 made of a lightweight metal such as aluminum is fitted on the axis of the operating shaft 2c. This pipe member 3 reinforces the lower side of the seat back frame 1 by a wide flat plate-like lower portion 13, and when an external force is applied during a collision or the like, the external force is shared by an axial force. The lower portion of the seat back frame 1 is given rigidity that can resist external forces.

パイプ部材３としては、作動シャフト２ｃの軸線長さよりも相対的に短い長さ（Ｘ＞Ｙ：図１参照）のものが嵌装されている。これにより、外力が加わるに伴って、作動シャフト２ｃを含むパイプ部材３が曲がるとしても、パイプ部材３が相対的に短い長さを持って作動シャフト２ｃの軸線上で突っ張り作用しない。そのため、外力による衝撃エネルギーを作動シャフト２ｃと共にパイプ部材３の曲りで効果的に吸収できる。   The pipe member 3 is fitted with a length (X> Y: see FIG. 1) that is relatively shorter than the axial length of the operating shaft 2c. Thereby, even if the pipe member 3 including the operating shaft 2c bends as external force is applied, the pipe member 3 has a relatively short length and does not stretch on the axis of the operating shaft 2c. Therefore, the impact energy due to the external force can be effectively absorbed by the bending of the pipe member 3 together with the operation shaft 2c.

そのパイプ部材３としては、図５で示すようにシリコン等の滑性に富んだ樹脂製のカラー４ａ，４ｂを両端部に嵌め込んだものが遊嵌されている。これにより、リクライニング機構２をレバー操作で作動するに伴う作動シャフト２ｃの回転に支障を来さず、パイプ部材３との擦れによる異音が発生するのを防げる。   As shown in FIG. 5, the pipe member 3 is loosely fitted with resin collars 4a and 4b, such as silicon, which are slidable at both ends. Thereby, the rotation of the operating shaft 2c accompanying the operation of the reclining mechanism 2 by lever operation is not hindered, and the generation of noise due to rubbing with the pipe member 3 can be prevented.

このように構成する軽合金製フレームによる自動車用リクライニングシートでは、パイプ部材３を作動シャフト２ｃの軸線上に嵌装するだけであるため、リクライニング機構２の組付けに邪魔とならないで簡単に組み付けられる。   In the reclining seat for automobiles with the light alloy frame configured as described above, the pipe member 3 is simply fitted on the axis of the operating shaft 2c, and therefore can be easily assembled without obstructing the assembling of the reclining mechanism 2. .

上述したパイプ部材３による補強と併せて、図６で示すように鋼板等の撓み性を有する金属製の帯状板材５をロア部１３の背面側で長手方向にあてがい固定するようにできる。この帯状板材５は、図７で示すように間隔を隔てて少なくとも二つの横長穴５ａ，５ｂを板面に設け、その横長穴５ａ，５ｂの略中央位置からロア部１３の板面に挿通するボルト６ａ，７ａをナット６ｂ，７ｂで締め付けることからロア部１３の板面にあてがい固定するとよい。   In combination with the reinforcement by the pipe member 3 described above, as shown in FIG. 6, a metal belt-like plate member 5 having flexibility such as a steel plate can be applied and fixed in the longitudinal direction on the back side of the lower portion 13. As shown in FIG. 7, the strip-shaped plate member 5 is provided with at least two horizontally long holes 5a and 5b on the plate surface with a space therebetween, and is inserted into the plate surface of the lower portion 13 from a substantially central position of the horizontally long holes 5a and 5b. Since the bolts 6a and 7a are tightened with the nuts 6b and 7b, the bolts 6a and 7a may be fixed to the plate surface of the lower portion 13 by being applied.

その帯状板材５をロア部１３の板面にあてがい固定すると、万が一、ロア部１３が割れたとしても、図８で示すようにボルト６ａ，７ａ、ナット６ｂ，７ｂによる締付け手段が横長穴５ａ，５ｂでズレながら、帯状板材５が撓んでロア部１３の割れ部分を受止め保持することから、ロア部１３の割れ部分が大きく迫り出さないよう押えられる。図示実施の形態では、帯状板材５をロア部１３の背面側にあてがい固定する場合で説明したが、これは正面側にあてがい固定するようにもできる。   When the belt-like plate material 5 is fixed to the plate surface of the lower portion 13, even if the lower portion 13 is cracked, the fastening means by bolts 6a, 7a and nuts 6b, 7b are used as the oblong holes 5a, Since the belt-like plate material 5 is bent and receives and holds the cracked portion of the lower portion 13 while being displaced at 5b, the cracked portion of the lower portion 13 is pressed so as not to protrude greatly. In the illustrated embodiment, the case where the belt-like plate material 5 is fixed to the back side of the lower portion 13 has been described, but this can also be fixed to the front side.

本発明に係る軽合金製フレームによる自動車用シートのシートバックを組み立てるシートバックフレームを示す正面図である。It is a front view which shows the seat back frame which assembles the seat back of the seat for motor vehicles by the frame made from the light alloy which concerns on this invention. 図１のシートバックフレームを付属部品の取外し状態で示す正面図である。It is a front view which shows the seat back frame of FIG. 1 in the removal state of an accessory. 図２のシートバックフレームをＡ−Ａ線で示す側断面図である。It is a sectional side view which shows the seat back frame of FIG. 2 by the AA line. 図１のシートバックフレームを示す側面図である。It is a side view which shows the seat back frame of FIG. 図１のシートバックフレームに組み付けられるパイプ部材を示す部分断面図である。It is a fragmentary sectional view which shows the pipe member assembled | attached to the seat back frame of FIG. 図１のシートバックフレームの付属部品として金属製の帯状部材をロア部にあてがい固定した場合を示す背面図である。It is a rear view which shows the case where the metal strip | belt-shaped member is fixed to the lower part as an accessory of the seat back frame of FIG. 図６のシートバックフレームをＢ−Ｂ線で示す部分背面図である。It is a partial rear view which shows the seat back frame of FIG. 6 by the BB line. 図６の帯状板材による作用状態を示す説明図である。It is explanatory drawing which shows the action state by the strip | belt-shaped board | plate material of FIG.

符号の説明Explanation of symbols

１ シートバックフレーム
１０ シートバックフレームのアッパー部
１１，１２ シートバックフレームのサイド部
１３ シートバックフレームのロア部
２ リクライニング機構
２ａ，２ｂ カムデバイス
２ｃ リクライニング機構の作動シャフト
３ 金属製のパイプ部材
４ａ，４ｂ パイプ部材のカラー
DESCRIPTION OF SYMBOLS 1 Seat back frame 10 Upper part of seat back frame 11, 12 Side part of seat back frame 13 Lower part of seat back frame 2 Reclining mechanism 2a, 2b Cam device 2c Acting shaft of reclining mechanism 3 Metal pipe members 4a, 4b Pipe member color

Claims (3)

アッパー部から左右のサイド部を含めて略逆Ｕ字状の枠状に形成すると共に、ロア部を両サイド部の下寄り後端縁に亘る有幅の平板状に形成し、そのフレーム全体を軽合金から一体に成形したシートバックフレームを基枠とし、
リクライニング機構のカムデバイスを両サイド部の下寄り外側に取り付け、該デバイス相互を両サイド部の下寄り内側に亘る作動シャフトで連結する自動車用リライニングシートにおいて、
シートバックフレームの下部側を補強する金属製のパイプ部材を作動シャフトの軸線上に嵌装してなることを特徴とする軽金属製フレームによる自動車用リクライニングシート。 The upper part is formed in a substantially inverted U-shaped frame shape including the left and right side parts, and the lower part is formed in a wide flat plate shape extending from the lower rear edge of both side parts. Based on a seat back frame integrally molded from a light alloy,
In a relining seat for an automobile in which a cam device of a reclining mechanism is attached to the lower side outside both side parts, and the devices are connected to each other by an operating shaft extending inside the lower side of both side parts.
A reclining seat for an automobile using a light metal frame, wherein a metal pipe member that reinforces the lower side of the seat back frame is fitted on the axis of the operating shaft. 作動シャフトの軸線長さよりも相対的に短い長さのパイプ部材を作動シャフトの軸線上に嵌装してなることを特徴とする請求項１に記載の自動車用リクライニングシート。   The reclining seat for an automobile according to claim 1, wherein a pipe member having a length relatively shorter than the axial length of the operating shaft is fitted on the axial line of the operating shaft. 樹脂製のカラーを両端部に嵌め込んだパイプ部材を作動シャフトの軸線上に遊嵌してなることを特徴とする請求項１または２に記載の自動車用リクライニングシート。
The reclining seat for an automobile according to claim 1 or 2, wherein a pipe member having a resin collar fitted at both ends is loosely fitted on the axis of the operating shaft.
JP2004212551A 2004-07-21 2004-07-21 Reclining seat for automobiles with light alloy frame Expired - Fee Related JP4337097B2 (en)

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JP2004212551A JP4337097B2 (en) 2004-07-21 2004-07-21 Reclining seat for automobiles with light alloy frame
US11/185,354 US7513574B2 (en) 2004-07-21 2005-07-20 Light alloy seat back frame for vehicle seat, and reclining vehicle-seat with the seat back frame
CN2009101499228A CN101602334B (en) 2004-07-21 2005-07-21 Seat back structure for car seat
CNB2005100854864A CN100542854C (en) 2004-07-21 2005-07-21 The light alloy seat back structure and dependence vehicle seat that are used for vehicle seat with this framework

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JP2016013726A (en) * 2014-07-01 2016-01-28 株式会社タチエス Hinge structure of seat for motor vehicle
CN107406022A (en) * 2015-01-16 2017-11-28 巴斯夫欧洲公司 Backrest and the seat including the backrest
CN108116284B (en) * 2016-11-29 2020-08-07 比亚迪股份有限公司 Back plate assembly of seat, seat and vehicle
CN110177710B (en) * 2017-01-05 2021-10-01 安道拓工程技术知识产权有限公司 Rear seat back with lightweight aluminum back panel

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JP2011006016A (en) * 2009-06-29 2011-01-13 Honda Motor Co Ltd Vehicle seat

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CN1724287A (en) 2006-01-25
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CN101602334B (en) 2012-08-29
CN101602334A (en) 2009-12-16

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