JP4132836B2 - Stabilizer mounting structure for seat lifter - Google Patents

Stabilizer mounting structure for seat lifter Download PDF

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Publication number
JP4132836B2
JP4132836B2 JP2002016537A JP2002016537A JP4132836B2 JP 4132836 B2 JP4132836 B2 JP 4132836B2 JP 2002016537 A JP2002016537 A JP 2002016537A JP 2002016537 A JP2002016537 A JP 2002016537A JP 4132836 B2 JP4132836 B2 JP 4132836B2
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Prior art keywords
stabilizer
caulking
stabilizer mounting
seat lifter
stepped
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JP2003212008A (en
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順 福田
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Delta Kogyo Co Ltd
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Delta Kogyo Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/16—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable
    • B60N2/1605—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable characterised by the cinematic
    • B60N2/161—Rods
    • B60N2/1615—Parallelogram-like structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/16—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable
    • B60N2/1635—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable characterised by the drive mechanism
    • B60N2/165—Gear wheel driven mechanism
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/68—Seat frames
    • B60N2/682—Joining means

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Seats For Vehicles (AREA)

Description

【０００１】
【発明の属する技術分野】
本発明は、車両に配設されるシートの高さを調整するためのシートリフターを補強するスタビライザーの取付け構造に関する。
【０００２】
【従来の技術】
従来、車両に用いられるシートリフターとして、図４に示すように構成されたものが知られている。このシートリフターは、左右のスライダー（アッパーレール）１０１の起立壁の前後に設けた４個の支持孔１０２にリンク１０３が揺動可能に取付けられ、右側の前後２つのリンク１０３が揺動することによりシートリフターの右側下部フレーム１０４が上下動可能に支持され、左側の前後２つのリンク１０３が揺動することによりシートリフターの左側下部フレーム１０５が上下動可能に支持されている。また、左後側のリンク１０３と、水平軸回りに揺動可能に設けられた歯車１０６とに連結棒１０７の両端が連結され、その歯車１０６に噛合するギア１０８を回転操作部１０９にて操作すると、左右のスライダー１０１と、後側の２つのリンク１０３に掛け渡された後側スタビライザー１１０とを介して、４つのリンク１０３のそれぞれが揺動するように構成されている。なお、図４中の１０１ａは、スライダー１０１をスライド可能に支持するロアレールである。
【０００３】
また、前側２つのリンク１０３の回転軸には、前側スタビライザー１１１の両端部が挿入されており、その構造を図５および図６に示す。これら両図は、片側を示したもので、筒状をした前側スタビライザー１１１の端部に軸受１１２を溶接にて取付け、この軸受１１２を、スライダー１０１の支持孔１０２およびリンク１０３の軸孔１０３ａに通し、外側からボルト１１３を螺入した構造となっている。
【０００４】
【発明が解決しようとする課題】
したがって、従来のシートリフターに備わった前側スタビライザーの取付け構造の場合には、部品点数が多くてコストが高く、重量も重いものとなっていた。加えて、軸受１１２と、スライダー１０１の支持孔１０２およびリンク１０３の軸孔１０３ａとの間でガタ発生要素が存在するため、大きなガタが発生する虞があった。
【０００５】
本発明は、このような従来技術の課題を解決するようになされたもので、低コスト化および軽重量化が図れ、しかもガタを小さくすることができるシートリフターにおけるスタビライザー取付構造を提供することを目的とする。
【０００６】
【課題を解決するための手段】
本発明のシートリフターにおけるスタビライザー取付構造は、シートリフターの左右のベース部材（１０１）を連結し、リフト用リンク（１０３）を揺動可能に支持するスタビライザーの取付構造であって、互いに離れた押さえ部（５）とかしめ部（３）との間に、押さえ部側を大径支持部（４ｂ）、かしめ部側を小径支持部（４ａ）とする段付き支持部が形成された固定部（４）を有し、かつ、該固定部（４）の押さえ部側またはかしめ部側にスタビライザー取付部（２）が設けられているとともに該スタビライザー取付部（２）に周方向の溝（６）が形成され、前記押さえ部（５）、かしめ部（３）、固定部（４）およびスタビライザー取付部（２）を一体的に有する一体成形品からなる軸受（１）を備え、上記ベース部材（１０１）が、これに形成した支持孔（１０２）に上記小径支持部（４ａ）を挿入して支持されるとともにかしめ部（３）をかしめてなる盛り上がり部分（３ａ）と段付き支持部の段付き部（４ｃ）との間で挟持され、かつ、上記リンク（１０３）が、これに形成した軸孔（１０３ａ）に上記大径支持部（４ｂ）を挿入した状態でベース部材（１０１）と押さえ部（５）との間で揺動可能に支持され、該スタビライザー取付部（２）が、少なくとも端部を筒状に形成されたスタビライザー（１１１）の片側端部に挿入されるとともに、そのスタビライザー端部が潰されて該溝（６）に入り込んで抜け防止状態となっていることを特徴とする。
【０００７】
この構造にあっては、軸受がかしめにより盛り上がり部分となるかしめ部を有していて従来のボルトを省略できる構成であるので、部品点数が削減され、低コスト化および軽重量化が図れる。また、ベース部材が、盛り上がり部分と段付き支持部の段付き部との間で挟持されるとともに、盛り上がり部分の形成の際のかしめにより拡径した小径支持部に隙間無く支持されるので、ガタ発生要素がリンクと大径支持部との間だけに減少するので、ガタが小さくなる。更に、スタビライザーがその端部を溝に入り込むように潰してスタビライザー取付部に取付られているので、溶接作業を不要にできるという利点がある。
【０００８】
【発明の実施の形態】
以下、本発明の実施形態を具体的に説明する。
【０００９】
図１は本実施形態のシートリフターにおけるスタビライザー取付構造を示す断面図、図２はスタビライザー取付け前の状態を示す分解斜視図、図３は軸受を示す断面図である。
【００１０】
このシートリフターのスタビライザー取付構造は、図４に示すように、ベース部材としての左右のスライダー（アッパーレール）１０１の起立壁を連結し、かつ、リンク１０３を揺動可能に支持する前側スタビライザー１１１を対象としており、図１に示すように、スタビライザー１１１の端部に取付けられた軸受１で、リンク１０３をスライダー１０１に揺動可能にして支持するように構成されている。
【００１１】
軸受１は、図３に示すように、一端側からスタビライザー取付部２、かしめ部３、段付き支持部４および押さえ部５が順に設けられており、スタビライザー取付部２を除くかしめ部３、段付き支持部４および押さえ部５は固定部７を構成する。つまり、固定部７の一方側（かしめ部３の左側）にスタビライザー取付部２が設けられた構成となっている。かしめ部３は、外縁側が内側よりもスタビライザー取付部２側へ突出した断面楔状に形成されており、スタビライザー取付部２には周方向に沿って溝６が形成されている。また、段付き支持部４は、一端側に小径支持部４ａが他端側に大径支持部４ｂが形成されており、両支持部４ａ、４ｂの間は段付き部４ｃとなっている。
【００１２】
かかる軸受１は、図２に示すようにしてスタビライザー１１１の端部に取付けられる。具体的には、スライダー１０１の外側にリンク１０３を配すると共にスライダー１０１に設けた支持孔１０２とリンク１０３に設けた軸孔１０３ａとを同心状になし、リンク１０３の外側より軸受１を、一端側から挿入する。このとき、スライダー１０１はロアーレール（図示せず）には固着していない。また、軸受１については、大径支持部４ｂが軸孔１０３ａの内側に位置し、小径支持部４ａが支持孔１０２の内側に位置し、かしめ部３が支持孔１０２よりも内外方向の内側に位置するように、軸受１の各部の寸法が設定されている。
【００１３】
その後、軸受１の他端側を固定してかしめ部３に、一端側から他端側へ向かう力を作用させて、かしめ部３をかしめる。この作業は、例えばスタビライザー取付部２が内部に入るパイプを大荷重で移動させるように構成した「かしめ機」を用いるのが好ましい。これによりかしめ部３は、図３の破線にて示すように外方に広がって盛り上がり、その盛り上がり部分３ａと段付き部４ｃとの間でスライダー１０１が挟持される。また、盛り上がり部分３ａの形成に伴い小径支持部４ａは拡径して支持孔１０２の内面に接触して隙間が無い状態になり、その状態でスライダー１０１は小径支持部４ａにて支持される。つまり、スライダー１０１は小径支持部４ａにてガタの無い状態で支持される。また、リンク１０３は、スライダー１０１と押さえ部５との間に挟まれた状態で大径支持部４ｂに揺動可能に支持される。このとき、リンク１０３の揺動を可能とすべく、大径支持部４ｂの軸長方向の長さ寸法は、リンク１０３の厚み寸法よりも若干長く設定しておくのが好ましい。
【００１４】
その後、スタビライザー取付部２に、少なくとも両端が筒状に形成されたスタビライザー１１１の端部を入れ、スタビライザー１１１の端部を、外側からの外力付与により溝６に沿った形状に潰す。これにより、スタビライザー１１１の一端側が軸受１を介して片方のスライダー１０１に固定される。その後、スタビライザー１１１の他端側に前同様にして軸受１を取付ることで、スタビライザー１１１の他端側がもう片方のスライダー１０１に固定される。しかる後、スタビライザー１１１で連結された状態の両スライダー１０１を各ロアーレール（図示せず）に取付ることで、本実施形態のシートリフターは車体に固着される。
【００１５】
したがって、本実施形態の取付構造による場合には、軸受１がかしめにより盛り上がり部分３ａとなるかしめ部３を有していて従来のボルトを省略できる構成であるので、部品点数が削減され、低コスト化および軽重量化が図れる。また、スライダー１０１が、盛り上がり部分３ａと段付き支持部４の段付き部４ｃとの間で挟持されるとともに、盛り上がり部分３ａの形成の際のかしめにより拡径した小径支持部４ａに隙間無く支持されるので、ガタ発生要素がリンク１０３と大径支持部４ｂとの間だけに減少するので、ガタが小さくなる。更に、スタビライザー１１１がその端部を溝６に入り込むように潰してスタビライザー取付部２に取付られているので、溶接作業を不要にできるという利点がある。
【００１６】
なお、上述した実施形態ではスライダー１０１の外側にリンク１０３が配される例を示しているが、本発明はこれに限らず、スライダー１０１の内側にリンク１０３が配される場合にも適用することができる。この場合には、図３に示すように固定部７のかしめ部３側にスタビライザー取付部２を設けた軸受１とは逆方向側に、つまり図７に示すように固定部７の押さえ部５側にスタビライザー取付部２を設けた軸受１Ａを用い、かしめ部３がスライダー１０１の外側に位置するように配して使用されることとなる。
【００１７】
また、上述した実施形態では図４に示す前側のスタビライザーに適用しているが、本発明はこれに限らない。例えば、シートリフターの後側のスタビライザーが、前側のスタビライザーと同様に構成され、左右のスライダー（ベース部材）を連結し、リンクを揺動可能に支持するものである場合には、前側だけでなく後側のスタビライザーにも本発明は適用され得る。要は、本発明は、シートリフターの左右のベース部材を連結し、リフト用リンクを揺動可能に支持するように設けられるスタビライザーであれば、そのスタビライザーの取付構造に対して適用することができる。
【００１８】
また、上述した実施形態ではベース部材が前後方向にスライドするスライダーである場合に適用しているが、本発明はこれに限らず、ベース部材がスライドしない場合にも同様に適用することができる。
【００１９】
【発明の効果】
以上詳述したように、本発明による場合には、軸受がかしめにより盛り上がり部分となるかしめ部を有していて従来のボルトを省略できる構成であるので、部品点数が削減され、低コスト化および軽重量化が図れる。また、ベース部材が、盛り上がり部分と段付き支持部の段付き部との間で挟持されるとともに、盛り上がり部分の形成の際のかしめにより拡径した小径支持部に隙間無く支持されるので、ガタ発生要素がリンクと大径支持部との間だけに減少するので、ガタが小さくなる。更に、スタビライザーがその端部を溝に入り込むように潰してスタビライザー取付部に取付られているので、溶接作業を不要にできるという利点がある。
【図面の簡単な説明】
【図１】 本実施形態のシートリフターのスタビライザー取付構造を示す断面図である。
【図２】 本実施形態のシートリフターにおけるスタビライザー取付け前の状態を示す分解斜視図である。
【図３】 本実施形態で使用する軸受を示す断面図である。
【図４】 従来のシートリフターを示す斜視図である。
【図５】 従来のシートリフターにおけるスタビライザー取付構造を示す断面図である。
【図６】 従来のシートリフターにおけるスタビライザー取付け前の状態を示す分解斜視図である。
【図７】 本発明で使用し得る他の形態の軸受を示す断面図である。
【符号の説明】
１、１Ａ 軸受
２ スタビライザー取付部
３ かしめ部
４ 段付き支持部
４ａ 小径支持部
４ｂ 大径支持部
４ｃ 段付き部
５ 押さえ部
６ 溝
７ 固定部
１０１ スライダー（アッパーレール）
１０２ 支持孔
１０３ リンク
１０３ａ 軸孔
１１１ 前側スタビライザー[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a stabilizer mounting structure for reinforcing a seat lifter for adjusting the height of a seat disposed in a vehicle.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, as a seat lifter used in a vehicle, one configured as shown in FIG. 4 is known. In this seat lifter, the link 103 is swingably attached to the four support holes 102 provided in front of and behind the upright walls of the left and right sliders (upper rails) 101, and the two front and rear links 103 on the right side swing. As a result, the lower right frame 104 of the seat lifter is supported so as to move up and down, and the left lower frame 105 of the seat lifter is supported so as to move up and down by swinging the two front and rear links 103. Further, both ends of the connecting rod 107 are connected to the link 103 on the left rear side and the gear 106 provided to be swingable around the horizontal axis, and the gear 108 meshing with the gear 106 is operated by the rotation operation unit 109. Then, each of the four links 103 is configured to swing through the left and right sliders 101 and the rear stabilizer 110 spanned between the two links 103 on the rear side. In addition, 101a in FIG. 4 is a lower rail which supports the slider 101 so that sliding is possible.
[0003]
Further, both ends of the front stabilizer 111 are inserted into the rotation shafts of the two front links 103, and the structure thereof is shown in FIGS. These drawings show one side, and a bearing 112 is attached to the end of the cylindrical front stabilizer 111 by welding, and this bearing 112 is attached to the support hole 102 of the slider 101 and the shaft hole 103a of the link 103. The bolt 113 is screwed from the outside.
[0004]
[Problems to be solved by the invention]
Therefore, in the case of the mounting structure of the front stabilizer provided in the conventional seat lifter, the number of parts is large, the cost is high, and the weight is heavy. In addition, since there is a backlash generating element between the bearing 112 and the support hole 102 of the slider 101 and the shaft hole 103a of the link 103, there is a possibility that a large backlash may occur.
[0005]
The present invention has been made to solve the above-described problems of the prior art, and an object thereof is to provide a stabilizer mounting structure in a seat lifter capable of reducing cost and weight and reducing backlash. And
[0006]
[Means for Solving the Problems]
The stabilizer mounting structure in the seat lifter according to the present invention is a stabilizer mounting structure that connects the left and right base members (101) of the seat lifter and supports the lift link (103) so as to be swingable. part (5) caulking portion between (3), the large-diameter support portion pressing portion (4b), a fixed portion stepped supporting portion formed of a crimping section end thin support part and (4a) ( 4) , and a stabilizer mounting portion (2) is provided on the pressing portion side or the caulking portion side of the fixing portion (4) , and a circumferential groove (6) is provided in the stabilizer mounting portion (2 ). Is formed , and includes a bearing (1) made of an integrally molded product integrally including the pressing portion (5), the caulking portion (3), the fixing portion (4), and the stabilizer mounting portion (2), and the base member ( 101) The raised portion (3a) which is supported by inserting the small diameter support portion (4a) into the support hole (102) formed in the support hole (102) and the crimped portion (3 ) and the stepped portion of the stepped support portion ( is sandwiched between 4c), and said link (103) is a base member (101) and the pressing portion in a state of inserting a shaft hole formed thereto (the large-diameter support portion 103a) (4b) ( 5) , and the stabilizer mounting portion (2) is inserted into one end portion of the stabilizer (111) having at least an end formed in a cylindrical shape, and the end portion of the stabilizer. Is crushed and enters the groove (6) to prevent it from coming off.
[0007]
In this structure, since the bearing has a caulking portion that becomes a raised portion by caulking, and the conventional bolt can be omitted, the number of parts can be reduced, and the cost and weight can be reduced. Further, since the base member is sandwiched between the raised portion and the stepped portion of the stepped support portion, and is supported without gaps by the small diameter support portion expanded by caulking at the time of forming the raised portion, there is no play. Since the generation element is reduced only between the link and the large-diameter support portion, the play is reduced. Furthermore, since the stabilizer is crushed so that the end portion enters the groove and is attached to the stabilizer attachment portion, there is an advantage that the welding work can be eliminated.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be specifically described.
[0009]
FIG. 1 is a sectional view showing a stabilizer mounting structure in a seat lifter of the present embodiment, FIG. 2 is an exploded perspective view showing a state before the stabilizer is attached, and FIG. 3 is a sectional view showing a bearing.
[0010]
As shown in FIG. 4, the stabilizer mounting structure of the seat lifter includes a front stabilizer 111 that connects upright walls of left and right sliders (upper rails) 101 as base members and supports the link 103 so as to be swingable. As shown in FIG. 1, the bearing 103 attached to the end portion of the stabilizer 111 is configured to be swingably supported by the slider 101 with a bearing 1.
[0011]
As shown in FIG. 3, the bearing 1 is provided with a stabilizer mounting portion 2, a caulking portion 3, a stepped support portion 4 and a pressing portion 5 in this order from one end side, and the caulking portion 3 excluding the stabilizer mounting portion 2, the step The attached support part 4 and the pressing part 5 constitute a fixing part 7. That is, the stabilizer mounting portion 2 is provided on one side of the fixing portion 7 (left side of the caulking portion 3). The caulking portion 3 is formed in a cross-sectional wedge shape in which the outer edge side protrudes toward the stabilizer mounting portion 2 side from the inner side, and a groove 6 is formed in the stabilizer mounting portion 2 along the circumferential direction. Further, the stepped support portion 4 is formed with a small diameter support portion 4a on one end side and a large diameter support portion 4b on the other end side, and a stepped portion 4c is formed between the support portions 4a and 4b.
[0012]
The bearing 1 is attached to the end of the stabilizer 111 as shown in FIG. Specifically, the link 103 is arranged outside the slider 101 and the support hole 102 provided in the slider 101 and the shaft hole 103a provided in the link 103 are formed concentrically. Insert from the side. At this time, the slider 101 is not fixed to the lower rail (not shown). As for the bearing 1, the large-diameter support portion 4 b is located inside the shaft hole 103 a, the small-diameter support portion 4 a is located inside the support hole 102, and the caulking portion 3 is located inside inward and outward from the support hole 102. The dimension of each part of the bearing 1 is set so that it may be located.
[0013]
Thereafter, the other end side of the bearing 1 is fixed, and the caulking portion 3 is caulked by applying a force from one end side to the other end side. For this operation, for example, it is preferable to use a “caulking machine” configured to move the pipe in which the stabilizer mounting portion 2 is moved with a large load. As a result, the caulking portion 3 spreads outward as shown by the broken line in FIG. 3, and the slider 101 is sandwiched between the raised portion 3a and the stepped portion 4c. Further, with the formation of the raised portion 3a, the small diameter support portion 4a expands in diameter and comes into contact with the inner surface of the support hole 102 so that there is no gap. In this state, the slider 101 is supported by the small diameter support portion 4a. That is, the slider 101 is supported without any play by the small diameter support portion 4a. Further, the link 103 is swingably supported by the large-diameter support portion 4b while being sandwiched between the slider 101 and the pressing portion 5. At this time, the length dimension in the axial length direction of the large-diameter support portion 4 b is preferably set slightly longer than the thickness dimension of the link 103 so that the link 103 can swing.
[0014]
Thereafter, the end of the stabilizer 111 having at least both ends formed in a cylindrical shape is inserted into the stabilizer mounting portion 2, and the end of the stabilizer 111 is crushed into a shape along the groove 6 by applying external force from the outside. Thus, one end side of the stabilizer 111 is fixed to one slider 101 via the bearing 1. After that, by attaching the bearing 1 to the other end side of the stabilizer 111 in the same manner as before, the other end side of the stabilizer 111 is fixed to the other slider 101. Thereafter, the two sliders 101 connected by the stabilizer 111 are attached to each lower rail (not shown), so that the seat lifter of the present embodiment is fixed to the vehicle body.
[0015]
Therefore, in the case of the mounting structure of the present embodiment, the bearing 1 has the caulking portion 3 that becomes the raised portion 3a by caulking, and the conventional bolt can be omitted. Therefore, the number of parts can be reduced and the cost can be reduced. And weight reduction. Further, the slider 101 is sandwiched between the raised portion 3a and the stepped portion 4c of the stepped support portion 4, and is supported without a gap on the small diameter support portion 4a that has been expanded by caulking when the raised portion 3a is formed. Therefore, the backlash generation element is reduced only between the link 103 and the large-diameter support portion 4b, and the backlash is reduced. Furthermore, since the stabilizer 111 is crushed so that the edge part may enter into the groove | channel 6, and it is attached to the stabilizer attachment part 2, there exists an advantage that a welding operation can be made unnecessary.
[0016]
In the above-described embodiment, an example in which the link 103 is arranged outside the slider 101 is shown. However, the present invention is not limited to this, and the present invention is also applicable to the case where the link 103 is arranged inside the slider 101. Can do. In this case, as shown in FIG. 3, the pressing portion 5 of the fixing portion 7 is located on the opposite side of the bearing 1 provided with the stabilizer mounting portion 2 on the caulking portion 3 side of the fixing portion 7, that is, as shown in FIG. The bearing 1A provided with the stabilizer mounting portion 2 on the side is used, and the caulking portion 3 is disposed so as to be positioned outside the slider 101.
[0017]
Moreover, although applied to the front side stabilizer shown in FIG. 4 in embodiment mentioned above, this invention is not limited to this. For example, if the stabilizer on the rear side of the seat lifter is configured in the same way as the stabilizer on the front side and connects the left and right sliders (base members) to support the link in a swingable manner, not only the front side The present invention can also be applied to the rear stabilizer. In short, the present invention can be applied to the stabilizer mounting structure as long as the stabilizer is provided so as to connect the left and right base members of the seat lifter and support the lift link so as to be swingable. .
[0018]
In the above-described embodiment, the present invention is applied when the base member is a slider that slides in the front-rear direction. However, the present invention is not limited to this, and can be similarly applied when the base member does not slide.
[0019]
【The invention's effect】
As described above in detail, in the case of the present invention, since the bearing has a caulking portion that becomes a raised portion by caulking, and the conventional bolt can be omitted, the number of parts is reduced, the cost is reduced, and Light weight can be achieved. Further, since the base member is sandwiched between the raised portion and the stepped portion of the stepped support portion, and is supported without gaps by the small diameter support portion expanded by caulking at the time of forming the raised portion, there is no play. Since the generation element is reduced only between the link and the large-diameter support portion, the play is reduced. Furthermore, since the stabilizer is crushed so that the end portion enters the groove and is attached to the stabilizer attachment portion, there is an advantage that the welding work can be eliminated.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view showing a stabilizer mounting structure of a seat lifter according to an embodiment.
FIG. 2 is an exploded perspective view showing a state before the stabilizer is attached in the seat lifter of the present embodiment.
FIG. 3 is a cross-sectional view showing a bearing used in the present embodiment.
FIG. 4 is a perspective view showing a conventional seat lifter.
FIG. 5 is a cross-sectional view showing a stabilizer mounting structure in a conventional seat lifter.
FIG. 6 is an exploded perspective view showing a state before mounting a stabilizer in a conventional seat lifter.
FIG. 7 is a cross-sectional view showing another type of bearing that can be used in the present invention.
[Explanation of symbols]
1, 1A Bearing 2 Stabilizer mounting portion 3 Caulking portion 4 Stepped support portion 4a Small diameter support portion 4b Large diameter support portion 4c Stepped portion 5 Holding portion 6 Groove 7 Fixed portion 101 Slider (upper rail)
102 Support hole 103 Link 103a Shaft hole 111 Front stabilizer

Claims (1)

シートリフターの左右のベース部材（１０１）を連結し、リフト用リンク（１０３）を揺動可能に支持するスタビライザーの取付構造であって、
互いに離れた押さえ部（５）とかしめ部（３）との間に、押さえ部側を大径支持部（４ｂ）、かしめ部側を小径支持部（４ａ）とする段付き支持部が形成された固定部（４）を有し、かつ、該固定部（４）の押さえ部側またはかしめ部側にスタビライザー取付部（２）が設けられているとともに該スタビライザー取付部（２）に周方向の溝（６）が形成され、前記押さえ部（５）、かしめ部（３）、固定部（４）およびスタビライザー取付部（２）を一体的に有する一体成形品からなる軸受（１）を備え、
上記ベース部材（１０１）が、これに形成した支持孔（１０２）に上記小径支持部（４ａ）を挿入して支持されるとともにかしめ部（３）をかしめてなる盛り上がり部分（３ａ）と段付き支持部の段付き部（４ｃ）との間で挟持され、かつ、上記リンク（１０３）が、これに形成した軸孔（１０３ａ）に上記大径支持部（４ｂ）を挿入した状態でベース部材（１０１）と押さえ部（５）との間で揺動可能に支持され、該スタビライザー取付部（２）が、少なくとも端部を筒状に形成されたスタビライザー（１１１）の片側端部に挿入されるとともに、そのスタビライザー端部が潰されて該溝（６）に入り込んで抜け防止状態となっていることを特徴とするシートリフターにおけるスタビライザー取付構造。A stabilizer mounting structure that connects the left and right base members (101) of the seat lifter and supports the lift link (103) in a swingable manner.
A stepped support portion is formed between the presser portion (5) and the caulking portion (3) that are separated from each other, with the presser portion side being a large diameter support portion (4b) and the caulking portion side being a small diameter support portion (4a). fixed portion having a (4), and the fixing portion (4) with the stabilizer mounting portion in the pressing portion or the caulking portion (2) is provided with the stabilizer mounting portion in the circumferential direction of (2) of A groove (6) is formed, and includes a bearing (1) made of an integrally molded product integrally including the pressing portion (5), the caulking portion (3), the fixing portion (4), and the stabilizer mounting portion (2) .
The base member (101) is supported by inserting the small-diameter support portion (4a) into the support hole (102) formed in the base member ( 102) , and is stepped with a raised portion (3a) formed by caulking the caulking portion (3). The base member is sandwiched between the stepped portion (4c) of the support portion, and the link (103) is inserted into the shaft hole (103a) formed in the large diameter support portion (4b). (101) and the holding portion (5) are supported so as to be swingable, and the stabilizer mounting portion (2) is inserted into one end portion of the stabilizer (111) having a cylindrical shape at least at the end portion. The stabilizer mounting structure in the seat lifter is characterized in that the stabilizer end portion is crushed and enters the groove (6) to prevent it from coming off.
JP2002016537A 2002-01-25 2002-01-25 Stabilizer mounting structure for seat lifter Expired - Fee Related JP4132836B2 (en)

Priority Applications (1)

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Publication number Priority date Publication date Assignee Title
JP5055926B2 (en) * 2006-09-29 2012-10-24 アイシン精機株式会社 Vehicle seat device
DE102010021396A1 (en) * 2010-05-25 2011-12-01 Schaeffler Technologies Gmbh & Co. Kg Assembly and method for assembling an assembly
DE102011007129A1 (en) * 2011-04-11 2012-10-11 Thiel & Hoche Gmbh & Co. Kg Automotive seat Traverse

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