JPH07232578A - Seat slide device - Google Patents
Seat slide deviceInfo
- Publication number
- JPH07232578A JPH07232578A JP2786594A JP2786594A JPH07232578A JP H07232578 A JPH07232578 A JP H07232578A JP 2786594 A JP2786594 A JP 2786594A JP 2786594 A JP2786594 A JP 2786594A JP H07232578 A JPH07232578 A JP H07232578A
- Authority
- JP
- Japan
- Prior art keywords
- rail
- seat
- bearing
- screw member
- elastic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Seats For Vehicles (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、車体フロア側に固設さ
れる車体側レールと、該車体側レールに長手方向に移動
可能に嵌合して座席を支持する座席側レールとを有し、
前記両レールの一方に回転駆動されるスクリュー部材を
支持し、両レールの他方に前記スクリュー部材に相対的
に回転可能に螺合するナット部材を支持してなるシート
スライド装置に関する。更に詳しくは、前記スクリュー
部材の一端部を軸受部材を介して前記車体側レール及び
座席側レールの一方に支持する構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention has a vehicle body side rail fixed to a vehicle body floor side, and a seat side rail for movably fitting in the vehicle body side rail in a longitudinal direction to support a seat. ,
The present invention relates to a seat slide device in which a screw member that is rotationally driven is supported by one of the rails, and a nut member that is rotatably engaged with the screw member is supported by the other of the rails. More specifically, it relates to a structure in which one end of the screw member is supported by one of the vehicle body side rail and the seat side rail via a bearing member.
【０００２】[0002]
【従来の技術】従来、この種のシートスライド装置とし
ては、例えば図９に示すようなものがある。すなわち、
車体フロア側に固設された車体側レール（図示せず）に
は、座席を支持する座席側レール１が前後移動可能に嵌
合しており、かかる座席側レール１には、その長手方向
に平行なスクリュー部材２が配されている。スクリュー
部材２の先端側は図示省略したが回転駆動機構に連結さ
れており、後端側は図９に示した如く、座席側レール１
に溶接された取付ブラケット３にエンドベアリング４を
介して回転可能に支持されている。なお、エンドベアリ
ング４は取付ブラケット３にビス５にて強固に固着され
ている。2. Description of the Related Art Conventionally, as a seat slide device of this type, for example, there is one shown in FIG. That is,
A seat-side rail 1 (not shown) fixed to the floor of the vehicle body is fitted with a seat-side rail 1 for supporting a seat so that the seat-side rail 1 can move back and forth. Parallel screw members 2 are arranged. Although not shown in the drawings, the front end side of the screw member 2 is connected to a rotary drive mechanism, and the rear end side thereof is as shown in FIG.
It is rotatably supported by the mounting bracket 3 welded to the end bracket 4 through an end bearing 4. The end bearing 4 is firmly fixed to the mounting bracket 3 with a screw 5.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、このよ
うな従来のシートスライド装置は、レール１に取付ブラ
ケット３を溶接したり、取付ブラケット３にエンドベア
リング４をビス止めするから、部品点数が多く、組み付
け作業に時間がかかり、コストが嵩むという問題点があ
った。However, such a conventional seat slide device has a large number of parts because the mounting bracket 3 is welded to the rail 1 and the end bearing 4 is fixed to the mounting bracket 3 with screws. There is a problem that the assembly work takes time and the cost increases.
【０００４】また、スクリュー部材２の一端部を直接支
持するエンドベアリング４は強固にレール１側にビス止
めされており、スクリュー部材２の軸心が動き得る余裕
がないから、スクリュー部材２の回転駆動の際の振れが
吸収されることなく、座席側レール１に支持された座席
にそのまま伝わるため、乗り心地上問題であった。Further, since the end bearing 4 which directly supports one end of the screw member 2 is firmly screwed to the rail 1 side and there is no allowance for the axial center of the screw member 2 to rotate, the screw member 2 rotates. The vibration during driving is not absorbed and is transmitted to the seat supported by the seat-side rail 1 as it is, which is a problem in terms of riding comfort.
【０００５】本発明は、このような従来の問題点に着目
してなされたもので、部品点数が少なくて済むと共に、
簡易かつ迅速に軸受部材をレールに取付けることが可能
であり、組み付け作業性が向上してコストを低減するこ
とができ、また、軸受部材がスクリュー部材の振れを適
度に吸収することが可能であり、座席の振動を抑制して
乗り心地を向上させることができるシートスライド装置
を提供することを目的としている。The present invention has been made by paying attention to such conventional problems, and the number of parts can be reduced, and
It is possible to easily and quickly attach the bearing member to the rail, improve the assembly workability and reduce the cost, and the bearing member can absorb the vibration of the screw member appropriately. An object of the present invention is to provide a seat slide device that can suppress the vibration of the seat and improve the riding comfort.
【０００６】[0006]
【課題を解決するための手段】かかる目的を達成するた
めの本発明の要旨とするところは、車体フロア側に固設
される車体側レール（２１）と、該車体側レール（２
１）に対し長手方向に移動可能に嵌合して座席を支持す
る座席側レール（３１）とを有し、前記両レールの一方
（３１）に、回転駆動されるスクリュー部材（４１）を
軸受部材（５０）を介して支持し、両レールの他方（２
１）に、前記スクリュー部材（４１）に相対的に回転可
能に螺合するナット部材（４２）を固定してなるシート
スライド装置（１０）において、前記軸受部材（５０）
は、スクリュー部材（４１）の一端部（４１ｂ）が回転
可能に挿通する挿通孔（５２）が穿設された軸受部（５
１）と、該軸受部（５１）の両側にそれぞれ弾性変形可
能に延設され、前記一方のレール（３１）の両側壁（３
３，３３）間より外側に拡開し得る弾性側片部（５３）
と、各弾性側片部（５３）にそれぞれ形成され、前記一
方のレール（３１）の両側壁（３３，３３）に形成され
た被係合部（３４）に押圧係合する係合部（５４）とを
有し、前記軸受部材（５０）は、その両弾性側片部（５
３，５３）が前記一方のレール（３１）の両側壁（３
３，３３）に当接弾圧されながら該レール（３１）内側
に挿入された後、前記係合部（５４）が被係合部（３
４）に係合すると共に各弾性側片部（５３）が復元する
ことで、前記一方のレール（３１）に対し弾発的に取付
けられたことを特徴とするシートスライド装置（１０）
に存する。The gist of the present invention for achieving the above object is to provide a vehicle body side rail (21) fixedly mounted on the vehicle body floor side and the vehicle body side rail (2).
1) a seat-side rail (31) that movably fits in the longitudinal direction to support a seat, and one of the rails (31) bears a screw member (41) that is driven to rotate. It is supported via a member (50) and the other (2
In the seat slide device (10), wherein a nut member (42) screwed into the screw member (41) so as to be rotatable relative to the screw member (41) is fixed to the bearing member (50).
Is a bearing part (5) having an insertion hole (52) through which one end (41b) of the screw member (41) is rotatably inserted.
1) and both side walls (3) of the one rail (31), which are elastically deformably extended to both sides of the bearing portion (51).
Elastic side piece (53) capable of expanding outward from between (3, 33)
And an engaging portion (34) formed on each elastic side piece (53) and press-engaging with an engaged portion (34) formed on both side walls (33, 33) of the one rail (31). 54), and the bearing member (50) has two elastic side pieces (5).
3, 53) are both side walls (3) of the one rail (31).
3, 33) is inserted into the inside of the rail (31) while being elastically pressed against it, and then the engaging portion (54) is engaged with the engaged portion (3).
4) The seat slide device (10) is elastically attached to the one rail (31) by engaging with the elastic side piece (53) and restoring the elastic side piece (53).
Exist in.
【０００７】[0007]
【作用】車体側レール（２１）及び座席側レール（３
１）の一方（３１）に、スクリュー部材（４１）の一端
部（４１ｂ）を直接支持する軸受部材（５０）を取付け
る場合には、軸受部（５１）の両側にそれぞれ延設され
た各弾性側片部（５３）を軸受部（５１）側に近接させ
るよう押圧する。そして弾性変形させた各弾性側片部
（５３）を前記一方のレール（３１）の両側壁（３３，
３３）に当接弾圧させながら、軸受部材（５０）をレー
ル（３１）内側に挿入する。[Operation] Body side rail (21) and seat side rail (3
1) When the bearing member (50) for directly supporting the one end portion (41b) of the screw member (41) is attached to one side (31), each elastic member extended on both sides of the bearing portion (51). The side piece portion (53) is pressed so as to approach the bearing portion (51) side. The elastically deformed elastic side pieces (53) are attached to the side walls (33, 33) of the one rail (31).
The bearing member (50) is inserted inside the rail (31) while contacting and elastically contacting the rail 33).
【０００８】レール（３１）の両側壁（３３，３３）に
当接弾圧している各弾性側片部（５３）に形成された係
合部（５４）が、レール（３１）の両側壁（３３，３
３）に形成された被係合部（３４）に係合すると、その
分だけ各弾性側片部（５３）が両側壁（３３，３３）間
の外側に拡開する方向に復元する。従って、軸受部材
（５０）は、他の部品を用いることなく各弾性側片部
（５３）の復元力と、前記係合部（５４）と被係合部
（３４）との互いの係合関係だけでレールに取付けるこ
とができる。The engaging portion (54) formed on each elastic side piece (53) contacting and elastically pressed against the both side walls (33, 33) of the rail (31) has an engaging portion (54) formed on both side walls () of the rail (31). 33,3
When the engaged portion (34) formed in 3) is engaged, each elastic side piece portion (53) is restored by that amount in the direction of expanding to the outside between the side walls (33, 33). Therefore, in the bearing member (50), the restoring force of each elastic side piece (53) and the engagement of the engaging portion (54) and the engaged portion (34) with each other without using other parts. It can be mounted on the rail just by connection.
【０００９】スクリュー部材（４１）を挿通させる軸受
部材（５０）における軸受部（５１）には、その両側の
各弾性側片部（５３）の弾性変形によりレールに対して
弾発的にある程度動き得る遊びが生じる。従って、かか
る遊びによりスクリュー部材（４１）の回転駆動の際の
振れは適度に吸収されて、座席側レール（３１）に伝わ
るのを防止でき、座席側レール（３１）に支持された座
席の振動を抑制することで乗り心地を向上させることが
できる。The bearing portion (51) of the bearing member (50) into which the screw member (41) is inserted is elastically moved to some extent relative to the rail by elastic deformation of the elastic side piece portions (53) on both sides thereof. There will be play to gain. Therefore, due to such play, the vibration generated when the screw member (41) is rotationally driven can be appropriately absorbed, and can be prevented from being transmitted to the seat side rail (31), and the vibration of the seat supported by the seat side rail (31) can be prevented. It is possible to improve the riding comfort by suppressing.
【００１０】なお、前記スクリュー部材（４１）を回転
駆動すると、その回転トルクに応じてスクリュー部材
（４１）に螺合するナット部材（４２）が相対的に前後
移動する。ナット部材（４２）は車体側レール（２１）
及び座席側レール（３１）の他方（２１）に固定、すな
わち回転不能に拘束されるから、スクリュー部材（４
１）の回転に伴うナット部材（４２）の相対的な前後移
動により、車体側レール（２１）に対し座席側レール
（３１）がスライドするため、座席位置を適宜調整する
ことができる。When the screw member (41) is rotationally driven, the nut member (42) screwed into the screw member (41) moves back and forth relatively in accordance with the rotational torque. The nut member (42) is the vehicle body side rail (21)
Since it is fixed to the other side (21) of the seat side rail (31), that is, it is non-rotatably restrained, the screw member (4
Since the seat side rail (31) slides with respect to the vehicle body side rail (21) due to the relative back and forth movement of the nut member (42) accompanying the rotation of 1), the seat position can be adjusted appropriately.
【００１１】[0011]
【実施例】以下、図面に基づき本発明の各種実施例を説
明する。図１〜図４は本発明の第１実施例を示してい
る。図１に示すように、シートスライド装置１０は、レ
ッグ部材１２，１３を介して車体フロアに固設される車
体側レール２１と、車体側レール２１に長手方向（前後
方向と一致）に移動可能に嵌合し、座席を直接支持する
座席側レール３１とを有する。車体側レール２１と座席
側レール３１とは組合されて一つのレールユニットを成
しており、実際には一対のレールユニットが座席である
車両用シートのシートクッションの両側部下側に配され
ることになる。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Various embodiments of the present invention will be described below with reference to the drawings. 1 to 4 show a first embodiment of the present invention. As shown in FIG. 1, the seat slide device 10 is movable to a vehicle body side rail 21 fixed to a vehicle body floor via leg members 12 and 13, and to the vehicle body side rail 21 in a longitudinal direction (corresponding to the front-rear direction). And a seat-side rail 31 for directly supporting the seat. The vehicle body side rail 21 and the seat side rail 31 are combined to form one rail unit, and actually, a pair of rail units are arranged below both side portions of a seat cushion of a vehicle seat which is a seat. become.
【００１２】車体側レール２１は、図示したように溝状
断面形に形成されており、底面部２２と両側壁部２３，
２３、それに天井部２４を有している。天井部２４の略
中央には、長手方向に延びる開口溝２４ａが形成されて
いる。一方の座席側レール３１も溝状断面に形成されて
おり、天井部３２と両側壁３３，３３とを有しており、
底部は大きく開口している。The vehicle body side rail 21 is formed in a groove-shaped cross section as shown in the drawing, and has a bottom surface portion 22 and side wall portions 23,
23 and a ceiling 24. An opening groove 24a that extends in the longitudinal direction is formed at approximately the center of the ceiling portion 24. One of the seat side rails 31 is also formed in a groove-shaped cross section, and has a ceiling portion 32 and side walls 33, 33,
The bottom has a large opening.
【００１３】座席側レール３１の底部開口側が車体側レ
ール２１の開口溝２４ａに入り込むようにして、両レー
ル２１，３１は互いに嵌合しており、その内部には、車
体側レール２１の底面部２２及び両側壁部２３，２３、
並びに座席側レール３１の天井部３２及び両側壁部３
３，３３により囲まれた空隙が形成されている。なお、
両レール２１，３１間には、球状ベアリング３５やコロ
状ベアリング３６が介装されている。The rails 21 and 31 are fitted into each other such that the bottom opening side of the seat side rail 31 enters the opening groove 24a of the vehicle body side rail 21, and the bottom surface portion of the vehicle body side rail 21 is inside thereof. 22 and both side wall portions 23, 23,
And the ceiling portion 32 of the seat side rail 31 and the side wall portions 3
A void surrounded by 3, 33 is formed. In addition,
A spherical bearing 35 and a roller bearing 36 are interposed between the rails 21 and 31.
【００１４】両レール２１，３１間の空隙には、車体側
レール２１に対して座席側レール３１を前後移動させる
駆動機構４０が内装されている。駆動機構４０は、座席
側レール２１に沿って回転可能に支持されたスクリュー
部材４１と、該スクリュー部材４１に対し相対的に回転
可能に螺合するナット部材４２とを有している。スクリ
ュー部材４１の後端部４１ｂは、合成樹脂より一体成形
された軸受部材５０を介して回転可能に座席側レール３
１に支持されている。A drive mechanism 40 for moving the seat side rail 31 back and forth with respect to the vehicle body side rail 21 is installed in the space between the rails 21 and 31. The drive mechanism 40 has a screw member 41 that is rotatably supported along the seat-side rail 21, and a nut member 42 that is rotatably engaged with the screw member 41. A rear end portion 41b of the screw member 41 is rotatably mounted on a seat side rail 3 via a bearing member 50 integrally formed of synthetic resin.
Supported by 1.
【００１５】図２に示すよう軸受部材５０は、軸受部５
１と、該軸受部５１の両側にそれぞれ弾性変形可能に延
設された一対の弾性側片部５３，５３とからなる。軸受
部５１には、スクリュー部材４１の後端部４１ｂが回転
可能に挿通する挿通孔５２が穿設されている。The bearing member 50, as shown in FIG.
1 and a pair of elastic side piece portions 53, 53 extending on both sides of the bearing portion 51 so as to be elastically deformable. The bearing 51 has an insertion hole 52 through which the rear end 41b of the screw member 41 is rotatably inserted.
【００１６】一対の弾性側片部５３，５３は、それぞれ
軸受部５１の両側上端より下方に向って、軸受部５１の
側部幅と同一幅の薄板状に延出している。また、弾性側
片部５３，５３は、図４において想像線（二点破線）で
示すように通常は、座席側レール３１の両側壁部３３，
３３間より外側に末広がりに拡開している。The pair of elastic side pieces 53, 53 extend downward from the upper ends of both sides of the bearing 51, respectively, and extend in a thin plate shape having the same width as the lateral width of the bearing 51. Further, the elastic side piece portions 53, 53 are usually the side wall portions 33, 53 of the seat side rail 31, as shown by an imaginary line (two-dotted line) in FIG.
It spreads outward from the space between 33.
【００１７】各弾性側片部５３の外側面上には、その全
幅に亘って半円径断面に突出した係合突起（係合部）５
４が形成されている。一方、座席側レール３１の両側壁
部３３，３３には、その長手方向に延び軸受部材５０の
係合突起５４に対応した長孔（被係合部）３４，３４が
穿設されている。軸受部材５０の係合突起５４は、座席
側レール３１の長孔３４に押圧係合するものである。On the outer side surface of each elastic side piece portion 53, an engaging projection (engaging portion) 5 protruding in a semicircular cross section over the entire width thereof.
4 are formed. On the other hand, elongated holes (engaged portions) 34, 34 extending in the longitudinal direction and corresponding to the engaging protrusions 54 of the bearing member 50 are formed in the both side wall portions 33, 33 of the seat side rail 31. The engagement protrusion 54 of the bearing member 50 is press-engaged with the elongated hole 34 of the seat-side rail 31.
【００１８】軸受部材５０は、その両弾性側片部５３，
５３が座席側レール３１の両側壁３３，３３に当接弾圧
されながら該レール３１内側に挿入された後、係合突起
５４が長孔３４に係合すると共に各弾性側片部５３が復
元することで、座席レール３１に対し弾発的に取付けら
れている。The bearing member 50 has two elastic side pieces 53,
After 53 is inserted inside the rail 31 while being pressed against both side walls 33, 33 of the seat side rail 31, the engaging projection 54 engages with the elongated hole 34 and each elastic side piece 53 is restored. Therefore, it is elastically attached to the seat rail 31.
【００１９】スクリュー部材４１の前端部４１ａは、取
付ブラケット４５を介して座席側レール３１の前端に固
設されたギアケース４６に挿通している。図３に示すよ
うに、ギアケース４６の内部にはウォーム４７が回転可
能に内装され、またウォーム４７に噛合するウォームホ
イール４８も内装されている。ウォームホイール４８
は、ギアケース４６に挿通したスクリュー部材４１の前
端部４１ａに一体的に回転可能に固結されている。また
ウォーム４７は、図１に示す電動モータ４９の出力軸に
一体的に固結されている。The front end portion 41a of the screw member 41 is inserted through a mounting bracket 45 into a gear case 46 fixed to the front end of the seat side rail 31. As shown in FIG. 3, a worm 47 is rotatably installed inside the gear case 46, and a worm wheel 48 that meshes with the worm 47 is also installed inside. Worm wheel 48
Is integrally and rotatably fixed to the front end portion 41a of the screw member 41 inserted through the gear case 46. The worm 47 is integrally fixed to the output shaft of the electric motor 49 shown in FIG.
【００２０】図１に示すように、スクリュー部材４１に
相対的に回転可能に螺合するナット部材４２は、ナット
４３と該ナット４３を回転不能に収納するナットハウジ
ング４４とから成る。図３に示すように、ナット部材４
２は前後移動不能かつ回転不能に車体側レール２１の底
面部２２に固着されている。As shown in FIG. 1, the nut member 42, which is rotatably engaged with the screw member 41, comprises a nut 43 and a nut housing 44 which accommodates the nut 43 in a non-rotatable manner. As shown in FIG. 3, the nut member 4
2 is fixed to the bottom surface portion 22 of the vehicle body side rail 21 so as not to move back and forth and to rotate.
【００２１】次に作用を説明する。図４に示すように、
座席側レール３１に軸受部材５０を取付ける場合には、
軸受部５１の両側上端にそれぞれ延設された各弾性側片
部５３を軸受部５１の側面部に近接させるように押圧す
る。このように内側に弾性変形させた各弾性側片部５３
を、座席側レール３１の側壁部３３に当接弾圧させなが
ら、軸受部材５０を座席側レール３１内側に挿入する。Next, the operation will be described. As shown in FIG.
When mounting the bearing member 50 on the seat side rail 31,
The elastic side piece portions 53 respectively extended to the upper ends on both sides of the bearing portion 51 are pressed so as to come close to the side surface portion of the bearing portion 51. Each elastic side piece 53 thus elastically deformed inwardly
The bearing member 50 is inserted inside the seat-side rail 31 while being pressed against the side wall portion 33 of the seat-side rail 31 and elastically pressed.
【００２２】側壁部３３に当接弾圧している各弾性側片
部５３の係合突起５４が、側壁３３に形成された長孔３
４に係合すると、係合突起５４の出っ張りの厚み分だけ
一対の弾性側片部５３，５３が両側壁３３，３３間の外
側に拡開する方向に復元する。従って、軸受部材５０
は、他部品を用いることなく各弾性側片部５３の復元力
と、係合突起５４と長孔３４の係合関係だけで、座席側
レール３１に簡易かつ迅速に取付けることができ、コス
トを低減することができる。The engaging projections 54 of the elastic side piece portions 53, which are in elastic contact with the side wall portion 33, have the elongated holes 3 formed in the side wall 33.
When engaged with No. 4, the pair of elastic side pieces 53, 53 are restored in a direction in which the pair of elastic side pieces 53, 53 expand to the outside between the side walls 33, 33 by the thickness of the protrusion of the engaging projection 54. Therefore, the bearing member 50
Can be simply and quickly attached to the seat-side rail 31 without using other parts, only by the restoring force of each elastic side piece portion 53 and the engagement relationship between the engagement protrusion 54 and the elongated hole 34, and the cost can be reduced. It can be reduced.
【００２３】スクリュー部材４１を挿通させる軸受部材
５０の軸受部５１には、その両側の各弾性側片部５３の
弾性変形により座席側レール３１に対して弾発的にある
程度動き得る遊びが生じる。従って、かかる遊びにより
スクリュー部材４１の回転駆動の際の振れは適度に吸収
されて、座席側レール３１に振動が伝わるのを防止で
き、座席側レール３１に支持された座席のガタつきを抑
制することで乗り心地を向上させることができる。The bearing portion 51 of the bearing member 50 into which the screw member 41 is inserted has a play that can elastically move to some extent with respect to the seat side rail 31 due to elastic deformation of the elastic side piece portions 53 on both sides thereof. Therefore, due to such play, the vibration during the rotational driving of the screw member 41 is appropriately absorbed, and it is possible to prevent the vibration from being transmitted to the seat side rail 31, and suppress the rattling of the seat supported by the seat side rail 31. This can improve the riding comfort.
【００２４】電動モータ４９によりスクリュー部材４１
を回転駆動すると、その回転トルクに応じて、スクリュ
ー部材４１に螺合するナット部材４２が相対的に前後移
動する。従って、図３においてスクリュー部材４１が支
持されている座席側レール３１が、車体側レール２１に
対して前後移動し、座席の前後位置を適宜調整すること
ができる。The screw member 41 is driven by the electric motor 49.
When is driven to rotate, the nut member 42 that is screwed into the screw member 41 relatively moves back and forth according to the rotation torque. Therefore, in FIG. 3, the seat side rail 31 on which the screw member 41 is supported moves back and forth with respect to the vehicle body side rail 21, and the front and rear position of the seat can be adjusted appropriately.
【００２５】図５及び図６は本発明の第２実施例を示し
ている。本実施例では、軸受部材６０を図示した形状に
合成樹脂より一体成形したものである。更に詳しく言え
ば軸受部材は、第１実施例と同様にスクリュー部材４１
の後端部４１ｂが回転可能に挿通する挿通孔６２が穿設
され軸受部６１と、該軸受部５１の両側にそれぞれ弾性
変形可能に延設された一対の弾性側片部６３，６３とを
有するが、各弾性側片部６３の形状が第１実施例のそれ
とは異なる。5 and 6 show a second embodiment of the present invention. In this embodiment, the bearing member 60 is integrally formed of synthetic resin into the shape shown. More specifically, the bearing member is the screw member 41 as in the first embodiment.
A bearing portion 61 is formed with an insertion hole 62 through which the rear end portion 41b is rotatably inserted, and a pair of elastic side piece portions 63, 63 extending elastically deformable on both sides of the bearing portion 51, respectively. However, the shape of each elastic side piece 63 is different from that of the first embodiment.
【００２６】すなわち、軸受部６１の両側上端部はそれ
ぞれ側方に向って略水平に延出しており、その途中が一
部細溝状に切り欠かれて、切欠より側方の部分が弾性側
片部６３となっている。弾性側片部６３，６３は、座席
側レール３１Ａの両側壁部３３Ａ，３３Ａ間より外側に
多少拡開している。また、各弾性側片部６３の外側面上
には、その略中央に上下に延びた半円径断面に突出した
係合突起（係合部）６４が形成されている。一方、座席
側レール３１Ａの両側壁３３Ａ，３３Ａには、軸受部材
６０の係合突起６４に対応した長孔（被係合部）３４
Ａ，３４Ａが穿設されている。That is, the upper end portions on both sides of the bearing portion 61 extend substantially horizontally toward the sides, and a part thereof is cut out in the shape of a thin groove, and the portion on the side of the cutout is on the elastic side. It is one piece 63. The elastic side pieces 63, 63 are slightly expanded outwardly between the side wall portions 33A, 33A of the seat side rail 31A. Further, on the outer side surface of each elastic side piece portion 63, an engaging projection (engaging portion) 64 protruding in a vertically extending semicircular cross section is formed at the substantially center thereof. On the other hand, on both side walls 33A, 33A of the seat side rail 31A, elongated holes (engaged portions) 34 corresponding to the engaging protrusions 64 of the bearing member 60 are formed.
A and 34A are provided.
【００２７】軸受部材６０は、図６に示すように、座席
側レール３１Ａの内側に挿入され、係合突起６４が長孔
３４Ａに係合すると共に各弾性側片部６３が復元するこ
とで、座席側レール３１Ａに対し弾発的に取付けられて
いる。本実施例における軸受部材６０はその形状上、第
１実施例の軸受部材５０に比してより少ない樹脂材料で
成形することができ、材料費の更なるコストダウンが可
能となる。なお、本実施例における座席側レール３１Ａ
は、第１実施例の車体側レール２１とほぼ同形状のもの
を上下逆にしたものであり、一方、車体側レール２１Ａ
は、第１実施例の座席側レール３１とほぼ同形状のもの
を上下逆にしたものである。As shown in FIG. 6, the bearing member 60 is inserted inside the seat side rail 31A, the engaging projection 64 engages with the elongated hole 34A, and each elastic side piece 63 restores. It is elastically attached to the seat side rail 31A. The bearing member 60 in this embodiment can be molded with a smaller amount of resin material than the bearing member 50 of the first embodiment due to its shape, and the material cost can be further reduced. Incidentally, the seat side rail 31A in the present embodiment
Is an upside down version of the same shape as the vehicle body side rail 21 of the first embodiment, while the vehicle body side rail 21A
Is the same as the seat-side rail 31 of the first embodiment but turned upside down.
【００２８】図７に示すように、前記第１及び第２実施
例に係る各軸受部材５０，６０の軸受部５１，６１に穿
設されている挿通孔５２，６２は、スクリュー部材４１
の後端部４１ｂの外径にほぼ合致する内径の孔である
が、図８はその変形例を示している。As shown in FIG. 7, the insertion holes 52 and 62 formed in the bearing portions 51 and 61 of the bearing members 50 and 60 according to the first and second embodiments are the screw members 41.
Although the hole has an inner diameter that substantially matches the outer diameter of the rear end portion 41b, FIG. 8 shows a modification thereof.
【００２９】すなわち、図８に示す変形例では、軸受部
材７０の軸受部７１に穿設された挿通孔７２の入口に、
出口方向に向って漸次細径となる挟抱片７２ａが形成さ
れている。かかる挟抱片７２ａの中心孔に、スクリュー
部材４１の後端部４１ｂを嵌入させることにより、後端
部４１ｂは軸受部７１に対しても弾性変形し得る挟抱片
７２ａにより弾発的に支持される。それにより、スクリ
ュー部材４１の後端部４１ｂに大きな遊びが生じるか
ら、スクリュー部材４１の回転駆動の際の振れは充分に
吸収されて、座席のガタつきをより確実に防止すること
ができる。That is, in the modification shown in FIG. 8, at the inlet of the insertion hole 72 formed in the bearing portion 71 of the bearing member 70,
A sandwiching piece 72a is formed which gradually decreases in diameter toward the outlet. By inserting the rear end portion 41b of the screw member 41 into the center hole of the sandwiching piece 72a, the rear end portion 41b is elastically supported by the sandwiching piece 72a which can also be elastically deformed with respect to the bearing portion 71. To be done. As a result, a large amount of play is generated in the rear end portion 41b of the screw member 41, so that the vibration generated when the screw member 41 is rotationally driven is sufficiently absorbed, and the rattling of the seat can be more reliably prevented.
【００３０】なお、前記各種実施例における軸受部材は
座席側レールに取付けられ、該軸受部材により支持され
るスクリュー部材も同様に座席側レールに支持される一
方、ナット部材は車体側レールに支持されているが、図
示した実施例に限定されるものではなく、逆の態様とし
て、軸受部材及びスクリュー部材が車体側レールに支持
される一方、ナット部材が座席側レールに支持される構
成であってもよい。The bearing member in each of the above-described embodiments is mounted on the seat side rail, and the screw member supported by the bearing member is also supported on the seat side rail, while the nut member is supported on the vehicle body side rail. However, the present invention is not limited to the illustrated embodiment, and as a reverse aspect, the bearing member and the screw member are supported by the vehicle body side rail, while the nut member is supported by the seat side rail. Good.
【００３１】また、前記各種実施例及び変形例に係る軸
受部材は、それぞれ合成樹脂により一体成形されたもの
であるが、材質はこれに限定されるものではなく、例え
ば、軸受部材の軸受部だけ金属製にして、その両側の各
弾性側片部のみ合成樹脂製としてもよく、また、各弾性
側片部が弾性変形可能な形状であれば、軸受部と各弾性
側片部とを金属により一体成形しても良い。The bearing members according to the various embodiments and modifications are integrally molded of synthetic resin, but the material is not limited to this. For example, only the bearing portion of the bearing member is used. It may be made of metal, and only the elastic side pieces on both sides thereof may be made of synthetic resin. If the elastic side pieces are elastically deformable, the bearing portion and the elastic side pieces are made of metal. It may be integrally molded.
【００３２】その場合、一般的には合成樹脂よりも金属
の方が剛性があり、軸受部材の耐久性を向上させること
ができる。更に、軸受部材の形状は図示した実施例に限
定されるものではなく、要は挿通孔が穿設された軸受部
と、該軸受部の両側にそれぞれ弾性変形可能に延設され
た各弾性側片部とを有するものであれば他の様々な形状
であってもよい。In that case, metal is generally more rigid than synthetic resin, and the durability of the bearing member can be improved. Further, the shape of the bearing member is not limited to the embodiment shown in the figure. In short, the bearing portion is provided with an insertion hole, and the elastic sides extending elastically deformable on both sides of the bearing portion. It may have various other shapes as long as it has one piece.
【００３３】また、前記各種実施例においては、軸受部
材の各弾性側片部に係合部を突起として形成する一方、
座席側レールの両側壁に被係合部を孔として形成した
が、逆の態様として、軸受部材の係合部を孔として形成
する一方、座席側レールの被係合部を突起として形成し
てもよい。Further, in the above-mentioned various embodiments, while the engaging portion is formed as a protrusion on each elastic side piece of the bearing member,
Although the engaged portions are formed as holes on both side walls of the seat-side rail, in the opposite manner, the engaging portions of the bearing member are formed as holes while the engaged portions of the seat-side rail are formed as protrusions. Good.
【００３４】そして、スクリュー部材の末端が弾撥的に
支持されて変位可能であることで、スクリュー部材とそ
れを支持している部材とが適正な位置関係を保持し、摩
擦抵抗が大きくならない。Since the end of the screw member is elastically supported and can be displaced, the screw member and the member supporting the screw member maintain a proper positional relationship, and the frictional resistance does not increase.
【００３５】[0035]
【発明の効果】本発明に係るシートスライド装置によれ
ば、スクリュー部材を一方のレールに支持する軸受部材
は、その軸受部の両側の各弾性側片部側の係合部が、一
方のレール側の被係合部に係合すると共に各弾性側片部
が復元することで、一方のレールに対し弾発的に取付け
られたから、部品点数が少なくて済み、簡易かつ迅速に
軸受部材をレールに取付けることが可能であり、組み付
け作業性が向上してコストを低減することができる。ま
た、スクリュー部材の軸心が適度に動き得る遊びが生
じ、軸受部材がスクリュー部材の振れを適度に吸収する
ことが可能であり、座席の振動を抑制して乗り心地を向
上させることができる。According to the seat slide device of the present invention, in the bearing member for supporting the screw member on one rail, the engaging portion on each elastic side piece portion on both sides of the bearing portion is provided on one rail. The elastic side piece is restored by engaging with the engaged part on one side and elastically attached to one rail, so the number of parts is small and the bearing member can be easily and quickly mounted on the rail. It is possible to attach to, and the assembling workability is improved, and the cost can be reduced. Further, there is a play in which the shaft center of the screw member can move appropriately, and the bearing member can absorb the vibration of the screw member appropriately, so that the vibration of the seat can be suppressed and the riding comfort can be improved.
【図１】本発明の第１実施例に係るシートスライド装置
を分解して示す斜視図である。FIG. 1 is an exploded perspective view of a seat slide device according to a first embodiment of the present invention.
【図２】本発明の第１実施例に係るシートスライド装置
の要部を拡大して示す斜視図である。FIG. 2 is a perspective view showing an enlarged main part of the seat slide device according to the first embodiment of the present invention.
【図３】本発明の第１実施例に係るシートスライド装置
を長手方向と平行に切断して示す縦断面図である。FIG. 3 is a vertical cross-sectional view showing the seat slide device according to the first embodiment of the present invention cut in parallel with the longitudinal direction.
【図４】本発明の第１実施例に係るシートスライド装置
を構成する軸受部材を座席側レールに取付ける状態を示
す作用説明面図である。FIG. 4 is an operation explanatory view showing a state in which the bearing member constituting the seat slide device according to the first embodiment of the present invention is attached to the seat side rail.
【図５】本発明の第２実施例に係るシートスライド装置
を構成する軸受部材を拡大して示す斜視図である。FIG. 5 is an enlarged perspective view showing a bearing member constituting a seat slide device according to a second embodiment of the invention.
【図６】本発明の第２実施例に係るシートスライド装置
の端部を示す正面図である。FIG. 6 is a front view showing an end portion of a seat slide device according to a second embodiment of the invention.
【図７】本発明の第１及び第２実施例に係るシートスラ
イド装置を構成する軸受部材を示す断面図である。FIG. 7 is a cross-sectional view showing a bearing member that constitutes a seat slide device according to first and second embodiments of the present invention.
【図８】本発明の第１及び第２実施例に係るシートスラ
イド装置を構成する軸受部材の変形例を示す断面図であ
る。FIG. 8 is a cross-sectional view showing a modified example of the bearing member that constitutes the seat slide device according to the first and second embodiments of the present invention.
【図９】従来のシートスライド装置の要部を示す斜視図
ある。FIG. 9 is a perspective view showing a main part of a conventional seat slide device.
１０…シートスライド装置 ２１，２１Ａ…車体側レール ３１，３１Ａ…座席側レール ３４，３４Ａ…長孔（被係合部） ４１…スクリュー部材 ４２…ナット部材 ５０，６０，７０…軸受部材 ５１，６１，７１…軸受部 ５２，６２，７２…挿通孔 ５３，６３…弾性側片部 ５４，６４…係合突起（係合部） 10 ... Seat slide device 21, 21A ... Vehicle side rail 31, 31A ... Seat side rail 34, 34A ... Long hole (engaged part) 41 ... Screw member 42 ... Nut member 50, 60, 70 ... Bearing member 51, 61 , 71 ... Bearing portion 52, 62, 72 ... Insertion hole 53, 63 ... Elastic side piece portion 54, 64 ... Engaging projection (engaging portion)
Claims (1)
と、該車体側レールに対し長手方向に移動可能に嵌合し
て座席を支持する座席側レールとを有し、前記両レール
の一方に、回転駆動されるスクリュー部材を軸受部材を
介して支持し、両レールの他方に、前記スクリュー部材
に相対的に回転可能に螺合するナット部材を固定してな
るシートスライド装置において、 前記軸受部材は、スクリュー部材の一端部が回転可能に
挿通する挿通孔が穿設された軸受部と、該軸受部の両側
にそれぞれ弾性変形可能に延設され、前記一方のレール
の両側壁間より外側に拡開し得る弾性側片部と、各弾性
側片部にそれぞれ形成され、前記一方のレールの両側壁
に形成された被係合部に押圧係合する係合部とを有し、 前記軸受部材は、その両弾性側片部が前記一方のレール
の両側壁に当接弾圧されながら該レール内側に挿入され
た後、前記係合部が被係合部に係合すると共に各弾性側
片部が復元することで、前記一方のレールに対し弾発的
に取付けられたことを特徴とするシートスライド装置。1. A vehicle body side rail fixed to a vehicle body floor side, and a seat side rail that is movably fitted to the vehicle body side rail in a longitudinal direction to support a seat. On one side, a seat slide device comprising a screw member that is rotationally driven is supported via a bearing member, and a nut member that is rotatably engaged with the screw member is fixed to the other of both rails. The bearing member includes a bearing portion having an insertion hole through which one end of the screw member is rotatably inserted, and elastically deformably extending on both sides of the bearing portion, respectively, between both side walls of the one rail. An elastic side piece that can be expanded outward, and an engaging portion that is formed on each elastic side piece and that press-engages with an engaged portion formed on both side walls of the one rail, The bearing member has both elastic side pieces After being inserted into the inside of the rail while being pressed against both side walls of one rail, the engaging portion engages with the engaged portion and each elastic side piece restores, so that the one rail A seat slide device that is elastically attached to the.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2786594A JPH07232578A (en) | 1994-02-25 | 1994-02-25 | Seat slide device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2786594A JPH07232578A (en) | 1994-02-25 | 1994-02-25 | Seat slide device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH07232578A true JPH07232578A (en) | 1995-09-05 |
Family
ID=12232802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2786594A Pending JPH07232578A (en) | 1994-02-25 | 1994-02-25 | Seat slide device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07232578A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100363199C (en) * | 2003-11-19 | 2008-01-23 | 宁波双林汽车部件股份有限公司 | Isolation mounting used for horizontal driver of electric chair |
| WO2012008663A1 (en) * | 2010-07-14 | 2012-01-19 | Km&I. Co., Ltd. | Combination structure of lead screw for motor-operated seat track and assembly method therefor |
| KR101108628B1 (en) * | 2009-08-10 | 2012-01-31 | 주식회사다스 | Supporting structure of lead screw of automatic seat movement apparatus for car |
| JP2016049802A (en) * | 2014-08-28 | 2016-04-11 | トヨタ紡織株式会社 | Slide rail of vehicle seat |
| JP2018030475A (en) * | 2016-08-25 | 2018-03-01 | 株式会社今仙電機製作所 | Seat slide device |
| JP2018034791A (en) * | 2017-09-20 | 2018-03-08 | 株式会社東海理化電機製作所 | Moving device |
| US10688957B2 (en) | 2016-08-29 | 2020-06-23 | Kabushiki Kaisha Tokai-Rika-Denki-Seisakusho | Seatbelt moving device |
-
1994
- 1994-02-25 JP JP2786594A patent/JPH07232578A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100363199C (en) * | 2003-11-19 | 2008-01-23 | 宁波双林汽车部件股份有限公司 | Isolation mounting used for horizontal driver of electric chair |
| KR101108628B1 (en) * | 2009-08-10 | 2012-01-31 | 주식회사다스 | Supporting structure of lead screw of automatic seat movement apparatus for car |
| WO2012008663A1 (en) * | 2010-07-14 | 2012-01-19 | Km&I. Co., Ltd. | Combination structure of lead screw for motor-operated seat track and assembly method therefor |
| JP2016049802A (en) * | 2014-08-28 | 2016-04-11 | トヨタ紡織株式会社 | Slide rail of vehicle seat |
| US9499073B2 (en) | 2014-08-28 | 2016-11-22 | Toyota Boshoku Kabushiki Kaisha | Slide rail of vehicle seat |
| JP2018030475A (en) * | 2016-08-25 | 2018-03-01 | 株式会社今仙電機製作所 | Seat slide device |
| US10688957B2 (en) | 2016-08-29 | 2020-06-23 | Kabushiki Kaisha Tokai-Rika-Denki-Seisakusho | Seatbelt moving device |
| JP2018034791A (en) * | 2017-09-20 | 2018-03-08 | 株式会社東海理化電機製作所 | Moving device |
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