JPH07351Y2 - Rotating seat device for vehicle - Google Patents
Rotating seat device for vehicleInfo
- Publication number
- JPH07351Y2 JPH07351Y2 JP8914590U JP8914590U JPH07351Y2 JP H07351 Y2 JPH07351 Y2 JP H07351Y2 JP 8914590 U JP8914590 U JP 8914590U JP 8914590 U JP8914590 U JP 8914590U JP H07351 Y2 JPH07351 Y2 JP H07351Y2
- Authority
- JP
- Japan
- Prior art keywords
- support shaft
- seat
- upper plate
- vehicle
- ball
- 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.)
- Expired - Lifetime
Links
Landscapes
- Seats For Vehicles (AREA)
Description
【考案の詳細な説明】 《産業上の利用分野》 本考案は自動車等の車両に設けられる車両用回転シート
装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION << Industrial Application Field >> The present invention relates to a vehicle rotary seat device provided in a vehicle such as an automobile.
《従来の技術》 従来のこの種の車両用回転シート装置において、その回
転機構は、第４図に示すように車体フロア側に固定され
た下部プレートａを備えており、この下部プレートａの
上面中央には支軸ｂが突設してある。この支軸ｂは円柱
体である。また、下部プレートａの上面部には周方向に
所定の間隔を置いて複数個のボール収容凹部ｄが形成し
てあり、また、シートクッションの下部に取り付けられ
た上部プレートｅの中央部には、円孔ｆが形成してあ
る。そして、ボール収容凹部ｄ内にボールｇを設け、支
軸ｂを上部プレートｅの円孔ｆを挿入して上部プレート
ｅをボールｇ上に乗せ、支軸ｂの上端部にホルダーｈを
ボルトｉで固定して構成されている。<< Prior Art >> In the conventional rotary seat device for a vehicle of this type, the rotating mechanism includes a lower plate a fixed to the vehicle body floor side as shown in FIG. 4, and the upper surface of the lower plate a. A support shaft b is provided at the center. The support shaft b is a columnar body. Further, a plurality of ball accommodating recesses d are formed at predetermined intervals in the circumferential direction on the upper surface of the lower plate a, and the central portion of the upper plate e attached to the lower portion of the seat cushion is formed. , A circular hole f is formed. Then, a ball g is provided in the ball accommodating recess d, the spindle b is inserted into the circular hole f of the upper plate e, the upper plate e is placed on the ball g, and the holder h is attached to the upper end of the spindle b by the bolt i. It is configured by fixing.
《考案が解決しようとする課題》 しかしながら、従来例にあっては、シートクッションの
回転中心である支軸ｂが円柱体からなり、上部プレート
ｅに設けた円孔ｆが前記支軸ｂに摺接する孔であるため
に、上部プレートｅを支軸ｂに組み付けた場合、支軸ｂ
の周面が上部プレートｅの円孔ｆの周縁部に摺接して、
中心出しが行われる。このために、支軸ｂと円孔ｆの周
縁部との接触は面接触になって、その摩擦抵抗が大きく
なり回転抵抗及びガタツキが大きくなるという問題点が
あった。<< Problems to be Solved by the Invention >> However, in the conventional example, the support shaft b, which is the center of rotation of the seat cushion, is formed of a cylindrical body, and the circular hole f provided in the upper plate e slides on the support shaft b. Since the holes are in contact with each other, when the upper plate e is assembled to the support shaft b, the support shaft b
The peripheral surface of the sliding contact with the peripheral edge of the circular hole f of the upper plate e,
Centering is performed. For this reason, there is a problem in that the support shaft b and the peripheral portion of the circular hole f are in surface contact with each other, which increases frictional resistance and rotational resistance and rattling.
本考案は、上記の問題点に着目して成されたものであっ
て、その目的とするところは、支軸と孔の周縁部との接
触は点接触になって、従来の面接触に比べてその摩擦抵
抗が小さくなり回転抵抗及びガタツキを低減させること
ができる車両用回転シート装置を提供することにある。The present invention was made in view of the above problems, and its purpose is to make point contact between the support shaft and the peripheral edge of the hole, which is a point contact compared to conventional surface contact. It is an object of the present invention to provide a rotary seat device for a vehicle, in which the frictional resistance is reduced and the rotational resistance and rattling can be reduced.
《課題を解決するための手段》 上記の目的を達成するために本考案は、車体に回転機構
を介して座席用シートを設け、この座席用シートを所定
の回転位置に固定可能にした車両用回転シート装置にお
いて、回転機構を、車体フロア側に固定された下部プレ
ート上面中央に平面正多角形の柱体からなる支軸を突設
し、下部プレートの上面部に周方向に所定の間隔を置い
て複数個のボール収容凹部を形成し、シートクッション
の下部に取り付けられた上部プレートの中央部に、前記
支軸の外接円に等しい孔を形成し、ボール収容凹部内に
ボールを設け、支軸を上部プレートの孔を挿入して上部
プレートをボール上に乗せて構成したことを特徴とす
る。<Means for Solving the Problems> In order to achieve the above object, the present invention provides a seat for a vehicle through a rotation mechanism in a vehicle body, and the seat for seats can be fixed at a predetermined rotation position. In the rotating seat device, the rotating mechanism is configured such that a support shaft made of a flat regular polygonal column is projectingly provided at the center of the upper surface of the lower plate fixed to the vehicle body floor side, and a predetermined interval is circumferentially provided on the upper surface of the lower plate. A plurality of ball receiving recesses are formed, a hole equal to the circumscribed circle of the support shaft is formed at the center of the upper plate attached to the lower portion of the seat cushion, and balls are provided in the ball receiving recesses. The shaft is configured by inserting the hole of the upper plate and placing the upper plate on the ball.
《作用》 かかる構成により、シートクッションの回転中心である
支軸が平面正多角形の柱体からなり、上部プレートに設
けた孔が前記支軸の外接円に等しい孔であるために、上
部プレートを支軸に組み付けた場合、支軸の複数の角部
が上部プレートの孔の周縁部に摺接して、中心出しが行
われる。このために、支軸と孔の周縁部との接触は点接
触になって、従来の面接触に比べてその摩擦抵抗が小さ
くなり回転抵抗及びガタツキを低減させることができ
る。<< Operation >> With this configuration, the support shaft, which is the center of rotation of the seat cushion, is a flat regular polygonal column, and the hole provided in the upper plate is a hole equal to the circumscribed circle of the support shaft. When the is attached to the support shaft, a plurality of corners of the support shaft are slidably contacted with the peripheral portions of the holes of the upper plate to perform centering. For this reason, the contact between the support shaft and the peripheral portion of the hole is point contact, and the frictional resistance thereof is smaller than that of the conventional surface contact, so that the rotational resistance and rattling can be reduced.
《実施例》 以下、本考案を図面に基づいて説明する。<< Example >> Hereinafter, this invention is demonstrated based on drawing.
第１図は本考案に係わる車両用回転シート装置の斜視
図、第２図は回転機構の平面図、第３図は第２図Ａ−Ａ
線に沿う断面図である。FIG. 1 is a perspective view of a vehicle rotary seat device according to the present invention, FIG. 2 is a plan view of a rotating mechanism, and FIG. 3 is FIG. 2A-A.
It is sectional drawing which follows the line.
第１図において、１は自動車等の車両の座席シートであ
って、シートクッション２とシートバック３とヘッドレ
スト４とからなり、シートクッション２が回転機構５を
介して車体フロアの回転可能に支承されている。In FIG. 1, reference numeral 1 denotes a seat seat of a vehicle such as an automobile, which includes a seat cushion 2, a seat back 3, and a headrest 4, and the seat cushion 2 is rotatably supported on a vehicle body floor via a rotating mechanism 5. ing.
この回転機構５は、車体フロア側に固定された下部プレ
ート７を備えており、この下部プレート７の上面中央に
は支軸８が突設してある。この支軸８は平面正三角形の
柱体である。また、下部プレート７の上面部には周方向
に所定の間隔を置いて複数個のボール収容凹部９が形成
してあり、また、下部プレート７の上面部にはロックピ
ン用孔10が形成してある。The rotating mechanism 5 includes a lower plate 7 fixed to the vehicle body floor side, and a support shaft 8 is provided at the center of the upper surface of the lower plate 7 so as to project. The support shaft 8 is a columnar body having a regular equilateral triangle. Further, a plurality of ball accommodating recesses 9 are formed on the upper surface of the lower plate 7 at predetermined intervals in the circumferential direction, and a lock pin hole 10 is formed on the upper surface of the lower plate 7. There is.
11はシートクッション２の下部に取り付けられた上部プ
レートであり、この上部プレート11の中央部には、前記
支軸８の外接円に等しい孔12が形成してある。上部プレ
ート11の面部には周方向に所定の間隔を置いて複数個の
ロックピン用孔13が形成してある。Reference numeral 11 denotes an upper plate attached to the lower portion of the seat cushion 2, and a hole 12 equal to the circumscribed circle of the support shaft 8 is formed in the central portion of the upper plate 11. A plurality of lock pin holes 13 are formed on the surface of the upper plate 11 at predetermined intervals in the circumferential direction.
そして、ボール収容凹部９内にボール14を設け、支軸８
を上部プレート11の孔12を挿入して上部プレート11をボ
ール14上に乗せ、支軸８の上端部に前記孔12より大径の
ホルダー15をボルト16で固定して回転機構５が座席用シ
ート１に組込まれている。この場合、支軸８の３つの角
部8aは上部プレート11の孔12の周縁部12aに摺接してい
る。そして、例えば、座席用シート１が正面を向いてい
る位置ではロックピン用孔10に上部プレート11のロック
ピン用孔13の１つが一致するので、これらのロックピン
用孔13、10にロックピン17を挿入して座席用シート１が
正面を向いている位置に固定してある。Then, the ball 14 is provided in the ball accommodating recess 9 and the supporting shaft 8
The hole 12 of the upper plate 11 is inserted, the upper plate 11 is placed on the ball 14, and the holder 15 having a diameter larger than the hole 12 is fixed to the upper end of the support shaft 8 with the bolt 16. Built into seat 1. In this case, the three corners 8a of the support shaft 8 are in sliding contact with the peripheral edge 12a of the hole 12 of the upper plate 11. Then, for example, at the position where the seat 1 for seats faces the front side, one of the lock pin holes 13 of the upper plate 11 coincides with the lock pin hole 10, so that the lock pin holes 13 and 10 are locked. 17 is inserted and fixed to the position where the seat 1 for seats faces the front.
したがって、座席用シート１を第１図に仮想線に示すよ
うに後面に向ける場合には、ロックピン17をロックピン
用孔10、13から抜け出して上下部プレート11、７の結合
を解除し、上部プレート11をボール14上を滑らせて回転
し座席用シート１が後面に向いたら互いに一致したロッ
クピン用孔10、13にロックピン17を挿入して座席用シー
ト１を固定する。Therefore, when the seat 1 for seats is directed to the rear surface as shown by the phantom line in FIG. 1, the lock pin 17 is pulled out from the lock pin holes 10 and 13 to release the coupling between the upper and lower plates 11 and 7. When the upper plate 11 is rotated by sliding on the ball 14 and the seat 1 for seat faces the rear surface, the lock pin 17 is inserted into the lock pin holes 10 and 13 which are aligned with each other to fix the seat 1.
本実施例においては、シートクッション２の回転中心で
ある支軸８が平面正多角形の柱体からなり、上部プレー
ト11に設けた孔12が前記支軸８の外接円に等しい円孔で
あるために、上部プレート11を支軸８に組み付けた場
合、支軸８の複数の角部8aが上部プレート11の孔12の周
縁部12aに摺接して、中心出しが行われる。In this embodiment, the support shaft 8 which is the center of rotation of the seat cushion 2 is a flat regular polygonal column, and the hole 12 provided in the upper plate 11 is a circular hole which is equal to the circumscribed circle of the support shaft 8. Therefore, when the upper plate 11 is assembled to the support shaft 8, a plurality of corner portions 8a of the support shaft 8 are slidably contacted with the peripheral edge portions 12a of the holes 12 of the upper plate 11 to perform centering.
《考案の効果》 以上説明したように、本考案は、回転機構を、車体フロ
ア側に固定された下部プレート上面中央に平面正多角形
の柱体からなる支軸を突設し、下部プレートの上面部に
周方向に所定の間隔を置いて複数個のボール収容凹部を
形成し、シートクッションの下部に取り付けられた上部
プレートの中央部に、前記支軸の外接円に等しい孔を形
成し、ボール収容凹部内にボールを設け、支軸を上部プ
レートの孔を挿入して上部プレートをボール上に乗せて
構成したから、シートクッションの回転中心である支軸
が平面正多角形の柱体からなり、上部プレートに設けた
孔が前記支軸の外接円に等しい孔であるために、上部プ
レートを支軸に組み付けた場合、支軸の複数の角部が上
部プレートの孔の周縁部に摺接して、中心出しが行われ
る。このために、支軸と孔の周縁部との接触は点接触に
なって、従来の面接触に比べてその摩擦抵抗が小さくな
り回転抵抗及びガタツキを低減させることができる。<Effects of the Invention> As described above, according to the present invention, the rotating mechanism is provided with the support shaft, which is formed of a flat regular polygonal column, protruding from the center of the upper surface of the lower plate fixed to the vehicle body floor side. A plurality of ball accommodating recesses are formed at predetermined intervals in the upper surface portion in the circumferential direction, and a hole equal to the circumscribing circle of the support shaft is formed in the central portion of the upper plate attached to the lower portion of the seat cushion. Since the ball is provided in the ball accommodating recess and the support shaft is inserted into the hole of the upper plate and the upper plate is placed on the ball, the support shaft, which is the center of rotation of the seat cushion, is formed from a flat regular polygonal column. Since the hole provided in the upper plate is the same as the circumscribed circle of the support shaft, when the upper plate is assembled to the support shaft, the corners of the support shaft are slid on the peripheral edge of the hole of the upper plate. Contact and centering is performed . For this reason, the contact between the support shaft and the peripheral portion of the hole is point contact, and the frictional resistance thereof is smaller than that of the conventional surface contact, so that the rotational resistance and rattling can be reduced.
【図面の簡単な説明】 第１図は本考案に係わる車両用回転シート装置の斜視
図、第２図は回転機構の平面図、第３図は第２図Ａ−Ａ
線に沿う断面図、第４図は従来の車両用回転シート装置
における回転機構の縦断面図である。 ５……回転機構、７……下部プレート、８……支軸、９
……ボール収容凹部、11……上部プレート、12……孔、
14……ボール。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a vehicle rotary seat device according to the present invention, FIG. 2 is a plan view of a rotating mechanism, and FIG. 3 is FIG. 2A-A.
FIG. 4 is a cross-sectional view taken along the line, and FIG. 4 is a vertical cross-sectional view of a rotating mechanism in a conventional vehicle rotary seat device. 5 ... Rotation mechanism, 7 ... Lower plate, 8 ... Spindle, 9
...... Ball receiving recess, 11 ...... Upper plate, 12 ...... Hole,
14 …… Ball.
Claims (1)
け、この座席用シートを所定の回転位置に固定可能にし
た車両用回転シート装置において、回転機構を、車体フ
ロア側に固定された下部プレート上面中央に平面正多角
形の柱体からなる支軸を突設し、下部プレートの上面部
に周方向に所定の間隔を置いて複数個のボール収容凹部
を形成し、シートクッションの下部に取り付けられた上
部プレートの中央部に、前記支軸の外接円に等しい孔を
形成し、ボール収容凹部内にボールを設け、支軸を上部
プレートの孔を挿入して上部プレートをボール上に乗せ
て構成したことを特徴とする車両用回転シート装置。1. A rotating seat device for a vehicle, wherein a seat for a seat is provided on a vehicle body via a rotating mechanism, and the seat for seat can be fixed at a predetermined rotating position. The rotating mechanism is fixed on the floor side of the vehicle body. A support shaft consisting of a regular regular polygonal column is projected in the center of the upper surface of the lower plate, and a plurality of ball accommodating recesses are formed at predetermined intervals in the circumferential direction on the upper surface of the lower plate to form a lower portion of the seat cushion. A hole equal to the circumscribing circle of the support shaft is formed in the center of the upper plate attached to, the ball is provided in the ball accommodating recess, and the support shaft is inserted into the hole of the upper plate to place the upper plate on the ball. A rotating seat device for a vehicle, which is configured to be mounted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8914590U JPH07351Y2 (en) | 1990-08-28 | 1990-08-28 | Rotating seat device for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8914590U JPH07351Y2 (en) | 1990-08-28 | 1990-08-28 | Rotating seat device for vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0446931U JPH0446931U (en) | 1992-04-21 |
| JPH07351Y2 true JPH07351Y2 (en) | 1995-01-11 |
Family
ID=31822923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8914590U Expired - Lifetime JPH07351Y2 (en) | 1990-08-28 | 1990-08-28 | Rotating seat device for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07351Y2 (en) |
-
1990
- 1990-08-28 JP JP8914590U patent/JPH07351Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0446931U (en) | 1992-04-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0812722B1 (en) | Rotating device of automotive seat | |
| JPH071905A (en) | Duplex axle inclination rotating shaft caster with integrally formed cage and bearing assembly | |
| JPS58139159U (en) | webbing retractor | |
| JPH07351Y2 (en) | Rotating seat device for vehicle | |
| JPH0612965Y2 (en) | Caster with stopper | |
| CA1038276A (en) | Turntable assembly for supporting a revolving chair | |
| JPS6030096Y2 (en) | Rotating sheet rotating device | |
| JPH074984Y2 (en) | Automotive seat structure | |
| JPH0315967U (en) | ||
| JPH02149324U (en) | ||
| JP3170719B2 (en) | Electric vehicle rotating seat | |
| JPS6224578Y2 (en) | ||
| JPH0523103Y2 (en) | ||
| JP3003029U (en) | Vehicle table device | |
| JPH0738984Y2 (en) | Handle lock device | |
| JPH0641911Y2 (en) | Spare tire support device | |
| CN116279016A (en) | Automobile seat rotating mechanism | |
| JPH0259032U (en) | ||
| JPH0752756Y2 (en) | Rear mirror stay holding structure | |
| JPH074981Y2 (en) | Rotating seat structure | |
| JPS6158127U (en) | ||
| JPS5822011A (en) | Lock cooperating mechanism of rotary seat | |
| JPH055071Y2 (en) | ||
| JPS6240949U (en) | ||
| JP2002219973A (en) | Supporting mechanism for rotary seat of vehicle |