JPH04137925U - Fore/aft switching mechanism of vehicle convertible chair - Google Patents
Fore/aft switching mechanism of vehicle convertible chairInfo
- Publication number
- JPH04137925U JPH04137925U JP5447991U JP5447991U JPH04137925U JP H04137925 U JPH04137925 U JP H04137925U JP 5447991 U JP5447991 U JP 5447991U JP 5447991 U JP5447991 U JP 5447991U JP H04137925 U JPH04137925 U JP H04137925U
- Authority
- JP
- Japan
- Prior art keywords
- chair
- backrest
- sliding
- bearing
- guide
- 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
- 230000007246 mechanism Effects 0.000 title claims description 27
- 230000035939 shock Effects 0.000 abstract description 3
- 230000001360 synchronised effect Effects 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
Landscapes
- Seats For Vehicles (AREA)
Abstract
(57)【要約】
【目的】 転換操作力を小さくすると共に操作終了時の
衝撃がなく、椅子下に充分なスペースを確保する。
【構成】 背ずり9の立設位置を変えて椅子の向きを反
転する車両用転換椅子において、台枠3の両側に摺動レ
ール5,5とガイド長孔7を穿設したガイド板6を固設
する。背ずり9の下端に突設した支持ブラケット13,
13に前記摺動レール5上を転動するベアリング10を
軸設した一対の摺動軸11,11を、上記ガイド長孔7
に貫挿する。ベアリング10が摺動レール5から外れる
位置に対応して、ガイド長孔7の両端に摺動軸11が係
合する係止端14,14を形成する。上記摺動レール5
と平行に架設したラック4,4に、両支持ブラケット1
3,13間に架設軸設した回動連結軸18に軸着してな
るピニオンギヤ15,15を噛合して同期するように構
成したものである。
(57) [Summary] [Purpose] To reduce the switching operation force, eliminate shock at the end of the operation, and secure sufficient space under the chair. [Structure] A convertible chair for a vehicle in which the orientation of the chair is reversed by changing the standing position of the backrest 9, has a guide plate 6 with sliding rails 5, 5 and guide slots 7 bored on both sides of the underframe 3. To be fixed. A support bracket 13 protruding from the lower end of the backrest 9,
A pair of sliding shafts 11, 11 each having a bearing 10 that rolls on the sliding rail 5 is installed in the guide elongated hole 7.
penetrate into. Locking ends 14, 14 with which the sliding shaft 11 engages are formed at both ends of the guide elongated hole 7, corresponding to the position where the bearing 10 is removed from the sliding rail 5. The above sliding rail 5
Both support brackets 1 are attached to the racks 4, 4 installed parallel to the
Pinion gears 15, 15, which are rotatably attached to a rotary connecting shaft 18 installed between 3 and 13, are meshed and synchronized.
Description
【0001】0001
本考案は、座ぶとんに対して背ずりを前後に変位して椅子の向きを変更する車 両用転換椅子の前後転換機構に関するものである。 This invention is a car that changes the direction of the chair by displacing the backrest back and forth with respect to the seat cushion. This invention relates to a forward and backward switching mechanism for a dual-use convertible chair.
【0002】0002
従来より車両の椅子において座ぶとんの向きを変えることなく向きを転換する ことができる椅子として、図6に示すように、平行リンク機構を使用したものが 実施されている。即ち、この種の椅子における前後転換機構50は、座ぶとん5 1の端部上面に立設する背ずり52の下端部を、台枠53に対して平行リンク5 4を介して枢着支承した構造になっており、該平行リンク54の台枠53側枢着 部を揺動中心として背ずり52側枢着部を円弧状に変位(矢印A)せしめ、座ぶ とん51の一端と他端に背ずり52を移動して椅子の向きを変更している。 Conventionally, it is possible to change the direction of a vehicle chair without changing the direction of the seat cushion. A chair that uses a parallel link mechanism, as shown in Figure 6, is a chair that can It has been implemented. That is, the back and forth switching mechanism 50 in this type of chair is The lower end of the backrest 52 erected on the upper surface of the end of 1 is connected to the link 5 parallel to the underframe 53. 4, and the parallel link 54 is pivotally supported on the underframe 53 side. Displace the backrest 52 side pivot part in an arc shape (arrow A) with the pivot point at the pivot center, and sit down. The direction of the chair is changed by moving the backrest 52 to one end and the other end of the tongue 51.
【0003】0003
しかし、上記従来の前後転換機構50では、椅子の向きを変更動作する際に背 ずり52の頂部に固設した把手55を持って矢印Aの移動軌跡と平行になるよう に移動させるものであるため、変更動作の初期には斜め上方(矢印B)に引き上 げ作動しなければならず、大きい操作力が必要となるばかりでなく、該背ずり5 2が移動軌跡の中央を乗り越えると、自重によって反対位置まで落下移動するよ うになり、変位終点で相当に大きな部材相互の衝突を生じ、構成部材の損傷を招 くばかりでなく使用感が好ましくないものであった。また上記従来の前後転換機 構50は、左右の機構が等角度で変位作動するように両側の平行リンク54,5 4を一本の連結軸で回動連結しているために、座ぶとん51下にヒータ等の設置 スペースがなくなり、これを確保しようとすると該連結軸の構造が複雑化すると いう問題を有していた。 However, in the conventional front-back switching mechanism 50 described above, when changing the direction of the chair, Hold the handle 55 fixed on the top of the shear 52 so that it is parallel to the movement trajectory of arrow A. At the beginning of the change operation, it is pulled diagonally upward (arrow B). Not only does this require a large operating force, but also the backrest 5 When 2 crosses the center of the movement trajectory, it will fall and move to the opposite position due to its own weight. This causes a fairly large collision between the parts at the end of the displacement, resulting in damage to the components. Not only was it hard to feel, but the feeling of use was also unfavorable. In addition, the conventional front/back converter mentioned above The mechanism 50 includes parallel links 54 and 5 on both sides so that the left and right mechanisms are displaced at equal angles. 4 are rotatably connected by a single connecting shaft, it is not possible to install a heater etc. under the seat cushion 51. If you run out of space and try to secure it, the structure of the connecting shaft will become complicated. I had this problem.
【0004】 本考案は、上記問題に鑑みて創案されたものであり、転換操作力を小さくする と共に、操作終了時の衝撃がなく、椅子下にヒータ等の充分な設置有効スペース を確保することができる車両用転換椅子の前後転換機構を提供することを目的と するものである。0004 This invention was devised in view of the above problem, and aims to reduce the switching operation force. In addition, there is no shock at the end of the operation, and there is sufficient space under the chair to install heaters, etc. The purpose of this invention is to provide a forward and backward switching mechanism for a vehicle switching chair that can ensure the It is something to do.
【0005】[0005]
上記目的を達成するために、本考案に係る車両用転換椅子の前後転換機構は、 椅子の座ぶとん上に立設する背ずりの位置を変えて椅子の向きを反転する車両用 転換椅子において、椅子の台枠の両側にそれぞれ前後方向に延びる摺動レールを 架設し、該各摺動レールと平行にガイド長孔を穿設したガイド板を固設して、上 記摺動レール上を転動するベアリングをそれぞれ軸設した一対の摺動軸を、上記 ガイド長孔を貫挿して背ずりの下端に突設した支持ブラケットの前後位置に離間 軸着して該背ずりを摺動レール上に前後方向移動自在に起立支持してなり、上記 背ずりの移動方向側のベアリングが摺動レールから外れる位置に対応して、上記 ガイド長孔の両端に該ベアリングの摺動軸が係合する下向きに屈折してなる適宜 深さの係止端を形成したことを要旨とするものである。 In order to achieve the above object, the forward and backward switching mechanism of the vehicle convertible chair according to the present invention has the following features: For vehicles where the direction of the chair is reversed by changing the position of the back rest that stands above the seat cushion of the chair. In convertible chairs, sliding rails extending in the front and rear directions are installed on both sides of the chair frame. A guide plate with long guide holes drilled in parallel with each sliding rail is fixed, and the upper A pair of sliding shafts, each equipped with a bearing that rolls on the sliding rail, are Spaced apart at the front and back positions of the support bracket that extends through the guide slot and protrudes from the lower end of the backrest. The above-mentioned The above position corresponds to the position where the bearing on the moving direction side of the back slide comes off the slide rail. The sliding shaft of the bearing engages with both ends of the guide elongated hole and is bent downward. The gist is that a deep locking end is formed.
【0006】 そして、上記両側の前後転換機構は、両摺動レールに沿ってそれぞれ平行にラ ックを架設すると共に、背ずりの上記両支持ブラケット間に架設軸設した回動連 結軸の両端部に軸着してなるピニオンギヤとそれぞれ噛合して同期させるように 構成することもできる。[0006] The front and back switching mechanisms on both sides are parallel to each other along both sliding rails. At the same time, a rotating shaft is installed between the above-mentioned support brackets of the backrest. It meshes with the pinion gears attached to both ends of the connecting shaft to synchronize each other. It can also be configured.
【0007】[0007]
上記構成によれば、椅子の向きを変える場合には、背ずりを引き起こすように 押圧すると、ブラケットに突設した内側の摺動軸を支点として回動し、外側の摺 動軸が係止端から外れると同時に、該両摺動軸に軸着したベアリングによって摺 動レール上を転動するように支承され、摺動軸がガイド長孔に沿って他端まで移 動する。他端において前進側のベアリングが摺動レールの端部から外れると、該 ベアリングの摺動軸がガイド長孔の端部に形成した係止端に落ち込んで係合し、 この係合によって背ずりは、座ぶとんの他側で所定の後倒角度をもって安定支承 される。 According to the above configuration, when changing the direction of the chair, it is necessary to When pressed, it rotates around the inner sliding shaft protruding from the bracket, and the outer sliding shaft rotates as a fulcrum. At the same time as the moving shaft is released from the locking end, it is slid by the bearings attached to both sliding shafts. It is supported so that it rolls on a sliding rail, and the sliding shaft moves along the guide slot to the other end. move. If the forward bearing comes off the end of the slide rail at the other end, the The sliding shaft of the bearing falls into and engages with the locking end formed at the end of the guide elongated hole, Through this engagement, the backrest is stably supported at a predetermined tilt angle on the other side of the seat cushion. be done.
【0008】[0008]
以下、本考案に係る車両用転換椅子の前後転換機構の一実施例を図1乃至図5 に従って説明する。 図面において、1,1は座ぶとん2を載設支持する椅子の台枠3を床上に固設 する通路側と窓側の脚である。該両脚1,1の上面にはそれぞれ前後方向に延び るラック4が固設されると共に、該ラック4に隣接して摺動レール5を固設し、 また該摺動レール5に隣接してガイド板6を突設固着し、上記ラック4と平行に 椅子の前後方向に直線的に延びるガイド長孔7を穿設し、前後転換機構8の受け 部を構成してある。 An embodiment of the forward/backward switching mechanism of the vehicle convertible chair according to the present invention is shown below in FIGS. 1 to 5. Explain according to the following. In the drawing, 1 and 1 indicate the chair frame 3 on which the seat cushion 2 is placed and supported, which is fixed on the floor. These are the aisle-side and window-side legs. On the upper surface of both legs 1, 1, extending in the front and back direction, A rack 4 is fixedly installed, and a sliding rail 5 is fixedly installed adjacent to the rack 4, Further, a guide plate 6 is protruded and fixed adjacent to the sliding rail 5, and parallel to the rack 4. A long guide hole 7 extending linearly in the front-rear direction of the chair is drilled to accommodate the front-rear conversion mechanism 8. It consists of a section.
【0009】 また、背ずり9は上記摺動レール5上を転動する一対のベアリング10,10 によって前後位置変更自在に枢設して成るもので、該両ベアリング10,10を 軸着した摺動軸11,11は、前後方向に離間配置して上記ガイド長孔7に貫挿 すると共に、背ずり枠12の下端部両側から突出した両支持ブラケット13,1 3にそれぞれ軸着突設したものである。そして、上記ガイド板6のガイド長孔7 は摺動レール5の前後端部を越えた位置でそれぞれ下側にL字状に屈折し、外側 のベアリング10が摺動レール5から外れたときその摺動軸11が係合する係止 端14,14を構成する。[0009] The backrest 9 also has a pair of bearings 10, 10 rolling on the sliding rail 5. The two bearings 10, 10 are pivoted so that the front and back positions can be changed freely. The attached sliding shafts 11, 11 are spaced apart in the front-rear direction and inserted through the guide elongated hole 7. At the same time, both support brackets 13 and 1 protrude from both sides of the lower end of the backrest frame 12. 3 with a protruding shaft attached to each. Then, the guide elongated hole 7 of the guide plate 6 are bent downward in an L-shape at positions beyond the front and rear ends of the sliding rail 5, and A lock in which the sliding shaft 11 engages when the bearing 10 of is removed from the sliding rail 5. The ends 14, 14 are configured.
【0010】 上記両側の前後転換機構8は、支持ブラケット13,13の中央端部間に軸設 した回動連結軸18を介して関連付けられており、該回動連結軸18の両端部近 傍に軸着したピニオンギヤ15,15をそれぞれ上記左右のラック5,5と噛合 するように回動連結してある。0010 The longitudinal conversion mechanism 8 on both sides is provided with a shaft between the central ends of the support brackets 13, 13. are connected to each other via a rotational connection shaft 18, and near both ends of the rotation connection shaft 18. Pinion gears 15, 15 which are pivoted nearby are engaged with the left and right racks 5, 5, respectively. It is rotatably connected so that
【0011】 上記椅子は、背ずり9が座ぶとん2を跨ぐように支持ブラケット13,13を 配置し、座ぶとん2の座面と背ずり9の前後面をそれぞれ対称形に構成すると共 に、前後転換機構8の外側のベアリング10が摺動レール5の端部で外れたとき 、内側のベアリング10を回転中心として外側に回転(矢印C)し、背ずり9が 所定の後倒角度αを形成するようになっている。また、16,16はそれぞれ上 記椅子の両側脚1,1の上端に位置してガイド板6,6を覆うように固設した袖 部材であり、該両袖部材16,16の上端に肘掛け17,17を構成してある。[0011] The above chair has support brackets 13, 13 so that the backrest 9 straddles the seat cushion 2. The seat surface of the seat cushion 2 and the front and rear surfaces of the backrest 9 are configured symmetrically. , when the outer bearing 10 of the front-back conversion mechanism 8 comes off at the end of the sliding rail 5. , rotates outward with the inner bearing 10 as the center of rotation (arrow C), and the backrest 9 A predetermined backward tilt angle α is formed. Also, 16 and 16 are above respectively. Sleeves located at the upper ends of both legs 1, 1 of the recording chair and fixed so as to cover the guide plates 6, 6. Armrests 17, 17 are formed at the upper ends of both sleeve members 16, 16.
【0012】 上記構成に成る前後転換機構8を構成した椅子の向きを変える場合は、背ずり 9を引き起こすように頂端を矢印D方向に押圧する。この押圧によって背ずり9 は前後転換機構8の内側の摺動軸11を支点として回動し、外側の摺動軸11が 係止端14から外れると同時に、該外側の摺動軸11に軸着したベアリング10 が摺動レール5上を転動するようになる。0012 When changing the direction of the chair configured with the forward/backward switching mechanism 8 configured as described above, 9. Press the top end in the direction of arrow D. This pressure causes back 9 rotates around the inner sliding shaft 11 of the front-back conversion mechanism 8, and the outer sliding shaft 11 rotates as a fulcrum. At the same time as the bearing 10 is released from the locking end 14, the bearing 10 is pivoted to the outer sliding shaft 11. begins to roll on the sliding rail 5.
【0013】 この状態で背ずり9は、摺動レール5,5上を転動する椅子の左右前後に設け た4個のベアリング10,10…に支承され、座ぶとん2上に起立しながら前後 の摺動軸11,11がガイド長孔7に沿って他端まで移動(矢印E)すると共に 、前進側(外側)のベアリング10が摺動レール5の端部から外れると、該ベア リング10の摺動軸11がガイド長孔7の端部に形成した係止端14に落ち込ん で係合する。この係合によって前後転換機構8に支承された背ずり9は、座ぶと ん2の他側で後倒角度αをもって安定支承されるようになる。[0013] In this state, the backrests 9 are installed on the left and right front and back of the chair that rolls on the sliding rails 5, 5. It is supported by four bearings 10, 10... and can be moved forward and backward while standing on the seat cushion 2. As the sliding shafts 11, 11 move along the guide elongated hole 7 to the other end (arrow E), , when the forward side (outside) bearing 10 comes off the end of the slide rail 5, the bearing The sliding shaft 11 of the ring 10 falls into the locking end 14 formed at the end of the guide elongated hole 7. engage with. Through this engagement, the backrest 9 supported by the front-back conversion mechanism 8 is It is now stably supported at the backward tilt angle α on the other side of 2.
【0014】 尚、上記背ずり9は前後転換機構8の端部係止構造により、該背ずり9を起立 させない限り転換移動することはないが、ガイド板6の近傍にレバー操作等によ って作動するストップ機構を構成することが望ましい。[0014] Note that the backrest 9 can be raised up due to the end locking structure of the front-rear conversion mechanism 8. Although it will not move unless you do so, there is a lever near the guide plate 6. It is desirable to construct a stop mechanism that operates according to the following conditions.
【0015】[0015]
本考案に係る車両用転換椅子の前後転換機構は、以上のように構成したから、 座ぶとんに対して背ずりを変位して椅子の向きを変える際にその移動軌跡が床面 と平行になるため、位置エネルギーに伴う背ずり9の昇降作動がなくなる。この 結果、転換操作力を小さくして操作性を改善することができると共に、操作終了 時の衝撃がなく、また構成が簡単になり、椅子下にヒータ等を収容するための充 分なスペースを確保することができるようになる等の特徴を有するものであり、 本考案実施後の実用的効果は極めて大きい。 Since the forward/backward switching mechanism of the vehicle convertible chair according to the present invention is configured as described above, When you change the direction of the chair by displacing the back against the cushion, the trajectory of the movement will be on the floor. Since it becomes parallel to , the lifting and lowering movement of the backrest 9 due to potential energy is eliminated. this As a result, the switching operation force can be reduced to improve operability, and the operation can be completed quickly. There is no shock at the time, the configuration is simple, and there is no need to store the heater etc. under the chair. It has the characteristics of being able to secure a sufficient amount of space, The practical effects after implementing this invention are extremely large.
【図1】本考案に係る車両用転換椅子の前後転換機構の
一実施例を示す椅子要部の側面図である。FIG. 1 is a side view of the main parts of a chair showing an embodiment of a forward/backward converting mechanism of a convertible chair for a vehicle according to the present invention.
【図2】同前後転換機構の正面図である。FIG. 2 is a front view of the front-back conversion mechanism.
【図3】図2における矢視III部要部拡大図である。FIG. 3 is an enlarged view of a main part taken along arrow III in FIG. 2;
【図4】同要部分解斜視図である。FIG. 4 is an exploded perspective view of the same essential parts.
【図5】本考案に係る前後転換機構を備えた椅子の側面
図である。FIG. 5 is a side view of a chair equipped with a front-back switching mechanism according to the present invention.
【図6】平行リンク式前後転換機構を備えた従来の車両
用転換椅子を示す側面図である。FIG. 6 is a side view showing a conventional vehicle convertible chair equipped with a parallel link type forward and backward conversion mechanism.
2 座ぶとん 3 台枠 4 ラック 5 摺動レール 6 ガイド板 7 ガイド長孔 8 前後転換機構 9 背ずり 10 ベアリング 11 摺動軸 13 支持ブラケット 14 係止端 15 ピニオンギヤ 18 回動連結軸 2 Sitting cushion 3 frame 4 rack 5 Sliding rail 6 Guide plate 7 Guide long hole 8 Fore/aft conversion mechanism 9 Stomach 10 Bearing 11 Sliding shaft 13 Support bracket 14 Locking end 15 Pinion gear 18 Rotating connection shaft
Claims (2)
えて椅子の向きを反転する車両用転換椅子において、台
枠の両側にそれぞれ前後方向に延びる摺動レールを架設
すると共に、該各摺動レールと平行にガイド長孔を穿設
したガイド板を固設し、前記摺動レール上を転動するベ
アリングをそれぞれ軸設した一対の摺動軸を、前記ガイ
ド長孔に貫挿すると共に、背ずりの下端に突設した支持
ブラケットの前後位置に離間軸着して該背ずりを摺動レ
ール上に前後方向移動自在に起立支持して成り、前記背
ずりの移動方向側のベアリングが摺動レールから外れる
位置に対応して、前記ガイド長孔の両端に該ベアリング
の摺動軸が係合する下向きに屈折した適宜深さの係止端
を形成したことを特徴とする車両用転換椅子の前後転換
機構。Claim 1: A convertible chair for a vehicle in which the direction of the chair is reversed by changing the position of a backrest set up on a seat cushion, in which sliding rails extending in the front and rear directions are installed on both sides of the underframe, and each A guide plate with guide slots drilled parallel to the slide rail is fixed, and a pair of sliding shafts each having a bearing that rolls on the slide rail is inserted through the guide slot. At the same time, the backrest is supported upright on a sliding rail so as to be freely movable in the front and rear directions by being mounted with separate shafts at the front and rear positions of a support bracket protruding from the lower end of the backrest, and a bearing on the side of the movement direction of the backrest is provided. for a vehicle, wherein locking ends bent downward and having an appropriate depth are formed at both ends of the elongated guide hole to engage the sliding shaft of the bearing, corresponding to the position where the guide is removed from the sliding rail. Front/backward switching mechanism of convertible chair.
にラックを架設すると共に、背ずりの前記両支持ブラケ
ット間に架設軸設した回動連結軸の両端部に軸着したピ
ニオンギヤをそれぞれ噛合したことを特徴とする請求項
1の車両用転換椅子の前後転換機構。2. Racks are installed in parallel along both of the sliding rails, and pinion gears are engaged with both ends of a rotary connecting shaft installed between both the support brackets of the backrest. 2. A forward and backward switching mechanism for a vehicle switching chair according to claim 1.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5447991U JPH04137925U (en) | 1991-06-18 | 1991-06-18 | Fore/aft switching mechanism of vehicle convertible chair |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5447991U JPH04137925U (en) | 1991-06-18 | 1991-06-18 | Fore/aft switching mechanism of vehicle convertible chair |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH04137925U true JPH04137925U (en) | 1992-12-22 |
Family
ID=31929581
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5447991U Pending JPH04137925U (en) | 1991-06-18 | 1991-06-18 | Fore/aft switching mechanism of vehicle convertible chair |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH04137925U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014065446A (en) * | 2012-09-27 | 2014-04-17 | Aisin Seiki Co Ltd | Vehicle seat |
-
1991
- 1991-06-18 JP JP5447991U patent/JPH04137925U/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014065446A (en) * | 2012-09-27 | 2014-04-17 | Aisin Seiki Co Ltd | Vehicle seat |
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