WO2014024709A1 - アームレスト機構部ユニット - Google Patents
アームレスト機構部ユニット Download PDFInfo
- Publication number
- WO2014024709A1 WO2014024709A1 PCT/JP2013/070421 JP2013070421W WO2014024709A1 WO 2014024709 A1 WO2014024709 A1 WO 2014024709A1 JP 2013070421 W JP2013070421 W JP 2013070421W WO 2014024709 A1 WO2014024709 A1 WO 2014024709A1
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- WO
- WIPO (PCT)
- Prior art keywords
- armrest
- lock
- unit
- limit stopper
- spring
- Prior art date
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Classifications
-
- 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
- B60N2/75—Arm-rests
- B60N2/763—Arm-rests adjustable
- B60N2/767—Angle adjustment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2304/00—Optimising design; Manufacturing; Testing
- B60Y2304/03—Reducing weight
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2304/00—Optimising design; Manufacturing; Testing
- B60Y2304/05—Reducing production costs, e.g. by redesign
Definitions
- the present invention relates to an armrest mechanism unit of an armrest capable of adjusting an angle.
- An armrest provided on a seat frame of an automobile includes an angle adjustment mechanism for adjusting an angle between an initial position in which a front end portion faces the front of the seat and a storage position in which the seat faces upward.
- the angle adjusting mechanism has a lock member such as a lock drum or a lock spring assembled to the base end of the armrest frame by welding (Patent Documents 1 and 2).
- the armrest frame needs to be thick, and is heavy, exceeding 700 g.
- the armrest of Patent Document 3 is not a unit for adjusting the angle and is heavy and bulky. Therefore, the transportation cost is high, and it is necessary to recreate a mold and a production line each time the design of the armrest is changed. there were.
- the armrest is assembled in Japan as an extremely light and small angle adjustment mechanism with a complicated mechanism, and the armrest frame can be manufactured relatively easily if there is a mold, or the entire armrest It is desired that the assembly work can be flexibly adapted to the production mode such as being performed near an automobile assembly factory such as overseas.
- the present invention has been made to solve the above-mentioned problems, to reduce the thickness of each member by reducing the thickness of each member, to rationally respond to changes in the design of the armrest, It is possible to flexibly cope with the production mode of the armrest in consideration of the transportation cost.
- An armrest mechanism unit having a function, A mounting bracket provided with an upper limit stopper receiving portion and a lower limit stopper receiving portion; A lock drum having a displacement cam and a return cam provided on the end face and fixedly coupled to the mounting bracket; One end is a free end extending inward of the lock drum, and the other end is fixed to the base plate and is wound tightly around the outer peripheral surface of the lock drum, and is smaller than the outer diameter of the lock drum in the free state
- a lock spring having an inner diameter; It has an upper limit stopper projection, a lower limit stopper projection, and a unit coupling piece A, and has an upright cylinder portion that is rotatable with respect to the lock drum inside, and a fixed end side of the lock spring is provided on the outer peripheral surface of
- a base plate for winding a predetermined number of turns and fixing its fixed end An inner cylinder portion inserted inside the lock drum and the lock spring, a spring guide for holding the position of the free end of the lock spring in the inner cylinder portion, and a cover plate provided with a unit coupling piece B, These members form a united structure by joining the unit coupling piece A of the base plate and the unit coupling piece B of the cover plate, When the armrest is within the angle adjustable range from the initial position, the lock spring is tightened against the lock drum to prevent the armrest from rotating while the armrest is unable to rotate.
- This armrest mechanism unit includes all of a rotation mechanism that changes the angle of the armrest, a lock mechanism that locks the armrest that has been adjusted to a predetermined angle, and a stopper mechanism that determines the angle adjustable range of the armrest. All functions related to adjusting the angle of the armrest are completed within the unit.
- the base plate and cover plate are caulked together to wrap the mechanism from above and below, so that the thickness of the armrest mechanism unit can be reduced, and the entire unit can be reduced in weight.
- the armrest frame can also be reduced in weight by using the combined structure.
- the armrest mechanism unit of the present invention can be assembled alone without requiring an armrest frame. For this reason, it is possible to flexibly deal with production modes in which the armrest mechanism unit is assembled in Japan, the armrest frame is manufactured, and the entire armrest assembly work is performed overseas or near an automobile assembly plant.
- the armrest mechanism unit of the present invention becomes an armrest by being attached to a base end portion of an armrest frame made of a steel plate and integrated by caulking and the like.
- the armrest mechanism unit of the present invention can be integrated with the armrest frame by one mold and one step. Thereafter, the armrest mechanism unit and the armrest frame may be covered with a skin, and the whole may be integrated with a foamed resin injected into the skin.
- FIG. 1 is a perspective view showing a state in which a unit 10 of the present invention is mounted on an armrest frame 20.
- FIG. 2 is a perspective view showing a state in which the unit 10 of the present invention is mounted on the armrest frame 20.
- FIG. 3 is a cross-sectional view showing a state in which the unit 10 and the armrest frame 20 are covered with a skin, and the whole is integrated by the foamed resin 60 injected into the skin 50.
- an armrest provided in a vehicle seat will be described as an example.
- the unit 10 is attached to and integrated with a through hole 21 provided in the base end portion of the armrest frame 20.
- the unit 10 and the armrest frame 20 are integrated with each other as shown by the caulking joints ⁇ (three places) in FIGS. 2 and 3 with the ends of the wall portions provided at the edges of the armrest frame 20 made of steel plate inside.
- the armrest frame 20 is pursued to be lighter by being folded back and connected to the standing wall 15e of the unit 10 by caulking.
- the wall portion at the edge of the armrest frame 20 has its tip folded back inward at portions other than the caulking coupling portion ⁇ (see curl 22 in FIG. 2), so that it is safe even when the automobile collides.
- the unit 10 and the armrest frame 20 are covered with a skin 50, and a foamed resin 60 (foamed polyurethane) is injected into the gap between the armrest frame 20 and the skin 50 from the inlet 61 to integrate the whole. As a result, the armrest 10 is completed.
- a fixed end 13 b of the lock spring 13 to be described later is disposed on the side opposite to the injection port 61 in the unit 10.
- the base plate 14 to be described later is provided with a space portion 14e so that the injection port 61 can be seen through the space portion 14e.
- the injection port 61 is brought close to the rotation center of the armrest so that the injection port 61 fits in the width of the seat back, and the injection port 61 is made invisible when the completed armrest is attached to the seat frame (seat back). It is possible.
- the mounting bracket 11 of the unit 10 is fixed to a seat frame (not shown) and the armrest is within a certain angle adjustable range from the initial position, the unit 10 can rotate upward but cannot rotate downward. If the armrest is held in such a state that the angle adjustable range is exceeded, the armrest has a function of holding the armrest in a state in which the armrest can be turned up to the storage position and can be turned down to the initial position.
- FIG. 4 is a perspective view showing a state in which the unit 10 of the present invention is disassembled.
- the unit 10 includes a mounting bracket 11 provided with an upper limit stopper receiving portion 11a and a lower limit stopper receiving portion 11b, and a lock provided with a displacement cam 12a and a return cam 12b on the end surface.
- a drum 12, a lock spring 13 wound in close contact with the outer peripheral surface of the lock drum 12, an upper limit stopper projection 14 a, a lower limit stopper projection 14 b, and a unit coupling piece 14 c (unit coupling piece A) are provided to stand inside.
- a base plate 14 provided with a cylindrical portion 14d, a cover plate 15 provided with an inner cylindrical portion 15a, a spring guide 15b, a unit coupling piece 15c (unit coupling piece B), and an auxiliary cam 15d, a mounting bracket 11 and a base plate 14 And a resin washer 16 disposed between them.
- the lock spring 13 is wound around the outer peripheral surface of the lock drum 12 in a close contact state.
- the inner diameter of the lock spring 13 in the free state is slightly (2 to 5%) smaller than the outer diameter of the lock drum 12.
- One end of the lock spring 13 is bent inward and serves as a free end 13a that receives an action from the displacement cam 12a and the return cam 12b of the lock drum 12.
- the other end of the lock spring 13 is a fixed end 13 b fixed to the base plate 14.
- the fixed end 13b is fixed to the base plate 14 by coupling and fixing the spring retainer 17 to the base plate 14 and sandwiching the fixed end 13b of the lock spring 13 therebetween.
- the inner peripheral surface of the lock spring 13 is roughened by providing a plurality of steps 13c, and the locking force of the lock spring 13 against the lock drum 12 is increased.
- the lock drum 12 is coupled and fixed to the mounting bracket 11 by fitting and fitting the fitting convex portion 11c of the mounting bracket 11 into the fitting recess 12c (see the caulking coupling portion ⁇ in FIG. 3), and the seat It will be in the state which cannot be rotated with respect to a frame.
- the base plate 14 and the cover plate 15 can rotate with respect to the lock drum 12 and rotate integrally with the armrest frame 20.
- the outer peripheral surface of the upright cylindrical portion 14d of the base plate 14 is continuously arranged with the outer peripheral surface of the lock drum 12, and the fixed end 13b side of the lock spring 13 is wound by a predetermined number of turns. This prevents all loads from being applied to the fixed end 13b.
- the inner cylinder portion 15 a of the cover plate 15 is inserted inside the lock drum 12.
- the inner cylinder portion 15a is provided with a spring guide 15b for keeping the position of the free end 13a of the lock spring 13 constant.
- the free end 13a of the lock spring 13 passes through the side of the spring guide 15b (the gap between the spring guide 15b and the auxiliary cam 15d) and protrudes toward the center of the inner cylinder portion 15a.
- the unit 10 combines the above-mentioned members integrally by caulking the unit coupling piece 14c of the base plate 14 and the unit coupling piece 15c of the cover plate 15 (see caulking coupling portion ⁇ ). Has a structure.
- FIG. 5 shows the relative relationship between the return cam 12b and the displacement cam 12a of the lock drum 12, the free end 13a of the lock spring 13, the spring guide 15b and the auxiliary cam 15d of the cover plate 15 when the armrest is rotated. It is an expanded view explaining a positional relationship.
- FIG. 5A shows a state immediately before the armrest is turned downward to reach the initial position
- FIG. 5B shows the angle adjustable range by turning the armrest upward from the initial position.
- FIG. 5C shows a state in which the armrest has reached the upper limit position of the angle adjustable range
- FIG. 5D shows a state in which the free end 13a of the lock spring 13 is held on the spring guide 15b.
- FIG. 5E is a view showing a state where the armrest has reached the storage position.
- the lock spring 13 is used for the downward rotation of the armrest.
- the lock drum 12 is tightened and cannot rotate.
- the lock spring 13 is loosened with respect to the upward rotation, and the free end 13a moves with respect to the end surface of the lock drum 12 in the gap between the end surface of the lock drum 12 and the spring guide 15b. (Moving to the right in FIG. 5) is possible.
- the angle of the armrest of this embodiment can be adjusted by the above procedure.
- the armrest includes a rotation mechanism that changes the angle of the armrest, a lock mechanism that locks the armrest adjusted to a predetermined angle, and a stopper mechanism that determines the angle adjustable range of the armrest. It can be seen that all the functions related to the angle adjustment are completed in the unit 10. Therefore, not only can the design of the armrest frame 20 be easily changed, but also the production mode of the armrest can be flexibly dealt with in consideration of transportation costs. Specifically, the unit 10 is assembled at the factory A, the armrest frame 20 is manufactured at the factory B different from the factory A, and the base end of the armrest frame 20 manufactured at the factory B is assembled at the factory A.
- a production mode in which the unit 10 is mounted at a C factory (or B factory) different from the A factory can also be handled.
- the unit 10 assembled at the factory A is transported to the factory C (or factory B) where the mounting process is performed, only the unit 10 needs to be transported, and the bulk can be suppressed.
- the transportation cost can be reduced, and facilities such as molds and production lines can be rationalized.
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
Abstract
Description
シートフレームに取り付けられ、
初期位置から一定の角度調整可能範囲の間は、上方回動が可能で下方回動が不能な状態で、角度調整可能範囲を上方に超えると、収納位置までの上方回動及び初期位置までの下方回動が可能な状態で保持する、
機能を有するアームレスト機構部ユニットであって、
上限ストッパー受部及び下限ストッパー受部が設けられた取付金具と、
変位カム及び復帰カムが端面に設けられ、取付金具に固定結合されたロックドラムと、
一端がロックドラムの内方へ向かって延びる自由端で、他端がベースプレートに固定された、ロックドラムの外周面に密着状態で巻き付けられたもので、自由状態でロックドラムの外径よりも小さな内径を有するロックバネと、
上限ストッパー突部と下限ストッパー突部とユニット結合片Aとを具備し、内部にロックドラムに対して回動可能な起立筒部を設け、該起立筒部の外周面にロックバネの固定端側を所定巻き数だけ巻き付けてその固定端を固定するベースプレートと、
ロックドラム及びロックバネの内側に挿入される内筒部と、その内筒部にロックバネの自由端の位置を保持するバネガイドと、ユニット結合片Bとが設けられたカバープレートと
で構成されて、
これらの部材が、ベースプレートのユニット結合片Aとカバープレートのユニット結合片Bとを結合することにより一体化された構造をなし、
アームレストが初期位置から角度調整可能範囲にあるときは、アームレストの下方回動に対しては、ロックバネがロックドラムに対して締まり勝手になってその回動を不能にする一方、上方回動に対しては、緩み勝手になってその回動を可能にし、
アームレストが角度調整可能範囲を上方に超えると、ロックバネの自由端がロックドラムの変位カムで押されて緩まった状態でバネガイドに乗り上げて保持されることにより、その上方回動及び下方回動を可能にし、
アームレストが収納位置に達すると、ベースプレートの上限ストッパー突部と取付金具の上限ストッパー受部とが当接してその上方回動が規制され、
アームレストが下方回動で初期位置に達すると、ベースプレートの下限ストッパー突部と取付金具の下限ストッパー受部とが当接してその下方回動が規制されるとともに、ロックバネの自由端がロックドラムの復帰カムによってバネガイドによる保持が解かれてロック状態に復帰される
ことを特徴とするアームレスト機構部ユニット。
を提供することによって解決される。
11 取付金具
11a 上限ストッパー受部
11b 下限ストッパー受部
11c 嵌合凸部
12 ロックドラム
12a 変位カム
12b 復帰カム
12c 嵌合凹部
13 ロックバネ
13a 自由端
13b 固定端
13c きざみ
14 ベースプレート
14a 上限ストッパー突部
14b 下限ストッパー突部
14c ユニット結合片(ユニット結合片A)
14d 起立筒部
14e 空間部
15 カバープレート
15a 内筒部
15b バネガイド
15c ユニット結合片(ユニット結合片B)
15d 補助カム
15e 立壁
16 樹脂ワッシャー
17 バネ押さえ
17a 上限ストッパー当部
17b 下限ストッパー当部
20 アームレストフレーム
21 貫通穴
22 カール
30 樹脂カバー
40 キャップ
50 表皮
60 発泡樹脂
61 注入口
α かしめ結合部
β かしめ結合部
γ かしめ結合部
Claims (3)
- シートフレームに取り付けられ、
初期位置から一定の角度調整可能範囲の間は、上方回動が可能で下方回動が不能な状態で、角度調整可能範囲を上方に超えると、収納位置までの上方回動及び初期位置までの下方回動が可能な状態で保持する、
機能を有するアームレスト機構部ユニットであって、
上限ストッパー受部及び下限ストッパー受部が設けられた取付金具と、
変位カム及び復帰カムが端面に設けられ、取付金具に固定結合されたロックドラムと、
一端がロックドラムの内方へ向かって延びる自由端で、他端がベースプレートに固定された、ロックドラムの外周面に密着状態で巻き付けられたもので、自由状態でロックドラムの外径よりも小さな内径を有するロックバネと、
上限ストッパー突部と下限ストッパー突部とユニット結合片Aとを具備し、内部にロックドラムに対して回動可能な起立筒部を設け、該起立筒部の外周面にロックバネの固定端側を所定巻き数だけ巻き付けてその固定端を固定するベースプレートと、
ロックドラム及びロックバネの内側に挿入される内筒部と、その内筒部にロックバネの自由端の位置を保持するバネガイドと、ユニット結合片Bとが設けられたカバープレートと
で構成されて、
これらの部材が、ベースプレートのユニット結合片Aとカバープレートのユニット結合片Bとを結合することにより一体化された構造をなし、
アームレストが初期位置から角度調整可能範囲にあるときは、アームレストの下方回動に対しては、ロックバネがロックドラムに対して締まり勝手になってその回動を不能にする一方、上方回動に対しては、緩み勝手になってその回動を可能にし、
アームレストが角度調整可能範囲を上方に超えると、ロックバネの自由端がロックドラムの変位カムで押されて緩まった状態でバネガイドに乗り上げて保持されることにより、その上方回動及び下方回動を可能にし、
アームレストが収納位置に達すると、ベースプレートの上限ストッパー突部と取付金具の上限ストッパー受部とが当接してその上方回動が規制され、
アームレストが下方回動で初期位置に達すると、ベースプレートの下限ストッパー突部と取付金具の下限ストッパー受部とが当接してその下方回動が規制されるとともに、ロックバネの自由端がロックドラムの復帰カムによってバネガイドによる保持が解かれてロック状態に復帰される
ことを特徴とするアームレスト機構部ユニット。 - 請求項1記載のアームレスト機構部ユニットを鋼板製のアームレストフレームと一体にかしめ結合したアームレスト。
- アームレスト機構部ユニット及びアームレストフレームを表皮で覆い、表皮の内部に注入した発泡樹脂により全体を一体化させた請求項2記載のアームレスト。
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KR1020137025159A KR101687962B1 (ko) | 2012-08-10 | 2013-07-29 | 암 레스트 기구부 유닛 |
JP2014529427A JP5890525B2 (ja) | 2012-08-10 | 2013-07-29 | アームレスト機構部ユニット |
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JP2012178159 | 2012-08-10 | ||
JP2012-178159 | 2012-08-10 |
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PCT/JP2013/070421 WO2014024709A1 (ja) | 2012-08-10 | 2013-07-29 | アームレスト機構部ユニット |
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KR (1) | KR101687962B1 (ja) |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5654168B1 (ja) * | 2014-07-28 | 2015-01-14 | 備前発条株式会社 | アームレスト |
US10906441B2 (en) | 2016-03-31 | 2021-02-02 | Ts Tech Co., Ltd. | Rotably lockable armrest |
JP2021074056A (ja) * | 2019-11-05 | 2021-05-20 | 備前発条株式会社 | 高さ調節式のアームレスト |
JP7538408B2 (ja) | 2020-09-15 | 2024-08-22 | テイ・エス テック株式会社 | アームレスト |
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US6209960B1 (en) * | 1998-03-04 | 2001-04-03 | Tachi-S Engineering Usa, Inc. | Clutching mechanism for an infinitely adjustable armrest |
JP2005342125A (ja) * | 2004-06-01 | 2005-12-15 | T S Tec Kk | アームレストの取付構成 |
JP2009072328A (ja) * | 2007-09-20 | 2009-04-09 | Bizen Hatsujo Kk | アームレスト装置 |
JP2009261828A (ja) * | 2008-04-30 | 2009-11-12 | Ts Tech Co Ltd | 車両用シートのアームレスト |
JP2010005216A (ja) * | 2008-06-27 | 2010-01-14 | Nhk Spring Co Ltd | アームレスト装置 |
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JPH07236547A (ja) | 1994-02-25 | 1995-09-12 | Nhk Spring Co Ltd | アームレスト装置 |
JP4133311B2 (ja) | 2002-12-26 | 2008-08-13 | テイ・エス テック株式会社 | アームレストの高さ調節装置 |
JP3891584B2 (ja) | 2005-01-14 | 2007-03-14 | 備前発条株式会社 | アームレスト装置 |
JP4446442B2 (ja) * | 2004-08-18 | 2010-04-07 | 備前発条株式会社 | アームレスト装置 |
JP2007185223A (ja) * | 2006-01-11 | 2007-07-26 | Namba Press Works Co Ltd | アームレスト装置 |
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2013
- 2013-07-29 JP JP2014529427A patent/JP5890525B2/ja active Active
- 2013-07-29 KR KR1020137025159A patent/KR101687962B1/ko active IP Right Grant
- 2013-07-29 WO PCT/JP2013/070421 patent/WO2014024709A1/ja active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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US6209960B1 (en) * | 1998-03-04 | 2001-04-03 | Tachi-S Engineering Usa, Inc. | Clutching mechanism for an infinitely adjustable armrest |
JP2005342125A (ja) * | 2004-06-01 | 2005-12-15 | T S Tec Kk | アームレストの取付構成 |
JP2009072328A (ja) * | 2007-09-20 | 2009-04-09 | Bizen Hatsujo Kk | アームレスト装置 |
JP2009261828A (ja) * | 2008-04-30 | 2009-11-12 | Ts Tech Co Ltd | 車両用シートのアームレスト |
JP2010005216A (ja) * | 2008-06-27 | 2010-01-14 | Nhk Spring Co Ltd | アームレスト装置 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5654168B1 (ja) * | 2014-07-28 | 2015-01-14 | 備前発条株式会社 | アームレスト |
US10906441B2 (en) | 2016-03-31 | 2021-02-02 | Ts Tech Co., Ltd. | Rotably lockable armrest |
JP2021074056A (ja) * | 2019-11-05 | 2021-05-20 | 備前発条株式会社 | 高さ調節式のアームレスト |
JP7538408B2 (ja) | 2020-09-15 | 2024-08-22 | テイ・エス テック株式会社 | アームレスト |
Also Published As
Publication number | Publication date |
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JP5890525B2 (ja) | 2016-03-22 |
JPWO2014024709A1 (ja) | 2016-07-25 |
KR101687962B1 (ko) | 2016-12-20 |
KR20150041550A (ko) | 2015-04-16 |
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