JP6027497B2 - Lifting shelf - Google Patents

Lifting shelf Download PDF

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JP6027497B2
JP6027497B2 JP2013126465A JP2013126465A JP6027497B2 JP 6027497 B2 JP6027497 B2 JP 6027497B2 JP 2013126465 A JP2013126465 A JP 2013126465A JP 2013126465 A JP2013126465 A JP 2013126465A JP 6027497 B2 JP6027497 B2 JP 6027497B2
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arm
main body
arm member
hanging shelf
shelf
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JP2015000209A (en
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山田 和義
和義 山田
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Daydo Co Ltd
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Daydo Co Ltd
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Description

本発明は、昇降棚に関する。   The present invention relates to a lifting shelf.

昇降棚として従来から知られているものとして、吊棚本体を固定周囲枠に対し、平行四節リンク機構による揺動動作により、手前下方の引き出し状態と後上方の収納状態とに切り換えて使用するものがある(例えば、特許文献1参照)。   Conventionally known as an elevating shelf, the hanging shelf body is used by switching between a drawer-down state at the front and a storage state at the rear-upper side by a swinging operation by a parallel four-bar linkage mechanism with respect to the fixed peripheral frame. (For example, refer to Patent Document 1).

特開2003−24152号公報JP 2003-24152 A

しかし、従来の昇降棚は、例えば、台所等に設置されている場合、吊棚本体は手前下方へ引き出して使用するため、引き出し状態のままでは、吊棚本体が調理台・流し台の使用の妨げになる。従って、調理台・流し台を使用するには、吊棚本体を上方へ収納しなければならず面倒であり、また、吊棚本体を引き出して物品を出し入れしながら手前で作業を行うことができず不便であった。
さらに、吊棚本体を昇降させる際に、吊棚本体の引き出し状態と収納状態の停止時の衝撃により吊棚本体に収納してある物品が倒れる虞があった。
However, when a conventional lifting shelf is installed in a kitchen or the like, for example, the hanging shelf main body is pulled out to the front and lower side, so that the hanging shelf main body hinders the use of the cooking table and sink in the pulled out state. . Therefore, in order to use the cooking table and sink, it is troublesome to store the hanging shelf body upward, and it is inconvenient that it is not possible to work in front while pulling out the hanging shelf body and putting in and out articles. there were.
Furthermore, when raising / lowering the hanging shelf main body, there is a possibility that an article stored in the hanging shelf main body falls down due to an impact when the hanging shelf main body is pulled out and stopped.

そこで、本発明は、リンク部材の本数を低減して、構造の簡素化を図り、さらに、吊棚本体を物品の出し入れが可能な状態としたままでも、手前の作業空間を充分に確保することができる昇降棚を提供することを目的とする。   Therefore, the present invention reduces the number of link members, simplifies the structure, and further ensures a sufficient working space in the foreground even when the hanging shelf body is in a state where articles can be taken in and out. An object is to provide a lifting shelf that can be used.

上記目的を達成するため、本発明に係る昇降棚は、固定部と、該固定部に上下リニアガイド手段を介して上下直線状に昇降するように付設された吊棚本体と、手前へ膨出する円弧状軌跡を描いて先端部が上下動可能として上記固定部に枢着された上アーム部材と下アーム部材と、上記吊棚本体の側壁の下端縁に沿って形成されたレール部と、該レール部に沿って転動可能なローラと、該ローラを有すると共に手前へ延伸状の取手アームと、上記上アーム部材の先端部及び上記下アーム部材の先端部を上下枢結しつつ下方ヘ延伸して上記取手アームに連結固着される垂下アームとを、具備している。
また、上下直線状に昇降する上記吊棚本体が、上限及び下限にて、衝撃的に停止するのを防ぐための2本のダンパーを、鉛直状に、かつ、後方寄りに配設したものである。
In order to achieve the above object, a lifting shelf according to the present invention bulges to the front with a fixed portion, a suspension shelf main body attached to the fixed portion so as to move up and down in a straight line through the vertical linear guide means. An upper arm member and a lower arm member that are pivotally attached to the fixed portion so that the tip portion can move up and down while drawing an arcuate locus, a rail portion formed along the lower end edge of the side wall of the suspension rack body, and the rail A roller that can roll along the portion, a handle arm that has the roller and extends forward, and the tip of the upper arm member and the tip of the lower arm member are vertically extended to extend downward. And a hanging arm connected and fixed to the handle arm.
Further, the suspension rack main body that moves up and down in a straight line is provided with two dampers arranged vertically and close to the rear to prevent the suspension rack from stopping at an upper limit and a lower limit. .

本発明によれば、吊棚本体は上下直線状に昇降するので、下方位置の調理台・流し台の使用が常時可能となり至便であり、しかも、リンク機構等の構造が簡素化でき、かつ、コンパクト化できる。
さらに、吊棚本体の姿勢が(ぐらつかずに)安定し、スムースかつ軽快に、取手アームを手で握って、昇降作動を行い得る。特に、ローラがレール部を転動する転動部の近傍に取手アームが配設されることとなるので、取手アームに人の力が外力として作用した際に転動部に作用する回転モーメントが小さく、従って、ローラがレール部を軽快に走行し、操作感は軽快・スムースである。
According to the present invention, the hanging shelf body moves up and down in a straight line, so that it is possible to use a cooking table and a sink at a lower position at all times, and the structure of the link mechanism and the like can be simplified and compact. it can.
Furthermore, the posture of the hanging shelf main body is stable (without wobbling), and the lifting and lowering operation can be performed by grasping the handle arm with the hand smoothly and lightly. In particular, since the handle arm is disposed in the vicinity of the rolling part where the roller rolls on the rail part, when a human force acts on the handle arm as an external force, the rotational moment acting on the rolling part is increased. Therefore, the roller travels lightly on the rail portion, and the operational feeling is light and smooth.

本発明の実施の一形態を示す吊棚本体の収納状態(最上昇状態)の斜視図である。It is a perspective view of the accommodation state (the highest rise state) of the hanging shelf main body which shows one Embodiment of this invention. 吊棚本体の収納状態の右側面図である。It is a right view of the storage state of a hanging shelf main body. 吊棚本体を約半分だけ下降した途中状態の斜視図である。It is a perspective view of the halfway state which lowered | hanged only about half the hanging shelf main body. 吊棚本体を約半分だけ下降した途中状態の右側面図である。It is a right view of the state in the middle of lowering the hanging shelf main body by about half. 吊棚本体を下限まで降下させた最下降状態の斜視図である。It is a perspective view of the lowest state which lowered the hanging shelf main body to the minimum. 吊棚本体を下限まで降下させた最下降状態の右側面図である。It is a right view of the lowest state which lowered the hanging shelf main body to the minimum. 最上昇状態の要部右側面図である。It is a principal part right view of the highest rise state. 最上昇状態の要部斜視図である。It is a principal part perspective view of the highest state. 吊棚本体を約1/4だけ下降した途中状態の要部右側面図である。It is a principal part right view of the middle state which lowered | hung the hanging shelf main body only about 1/4. 吊棚本体を約1/4だけ下降した途中状態の要部斜視図である。It is a principal part perspective view of the middle state which lowered | hung the hanging shelf main body only about 1/4. 吊棚本体を約1/4だけ下降した途中状態の一部破断要部左側面図である。It is a partially broken principal part left view of the middle state which lowered | hung the hanging shelf main body only about 1/4. 吊棚本体を約半分だけ下降した途中状態の要部右側面図である。It is a principal part right view of the middle state which lowered | hanged the suspension shelf main body by about half. 吊棚本体を約半分だけ下降した途中状態の要部斜視図である。It is a principal part perspective view of the middle state which lowered | hung the hanging shelf main body only about half. 吊棚本体を約半分だけ下降した途中状態の一部破断要部左側面図である。It is a partially broken principal part left side view of the halfway state which lowered | hung the hanging shelf main body only about half. 吊棚本体を約3/4だけ下降した途中状態の要部右側面図である。It is a principal part right view of the middle state which lowered | hanged the suspension shelf main body only about 3/4. 吊棚本体を約3/4だけ下降した途中状態の要部斜視図である。It is a principal part perspective view of the middle state which lowered | hung the hanging shelf main body only about 3/4. 吊棚本体を約3/4だけ下降した途中状態の一部破断要部左側面図である。It is a partially broken principal part left view of the middle state which lowered | hung the hanging shelf main body only about 3/4. 吊棚本体を下限まで降下させた最下降状態の要部右側面図である。It is a principal part right view of the lowest fall state which lowered | hanged the suspension shelf main body to the minimum. 吊棚本体を下限まで降下させた最下降状態の要部斜視図である。It is a principal part perspective view of the lowest state which lowered the suspension shelf main body to the minimum. 吊棚本体を下限まで降下させた最下降状態の一部破断左側面図である。It is a partially broken left side view in the lowest lowered state where the hanging shelf body is lowered to the lower limit.

以下、図示の実施の形態に基づき本発明を詳説する。
図1〜図5に於て、(図示省略した)壁面やキャビネットや固定支持枠等の固定被取付体に対して、固着される固定部10を有し、この固定部10は具体的には、左右に分離して設けられた板金製固定部材10A,10Aから構成されている。2は吊棚本体であって、底壁(底板)6と左右側壁(側板)5と天井壁(天板)7を有する。上下リニアガイド手段30を介して、吊棚本体2は上記固定部10に付設されており、吊棚本体2は上下直線状に昇降する。
上下リニアガイド手段30は、図例では、左右側壁5,5の後方に付設された、上下方向に延びるガイド部8と、上記固定部材10A(固定部10)に形成(又は固設)された上下レール9等から成る。
Hereinafter, the present invention will be described in detail based on the illustrated embodiment.
In FIG. 1 to FIG. 5, there is a fixing portion 10 that is fixed to a fixed object such as a wall (not shown), a cabinet, or a fixed support frame. The sheet metal fixing members 10A and 10A are provided separately on the right and left sides. Reference numeral 2 denotes a hanging shelf body having a bottom wall (bottom plate) 6, left and right side walls (side plates) 5, and a ceiling wall (top plate) 7. The hanging shelf body 2 is attached to the fixed portion 10 via the upper and lower linear guide means 30, and the hanging shelf body 2 moves up and down linearly.
In the illustrated example, the vertical linear guide means 30 is formed (or fixed) on the guide portion 8 attached to the rear of the left and right side walls 5 and 5 and extending in the vertical direction, and the fixing member 10A (fixing portion 10). It consists of upper and lower rails 9 and the like.

図7〜図20は、要部を描いた図であって、図7,図8は図1,図2に対応し、また、図12〜図14は図3,図4に対応し、また、図18〜図20は図5,図6に対応する。   FIGS. 7 to 20 are diagrams illustrating the main part, FIGS. 7 and 8 correspond to FIGS. 1 and 2, FIGS. 12 to 14 correspond to FIGS. 3 and 4, and 18 to 20 correspond to FIGS. 5 and 6.

21は、手前へ膨出する円弧状軌跡を描いて先端部21Aが上下動可能として固定部10(固定部材10A)に軸16にて枢着された上アーム部材である。
41は、上記上アーム部材21よりも下方位置に配設され、手前へ膨出する円弧状軌跡を描いて先端部41Aが上下動可能として固定部10(固定部材10A)に軸42にて枢着された下アーム部材である。
上アーム部材21,21と下アーム部材41,41は、各々左右に1本ずつ配設される。
そして、吊棚本体2の左右各側壁5の外面側の下端縁5Aに沿ってレール部14が(凹溝状に)形成されている。
このレール部14に沿って転動可能として、左右各々に2個ずつのローラ33,33が嵌着され、手前へ延伸状の取手アーム11の左右各々の後端基部に、前後に間隔をもって2個のローラ33,33が付設される。
Reference numeral 21 denotes an upper arm member that is pivotally attached to a fixed portion 10 (fixed member 10A) with a shaft 16 so that a tip end portion 21A can move up and down while drawing an arcuate locus that bulges toward the front.
41 is arranged below the upper arm member 21 and draws an arcuate locus that bulges forward to allow the tip 41A to move up and down and pivot on the fixed portion 10 (fixed member 10A) with a shaft 42. A lower arm member worn.
The upper arm members 21 and 21 and the lower arm members 41 and 41 are arranged one on each of the left and right sides.
A rail portion 14 is formed (in a concave groove shape) along the lower end edge 5A on the outer surface side of each of the left and right side walls 5 of the hanging shelf body 2.
Two rollers 33 and 33 are fitted on each of the left and right sides so as to be able to roll along the rail portion 14, and 2 on the left and right rear end bases of the handle arm 11 extending forward. A number of rollers 33 are provided.

取手アーム11は、左右の腕部12,12と、この腕部12,12の手前側の先端を左右橋絡するグリップ杆34とを、有する。上記腕部12の基部は分岐して、水平片部に2個の上記ローラ33,33が付設され、鉛直片部は、後述する垂下アーム13の下端に連結固着するための取付片部に相当する。しかも、腕部12は、手前(及びやや下方)へ延伸状であり、この腕部12のローラ33からの延伸長L12は短寸法である。ここで、短寸法とは、吊棚本体2の前後寸法(奥行寸法)の40%〜90%を言うものとする。即ち、腕部12が短寸法であることにより、ローラ33近傍に作用する、グリップ杆34に人の手で加えられる外力に伴う回転モーメントが、小さくなり、ローラ33に過大な力が作用することを防止できる。これによって、ローラ33は軽快にレール部14に沿って転動でき、操作感が軽くなるという利点がある。 The handle arm 11 includes left and right arm portions 12 and 12 and a grip rod 34 that bridges the front ends of the arm portions 12 and 12 on the left and right sides. The base portion of the arm portion 12 is branched, and the two rollers 33 and 33 are attached to the horizontal piece portion, and the vertical piece portion corresponds to an attachment piece portion for connecting and fixing to the lower end of the hanging arm 13 described later. To do. Moreover, the arm portion 12 is a stretched shape toward the front (and somewhat lower) stretched length L 12 from the roller 33 of the arm portion 12 is short dimension. Here, the short dimension means 40% to 90% of the longitudinal dimension (depth dimension) of the hanging shelf body 2. That is, since the arm portion 12 has a short dimension, the rotational moment due to the external force applied to the grip rod 34 by the hand of the person acting near the roller 33 is reduced, and an excessive force acts on the roller 33. Can be prevented. As a result, the roller 33 can easily roll along the rail portion 14, and there is an advantage that the operational feeling becomes light.

ところで、13は上アーム部材21の先端部21A、及び、下アーム部材41の先端部41Aを上下枢結しつつ、下方へ延伸して、取手アーム11の腕部12の基端の鉛直片に、ボルト35,35等の固着具によって、連結固着される垂下アームである。
この垂下アーム13と、上アーム部材21・下アーム部材41との枢結軸36,37、及び、前記軸16,42は、平行四辺形の頂点位置に配設されている。即ち、上アーム部材21と下アーム部材41と垂下アーム13と固定部材10Aは、いわゆる平行リンク機構を構成しており、垂下アーム13は、常に垂下状態(鉛直状態)を保持しつつ、全体として、手前へ膨出する円弧状軌跡を描く動作を行う。
操作時には、人の手でグリップ杆34を前後方向に動かすと、垂下アーム13が前後方向に移動し、これに伴って、上アーム部材21と下アーム部材41の各先端部21A,41Aが円弧状軌跡を描きつつ上下揺動すると共に、下方位置のローラ33とレール部14に於て、吊棚本体2を昇降させる力を与え、しかも、上下リニアガイド手段30を介して上下直線状に昇降する。
By the way, 13 extends downward while pivoting the distal end portion 21A of the upper arm member 21 and the distal end portion 41A of the lower arm member 41 to form a vertical piece at the proximal end of the arm portion 12 of the handle arm 11. The hanging arm is connected and fixed by fixing tools such as bolts 35 and 35.
The pivot shafts 36 and 37 of the hanging arm 13, the upper arm member 21 and the lower arm member 41, and the shafts 16 and 42 are disposed at the apex positions of the parallelogram. That is, the upper arm member 21, the lower arm member 41, the drooping arm 13 and the fixing member 10A constitute a so-called parallel link mechanism, and the drooping arm 13 always maintains a drooping state (vertical state), and as a whole. The operation of drawing an arcuate locus that bulges forward is performed.
During operation, when the grip rod 34 is moved in the front-rear direction by a human hand, the drooping arm 13 moves in the front-rear direction, and accordingly, the distal end portions 21A, 41A of the upper arm member 21 and the lower arm member 41 are circular. While swinging up and down while drawing an arcuate trajectory, the roller 33 and the rail portion 14 at the lower position are given a force to move the hanging shelf body 2 up and down, and are moved up and down linearly through the upper and lower linear guide means 30. .

そして、固定部材10Aは側面視が縦長略矩形であり、この固定部材10Aには、上下直線状に昇降する吊棚本体2が、上限及び下限にて、各々衝撃的に停止するのを防ぐための2本のダンパー18,19が、鉛直状に配設されている。従って、2本のダンパー18,19は、後方寄りに配設されていることとなり、固定部材10A等は、前後にコンパクトにできる利点がある。
また、一方のダンパー18は、上限用ダンパーであって、吊棚本体2が下限から中間位置までは作用せず、上限近傍でのみ緩衝作用をなす。従って、人が上昇操作する際に、下限から中間位置までは、軽くかつ速く上昇作動が可能であって、最終の上限近傍にて有効に減速(緩衝)作用をなすことができる。
他方のダンパー19は、下限用ダンパーであって、吊棚本体2が上限から中間位置までは作用せず、下限近傍でのみ緩衝作用をなす。従って、人が下降操作する際に、上限から中間位置までは、軽くかつ速く下降作動が可能であって、最終の下限近傍にて有効に減速(緩衝)作用をなすことができる。
The fixing member 10A has a substantially oblong rectangular shape in a side view, and the fixing member 10A is provided for preventing the suspension shelf body 2 that moves up and down in a straight line form from stopping at an upper limit and a lower limit. Two dampers 18 and 19 are arranged vertically. Accordingly, the two dampers 18 and 19 are disposed closer to the rear, and the fixing member 10A and the like have an advantage that the front and rear can be made compact.
Further, one damper 18 is an upper limit damper, and the hanging shelf body 2 does not act from the lower limit to the intermediate position, and acts as a buffer only near the upper limit. Therefore, when the person performs the ascending operation, the ascending operation can be performed lightly and quickly from the lower limit to the intermediate position, and the decelerating (buffering) action can be effectively performed in the vicinity of the final upper limit.
The other damper 19 is a lower limit damper, and the hanging shelf main body 2 does not act from the upper limit to the intermediate position, and only acts in the vicinity of the lower limit. Accordingly, when the person performs the lowering operation, the lowering operation can be performed lightly and quickly from the upper limit to the intermediate position, and the deceleration (buffering) can be effectively performed in the vicinity of the final lower limit.

ダンパー18,19は、固定部材10Aに鉛直状に、かつ、相互に平行に形成されたスリット48,49に、シリンダ(円筒部)が上下スライド自在として、嵌め込まれている。ダンパー18,19の最長寸法よりも、スリット48,49の上下長さ寸法が大きく設定され、その差が、後述の「逃げ」に相当する。
上アーム部材21の基部は、側面視、大き目の板片部21Bに形成され、この板片部21Bの弧状ガイド孔部に嵌入したピン40を一端に有する作動リンク39と、この作動リンク39にピン43にて枢結された他の作動リンク38等の連動リンク機構を介して、ダンパー19,18に連動連結している。
上アーム部材21の軸16廻りの揺動に伴って、ダンパー19,18は(上下方向に)圧縮・伸長を行う。
The dampers 18 and 19 are fitted into slits 48 and 49 formed vertically in the fixing member 10A and in parallel with each other so that the cylinder (cylindrical portion) can slide up and down. The vertical length dimension of the slits 48 and 49 is set larger than the longest dimension of the dampers 18 and 19, and the difference corresponds to “relief” described later.
The base portion of the upper arm member 21 is formed in a large plate piece portion 21B in side view, and an operation link 39 having a pin 40 fitted in the arcuate guide hole portion of the plate piece portion 21B at one end, The dampers 19 and 18 are linked to each other via a linkage mechanism such as another operating link 38 that is pivotally connected by a pin 43.
As the upper arm member 21 swings around the shaft 16, the dampers 19 and 18 are compressed and extended (in the vertical direction).

下限ダンパー19の作動等について説明すると、図11に示すように、スリット49の上部に「逃げH」が存在している。その後、図14に示すように、上アーム部材21が下方へ揺動してゆくと、「逃げH」が無くなって、スリット49の上端に、下限ダンパー19の上端が当接して、この図14に示した吊棚本体2の約半分の下降位置から緩衝作用が行われて、次に図17及び図20と順次、下限ダンパー19が圧縮されてゆく。従って、吊棚本体2を引下ろす、上限から中間位置までは、軽くスピーディに手にて操作ができて至便である。なお、下限ダンパー19の押圧端子43Aは、前記ピン43に設けられており、作動リンク39を介して、その押圧端子43Aが上下に作動する。   The operation of the lower limit damper 19 will be described. As shown in FIG. 11, “escape H” exists above the slit 49. After that, as shown in FIG. 14, when the upper arm member 21 swings downward, the “escape H” disappears, and the upper end of the lower limit damper 19 comes into contact with the upper end of the slit 49. The buffering action is performed from the lowered position of about half of the hanging shelf main body 2 shown in FIG. Therefore, from the upper limit to the middle position where the hanging shelf main body 2 is pulled down, it can be operated easily and lightly by hand. The pressing terminal 43A of the lower limit damper 19 is provided on the pin 43, and the pressing terminal 43A operates up and down via the operating link 39.

次に、上限ダンパー18の作動等について説明する。つまり、図20(図18,図19)から図17(図15,図16)、図14(図12,図13)、図11(図9,図10)を経て図7,図8の最上昇位置(上限)に順次切換わる際に、上限ダンパー18がどのように作動等するかを、説明する。
図20に示すように、スリット48の下部に「逃げH」が存在している。その後、図17に示すように、上アーム部材21が上方へ揺動してゆくと、「逃げH」が減少し、図14のように「逃げH」が無くなって、スリット48の下端に、上限ダンパー18の下端が当接して、この図14に示した吊棚本体2の約半分の上昇位置から緩衝作用が行われて、次に、図11及び図8と順次、上限ダンパー18が圧縮されてゆく。従って、吊棚本体2を、図5,図6及び図18〜図20に示した下限(最降下状態)から図3,図4及び図12〜図14に示した中間位置までは、軽くスピーディに手にて上昇操作ができて至便である。
なお、上限ダンパー18の押圧端子44Aは、作動リンク38の上端の軸部44に固着され、作動リンク38を介して、その押圧端子44Aが上下に作動する。
Next, the operation of the upper limit damper 18 will be described. That is, through FIG. 20 (FIGS. 18 and 19) to FIG. 17 (FIGS. 15 and 16), FIG. 14 (FIGS. 12 and 13), and FIG. 11 (FIGS. 9 and 10), FIG. A description will be given of how the upper limit damper 18 operates when sequentially switching to the ascending position (upper limit).
As shown in FIG. 20, “escape H” exists below the slit 48. After that, as shown in FIG. 17, when the upper arm member 21 swings upward, the “relief H” decreases, and the “relief H” disappears as shown in FIG. The lower end of the upper limit damper 18 abuts and a buffering action is performed from about half ascending position of the hanging shelf body 2 shown in FIG. 14, and then the upper limit damper 18 is compressed sequentially in FIGS. Go. Therefore, the hanging shelf body 2 is lightly and quickly moved from the lower limit (the lowest lowered state) shown in FIGS. 5, 6 and 18 to 20 to the intermediate position shown in FIGS. 3, 4 and 12 to 14. It is convenient because it can be lifted by hand.
The pressing terminal 44A of the upper limit damper 18 is fixed to the shaft 44 at the upper end of the operating link 38, and the pressing terminal 44A operates up and down via the operating link 38.

ところで、下限ダンパー19は倒立状にスリット49に収納され、上限ダンパー18は正規の状態でスリット48に収納されている。
また、固定部材10Aの下部寄りには、渦巻きバネ20が設けられており、この渦巻きバネ20はカバー部材26にて被覆されると共に、渦巻きバネ20の中心軸20Aに連結固着された出力アーム22の先端と、上アーム部材21の板片部21Bとを、連結アーム23にて、連動連結する。これによって、上アーム部材21を上方へ揺動させる方向に常時弾発付勢する。従って、吊棚本体2及び(その内部の)収納物の荷重を軽減し、使用者が吊棚本体2を上昇させる際の操作をアシストする。
Incidentally, the lower limit damper 19 is accommodated in the slit 49 in an inverted manner, and the upper limit damper 18 is accommodated in the slit 48 in a normal state.
Further, a spiral spring 20 is provided near the lower portion of the fixing member 10A. The spiral spring 20 is covered with a cover member 26, and is connected to and secured to the central axis 20A of the spiral spring 20. And the plate piece portion 21B of the upper arm member 21 are interlocked and connected by the connecting arm 23. As a result, the upper arm member 21 is constantly urged and biased in the direction of swinging upward. Therefore, the load on the suspended shelf main body 2 and the stored items (inside it) is reduced, and the operation when the user raises the suspended shelf main body 2 is assisted.

そして、図7に示す最上昇(上限)状態では、上アーム部材21は、その枢支用軸16と、先端部21Aの枢着軸27とを、結ぶ直線Lは、上方においては鉛直上方よりも角度αだけ奥側(後方側)に傾斜状であり、結局、上アーム部材21は、この角度αだけ後方側まで揺動可能である。αとしては、2°〜9°が好ましい。これによって、吊棚本体2と収納物の合計重量を利用して、(不意に前方へ揺動しないように)上限の状態を維持できる。 Then, the uppermost (upper) position shown in FIG. 7, the upper arm member 21, and its pivotal journaling shaft 16, and a pivot shaft 27 of the distal end portion 21A, the straight line L 1 connecting the vertically upward at the upper As a result, the upper arm member 21 is inclined to the rear side by this angle α. α is preferably 2 ° to 9 °. Accordingly, the upper limit state can be maintained by using the total weight of the hanging shelf main body 2 and the stored item (so as not to swing forward).

本発明は、以上述べたように、固定部10と、該固定部10に上下リニアガイド手段30を介して上下直線状に昇降するように付設された吊棚本体2と、手前へ膨出する円弧状軌跡を描いて先端部21A,41Aが上下動可能として上記固定部10に枢着された上アーム部材21,21と下アーム部材41,41と、上記吊棚本体2の側壁5,5の下端縁5A,5Aに沿って形成されたレール部14,14と、該レール部14,14に沿って転動可能なローラ33と、該ローラ33を有すると共に手前へ延伸状の取手アーム11と、上記上アーム部材21の先端部21A及び上記下アーム部材41の先端部41Aを上下枢結しつつ下方ヘ延伸して上記取手アーム11に連結固着される垂下アーム13とを、具備する構成であるので、所期目的を簡易な構成によって達成でき、しかも、吊棚本体2は常に安定した姿勢を保持しつつ軽快にかつスムースに昇降操作を行い得る。   As described above, the present invention includes the fixed portion 10, the suspension shelf body 2 attached to the fixed portion 10 so as to move up and down linearly via the upper and lower linear guide means 30, and the circle bulging forward. The upper arm members 21 and 21 and the lower arm members 41 and 41 pivotally attached to the fixed portion 10 so that the tip portions 21A and 41A can move up and down along an arcuate locus, and the lower ends of the side walls 5 and 5 of the suspension rack body 2 Rail portions 14, 14 formed along the edges 5A, 5A, a roller 33 rollable along the rail portions 14, 14, a handle arm 11 having the roller 33 and extending forward. The upper arm member 21 and the lower arm member 41 have a drooping arm 13 that extends downward and is connected to and fixed to the handle arm 11 while vertically connecting the distal end portion 21A of the upper arm member 21 and the distal end portion 41A of the lower arm member 41. Therefore, the intended purpose can be achieved with a simple configuration, and the hanging shelf body 2 is always stable. The raising / lowering operation can be performed lightly and smoothly while maintaining the posture.

また、従来は平行六節リンク機構を用いた複雑で大掛りな構造の昇降棚も知られていたが、それよりも十分に簡素化及びコンパクト化と軽量化を図り得ると共に、姿勢は常に安定し、かつ、軽快に操作可能である。
特に、使用者の手から直接に力が加わる取手アーム11と、ローラ33・レール部14とは相互に近い距離にあるので、ローラ33・レール部14に作用する捩れ・押圧力・回転モーメント等が著しく小さくなって、ローラ33の軸受等の故障も発生せず、スムースに転動して、軽い操作感が得られる。しかも、垂下アーム13にも、単に前後方向の力が加えられるだけで、捩れや曲げやひねり等の不要な外力やモーメントが作用せず、上方位置の上下アーム部材21,41と上記垂下アーム13等によって形成される平行リンクがスムース・軽快に作動する。
さらに、上記平行リンクに最も大きい捩れが加わる約半分を揺動した上下中間位置に於て(図3と図4参照)、平行リンクとして最も安定した(側面視)展開状態となって、ぐらつかないで、軽快な昇降を行い得る。
Conventionally, a lifting rack with a complicated and large structure using a parallel six-joint link mechanism was also known, but it can be simplified, made compact and lighter, and its posture is always stable. However, it can be operated easily.
In particular, the handle arm 11 to which the force is applied directly from the user's hand and the roller 33 / rail portion 14 are close to each other, so that the torsion, pressing force, rotational moment, etc. acting on the roller 33 / rail portion 14 etc. However, the roller 33 does not break down, and the roller 33 smoothly rolls to obtain a light operational feeling. In addition, the vertical arm 13 is simply applied with a force in the front-rear direction, and unnecessary external forces and moments such as twisting, bending, and twisting are not applied, and the upper and lower arm members 21 and 41 and the above-described hanging arm 13 are not affected. The parallel link formed by etc. operates smoothly and lightly.
Further, at the upper and lower intermediate positions where about half of the parallel link to which the largest torsion is applied is swung (see FIGS. 3 and 4), the parallel link is the most stable (side view) deployed state and does not wobble. With this, it is possible to move up and down quickly.

また、上下直線状に昇降する上記吊棚本体2が、上限及び下限にて、衝撃的に停止するのを防ぐための2本のダンパー18,19を、鉛直状に、かつ、後方寄りに配設したので、固定部材10Aがコンパクトで軽量化を図り得ると共に、台所等の用途に於て、邪魔な物体が手前に存在せず、好適な昇降棚が得られる。なお、上限及び下限にて重点的に緩衝を行わせることで、それ以外の上昇作動・降下作動を、軽くスムースに行い得ることとなる。   In addition, two dampers 18 and 19 for preventing the suspension shelf body 2 that moves up and down linearly from stopping at the upper and lower limits are arranged vertically and closer to the rear. Therefore, the fixing member 10A is compact and can be reduced in weight, and in a use such as a kitchen, a disturbing object does not exist in the foreground, and a suitable lifting shelf can be obtained. In addition, by performing buffering intensively at the upper limit and the lower limit, the other ascending and descending operations can be performed lightly and smoothly.

2 吊棚本体
5 側壁
5A 下端縁
10 固定部
11 取手アーム
13 垂下アーム
14 レール部
18,19 ダンパー
21 上アーム部材
21A 先端部
30 上下リニアガイド手段
33 ローラ
41 下アーム部材
41A 先端部
2 Hanging shelf body 5 Side wall 5A Bottom edge
10 Fixed part
11 Handle arm
13 Drooping arm
14 Rail section
18, 19 damper
21 Upper arm member
21A Tip
30 Vertical linear guide means
33 Laura
41 Lower arm member
41A Tip

Claims (2)

固定部(10)と、該固定部(10)に上下リニアガイド手段(30)を介して上下直線状に昇降するように付設された吊棚本体(2)と、手前へ膨出する円弧状軌跡を描いて先端部(21A)(41A)が上下動可能として上記固定部(10)に枢着された上アーム部材(21)(21)と下アーム部材(41)(41)と、上記吊棚本体(2)の側壁(5)(5)の下端縁(5A)(5A)に沿って形成されたレール部(14)(14)と、該レール部(14)(14)に沿って転動可能なローラ(33)と、該ローラ(33)を有すると共に手前へ延伸状の取手アーム(11)と、上記上アーム部材(21)の先端部(21A)及び上記下アーム部材(41)の先端部(41A)を上下枢結しつつ下方ヘ延伸して上記取手アーム(11)に連結固着される垂下アーム(13)とを、具備することを特徴とする昇降棚。   A fixed part (10), a suspension shelf body (2) attached to the fixed part (10) so as to move up and down linearly via an upper and lower linear guide means (30), and an arcuate locus bulging forward The upper arm members (21) and (21) and the lower arm members (41) and (41) pivotally attached to the fixed portion (10) so that the front end portions (21A) and (41A) can move up and down, and the suspension rack Rails (14) (14) formed along the lower edges (5A) (5A) of the side walls (5) (5) of the main body (2), and rolling along the rails (14) (14). A movable roller (33), a handle arm (11) having the roller (33) and extending forward, a tip end portion (21A) of the upper arm member (21), and the lower arm member (41) And a drooping arm (13) that is extended downward and pivotally connected to the handle arm (11) while being vertically connected to the tip end portion (41A). Lifting shelf to do. 上下直線状に昇降する上記吊棚本体(2)が、上限及び下限にて、衝撃的に停止するのを防ぐための2本のダンパー(18)(19)を、鉛直状に、かつ、後方寄りに配設した請求項1記載の昇降棚。   Two dampers (18) and (19) for preventing the suspension shelf body (2) moving up and down linearly from stopping at the upper and lower limits in a vertical manner and closer to the rear The elevating shelf according to claim 1, which is disposed on the top.
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