JP2016182177A

JP2016182177A - Chair

Info

Publication number: JP2016182177A
Application number: JP2015063072A
Authority: JP
Inventors: 能嗣稲垣; Yoshitsugu Inagaki
Original assignee: Marubishi Kogyo KK
Current assignee: Marubishi Kogyo KK
Priority date: 2015-03-25
Filing date: 2015-03-25
Publication date: 2016-10-20
Anticipated expiration: 2035-03-25
Also published as: JP6548420B2

Abstract

PROBLEM TO BE SOLVED: To provide a chair equipped with a seat part adjustment mechanism which is easy to carry and store and is simple in structure.SOLUTION: A chair 1 provided with a seat part adjustment mechanism 6 is portable and easy to store and is simple in structure because the seat part adjustment mechanism 6 comprises: a slide plate 16 which is provided on a support frame 14 slidably in a back and forth direction and integrally has a seat part 7 on an upper surface; a plunger 12 which is integrally provided with the slide plate 16, can protrude and retreat with respect to the support frame 14, and is projectively energized toward the support frame 14 side; and insertion holes 15a to 15c which are provided for the support frame 14 in a back and forth direction and in which the plunger 12 projectively energized can be inserted. Moreover, fixation and release operation of a movement position of the slide plate 16 can be easily performed in the state that a user is seated on the seat part 7.SELECTED DRAWING: Figure 1

Description

本発明は、着座者の座位姿勢に合わせて座部を好適な位置に固定する座部調整機構を備えた椅子に関するものである。 The present invention relates to a chair provided with a seat adjustment mechanism that fixes a seat in a suitable position in accordance with the sitting posture of a seated person.

従来より、座部が移動する座部調整機構を備えた椅子としては、支持脚に設けられた座枠と、この座枠上に設けられる座板に取付けられ、座部を前後にスライド自在に支持するものが知られている（特許文献１）。 Conventionally, as a chair equipped with a seat adjustment mechanism for moving the seat, it is attached to a seat frame provided on a support leg and a seat plate provided on the seat frame so that the seat can be slid forward and backward. What is supported is known (Patent Document 1).

実開平４−４３１４０号公報Japanese Utility Model Publication No. 4-43140

しかしながら、このような座部調整機構を備えた椅子では、座部が前後にスライド自在に支持されており、運搬や保管が便利ではあるものの、構造が複雑であるという問題があった。 However, in a chair provided with such a seat portion adjusting mechanism, the seat portion is slidably supported back and forth, and there is a problem that the structure is complicated although transportation and storage are convenient.

そこで、本発明の目的は、上記従来の座部調整機構を備えた椅子の問題点を解消し、運搬や保管が便利であることに加え、構造が単純な座部調整機構を備えた椅子を提供することにある。 Accordingly, an object of the present invention is to solve the problems of the chair provided with the above-described conventional seat adjustment mechanism, and in addition to being convenient to transport and store, the chair provided with the seat adjustment mechanism having a simple structure. It is to provide.

本発明のうち、請求項１に記載された発明は、前後の支持脚間へ水平に架設される支持枠上に、座部を設けると共に、前記座部を前後方向へスライド可能且つ任意の位置で固定可能とする座部調整機構を備えた椅子であって、
前記座部調整機構は、前記支持枠上で前後方向へスライド可能に設けられて上面に前記座部を一体に有するスライド板と、
前記スライド板と一体に設けられ、前記支持枠に対して出没可能で且つ前記支持枠側へ突出付勢されるプランジャと、
前記支持枠に前後方向へ複数設けられ、突出付勢される前記プランジャが挿入可能な挿入孔と、を含んでなることを特徴とするものである。 Among the present inventions, the invention described in claim 1 is provided with a seat portion on a support frame that is horizontally installed between the front and rear support legs, and can slide the seat portion in the front-rear direction and at any position. A chair with a seat adjustment mechanism that can be fixed with
The seat adjustment mechanism is provided so as to be slidable in the front-rear direction on the support frame, and a slide plate integrally having the seat on the upper surface;
A plunger provided integrally with the slide plate, capable of protruding and retracting with respect to the support frame, and protruding and urged toward the support frame;
The support frame includes a plurality of insertion holes that are provided in the front-rear direction and into which the plunger that is projected and biased can be inserted.

請求項２に記載された発明は、前記スライド板の側部に、前記支持枠の外側に位置する横板を一体に設けて、前記横板に、前記プランジャを外側から直交状に貫通させて取り付けると共に、前記横板の下端に、前記支持枠の下面に係止して前記スライド板の上方への移動を規制する段部を設けたことを特徴とするものである。 According to a second aspect of the present invention, a lateral plate located outside the support frame is integrally provided on a side portion of the slide plate, and the plunger is passed through the lateral plate in an orthogonal manner from the outside. At the same time as mounting, a step portion is provided at the lower end of the horizontal plate so as to be engaged with the lower surface of the support frame to restrict the upward movement of the slide plate.

請求項３に記載された発明は、前記前後の支持脚の下端に、調整脚を着脱可能として、前記調整脚の着脱の選択によって前記座部の高さを調整可能としたことを特徴とするものである。 The invention described in claim 3 is characterized in that an adjustment leg can be attached to and detached from the lower ends of the front and rear support legs, and the height of the seat portion can be adjusted by selecting whether the adjustment leg is attached or detached. Is.

請求項１に記載された発明は、運搬や保管が便利であることに加え、構造が単純である。他にも、座部に座った状態でスライド板の移動位置の固定及び解除操作を容易に行うことができる。 The invention described in claim 1 has a simple structure in addition to convenient transportation and storage. In addition, the movement position of the slide plate can be easily fixed and released while sitting on the seat.

請求項２に記載された発明は、部品点数が少なくて済み、組み立てや取り付けが容易であることからコスト削減に貢献する。他にも、取付後は外部から目立たない構造であり、外観を損なうこともない。 The invention described in claim 2 contributes to cost reduction because the number of parts is small and assembly and mounting are easy. In addition, the structure is inconspicuous from the outside after installation, and the appearance is not impaired.

請求項３に記載された発明は、着座者の座高に合わせた椅子の高さ調整が可能であり、外観を損なうこともない。 The invention described in claim 3 can adjust the height of the chair according to the sitting height of the seated person, and does not impair the appearance.

椅子の側面を示す説明図である。It is explanatory drawing which shows the side surface of a chair. （ａ）は図１のＡ−Ａ断面を示し、（ｂ）はプランジャによるスライド板の固定が解除された状態を示す説明図である。(A) shows the AA cross section of FIG. 1, (b) is explanatory drawing which shows the state by which fixation of the slide plate by the plunger was cancelled | released. （ａ）は椅子の正面を示し、（ｂ）は（ａ）のＢ−Ｂ断面を示す説明図である。(A) shows the front of a chair, (b) is explanatory drawing which shows the BB cross section of (a). （ａ）〜（ｃ）は、着座者の座位姿勢に合わせて座部がスライドした状態を示す説明図である（椅子は省略）。(A)-(c) is explanatory drawing which shows the state which the seat part slid according to the seated person's sitting posture (a chair is abbreviate | omitted). 椅子の変更例を示す説明図である。It is explanatory drawing which shows the example of a change of a chair.

以下、本発明の椅子の一実施形態について、図面に基づいて詳細に説明する。 Hereinafter, one embodiment of a chair of the present invention is described in detail based on a drawing.

図１は、椅子の側面を示す説明図である。図２は、プランジャによるスライド板の固定／固定解除を示す説明図である。図３は、椅子の正面と座部の断面を示す説明図である。図４は、座位姿勢に合わせて座部がスライドした状態を示す説明図である。 Drawing 1 is an explanatory view showing the side of a chair. FIG. 2 is an explanatory diagram showing fixing / unfixing of the slide plate by the plunger. FIG. 3 is an explanatory view showing a cross section of the front surface and the seat portion of the chair. FIG. 4 is an explanatory view showing a state in which the seat is slid in accordance with the sitting posture.

先ず初めに、図１に示すように、座部調整機構６を備えた椅子１は、前後の支持脚４，５間へ水平に架設される支持枠１４上に、座部７を設けると共に、座部７を前後方向へスライド可能且つ任意の位置で固定可能とするものである。
より具体的には、図２（ａ）に示すように、支持枠１４を、スライド板１６と、このスライド板１６の一方の端部に設けられる横板９の段部１０とで保持することで、この支持枠１４上でスライド板１６が前後方向にスライド自在に支持される構造である。また、スライド板１６上には座部７が一体に取り付けられている。
他にも、図３（ａ）に示すように、背板２の枠内には背もたれ３が設けられている。この背もたれ３は、座部７側へ膨出するように湾曲した形状のクッション材である。 First, as shown in FIG. 1, the chair 1 having the seat adjustment mechanism 6 is provided with a seat 7 on a support frame 14 that is horizontally installed between the front and rear support legs 4, 5. The seat portion 7 is slidable in the front-rear direction and can be fixed at an arbitrary position.
More specifically, as shown in FIG. 2A, the support frame 14 is held by the slide plate 16 and the step portion 10 of the horizontal plate 9 provided at one end portion of the slide plate 16. Thus, the slide plate 16 is supported on the support frame 14 so as to be slidable in the front-rear direction. Further, the seat portion 7 is integrally mounted on the slide plate 16.
In addition, a backrest 3 is provided in the frame of the back plate 2 as shown in FIG. The backrest 3 is a cushion material having a curved shape so as to bulge toward the seat 7 side.

次に、座部調整機構６は、横板９の外側に凹部１１が形成され、この凹部１１内に取り付けられたプランジャ１２の突出付勢される先端部１３が、座枠１４に穿設された各係止孔１５（１５ａ〜１５ｃ）の何れかに挿入されることでスライド板１６（座部７）が所定の位置に固定される構造である。これら各係止孔１５ａ〜１５ｃの間隔は約５０ｍｍである。 Next, in the seat adjustment mechanism 6, a recess 11 is formed on the outer side of the horizontal plate 9, and a distal end portion 13 of the plunger 12 attached to the recess 11 to be urged is pierced in the seat frame 14. In addition, the slide plate 16 (seat portion 7) is fixed at a predetermined position by being inserted into any of the locking holes 15 (15a to 15c). The interval between the locking holes 15a to 15c is about 50 mm.

また、図３（ａ）（ｂ）に示すように、座部７は着座面８全体が凹状に形成されたもので、その中でも尻の接触する部分が最も深く形成されており、着座すると身体から受ける圧力を内部に分散するクッション材である。 Further, as shown in FIGS. 3A and 3B, the seat portion 7 is formed so that the entire seating surface 8 is formed in a concave shape, and the portion where the buttocks contacts is formed most deeply. It is a cushioning material that disperses the pressure received from the inside.

このようにして構成される座部調整機構６を備えた椅子１による座部７のスライド及びスライドの固定／固定解除は、以下のように行われる。
先ず初めに、図４（ａ）に示すように、着座者２０が座部７の着座面８上に着座する。そして、図２（ａ）に示すように、この状態から横板９の凹部１１内に取り付けられたプランジャ１２を矢印が示す方向に引き上げる。すると、図２（ｂ）に示すように、支持枠１４の挿入孔１５ｂ内に挿入された突起１３もこれに従って引き上げられることとなり、座部調整機構６による座部７のスライドの固定が解除される。 The slide of the seat 7 and the fixing / unlocking of the slide by the chair 1 having the seat adjusting mechanism 6 configured as described above are performed as follows.
First, as shown in FIG. 4A, the seated person 20 sits on the seating surface 8 of the seat portion 7. Then, as shown in FIG. 2A, the plunger 12 attached in the concave portion 11 of the horizontal plate 9 is pulled up from this state in the direction indicated by the arrow. Then, as shown in FIG. 2 (b), the projection 13 inserted into the insertion hole 15b of the support frame 14 is also pulled up accordingly, and the seat 7 is released from being fixed by the seat adjustment mechanism 6. The

次に、矢印４０が示す方向に座部７を前進させると、着座者２０の上半身は矢印４１が示す方向に倒れることとなる。
そして、プランジャ１２が挿入孔１５ａの位置まで移動したところで、引き上げているプランジャ１２を元の状態に戻すと、図２（ａ）に示すように、挿入孔１５ａ内に突起１３が挿入されることとなり、座部調整機構６によって座部７のスライドが固定される。
一方、この状態から図４（ａ）に示す状態に戻す場合は、これらの手順と逆の手順を行う。 Next, when the seat portion 7 is advanced in the direction indicated by the arrow 40, the upper body of the seated person 20 falls down in the direction indicated by the arrow 41.
When the plunger 12 has moved to the position of the insertion hole 15a and the plunger 12 being lifted is returned to its original state, the projection 13 is inserted into the insertion hole 15a as shown in FIG. Then, the slide of the seat portion 7 is fixed by the seat portion adjusting mechanism 6.
On the other hand, when returning from this state to the state shown in FIG. 4A, procedures reverse to these procedures are performed.

また、図４（ａ）に示す状態から矢印４２が示す方向に座部７を後退させると、着座者２０の上半身は矢印４３が示す方向に起き上がることとなる。
そして、図２（ａ）に示すように、プランジャ１２が挿入孔１５ｃの位置まで移動したところで、引き上げていたプランジャ１２を元の状態に戻すと、挿入孔１５ｃ内に突起１３が挿入されることとなり、座部調整機構６によって座部７のスライドが固定される。
一方、この状態から図４（ａ）に示す状態に戻す場合は、これらの手順と逆の手順を行う。 Further, when the seat portion 7 is retracted from the state shown in FIG. 4A in the direction indicated by the arrow 42, the upper body of the seated person 20 rises in the direction indicated by the arrow 43.
Then, as shown in FIG. 2A, when the plunger 12 has moved to the position of the insertion hole 15c, the protrusion 13 is inserted into the insertion hole 15c when the raised plunger 12 is returned to its original state. Then, the slide of the seat portion 7 is fixed by the seat portion adjusting mechanism 6.
On the other hand, when returning from this state to the state shown in FIG. 4A, procedures reverse to these procedures are performed.

上記の如く構成される座部調整機構６を備えた椅子１は、座部調整機構６は、支持枠１４上で前後方向へスライド可能に設けられて上面に座部７を一体に有するスライド板１６と、スライド板１６と一体に設けられ、支持枠１４に対して出没可能で且つ支持枠１４側へ突出付勢されるプランジャ１２と、支持枠１４に前後方向へ複数設けられ、突出付勢されるプランジャ１２が挿入可能な挿入孔１５ａ〜１５ｃと、を含んでなることにより、運搬や保管が便利であることに加え、構造が単純である。他にも、座部７に座った状態でスライド板１６の移動位置の固定及び解除操作を容易に行うことができる。 The chair 1 provided with the seat adjustment mechanism 6 configured as described above has a seat plate adjustment mechanism 6 that is slidable in the front-rear direction on the support frame 14 and has a seat plate 7 integrally on the upper surface. 16, a slide plate 16 and a plunger 12 which can be projected and retracted with respect to the support frame 14 and are urged to project toward the support frame 14 side. By including the insertion holes 15a to 15c into which the plunger 12 to be inserted can be inserted, the structure is simple in addition to the convenience of transportation and storage. In addition, the movement position of the slide plate 16 can be easily fixed and released while sitting on the seat portion 7.

また、スライド板１６の側部に、支持枠１４の外側に位置する横板９を一体に設けて、横板９に、プランジャ１２を外側から直交状に貫通させて取り付けると共に、横板９の下端に、支持枠１４の下面に係止してスライド板１６の上方への移動を規制する段部１０を設けたことにより、部品点数が少なくて済み、組み立てや取り付けが容易であることからコスト削減に貢献する。他にも、取付後は外部から目立たない構造であり、外観を損なうこともない。 Further, a lateral plate 9 positioned outside the support frame 14 is integrally provided on the side of the slide plate 16, and the plunger 12 is attached to the lateral plate 9 by penetrating from the outside orthogonally. Since the lower end of the step portion 10 that is locked to the lower surface of the support frame 14 to restrict the upward movement of the slide plate 16 is provided at the lower end, the number of parts can be reduced, and assembly and mounting are easy. Contributes to reduction. In addition, the structure is inconspicuous from the outside after installation, and the appearance is not impaired.

なお、本発明にかかる座部調整機構を備えた椅子は、上記した実施の形態に何ら限定されるものではなく、本発明の趣旨を逸脱しない範囲で、挿入孔とプランジャとの位置、椅子の形状や材質、大きさ等を適宜変更することができる。 In addition, the chair provided with the seat adjustment mechanism according to the present invention is not limited to the above-described embodiment, and the position of the insertion hole and the plunger, the position of the chair, and the like are within the scope of the present invention. The shape, material, size, etc. can be changed as appropriate.

例えば、図５（ａ）（ｂ）に示すように、前後の支持脚４，５の下端に、調整脚２５〜２７を図示しないボルトにより着脱可能として、第一調整脚２５や第二調整脚２６，２７の着脱の選択によって座部７の高さを調整可能としたことにより、着座者２０の座高に合わせた椅子１の高さ調整が可能であり、外観を損なうこともない。
この場合、先ず図５（ａ）に示す場合では、支持脚４，４と支持脚５，５との下端に、第一調整脚２５が取り付けられており、椅子１の高さの微調整が可能である。
更に、図５（ｂ）に示す場合では、第一調整脚２５の他に第二調整脚２６，２７が取り付けられており、更に椅子１の高さの調整が可能である。 For example, as shown in FIGS. 5 (a) and 5 (b), the first adjustment leg 25 and the second adjustment leg can be attached to the lower ends of the front and rear support legs 4 and 5, with the adjustment legs 25 to 27 being attachable / detachable with bolts (not shown). By making it possible to adjust the height of the seat portion 7 by selecting whether the seats 26 and 27 are attached or detached, the height of the chair 1 can be adjusted according to the seat height of the seated person 20, and the appearance is not impaired.
In this case, first, in the case shown in FIG. 5 (a), the first adjustment legs 25 are attached to the lower ends of the support legs 4, 4 and the support legs 5, 5, so that the height of the chair 1 can be finely adjusted. Is possible.
Further, in the case shown in FIG. 5B, the second adjustment legs 26 and 27 are attached in addition to the first adjustment leg 25, and the height of the chair 1 can be adjusted.

他にも、横板９は、スライド板１６の端部の一方のみに設けられているが、他方の端部や両方の端部に取り付けても良い。この場合、スライド板１６の固定が一層強固に行われることとなる。 In addition, the horizontal plate 9 is provided only on one end of the slide plate 16, but may be attached to the other end or both ends. In this case, the slide plate 16 is more firmly fixed.

また、挿入孔１５は３つだけである必要はなく、数を増やして支持枠１６のスライドする範囲を広くしたり、挿入孔１５ａ〜１５ｃの３箇所の間に追加してより細かく調整しても良い。更に、各係止孔１５ａ〜１５ｃ同士の間隔は、必ずしも５０ｍｍである必要はなく、１００ｍｍとしても良いし、適宜変更可能である。 The number of the insertion holes 15 need not be only three. The number of the insertion holes 15 need not be increased to widen the range in which the support frame 16 slides, or can be adjusted between the three insertion holes 15a to 15c for finer adjustment. Also good. Furthermore, the interval between the locking holes 15a to 15c is not necessarily 50 mm, and may be 100 mm, and can be changed as appropriate.

１・・椅子、２・・背板、３・・背もたれ、４・・支持脚（前方）、５・・支持脚（後方）、６・・座部調整機構、７・・座部、８・・着座面、９・・横板、１０・・段部、１１・・凹部、１２・・プランジャ、１３・・突起、１４・・支持枠、１５・・挿入孔、１６・・スライド板、２０・・着座者、２５・・第一調整脚、２６・・第二調整脚（前方）、２７・・第二調整脚（後方）、３０・・当接位置、３１・・当接位置、３２・・当接位置。 1 ·· Chair 2 · · Back plate 3 · · Backrest · · · Support leg (front) 5 · · Support leg (rear) 6 · · Seat adjustment mechanism 7 · · Seat portion 8 · · · · Seating surface, 9 ·· Horizontal plate, 10 ·· Step, 11 ·· Recess, 12 ·· Plunger, 13 ·· Projection, 14 ·· Support frame, 15 ·· Insertion hole, 16 ·· Slide plate, 20 .. Seated person, 25 .. First adjustment leg, 26 .. Second adjustment leg (front), 27 .. Second adjustment leg (rear), 30 ..Abutting position, 31 ..Abutting position, 32 ..Contact position.

Claims

The chair is provided with a seat on a support frame that is horizontally installed between the front and rear support legs, and has a seat adjustment mechanism that can be slid in the front-rear direction and fixed at an arbitrary position. And
The seat adjustment mechanism is provided so as to be slidable in the front-rear direction on the support frame, and a slide plate integrally having the seat on the upper surface;
A plunger provided integrally with the slide plate, capable of protruding and retracting with respect to the support frame, and protruding and urged toward the support frame;
A chair comprising a plurality of insertion holes in the support frame that are provided in the front-rear direction and into which the plunger that is projected and biased can be inserted.

A lateral plate located outside the support frame is integrally provided on the side of the slide plate, and the plunger is attached to the lateral plate by penetrating from the outside orthogonally, and at the lower end of the lateral plate, The chair according to claim 1, further comprising a stepped portion that is engaged with a lower surface of the support frame to restrict upward movement of the slide plate.

The chair according to claim 1 or 2, wherein an adjustment leg can be attached to and detached from the lower ends of the front and rear support legs, and the height of the seat portion can be adjusted by selecting whether the adjustment leg is attached or detached.