JP6687340B2 - Support leg - Google Patents
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- JP6687340B2 JP6687340B2 JP2015142735A JP2015142735A JP6687340B2 JP 6687340 B2 JP6687340 B2 JP 6687340B2 JP 2015142735 A JP2015142735 A JP 2015142735A JP 2015142735 A JP2015142735 A JP 2015142735A JP 6687340 B2 JP6687340 B2 JP 6687340B2
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Description
本発明は、テーブルの天板などの対象物を支持する支持脚に関する。 The present invention relates to a support leg that supports an object such as a tabletop.
例えば、テーブルの天板を支持する支持脚には、ダイカストなどの鋳造法により形成されたものがある(例えば、特許文献1参照)。ダイカストは、金属管などを加工して支持脚を製造する場合に比べ、デザインの自由度が高く、肉厚を部分的に変えることもできるなどの利点を有する。 For example, some support legs that support the top plate of a table are formed by a casting method such as die casting (see, for example, Patent Document 1). Die casting has advantages in that it has a higher degree of freedom in design and can be partially changed in wall thickness, compared with the case of manufacturing a supporting leg by processing a metal tube or the like.
しかし、支持脚全体をダイカストなどの鋳造法により製造すると、金型が大きくなり、コスト高となる。更に、金属管などの加工により製造された支持脚に比べて重量が大きくなる傾向がある。一方、支持脚全体を金属管とすると、軽量化、コストの低減を図ることができるものの、金属管の形状により、強度やデザインの上の制約を受ける場合がある。 However, if the entire support leg is manufactured by a casting method such as die casting, the size of the mold becomes large and the cost becomes high. Further, the weight tends to be larger than that of a supporting leg manufactured by processing a metal tube or the like. On the other hand, if the entire support leg is made of a metal tube, weight reduction and cost reduction can be achieved, but the shape of the metal tube may restrict the strength and design.
本発明は、上記問題点を解決するためになされたものであり、その目的は、強度やデザインの自由度を維持しつつ軽量化及びコストの低減を図ることのできる支持脚を提供することにある。 The present invention has been made to solve the above problems, and an object thereof is to provide a supporting leg capable of reducing weight and cost while maintaining strength and freedom of design. is there.
上記課題を解決する支持脚は、上端部に複数の連結部を有する下側脚部と、貫通孔又は溝部を有する支柱を複数有し、前記連結部に接続する上側脚部と、前記上側脚部を対象物に接続する脚取付部とを備える。上記構成によれば、支持脚の一部を貫挿孔又は溝部を有する支柱から構成するため、例えば支持脚全体を鋳造品とする場合に比べ、支持脚の軽量化及びコストの低減を図ることができる。また、支持脚の一部にのみ支柱を設ける構成としたので、支柱以外の部分においては、強度及びデザインの自由度を維持できる。 A support leg for solving the above problem has a lower leg portion having a plurality of connecting portions at an upper end portion, a plurality of columns having a through hole or a groove portion, an upper leg portion connected to the connecting portion, and the upper leg portion. And a leg attachment portion that connects the portion to an object. According to the above configuration, a part of the support leg is composed of a column having a through hole or a groove, so that the weight and cost of the support leg can be reduced as compared with, for example, a case where the entire support leg is a cast product. You can Further, since the support columns are provided only on a part of the support legs, the strength and design flexibility can be maintained in the portions other than the support columns.
上記支持脚について、前記支柱は、前記脚取付部を介して前記貫通孔又は前記溝部に挿通された締結部材により前記下側脚部に固定されることが好ましい。上記構成によれば、支柱は、下側脚部に設けられた連結部への接続に加え、脚取付部を介して挿通された締結部材により下側脚部に固定される。このため、支柱を、下側脚部と脚取付部とに強固に固定することができる。 With respect to the support leg, it is preferable that the support column is fixed to the lower leg portion by a fastening member that is inserted into the through hole or the groove portion through the leg attachment portion. According to the above configuration, in addition to being connected to the connecting portion provided on the lower leg portion, the support column is fixed to the lower leg portion by the fastening member inserted through the leg mounting portion. Therefore, the column can be firmly fixed to the lower leg portion and the leg attachment portion.
上記支持脚について、前記上側脚部は、複数の前記支柱の端部が取り付けられる支柱取付部を上端部に備え、前記脚取付部は、前記支柱取付部を異なる角度で取付可能な取付孔を有することが好ましい。上記構成によれば、上側脚部を固定する支柱取付部は、脚取付部に対して異なる角度で取り付けられるので、支持脚を備える家具などの用途に応じて、支持脚を所望の向きで取り付けることができる。 With respect to the support leg, the upper leg portion includes a column mounting portion to which the ends of the plurality of columns are mounted at the upper end portion, and the leg mounting portion has mounting holes capable of mounting the column mounting portion at different angles. It is preferable to have. According to the above configuration, since the column mounting portion that fixes the upper leg portion is mounted at a different angle with respect to the leg mounting portion, the supporting leg is mounted in a desired direction according to the application such as furniture including the supporting leg. be able to.
上記支持脚について、前記下側脚部は、前記支柱の延在方向に突出し前記支柱を支持する突出部を備え、前記支柱を連結する前記連結部は当該突出部の上側に設けられていることが好ましい。上記構成によれば、下側脚部の突出部により、支柱の下部を補強することができる。また、支柱及び突出部からなる細長状の部分の途中に、支柱と下側脚部との連結部が設けられるので、細長状の部分の下端に連結部を設けるよりも強度を高めることができる。 With respect to the support leg, the lower leg portion includes a protrusion that protrudes in the extending direction of the pillar and supports the pillar, and the connecting portion that connects the pillar is provided above the protrusion. Is preferred. According to the above configuration, the lower portion of the column can be reinforced by the protruding portion of the lower leg portion. Further, since the connecting portion between the support pillar and the lower leg portion is provided in the middle of the elongated portion including the support pillar and the protruding portion, it is possible to enhance the strength as compared with the case where the connecting portion is provided at the lower end of the elongated portion. .
上記支持脚について、前記上側脚部は鉛直方向に沿って延在し、前記下側脚部は、鉛直方向と交差する方向に延在することが好ましい。上記構成によれば、支持脚を湾曲した形状又は屈曲した形状とする場合、下側脚部を鉛直方向に対して交差させる方向に湾曲又は屈曲させるので、上側脚部を簡単な構成とすることができる。 Regarding the support leg, it is preferable that the upper leg portion extends along a vertical direction and the lower leg portion extends in a direction intersecting the vertical direction. According to the above configuration, when the support leg is curved or bent, the lower leg is bent or bent in a direction intersecting the vertical direction, so that the upper leg has a simple structure. You can
本発明の支持脚によれば、強度やデザインの自由度を維持しつつ軽量化及びコストの低減を図ることができる。 According to the support leg of the present invention, weight reduction and cost reduction can be achieved while maintaining strength and freedom of design.
以下、図1〜図7を参照して、支持脚をテーブルに適用した一実施形態について説明する。
図1に示すように、テーブル10は、長方形状の天板11と、天板11の下面に取り付けられた4つの支持脚15とを備えている。支持脚15は、脚部20を備え、脚部20は、下側脚部21と、下側脚部21の鉛直方向上方に連結された上側脚部22とを有している。上側脚部22は、鉛直方向に沿って延在し、下側脚部21は、上端部から下端部にかけてテーブル10の外側に向かって斜めに延びている。なお、「鉛直方向」とは、天板11の上面及び下面に対して直交する方向であり、「水平方向」は、天板11の上面及び下面と平行な方向である。
Hereinafter, an embodiment in which a support leg is applied to a table will be described with reference to FIGS.
As shown in FIG. 1, the table 10 includes a rectangular top plate 11 and four support legs 15 attached to the lower surface of the top plate 11. The support leg 15 includes a leg portion 20, and the leg portion 20 has a lower leg portion 21 and an upper leg portion 22 connected to the lower leg portion 21 in the vertical direction. The upper leg portion 22 extends along the vertical direction, and the lower leg portion 21 extends obliquely toward the outside of the table 10 from the upper end portion to the lower end portion. The “vertical direction” is a direction orthogonal to the top and bottom surfaces of the top plate 11, and the “horizontal direction” is a direction parallel to the top and bottom surfaces of the top plate 11.
図2に示すように、天板11の下面には、天板11の長手方向に沿って延びる1対の突条12が設けられている。それらの突条12の間であって、突条12の一方の端部側と他方の端部側には、細長状のブラケット13がそれぞれ設けられている。ブラケット13は、脚取付部14を2つ備えている。脚取付部14は、支持脚15の一部を構成する。一つの脚取付部14には、1本の脚部20が取り付けられる。脚部20は、天板11の角部16から中心に向かってオフセットされた位置に固定されている。 As shown in FIG. 2, a pair of protrusions 12 extending along the longitudinal direction of the top plate 11 is provided on the lower surface of the top plate 11. Elongated brackets 13 are provided between the protrusions 12 on one end side and the other end side of the protrusions 12, respectively. The bracket 13 includes two leg mounting portions 14. The leg attachment portion 14 constitutes a part of the support leg 15. One leg portion 20 is attached to one leg attachment portion 14. The leg portion 20 is fixed at a position offset from the corner portion 16 of the top plate 11 toward the center.
脚部20は、脚取付部14に対する取付角度を変更することにより、下側脚部21の向きを変更することができる。例えば図2では、一つのブラケット13に設けられた1対の脚部20は、それらの下側脚部21の延在方向がなす角度θ1が、例えば120度など、180度以下の所定角度となるように取り付けられている。 The leg portion 20 can change the orientation of the lower leg portion 21 by changing the attachment angle with respect to the leg attachment portion 14. For example, in FIG. 2, the pair of leg portions 20 provided on one bracket 13 has an angle θ1 formed by the extending directions of the lower leg portions 21 that is a predetermined angle of 180 degrees or less, such as 120 degrees. Is installed.
また、図3に示すように、1つのブラケット13に設けられる1対の脚部20は、それらの下側脚部21の延在方向が同一面内となるように取り付けることも可能である。このとき、1対の脚部20の下側脚部21は、ブラケット13の長手方向と平行に延びる。1対の脚部20を、下側脚部21の延在方向が180度未満の角度をなすように設ける場合(図2参照)は、1対の脚部20の下側脚部21が平行である場合(図3参照)に比べ、天板11の長辺側のスペースが拡大される。このため、長辺側にのみユーザが着座する場合に適している。また、1対の脚部20の下側脚部21を平行とすると、天板11の短辺側にもユーザが着座しやすくなる。 Further, as shown in FIG. 3, the pair of leg portions 20 provided on one bracket 13 can be attached so that the extending directions of the lower leg portions 21 are in the same plane. At this time, the lower leg portions 21 of the pair of leg portions 20 extend parallel to the longitudinal direction of the bracket 13. When the pair of legs 20 is provided such that the extending direction of the lower legs 21 forms an angle of less than 180 degrees (see FIG. 2), the pair of lower legs 21 of the legs 20 are parallel to each other. In comparison with the case (see FIG. 3), the space on the long side of the top plate 11 is enlarged. Therefore, it is suitable when the user sits only on the long side. If the lower legs 21 of the pair of legs 20 are parallel, the user can easily sit on the short side of the top plate 11.
次に、図4〜図6を参照して、支持脚15について詳述する。
図4に示すように、下側脚部21の下端部には、アジャスタ24が設けられている。下側脚部21は、アルミニウムなどの金属単体、又はアルミニウム合金、亜鉛合金、銅合金、マグネシウム合金などの合金からなり、金型に溶融した金属を圧入するダイカストにより製造されている。下側脚部21は、その上端部と下端部との間で湾曲し、湾曲した部分から下端部にかけて斜めに延びている。また、下側脚部21は、延在方向に対して直交する方向の長さである幅Hが、下端部に向かうにつれて次第に狭くなっている。また、下側脚部21の上端部には、上側脚部22を支持する台座となる1対の突出部26が設けられ、突出部26の間には間隙が設けられている。突出部26の上側からは、連結部27が突出している。連結部27は、上面に湾曲面を有する四角柱状に形成され、この湾曲面の底部には1つの連結孔28が形成されている。連結孔28の内側面には、雌螺子が形成されている。
Next, the support leg 15 will be described in detail with reference to FIGS.
As shown in FIG. 4, an adjuster 24 is provided at the lower end of the lower leg 21. The lower leg 21 is made of a simple metal such as aluminum or an alloy such as an aluminum alloy, a zinc alloy, a copper alloy, and a magnesium alloy, and is manufactured by die casting in which a molten metal is press-fitted. The lower leg 21 is curved between its upper end and lower end, and extends obliquely from the curved portion to the lower end. Further, the lower leg 21 has a width H, which is a length in a direction orthogonal to the extending direction, gradually narrows toward the lower end. In addition, a pair of protrusions 26 serving as a pedestal that supports the upper leg 22 is provided at the upper end of the lower leg 21, and a gap is provided between the protrusions 26. The connecting portion 27 projects from the upper side of the projecting portion 26. The connecting portion 27 is formed in a quadrangular prism shape having a curved surface on the upper surface, and one connecting hole 28 is formed at the bottom of the curved surface. A female screw is formed on the inner surface of the connecting hole 28.
上側脚部22は、2つの支柱30を備えている。支柱30は、金属管であって、アルミニウム、銅などの金属単体、又はアルミニウム合金、ステンレス、銅合金などの合金からなる。支柱30は、略四角筒状に形成され、その内側に両端で開口する貫通孔32を有している。支柱30の一方の端部には、下側脚部21の連結部27が内嵌され、支柱30の他方の端部は、1枚の支柱取付部31を介してブラケット13側に取り付けられる。 The upper leg 22 includes two columns 30. The column 30 is a metal tube and is made of a simple metal such as aluminum or copper, or an alloy such as aluminum alloy, stainless steel, or copper alloy. The support column 30 is formed in a substantially rectangular tube shape, and has a through hole 32 that is open at both ends inside thereof. The connecting portion 27 of the lower leg portion 21 is fitted into one end of the support column 30, and the other end of the support column 30 is attached to the bracket 13 side via one support attachment portion 31.
支柱取付部31は、略円盤状に形成され、支柱30を取り付ける取付面には、支柱30の他方の端部を内嵌する嵌合部37が2箇所に設けられている。嵌合部37の内側には、支柱30に貫挿される貫挿ボルト35を通すための挿通孔33が設けられている。挿通孔33は、支柱取付部31の円形状の面の中心に対して対称となる位置にそれぞれ設けられている。貫挿ボルト35の長さは、支柱よりも長く、その外周面には雄螺子が形成されている。また、支柱取付部31には、支柱取付部31をブラケット13に固定するためのボルト49を締結するための第1締結孔34が形成されている。第1締結孔34も、支柱取付部31の円形状の面の中心に対して対称となる位置にそれぞれ設けられている。 The column mounting portion 31 is formed in a substantially disc shape, and the mounting surface to which the column 30 is attached is provided with two fitting portions 37 into which the other end of the column 30 is fitted. Inside the fitting portion 37, an insertion hole 33 for inserting the penetration bolt 35 that is inserted through the support column 30 is provided. The insertion holes 33 are provided at positions symmetrical with respect to the center of the circular surface of the column mounting portion 31. The length of the penetration bolt 35 is longer than that of the column, and a male screw is formed on the outer peripheral surface thereof. Further, the pillar mounting portion 31 is formed with a first fastening hole 34 for fastening a bolt 49 for fixing the pillar mounting portion 31 to the bracket 13. The first fastening holes 34 are also provided at positions symmetrical with respect to the center of the circular surface of the column mounting portion 31.
ブラケット13の脚取付部14には、支柱取付部31を取り付けるための3対の第2締結孔40と、貫挿ボルト35を通すための3対の取付孔41とが設けられている。3対の取付孔41のうち、いずれか1対を選択することによって、支柱取付部31を回動させて、脚部20の向きを変更させて固定する。 The leg mounting portion 14 of the bracket 13 is provided with three pairs of second fastening holes 40 for mounting the column mounting portion 31 and three pairs of mounting holes 41 for passing the penetration bolt 35. By selecting any one of the three pairs of mounting holes 41, the support column mounting portion 31 is rotated to change the orientation of the leg portion 20 and fix the leg portion 20.
図5に示すように、下側脚部21は、その内側に凹部47が形成されることで軽量化されている。凹部47の中央には、下側脚部21を補強するためのリブ48が形成されている。また、下側脚部21の下端に設けられた孔46には、アジャスタ24に支持されたボルト29が螺合されている。支柱30は、一方の端部を下側脚部21の連結部27に外嵌し、他方の端部を支柱取付部31の嵌合部37に外嵌することにより支柱取付部31に固定される。このように支柱30と下側脚部21とを連結する連結部27は露出されないので、見栄えをよくすることができる。 As shown in FIG. 5, the lower leg portion 21 is lightened by forming a recess 47 inside thereof. A rib 48 for reinforcing the lower leg 21 is formed in the center of the recess 47. A bolt 29 supported by the adjuster 24 is screwed into a hole 46 provided at the lower end of the lower leg portion 21. The pillar 30 is fixed to the pillar mounting portion 31 by fitting one end of the pillar 30 to the connecting portion 27 of the lower leg portion 21 and the other end of the pillar 30 to the fitting portion 37 of the pillar mounting portion 31. It In this way, since the connecting portion 27 that connects the support column 30 and the lower leg portion 21 is not exposed, the appearance can be improved.
また、脚部20を、ブラケット13の脚取付部14に対して所望の向きで当接させ、ブラケット13の裏面側から、1対の貫挿ボルト35を脚取付部14の取付孔41に通す。さらに、貫挿ボルト35を、支柱取付部31の挿通孔33、支柱30の貫通孔32、下側脚部21の連結孔28に順に通し、貫挿ボルト35の雄螺子を連結孔28の雌螺子に螺合する。このとき、貫挿ボルト35の先端を、下側脚部21の連結部27に設けられた湾曲面に当接させることによって、この湾曲面の底部に設けられた連結孔28に貫挿ボルト35の先端を容易に導くことができる。また、支柱取付部31の第1締結孔34と、脚取付部14の第2締結孔40とにボルト49が締結される。これにより、脚部20がブラケット13に対して取り付けられる。下側脚部21及び上側脚部22を連結したとき、支柱30及び下側脚部21の突出部26は、ブラケット13側から下方に延びる細長状の支持部38を構成する。1対の支持部38の間には間隙39が設けられる。 Further, the leg portion 20 is brought into contact with the leg mounting portion 14 of the bracket 13 in a desired direction, and the pair of penetration bolts 35 are passed through the mounting hole 41 of the leg mounting portion 14 from the rear surface side of the bracket 13. . Further, the penetration bolt 35 is sequentially passed through the insertion hole 33 of the strut mounting portion 31, the through hole 32 of the strut 30, and the connection hole 28 of the lower leg portion 21, and the male screw of the penetration bolt 35 is inserted into the female hole of the connection hole 28. Screw on the screw. At this time, the tip of the penetration bolt 35 is brought into contact with the curved surface provided on the connecting portion 27 of the lower leg portion 21 so that the penetration bolt 35 is inserted into the connecting hole 28 provided at the bottom of the curved surface. The tip of can be easily guided. Further, bolts 49 are fastened to the first fastening holes 34 of the column mounting portion 31 and the second fastening holes 40 of the leg mounting portion 14. As a result, the leg portion 20 is attached to the bracket 13. When the lower leg 21 and the upper leg 22 are connected, the column 30 and the protrusion 26 of the lower leg 21 form an elongated support portion 38 extending downward from the bracket 13 side. A gap 39 is provided between the pair of support portions 38.
また、下側脚部21の延在方向と、上側脚部22の支柱30の延在方向である鉛直方向とがなす角度θ2は、90度超180度未満である。また、2つの支柱30を含む面を、鉛直方向Zと水平方向Xとに平行なZ−X面とするとき、下側脚部21は、Z−X面に含まれる。すなわち、下側脚部21の延在方向は、2本の支柱30が並ぶ面と平行である。 The angle θ2 formed by the extending direction of the lower leg 21 and the vertical direction that is the extending direction of the support 30 of the upper leg 22 is more than 90 degrees and less than 180 degrees. Further, when the plane including the two columns 30 is a ZX plane parallel to the vertical direction Z and the horizontal direction X, the lower leg portion 21 is included in the ZX plane. That is, the extending direction of the lower leg portion 21 is parallel to the surface where the two columns 30 are arranged.
次に、支持脚15の作用について説明する。
図5に示すように、上側脚部22を構成する支柱30は、金属管からなるため、支持脚全体をダイカストにより製造する場合よりも支持脚15が軽量となる。一方、支持脚15の一部である下側脚部21はダイカストにより製造されるため、デザインの自由度を高めるとともに、支持脚15全体をダイカストにより製造する場合に比べて金型を小さくすることができる。さらに、支柱30を下側脚部21によって下方から支持する構造とすることにより、例えば支持脚15を支柱30のみから構成する場合に比べ、強度を高めることができる。また、金属管からなる上側脚部22とダイカスト品である下側脚部21とを上下に連結するため、金属管とダイカスト品とを略T字状に組み合わせたりする場合に比べ、支持脚15をスリムな形状とすることができる。このため、優れた外観とするとともに、ユーザの着座や退座などといった動作を極力妨げないようにすることができる。
Next, the operation of the support leg 15 will be described.
As shown in FIG. 5, since the support column 30 that constitutes the upper leg portion 22 is made of a metal tube, the support leg 15 is lighter than when the entire support leg is manufactured by die casting. On the other hand, since the lower leg portion 21 which is a part of the support leg 15 is manufactured by die casting, the degree of freedom in design is increased and the mold is made smaller than when the entire support leg 15 is manufactured by die casting. You can Furthermore, by providing a structure in which the support column 30 is supported from below by the lower leg portion 21, for example, strength can be increased as compared with the case where the support leg 15 is composed of only the support column 30. Further, since the upper leg portion 22 made of a metal pipe and the lower leg portion 21 which is a die cast product are vertically connected, the support leg 15 is different from the case where the metal pipe and the die cast product are combined in a substantially T shape. Can have a slim shape. For this reason, it is possible to obtain an excellent appearance and to prevent the movement of the user such as sitting or leaving the seat as much as possible.
また、下側脚部21の突出部26は、支持部38の一部として支柱30を下方から支持する。また、下側脚部21及び上側脚部22の連結部分は、支持部38の下端部よりも鉛直方向上方にある。すなわち、天板11の揺れなどによって水平方向にも荷重が加わる支持部38の下端と、比較的脆弱である下側脚部21及び上側脚部22の連結部分とを異なる位置に設けることができるので、支持脚15の強度を高めることができる。また、下側脚部21は、2つの支柱30と同じ面に含まれるように設けられる。下側脚部21に上方から加えられた荷重は、下側脚部21に対し、2つの支柱30を含む面内において下側脚部21の延在方向とは逆の方向に傾動させるように作用する。支柱30は、下側脚部21と同一面内において、下側脚部21と脚取付部14との間で下側脚部21が傾かないように支持することができる。 The protrusion 26 of the lower leg 21 supports the support column 30 from below as a part of the support 38. The connecting portion between the lower leg 21 and the upper leg 22 is vertically above the lower end of the support 38. That is, the lower end of the support portion 38 to which a load is applied also in the horizontal direction due to the shaking of the top plate 11 and the connecting portion of the lower leg portion 21 and the upper leg portion 22, which are relatively fragile, can be provided at different positions. Therefore, the strength of the support leg 15 can be increased. Further, the lower leg portion 21 is provided so as to be included in the same surface as the two columns 30. The load applied to the lower leg portion 21 from above causes the lower leg portion 21 to tilt in a direction opposite to the extending direction of the lower leg portion 21 in the plane including the two columns 30. To work. The column 30 can be supported in the same plane as the lower leg 21 so that the lower leg 21 does not tilt between the lower leg 21 and the leg mounting portion 14.
図6に示すように、ブラケット13の脚取付部14に形成された3対の取付孔41は、同じ円周上に形成されている。3対の取付孔41は、1対の第1取付孔51と、第1取付孔51に対して反時計回り方向に離れた位置に設けられた1対の第2取付孔52と、第1取付孔51に対して時計回り方向に離れた位置に設けられた1対の第3取付孔53とに分けられる。すなわち、脚部20は、脚取付部14に対して3つの取付角度で取り付けることが可能である。 As shown in FIG. 6, the three pairs of mounting holes 41 formed in the leg mounting portion 14 of the bracket 13 are formed on the same circumference. The three pairs of mounting holes 41 include a pair of first mounting holes 51, a pair of second mounting holes 52 provided at positions separated from the first mounting hole 51 in the counterclockwise direction, and a first pair of mounting holes 51. It is divided into a pair of third mounting holes 53 provided in a position separated from the mounting hole 51 in the clockwise direction. That is, the leg portion 20 can be attached to the leg attachment portion 14 at three attachment angles.
1対の支持脚15を、その下側脚部21の延在方向がブラケット13の長手方向と平行となるように設けるとき(図3参照)、第1取付孔51と、支柱取付部31の挿通孔33とを一致させる。そして、貫挿ボルト35を、位置を一致させた挿通孔33及び第1取付孔51に通す。また、1対の支持脚15を、その下側脚部21の延在方向がブラケット13の長手方向と交差するように設けるとき(図6参照)、第2取付孔52と支柱取付部31の挿通孔33とを一致させるか、又は、第3取付孔53と支柱取付部31の挿通孔33とを一致させる。第2取付孔52及び第3取付孔53のいずれを挿通孔33と一致させるかは、天板11に対する脚部20の位置に応じて選択すればよい。このように脚取付部14に対する脚部20の角度を変更可能とすることにより、脚部20をテーブルの用途に合わせた向きで取り付けることができる。 When the pair of support legs 15 are provided so that the extending direction of the lower leg portions 21 thereof is parallel to the longitudinal direction of the bracket 13 (see FIG. 3), the first mounting hole 51 and the column mounting portion 31 The insertion holes 33 are aligned. Then, the penetration bolt 35 is passed through the insertion hole 33 and the first mounting hole 51 whose positions are matched. Further, when the pair of support legs 15 are provided so that the extending direction of the lower leg portions 21 thereof intersects with the longitudinal direction of the bracket 13 (see FIG. 6), the second mounting hole 52 and the column mounting portion 31 are provided. The insertion holes 33 are made to coincide with each other, or the third attachment holes 53 and the insertion holes 33 of the support column attachment portion 31 are made to coincide with each other. Which of the second mounting hole 52 and the third mounting hole 53 is made to coincide with the insertion hole 33 may be selected according to the position of the leg portion 20 with respect to the top plate 11. By allowing the angle of the leg portion 20 with respect to the leg attaching portion 14 to be changed in this manner, the leg portion 20 can be attached in an orientation suitable for the purpose of the table.
以上説明したように、上記実施形態によれば、以下に列挙する効果が得られるようになる。
(1)支持脚15の一部を支柱30から構成するため、例えば支持脚全体をダイカスト品とする場合に比べ、支持脚15の軽量化を図ることができる。また、支持脚15の一部にのみ支柱30を設ける構成としたので、支柱30以外の部分においてデザインの自由度を維持できる。
As described above, according to the above embodiment, the effects listed below can be obtained.
(1) Since a part of the support leg 15 is composed of the support column 30, it is possible to reduce the weight of the support leg 15 as compared with, for example, a case where the entire support leg is a die-cast product. Moreover, since the support columns 30 are provided only on a part of the support legs 15, the degree of freedom in design can be maintained in the portions other than the support columns 30.
(2)支柱30は、下側脚部21に設けられた連結部27への接続に加え、脚取付部14を介して挿通された貫挿ボルト35により下側脚部21に固定される。このため、支柱30を、下側脚部21と脚取付部14とに強固に固定することができる。 (2) The support column 30 is fixed to the lower leg portion 21 by a through bolt 35 inserted through the leg mounting portion 14 in addition to the connection to the connecting portion 27 provided on the lower leg portion 21. Therefore, the column 30 can be firmly fixed to the lower leg portion 21 and the leg mounting portion 14.
(3)複数の支柱30が取り付けられる支柱取付部31は、脚取付部14に対して異なる角度で取り付けられるので、テーブル10の用途に応じて、支持脚15を所望の向きで取り付けることができる。 (3) Since the pillar mounting portions 31 to which the plurality of pillars 30 are mounted are mounted at different angles with respect to the leg mounting portions 14, the support legs 15 can be mounted in a desired orientation depending on the application of the table 10. .
(4)下側脚部21の突出部26と支柱30とを接続することにより、支柱30を補強することができる。また、支柱30及び突出部26からなる細長状の支持部38の途中に、支柱30と下側脚部21との連結部27が設けられるので、支持部38の下端に連結部を設けるよりも強度を高めることができる。 (4) The pillar 30 can be reinforced by connecting the protrusion 26 of the lower leg 21 and the pillar 30. Further, since the connecting portion 27 between the supporting column 30 and the lower leg portion 21 is provided in the middle of the elongated support portion 38 including the support column 30 and the protruding portion 26, it is more preferable to provide the connecting portion at the lower end of the support portion 38. Strength can be increased.
(5)湾曲した支持脚15において、下側脚部21を鉛直方向に対して交差する方向に延在させるので、上側脚部22を簡単な構成とすることができる。
なお、上記各実施形態は、以下のように適宜変更して実施することもできる。
(5) In the curved support leg 15, since the lower leg portion 21 extends in the direction intersecting the vertical direction, the upper leg portion 22 can have a simple structure.
In addition, each of the above-described embodiments may be appropriately modified and implemented as follows.
・図7に示すように、下側脚部21は、支柱30の延在方向と平行に延びる形状であってもよい。或いは、支柱30の延在方向に対して鋭角に屈曲する形状でもよく、他の形状であってもよい。 As shown in FIG. 7, the lower leg portion 21 may have a shape extending parallel to the extending direction of the support column 30. Alternatively, it may have a shape that is bent at an acute angle with respect to the extending direction of the column 30, or may have another shape.
・図8に示すように、下側脚部21は、上端部から2つに分岐する形状であってもよい。下側脚部21は、1対の分岐部61を備え、分岐部61の下端には、アジャスタ24が設けられている。この態様においても、上側脚部22にのみ支柱30を設けることによって、支持脚15を軽量化することができる。 As shown in FIG. 8, the lower leg portion 21 may have a shape branched from the upper end portion into two. The lower leg portion 21 includes a pair of branch portions 61, and an adjuster 24 is provided at the lower end of the branch portions 61. Also in this aspect, the support leg 15 can be reduced in weight by providing the support column 30 only on the upper leg portion 22.
・支柱30は、例えば、円筒状、三角柱状など略四角筒状以外の形状であってもよい。
・下側脚部21を、ダイカスト品としたが、砂を用いて作成された型に溶融した金属を流し込む砂型鋳造、金型に溶融した金属を流し込む金型鋳造など、その他の鋳造法により製造したものとしてもよい。
The support column 30 may have a shape other than the substantially square tube shape, such as a cylindrical shape and a triangular prism shape.
The lower leg 21 is a die cast product, but is manufactured by other casting methods such as sand casting in which molten metal is poured into a mold made of sand, die casting in which molten metal is poured into a mold. It may be done.
・脚取付部14の3対の取付孔41は、同じ円周上に形成されているとしたが、脚部20を異なる角度で取り付けることができれば、同じ円周上に形成されていなくてもよい。
・下側脚部21と上側脚部22との連結部分を溶接するなど、下側脚部21と上側脚部22との連結部分において高い強度を確保できる場合には、支柱30を支持する突出部26や連結部27を省略してもよい。
-Three pairs of mounting holes 41 of the leg mounting portion 14 are formed on the same circumference, but if the legs 20 can be mounted at different angles, they may not be formed on the same circumference. Good.
When the connecting portion between the lower leg portion 21 and the upper leg portion 22 can secure high strength, for example, by welding the connecting portion between the lower leg portion 21 and the upper leg portion 22, a protrusion for supporting the support column 30. The part 26 and the connecting part 27 may be omitted.
・上記実施形態では、下側脚部21を、2つの支柱30が含まれる面に含まれるように延在させた。これ以外に、下側脚部21の延在方向を、2つの支柱30が含まれる面に直交する方向、又はこの面に対して鋭角をなす方向にしてもよい。 -In above-mentioned embodiment, the lower leg part 21 was extended so that it might be contained in the surface in which the two pillars 30 are contained. Other than this, the extending direction of the lower leg portion 21 may be a direction orthogonal to the surface including the two columns 30 or a direction forming an acute angle with respect to this surface.
・上記実施形態では、支持脚15を、脚取付部14に対して3つの取付角度で脚部20を取り付け可能な構成とした。これ以外に、脚部20を脚取付部14に対して3つ以外の複数の取付角度で取り付け可能な構造であってもよいし、脚部20を脚取付部14に対して一つの取付角度で取り付けられるものであってもよい。 In the above-described embodiment, the support leg 15 is configured so that the leg portion 20 can be attached to the leg attachment portion 14 at three attachment angles. In addition, the leg 20 may be attached to the leg attaching portion 14 at a plurality of attaching angles other than three, or the leg 20 may be attached to the leg attaching portion 14 at one attaching angle. It may be attached by.
・上記実施形態では、支柱30を、内側に挿通された貫挿ボルト35によって、脚取付部14及び下側脚部21に固定したが、これ以外の構成により、支柱30を脚取付部14及び下側脚部21に固定してもよい。例えば、支柱30を円筒状に形成するとともに、その下端部の外周面に雄螺子を設け、支柱30を下側脚部21に設けられた雌螺子に螺合してもよい。 -In the said embodiment, although the support | pillar 30 was fixed to the leg attachment part 14 and the lower leg part 21 by the penetration bolt 35 penetrated inside, the support | pillar 30 is attached to the leg attachment part 14 and the lower leg part 21 by other structures. You may fix to the lower leg part 21. For example, the pillar 30 may be formed in a cylindrical shape, a male screw may be provided on the outer peripheral surface of the lower end portion of the pillar 30, and the pillar 30 may be screwed into a female screw provided on the lower leg portion 21.
・上記実施形態では、支柱30を、金属材から形成したが、脚部20としての強度が確保できれば樹脂材から形成してもよい。
・上記実施形態では、支柱30を四角筒状としたが、上側脚部22を構成する支柱は、断面H字状、断面I字状、断面L字状など、その側面に溝部を有する形状であってもよい。この態様においては、支柱の溝部に貫挿ボルトが挿通されることにより、支柱を補強するとともに、支柱を下側脚部21及び脚取付部14に固定する。
In the above-described embodiment, the support column 30 is made of a metal material, but may be made of a resin material as long as the strength of the leg portion 20 can be secured.
In the above-described embodiment, the support column 30 has a square tubular shape, but the support column forming the upper leg 22 has a shape having a groove on its side surface, such as an H-shaped section, an I-shaped section, and an L-shaped section. It may be. In this aspect, the penetration bolt is inserted into the groove portion of the column to reinforce the column and fix the column to the lower leg portion 21 and the leg attachment portion 14.
・上記実施形態では、支持脚を、テーブルに適用したが、椅子、ソファ、床面に接地するタイプの照明器具、デスク、チェストなどの家具に適用してもよい。また、什器など、家具以外の対象物に適用してもよい。 In the above embodiment, the support leg is applied to the table, but may be applied to a chair, a sofa, a lighting device of a type grounded on the floor, a desk, a furniture such as a chest. Moreover, you may apply to objects other than furniture, such as furniture.
10…テーブル、11…天板、13…ブラケット、14…脚取付部、15…支持脚、20…脚部、21…下側脚部、22…上側脚部、24…アジャスタ、27…連結部、28…連結孔、30…支柱、31…支柱取付部、32…貫通孔、35…貫挿ボルト。 10 ... table, 11 ... top plate, 13 ... bracket, 14 ... leg mounting part, 15 ... support leg, 20 ... leg part, 21 ... lower leg part, 22 ... upper leg part, 24 ... adjuster, 27 ... connecting part , 28 ... connection holes, 30 ... stanchions, 31 ... stanchion mounting portions, 32 ... through holes, 35 ... piercing bolts.
Claims (4)
貫通孔又は溝部を有する複数の支柱を有し、前記支柱を間隔を設けて各連結部に1つずつ連結した上側脚部と、
複数の前記支柱の端部が連結される1つの支柱取付部と、
前記支柱取付部を対象物に接続する脚取付部とを備え、
前記下側脚部は、前記支柱の延在方向に突出し前記支柱を支持する複数の突出部を備え、前記支柱を連結する前記連結部は、前記下側脚部と前記上側脚部との連結部分が前記突出部の下端よりも鉛直方向上方に位置するように各突出部の上側に設けられており、前記突出部を間隔を設けて各連結部に1つずつ備える支持脚。 One lower leg having a plurality of connecting parts at the upper end,
A plurality of struts having a through hole or groove portion, an upper leg portion that concatenates one on each coupling part said strut at an interval,
One strut mounting portion to which end portions of the plurality of strut are connected,
E Bei and a leg mounting portion for connecting the strut attachment portion to the object,
The lower leg includes a plurality of protrusions that project in the extending direction of the column and support the column, and the connecting portion that connects the column is a connection between the lower leg and the upper leg. A support leg that is provided on the upper side of each protrusion so that the portion is located vertically above the lower end of the protrusion, and that the protrusions are provided at intervals and one for each connecting portion .
請求項1に記載の支持脚。 The support leg according to claim 1, wherein the support column is fixed to the lower leg portion by a fastening member that is inserted into the through hole or the groove portion via the leg attachment portion.
請求項1又は2に記載の支持脚。 The support leg according to claim 1 or 2, wherein the leg mounting portion has a mounting hole capable of mounting the pillar mounting portion at different angles.
請求項1〜3のいずれか1項に記載の支持脚。 The upper leg portion extends along the vertical direction, the lower leg, the support legs according to any one of claims 1 to 3 extending in a direction intersecting the vertical direction.
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| JPH0610835Y2 (en) * | 1990-01-19 | 1994-03-23 | 株式会社岡村製作所 | Legs on a desk |
| JP2002191442A (en) * | 2000-12-25 | 2002-07-09 | Okamura Corp | Table having legs which can correspond to various tops |
| JP4353474B2 (en) * | 2004-06-18 | 2009-10-28 | 株式会社イトーキ | Table and its leg device |
| JP2006006574A (en) * | 2004-06-24 | 2006-01-12 | Ebisuya Kogyo Kk | Table |
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