JP6563670B2 - Mounting member - Google Patents

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JP6563670B2
JP6563670B2 JP2015075822A JP2015075822A JP6563670B2 JP 6563670 B2 JP6563670 B2 JP 6563670B2 JP 2015075822 A JP2015075822 A JP 2015075822A JP 2015075822 A JP2015075822 A JP 2015075822A JP 6563670 B2 JP6563670 B2 JP 6563670B2
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protrusion
region
insertion hole
insertion portion
protrusions
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JP2016195633A (en
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工 熊澤
工 熊澤
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Aichi Corp
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Aichi Corp
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Description

本発明は、被取付体に取り付けられる取付部材に関する。   The present invention relates to an attachment member attached to a body to be attached.

家具の脚端など、家具における設置面と接触する箇所などに取付部材を取り付ける場合がある。例えば金属製の椅子の脚部に合成樹脂製の取付部材を取り付けることで、設置面に生じる傷を抑制することができる。   There is a case where the attachment member is attached to a place such as a leg end of the furniture that comes into contact with the installation surface of the furniture. For example, by attaching a synthetic resin mounting member to a leg portion of a metal chair, it is possible to suppress scratches on the installation surface.

このような取付部材として、特許文献1では、家具の脚を構成するパイプの端部に取り付けられるキャップが提案されている。このキャップでは、パイプに挿入する嵌入部に縦方向の弾性凸部7が複数設けられており、それによりキャップがパイプから容易に抜けない構造となっている。   As such an attachment member, Patent Literature 1 proposes a cap attached to an end portion of a pipe constituting a leg of furniture. In this cap, a plurality of longitudinal elastic convex portions 7 are provided in the fitting portion to be inserted into the pipe, thereby preventing the cap from easily coming off the pipe.

特開2002−136369号公報JP 2002-136369 A

従来の取付部材では、脚部に対する取り付けの位置精度が十分ではなく、脚部に対して傾いた状態で取り付けられてしまう場合があった。その場合、緩みが発生しやすくなって取付部材が脚部から抜け落ちやすくなってしまう恐れがある。また、床面と接触する接触部(特許文献1では、キャップ基部11)の上下方向の長さが長くなると、傾いた状態で取り付けられた場合には脚部の軸から接触部の先端までのずれが大きくなり、上下方向の耐荷重が十分でなくなったり美観が損なわれたりする恐れがあった。   In the conventional attachment member, the positional accuracy of the attachment to the leg portion is not sufficient, and the attachment member may be attached in a tilted state with respect to the leg portion. In that case, there is a risk that loosening is likely to occur and the mounting member is likely to fall off the leg portion. Further, when the vertical length of the contact portion (cap base portion 11 in Patent Document 1) that comes into contact with the floor surface becomes long, when attached in a tilted state, the leg portion extends to the tip of the contact portion. There was a risk that the displacement would increase and the load capacity in the vertical direction would not be sufficient or the aesthetics could be impaired.

本発明の目的は、高い位置精度で取り付けを行うことができる取付部材を提案することである。   An object of the present invention is to propose an attachment member that can be attached with high positional accuracy.

上述した問題を解決するためになされた発明は、被取付体に取り付けられる取付部材である。この取付部材は、所定方向に長さを有する柱状の部材であって、上記被取付体に形成された挿入穴に挿入される挿入部を備える。   The invention made in order to solve the above-mentioned problem is an attachment member attached to a to-be-attached body. This attachment member is a columnar member having a length in a predetermined direction, and includes an insertion portion that is inserted into an insertion hole formed in the attached body.

挿入部には、上記所定方向に関して予め定められた範囲にある領域である第1領域に設けられ、当該挿入部の外側表面から外方向に突き出す複数の第1突起と、上記所定方向に関して上記第1領域とは重複しない範囲にある領域である第2領域に設けられ、上記外方向に突き出す複数の第2突起と、が設けられている。   The insertion portion is provided in a first region, which is a region within a predetermined range with respect to the predetermined direction, and a plurality of first protrusions protruding outward from the outer surface of the insertion portion, and the first portion with respect to the predetermined direction. A plurality of second protrusions that are provided in a second region that is a region that does not overlap with one region and project outward are provided.

そして、上記挿入部が上記挿入穴に挿入された状態において、上記第1突起及び上記第2突起が上記挿入穴を構成する壁面に接触する。
このように構成された取付部材は、挿入部の長さ方向である所定方向に関して位置が異なる2つの領域に突起が設けられているため、1つの領域にのみ突起が設けられている構成や、2つの領域に亘って伸びる、突出量の変わらない突条のみが設けられている構成と比較して、挿入部が挿入穴に挿入されたときの位置精度が高くなる。これにより、取付部材が傾いた状態で取り付けられてしまったりすることが抑制される。
Then, in a state where the insertion portion is inserted into the insertion hole, the first protrusion and the second protrusion come into contact with the wall surface constituting the insertion hole.
The mounting member configured in this way has protrusions provided in two regions having different positions with respect to a predetermined direction that is the length direction of the insertion portion. Compared with a configuration in which only the protrusions extending in two regions and having the same protrusion amount are provided, the positional accuracy when the insertion portion is inserted into the insertion hole is increased. Thereby, it is suppressed that the attachment member is attached in the state which inclined.

なお上記挿入部には、上記所定方向に長さを有し、上記外方向に突き出す複数の突条が形成されており、上記突条に、上記第1突起及び上記第2突起が設けられている構成としてもよい。   The insertion portion is formed with a plurality of protrusions having a length in the predetermined direction and protruding outward, and the protrusions are provided with the first protrusion and the second protrusion. It is good also as composition which has.

このような構成であれば、突条により、挿入作業時の傾き抑制や突起の補強が実現され、取付部材の位置精度を高めることができる。
また、上記所定方向を法線方向とする平面に投影された上記第1領域、及び、上記平面に投影された上記第2領域は、上記挿入穴の開口の断面内に収まらない部分を有しており、上記平面に投影された、上記挿入部における上記突条が形成された部分であって上記第1領域及び上記第2領域を除く部分は、上記開口の断面内に収まる形状である構成としてもよい。
If it is such a structure, inclination suppression at the time of insertion operation | movement and reinforcement | strengthening of a protrusion are implement | achieved by a protrusion, and the positional accuracy of an attachment member can be improved.
In addition, the first region projected onto the plane having the normal direction as the predetermined direction and the second region projected onto the plane have a portion that does not fit within the cross section of the opening of the insertion hole. The portion projected on the plane where the protrusions are formed in the insertion portion, excluding the first region and the second region, has a shape that fits within the cross section of the opening. It is good.

このような構成であれば、第1突起及び第2突起が挿入穴を構成する壁面に良好に接触する一方、突条における第1突起及び第2突起以外の部分は壁面と強く接触せず、突起による位置精度の向上を好適に実現できる。   With such a configuration, the first protrusion and the second protrusion are in good contact with the wall surface constituting the insertion hole, while the portions other than the first protrusion and the second protrusion in the ridge do not make strong contact with the wall surface, The improvement of the positional accuracy by the protrusion can be preferably realized.

また上記第1突起には、上記挿入部を上記挿入穴に挿入するときの挿入方向側の面に、上記外方向に向かって上記挿入方向とは反対の方向に傾斜する傾斜部が形成されている構成であってもよい。   In addition, the first protrusion is formed with an inclined portion that is inclined in the direction opposite to the insertion direction toward the outer direction on the surface on the insertion direction side when the insertion portion is inserted into the insertion hole. It may be a configuration.

またさらに、上記第2突起には、上記挿入方向側の面に、上記外方向に向かって上記挿入方向とは反対の方向に傾斜する傾斜部が形成されている構成であってもよい。
このように傾斜部が形成されることで、挿入部を挿入穴へスムーズに挿入することができる。また、挿入部を挿入するときに第1突起及び第2突起に意図しない破損が生じることを抑制でき、その結果、取付部材が傾いた状態で取り付けられてしまうことを抑制できる。
Still further, the second protrusion may be configured such that an inclined portion that is inclined in the direction opposite to the insertion direction toward the outer direction is formed on the surface on the insertion direction side.
By forming the inclined portion in this way, the insertion portion can be smoothly inserted into the insertion hole. Moreover, when inserting an insertion part, it can suppress that the 1st protrusion and the 2nd protrusion generate | occur | produce the unintended damage, As a result, it can suppress that an attachment member will be attached in the state inclined.

本実施形態の取付部材を説明する図であって、図1(A)が平面図であり、図1(B)が正面図である。It is a figure explaining the attachment member of this embodiment, Comprising: FIG. 1 (A) is a top view, FIG.1 (B) is a front view. 図2(A)が図1(A)のA−A断面図であり、図2(B)が図1(B)のB−B断面図であり、図2(C)が図1(B)のC−C断面図であり、図2(D)が図1(B)のD−D断面図である。2A is a cross-sectional view taken along the line AA in FIG. 1A, FIG. 2B is a cross-sectional view taken along the line BB in FIG. 1B, and FIG. ) Is a cross-sectional view taken along the line CC of FIG. 2, and FIG. 2D is a cross-sectional view taken along the line DD of FIG. 図3(A)は脚部3の底面図であり、図3(B)、(C)は取付部材の脚部への取付を説明する側面図である。3A is a bottom view of the leg portion 3, and FIGS. 3B and 3C are side views illustrating attachment of the attachment member to the leg portion. 図4(A)は、図3(C)における矢印Fで示される部分が、突出方向を法線方向とする平面に投影された図であり、図4(B)は、図3(C)における矢印Gで示される部分が投影された図である。4A is a diagram in which a portion indicated by an arrow F in FIG. 3C is projected onto a plane whose normal direction is the protruding direction, and FIG. 4B is a diagram in FIG. It is the figure which the part shown with the arrow G in in projected. 第1突起及び第2突起の変形例を示す図である。It is a figure which shows the modification of a 1st protrusion and a 2nd protrusion. 第1突起及び第2突起の形状を説明する図である。It is a figure explaining the shape of the 1st projection and the 2nd projection.

以下に本発明の実施形態を図面と共に説明する。
[実施形態]
(1)取付部材の構成
図1〜図2を用いて、本実施形態の取付部材1を説明する。取付部材1は合成樹脂によって形成され、被取付体の脚部に取り付けて用いられる。取付部材1は、被取付体を設置する床面等の設置面に接触する接触部11と、接触部11から所定の突出方向(図1(B)中の矢印E方向、本発明における所定方向の一例)に突出しており、その方向に長さを有する柱状の部材である挿入部13と、を備える。上述した被取付体とは、例えば、机や椅子などの家具が挙げられる。
Embodiments of the present invention will be described below with reference to the drawings.
[Embodiment]
(1) Structure of attachment member The attachment member 1 of this embodiment is demonstrated using FIGS. 1-2. The attachment member 1 is formed of a synthetic resin, and is used by being attached to a leg portion of an attached body. The attachment member 1 includes a contact portion 11 that comes into contact with an installation surface such as a floor surface on which the body to be attached is installed, a predetermined projecting direction from the contact portion 11 (an arrow E direction in FIG. 1B, a predetermined direction in the present invention). And an insertion portion 13 which is a columnar member having a length in that direction. Examples of the attached body include furniture such as a desk and a chair.

接触部11は円柱形状であり、長さ方向の一端から、挿入部13が長さ方向に沿って突出する。つまり挿入部13の突出方向は接触部11の長さ方向と同じ方向である。また、接触部11の上述した一端とは異なる他端が、設置面に接触する接触面11aとなる。   The contact portion 11 has a cylindrical shape, and the insertion portion 13 protrudes along the length direction from one end in the length direction. That is, the protruding direction of the insertion portion 13 is the same direction as the length direction of the contact portion 11. Moreover, the other end different from the one end mentioned above of the contact part 11 becomes the contact surface 11a which contacts an installation surface.

挿入部13は外観が略円柱形状であるが、内部に空間を有している。挿入部13は、外側の筒状部13aと、筒状部13aの中心軸に沿って長さを有する中軸部13bと、筒状部13aと中軸部13bとをつなぎ、上記突出方向に拡がる複数の板状の連結部13cと、を有している。   The insertion portion 13 has a substantially cylindrical shape in appearance, but has a space inside. The insertion portion 13 connects the outer cylindrical portion 13a, the middle shaft portion 13b having a length along the central axis of the cylindrical portion 13a, and the tubular portion 13a and the middle shaft portion 13b, and extends in the protruding direction. Plate-like connecting portion 13c.

挿入部13には、筒状部13aの外周面において周方向に一定の間隔を空けて配置され、上記突出方向に長さを有し、挿入部13の外側表面から外方向に突き出す複数(本実施形態においては8つ)の突条15が形成されている。以降、外方向とは上述した方向を意味するものとする。なお外方向とは、挿入部13の中心軸から離れる方向と同じ方向である。   The insertion portion 13 is arranged on the outer peripheral surface of the cylindrical portion 13a with a certain interval in the circumferential direction, has a length in the protruding direction, and protrudes outward from the outer surface of the insertion portion 13 (this Eight (8) protrusions 15 are formed in the embodiment. Hereinafter, the outward direction means the above-described direction. The outward direction is the same direction as the direction away from the central axis of the insertion portion 13.

突条15は、突出方向に関して間隔を有する第1領域21から第2領域23に亘って伸びている。第1領域21は、上記突出方向に関して予め定められた範囲にある領域(突出方向に関する接触部11からの距離が所定の範囲にある領域)であり、第2領域23は、上記突出方向に関して第1領域21とは重複しない範囲にあり、第1領域21よりも接触部11側にある領域である。   The ridges 15 extend from the first region 21 to the second region 23 having an interval in the protruding direction. The first area 21 is an area in a predetermined range with respect to the protruding direction (area where the distance from the contact portion 11 regarding the protruding direction is within a predetermined range), and the second area 23 is the first area with respect to the protruding direction. The first region 21 is a region that does not overlap and is closer to the contact portion 11 than the first region 21.

また挿入部13には、第1領域21に設けられ、外方向に突き出す複数の第1突起31と、第2領域23に設けられ、外方向に突き出す複数の第2突起33と、が設けられている。これら第1突起31、第2突起33は突条15に設けられており、突条15における第1領域21、第2領域23の間の領域よりも挿入部13からの突出量が大きくなっている。   The insertion portion 13 is provided with a plurality of first protrusions 31 provided in the first region 21 and protruding outward, and a plurality of second protrusions 33 provided in the second region 23 and protruding outward. ing. The first protrusion 31 and the second protrusion 33 are provided on the protrusion 15, and the protrusion amount from the insertion portion 13 is larger than the area between the first area 21 and the second area 23 of the protrusion 15. Yes.

第1突起31には、上記突出方向の先端側の面に、外方向に向かって突出方向の反対方向に傾斜する面である傾斜部31aが形成されている。また第2突起33には、突出方向の先端側の面に、外方向に向かって突出方向の反対方向に傾斜する面である傾斜部33aが形成されている。本実施形態において傾斜部31a及び傾斜部33aは平面形状である構成を例示しているが、湾曲した面、つまりいわゆるR形状であってもよい。ところで、上述した突出方向の先端側の面とは、挿入部13を挿入穴3aに挿入するときの挿入方向側の面と言い換えることができる。   The first protrusion 31 is formed with an inclined portion 31a, which is a surface inclined in the opposite direction of the protruding direction toward the outer side, on the surface on the tip side in the protruding direction. Further, the second protrusion 33 is formed with an inclined portion 33a, which is a surface inclined in the opposite direction of the protruding direction toward the outer side, on the surface on the tip side in the protruding direction. In the present embodiment, the inclined portion 31a and the inclined portion 33a are illustrated as having a planar shape, but may be curved surfaces, that is, so-called R shapes. By the way, the surface on the distal end side in the protruding direction described above can be restated as the surface on the insertion direction side when the insertion portion 13 is inserted into the insertion hole 3a.

なお図2(A)、(C)にも示されるように、第1突起31と第2突起33の傾斜部31a、31bが形成されない部分の断面は同一の形状である。
(2)取付部材の使用態様
図3(A)〜(C)を用いて、取付部材1の使用態様を説明する。図3(A)は脚部3の底面図であり、図3(B)、(C)は取付部材1と脚部3の側面図である。
2A and 2C, the sections of the first protrusion 31 and the second protrusion 33 where the inclined portions 31a and 31b are not formed have the same shape.
(2) Usage Mode of Mounting Member A usage mode of the mounting member 1 will be described with reference to FIGS. FIG. 3A is a bottom view of the leg portion 3, and FIGS. 3B and 3C are side views of the attachment member 1 and the leg portion 3.

取付部材1は、脚部3に取り付けられる。脚部3の端部は、内径及び外径が一定のパイプ状であって、円柱形状の挿入穴3aが形成される。挿入部13は挿入穴3aに挿入可能であって、挿入部13を開口3cから挿入穴3aに挿入することで取付部材1は脚部3に取り付けられる。   The attachment member 1 is attached to the leg portion 3. The end portion of the leg portion 3 has a pipe shape with a constant inner diameter and outer diameter, and is formed with a cylindrical insertion hole 3a. The insertion portion 13 can be inserted into the insertion hole 3a, and the attachment member 1 is attached to the leg portion 3 by inserting the insertion portion 13 into the insertion hole 3a from the opening 3c.

挿入部13が挿入穴3aに挿入された状態において、第1突起31及び第2突起33は挿入穴3aを構成する壁面3bに接触する。
挿入部13と挿入穴3aの大きさの関係を、図4(A)、(B)を用いて説明する。図4(A)、(B)は、突出方向を法線方向とする平面に投影された挿入部13及び脚部3の各部を示しているが、挿入部13については脚部3の壁面3bに接触することによる圧縮変形を受けていない状態を示している。
In a state where the insertion portion 13 is inserted into the insertion hole 3a, the first protrusion 31 and the second protrusion 33 are in contact with the wall surface 3b constituting the insertion hole 3a.
The relationship between the size of the insertion portion 13 and the insertion hole 3a will be described with reference to FIGS. 4A and 4B show the respective portions of the insertion portion 13 and the leg portion 3 projected on a plane whose normal direction is the protruding direction. The insertion portion 13 has a wall surface 3b of the leg portion 3. The state which has not received the compression deformation by contacting is shown.

図4(A)は、図3(C)における矢印Fで示される部分を投影した図である。矢印Fは挿入部13の第1領域21又は第2領域23の部分を指している。図4(A)に示すように、第1領域21は、第1突起31の部分が挿入穴3aに収まらず、挿入穴3aの外にはみ出している。なお第1領域21と第2領域23の投影図は同一の形状であるため、第2領域23の説明は割愛する。   FIG. 4A is a projection of the portion indicated by the arrow F in FIG. An arrow F points to a portion of the first region 21 or the second region 23 of the insertion portion 13. As shown in FIG. 4A, in the first region 21, the portion of the first protrusion 31 does not fit in the insertion hole 3a and protrudes outside the insertion hole 3a. In addition, since the projection drawing of the 1st area | region 21 and the 2nd area | region 23 is the same shape, description of the 2nd area | region 23 is omitted.

図4(B)は、図3(C)における矢印Gで示される部分を投影した図である。図4(B)に示すように、挿入部13における突条15が形成された部分であって第1領域21及び第2領域23を除く部分は、挿入穴3aに収まっている。   FIG. 4B is a diagram in which a portion indicated by an arrow G in FIG. As shown in FIG. 4B, the portion of the insertion portion 13 where the protrusions 15 are formed, except for the first region 21 and the second region 23, is accommodated in the insertion hole 3a.

また図4(A)、(B)から分かるように、筒状部13aの突条15を除く部分の外径は、挿入穴3aの幅、すなわちパイプの内径に対して十分に小さくなっている。
このように、第1突起31、第2突起33はパイプ内径よりも広く突出しているため、挿入部13が挿入穴3aに挿入された状態においては、第1突起31、第2突起33は壁面3bに接触する。挿入部13は中心軸方向に圧縮されているため、それらの突起は弾性反発力により強く壁面3bに接触することとなる。
As can be seen from FIGS. 4A and 4B, the outer diameter of the portion excluding the protrusion 15 of the cylindrical portion 13a is sufficiently smaller than the width of the insertion hole 3a, that is, the inner diameter of the pipe. .
As described above, since the first protrusion 31 and the second protrusion 33 protrude wider than the inner diameter of the pipe, the first protrusion 31 and the second protrusion 33 are wall surfaces when the insertion portion 13 is inserted into the insertion hole 3a. Contact 3b. Since the insertion portion 13 is compressed in the direction of the central axis, these protrusions come into strong contact with the wall surface 3b due to elastic repulsion.

また、突条15の部分であっても第1突起31、第2突起33が形成されていない部分はパイプ内径に対してわずかに小さくなっており、壁面3bに対して強く接触することはない。   Further, even in the portion of the protrusion 15, the portion where the first protrusion 31 and the second protrusion 33 are not formed is slightly smaller than the inner diameter of the pipe and does not come into strong contact with the wall surface 3b. .

(3)効果
取付部材1は、脚部3に取り付けられた状態において、挿入穴3aの軸(脚部3の軸)に対して挿入部13の軸が傾いてしまうことを抑制でき、脚部3に対して接触部11が傾くことを抑制して高い位置精度で取り付けることができる。
(3) Effect The attachment member 1 can suppress the axis of the insertion part 13 from being inclined with respect to the axis of the insertion hole 3a (the axis of the leg part 3) when attached to the leg part 3. 3 can be attached with high positional accuracy by suppressing the contact portion 11 from being inclined.

なぜならば、挿入部13は突出方向に間隔を空けた第1領域21と第2領域23とに突起が形成されているため、第1領域21の第1突起31が挿入穴3aに挿入された状態で挿入中に取付部材1に傾きが生じても、第2領域23の第2突起33を挿入するときにその傾きが修正され、正しい位置に戻るためである。   This is because the insertion portion 13 has protrusions formed in the first region 21 and the second region 23 spaced apart in the protruding direction, so that the first protrusion 31 in the first region 21 is inserted into the insertion hole 3a. This is because even if the attachment member 1 is inclined during insertion in the state, the inclination is corrected when the second protrusion 33 in the second region 23 is inserted, and the attachment member 1 returns to the correct position.

また、挿入部13は第1突起31と第2突起33において強く壁面3bからの荷重が加わる。これに対し、仮に、突出方向に長さを有する平坦な突条のみが形成されている構成を想定すると、その構成では実質的に突条のどの位置に強く荷重が加わるかを調整できない。突出方向の中央部分に荷重が強く加わった場合、先端と後端の2点に加わる場合よりも傾きが発生しやすくなってしまう。   Further, the insertion portion 13 is strongly subjected to the load from the wall surface 3 b at the first protrusion 31 and the second protrusion 33. On the other hand, if it is assumed that only a flat ridge having a length in the protruding direction is formed, it is impossible to adjust which position of the ridge is strongly loaded with that configuration. When a load is strongly applied to the central portion in the protruding direction, inclination is more likely to occur than when applied to the two points of the front end and the rear end.

また、平坦な突条のみが形成されている構成では、被取付体の挿入穴に挿入部を挿入したときに生じる突条の削れや加工上の誤差の影響を受けやすく、その結果、突条における荷重が強く加わる点が変化しやすくなり、挿入部の緩みや傾きの発生を抑制しにくい。本実施形態の取付部材1は、そのような問題が生じにくく、傾きの発生を抑制することができる。   In addition, in the configuration in which only the flat ridge is formed, the ridge is easily affected by the shaving of the ridge and the processing error that occurs when the insertion portion is inserted into the insertion hole of the mounted body. The point at which the load is strongly applied is likely to change, and it is difficult to suppress the occurrence of looseness and inclination of the insertion portion. The mounting member 1 according to the present embodiment hardly causes such a problem, and can suppress the occurrence of inclination.

また取付部材1は、第1突起31及び第2突起33のみが挿入穴3aの径よりも外側に位置しており、壁面3bに優先的に接触するため、上述した位置精度の向上を好適に実現することができる。   Moreover, since only the 1st protrusion 31 and the 2nd protrusion 33 are located outside the diameter of the insertion hole 3a and the attachment member 1 contacts the wall surface 3b preferentially, the improvement of the positional accuracy mentioned above is suitable. Can be realized.

また取付部材1は、突条15が形成されているため、それによっても取り付けの位置精度を高めることができる。なぜならば、第1突起31が挿入穴3aに挿入された状態から第2突起33が挿入穴3aに挿入されるまでの工程において、挿入部13が傾くと、壁面3bに突条15が接触するため脚部3に対する接触部11の傾きが抑制されることとなり、傾いた状態で挿入作業が進められることが抑制される。   Moreover, since the protrusion 15 is formed in the attachment member 1, the positional accuracy of attachment can be improved also by it. This is because, when the insertion portion 13 is tilted in the process from the state in which the first protrusion 31 is inserted into the insertion hole 3a until the second protrusion 33 is inserted into the insertion hole 3a, the protrusion 15 contacts the wall surface 3b. Therefore, the inclination of the contact part 11 with respect to the leg part 3 will be suppressed, and it is suppressed that an insertion operation is advanced in the inclined state.

仮に挿入部13が傾いた状態で挿入されると、複数の第1突起31の一部が局所的に削れたり、挿入部13が偏った圧縮をしたりしてしまい、位置精度の低下につながる。一方、本実施形態の取付部材1は、突条15により挿入時の傾きが抑制されるため、位置精度の低下を抑制できる。   If the insertion portion 13 is inserted in a tilted state, a part of the plurality of first protrusions 31 may be locally scraped or the insertion portion 13 may be biased and compressed, leading to a decrease in position accuracy. . On the other hand, since the attachment member 1 of this embodiment suppresses the inclination at the time of insertion by the protrusion 15, it can suppress the fall of position accuracy.

また、第1突起31、第2突起33には、傾斜部31a、傾斜部33aが形成されているため、挿入部13を挿入穴3aへスムーズに挿入することができる。また、挿入部13を挿入したときに第1突起31及び第2突起33に意図しない破損が生じることを抑制でき、接触部11が傾いてしまうことを抑制できる。   Moreover, since the inclined part 31a and the inclined part 33a are formed in the 1st protrusion 31 and the 2nd protrusion 33, the insertion part 13 can be smoothly inserted in the insertion hole 3a. Moreover, when the insertion part 13 is inserted, it can suppress that the 1st protrusion 31 and the 2nd protrusion 33 produce unintentional damage, and can suppress that the contact part 11 inclines.

[その他の実施形態]
以上本発明の実施形態について説明したが、本発明は、上記実施形態に何ら限定されることはなく、本発明の技術的範囲に属する限り種々の形態をとり得ることはいうまでもない。
[Other Embodiments]
Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and it goes without saying that various forms can be taken as long as they belong to the technical scope of the present invention.

(a)本発明は上記実施形態の一部の要素が省略された構成であってもよい。具体的には、突条15、傾斜部31a、傾斜部33aなどの要素の一部が省略された構成であってもよい。   (A) The present invention may have a configuration in which some elements of the above embodiment are omitted. Specifically, a configuration in which some of the elements such as the ridge 15, the inclined portion 31a, and the inclined portion 33a are omitted may be employed.

(b)突起の配置は、上記実施形態に限定されない。例えば、図5(A)に示すように、第1突起51と第2突起53とが突出方向に並んで折らず、円周方向にずれて設けられていてもよい。   (B) The arrangement of the protrusions is not limited to the above embodiment. For example, as shown in FIG. 5A, the first protrusion 51 and the second protrusion 53 may be provided so as not to be bent side by side in the protruding direction but shifted in the circumferential direction.

また、図5(B)に示すように、突出方向に間隔を空けた2つの領域(第1領域61、第2領域63)のそれぞれに複数の第1突起71及び第2突起73が設けられていれば、突起は各領域の内部で突出方向に関してずれて配されていてもよい。   Further, as shown in FIG. 5B, a plurality of first protrusions 71 and second protrusions 73 are provided in each of two regions (first region 61 and second region 63) spaced in the protruding direction. In this case, the protrusions may be arranged so as to be shifted with respect to the protruding direction inside each region.

また、第1領域61と第2領域63の間の中間領域65においても、図示しないが、突起が設けられていてもよい。ここでいう突起とは、第1突起及び第2突起と同様の方向に突出する突起である。但し、中間領域65に突起が設けられていない構成であれば、第1突起及び第2突起による挿入時の位置精度向上の効果をより良好に奏することができる。   Also, in the intermediate region 65 between the first region 61 and the second region 63, although not shown, a protrusion may be provided. Here, the protrusion is a protrusion protruding in the same direction as the first protrusion and the second protrusion. However, if the intermediate region 65 is not provided with a protrusion, the effect of improving the positional accuracy during insertion by the first protrusion and the second protrusion can be more satisfactorily achieved.

(c)挿入部13、及び挿入部13に対応する挿入穴3aは、柱状であればよく、円柱形状に限定されない。ここでいう柱状とは、所定の方向に長さを有する形状であって、その伸び出す長さや断面形状は特に限定されず、挿入部13を挿入穴3aに挿入することで取り付けが可能になる形状であればよい。例えば、挿入部13は、略角柱状、断面が楕円の柱状、突出方向の先ほど細くなる円錐台形や角錐台形であってもよい。   (C) The insertion portion 13 and the insertion hole 3a corresponding to the insertion portion 13 may be columnar and are not limited to a columnar shape. The column shape here is a shape having a length in a predetermined direction, and its extending length and cross-sectional shape are not particularly limited, and attachment is possible by inserting the insertion portion 13 into the insertion hole 3a. Any shape is acceptable. For example, the insertion portion 13 may have a substantially prismatic shape, a columnar shape having an elliptical cross section, or a truncated cone shape or a truncated pyramid shape that becomes narrower in the protruding direction.

(d)第1突起及び第2突起は、第1領域21及び第2領域23において円周方向に長さを有する形状であってもよい。また、断面形状が矩形のものに限定されず、円形や楕円形などであってもよい。   (D) The first protrusion and the second protrusion may have a shape having a length in the circumferential direction in the first region 21 and the second region 23. Further, the cross-sectional shape is not limited to a rectangular shape, and may be a circle or an ellipse.

但し、各突起の円周方向の長さが大きくなると、その突起において壁面3bと接触する円周方向の長さが長くなるため、壁面3bから荷重を最も強く受ける円周方向の位置が制御しにくくなる場合がある。よって、上記実施形態のように、突起は円周方向に関して複数に分離して設けられている方が、荷重が強く掛かる位置を制御しやすく都合がよい。   However, as the circumferential length of each protrusion increases, the circumferential length of the protrusion that contacts the wall surface 3b increases, so that the circumferential position that receives the load most strongly from the wall surface 3b is controlled. It may be difficult. Therefore, as in the above-described embodiment, it is more convenient to control the position where the load is applied more strongly if the protrusions are provided separately in a plurality in the circumferential direction.

例えば、図6(A)に示す角錐台形の突起81や図6(B)に示す円錐台形の突起83のように、その突起の突出する方向と直交する断面81a、83aの形状が、突出方向I(挿入部13の長さ方向)の長さと、その直交方向H(挿入部13の中心軸を中心とする円周の接線方向)の長さとが同一であるか、又は直交方向Hの長さのほうが短くなるように形成することが考えられる。なお図6は突起を模式的に示した斜視図であり、断面81a、83aも模式的な斜視図である。   For example, the shape of the cross-sections 81a and 83a perpendicular to the protruding direction of the truncated pyramid shaped protrusion 81 shown in FIG. 6A and the truncated cone shaped protrusion 83 shown in FIG. The length of I (the length direction of the insertion portion 13) and the length of the orthogonal direction H (the tangential direction of the circumference around the central axis of the insertion portion 13) are the same or the length of the orthogonal direction H It can be considered that the length is shorter. FIG. 6 is a perspective view schematically showing protrusions, and cross sections 81a and 83a are also schematic perspective views.

(e)上記実施形態では、挿入部13と同軸に形成された接触部11を有する取付部材1を例示したが、接触部11の形状は上述したものに限定されず、また、接触部11に相当する部分を有しない構成であってもよい。例えば接触部に変えてキャスターを備える部材や、キャスターなどを取り付けることができる差込穴やねじ穴などの固定手段が設けられた部材(いわゆるキャスター取付スリーブなど)に本発明を適用してもよい。   (E) In the said embodiment, although the attachment member 1 which has the contact part 11 formed coaxially with the insertion part 13 was illustrated, the shape of the contact part 11 is not limited to what was mentioned above, The structure which does not have a corresponding part may be sufficient. For example, the present invention may be applied to a member provided with a caster instead of a contact portion, or a member provided with fixing means such as an insertion hole or a screw hole to which a caster or the like can be attached (so-called caster attachment sleeve or the like). .

(f)上記実施形態では、第1突起31、第2突起33が挿入穴3aに圧入される構成を例示したが、挿入穴3aに挿入されるときに開口3cの端部により第1突起31、第2突起33の突端が削られる構成であってもよい。言い換えると、取付部材は、挿入穴3aの端部によって削り取られることを前提として、第1突起31、第2突起33の突出高さが設定されていてもよい。   (F) In the above-described embodiment, the configuration in which the first protrusion 31 and the second protrusion 33 are press-fitted into the insertion hole 3a is illustrated. However, when the first protrusion 31 is inserted into the insertion hole 3a, the first protrusion 31 is formed by the end of the opening 3c. A configuration in which the protruding end of the second protrusion 33 is cut off may be employed. In other words, the protrusion height of the first protrusion 31 and the second protrusion 33 may be set on the assumption that the attachment member is scraped off by the end of the insertion hole 3a.

このように挿入部が構成された取付部材では、嵌合の緩みや取付過程での破損の発生を抑制でき、取付精度を高くすることができる。なお、本発明における第1突起及び第2突起を有さず、突出方向に長さを有する平坦な複数の突条のみが形成されており、その突条を開口端部で削りつつ挿入する構成を想定した場合、挿入穴への挿入時における突条の削れの不均等が生じやすく、緩みの原因となる。また、突条を削るために大きな加圧力が必要となる時間が長くなるため、挿入時に破損が生じやすくなってしまう。しかしながら、本発明を適用することで、そのような問題の発生を抑制することができる。   In the mounting member in which the insertion portion is configured in this way, it is possible to suppress the looseness of fitting and the occurrence of breakage during the mounting process, and to increase the mounting accuracy. In the present invention, the first protrusion and the second protrusion are not provided, and only a plurality of flat protrusions having a length in the protrusion direction are formed, and the protrusions are inserted while being cut at the opening end. Assuming that, unevenness of the shaving of the ridge during insertion into the insertion hole is likely to occur, causing loosening. In addition, since a long time is required to apply a large pressure to cut the ridge, breakage tends to occur during insertion. However, the occurrence of such a problem can be suppressed by applying the present invention.

1…取付部材、3…脚部、3a…挿入穴、3b…壁面、11…接触部、13…挿入部、15…突条、21…第1領域、23…第2領域、31…第1突起、31a…傾斜部、33…第2突起、33a…傾斜部、51,71…第1突起、53,73…第2突起、61…第1領域、63…第2領域、65…中間領域、81,83…突起 DESCRIPTION OF SYMBOLS 1 ... Mounting member, 3 ... Leg part, 3a ... Insertion hole, 3b ... Wall surface, 11 ... Contact part, 13 ... Insertion part, 15 ... Projection, 21 ... 1st area | region, 23 ... 2nd area | region, 31 ... 1st Projection, 31a ... inclined portion, 33 ... second projection, 33a ... inclined portion, 51, 71 ... first projection, 53, 73 ... second projection, 61 ... first region, 63 ... second region, 65 ... intermediate region , 81, 83 ... projections

Claims (4)

被取付体に取り付けられる取付部材であって、
所定方向に長さを有する柱状の部材であって、前記被取付体に形成された挿入穴に挿入される挿入部を備え、
前記挿入部には、
前記所定方向に関して予め定められた範囲にある領域である第1領域に設けられ、当該挿入部の外側表面から外方向に突き出す複数の第1突起と、
前記所定方向に関して前記第1領域とは重複しない範囲にある領域である第2領域に設けられ、前記外方向に突き出す複数の第2突起と、が設けられており、
さらに、前記挿入部には、前記所定方向に長さを有し、前記外方向に突き出す複数の突条が形成されており、前記突条に、前記第1突起及び前記第2突起が設けられており、
前記挿入部が前記挿入穴に挿入された状態において、前記第1突起及び前記第2突起が前記挿入穴を構成する壁面に接触する
ことを特徴とする取付部材。
A mounting member attached to the mounted body,
A columnar member having a length in a predetermined direction, comprising an insertion portion to be inserted into an insertion hole formed in the attached body,
In the insertion part,
A plurality of first protrusions provided in a first region that is a region in a predetermined range with respect to the predetermined direction and projecting outward from the outer surface of the insertion portion;
A plurality of second protrusions that are provided in a second region that is a region that does not overlap the first region with respect to the predetermined direction, and that protrude in the outward direction;
Further, the insertion portion is formed with a plurality of ridges having a length in the predetermined direction and protruding in the outward direction, and the first protrusion and the second protrusion are provided on the protrusion. And
The mounting member, wherein the first protrusion and the second protrusion are in contact with a wall surface constituting the insertion hole in a state where the insertion portion is inserted into the insertion hole.
前記所定方向を法線方向とする平面に投影された前記第1領域、及び、前記平面に投影された前記第2領域は、前記挿入穴の開口の断面内に収まらない部分を有しており、
前記平面に投影された、前記挿入部における前記突条が形成された部分であって前記第1領域及び前記第2領域を除く部分は、前記開口の断面内に収まる形状である
ことを特徴とする請求項1に記載の取付部材。
The first region projected onto the plane having the normal direction as the predetermined direction and the second region projected onto the plane have a portion that does not fit within the cross section of the opening of the insertion hole. ,
The portion projected on the plane where the protrusions are formed in the insertion portion, excluding the first region and the second region, has a shape that fits within the cross section of the opening. The mounting member according to claim 1 .
前記第1突起には、前記挿入部を前記挿入穴に挿入するときの挿入方向側の面に、前記外方向に向かって前記挿入方向とは反対の方向に傾斜する傾斜部が形成されている
ことを特徴とする請求項1又は請求項2に記載の取付部材。
The first protrusion is formed with an inclined portion that is inclined in a direction opposite to the insertion direction toward the outer direction on a surface on an insertion direction side when the insertion portion is inserted into the insertion hole. The mounting member according to claim 1 or 2 , wherein
前記第2突起には、前記挿入方向側の面に、前記外方向に向かって前記挿入方向とは反対の方向に傾斜する傾斜部が形成されている
ことを特徴とする請求項3に記載の取付部材。
Wherein the second protrusion, the surface of the insertion direction side, according to claim 3, characterized in that the inclined portion and the insertion direction toward the outer direction inclined in the opposite direction is formed Mounting member.
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