JP7431665B2 - Joint structure and fittings - Google Patents

Joint structure and fittings Download PDF

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JP7431665B2
JP7431665B2 JP2020087961A JP2020087961A JP7431665B2 JP 7431665 B2 JP7431665 B2 JP 7431665B2 JP 2020087961 A JP2020087961 A JP 2020087961A JP 2020087961 A JP2020087961 A JP 2020087961A JP 7431665 B2 JP7431665 B2 JP 7431665B2
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thickness
screw
spacer
sealing material
joining structure
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JP2021181723A (en
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公希 濱口
雄也 大山
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YKK AP Inc
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YKK AP Inc
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Description

本発明は、接合構造および建具に関し、詳しくは、第1部材の端面と、第2部材の接合面とを接合する接合構造、この接合構造によって部材同士が接合された建具に関する。 The present invention relates to a joining structure and a fitting, and more particularly to a joining structure that joins an end face of a first member and a joining surface of a second member, and a fitting in which members are joined by this joining structure.

上枠、下枠および左右の縦枠を四周枠組みして構成された窓枠において、下枠の長手方向の端面を、シート状のシール材を介して縦枠の接合面に接合する接合構造が知られている(例えば、特許文献1参照)。
この接合構造では、下枠の端面と縦枠の接合面との間にシート状のシール材を介在させ、縦枠の接合面に形成されたねじ穴にねじを挿通して、下枠のビスホール部にねじ込むことにより、下枠の端面に形成された止水ライン形成部と縦枠の接合面とでシール材を圧縮しつつ挟持して止水ラインを形成して下枠と縦枠とを接合している。このとき、縦枠の接合面には、止水ラインと重ならない位置で下枠に当接し、シール材が介在される縦枠と下枠との間の隙間寸法を所定寸法に設定する突起部が設けられている。
In a window frame composed of a top frame, a bottom frame, and left and right vertical frames, the joint structure is such that the longitudinal end face of the bottom frame is joined to the joint surface of the vertical frame via a sheet of sealing material. known (for example, see Patent Document 1).
In this joint structure, a sheet-shaped sealing material is interposed between the end face of the bottom frame and the joint surface of the vertical frame, and the screws are inserted into the screw holes formed on the joint surface of the vertical frame. By screwing into the part, the sealing material is compressed and held between the water stop line forming part formed on the end surface of the lower frame and the joint surface of the vertical frame to form a water stop line and connect the bottom frame and the vertical frame. It is joined. At this time, the joint surface of the vertical frame has a protrusion that comes into contact with the lower frame at a position that does not overlap with the water stop line and sets the gap size between the vertical frame and the lower frame to a predetermined size where the sealing material is interposed. is provided.

特開2013-117143号JP2013-117143

上記接合構造では、縦枠の接合面には、縦枠と下枠との間の隙間寸法を所定寸法に設定する突起部が設けられているが、下枠のビスホール部にねじ込むねじの締め付け力は、作業者に委ねられるため、ばらつきが生じる虞がある。このため、締め付け力が弱い場合には、シール材の圧縮量が小さくなって止水性能が低くなり、締め付け力が強い場合には、突起部を押し潰すとともに、介在されているシール材が損傷されてしまうことにより止水性能が低くなる虞がある。 In the above joint structure, the joint surface of the vertical frame is provided with a protrusion that sets the gap between the vertical frame and the bottom frame to a predetermined size, but the tightening force of the screw screwed into the screw hole of the bottom frame is Since this is left to the operator, there is a risk that variations may occur. For this reason, if the tightening force is weak, the amount of compression of the sealing material will be small, resulting in poor water-stopping performance, and if the tightening force is strong, the protrusion will be crushed and the intervening sealing material will be damaged. There is a risk that the water-stopping performance will decrease due to this.

本発明の目的は、止水性能を向上できる接合構造および建具を提供することにある。 An object of the present invention is to provide a joint structure and fittings that can improve water-stopping performance.

本発明の接合構造は、第1部材の長手方向の端面を、シート状のシール材を介して第2部材の壁部に接合する接合構造であって、前記第1部材は、長手方向に沿って進入するねじが螺合されるねじ螺合部を有し、前記第2部材の前記壁部は、前記ねじ螺合部に螺合される前記ねじが挿通される挿通穴を有し、前記ねじは、頭部とねじ部との間に、前記頭部の外径より小さく前記ねじ部の外径より大きな外径であり前記挿通穴に挿通される段部を有し、前記ねじの頭部と前記壁部との間にはスペーサーが挟持され、前記段部の長さをL、前記壁部の厚みをW1、前記スペーサーの厚みをH、前記シール材がシール性能を発揮する最小厚さ寸法をt1、最大厚さ寸法をt2としたときに、t1≦L-(W1+H)≦t2の関係を満たすことを特徴とする。 The joining structure of the present invention is a joining structure in which a longitudinal end face of a first member is joined to a wall portion of a second member via a sheet-like sealing material, wherein the first member is connected along the longitudinal direction. the wall portion of the second member has an insertion hole through which the screw that is threaded into the threaded portion is inserted; The screw has a stepped portion between the head and the threaded portion, the outer diameter of which is smaller than the outer diameter of the head and larger than the outer diameter of the threaded portion, and which is inserted into the insertion hole. A spacer is sandwiched between the step part and the wall part, the length of the step part is L, the thickness of the wall part is W1, the thickness of the spacer is H, and the minimum thickness at which the sealing material exhibits sealing performance. It is characterized in that it satisfies the relationship t1≦L−(W1+H)≦t2, where the length dimension is t1 and the maximum thickness dimension is t2.

本発明の接合構造は、第1部材の長手方向の端面を、シート状のシール材を介して第2部材の壁部に接合する接合構造であって、前記第1部材は、長手方向に沿って進入するねじが螺合されるねじ螺合部を有し、前記第2部材の前記壁部は、前記ねじ螺合部に螺合される前記ねじが挿通される挿通穴を有し、前記ねじは、頭部とねじ部との間に、前記頭部の外径より小さく前記ねじ部の外径より大きな外径であり前記挿通穴に挿通される段部を有し、前記段部の長さをL、前記壁部の厚みをW2、前記シール材がシール性能を発揮する最小厚さ寸法をt1、最大厚さ寸法をt2としたときに、t1≦L-W2≦t2の関係を満たすことを特徴とする。 The joining structure of the present invention is a joining structure in which a longitudinal end face of a first member is joined to a wall portion of a second member via a sheet-like sealing material, wherein the first member is connected along the longitudinal direction. the wall portion of the second member has an insertion hole through which the screw that is threaded into the threaded portion is inserted; The screw has a stepped portion between the head and the threaded portion, the outer diameter of which is smaller than the outer diameter of the head and larger than the outer diameter of the threaded portion, and which is inserted into the insertion hole, and the stepped portion is inserted into the insertion hole. When the length is L, the thickness of the wall portion is W2, the minimum thickness dimension at which the sealing material exhibits sealing performance is t1, and the maximum thickness dimension is t2, the relationship t1≦L−W2≦t2 is established. It is characterized by satisfying the following.

本発明の建具は、前記接合構造により接合された枠体を有することを特徴とする。 The fitting of the present invention is characterized in that it has a frame joined by the above-mentioned joining structure.

本発明の接合構造および建具によれば、接合部の止水性能を向上できる。 According to the joint structure and fittings of the present invention, the water-stopping performance of the joint can be improved.

第1実施形態の接合構造を示す斜視図である。FIG. 2 is a perspective view showing a joining structure of the first embodiment. 第1実施形態の接合構造の構成を示す分解斜視図である。FIG. 2 is an exploded perspective view showing the configuration of the joining structure of the first embodiment. 第1実施形態の接合構造の断面を示す模式図である。FIG. 2 is a schematic diagram showing a cross section of the joining structure of the first embodiment. 第2実施形態の接合構造の構成を示す分解斜視図である。FIG. 7 is an exploded perspective view showing the configuration of a joint structure according to a second embodiment. 第2実施形態の接合構造の断面を示す模式図である。FIG. 7 is a schematic diagram showing a cross section of a joining structure according to a second embodiment. 第1実施形態の接合構造に用いられるスペーサーを示す平面図である。FIG. 3 is a plan view showing a spacer used in the joining structure of the first embodiment.

[第1実施形態]
以下、本発明の第1実施形態に係る接合構造、及び、この接合構造により接合された枠体を備えた建具について図面を参照して説明する。
[First embodiment]
EMBODIMENT OF THE INVENTION Hereinafter, the joining structure based on 1st Embodiment of this invention, and the fitting provided with the frame joined by this joining structure are demonstrated with reference to drawings.

本実施形態においては、浴室の出入り口に設けられ、図示しない折戸を支持する枠体を備えた浴室用の建具を例に挙げ、アルミニウム製の押出形材でなる上枠、下枠および左右の縦枠を四周枠組みした枠体の、第1部材としての下枠と第2部材としての縦枠との接合部にて本発明の接合構造を説明する。 In this embodiment, we will take as an example a bathroom fixture that is installed at the entrance of a bathroom and has a frame that supports a folding door (not shown). The joint structure of the present invention will be explained with reference to the joint portion between the lower frame as the first member and the vertical frame as the second member of a frame body made of four circumferential frames.

以下の説明においては、枠体が浴室の出入り口に取り付けられた状態で浴室側から見たときに、上下となる方向を上下方向、左右となる方向を左右方向、浴室から脱衣室に向かう奥行き方向を見込み方向として示す。
また、縦枠については、矩形状に枠組みされた状態で左右の縦枠において互いに対向する側を内側、反対側を外側として説明する。
In the following explanation, when the frame is attached to the bathroom doorway and viewed from the bathroom side, the vertical direction is the vertical direction, the horizontal direction is the horizontal direction, and the depth direction from the bathroom to the dressing room. is shown as the expected direction.
Further, regarding the vertical frame, in the left and right vertical frames in a rectangular frame, the mutually opposing sides will be described as inside and the opposite side will be described as outside.

図1、図2に示すように、枠体10を構成する下枠1及び右の縦枠(以下、単に縦枠という)2は、下枠1の右側の端面1Aと縦枠2の見込み方向に沿った壁部2Bの内側面2Aとの間に、シート状のシール材3を介して、ねじ4により接合されている。なお、本実施形態では、図2に示すように、スペーサー5を介してねじ4を接合している。 As shown in FIGS. 1 and 2, the lower frame 1 and the right vertical frame (hereinafter simply referred to as the vertical frame) 2 constituting the frame body 10 are arranged in the direction of the right end surface 1A of the lower frame 1 and the vertical frame 2. The inner surface 2A of the wall portion 2B along the inner surface 2A is connected to the inner surface 2A of the wall portion 2B with a sheet-shaped sealing material 3 interposed therebetween by screws 4. In addition, in this embodiment, as shown in FIG. 2, the screws 4 are joined via the spacer 5.

ねじ4は、図2、図3に示すように、ねじ部41と頭部42との間に、ねじ部41の外径D1より大きく、頭部42の外径D2より小さな外径D3をなす円柱状の段部43が設けられた段付きのねじ4である。また、段部43の軸方向の長さはLとされている。 As shown in FIGS. 2 and 3, the screw 4 has an outer diameter D3 between the threaded portion 41 and the head 42, which is larger than the outer diameter D1 of the threaded portion 41 and smaller than the outer diameter D2 of the head 42. This is a stepped screw 4 provided with a cylindrical stepped portion 43. Further, the length of the stepped portion 43 in the axial direction is L.

下枠1は、折戸が案内されるレール1Bと、2つのねじ螺合部1Cとを有している。レール1Bおよびねじ螺合部1Cは、下枠1の長手方向つまり左右方向に沿って連続して形成されている。
2つのねじ螺合部1Cは、下枠1の見込み方向に離れて形成されている。2つのねじ螺合部1Cは、アルミニウム製の押出形材などで一般的なビスホールであり、見込み方向において互いに間隔を空けて下方に向かって、かつ、互いに反対側に膨らみつつ湾曲する弧状に延出された2つの延出片を有している。
The lower frame 1 has a rail 1B along which the folding door is guided, and two screw threaded parts 1C. The rail 1B and the threaded portion 1C are continuously formed along the longitudinal direction of the lower frame 1, that is, the left-right direction.
The two screw threaded portions 1C are formed apart from each other in the direction in which the lower frame 1 is viewed. The two screw threaded parts 1C are screw holes that are common in extruded aluminum shapes, and extend in an arc shape that curves downward with a space between them in the perspective direction and bulges in opposite directions. It has two extending pieces.

縦枠2は、下枠1との接合面をなし見込み方向に沿う壁部2Bを有し、壁部2Bには、上下方向に沿って設けられ、展張した折戸と脱衣室側にて対向する対向片2Cと、下端部に下枠1を接合するための段付きのねじ4が挿通される2つの挿通穴2Dが設けられている。
挿通穴2Dの内径は、ねじ4の頭部42の外径D2よりも小さく、ねじ4の段部43の外径D3より僅かに大きく形成されている。
The vertical frame 2 has a wall portion 2B that forms a joint surface with the lower frame 1 and extends in the direction of view, and the wall portion 2B is provided along the vertical direction and faces the unfolded folding door on the changing room side. Two insertion holes 2D into which stepped screws 4 for joining the lower frame 1 are inserted are provided in the opposing piece 2C and the lower end thereof.
The inner diameter of the insertion hole 2D is smaller than the outer diameter D2 of the head 42 of the screw 4 and slightly larger than the outer diameter D3 of the stepped portion 43 of the screw 4.

シール材3は、シート状をなしブチルゴムなどの軟質な部材で形成されている。シール材3は、下枠1の端面1Aの輪郭をなす縁よりも、全周に亘って大きな形状をなしている。また、シール材3には、下枠1の端面1Aと縦枠2の壁部2Bとの間に介在されたときに、ねじ螺合部1C及び挿通穴2Dと位置が合うように、ねじ4が貫通される挿通穴3Aが設けられている。
挿通穴3Aの内径は、挿通穴2Dと同様に、ねじ4の段部43の外径D3より僅かに大きく、かつ、頭部42の外径D2より小さく形成されている。
また、シール材3は、図3(A)に示すように、下枠1および縦枠2で挟まれていない状態では厚みTAとされている。
The sealing material 3 has a sheet shape and is made of a soft material such as butyl rubber. The sealing material 3 has a larger shape over the entire circumference than the edge forming the outline of the end surface 1A of the lower frame 1. Further, the sealing material 3 is provided with screws so as to be aligned with the screw threading portion 1C and the insertion hole 2D when the sealing material 3 is interposed between the end surface 1A of the lower frame 1 and the wall portion 2B of the vertical frame 2. An insertion hole 3A is provided through which the hole 3A is inserted.
The inner diameter of the insertion hole 3A is slightly larger than the outer diameter D3 of the stepped portion 43 of the screw 4 and smaller than the outer diameter D2 of the head 42, similarly to the insertion hole 2D.
Furthermore, as shown in FIG. 3(A), the sealing material 3 has a thickness of TA when it is not sandwiched between the lower frame 1 and the vertical frame 2.

スペーサー5は、挿通穴5Aを有するリング状のワッシャーで構成され、厚みHの平板状とされている。挿通穴5Aの内径は、挿通穴2D、挿通穴3Aと同様に、ねじ4の段部43の外径D3より僅かに大きく、かつ、頭部42の外径D2より小さく形成されている。
スペーサー5の材質は特に限定されていないが、ねじ4がステンレス製の場合、異種接触を避けるために同じステンレス製であることが好ましい。
The spacer 5 is composed of a ring-shaped washer having an insertion hole 5A, and has a flat plate shape with a thickness H. The inner diameter of the insertion hole 5A is slightly larger than the outer diameter D3 of the stepped portion 43 of the screw 4 and smaller than the outer diameter D2 of the head 42, similarly to the insertion hole 2D and the insertion hole 3A.
The material of the spacer 5 is not particularly limited, but if the screw 4 is made of stainless steel, it is preferably made of the same stainless steel to avoid contact of different types.

本実施形態では、ねじ4の段部43の長さLと、縦枠2の壁部2Bの厚みW1と、スペーサー5の厚みHとは、シール材3がシール性能を発揮するための厚さ寸法範囲の最小厚みをt1、最大厚みをt2としたときに、以下の式(1)となるように設定されている。
t1≦L-(W1+H)≦t2…(1)
In this embodiment, the length L of the stepped portion 43 of the screw 4, the thickness W1 of the wall portion 2B of the vertical frame 2, and the thickness H of the spacer 5 are the thickness for the sealing material 3 to exhibit sealing performance. When the minimum thickness of the dimension range is t1 and the maximum thickness is t2, the following equation (1) is set.
t1≦L-(W1+H)≦t2…(1)

この際、スペーサー5として、厚みHが異なる複数種類のスペーサー5を用意することで、壁部2Bの厚みW1が製品や部材によって異なる場合でも上記式(1)を満たすことができる。
シール材3の圧縮前の厚みTAは、少なくとも前記最小厚みt1よりも厚くされている。また、厚みTAは最大厚みt2よりも厚くされていることが好ましい。さらに、図3(B)に示すように、内側面2Aおよび端面1A間で挟まれている状態では、シール材3は圧縮されて厚みTBとされている。なお、厚みTB=L-(W1+H)である。
At this time, by preparing a plurality of types of spacers 5 having different thicknesses H, the above formula (1) can be satisfied even when the thickness W1 of the wall portion 2B varies depending on the product or member.
The thickness TA of the sealing material 3 before compression is made thicker than at least the minimum thickness t1. Moreover, it is preferable that the thickness TA is thicker than the maximum thickness t2. Furthermore, as shown in FIG. 3(B), the sealing material 3 is compressed to have a thickness TB when it is sandwiched between the inner surface 2A and the end surface 1A. Note that the thickness TB=L−(W1+H).

下枠1と縦枠2とを接合する場合には、まず、縦枠2の壁部2Bの内側面2Aにシール材3を貼り付ける。このとき、壁部2Bの挿通穴2Dと、シール材3の挿通穴3Aとの位置を合わせておく。 When joining the lower frame 1 and the vertical frame 2, the sealing material 3 is first pasted on the inner surface 2A of the wall portion 2B of the vertical frame 2. At this time, the positions of the insertion hole 2D of the wall portion 2B and the insertion hole 3A of the sealing material 3 are aligned.

次に、下枠1のねじ螺合部1Cをシール材3の挿通穴3Aに合わせて下枠1の端面1Aをシール材3に当接させ、壁部2Bの外側から内側に向かってスペーサー5を取り付けたねじ4を挿通穴2D及び挿通穴3Aに進入させてねじ螺合部1Cに螺合する。
ねじ4が締め込まれた状態では、ねじ4の段部43が下枠1の端面1Aに当接する。このため、下枠1の端面1Aと壁部2Bの内側面2Aとの間でシール材3が圧縮されている。すなわち、端面1Aと内側面2Aとの間隔は、L-(W1+H)となり、複数の厚みHのスペーサー5から適切な厚みHのスペーサー5を選択することで、端面1Aと内側面2Aとの間隔つまり圧縮されたシール材3の厚みTBを、最小厚みt1以上、最大厚みt2以下に設定でき、シール性能を確保できる。
Next, align the threaded part 1C of the lower frame 1 with the insertion hole 3A of the sealant 3, bring the end surface 1A of the lower frame 1 into contact with the sealant 3, and move the spacer 5 from the outside to the inside of the wall part 2B. The screw 4 with the attached screw 4 is inserted into the insertion hole 2D and the insertion hole 3A, and is screwed into the threaded portion 1C.
When the screw 4 is tightened, the stepped portion 43 of the screw 4 comes into contact with the end surface 1A of the lower frame 1. Therefore, the sealing material 3 is compressed between the end surface 1A of the lower frame 1 and the inner surface 2A of the wall portion 2B. That is, the distance between the end surface 1A and the inner surface 2A is L-(W1+H), and by selecting a spacer 5 with an appropriate thickness H from a plurality of spacers 5 with thickness H, the distance between the end surface 1A and the inner surface 2A can be adjusted. In other words, the thickness TB of the compressed sealing material 3 can be set to be greater than or equal to the minimum thickness t1 and less than or equal to the maximum thickness t2, thereby ensuring sealing performance.

[第1実施形態の作用効果]
本実施形態の接合構造によれば、ねじ4の段部43を下枠1の端面1Aに当接させて金属材同士のメタルタッチとしているので、ねじ4の頭部42と端面1A間の寸法を、段部43の長さLに正確に管理できる。このため、下枠1および縦枠2間に挟まれるシール材3の厚みTBは、段部43の長さLと、壁部2Bの厚みW1と、スペーサー5の厚みHとによって、L-(W1+H)に設定できる。このため、ねじ4の締め込みトルクに関係なく、シール材3の厚みTBを一定寸法に調整でき、シール材3の厚みTBを、最小厚みt1以上、最大厚みt2以下に確実に設定できてシール性能を確保でき、止水性能を向上できる。
[Operations and effects of the first embodiment]
According to the joining structure of this embodiment, the stepped portion 43 of the screw 4 is brought into contact with the end surface 1A of the lower frame 1 to create a metal touch between metal materials, so that the dimension between the head 42 of the screw 4 and the end surface 1A can be accurately controlled to the length L of the stepped portion 43. Therefore, the thickness TB of the sealing material 3 sandwiched between the lower frame 1 and the vertical frame 2 is determined by L-( W1+H). Therefore, the thickness TB of the sealing material 3 can be adjusted to a constant dimension regardless of the tightening torque of the screw 4, and the thickness TB of the sealing material 3 can be reliably set to a minimum thickness t1 or more and a maximum thickness t2 or less. Performance can be ensured and water stop performance can be improved.

また、スペーサー5を設けることで、下枠1および縦枠2間に挟まれるシール材3の厚みTBを適切に管理できるので、低コストで止水性能を向上できる。例えば、薄板状のスペーサー5を複数枚用意したり、厚さ寸法が異なる複数種類のスペーサー5を用意し、壁部2Bの厚みW1に応じて、ねじ4に取り付けるスペーサー5の枚数や、適切な厚さのスペーサー5を選択するだけでよいため、最小限のコストでシール性能を確実に確保でき、止水性能を向上できる。 Further, by providing the spacer 5, the thickness TB of the sealing material 3 sandwiched between the lower frame 1 and the vertical frame 2 can be appropriately controlled, so that the water-stopping performance can be improved at low cost. For example, by preparing a plurality of thin plate-shaped spacers 5 or by preparing a plurality of types of spacers 5 with different thickness dimensions, the number of spacers 5 to be attached to the screw 4 or the appropriate number can be determined depending on the thickness W1 of the wall portion 2B. Since it is only necessary to select the thickness of the spacer 5, sealing performance can be ensured at a minimum cost, and water-stopping performance can be improved.

ねじ4の締め込みトルクを管理する必要が無く、ねじ4の段部43が下枠1に当接するまでねじ4を締め込めばよいため、接合作業を容易に行うことができ、作業性を向上できる。さらに、作業者が強い力でねじ4を締め付けたとしてもステンレス製のねじ4の段部43がアルミ製の下枠1に当接して頭部42と端面1Aとの間隔を寸法Lに維持できるので、端面1Aと壁部2Bとの間でシール材3が裂けることはないので、高い止水性能を確保することができる。 There is no need to manage the tightening torque of the screw 4, and it is only necessary to tighten the screw 4 until the stepped portion 43 of the screw 4 contacts the lower frame 1, so the joining work can be easily performed and work efficiency is improved. can. Furthermore, even if the operator tightens the screw 4 with strong force, the stepped portion 43 of the stainless steel screw 4 will come into contact with the aluminum lower frame 1, and the distance between the head 42 and the end surface 1A can be maintained at the dimension L. Therefore, the sealing material 3 is not torn between the end face 1A and the wall portion 2B, and high water-stopping performance can be ensured.

シール材3の挿通穴3A、壁部2Bの挿通穴2D、スペーサー5の挿通穴5Aの内径は、段部43の外径D3より大きいので、段部43を挿通穴2D、3A、5Aに挿通させることが可能であり、段部43を下枠1の端面1Aに当接させることができる。
また、シール材3を圧縮した際に、挿通穴3Aの内周面も潰れて段部43の周面に当接して密着するため、止水性能を向上できる。
The inner diameters of the insertion hole 3A of the sealing material 3, the insertion hole 2D of the wall portion 2B, and the insertion hole 5A of the spacer 5 are larger than the outer diameter D3 of the stepped portion 43, so the stepped portion 43 is inserted into the insertion holes 2D, 3A, and 5A. The stepped portion 43 can be brought into contact with the end surface 1A of the lower frame 1.
Furthermore, when the sealing material 3 is compressed, the inner circumferential surface of the insertion hole 3A is also crushed and comes into close contact with the circumferential surface of the stepped portion 43, so that water-stopping performance can be improved.

下枠1が熱により伸長したとしても、下枠1の端面1Aと縦枠2の壁部2Bとの間の隙間は確保されるので、高い止水性能を維持することが可能である。このため、止水性能に優れた接合構造を提供することが可能である。 Even if the lower frame 1 expands due to heat, a gap is maintained between the end surface 1A of the lower frame 1 and the wall portion 2B of the vertical frame 2, so that high water-stopping performance can be maintained. Therefore, it is possible to provide a joint structure with excellent water-stopping performance.

[第2実施形態]
第2実施形態の接合構造について、図4、5を参照して説明する。
第2実施形態の接合構造では、壁部2Bの厚みW2が第1実施形態の厚みW1に比べて厚い場合であり、スペーサー5を設けずにねじ4をねじ螺合部1Cにねじ込んだものである。
このため、第2実施形態では、ねじ4の段部43の長さLと、縦枠2において下枠1との接合面である内側面2Aをなす部位である壁部2Bの厚みW2とは、シール材3がシール性能を発揮するための厚さ寸法範囲の最小厚みをt1、最大厚みをt2としたときに、以下の式(2)となるように設定されている。
t1≦L-W2≦t2…(2)
[Second embodiment]
The joining structure of the second embodiment will be described with reference to FIGS. 4 and 5.
In the joint structure of the second embodiment, the thickness W2 of the wall portion 2B is thicker than the thickness W1 of the first embodiment, and the screw 4 is screwed into the screw threaded portion 1C without providing the spacer 5. be.
Therefore, in the second embodiment, the length L of the stepped portion 43 of the screw 4 and the thickness W2 of the wall portion 2B, which is the portion of the vertical frame 2 that forms the inner surface 2A that is the joint surface with the lower frame 1, are , where t1 is the minimum thickness and t2 is the maximum thickness of the thickness range for the sealing material 3 to exhibit sealing performance, the following formula (2) is set.
t1≦L-W2≦t2…(2)

第2実施形態における下枠1と縦枠2との接合手順は、スペーサー5を用いない点を除き前記第1実施形態と同じであるため、説明を省略する。 The procedure for joining the lower frame 1 and the vertical frame 2 in the second embodiment is the same as in the first embodiment except that the spacer 5 is not used, and therefore the description thereof will be omitted.

[第2実施形態の作用効果]
第2実施形態の接合構造においても、前記第1実施形態と同様の作用効果を奏することができる。例えば、ねじ4の段部43を下枠1の端面1Aに当接させて金属材同士のメタルタッチとしているので、ねじ4の頭部42と端面1A間の寸法を、段部43の長さLに正確に管理できる。このため、下枠1および縦枠2間に挟まれるシール材3の厚みTBは、段部43の長さLと、壁部2Bの厚みW2とによって、L-W2に設定できる。このため、ねじ4の締め込みトルクに関係なく、シール材3の厚みTBを一定寸法に調整でき、シール材3の厚みTBを、最小厚みt1以上、最大厚みt2以下に確実に設定できてシール性能を確保でき、止水性能を向上できる。
すなわち、第2実施形態は、スペーサー5を用いない点を除き、第1実施形態と同様の接合構造であるため、第1実施形態と同様の作用効果を奏することができる。
[Operations and effects of the second embodiment]
The joining structure of the second embodiment can also provide the same effects as those of the first embodiment. For example, since the stepped portion 43 of the screw 4 is brought into contact with the end surface 1A of the lower frame 1 to create a metal touch between metal materials, the dimension between the head 42 of the screw 4 and the end surface 1A is determined by the length of the stepped portion 43. L can be accurately managed. Therefore, the thickness TB of the sealing material 3 sandwiched between the lower frame 1 and the vertical frame 2 can be set to L-W2 by the length L of the stepped portion 43 and the thickness W2 of the wall portion 2B. Therefore, the thickness TB of the sealing material 3 can be adjusted to a constant dimension regardless of the tightening torque of the screw 4, and the thickness TB of the sealing material 3 can be reliably set to a minimum thickness t1 or more and a maximum thickness t2 or less. Performance can be ensured and water stop performance can be improved.
That is, since the second embodiment has the same joining structure as the first embodiment except that the spacer 5 is not used, it can achieve the same effects as the first embodiment.

[変形例]
本発明は、以上の各実施形態で説明した構成のものに限定されず、本発明の目的を達成できる範囲での変形例は、本発明に含まれる。
上記第1実施形態においては、スペーサー5として、図6(A)に示すような、平面リング状のワッシャーを用いていたが、図6(B)に示すような平面U字状に形成されて段部43が挿通可能な挿通溝6Aを有するスペーサー6や、図6(C)に示すような平面矩形状に形成されて段部43が挿通可能な挿通穴7Aを有するスペーサー7を用いてもよい。すなわち、スペーサーとしては、平板状であり、ねじ4の段部43を挿通可能な挿通穴や挿通溝を備えればよい。
[Modified example]
The present invention is not limited to the configurations described in each of the above embodiments, and the present invention includes modifications within a range that can achieve the object of the present invention.
In the first embodiment, a flat ring-shaped washer as shown in FIG. 6(A) was used as the spacer 5, but a washer formed in a flat U-shape as shown in FIG. 6(B) A spacer 6 having an insertion groove 6A through which the stepped portion 43 can be inserted, or a spacer 7 having a rectangular planar shape and having an insertion hole 7A through which the stepped portion 43 can be inserted as shown in FIG. 6(C) may be used. good. That is, the spacer may have a flat plate shape and include an insertion hole or an insertion groove through which the stepped portion 43 of the screw 4 can be inserted.

図6に示すように、平面形状が異なる各スペーサー5、6、7を、厚さ寸法もそれぞれ異なるように構成してもよい。これにより、作業者は、壁部2Bの厚みW1に応じて厚さが異なるスペーサー5、6、7を正確にかつ容易に選択でき、シール材3を適切に圧縮してシール性能を確保できる。 As shown in FIG. 6, spacers 5, 6, and 7 having different planar shapes may also be configured to have different thickness dimensions. Thereby, the operator can accurately and easily select the spacers 5, 6, and 7 having different thicknesses according to the thickness W1 of the wall portion 2B, and can appropriately compress the sealing material 3 to ensure sealing performance.

スペーサー5は、色や模様を厚さ寸法に応じて変更してもよい。例えば、スペーサー5をワッシャーで構成した場合に、厚さ寸法に応じて異なる色や模様に着色してもよい。これにより、作業者は、壁部2Bの厚みW1に応じて選択すべきスペーサー5を色で判別できるので、適切なスペーサー5を容易に選択できる。 The color and pattern of the spacer 5 may be changed depending on the thickness dimension. For example, when the spacer 5 is formed of a washer, it may be colored in a different color or pattern depending on the thickness dimension. Thereby, the operator can distinguish the spacer 5 to be selected according to the color according to the thickness W1 of the wall portion 2B, and therefore can easily select the appropriate spacer 5.

スペーサー5、6、7は、壁部2Bの厚みW1に応じて使用する枚数を変更してもよい。この際、同じ厚さのスペーサー5、6、7を複数枚用いてもよいし、異なる厚さのスペーサー5、6、7を組み合わせて用いてもよい。 The number of spacers 5, 6, and 7 used may be changed depending on the thickness W1 of the wall portion 2B. At this time, a plurality of spacers 5, 6, and 7 having the same thickness may be used, or spacers 5, 6, and 7 having different thicknesses may be used in combination.

段付きのねじ4は、段部43の寸法Lが異なるねじ4を複数種類用意してもよい。この場合、ねじ4とスペーサー5とを適宜組み合わせることで、壁部2Bの厚みW1が異なる様々な部材の接合に利用できる。 A plurality of types of stepped screws 4 having different dimensions L of the stepped portions 43 may be prepared. In this case, by appropriately combining the screws 4 and spacers 5, it can be used to join various members whose wall portions 2B have different thicknesses W1.

下枠1と縦枠2とを複数のねじ4で接合する場合に、ねじ4の接合位置に応じてスペーサー5の厚さを異ならせて、シール材3の圧縮量をねじ4ごとに変更してもよい。すなわち、各ねじ4の接合位置によって止水性能を確保するためのシール材3の圧縮量が変わる場合、各接合位置に応じた厚みHのスペーサー5を選択すれば、シール材3の圧縮量を適正に調整できる。 When joining the lower frame 1 and the vertical frame 2 with a plurality of screws 4, the thickness of the spacer 5 is varied depending on the joining position of the screws 4, and the amount of compression of the sealing material 3 is changed for each screw 4. It's okay. In other words, if the amount of compression of the sealing material 3 to ensure water-stopping performance changes depending on the joining position of each screw 4, by selecting the spacer 5 with the thickness H according to each joining position, the amount of compression of the sealing material 3 can be adjusted. Can be adjusted appropriately.

上記各実施形態では、本発明に係る接合構造を、浴室用の建具が備える枠体10の下枠1と縦枠2との接合部に適用した例について説明したが、これに限るものではない。例えば、建具は、浴室用でなくとも構わない。また、例えば、上枠と縦枠との接合部や、縦框と横框との接合部など、第1部材と、第1部材の端面に当接させた第2部材とを、第1部材の長手方向に進入するねじにより接合する接合部であれば構わない。 In each of the above embodiments, an example has been described in which the joint structure according to the present invention is applied to the joint between the lower frame 1 and the vertical frame 2 of the frame 10 included in bathroom fittings, but the invention is not limited to this. . For example, the fittings do not have to be for a bathroom. Further, for example, the first member and the second member that is in contact with the end surface of the first member, such as the joint between the upper frame and the vertical frame or the joint between the vertical stile and the horizontal stile, can be connected to the first member. Any joint may be used as long as it is joined by a screw that enters in the longitudinal direction.

[発明のまとめ]
本発明の接合構造は、第1部材の長手方向の端面を、シート状のシール材を介して第2部材の壁部に接合する接合構造であって、前記第1部材は、長手方向に沿って進入するねじが螺合されるねじ螺合部を有し、前記第2部材の前記壁部は、前記ねじ螺合部に螺合される前記ねじが挿通される挿通穴を有し、前記ねじは、頭部とねじ部との間に、前記頭部の外径より小さく前記ねじ部の外径より大きな外径であり前記挿通穴に挿通される段部を有し、前記ねじの頭部と前記壁部との間にはスペーサーが挟持され、前記段部の長さをL、前記壁部の厚みをW1、前記スペーサーの厚みをH、前記シール材がシール性能を発揮する最小厚さ寸法をt1、最大厚さ寸法をt2としたときに、t1≦L-(W1+H)≦t2の関係を満たすことを特徴とする。
本発明によれば、ねじの段部を下枠の端面に当接させているので、ねじの頭部と端面間の寸法を、段部の長さLに正確に管理できる。このため、下枠および縦枠間に挟まれるシール材の厚みは、段部の長さLと、壁部の厚みW1と、スペーサーの厚みHとによって、L-(W1+H)に設定できる。このため、ねじの締め込みトルクに関係なく、シール材の厚みを一定寸法に調整でき、シール材の厚みを、最小厚みt1以上、最大厚みt2以下に確実に設定できてシール性能を確保でき、止水性能を向上できる。
[Summary of the invention]
The joining structure of the present invention is a joining structure in which a longitudinal end face of a first member is joined to a wall portion of a second member via a sheet-like sealing material, wherein the first member is connected along the longitudinal direction. the wall portion of the second member has an insertion hole through which the screw that is threaded into the threaded portion is inserted; The screw has a stepped portion between the head and the threaded portion, the outer diameter of which is smaller than the outer diameter of the head and larger than the outer diameter of the threaded portion, and which is inserted into the insertion hole. A spacer is sandwiched between the step part and the wall part, the length of the step part is L, the thickness of the wall part is W1, the thickness of the spacer is H, and the minimum thickness at which the sealing material exhibits sealing performance. It is characterized in that it satisfies the relationship t1≦L−(W1+H)≦t2, where the length dimension is t1 and the maximum thickness dimension is t2.
According to the present invention, since the stepped portion of the screw is brought into contact with the end surface of the lower frame, the dimension between the head of the screw and the end surface can be accurately controlled to the length L of the stepped portion. Therefore, the thickness of the sealing material sandwiched between the lower frame and the vertical frame can be set to L-(W1+H) by the length L of the stepped portion, the thickness W1 of the wall portion, and the thickness H of the spacer. Therefore, the thickness of the sealing material can be adjusted to a constant dimension regardless of the tightening torque of the screw, and the thickness of the sealing material can be reliably set to a minimum thickness of t1 or more and a maximum thickness of t2 or less, ensuring sealing performance. Can improve water stop performance.

本発明の接合構造において、前記スペーサーは、厚さ寸法が異なる複数種類のスペーサーから選択された1つまたは複数のスペーサーで構成されていてもよい。
スペーサーを厚さ寸法が異なる複数種類のスペーサーから選択された1つまたは複数のスペーサーで構成すれば、壁部の厚みW1に応じて、ねじに取り付けるスペーサーの枚数や、適切な厚さのスペーサーを選択するだけでよいため、最小限のコストでシール性能を確実に確保でき、止水性能を向上できる。
In the joining structure of the present invention, the spacer may be composed of one or more spacers selected from a plurality of types of spacers having different thickness dimensions.
If the spacer is composed of one or more spacers selected from multiple types of spacers with different thickness dimensions, the number of spacers to be attached to the screw and the spacer with an appropriate thickness can be determined depending on the wall thickness W1. Because all you have to do is select, you can ensure sealing performance and improve water-stopping performance at a minimum cost.

本発明の接合構造において、前記スペーサーは、厚さ寸法ごとに平面形状または色の少なくとも一方が異なることが好ましい。
作業者は、壁部の厚みW1に応じて選択すべきスペーサーを平面形状や色で判別できるので、適切なスペーサーを容易に選択できる。
In the joining structure of the present invention, it is preferable that at least one of the planar shape and color of the spacer differs depending on the thickness dimension.
Since the operator can identify the spacer to be selected based on the planar shape and color according to the thickness W1 of the wall portion, the operator can easily select an appropriate spacer.

本発明の接合構造は、第1部材の長手方向の端面を、シート状のシール材を介して第2部材の壁部に接合する接合構造であって、前記第1部材は、長手方向に沿って進入するねじが螺合されるねじ螺合部を有し、前記第2部材の前記壁部は、前記ねじ螺合部に螺合される前記ねじが挿通される挿通穴を有し、前記ねじは、頭部とねじ部との間に、前記頭部の外径より小さく前記ねじ部の外径より大きな外径であり前記挿通穴に挿通される段部を有し、前記段部の長さをL、前記壁部の厚みをW2、前記シール材がシール性能を発揮する最小厚さ寸法をt1、最大厚さ寸法をt2としたときに、t1≦L-W2≦t2の関係を満たすことを特徴とする。
本発明によれば、ねじの段部を下枠の端面に当接させているので、ねじの頭部と端面間の寸法を、段部の長さLに正確に管理できる。このため、下枠および縦枠間に挟まれるシール材の厚みは、段部の長さLと、壁部の厚みW2とによって、L-W2に設定できる。このため、ねじの締め込みトルクに関係なく、シール材の厚みを一定寸法に調整でき、シール材の厚みを、最小厚みt1以上、最大厚みt2以下に確実に設定できてシール性能を確保でき、止水性能を向上できる。
The joining structure of the present invention is a joining structure in which a longitudinal end face of a first member is joined to a wall portion of a second member via a sheet-like sealing material, wherein the first member is connected along the longitudinal direction. the wall portion of the second member has an insertion hole through which the screw that is threaded into the threaded portion is inserted; The screw has a stepped portion between the head and the threaded portion, the outer diameter of which is smaller than the outer diameter of the head and larger than the outer diameter of the threaded portion, and which is inserted into the insertion hole, and the stepped portion is inserted into the insertion hole. When the length is L, the thickness of the wall portion is W2, the minimum thickness dimension at which the sealing material exhibits sealing performance is t1, and the maximum thickness dimension is t2, the relationship t1≦L−W2≦t2 is established. It is characterized by satisfying the following.
According to the present invention, since the stepped portion of the screw is brought into contact with the end surface of the lower frame, the dimension between the head of the screw and the end surface can be accurately controlled to the length L of the stepped portion. Therefore, the thickness of the sealing material sandwiched between the lower frame and the vertical frame can be set to L-W2 by the length L of the stepped portion and the thickness W2 of the wall portion. Therefore, the thickness of the sealing material can be adjusted to a constant dimension regardless of the tightening torque of the screw, and the thickness of the sealing material can be reliably set to a minimum thickness of t1 or more and a maximum thickness of t2 or less, ensuring sealing performance. Can improve water stop performance.

本発明の建具は、前記接合構造により接合された枠体を有することを特徴とする。
本発明によれば、建具は、前記接合構造を用いた枠体を有するため、止水性能を向上できる。
The fitting of the present invention is characterized in that it has a frame joined by the above-mentioned joining structure.
According to the present invention, since the fitting has a frame using the above-mentioned joining structure, water-stopping performance can be improved.

1…下枠、1A…端面、1C…ねじ螺合部、2…縦枠、2A…内側面、2B…壁部、2D…挿通穴、3…シール材、3A…挿通穴、4…ねじ、5、6、7…スペーサー、5A、7A…挿通穴、6A…挿通溝、10…枠体、41…ねじ部、42…頭部、43…段部。 1... Lower frame, 1A... End surface, 1C... Threaded part, 2... Vertical frame, 2A... Inner surface, 2B... Wall, 2D... Insertion hole, 3... Seal material, 3A... Insertion hole, 4... Screw, 5, 6, 7... Spacer, 5A, 7A... Insertion hole, 6A... Insertion groove, 10... Frame, 41... Threaded part, 42... Head, 43... Step part.

Claims (4)

第1部材の長手方向の端面を、シート状のシール材を介して第2部材の壁部に接合する接合構造であって、
前記第1部材は、長手方向に沿って進入するねじが螺合されるねじ螺合部を有し、
前記第2部材の前記壁部は、前記ねじ螺合部に螺合される前記ねじが挿通される挿通穴を有し、
前記ねじは、頭部とねじ部との間に、前記頭部の外径より小さく前記ねじ部の外径より大きな外径であり前記挿通穴に挿通される段部を有し、
前記ねじの頭部と前記壁部との間にはスペーサーが挟持され、
前記段部の長さをL、前記壁部の厚みをW1、前記スペーサーの厚みをH、前記シール材がシール性能を発揮する最小厚さ寸法をt1、最大厚さ寸法をt2としたときに、
t1≦L-(W1+H)≦t2の関係を満たすことを特徴とする接合構造。
A joining structure in which a longitudinal end surface of a first member is joined to a wall portion of a second member via a sheet-like sealing material,
The first member has a screw threading portion into which a screw that enters in the longitudinal direction is threaded,
The wall portion of the second member has an insertion hole through which the screw that is screwed into the screw threading portion is inserted,
The screw has a stepped portion between the head and the threaded portion, the outer diameter of which is smaller than the outer diameter of the head and larger than the outer diameter of the threaded portion, and which is inserted into the insertion hole;
A spacer is sandwiched between the head of the screw and the wall,
When the length of the stepped portion is L, the thickness of the wall portion is W1, the thickness of the spacer is H, the minimum thickness dimension at which the sealing material exhibits sealing performance is t1, and the maximum thickness dimension is t2. ,
A joining structure characterized by satisfying the relationship t1≦L−(W1+H)≦t2.
請求項1に記載の接合構造において、
前記スペーサーは、厚さ寸法が異なる複数種類のスペーサーから選択された1つまたは複数のスペーサーで構成されている
ことを特徴とする接合構造。
The joining structure according to claim 1,
A joining structure characterized in that the spacer is composed of one or more spacers selected from a plurality of types of spacers having different thickness dimensions.
請求項2に記載の接合構造において、
前記スペーサーは、厚さ寸法ごとに平面形状または色の少なくとも一方が異なる
ことを特徴とする接合構造。
The joining structure according to claim 2,
The joining structure is characterized in that the spacer has at least one different planar shape or color depending on the thickness dimension.
請求項1から請求項のいずれか一項に記載の接合構造により接合された枠体を有する建具。 A fitting having a frame joined by the joining structure according to any one of claims 1 to 3 .
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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4938348B2 (en) 2000-05-26 2012-05-23 シェーリング コーポレイション Adenosine A2A receptor antagonist

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4938348B2 (en) 2000-05-26 2012-05-23 シェーリング コーポレイション Adenosine A2A receptor antagonist

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