JP2005290672A - Floor panel supporting leg for free access floor - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a supporting leg to be installed on a floor bed for supporting a corner portion of a floor panel for a free access floor at a predetermined floor height. <P>SOLUTION: The supporting leg comprises a base plate 1 to be placed on the floor bed, a supporting column 2 fixed at its lower end to the base plate 1, and a panel receiving part screwed to the supporting column 2. The panel support part 3 consists of an upper plate member 4 on which the corner portion of the floor panel is placed and a lower plate member 5 having a female screw portion 8' to be screwed to the supporting column 2 for supporting the upper plate member 4. The lower plate member 5 is formed with cold deep drawing of one steel plate and upsetting press machining. It consists of a horizontal plate portion 6 horizontally overlapped with the upper plate member 4, a funnel portion 7 provided ranging from the horizontal plate portion 6 with its central portion protruded downward, and a cylindrical portion 8 cylindrically formed at the lower end of the funnel portion 7 with the female screw 8' machined on the inner peripheral face. The cylindrical portion 8 has a plate thickness greater than the plate thickness of the funnel portion 7 and is formed with upsetting. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

この発明は、床基盤上に設置してフリーアクセスフロア用床パネルのコーナー部を所定の床高さに支持する支持脚の技術分野に属し、更に云えば、床基盤上に載置されるベースプレートと、前記ベースプレートに下端を固定して垂直に立てられた外周に雄ねじを有する支柱と、前記支柱へねじ接合されたパネル受部とから成る床パネルの支持脚に関する。   The present invention belongs to the technical field of support legs that are installed on a floor base and support corner portions of a floor panel for a free access floor at a predetermined floor height, and more specifically, a base plate placed on the floor base And a support leg of a floor panel comprising a column having a male screw on an outer periphery standing vertically with a lower end fixed to the base plate, and a panel receiving portion screwed to the column.

方形の床パネルを碁盤目状に敷き並べ、碁盤目交点の位置で床パネルを共通の支持脚で支持するフリーアクセスフロアを施工する際、前記床パネルを同一の高さに支持する必要がある。通例コンクリート仕上げされた床基盤の不陸は数１０ｍｍに及ぶのが一般的であり、特定の支持脚で高さ調節ができる範囲は限られているため、予め高さが異なる数種の支持脚を用意し、床基盤の不陸に応じて選択し使い分けている。
したがって、支持脚の高さ調節の可能範囲が大きければ、予め用意する支持脚の種類は少なくて済むこととなる。 When building a free-access floor where square floor panels are laid out in a grid pattern and the floor panel is supported by a common support leg at the grid grid intersection, the floor panel must be supported at the same height. . In general, the unevenness of the floor base with concrete finish is generally several tens of millimeters, and since the range in which the height can be adjusted with a specific support leg is limited, there are several kinds of support legs with different heights in advance. Are selected and used according to the unevenness of the floor base.
Therefore, if the possible range of height adjustment of the support legs is large, the number of types of support legs prepared in advance can be reduced.

フリーアクセスフロア用床パネルのコーナー部を所定の床高さに支持する高さ調節機能を備えた支持脚は種々公知であり実用に供されている。例えば特許文献１に開示された支持脚は、下端をベースプレートに固定されて直立する支柱の上部に平面視が円形で略水平なパネル受部を設けた構成である。前記パネル受部の下面部にナットが溶接されており、このナットを支柱へねじ込み回すことにより、床パネルの床高さを調節する構成である。前記パネル受部は、床パネルのコーナー部を載置する上板部材と、該上板部材を支える下板部材とをスポット溶接で一体的に接合した構成である。
特許文献２に開示された支持脚は、パネル受部の支持に長ナットを採用して、床高さの調節代を大きくした構成である。 Various support legs having a height adjusting function for supporting a corner portion of a floor panel for a free access floor at a predetermined floor height are known and put into practical use. For example, the supporting leg disclosed in Patent Document 1 has a configuration in which a panel receiving portion having a circular shape in a plan view and a substantially horizontal shape is provided on an upright column whose upper end is fixed to a base plate and stands upright. A nut is welded to the lower surface portion of the panel receiving portion, and the floor height of the floor panel is adjusted by screwing the nut around the support column. The panel receiving portion has a configuration in which an upper plate member on which a corner portion of a floor panel is placed and a lower plate member that supports the upper plate member are integrally joined by spot welding.
The support leg disclosed in Patent Document 2 employs a long nut for supporting the panel receiving portion, and has a configuration in which an adjustment margin for the floor height is increased.

特許文献３に開示された支持脚は、プレス加工で角筒状に成形された長いパイプ材の
下端部を円筒状の細径部に絞り、その内周面に雌ねじを加工して支柱へねじ接合し床高さの調節代を大きくした構成である。前記パイプ材の上部外周面に鍔状部が形成され、該鍔状部の上へ中央部分を椀形状とした下板部材の中心部の孔を嵌め込み、その上側に上段の鍔状部を成形して下板部材の孔縁を挟持するようにかしめ接合されている。前記パイプ材の上端部には、プレス成形された係合部材の筒部が嵌め込まれ、１８０°対称の位置を内方へ打ち出すようにかしめて固定されている。下板部材の上に支持された床パネルのコーナー部は、上板部材の中心部を下向きに貫通された押えねじを前記係合部材へねじ込み固定される。 The support leg disclosed in Patent Document 3 is obtained by narrowing the lower end portion of a long pipe material formed into a rectangular tube shape by pressing into a cylindrical small diameter portion, processing an internal thread on the inner peripheral surface thereof, and screwing it to a support column. It is a structure with a large adjustment allowance for floor height. A hook-shaped portion is formed on the upper outer peripheral surface of the pipe material, and a hole in the center of the lower plate member having a central portion is hooked on the hook-shaped portion, and the upper hook-shaped portion is formed on the upper side. Then, it is crimped and joined so as to sandwich the hole edge of the lower plate member. A cylindrical portion of a press-molded engagement member is fitted into the upper end portion of the pipe material, and is fixed by caulking so that a 180 ° symmetrical position is ejected inward. The corner portion of the floor panel supported on the lower plate member is screwed and fixed to the engaging member with a press screw penetrating downward through the center portion of the upper plate member.

特許文献４に開示された支持脚は、ベースプレートへ上向きに通した支柱の頭をベースプレートと溶接し、この支柱へねじ込んだ調整ナット体の上に、支柱パイプがねじ止めにより固定されている。前記支柱パイプの上部には、合成樹脂成形品であって上部を内外に折り返した２重筒状をなし円筒部の中間に水平方向のピン通し筒部を備えたジョイント部材と、及び金属製で天井壁を有するキャップ状の支柱固定部とをそれぞれ内外二重に嵌め込み、かしめピンを水平方向に貫通させて固定している。床パネルを支持する上板部材とお椀形状の下板部材とをスポット溶接で一体化したパネル受部は、下板部材の中心の孔を前記支柱固定部に嵌めて、その下端のフランジ部で支持されている。   In the support leg disclosed in Patent Document 4, a column pipe is fixed by screwing on an adjustment nut body which is welded to the base plate with the head of the column passed upward to the base plate and screwed into the column. The upper part of the support pipe is a synthetic resin molded product having a double cylindrical shape with the upper part folded inward and outward, and a joint member provided with a horizontal pin-through cylindrical part in the middle of the cylindrical part, and made of metal. A cap-like column fixing portion having a ceiling wall is fitted into the inner and outer doubles, and the caulking pins are fixed in a horizontal direction. The panel receiving part in which the upper plate member that supports the floor panel and the bowl-shaped lower plate member are integrated by spot welding is a method in which the center hole of the lower plate member is fitted into the support column fixing portion and the flange portion at the lower end thereof is fitted. It is supported.

特許文献５に開示された支持脚は、床パネルの床高さの調節をワンタッチ的に行うため、ベースプレートと支柱とをアルミダイキャスト製品として一体成形し、また、パネル受部も前記支柱とねじ接合する雌ねじ部材と合一にアルミダイキャスト製品として一体成形する。そして、前記ボルトの雄ねじ部、及び前記雄ねじ部の一部をそれぞれ軸線方向に切欠き、そこに回転防止用のクサビを差し込む構成とされている。   In the support leg disclosed in Patent Document 5, the base plate and the support are integrally formed as an aluminum die-cast product in order to adjust the floor height of the floor panel in a one-touch manner. It is integrally formed as an aluminum die-cast product together with the female screw member to be joined. And the external thread part of the said volt | bolt and a part of said external thread part are each notched in an axial direction, and it is set as the structure which inserts the wedge for rotation prevention there.

特開平１０−１２１７０５号公報JP-A-10-121705 特開２００３−１２０００６号公報JP 2003-120006 A 特開平６−５７９１８号公報JP-A-6-57918 特開平６−１０４８７号公報JP-A-6-10487 特開２０００−９６８１１号公報JP 2000-96811 A

上記特許文献１に開示された支持脚は、プレス加工と溶接の工程を組み合わせて製造されている。しかし、溶接は、一つ一つ溶接する手間に加え、仕上げにケレン処理が必要であるなど、生産性低下の要因となる。他方、支持脚の高さ調節代は、前記下板部材が下方に膨出している深さによって制限され１０数ｍｍ前後と小さい。   The support leg disclosed in Patent Document 1 is manufactured by combining pressing and welding processes. However, welding is a factor in reducing productivity, such as the need for welding one by one and the need for keren treatment for finishing. On the other hand, the height adjustment allowance of the support leg is limited by the depth at which the lower plate member bulges downward, and is as small as about a few tens of millimeters.

特許文献２に開示された支持脚は、長ナットにより床パネルの高さ調節代を大きくした構成であるが、長ナットは溶接により下板部材に接合されているので、仕上げ手間等の問題がある。   The support leg disclosed in Patent Document 2 has a configuration in which the height adjustment allowance of the floor panel is increased by a long nut. However, since the long nut is joined to the lower plate member by welding, there are problems such as finishing labor. is there.

特許文献３に開示された支持脚は、溶接を用いないで製造され、また、床パネルの床高さの調節をパイプ材の長さ限度に広範囲に行える点で注目される。しかし、パイプ材の上部外周に鍔状部を２段階に形成して下板部材のかしめ接合を行う構成なので、技術的に難しく、手間がかかるので生産性が悪い。また、上板部材が下板部材とは完全に分離独立しているので、現場での使用に際して、上板部材等の数合わせや持ち運びが面倒であり、使い勝手が悪い。   The support leg disclosed in Patent Document 3 is manufactured without using welding, and it is noted that the floor height of the floor panel can be adjusted in a wide range within the length limit of the pipe material. However, it is technically difficult and labor-intensive because the hook member is formed in two stages on the upper outer periphery of the pipe material and the lower plate member is caulked and joined. In addition, since the upper plate member is completely separated and independent from the lower plate member, the number of the upper plate members and the like are troublesome to use in the field, and the usability is poor.

特許文献４に開示された支持脚は、特許文献１、２の支持脚と同様、製造に溶接を用いるという問題点がある。また、合成樹脂成形品のほか、カシメピンその他多数の部品類を用いて製造するので、部品コストが嵩むし、組み立てが面倒で生産性が悪いという欠点がある。   As with the support legs disclosed in Patent Documents 1 and 2, the support legs disclosed in Patent Document 4 have a problem in that welding is used for manufacturing. In addition to the synthetic resin molded product, since it is manufactured using caulking pins and many other parts, there are disadvantages that the cost of parts increases, the assembly is troublesome, and the productivity is poor.

特許文献５に開示された支持脚は、アルミダイキャスト製品を多用しているので高価なものになってしまう。   The support leg disclosed in Patent Document 5 is expensive because it uses many aluminum die-cast products.

本発明の目的は、床基盤の不陸に対して床パネルの床高さの調節が広範囲にでき、構造を簡単にし、且つ部品数を少なくして製造コストの低減を可能にし、更に、製造工程に溶接を無用とし、プレス加工のみで製造ができる、フリーアクセスフロア用床パネルの支持脚を提供することである。   The object of the present invention is to make it possible to adjust the floor height of the floor panel in a wide range with respect to the unevenness of the floor base, simplify the structure, reduce the number of parts, and reduce the manufacturing cost. It is to provide a support leg for a floor panel for a free access floor which can be manufactured only by pressing without using welding in the process.

上記従来技術の課題を解決するための手段として、請求項１に記載した発明に係るフリーアクセスフロア用床パネルの支持脚は、
床基盤上に設置して床パネル１３を所定の床高さに支持する支持脚であって、該支持脚は、床基盤上に載置されるベースプレート１と、前記ベースプレート１に下端を固定して垂直に立てられた外周に雄ねじを有する支柱２と、前記支柱２へねじ接合されたパネル受部３とから成り、
前記パネル受部３は、床パネル１３のコーナー部が載置される上板部材４と、支柱２とねじ接合する雌ねじ部８’を備え前記上板部材４を支持する下板部材５とから成ること、
前記下板部材５は、１枚の鋼板の冷間深絞りと据え込みのプレス加工により成形されており、前記上板部材４と水平に重ね合わされる水平板部６と、該水平板部６に連続してその中央部を下向きに突き出された漏斗状部７と、漏斗状部７の下端に円筒状に形成され内周面に雌ねじ８’を加工された円筒部８とから成り、該円筒部８の板厚は前記漏斗状部７の板厚よりも厚く据え込み成形されていることを特徴とする。 As means for solving the above-mentioned problems of the prior art, the support leg of the floor panel for a free access floor according to the invention described in claim 1 is:
A support leg that is installed on a floor base and supports the floor panel 13 at a predetermined floor height, and the support leg has a base plate 1 placed on the floor base and a lower end fixed to the base plate 1. And a column 2 having a male screw on the outer periphery standing vertically and a panel receiving portion 3 screwed to the column 2,
The panel receiving portion 3 includes an upper plate member 4 on which a corner portion of the floor panel 13 is placed, and a lower plate member 5 that includes an internal thread portion 8 ′ that is screwed to the support column 2 and supports the upper plate member 4. To make,
The lower plate member 5 is formed by cold deep drawing and upsetting pressing of a single steel plate, and a horizontal plate portion 6 that is horizontally overlapped with the upper plate member 4, and the horizontal plate portion 6. A funnel-like portion 7 that protrudes downward from the center portion thereof continuously, and a cylindrical portion 8 that is formed in a cylindrical shape at the lower end of the funnel-like portion 7 and has an internal thread 8 ′ processed on the inner peripheral surface thereof, The thickness of the cylindrical portion 8 is upset and thicker than the thickness of the funnel-shaped portion 7.

請求項２に記載した発明は、請求項１に記載したフリーアクセスフロア用床パネルの支持脚において、
前記漏斗状部７は、逆円錐台形状に形成されていることを特徴とする。 The invention described in claim 2 is the support leg of the floor panel for the free access floor described in claim 1,
The funnel-shaped portion 7 is formed in an inverted truncated cone shape.

請求項３に記載した発明は、請求項１又は２に記載したフリーアクセスフロア用床パネルの支持脚において、
前記上板部材４は、上方から見ると十字状をなす***部９と、前記下板部材５に当接する平坦部１０とを有し、前記十字状***部９の交点部に下向きの円筒部１８が形成され、該円筒部１８の内周面に雌ねじが加工されていることを特徴とする。 The invention described in claim 3 is the support leg of the floor panel for the free access floor described in claim 1 or 2,
The upper plate member 4 has a raised portion 9 that has a cross shape when viewed from above, and a flat portion 10 that comes into contact with the lower plate member 5, and a downward cylindrical portion at an intersection of the cross-shaped raised portion 9. 18 is formed, and an internal thread is processed on the inner peripheral surface of the cylindrical portion 18.

請求項４に記載した発明は、請求項３に記載したフリーアクセスフロア用床パネルの支持脚において、
前記上板部材４と下板部材５とは、上板部材４の平坦部１０の位置を下向きのスポット的なかしめ接合１１により一体的に接合されていることを特徴とする。 The invention described in claim 4 is the support leg of the floor panel for the free access floor described in claim 3,
The upper plate member 4 and the lower plate member 5 are integrally joined by a downward spot-like caulking joint 11 at the position of the flat portion 10 of the upper plate member 4.

請求項５に記載した発明は、請求項４に記載したフリーアクセスフロア用床パネルの支持脚において、
前記かしめ接合１１は、下板部材５の水平板部６に下孔をあけ、該下孔の位置で上板部材４を下孔の口縁内に沿って延伸し、該延伸部４’の先端を前記下板部材５の下面側に折り返した構成であることを特徴とする。 The invention described in claim 5 is the support leg of the floor panel for the free access floor described in claim 4,
The caulking joint 11 forms a lower hole in the horizontal plate portion 6 of the lower plate member 5, and extends the upper plate member 4 along the edge of the lower hole at the position of the lower hole. The tip is folded back to the lower surface side of the lower plate member 5.

請求項１〜５に記載した発明に係るフリーアクセスフロア用床パネルの支持脚は、パネル受部３を構成する下板部材５が、中央部を下向きに突き出された漏斗状部７の存在によって、床パネル１３の床高さの調節を広範囲に行うことができる。したがって、床基盤の不陸に対して用意するべき有効高さの異なる支持脚の種類を少なく、又は無用にできるので、使用上の使い勝手が良く、作業能率の向上に寄与できる。
また、下板部材５は、プレス加工により一体成形され、支柱２へねじ接合する雄ねじ８’を円筒部８に備えた構成であり、ナットを使用していないのでナットを取り付け固定する工程を省略でき、部品点数の削減ができる。円筒部８は、冷間深絞りと据え込みにより厚肉とされているので、内周面に雌ねじを加工しても、床の上載荷重に耐えることができる。
請求項２に記載した支持脚は、漏斗状部７が逆円錐台形状であるので、当該部分の板厚が薄くても耐荷重能力が高い。
請求項４、５に記載した支持脚は、パネル受部３を構成する上板部材４と下板部材５とはかしめ接合１１で一体化され、パネル受部３の製造に溶接は一切使用されず、プレス加工のみにて製造されるから、高速の製造が可能であり、生産性が高い分コストダウンが図れる。 The support leg of the floor panel for a free access floor according to the first to fifth aspects of the present invention is such that the lower plate member 5 constituting the panel receiving portion 3 is formed by the presence of the funnel-like portion 7 protruding downward at the center portion. The floor height of the floor panel 13 can be adjusted over a wide range. Accordingly, since the types of support legs having different effective heights to be prepared against the unevenness of the floor base can be reduced or unnecessary, it is easy to use and can contribute to improvement of work efficiency.
Further, the lower plate member 5 is formed by press working and is provided with a male screw 8 ′ that is screwed to the support column 2 in the cylindrical portion 8. Since no nut is used, the step of attaching and fixing the nut is omitted. And the number of parts can be reduced. Since the cylindrical portion 8 is thickened by cold deep drawing and upsetting, even if an internal thread is processed on the inner peripheral surface, the cylindrical portion 8 can withstand the load on the floor.
Since the support leg described in claim 2 has the funnel-shaped portion 7 having an inverted truncated cone shape, the load bearing ability is high even if the plate thickness of the portion is thin.
The upper and lower plate members 4 and 5 constituting the panel receiving portion 3 are integrated by the caulking joint 11, and welding is used for manufacturing the panel receiving portion 3. In addition, since it is manufactured only by pressing, it can be manufactured at high speed, and the cost can be reduced due to high productivity.

床基盤上に載置されるベースプレート１と、前記ベースプレート１に下端を固定して垂直に立てられた支柱２と、前記支柱２へねじ接合された略水平なパネル受部３とで支持脚を構成する。パネル受部３は、床パネル１３のコーナー部が載置される上板部材４と、支柱２とねじ接合する雌ねじ部を備え前記上板部材４を支持する下板部材５とから成るものとしている。前記下板部材５は１枚の鋼板の冷間深絞りと据え込みのプレス加工により成形し、上板部材４と水平に重ね合わされる水平板部６と該水平板部６に連続してその中央部を下向きに突き出された漏斗状部７と、漏斗状部７の下端に円筒状に形成され内周面に雌ねじを加工された円筒部８とから成るものとし、該円筒部８の板厚は前記漏斗状部７の板厚よりも厚く据え込み成形する。   A support leg is composed of a base plate 1 placed on a floor base, a support column 2 standing vertically with a lower end fixed to the base plate 1, and a substantially horizontal panel receiving portion 3 screwed to the support column 2. Constitute. The panel receiving portion 3 is composed of an upper plate member 4 on which a corner portion of the floor panel 13 is placed, and a lower plate member 5 that includes a female screw portion that is screwed to the support column 2 and supports the upper plate member 4. Yes. The lower plate member 5 is formed by cold deep drawing and upsetting pressing of a single steel plate, and is continuously connected to the horizontal plate portion 6 and the horizontal plate portion 6 which are horizontally overlapped with the upper plate member 4. A funnel-like portion 7 projecting downward from the center portion, and a cylindrical portion 8 formed in a cylindrical shape at the lower end of the funnel-like portion 7 and having an internal thread formed on the inner peripheral surface thereof, and a plate of the cylindrical portion 8 The thickness is set up to be thicker than the thickness of the funnel-shaped portion 7.

図１は、本発明に係るフリーアクセスフロア用床パネルの支持脚の実施例を斜視図として示す。この支持脚は、コンクリート床基盤上に設置して、４枚の床パネルのコーナー部を所定の床高さに支持する構成である。この支持脚の使用状態を図２に示したように、コンクリート床基盤２０上に載置されるベースプレート１と、前記ベースプレート１に下端を固定して垂直に立てられた支柱２と、前記支柱２へねじ接合された略水平なパネル受部３とで構成されている。前記ベースプレート１は、フリーアクセスフロアを構築するべきコンクリート床基盤２０上に接着材等を使用して接着しその位置が固定される。   FIG. 1 shows a perspective view of an embodiment of a support leg of a floor panel for a free access floor according to the present invention. This support leg is configured on a concrete floor base to support the corners of the four floor panels at a predetermined floor height. As shown in FIG. 2, the use state of the support legs is as follows: a base plate 1 placed on a concrete floor base 20, a column 2 standing vertically with a lower end fixed to the base plate 1, and the column 2 It is comprised with the substantially horizontal panel receiving part 3 joined by the helix. The base plate 1 is bonded to a concrete floor base 20 on which a free access floor is to be constructed by using an adhesive or the like, and its position is fixed.

パネル受部３は、床パネル１３の各コーナー部を載置する上板部材４と、前記支柱２とねじ接合する雌ねじ部８’を備え前記上板部材４を支持する下板部材５の２部品で構成されている。図示した上板部材４はプレス成形されて成り、図１及び図３がわかりやすい通り、上方から見ると円形であり、十字状に均等高さで突出した***部９を有している。前記十字状***部９の相互間に４個の直角凹み部１２が形成され、各直角凹み部１２の底面として下板部材５に当接する平坦部１０を有している。前記十字状***部９の交点位置に円形の凹み部１７が形成され、その底面中央部から下向きの円筒部１８が形成され、該円筒部１８の内周面に雌ねじが加工されている（以上、請求項３記載の発明）。
もっとも、上板部材４は、直接床パネル１３の各コーナー部が載置される（又は受ける）部材であるから、十字状***部９を有することは必須条件でなく、特許文献３又は４の如く単なる平板形状等であっても良い。 The panel receiving portion 3 includes an upper plate member 4 on which each corner portion of the floor panel 13 is placed and a female screw portion 8 ′ that is screwed to the support column 2 to support the upper plate member 4. It consists of parts. The illustrated upper plate member 4 is formed by press molding. As can be easily understood from FIGS. 1 and 3, the upper plate member 4 is circular when viewed from above and has a raised portion 9 protruding in a cross shape at an equal height. Four right angle recesses 12 are formed between the cross-shaped ridges 9, and a flat portion 10 that abuts the lower plate member 5 is provided as the bottom surface of each right angle recess 12. A circular recess 17 is formed at the intersection of the cruciform protuberance 9, a downward cylindrical portion 18 is formed from the center of the bottom surface, and an internal thread is machined on the inner peripheral surface of the cylindrical portion 18 (above). The invention of claim 3).
However, since the upper plate member 4 is a member on which each corner portion of the floor panel 13 is directly placed (or received), having the cross-shaped raised portion 9 is not an essential condition. As such, it may be a simple flat plate shape.

下板部材５は、周辺部に上記上板部材４の平坦部１０と水平に重ね合わされる水平板部６を有し、この水平板部６に連続して中央部から下向きに逆円錐台形状に突き出された漏斗状部７を有し、更に、前記漏斗状部７の下端には円筒部８が形成され、その内周面に雌ねじ８’が加工されている。前記雌ねじ８’を前記支柱２へねじ接合する構成である。この下板部材５も１枚の鋼板の冷間深絞りと据え込みのプレス加工のみにより成形されている。特に前記円筒部８の板厚は内周面に雌ねじを加工するので、床の上載荷重に耐えることができるように、厚く据え込み成形されている。   The lower plate member 5 has a horizontal plate portion 6 that is horizontally overlapped with the flat portion 10 of the upper plate member 4 in the peripheral portion, and has an inverted frustoconical shape continuously downward from the center portion to the horizontal plate portion 6. And a cylindrical portion 8 is formed at the lower end of the funnel-shaped portion 7, and an internal thread 8 'is machined on the inner peripheral surface thereof. The female screw 8 ′ is screwed to the column 2. This lower plate member 5 is also formed only by cold deep drawing and upsetting press work of one steel plate. In particular, the plate thickness of the cylindrical portion 8 is formed so as to be thick so that it can withstand the load on the floor because an internal thread is processed on the inner peripheral surface.

上板部材４と下板部材５とは、上板部材４の４箇所の平坦部１０の位置をかしめて一体的に接合されている。図示例の場合は、図３に示したように、下板部材５の水平板部６の該当位置に下孔をあけ、この下孔の位置で上板部材４を下孔の口縁内に沿って延伸させ、同延伸部４’の先端を下板部材５の下面側に折り返した、所謂スポット的なかしめ接合１１（又ははぜ折りタイプ）により一体的に結合されている。但し、上板部材４と下板部材５とは、特許文献３のように分離独立した構成で実施することもできる（以上、請求項４及び請求項５記載の発明）。   The upper plate member 4 and the lower plate member 5 are integrally joined by caulking the positions of the four flat portions 10 of the upper plate member 4. In the case of the illustrated example, as shown in FIG. 3, a lower hole is made at a corresponding position of the horizontal plate portion 6 of the lower plate member 5, and the upper plate member 4 is placed in the edge of the lower hole at the position of this lower hole. And are joined together by a so-called spot-type caulking joint 11 (or a helical fold type) in which the front end of the extended portion 4 ′ is turned back to the lower surface side of the lower plate member 5. However, the upper plate member 4 and the lower plate member 5 can also be implemented in a separate and independent configuration as in Patent Document 3 (the inventions described in claims 4 and 5 above).

したがって、パネル受部３は、上板部材４と下板部材５の成形及び組み立て製造に溶接を一切使用していない。よって、溶接を必要としない分高速の製造が可能であり、生産性が高くコストダウンを図ることができる。しかも上板部材４及び下板部材５は共に冷間加工で成形しているので強度が大で、仕上がりの形状・寸法が正確なものとなり、且つ表面が平滑化されたものとなる。   Therefore, the panel receiving portion 3 does not use welding at all for forming and assembling the upper plate member 4 and the lower plate member 5. Therefore, high-speed manufacturing is possible because welding is not required, and productivity is high and cost reduction can be achieved. Moreover, since both the upper plate member 4 and the lower plate member 5 are formed by cold working, the strength is high, the finished shape and dimensions are accurate, and the surface is smoothed.

上記構成のパネル受部３は、図２のように下板部材５の円筒部８の雌ねじ部８’を支柱２へねじ接合して支持脚が完成され使用される。床パネル１３の周辺部に形成されたフランジ部１４は前記十字状***部９へ２等分した幅寸法で載置され、床パネル１３の下面板１３ｂが前記直角凹み部１２の側面及び平坦部１０に当接して載置される。上記構成のかしめ接合１１は、床パネル１３の下面１３ｂが平坦部１０に載置される際の支障とならない。
床パネル１３の上面板１３ａのコーナー部には、平坦面から若干の段差で垂れ下がった形状の止めねじ受部１６が形成されており、該止めねじ受部１６を前記円筒凹み部１７へ密着する状態に嵌め込んだ上で、前記円筒部１８へ締結材１９をねじ込んで床パネル１３を固定する。 As shown in FIG. 2, the panel receiving portion 3 having the above-described configuration is used after a female leg 8 ′ of the cylindrical portion 8 of the lower plate member 5 is screwed to the support column 2 and a support leg is completed. The flange portion 14 formed on the peripheral portion of the floor panel 13 is placed in the width of the cruciform protuberance 9 and divided into two equal parts, and the lower surface plate 13b of the floor panel 13 is placed on the side surface and the flat portion of the right-angle recess portion 12. 10 is placed in contact with 10. The caulking joint 11 having the above configuration does not hinder the lower surface 13b of the floor panel 13 from being placed on the flat portion 10.
A set screw receiving portion 16 having a shape hanging from the flat surface with a slight step is formed at a corner portion of the upper surface plate 13 a of the floor panel 13, and the set screw receiving portion 16 is in close contact with the cylindrical recess portion 17. After fitting into the state, the floor panel 13 is fixed by screwing the fastening material 19 into the cylindrical portion 18.

床パネル１３の高さは、前記下板部材５の前記円筒部８に形成された雌ねじ部８’を左右にねじ回すことで調節することができる。その場合、少なくとも前記逆円錐台形状の漏斗状部７と円筒部８を加算した有効長さと同等の長さ範囲だけ調節できるので、床高さの調節を広範囲に行うことができる。したがって、従来必要であった有効高さが異なる多種類の支持脚をそれぞれ多数用意して床施工に臨む必要はなく、使用上の使い勝手が良く、作業能率の向上に寄与できる（以上、請求項２記載の発明）。   The height of the floor panel 13 can be adjusted by screwing a female screw portion 8 ′ formed in the cylindrical portion 8 of the lower plate member 5 left and right. In this case, at least the length range equivalent to the effective length obtained by adding the inverted frustoconical funnel portion 7 and the cylindrical portion 8 can be adjusted, so that the floor height can be adjusted over a wide range. Therefore, it is not necessary to prepare a large number of support legs with different effective heights, which were necessary in the past, and face floor construction, which is easy to use and can contribute to the improvement of work efficiency. 2).

なお、前記漏斗状部７は、上述した逆円錐台形状が最も好適な実施形状とされるが、この限りではない。例えば図４に例示したように、お椀形状に近い形態でも実施して同様の作用効果を得ることができる。
また、前記支柱２は、必ずしも全高さにわたってねじ切りする必要はなく、例えば、上端部分のみでもよい。 The funnel-shaped portion 7 is not limited to this, although the above-described inverted truncated cone shape is the most preferable implementation shape. For example, as illustrated in FIG. 4, the embodiment can be implemented in a form close to the bowl shape to obtain the same effect.
Further, the support column 2 does not necessarily need to be threaded over the entire height, and may be, for example, only the upper end portion.

本発明に係る支持脚を示した斜視図である。It is the perspective view which showed the support leg which concerns on this invention. 支持脚に床パネルを支持させた際の構造関係を左半分を断面にして示した立面図である。It is the elevation which showed the structural relationship at the time of making a support leg support a floor panel by making the left half into a cross section. 図１の支持脚の平面図である。It is a top view of the support leg of FIG. 異なる実施例の支持脚に床パネルを支持させた際の構造関係を左半分を断面にして示した立面図である。It is the elevation which showed the structural relationship at the time of making a floor panel support the support leg of a different Example by making the left half into a cross section.

符号の説明Explanation of symbols

１ ベースプレート
２ 支柱
３ パネル受部
４ 上板部材
５ 下板部材
６ 水平板部
７ 漏斗状部
８ 円筒部
９ 十字状***部
１０ 平坦部
１１ かしめ接合 DESCRIPTION OF SYMBOLS 1 Base plate 2 Support | pillar 3 Panel receiving part 4 Upper board member 5 Lower board member 6 Horizontal plate part 7 Funnel-like part 8 Cylindrical part 9 Cross-shaped protruding part 10 Flat part 11 Caulking joining

Claims (5)

床基盤上に設置して床パネルを所定の床高さに支持する支持脚であって、該支持脚は、床基盤上に載置されるベースプレートと、前記ベースプレートに下端を固定して垂直に立てられた外周に雄ねじを有する支柱と、前記支柱へねじ接合されたパネル受部とから成り、
前記パネル受部は、床パネルのコーナー部が載置される上板部材と、支柱とねじ接合する雌ねじ部を備え前記上板部材を支持する下板部材とから成ること、
前記下板部材は、１枚の鋼板の冷間深絞りと据え込みのプレス加工により成形されており、前記上板部材と水平に重ね合わされる水平板部と、前記水平板部に連続して中央部を下向きに突き出された漏斗状部と、漏斗状部の下端に垂直下向きの円筒状に形成され内周面に雌ねじを加工された円筒部とから成り、該円筒部の板厚は前記漏斗状部の板厚よりも厚く据え込み成形されていることを特徴とする、フリーアクセスフロア用床パネルの支持脚。 A support leg that is installed on a floor base and supports the floor panel at a predetermined floor height, the support leg being vertically fixed with a base plate placed on the floor base and a lower end fixed to the base plate. It consists of a column having a male screw on the standing outer periphery, and a panel receiving part screwed to the column,
The panel receiving portion includes an upper plate member on which a corner portion of a floor panel is placed, and a lower plate member that includes an internal thread portion that is screwed to a support and supports the upper plate member.
The lower plate member is formed by cold deep drawing and upsetting press work of a single steel plate, and is continuously connected to the horizontal plate portion and a horizontal plate portion that is horizontally overlapped with the upper plate member. A funnel-shaped part protruding downward at the center part and a cylindrical part formed in a vertically downward cylindrical shape at the lower end of the funnel-shaped part and processed with an internal thread on the inner peripheral surface, the plate thickness of the cylindrical part is A support leg for a floor panel for a free-access floor, characterized in that the floor is thicker than the thickness of the funnel-shaped part. 前記漏斗状部は、逆円錐台形状に形成されていることを特徴とする、請求項１に記載したフリーアクセスフロア用床パネルの支持脚。   The floor of the floor panel for a free access floor according to claim 1, wherein the funnel-shaped portion is formed in an inverted truncated cone shape. 前記上板部材は、上方から見ると十字状をなす***部と、下板部材に当接される平坦部とを有し、前記十字状***部の交点部に下向きの円筒部が形成され、該円筒部の内周面に雌ねじが加工されていることを特徴とする、請求項１又は２のいずれかに記載したフリーアクセスフロア用床パネルの支持脚。   The upper plate member has a raised portion that forms a cross when viewed from above, and a flat portion that comes into contact with the lower plate member, and a downward cylindrical portion is formed at an intersection of the cross-shaped raised portion, 3. The support leg for a floor panel for a free access floor according to claim 1, wherein an internal thread is processed on an inner peripheral surface of the cylindrical portion. 前記上板部材と下板部材とは、上板部材の平坦部の位置を下向きのスポット的なかしめ接合により一体的に接合されていることを特徴とする、請求項３に記載したフリーアクセスフロア用床パネルの支持脚。   4. The free access floor according to claim 3, wherein the upper plate member and the lower plate member are integrally joined to each other by spot-like caulking joint with the flat portion of the upper plate member facing downward. 5. Floor panel support legs. 前記かしめ接合は、下板部材の水平板部に下孔をあけ、該下孔の位置で上板部材を下孔の口縁内に沿って延伸し、該延伸部の先端を前記下板部材の下面側に折り返した構成であることを特徴とする、請求項４に記載したフリーアクセスフロア用床パネルの支持脚。   In the caulking, a lower hole is made in the horizontal plate portion of the lower plate member, the upper plate member is extended along the edge of the lower hole at the position of the lower hole, and the tip of the extended portion is extended to the lower plate member. The support leg of the floor panel for a free access floor according to claim 4, wherein the support leg is folded back to the lower surface side of the floor panel.

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