JPH0610607U - Board anchor - Google Patents
Board anchorInfo
- Publication number
- JPH0610607U JPH0610607U JP10649691U JP10649691U JPH0610607U JP H0610607 U JPH0610607 U JP H0610607U JP 10649691 U JP10649691 U JP 10649691U JP 10649691 U JP10649691 U JP 10649691U JP H0610607 U JPH0610607 U JP H0610607U
- Authority
- JP
- Japan
- Prior art keywords
- board
- anchor
- chevron
- tip
- anchor head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Dowels (AREA)
- Connection Of Plates (AREA)
Abstract
(57)【要約】
【目的】 ボードへの取付けが容易で、強固に固定でき
るボードアンカーを提供する。
【構成】 フランジ状アンカー頭部３を有し、アンカー
頭部３から突出する円筒状の胴体部２の外周に螺旋状ネ
ジ山部４を設ける。胴体部２の先端周縁部５に複数の山
形切刃６…を円周方向に列設する。山形切刃６…の先端
からアンカー頭部３の外端面３ａまでの軸方向長さＬ
を、ボード８の厚みＴの1.1 倍以上2.0 倍以下に設定す
る。
(57) [Summary] [Purpose] To provide a board anchor that can be easily mounted on a board and can be firmly fixed. [Structure] A flange-shaped anchor head portion 3 is provided, and a spiral screw thread portion 4 is provided on the outer periphery of a cylindrical body portion 2 protruding from the anchor head portion 3. A plurality of chevron-shaped cutting blades 6 ... Are arranged in a row in the circumferential direction at the tip peripheral edge portion 5 of the body portion 2. Axial length L from the tip of the chevron cutting edge 6 to the outer end surface 3a of the anchor head 3
Is set to 1.1 times or more and 2.0 times or less of the thickness T of the board 8.
Description
【０００１】[0001]
本考案はボードアンカーに関する。 The present invention relates to a board anchor.
【０００２】[0002]
一般に、コンクリートの躯体面と間隔を空けて、石膏製ボードが取付けられて おり、この石膏製等のボードへ、従来、アンカーを取付ける場合、予めドリル等 にて下孔を明けてから、その後、該下孔に上記アンカーをねじこんで取付けてい た。 Generally, a gypsum board is attached at a distance from the concrete surface, and when attaching an anchor to this gypsum board, a pilot hole should be drilled in advance, and then the The anchor was screwed and attached to the pilot hole.
【０００３】[0003]
そのため、アンカーを取付ける作業性が悪く、また、上記ボードは脆弱である ため、下孔加工の際に、ドリルがボード表面から裏面へ貫通するとき、外径拡開 方向にかかる切削圧力により、ボードの裏面側の下孔周縁が破壊されて欠けてし まい、アンカーをしっかり固定できず緩みの原因となる問題があった。 As a result, the workability of attaching the anchors is poor, and the board is fragile.Therefore, during drilling, when the drill penetrates from the front surface to the back surface of the board, the cutting pressure applied in the direction of the outer diameter expansion causes There was a problem that the anchor hole could not be firmly fixed and could loosen because the peripheral edge of the lower hole on the back side was broken and chipped.
【０００４】 また、従来、アンカーの先端に帯板状切削刃を長く突出したアンカーも開発さ れつつあるが、次のような問題がある。即ち、一般に、ボードの裏面側の上記躯 体面は凹凸や歪みが多いために、ボードの裏面と躯体面との間隔がバラツキを生 じ、その間隔が極めて小さい場合もある。このような場合、帯板状切削刃の先端 が、ボードを貫通した後、躯体面に衝突して、それ以上にアンカーを螺進出来な いという問題を生じていた。Further, conventionally, an anchor in which a strip-shaped cutting blade is projected at the tip of the anchor for a long time is being developed, but there are the following problems. That is, in general, since the above-mentioned body surface on the back surface side of the board has many irregularities and distortions, the distance between the back surface of the board and the body surface may vary, and the distance may be extremely small. In such a case, the tip of the strip-shaped cutting blade collides with the body surface after penetrating the board, causing a problem that the anchor cannot be further screwed.
【０００５】 そこで、本考案は従来のこのような問題点を解決して、ボードへの取付けが容 易で、かつ、強固に固定できるボードアンカーを提供することを目的とする。Therefore, an object of the present invention is to solve the above-mentioned conventional problems and provide a board anchor that can be easily mounted on a board and can be firmly fixed.
【０００６】[0006]
本考案は、上記目的を達成するために、フランジ状アンカー頭部を有し、かつ 、該アンカー頭部から突出する円筒状の胴体部の外周に螺旋状ネジ山部を設ける と共に、該胴体部の先端周縁部に複数の山形切刃を列設し、該山形切刃の先端か ら上記アンカー頭部の外端面までの軸方向長さを、ボードの厚みの1.1 倍以上2. 0 倍以下に設定したものである。 In order to achieve the above-mentioned object, the present invention provides a flange-shaped anchor head portion, and provides a spiral screw thread portion on the outer periphery of a cylindrical body portion protruding from the anchor head portion, and the body portion. A plurality of chevron-shaped cutting blades are arranged in a line around the tip, and the axial length from the tip of the chevron-shaped cutting blade to the outer end surface of the anchor head is 1.1 times or more and 2.0 times or less the board thickness. Is set to.
【０００７】[0007]
山形切刃をボードに当接させ、ボードアンカーを、螺進する方向に回転させれ ば、上記山形切刃が上記ボードに下孔をあけつつ、同時に、該下孔に沿ってネジ 山部にて上記ボードアンカーを上記ボードにねじこむことができる。 When the chevron cutting edge is brought into contact with the board and the board anchor is rotated in the screwing direction, the chevron cutting blade makes a pilot hole in the board and at the same time, screw thread part along the pilot hole. The board anchor can be screwed onto the board.
【０００８】 円周方向に列設された山形切刃を回転させて、くり抜き状に下孔を明けている ので、該山形切刃がボードの表面から裏面へ貫通するとき、該裏面側の下孔周縁 に欠けを生じさせることなく、該下孔のくり抜き片を上記ボードの裏面側に排出 できる。Since the chevron-shaped cutting blades arranged in a row in the circumferential direction are rotated to form the pilot holes in the hollowed-out shape, when the chevron-shaped cutting blades penetrate from the front surface to the back surface of the board, the lower surface of the back surface side is cut. The cut-out piece of the pilot hole can be discharged to the back side of the board without causing a chip at the hole periphery.
【０００９】 ボードアンカーの軸方向長さを、ボードの厚みの1.1 倍以上2.0 倍以下に設定 してあるので、該ボードに上記アンカーを取付けた場合、上記アンカーの先端が 上記ボードの裏面より僅かに突出するだけで、上記ボードを取付けてあるコンク リート面（躯体面）に当たらない。Since the axial length of the board anchor is set to 1.1 times or more and 2.0 times or less of the thickness of the board, when the anchor is attached to the board, the tip of the anchor is slightly smaller than the back surface of the board. It does not hit the concrete surface (frame surface) on which the above board is attached.
【００１０】[0010]
以下実施例を示す図面に基づいて本考案を詳説する。 Hereinafter, the present invention will be described in detail with reference to the drawings illustrating an embodiment.
【００１１】 図１と図２は、本考案に係るボードアンカーを示し、このボードアンカー１は 、基端から先端に向かって縮径する円筒テーパ状の胴体部２を有し、該胴体部２ はフランジ状アンカー頭部３から突出状となっている。1 and 2 show a board anchor according to the present invention. The board anchor 1 has a cylindrical taper-shaped body portion 2 whose diameter decreases from a base end toward a tip end. Is protruding from the flange-shaped anchor head 3.
【００１２】 胴体部２の外周には、所定ピッチで螺旋状ネジ山部４が設けられ、ネジ山部４ の基端寄りのねじ山径は、アンカー頭部３の外径と略同一とされる。A spiral thread portion 4 is provided at a predetermined pitch on the outer periphery of the body portion 2, and the thread diameter of the thread portion 4 near the base end is substantially the same as the outer diameter of the anchor head 3. It
【００１３】 さらに、胴体部２の先端周縁部５には、複数の山形切刃６…が円周方向に列設 され、該山形切刃６…は回転切削可能なように尖鋭状に形成される。なお、図例 では、略二等辺三角形となっているが、円周方向に傾かせた三角形とするも自由 である。Further, a plurality of chevron-shaped cutting blades 6 ... Are arranged in a row in the circumferential direction at the tip peripheral edge portion 5 of the body portion 2, and the chevron-shaped cutting blades 6 ... It In addition, although it is a substantially isosceles triangle in the illustrated example, it is also possible to make a triangle inclined in the circumferential direction.
【００１４】 ボードアンカー１は、軸心に沿って横断面十字形の貫孔７を有しており、プラ スドライバー又はマイナスドライバーの先端を挿嵌可能なように形成される。The board anchor 1 has a through hole 7 having a cross-shaped cross section along the axial center, and is formed so that the tip of a plus driver or a minus driver can be inserted therein.
【００１５】 また、ボードアンカー１の全長、即ち、山形切刃６…の先端からアンカー頭部 ３の外端面３ａまでの軸方向長さＬは、石膏等のボード８の厚みＴの1.1 倍以上 2.0 倍以下に設定される。Further, the total length of the board anchor 1, that is, the axial length L from the tip of the chevron cutting edge 6 ... to the outer end surface 3a of the anchor head 3 is 1.1 times or more the thickness T of the board 8 such as gypsum. It is set to 2.0 times or less.
【００１６】 例えば、ボード８の厚みＴが９mm〜12mmであれば、軸方向長さＬは9.9 mm〜24 mmに設定する。なお、軸方向長さＬを20mmとした場合、山形切刃６…の先端から ネジ山部４の始まりの部分までの長さを３mmとし、アンカー頭部３の軸方向厚み を２mmとするのが好ましい。For example, if the thickness T of the board 8 is 9 mm to 12 mm, the axial length L is set to 9.9 mm to 24 mm. When the axial length L is 20 mm, the length from the tip of the chevron cutting edge 6 to the beginning of the screw thread portion 4 is 3 mm, and the axial thickness of the anchor head 3 is 2 mm. Is preferred.
【００１７】 次に、上述の如く構成されたボードアンカーの使用方法を説明する。Next, a method of using the board anchor configured as described above will be described.
【００１８】 まず、図３に示すように、電動又は手動のドライバー９を貫孔７に挿嵌し、ボ ード８のアンカー取付け位置に山形切刃６…の先端を当接させ、ドライバー９を 、ボードアンカー１が螺進する方向に回転させる。First, as shown in FIG. 3, an electric or manual driver 9 is inserted into the through hole 7, and the tips of the chevron cutting blades 6 ... Is rotated in the direction in which the board anchor 1 is advanced.
【００１９】 すると、回転する山形切刃６…がボード８に下孔をあけつつ、同時に、順次穿 設される該下孔に沿ってネジ山部４がボード８にねじこまれていく。As a result, the rotating chevron-shaped cutting blades 6 open the lower hole in the board 8, and at the same time, the screw thread portion 4 is screwed into the board 8 along the lower hole that is successively drilled.
【００２０】 そのまま、ドライバー９を回転させて、図４に示すように、アンカー頭部３の 外端面３ａがボード８の表面８ａに対して一致乃至僅かに沈み込めば、ボードア ンカー１の取付けが終了する。As shown in FIG. 4, if the outer end surface 3a of the anchor head 3 is aligned with or slightly sunk with respect to the surface 8a of the board 8, the board anchor 1 can be attached. finish.
【００２１】 このとき、ボードアンカー１の先端はボード８の裏面より突出するが、円周方 向に列設された山形切刃６…を回転させることにより、切削圧力を円周方向に向 けて、くり抜き状に下孔を明けているので、山形切刃６…がボード８の表面８ａ から裏面へ貫通するとき、ボード８の裏面側の下孔周縁に欠けを生じさせること なく、下孔のくり抜き片をボード８の裏面側に排出できる。At this time, the tip of the board anchor 1 projects from the back surface of the board 8, but the cutting pressure is directed in the circumferential direction by rotating the chevron-shaped cutting blades 6 arranged in a row in the circumferential direction. Since the pilot holes are formed in a hollowed-out shape, when the chevron-shaped cutting blades 6 penetrate from the front surface 8a of the board 8 to the back surface, the pilot holes do not cause chipping at the peripheral edge of the pilot hole on the back surface side of the board 8 and The cut-out piece can be discharged to the back side of the board 8.
【００２２】 ところで、コンクリート面10は凹凸があるため、ボード８の取付けの際、ボー ド８とコンクリート面10との間に、厚みの異なるモルタル等を点在介装させて、 上記凹凸を吸収し、ボード８の倒れや歪みを防止している。そのため、ボード８ とコンクリート面10との間隔寸法Ｈは、位置によってかなり狭くなる。By the way, since the concrete surface 10 has irregularities, when mounting the board 8, mortar or the like having a different thickness is interspersed between the board 8 and the concrete surface 10 to absorb the irregularities. However, the board 8 is prevented from falling or being distorted. Therefore, the distance H between the board 8 and the concrete surface 10 becomes considerably narrow depending on the position.
【００２３】 そこで、ボードアンカー１の軸方向長さＬを、ボード８の厚みＴの1.1 倍以上 2.0 倍以下に設定してあるので、ボードアンカー１の先端がボード８の裏面より 僅かに突出するだけで、その突出量は上記間隔寸法Ｈ内に納めることができる。 つまり、コンクリート面10にボードアンカー１が当たることがない。Therefore, since the axial length L of the board anchor 1 is set to be 1.1 times or more and 2.0 times or less the thickness T of the board 8, the tip of the board anchor 1 slightly projects from the back surface of the board 8. Only by that, the protrusion amount can be contained within the above-mentioned interval dimension H. That is, the concrete surface 10 does not hit the board anchor 1.
【００２４】 次に、貫孔７にセルフタッピングねじ11を螺着して、（図示省略の）吊下金具 やアングル材等を取付けることができる。この貫孔７は十字形となっているので 、セルフタッピングの際の抵抗が少なく、セルフタッピングねじ11の螺着作業が 容易となる。Next, a self-tapping screw 11 can be screwed into the through hole 7 to attach a hanging fitting (not shown), an angle member, or the like. Since the through hole 7 has a cross shape, the resistance during self tapping is small, and the self-tapping screw 11 can be easily screwed.
【００２５】[0025]
本考案は上述の如く構成されているので、次に記載するような著大な効果を奏 する。 Since the present invention is constructed as described above, it has a great effect as described below.
【００２６】 ボードアンカー１をボード８に簡単に取付けることができ、しかも、下孔明け とねじこみ作業を同時にできるので、取付けの作業能率が向上し、短時間で取付 作業が終了する。Since the board anchor 1 can be easily attached to the board 8 and the pilot hole drilling and screwing operations can be performed at the same time, the installation work efficiency is improved and the installation work is completed in a short time.
【００２７】 ボードアンカー１をボード８に取付けて、アンカー頭部３の外端面３ａがボー ド８の表面８ａに対して一致乃至僅かに沈み込んだ状態において、ボードアンカ ー１の先端がボード８の裏面より僅かに突出するだけで、コンクリート面10（躯 体面）にボードアンカー１があたらず、ねじこみの際に不具合が生じない。When the board anchor 1 is attached to the board 8 and the outer end surface 3 a of the anchor head 3 is aligned with or slightly depressed from the surface 8 a of the board 8, the tip of the board anchor 1 is attached to the board 8. Since the board anchor 1 does not hit the concrete surface 10 (frame surface) by only slightly projecting from the back surface of, the trouble does not occur when screwing.
【００２８】 山形切刃６…がボード８の表面８ａから裏面へ貫通するとき、該裏面側の下孔 周縁に欠けを生じさせることなく、該下孔のくり抜き片をボード裏面側に排出で きる。したがって、ボード８にボードアンカー１を強固に固定できる。When the chevron cutting edges 6 ... Penetrate from the front surface 8a of the board 8 to the back surface, the cut-out piece of the pilot hole can be discharged to the back surface of the board without causing a chip in the peripheral edge of the pilot hole on the back surface. . Therefore, the board anchor 1 can be firmly fixed to the board 8.
【図１】本考案の一実施例を示す側面図である。FIG. 1 is a side view showing an embodiment of the present invention.
【図２】同正面図である。FIG. 2 is a front view of the same.
【図３】ボードアンカーの使用説明図である。FIG. 3 is a diagram illustrating the use of a board anchor.
【図４】ボードアンカーの使用説明図である。FIG. 4 is a diagram illustrating the use of a board anchor.
２ 胴体部 ３ アンカー頭部 ４ ネジ山部 ５ 先端周縁部 ６ 山形切刃 ８ ボード Ｌ 軸方向長さ Ｔ ボードの厚み 2 Body part 3 Anchor head part 4 Thread part 5 Tip peripheral part 6 Angle cutting edge 8 Board L Axial length T Board thickness
Claims (1)
つ、該アンカー頭部３から突出する円筒状の胴体部２の
外周に螺旋状ネジ山部４を設けると共に、該胴体部２の
先端周縁部５に複数の山形切刃６…を列設し、該山形切
刃６…の先端から上記アンカー頭部３の外端面３ａまで
の軸方向長さＬを、ボード８の厚みＴの1.1 倍以上2.0
倍以下に設定したことを特徴とするボードアンカー。1. A spiral thread portion 4 is provided on the outer periphery of a cylindrical body portion 2 having a flange-shaped anchor head 3 and protruding from the anchor head 3, and the tip of the body portion 2 is provided. A plurality of chevron-shaped cutting blades 6 are arranged in a line on the peripheral edge portion 5, and the axial length L from the tip of the chevron-shaped cutting blades 6 to the outer end surface 3a of the anchor head 3 is set to 1.1 of the thickness T of the board 8. More than double 2.0
A board anchor characterized by being set to twice or less.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1991106496U JP2540148Y2 (en) | 1991-11-29 | 1991-11-29 | Board anchor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1991106496U JP2540148Y2 (en) | 1991-11-29 | 1991-11-29 | Board anchor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0610607U true JPH0610607U (en) | 1994-02-10 |
| JP2540148Y2 JP2540148Y2 (en) | 1997-07-02 |
Family
ID=14435052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1991106496U Expired - Lifetime JP2540148Y2 (en) | 1991-11-29 | 1991-11-29 | Board anchor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2540148Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101154194B1 (en) * | 2010-06-22 | 2012-06-18 | 류재기 | multi-needle fastener for concrete |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03525A (en) * | 1989-05-30 | 1991-01-07 | Honda Motor Co Ltd | Distribution control device for drive force for front and rear wheel drive car |
| JPH03213707A (en) * | 1990-01-18 | 1991-09-19 | Sugatsune Ind Co Ltd | Connecting device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1255395B (en) | 1965-07-19 | 1967-11-30 | Dibotec A G | Self-drilling anchor |
-
1991
- 1991-11-29 JP JP1991106496U patent/JP2540148Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03525A (en) * | 1989-05-30 | 1991-01-07 | Honda Motor Co Ltd | Distribution control device for drive force for front and rear wheel drive car |
| JPH03213707A (en) * | 1990-01-18 | 1991-09-19 | Sugatsune Ind Co Ltd | Connecting device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2540148Y2 (en) | 1997-07-02 |
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