JPH0629604B2 - Tapping screw - Google Patents
Tapping screwInfo
- Publication number
- JPH0629604B2 JPH0629604B2 JP60211673A JP21167385A JPH0629604B2 JP H0629604 B2 JPH0629604 B2 JP H0629604B2 JP 60211673 A JP60211673 A JP 60211673A JP 21167385 A JP21167385 A JP 21167385A JP H0629604 B2 JPH0629604 B2 JP H0629604B2
- Authority
- JP
- Japan
- Prior art keywords
- tapping screw
- diameter
- gypsum board
- drill
- circular axis
- 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.)
- Expired - Lifetime
Links
Landscapes
- Dowels (AREA)
- Contacts (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 この発明は、石膏ボードの如き建材にねじ込み、壁面や
天井等に各種品物を吊下げ状に取付けるためのタツピン
グねじに関するものである。Description: TECHNICAL FIELD The present invention relates to a tapping screw for screwing a building material such as a gypsum board and attaching various articles in a hanging manner to a wall surface, a ceiling or the like.
〔従来の技術と問題点〕 石膏ボードの如き復元性のない建材に内装材等を固定す
るには、下孔を穿設しながらねじ込む自己穿孔式のタツ
ピングねじが使用されている。[Prior Art and Problems] In order to fix interior materials and the like to non-restorative building materials such as gypsum board, self-tapping tapping screws that are screwed while forming a pilot hole are used.
上記のようなタツピングねじの基本構造は、ドリル部と
タツピングねじ部と頭部の組合せによつて構成されてお
り、例えば実開昭58-38023号等によつて提案されてい
る。The basic structure of the tapping screw as described above is constituted by a combination of a drill portion, a tapping screw portion and a head, and is proposed, for example, in Japanese Utility Model Publication No. 58-38023.
ところで、石膏ボードにタツピングねじを用いて部材を
固定する場合に必要なことは、下孔を円滑に穿設し、こ
の下孔に対してねじ込んだタツピングねじ部が石膏ボー
ドを破壊せず、しかも耐引抜強度と緩み止効果が得られ
るようにしなければならない。By the way, what is necessary when fixing a member to a gypsum board using a tapping screw is that a pilot hole is smoothly drilled and the tapping screw part screwed into this pilot hole does not destroy the gypsum board, and It must be possible to obtain pull-out resistance and anti-loosening effect.
しかし、従来のタツピングねじは、ドリル部の穿孔効率
が悪いだけでなく、タツピングねじ部によつて石膏ボー
ドの下孔の周壁を破壊し、且つねじ部と石膏ボードの接
触面積が少なく、このため耐引抜強度が弱く、緩み止効
果も期待できないという問題がある。However, the conventional tapping screw not only has a poor drilling efficiency for the drill part, but also destroys the peripheral wall of the pilot hole of the gypsum board by the tapping screw part, and the contact area between the screw part and the gypsum board is small. There is a problem that the pull-out resistance is weak and the anti-loosening effect cannot be expected.
また、石膏ボードで構成された壁面や天井等に各種品物
を吊下げたような場合、特に耐引抜強度の優れたタツピ
ングねじが必要になる。Further, when various items are hung on a wall surface, a ceiling or the like made of gypsum board, a tapping screw excellent in pullout strength is particularly required.
この発明は、上記のような点にかんがみてなされたもの
であり、耐引抜強度の緩み止効果が優れ、石膏ボードを
用いた壁面や天井に対して各種品物を吊下げることがで
きるタツピングねじを提供するのが目的である。The present invention has been made in view of the above points, and has an excellent anti-loosening effect of pullout strength, and a tapping screw capable of suspending various items against a wall surface or a ceiling using a gypsum board. The purpose is to provide.
上記のような問題点を解決するため、この発明は、略等
しい長さを有し、互に独立したドリル部とタツピングね
じ部を同軸心に連成し、ドリル部を、先鋭円軸の外面に
凹部を軸方向の全長に設けて断面略Ｕ字状とし、この凹
部の軸方向に沿う両側の開口縁を刃先にして形成し、タ
ツピングねじ部を、円軸の外周にこの円軸の直径よりも
大きなピツチで円軸の直径の２倍以上の直径を有するね
じ山を設けて形成し、前記タツピングねじ部の頭部に掛
吊部を設けたものである。In order to solve the above problems, the present invention has a drill part and a tapping screw part, which have substantially the same length and are independent from each other, are coaxially coupled to each other, and the drill part is formed on the outer surface of the sharp circular shaft. A concave portion is provided on the entire length in the axial direction to have a substantially U-shaped cross section, and opening edges on both sides along the axial direction of the concave portion are formed as blade edges, and tapping screw portions are formed on the outer circumference of the circular axis. With a larger pitch, a thread having a diameter that is at least twice the diameter of the circular axis is provided and formed, and a hanging portion is provided on the head of the tapping screw portion.
石膏ボードにドリル部の先端を押当て、頭部に設けた掛
吊具を介して全体を回転させると、ドリル部がその刃先
で石膏ボードを切削しながら進入し、円軸に等しい径の
下孔を穿設する。When the tip of the drill part is pressed against the gypsum board and the whole is rotated through the hanging device provided on the head, the drill part enters while cutting the gypsum board with its blade edge and the Drill holes.
続いて、ドリル部で穿設された下孔に対してタツピング
ねじ部が進入し、そのねじ山が石膏ボードに喰込んで行
く。タツピングねじ部のねじ山は大きなピツチと高さを
有するため、石膏ボードを破壊させることなくねじ込み
が行なえ、優れた耐引抜強度と緩み止効果により掛吊部
での各種部品の吊下げが可能になる。Then, the tapping screw part enters into the prepared hole formed by the drill part, and the screw thread bites into the gypsum board. The tapping screw thread has a large pitch and height, so it can be screwed in without breaking the gypsum board, and it is possible to hang various parts at the hanging part due to its excellent pull-out strength and locking effect. Become.
以下、この発明の実施例を添付図面に基づいて説明す
る。Embodiments of the present invention will be described below with reference to the accompanying drawings.
図示のように、タツピングねじ１は、ドリル部２と、こ
のドリル部２に同軸心状となるよう連成したタツピング
ねじ部３と、タツピングねじ部３の端部に設けた頭部４
と、この頭部４に設けた掛吊部５とで構成され、ドリル
部２の円軸６とタツピングねじ部３の円軸７は、同径の
もしくは略等しい直径になつている。上記ドリル部２と
タツピングねじ部３は第２図や第３図、第７図に示すよ
うに略等しい長さを有し、互に独立した状態で同軸心状
に連成されている。As shown in the figure, the tapping screw 1 includes a drill portion 2, a tapping screw portion 3 that is coupled to the drill portion 2 so as to form a coaxial center, and a head portion 4 provided at an end portion of the tapping screw portion 3.
And the hanging portion 5 provided on the head portion 4, the circular shaft 6 of the drill portion 2 and the circular shaft 7 of the tapping screw portion 3 have the same or substantially the same diameter. The drill portion 2 and the tapping screw portion 3 have substantially the same length as shown in FIGS. 2, 3, and 7, and are coaxially connected to each other in an independent state.
前記ドリル部２は、第１図乃至第４図に示すように、円
軸６の先端が円錐形の先鋭部８となり、軸方向に沿つて
設けた弧状の凹部９により横断面が略ｕ字状になつてい
る。As shown in FIGS. 1 to 4, the drill portion 2 has a conical sharpened portion 8 at the tip of a circular shaft 6 and a substantially u-shaped cross section due to an arc-shaped recess 9 provided along the axial direction. It is in a shape.
この凹部９は、先鋭部８において、浅く狭くなつて内壁
が鋭端に達していると共に、タツピングねじ部３との境
界側端部は直角の端面１０になり、この端面１０の外端
はアール面を介して円軸７の外面に連なつている。The concave portion 9 is shallow and narrow at the sharpened portion 8 so that the inner wall reaches the sharp end, and the end portion on the boundary side with the tapping screw portion 3 becomes a right-angled end surface 10, and the outer end of the end surface 10 is rounded. It is connected to the outer surface of the circular shaft 7 via a surface.
このドリル部２は、凹部９の軸方向に沿う開口縁が刃先
１１になり、押込みと回転により刃先１１で石膏ボード
Ａを切削して下孔Ｂを穿設すると共に、凹部９内が切削
屑の収納スペースとなる。In this drill part 2, the opening edge along the axial direction of the concave portion 9 becomes the cutting edge 11, the plaster board A is cut by the cutting edge 11 by pushing and rotating to form the pilot hole B, and the inside of the concave portion 9 is the cutting waste. It becomes the storage space of.
前記タツピングねじ部３は、円軸７の外周面全長にねじ
山１２を設けて形成され、このねじ山１２のピッチＰは
円軸７の直径ｄよりも大きい、また、ねじ山１２の直径
Ｄは円軸７の直径ｄの２倍以上と高くなつている。The tapping screw portion 3 is formed by providing a screw thread 12 on the entire length of the outer peripheral surface of the circular shaft 7, and the pitch P of the screw thread 12 is larger than the diameter d of the circular shaft 7 and the diameter D of the screw thread 12. Is higher than twice the diameter d of the circular shaft 7.
ちなみに、円軸７の直径ｄが３mmφの場合、Ｐ＝４mm、
Ｄ＝6.5mmφに形成されている。By the way, when the diameter d of the circular shaft 7 is 3 mmφ, P = 4 mm,
It is formed to D = 6.5 mmφ.
前記頭部４は、ねじ山１２の直径よりも平面的に大きい
円板状に形成され、その外周部で軸心を挟む相反する位
置にタツピングねじ部３の突出方向に延びる突片１３，
１３が設けられ、ねじ山１２を外嵌又は螺合通過する内
径のゴム等の弾性リング１４を頭部４と内装材Ｃ間に保
持するようになつている。The head portion 4 is formed in a disk shape that is larger than the diameter of the screw thread 12 in plan view, and projecting pieces 13 extending in the projecting direction of the tapping screw portion 3 at opposite positions sandwiching the shaft center at the outer peripheral portion thereof.
13 is provided so as to hold an elastic ring 14 of rubber or the like having an inner diameter through which the thread 12 is fitted or screwed between the head 4 and the interior material C.
上記弾性リング１４は、弾力的な締付により緩み止効果
を発揮させると共に、内装材Ｃとのすれ合いによるブレ
ーキング効果によつて過大な回転を防止し、ねじ山によ
る石膏ボードＡの破壊を防止する役目を果すことにな
る。The elastic ring 14 exerts an anti-loosening effect by elastic tightening, and prevents excessive rotation by the braking effect due to the rubbing with the interior material C, and prevents the gypsum board A from being broken by a screw thread. It will play a role in prevention.
前記頭部４に設けた掛吊部５は、第１図乃至第３図に示
す第１の例の場合、頭部４の中央からタツピングねじ部
３の軸方向に突出した後、略半円形に屈曲させたフツク
に形成し、第６図と第７図に示す第２の例は、Ｌ字形の
フツクに形成したものである。In the case of the first example shown in FIG. 1 to FIG. 3, the hanging portion 5 provided on the head portion 4 protrudes from the center of the head portion 4 in the axial direction of the tapping screw portion 3 and then has a substantially semicircular shape. The second example shown in FIGS. 6 and 7 is formed into an L-shaped hook.
この発明のタツピングねじは上記のような構成であり、
石膏ボードＡに張設した内装材Ｃの下孔Ｃ１にドリル部
２の先端を挿入し、この先端を石膏ボードＡに押当てた
状態で掛止部５の部分から回転を与える。The tapping screw of the present invention has the above-mentioned configuration,
The tip of the drill part 2 is inserted into the prepared hole C 1 of the interior material C stretched on the gypsum board A, and the tip of the drill part 2 is pressed against the gypsum board A, and rotation is given from the hooking part 5.
なお、タツピングねじ１には頭部４の部分に予め弾性リ
ング１４を嵌挿しておく。The tapping screw 1 is fitted with an elastic ring 14 in advance at the head portion 4.
押込みと回転によりドリル部２は石膏ボードＡ内に進入
し、この刃先１１がドリル部進入部分の石膏ボードを削
り取り、従つて円軸６と等しい直径の下孔Ｂが石膏ボー
ドＡに穿設される。By pushing and rotating, the drill part 2 enters the gypsum board A, and the cutting edge 11 scrapes off the gypsum board in the part where the drill part enters, and accordingly, the prepared hole B having the same diameter as the circular axis 6 is bored in the gypsum board A. It
次に、タツピングねじ部３が下孔Ｂに沿つて進入し、そ
のねじ山１２が下孔ｂの周囲に喰込み、ねじ山１２の螺
旋形状に誘導されながら、タツピングねじ部３が石膏ボ
ードＡにねじ込まれる。Next, the tapping screw portion 3 enters along the pilot hole B, the thread 12 thereof digs into the periphery of the pilot hole b, and the tapping screw portion 3 is guided by the spiral shape of the screw thread 12 while the tapping screw portion 3 is in the gypsum board A. Be screwed into.
タツピングねじ部３の完全なねじ込みで、第２図や第７
図の如く、頭部４が弾性リング１４を圧縮した固定状態
になり、壁面や天井面に掛付部５を取付けた状態とな
る。By completely screwing in the tapping screw part 3,
As shown in the figure, the head 4 is in a fixed state in which the elastic ring 14 is compressed, and the hanging portion 5 is attached to the wall surface or the ceiling surface.
タツピングねじ１は、石膏ボードＡに対して高いねじ山
１２が喰込み、かつ弾性リング１４が圧縮による反発弾
性によりタツピングねじ１に頭部４側への力を付勢する
ので、耐引抜強度と緩み止効果の優れた取付けが行な
え、掛吊部５に重量物を吊下げることができる。The tapping screw 1 has a high thread 12 against the gypsum board A, and the elastic ring 14 urges the tapping screw 1 to the head 4 side due to the repulsive elasticity due to the compression. It can be mounted with an excellent anti-loosening effect, and a heavy object can be hung on the hanging portion 5.
〔効果〕 以上のように、この発明によると、上記のような構成で
あるので、以下に示す効果がある。[Effects] As described above, according to the present invention, since it is configured as described above, the following effects are obtained.
(A)先鋭円軸に軸方向の凹部を設け、この凹部の開口縁
に刃先を設けてドリル部を形成したので、刃先による切
削と凹部による切削屑の収納とにより、石膏ボード等に
対して下孔を円滑に穿設することができる。(A) The sharp circular shaft is provided with an axial recess, and the cutting edge is provided at the opening edge of this recess to form the drill, so by cutting with the blade and storing cutting waste by the recess, with respect to the gypsum board, etc. The pilot hole can be smoothly formed.
(B)タツピングねじ部のねじ山を、直径が円軸の２倍以
上でピツチを円軸の直径より大きくしたので、ねじ山を
石膏ボード等に対して破壊を生じさせることなくねじ込
むことができ、石膏ボードに対する接触面積も大きくな
り、耐引抜強度及び緩み止効果が向上する。(B) Since the diameter of the tapping screw thread is more than twice the diameter of the circular axis and the pitch is larger than the diameter of the circular axis, the thread can be screwed into the plasterboard without causing damage. Also, the contact area with the gypsum board is increased, and the pullout strength and the loosening prevention effect are improved.
(C)頭部側に掛吊部を設けたので、壁面や天井に各種品
物の吊下げが行なえ、耐引抜強度と緩み止効果が優れて
いるので、重量物の吊下げが可能になる。(C) Since the hanging portion is provided on the head side, various items can be hung on the wall surface or the ceiling, and since the pulling-out strength and the locking effect are excellent, it is possible to hang heavy objects.
第１図はこの発明に係るタツピングねじの第１の例を示
す斜視図、第２図は同上の使用状態を示す縦断正面図、
第３図は第２図の矢印III−IIIに沿う横断面図、第４図
はタツピングねじの第２図における矢印IV−IVに沿う断
面図、第５図は同じく矢印Ｖ−Ｖに沿う断面図、第６図
は同第２の例を示す斜視図、第７図は同上の使用状態を
示す縦断正面図である。 １……タツピングねじ、２……ドリル部、３……タツピ
ングねじ部、４……頭部、５……掛吊部、６，７……円
軸、８……先鋭部、９……凹部、１１……刃先FIG. 1 is a perspective view showing a first example of a tapping screw according to the present invention, and FIG. 2 is a vertical sectional front view showing a usage state thereof.
3 is a cross sectional view taken along the arrow III-III in FIG. 2, FIG. 4 is a cross sectional view taken along the arrow IV-IV in FIG. 2 of the tapping screw, and FIG. 5 is a cross section taken along the same arrow VV. Fig. 6 and Fig. 6 are perspective views showing the second example, and Fig. 7 is a vertical sectional front view showing the usage state thereof. 1 ... tapping screw, 2 ... drilling part, 3 ... tapping screw part, 4 ... head part, 5 ... hanging part, 6, 7 ... circular shaft, 8 ... sharpened part, 9 ... recessed part , 11 ... Cutting edge
Claims (1)
部とタッピングねじ部を同軸心に連成し、ドリル部を、
先鋭円軸の外面に凹部を軸方向の全長に設けて断面略Ｕ
字状とし、この凹部の軸方向に沿う両側の開口縁を刃先
にして形成し、タッピングねじ部を、円軸の外周にこの
円軸の直径よりも大きなピッチで円軸の直径の２倍以上
の直径を有するねじ山を設けて形成し、前記タッピング
ねじ部の頭部に掛吊部を設けたタッピングねじ。1. A drill part and a tapping screw part, which have substantially the same length and are independent from each other, are coaxially coupled to each other, and the drill part is
A recess is provided on the outer surface of the sharp circular axis along the entire length in the axial direction, and the cross section is approximately U.
It is shaped like a letter and is formed with the opening edges on both sides along the axial direction of this recess as the cutting edge, and the tapping screw part is provided on the outer circumference of the circular axis at a pitch larger than the diameter of this circular axis and at least twice the diameter of the circular axis. A tapping screw formed by providing a screw thread having a diameter of 10 mm, and having a hanging portion on the head of the tapping screw portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60211673A JPH0629604B2 (en) | 1985-09-24 | 1985-09-24 | Tapping screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60211673A JPH0629604B2 (en) | 1985-09-24 | 1985-09-24 | Tapping screw |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6272913A JPS6272913A (en) | 1987-04-03 |
| JPH0629604B2 true JPH0629604B2 (en) | 1994-04-20 |
Family
ID=16609696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60211673A Expired - Lifetime JPH0629604B2 (en) | 1985-09-24 | 1985-09-24 | Tapping screw |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0629604B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019082226A (en) * | 2017-10-31 | 2019-05-30 | 若井ホールディングス株式会社 | Drill screw |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0811965B2 (en) * | 1992-12-28 | 1996-02-07 | 有限会社新城製作所 | Connection structure of screws and thin plates |
| JP2006308079A (en) * | 2005-03-30 | 2006-11-09 | Sun Wave Ind Co Ltd | Wood screw |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3748949A (en) * | 1971-10-19 | 1973-07-31 | Robertson Manuf Co Ltd | Thread system |
| JPS53104061A (en) * | 1977-02-24 | 1978-09-09 | Topura Kk | Tapping screw with hole and manufacturing method thereof |
| JPS59122414U (en) * | 1983-02-07 | 1984-08-17 | 肥後 常吉 | wood screws |
-
1985
- 1985-09-24 JP JP60211673A patent/JPH0629604B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019082226A (en) * | 2017-10-31 | 2019-05-30 | 若井ホールディングス株式会社 | Drill screw |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6272913A (en) | 1987-04-03 |
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