JPH0221010A - Nail for forming concrete - Google Patents
Nail for forming concreteInfo
- Publication number
- JPH0221010A JPH0221010A JP659189A JP659189A JPH0221010A JP H0221010 A JPH0221010 A JP H0221010A JP 659189 A JP659189 A JP 659189A JP 659189 A JP659189 A JP 659189A JP H0221010 A JPH0221010 A JP H0221010A
- Authority
- JP
- Japan
- Prior art keywords
- nail
- main body
- nail body
- recesses
- reaction force
- 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.)
- Pending
Links
- 239000004567 concrete Substances 0.000 title abstract description 4
- 239000011381 foam concrete Substances 0.000 claims description 18
- 241000587161 Gomphocarpus Species 0.000 abstract description 12
- 230000000694 effects Effects 0.000 description 10
- 230000002265 prevention Effects 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は主にＡＬＣと称されるいわゆる発泡コンクリー
トに用いる特殊釘に関する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention mainly relates to a special nail used for so-called foamed concrete called ALC.
（従来の技術）
従来のこの種の特殊釘としては、近時、いわゆるカット
ネイルと称する特殊釘が使用されている。(Prior Art) As a conventional special nail of this type, a special nail called a so-called cut nail has recently been used.
該カットネイルはアルミニウム材料製のもので、釘主体
が矩形断面を有する中実軸材とされるとともに、該釘主
体の外周面に先細のくさび状テーパ部が設けられた構造
とされている。The cut nail is made of aluminum material, and has a structure in which the nail main body is a solid shaft member having a rectangular cross section, and a tapered wedge-shaped taper portion is provided on the outer peripheral surface of the nail main body.
（発明が解決しようとする問題点）
しかしながら、上記カットネイルでは、打ち込み完了後
に振動等が生じると、発泡コンクリートと釘主体との間
に容易に緩みを生じてしまうという問題がある。(Problems to be Solved by the Invention) However, with the above-mentioned cut nail, there is a problem in that when vibration or the like occurs after driving is completed, loosening easily occurs between the foamed concrete and the nail main body.
（問題点を解決するための手段）
本発明は形態に対するもので、添付図面に表わすとおり
の形状を有することを特徴とする。(Means for Solving the Problems) The present invention is directed to a form, and is characterized by having a shape as shown in the accompanying drawings.
（作 用）
釘主体は金属製のパイプからなることにより、それ自体
が弾性を有している。したがって、該特殊釘の発泡コン
クリートへの打ち込み時においては、上記釘主体は弾性
的に圧縮変形されることとなり、よって打ち込み完了後
においては、上記圧縮変形による反力が発泡コンクリー
トの圧縮反力と相互に弾発的に作用しあって、釘主体の
完全固定が確保される。(Function) The nail itself is elastic because it is made of a metal pipe. Therefore, when driving the special nail into foamed concrete, the main body of the nail is compressively deformed elastically, and therefore, after driving is completed, the reaction force due to the compression deformation is the same as the compression reaction force of the foamed concrete. They act elastically with each other to ensure complete fixation of the nail main body.
釘主体の外周面には、複数列の錐状凹部が設けられてお
り、該錐状凹部は発泡コンクリートに対して、抜は止め
作用を有し、さらに堅固な抜は止め効果を得る。A plurality of rows of conical recesses are provided on the outer circumferential surface of the main body of the nail, and the conical recesses have a pull-out prevention effect on foamed concrete, and provide a more solid pull-out prevention effect.
（実施例） 本発明の実施例は図面に示すとおりである。(Example) Embodiments of the invention are shown in the drawings.
本発明に係る発泡コンクリート用特殊釘を第１図ないし
第１０図に示し、該特殊釘１は釘主体２の基端２ａに釘
頭３が一体的に取り付は固定されてなるとともに、上記
釘主体２の外周面に、錐状凹部４が円周方向へ複数並列
に設けられた構造とされ、例えば第２図に示すように、
発泡コンクリート５に適宜の部材６を固定する際に使用
される。A special nail for foamed concrete according to the present invention is shown in FIGS. 1 to 10, and the special nail 1 has a nail head 3 integrally attached and fixed to the base end 2a of the nail main body 2, and The nail main body 2 has a structure in which a plurality of conical recesses 4 are provided in parallel in the circumferential direction on the outer circumferential surface of the nail main body 2, for example, as shown in FIG.
It is used when fixing an appropriate member 6 to foamed concrete 5.
釘主体２は第８図に示すように、断面円形の直円筒状の
パイプからなる金属製中空軸材であって、使用材料とし
ては防錆性に優れるものが使用され、具体的にはステン
レス鋼が好適に用いられる。As shown in Fig. 8, the nail main body 2 is a hollow metal shaft made of a right cylindrical pipe with a circular cross section, and the material used is one with excellent rust prevention properties, specifically stainless steel. Steel is preferably used.
釘頭３は第７図に示すように、頭部本体３ａと取付軸部
３ｂとからなり、その構成材料としては上記釘主体２と
同様、ステンレス鋼が使用されている。該釘頭３は、上
記取付軸部３ｂが釘主体２の基端２ａに嵌着されるとと
もに、溶接、かしめ等により固定されている。As shown in FIG. 7, the nail head 3 consists of a head main body 3a and a mounting shaft portion 3b, and its constituent material is made of stainless steel like the nail main body 2. The nail head 3 has the mounting shaft portion 3b fitted onto the base end 2a of the nail main body 2, and is fixed by welding, caulking, or the like.
錐状凹部４は具体的には２箇所設けられ、これらは釘主
体２の外周面に対向状に形成されている。Specifically, two conical recesses 4 are provided, and these are formed on the outer circumferential surface of the nail main body 2 to face each other.
該錐状凹部４は上記釘主体２の軸線方向に延びて形成さ
れるその平面形状は第１図に示すように、上記釘頭３側
つまり釘主体２の基端側に頂部４ａを有する錐状に形成
されている。また、錐状凹部４の深さは、上記頂部４ａ
から先端部４ｂに向けて軸方向へ連続的に増加するよう
に形成されている（第９図、第１０図および第６図参照
）。また、上記錐状凹部４の内側面は、第６図に示すよ
うに、上記先端部４ｂにおいて対向する他方の錐状凹部
４の内側面に接合されて、灯光７が形成されている。な
お、上記両雄状凹部４．４は、釘主体２の両側からプレ
ス加工によって形成されている。The conical recess 4 extends in the axial direction of the nail main body 2, and its planar shape is a conical shape having an apex 4a on the nail head 3 side, that is, on the base end side of the nail main body 2, as shown in FIG. It is formed in the shape of Further, the depth of the conical recess 4 is the same as that of the top 4a.
It is formed so as to continuously increase in the axial direction from the tip toward the tip 4b (see FIGS. 9, 10, and 6). Further, as shown in FIG. 6, the inner surface of the conical recess 4 is joined to the inner surface of the other opposing conical recess 4 at the tip 4b, forming a lamp light 7. Note that the above-mentioned bimale-shaped recesses 4.4 are formed by press working from both sides of the nail main body 2.
しかして、以上のように構成された特殊釘ｌは、第２図
において、発泡コンクリート５の上側に部材６を位置決
めして当てかった後、この上から釘頭３をハンマにより
打撃して、特殊釘１を発泡コンクリート５に打設し、上
記部材６を固定する。Thus, the special nail 1 constructed as described above is produced by, as shown in FIG. 2, positioning and applying the member 6 to the upper side of the foamed concrete 5, and then striking the nail head 3 from above with a hammer. A special nail 1 is driven into foamed concrete 5 to fix the member 6.
この打設時において、特殊釘１の釘主体２は、ステンレ
ス鋼製の中空軸材であって、それ自体が弾性を有するか
ら、発泡コンクリート５に打ち込まれるに従って、上記
釘主体２が弾性的に圧縮変形することとなる。したがっ
て、打ち込み完了時点においては、釘主体２および発泡
コンクリート５双方の圧縮変形による反力がこれらの間
に相互に弾発的に作用して、釘主体２の全表面が発泡コ
ンクリート５の接触面に密着することとなり、これによ
り、上記釘主体２の完全固定が確保されて、所期の抜は
止め効果が得られるのである。During this driving, the nail main body 2 of the special nail 1 is a hollow shaft made of stainless steel and has elasticity, so as it is driven into the foamed concrete 5, the nail main body 2 becomes elastic. This results in compression deformation. Therefore, at the time of completion of driving, the reaction force due to compressive deformation of both the nail main body 2 and the foam concrete 5 acts elastically between them, and the entire surface of the nail main body 2 is brought into contact with the foam concrete 5. As a result, complete fixation of the nail main body 2 is ensured, and the desired effect of preventing the nail from being pulled out can be obtained.
また、上記釘主体２に設けられた２つの錐状凹部４．４
は、発泡コンクリート５に対して抜は止め作用をなすか
ら、これと上記釘主体２自体の弾性力との協働作用によ
り、さらに堅固な抜は止め効果を得ることとなる。すな
わち、錐状凹部４における発泡コンクリート５の圧縮反
力が、錐状凹部４の外側面に分散して作用して、多方向
の応力を発揮するため、振動による緩みが有効に防止さ
れて、経時的な抜は止め作用の機能低下が防止される。Further, two conical recesses 4.4 provided in the nail main body 2
has a pull-out prevention effect on the foamed concrete 5, and the cooperation between this and the elastic force of the nail main body 2 itself results in an even stronger pull-out prevention effect. That is, the compressive reaction force of the foamed concrete 5 in the conical recess 4 acts in a distributed manner on the outer surface of the conical recess 4 and exerts stress in multiple directions, so loosening due to vibration is effectively prevented. Deterioration of the anti-removal function over time is prevented.
なお、本発明は上述の実施例に限定されることなく、種
々の設計変更することができる。Note that the present invention is not limited to the above-described embodiments, and various design changes can be made.
（発明の効果）
以上詳述したように、本発明によれば、金属製のパイプ
からなる釘主体の基端に釘頭が設けられ、上記釘主体の
外周面に、釘頭側に頂部を有し釘の先端に向けて形成さ
れた錐状凹部が複数列設けられているから、以下に列挙
するような種々のすぐれた効果を有する。(Effects of the Invention) As detailed above, according to the present invention, a nail head is provided at the base end of a nail main body made of a metal pipe, and a top portion is provided on the outer peripheral surface of the nail main body on the nail head side. Since a plurality of rows of conical recesses are formed toward the tip of the dowel, it has various excellent effects as listed below.
（１）釘主体が金属製のパイプからなるから、釘自体も
弾性を有し、しかも、釘主体の外周面に釘頭側に頂部を
有し釘の先端に向けて形成された錐状凹部が設けられて
いるから、特殊釘の発泡コンクＩＪ −トへの打ち込み
時においては、上記釘主体が弾性的に圧縮変形すること
となり、よって打ち込み完了後においては、上記圧縮変
形による反力が発泡コンクリートの圧縮反力と相互に弾
発的に作用しあって、釘主体の完全固定が確保され、強
固な抜は止め効果を得ることができる。(1) Since the main body of the nail is made of a metal pipe, the nail itself has elasticity, and in addition, a conical recess with an apex on the nail head side and formed toward the tip of the nail is formed on the outer peripheral surface of the nail main body. Because of this, when driving a special nail into foamed concrete IJ-G, the main body of the nail is elastically compressed and deformed, and therefore, after driving is completed, the reaction force due to the compressive deformation causes the foam to form. By interacting elastically with the compressive reaction force of the concrete, complete fixation of the nail itself is ensured, and a strong pull-out prevention effect can be obtained.
（２）釘主体の外周面に設けられた複数列の錐状凹部が
、発泡コンクリートに対して、抜は止め作用を有するか
ら、これと上記釘主体自体の弾性力との相乗効果により
、さらに堅固な抜は止め効果を得ることができる。(2) The multiple rows of conical recesses provided on the outer circumferential surface of the nail main body have a pull-out prevention effect on foamed concrete, so the synergistic effect of this and the elastic force of the nail main body itself further increases the A strong pulling effect can be obtained.
（３）釘主体が金属製のパイプからなるので、上記錐状
凹部はプレス加工等を加えることにより容易に形成する
ことが可能であり、かつ釘主体の基端に釘頭を設けると
直ちに特殊釘が得られ、よって大量生産に適し、製品コ
ストの低減化を図ることができる。(3) Since the main part of the nail is made of a metal pipe, the above-mentioned conical recess can be easily formed by adding press processing, etc., and if a nail head is provided at the base end of the main part of the nail, it can be immediately made into a special shape. A nail can be obtained, which is suitable for mass production, and the product cost can be reduced.
（４）上記釘主体のパイプ径および軸長を適宜設定する
ことにより、大、小の特殊釘を容易に量産することがで
きる。(4) By appropriately setting the pipe diameter and shaft length of the nail main body, large and small special nails can be easily mass-produced.
第１図は本発明に係る一実施例である発泡コンクリート
用特殊釘を示す斜視図、第２図は同町の使用状態を示す
縦断面図、第３図は同町の正面図、第４図は同側面図、
第５図は同平面図、第６図は同底面図、第７図は同縦断
面図、第８図は第３図における■−■線に沿った同断面
図、第９図は第３図におけるＩＸ−ＩＸ線に沿った同断
面図、第１Ｏ図は第３図におけるＸ−Ｘ線に沿った同断
面図である。
・・・特殊釘
ａ・・・釘主体の基端
・・・錐状凹部
ｂ・・・錐状凹部の先端部Figure 1 is a perspective view showing a special nail for foamed concrete that is an embodiment of the present invention, Figure 2 is a vertical sectional view showing how it is used in the town, Figure 3 is a front view of the town, and Figure 4 is a Same side view,
5 is a plan view of the same, FIG. 6 is a bottom view of the same, FIG. 7 is a vertical sectional view of the same, FIG. 8 is a sectional view of the same taken along the line ■-■ in FIG. FIG. 1O is a cross-sectional view taken along the line IX-IX in FIG. 3, and FIG. 1O is a cross-sectional view taken along the line X-X in FIG. ...Special nail a...Base end of nail main body...Conical recess b...Tip of conical recess
Claims (1)
ト用釘。(1) Foamed concrete nails having the form shown in the drawings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP659189A JPH0221010A (en) | 1989-01-13 | 1989-01-13 | Nail for forming concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP659189A JPH0221010A (en) | 1989-01-13 | 1989-01-13 | Nail for forming concrete |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22296186A Division JPS6263211A (en) | 1986-09-20 | 1986-09-20 | Special nail for aerated concrete |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0221010A true JPH0221010A (en) | 1990-01-24 |
Family
ID=11642575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP659189A Pending JPH0221010A (en) | 1989-01-13 | 1989-01-13 | Nail for forming concrete |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0221010A (en) |
-
1989
- 1989-01-13 JP JP659189A patent/JPH0221010A/en active Pending
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