JP2922891B1 - Anchor holder for concrete product molding - Google Patents

Anchor holder for concrete product molding

Info

Publication number
JP2922891B1
JP2922891B1 JP14841698A JP14841698A JP2922891B1 JP 2922891 B1 JP2922891 B1 JP 2922891B1 JP 14841698 A JP14841698 A JP 14841698A JP 14841698 A JP14841698 A JP 14841698A JP 2922891 B1 JP2922891 B1 JP 2922891B1
Authority
JP
Japan
Prior art keywords
anchor
concrete
support pin
hole
holder
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 - Fee Related
Application number
JP14841698A
Other languages
Japanese (ja)
Other versions
JPH11320541A (en
Inventor
貞雄 栗原
靖規 宮崎
雅夫 加藤
Original Assignee
株式会社小野田
武田工業株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 株式会社小野田, 武田工業株式会社 filed Critical 株式会社小野田
Priority to JP14841698A priority Critical patent/JP2922891B1/en
Application granted granted Critical
Publication of JP2922891B1 publication Critical patent/JP2922891B1/en
Publication of JPH11320541A publication Critical patent/JPH11320541A/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

【要約】 【課題】 土木用,建築用等のコンクリート製品の表面
に半球状の窪みを形成しその中にアンカーを表面より突
き出ないように埋設するためのコンクリート製品を成形
する際に該アンカーを保持する用具であって、ワンタッ
チで取付ができ使用現場での作業を軽減するなどコンク
リート製品の成形作業を容易ならしめる。 【解決手段】 保持具本体1のねじ孔2に螺合する雄ね
じ部21を一端に形成したプラスチック製の中空軸状の
支持ピン20に外方に弾性的に拡径する係合片23を一
体に成形し、該支持ピンをコンクリート型枠30に開設
された取付孔31に貫挿し該係合片を拡径させることで
該保持具本体が該コンクリート型枠の内面に取り付けら
れるようにした。
Abstract: PROBLEM TO BE SOLVED: To form a hemispherical dent on the surface of a concrete product for civil engineering, construction, etc., and to form a concrete product for embedding the anchor therein so as not to protrude from the surface. It is a holding tool that can be attached with a single touch and reduces the work on site, facilitating the molding of concrete products. SOLUTION: A plastic hollow shaft-like support pin 20 formed at one end with a male screw portion 21 screwed into a screw hole 2 of a holder body 1 is integrally formed with an engaging piece 23 elastically expanding outward. The holding pin body is attached to the inner surface of the concrete formwork by inserting the support pin into a mounting hole 31 formed in the concrete formwork 30 and expanding the diameter of the engaging piece.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、土木用,建築用等
のコンクリート製品にアンカーを表面より突き出ないよ
うに埋設できるよう、コンクリート製品成形時に該アン
カーを保持するための用具に関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tool for holding an anchor at the time of molding a concrete product so that the anchor can be buried in a concrete product for civil engineering, construction or the like so as not to protrude from the surface.

【0002】[0002]

【従来の技術】コンクリートパネル,コンクリート製土
留め等のコンクリート製品にアンカーを埋設しクレーン
にてこのコンクリート製品を吊上げるに際し、クレーン
フックを該アンカーの頭部に容易にしかも確実に係合で
きるようにし、該コンクリート製品の移動,据付け等の
現場作業を容易ならしめることが従来からなされてい
る。そしてコンクリート製品の表面に半球状の窪みを形
成して該窪み中にアンカーの頭部を突出させることでコ
ンクリート製品の表面にアンカーが突き出ることなく、
後でアンカーを切断する必要がないようにすることも従
来からなされている。
2. Description of the Related Art An anchor is buried in a concrete product such as a concrete panel or a concrete retaining wall, and when the concrete product is lifted by a crane, the crane hook can be easily and securely engaged with the head of the anchor. Conventionally, on-site work such as movement and installation of the concrete product has been facilitated. And by forming a hemispherical depression on the surface of the concrete product and projecting the head of the anchor into the depression, the anchor does not protrude on the surface of the concrete product,
Conventionally, it is not necessary to cut the anchor later.

【0003】[0003]

【発明が解決しようとする課題】ところで上記のように
コンクリート製品の表面に半球状の窪みを形成してその
中にアンカーを突出させるために、コンクリート製品成
形時に従来から該コンクリート型枠の内面にアンカー保
持具を取り付ける方法としては、該アンカー保持具に永
久磁石を設けておき、その磁力で固定する手法が従来か
ら知られていたが、強力な磁石を用いないとコンクリー
ト打設時に移動してしまうおそれがあったので、その磁
石のコストが高く製品価格が非常に高いものになる欠点
があった。そこで本発明はさらに低コストで製造し得る
アンカー保持具を提供しようとするものである。
As described above, in order to form a hemispherical recess on the surface of a concrete product and to project an anchor therein, a concrete product has conventionally been formed on the inner surface of the concrete form during molding. As a method of attaching the anchor holder, a method has been conventionally known in which a permanent magnet is provided on the anchor holder and fixed by the magnetic force. There was a drawback that the cost of the magnet was high and the product price was very high. Therefore, the present invention aims to provide an anchor holder that can be manufactured at a lower cost.

【0004】また通常のボルトでアンカー保持具を取り
付けると型開きするに際して該ボルトを型枠から外さな
いかぎり型枠に異常な力が掛かって型枠を傷めるおそれ
があるので作業工数が増す欠点がありそのために製造コ
ストが増すおそれがあった。
[0004] Further, when the anchor retainer is attached with a normal bolt, when the mold is opened, unless the bolt is removed from the mold, an abnormal force may be applied to the mold and the mold may be damaged. For that reason, there was a possibility that the production cost would increase.

【0005】[0005]

【課題を解決するための手段】本発明に係るコンクリー
ト製品成形時のアンカー保持具は上記課題を解決しよう
とするもので、略半球状の合成樹脂製の保持具本体の円
形平面の中心にねじ孔を形成し、該保持具本体の球面中
心にアンカーの頭部が遊嵌し得る保持孔を該ねじ孔と同
心状にて連通するように形成し、該保持孔中に該アンカ
ーの首部に巻回するようにゴム製パッキンを挿し込むと
ともに、一端に前記ねじ孔に螺合する雄ねじ部が形成さ
れたプラスチック製の中空軸状の支持ピンに外方に弾性
的に拡径する係合片を一体に成形し、該支持ピンをコン
クリート型枠に開設された取付孔に貫挿し該係合片を拡
径させることで該保持具本体が該コンクリート型枠の内
面に取り付けられるようにしたことを特徴とする。また
本発明は上記アンカー保持具において、支持ピンの雄ね
じ部の内周面を多角形にし回転工具を係合し得るように
したことを特徴とする。また本発明は上記アンカー保持
具において、支持ピンの雄ねじ部の基部に折損を容易な
らしめる肉薄部を形成したことを特徴とする。
SUMMARY OF THE INVENTION An anchor holder for molding a concrete product according to the present invention is intended to solve the above-mentioned problem, and a screw is provided at the center of a circular flat surface of a substantially hemispherical synthetic resin holder body. A hole is formed, and a holding hole into which the head of the anchor can be loosely fitted is formed at the center of the spherical surface of the holder main body so as to communicate concentrically with the screw hole. A rubber packing is inserted so as to be wound, and an engagement piece that elastically expands outwardly on a plastic hollow shaft-shaped support pin having a male screw portion formed at one end thereof and screwed into the screw hole. The holder body is attached to the inner surface of the concrete form by inserting the support pin into a mounting hole formed in the concrete form and expanding the diameter of the engagement piece. It is characterized by. Further, the present invention is characterized in that the inner peripheral surface of the male screw portion of the support pin is polygonal in the anchor holder, so that a rotating tool can be engaged with the inner peripheral surface. Further, the present invention is characterized in that in the anchor holder, a thin portion for facilitating breakage is formed at a base of the male screw portion of the support pin.

【0006】[0006]

【発明の実施の形態】次に本発明の実施の形態を図面と
共に説明する。図1にアンカー保持具の分解斜視図を示
し、図中1は略半球状の保持具本体である。該保持具本
体1は図2にさらにその分解斜視図を示したように、鉄
製の円板体3の中心部に筒部4を一体に成形し該筒部の
内周にねじ孔2を形成し、該円板体3を合成樹脂製の半
球体5の円形平面に樹脂製の円形止板8とともにビス6
によって固着してなる。なお該半球体5の中心には保持
孔7が前記ねじ孔2と同心状にて連通するように形成さ
れている。
Embodiments of the present invention will now be described with reference to the drawings. FIG. 1 shows an exploded perspective view of the anchor holder, in which 1 is a substantially hemispherical holder main body. As shown in an exploded perspective view of FIG. 2, the holder body 1 is formed integrally with a cylindrical portion 4 at the center of an iron disk 3 and a screw hole 2 is formed on the inner periphery of the cylindrical portion. Then, the disk body 3 is screwed together with a resin circular stop plate 8 onto the circular flat surface of the synthetic resin hemisphere 5.
It becomes stuck by. A holding hole 7 is formed at the center of the hemisphere 5 so as to communicate with the screw hole 2 concentrically.

【0007】10は半球体5の円形平面の外周縁に円形
止板8によって止着されたゴム製環体で、該ゴム製環体
10の外周縁には弾力性のあるリップ状部11が一体に
形成されている。
Reference numeral 10 denotes a rubber ring fixed to the outer peripheral edge of the circular flat surface of the hemisphere 5 by a circular stopper plate 8. On the outer peripheral edge of the rubber ring 10, an elastic lip portion 11 is provided. It is formed integrally.

【0008】また、13はコンクリート製品中に埋設さ
れるアンカーで、該アンカー13の頭部14は前記保持
孔7中に遊嵌し得る。15は該アンカー13の首部16
に巻回され保持孔7中に挿し込まれる切欠リング状のゴ
ム製パッキンである。該パッキン15は保持孔7中に頭
部14を保持させると共に、保持孔7中にコンクリート
が侵入するのを防ぐもので、切欠17が形成され、該切
欠を押し拡げることにより首部16に巻回される。
An anchor 13 is buried in a concrete product, and a head 14 of the anchor 13 can be loosely fitted into the holding hole 7. 15 is a neck 16 of the anchor 13
Is a notched ring-shaped rubber packing wound around and inserted into the holding hole 7. The packing 15 holds the head 14 in the holding hole 7 and prevents concrete from entering the holding hole 7. A notch 17 is formed, and the notch 17 is wound around the neck 16 by pushing and expanding the notch. Is done.

【0009】また、支持ピン20はプラスチック製の中
空軸状のもので、図3,図4にも示したように、その一
端に前記ねじ孔2に螺合する雄ねじ部21が形成されて
いる。そして、相対する側壁にコ字状切欠22を形成す
ることにより外方に弾性的に拡径する一対のクサビ状の
係合片23を一体に成形している。
The support pin 20 is a hollow shaft made of plastic, and has a male screw portion 21 which is screwed into the screw hole 2 at one end, as shown in FIGS. . Then, a pair of wedge-shaped engaging pieces 23 which are elastically expanded outward by forming a U-shaped notch 22 on the opposing side wall are integrally formed.

【0010】また、該支持ピン20の雄ねじ部21の内
周面24は六角レンチ等の回転工具を係合し得るように
多角形に形成されている。また、雄ねじ部21の基部に
は折損を容易ならしめるための肉薄部25が形成されて
いる。
The inner peripheral surface 24 of the male screw portion 21 of the support pin 20 is formed in a polygonal shape so that a rotating tool such as a hexagon wrench can be engaged. In addition, a thin portion 25 for facilitating breakage is formed at the base of the male screw portion 21.

【0011】しかしてこのアンカー保持具を使用するに
際しては、先ずアンカー13の首部16にパッキン15
を巻回させ保持具本体1の保持孔7中に該頭部14を遊
嵌し該アンカー13を保持孔7中に支持するとともに、
ねじ孔2に雄ねじ部21を螺合することにより該保持具
本体1に支持ピン20を取付する。そして図5に示した
ように、鉄板製のコンクリート型枠30に開設された取
付孔31に該支持ピン20を貫挿する。その際、一対の
係合片23は該取付孔31の内面に押されて一旦は縮径
するが該取付孔を通過すると弾性によって拡径し、抜け
止めとなる。このためコンクリート型枠の内面にワンタ
ッチで取り付けることができる。
When using the anchor holder, first, a packing 15 is attached to the neck 16 of the anchor 13.
And the head 14 is loosely fitted into the holding hole 7 of the holder body 1 to support the anchor 13 in the holding hole 7,
The support pin 20 is attached to the holder main body 1 by screwing the male screw portion 21 into the screw hole 2. Then, as shown in FIG. 5, the support pins 20 are inserted into mounting holes 31 formed in a concrete formwork 30 made of an iron plate. At this time, the pair of engagement pieces 23 is pushed by the inner surface of the mounting hole 31 and once reduced in diameter, but when passing through the mounting hole, the diameter is expanded by elasticity to prevent it from falling off. Therefore, it can be attached to the inner surface of the concrete form with one touch.

【0012】そして該コンクリート型枠30内にコンク
リート32が打設される。なお、打設されたコンクリー
ト32の圧力でリップ状部11がコンクリート型枠30
に密着するので、コンクリートが保持具本体1と型枠内
面の間に侵入し難くできる。
Then, concrete 32 is poured into the concrete formwork 30. It should be noted that the lip-shaped portion 11 is moved by the pressure of the concrete 32 cast into the concrete form 30.
, It is possible to make it difficult for the concrete to penetrate between the holder body 1 and the inner surface of the formwork.

【0013】そしてコンクリート32を養生,硬化させ
た後、コンクリート型枠30が外される。その際、支持
ピン20は取付孔31に貫挿したままであっても、該支
持ピンは肉薄部25より折損し易くできているので、雄
ねじ部21はねじ孔2中に螺合したままで残る。そこで
図6に示したように、六角レンチ等の回転工具33を該
雄ねじ部21中に差し込んで内周面の多角形に係合さ
せ、該雄ねじ部21を回転しねじ孔2に沿って螺進させ
ることにより該雄ねじ部21の先端で頭部14を押すこ
とにより保持具本体1をコンクリート32から離脱さ
せ、その後アンカー13よりパッキン15を取り外す。
これにより図7に示したようにコンクリート製品34の
表面に半球状の窪み35が形成されその中にアンカー1
3の頭部14を突出させることができる。
After curing and hardening the concrete 32, the concrete form 30 is removed. At this time, even if the support pin 20 is kept inserted through the mounting hole 31, the support pin is more easily broken than the thin portion 25, so that the male screw portion 21 remains screwed into the screw hole 2. . Therefore, as shown in FIG. 6, a rotary tool 33 such as a hexagon wrench is inserted into the male screw portion 21 to engage with the polygon on the inner peripheral surface, and the male screw portion 21 is rotated to screw along the screw hole 2. The holder body 1 is detached from the concrete 32 by pushing the head portion 14 with the tip of the male screw portion 21 by moving the male screw portion 21, and then the packing 15 is removed from the anchor 13.
As a result, as shown in FIG. 7, a hemispherical recess 35 is formed on the surface of the concrete product 34, and the anchor 1
The third head 14 can be protruded.

【0014】[0014]

【発明の効果】このように、本発明に係るアンカー保持
具は、保持具本体のねじ孔に螺合する雄ねじ部を一端に
形成したプラスチック製の中空軸状の支持ピンに外方に
弾性的に拡径する係合片を一体に成形し、該支持ピンを
コンクリート型枠に開設された取付孔に貫挿し該係合片
を拡径させることで該保持具本体が該コンクリート型枠
の内面に取り付けられるようにしたので、ワンタッチで
取付ができ使用現場での作業が軽減され、かつまた該支
持ピンはプラスチック製の中空軸状であるので容易に折
損し型開きの邪魔になることなく、保持具本体のねじ孔
中に残った雄ねじ部を螺進させることで該保持具本体の
離脱も容易に行えるようになるなど、コンクリート成形
作業を容易ならしめる有益な効果がある。
As described above, the anchor retainer according to the present invention is elastically outwardly attached to a plastic hollow shaft-shaped support pin having at one end a male screw portion screwed into the screw hole of the retainer body. The support body is inserted into a mounting hole formed in the concrete form, and the diameter of the engaging piece is increased, so that the holder main body is formed on the inner surface of the concrete form. Since it can be attached to the device, it can be attached with one touch and the work at the site of use is reduced, and since the support pin is formed of a plastic hollow shaft, it is easily broken and does not hinder the opening of the mold, By screwing the male thread remaining in the screw hole of the holder main body, the holder main body can be easily detached, which has a beneficial effect of facilitating concrete molding work.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明に係るアンカー保持具の実施の形態を示
す分解斜視図。
FIG. 1 is an exploded perspective view showing an embodiment of an anchor holder according to the present invention.

【図2】図1の保持具本体の分解斜視図。FIG. 2 is an exploded perspective view of the holder main body of FIG.

【図3】図1の支持ピンの外観斜視図。FIG. 3 is an external perspective view of a support pin shown in FIG. 1;

【図4】図1の支持ピンの縦断面図。FIG. 4 is a longitudinal sectional view of the support pin of FIG. 1;

【図5】本発明に係るアンカー保持具の使用状態を示し
た縦断面図。
FIG. 5 is a longitudinal sectional view showing a use state of the anchor holder according to the present invention.

【図6】図5の作動状態図。FIG. 6 is an operation state diagram of FIG. 5;

【図7】コンクリート製品の縦断面図。FIG. 7 is a longitudinal sectional view of a concrete product.

【符号の説明】[Explanation of symbols]

1 保持具本体 2 ねじ孔 7 保持孔 10 ゴム製環体 13 アンカー 14 頭部 15 ゴム製パッキン 20 支持ピン 21 雄ねじ部 22 コ字状切欠 23 係合片 24 内周面 25 肉薄部 30 コンクリート型枠 31 取付孔 DESCRIPTION OF SYMBOLS 1 Holder main body 2 Screw hole 7 Holding hole 10 Rubber ring 13 Anchor 14 Head 15 Rubber packing 20 Support pin 21 Male screw part 22 U-shaped notch 23 Engagement piece 24 Inner peripheral surface 25 Thin part 30 Concrete form 31 Mounting hole

───────────────────────────────────────────────────── フロントページの続き (72)発明者 加藤 雅夫 愛知県刈谷市一色町3丁目6の6 武田 工業株式会社内 (58)調査した分野(Int.Cl.6,DB名) B28B 7/00 - 7/46 B28B 21/00 - 23/22 ──────────────────────────────────────────────────続 き Continuing from the front page (72) Inventor Masao Kato 3-6-6 Isshiki-cho, Kariya-shi, Aichi Takeda Industries Co., Ltd. (58) Field surveyed (Int. Cl. 6 , DB name) B28B 7/00 -7/46 B28B 21/00-23/22

Claims (3)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】 略半球状の合成樹脂製の保持具本体の円
形平面の中心にねじ孔を形成し、該保持具本体の球面中
心にアンカーの頭部が遊嵌し得る保持孔を該ねじ孔と同
心状にて連通するように形成し、該保持孔中に該アンカ
ーの首部に巻回するようにゴム製パッキンを挿し込むと
ともに、一端に前記ねじ孔に螺合する雄ねじ部が形成さ
れたプラスチック製の中空軸状の支持ピンに外方に弾性
的に拡径する係合片を一体に成形し、該支持ピンをコン
クリート型枠に開設された取付孔に貫挿し該係合片を拡
径させることで該保持具本体が該コンクリート型枠の内
面に取り付けられるようにしたことを特徴とするコンク
リート製品成形時のアンカー保持具。
1. A screw hole is formed at the center of a circular plane of a substantially hemispherical synthetic resin holding body, and the holding hole into which the head of an anchor can be loosely fitted is formed at the center of the spherical surface of the holding body. It is formed so as to communicate concentrically with the hole, a rubber packing is inserted into the holding hole so as to be wound around the neck of the anchor, and at one end, a male screw portion screwed into the screw hole is formed. A plastic hollow shaft-shaped support pin is integrally molded with an engagement piece that elastically expands outward, and the support pin is inserted into a mounting hole formed in a concrete form, and the engagement piece is inserted. An anchor holder for molding a concrete product, characterized in that the holder main body is attached to the inner surface of the concrete formwork by expanding its diameter.
【請求項2】 支持ピンの雄ねじ部の内周面を多角形に
し回転工具を係合し得るようにしたことを特徴とする請
求項1に記載のコンクリート製品成形時のアンカー保持
具。
2. The anchor holder according to claim 1, wherein the inner peripheral surface of the external thread portion of the support pin is polygonal so that a rotary tool can be engaged.
【請求項3】 支持ピンの雄ねじ部の基部に折損を容易
ならしめる肉薄部を形成したことを特徴とする請求項1
または2に記載のコンクリート製品成形時のアンカー保
持具。
3. A thin portion for facilitating breakage is formed at the base of the male screw portion of the support pin.
Or an anchor holder for molding a concrete product according to item 2.
JP14841698A 1998-05-12 1998-05-12 Anchor holder for concrete product molding Expired - Fee Related JP2922891B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14841698A JP2922891B1 (en) 1998-05-12 1998-05-12 Anchor holder for concrete product molding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14841698A JP2922891B1 (en) 1998-05-12 1998-05-12 Anchor holder for concrete product molding

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JP2922891B1 true JP2922891B1 (en) 1999-07-26
JPH11320541A JPH11320541A (en) 1999-11-24

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108481541A (en) * 2018-06-01 2018-09-04 杨昱 A kind of round end hangs the pre-buried fixed structure of nail

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4667351B2 (en) * 2006-12-13 2011-04-13 松岡コンクリート工業株式会社 Mold structure for concrete block, holder used for mold structure for concrete block, and method for producing concrete block

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108481541A (en) * 2018-06-01 2018-09-04 杨昱 A kind of round end hangs the pre-buried fixed structure of nail

Also Published As

Publication number Publication date
JPH11320541A (en) 1999-11-24

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