JP5336733B2

JP5336733B2 - Concrete buried object

Info

Publication number: JP5336733B2
Application number: JP2007337464A
Authority: JP
Inventors: 建世古田; 信夫堀
Original assignee: Mirai Kogyo KK
Current assignee: Mirai Kogyo KK
Priority date: 2007-12-27
Filing date: 2007-12-27
Publication date: 2013-11-06
Anticipated expiration: 2027-12-27
Also published as: JP2009155979A

Abstract

<P>PROBLEM TO BE SOLVED: To position and retain an opening of an embedded object in a state that it is securely brought into contact with a mold surface in a place where concrete surfaces are orthogonal to each other because of beams, slabs or the like of a building and the space between the mold and reinforcing iron bars or the like embedded in the concrete is small, thus securely preventing the intrusion of grout into the opening at the time of the pouring of the concrete, and to easily connect a protective tube of a wiring/plumbing material to a connection part. <P>SOLUTION: The concrete embedded object has a connection part 11, the opening 3, a first contact surface 22 and a second contact surface 32. A corrugate tube is connected to the connection part, and the opening is exposed from the concrete wall surface for pulling out a cable drawn into the corrugate tube. The first contact surface and the second contact surface 32 which are formed of two surfaces orthogonal to each other are continuously brought into contact with two surfaces of the concrete mold which are orthogonal to each other. The opening 3 is formed at the second contact surface. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

本発明は、コンクリート型枠を使用して建物の梁の側壁、間仕切り壁、スラブ等のコンクリート内に埋設される、配管材の端末保護カバー、ボックス等のコンクリート埋設物に関するものであり、特に、コンクリート面が直交し、型枠とコンクリートに埋設される鉄筋等との間隔が狭い箇所に埋設されるコンクリート埋設物に関するものである。 The present invention relates to concrete embedments such as end protection covers for piping materials, boxes, etc., which are embedded in concrete such as side walls of buildings, partition walls, slabs, etc., using concrete molds, The present invention relates to a concrete-embedded object embedded in a place where the concrete surface is orthogonal and the space between the formwork and the reinforcing bar embedded in the concrete is narrow.

従来より、ケーブル等を建物の梁の側壁、間仕切り壁、スラブ等のコンクリート内に送り込んだり、二重天井の壁裏等に引き込んだりするために、コンクリート内に端末保護カバーやボックス等の埋設物を埋設することが行なわれている。これらの埋設物はコンクリート型枠に釘打ち等により固定された後、コンクリートを打設してコンクリート内に埋設される。
ところで、コンクリートの側壁内を挿通させて二重天井の壁裏などにケーブル等を配線するためにその保護管を配管する工事においては、型枠とコンクリートに埋設される鉄筋との間が狭く、特に、コンクリートによって構築される梁内では鉄筋が縦横に密に配筋されているため、埋設物を型枠に釘打ちによって固定することは困難であった。 Conventionally, in order to send cables, etc. into concrete such as side walls, partition walls, slabs, etc. of buildings, or into the back of double ceiling walls, etc., buried items such as terminal protective covers and boxes in concrete Is being buried. These buried objects are fixed to the concrete formwork by nailing or the like, and then concrete is placed and buried in the concrete.
By the way, in the construction where the protective pipe is routed in order to pass the inside of the concrete side wall and route the cable etc. to the back of the double ceiling wall, the space between the formwork and the reinforcing bar embedded in the concrete is narrow, In particular, in a beam constructed of concrete, the reinforcing bars are closely arranged vertically and horizontally, so it was difficult to fix the buried object to the formwork by nailing.

そこで、実開平５−５２０９公報に掲載のコンクリート埋設物の固定具が提案されている。このコンクリート埋設物の固定具は、コンクリート埋設物をコンクリート型枠上から落し込んで建物の梁等の側壁を形成する型枠に固定するためのものである。図８(a)に示すように、固定具７１は、金属板をＬ字形に曲げ形成して作製され、スラブ６５のコンクリート壁面Ｗを形成するための第１型枠６１への固定部７２と、埋設物７４を取付けるための腕部７３とで形成されている。固定部７２には釘４や螺子等を挿通させるための挿通孔が形成されている。また、腕部７３は固定部７２側に向けて折り曲げられる突片が左右一対設けられ、この突片が埋設物７４の周縁に形成された鍔部の切欠に嵌め込まれた後、鍔部を挟持するように折り曲げられて固定具７１に取付けられるようになっている。 In view of this, there has been proposed a fixture for a concrete buried object disclosed in Japanese Utility Model Laid-Open No. 5-5209. The fixture for a concrete buried object is for dropping the concrete buried object from a concrete formwork and fixing it to a formwork that forms a side wall such as a beam of a building. As shown in FIG. 8 (a), the fixture 71 is produced by bending a metal plate into an L shape, and a fixing portion 72 to the first mold 61 for forming the concrete wall surface W of the slab 65; , And an arm portion 73 for attaching the embedded object 74. The fixing portion 72 is formed with an insertion hole through which the nail 4 and a screw are inserted. In addition, the arm portion 73 is provided with a pair of left and right protrusions that are bent toward the fixed portion 72, and after the protrusions are fitted into the notches of the flange formed on the peripheral edge of the embedded object 74, the arm 73 is sandwiched. It is bent so as to be attached to the fixture 71.

この固定具７１を使用して埋設物７４を梁６４内に埋設する場合には、図８(a)に示すように、固定具７１の腕部７３に埋設物７４を取付け、保護管である電線管７５を接続した後、上方から梁６４の形成空間に落し込み、梁６４を形成するための第２型枠６２に埋設物７４を密着させる。この状態で、スラブ６５を形成する第１型枠６１に固定部７２を当接し、固定部７２の挿通孔に釘４を挿通し、第１型枠６１に打ち込むことにより、固定具７１を第１型枠６１に固定する。次いで、コンクリートを打設し、図９に示すように、固定具７１及び埋設物７４を埋設する。埋設後は、埋設物７４の開口より二重天井の壁裏にケーブルＣの引き込み配線が行なわれる。
したがって、この固定具７１によれば、鉄筋６３から離れた第１型枠６１上の広いスペースにおいて固定部７２を釘打ちによって該第１型枠６１に固定することができ、もって、埋設物７４を楽に型枠に取付けることができる。
実開平５−５２０９公報 When the embedded object 74 is embedded in the beam 64 using the fixing tool 71, the embedded object 74 is attached to the arm portion 73 of the fixing tool 71 as shown in FIG. After the conduit 75 is connected, it drops into the formation space of the beam 64 from above, and the embedded object 74 is brought into close contact with the second formwork 62 for forming the beam 64. In this state, the fixing portion 72 is brought into contact with the first mold 61 forming the slab 65, the nail 4 is inserted into the insertion hole of the fixing portion 72, and driven into the first mold 61, whereby the fixing tool 71 is The first mold 61 is fixed. Next, concrete is placed, and as shown in FIG. 9, the fixture 71 and the buried object 74 are buried. After the embedment, the cable C is routed from the opening of the embedment 74 to the back of the double ceiling wall.
Therefore, according to this fixture 71, the fixing portion 72 can be fixed to the first mold 61 by nailing in a wide space on the first mold 61 away from the reinforcing bar 63, and thus the embedded object 74 Can be easily attached to the formwork.
Japanese Utility Model Publication No. 5-5209

しかし、前記実開平５−５２０９公報に記載のコンクリート埋設物の固定具７１は、埋設物７４が腕部７３に取付けられており、固定部７２から埋設物７４までが大きく離間し、両者間に空間が形成されている。そして、固定具７１は固定部７２において強固に第１型枠６１に固定されているものの、埋設物７４は固定部７２から遠く離れた腕部７３の端部に取付けられた第２型枠６２に開口が軽く当接しているにすぎない。このため、腕部７３はその面と直交する方向に反って端部が第２型枠６２に対してぶれ易く、コンクリートが打設されたとき、その打設圧によって埋設物７４の開口と第２型枠６２との間が容易に押し広げられ、隙間からトロが開口内に侵入してしまうことがある。 However, in the concrete embedded fixture 71 described in the Japanese Utility Model Laid-Open No. 5-5209, the embedded object 74 is attached to the arm portion 73, and the fixed portion 72 to the embedded object 74 are largely separated from each other. A space is formed. The fixing tool 71 is firmly fixed to the first mold 61 at the fixing part 72, but the embedded object 74 is attached to the end of the arm part 73 far away from the fixing part 72. The opening is only lightly touching. For this reason, the arm part 73 warps in the direction orthogonal to the surface thereof and the end part easily shakes with respect to the second formwork 62, and when concrete is placed, the placement pressure and the opening of the embedded object 74 are The space between the two molds 62 can be easily spread and the toro may enter the opening from the gap.

一方、それを避けるべく、固定部７２に第１型枠６１の面に沿う図８(a)の左方向の力を加え、固定具７１全体を第２型枠６２側に強く押し付け、遠隔的に埋設物７４の開口を第２型枠６２に押し付けようとすれば、図８(b)に示すように、固定部７２と埋設物７４との間の空間における上端部の間隔が狭くなる反面、固定部７２と腕部７３との間の屈曲角度が直角から広角に僅かに変化して腕部７３が第２型枠６２と反対側に傾斜し、埋設物７４はその上端角部と第２型枠６２との当接点Ｏを支点に傾斜することとなる。その結果、埋設物７４の下端において第２型枠６２との間に隙間Ｓを生ずることとなり、この隙間Ｓから前記と同様にコンクリートのトロが開口内に侵入することとなる。
このように、この固定具７１を用いて、埋設物７４を型枠に確実に密接した状態に保持し位置決めすることは困難である。 On the other hand, in order to avoid this, a force in the left direction in FIG. 8A along the surface of the first mold 61 is applied to the fixing portion 72, and the entire fixing tool 71 is strongly pressed against the second mold 62 side. On the other hand, if the opening of the embedded object 74 is pressed against the second mold 62, as shown in FIG. 8 (b), the distance between the upper ends in the space between the fixed part 72 and the embedded object 74 becomes narrower. The bending angle between the fixing part 72 and the arm part 73 slightly changes from a right angle to a wide angle, the arm part 73 is inclined to the opposite side to the second mold 62, and the embedded object 74 is connected to the upper end corner part and the first part. The contact point O with the two molds 62 is inclined at the fulcrum. As a result, a gap S is formed between the lower end of the buried object 74 and the second mold 62, and a concrete trowel enters the opening from the gap S in the same manner as described above.
As described above, it is difficult to hold and position the embedded object 74 in a state of being in close contact with the mold using the fixture 71.

また、前記公報に記載の固定具７１は、固定具７１の腕部７３に埋設物７４を取付け、電線管７５を接続した後、上方から梁６４の形成空間に落し込み、第２型枠６２に埋設物７４を密着させているが、その際、第２型枠６２と鉄筋６３との間隔が狭く、接続作業を行ないにくいから、電線管７５を一旦第２型枠６２の上方に引き出し、埋設物７４に接続した後、固定具７１及び埋設物７４を梁６４の形成空間に落し込み、電線管７５を下方に押し戻すことになる。しかし、電線管７５の布設経路の状況によってはその押し戻しが困難な場合がある。このようなことから、電線管７５は、先に固定具７１を型枠に固定して埋設物７４を型枠の所定箇所に配置してから、埋設物７４の接続部に接続するのが好ましい場合もある。
ところが、前記固定具７１は、埋設物７４が固定部７２から離間し、第２型枠６２と鉄筋６３との狭い空間に配置されるから、埋設物７４を配置した後に、狭い空間に手を差し入れて埋設物７４に電線管７５を接続するのは非常に困難である。 In addition, the fixing tool 71 described in the above publication is attached to the arm 73 of the fixing tool 71 and connected to the conduit 75, and then dropped into the formation space of the beam 64 from above, so that the second mold 62 The embedded object 74 is in close contact with each other, but at that time, the interval between the second mold 62 and the reinforcing bar 63 is narrow, and it is difficult to perform the connection work. After connecting to the buried object 74, the fixture 71 and the buried object 74 are dropped into the space where the beam 64 is formed, and the conduit 75 is pushed back downward. However, depending on the situation of the laying path of the conduit 75, it may be difficult to push back. For this reason, the conduit 75 is preferably connected to the connection portion of the embedded object 74 after the fixing tool 71 is first fixed to the mold and the embedded object 74 is disposed at a predetermined position of the mold. In some cases.
However, since the embedded object 74 is separated from the fixed part 72 and is disposed in a narrow space between the second formwork 62 and the reinforcing bar 63, the fixing tool 71 places the hand in the narrow space after the embedded object 74 is disposed. It is very difficult to insert and connect the conduit 75 to the buried object 74.

そこで、本発明は、建物の梁やスラブ等でコンクリート面が直交し、型枠とコンクリートに埋設される鉄筋等との間隔が狭い箇所において、開口を確実に型枠面に密接させた状態に保持、位置決めすることができ、もって、コンクリート打設時にトロが開口内に侵入するのを確実に防止でき、また、配線・配管材の保護管を容易に接続部に接続することができるコンクリート埋設物の提供を課題とするものである。 Therefore, the present invention ensures that the opening is in close contact with the formwork surface in a place where the concrete surface is perpendicular to the beam or slab of the building and the space between the formwork and the reinforcing bar embedded in the concrete is narrow. Concrete burial that can be held and positioned, so that it is possible to reliably prevent the toro from entering the opening when placing concrete, and to easily connect protective pipes for wiring and piping materials to the connection part The issue is the provision of goods.

請求項１のコンクリート埋設物は、直交するコンクリート壁を形成するコンクリート型枠に固定され、コンクリート内に埋設されて前記コンクリート壁の角部に設置されるものであって、保護管が接続される接続部と、前記保護管に引き込まれた配線・配管材をコンクリート壁面から引き出すために該コンクリート壁面から露出する開口と、直交する二面で形成されて前記コンクリート型枠の直交する二面に連続して当接する当接面とを備え、前記直交する二面で形成された当接面は、合成樹脂材により一体に形成され、前記開口は、前記当接面の少なくとも一面に形成されている。
The concrete embedment according to claim 1 is fixed to a concrete formwork forming an orthogonal concrete wall, embedded in concrete, and installed at a corner of the concrete wall, to which a protective pipe is connected. A connection part, an opening exposed from the concrete wall surface for drawing out the wiring / pipe material drawn into the protective tube from the concrete wall surface, and two orthogonal surfaces, which are continuous with the orthogonal two surfaces of the concrete formwork The contact surface formed by the two orthogonal surfaces is integrally formed of a synthetic resin material, and the opening is formed on at least one of the contact surfaces. .

前記コンクリート壁は、建物の梁の側壁、間仕切り壁、スラブの床壁等が該当し、コンクリート埋設物はこれらのコンクリート壁が直交する角部に設置される。ここで、前記「角部」は、コンクリート壁の直交部分において、一方の当接面が一方の型枠に当接し固定された状態で、他方の当接面が他方の型枠から離間して位置ずれするのを回避し得る範囲の部分であり、開口が当接面二面に渡って形成され、または片方の開口がコンクリート壁の直交部に隣接若しくは僅かに離間する、直交部及びその近傍部分を意味する。 The concrete wall corresponds to a side wall of a building beam, a partition wall, a floor wall of a slab, and the like, and a concrete buried object is installed at a corner where these concrete walls are orthogonal to each other. Here, the “corner portion” is a state in which one contact surface is in contact with and fixed to one mold frame and the other contact surface is separated from the other mold frame in an orthogonal portion of the concrete wall. It is a part of the range where displacement can be avoided, and the opening is formed over the two contact surfaces, or one opening is adjacent to or slightly separated from the orthogonal part of the concrete wall and the vicinity thereof Means part.

コンクリート埋設物の接続部は、コンクリート内に配設された保護管が接続される部位であり、保護管にはケーブル等の配線や電線管、給水管等の配管材が引き込まれる。保護管に引き込まれた配線・配管材は前記接続部から埋設物内に入り込み、更にコンクリート壁面から露出する開口から外部、例えば二重天井の壁裏に引き出される。埋設物のコンクリート型枠に当接する当接面は、前記型枠の直交する二面に当接すべく直交する二面で形成されており、かつ、前記型枠の直交する二面には連続して当接するものとなっている。即ち、当接面の二面は、その間に従来の固定具のような型枠と埋設物との間に存在した空間は存在せず隣接した状態に形成されている。前記開口は、二面の当接面のうちいずれか一方のみに形成してもよく、その双方に形成してもよい。開口を一方の当接面に形成した場合、一般には、他方の当接面は釘打ち等による型枠への固定側となる。また、開口を双方の当接面に形成した場合、両開口は連通したものであってもよいし、独立したものであってもよい。更に、前記開口は当接面の全面に形成されていてもよく、部分的に形成されていてもよい。なお、前記接続部はこれに接続された保護管の内部に引き込まれた配線・配管材が開口から外部に引き出されるのであるから、一般に開口を有する当接面側に設けられる。 The connection part of the concrete buried object is a part to which a protective pipe disposed in the concrete is connected, and a wiring material such as a cable and a piping material such as a wire pipe and a water supply pipe are drawn into the protective pipe. The wiring / pipe material drawn into the protective pipe enters the buried object from the connection portion, and is further drawn out from the opening exposed from the concrete wall surface to the outside, for example, the back of the double ceiling wall. The abutment surface that abuts on the concrete formwork of the buried object is formed by two orthogonal surfaces to contact the two orthogonal surfaces of the moldwork, and is continuous with the two orthogonal surfaces of the moldwork. And abut. That is, the two surfaces of the contact surfaces are formed adjacent to each other without a space existing between the formwork and the embedded object such as a conventional fixture. The opening may be formed on only one of the two contact surfaces, or on both of them. When the opening is formed on one abutment surface, the other abutment surface is generally a fixed side to the mold by nailing or the like. When the openings are formed on both contact surfaces, the openings may be in communication with each other or may be independent. Furthermore, the opening may be formed on the entire surface of the contact surface, or may be formed partially. The connecting portion is generally provided on the contact surface side having the opening since the wiring / pipe material drawn into the inside of the protective tube connected thereto is drawn out from the opening.

請求項１のコンクリート埋設物は、このように構成されており、直交する二面の当接面が互いに連続し、隣接する位置に形成されているので、一方の当接面を釘打ちにより直交する一方の型枠に固定するだけで、他方の当接面に形成した開口を確実に他方の型枠面に密接させた状態に保持、位置決めすることができる。即ち、従来の埋設物の固定具にあっては、直交する一方の型枠への固定部と、腕部の端部に取付けられた埋設物との間に空間を生じており、埋設物が固定具の固定部から遠く離間しているために、腕部が反って端部がぶれて埋設物の開口が型枠から離間し易く、また、強く当接させようとして固定具を固定部側の型枠面に沿う方向に押し付ければ、埋設物がその端部を支点に腕部とともに傾斜して開口が型枠から離間してしまうことがあるところ、請求項１の埋設物は前述のように直交する二面の当接面が隣接位置に形成されているために、そのような不具合を生じない。 The concrete buried object according to claim 1 is configured in this way, and two contact surfaces that are orthogonal to each other are continuous and formed at adjacent positions, so that one of the contact surfaces is orthogonal by nailing. By simply fixing to one mold frame, the opening formed on the other abutment surface can be reliably held and positioned in a state of being in close contact with the other mold frame surface. That is, in the conventional fixture for buried objects, a space is created between the fixed part to one orthogonal mold and the buried object attached to the end of the arm part. Because it is far away from the fixing part of the fixing tool, the arm part is warped and the end part is shaken so that the opening of the embedded object is easily separated from the formwork. If the object is pressed in the direction along the surface of the mold, the embedded object may be inclined together with the arm portion with the end portion as a fulcrum, and the opening may be separated from the mold frame. As described above, since two orthogonal contact surfaces are formed at adjacent positions, such a problem does not occur.

また、二面の当接面のうちのいずれか一方を型枠への固定側とし、これを鉄筋等から離れた型枠上に配置することにより、広いスペースで釘打ち等を行なうことができ、埋設物を型枠に楽に固定することができる。
そして、当接面の二面は連続した位置にあるので、いずれか他方の当接面側に設けた接続部も前記一方の固定側の当接面に近く作業し易い箇所に位置しており、したがって、保護管を前記接続部に楽に作業性良く接続することができる。 In addition, by placing either one of the two contact surfaces on the fixed side to the mold and placing it on the mold away from the reinforcing bars, nailing and the like can be performed in a wide space. The embedded object can be easily fixed to the formwork.
And since the two surfaces of the contact surface are in a continuous position, the connecting portion provided on the other contact surface side is also located near the contact surface on the one fixed side and easy to work. Therefore, the protective tube can be easily connected to the connecting portion with good workability.

更に、請求項１のコンクリート埋設物は、当接面を有する当接部の少なくとも一方に、コンクリート型枠に固定するための固定部材が挿通される挿通孔が形成され、また、接続部は、前記挿通孔が形成された当接部の当接面より反当接面側に突出する位置に反当接面側に向けて形成されている。ここで、前記固定部材は例えば釘、螺子等を挙げることができる。前記挿通孔は予め形成されていてもよく、釘打ちなどの型枠への固定時に形成されるものであってもよい。前記接続部は、挿通孔が形成された当接部の反当接面側に向かうものであればよく、その方向は該当接面に対して垂直方向であっても斜め方向であってもよい。
Further, in the concrete buried object according to claim 1 , an insertion hole through which a fixing member for fixing to the concrete form is inserted is formed in at least one of the contact portions having the contact surface, It is formed toward the anti-contact surface side at a position protruding from the contact surface of the contact portion in which the insertion hole is formed to the anti-contact surface side. Here, examples of the fixing member include a nail and a screw. The insertion hole may be formed in advance or may be formed at the time of fixing to a mold such as nailing. The connecting portion only needs to be directed to the side opposite to the abutting surface of the abutting portion in which the insertion hole is formed, and the direction thereof may be perpendicular or oblique to the corresponding abutting surface. .

請求項２のコンクリート埋設物は、請求項１から接続部の位置に関する事項を除いた構成に加え、固定部材の挿通孔が、一方の当接面に形成されるとともに、開口は、他方の当接面に形成され、前記一方の当接面は、前記他方の当接面の開口の端部から該他方の当接面に直交する方向に延設されている。
In addition to the configuration in which the matters related to the position of the connecting portion are removed from the first aspect , the concrete buried object of the second aspect has an insertion hole for the fixing member formed on one abutment surface, and the opening is on the other side. The one contact surface is formed on a contact surface, and extends from an end of the opening of the other contact surface in a direction perpendicular to the other contact surface.

請求項３のコンクリート埋設物は、接続部が、保護管が接続される接続口が旋回軸に対して所定角度傾斜した状態で旋回可能に設けられている。接続部は、例えば、埋設物の本体への取着部における管軸に対して保護管の接続口における管軸が略く字状に屈曲した形状のコネクタを該本体に取着することによって、旋回可能なものとすることができる。
According to a third aspect of the present invention, the connecting portion is provided so as to be capable of turning in a state where the connection port to which the protective tube is connected is inclined at a predetermined angle with respect to the turning shaft. For example, the connection portion is attached to the main body by a connector having a shape in which the tube shaft at the connection port of the protective tube is bent in a substantially square shape with respect to the tube shaft at the attachment portion to the main body of the embedded object. It can be swivelable.

請求項１の発明は、直交する二面の当接面が互いに連続し、隣接する位置に形成されているので、建物の梁やスラブ等でコンクリート面が直交し、型枠とコンクリートに埋設される鉄筋等との間隔が狭い箇所において、他方の当接面に形成した開口を確実に他方の型枠面に密接させた状態に保持、位置決めすることができ、もって、コンクリート打設時にトロが開口内に侵入するのを確実に防止できる。また、保護管を接続部に楽に作業性良く接続することができる。 In the first aspect of the present invention, since the two orthogonal contact surfaces are continuous with each other and formed at adjacent positions, the concrete surfaces are orthogonal to each other by a beam or slab of the building and embedded in the formwork and concrete. Can be held and positioned in a state where the opening formed on the other abutment surface is in intimate contact with the other formwork surface, so that the toro Intrusion into the opening can be surely prevented. Further, the protective tube can be easily connected to the connecting portion with good workability.

そして、接続部が挿通孔の形成された固定側の当接面の作業し易い空間側に突出する位置に該空間側に向けて形成されているので、梁、スラブ等のコンクリート内部に引き込まれる保護管を楽に作業性良く前記接続部に接続することができる。
And since the connection part is formed toward the space side at a position where the contact surface on the fixed side where the insertion hole is formed protrudes to the space side where it is easy to work, it is drawn into the concrete such as a beam or slab. The protective tube can be easily connected to the connecting portion with good workability.

請求項２の発明は、固定部材の挿通孔が、一方の当接面に形成され、開口は、他方の当接面に形成されており、前記一方の当接面は、前記他方の当接面の開口の端部から該他方の当接面に直交する方向に延設されているから、請求項１と同様の効果を奏する。
According to a second aspect of the present invention, the insertion hole of the fixing member is formed in one contact surface, the opening is formed in the other contact surface, and the one contact surface is the other contact surface. Since it is extended from the edge part of the opening of a surface in the direction orthogonal to this other contact surface, there exists an effect similar to Claim 1 .

請求項３の発明は、接続部の接続口が、旋回軸に対して所定角度傾斜した状態で旋回可能に設けられているから、埋設物の接続部に対して保護管を多方向から引き込んで接続でき、また、それに伴って保護管の急激な屈曲を防止できる。そして、接続部の接続口を保護管の端部開口と対向する向きに合致させることが可能であるから、保護管の接続作業をより楽に行なうことができる。
In the invention of claim 3 , since the connection port of the connection portion is provided so as to be able to turn in a state inclined at a predetermined angle with respect to the turning shaft, the protective tube is drawn into the connection portion of the buried object from multiple directions. It is possible to connect, and accompanying this, it is possible to prevent sudden bending of the protective tube. And since it is possible to match the connection port of a connection part with the direction which opposes the edge part opening of a protective tube, the connection operation | work of a protective tube can be performed more easily.

〈第一実施形態〉
以下、本発明の第一実施形態のコンクリート埋設物を図１乃至図５に基づいて説明する。ここで、図１及び図２は前記埋設物を示し、図３は前記埋設物の型枠への設置例を、図４は別の埋設物を、図５は前記埋設物の形成例を示す。
図１及び図２において、埋設物１は保護カバーとしてコンクリートに埋設されるものであり、建物の梁、スラブ等においてコンクリート壁が直交する角部に埋設される。埋設物１は、保護管としての蛇腹状の波付管Ｐが接続される接続部１１と、波付管Ｐに引き込まれた配線としてのケーブルＣをコンクリート壁面Ｗから引き出すために該コンクリート壁面Ｗから露出する開口３と、直交する第１当接面２２と第２当接面３２との二面で形成されてコンクリート型枠の直交する二面に連続して当接する当接面とを備えている。前記第１当接面２２は直交する一方の第一型枠６１に釘打ちによって固定される第１当接部２１に形成され、前記第２当接面３２は第１当接部２１に隣接する第２当接部３１に形成され、直交する他方の第２型枠６２に当接するとともに、前記開口３が形成されている。埋設物１は、ＡＢＳ等の合成樹脂材により形成されている。以下、各構成部材について詳細に説明する。 <First embodiment>
Hereinafter, the concrete buried object of 1st embodiment of this invention is demonstrated based on FIG. 1 thru | or FIG. Here, FIGS. 1 and 2 show the embedded object, FIG. 3 shows an example of installation of the embedded object on a mold, FIG. 4 shows another embedded object, and FIG. 5 shows an example of formation of the embedded object. .
1 and 2, an embedded object 1 is embedded in concrete as a protective cover, and is embedded in a corner where a concrete wall is orthogonal to a beam, a slab, or the like of a building. The buried object 1 includes a connecting portion 11 to which a bellows-like corrugated pipe P serving as a protective pipe is connected, and a concrete wall surface W for pulling out a cable C serving as a wiring drawn into the corrugated pipe P from the concrete wall surface W. And an abutment surface that is formed by two surfaces of a first abutment surface 22 and a second abutment surface 32 that are orthogonal to each other, and that abuts continuously on the two orthogonal surfaces of the concrete formwork. ing. The first abutment surface 22 is formed on the first abutment portion 21 that is fixed to one orthogonal first mold 61 by nailing, and the second abutment surface 32 is adjacent to the first abutment portion 21. The second abutment portion 31 is formed, abuts against the other second mold frame 62 orthogonal thereto, and the opening 3 is formed. Buried object 1 that is formed of a synthetic resin material such as ABS. Hereinafter, each component will be described in detail.

埋設物１の本体２は、円筒を対角の斜面で切断した一方の分割体の形状をなし、内部はケーブルＣが挿通する空間となっている。
前記接続部１１はコネクタによって形成され、前記本体２の傾斜面２ａに設けられている。接続部１１は、図１(b)に示すように、コネクタ本体１２と締付ナット１３とで構成され、コネクタ本体１２は一端側に波付管Ｐが内部に挿入されて接続される接続口１４を備え、他端側に締付ナット１３の雌ねじと螺合する雄ねじからなる螺着部１５を備えるとともに、螺着部１５の基端側には本体２の傾斜面２ａの取付孔２ｂの周縁と当接する鍔部１６が設けられている。接続部１１はコネクタ本体１２の鍔部１６が締付ナット１３とで本体２の傾斜面２ａを挟持することによって該傾斜面２ａに取付けられている。接続部１１の接続口１４は、その開口３の周縁に複数の弾性係止片１７が周方向に等間隔で内壁に沿って内部側に一体に設けられ、更に、弾性係止片１７の先端には係止爪１８が形成されている。弾性係止片１７は波付管Ｐの端部が接続部１１の接続口１４に押し込まれると、弾性的に外周方向に後退して波付管Ｐの挿入を許容するとともに係止爪１８が波付管Ｐの環状凹部内に係止する。これにより、波付管Ｐは接続口１４に挿入するだけで接続部１１に接続される。 The main body 2 of the buried object 1 has a shape of one divided body obtained by cutting a cylinder with a diagonal slope, and the inside is a space through which the cable C is inserted.
The connecting portion 11 is formed by a connector and is provided on the inclined surface 2 a of the main body 2. As shown in FIG. 1B, the connecting portion 11 is composed of a connector main body 12 and a tightening nut 13, and the connector main body 12 has a connecting port to which a corrugated pipe P is inserted and connected at one end side. 14, and the other end side is provided with a screwed portion 15 made of a male screw screwed with the female screw of the tightening nut 13, and the base end side of the screwed portion 15 is provided with a mounting hole 2 b of the inclined surface 2 a of the main body 2. A collar portion 16 is provided in contact with the peripheral edge. The connecting portion 11 is attached to the inclined surface 2a by the flange portion 16 of the connector main body 12 sandwiching the inclined surface 2a of the main body 2 with the tightening nut 13. The connection port 14 of the connection portion 11 is provided with a plurality of elastic locking pieces 17 at the peripheral edge of the opening 3 integrally provided on the inner side along the inner wall at equal intervals in the circumferential direction. A locking claw 18 is formed on the. When the end of the corrugated tube P is pushed into the connection port 14 of the connecting portion 11, the elastic retaining piece 17 elastically moves backward in the outer peripheral direction to allow the corrugated tube P to be inserted and the retaining claw 18 Lock in the annular recess of the corrugated tube P. As a result, the corrugated pipe P is connected to the connection portion 11 simply by being inserted into the connection port 14.

また、接続部１１は接続口１４が形成された部分が螺着部１５に対して所定角度く字状に折曲している。このため、接続口１４は、締付ナット１３を緩めて回せば旋回軸に対して所定角度傾斜した状態で旋回するいわゆる首振り構造となっていて、所望する向きに位置合わせした後、締付ナット１３を締付けることにより、接続口１４の向きを周方向の任意の角度に設定することができる。なお、図１(b)の二点鎖線で示す接続部１１は実線位置から１８０度反転した状態を示す。 In addition, the connection portion 11 is bent at a predetermined angle with respect to the screwed portion 15 at a portion where the connection port 14 is formed. For this reason, the connection port 14 has a so-called swinging structure that turns in a state inclined by a predetermined angle with respect to the turning axis when the tightening nut 13 is loosened and turned. By tightening the nut 13, the direction of the connection port 14 can be set to an arbitrary angle in the circumferential direction. In addition, the connection part 11 shown with the dashed-two dotted line of FIG.1 (b) shows the state reversed 180 degree | times from the solid line position.

次に、二面が直交する当接面の一方の第１当接面２２は直交する一方の第１型枠６１に当接するとともに、この第１当接面２２を有する第１当接部２１は、全体が略矩形板状に形成され、第１当接面２２と反対側である外部側に向けて複数、図１及び図２においては５個のリブ２３が平行して立設されている。更に、２番目と４番目のリブ２３には固定部材としての釘４が挿通されるボス孔２４が設けられている。ボス孔２４は、図２(d)に示すように、同心に配設された外側円筒部２４ａと内側円筒部２４ｂとで形成され、内側円筒部２４ｂは底部において薄肉の連結部２４ｃによって外側円筒部２４ａに離脱可能に連結されている。したがって、コンクリートを打設した後、図２(e)に示すように、コンクリート壁面Ｗから突出する釘４の先端部をペンチ等の工具を使用して掴持し、下方に引張ることによって、連結部２４ｃが破断し、内側円筒部２４ｂとともに釘４を抜き出すことができる。なお、リブ２３が設けられていることにより、第１当接部２１全体の剛性、強度が増し、形状が安定化して均一な平坦面の第１当接面２２を確保でき、第１当接面２２全体を第１型枠６１に密接させることができる。また、リブ２３はボス孔２４を垂直状態に保持し、これが傾斜したり、倒れたりするのを防止している。 Next, one of the first contact surfaces 22 of the contact surfaces orthogonal to each other is in contact with the first mold frame 61 orthogonal to the first contact portion 21 having the first contact surface 22. Is formed in a substantially rectangular plate shape, and plural ribs 23 in FIG. 1 and FIG. 2 are erected in parallel toward the outer side opposite to the first contact surface 22. Yes. Further, the second and fourth ribs 23 are provided with boss holes 24 through which the nails 4 as fixing members are inserted. As shown in FIG. 2 (d), the boss hole 24 is formed by an outer cylindrical portion 24a and an inner cylindrical portion 24b that are concentrically arranged, and the inner cylindrical portion 24b is formed by an outer cylindrical portion by a thin connecting portion 24c at the bottom. The part 24a is detachably connected. Therefore, after placing the concrete, as shown in FIG. 2 (e), the tip of the nail 4 protruding from the concrete wall W is grasped using a tool such as pliers and pulled downward to connect. The portion 24c is broken, and the nail 4 can be extracted together with the inner cylindrical portion 24b. Since the rib 23 is provided, the rigidity and strength of the entire first contact portion 21 are increased, the shape is stabilized, and a uniform flat first contact surface 22 can be secured. The entire surface 22 can be brought into close contact with the first mold 61. Further, the rib 23 holds the boss hole 24 in a vertical state to prevent the boss hole 24 from being inclined or falling down.

次に、他方の第２当接面３２は、前記第１当接面２２から直交する方向に連続して即ち隣接して形成され、前記第１型枠６１と直交する他方の第２型枠６２に当接するとともに、波付管Ｐに引き込まれたケーブルＣをコンクリート壁面Ｗから引き出すための開口３が形成されている。即ち、第１当接面２２側から言えば、該第１当接面２２は、第２当接面３２の開口３の端部から該第２当接面３２に直交する方向に延設されていることとなる。この第２当接面３２を有する第２当接部３１は、略矩形枠形状をなしており、反ったり捻ったりして変形するのが防止されている。なお、本体２の両側端部における第１当接部２１と第２当接部３１との間には、三角形状の補強リブ２ｃが左右に一対形成されている。これにより、第１当接部２１と第２当接部３１との接合部における剛性、強度が増し、第１当接面２２と第２当接面３２とをより安定した直交状態に維持することができる。 Next, the other second abutment surface 32 is formed continuously or adjacent to the first abutment surface 22 in a direction orthogonal to the first abutment surface 22 and is orthogonal to the first mold frame 61. An opening 3 is formed for contacting the cable C drawn into the corrugated pipe P from the concrete wall surface W. That is, from the first contact surface 22 side, the first contact surface 22 extends from the end of the opening 3 of the second contact surface 32 in a direction perpendicular to the second contact surface 32. Will be. The second contact portion 31 having the second contact surface 32 has a substantially rectangular frame shape and is prevented from being deformed by warping or twisting. A pair of triangular reinforcing ribs 2 c are formed on the left and right sides between the first contact portion 21 and the second contact portion 31 at both end portions of the main body 2. This increases the rigidity and strength at the joint between the first contact portion 21 and the second contact portion 31, and maintains the first contact surface 22 and the second contact surface 32 in a more stable orthogonal state. be able to.

次に、このように構成された第一実施形態の埋設物を例えば図３(a)に示す建物の梁６４の側壁とスラブ６５とが直交する角部６６に埋設し、設置する方法を説明する。なお、図３(a)において、第１型枠６１はスラブ６５を形成するために水平方向に配置され、第２型枠６２は梁６４の側壁を形成するために垂直方向に設置される。
図３(a)に示す梁６４の側壁とスラブ６５とが直交する角部６６に埋設するには、まず、埋設物１の接続部１１の締付ナット１３を緩めつつ、接続口１４の向きをスラブ６５等の形成箇所に配設された波付管Ｐの端部に合致させ、その後、締付ナット１３を締付けて本体２の傾斜面２ａを挟持させ、接続部１１を波付管Ｐの端部に対応する向きに調整し、固定する。次に、第１型枠６１に埋設物１の第１当接面２２を当接し、第２型枠６２に第２当接面３２を当接させ、その状態で、第１当接部２１の２個のボス孔２４に釘４を打ち込み、埋設物１を第１型枠６１に固定する。このとき、第２当接部３１の第２当接面３２は、第１当接部２１の第１当接面２２と直交し、かつ、連続して設けられているので、第２型枠６２に確実に密接する。また、第１当接部２１の上部空間が広いので、楽に釘打ち作業を行なうことができる。その後、波付管Ｐの端部を接続部１１の接続口１４に挿入し接続する。このとき、接続部１１は第１当接部２１の反第１当接面２２側、即ち図３(a)において第１当接部２１の上部側に向けて形成されており、接続部１１の上部には広い空間が形成される。加えて、接続部１１は第１当接部２１の反第１当接面２２側に突出する位置、即ち図３(a)において第１当接面２２と同一高さの平面より上方に形成される。したがって、波付管Ｐの接続作業を楽に行なうことができる。 Next, a description will be given of a method in which the buried object of the first embodiment configured as described above is embedded in, for example, a corner 66 where the side wall of the beam 64 and the slab 65 of the building shown in FIG. To do. In FIG. 3A, the first mold 61 is disposed in the horizontal direction to form the slab 65, and the second mold 62 is installed in the vertical direction to form the side wall of the beam 64.
In order to embed in the corner portion 66 where the side wall of the beam 64 and the slab 65 are orthogonal to each other as shown in FIG. 3A, first, the direction of the connection port 14 is set while loosening the tightening nut 13 of the connection portion 11 of the embedded object 1. Is matched with the end portion of the corrugated pipe P disposed at the formation location of the slab 65 and the like, and then the clamping nut 13 is tightened to sandwich the inclined surface 2a of the main body 2 so that the connecting portion 11 is connected to the corrugated pipe P. Adjust to the direction corresponding to the end of the and fix. Next, the first abutment surface 22 of the embedded object 1 is brought into contact with the first mold 61 and the second abutment surface 32 is brought into contact with the second mold 62. The nail 4 is driven into the two boss holes 24 to fix the buried object 1 to the first mold 61. At this time, the second abutment surface 32 of the second abutment portion 31 is orthogonal to the first abutment surface 22 of the first abutment portion 21 and is continuously provided. Ensure close contact with 62. Further, since the upper space of the first contact portion 21 is wide, the nailing operation can be easily performed. Thereafter, the end portion of the corrugated tube P is inserted into the connection port 14 of the connection portion 11 to be connected. At this time, the connection portion 11 is formed toward the anti-first contact surface 22 side of the first contact portion 21, that is, toward the upper side of the first contact portion 21 in FIG. A wide space is formed on the top of the. In addition, the connecting portion 11 is formed at a position protruding from the first abutting portion 21 to the side opposite to the first abutting surface 22, that is, above the plane having the same height as the first abutting surface 22 in FIG. Is done. Therefore, the connection work of the corrugated pipe P can be performed easily.

埋設物１を型枠に設置したら、次に、型枠内にコンクリートを打設する。このとき、第１当接面２２は釘打ちにより強固に第１型枠６１に固定され、第２当接面３２は安定して第２型枠６２に密接しているので、コンクリートのトロが埋設物１内に侵入するのが確実に防止される。コンクリートが硬化したら、型枠を外し、第１当接部２１に釘打ちされてコンクリート面から突出している釘４をペンチ等の工具で掴持し引張って抜き出す。コンクリートに埋設物１が埋設された後は、開口３が梁６４の側壁から露出するので、波付管Ｐ内に引き込んだケーブルＣを埋設物１内に通し、その開口３から梁６４の側壁外に引き出して二重天井の壁裏等に配線する。 Once the buried object 1 is installed in the formwork, next, concrete is placed in the formwork. At this time, the first abutment surface 22 is firmly fixed to the first mold 61 by nailing, and the second abutment surface 32 is stably in close contact with the second mold 62. Intrusion into the buried object 1 is reliably prevented. When the concrete is hardened, the mold is removed, and the nail 4 nailed by the first abutting portion 21 and protruding from the concrete surface is grasped with a tool such as pliers and pulled out. Since the opening 3 is exposed from the side wall of the beam 64 after the embedded object 1 is embedded in the concrete, the cable C drawn into the corrugated pipe P is passed through the embedded object 1, and the side wall of the beam 64 is passed through the opening 3. Pull it out and wire it behind the double ceiling wall.

次に、第一実施形態の埋設物１の作用を説明する。
埋設物１は、梁６４の側壁とスラブ６５とが直交する角部６６に設置され、直交する第１当接面２２及び第２当接面３２が互いに連続し、隣接する位置に形成されていて、第２当接面３２の開口３も前記角部６６に位置する。ここで、従来の埋設物の固定具は、直交する一方の型枠への固定部と、腕部の端部に取付けられた埋設物との間に空間を生じており、埋設物が固定具の固定部から遠く離間している。このため、埋設物の開口は軽く型枠に当接しているのみで該型枠から離間し易く、また、固定部と腕部との間の角度が９０度より僅かに拡開方向に変化するだけで、腕部の下部に取付けられた埋設物の開口は大きくぶれて型枠から離間することとなる。しかし、本第一実施形態の埋設物１は、上述のように、第２当接面３２が第１当接面２２に極く近い角部６６に位置するため、そのような不具合を生じない。その結果、第２当接面３２の開口３を確実に第２型枠６２面に密接させた状態に保持、位置決めすることができ、コンクリート打設時にトロが開口３内に侵入するのを確実に防止することができる。このことは、開口３が、梁６４の側壁とスラブ６５との直交部に隣接して形成されている場合の他、前記直交部から僅かに離間して形成されている場合も同様である。 Next, the operation of the embedded object 1 of the first embodiment will be described.
The buried object 1 is installed at a corner 66 where the side wall of the beam 64 and the slab 65 are orthogonal to each other, and the first abutting surface 22 and the second abutting surface 32 that are orthogonal to each other are continuous and formed at adjacent positions. Thus, the opening 3 of the second contact surface 32 is also located at the corner portion 66. Here, in the conventional fixture of the embedded object, a space is created between the fixed part to one of the orthogonal molds and the embedded object attached to the end of the arm part, and the embedded object is the fixture. It is far away from the fixed part. For this reason, the opening of the embedded object is only in light contact with the mold frame and easily separated from the mold frame, and the angle between the fixed portion and the arm portion slightly changes in the expanding direction from 90 degrees. As a result, the opening of the embedded object attached to the lower part of the arm part is greatly shaken away from the formwork. However, the embedded object 1 according to the first embodiment does not cause such inconvenience because the second contact surface 32 is located at the corner 66 that is very close to the first contact surface 22 as described above. . As a result, the opening 3 of the second contact surface 32 can be securely held and positioned in close contact with the surface of the second mold 62, and the toro can enter the opening 3 when placing concrete. Can be prevented. This is the same in the case where the opening 3 is formed adjacent to the orthogonal portion between the side wall of the beam 64 and the slab 65, as well as in the case where the opening 3 is formed slightly spaced from the orthogonal portion.

また、第２当接面３２は第１当接面２２に連続し極く近い位置にあるので、第２当接部３１に設けた接続部１１も第１当接部２１と同様の広く作業し易い箇所に位置しており、したがって、波付管Ｐを接続部１１に楽に作業性良く接続することができる。 In addition, since the second contact surface 32 is located at a position that is continuous and very close to the first contact surface 22, the connection portion 11 provided in the second contact portion 31 is also operated in the same manner as the first contact portion 21. Therefore, the corrugated pipe P can be easily connected to the connecting portion 11 with good workability.

ところで、上記実施形態の埋設物１は、図３(a)に示す場合、第１当接面２２を第１型枠６１に、第２当接面３２を第２型枠６２に当接させているが、第２型枠６２と鉄筋６３との間隙の大きさなどによっては、第１当接面２２を第２型枠６２に、第２当接面３２を第１型枠６１に当接させ、接続部１１の接続口１４が図３(a)の右方向に向く状態で型枠に設置することも可能である。即ち、第一実施形態の埋設物１は、本来、型枠と鉄筋６３との間などの狭いスペースに配設され、図３(a)に示すような向きで型枠に設置されるのであるが、波付管Ｐの布設方向等に応じて型枠への設置向きを任意に選択して設置することも可能である。
また、この埋設物１は、釘４を第１当接部２１に打ち込んで型枠に固定しているが、第２当接部３１にも打ち込んで固定することも可能である。 By the way, as shown in FIG. 3A, the embedded object 1 of the above embodiment has the first contact surface 22 in contact with the first mold 61 and the second contact surface 32 in contact with the second mold 62. However, depending on the size of the gap between the second mold 62 and the reinforcing bar 63, the first abutment surface 22 is in contact with the second mold 62, and the second abutment surface 32 is in contact with the first mold 61. It is also possible to place it in the mold with the connection port 14 of the connection portion 11 facing rightward in FIG. That is, the embedded object 1 of the first embodiment is originally disposed in a narrow space such as between the mold frame and the reinforcing bar 63 and is installed in the mold frame in the direction as shown in FIG. However, it is also possible to arbitrarily select the installation direction on the mold according to the laying direction of the corrugated pipe P or the like.
Further, the embedded object 1 is driven by the nail 4 into the first contact portion 21 and fixed to the mold frame, but can also be driven into the second contact portion 31 and fixed.

第一実施形態の埋設物１は、他に、例えば、図３(b)に示すように、コンクリートの側壁とスラブ６５とが直交している狭い角部に埋設し、設置することもできる。図３(b)において、埋設物１の第１当接面２２は水平方向の第１型枠６１に、第２当接面３２は垂直方向の第２型枠６２に当接させており、側壁内を上方から垂下する波付管Ｐ或いはスラブ６５内を挿通する波付管Ｐを接続部１１に接続することができる。なお、この図３(b)の場合においても、第１当接面２２を垂直の第２型枠６２に当接させ、第２当接面３２を水平の第１型枠６１に当接させるとともに第２当接部３１に釘打ちして型枠に固定することも可能である。この場合、接続部１１の接続口１４は図３(b)の左方向を向き、これに側壁内を上方に向けて配設されてきた波付管Ｐを接続することも可能である。 In addition, for example, as shown in FIG. 3 (b), the embedded object 1 of the first embodiment can be embedded and installed in a narrow corner where the concrete side wall and the slab 65 are orthogonal to each other. In FIG. 3 (b), the first contact surface 22 of the buried object 1 is in contact with the first mold 61 in the horizontal direction, and the second contact surface 32 is in contact with the second mold frame 62 in the vertical direction. The corrugated pipe P that hangs down from the upper side of the side wall or the corrugated pipe P that passes through the slab 65 can be connected to the connecting portion 11. In the case of FIG. 3B as well, the first contact surface 22 is brought into contact with the vertical second mold 62 and the second contact surface 32 is brought into contact with the horizontal first mold 61. At the same time, it is possible to nail the second contact portion 31 and fix it to the mold. In this case, it is possible to connect the corrugated pipe P which has been arranged with the connection port 14 of the connection portion 11 facing leftward in FIG.

なお、第一実施形態の埋設物１は、接続部１１を別体のコネクタで形成し、いわゆる首振り機構としているが、接続部１１を一定向きに固定したものとしてもよい。
また、接続部１１を一定向きに固定した場合は、図４に示すように、接続部１１を本体２と一体に形成することもできる。図４では、本体２は接続部１１側が垂直面に形成され、接続部１１の接続口１４は一定の水平方向を向いており、波付管Ｐの接続端部は水平方向から前記実施形態と同様にして接続口１４に差し込んで接続することができる。第２当接部３１は平板状に形成されている。ここで、本体２の接続部１１側の面は垂直でなく傾斜面に形成してもよいし、接続部１１の接続口１４は水平方向でなく斜め上方向或いは真上方向等に固定してもよいことは言うまでもない。このように本体２と接続口１１とを一体に形成し、埋設物１全体を一体構造とした場合は、接続部１１の向きは一定方向に固定されるものの、樹脂の一体成形により埋設物１を安価に形成でき、部品管理も楽になる。
加えて、接続部１１は、本体２の傾斜面２ａに設けているが、他の、例えば、本体２の上部などに設けてもよい。但し、接続部１１は、本体２の傾斜面２ａに設けられていると、第１当接部２１の反第１当接面２２側即ち該第１当接面２２と同一高さの平面より上方に突出するため、波付管Ｐの接続作業を楽に行なうことができる。 In addition, although the embedded object 1 of 1st embodiment forms the connection part 11 with a separate connector, and is using what is called a swing mechanism, it is good also as what fixed the connection part 11 to fixed direction.
Moreover, when the connection part 11 is fixed to a fixed direction, the connection part 11 can also be integrally formed with the main body 2, as shown in FIG. In FIG. 4, the main body 2 is formed with a vertical surface on the connection portion 11 side, the connection port 14 of the connection portion 11 faces a certain horizontal direction, and the connection end portion of the corrugated pipe P extends from the horizontal direction as in the above embodiment. Similarly, it can be connected by being inserted into the connection port 14. The second contact portion 31 is formed in a flat plate shape. Here, the surface on the connection part 11 side of the main body 2 may be formed in an inclined surface instead of being vertical, and the connection port 14 of the connection part 11 is fixed not in the horizontal direction but obliquely upward or directly above. Needless to say. In this way, when the main body 2 and the connection port 11 are integrally formed and the entire embedded object 1 has an integrated structure, the direction of the connecting part 11 is fixed in a fixed direction, but the embedded object 1 is formed by integral molding of resin. Can be formed at low cost and parts management becomes easy.
In addition, the connecting portion 11 is provided on the inclined surface 2 a of the main body 2, but may be provided on another upper portion of the main body 2, for example. However, when the connecting portion 11 is provided on the inclined surface 2 a of the main body 2, the first abutting portion 21 is on the side opposite to the first abutting surface 22, that is, from a plane having the same height as the first abutting surface 22. Since it protrudes upward, the connection work of the corrugated pipe P can be performed easily.

また、埋設物１は、図５に示すように、本体２と第２当接部３１との間、或いは図示しないが、第１当接部２１と第２当接部３１との間等において２分割或いは３分割などとした別体構造とすることもできる。但し、第１当接部２１と第２当接部３１との間は直角度を確保するため、一体に形成するのが望ましい。
なお、埋設物１を一体構造や別体構造とする点については、以下の各実施形態において同様である。 Further, as shown in FIG. 5, the buried object 1 is disposed between the main body 2 and the second contact portion 31, or between the first contact portion 21 and the second contact portion 31, although not illustrated. A separate structure such as two or three divisions can also be used. However, it is desirable that the first contact portion 21 and the second contact portion 31 are integrally formed to ensure a squareness.
In addition, about the point which makes the embedded thing 1 an integral structure or a separate structure, it is the same in each following embodiment.

更に、本体２は円筒を対角の斜面で切断した一方の分割体の形状に形成されているが、この形状に限られるものではなく、ボックスなどの形状に形成することもできる。
そして、釘４が挿通する挿通孔は、２個のボス孔２４で形成されているが、埋設物１は、第２当接面３２の両側部が第２型枠６２に当接し、側方への回動を規制されるので、第１当接部２１の中央部に１個のボス孔２４のみを設けることも可能である。また、挿通孔は、ボス孔２４ではなく、単に板部に貫通孔を設けたものとすることもできる。 Furthermore, the main body 2 is formed in the shape of one divided body obtained by cutting a cylinder with a diagonal slope, but is not limited to this shape, and may be formed in the shape of a box or the like.
The insertion hole through which the nail 4 is inserted is formed by two boss holes 24, but the embedded object 1 has both sides of the second contact surface 32 in contact with the second formwork 62, and the side Therefore, it is possible to provide only one boss hole 24 at the center of the first contact portion 21. Further, the insertion hole may be simply a through hole provided in the plate portion instead of the boss hole 24.

〈第二実施形態〉
次に、本発明の第二実施形態のコンクリート埋設物４１を図６に基づいて説明する。
図６において、埋設物４１は、第一実施形態の埋設物１と同様に、保護カバーとしてコンクリートに埋設されるものであり、建物の梁、スラブ等においてコンクリート壁が直交する角部に埋設され、設置される。埋設物４１は、左右対称に形成され、波付管Ｐが接続される接続部１１と、波付管Ｐに引き込まれたケーブルＣをコンクリート壁面Ｗから引き出すために該コンクリート壁面Ｗから露出する開口と、直交する第１当接面２２と第２当接面３２との二面で形成されてコンクリート型枠の直交する二面に連続して当接する当接面とを備えている。この埋設物４１は、ＡＢＳ等の合成樹脂材により一体に形成されている。 <Second embodiment>
Next, the concrete embedded object 41 of the second embodiment of the present invention will be described with reference to FIG.
In FIG. 6, an embedded object 41 is embedded in concrete as a protective cover in the same manner as the embedded object 1 of the first embodiment, and is embedded in a corner where a concrete wall is orthogonal to a beam, a slab, or the like of a building. Installed. The buried object 41 is formed symmetrically, and is an opening that is exposed from the concrete wall surface W in order to draw the cable C drawn into the corrugated pipe P from the connection wall 11 and the corrugated pipe P. And an abutting surface that is formed by two surfaces, ie, a first abutting surface 22 and a second abutting surface 32 that are orthogonal to each other and that continuously abuts on the two orthogonal surfaces of the concrete mold. The embedded object 41 is integrally formed of a synthetic resin material such as ABS.

前記第１当接面２２を有する第一当接部２１と第２当接面３２を有する第２当接部３１とは同形状をなし、それぞれ矩形板状に形成されている。
前記接続部１１は、管状に形成され、第１当接部２１と第２当接部３１との屈曲部にこれら当接部と４５度の角度をなす方向に延設されている。接続部１１は周壁の１８０度異なる相対向する２箇所に、接続口１４の開口の周縁側を基端にコ字状に切欠形成され、基端を中心に弾性的に半径方向に拡開する弾性係止片４２が１対形成されている。そして、弾性係止片４２の自由端の内面には波付管Ｐの環状凹部に弾性的に係止する係止爪４３が形成されている。また、一対の弾性係止片４２，４２の外面側には外方に引張ることによって波付管Ｐと係止爪４３との係止を解除する解除摘み片４４が形成されている。
コンクリート壁面Ｗから露出する開口は、管状の接続部１１の内部空間が反接続口１４側に延びそのまま貫通するようにして第１当接部２１及び第２当接部３１に設けられており、第１当接面２２及び第２当接面３２にそれぞれ略半円状の開口３ａ及び開口３ｂが設けられている。第１当接面２２の開口３ａと第２当接面３２の開口３ｂとは連通し、１個の略円形状の開口となって両当接部に跨って形成されている。第１当接部２１及び第２当接部３１にはそれぞれ釘４が挿通する挿通孔４５が形成されている。 The first contact portion 21 having the first contact surface 22 and the second contact portion 31 having the second contact surface 32 have the same shape and are each formed in a rectangular plate shape.
The connection portion 11 is formed in a tubular shape, and is extended at a bent portion between the first contact portion 21 and the second contact portion 31 in a direction that forms an angle of 45 degrees with these contact portions. The connecting portion 11 is formed in a U-shaped notch in two opposite positions on the peripheral wall at the base end of the opening of the connection port 14 and elastically expands in the radial direction around the base end. A pair of elastic locking pieces 42 are formed. A locking claw 43 is formed on the inner surface of the free end of the elastic locking piece 42 to be elastically locked to the annular recess of the corrugated tube P. Further, a release knob 44 is formed on the outer surface side of the pair of elastic locking pieces 42, 42 to release the locking between the corrugated tube P and the locking claw 43 by pulling outward.
The opening exposed from the concrete wall surface W is provided in the first contact part 21 and the second contact part 31 so that the internal space of the tubular connection part 11 extends to the anti-connection port 14 side and penetrates as it is, The first contact surface 22 and the second contact surface 32 are provided with substantially semicircular openings 3a and 3b, respectively. The opening 3a of the first contact surface 22 and the opening 3b of the second contact surface 32 communicate with each other to form one substantially circular opening and straddle both contact portions. An insertion hole 45 through which the nail 4 is inserted is formed in each of the first contact portion 21 and the second contact portion 31.

このように形成された埋設物４１は、第一実施形態の埋設物１が、第２当接面３２のみに開口３が形成されているのに対し、両当接面に形成されている点で相違する。したがって、基本的には、第一実施形態の埋設物１と同様に型枠に設置され、同様の作用効果を奏する。但し、開口が第１当接面２２及び第２当接面３２の双方に設けられているので、コンクリートを打設した後、直交する二面のコンクリート壁面Ｗそれぞれに開口が露出し、波付管Ｐ内に引き込まれたケーブルＣは埋設物４１内を挿通させた後、二面のコンクリート壁のいずれの開口からも引き出すことができる。そのため、ケーブルＣをより緩やかな曲線を描いて二重天井の壁裏の任意方向に引き出すことができ、コーナー部等で急激に屈曲し強く擦られたりしてケーブルＣの周壁が傷付いたりするのを防止できる。また、左右対称に形成されているので、型枠に対していずれの当接面を当接させてもよく、したがって、埋設物４１の設置向きを間違えることがなく、型枠への設置の作業性が向上する。 The buried object 41 formed in this way is that the buried object 1 of the first embodiment is formed on both contact surfaces, whereas the opening 3 is formed only on the second contact surface 32. Is different. Therefore, it is basically installed in the mold like the buried object 1 of the first embodiment, and has the same effects. However, since the openings are provided on both the first contact surface 22 and the second contact surface 32, after placing the concrete, the openings are exposed on each of the two concrete wall surfaces W orthogonal to each other. The cable C drawn into the pipe P can be pulled out from any opening of the two concrete walls after being inserted through the buried object 41. Therefore, the cable C can be drawn out in an arbitrary direction behind the wall of the double ceiling by drawing a gentler curve, and the peripheral wall of the cable C may be damaged due to abrupt bending and strong rubbing at a corner or the like. Can be prevented. Moreover, since it is formed symmetrically, any abutment surface may be brought into contact with the mold, so that the installation direction of the embedded object 41 is not mistaken and the installation work on the mold is not made. Improves.

この埋設物４１は、例えば、図３(c)に示すようにして、梁６４の側壁とスラブ６５とが直交する角部６６において第１型枠６１と第２型枠６２とに跨って設置することができる。
なお、接続部１１はコ字状に切欠形成されてなる弾性係止片４２に代えて、例えば、第一実施形態の埋設物１の接続部１１と同様に、開口の周縁全体に間隔をおいて複数の弾性係止片を形成したものとすることもできる。 For example, as shown in FIG. 3 (c), the embedded object 41 is installed across the first mold frame 61 and the second mold frame 62 at a corner portion 66 where the side wall of the beam 64 and the slab 65 are orthogonal to each other. can do.
In addition, instead of the elastic locking piece 42 formed by cutting out the U-shaped connection portion 11, for example, as with the connection portion 11 of the embedded object 1 of the first embodiment, the entire periphery of the opening is spaced. It is also possible to form a plurality of elastic locking pieces.

〈その他〉
本発明の埋設物は、図７に示したように、接続部１１を２個設けたものとすることもできる。図７において、埋設物５１は、第１当接部２１に釘打ち用の挿通孔５２を有し、第２当接部３１の第２当接面３２に開口３が形成されているとともに、両端部それぞれに外方に向けた接続部１１が設けられている。したがって、この埋設物５１は、２方向から引き込まれてきた波付管Ｐを両接続部１１に接続することができる。また、この埋設物５１は、当初いずれか一方の接続口１４に波付管Ｐを接続した後、他方の接続口１４にも波付管Ｐを接続して増設したり、波付管Ｐの接続位置を反対側に変更したりするときに便利である。 <Others>
As shown in FIG. 7, the embedded object of the present invention may be provided with two connection portions 11. In FIG. 7, the embedded object 51 has a nail driving insertion hole 52 in the first contact portion 21, the opening 3 is formed in the second contact surface 32 of the second contact portion 31, and A connecting portion 11 facing outward is provided at each end. Therefore, the buried object 51 can connect the corrugated pipe P drawn from two directions to both the connecting portions 11. Further, the buried object 51 is initially connected to either one of the connection ports 14 and then connected to the other connection port 14 by connecting the corrugated tube P, or the corrugated tube P This is convenient when changing the connection position to the opposite side.

更に、本発明の埋設物は、側部において複数の埋設物を横方向に連結して一体化したものとすることもできる。この場合、複数の波付管Ｐを１箇所に集中して引き込み、その後、コンクリート壁外に分散して引き出したりすることができる。 Furthermore, the embedded object of the present invention can be integrated by connecting a plurality of embedded objects in the lateral direction at the side portion. In this case, a plurality of corrugated pipes P can be concentrated and drawn in one place, and then distributed outside the concrete wall.

ところで、コンクリート壁面ＷからケーブルＣを引き出すために該コンクリート壁面Ｗから露出する開口は、いずれか一方の当接面のみでなく、第二実施形態の埋設物４１の開口のように、第１当接面２２及び第２当接面３２のそれぞれに形成することもできるが、その場合、各開口は、第二実施形態のように連通するものでなく、互いに独立したものに形成することもできる。
また、上記実施形態において、接続部１１は、１個または２個設けているが、３個以上設けてもよい。 By the way, the opening exposed from the concrete wall surface W to pull out the cable C from the concrete wall surface W is not only one of the contact surfaces, but also the first contact such as the opening of the embedded object 41 of the second embodiment. Although it can also be formed in each of the contact surface 22 and the 2nd contact surface 32, in that case, each opening can also be formed in the thing independent from each other like 2nd embodiment. .
Moreover, in the said embodiment, although the one or two connection parts 11 are provided, you may provide three or more.

なお、上記各実施形態では、釘打ち用のボス孔２４に薄肉の連結部２４ｃを設けて、コンクリート打設後、コンクリート壁面Ｗから突出する釘４を引き抜くものとしているが、コンクリート壁面Ｗから突出する釘４をペンチ等の工具で掴持して左右に動かしながら折り取ったり、切断工具で突出部を切断して除去することもできる。 In each of the above embodiments, the thin connecting portion 24c is provided in the nail driving boss hole 24 and the nail 4 protruding from the concrete wall surface W is pulled out after the concrete is placed. The nail 4 to be gripped can be grasped with a tool such as pliers and moved to the left or right, or can be removed by cutting the protruding portion with a cutting tool.

また、上記各実施形態では、接続部１１は外周壁に凹凸を有する蛇腹状の波付管Ｐを接続しているが、他に、外周壁に凹凸を有しない外周面が平滑な直状の管体などを接続することもできる。直状の管体の場合は、接続部１１に接着、嵌合などの手段によって接続することができる。更に、保護管の内部には、ケーブルＣの他、信号線等の電線や、給水管、給湯管等の配管材を引き込むことができる。 Moreover, in each said embodiment, although the connection part 11 has connected the bellows-like corrugated pipe P which has an unevenness | corrugation to an outer peripheral wall, in addition, the outer peripheral surface which does not have an unevenness | corrugation in an outer peripheral wall is a smooth straight shape. Tubes can also be connected. In the case of a straight tubular body, it can be connected to the connecting portion 11 by means such as adhesion and fitting. Furthermore, in addition to the cable C, electric wires such as signal lines and piping materials such as water supply pipes and hot water supply pipes can be drawn into the protective pipe.

本発明の第一実施形態のコンクリート埋設物を示し、(a)はその斜視図、(b)は縦断面図である。The concrete embedded object of 1st embodiment of this invention is shown, (a) is the perspective view, (b) is a longitudinal cross-sectional view. 図１の埋設物を示し、(a)は平面図、(b)は正面図、(c)は左側面図、(d)はボス孔の拡大断面図、(e)はボス孔から釘を引き出す状態を示す拡大断面図である。1 shows the buried object of FIG. 1, (a) is a plan view, (b) is a front view, (c) is a left side view, (d) is an enlarged sectional view of a boss hole, and (e) is a nail from the boss hole. It is an expanded sectional view showing the state where it pulls out. 本発明の埋設物を型枠に設置する形態を示す。The form which installs the embedded thing of this invention in a formwork is shown. 本発明の第一実施形態の別のコンクリート埋設物を示し、(a)はその斜視図、(b)は平面図、(c)は左側面図、(d)は正面図である。The other concrete embedding object of 1st embodiment of this invention is shown, (a) is the perspective view, (b) is a top view, (c) is a left view, (d) is a front view. 図１の埋設物の構造例を示す分解正面図である。It is a disassembled front view which shows the structural example of the embedded thing of FIG. 本発明の第二実施形態のコンクリート埋設物を示し、(a)は斜視図、(b)は平面図、(c)は左側面図、(d)は正面図、(e)は右側面図、(f)は底面図である。The concrete embedded object of the second embodiment of the present invention is shown, (a) is a perspective view, (b) is a plan view, (c) is a left side view, (d) is a front view, (e) is a right side view. (F) is a bottom view. 本発明の別の実施形態のコンクリート埋設物を示す正面図である。It is a front view which shows the concrete buried thing of another embodiment of this invention. 従来の埋設物の固定具を示す。A conventional fixture for buried objects is shown. 従来の埋設物の固定具を使用してコンクリートを打設した後の状態を示す断面図である。It is sectional drawing which shows the state after placing concrete using the fixing tool of the conventional buried thing.

Explanation of symbols

１、４１、５１埋設物
３、３ａ、３ｂ開口
４釘
１１接続部
２２第１当接面
２４ボス孔
３２第２当接面
６１第１型枠
６２第２型枠
６４梁
６５スラブ
６６角部
Ｃケーブル
Ｐ波付管
Ｗコンクリート壁面 DESCRIPTION OF SYMBOLS 1, 41, 51 Embedded object 3, 3a, 3b Opening 4 Nail 11 Connection part 22 1st contact surface 24 Boss hole 32 2nd contact surface 61 1st mold frame 62 2nd mold frame 64 Beam 65 Slab 66 Corner | angular part C cable P corrugated pipe W concrete wall

Claims

It is fixed to a concrete form forming an orthogonal concrete wall, embedded in concrete and installed in the corner of the concrete wall,
A connecting portion to which a protective pipe is connected, an opening exposed from the concrete wall surface for drawing out the wiring / pipe material drawn into the protective pipe from the concrete wall surface, and two orthogonal surfaces, A contact surface that continuously contacts two orthogonal surfaces;
The contact surfaces formed by the two orthogonal surfaces are integrally formed of a synthetic resin material,
The opening is formed on at least one surface of the contact surface ,
An insertion hole through which a fixing member for fixing to the concrete mold is inserted is formed in at least one of the contact portions having the contact surface,
The concrete embedment according to claim 1, wherein the connection portion is formed toward the anti-contact surface side at a position protruding from the contact surface of the contact portion in which the insertion hole is formed to the anti-contact surface side .

It is fixed to a concrete form forming an orthogonal concrete wall, embedded in concrete and installed in the corner of the concrete wall,
A connecting portion to which a protective pipe is connected, an opening exposed from the concrete wall surface for drawing out the wiring / pipe material drawn into the protective pipe from the concrete wall surface, and two orthogonal surfaces, A contact surface that continuously contacts two orthogonal surfaces;
The contact surfaces formed by the two orthogonal surfaces are integrally formed of a synthetic resin material,
One of the contact surface, the is insertion hole fixing member for fixing the concrete form is inserted is formed Rutotomoni, the opening is formed in the other of the abutment surface,
The one abutment surface extends from the end of the opening of the other abutment surface in a direction perpendicular to the other abutment surface,
The connecting portion features and to Turkey Nkurito buried object that has been formed toward the counter-contact surface side of the abutment portion having an abutment surface of the one.

3. The concrete embedded according to claim 1 , wherein the connection portion is provided so as to be capable of turning in a state in which a connection port to which the protective tube is connected is inclined at a predetermined angle with respect to a turning shaft . .