JP2004350431A - Ground buried box and supporting structure for wiring/piping material in ground buried box, and supporting device - Google Patents

Ground buried box and supporting structure for wiring/piping material in ground buried box, and supporting device Download PDF

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JP2004350431A
JP2004350431A JP2003145579A JP2003145579A JP2004350431A JP 2004350431 A JP2004350431 A JP 2004350431A JP 2003145579 A JP2003145579 A JP 2003145579A JP 2003145579 A JP2003145579 A JP 2003145579A JP 2004350431 A JP2004350431 A JP 2004350431A
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box
wiring
box body
support
underground
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JP2003145579A
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JP4125632B2 (en
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Shinya Tani
真也 谷
Yusuke Kitamura
祐介 北村
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Mirai Industry Co Ltd
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Mirai Industry Co Ltd
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  • Laying Of Electric Cables Or Lines Outside (AREA)
  • Supports For Pipes And Cables (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To secure a stable supporting state by making supporting heights of wiring/piping materials adjustable so as to be stepless in a ground buried box by an extremely simple constitution, and to stably support even bent wiring in the ground buried box by making free the adjustment of a supporting member in the extension direction to the side. <P>SOLUTION: A cable K<SB>1</SB>(wiring/piping material) drawn into a box body 10 of the ground buried box B is supported in the box body 10, a nut body 14 (installation part) is formed at the bottom wall 12 of the box body 10 with its upper opening 1 upward, the lower end of a male screw rod R (supporting rod body) is screwed to the nut body 14 and arranged in the box body 10 so as to vertically upstand, the cable K<SB>1</SB>drawn into the box body 10 is supported by a supporting tool S<SB>1</SB>extended to the side from the male screw rod R in the upstanding state, and the supporting tool S<SB>1</SB>is engaged and fixed to the male screw rod R so as to be adjustable in height in order to be capable of supporting the cable K<SB>1</SB>at a proper height. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

【0001】
【発明の属する技術分野】
本発明は、地中埋設ケーブル、地中埋設管等の配線・配管材を中継接続する場合等に地中埋設して使用される地中埋設箱、並びに地中埋設箱内における配線・配管材の支持構造、及び支持装置に関するものである。
【0002】
【従来の技術】
上記した地中埋設箱においては、その箱本体内において配線・配管材が収容されるため、この配線・配管材が底壁部に垂れ下がるのを阻止して配線・配管材を保護すべく、何らかの部材に吊り下げて支持させる必要がある。この目的に使用される支持装置として、地中埋設箱内に、高さ方向に段階的に多数の取付孔が形成された立設体を立設させ、該取付孔に取付けられて該立設体から側方に延設された支持部材により、箱本体内で配線・配管材を支持するものがある(例えば、特許文献1参照)。
【0003】
ここで、箱本体内に引き込まれた配線・配管材を支持すべき高さは、箱本体の周壁部に穿設される引込孔の高さ位置によって異なり、この引込孔は施工現場にて適宜穿設されるものであり、また、配線・配管材の太さや本数により、穿設位置、大きさ、数も種々異なるため、全く特定できないことが多い。
【0004】
しかし、上記した従来の支持装置では、配線・配管材の支持高さは、立設体の取付孔の形成位置に対応した段階的な調整しか行えず、自在な高さ調整ができないために、支持状態が不安定であった。
【0005】
また、従来の支持装置では、立設体の側方への支持部材の延設方向も、取付孔の位置に対応した方向に制限されていた。このため、箱本体内で配線・配管材を屈曲配線等させる際には、支持部材を屈曲方向に対応した最適な方向に延設できず、この点においても、配線・配管材の支持状態が不安定であった。
【0006】
【発明が解決しようとする課題】
本発明の課題は、極めて簡単な構成により、地中埋設箱内で配線・配管材の支持高さを無段階に調整可能にして、安定した支持状態を確保すると共に、支持部材の側方への延設方向の調整も自在にして、地中埋設箱内での屈曲配線も安定して支持できるようにすることである。
【0007】
【課題を解決するための手段】
上記の課題を解決するための請求項1の発明は、地中埋設箱の箱本体内に引き込まれた配線・配管材を前記箱本体内で支持する構造であって、前記箱本体の底壁部に取付部が上面開口に向けて形成され、前記取付部に支持棒体の下端部が取付けられて前記箱本体内で上下方向に立設され、立設状態の支持棒体から側方に延設された支持具により、前記箱本体内に引き込まれた配線・配管材が支持され、前記支持具は、前記配線・配管材を適宜高さで支持可能とすべく、前記支持棒体に無段階又はほぼ無端段階に高さ調整自在に係合して取付けられることを特徴としている。
【0008】
請求項1の発明によれば、箱本体の底壁部にその上面開口に向けて形成された取付部に支持棒体の下端部を取付けると、箱本体の底壁部に支持棒体が立設され、支持棒体には、箱本体内に引き込まれた配線・配管材を支持させる支持具が、無段階又はほぼ無段階に高さ調整自在に係合される。このため、配線・配管材の太さや本数により、箱本体の側壁部に穿孔する引込孔の位置、大きさ、数が変化して、箱本体内に収容される配線・配管材の余長部に変化が生じても、支持棒体に対して支持具を前記余長部に対応した最適の高さ位置に係合させられて、箱本体内における配線・配管材の支持状態が安定化する。また、支持棒体に対して支持具が係合される構成であるので、支持棒体に対する支持具の延設方向(配置方向)も自在に調整できるため、箱本体内における配線・配管材の屈曲配線等も可能となり、上記した配線・配管材の支持高さの調整が可能となることと相俟って、配線・配管材を一層安定化した状態で支持できる。
【0009】
また、請求項2の発明は、請求項1の発明において、前記取付部は、雌ねじ部であることを特徴としている。このため、箱本体の底壁部に対する支持棒体の取付けが簡単となって、箱本体内における配線・配管材の配線・配管作業が容易となる。
【0010】
また、請求項3の発明は、請求項1又は2の発明において、前記支持棒体は雄ねじ棒であることを特徴としている。請求項3の発明によれば、支持具の高さ位置、及び配置方向の調整が極めて容易で、しかも容易に入手可能な雄ねじ棒を支持棒体としているために、請求項1又は2の発明の作用効果を確実に実現できる。
【0011】
請求項4の発明は、上面が開口した有底の箱本体を備えた地中埋設箱であって、前記箱本体内に引き込まれた配線・配管材を支持具を介して支持するための支持棒体を前記箱本体内で上下に立設可能とすべく、前記支持棒体を螺着可能な雌ねじ部が前記上面開口に向けて自身の底壁部に形成されていることを特徴としている。請求項4の発明は、請求項2の発明を「地中埋設箱」の観点から把握したものであって、その作用効果は、請求項2のそれと実質的に同一である。
【0012】
また、請求項5の発明は、請求項4の発明において、前記支持棒体は、雄ねじ棒であることを特徴としており、請求項3の発明と同一の作用効果が奏される。
【0013】
請求項6の発明は、請求項4又は5の発明において、前記箱本体には、内部に引き込まれた配線・配管材を仕切板により区画して収容可能とすべく、前記仕切板を係止させるための仕切板係止部が形成され、前記雌ねじ部は、前記仕切板により分割された複数の収容空間に前記支持棒体が各々立設可能なように、分割された各収容空間の底壁部にそれぞれ少なくとも一つは形成されていることを特徴としている。
【0014】
また、請求項6の発明によれば、箱本体内を仕切板により縦横いずれの方向に分割しても、分割された各収容空間の底壁部には、一つ以上の雌ねじ部が形成されている。このため、箱本体内の収容空間を仕切板により縦横いずれの方向に分割しても、各分割収容空間にそれぞれ配線・配管材を支持する支持棒体を立設させられて、箱本体内を仕切板により縦横いずれの方向に区画しても、区画収容された各収容空間において配線・配管材を支持棒体に支持できて、配線・配管材の区画収容に対応可能となる。
【0015】
請求項7の発明は、請求項6の発明において、前記雌ねじ部は、内部の収容空間を二分割する仕切板が縦横のいずれの方向に配置されても、分割された各収容空間の底壁部に配置されるように、底壁部の中心に対して略対称で、しかも略対角線方向に沿って偶数個形成されていることを特徴としている。請求項7の発明によれば、箱本体の底壁部に形成された同一の雌ねじ部を、異なる分割態様の二つの収容空間に共用できるため、箱本体の底壁部に形成する雌ねじ部の数を最少限にできる。
【0016】
また、請求項8の発明は、地中埋設箱の箱本体内に引き込まれた配線・配管材を前記箱本体内で支持する装置であって、請求項4に記載の地中埋設箱と、該地中埋設箱を構成する箱本体の底壁部に形成された雌ねじ部に螺着されて、前記箱本体内に立設される支持棒体と、前記箱本体内に引き込まれた配線・配管材を適宜高さで支持するために前記支持棒体に高さ調整自在に係合される支持具とを備えていることを特徴としている。
【0017】
請求項8の発明は、請求項2の発明を「地中埋設箱内における配線・配管材の支持装置」の観点から把握したものであって、その作用効果は、請求項2のそれと実質的に同一である。
【0018】
【発明の実施の形態】
以下、実施形態を挙げて、本発明について更に詳細に説明する。図1は、仕切板Pで内部の収容空間2が二つに仕切られた本発明に係る地中埋設箱Bの箱本体10と、この箱本体10の上面開口1を閉塞する蓋体Dとの分解斜視図であり、図2は、箱本体10と、その内部を仕切る仕切板Pと、雄ねじ棒Rと、支持具Sとの分解斜視図であり、図3は、各分割収容空間2a,2bにそれぞれ異なるケーブルK,Kが配線された状態の平面図であり、図4は、図3のX−X線断面図であり、図5は、図3のX−X線断面図であり、図6は、箱本体10の底壁部12の平面図であり、図7は、図6のY−Y線の拡大断面図である。
【0019】
図1において、地中埋設箱Bは、有底の四角形の箱本体10と、該箱本体10の上面開口1(図5参照)を閉塞する蓋体Dとで構成され、前記箱本体10の内部の収容空間2は、1枚の仕切板Pにより二分割されて区画可能になっている。また、箱本体10の上面開口を閉塞する蓋体Dは、箱本体10の上端面に載置状態でセットされる蓋受け体Dと、該蓋受け体Dの中心部の円形開口31を閉塞する円形状の蓋体本体Dとで構成される。
【0020】
地中埋設箱Bの箱本体10は、図2ないし図6に示されるように、熱可塑性合成樹脂で成形されていて、その側壁部3は、僅かに外側に傾斜して形成され、側壁部3の上端部の外側には、後述の水収容空間Vを形成する底板部4がフランジ状に水平に張り出した状態で全周に亘って形成され、前記底板部4の外端部には、外壁板部5が全周に亘って垂直配置されて形成されている。図4に示されるように、前記外壁板部5の上端は、当該上端に対しても通常の蓋受け体Dよりもサイズの大きな別の蓋受け体を載置可能とすべく、箱本体10の側壁部3の上端よりも僅かに高くなっていると共に、その下端は、水収容空間Vを成形する前記底板部4よりも大きく下方に位置している。換言すると、垂直配置される外壁板部5の高さ方向の中央よりも上方の部分の内側に前記底板部4が一体に形成されている。また、前記外壁板部5の下端部には、フランジ状をした浮上り防止板部6が外側に向け、しかも水平となって全周に亘って一体に形成され、浮上り防止板部6と外側壁部5との間には、その各辺の中央部及び箱本体10のコーナー部にそれぞれ三角形状をした補強リブ7が一体に設けられている。
【0021】
また、全体が方形枠状をした外壁板部5の各コーナー部は、他の部分の上端位置よりも部分的に高くなった位置決め部5aとなっており、この位置決め部5aは、箱本体10の側壁部3の上端面に蓋受け体Dをセットする際の位置決め機能を果たす。また、箱本体10の側壁部3の上端面にセットされる通常サイズの蓋受け体Dよりも大きなサイズ(方形枠状をした外壁板部5よりも大きなサイズ)の蓋受け体をセットする場合には、前記各位置決め部5aは、外壁板部5の上端面と同一位置となるまで切除する。
【0022】
また、箱本体10の上端部の外側に全周に亘って設けられる前記水収容空間Vは、箱本体10の側壁部3の上端部と、その外側に一体に形成された底板部4と、その外側に一体に形成された外壁板部5とで形成されて、箱本体10を地中埋設して使用する際に、水を一時的に収容する部分であって、前記底板部4には、水収容空間Vに一時的に収容した水を、これよりも下方の土中に排水するための多数の排水孔8(図2ないし図5参照)が周方向に沿って所定間隔をおいて設けられている。
【0023】
また、四角形の箱本体10は、平面視で正方形状をしている。側壁部3は、相対向する一対の側壁板部3aと、同様の一対の側壁板部3bとで構成され、各側壁板部3a,3bの辺長(水平方向の長さ)は等しい。各側壁板部3a,3bの内側面であって、その横方向(水平方向)の中央部には、それぞれ第1仕切板係止部11が上下方向に沿って形成されている。第1仕切板係止部11は、一対の突条11aで形成されて、各突条11aの間の溝部11bに、仕切板Pの上端部が挿入係止されるようになっている。また、側壁部3の全体形状は、上記したように各側壁板部3a,3bが僅かに外側に傾斜した形状になっているために、前記第1仕切板係止部11は、各側壁板部3a,3bの高さ方向の略中央部から上端に至る間においてのみ形成されていて、突条11aの高さは上端に向かう程高くなっている。
【0024】
また、図2及び図4に示されるように、平板状の仕切板Pの横寸法(幅)は、箱本体10の一辺の長さに対応していると共に、その縦寸法(高さ)は、箱本体10の深さに対応している。仕切板Pの上端部の両端には、それぞれ係止板部20が横方向に突出しており、箱本体10の収容空間2に仕切板Pを側壁部3のいずれかの側壁板部3a,3bと平行に配置して、側壁部3の内側に形成された各第1仕切板係止部11のうち仕切板Pと直交している一対の側壁板部3a(3b)の内側の対向する一対の第1仕切板係止部11に、仕切板Pの上端部の各係止板部20を係止させると、箱本体10の内部の収容空間2は、仕切板Pにより二分割されて区画される。なお、第1仕切板係止部11は、上下方向に沿って所定の長さを有しているために、高さの異なる仕切板Pの取付けが可能となる。
【0025】
また、図6及び図7に示されるように、箱本体10の底壁部12の中央部には、箱本体10の内部に配設される仕切板Pの下端部を係止させて、使用中に仕切板Pが傾斜するのを防止する十字状の第2仕切板係止部13が形成されている。第2仕切板係止部13は、L字状の4個の突条13aの各直交部を中央にして90°ずつ位相をずらして配置することにより、第1及び第2の各溝部13b,13cが互いに直交し、しかも側壁板部3aに平行となって形成された構成である。
【0026】
また、図6及び図7に示されるように、箱本体10の底壁部12には、その平面視において一方の対角線Lに対して僅かにずれていて、しかも底壁部12の中心Cに対して対称位置に、後述の雄ねじ棒Rの下端部を螺着するための一対のナット体14が埋設されている。底壁部12におけるナット体14が埋設される部分は、その内側に膨出した膨出部15となっていて、該膨出部15には、上面に開口した雄ねじ棒挿通孔16が形成されていて、前記膨出部15に前記ナット体14が箱本体10の上面開口1に向けて埋設されている。一対のナット体14は、箱本体10の底壁部12の中心Cに対して上記のように配置されているので、仕切板Pの下端部を底壁部12の第2仕切板係止部13の第1及び第2の各溝部13b,13cのいずれかに係止させて、内部の収容空間2を異なる態様で二分割して区画しても、二分割された各分割収容空間2a,2b(2c,2d)の底壁部12には、常に一つのナット体14が配置されることとなる。
【0027】
このため、箱本体10の底壁部12に、本実施形態では最少個数である2個のナット体14を埋設しておけば、収容空間2の2種類の異なる分割態様の各分割収容空間2a,2b(2c,2d)に対してナット体14が共用されて、最少個数のナット体14により、各分割収容空間2a,2b(2c,2d)に雄ねじ棒Rを立設させられる。また、一対のナット体14は、箱本体10の底壁部12の一方の対角線Lに対して僅かにずれた状態で、前記底壁部12の中心Cに対して対称に配置されているので、仕切板Pを互いに直交する異なる位置に配置して、箱本体10の内部の収容空間2を二分した場合には、各ナット体14に螺着されて底壁部12に立設された雄ねじ棒Rと仕切板Pとの間隔は異なる。即ち、図3に示されるように、仕切板Pの下端部を第2仕切板係止部13の第1溝部13bに係止させた場合は、第2溝部13cに係止させた場合よりも、仕切板Pと雄ねじ棒Rとの間隔が大きくなる。このように設計されているのは、雄ねじ棒Rに係合させてケーブルK,Kを支持する支持具には、種々の構造のものがあって、後述の支持具Sのように、両側に支持部を有する構造のものにおいて、仕切板Pと雄ねじ棒Rとの間に一方の支持部17cを配置可能とするためである。
【0028】
このように、箱本体10の底壁部12には、箱本体10の上面開口1に向けてナット体14が埋設されているため、雄ねじ棒Rの下端部を雄ねじ棒挿通孔16(図5及び図7参照)に挿通させて回転させると、図1及び図5に示されるように、その下方のナット体14に雄ねじ棒Rが箱本体10の収容空間2内において垂直に配置された状態で螺着される。
【0029】
また、箱本体10の収容空間2内において垂直に配置された雄ねじ棒Rには、箱本体10内に配置されるケーブルK,K等の各種の配線・配管材を支持するための支持具が係合状態で取付けられる。例えば、図2及び図8に示される支持具Sは、雄ねじ棒Rを挟んだ状態で一体に結合される一対の分割支持体17により構成される。一対の分割支持体17は、ほぼ同一形状であって、対向内側面に雄ねじ棒Rの直径に対応した断面半円形の嵌合溝17aが上下方向に形成された本体部17bと、該本体部17bの下端部の両側に延設された支持部17cとで構成される。支持具Sを構成する一対の分割支持体17は、雄ねじ棒Rを挟んだ状態で、2本のビス18を介して一体に結合させることにより、雄ねじ棒Rに係合状態で取付けられる。このため、箱本体10の底壁部12に立設された雄ねじ棒Rに対する高さ方向の係合位置は、支持するケーブルK,Kの位置に対応して無段階に調整可能であると共に、前記雄ねじ棒Rに対する周方向の係合位置に関しても、支持するケーブルKの位置に対応して任意に調整可能となる。
【0030】
次に、例えば強電用の電力供給ケーブルKと弱電用の電話ケーブルKとの異なる二種類のケーブルK,Kを地中埋設箱Bに引き込んで、いずれも直線状に配線して中継接続する第1実施形態について説明する。まず、図2に示されるように、箱本体10を構成する側壁部3のうち相対向していて、第2仕切板係止部13の第1溝部13bに対して直交する各側壁板部3aの所定高さ位置にそれぞれ2個ずつの貫通孔Hを左右に振り分けて穿孔する。次に、箱本体10の内部に仕切板Pを挿入して、仕切板Pの上端部の係止板部20を、相対向する各側壁板部3aの内側に形成された第1仕切板係止部11に係止させると共に、仕切板Pの下端部を第2仕切板係止部13の第1溝部13bに係止させると、図1、図3ないし図5に示されるように、箱本体10の内部の収容空間2は、仕切板Pによって二つの分割収容空間2a,2bに分割される。
【0031】
次に、箱本体10の各側壁板部3aに穿孔された貫通孔HにカップリングMをそれぞれ取付けておく。図4に示されるように、地中埋設箱Bの埋設位置に掘削した埋設孔の底部には、捨コンクリートが打設されて設置部21が形成されており、内部の収容空間2が仕切板Pで二つに仕切られて、対向する各側壁板部3aにカップリングMが取付けられた箱本体10を前記設置部21に設置する。この状態で、箱本体10の各側壁板部3aの両側にそれぞれ2本ずつ配管された各ケーブル保護管Nの端部を、箱本体10の各側壁板部3aにそれぞれ2本ずつ取付けられた各カップリングMに連結すると、二種類の異なるケーブルK,Kを挿通して保護するための各ケーブル保護管Nが箱本体10に接続される。この状態で、一方のケーブル保護管Nから引き出されたケーブルKを箱本体10の分割収容空間2aに引き込んで、他方のケーブル保護管Nに挿通させる。別のケーブルKに関しても全く同様にして、一方のケーブル保護管Nから箱本体10の分割収容空間2aに引き込んで、他方のケーブル保護管Nに挿通させる。この配線作業により、二種類の異なるケーブルK,Kは、仕切板Pにより二分割された箱本体10の内部の各分割収容空間2a,2bに部分的に露出した状態で収容され、そのままでは、箱本体10の底壁部12に垂れ下がった状態となる。
【0032】
次に、箱本体10の各分割収容空間2a,2bにそれぞれ雄ねじ棒Rを挿入して、その下端部を底壁部12に埋設されている各ナット体14に螺着させると、各分割収容空間2a,2bにそれぞれ雄ねじ棒Rが仕切板Pとの間に所定の隙間を有して立設される。ここで、箱本体10の各分割収容空間2a,2bの底壁部12には、それぞれ異なるケーブルK,Kが垂れ下がっており、この垂下り長(余長)を見計らって、各雄ねじ棒Rの最適な高さに支持具Sを上記したようにして係合させる。第1実施形態では、各ケーブルK,Kは、地中埋設箱Bを介して直線状に中継接続されるので、支持具Sの支持部17cは、ケーブルK,Kの配線方向に対してほぼ直交して配置される。そして、箱本体10の各分割収容空間2a,2bの底壁部12に垂れ下がっている各ケーブルK,Kを持ち上げて、各支持具Sの支持部17cに引っ掛けると、図1及び図4に示されるように、各ケーブルK,Kは、支持具Sから適度に垂れ下がった状態で配線方向に沿って支持具Sに支持されるため、各ケーブルK,Kの支持状態が安定化する。
【0033】
このように、箱本体10内における各ケーブルK,Kの余長、配線方向等に応じた最適な高さ位置と最適方向に沿って支持具Sを雄ねじ棒Rに係合させることができるので、いかなる配線状態であっても、箱本体10内において各ケーブルK,Kを最も安定した状態で支持できる。なお、箱本体10内における各ケーブルK,Kの支持作業の終了後においては、箱本体10の周辺の孔部に土を埋め戻して、箱本体10の上面開口1を蓋体Dで閉塞しておく。
【0034】
また、上記した第1実施形態では、二種類の異なるケーブルK,Kを地中埋設箱Bの部分において、いずれも直線状にして中継接続する例であるが、図9に示される第2実施形態においては、仕切板Pにより二分割された各分割収容空間2a,2bのうち、一方の分割収容空間2aにおいては、上記第1実施形態と同様にしてケーブルKが直線状に接続されて、分割収容空間2a内に配置されたケーブルKは、雄ねじ棒Rに螺着された一つの支持具Sに支持されていると共に、他方の分割収容空間2bにおいては、ケーブルKが分岐接続されている。即ち、他方の分割収容空間2bにおいては、これを形成する側壁部3のうち対向する側壁板部3aにそれぞれ貫通孔Hが穿孔されて、各貫通孔HにカップリングMを介してケーブル保護管Nが接続されていると共に、側壁部3を構成する別の側壁板部3b(仕切板Pと略平行な側壁板部)には、一つの貫通孔Hが穿孔されて別のケーブル保護管NがカップリングMを介して接続されている。そして、仕切板Pと略平行に配管されたケーブル保護管Pから引き込まれた複数本のケーブルKの一部は、直線配線されて、仕切板Pと略平行に配管された別のケーブル保護管Pに挿通されると共に、複数本のケーブルKの残りは、屈曲配線されて、仕切板Pと略直交して配管された別のケーブル保護管Nに挿通されている。また、他方の分割収容空間2bの底壁部12に立設された雄ねじ棒Rには、一つの支持具Sが平面視において仕切板Pに対して傾斜して係合されていて、支持具Sの支持部17cの一方には、直線的に配線されるケーブルKが支持されていると共に、前記支持部17cの他方には、屈曲配線されるケーブルKが支持されている。
【0035】
また、図10に示される第3実施形態のように、地中埋設箱Bの箱本体10には、2本のケーブル保護管Nが相上下した態様で接続されることもある。図示の例では、仕切板Pにより二分割された箱本体10内の一方の分割収容空間2aには、1本のケーブル保護管Nが接続されているのみであるが、他方の分割収容空間2bには、2本のケーブル保護管Nが相上下して接続されている。この場合には、他方の分割収容空間2bの底壁部12に立設された雄ねじ棒Rには、2本の各ケーブル保護管Nよりも僅かに高い位置にそれぞれ支持具Sが係合支持されていて、相上下する各ケーブル保護管Nから引き込まれた各ケーブルKは、それぞれ相上下する別の支持具Sに支持される。このため、相上下する各ケーブル保護管Nから引き込まれた各ケーブルKは、互いに絡まることなく、安定して支持される。
【0036】
このように、ケーブルK,Kの支持装置Aは、地中埋設箱Bの箱本体10と、該箱本体10の底壁部12に立設される雄ねじ棒Rと、該雄ねじ棒Rに螺着される支持具Sとで構成されて、雄ねじ棒Rに係合支持される支持具Sは、箱本体10の分割収容空間2a,2b内に配線された各ケーブルK,Kの余長に対応して、その係合支持の高さ位置を無段階に調整できるのみならず、分割収容空間2a,2b内においてケーブルK,Kが屈曲配線される場合には、この屈曲配線方向に対応して、雄ねじ棒Rの周方向に対する支持具Sの係合位置を自在に調整できる。よって、本発明に係るケーブルK,Kの支持装置Aによれば、雄ねじ棒Rに対して支持具Sを係合構造により支持しているために、箱本体10の収容空間2内におけるケーブルK,Kの配線高さ、及び配線方向の双方に対応して、ケーブルK,Kを支持する支持具Sの配置高さ、及び配置方向を自在に調整できて、地中埋設箱Bを使用したケーブルK,Kの種々の中継接続に対応できる。
【0037】
また、図11及び図12に示される第4実施形態では、仕切板Pは、その下端部が第2仕切板係止部13の第2溝部13cに係止されて、上記と直交する方向に配置されることにより、内部の収容空間2は、各分割収容空間2c,2dに二分割されている。このため、図11に示されるように、各分割収容空間2c,2dの底壁部12に立設された雄ねじ棒Rと仕切板Pとの間隔は、上記した第1ないし第3の各実施形態よりも狭くなっている。
【0038】
第4実施形態で使用される支持具Sは、図13に示されるように、全体形状がU字状をしており、一部が欠落した筒状をしていて、雄ねじ棒Rに係合支持される係合部22と、該係合部22の一端に一体に形成された支持部23とで構成される。係合部22は、その長手方向の中央部に、雄ねじ棒Rが挿入可能な第1雄ねじ棒挿入開口22aが基板部22bを除く全周に形成されていて、該第1雄ねじ棒挿入開口22aの両側には、相互に位相が180°ずれた位置に長手方向に沿って第2雄ねじ棒挿入開口22cが形成されている。第2雄ねじ棒挿入開口22cの開口幅は、雄ねじ棒Rの直径よりも僅かに小さくなっていて、雄ねじ棒Rの挿入時には、弾性変形により拡開される。
【0039】
そして、雄ねじ棒Rに対して支持具Sを係合支持させるには、図13(イ)に示されるように、支持具Sの全体をほぼ水平に配置して、係合部22の第1雄ねじ棒挿入開口22aに対して雄ねじ棒Rを相対的に挿入し、この状態で支持具Sの全体を第1雄ねじ棒挿入開口22aの部分を中心にして矢印Qに示される方向に略90°だけ回動させる。これにより、図13(ロ)に示されるように、周方向の位相が互いに180°だけずれて形成された係合部22の各第2雄ねじ棒挿入開口22cの部分が弾性変形により拡開された後に原形状に復元して、各第2雄ねじ棒挿入開口22cに雄ねじ棒Rが挿入された状態になると共に、弾性復元力により係合部22の全体が雄ねじ棒Rに弾接することにより、雄ねじ棒Rに対して支持具Sが係合保持される。
【0040】
このため、仕切板Pと雄ねじ棒Rとの間隔が少ない場合でも、係合部22の一方側にのみ支持部23を備えた支持具Sを使用して、図11に示されるように、支持部23を雄ねじ棒Rに対して仕切板Pと反対側に配置することにより、雄ねじ棒Rに対して支持具Sの係合支持が可能となる。また、雄ねじ棒Rに対して支持具Sは、上記のようにして係合支持されるので、雄ねじ棒Rに対する支持具Sの係合支持高さ、及び周方向に沿った配置位置の双方を自在に調整できる。
【0041】
そして、箱本体10の内部の収容空間2が仕切板Pにより二分割された一方の分割収容空間2cには、地中埋設箱Bを介して直線配線されるケーブルKの一部が露出配線されていて、その余長部は、分割収容空間2c内の雄ねじ棒Rに係合支持された支持具Sの支持部23に支持されている。他方の分割収容空間2dにおいては、地中埋設箱Bの部分で屈曲配線される2本のケーブルKが露出配線されている。分割収容空間2d内で屈曲配線される2本のケーブルKは、分割収容空間2d内の雄ねじ棒Rに相上下して係止支持された二つの各支持具Sの各支持部23に支持されている。ここで、図11及び図12に示されるように、2本のケーブルKの途中を支持する各支持具Sの支持部23は、仕切板Pに対して傾斜して配置されているため、分割収容空間2d内においては、2本のケーブルKはいずれも安定した状態で屈曲配線される。
【0042】
また、上記各実施形態では、支持具S,Sを高さ調整自在で、しかも周方向に沿った配置位置も調整可能にして係止支持するための支持棒体として雄ねじ棒Rを使用し、この雄ねじ棒によれば、支持具S,Sの取付高さの調整を無段階にできる利点がある。しかし、本発明における支持棒体は、雄ねじ棒に限られず、例えば、極めて小さなピッチで多数の係合片が長手方向に沿って形成された支持棒体を使用することも可能である。
【0043】
また、上記各実施形態では、支持棒体が雄ねじ棒Rであるために、箱本体10の底壁部12に、前記雄ねじ棒Rと螺合するナット体14を埋設してあるが、支持棒体を箱本体10の底壁部12に立設させる手段としては、ナット体14に限られない。例えば、支持棒体の下端部を上方から落とし込んで係合することにより、支持棒体を立設させられる係合機構であってもよい。
【0044】
また、支持棒体の下端部を螺着させて、箱本体の底壁部に支持棒体を立設可能にするために、前記底壁部に形成される雌ねじ部に関しても、上記実施形態のようにナット体を埋設する構造に限られず、底壁部に雌ねじを直接に形成してもよい。
【0045】
また、ケーブル等の配線・配管材を支持する支持具に関しても、上記実施形態の各支持具S,Sは、支持棒体である雄ねじ棒Rの途中においても自在に脱着できる利点があるが、支持棒体に対して高さ調整自在で、しかも周方向に沿った配置位置も調整可能にして係止支持できる構造のものであれば、いかなるものであってもよい。
【0046】
また、地中埋設箱(箱本体)内における配線・配管材の配線・配管形態に関しても、仕切板を介して内部の収容空間を複数に分割するものに限定されず、非分割の収容空間内に配線・配管する形態に対しても当然に適用可能である。
【0047】
【発明の効果】
本発明は、箱本体の底壁部に形成した取付部に支持棒体の下端部を取付けて前記底壁部に支持棒体を立設するという極めて簡単な構成により、地中埋設箱内で配線・配管材の支持高さを無段階、又はほぼ無段階に調整可能にして、安定した支持状態を確保すると共に、支持部材の側方への延設方向の調整も自在にして、地中埋設箱内での屈曲配線も安定して支持できる。
【図面の簡単な説明】
【図1】仕切板Pで内部の収容空間2が二つに仕切られた本発明に係る地中埋設箱Bの箱本体10と、この箱本体10の上面開口1を閉塞する蓋体Dとの分解斜視図である。
【図2】箱本体10と、その内部を仕切る仕切板Pと、雄ねじ棒Rと、支持具Sとの分解斜視図である。
【図3】各分割収容空間2a,2bにそれぞれ異なるケーブルK,Kが配線された状態の平面図である。
【図4】図3のX−X線断面図である。
【図5】図3のX−X線断面図である。
【図6】箱本体10の底壁部12の平面図である。
【図7】図6のY−Y線の拡大断面図である。
【図8】(イ),(ロ)は、それぞれ支持具Sを雄ねじ棒Rに係合支持する前後の斜視図である。
【図9】分割収容空間2b内に配線される複数本のケーブルKが分岐配線される状態を示す箱本体10の平面図である。
【図10】分割収容空間2b内に複数本のケーブルKが相上下して配線される状態を示す箱本体10の正面断面図である。
【図11】分割収容空間2d内に複数本のケーブルKが相上下して屈曲配線される状態を示す箱本体10の平面図である。
【図12】同じく一部を破断した斜視図である。
【図13】(イ),(ロ)は、それぞれ支持具Sを雄ねじ棒Rに係合支持する前後の斜視図である。
【符号の説明】
A:配線・配管材の支持装置
B:地中埋設箱
C:地中埋設箱の底壁部の中心
,K:ケーブル(配線・配管材)
P:仕切板
L:地中埋設箱の底壁部の対角線
R:雄ねじ棒(支持棒体)
,S:支持具
1:箱本体の上面開口
2:箱本体の収容空間
2a〜2d:分割収容空間
10:箱本体
11:第1仕切板係止部(仕切板係止部)
12:箱本体の底壁部
13:第2仕切板係止部(仕切板係止部)
14:ナット体(取付部,雌ねじ部)
[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to an underground buried box which is used by being buried underground when relaying and connecting wiring and piping materials such as underground cables and underground pipes, and wiring and piping materials in underground buried boxes And a support device.
[0002]
[Prior art]
In the above-mentioned underground box, since wiring and piping materials are accommodated in the box body, it is necessary to prevent the wiring and piping materials from hanging down on the bottom wall and to protect the wiring and piping materials. It is necessary to hang and support the member. As a supporting device used for this purpose, an upright body having a large number of mounting holes formed stepwise in the height direction is erected in an underground buried box, and is attached to the mounting hole to be erected. There is a case where a wiring member and a piping material are supported in a box body by a support member extending laterally from a body (for example, see Patent Document 1).
[0003]
Here, the height to support the wiring and piping material drawn into the box body depends on the height position of the drop hole formed in the peripheral wall portion of the box body, and the drop hole is appropriately set at the construction site. It is drilled, and since the drilling position, size, and number vary depending on the thickness and number of wiring and piping materials, it is often impossible to specify at all.
[0004]
However, in the above-mentioned conventional supporting device, the supporting height of the wiring / piping material can be adjusted only stepwise in accordance with the formation position of the mounting hole of the standing body, and the height cannot be freely adjusted. The support was unstable.
[0005]
Further, in the conventional supporting device, the extending direction of the supporting member to the side of the standing body is also limited to the direction corresponding to the position of the mounting hole. For this reason, when wiring and piping materials are bent in the box main body, the supporting member cannot be extended in an optimal direction corresponding to the bending direction. It was unstable.
[0006]
[Problems to be solved by the invention]
An object of the present invention is to make it possible to adjust the supporting height of wiring and piping materials in a buried underground box in a stepless manner with a very simple structure, to ensure a stable supporting state, and to provide a lateral support member. In this case, the direction of extension can be freely adjusted so that the bent wiring in the underground box can be stably supported.
[0007]
[Means for Solving the Problems]
The invention according to claim 1 for solving the above-mentioned problem has a structure in which wiring and piping materials drawn into a box body of an underground box are supported in the box body, and a bottom wall of the box body is provided. A mounting portion is formed toward the upper surface opening in the portion, a lower end portion of a support rod is attached to the mounting portion, and is vertically erected in the box body, and is laterally moved from the support rod in the upright state. The wiring and piping material drawn into the box body is supported by the extended support, and the support is attached to the support rod so that the wiring and piping can be supported at an appropriate height. It is characterized in that it can be engaged and attached in a stepless or almost endless step so as to be freely adjustable in height.
[0008]
According to the first aspect of the present invention, when the lower end of the support rod is attached to the attachment portion formed on the bottom wall of the box body toward the upper surface opening, the support rod stands on the bottom wall of the box body. A support member for supporting the wiring and piping material drawn into the box main body is engaged with the support rod so that the height can be adjusted steplessly or almost steplessly. For this reason, the position, size, and number of the lead-in holes formed in the side wall of the box body change depending on the thickness and the number of the wiring and piping materials, and the extra length of the wiring and piping material accommodated in the box body is changed. Even if the change occurs, the support tool is engaged with the support rod at the optimum height position corresponding to the extra length, and the support state of the wiring and piping material in the box body is stabilized. . Further, since the support is engaged with the support rod, the extending direction (arrangement direction) of the support with respect to the support rod can be freely adjusted. Bent wiring and the like are also possible, and together with the above-mentioned adjustment of the supporting height of the wiring and piping material, the wiring and piping material can be supported in a more stabilized state.
[0009]
According to a second aspect of the present invention, in the first aspect of the invention, the mounting portion is a female screw portion. For this reason, the attachment of the support rod to the bottom wall of the box body is simplified, and the wiring and piping work of the wiring and piping material in the box body is facilitated.
[0010]
The invention according to claim 3 is characterized in that, in the invention according to claim 1 or 2, the support rod is a male screw rod. According to the third aspect of the present invention, since the height position and the arrangement direction of the support are extremely easily adjusted, and the male screw rod which can be easily obtained is used as the support rod, the invention according to the first or second aspect is provided. The operation and effect of the invention can be reliably achieved.
[0011]
The invention according to claim 4 is an underground box provided with a box body having a bottom with an open upper surface, wherein the wiring and piping material drawn into the box body is supported via a support. A female screw portion to which the support rod can be screwed is formed on its bottom wall toward the upper surface opening so that the rod can be set up and down in the box body. . The fourth aspect of the present invention grasps the second aspect of the present invention from the viewpoint of the "underground buried box", and its operation and effect are substantially the same as those of the second aspect.
[0012]
A fifth aspect of the present invention is characterized in that, in the fourth aspect of the invention, the support rod is a male screw rod, and the same operation and effect as the third aspect of the invention are exerted.
[0013]
According to a sixth aspect of the present invention, in the invention of the fourth or fifth aspect, the box main body is locked with the partition plate so that the wiring and piping material drawn into the box body can be accommodated by being partitioned by the partition plate. A partition plate locking portion is formed, and the female screw portion is formed at a bottom of each of the divided storage spaces so that the support rods can be erected in a plurality of storage spaces divided by the partition plate. It is characterized in that at least one is formed on each of the wall portions.
[0014]
According to the invention of claim 6, even if the inside of the box main body is divided in any of the vertical and horizontal directions by the partition plate, one or more female screw portions are formed on the bottom wall portion of each of the divided storage spaces. ing. For this reason, even if the accommodation space in the box main body is divided in any of the vertical and horizontal directions by the partition plate, a support rod body for supporting the wiring and piping material is erected in each divided accommodation space, and the inside of the box main body is divided. Even if the partitioning plate is divided in any of the vertical and horizontal directions, the wiring and piping materials can be supported by the support rods in each of the storage spaces partitioned and accommodated, so that the wiring and piping materials can be accommodated in the partitioned storage.
[0015]
According to a seventh aspect of the present invention, in the sixth aspect of the present invention, the female screw portion has a bottom wall of each of the divided storage spaces, regardless of whether a partition plate that divides the internal storage space into two is disposed in any of vertical and horizontal directions. It is characterized in that it is formed substantially symmetrically with respect to the center of the bottom wall so as to be arranged in the bottom wall portion, and that an even number thereof is formed along a substantially diagonal direction. According to the invention of claim 7, since the same female screw portion formed on the bottom wall portion of the box main body can be shared by the two storage spaces in different division modes, the female screw portion formed on the bottom wall portion of the box main body can be used. The number can be minimized.
[0016]
The invention according to claim 8 is an apparatus for supporting a wiring / piping material drawn into the box body of the underground box in the box body, wherein the underground box according to claim 4 includes: A support rod that is screwed into a female screw formed on the bottom wall of the box body that constitutes the underground box and that is erected in the box body, and a wiring / wire drawn into the box body. And a support member that is engaged with the support rod so as to be adjustable in height so as to support the pipe material at an appropriate height.
[0017]
According to an eighth aspect of the present invention, the invention of the second aspect is grasped from the viewpoint of "a device for supporting wiring and piping in an underground box", and the operation and effect thereof are substantially the same as those of the second aspect. Is the same as
[0018]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, the present invention will be described in more detail with reference to embodiments. FIG. 1 shows a box body 10 of an underground box B according to the present invention in which an internal storage space 2 is divided into two by a partition plate P, and a lid D that closes an upper surface opening 1 of the box body 10. FIG. 2 is an exploded perspective view of FIG. 2, and FIG. 2 shows a box main body 10, a partition plate P for partitioning the inside of the box main body 10, a male screw rod R, and a support tool S. 1 FIG. 3 is an exploded perspective view of FIG. 1 , K 2 FIG. 4 is a plan view showing a state where wires are wired, and FIG. 1 -X 1 FIG. 5 is a sectional view taken along a line, and FIG. 2 -X 2 6 is a plan view of the bottom wall portion 12 of the box main body 10, and FIG. 7 is an enlarged cross-sectional view taken along line YY of FIG.
[0019]
In FIG. 1, an underground box B is composed of a square box body 10 with a bottom and a lid D that closes an upper surface opening 1 (see FIG. 5) of the box body 10. The internal storage space 2 can be divided into two sections by one partition plate P. Further, the lid D that closes the upper opening of the box body 10 is a lid receiving body D set in a state of being placed on the upper end surface of the box body 10. 1 And the lid receiver D 1 Lid body D that closes the circular opening 31 at the center of 2 It is composed of
[0020]
As shown in FIGS. 2 to 6, the box body 10 of the underground buried box B is formed of a thermoplastic synthetic resin, and the side wall 3 is formed to be slightly inclined outward. Outside the upper end of the bottom plate 3, a bottom plate portion 4 forming a water storage space V described later is formed over the entire circumference in a state of being horizontally protruded like a flange, and at the outer end of the bottom plate portion 4, The outer wall plate portion 5 is vertically arranged over the entire circumference. As shown in FIG. 4, the upper end of the outer wall plate portion 5 has a normal lid receiving body D with respect to the upper end. 1 The bottom plate is slightly higher than the upper end of the side wall portion 3 of the box main body 10 so that another lid receiver having a larger size can be placed thereon, and the lower end thereof is the bottom plate for forming the water storage space V. It is located below and larger than the part 4. In other words, the bottom plate portion 4 is integrally formed inside a portion of the vertically arranged outer wall plate portion 5 above the center in the height direction. At the lower end of the outer wall plate portion 5, a flange-shaped floating prevention plate portion 6 is formed outwardly, horizontally, and integrally formed over the entire circumference, and is integrally formed with the floating prevention plate portion 6. Triangular reinforcing ribs 7 are provided integrally with the outer side wall 5 at the center of each side and at the corner of the box body 10.
[0021]
Each corner portion of the outer wall plate portion 5 having a rectangular frame shape as a whole is a positioning portion 5a which is partially higher than the upper end position of the other portion. Cover receiving body D on the upper end surface of the side wall 3 1 Performs the positioning function when setting. Further, a lid receiver D of a normal size set on the upper end surface of the side wall 3 of the box body 10. 1 When setting a lid receiving body of a larger size (larger than the rectangular frame-shaped outer wall plate portion 5), the positioning portions 5a are positioned until they are located at the same position as the upper end surface of the outer wall plate portion 5. Resection.
[0022]
Further, the water storage space V provided over the entire outer periphery of the upper end portion of the box main body 10 includes an upper end portion of the side wall portion 3 of the box main body 10, a bottom plate portion 4 integrally formed outside the upper end portion, When the box body 10 is buried under the ground and used, it is a portion for temporarily storing water, and the bottom plate portion 4 is formed with the outer wall plate portion 5 integrally formed on the outside thereof. A large number of drain holes 8 (see FIGS. 2 to 5) for draining water temporarily stored in the water storage space V into the soil below the water storage space V are provided at predetermined intervals along the circumferential direction. Is provided.
[0023]
The square box body 10 has a square shape in plan view. The side wall portion 3 includes a pair of side wall plate portions 3a opposed to each other and a pair of similar side wall plate portions 3b, and the side lengths (lengths in the horizontal direction) of the side wall plate portions 3a and 3b are equal. On the inner side surface of each of the side wall plate portions 3a and 3b, a first partition plate locking portion 11 is formed along a vertical direction at a central portion in the horizontal direction (horizontal direction). The first partition plate locking portion 11 is formed of a pair of ridges 11a, and the upper end of the partition plate P is inserted and locked into the groove 11b between the ridges 11a. Further, as described above, the overall shape of the side wall portion 3 is such that the side wall plate portions 3a and 3b are slightly inclined outward, so that the first partition plate locking portion 11 is provided with the respective side wall plate portions. The protrusions 11a are formed only from a substantially central portion in the height direction of the portions 3a and 3b to the upper end, and the height of the ridge 11a increases toward the upper end.
[0024]
As shown in FIGS. 2 and 4, the horizontal dimension (width) of the flat partition plate P corresponds to the length of one side of the box body 10, and its vertical dimension (height) is , The depth of the box body 10. At both ends of the upper end portion of the partition plate P, locking plate portions 20 protrude in the lateral direction, and the partition plate P is inserted into the accommodation space 2 of the box body 10 by one of the side wall plate portions 3a, 3b of the side wall portion 3. And a pair of first partition plate locking portions 11 formed inside the side wall portion 3 and opposed to each other inside a pair of side wall plate portions 3a (3b) orthogonal to the partition plate P. When each of the locking plate portions 20 at the upper end of the partition plate P is locked by the first partition plate locking portion 11, the housing space 2 inside the box body 10 is divided into two by the partition plate P and partitioned. Is done. Since the first partition plate locking portion 11 has a predetermined length along the vertical direction, partition plates P having different heights can be attached.
[0025]
As shown in FIGS. 6 and 7, the lower end of the partition plate P disposed inside the box main body 10 is locked at the center of the bottom wall 12 of the box main body 10 for use. A cross-shaped second partition plate locking portion 13 for preventing the partition plate P from being inclined is formed therein. The second partition plate locking portion 13 is arranged by shifting the phase by 90 ° with respect to each orthogonal portion of the four L-shaped ridges 13a as a center, so that the first and second groove portions 13b, 13c are formed to be orthogonal to each other and to be parallel to the side wall plate portion 3a.
[0026]
As shown in FIGS. 6 and 7, the bottom wall portion 12 of the box body 10 is slightly displaced with respect to one diagonal line L in a plan view, and is located at the center C of the bottom wall portion 12. A pair of nut bodies 14 for screwing the lower end of a male screw rod R described later is embedded at a symmetric position with respect to the nut body. The portion where the nut body 14 is embedded in the bottom wall portion 12 is a bulging portion 15 bulging inward, and the bulging portion 15 is formed with a male threaded rod insertion hole 16 opened on the upper surface. The nut body 14 is embedded in the bulging portion 15 toward the upper surface opening 1 of the box body 10. Since the pair of nut bodies 14 are arranged as described above with respect to the center C of the bottom wall portion 12 of the box body 10, the lower end of the partition plate P is fixed to the second partition plate locking portion of the bottom wall portion 12. Even if it is locked in one of the first and second groove portions 13b, 13c of the thirteen and the interior housing space 2 is divided into two in different modes, the two divided housing spaces 2a, One nut body 14 is always arranged on the bottom wall 12 of 2b (2c, 2d).
[0027]
For this reason, if the two nut bodies 14, which is the minimum number in the present embodiment, are embedded in the bottom wall portion 12 of the box body 10, each of the divided storage spaces 2 a of the storage space 2 is divided into two different types. , 2b (2c, 2d), the nut body 14 is shared, and the male screw rod R is erected in each of the divided accommodation spaces 2a, 2b (2c, 2d) by the minimum number of nut bodies 14. In addition, the pair of nut bodies 14 are symmetrically arranged with respect to the center C of the bottom wall 12 in a state where the nut bodies 14 are slightly displaced with respect to one diagonal L of the bottom wall 12 of the box body 10. When the partitioning plates P are arranged at different positions orthogonal to each other and the housing space 2 inside the box body 10 is divided into two, male screws which are screwed to the respective nut bodies 14 and are erected on the bottom wall portion 12 are provided. The interval between the rod R and the partition plate P is different. That is, as shown in FIG. 3, when the lower end of the partition plate P is locked in the first groove portion 13b of the second partition plate locking portion 13, it is more than when locked in the second groove portion 13c. The distance between the partition plate P and the external threaded rod R increases. Designed in this way is that the cable K 1 , K 2 There are various types of supports for supporting the support S, which will be described later. 1 This is because, in a structure having a support portion on both sides as described above, one support portion 17c can be arranged between the partition plate P and the male screw rod R.
[0028]
As described above, since the nut body 14 is embedded in the bottom wall portion 12 of the box main body 10 toward the upper surface opening 1 of the box main body 10, the lower end of the male screw rod R is inserted into the male screw rod insertion hole 16 (FIG. 5). And FIG. 7), the male screw rod R is vertically arranged in the housing space 2 of the box body 10 in the nut body 14 below the nut body 14 as shown in FIGS. Screwed.
[0029]
The externally threaded rod R vertically arranged in the accommodation space 2 of the box body 10 has a cable K arranged in the box body 10. 1 , K 2 And other supporting members for supporting various wiring and piping materials are attached in an engaged state. For example, the support S shown in FIGS. 1 Is constituted by a pair of divided supports 17 integrally connected with the male screw rod R interposed therebetween. The pair of divided supports 17 have substantially the same shape, and a main body portion 17b having a fitting groove 17a having a semicircular cross section corresponding to the diameter of the external threaded rod R formed in the opposite inner side surface in the vertical direction, And a support portion 17c extending on both sides of a lower end portion of the lower portion 17b. Support S 1 The pair of divided supports 17 are attached to the male screw rod R in an engaged state by being integrally connected via two screws 18 with the male screw rod R interposed therebetween. For this reason, the engaging position in the height direction with respect to the male screw rod R erected on the bottom wall portion 12 of the box body 10 is determined by the supporting cable K 1 , K 2 Can be adjusted steplessly in accordance with the position of the cable K, and the position of engagement with the male screw rod R in the circumferential direction can be arbitrarily adjusted in accordance with the position of the cable K to be supported.
[0030]
Next, for example, a power supply cable K for strong electricity 1 And telephone cable K for light electricity 2 Different types of cable K 1 , K 2 A first embodiment of the present invention will be described in which the wire is drawn into the underground box B, all of which are wired in a straight line and connected by relay. First, as shown in FIG. 2, the side wall portions 3 a of the side wall portions 3 constituting the box body 10 are opposed to each other, and are orthogonal to the first grooves 13 b of the second partition plate locking portion 13. And two through-holes H are distributed to the left and right at predetermined height positions. Next, the partition plate P is inserted into the inside of the box main body 10, and the locking plate portion 20 at the upper end of the partition plate P is connected to the first partition plate member formed inside the opposed side wall plate portions 3a. When the lower end portion of the partition plate P is locked in the first groove portion 13b of the second partition plate locking portion 13 while being locked by the stop portion 11, as shown in FIG. 1, FIG. 3 to FIG. The accommodation space 2 inside the main body 10 is divided by the partition plate P into two divided accommodation spaces 2a and 2b.
[0031]
Next, the couplings M are respectively attached to the through holes H formed in the side wall plates 3a of the box body 10. As shown in FIG. 4, at the bottom of the burial hole excavated at the burial position of the underground burying box B, a rubble concrete is cast to form an installation part 21, and the internal accommodation space 2 is divided into partitions. The box main body 10 divided into two by P and having the coupling M attached to each of the opposed side wall plate portions 3a is installed in the installation portion 21. In this state, two end portions of each of the cable protection pipes N piped two on each side of each side wall plate portion 3a of the box body 10 were attached to each side wall plate portion 3a of the box body 10. When connected to each coupling M, two different cables K 1 , K 2 Are connected to the box main body 10 for inserting and protecting them. In this state, the cable K pulled out of one cable protection tube N 1 Is drawn into the divided accommodating space 2a of the box body 10 and inserted into the other cable protection tube N. Another cable K 2 In the same manner as above, one cable protection tube N is drawn into the divided accommodating space 2a of the box body 10 and inserted into the other cable protection tube N. By this wiring work, two kinds of different cables K 1 , K 2 Is housed in a state where it is partially exposed in each of the divided housing spaces 2a and 2b inside the box body 10 divided into two by the partition plate P, and as it is, it is hung down on the bottom wall portion 12 of the box body 10. Become.
[0032]
Next, when the male screw rod R is inserted into each of the divided accommodation spaces 2a and 2b of the box body 10 and the lower end thereof is screwed to each of the nut bodies 14 embedded in the bottom wall portion 12, each divided accommodation space is formed. In the spaces 2a and 2b, male screw rods R are respectively provided upright with a predetermined gap between them and the partition plate P. Here, different cables K are provided on the bottom wall portion 12 of each of the divided accommodation spaces 2a and 2b of the box body 10. 1 , K 2 Is suspended, and by taking into account the length of the suspension (extra length), the support S is adjusted to the optimum height of each male screw rod R. 1 Are engaged as described above. In the first embodiment, each cable K 1 , K 2 Are connected in a straight line via the underground box B, 1 Of the cable K 1 , K 2 Are arranged substantially orthogonally to the wiring direction. Each cable K hanging from the bottom wall 12 of each of the divided housing spaces 2a and 2b of the box body 10 1 , K 2 And lift each support S 1 1 and FIG. 4, each cable K 1 , K 2 Is the support S 1 From the support S along the wiring direction with the 1 Each cable K 1 , K 2 Is stabilized.
[0033]
Thus, each cable K in the box body 10 is 1 , K 2 Height along the extra length, wiring direction, etc. 1 Can be engaged with the external threaded rod R, so that the cable K 1 , K 2 Can be supported in the most stable state. Each cable K in the box body 10 1 , K 2 After the end of the supporting operation, the soil is buried in the hole around the box body 10 and the upper opening 1 of the box body 10 is closed with the lid D.
[0034]
In the first embodiment described above, two types of different cables K 1 , K 2 In the second embodiment shown in FIG. 9, each of the divided housing spaces 2a, 2a, 2b, the cable K is provided in one of the divided accommodation spaces 2a in the same manner as in the first embodiment. 1 Are connected in a straight line, and are arranged in the divided accommodation space 2a. 1 Is a supporter S screwed to the male screw rod R. 1 And in the other divided accommodation space 2b, the cable K 2 Are branch connected. That is, in the other divided accommodation space 2b, the through holes H are respectively formed in the opposed side wall plate portions 3a of the side wall portions 3 forming the same, and the cable protection pipe is formed in each of the through holes H via the coupling M. N is connected and another through-hole H is formed in another side wall plate 3b (side wall plate substantially parallel to the partition plate P) constituting the side wall portion 3 so that another cable protection tube N is formed. Are connected via a coupling M. And a plurality of cables K drawn in from a cable protection tube P piped substantially parallel to the partition plate P 2 Is inserted in another cable protection pipe P which is arranged in a straight line and is substantially parallel to the partition plate P, and a plurality of cables K 2 The rest of the cable is bent and inserted into another cable protection tube N which is piped substantially perpendicularly to the partition plate P. The male screw rod R erected on the bottom wall portion 12 of the other divided accommodation space 2b has one support S 1 Are obliquely engaged with the partition plate P in plan view, and 1 Cable K which is linearly wired 2 Is supported, and a cable K that is bent and wired is provided on the other side of the support portion 17c. 2 Is supported.
[0035]
Also, as in the third embodiment shown in FIG. 10, two cable protection tubes N may be connected to the box body 10 of the underground buried box B in an up-and-down manner. In the illustrated example, only one cable protection tube N is connected to one divided accommodation space 2a in the box body 10 divided into two by the partition plate P, but the other divided accommodation space 2b , Two cable protection tubes N are connected one above the other. In this case, the support members S are provided at positions slightly higher than the two cable protection tubes N on the male threaded rod R erected on the bottom wall portion 12 of the other divided accommodation space 2b. 1 Are engaged and supported, and each cable K drawn in from each of the up-and-down cable protection tubes N 2 Is another supporting tool S 1 Supported by For this reason, each cable K drawn in from each of the rising and falling cable protection tubes N 2 Are stably supported without being entangled with each other.
[0036]
Thus, cable K 1 , K 2 Is a box body 10 of an underground box B, a male screw rod R erected on a bottom wall portion 12 of the box body 10, and a support tool S screwed to the male screw rod R. 1 And a support tool S engaged and supported by the male screw rod R. 1 Are the cables K wired in the divided accommodating spaces 2a and 2b of the box body 10. 1 , K 2 Not only can the height position of the engagement support be adjusted steplessly according to the extra length of the cable K, but also the cable K 1 , K 2 Is bent in the circumferential direction of the male screw rod R in accordance with the bent wiring direction. 1 Can be freely adjusted. Therefore, the cable K according to the present invention 1 , K 2 According to the supporting device A, the supporting tool S is 1 Are supported by the engagement structure, so that the cable K in the accommodation space 2 of the box body 10 is 1 , K 2 Cable K corresponding to both the wiring height and the wiring direction 1 , K 2 Support S for supporting 1 Height and direction can be adjusted freely, and cable K using underground box B 1 , K 2 Of various relay connections.
[0037]
In the fourth embodiment shown in FIGS. 11 and 12, the lower end of the partition plate P is locked by the second groove 13 c of the second partition plate locking portion 13, and the partition plate P extends in a direction orthogonal to the above. By being arranged, the internal accommodation space 2 is divided into two parts, that is, divided accommodation spaces 2c and 2d. For this reason, as shown in FIG. 11, the interval between the male screw rod R erected on the bottom wall portion 12 of each of the divided accommodating spaces 2c and 2d and the partition plate P is determined by the first to third embodiments described above. It is narrower than the form.
[0038]
Support S used in the fourth embodiment 2 As shown in FIG. 13, an overall shape is a U-shape, a cylindrical shape with a part missing, and an engaging portion 22 that is engaged and supported by a male screw rod R. It is composed of a support part 23 integrally formed at one end of the joint part 22. The engaging portion 22 has a first male screw rod insertion opening 22a at the center in the longitudinal direction, into which the male screw rod R can be inserted, formed on the entire periphery except the substrate portion 22b. A second male screw rod insertion opening 22c is formed along the longitudinal direction at a position 180 ° out of phase with each other. The opening width of the second male screw rod insertion opening 22c is slightly smaller than the diameter of the male screw rod R, and is expanded by elastic deformation when the male screw rod R is inserted.
[0039]
Then, the support tool S is attached to the male screw rod R. 2 In order to engage and support the support tool S, as shown in FIG. 2 Are arranged substantially horizontally, and the male screw rod R is relatively inserted into the first male screw rod insertion opening 22a of the engaging portion 22. In this state, the support S 2 Is rotated by about 90 ° in the direction indicated by arrow Q about the first male screw rod insertion opening 22a. As a result, as shown in FIG. 13B, the portion of each second male screw rod insertion opening 22c of the engaging portion 22 formed with the phase in the circumferential direction shifted from each other by 180 ° is expanded by elastic deformation. After returning to the original shape, the male screw rod R is inserted into each second male screw rod insertion opening 22c, and the entire engaging portion 22 elastically contacts the male screw rod R by elastic restoring force. Supporting tool S for male screw rod R 2 Are held in engagement.
[0040]
For this reason, even when the distance between the partition plate P and the external thread rod R is small, the support tool S having the support portion 23 only on one side of the engagement portion 22 is provided. 2 By disposing the support portion 23 on the opposite side of the partition plate P with respect to the male screw rod R as shown in FIG. 2 Can be supported. Further, the support tool S is provided for the male screw rod R. 2 Are supported in engagement as described above, so that the support tool S for the male threaded rod R is 2 Both the engagement support height and the arrangement position along the circumferential direction can be freely adjusted.
[0041]
A cable K that is linearly routed via an underground box B is provided in one of the divided storage spaces 2c in which the storage space 2 inside the box body 10 is divided into two by a partition plate P. 1 Is exposed and wired, and the extra length of the support tool S is supported by the male screw rod R in the divided accommodation space 2c. 2 Is supported by the support portion 23. In the other divided accommodating space 2d, two cables K bent and bent at the portion of the underground box B are provided. 2 Are exposed wiring. Two cables K bent and wired in the divided accommodation space 2d 2 Are two support members S which are locked and supported up and down on the male screw rod R in the divided accommodation space 2d. 2 Are supported by the support portions 23. Here, as shown in FIGS. 11 and 12, two cables K 2 Each support S that supports the middle of 2 The support portion 23 is disposed obliquely with respect to the partition plate P, so that the two cables K 2 Are bent in a stable state.
[0042]
In each of the above embodiments, the support S 1 , S 2 The male threaded rod R is used as a supporting rod body for locking and supporting by adjusting the height and freely adjusting the arrangement position along the circumferential direction. 1 , S 2 There is an advantage that the adjustment of the mounting height can be performed steplessly. However, the support rod in the present invention is not limited to the male screw rod. For example, a support rod in which a large number of engagement pieces are formed at an extremely small pitch along the longitudinal direction may be used.
[0043]
In each of the above embodiments, since the support rod is the male screw rod R, the nut body 14 screwed with the male screw rod R is embedded in the bottom wall portion 12 of the box body 10. Means for erecting the body on the bottom wall portion 12 of the box body 10 is not limited to the nut body 14. For example, an engagement mechanism that allows the support rod to stand upright by dropping the lower end of the support rod from above and engaging it.
[0044]
Further, in order to screw the lower end portion of the support rod so that the support rod can be erected on the bottom wall of the box main body, the female screw formed on the bottom wall is also used in the above embodiment. The present invention is not limited to the structure in which the nut body is embedded, and the female screw may be formed directly on the bottom wall.
[0045]
Further, with respect to a support for supporting wiring and piping materials such as cables, each support S of the above embodiment is also used. 1 , S 2 Has the advantage that it can be freely attached and detached in the middle of the male threaded rod R, which is a support rod, but the height can be adjusted freely with respect to the support rod and the arrangement position along the circumferential direction can also be adjusted and locked. Any structure can be used as long as it can support it.
[0046]
Also, the wiring and piping configuration of the wiring and piping material in the underground box (box body) is not limited to the case where the internal storage space is divided into a plurality of parts via the partition plate, Naturally, the present invention can also be applied to a form in which wiring and piping are performed.
[0047]
【The invention's effect】
The present invention provides a very simple configuration in which the lower end of the support rod is attached to an attachment portion formed on the bottom wall of the box body and the support rod is erected on the bottom wall, so that it can be installed in an underground box. The support height of the wiring and piping materials can be adjusted steplessly or almost steplessly to ensure a stable support state, and the extension of the support member to the side can be freely adjusted, and Bent wiring in a buried box can be stably supported.
[Brief description of the drawings]
FIG. 1 shows a box body 10 of an underground box B according to the present invention in which an internal storage space 2 is divided into two by a partition plate P, and a lid D that closes an upper surface opening 1 of the box body 10. It is an exploded perspective view of.
FIG. 2 shows a box body 10, a partition plate P for partitioning the inside of the box body, a male screw rod R, and a support S. 1 FIG.
FIG. 3 shows a different cable K for each of the divided housing spaces 2a and 2b. 1 , K 2 FIG. 3 is a plan view showing a state in which is wired.
FIG. 4 is a diagram showing an X in FIG. 1 -X 1 It is a line sectional view.
FIG. 5 shows X in FIG. 2 -X 2 It is a line sectional view.
FIG. 6 is a plan view of a bottom wall portion 12 of the box main body 10.
FIG. 7 is an enlarged sectional view taken along line YY of FIG. 6;
FIGS. 8 (a) and (b) show a support S, respectively. 1 FIG. 3 is a perspective view before and after engaging with and supporting a male screw rod R.
FIG. 9 shows a plurality of cables K wired in the divided accommodation space 2b. 2 FIG. 4 is a plan view of the box main body 10 showing a state in which branch wiring is performed.
FIG. 10 shows a plurality of cables K in a divided accommodation space 2b. 2 FIG. 3 is a front cross-sectional view of the box main body 10 showing a state in which are wired one above the other.
FIG. 11 shows a plurality of cables K in a divided accommodation space 2d. 2 FIG. 4 is a plan view of the box main body 10 showing a state in which the wiring is bent one after another.
FIG. 12 is a partially cutaway perspective view.
FIGS. 13 (a) and (b) each show a support S 2 FIG. 3 is a perspective view before and after engaging with and supporting a male screw rod R.
[Explanation of symbols]
A: Supporting device for wiring and piping materials
B: Underground buried box
C: Center of bottom wall of underground box
K 1 , K 2 : Cable (wiring and piping materials)
P: Partition plate
L: Diagonal line of bottom wall of underground box
R: Male thread rod (support rod body)
S 1 , S 2 : Support tool
1: Top opening of the box body
2: Box space
2a to 2d: divided accommodation space
10: Box body
11: first partition plate locking portion (partition plate locking portion)
12: Bottom wall of the box body
13: second partition plate locking portion (partition plate locking portion)
14: Nut body (mounting part, female screw part)

Claims (8)

地中埋設箱の箱本体内に引き込まれた配線・配管材を前記箱本体内で支持する構造であって、
前記箱本体の底壁部に取付部が上面開口に向けて形成され、前記取付部に支持棒体の下端部が取付けられて前記箱本体内で上下方向に立設され、
立設状態の支持棒体から側方に延設された支持具により、前記箱本体内に引き込まれた配線・配管材が支持され、
前記支持具は、前記配線・配管材を適宜高さで支持可能とすべく、前記支持棒体に無段階又はほぼ無段階に高さ調整自在に係合して取付けられることを特徴とする地中埋設箱内における配線・配管材の支持構造。
A structure for supporting the wiring and piping material drawn into the box body of the underground box in the box body,
A mounting portion is formed on the bottom wall portion of the box body toward the upper surface opening, and a lower end portion of a support rod is mounted on the mounting portion and vertically erected in the box body,
Wiring and piping materials drawn into the box main body are supported by a support tool extending laterally from the support rod body in an upright state,
The support is fixedly and steplessly or steplessly height-adjustably engaged with the support rod so as to be capable of supporting the wiring and piping material at an appropriate height. Support structure for wiring and piping materials in the middle buried box.
前記取付部は、雌ねじ部であることを特徴とする請求項1に記載の地中埋設箱内における配線・配管材の支持構造。The support structure for wiring and piping materials in an underground box according to claim 1, wherein the attachment portion is a female screw portion. 前記支持棒体は雄ねじ棒であることを特徴とする請求項1又は2に記載の地中埋設箱内における配線・配管材の支持構造。The said support rod body is a male screw rod, The support structure of the wiring and piping material in the underground burying box of Claim 1 or 2 characterized by the above-mentioned. 上面が開口した有底の箱本体を備えた地中埋設箱であって、
前記箱本体内に引き込まれた配線・配管材を支持具を介して支持するための支持棒体を前記箱本体内で上下に立設可能とすべく、前記支持棒体を螺着可能な雌ねじ部が前記上面開口に向けて自身の底壁部に形成されていることを特徴とする地中埋設箱。
An underground box having a box body with a bottom having an open upper surface,
A female screw capable of screwing the support rod so that a support rod for supporting the wiring and piping material drawn into the box main body through a support tool can be vertically set in the box main body. An underground box, wherein a portion is formed on a bottom wall portion of the box toward the upper surface opening.
前記支持棒体は、雄ねじ棒であることを特徴とする請求項4に記載の地中埋設箱。The underground box according to claim 4, wherein the support bar is a male screw bar. 前記箱本体には、内部に引き込まれた配線・配管材を仕切板により区画して収容可能とすべく、前記仕切板を係止させるための仕切板係止部が形成され、
前記雌ねじ部は、前記仕切板により分割された複数の収容空間に前記支持棒体が各々立設可能なように、分割された各収容空間の底壁部にそれぞれ少なくとも一つは形成されていることを特徴とする請求項4又は5に記載の地中埋設箱。
In the box body, a partition plate locking portion for locking the partition plate is formed so that the wiring / piping material drawn into the box body can be partitioned and accommodated by the partition plate,
At least one of the female screw portions is formed on the bottom wall of each of the divided storage spaces so that the support rods can be respectively set up in the plurality of storage spaces divided by the partition plate. The underground box according to claim 4 or 5, wherein:
前記雌ねじ部は、内部の収容空間を二分割する仕切板が縦横のいずれの方向に配置されても、分割された各収容空間の底壁部に配置されるように、底壁部の中心に対して略対称で、しかも略対角線方向に沿って偶数個形成されていることを特徴とする請求項6に記載の地中埋設箱。The female screw portion is disposed at the center of the bottom wall portion so that the partition plate that divides the internal storage space into two is disposed in any of the vertical and horizontal directions, and is disposed on the bottom wall portion of each of the divided storage spaces. The underground box according to claim 6, wherein an even number of the underground boxes are substantially symmetrical with respect to each other, and are formed along the substantially diagonal direction. 地中埋設箱の箱本体内に引き込まれた配線・配管材を前記箱本体内で支持する装置であって、
請求項4に記載の地中埋設箱と、
該地中埋設箱を構成する箱本体の底壁部に形成された雌ねじ部に螺着されて、前記箱本体内に立設される支持棒体と、
前記箱本体内に引き込まれた配線・配管材を適宜高さで支持するために前記支持棒体に高さ調整自在に係合される支持具とを備えていることを特徴とする地中埋設箱内における配線・配管材の支持装置。
An apparatus for supporting wiring and piping materials drawn into the box body of the underground box in the box body,
An underground buried box according to claim 4,
A support rod that is screwed into a female thread formed on the bottom wall of the box body that constitutes the underground box, and that stands upright in the box body;
A support tool that is engaged with the support rod so as to be adjustable in height so as to appropriately support the wiring / piping material drawn into the box body at an appropriate height. A device for supporting wiring and piping in a box.
JP2003145579A 2003-05-23 2003-05-23 Underground box, and support structure and support device for wiring / piping material in underground box Expired - Fee Related JP4125632B2 (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009077559A (en) * 2007-09-21 2009-04-09 Mirai Ind Co Ltd Hand-hole
JP2010281369A (en) * 2009-06-03 2010-12-16 Mirai Ind Co Ltd Wiring-piping material supporting tool
CN106286987A (en) * 2016-08-12 2017-01-04 成都毅诚机电工程有限公司 A kind of air-conditioning duct installing rack
CN109654380A (en) * 2019-02-15 2019-04-19 廊坊华宇天创能源设备有限公司 A kind of line leakage system solar electric power supply system fission imbededd case
JP2019216572A (en) * 2018-06-14 2019-12-19 未来工業株式会社 Wiring and piping material support
CN114156785A (en) * 2021-11-30 2022-03-08 南京苏秦电力设备安装有限公司 Power cable laying process

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009077559A (en) * 2007-09-21 2009-04-09 Mirai Ind Co Ltd Hand-hole
JP2010281369A (en) * 2009-06-03 2010-12-16 Mirai Ind Co Ltd Wiring-piping material supporting tool
CN106286987A (en) * 2016-08-12 2017-01-04 成都毅诚机电工程有限公司 A kind of air-conditioning duct installing rack
JP2019216572A (en) * 2018-06-14 2019-12-19 未来工業株式会社 Wiring and piping material support
JP7075825B2 (en) 2018-06-14 2022-05-26 未来工業株式会社 Support for wiring and piping materials
CN109654380A (en) * 2019-02-15 2019-04-19 廊坊华宇天创能源设备有限公司 A kind of line leakage system solar electric power supply system fission imbededd case
CN114156785A (en) * 2021-11-30 2022-03-08 南京苏秦电力设备安装有限公司 Power cable laying process

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