JP4884016B2

JP4884016B2 - Mounting structure of connecting tool and protective tube connecting device

Info

Publication number: JP4884016B2
Application number: JP2006022238A
Authority: JP
Inventors: 一啓加納
Original assignee: Mirai Kogyo KK
Current assignee: Mirai Kogyo KK
Priority date: 2006-01-31
Filing date: 2006-01-31
Publication date: 2012-02-22
Anticipated expiration: 2026-01-31
Also published as: JP2007205385A

Description

この発明は、配線・配管材を保護する保護管が接続される、連結具の取付構造、および保護管接続装置に関するものである。 The present invention, the protective tube to protect the wires and piping material is connected, the mounting structure of the connector, and in which about the protective tube connection equipment.

従来から、配線ボックスやハンドホール等の、配線・配管材が内部に引き込まれる配設部材に、配線・配管材を保護する保護管を連結するための連結具は、多数存在していた（例えば、特許文献１参照）。図１１に示される連結具３２を例にして説明すると、この連結具３２は、保護管３１が挿入される筒状の本体３３と、その本体３３に螺合する筒状の補助部材３４とから構成されていた。ここで、連結具３２には、本体３３側と補助部材３４側とにフランジ部３３ａ、３４ａが設けられており、それらフランジ部３３ａ、３４ａが、配設部材の壁３０に形成された壁孔３０ａの周縁部を挟持することで、連結具３２が壁孔３０ａに取り付けられた。そして、このとき、本体３３側のフランジ部３３ａと壁３０との間には、平板環状のパッキン３５が配置された。 Conventionally, there are many connecting tools for connecting a protective tube that protects wiring / piping material to an installation member into which wiring / piping material is drawn inside such as a wiring box or a hand hole (for example, , See Patent Document 1). The connecting tool 32 shown in FIG. 11 will be described as an example. The connecting tool 32 includes a cylindrical main body 33 into which the protective tube 31 is inserted and a cylindrical auxiliary member 34 screwed into the main body 33. Was composed. Here, the connector 32 is provided with flange portions 33a, 34a on the main body 33 side and the auxiliary member 34 side, and these flange portions 33a, 34a are wall holes formed in the wall 30 of the arrangement member. The connector 32 was attached to the wall hole 30a by pinching the peripheral edge of 30a. At this time, a flat plate-like packing 35 is disposed between the flange portion 33 a on the main body 33 side and the wall 30.

特開２００２−１８１２６８号公報（段落番号００２９、図１２、図１３）JP 2002-181268 A (paragraph number 0029, FIG. 12, FIG. 13)

しかし、前記従来の連結具３２は、平板状の壁３０に対するものであった。そのため、この連結具３２を、湾曲した壁に形成された壁孔に取り付けると、パッキン３５が壁と均一に接触することがなく、パッキン３５の全体をしっかりと押圧することができなかった。 However, the conventional connector 32 is for the flat wall 30. For this reason, when the connector 32 is attached to a wall hole formed in a curved wall, the packing 35 does not uniformly contact the wall and the entire packing 35 cannot be pressed firmly.

この発明は、上記した従来の欠点を解決するためになされたものであり、その目的とするところは、パッキンの全体をしっかりと押圧することができる、連結具の取付構造、および保護管接続装置を提供することにある。 The present invention has been made to solve the above-described conventional drawbacks, and an object of the present invention is to provide an attachment structure for a connector, and a protective tube connecting device that can firmly press the entire packing. Is to provide a place.

この発明に係る連結具の取付構造、および保護管接続装置は、前記目的を達成するために、次の構成からなる。すなわち、
請求項１に記載の発明に係る連結具の取付構造は、配線・配管材を保護する保護管が接続される中空筒状の連結具を、断面弧状に湾曲する壁の壁孔に取り付ける取付構造である。ここで、前記連結具は、前記保護管を接続可能な接続部と、前記壁孔の周縁部を隔てて互いに平行位置して対向する挟持面を有する一対の挟持部と、前記壁孔の周縁部を挟持するように前記挟持部を互いに近接させる螺合部とを備える。また、前記連結具は、第１部材と第２部材とからなる。前記第１部材は、前記壁を間に置く一側から前記壁孔を挿通して前記壁を間に置く他側に突出する第１筒部を備える。そして、その第１筒部には、前記壁を間に置く前記一側にて鍔状に延出する、前記挟持部となる第１挟持部が設けられる。一方、前記第２部材は、前記壁を間に置く前記他側に位置して前記第１筒部の外側に嵌まる第２筒部を備える。そして、その第２筒部には、前記壁側に前記挟持部となる第２挟持部が設けられるとともに、前記壁とは反対側に前記接続部が設けられる。そこで、前記螺合部は、前記第１筒部に設けられる雄ねじ部と、前記第２筒部に設けられて前記雄ねじ部と螺合する雌ねじ部とからなる。そして、前記第２挟持部と前記壁との間に、環状に形成されて前記第１筒部の外側に嵌められるパッキンが介在する。このパッキンは、前記第２挟持部側に位置する第１の面が、その第２挟持部の挟持面と平行となるように形成され、前記壁側に位置する第２の面が、その壁の湾曲と対応する湾曲面となるように形成される。また、前記壁を間に置く前記一側が、その壁の内周側となり、その内周側に位置する前記第１挟持部は、両側方に、互いに平行となる直線部を備え、それら直線部は、断面弧状に湾曲する前記壁の内周の母線方向に沿うように配置されて、その内周に前記母線方向に沿って当接する。 Mounting structure for connector according to the present invention and the protective tube connection equipment, in order to achieve the object, comprising the following configuration. That is,
The attachment structure of the connector according to the first aspect of the invention is an attachment structure for attaching a hollow cylindrical connector to which a protective tube for protecting wiring / piping material is connected to a wall hole of a wall curved in an arc shape. It is. Here, the coupling tool includes a connection part to which the protective tube can be connected, a pair of clamping parts having a clamping surface facing each other in parallel with the peripheral part of the wall hole, and a peripheral part of the wall hole And a screwing portion that brings the holding portions close to each other so as to hold the portions. Moreover, the said connector consists of a 1st member and a 2nd member. The first member includes a first tube portion that protrudes from one side of the wall between the wall holes to the other side of the wall hole. And the 1st clamping part which becomes the said clamping part extended in the bowl shape on the said one side which puts the said wall in the 1st cylinder part is provided. On the other hand, the second member includes a second cylindrical portion that is located on the other side with the wall interposed therebetween and fits outside the first cylindrical portion. And the 2nd clamping part which becomes the said clamping part on the said wall side is provided in the 2nd cylinder part, and the said connection part is provided in the opposite side to the said wall. Therefore, the screwing portion includes a male screw portion provided in the first tube portion and a female screw portion provided in the second tube portion and screwed with the male screw portion. And between the said 2nd clamping part and the said wall, the packing formed in cyclic | annular form and fitted by the outer side of the said 1st cylinder part interposes. The packing is formed such that the first surface located on the second clamping part side is parallel to the clamping surface of the second clamping part, and the second surface located on the wall side is the wall It is formed so that it may become a curved surface corresponding to the curvature of. The one side with the wall in between is the inner peripheral side of the wall, and the first sandwiching portion located on the inner peripheral side is provided with straight portions parallel to each other on both sides, and the straight portions Is arranged along the generatrix direction of the inner circumference of the wall that curves in a cross-sectional arc shape, and abuts the inner circumference along the generatrix direction.

これにより、連結具は、一対の挟持部が壁孔の周縁部を挟持することで、その壁孔に取り付けられる。そして、連結具の接続部には、保護管が接続され、こうして、保護管は、連結具により、壁に連結される。ここで、第２挟持部と壁との間に介在するパッキンは、第２挟持部側に位置する第１の面がその第２挟持部の挟持面と平行であり、壁側に位置する第２の面がその壁の湾曲と対応する湾曲面となるように形成されているので、このパッキンは、第２挟持部と壁との間に、ぴったりと嵌まる。また、第１挟持部は、壁を間に置く一側となる壁の内周側に位置する。そして、この壁の内周側に位置する第１挟持部の直線部が、断面弧状に湾曲する壁の内周の母線方向に沿うように配置されて、その内周に前記母線方向に沿って当接するため、この第１挟持部を備える第１部材は、壁に対して回り止めされる。したがって、第１部材に対して第２部材を回動して、第１部材の雄ねじ部に第２部材の雌ねじ部をねじ込んだ際に、第１部材が、第２部材と共回りするのを防ぐことができる。 Thereby, a coupling tool is attached to the wall hole because a pair of clamping part clamps the peripheral part of a wall hole. A protective tube is connected to the connecting portion of the coupler, and thus the protective tube is coupled to the wall by the coupler. Here, a packing interposed between the second clamping portion and the wall has a first surface located on the second pinching portion is parallel to the clamping face of the second clamping portion, the position on the wall side Since the second surface is formed to be a curved surface corresponding to the curvature of the wall, this packing fits tightly between the second sandwiching portion and the wall. Moreover, the 1st clamping part is located in the inner peripheral side of the wall used as the one side which puts a wall in between. And the linear part of the 1st clamping part located in the inner peripheral side of this wall is arrange | positioned along the bus-line direction of the inner periphery of the wall which curves in a cross-sectional arc shape, and it follows the said bus-line direction in the inner periphery In order to contact, the 1st member provided with this 1st clamping part is stopped with respect to a wall. Therefore, when the second member is rotated with respect to the first member and the female screw portion of the second member is screwed into the male screw portion of the first member, the first member rotates together with the second member. Can be prevented.

また、請求項２に記載の発明に係る連結具の取付構造は、請求項１に記載の取付構造において、前記第２挟持部の回動に伴って前記パッキンが共回りするのを抑制する共回り抑制手段を備える。 In addition, the attachment structure for a connector according to the invention described in claim 2 is the attachment structure according to claim 1 , wherein the packing is prevented from rotating together with the rotation of the second clamping portion. A rotation suppression means is provided.

また、請求項３に記載の発明に係る連結具の取付構造は、請求項２に記載の取付構造において、前記共回り抑制手段は、前記第２挟持部の回動に前記パッキンが追従することがないように、それら第２挟持部とパッキンとの間に配置されるスペーサー部材からなる。 Moreover, the attachment structure of the connector which concerns on invention of Claim 3 is the attachment structure of Claim 2. WHEREIN: As for the said joint rotation suppression means, the said packing follows the rotation of a said 2nd clamping part. The spacer member is disposed between the second sandwiching portion and the packing so that there is no problem.

また、請求項４に記載の発明に係る保護管接続装置は、保護管内に挿通された配線・配管材を内部に引き込む壁孔を断面円形の壁に有する中空円筒状のハンドホールと、前記壁孔に取り付けられる中空筒状の連結具と、環状に形成されたパッキンとを備える。ここで、前記連結具は、前記保護管を接続可能な接続部と、前記壁孔の周縁部を隔てて互いに平行位置して対向する挟持面を有する一対の挟持部と、前記壁孔の周縁部を挟持するように前記挟持部を互いに近接させる螺合部とを備える。また、前記連結具は、第１部材と第２部材とからなる。前記第１部材は、前記ハンドホールの内側から前記壁孔を挿通して前記ハンドホールの外側に突出する第１筒部を備える。そして、その第１筒部には、前記ハンドホールの内側にて鍔状に延出する、前記挟持部となる第１挟持部が設けられる。一方、前記第２部材は、前記ハンドホールの外側に位置して前記第１筒部の外側に嵌まる第２筒部を備える。そして、その第２筒部には、前記壁側に前記挟持部となる第２挟持部が設けられるとともに、前記壁とは反対側に前記接続部が設けられる。そこで、前記螺合部は、前記第１筒部に設けられる雄ねじ部と、前記第２筒部に設けられて前記雄ねじ部と螺合する雌ねじ部とからなる。また、前記パッキンは、前記ハンドホールの外側にて、前記第１筒部の外側に嵌められるようにして前記第２挟持部と前記壁との間に介在する。そして、このパッキンは、前記第２挟持部側に位置する第１の面が、その第２挟持部の挟持面と平行となるように形成され、前記壁側に位置する第２の面が、その壁の湾曲と対応する湾曲面となるように形成される。また、前記ハンドホールの内側に位置する前記第１挟持部は、両側方に、互いに平行となる直線部を備え、それら直線部は、断面円形の前記壁の内周の母線方向に沿うように配置されて、その内周に前記母線方向に沿って当接する。 According to a fourth aspect of the present invention, there is provided a protective tube connecting device comprising: a hollow cylindrical hand hole having a wall hole in a circular cross-section, into which a wiring / pipe material inserted into the protective tube is drawn; A hollow cylindrical connector attached to the hole and an annular packing are provided. Here, the coupling tool includes a connection part to which the protective tube can be connected, a pair of clamping parts having a clamping surface facing each other in parallel with the peripheral part of the wall hole, and a peripheral part of the wall hole And a screwing portion that brings the holding portions close to each other so as to hold the portions. Moreover, the said connector consists of a 1st member and a 2nd member. The first member includes a first tube portion that passes through the wall hole from the inside of the hand hole and protrudes to the outside of the hand hole. And the 1st clamping part used as the said clamping part extended in the bowl shape inside the said hand hole is provided in the 1st cylinder part. On the other hand, the second member includes a second cylinder portion that is located outside the handhole and fits outside the first cylinder portion. And the 2nd clamping part which becomes the said clamping part on the said wall side is provided in the 2nd cylinder part, and the said connection part is provided in the opposite side to the said wall. Therefore, the screwing portion includes a male screw portion provided in the first tube portion and a female screw portion provided in the second tube portion and screwed with the male screw portion. The packing is interposed between the second sandwiching portion and the wall so as to be fitted to the outside of the first tube portion outside the hand hole . And this packing is formed so that the 1st surface located in the 2nd clamping part side may become parallel to the clamping surface of the 2nd clamping part, and the 2nd surface located in the wall side is, It is formed to have a curved surface corresponding to the curvature of the wall. In addition, the first sandwiching portion located inside the hand hole includes linear portions that are parallel to each other on both sides, and the linear portions are along the generatrix direction of the inner periphery of the wall having a circular cross section. It arrange | positions and contact | abuts to the inner periphery along the said bus-line direction.

これにより、連結具は、一対の挟持部が壁孔の周縁部を挟持することで、その壁孔に取り付けられる。そして、連結具の接続部には、保護管が接続され、こうして、保護管は、連結具により、壁に連結される。ここで、第２挟持部と壁との間に介在するパッキンは、第２挟持部側に位置する第１の面がその第２挟持部の挟持面と平行であり、壁側に位置する第２の面がその壁の湾曲と対応する湾曲面となるように形成されているので、このパッキンは、第２挟持部と壁との間に、ぴったりと嵌まる。また、ハンドホールの内側に位置する第１挟持部の直線部が、断面円形の壁の内周の母線方向に沿うように配置されて、その内周に前記母線方向に沿って当接するため、この第１挟持部を備える第１部材は、壁に対して回り止めされる。したがって、第１部材に対して第２部材を回動して、第１部材の雄ねじ部に第２部材の雌ねじ部をねじ込んだ際に、第１部材が、第２部材と共回りするのを防ぐことができる。 Thereby, a coupling tool is attached to the wall hole because a pair of clamping part clamps the peripheral part of a wall hole. A protective tube is connected to the connecting portion of the coupler, and thus the protective tube is coupled to the wall by the coupler. Here, a packing interposed between the second clamping portion and the wall has a first surface located on the second pinching portion is parallel to the clamping face of the second clamping portion, the position on the wall side Since the second surface is formed to be a curved surface corresponding to the curvature of the wall, this packing fits tightly between the second sandwiching portion and the wall. In addition, since the straight portion of the first sandwiching portion located inside the hand hole is arranged along the busbar direction of the inner circumference of the wall having a circular cross section, and contacts the inner circumference along the busbar direction, The 1st member provided with this 1st clamping part is stopped with respect to a wall. Therefore, when the second member is rotated with respect to the first member and the female screw portion of the second member is screwed into the male screw portion of the first member, the first member rotates together with the second member. Can be prevented.

この発明に係る連結具の取付構造、および保護管接続装置によれば、パッキンが挟持部と壁との間にぴったりと嵌まるので、挟持部と壁とでパッキンの全体をしっかりと押圧することができる。しかも、第１挟持部の直線部が、壁の内周に母線方向に沿って当接して、この第１挟持部を備える第１部材が、壁に対して回り止めされることから、第１部材に対して第２部材を回動して、第１部材の雄ねじ部に第２部材の雌ねじ部をねじ込んだ際に、第１部材が、第２部材と共回りするのを防ぐことができる。 Mounting structure for connector according to the present invention, and according to the protective tube connection equipment, to firmly press the entire packing in so snugly fits, the clamping portion and the wall between the packing sandwiching portion and the wall be able to. In addition, since the straight portion of the first holding portion abuts the inner periphery of the wall along the generatrix direction, the first member including the first holding portion is prevented from rotating with respect to the wall. When the second member is rotated with respect to the member and the female screw portion of the second member is screwed into the male screw portion of the first member, the first member can be prevented from rotating together with the second member. .

以下、この発明を実施するための最良の形態を図面に基づいて説明する。 The best mode for carrying out the present invention will be described below with reference to the drawings.

図１〜図１０は、本発明の一実施の形態を示す。図中符号１は、配線・配管材（配線材または配管材）を保護する保護管である。２は、前記保護管１が接続される中空筒状の連結具である。３は、断面弧状に湾曲する壁である。４は、前記連結具２を、前記壁３の壁孔３ａに取り付ける取付構造である。５は、環状に形成されたパッキンであって、前記連結具２を、前記壁孔３ａに取り付けるのに用いられる。 1 to 10 show an embodiment of the present invention. Reference numeral 1 in the figure denotes a protective tube that protects the wiring / piping material (wiring material or piping material). 2 is a hollow cylindrical connector to which the protective tube 1 is connected. Reference numeral 3 denotes a wall curved in an arc shape in cross section. Reference numeral 4 denotes an attachment structure for attaching the connector 2 to the wall hole 3 a of the wall 3. Reference numeral 5 denotes an annular packing, which is used to attach the connector 2 to the wall hole 3a.

連結具２は、図１〜図６に示すように、保護管１を接続可能な接続部２ａと、壁孔３ａの周縁部を隔てて互いに平行位置して対向する挟持面２ｂ、２ｂを有する一対の挟持部２ｃ、２ｃと、壁孔３ａの周縁部を挟持するように挟持部２ｃ、２ｃを互いに近接させる螺合部２ｄとを備える。ここにおいて、挟持部２ｃ、２ｃの少なくとも一方と壁３との間に、前記パッキン５が介在する。このパッキン５は、前記一方の挟持部２ｃ側に位置する第１の面５ａが、その挟持部２ｃの挟持面２ｂと平行となるように形成され、壁３側に位置する第２の面５ｂが、その壁３の湾曲と対応する湾曲面となるように形成されている。そして、このパッキン５には、前記第２の面５ｂの湾曲の方向が壁３の湾曲の方向を向くように配置するための、目印５ｃ、５ｃが設けられている（図２〜図４参照）。図示実施の形態においては、この目印５ｃ、５ｃは、突起からなり、パッキン５の最も肉厚の薄い部分における外周面に設けられているが、最も肉厚の厚い部分における外周面に設ける等、その他の位置に設けても構わない。また、目印５ｃは、突起からならなくとも、窪みとかラインとかからなっていてもよい。 As shown in FIGS. 1 to 6, the connector 2 includes a connecting portion 2 a to which the protective tube 1 can be connected, and sandwiching surfaces 2 b and 2 b facing each other in parallel with each other with a peripheral edge portion of the wall hole 3 a. A pair of sandwiching portions 2c, 2c and a screwing portion 2d for bringing the sandwiching portions 2c, 2c close to each other so as to sandwich the peripheral portion of the wall hole 3a are provided. Here, the packing 5 is interposed between at least one of the sandwiching portions 2 c and 2 c and the wall 3. The packing 5 is formed such that the first surface 5a located on the one sandwiching portion 2c side is parallel to the sandwiching surface 2b of the sandwiching portion 2c, and the second surface 5b located on the wall 3 side. Is formed to have a curved surface corresponding to the curvature of the wall 3. The packing 5 is provided with marks 5c and 5c for arranging the second surface 5b so that the curve direction of the second surface 5b faces the curve direction of the wall 3 (see FIGS. 2 to 4). ). In the illustrated embodiment, the marks 5c and 5c are made of protrusions and are provided on the outer peripheral surface of the thinnest part of the packing 5, but are provided on the outer peripheral surface of the thickest part. You may provide in another position. Further, the mark 5c may not be formed of a protrusion but may be formed of a depression or a line.

また、取付構造４は、前記一方の挟持部２ｃの回動に伴ってパッキン５が共回りするのを抑制する共回り抑制手段６を備えている。そして、この共回り抑制手段６は、前記一方の挟持部２ｃの回動にパッキン５が追従することがないように、それら、挟持部２ｃとパッキン５との間に配置されるスペーサー部材６ａからなる。 Moreover, the attachment structure 4 is provided with the joint rotation suppression means 6 which suppresses that the packing 5 rotates together with rotation of said one clamping part 2c. The co-rotation suppressing means 6 is provided from the spacer member 6a disposed between the sandwiching portion 2c and the packing 5 so that the packing 5 does not follow the rotation of the one sandwiching portion 2c. Become.

詳細には、連結具２は、第１部材７と第２部材８とからなる。第１部材７は、壁３を間に置く一側から壁孔３ａを挿通して壁３を間に置く他側に突出する第１筒部７ａを備える。そして、第１筒部７ａには、壁３を間に置く前記一側にて鍔状に延出する、前記挟持部２ｃとなる第１挟持部７ｂが設けられている。一方、第２部材８は、壁３を間に置く前記他側に位置して第１筒部７ａの外側に嵌まる第２筒部８ａを備える。そして、第２筒部８ａには、壁３側に、前記挟持部２ｃとなる第２挟持部８ｂが設けられるとともに、壁３とは反対側に、前記接続部２ａが設けられている。また、前記螺合部２ｄは、第１筒部７ａの外周に設けられる雄ねじ部７ｃと、第２筒部８ａの内周に設けられて雄ねじ部７ｃと螺合する雌ねじ部８ｃとからなる。そして、前記パッキン５が、壁３を間に置く前記他側にて、第１筒部７ａの外側に嵌められることで、前記第２挟持部８ｂが、前記一方の挟持部２ｃとなっている。 Specifically, the connector 2 includes a first member 7 and a second member 8. The 1st member 7 is provided with the 1st cylinder part 7a which penetrates the wall hole 3a from one side which puts the wall 3 in between, and protrudes in the other side which puts the wall 3 in between. And the 1st cylinder part 7a is provided with the 1st clamping part 7b used as the said clamping part 2c extended in the bowl shape on the said one side which has the wall 3 in between. On the other hand, the second member 8 includes a second cylindrical portion 8a that is located on the other side with the wall 3 interposed therebetween and fits outside the first cylindrical portion 7a. The second cylindrical portion 8a is provided with a second clamping portion 8b serving as the clamping portion 2c on the wall 3 side, and the connecting portion 2a is provided on the opposite side to the wall 3. The screwing portion 2d includes a male screw portion 7c provided on the outer periphery of the first tube portion 7a and a female screw portion 8c provided on the inner periphery of the second tube portion 8a and screwed with the male screw portion 7c. And the said 2nd clamping part 8b becomes the said one clamping part 2c because the said packing 5 is fitted in the outer side of the 1st cylinder part 7a in the said other side which puts the wall 3 in between. .

また、ここで、壁３を間に置く前記一側が、その壁３の内周３ｂ側となっている。したがって、第１部材７における第１挟持部７ｂは、壁３の内周３ｂ側に位置し、第２部材８における第２挟持部８ｂおよび前記パッキン５は、壁３の外周３ｃ側に位置することとなる。そこで、前記第１挟持部７ｂは、両側方に、互いに平行となる直線部７ｄ、７ｄを備え、それら直線部７ｄ、７ｄは、壁３の内周３ｂの母線方向に沿うように配置される。 Here, the one side with the wall 3 interposed therebetween is the inner peripheral 3b side of the wall 3. Therefore, the first clamping part 7b in the first member 7 is located on the inner circumference 3b side of the wall 3, and the second clamping part 8b and the packing 5 in the second member 8 are located on the outer circumference 3c side of the wall 3. It will be. Therefore, the first sandwiching portion 7b includes linear portions 7d and 7d that are parallel to each other on both sides, and the linear portions 7d and 7d are arranged along the generatrix direction of the inner periphery 3b of the wall 3. .

具体的には、前記壁３は、中空円筒状の配設部材としてのハンドホール９における、断面円形の周壁からなる。そして、前記壁孔３ａは、この壁３に明けられて、保護管１内に挿通された配線・配管材（図示せず）をハンドホール９の内部に引き込む孔となっている。ところで、符号１０は、保護管接続装置であって、前記ハンドホール９と、前記壁孔３ａに取り付けられる前記連結具２と、前記パッキン５と、前記スペーサー部材６ａとを備えている。 Specifically, the wall 3 is a peripheral wall having a circular cross section in the hand hole 9 as a hollow cylindrical arrangement member. The wall hole 3 a is a hole that opens in the wall 3 and draws wiring / pipe material (not shown) inserted into the protective tube 1 into the hand hole 9. By the way, the code | symbol 10 is a protective tube connection apparatus, Comprising: The said hand hole 9, the said coupling tool 2 attached to the said wall hole 3a, the said packing 5, and the said spacer member 6a are provided.

また、連結具２を構成する第１部材７においては、第１挟持部７ｂは、その外形が正八角形をしており、その対向する二辺が、前述の互いに平行となる直線部７ｄ、７ｄとなっている（図６参照）。第２部材８は、第２部材本体１１と、係止部材１２とからなる。ここで、第２部材本体１１は、一方側に、前記第２挟持部８ｂと前記雌ねじ部８ｃが設けられ、他方側が、保護管１の先端部分が収容される前記接続部２ａとなっている。係止部材１２は、ビス等の固着具１３、１３を用いて、第２部材本体１１に取り付けられるものであり、内方に突出する係合突部１２ａを備えている。そして、この係合突部１２ａが、波付き管からなる保護管１の凹溝１ａに係合することで、保護管１は、連結具２に接続される。パッキン５は、例えばゴム製であって、ハンドホール９の外側にて、挟持部２ｃ、２ｃの一方（図示実施の形態においては、第２挟持部８ｂ）と壁３との間に介在している。スペーサー部材６ａは、例えば、合成樹脂製のシート材からなり、リング状に形成されている。 Moreover, in the 1st member 7 which comprises the coupling tool 2, the external shape of the 1st clamping part 7b is a regular octagon, The 2 sides which the opposing sides parallel to mutually mentioned above are parallel 7d, 7d. (See FIG. 6). The second member 8 includes a second member main body 11 and a locking member 12. Here, the second member main body 11 is provided with the second clamping portion 8b and the female screw portion 8c on one side, and the other side is the connection portion 2a in which the distal end portion of the protective tube 1 is accommodated. . The locking member 12 is attached to the second member main body 11 using fixing tools 13, 13 such as screws, and includes an engaging protrusion 12a protruding inward. And the protection tube 1 is connected to the connector 2 by this engagement protrusion part 12a engaging with the concave groove 1a of the protection tube 1 which consists of a corrugated tube. The packing 5 is made of, for example, rubber, and is interposed between one of the sandwiching portions 2 c and 2 c (in the illustrated embodiment, the second sandwiching portion 8 b) and the wall 3 outside the hand hole 9. Yes. The spacer member 6a is made of, for example, a synthetic resin sheet material and is formed in a ring shape.

また、ハンドホール９は、例えば合成樹脂製であって、下から順に、下蓋１４、本体１５、枠体１６、蓋受け１７および蓋１８によって構成されている。 The hand hole 9 is made of, for example, a synthetic resin, and includes a lower lid 14, a main body 15, a frame body 16, a lid receiver 17 and a lid 18 in order from the bottom.

下蓋１４は、底壁１４ａと、その底壁１４ａから上方に突設された円筒状の筒部１４ｂとからなる。底壁１４ａには、筒部１４ｂよりも外方に張り出した張出部１４ｃが設けられており、この張出部１４ｃには、ハンドホール９を地中の基礎面に固定するための孔１４ｄが設けられている。また、底壁１４ａの上面には、仕切受け１４ｅ、１４ｅが設けられている（図７参照）。この仕切受け１４ｅは、ハンドホール９内を仕切り板（図示せず）によって仕切る際に、その仕切り板を支持するものであり、仕切り板を挟む一対の突片１４ｆ、１４ｆからなる。もっとも、仕切り板が壁３に当接する場合には、その壁３と仕切受け１４ｅとが協同で仕切り板を支持することとなり、特に、仕切り板が、ハンドホール９内を二分する直径位置に配置される場合には、仕切り板は、壁３によって倒れ止めされ、仕切受け１４ｅによって回り止めされる。 The lower lid 14 includes a bottom wall 14a and a cylindrical tube portion 14b protruding upward from the bottom wall 14a. The bottom wall 14a is provided with an overhanging portion 14c projecting outward from the cylindrical portion 14b. The overhanging portion 14c has a hole 14d for fixing the handhole 9 to the foundation surface in the ground. Is provided. Further, partition receivers 14e and 14e are provided on the upper surface of the bottom wall 14a (see FIG. 7). The partition receiver 14e supports the partition plate when the inside of the hand hole 9 is partitioned by a partition plate (not shown), and includes a pair of projecting pieces 14f and 14f that sandwich the partition plate. However, when the partition plate abuts against the wall 3, the wall 3 and the partition receiver 14e cooperate to support the partition plate, and in particular, the partition plate is disposed at a diameter position that bisects the inside of the hand hole 9. In this case, the partition plate is prevented from falling by the wall 3 and is prevented from rotating by the partition receiver 14e.

本体１５は、断面円形のパイプ材からなり、この本体１５の壁が、前記壁孔３ａが設ける壁３となっている。 The main body 15 is made of a pipe material having a circular cross section, and the wall of the main body 15 is the wall 3 provided by the wall hole 3a.

枠体１６は、平板リング状の枠部１６ａと、その枠部１６ａの内周縁付近から下方に突設された円筒状の筒部１６ｂとからなる。また、枠体１６には、その枠部１６ａに、取付孔１６ｃ、１６ｃが明けられている。そして、この取付孔１６ｃは、円孔１６１と長孔１６２との二種類設けられている（図８参照）。また、この枠部１６ａの上面には、内周縁部に、その上面から窪んだ段部１６ｄが設けられている。そして、下蓋１４と枠体１６とは、それらの筒部１４ｂ、１６ｂが、本体１５の下端部分および上端部分にそれぞれ嵌められて、その本体１５の下端部分および上端部分に、例えば接着により接合されている。 The frame body 16 includes a flat plate ring-shaped frame portion 16a and a cylindrical tube portion 16b projecting downward from the vicinity of the inner peripheral edge of the frame portion 16a. The frame body 16 is provided with mounting holes 16c and 16c in the frame portion 16a. And this attachment hole 16c is provided with two types, the circular hole 161 and the long hole 162 (refer FIG. 8). Further, on the upper surface of the frame portion 16a, a step portion 16d recessed from the upper surface is provided on the inner peripheral edge portion. The lower lid 14 and the frame 16 are joined to the lower end portion and the upper end portion of the main body 15 by, for example, bonding, with their cylindrical portions 14b and 16b fitted into the lower end portion and the upper end portion of the main body 15, respectively. Has been.

蓋受け１７は、円筒状の起立壁１７ａと、その起立壁１７ａの下端から外方に延びる第１延出部１７ｂと、起立壁１７ａの下端から内方に延びる第２延出部１７ｃと、その第２延出部１７ｃの先端から上方に延びる第３延出部１７ｄを備えてる。そして、第１延出部１７ｂには、切欠きからなる取付孔１７ｅが明けられている。また、第２延出部１７ｃの下面には、内周縁部に、その下面から窪んだ段部１７ｆが設けられている。第３延出部１７ｄの基端には、内方に向かって突出する第１および第２の突出部１７ｇ、１７ｈが設けられており、これら突出部１７ｇ、１７ｈのそれぞれには、第１および第２の孔１７ｉ、１７ｊが明けられている。そこで、この蓋受け１７は、枠体１６に、ボルト１９とナット２０を用いて取り付け固定される。すなわち、ボルト１９が、蓋受け１７の第１延出部１７ｂの上から、蓋受け１７の取付孔１７ｅと枠体１６の取付孔１６ｃ（例えば、円孔１６１）を通り、枠体１６における枠部１６ａの下面側に配備されたナット２０にねじ込まれる。 The lid receiver 17 includes a cylindrical standing wall 17a, a first extending portion 17b extending outward from the lower end of the standing wall 17a, a second extending portion 17c extending inward from the lower end of the standing wall 17a, A third extending portion 17d extending upward from the tip of the second extending portion 17c is provided. A mounting hole 17e made of a notch is opened in the first extending portion 17b. Further, on the lower surface of the second extending portion 17c, a step portion 17f recessed from the lower surface is provided on the inner peripheral edge portion. First and second projecting portions 17g and 17h projecting inward are provided at the base end of the third extending portion 17d. The projecting portions 17g and 17h include first and second projecting portions 17g and 17h, respectively. Second holes 17i and 17j are opened. Therefore, the lid receiver 17 is attached and fixed to the frame 16 using bolts 19 and nuts 20. That is, the bolt 19 passes from above the first extension portion 17 b of the lid receiver 17 through the attachment hole 17 e of the lid receiver 17 and the attachment hole 16 c (for example, the circular hole 161) of the frame body 16, and the frame in the frame body 16. It is screwed into the nut 20 provided on the lower surface side of the portion 16a.

蓋１８は、円盤形状をしており、その周縁部からは、下方に延びる延出部１８ａが設けられている。また、蓋１８の上面には、凹部１８ｂが設けられ、蓋１８の下面には、孔１８ｃが明けられた突出部１８ｄが設けられている。そこで、蓋１８は、蓋受け１７における起立壁１７ａの内側に嵌められる。このとき、蓋１８は、その延出部１８ａが、起立壁１７ａと第３延出部１７ｄとの間の溝に入り、蓋１８の下面が第３延出部１７ｄによって支持される。そして、場合によっては、蓋１８の凹部１８ｂの底面に通孔（図示せず）を穿設することで、その通孔と蓋受け１７の第１の孔１７ｉとを挿通するボルトとそのボルトに螺合するナットにより、蓋１８を、蓋受け１７に固定することができる。また、他に、蓋１８に設けられた突出部１８ｄと、蓋受け１７に設けられた第２の突出部１７ｈとを、それらの孔１８ｃ、１７ｊを利用してチェーン等で繋げることもできる。こうして、蓋１８が、チェーン等で蓋受け１７に繋がることで、蓋１８の紛失を避けることができる。 The lid | cover 18 is carrying out the disk shape, and the extension part 18a extended below is provided from the peripheral part. Further, a concave portion 18b is provided on the upper surface of the lid 18, and a projecting portion 18d having a hole 18c is provided on the lower surface of the lid 18. Therefore, the lid 18 is fitted inside the upright wall 17 a of the lid receiver 17. At this time, the extension 18a of the lid 18 enters the groove between the standing wall 17a and the third extension 17d, and the lower surface of the lid 18 is supported by the third extension 17d. In some cases, a through hole (not shown) is formed in the bottom surface of the concave portion 18b of the lid 18 so that the bolt and the bolt through which the through hole and the first hole 17i of the lid receiver 17 are inserted. The lid 18 can be fixed to the lid receiver 17 by a nut to be screwed. In addition, the protruding portion 18d provided on the lid 18 and the second protruding portion 17h provided on the lid receiver 17 can be connected by a chain or the like using the holes 18c and 17j. In this way, the lid 18 is connected to the lid receiver 17 by a chain or the like, so that the loss of the lid 18 can be avoided.

図９は、ハンドホール９の高さ寸法を調節する場合を示しており、枠体１６と蓋受け１７との間に、高さ調節用の筒体２１が挿入されている。詳細には、この筒体２１は、下端部が枠体１６の段部１６ｄに嵌められ、上端部が蓋受け１７の段部１７ｆに嵌められている。そして、筒体２１が、ボルト１９とナット２０により、枠体１６と蓋受け１７とに挟み込まれるようにして、筒体２１と蓋受け１７とは、枠体１６に取り付け固定される。すなわち、ボルト１９が、蓋受け１７の第１延出部１７ｂの上から、蓋受け１７の取付孔１７ｅと枠体１６の取付孔１６ｃ（例えば、円孔１６１）を通り、枠体１６における枠部１６ａの下面側に配備されたナット２０にねじ込まれる。この筒体２１は、本体１５と同様に、断面円形のパイプ材からなり、そのパイプ材が、ハンドホール９の高さ寸法が必要な高さとなるように、適宜長さに切断されたり、予め切断された各種長さの筒体から選択されたりする。 FIG. 9 shows a case where the height dimension of the hand hole 9 is adjusted, and a height adjusting cylinder 21 is inserted between the frame body 16 and the lid receiver 17. Specifically, the lower end portion of the cylindrical body 21 is fitted to the step portion 16 d of the frame body 16, and the upper end portion is fitted to the step portion 17 f of the lid receiver 17. The cylinder body 21 and the lid receiver 17 are attached and fixed to the frame body 16 so that the cylinder body 21 is sandwiched between the frame body 16 and the lid receiver 17 by the bolt 19 and the nut 20. That is, the bolt 19 passes from above the first extension portion 17 b of the lid receiver 17 through the attachment hole 17 e of the lid receiver 17 and the attachment hole 16 c (for example, the circular hole 161) of the frame body 16, and the frame in the frame body 16. It is screwed into the nut 20 provided on the lower surface side of the portion 16a. This cylindrical body 21 is made of a pipe material having a circular cross section, like the main body 15, and the pipe material is appropriately cut to a length so that the height dimension of the hand hole 9 is required. Or selected from various lengths of cut cylinders.

図１０は、蓋１８の上面を傾斜させて配備する場合を示しており、枠体１６と蓋受け１７との間に、傾斜の角度調節用の筒体２２が挿入されている。この筒体２２は、高さ調節用の筒体２１と同様に、下端部が枠体１６の段部１６ｄに嵌められ、上端部が蓋受け１７の段部１７ｆに嵌められている。そして、筒体２２が、ボルト１９とナット２０により、枠体１６と蓋受け１７とに挟み込まれるようにして、筒体２２と蓋受け１７とは、枠体１６に取り付け固定される。すなわち、ボルト１９が、蓋受け１７の第１延出部１７ｂの上から、蓋受け１７の取付孔１７ｅと枠体１６の取付孔１６ｃ（例えば、長孔１６２）を通り、枠体１６における枠部１６ａの下面側に配備されたナット２０にねじ込まれる。そして、この筒体２２は、本体１５と同様に、断面円形のパイプ材からなるが、下面に対して上面が傾斜するように形成されている。そして、枠体１６の段部１６ｄと蓋受け１７の段部１７ｆとの一方あるいは両方は、この筒体２２が嵌まることができるように、筒体２２の外径よりも、若干大きな径となるように形成されている。 FIG. 10 shows a case where the upper surface of the lid 18 is inclined, and a cylinder body 22 for adjusting the inclination angle is inserted between the frame body 16 and the lid receiver 17. Similar to the height adjusting cylinder 21, the lower end portion of the cylindrical body 22 is fitted to the step portion 16 d of the frame body 16, and the upper end portion is fitted to the step portion 17 f of the lid receiver 17. The cylindrical body 22 and the lid receiver 17 are attached and fixed to the frame body 16 so that the cylindrical body 22 is sandwiched between the frame body 16 and the lid receiver 17 by the bolt 19 and the nut 20. That is, the bolt 19 passes from above the first extending portion 17 b of the lid receiver 17 through the attachment hole 17 e of the lid receiver 17 and the attachment hole 16 c (for example, the long hole 162) of the frame body 16, and the frame in the frame body 16. It is screwed into the nut 20 provided on the lower surface side of the portion 16a. The cylindrical body 22 is made of a pipe material having a circular cross section, like the main body 15, but is formed so that the upper surface is inclined with respect to the lower surface. One or both of the step portion 16d of the frame body 16 and the step portion 17f of the lid receiver 17 have a diameter slightly larger than the outer diameter of the cylinder body 22 so that the cylinder body 22 can be fitted. It is formed to become.

次に、以上の構成からなる連結具２を含む保護管接続装置１０の作用効果について説明する。この保護管接続装置１０において、連結具２は、一対の挟持部２ｃ、２ｃ（図示実施の形態においては、第１および第２挟持部７ｂ、８ｂ）が、ハンドホール９の壁３に設けられた壁孔３ａの周縁部を挟持することで、その壁孔３ａに取り付けられる。そして、連結具２の接続部２ａには、保護管１が接続され、こうして、保護管１は、この連結具２により、ハンドホール９の壁３に連結される。ここで、挟持部２ｃ、２ｃの一方、（図示実施の形態においては、第２挟持部８ｂ）と壁３との間に介在するパッキン５は、挟持部２ｃ（第２挟持部８ｂ）側に位置する第１の面５ａがその挟持部２ｃ（第２挟持部８ｂ）の挟持面２ｂと平行であり、壁３側に位置する第２の面５ｂがその壁３の湾曲と対応する湾曲面となるように形成されている。したがって、このパッキン５は、挟持部２ｃ（第２挟持部８ｂ）と壁３との間に、ぴったりと嵌まる。そして、このように、パッキン５が挟持部２ｃ（第２挟持部８ｂ）と壁３との間にぴったりと嵌まるので、挟持部２ｃ（第２挟持部８ｂ）と壁３とでパッキン５の全体をしっかりと押圧することができ、このパッキン５による防水とか防塵を確実に行なうことができる。しかも、連結具２における、一対の挟持部２ｃ、２ｃの対向する挟持面２ｂ、２ｂは、互いに平行位置しているので、従来の平板環状のパッキンを用いれば、この連結具２を平板状の壁に取り付けることもできる。 Next, the effect of the protective tube connection apparatus 10 including the coupler 2 having the above configuration will be described. In this protective tube connecting device 10, the coupling tool 2 is provided with a pair of clamping parts 2 c and 2 c (first and second clamping parts 7 b and 8 b in the illustrated embodiment) on the wall 3 of the handhole 9. The wall hole 3a is attached to the wall hole 3a by sandwiching the peripheral edge of the wall hole 3a. The protective tube 1 is connected to the connection portion 2 a of the connector 2, and thus the protective tube 1 is connected to the wall 3 of the hand hole 9 by the connector 2. Here, the packing 5 interposed between one of the sandwiching portions 2c and 2c (in the illustrated embodiment, the second sandwiching portion 8b) and the wall 3 is disposed on the sandwiching portion 2c (second sandwiching portion 8b) side. The first surface 5a positioned is parallel to the clamping surface 2b of the clamping part 2c (second clamping part 8b), and the second surface 5b located on the wall 3 side corresponds to the curved surface of the wall 3 It is formed to become. Therefore, the packing 5 fits exactly between the clamping part 2c (second clamping part 8b) and the wall 3. And since the packing 5 fits exactly between the clamping part 2c (second clamping part 8b) and the wall 3 in this way, the clamping part 2c (second clamping part 8b) and the wall 3 The whole can be pressed firmly, and waterproofing and dustproofing by this packing 5 can be performed reliably. Moreover, since the opposing clamping surfaces 2b, 2b of the pair of clamping parts 2c, 2c in the connector 2 are positioned in parallel with each other, if the conventional flat plate-like packing is used, the connector 2 is made flat. It can also be attached to the wall.

また、第１挟持部７ｂは、壁３を間に置く一側となる壁３の内周３ｂ側に位置している。そして、この第１挟持部７ｂの直線部７ｄ、７ｄが、壁３の内周３ｂの母線方向（図示実施の形態においては、ハンドホール９、詳細には本体１５の長手方向）に沿って、その内周３ｂに当接するため、この第１挟持部７ｂを備える第１部材７は、壁３に対して回り止めされる。したがって、第１部材７に対して第２部材８を回動して、第１部材７の雄ねじ部７ｃに第２部材８の雌ねじ部８ｃをねじ込んだ際に、第１部材７が、第２部材８と共回りするのを防ぐことができる。 Moreover, the 1st clamping part 7b is located in the inner peripheral 3b side of the wall 3 used as the one side which has the wall 3 in between. The straight portions 7d and 7d of the first sandwiching portion 7b are along the generatrix direction of the inner periphery 3b of the wall 3 (in the illustrated embodiment, the hand hole 9, in detail, the longitudinal direction of the main body 15), In order to contact the inner periphery 3 b, the first member 7 including the first clamping portion 7 b is prevented from rotating with respect to the wall 3. Therefore, when the second member 8 is rotated with respect to the first member 7 and the female screw portion 8c of the second member 8 is screwed into the male screw portion 7c of the first member 7, the first member 7 is Co-rotation with the member 8 can be prevented.

また、図示実施の形態においては、壁３は、断面円形の周壁からなっているため、その全体において湾曲の程度が一定となっている。したがって、壁３の任意の位置に明けられた壁孔３ａに、同一のパッキン５を用いて連結具２を取り付けることができる。 In the illustrated embodiment, the wall 3 is a peripheral wall having a circular cross section, and the degree of curvature is constant throughout. Therefore, the connector 2 can be attached to the wall hole 3 a opened at an arbitrary position of the wall 3 using the same packing 5.

なお、本発明は、上述した実施の形態に限定されるわけではなく、その他種々の変更が可能である。例えば、パッキン５は、ハンドホール９の外側（すなわち、壁３の外周３ｃ側）にて、第２挟持部８ｂと壁３との間に介在しなくとも、参考例として、ハンドホール９の内側（すなわち、壁３の内周３ｂ側）にて、第１挟持部７ｂと壁３との間に介在してもよく、また、これらハンドホール９の外側と内側との両方に配備されても構わない。 In addition, this invention is not necessarily limited to embodiment mentioned above, A various other change is possible. For example, the packing 5 may be disposed inside the hand hole 9 as a reference example without being interposed between the second holding portion 8b and the wall 3 outside the hand hole 9 (that is, on the outer periphery 3c side of the wall 3). (That is, on the inner periphery 3b side of the wall 3), the first holding part 7b may be interposed between the wall 3 and the hand hole 9 may be provided both outside and inside. I do not care.

また、連結具２が取り付けられる対象となる壁３は、ハンドホール９の壁でなくとも、その他マンホール等の地中埋設箱とか、配線ボックス等の壁であってもよく、断面弧状に湾曲する壁であれば、どのようなものでもよい。 Further, the wall 3 to which the connector 2 is attached may not be the wall of the handhole 9 but may be an underground box such as a manhole or a wall of a wiring box or the like, and is curved in a cross-section arc shape. Any wall can be used.

また、パッキン５の共回り抑制手段６は、挟持部２ｃ（図示実施の形態においては、第２挟持部８ｂ）とパッキン５との間に配置されるスペーサー部材６ａからならなくとも、挟持部２ｃ（第２挟持部８ｂ）とパッキン５とが、互いに滑りやすくなる材質としたり、挟持部２ｃ（第２挟持部８ｂ）あるいはパッキン５に、相手と滑りやすくなるような材料を塗布することでもよく、また、壁３に対してパッキン５が回らないように、パッキン５と壁３との間に、互いに掛かり合う掛合部を設けてもよい。 Further, the co-rotation suppressing means 6 of the packing 5 does not include the spacer member 6a disposed between the sandwiching portion 2c (the second sandwiching portion 8b in the illustrated embodiment) and the packing 5, but the sandwiching portion 2c. (The second sandwiching portion 8b) and the packing 5 may be made of a material that is easy to slip on each other, or a material that is easy to slip on the other side may be applied to the sandwiching portion 2c (second sandwiching portion 8b) or the packing 5. In addition, an engaging portion that engages with each other may be provided between the packing 5 and the wall 3 so that the packing 5 does not rotate with respect to the wall 3.

この発明の一実施の形態の、縦断面図である。It is a longitudinal cross-sectional view of one embodiment of this invention. 図１における要部拡大断面図である。It is a principal part expanded sectional view in FIG. 図２におけるＸ−Ｘ線による断面図である。It is sectional drawing by the XX line in FIG. 図１におけるＡ−Ａ線にてハンドホールの壁を破断した拡大断面図である。It is the expanded sectional view which fractured | ruptured the wall of the handhole by the AA line in FIG. 連結具の分解平面図である。It is an exploded top view of a coupling tool. 図１におけるＢ矢視拡大図である。It is a B arrow enlarged view in FIG. 図１におけるＣ−Ｃ線による断面図である。It is sectional drawing by CC line in FIG. 枠体の平面図である。It is a top view of a frame. ハンドホールに高さ調節用の筒体を設けた、図１相当図である。FIG. 2 is a view corresponding to FIG. 1 in which a height adjusting cylinder is provided in the hand hole. ハンドホールに角度調節用の筒体を設けた、図１相当図である。FIG. 2 is a view corresponding to FIG. 1 in which a hand hole is provided with an angle adjusting cylinder. 従来の連結具を示す断面図である。It is sectional drawing which shows the conventional connector.

１保護管
２連結具
２ａ接続部
２ｂ挟持面
２ｃ挟持部
２ｄ螺合部
３壁
３ａ壁孔
３ｂ内周
４取付構造
５パッキン
５ａ第１の面
５ｂ第２の面
５ｃ目印
６共回り抑制手段
６ａスペーサー部材
７第１部材
７ａ第１筒部
７ｂ第１挟持部
７ｃ雄ねじ部
７ｄ直線部
８第２部材
８ａ第２筒部
８ｂ第２挟持部
８ｃ雌ねじ部
９ハンドホール（配設部材）
１０保護管接続装置 DESCRIPTION OF SYMBOLS 1 Protective tube 2 Connector 2a Connection part 2b Clamping surface 2c Clamping part 2d Screwing part 3 Wall 3a Wall hole 3b Inner circumference 4 Mounting structure 5 Packing 5a 1st surface 5b 2nd surface 5c Mark 6 Co-rotation suppression means 6a Spacer member 7 1st member 7a 1st cylinder part 7b 1st clamping part 7c Male thread part 7d Straight line part 8 2nd member 8a 2nd cylinder part 8b 2nd clamping part 8c Female thread part 9 Hand hole (arrangement member)
10 Protection tube connection device

Claims

A mounting structure for attaching a hollow cylindrical connector to which a protective tube for protecting wiring / piping material is connected to a wall hole of a wall curved in an arc shape,
The connector includes a connection part to which the protection tube can be connected, a pair of clamping parts having clamping surfaces facing each other in parallel with each other across the peripheral part of the wall hole, and the peripheral part of the wall hole A screwing portion for bringing the clamping portions close to each other , and
The connector comprises a first member and a second member,
The first member includes a first cylindrical portion that protrudes from one side of the wall interposed between the wall holes and protrudes to the other side of the wall, the first cylindrical portion including the wall A first sandwiching portion that extends in a bowl shape on the one side, and serves as the sandwiching portion, is provided,
The second member includes a second tube portion that is located on the other side with the wall interposed therebetween and fits outside the first tube portion, and the second tube portion includes the second tube portion on the wall side. A second clamping part is provided, and the connection part is provided on the side opposite to the wall,
The threaded portion includes a male screw portion provided in the first tube portion and a female screw portion provided in the second tube portion and screwed with the male screw portion,
Between the second sandwiching portion and the wall, a packing that is formed in an annular shape and is fitted to the outside of the first cylindrical portion is interposed,
The packing is formed such that a first surface located on the second clamping part side is parallel to a clamping surface of the second clamping part, and a second surface located on the wall side is the wall is formed to be curved corresponding curved surfaces of, also,
The one side between which the wall is placed is the inner peripheral side of the wall, and the first sandwiching portion located on the inner peripheral side includes linear portions parallel to each other on both sides, and the linear portions are An attachment structure for a connector, wherein the attachment structure is arranged along the generatrix direction of the inner periphery of the wall curved in an arc shape and abuts the inner circumference along the generatrix direction .

2. The attachment structure for a connector according to claim 1, further comprising co-rotation suppressing means for suppressing co-rotation of the packing along with the rotation of the second clamping unit .

The co-rotation suppressing means includes a spacer member disposed between the second clamping part and the packing so that the packing does not follow the rotation of the second clamping part. The attachment structure of a connector according to claim 2.

A hollow cylindrical hand hole having a wall hole in the wall with a circular cross section for drawing the wiring / pipe material inserted into the protective tube inside,
A hollow cylindrical connector attached to the wall hole;
A protective tube connecting device comprising a ring-shaped packing,
The connector includes a connection part to which the protection tube can be connected, a pair of clamping parts having clamping surfaces facing each other in parallel with each other across the peripheral part of the wall hole, and the peripheral part of the wall hole A screwing portion for bringing the clamping portions close to each other, and
The connector comprises a first member and a second member,
The first member includes a first tube portion that passes through the wall hole from the inside of the hand hole and protrudes to the outside of the hand hole, and the first tube portion includes a first tube portion on the inside of the hand hole. A first sandwiching portion extending in a shape and serving as the sandwiching portion is provided,
The second member includes a second cylinder portion that is located outside the handhole and fits outside the first cylinder portion, and the second cylinder portion includes a second cylinder portion that serves as the clamping portion on the wall side. 2 is provided with the clamping part, and the connection part is provided on the opposite side of the wall,
The threaded portion includes a male screw portion provided in the first tube portion and a female screw portion provided in the second tube portion and screwed with the male screw portion,
The packing is interposed between the second sandwiching portion and the wall so as to be fitted to the outside of the first tube portion outside the hand hole, and
The packing is formed such that a first surface located on the second clamping part side is parallel to a clamping surface of the second clamping part, and a second surface located on the wall side is the wall And a curved surface corresponding to the curvature of
The first sandwiching portion located inside the hand hole includes straight portions that are parallel to each other on both sides, and the straight portions are arranged along the generatrix direction of the inner periphery of the wall having a circular cross section. Then, the protective tube connecting device is brought into contact with the inner periphery thereof along the generatrix direction .