JP6209504B2 - Cable protection guide device - Google Patents
Cable protection guide device Download PDFInfo
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- JP6209504B2 JP6209504B2 JP2014233933A JP2014233933A JP6209504B2 JP 6209504 B2 JP6209504 B2 JP 6209504B2 JP 2014233933 A JP2014233933 A JP 2014233933A JP 2014233933 A JP2014233933 A JP 2014233933A JP 6209504 B2 JP6209504 B2 JP 6209504B2
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- inner peripheral
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G13/00—Chains
- F16G13/12—Hauling- or hoisting-chains so called ornamental chains
- F16G13/16—Hauling- or hoisting-chains so called ornamental chains with arrangements for holding electric cables, hoses, or the like
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G11/00—Arrangements of electric cables or lines between relatively-movable parts
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0462—Tubings, i.e. having a closed section
- H02G3/0475—Tubings, i.e. having a closed section formed by a succession of articulated units
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Electric Cable Arrangement Between Relatively Moving Parts (AREA)
- Telephone Set Structure (AREA)
- Details Of Indoor Wiring (AREA)
Description
本発明は、例えば、工作機械などの移動部に給電や給液などを行う可撓性のケーブルやホースなどの長尺状のケーブル類を収容状態にして移動部の移動に合わせて案内するケーブル類保護案内装置に関する。 The present invention is, for example, a flexible cable that feeds or supplies liquid to a moving part such as a machine tool, or a long cable such as a hose that guides the moving part in accordance with the movement of the moving part. The present invention relates to a kind protection guide device.
従来、この種のケーブル類保護案内装置としては、押出成形加工された長尺状のエラストマー樹脂製シートを折り曲げ部分において両側方に折り曲げて形成したケーブル収納空間内にケーブル類を当該シートの長手方向に沿って収納するものが知られている（例えば、特許文献１参照）。このようなケーブル類保護案内装置のエラストマー樹脂製シートは、外周壁形成部分と、外周壁形成部分の両側に折り曲げ部分を介してそれぞれ配置された側壁形成部分と、これら２つの側壁形成部分にそれぞれ垂設された内周壁形成部分とを備えている。 Conventionally, as this type of cable protection and guide device, cables are placed in a cable storage space formed by bending a long elastomer resin sheet that has been extruded into both sides at a bent portion, and the longitudinal direction of the sheet. (For example, refer to Patent Document 1). The elastomer resin sheet of such a cable protection guide device has an outer peripheral wall forming portion, a side wall forming portion disposed on both sides of the outer peripheral wall forming portion via a bent portion, and two side wall forming portions, respectively. And an inner peripheral wall forming portion that is vertically provided.
内周壁形成部分は、２つの側壁形成部分のうちの一方に垂設された雌型内周壁部と、他方に垂設されて雌型内周壁部に対して雌雄嵌合（凹凸嵌合）可能な雄型内周壁部とを備えている。そして、内周壁形成部分は、ケーブル収納空間の形成時にシートの長手方向に沿って雌型内周壁部と雄型内周壁部とを互いに雌雄嵌合させた状態で閉じ合わせることで、外周壁形成部分に対向して配置される内部平坦面を構成するようになっている。 The inner peripheral wall forming part can be fitted to a female inner peripheral wall part suspended from one of the two side wall forming parts and a female inner peripheral wall part extending from the other (concave fitting). And a male inner wall. Then, the inner peripheral wall forming portion is formed by closing the female inner peripheral wall portion and the male inner peripheral wall portion in a state where the female inner peripheral wall portion and the male inner peripheral wall portion are fitted to each other along the longitudinal direction of the sheet when forming the cable storage space. An internal flat surface arranged to face the portion is configured.
この場合、特許文献１の図５（ａ）に示すように、雌型内周壁部は凹溝（収容部）を備え、雄型内周壁部は凹溝に挿入されて係止される凸条（凸部）を備えている。そして、凸条は、凹溝に挿入された際に、抜け止めとなる返し部（被係止部）を両側部に対をなすように有している。 In this case, as shown in FIG. 5A of Patent Document 1, the female inner peripheral wall portion includes a concave groove (accommodating portion), and the male inner peripheral wall portion is inserted into the concave groove and locked. (Convex part). And the protruding item | line has a return part (locked part) used as a retaining part when it is inserted in a ditch | groove so that it may make a pair on both sides.
ところで、上述のようなケーブル類保護案内装置では、凸条の両側部に設けられたそれぞれの返し部の位置が凸条の凹溝に対する挿入方向において一致している。このため、凸条を凹溝の開口部から押し込むことで凹溝を弾性変形させながら凸条を凹溝内に挿入する際に、両側の２つの返し部を含んだ凸条の最大幅分の大きさまで開口部が広がるように凸条を凹溝内に押し込む必要があるので、凹溝に対して凸条を容易に挿入することができないという問題がある。 By the way, in the above cable protection and guide devices, the positions of the return portions provided on both side portions of the ridge coincide with each other in the insertion direction with respect to the groove of the ridge. Therefore, when inserting the ridge into the groove while elastically deforming the groove by pushing the ridge from the opening of the groove, the maximum width of the ridge including the two return portions on both sides is inserted. Since it is necessary to push the ridge into the groove so that the opening expands to the size, there is a problem that the ridge cannot be easily inserted into the groove.
本発明は、このような従来技術に存在する問題点に着目してなされたものである。その目的とするところは、一方向に延びるシートを折り曲げてケーブル類を収容する収容空間を形成する際に、シートの短手方向の一端部に設けられた凸部を他端部に設けられた収容部に対して容易に挿入することが可能なケーブル類保護案内装置を提供することにある。 The present invention has been made paying attention to such problems existing in the prior art. The purpose is to provide a convex portion provided at one end portion in the short direction of the sheet at the other end portion when bending the sheet extending in one direction to form an accommodation space for accommodating cables. An object of the present invention is to provide a cable protection guide device that can be easily inserted into a housing.
以下、上記課題を解決するための手段及びその作用効果について記載する。
上記課題を解決するケーブル類保護案内装置は、一方向に延びるシートを折り曲げ部において折り曲げて前記シートにおける短手方向の一端部と他端部とを連結することで前記シートの内側に前記シートの長手方向に沿って延びるように形成される収容空間にケーブル類を収容するケーブル類保護案内装置であって、前記一端部には、凸部が設けられ、前記他端部には、前記凸部を収容可能な収容部が設けられ、前記凸部は、その両側部に被係止部をそれぞれ有し、前記収容部は、開口部と、前記開口部を広げるように弾性変形されながら前記開口部から前記凸部が挿入された際に前記被係止部をそれぞれ係止可能な係止部とを有し、前記凸部の両側部に配置されたそれぞれの前記被係止部は、前記凸部が前記開口部から前記収容部内に挿入される際の挿入方向の位置が互いに異なる。
Hereinafter, means for solving the above-described problems and the effects thereof will be described.
A cable protection and guide device that solves the above-described problems is achieved by bending a sheet extending in one direction at a bending portion and connecting one end and the other end of the sheet in the short direction to the inside of the sheet. A cable protection guide device for storing cables in an accommodation space formed so as to extend along the longitudinal direction, wherein a convex portion is provided at the one end portion, and the convex portion is provided at the other end portion. The convex part has a locked part on each side thereof, and the accommodating part is elastically deformed so as to widen the opening and the opening. Each of the locked portions disposed on both sides of the convex portion has a locking portion capable of locking the locked portion when the convex portion is inserted from a portion. A convex part is inserted into the housing part from the opening. Inserting direction of the position when the mutually different.
この構成によれば、凸部を開口部から収容部内に挿入する際に、凸部の両側部に配置された２つの被係止部が異なるタイミングで開口部を通過するため、２つの被係止部が同じタイミングで開口部を通過する場合に比べて開口部を広げるための収容部の弾性変形量を小さくすることができる。したがって、一方向に延びるシートを折り曲げてケーブル類を収容する収容空間を形成する際に、シートの短手方向の一端部に設けられた凸部を他端部に設けられた収容部に対して容易に挿入することが可能となる。 According to this configuration, when the convex portion is inserted into the housing portion from the opening portion, the two engaged portions disposed on both sides of the convex portion pass through the opening portion at different timings, so that the two engaged portions Compared with the case where the stop portion passes through the opening portion at the same timing, the elastic deformation amount of the housing portion for expanding the opening portion can be reduced. Therefore, when forming an accommodation space for accommodating cables by bending a sheet extending in one direction, a convex portion provided at one end portion in the short direction of the sheet is formed with respect to an accommodation portion provided at the other end portion. It can be easily inserted.
上記ケーブル類保護案内装置において、前記凸部及び前記収容部は、前記収容空間を形成する内周壁に設けられ、前記係止部は、前記収容部における前記開口部を挟んだ両側にそれぞれ配置され、前記凸部の両側部に配置されたそれぞれの前記被係止部のうち、前記内周壁からの距離が近い方は第１被係止部とされ、前記内周壁からの距離が遠い方は第２被係止部とされ、前記第１被係止部は、前記第２被係止部よりも前記挿入方向の前側に配置されていることが好ましい。 In the cable protection guide device, the convex portion and the accommodating portion are provided on an inner peripheral wall forming the accommodating space, and the locking portions are respectively disposed on both sides of the opening portion of the accommodating portion. Of the locked portions arranged on both sides of the convex portion, the one closer to the inner peripheral wall is the first locked portion, and the one farther from the inner peripheral wall is the first locked portion. It is preferable that the second locked portion is provided, and the first locked portion is disposed on the front side in the insertion direction with respect to the second locked portion.
通常、内周壁が内側となるようにケーブル類保護案内装置が湾曲された場合、凸部が収容部の開口部から抜け出す方向（挿入方向の反対方向）に荷重がかかる。このときの荷重は、内周壁に近い位置ほど大きくなるので、第１被係止部と第２被係止部との挿入方向の位置が同じである場合、第１被係止部が当該第１被係止部と対応する係止部に係止されるときの荷重は、第２被係止部が当該第２被係止部と対応する係止部に係止されるときの荷重よりも格段に大きくなる。このため、第１被係止部と、当該第１被係止部と対応する係止部との係止状態が解除され易くなるので、収容部から凸部が抜け出し易くなってしまうという問題がある。この点、この構成によれば、第１被係止部が第２被係止部よりも挿入方向の前側に配置されているため、凸部が収容部の開口部から抜け出す方向に荷重がかかった場合には、第２被係止部が当該第２被係止部と対応する係止部に係止されるときの荷重がある程度大きくなってから第１被係止部が当該第１被係止部と対応する係止部に係止される。このため、第１被係止部が当該第１被係止部と対応する係止部に係止されるときの荷重と、第２被係止部が当該第２被係止部と対応する係止部に係止されるときの荷重との差が小さくなるので、第１被係止部と第２被係止部との間での荷重の偏りが抑制される。したがって、凸部が収容部から抜け出すことを抑制することが可能となる。 Normally, when the cables protection guide device is curved so that the inner peripheral wall is on the inside, a load is applied in the direction in which the convex portion is pulled out from the opening of the housing portion (the direction opposite to the insertion direction). Since the load at this time increases as the position is closer to the inner peripheral wall, when the positions of the first locked portion and the second locked portion in the insertion direction are the same, the first locked portion is The load when the second locked portion is locked to the locking portion corresponding to the second locked portion is larger than the load when the second locked portion is locked to the locking portion corresponding to the second locked portion. Will be much larger. For this reason, since it becomes easy to cancel | release the latching state of the 1st to-be-latched part and the latching part corresponding to the said 1st to-be-latched part, the problem that a convex part will come out easily from an accommodating part. is there. In this respect, according to this configuration, since the first locked portion is disposed in front of the second locked portion in the insertion direction, a load is applied in a direction in which the convex portion is pulled out from the opening of the housing portion. In such a case, the load when the second locked portion is locked to the locking portion corresponding to the second locked portion is increased to some extent, and then the first locked portion is moved to the first locked portion. Locked to the locking portion corresponding to the locking portion. For this reason, the load when the first locked portion is locked to the locking portion corresponding to the first locked portion, and the second locked portion corresponds to the second locked portion. Since the difference with the load when it is latched by the latching portion is reduced, the load bias between the first latched portion and the second latched portion is suppressed. Therefore, it is possible to suppress the convex portion from slipping out of the accommodating portion.
上記ケーブル類保護案内装置において、前記凸部が前記収容部に収容されて前記収容空間が形成された状態では、前記凸部及び前記収容部が前記収容空間の外側に配置されることが好ましい。 In the cable protection guide device, in a state where the convex portion is accommodated in the accommodating portion and the accommodating space is formed, it is preferable that the convex portion and the accommodating portion are arranged outside the accommodating space.
この構成によれば、凸部及び収容部を収容空間内に配置する場合に比べて、収容空間を広く確保することが可能となる。
上記ケーブル類保護案内装置において、前記凸部が前記収容部に収容されて前記収容空間が形成された状態では、前記凸部及び前記収容部が前記収容空間内に配置されることが好ましい。
According to this configuration, it is possible to secure a wider accommodation space than when the convex portion and the accommodation portion are arranged in the accommodation space.
In the cable protection guide device, in a state where the convex portion is accommodated in the accommodating portion and the accommodating space is formed, the convex portion and the accommodating portion are preferably disposed in the accommodating space.
この構成によれば、凸部及び収容部を収容空間の外側に配置する場合に比べて、装置全体の大きさを小さくすることが可能となる。
上記ケーブル類保護案内装置において、前記凸部が前記収容部に収容されて前記収容空間が形成された状態では、前記開口部を二等分する面が前記凸部を二等分することが好ましい。
According to this configuration, it is possible to reduce the size of the entire apparatus as compared with the case where the convex portion and the accommodating portion are arranged outside the accommodating space.
In the cable protection guide device, in a state where the convex portion is accommodated in the accommodating portion and the accommodating space is formed, it is preferable that a surface that bisects the opening bisects the convex portion. .
この構成によれば、凸部が収容部の開口部から抜け出す方向（挿入方向の反対方向）に荷重がかかった場合に、両被係止部を対応する係止部によってそれぞれ荷重のバランスが良い状態で係止することが可能となる。 According to this configuration, when a load is applied in the direction in which the convex portion is pulled out from the opening of the accommodating portion (the direction opposite to the insertion direction), the load is balanced by the corresponding locking portions. It becomes possible to lock in a state.
本発明によれば、一方向に延びるシートを折り曲げてケーブル類を収容する収容空間を形成する際に、シートの短手方向の一端部に設けられた凸部を他端部に設けられた収容部に対して容易に挿入することができる。 According to the present invention, when forming an accommodation space for accommodating cables by folding a sheet extending in one direction, the convex portion provided at one end portion in the short direction of the sheet is accommodated at the other end portion. It can be easily inserted into the part.
以下、ケーブル類保護案内装置の一実施形態を図面に従って説明する。
図１に示すように、ケーブル類保護案内装置１１は、押出成形加工によって一方向に延びるように長尺状に形成された合成樹脂製のシート１２を備えている。シート１２は、略矩形板状をなし、その短手方向Ｘの中央部に配置された外周壁形成部１３と、外周壁形成部１３における短手方向Ｘの両側にそれぞれ折り曲げ部１４を介して連結された側壁形成部１５と、両側壁形成部１５における短手方向Ｘの外側の端部にそれぞれ設けられた第１内周壁形成部１６ａ及び第２内周壁形成部１６ｂとを備えている。
Hereinafter, an embodiment of a cable protection and guide device will be described with reference to the drawings.
As shown in FIG. 1, the cable protection guide device 11 includes a synthetic resin sheet 12 formed in a long shape so as to extend in one direction by extrusion molding. The sheet 12 has a substantially rectangular plate shape, and has an outer peripheral wall forming portion 13 disposed at a central portion in the short-side direction X, and both sides of the outer peripheral wall forming portion 13 in the short-side direction X via bent portions 14. The connected side wall forming part 15 is provided with a first inner peripheral wall forming part 16a and a second inner peripheral wall forming part 16b provided at the outer ends in the lateral direction X of the both side wall forming parts 15, respectively.
第１内周壁形成部１６ａには第１連結部１７が設けられ、第２内周壁形成部１６ｂには第１連結部１７と連結可能な第２連結部１８が設けられている。すなわち、シート１２における短手方向Ｘの一端部に第１連結部１７が配置され、他端部に第２連結部１８が配置されている。そして、折り曲げ部１４、第１内周壁形成部１６ａ、第２内周壁形成部１６ｂ、第１連結部１７、及び第２連結部１８は、エラストマーなどの可撓性材料によって構成されている。 The first inner peripheral wall forming portion 16 a is provided with a first connecting portion 17, and the second inner peripheral wall forming portion 16 b is provided with a second connecting portion 18 that can be connected to the first connecting portion 17. That is, the 1st connection part 17 is arrange | positioned at the one end part of the transversal direction X in the sheet | seat 12, and the 2nd connection part 18 is arrange | positioned at the other end part. And the bending part 14, the 1st inner peripheral wall formation part 16a, the 2nd inner peripheral wall formation part 16b, the 1st connection part 17, and the 2nd connection part 18 are comprised by flexible materials, such as an elastomer.
各側壁形成部１５における短手方向Ｘの外側の位置には、複数の貫通孔１９が、短手方向Ｘと直交する長手方向Ｙに沿って等間隔で並ぶように、各側壁形成部１５の長手方向Ｙの全体にわたって形成されている。シート１２における短手方向Ｘで対向する複数の貫通孔１９同士の間には、これら複数の対向する貫通孔１９同士を繋ぐように短手方向Ｘに延びるスリット２０がそれぞれ形成されている。したがって、各スリット２０は、外周壁形成部１３と２つの折り曲げ部１４を横切るように延びている。 In each side wall forming portion 15, a plurality of through holes 19 are arranged at equal intervals along a longitudinal direction Y orthogonal to the short direction X at positions outside the short side direction X. It is formed over the entire longitudinal direction Y. Between the plurality of through holes 19 facing each other in the short direction X in the sheet 12, slits 20 extending in the short direction X are formed so as to connect the plurality of facing through holes 19. Accordingly, each slit 20 extends across the outer peripheral wall forming portion 13 and the two bent portions 14.
そして、図２及び図３に示すように、ケーブル類保護案内装置１１は、シート１２を２つの折り曲げ部１４において折り曲げてシート１２における短手方向Ｘの一端部に位置する第１連結部１７と他端部に位置する第２連結部１８とを連結することで、シート１２の内側にその長手方向Ｙに沿って延びるように略矩形筒状の収容空間ＳＫを形成する。収容空間ＳＫには、フレキシブルに曲げることが可能な長尺状のケーブル類ＴＫが収容される。 As shown in FIGS. 2 and 3, the cable protection guide device 11 includes a first connecting portion 17 that is positioned at one end portion in the short-side direction X of the sheet 12 by bending the sheet 12 at the two bending portions 14. By connecting the second connecting portion 18 located at the other end portion, a substantially rectangular cylindrical accommodation space SK is formed inside the sheet 12 so as to extend along the longitudinal direction Y thereof. In the accommodation space SK, long cables TK that can be flexibly bent are accommodated.
収容空間ＳＫが形成された状態のケーブル類保護案内装置１１は、第１内周壁形成部１６ａ及び第２内周壁形成部１６ｂによって内側が平坦な内周壁２１が構成され、２つの側壁形成部１５によって対向する２つの側壁２２がそれぞれ構成され、外周壁形成部１３によって内周壁２１と対向する外周壁２３が構成される。すなわち、収容空間ＳＫは、内周壁２１、２つの側壁２２、及び外周壁２３によって囲まれた空間によって構成される。 In the cable protection guide device 11 in the state where the accommodation space SK is formed, the first inner peripheral wall forming portion 16a and the second inner peripheral wall forming portion 16b form an inner peripheral wall 21 having a flat inside, and the two side wall forming portions 15 are formed. The two side walls 22 which oppose each other are comprised, respectively, and the outer peripheral wall 23 which opposes the inner peripheral wall 21 by the outer peripheral wall formation part 13 is comprised. That is, the accommodation space SK is configured by a space surrounded by the inner peripheral wall 21, the two side walls 22, and the outer peripheral wall 23.
ケーブル類保護案内装置１１における長手方向Ｙの一端部には長手方向Ｙに往復移動する移動体（図示略）に連結するための移動端ブラケット（図示略）が連結され、長手方向Ｙの他端部には固定部（図示略）に固定するための固定端ブラケット（図示略）が連結される。そして、ケーブル類保護案内装置１１は、収容空間ＳＫに収容されたケーブル類ＴＫを、移動端ブラケット（図示略）に連結された移動体（図示略）の往復移動に合わせて保護しながら案内する。 A moving end bracket (not shown) for connecting to a moving body (not shown) that reciprocates in the longitudinal direction Y is connected to one end portion in the longitudinal direction Y of the cable protection guide device 11, and the other end in the longitudinal direction Y is connected. A fixed end bracket (not shown) for fixing to a fixing part (not shown) is connected to the part. The cable protection guide device 11 guides the cables TK accommodated in the accommodation space SK while protecting the cables TK in accordance with the reciprocating movement of the moving body (not shown) connected to the moving end bracket (not shown). .
この場合、図３に示すように、長尺状のケーブル類保護案内装置１１はその中間部にスリット２０が開くことで湾曲部分Ｗが形成されるように配置され、湾曲部分Ｗは移動端ブラケット（図示略）に連結された移動体（図示略）の長手方向Ｙへの往復移動に合わせて長手方向Ｙへ移動するようになっている。 In this case, as shown in FIG. 3, the long cable protection and guide device 11 is arranged such that a curved portion W is formed by opening a slit 20 at an intermediate portion thereof, and the curved portion W is a moving end bracket. The movable body (not shown) connected to (not shown) moves in the longitudinal direction Y in accordance with the reciprocating movement in the longitudinal direction Y.
なお、ケーブル類ＴＫとしては、例えば、移動体（図示略）に給電や信号伝送を行う電気ケーブルや光ファイバーケーブル、移動体（図示略）に気体（例えば、空気など）や液体（例えば、水や油など）などを供給するホース、フレキシブルに屈曲可能な長尺状の多関節部材などが挙げられる。 As the cables TK, for example, an electric cable or an optical fiber cable for feeding or transmitting signals to a moving body (not shown), a gas (for example, air) or a liquid (for example, water or the like) Oil, etc.), a long articulated member that can be bent flexibly, and the like.
次に、第１連結部１７及び第２連結部１８の構成について詳述する。
図４に示すように、第１連結部１７は、第１内周壁形成部１６ａの先端から収容空間ＳＫ側とは反対側に第１内周壁形成部１６ａと直交するように突設された平板状のベース部３０と、ベース部３０の第２内周壁形成部１６ｂ側の面における中央部にベース部３０と直交するように短手方向Ｘに沿って突設された凸部３１とを備えている。ベース部３０及び凸部３１は、ケーブル類保護案内装置１１の長手方向Ｙの全体にわたって形成されている。
Next, the structure of the 1st connection part 17 and the 2nd connection part 18 is explained in full detail.
As shown in FIG. 4, the first connecting portion 17 is a flat plate projecting from the tip of the first inner peripheral wall forming portion 16a on the side opposite to the accommodation space SK side so as to be orthogonal to the first inner peripheral wall forming portion 16a. And a convex portion 31 projecting along the short direction X so as to be orthogonal to the base portion 30 at the center of the surface of the base portion 30 on the second inner peripheral wall forming portion 16b side. ing. The base part 30 and the convex part 31 are formed over the entire longitudinal direction Y of the cables protection guide device 11.
凸部３１は、長手方向Ｙから見て先端が丸みを帯びた全体として略矢印のような形状をしている。凸部３１は、その先端部における両側部に長手方向Ｙから見て直角三角形状をなすように突出する被係止部をそれぞれ有している。これら２つの被係止部のうち、内周壁２１からの距離が短い方は第１被係止部３２とされ、内周壁２１からの距離が長い方は第２被係止部３３とされている。凸部３１の先端部における第１被係止部３２側の側部は第１斜面３２ａになっており、凸部３１の先端部における第２被係止部３３側の側部は第２斜面３３ａになっている。 The convex portion 31 has a generally arrow-like shape as a whole with a rounded tip as viewed from the longitudinal direction Y. The convex part 31 has the to-be-latched part which protrudes so that it may form a right-angled triangle shape seeing from the longitudinal direction Y at the both sides in the front-end | tip part, respectively. Of these two locked portions, the shorter distance from the inner peripheral wall 21 is the first locked portion 32, and the longer distance from the inner peripheral wall 21 is the second locked portion 33. Yes. The side portion on the first locked portion 32 side at the tip portion of the convex portion 31 is a first inclined surface 32a, and the side portion on the second locked portion 33 side in the tip portion of the convex portion 31 is a second inclined surface. 33a.
第２連結部１８は、第２内周壁形成部１６ｂの短手方向Ｘの中央部における収容空間ＳＫ側とは反対側の面に設けられ、長手方向Ｙから見てＬ字状をなすとともに第２内周壁形成部１６ｂとで凸部３１を収容可能な収容溝３５を形成する溝形成部３６を備えている。溝形成部３６は、ケーブル類保護案内装置１１の長手方向Ｙの全体にわたって形成されている。また、第２連結部１８は、第２内周壁形成部１６ｂの先端部と溝形成部３６の先端部との間に開口部３７を有している。 The second connecting portion 18 is provided on the surface of the second inner peripheral wall forming portion 16b on the opposite side to the accommodation space SK side in the central portion in the short side direction X, and is L-shaped when viewed from the longitudinal direction Y. The groove forming part 36 which forms the accommodation groove | channel 35 which can accommodate the convex part 31 with 2 inner peripheral wall formation part 16b is provided. The groove forming portion 36 is formed over the entire longitudinal direction Y of the cables protection guide device 11. The second connecting portion 18 has an opening 37 between the distal end portion of the second inner peripheral wall forming portion 16 b and the distal end portion of the groove forming portion 36.
第２内周壁形成部１６ｂの先端部における開口部３７側の面には、長手方向Ｙから見て直角三角形状をなす係止部としての第１係止部３８が開口部３７の幅を狭めるように突設されている。 A first locking portion 38 as a locking portion having a right triangle shape when viewed from the longitudinal direction Y narrows the width of the opening 37 on the surface on the opening 37 side at the tip of the second inner peripheral wall forming portion 16b. So as to protrude.
溝形成部３６の先端部における開口部３７側の面には、長手方向Ｙから見て直角三角形状をなす係止部としての第２係止部３９が開口部３７の幅を狭めるように突設されている。したがって、第１係止部３８及び第２係止部３９は、第２連結部１８における開口部３７を挟んだ両側にそれぞれ配置されている。この場合、第１係止部３８と第２係止部３９とは、開口部３７を二等分する面Ｆに関して面対称になっている。 A second locking portion 39 as a locking portion that forms a right triangle when viewed from the longitudinal direction Y protrudes on the surface on the opening 37 side at the tip of the groove forming portion 36 so as to narrow the width of the opening 37. It is installed. Accordingly, the first locking portion 38 and the second locking portion 39 are respectively disposed on both sides of the opening 37 in the second connecting portion 18. In this case, the first locking portion 38 and the second locking portion 39 are symmetrical with respect to the plane F that bisects the opening 37.
第１係止部３８の先端面３８ａと第２係止部３９の先端面３９ａとは開口部３７を挟んで互いに対向しており、先端面３８ａ及び先端面３９ａは収容溝３５に向かうほど開口部３７の幅が狭くなるように面Ｆに対してそれぞれ傾斜している。この場合、先端面３８ａ及び先端面３９ａは、凸部３１の第１斜面３２ａ及び第２斜面３３ａとそれぞれ対応している。開口部３７の幅は、凸部３１の先端部の幅よりも狭く、凸部３１の基端部の幅とほぼ同じになっている。 The distal end surface 38a of the first locking portion 38 and the distal end surface 39a of the second locking portion 39 are opposed to each other across the opening 37, and the distal end surface 38a and the distal end surface 39a open toward the accommodation groove 35. Each of the portions 37 is inclined with respect to the surface F so as to be narrow. In this case, the front end surface 38a and the front end surface 39a correspond to the first inclined surface 32a and the second inclined surface 33a of the convex portion 31, respectively. The width of the opening 37 is narrower than the width of the distal end portion of the convex portion 31 and is substantially the same as the width of the base end portion of the convex portion 31.
そして、第１係止部３８及び第２係止部３９は、開口部３７が広がるように第２連結部１８が弾性変形されながら開口部３７から凸部３１が挿入された際に、第１被係止部３２及び第２被係止部３３をそれぞれ係止可能になっている。また、凸部３１の第１被係止部３２及び第２被係止部３３は、凸部３１が開口部３７から収容溝３５内に挿入される際の挿入方向（図４では短手方向Ｘに沿って右から左に向かう方向）の位置が互いに異なっている。 The first locking portion 38 and the second locking portion 39 are the first when the convex portion 31 is inserted from the opening 37 while the second connecting portion 18 is elastically deformed so that the opening 37 widens. The locked portion 32 and the second locked portion 33 can be locked. Further, the first locked portion 32 and the second locked portion 33 of the convex portion 31 are inserted in the insertion direction when the convex portion 31 is inserted into the receiving groove 35 from the opening portion 37 (the short direction in FIG. 4). The positions in the direction from right to left along X) are different from each other.
すなわち、第１被係止部３２は、第２被係止部３３よりも上記挿入方向（図４では短手方向Ｘに沿って右から左に向かう方向）の前側（図４では左側）に配置されている。つまり、凸部３１が収容溝３５内に挿入されて収容空間ＳＫが形成された状態では、短手方向Ｘにおける第１被係止部３２から開口部３７までの距離が短手方向Ｘにおける第２被係止部３３から開口部３７までの距離よりも長くなっている。 That is, the first locked portion 32 is on the front side (left side in FIG. 4) of the insertion direction (the direction from right to left along the short direction X in FIG. 4) than the second locked portion 33. Has been placed. That is, in a state where the convex portion 31 is inserted into the accommodation groove 35 and the accommodation space SK is formed, the distance from the first locked portion 32 to the opening 37 in the short direction X is the first distance in the short direction X. 2 The distance from the locked portion 33 to the opening 37 is longer.
この場合、開口部３７を二等分する面Ｆは凸部３１を二等分している。さらに、この場合、凸部３１及び第２連結部１８は、収容空間ＳＫの外側に配置されている。なお、本実施形態では、第２連結部１８によって収容部が構成されている。 In this case, the surface F that bisects the opening 37 bisects the convex portion 31. Further, in this case, the convex portion 31 and the second connecting portion 18 are disposed outside the accommodation space SK. In the present embodiment, the second connecting portion 18 constitutes an accommodating portion.
次に、上記のように構成された実施形態のケーブル類保護案内装置１１において、第１連結部１７と第２連結部１８とを連結するときの作用、すなわち開口部３７から収容溝３５内に凸部３１を挿入するときの作用について説明する。 Next, in the cable protection and guide device 11 of the embodiment configured as described above, an action when the first connecting portion 17 and the second connecting portion 18 are connected, that is, from the opening 37 into the receiving groove 35. The operation when the convex portion 31 is inserted will be described.
さて、短手方向Ｘに沿うように開口部３７から収容溝３５内に凸部３１を挿入しようとすると、図５（ａ）に示すように、凸部３１の第１斜面３２ａ及び凸部３１の第２斜面３３ａが第１係止部３８の先端面３８ａ及び第２係止部３９の先端面３９ａに対してそれぞれ当接する。引き続き、凸部３１を短手方向Ｘに沿って収容溝３５内に向かって押圧すると、凸部３１の第１斜面３２ａ及び凸部３１の第２斜面３３ａが第１係止部３８の先端面３８ａ及び第２係止部３９の先端面３９ａに対してそれぞれ摺動する。 Now, when it is going to insert the convex part 31 in the accommodating groove 35 from the opening part 37 along the transversal direction X, as shown to Fig.5 (a), the 1st slope 32a and the convex part 31 of the convex part 31 are shown. The second inclined surface 33 a abuts against the tip surface 38 a of the first locking portion 38 and the tip surface 39 a of the second locking portion 39. Subsequently, when the convex portion 31 is pressed in the housing groove 35 along the short direction X, the first inclined surface 32a of the convex portion 31 and the second inclined surface 33a of the convex portion 31 are the front end surface of the first locking portion 38. It slides with respect to the front end surface 39a of 38a and the 2nd latching | locking part 39, respectively.
すると、図５（ｂ）に示すように、凸部３１の第１斜面３２ａ及び凸部３１の第２斜面３３ａが第１係止部３８の先端面３８ａ及び第２係止部３９の先端面３９ａをそれぞれ押圧するため、開口部３７が広がるように第２内周壁形成部１６ｂの先端部及び溝形成部３６の先端部が弾性変形する。 Then, as shown in FIG. 5B, the first inclined surface 32 a of the convex portion 31 and the second inclined surface 33 a of the convex portion 31 are the distal end surface 38 a of the first locking portion 38 and the distal end surface of the second locking portion 39. In order to press each 39a, the front-end | tip part of the 2nd inner peripheral wall formation part 16b and the front-end | tip part of the groove formation part 36 are elastically deformed so that the opening part 37 may spread.
このとき、凸部３１における第１被係止部３２は、第２被係止部３３よりも凸部３１の挿入方向（図５（ａ）〜（ｄ）では短手方向Ｘに沿って右から左に向かう方向）の前側（図５（ａ）〜（ｄ）では左側）に配置されているため、第２内周壁形成部１６ｂの先端部の弾性変形量は、溝形成部３６の先端部の弾性変形量よりも大きくなる。さらにこのとき、溝形成部３６の先端部の弾性変形量は僅かとなっている。 At this time, the first locked portion 32 of the convex portion 31 is located along the short direction X in the insertion direction of the convex portion 31 (FIGS. 5A to 5D) more than the second locked portion 33. Since the elastic deformation amount of the tip of the second inner peripheral wall forming portion 16b is the tip of the groove forming portion 36. It becomes larger than the amount of elastic deformation of the part. At this time, the amount of elastic deformation at the tip of the groove forming portion 36 is small.
引き続き、凸部３１を短手方向Ｘに沿って収容溝３５内に向かって押圧すると、図５（ｃ）に示すように、第１被係止部３２が収容溝３５内に移動するため、弾性変形していた第２内周壁形成部１６ｂの先端部の形状が自らの弾性復元力によって弾性変形前の元の形状に戻る。このとき、凸部３１の第２斜面３３ａによる第２係止部３９の先端面３９ａ対する押圧力が大きくなるので、溝形成部３６の先端部の弾性変形量も大きくなる。 Subsequently, when the convex portion 31 is pressed toward the accommodation groove 35 along the short direction X, the first locked portion 32 moves into the accommodation groove 35 as shown in FIG. The shape of the distal end portion of the second inner peripheral wall forming portion 16b that has been elastically deformed returns to the original shape before elastic deformation by its own elastic restoring force. At this time, since the pressing force against the tip surface 39a of the second locking portion 39 by the second inclined surface 33a of the convex portion 31 is increased, the amount of elastic deformation of the tip portion of the groove forming portion 36 is also increased.
引き続き、凸部３１を短手方向Ｘに沿って収容溝３５内に向かって押圧すると、図５（ｄ）に示すように、第２被係止部３３が収容溝３５内に移動するため、弾性変形していた溝形成部３６の先端部の形状が自らの弾性復元力によって弾性変形前の元の形状に戻る。 Subsequently, when the convex portion 31 is pressed toward the accommodation groove 35 along the short direction X, the second locked portion 33 moves into the accommodation groove 35 as shown in FIG. The shape of the tip of the groove forming portion 36 that has been elastically deformed returns to the original shape before elastic deformation by its own elastic restoring force.
これにより、第１連結部１７と第２連結部１８との連結作業、すなわち開口部３７から収容溝３５内に凸部３１を挿入する作業が完了する。この場合、凸部３１に対して収容溝３５内から開口部３７を通して引き抜かれる方向に外力が作用した場合に、第１被係止部３２及び第２被係止部３３が第１係止部３８及び第２係止部３９によってそれぞれ係止される状態となっている。 Thereby, the operation of connecting the first connecting portion 17 and the second connecting portion 18, that is, the operation of inserting the convex portion 31 into the receiving groove 35 from the opening 37 is completed. In this case, when an external force is applied to the convex portion 31 in a direction in which the convex portion 31 is pulled out from the accommodation groove 35 through the opening 37, the first locked portion 32 and the second locked portion 33 are the first locking portion. 38 and the second locking part 39 are locked.
このように、本実施形態のケーブル類保護案内装置１１では、凸部３１を開口部３７から収容溝３５内に挿入する際に、凸部３１の両側部に配置された第１被係止部３２及び第２被係止部３３が互いに異なるタイミングで開口部３７を通過する。このため、第１被係止部３２及び第２被係止部３３が同じタイミングで開口部３７を通過する場合に比べて、開口部３７を広げるための第２内周壁形成部１６ｂの先端部の弾性変形量と溝形成部３６の先端部の弾性変形量との和の最大値を小さくすることができる。 Thus, in the cable protection guide device 11 of the present embodiment, when the convex portion 31 is inserted into the receiving groove 35 from the opening portion 37, the first locked portion disposed on both sides of the convex portion 31. 32 and the second locked portion 33 pass through the opening 37 at different timings. For this reason, compared with the case where the 1st to-be-latched part 32 and the 2nd to-be-latched part 33 pass the opening part 37 at the same timing, the front-end | tip part of the 2nd inner peripheral wall formation part 16b for expanding the opening part 37 The maximum value of the sum of the amount of elastic deformation and the amount of elastic deformation of the tip of the groove forming portion 36 can be reduced.
したがって、第１被係止部３２及び第２被係止部３３が同じタイミングで開口部３７を通過する場合に比べて、小さい力で凸部３１を開口部３７から収容溝３５内に挿入することができる。よって、凸部３１を開口部３７から収容溝３５内に容易に挿入することができる。 Therefore, compared with the case where the 1st to-be-latched part 32 and the 2nd to-be-latched part 33 pass the opening part 37 at the same timing, the convex part 31 is inserted in the accommodation groove 35 from the opening part 37 with a small force. be able to. Therefore, the convex portion 31 can be easily inserted into the accommodation groove 35 from the opening portion 37.
次に、凸部３１の挿入方向（図５（ａ）〜（ｄ）では短手方向Ｘに沿って右から左に向かう方向）における第１被係止部３２と第２被係止部３３との位置を同じにした従来構成において、凸部３１を開口部３７から収容溝３５内に挿入する際の作用を比較例として以下に説明する。なお、以下の比較例では、実施形態の第１被係止部３２及び第２被係止部３３をそれぞれ第１被係止部１０１及び第２被係止部１０２に変更し、これら以外の他の部材については実施形態と同じ符号を用いて説明する。 Next, the first locked portion 32 and the second locked portion 33 in the insertion direction of the convex portion 31 (the direction from right to left along the short direction X in FIGS. 5A to 5D). In the conventional configuration having the same position as, the operation when the convex portion 31 is inserted into the receiving groove 35 from the opening portion 37 will be described below as a comparative example. In the following comparative example, the first locked portion 32 and the second locked portion 33 of the embodiment are changed to the first locked portion 101 and the second locked portion 102, respectively. Other members will be described using the same reference numerals as in the embodiment.
さて、短手方向Ｘに沿うように開口部３７から収容溝３５内に凸部３１を挿入しようとすると、図６（ａ）に示すように、凸部３１の第１斜面３２ａ及び凸部３１の第２斜面３３ａが第１係止部３８の先端面３８ａ及び第２係止部３９の先端面３９ａに対してそれぞれ当接する。引き続き、凸部３１を短手方向Ｘに沿って収容溝３５内に向かって押圧すると、凸部３１の第１斜面３２ａ及び凸部３１の第２斜面３３ａが第１係止部３８の先端面３８ａ及び第２係止部３９の先端面３９ａに対してそれぞれ摺動する。 Now, when it is going to insert the convex part 31 in the accommodation groove 35 from the opening part 37 along the transversal direction X, as shown to Fig.6 (a), the 1st slope 32a and the convex part 31 of the convex part 31 are shown. The second inclined surface 33 a abuts against the tip surface 38 a of the first locking portion 38 and the tip surface 39 a of the second locking portion 39. Subsequently, when the convex portion 31 is pressed in the housing groove 35 along the short direction X, the first inclined surface 32a of the convex portion 31 and the second inclined surface 33a of the convex portion 31 are the front end surface of the first locking portion 38. It slides with respect to the front end surface 39a of 38a and the 2nd latching | locking part 39, respectively.
すると、図６（ｂ）に示すように、凸部３１の第１斜面３２ａ及び凸部３１の第２斜面３３ａが第１係止部３８の先端面３８ａ及び第２係止部３９の先端面３９ａをそれぞれ押圧するため、開口部３７が広がるように第２内周壁形成部１６ｂの先端部及び溝形成部３６の先端部が弾性変形する。 Then, as shown in FIG. 6B, the first inclined surface 32 a of the convex portion 31 and the second inclined surface 33 a of the convex portion 31 are the distal end surface 38 a of the first locking portion 38 and the distal end surface of the second locking portion 39. In order to press each 39a, the front-end | tip part of the 2nd inner peripheral wall formation part 16b and the front-end | tip part of the groove formation part 36 are elastically deformed so that the opening part 37 may spread.
このとき、挿入方向（図６（ａ）〜（ｃ）では短手方向Ｘに沿って右から左に向かう方向）における凸部３１の第１被係止部１０１と第２被係止部１０２との位置が同じであるため、第２内周壁形成部１６ｂの先端部の弾性変形量と、溝形成部３６の先端部の弾性変形量とが同じタイミングで最大値をとる。 At this time, the first locked portion 101 and the second locked portion 102 of the convex portion 31 in the insertion direction (the direction from right to left along the short direction X in FIGS. 6A to 6C). Therefore, the amount of elastic deformation at the tip of the second inner peripheral wall forming portion 16b and the amount of elastic deformation at the tip of the groove forming portion 36 take the maximum value at the same timing.
その後、さらに、凸部３１を短手方向Ｘに沿って収容溝３５内に向かって押圧すると、図６（ｃ）に示すように、第１被係止部１０１及び第２被係止部１０２が収容溝３５内に移動するため、弾性変形していた第２内周壁形成部１６ｂの先端部の形状及び溝形成部３６の先端部の形状がそれらの弾性復元力によってそれぞれ弾性変形前の元の形状に戻る。これにより、第１連結部１７と第２連結部１８との連結作業、すなわち開口部３７から収容溝３５内に凸部３１を挿入する作業が完了する。 Thereafter, when the convex portion 31 is further pressed into the accommodating groove 35 along the short direction X, as shown in FIG. 6C, the first locked portion 101 and the second locked portion 102. Is moved into the housing groove 35, and the shape of the tip of the second inner peripheral wall forming portion 16b and the shape of the tip of the groove forming portion 36, which were elastically deformed, are respectively restored to their original values before elastic deformation by their elastic restoring forces. Return to shape. As a result, the connecting operation between the first connecting portion 17 and the second connecting portion 18, that is, the operation of inserting the convex portion 31 into the receiving groove 35 from the opening 37 is completed.
このように、比較例では、凸部３１を開口部３７から収容溝３５内に挿入する際に、凸部３１の両側部に配置された第１被係止部１０１及び第２被係止部１０２が同じタイミングで開口部３７を通過する。このため、第１被係止部３２及び第２被係止部３３が異なるタイミングで開口部３７を通過する上記実施形態の場合に比べて、開口部３７を広げるための第２内周壁形成部１６ｂの先端部の弾性変形量と溝形成部３６の先端部の弾性変形量との和の最大値が大きくなってしまう。 Thus, in the comparative example, when the convex portion 31 is inserted into the receiving groove 35 from the opening portion 37, the first locked portion 101 and the second locked portion disposed on both side portions of the convex portion 31. 102 passes through the opening 37 at the same timing. For this reason, the 2nd inner peripheral wall formation part for expanding the opening part 37 compared with the case of the said embodiment in which the 1st to-be-latched part 32 and the 2nd to-be-latched part 33 pass the opening part 37 at a different timing. The maximum value of the sum of the amount of elastic deformation of the tip end portion of 16b and the amount of elastic deformation of the tip end portion of the groove forming portion 36 becomes large.
したがって、第１被係止部３２及び第２被係止部３３が異なるタイミングで開口部３７を通過する上記実施形態の場合に比べて、凸部３１を開口部３７から収容溝３５内に挿入するために必要な力が大きくなってしまうので、凸部３１を開口部３７から収容溝３５内に挿入し難くなる。 Therefore, the convex portion 31 is inserted into the receiving groove 35 from the opening 37 as compared to the case of the above embodiment in which the first locked portion 32 and the second locked portion 33 pass through the opening 37 at different timings. Since the force required to do so increases, it becomes difficult to insert the convex portion 31 into the housing groove 35 from the opening portion 37.
次に、上記実施形態のケーブル類保護案内装置１１において、使用時に、第１連結部１７と第２連結部１８との連結状態が解除されるときの作用、すなわち収容溝３５内に挿入されている凸部３１が開口部３７から抜き出されるときの作用について説明する。 Next, in the cable protection guide device 11 of the above-described embodiment, when the connection state between the first connection portion 17 and the second connection portion 18 is released during use, that is, the cable is inserted into the accommodation groove 35. The operation when the protruding convex portion 31 is extracted from the opening 37 will be described.
さて、移動体（図示略）が長手方向Ｙに往復移動すると、ケーブル類保護案内装置１１はその湾曲部分Ｗが移動体（図示略）に追従して変位するようにして長手方向Ｙに往復移動する。すると、ケーブル類保護案内装置１１により、収容空間ＳＫに収容されたケーブル類ＴＫが移動体（図示略）の移動に合わせて保護されながら案内される。このとき、ケーブル類保護案内装置１１における湾曲部分Ｗの内周側（内周壁２１側）では、第１内周壁形成部１６ａと第２内周壁形成部１６ｂとが短手方向Ｘにおいて離れる方向に力が作用する。 When the moving body (not shown) reciprocates in the longitudinal direction Y, the cables protection guide device 11 reciprocates in the longitudinal direction Y so that the curved portion W displaces following the moving body (not shown). To do. Then, the cables TK accommodated in the accommodation space SK are guided by the cables protection guide device 11 while being protected in accordance with the movement of the moving body (not shown). At this time, on the inner peripheral side (the inner peripheral wall 21 side) of the curved portion W in the cables protection guide device 11, the first inner peripheral wall forming portion 16a and the second inner peripheral wall forming portion 16b are separated in the lateral direction X. Force acts.
すると、凸部３１が収容溝３５内から開口部を通って抜け出す方向（挿入方向の反対方向）に力が作用し、図７（ａ）に示すように、まず、凸部３１の第２被係止部３３が溝形成部３６の第２係止部３９によって係止される。引き続き上記力が作用することによって第２被係止部３３が第２係止部３９に係止されるときの荷重が所定値以上になると、図７（ｂ）に示すように、凸部３１が第２係止部３９側に傾いて、凸部３１の第１被係止部３２が溝形成部３６の第１係止部３８によって係止される。 Then, a force acts in a direction in which the convex portion 31 is pulled out from the accommodation groove 35 through the opening (opposite direction of the insertion direction), and first, as shown in FIG. The locking portion 33 is locked by the second locking portion 39 of the groove forming portion 36. When the load when the second locked portion 33 is locked to the second locking portion 39 by the above-described force continues to become a predetermined value or more, as shown in FIG. Is inclined toward the second locking portion 39, and the first locked portion 32 of the convex portion 31 is locked by the first locking portion 38 of the groove forming portion 36.
引き続き上記力が作用すると、図７（ｃ）に示すように、開口部３７が広がるように第２内周壁形成部１６ｂの先端部及び溝形成部３６の先端部が弾性変形し始める。このとき、第１被係止部３２が第１係止部３８によって係止される位置は、第２被係止部３３が第２係止部３９によって係止される位置よりも、内周壁２１（第１内周壁形成部１６ａ及び第２内周壁形成部１６ｂ）に対して近い。 When the force continues to act, as shown in FIG. 7C, the distal end portion of the second inner peripheral wall forming portion 16b and the distal end portion of the groove forming portion 36 start to be elastically deformed so that the opening 37 is widened. At this time, the position where the first locked portion 32 is locked by the first locking portion 38 is closer to the inner peripheral wall than the position where the second locked portion 33 is locked by the second locking portion 39. 21 (first inner peripheral wall forming portion 16a and second inner peripheral wall forming portion 16b).
このため、第１被係止部３２が第１係止部３８によって係止されるときの荷重は、第２被係止部３３が第２係止部３９によって係止されるときの荷重よりも格段に大きくなる。しかしながら、本実施形態では、凸部３１における第１被係止部３２は、第２被係止部３３よりも凸部３１の挿入方向（図７（ａ）〜（ｄ）では短手方向Ｘに沿って右から左に向かう方向）の前側（図７（ａ）〜（ｄ）では左側）に配置されている。 For this reason, the load when the first locked portion 32 is locked by the first locking portion 38 is greater than the load when the second locked portion 33 is locked by the second locking portion 39. Will be much larger. However, in the present embodiment, the first locked portion 32 of the convex portion 31 is inserted in the direction of insertion of the convex portion 31 relative to the second locked portion 33 (the short direction X in FIGS. 7A to 7D). Along the direction from the right to the left) (the left side in FIGS. 7A to 7D).
このため、第１被係止部３２が第１係止部３８によって係止されるときの荷重と、第２被係止部３３が第２係止部３９によって係止されるときの荷重との差が大きくなることが抑制される。したがって、第１被係止部３２と第２被係止部３３との間での荷重の偏りが抑制されるので、第１係止部３８による第１被係止部３２の係止状態が維持される。 Therefore, the load when the first locked portion 32 is locked by the first locking portion 38 and the load when the second locked portion 33 is locked by the second locking portion 39 An increase in the difference is suppressed. Therefore, since the bias of the load between the first locked portion 32 and the second locked portion 33 is suppressed, the locked state of the first locked portion 32 by the first locking portion 38 is Maintained.
引き続き上記力が作用すると、第２内周壁形成部１６ｂの先端部は、溝形成部３６の先端部よりも、格段に大きく弾性変形する。すると、図７（ｄ）に示すように、第１係止部３８による第１被係止部３２の係止状態が解除される。その後、第２係止部３９による第２被係止部３３の係止状態が解除され、収容溝３５内に挿入されている凸部３１が開口部３７から抜き出される。 When the force continues to be applied, the distal end portion of the second inner peripheral wall forming portion 16 b is elastically deformed much more significantly than the distal end portion of the groove forming portion 36. Then, as shown in FIG. 7D, the locked state of the first locked portion 32 by the first locking portion 38 is released. Thereafter, the locked state of the second locked portion 33 by the second locking portion 39 is released, and the convex portion 31 inserted into the receiving groove 35 is extracted from the opening portion 37.
次に、凸部３１の挿入方向（図７（ａ）〜（ｄ）では短手方向Ｘに沿って右から左に向かう方向）における第１被係止部３２と第２被係止部３３との位置を同じにした従来構成において、収容溝３５内に挿入されている凸部３１が開口部３７から抜き出される際の作用を比較例として以下に説明する。なお、以下の比較例では、実施形態の第１被係止部３２及び第２被係止部３３をそれぞれ第１被係止部１０１及び第２被係止部１０２に変更し、これら以外の他の部材については実施形態と同じ符号を用いて説明する。 Next, the first locked portion 32 and the second locked portion 33 in the insertion direction of the convex portion 31 (the direction from right to left along the short direction X in FIGS. 7A to 7D). In the conventional configuration having the same position as, the operation when the convex portion 31 inserted into the accommodation groove 35 is extracted from the opening portion 37 will be described below as a comparative example. In the following comparative example, the first locked portion 32 and the second locked portion 33 of the embodiment are changed to the first locked portion 101 and the second locked portion 102, respectively. Other members will be described using the same reference numerals as in the embodiment.
さて、第１内周壁形成部１６ａと第２内周壁形成部１６ｂとが短手方向Ｘにおいて離れる方向に力が作用すると、凸部３１が収容溝３５内から開口部を通って抜け出す方向（挿入方向の反対方向）に力が作用する。すると、図８（ａ）に示すように、凸部３１の第１被係止部１０１及び第２被係止部１０２が溝形成部３６の第１係止部３８及び第２係止部３９によってそれぞれ係止される。 When a force acts in a direction in which the first inner peripheral wall forming portion 16a and the second inner peripheral wall forming portion 16b are separated in the lateral direction X, the protruding portion 31 is pulled out from the accommodation groove 35 through the opening (insertion). The force acts in the opposite direction). Then, as shown in FIG. 8A, the first locked portion 101 and the second locked portion 102 of the convex portion 31 are replaced with the first locked portion 38 and the second locked portion 39 of the groove forming portion 36. Respectively.
このとき、第１被係止部１０１が第１係止部３８によって係止される位置は、第２被係止部１０２が第２係止部３９によって係止される位置よりも、内周壁２１（第１内周壁形成部１６ａ及び第２内周壁形成部１６ｂ）に対して近い。このため、第１被係止部１０１が第１係止部３８によって係止されるときの荷重は、第２被係止部１０２が第２係止部３９によって係止されるときの荷重よりも格段に大きくなる。 At this time, the position where the first locked portion 101 is locked by the first locking portion 38 is closer to the inner peripheral wall than the position where the second locked portion 102 is locked by the second locking portion 39. 21 (first inner peripheral wall forming portion 16a and second inner peripheral wall forming portion 16b). For this reason, the load when the first locked portion 101 is locked by the first locking portion 38 is greater than the load when the second locked portion 102 is locked by the second locking portion 39. Will be much larger.
したがって、引き続き上記力が作用すると、図８（ｂ）に示すように、第２内周壁形成部１６ｂの先端部が直ぐに大きく弾性変形し、第１係止部３８による第１被係止部１０１の係止状態が簡単に解除されてしまう。その後、第２係止部３９による第２被係止部１０２の係止状態が解除され、収容溝３５内に挿入されている凸部３１が開口部３７から抜き出される。 Therefore, when the above force continues to be applied, as shown in FIG. 8B, the tip end portion of the second inner peripheral wall forming portion 16b is immediately greatly elastically deformed, and the first locked portion 101 by the first locking portion 38 is obtained. The locked state of is easily released. Thereafter, the locked state of the second locked portion 102 by the second locking portion 39 is released, and the convex portion 31 inserted into the receiving groove 35 is extracted from the opening portion 37.
以上詳述した実施形態によれば、次のような効果が発揮される。
（１）ケーブル類保護案内装置１１において、凸部３１の両側部にそれぞれ配置された第１被係止部３２及び第２被係止部３３は、凸部３１が開口部３７から収容溝３５内に挿入される際の挿入方向の位置が互いに異なっている。このため、凸部３１を開口部３７から収容溝３５内に挿入する際に、凸部３１の両側部にそれぞれ配置された第１被係止部３２及び第２被係止部３３が異なるタイミングで開口部３７を通過する。したがって、第１被係止部３２及び第２被係止部３３が同じタイミングで開口部３７を通過する場合に比べて開口部３７を広げるための第２内周壁形成部１６ｂの先端部の弾性変形量と溝形成部３６の先端部の弾性変形量との和の最大値を小さくすることができる。この結果、第１被係止部３２及び第２被係止部３３が同じタイミングで開口部３７を通過する場合に比べて、小さい力で凸部３１を開口部３７から収容溝３５内に挿入することができる。よって、一方向に延びるシート１２を折り曲げてケーブル類ＴＫを収容する収容空間ＳＫを形成する際に、シート１２の短手方向Ｘの一端部に設けられた凸部３１を他端部に設けられた収容溝３５に対して開口部３７から容易に挿入することができる。
According to the embodiment detailed above, the following effects are exhibited.
(1) In the cable protection and guide device 11, the first locked portion 32 and the second locked portion 33 arranged on both sides of the convex portion 31 have the convex portion 31 extending from the opening 37 to the receiving groove 35. The positions in the insertion direction are different from each other. For this reason, when inserting the convex part 31 into the accommodation groove 35 from the opening part 37, the 1st to-be-latched part 32 and the 2nd to-be-latched part 33 which are each arrange | positioned at the both sides of the convex part 31 differ. Passes through the opening 37. Therefore, compared with the case where the first locked portion 32 and the second locked portion 33 pass through the opening 37 at the same timing, the elasticity of the tip of the second inner peripheral wall forming portion 16b for expanding the opening 37 is obtained. The maximum value of the sum of the deformation amount and the elastic deformation amount at the tip of the groove forming portion 36 can be reduced. As a result, as compared with the case where the first locked portion 32 and the second locked portion 33 pass through the opening 37 at the same timing, the convex portion 31 is inserted into the receiving groove 35 from the opening 37 with a small force. can do. Therefore, when the sheet 12 extending in one direction is bent to form the accommodation space SK for accommodating the cables TK, the convex portion 31 provided at one end portion in the short direction X of the sheet 12 is provided at the other end portion. It can be easily inserted into the receiving groove 35 from the opening 37.
（２）ケーブル類保護案内装置１１において、凸部３１の両側部に配置された第１被係止部３２及び第２被係止部３３のうち、内周壁２１からの距離が近い第１被係止部３２は、内周壁２１からの距離が遠い第２被係止部よりも挿入方向（凸部３１が開口部３７から収容溝３５内に挿入される際の方向）の前側に配置されている。通常、内周壁２１が内側となるようにケーブル類保護案内装置１１が湾曲された場合、凸部３１が収容溝３５内から開口部３７を介して抜け出す方向（上記挿入方向の反対方向）に荷重がかかる。このときの荷重は、内周壁２１に近い位置ほど大きくなるので、第１被係止部３２と第２被係止部３３との挿入方向の位置が同じである場合、第１被係止部３２が第１係止部３８に係止されるときの荷重は、第２被係止部が第２係止部３９に係止されるときの荷重よりも格段に大きくなる。このため、第１被係止部３２と第１係止部３８との係止状態が解除され易くなるので、収容溝３５から凸部３１が抜け出し易くなってしまうという問題がある。この点、本実施形態では、凸部３１において第１被係止部３２が第２被係止部３３よりも挿入方向の前側に配置されている。このため、凸部３１が収容溝３５内から開口部３７を介して抜け出す方向に荷重がかかった場合には、第２被係止部３３が第２係止部３９に係止されるときの荷重がある程度大きくなってから第１被係止部３２が第１係止部３８に係止される。したがって、第１被係止部３２が第１係止部３８に係止されるときの荷重と、第２被係止部３３が第２係止部３９に係止されるときの荷重との差が小さくなるので、第１被係止部３２と第２被係止部３３との間での荷重の偏りを抑制できる。よって、第１被係止部３２と第１係止部３８との係止状態が解除され難くなるので、凸部３１が収容溝３５から抜け出すことを抑制することができる。 (2) In the cable protection and guide device 11, of the first locked portion 32 and the second locked portion 33 arranged on both sides of the convex portion 31, the first covered portion having a short distance from the inner peripheral wall 21. The locking part 32 is arranged on the front side in the insertion direction (the direction when the convex part 31 is inserted into the receiving groove 35 from the opening 37) rather than the second locked part that is far from the inner peripheral wall 21. ing. Usually, when the cables protection guide device 11 is curved so that the inner peripheral wall 21 is on the inner side, a load is applied in a direction in which the convex portion 31 is pulled out from the housing groove 35 through the opening 37 (the direction opposite to the insertion direction). It takes. Since the load at this time becomes larger as the position is closer to the inner peripheral wall 21, the first locked portion is the same when the positions of the first locked portion 32 and the second locked portion 33 in the insertion direction are the same. The load when 32 is locked to the first locking portion 38 is significantly larger than the load when the second locked portion is locked to the second locking portion 39. For this reason, since the locked state of the first locked portion 32 and the first locking portion 38 is easily released, there is a problem that the convex portion 31 is easily pulled out from the receiving groove 35. In this regard, in the present embodiment, the first locked portion 32 is arranged on the front side in the insertion direction with respect to the second locked portion 33 in the convex portion 31. For this reason, when a load is applied in a direction in which the convex portion 31 is pulled out from the accommodation groove 35 through the opening 37, the second locked portion 33 is locked when the second locked portion 39 is locked. The first locked portion 32 is locked to the first locking portion 38 after the load increases to some extent. Therefore, the load when the first locked portion 32 is locked to the first locking portion 38 and the load when the second locked portion 33 is locked to the second locking portion 39 Since the difference becomes small, it is possible to suppress the load bias between the first locked portion 32 and the second locked portion 33. Accordingly, the locked state between the first locked portion 32 and the first locking portion 38 is difficult to be released, so that the protrusion 31 can be prevented from coming out of the receiving groove 35.
（４）ケーブル類保護案内装置１１において、凸部３１が収容溝３５内に挿入されて収容空間ＳＫが形成された状態では、凸部３１及び収容溝３５が収容空間ＳＫの外側に配置されている。このため、凸部３１及び収容溝３５（第２連結部１８）を収容空間ＳＫ内に配置する場合に比べて、収容空間ＳＫを広く確保することができる。 (4) In the cable protection guide device 11, in a state where the convex portion 31 is inserted into the accommodating groove 35 to form the accommodating space SK, the convex portion 31 and the accommodating groove 35 are arranged outside the accommodating space SK. Yes. For this reason, compared with the case where the convex part 31 and the accommodation groove | channel 35 (2nd connection part 18) are arrange | positioned in the accommodation space SK, the accommodation space SK can be ensured widely.
（５）ケーブル類保護案内装置１１において、凸部３１が収容溝３５内に挿入されて収容空間ＳＫが形成された状態では、開口部３７を二等分する面Ｆが凸部３１を二等分する。このため、凸部３１が収容溝３５内から開口部３７を介して抜け出す方向（挿入方向の反対方向）に荷重がかかった場合に、第１被係止部３２及び第２被係止部３３を第１係止部３８及び第２係止部３９によってそれぞれ荷重のバランスが良い状態で係止することができる。 (5) In the cable protection guide device 11, in a state where the convex portion 31 is inserted into the accommodation groove 35 and the accommodation space SK is formed, the surface F that bisects the opening 37 bisects the convex portion 31. Divide. For this reason, when a load is applied in a direction in which the convex portion 31 is pulled out from the accommodation groove 35 through the opening 37 (opposite direction of the insertion direction), the first locked portion 32 and the second locked portion 33. Can be locked by the first locking portion 38 and the second locking portion 39 in a state where the load balance is good.
（変更例）
なお、上記実施形態は次のように変更してもよい。
・図９に示すように、ケーブル類保護案内装置１１において、凸部３１が収容溝３５に挿入されて収容空間ＳＫが形成された状態では、凸部３１及び収容溝３５が収容空間ＳＫ内に配置されるように構成してもよい。このようにすれば、凸部３１及び収容溝３５（第２連結部１８）を収容空間ＳＫの外側に配置する場合に比べて、ケーブル類保護案内装置１１全体の大きさを小さくすることができる。
(Example of change)
In addition, you may change the said embodiment as follows.
As shown in FIG. 9, in the cable protection guide device 11, in a state where the convex portion 31 is inserted into the accommodating groove 35 and the accommodating space SK is formed, the convex portion 31 and the accommodating groove 35 are in the accommodating space SK. You may comprise so that it may arrange | position. If it does in this way, compared with the case where the convex part 31 and the accommodation groove 35 (2nd connection part 18) are arrange | positioned outside the accommodation space SK, the magnitude | size of the cable protection guide apparatus 11 whole can be made small. .
・ケーブル類保護案内装置１１において、凸部３１が収容溝３５内に挿入されて収容空間ＳＫが形成された状態では、開口部３７を二等分する面Ｆが必ずしも凸部３１を二等分する必要はない。 In the cable protection guide device 11, when the convex portion 31 is inserted into the accommodating groove 35 to form the accommodating space SK, the surface F that bisects the opening 37 does not necessarily bisect the convex portion 31. do not have to.
・ケーブル類保護案内装置１１において、凸部３１の両側部に配置された第１被係止部３２及び第２被係止部３３のうち、内周壁２１からの距離が近い第１被係止部３２は、内周壁２１からの距離が遠い第２被係止部よりも挿入方向（凸部３１が開口部３７から収容溝３５内に挿入される際の方向）の後側に配置してもよい。 In the cable protection guide device 11, the first locked portion of the first locked portion 32 and the second locked portion 33 arranged on both side portions of the convex portion 31 that is close to the inner peripheral wall 21. The portion 32 is disposed behind the second locked portion that is far from the inner peripheral wall 21 in the insertion direction (the direction when the convex portion 31 is inserted into the receiving groove 35 from the opening 37). Also good.
・ケーブル類保護案内装置１１において、第１連結部１７及び第２連結部１８は、ケーブル類保護案内装置１１の長手方向Ｙの全体にわたって断続的に設けるようにしてもよい。 In the cable protection guide device 11, the first connection portion 17 and the second connection portion 18 may be provided intermittently over the entire longitudinal direction Y of the cable protection guide device 11.
・ケーブル類保護案内装置１１において、内周壁２１の厚さを厚くし、内周壁２１内に第１連結部１７及び第２連結部１８を形成するようにしてもよい。 In the cable protection guide device 11, the thickness of the inner peripheral wall 21 may be increased, and the first connecting portion 17 and the second connecting portion 18 may be formed in the inner peripheral wall 21.
１１…ケーブル類保護案内装置、１２…シート、１４…折り曲げ部、１８…第２連結部（収容部）、２１…内周壁、３１…凸部、３２…第１被係止部（被係止部）、３３…第２被係止部（被係止部）、３７…開口部、３８…第１係止部（係止部）、３９…第２係止部（係止部）、Ｆ…開口部を二等分する面、ＳＫ…収容空間、ＴＫ…ケーブル類、Ｘ…短手方向、Ｙ…長手方向。 DESCRIPTION OF SYMBOLS 11 ... Cables protection guide apparatus, 12 ... Sheet | seat, 14 ... Bending part, 18 ... 2nd connection part (accommodating part), 21 ... Inner peripheral wall, 31 ... Convex part, 32 ... 1st to-be-latched part (latched) Part), 33 ... second locked part (locked part), 37 ... opening, 38 ... first locking part (locking part), 39 ... second locking part (locking part), F ... a surface that bisects the opening, SK ... accommodation space, TK ... cables, X ... short direction, Y ... long direction.
Claims (4)
前記一端部には、凸部が設けられ、
前記他端部には、前記凸部を収容可能な収容部が設けられ、
前記凸部は、その両側部に被係止部をそれぞれ有し、
前記収容部は、開口部と、前記開口部を広げるように弾性変形されながら前記開口部から前記凸部が挿入された際に前記被係止部をそれぞれ係止可能な係止部とを有し、
前記凸部の両側部に配置されたそれぞれの前記被係止部は、前記凸部が前記開口部から前記収容部内に挿入される際の挿入方向の位置が互いに異なり、
前記凸部及び前記収容部は、前記収容空間を形成する内周壁に設けられ、
前記係止部は、前記収容部における前記開口部を挟んだ両側にそれぞれ配置され、
前記凸部の両側部に配置されたそれぞれの前記被係止部のうち、前記内周壁からの距離が近い方は第１被係止部とされ、前記内周壁からの距離が遠い方は第２被係止部とされ、
前記第１被係止部は、前記第２被係止部よりも前記挿入方向の前側に配置されていることを特徴とするケーブル類保護案内装置。 An accommodation formed so as to extend along the longitudinal direction of the sheet inside the sheet by bending a sheet extending in one direction at a folding portion and connecting one end and the other end of the sheet in the short direction. A cable protection guide device that accommodates cables in a space,
The one end is provided with a convex part,
The other end portion is provided with a receiving portion capable of receiving the convex portion,
The convex part has a locked part on both sides thereof,
The accommodating portion has an opening and a locking portion that can lock the locked portion when the convex portion is inserted from the opening while being elastically deformed to widen the opening. And
Each of the locked portion disposed on both sides of the convex portion, the insertion position of when the protrusion is inserted into the receptacle from the opening varies from each other,
The convex portion and the accommodating portion are provided on an inner peripheral wall forming the accommodating space,
The locking portions are respectively disposed on both sides of the opening in the accommodating portion,
Of each of the locked portions disposed on both sides of the convex portion, the one closer to the inner peripheral wall is the first locked portion, and the one farther from the inner peripheral wall is the first 2 locked parts,
The cable protection guide device, wherein the first locked portion is disposed on the front side in the insertion direction with respect to the second locked portion .
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014233933A JP6209504B2 (en) | 2014-11-18 | 2014-11-18 | Cable protection guide device |
| KR1020177015764A KR101965088B1 (en) | 2014-11-18 | 2015-11-13 | Guide device for elongated object |
| CN201580053602.6A CN107076264B (en) | 2014-11-18 | 2015-11-13 | The guiding device of bar |
| DE112015005206.2T DE112015005206T5 (en) | 2014-11-18 | 2015-11-13 | Guiding device for an elongate object |
| PCT/JP2015/082019 WO2016080316A1 (en) | 2014-11-18 | 2015-11-13 | Guide device for elongated object |
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| JP2014233933A JP6209504B2 (en) | 2014-11-18 | 2014-11-18 | Cable protection guide device |
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| JP6209504B2 true JP6209504B2 (en) | 2017-10-04 |
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| JP3717071B2 (en) * | 2002-11-05 | 2005-11-16 | 株式会社椿本チエイン | Sealed cable drag chain |
| JP2008025775A (en) * | 2006-07-24 | 2008-02-07 | Tsubakimoto Chain Co | Collapsible cable protection guiding device |
| JP4391547B2 (en) * | 2007-04-17 | 2009-12-24 | 株式会社椿本チエイン | Tube type cable protection guide device |
| JP5800844B2 (en) * | 2013-03-13 | 2015-10-28 | 株式会社椿本チエイン | Tube type cable protection guide device |
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