JP4884447B2 - Cable holder - Google Patents

Cable holder Download PDF

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JP4884447B2
JP4884447B2 JP2008259047A JP2008259047A JP4884447B2 JP 4884447 B2 JP4884447 B2 JP 4884447B2 JP 2008259047 A JP2008259047 A JP 2008259047A JP 2008259047 A JP2008259047 A JP 2008259047A JP 4884447 B2 JP4884447 B2 JP 4884447B2
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metal plate
rigid metal
cable
synthetic resin
back plate
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JP2010063341A (en
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茂幸 横堀
守男 中野
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株式会社浅羽製作所
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Description

本発明は、通信ケーブル等をトンネルの壁面部に沿って布設するときに用いる、ケーブル受け具に関する。 The present invention relates to a cable holder used when laying a communication cable or the like along a wall surface of a tunnel.

ケーブルを布設するときに用いる従来のケーブル受け具は、一般的にはケーブルの布設箇所に固定した支持金具への支承部である背盤部と、該背盤部の前面より突出してケーブルの受け部になる上向き円弧面状の受け面を備えた肩部が一体的に構成されている、合成樹脂製の型物成形品(例えば、特許文献1参照)である。なお、上記支持金具は、アンカーボルト等を用いて壁面部への固定部となる上下両端に連設された耳部を除いて、断面形状がコの字状であって、その左右両辺は背盤部を掛け止めできるように内向きの掛止縁に形成されている。
実開平723945号公報
A conventional cable holder used for laying a cable generally includes a backboard portion that is a support portion for a support bracket fixed to the cable laying portion, and a cable receiving portion that protrudes from the front surface of the backboard portion. This is a synthetic resin mold product (for example, see Patent Document 1) in which a shoulder portion having an upward arcuate surface-shaped receiving surface is integrally formed. The support bracket has a U-shaped cross-section except for the ears connected to the upper and lower ends, which are fixed to the wall surface using anchor bolts, etc. It is formed on the inward retaining edge so that the board portion can be latched.
Japanese Utility Model Publication No. 723945

上記従来のケーブル受け具は、トンネル内で発生する高温火災の影響を直接受けた場合等に樹脂が溶融劣化して破壊し、支持金具への支承機能が喪失してケーブルが脱落する事故は避けられないという問題がある。かかる問題を解消するために、一枚の鉄板をプレス加工して背盤部と肩部が一体的に構成された金属板製ケーブル受け具が必要に応じて用いられて来ているが、加工及び素材の両面で上記合成樹脂製のものと比較しかなりのコスト高になるとことは避けられず、その解決策が要望されていた。 The conventional cable brackets described above avoid accidents in which the resin melts and degrades when it is directly affected by a high-temperature fire that occurs in a tunnel, and the support function to the support bracket is lost and the cable falls off. There is a problem that can not be. In order to solve such a problem, a metal plate cable holder in which a back plate portion and a shoulder portion are integrally formed by pressing a single iron plate has been used as necessary. In addition, it is inevitable that the cost will be considerably higher than that of the above synthetic resin on both sides of the material, and a solution has been desired.

本発明はこのような問題を解決したものであって、その目的は、背盤部と肩部が一体的に構成されている型物成形品を剛性金属板のインサート成形による複合構造として、ケーブルを傷つけずに受け止めできることは勿論、樹脂部分が溶融劣化して破壊しても、ケーブルの受け止め機能は剛性金属板によって十分に維持できるように改良したケーブル受け具を提供することにある。 The present invention solves such a problem, and an object of the present invention is to form a molded product in which a backboard portion and a shoulder portion are integrally formed as a composite structure by insert molding of a rigid metal plate, and to provide a cable. It is of course to provide an improved cable holder so that the cable receiving function can be sufficiently maintained by the rigid metal plate even if the resin portion is melted and deteriorated and broken even if the resin portion is broken.

上記目的を達成するために、本発明の請求項1に係るケーブル受け具は、ケーブルの布設箇所に固定した支持金具への支承部である背部と、その背盤部の前面より突出してケーブルの受け部になる上向き円弧面状の受け面を備え、且つ、当該受け面の下側が、合成樹脂層による複数の補強リブによって略額縁状に形成されている肩部とに渡って剛性金属板がインサートされている合成樹脂製の型物成形品であり、且つ、その剛性金属板の上記背部に埋め込まれている背側周縁部には左右方向へ折り曲がった状態で袖板が設けられると共に、前記インサートされている剛性金属板には、前記補強リブとの結合を強固にするために樹脂を充填する複数の結合孔と、インサート成形時に支持ピンを挿通する複数の挿通用孔が設けられていることを特徴としているTo achieve the above object, the cable receptacle according to claim 1 of the present invention, a back plate portion which is a support portion of the support bracket fixed to the laying position of the cable protrudes from the front surface of the back plate portion includes an upward circular arc surface shaped receiving surface formed on the receiving portion of the cable, and the lower of those said receiving surface, across the shoulder portion is formed in a substantially frame shape by a plurality of reinforcing ribs with synthetic resin layer, state type was molded article der synthetic resin-made rigid metal plate is insert is, and, on the back side peripheral portion is embedded in the back plate portion of the rigid metal plate, which bent in the lateral direction In addition to the sleeve plate , the inserted rigid metal plate has a plurality of coupling holes filled with resin for strengthening the coupling with the reinforcing rib, and a plurality of support pins inserted during insert molding. insertion holes are formed of It is characterized by a door.

また、本発明の請求項2に係るケーブル受け具は、前記左右一対の袖板は段違い状にして、その各一対が前記剛性金属板の上下両端寄りにそれぞれ設けられていることを特徴としている Further, the cable receptacle according to claim 2 of the present invention, the pair of right and left sleeves plates, in the stepped shape, and characterized in that the respective pairs are respectively provided on both upper and lower ends toward said rigid metal plate Is doing .

また、本発明の請求項3に係るケーブル受け具は、前記受け面の下面とその下側周縁との間には、前記剛性金属板を挟着する状態で、合成樹脂層による複数本の補強リブが間隔を置いて設けられていることを特徴としている Further, the cable receptacle according to claim 3 of the present invention, between the lower surface of the receiving surface and its lower peripheral edge, the rigid metal plate in a state that pinched, reinforcing the plurality of by synthetic resin layer ribs, is characterized in that provided at intervals.

本発明の上記構成において、左右一対の袖板は段違い状にして剛性金属板の背側周縁部の上下両端寄りにそれぞれ設けられていることが、前述したような災害時でも支持金具にケーブル受け具を支承させることができて、ケーブルの不当な脱落を防止る上で好ましい。また、受け面の下面とその下側周縁との間には、剛性金属板を挟着(インサート)する状態で、合成樹脂層による補強リブを間隔を置いて設け、堅牢なケーブル受け具を構成できるように実施する。 In the above-described configuration of the present invention, the pair of left and right sleeve plates are provided in steps so as to be provided near the upper and lower ends of the back side peripheral portion of the rigid metal plate. The tool can be supported, which is preferable in preventing the cable from unreasonably falling off. In addition, a rigid metal plate is sandwiched (inserted) between the lower surface of the receiving surface and the lower peripheral edge, and reinforcing ribs with a synthetic resin layer are provided at intervals to form a robust cable holder Implement as much as possible.

なお、補強リブは背盤部と肩部の下側つけ根の部分にも、剛性金属板を挟着する状態で背盤部の前面と下側周縁との間に同様な目的で設けられていることが望ましい。また、前記した支持金具の前面側に形成されている掛止縁に背盤部の左右両側部分が掛け止められて支持金具への支承が果たされるように、肩部は背盤部の左右両側寄り部分にスペースを残して背盤部に突設されており、本ケーブル受け具の成形に用いられる素材は、好ましくは難燃性ナイロンと耐蝕めっき鋼板である。   The reinforcing rib is also provided on the lower base portion of the back plate and the shoulder portion for the same purpose between the front surface of the back plate and the lower peripheral edge with the rigid metal plate sandwiched therebetween. It is desirable. In addition, the shoulders are supported on the left and right sides of the back plate so that the left and right sides of the back plate are hooked on the retaining edges formed on the front side of the support plate and the support metal is supported. The material used for forming the cable holder is preferably flame retardant nylon and a corrosion-resistant plated steel plate, leaving a space in the side portion and projecting from the backboard.

本発明によれば、剛性金属板のインサート成形による複合構造の型物成形品であり、且つ、剛性金属板には補強リブとの結合を強固にする樹脂充填用の結合孔や、インサート成形時に支持ピンを挿通する挿通孔が設けられているから強度に優れており、軽量で取り扱い易く、素材である剛性金属板の最小限度の使用が可能でコストダウン化を図ることができる。 According to the present invention, the mold was molded article der composite structure by insert molding of the rigid metal plate is, and, and coupling hole of the resin filling to strengthen the bond between the reinforcing rib to a rigid metal plate, insert molding since the insertion hole for inserting the at supporting pin that is provided, is excellent in strength, easy to handle, lightweight, it is possible to reduce the cost of possible use of minimal rigidity metal plate which is a material.

また、ケーブルに直接接触する箇所(円弧面状の受け面)は合成樹脂層であるからケーブルの損傷を防止できることは勿論、火災時でも剛性金属板の存在により、合成樹脂層が火災の熱で溶解しても、剛性金属板がケーブル脱落防止の受け止め機能を完全に発揮できるという、極めて顕著な効果を奏するものである。 Further, portions in direct contact with the cable (circular arc surface shaped receiving surface), of course, that because a synthetic resin layer can be prevented damage to the cables, the presence of the rigid metal plate even in a fire, the synthetic resin layer is a fire heat Even if it is melted, the rigid metal plate has a very remarkable effect that the receiving function for preventing the cable from falling off can be fully exhibited.

以下に、本発明の実施形態を図面を参照して説明する。1はケーブルの布設箇所に固定した支持金具(図示せず)への支承部である背盤部、2はこの背盤部1の前面11より突出して、ケーブル(図示せず)の受け部になる上向き円弧面状の受け面21を備え、且つ、該受け面21の下側が複数の略額縁状に形成されている肩部であり、この肩部2は背盤部1の左右両側寄り部分にスペースを残して突設されている。背盤部1と肩部2は剛性金属板3が一体的にインサートされている合成樹脂製の型物成形品であって、その成形に使用される素材は、好ましくは難燃性ナイロンと厚みが2.3mmの耐蝕めっき鋼板である。 Embodiments of the present invention will be described below with reference to the drawings. 1 Severn part a bearing to the support bracket fixed to the laying position of the cable (not shown), 2 protrudes from the front surface 11 of the Severn portion 1, the receiving portion of the cable (not shown) includes an upward circular arc surface shaped receiving surface 21 formed, and a shoulder portion lower side of the receiving surface 21 is formed in a plurality of substantially frame shape, the shoulder 2 left and right side inner portion of the Severn section 1 Projected to leave a space. Severn portion 1 and the shoulder section 2, the rigid metal plate 3 is of a type product molded article made of synthetic resin are integrally insert, material used for the molding, preferably a flame-retardant nylon It is a corrosion-resistant plated steel sheet having a thickness of 2.3 mm.

また、背盤部1に埋め込まれている剛性金属板3の背側周縁部31aには左右方向へ折り曲がった状態で上下一対の袖板32,32が段違い状に設けられており、図示の場合、上下一対の袖板32,32は背側周縁部31の上下両端側にそれぞれ設けられている。また、受け面21の下面と背盤部1の前面11及び肩部2の下側周縁22との間には、剛性金属板3を挟着する状態で、合成樹脂層による複数本の補強リブ23a,23bが間隔を置いて設けられている(図示の場合は5箇所)。 In addition, the dorsal periphery 31a of the rigid metal plate 3 that is embedded in the Severn unit 1, in a state where the bent in the lateral direction is a pair of upper and lower sleeves plates 32 and 32 provided on the stepped shape, illustrated for a pair of upper and lower sleeves plates 32, 32 are provided respectively on the upper and lower end sides of the dorsal periphery 31 a. In addition, a plurality of reinforcing ribs made of a synthetic resin layer with the rigid metal plate 3 sandwiched between the lower surface of the receiving surface 21 and the lower peripheral edge 22 of the front surface 11 and the shoulder portion 2 of the backboard portion 1. 23a and 23b are provided at intervals (in the illustrated case, five locations).

これ等の補強リブ23a,23bは、合成樹脂層と剛性金属板との結合を強固にするため、成形時に剛性金属板3にあけられていた複数の結合孔33(図4,5参照)に充填された樹脂と一体化しており、背盤部1と肩部2の下側つけ根の部分にも、剛性金属板3を挟着する状態で、背盤部1の前面11及び下側周縁22との間に同様な目的で補強リブ24が設けられている。 This like reinforcing rib 23a ..., 23b ..., in order to strengthen the bond between the synthetic resin layer and the rigid metal plate 3, a plurality of coupling which has been drilled in the rigid metal plate 3 during molding hole 33 ... (Fig. 4, 5) and is integrated with the resin filled in the back plate portion 1 and the lower base portion of the shoulder portion 2 with the rigid metal plate 3 sandwiched between the front surface 11 of the back plate portion 1 and A reinforcing rib 24 is provided between the lower peripheral edge 22 for the same purpose.

なお、樹脂の使用量低減と樹脂成形部分の厚み(受け面21では3mm程度)均一化の目的で、背盤部1の背面部側は中央部分を除いて袖板32の存在しない部分が凹み部12に、また中央部分は両側面からの刳り貫いたトンネル部13にそれぞれ形成されている。   For the purpose of reducing the amount of resin used and making the thickness of the resin molded part uniform (about 3 mm for the receiving surface 21), the back side of the backboard part 1 has a recessed portion where the sleeve plate 32 does not exist except for the central part. The center portion is formed in the tunnel portion 13 penetrating from both sides.

更に図中、34は受け面21に受け止めたケーブルを縛着するために剛性金属板3にあけた縛着用窓穴、25は縛着用窓穴34との間に縛着用ワイヤーを掛け止めるために肩部2の下側周縁22に突設した掛け止め部、25aは掛け止め部25に穿設した掛け止め孔、35は剛性金属板3の下側周縁部31bに設けて掛け止め部25に埋め込まれる補強用突起、36はインサート成形時支持ピン挿通するために、上記剛性金属板3にあけた支持ピン挿通用孔である。 Further, in the figure, 34 is a binding window hole drilled in the rigid metal plate 3 for binding the cable received on the receiving surface 21, and 25 is a strap for fastening a binding wire between the binding window hole 34. Further, a latching portion protruding from the lower peripheral edge 22 of the shoulder portion 2, a latching hole 25 a drilled in the latching portion 25, and a latching portion 35 provided in the lower peripheral edge 31 b of the rigid metal plate 3. reinforcing projections embedded in 25, 36 ... in order to insert the support pins during insert molding, a support pin insertion hole bored in the rigid metal plate 3.

本発明に係るケブル受け具の実施の一形態を一部を切り欠いて背面方向から見た斜視図である。An embodiment of to case Bull receptacle according to the present invention partially cut away perspective view seen from the back direction. 図1に示すものの正面図である。It is a front view of what is shown in FIG. 図1に示すものの側面図である。It is a side view of what is shown in FIG. 図3のA−A線断面図である。FIG. 4 is a sectional view taken along line AA in FIG. 3. 図1に示すものにインサートされている剛性金属板を側面方向から見た斜視図である。It is the perspective view which looked at the rigid metal plate inserted in what is shown in FIG. 1 from the side surface direction.

1は背盤部
2は肩部
3は剛性金属板
11は前面
21は受け面
22は下側周縁
23a,23b、24は補強リブ
31aは背側周縁部
32は袖板
33は結合孔
36はインサート成形時の支持ピン挿通用孔
1 is a back plate part 2 is a shoulder part 3 is a rigid metal plate 11 is a front face 21 is a receiving surface 22 is a lower peripheral edge 23a, 23b, 24 is a reinforcing rib 31a and a back side peripheral part 32 is a sleeve plate
33 is a coupling hole
36 is a hole for inserting a support pin at the time of insert molding

Claims (3)

ケーブルの布設箇所に固定した支持金具への支承部である背部と、その背盤部の前面より突出してケーブルの受け部になる上向き円弧面状の受け面を備え、且つ、当該受け面の下側が、合成樹脂層による複数の補強リブによって略額縁状に形成されている肩部とに渡って剛性金属板がインサートされている合成樹脂製の型物成形品であり、且つ、その剛性金属板の上記背部に埋め込まれている背側周縁部には左右方向へ折り曲がった状態で袖板が設けられると共に、前記インサートされている剛性金属板には、前記補強リブとの結合を強固にするために樹脂を充填する複数の結合孔と、インサート成形時に支持ピンを挿通する複数の挿通用孔が設けられていることを特徴とするケーブル受け具。 It includes a back plate portion which is a support portion of the support bracket fixed to the laying position of the cable, an upward circular arc surface shaped receiving surface formed on the receiving portion of the cable projecting from the front surface of the back plate portion, and those receiving the lower surface is, over the shoulder portion is formed in a substantially frame shape by a plurality of reinforcing ribs with synthetic resin layers, Ri mold product molded article der synthetic resin-made rigid metal plate is inserted, and , the dorsal periphery embedded in the back plate portion of the rigid metal plate, together with the sleeve board are provided in a state in which bent in the lateral direction, the rigid metal plate that is the insert, the reinforcing A cable receiver comprising: a plurality of coupling holes filled with a resin for strengthening the coupling with a rib; and a plurality of insertion holes through which a support pin is inserted during insert molding . 前記左右一対の袖板は段違い状にして、その各一対が前記剛性金属板の上下両端寄りにそれぞれ設けられていることを特徴とする請求項1記載のケーブル受け具。 The pair of left and right sleeves plates, in the stepped shape, the cable receptacle according to claim 1, wherein the respective pairs is characterized in that provided on each of the upper and lower ends toward the rigid metal plate. 前記受け面の下面とその下側周縁との間には、前記剛性金属板を挟着する状態で、合成樹脂層による複数本の補強リブが間隔を置いて設けられていることを特徴とする請求項1又は2記載のケーブル受け具。 Between the lower surface and the lower circumferential edge of the receiving surface, in a state that pinched the rigid metal plate, a plurality of reinforcing ribs with synthetic resin layer, and being provided at a distance The cable receiver according to claim 1 or 2.
JP2008259047A 2008-09-05 2008-09-05 Cable holder Active JP4884447B2 (en)

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