JP2009022068A - Cable fall prevention tool - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a cable fall prevention tool which eliminates the need for bundling cables supported at a hook portion, and prevents fall of cables even when a cable support is already fixed to a suspension bolt regardless of whether the cables are unsupported or already supported. <P>SOLUTION: A cable support is constituted of a joint 20 being secured to a side face of a suspension bolt P, and a support 10 for supporting a cable Q. The cable fall prevention tool attached to the cable support is provided with a portion 1 which is fixed to the joint 20 removably, clamping the joint 20 from the opposite sides. A portion 2 for closing the upper part of opening of the support 10 from the fixing portion 1 is provided. A protrusion 2A oscillating resiliently downward is provided at the tip of the closing portion 2. The cable Q in substantially horizontal state is wired to the inside of the support 10 from above the resilient protrusion 2A. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a cable drop prevention device provided to be attached to a hook-type cable support that is fixed to a suspension bolt, and can be attached to an existing cable support regardless of whether the cable is supported or not. The present invention relates to a cable drop prevention device that can be used.

  When a cable is supported on a suspension bolt, a cable support using an elastic band-like clip is used as a fixture as shown in Patent Document 1. This cable support tool is a cable support tool in which a clip-shaped fixing tool connected to a suspension bolt and a hook portion bent in a substantially hook shape for supporting a cable are integrated. In order to prevent the cable supported by the hook portion from dropping off from the hook portion, the cable is bound to the hook portion with a nylon band or the like.

On the other hand, the structure of a hook portion that does not require binding work such as a nylon band is described in the cable support of Patent Document 2. This hook part is provided with an elastic closing piece that closes the opening part of the hook part, and after the cable is forcibly pushed into the hook part from the closing piece, the closing piece opens the opening part of the hook part. Since it is closed, the work of binding the hook portion and the cable with a nylon band or the like is not necessary.
Japanese Utility Model Publication No. 48-59513 JP 2002-340234 A

  In the conventional support using the clip-shaped fixture, it is necessary to bind the hook and the cable with a nylon band or the like in order to prevent the cable supported on the hook from falling off. Therefore, for example, in the case of a high place where the bundling work is difficult, the work is dangerous.

  On the other hand, since the cable support described in Patent Document 2 is provided with a closing piece on the hook portion of the cable support, it is possible to prevent the cable from falling off only when this cable support is used. It is impossible to prevent the cable supported by the cable supporter from falling off. That is, it has been impossible to close the cable support already fixed to the suspension bolt and supporting the cable with the closing piece of Patent Document 2.

  At present, a conventional cable support using a clip-like fixing tool is used very often, and it is expected that the demand for this type of cable support will continue to be high in the future. Therefore, there has been a demand for a wiring tool that can improve the wiring performance of this type of cable support without changing the conventional type of cable support.

  Therefore, the present invention has been created to solve the above-described problems, and in a cable support device provided with a hook-shaped hook portion on a clip-shaped fixture fixed to a suspension bolt, a cable supported on the hook portion. Nylon bands such as nylon bands are no longer necessary, and the cable can be prevented from falling off even if the cable support is already fixed to the suspension bolt, before or after supporting the cable. The purpose is to provide a drop-off prevention tool.

  In order to achieve the above-mentioned object, the first means in the present invention is a cable dropout attached to a cable supporter composed of a connecting body 20 fixed to the side surface of the suspension bolt P and a support body 10 that supports the cable Q. A fixing unit 1 that sandwiches the connecting body 20 from both sides and is detachably fixed to the connecting body 20; and a blocking part 2 that extends from the fixing part 1 and closes the upper opening of the support body 10. An elastic protrusion 2A that elastically swings downward is provided at the tip of the closing portion 2, and a substantially horizontal cable Q is provided from above the elastic protrusion 2A so as to be wired inside the support 10. There is.

  The connecting body 20 of the second means is provided with a bent elastic band body 21 fixed to the side surface of the suspension bolt P, and a notch-shaped bolt mechanism that forms a pair on the upper and lower sides of the longitudinal side surface of the elastic band body 21. The support body 10 includes a connection portion 11 connected to the longitudinal center portion of the connection body 20 and an arm portion 12 curved in a substantially hook shape from the connection portion 11. The left and right side edges of the longitudinal center portion of 20 are provided so as to be sandwiched by the fixing portion 1.

  The fixing portion 1 of the third means includes a sandwiching portion 1A that sandwiches the left and right side edges of the connecting body 20 from both sides, and a left and right side edge of the connecting body 20 that is provided inside the sandwiching section 1A. It is provided with a fitting groove 1B to be fitted, and is provided so as to clamp the coupling body 20 with a clamping portion 1A that is forcibly opened.

  The closing part 2 of the fourth means includes a closing arm 2B having a substantially box shape extending from the sandwiching part 1A, and a thin elastic protrusion 2A extending from the tip of the closing arm 2B. It consists of an anti-bending ridge 2C provided along the longitudinal direction of the upper surface of the blocking arm 2B to prevent the blocking arm 2B from bending upward, and the tip of the elastic protruding piece 2A extends along the vicinity of the inside of the support 10. In this case, the elastic protrusion 2A is bent so as to face downward.

  According to the first aspect of the present invention, the fixing portion 1 that sandwiches the side surface of the connecting body 20 from both sides and is detachably fixed to the connecting body 20, and the upper opening portion of the support body 10 is closed from the fixing portion 1. An elastic protrusion 2A that is composed of a closing portion 2 and that can swing up and down is provided at the tip of the closing portion 2, and a substantially horizontal cable Q is wired inside the support 10 from above the elastic protrusion 2A. Since it is installed in the cable, the work of binding the nylon band of the supported cable is no longer necessary. In addition, since the fixing portion 1 is provided to detachably fix the side surface of the connecting body 20 from both sides, and can be attached to the connecting body 20 detachably, it can be attached to the cable support already fixed to the suspension bolt. it can.

  By the fixing part 1 of Claims 2 and 3, a sandwiching part 1A for sandwiching the left and right side edges of the longitudinal center portion of the connecting body 20 from both sides, and the left and right sides of the connecting body 20 provided inside the sandwiching part 1A The elastic band body 21 is bent by the fixing portion 1 that includes a fitting groove 1B for fitting the side edges of the fixing portion 1 and detachably fixes the fixing portion 1 to the coupling body 20 by the elastic force of the sandwiching portion 1A. The mounting to the provided connecting body 20 can be performed easily and reliably.

  Moreover, since the upper portion of the support body 10 having the connecting portion 11 connected to the longitudinal center portion of the connecting body 20 and the arm portion 12 curved in a substantially hook shape from the connecting portion 11 can be closed by the closing portion 2, The cable Q supported by the arm 12 of the body 10 is reliably prevented from falling off. As a result, the blocking portion 2 can be mounted even when the cable Q is supported on the support 10.

  Furthermore, since the closing portion 2 according to claim 4 can easily support the insertion of the cable Q from the elastic protruding piece 2A portion whose front end portion is bent downward, it is safe even in wiring work at a high place. And it can be done easily. In addition, since the closing portion 2 is constituted by the elastic protruding piece 2A, the closing arm 2B, and the bending preventing protrusion 2C, the work of supporting the cable Q on the support 10 via the closing portion 2 becomes easy. The cable Q supported by the support body 10 can reliably prevent the cable Q from falling off the support body 10 by the closing portion 2.

  As described above, according to the present invention, in the cable support device including the clip-shaped fixing device that is fixed to the suspension bolt from the side surface and the hook portion that supports the cable, the operation of binding the supported cables becomes unnecessary, Regardless of whether the cable is supported before or after the cable is supported, it can be attached to a cable support already fixed to the suspension bolt to prevent the cable from falling off.

  The best mode of the cable drop prevention device of the present invention includes a fixing portion 1 that sandwiches the side surface of the connecting body 20 from both sides and is detachably fixed to the connecting body 20, and an upper opening portion of the support body 10 from the fixing portion 1. And a closing part 2 for closing. Fixing provided with a sandwiching part 1A for sandwiching the left and right side edges of the connecting body 20 from both sides, and a fitting groove 1B provided inside the sandwiching part 1A for fitting the left and right side edges of the connecting body 20 The part 1 is provided, and the fixing part 1 is detachably fixed to the connecting body 20 by the elastic force of the sandwiching part 1A. A blocking portion 2 is provided that includes a blocking arm 2B having a substantially box shape extending from the sandwiching portion 1A and the thin elastic protrusion 2A extending from the tip of the blocking arm 2B. The tip of the elastic protrusion 2A is bent downward, and the cable Q in a substantially horizontal state is provided from above the elastic protrusion 2A so as to be wired inside the support body 10, thereby achieving the original purpose. To do.

  Hereinafter, an embodiment of the dropout prevention device of the present invention will be described. In particular, the cable drop prevention device of the present invention is attached to the opening of the cable support 100 fixed to the side surface of the suspension bolt P. That is, the cable support 100 to which the present invention dropout prevention tool is attached is composed of a connecting body 20 that is fixed to the side surface of the suspension bolt P and a support 10 that supports the cable Q (see FIG. 1). .

  The coupling body 20 to be mounted with the fall-off preventing device of the present invention is provided with a bent elastic band body 21 fixed to the side surface of the suspension bolt P, and has a notch shape that forms a pair on the upper and lower sides of the longitudinal side surface of the elastic band body 21. Bolt locking port 22 (see FIG. 1). On the other hand, the support 10 includes a connecting portion 11 connected to a longitudinal center portion of the connecting body 20 and an arm portion 12 curved from the connecting portion 11 into a hook shape. The dropout prevention tool of the present invention is attached to such a cable support 100, and the basic configuration of the present invention is composed of a fixed portion 1 and a blocking portion 2 (see FIG. 3).

  The fixing portion 1 is a member that sandwiches the side surface of the connecting body 20 from both sides and is detachably fixed to the connecting body 20, and the fixing portion 1 includes a sandwiching portion 1A and a fitting groove 1B. . The sandwiching portion 1A sandwiches the left and right side edges of the longitudinal center portion of the connecting body 20 from both sides, and the fitting groove fits into the left and right side edges of the connecting body 20 inside the sandwiching portion 1A. 1B is provided. And the coupling body 20 is clamped by the elastic force of the clamping part 1A when the clamping part 1A is forcibly opened, and the fixing part 1 is detachably fixed.

  In the illustrated fixing portion 1, in order to facilitate opening of the sandwiching portion 1 </ b> A at the time of fixing, the opening angle from the base end portion in one sandwiching portion 1 </ b> A is an angle close to a right angle, and the other sandwiching portion 1 </ b> A is The opening angle from the base end is further increased to form an obtuse angle (see FIG. 4). And the clamping part 1A with a small opening angle fits the fitting groove 1B of the flange to one side edge of the coupling body 20, and rotates the fixing part 1 in this state (see FIG. 6). Then, the sandwiched portion 1A formed in an obtuse shape is expanded while contacting the other side edge, and when it is further rotated, the remaining fitting groove 1B is fitted to this side edge (see FIG. 7).

  On the other hand, the closing part 2 is a member that extends from the fixed part 1 and closes the upper opening of the support body 10. The closing part 2 has an elastic protruding piece 2A, a closing arm 2B, and an anti-bending protrusion 2C. is doing. The blocking arm 2B has a substantially box shape extending from the fixed portion 1, and the bending arm 2B is provided along the longitudinal direction of the upper surface of the blocking arm 2B so that the blocking arm 2B bends upward. It is preventing. Further, the elastic protrusion 2A is a portion provided by extending the tip of the blocking arm 2B so as to be thin, so that the cable Q in a substantially horizontal state is wired inside the support 10 from above the elastic protrusion 2A. Provided (see FIG. 8).

  The illustrated elastic projecting piece 2 </ b> A is bent such that the tip portion is directed downward along the vicinity of the inner side of the support 10. By forming the elastic protrusion 2A in this way, the elastic protrusion 2A can be bent downward, but the upward bending is prevented by contact with the arm portion 12 (see FIG. 8). As a result, when wiring the cable Q, it becomes easy to push the cable Q into the support 10 from above the elastic protrusion 2A. After the cable Q is wired into the support 10, the closing arm 2B and the elastic protrusion Since the upper opening of the support 10 is closed by 2A, the cable Q is prevented from falling off.

  The method for using the fall-off prevention device of the present invention is to use the cable-support device 100 with the fall-off prevention device of the present invention attached thereto. At this time, if the cable Q is relatively thin, the cable Q can be wired by swinging the elastic protruding piece 2A downward after attaching the drop-off preventing device of the present invention to the cable support 100 (FIG. 8). reference). In addition, when the diameter of the cable Q is thick, it is possible to attach the drop prevention tool of the present invention after the cable Q is wired to the cable support 100 (see FIG. 9). Furthermore, the fall prevention tool of the present invention is attached to the cable support 100, and the connecting body 20 can be connected to the suspension bolt P in this state (see FIG. 1). Moreover, it is also possible to attach the fall prevention tool of the present invention to the connecting body 20 of the cable support 100 that is already connected to the suspension bolt P by retrofitting.

  The present invention is not limited to the illustrated example, and design changes such as dimensions and shapes of the components of the fixing portion 1 and the closing portion 2 and changes in material can be arbitrarily performed. It can be freely changed without changing the gist.

It is a perspective view which shows the mounting state of this invention. It is a perspective view which shows the use condition of this invention. It is a side view which shows one Example of this invention. It is a top view which shows one Example of this invention. It is a bottom view which shows one Example of this invention. It is a top view which shows the state before mounting | wearing of this invention. It is a top view which shows the state after mounting | wearing of this invention. It is a side view which shows the use condition of this invention. It is a disassembled side view which shows the use condition of this invention.

Explanation of symbols

P suspension bolt Q cable 1 fixed portion 1A clamping portion 1B fitting groove 2 closing portion 2A elastic protrusion 2B closing arm 2C bending prevention protrusion 10 support 11 connecting portion 12 arm portion 20 connecting body 21 elastic band 22 bolt engagement Stop 100 Cable support

Claims (4)

A cable drop-off prevention tool to be attached to a cable support composed of a connection body fixed to the side of the suspension bolt and a support body for supporting the cable. The connection body can be detachably attached to the connection body by sandwiching the connection body from both sides. A fixed portion that is fixed to the closed portion, and a closed portion that extends from the fixed portion and closes the upper opening of the support, and is provided with an elastic protruding piece that elastically swings downward at the tip of the closed portion. A cable drop prevention device, characterized in that a cable in a substantially horizontal state is provided from above to be wired inside a support. The connecting body is provided with a bent elastic band that is fixed to the side surface of the suspension bolt, and is formed with a notched bolt locking port that forms a pair on the upper and lower sides of the longitudinal side surface of the elastic band. The support body has a connecting portion connected to the longitudinal center portion of the connecting body and an arm portion curved in a substantially hook shape from the connecting portion, and the left and right side edges of the longitudinal center portion of the connecting body are fixed to the support body. The cable drop prevention tool according to claim 1, wherein the cable drop prevention tool is provided so as to be clamped at a portion. The fixing portion includes a sandwiching portion that sandwiches the left and right side edges of the coupling body from both sides, and a fitting groove that is provided inside the sandwiching portion and that fits to the left and right side edges of the coupling body. The cable drop prevention tool according to claim 1 or 2, wherein the connecting body is clamped by a forcibly opened clamping section. The blocking portion is provided along the longitudinal direction of the upper surface of the blocking arm, the blocking arm having a substantially box shape extending from the sandwiching portion, the thin elastic protrusion extending from the tip of the blocking arm, and the blocking arm. 2. An anti-bending protrusion that prevents the closed arm from bending upward, and the elastic protruding piece is bent so that the tip of the elastic protruding piece faces downward along the inner side of the support. Thru | or 3 cable fall prevention tool.

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