JP2005149917A - Electric wire protective material - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an electric wire protective material easily releasing and protecting an electric wire. <P>SOLUTION: This electric wire protective material is equipped with: a flexible sheet 2 integrally provided with the side part 4 of a V shape having a linear first ridgeline 3 as its bottom part, and an end wall part 6 which blocks one end part of a V-shaped groove 4a divided by the side part 4, and is bent by a second ridgeline 5 extending on the plane equally dividing the opening angle 4b of the V-shaped groove 4a; and a hook-and-loop fasteners 7 which are provided on the flexible sheet 2 and hooks and peels the mutually facing planes of the side part 4 folded along the first ridgeline 3, and is structured so that the end part of an electric wire W disposed in the V-shaped groove 4a with the electric wire laid along the first ridgeline 3 is surrounded by the flexible sheet 2 by folding the flexible sheet 2 along the first ridgeline 3 and the second ridgeline 5, and the hook-and-loop fasteners 7 are mutually hooked with the electric wire held between them, in order to anchor the electric wire W to the flexible sheet. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to an electric wire protective material for protecting an end portion of an electric wire.

  Generally, a wire harness is an electrical wiring system in which a predetermined circuit network is formed by connecting a large number of electric wires between a plurality of connectors. As an electric wire constituting this type of wire harness, a terminal-attached electric wire in which the connector connecting terminal is connected to a terminal or a spliced electric wire in which terminal portions of a plurality of electric wires are spliced together are used. And when manufacturing the said wire harness, a terminal-attached electric wire or a splice electric wire is often transferred between a plurality of manufacturing processes, and at the time of this transfer, the end of the electric wire (that is, a terminal or a splice portion) In order to prevent foreign matter from coming into contact with surrounding objects and being damaged, and foreign matter from adhering to the end of the electric wire, the following patent document 1 that covers and protects the end of the electric wire The protection structure like this is adopted.

  In the protective structure of Patent Document 1, a protective material made of a heat-fusible resin sheet is folded in two so as to sandwich the end portion of the electric wire, and in this state, the peripheral portions (three sides) on which the protective material is superimposed are heat-fused. By attaching and closing, the end of the electric wire is accommodated inside the bag-shaped protective material, and the electric wire and the resin sheet are fixed by fusion of the resin sheet through the middle portion of the electric wire. It is supposed to be.

In addition, as another method of covering the end of the electric wire, the end of the electric wire is accommodated in a bottomed cylindrical cup, and the cup and the middle portion of the electric wire are fixed with tape, or the end of the electric wire A method is also known in which a portion is wrapped with a flexible sheet and a tape is wound around the outside of the sheet so as to maintain the shape of the flexible sheet in this state.
JP 2000-294060 A

  However, since the protective structure of Patent Document 1 is configured to protect the end portion of the electric wire by heat-sealing the protective material, the end portion of the electric wire is processed, and then the electric wire When transporting the cable to another manufacturing process, the fused part of the protective material must be peeled once to release the wire, and the protective material must be fused again after processing the wire. Each time the opening / protection is performed, it is necessary to fuse the protective material, which is a factor of reducing workability.

  Further, even when the end portion of the electric wire is protected by a cup or a flexible sheet, it is necessary to perform a tape affixing operation every time the electric wire is opened / protected.

  This invention is made | formed in view of the said subject, and it aims at providing the electric wire protection material which can open / protect an electric wire easily.

  In order to solve the above problems, the present invention closes a side portion bent in a V shape with a straight first ridge line as a bottom portion, and one end side of a V groove defined by the side portion, and A flexible sheet integrally provided with an end wall portion bent at a second ridge line extending on a surface that bisects the opening angle of the V-shaped groove, and provided on the flexible sheet, A hook-and-loop fastener capable of engaging / peeling opposite surfaces of the side portions folded along the first ridgeline, and folding the flexible sheet along the first ridgeline and the second ridgeline, The end of the electric wire arranged in the V-shaped groove along the first ridge line is surrounded by the flexible sheet, and the hook-and-loop fastener is engaged with each other with the electric wire interposed therebetween. It is an electric wire protective material characterized by being comprised so that a flexible sheet may be fixed.

  In the wire protective material, the flexible sheet may further be provided with a hook-and-loop fastener capable of engaging / peeling mutually opposing surfaces of the end wall portions folded along the second ridge line. preferable.

  According to the present invention, the flexible sheet is folded along the first and second ridge lines, and the hook-and-loop fastener is engaged to surround the end of the electric wire between the flexible sheets, and the electric wire and While the flexible sheet can be secured, the flexible sheet can be opened by peeling the hook-and-loop fastener, and the end of the electric wire can be taken out of the flexible sheet. The electric wire can be easily protected / released by the fastening / peeling operation of the fastener.

  Further, in the present invention, since the end of the electric wire can be surrounded planarly between the flexible sheets folded along the first and second ridgelines, a bottomed cylindrical cup as in the prior art As compared with the case of using the wire, the end portion of the electric wire can be protected without being bulky.

  According to the configuration in which the hook-and-loop fastener is provided on the end wall portion of the flexible sheet, each of the side portion and the end wall portion folded along the first and second ridge lines can be fastened with the hook-and-loop fastener. Since the folded shape of the flexible sheet can be maintained more firmly, the end of the electric wire can be more reliably protected.

  Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings.

  FIG. 1 is a perspective view showing a wire protective material according to an embodiment of the present invention. In addition, in the following description, the case where the electric wire W with a terminal which has the electric wire W and the terminal T connected to the terminal of this electric wire W is protected is mentioned as an example, and is demonstrated.

  With reference to FIG. 1, the wire protector 1 includes a flexible sheet 2 that can surround the terminal T of the wire W, and a hook-and-loop fastener 7 provided on the flexible sheet 2. Here, the hook-and-loop portion is hooked with the hook portion and the loop portion, and when the two are strongly pressed, the hook portion and the loop portion are attached so that they are not easily detached from each other. If it is strongly peeled off by hand, the hook part and the loop part are disengaged. This is also called a mechanical fastener.

  The flexible sheet 2 is made of a synthetic resin having flexibility and light transmission properties such as polyvinyl chloride and polypropylene. Further, the flexible sheet 2 closes the V-shaped side portion 4 having the straight first ridge line 3 as a bottom portion and one end portion of the V-shaped groove 4a defined by the side portion 4, and the V-shaped side portion 4 is closed. An end wall portion 6 that is bent at a second ridge line 5 extending on a surface that bisects the opening angle 4b of the groove 4a is integrally provided. The side portion 4 is formed in a rectangular shape, and the first ridgeline 3 is formed at a position where the side portion 4 can be folded in the width direction. The said end wall part 6 is formed in the isosceles triangle which makes the short side of the side part 4 folded in half each hypotenuse 6a, and is perpendicular to the base 6b from the vertex part (one end part of the 1st ridgeline 3). The said 2nd ridgeline 5 is formed in the position used as a dividing line. That is, the wire protection material 1 is formed by opening the V-shaped groove 4 a and the side wall 4 is folded in two along the first ridgeline 3 and the end wall along the second ridgeline 5. 2 is configured to be openable and closable with the form shown in FIG.

  The surface fastener 7 includes a side fastener 8 disposed along both long sides of the side portion 4, an end wall fastener 9 disposed along the bottom side 6 b of the end wall portion 6, and the end wall portion 6. Is provided with a zipper 10 for clamping which is disposed along the short side portion of the side portion 4 that is not installed. The side fasteners 8 are formed on both long sides of the side parts 4 that are overlapped so that the opposing surfaces of the side parts 4 folded in two along the first ridgeline 3 can be engaged / separated from each other. A hook portion 8a and a loop portion 8b provided on the edge portion in a one-to-one correspondence are provided. The end wall fasteners 9 are formed on the edge of the base 6b so that the opposing surfaces of the end wall 6 folded in two along the second ridge line 5 can be engaged / separated from each other. A hook portion 9a and a loop portion 9b provided in a one-to-one correspondence with the two ridges 5 interposed therebetween are provided. The pinching fastener 10 has a short side edge portion of the side portion 4 that is overlapped so that opposing surfaces of the side portion 4 folded in two along the first ridgeline 3 can be engaged / peeled to each other. Are provided with a hook portion 10a and a loop portion 10b provided in a one-to-one correspondence with the first ridgeline 3 interposed therebetween.

  Therefore, the wire protective material 1 is formed from the form shown in FIG. 1 in which the V-shaped groove is opened by folding the flexible sheet 2 along the first and second ridges 3 and 5 and engaging the surface fastener 7. The side part 4 has a long side, a short side, and a bottom part 6b of the end wall part 6 and is configured to be deformable into a bag shape shown in FIG.

  Hereafter, the procedure which protects the terminal T of the some electric wire D with a terminal by the said wire protection material 1 is demonstrated with reference to FIG.1 and FIG.2.

  FIG. 2 is a perspective view illustrating a state in which the end portion of the terminal-attached electric wire D is protected by folding the electric wire protection member 1 of FIG. 1.

  First, referring to FIG. 1, the terminals T of the plurality of terminal-attached electric wires D are aligned on one end side, and each terminal T is inserted into the V-shaped groove 4 a in a state where the axial direction of each electric wire W is along the first ridge line 3. Place in. That is, each terminal T and the end wall portion 6 are opposed to each other in the V-shaped groove 4a, and the other end side of each electric wire W protrudes from the short side of the side portion 4 where the end wall portion 6 is not installed. The end of each terminal-attached electric wire D is disposed in the V-shaped groove 4a. In this state, the flexible sheet 2 is folded along the first and second ridgelines 3 and 5 and the side portions and the end wall fasteners 8 and 9 are engaged. As shown in FIG. 2, each terminal T is enclosed, and a pinch fastener 10 is engaged with a middle portion of each electric wire W, and the electric wire W and the flexible sheet 2 are fastened, thereby attaching the terminal. The end of the electric wire D can be protected.

  On the other hand, when processing the protected electric wire D with the terminal as described above, the surface fastener 7 is peeled off, and the flexible sheet 2 is expanded to open the V-shaped groove 4a. The electric wire D with a terminal can be taken out from the conductive sheet 2.

  As described above, according to the wire protector 1, by folding the flexible sheet 2 along the first and second ridge lines 3 and 5 and engaging the side portions and the pinching fasteners 8 and 10, respectively, While surrounding the edge part of the electric wire W between the flexible sheets 2, while being able to fix the said electric wire W and the flexible sheet | seat 2, by peeling the side part and the pinching fasteners 8 and 10, Since the flexible sheet 2 can be opened and the end of the electric wire W can be taken out of the flexible sheet 2, the operator can easily protect / open the electric wire W by engaging / peeling the hook-and-loop fastener 7. It can be carried out.

  Moreover, in the said wire protective material 1, since the edge part of the electric wire W can be enclosed planarly between the flexible sheets 2 folded along the 1st and 2nd ridgelines 3 and 5, it is bulky. It is possible to protect the end of the electric wire W.

  According to the configuration in which the end wall fastener 9 is provided on the end wall portion 6 of the flexible sheet 2, the side portion 4 and the end wall portion 6 that are folded along the first and second ridge lines 3 and 5 face each other. By engaging with the fastener 7, the folded shape of the flexible sheet 2 can be more firmly maintained, so that the end portion of the electric wire W can be more reliably protected.

  In addition, in the said embodiment, although it is set as the structure provided with the end wall fastener 9 in the end wall part 6, it can also be set as the structure which abbreviate | omitted this end wall fastener 9. FIG.

  Moreover, in the said embodiment, although it is set as the structure provided with the hook_and_loop | surface fastener 7 only in the edge part of the side part 4 or the end wall part 6, it is not limited to this structure, The side part 4 or the end wall part 6 of It can also be set as the structure provided with the hook-and-loop fastener in the whole surface.

  Furthermore, although the case where the terminal T of the electric wire D with a terminal is protected is described as an example in the above embodiment, it is also possible to protect the end portion of the splice wire in which a plurality of electric wires are spliced together.

It is a perspective view which shows the electric wire protection material which concerns on embodiment of this invention. It is a perspective view which shows the state which folded the electric wire protection material of FIG. 1 and protected the edge part of the electric wire with a terminal.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Electric wire protective material 2 Flexible sheet 3 1st ridgeline 4 Side part 4a V-shaped groove 5 2nd ridgeline 6 End wall part 7 Surface fastener

Claims (2)

A side portion bent into a V shape with the straight first ridge line as a bottom portion, and one end side of a V groove defined by the side portion are closed, and the opening angle of the V groove is divided into two equal parts. A flexible sheet integrally including an end wall portion bent at a second ridge line extending on the surface to be
A hook-and-loop fastener provided on the flexible sheet and capable of engaging / peeling mutually opposing surfaces of the side parts folded along the first ridgeline;
By folding the flexible sheet along the first ridge line and the second ridge line, the end portion of the electric wire disposed in the V-shaped groove along the first ridge line is surrounded by the flexible sheet. In addition, the wire fastener is configured to fasten the electric wire and the flexible sheet by engaging the hook-and-loop fastener with the electric wire interposed therebetween.   The wire protective material according to claim 1, wherein the flexible sheet is further provided with a hook-and-loop fastener capable of engaging / peeling mutually facing surfaces of the end wall portions folded along the second ridge line. Electric wire protective material characterized by being.

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