JP2012200034A - Electric wire lead-in jig - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an electric wire lead-in jig capable of easily leading an electric wire into a tube without bending the tube formed in a tubular shape and provided with a slit throughout the longitudinal length.SOLUTION: An electric wire lead-in jig 1 includes a gutter-shaped portion 3 that is formed to have a gutter-shaped cross section and that houses an electric wire 26, and an insertion portion 2 that is extended along a longitudinal direction of a tube 30 formed in a tubular shape and provided with a slit 34 throughout the longitudinal length and that is inserted into the tube 30. One end of a back side 8a of the gutter-shaped portion 3 and one end of the insertion portion 2 are continuously provided, and the other end of the back side 8a of the gutter-shaped portion 3 and the other end of the insertion portion 2 are provided at an interval.

Description

  The present invention relates to an electric wire introduction jig capable of easily introducing an electric wire into a tube without bending the tube formed in a cylindrical shape and provided with a slit over the entire length in the longitudinal direction.

  Various electronic devices and electrical components are mounted on automobiles and the like. A wire harness for transmitting electric power from a power source such as a battery or a control signal from a control device is electrically connected to the electronic device or the electrical component.

  The wire harness is provided with a tube for protecting the electric wire constituting the wire harness. The tube is a corrugated tube or the like in which slits are provided over the entire length in the longitudinal direction and irregularities are repeatedly provided in the longitudinal direction.

  In the tube described above, an electric wire is accommodated in the tube through a slit, and various electric wire introduction jigs for introducing the electric wire into the tube have been proposed (for example, Patent Documents 1 to 5). reference.).

JP 2007-116848 A JP 2006-54977 A JP 2004-48927 A JP-A-11-146529 JP 2000-175326 A

  However, the electric wire introduction jigs described in Patent Documents 1 to 4 are continuous while bending a corrugated tube having a relatively high flexibility on the outside of the electric wires routed on the wiring board or the like. It is difficult to attach to the outside of the electric wire while bending the tube formed into a cylindrical shape by overlapping one end edge and the other end edge of a hard synthetic resin sheet etc. was there. In addition, since the tube is attached to the outside of the electric wire while being bent, there is a problem that the operation has to be performed with a relatively large force.

  Moreover, since the electric wire introduction jig | tool of patent document 5 must insert an electric wire in the clearance gap formed previously between the back surface of the main-body part of an electric wire introduction jig | tool, and the inner side of a tube, There is a problem that the insertion work for inserting the electric wire into the cable cannot be easily performed, and that the insertion work is troublesome.

  The present invention aims to solve this problem. That is, an object of the present invention is to provide an electric wire introduction jig that can easily introduce an electric wire into the tube without bending the tube formed in a cylindrical shape and provided with a slit over the entire length in the longitudinal direction. To do.

  In order to solve the above-mentioned problems and achieve the object, the invention described in claim 1 is an electric wire introduction jig for introducing an electric wire into a tube formed in a cylindrical shape and provided with a slit over the entire length in the longitudinal direction. The wire introduction jig includes a hook-shaped portion that is formed in a hook shape in cross section and accommodates the electric wire, and an insertion portion that extends along the longitudinal direction of the tube and is inserted into the tube. In addition, one end of the back surface of the hook-shaped portion and one end of the insertion portion are provided in a row, and the other end of the back surface of the hook-shaped portion and the other end of the insertion portion are provided at an interval. It is an electric wire introduction jig characterized by being formed.

  The invention described in claim 2 is characterized in that a pressing member that presses the electric wire toward the insertion portion is provided on one end side of the hook-shaped portion. This is an introduction jig.

  According to the invention described in claim 1, the electric wire introduction jig is provided with one end of the back surface of the hook-shaped portion and one end of the insertion portion continuous, and the other end of the back surface of the hook-shaped portion. Since the other end of the insertion part is provided at an interval, when the insertion part is inserted into the tube, the longitudinal direction of the insertion part and the longitudinal direction of the tube are parallel to each other. . For this reason, the electric wire introducing jig can introduce the electric wire into the tube without bending the tube.

  Moreover, since the hook-shaped part is formed in a cross-sectional hook shape, the electric wire introducing jig has a direction in which the electric wire is accommodated in the hook-shaped part, and a direction in which the electric wire is introduced into the tube through the slit. Are on the same plane. Since there is nothing that hinders the attachment and removal of the electric wire on this same plane, the electric wire introduction jig needs to be inserted through the gap formed between the electric wire introduction jig and the tube as in the prior art. Absent. Therefore, the electric wire introduction jig can easily perform the introduction operation of introducing the electric wire into the tube, and can be handled with a simple operation.

  According to the invention described in claim 2, since the electric wire introduction jig presses the electric wire toward the insertion portion by the pressing member, the electric wire can be reliably introduced into the tube.

  Moreover, since the pressing member presses the electric wire in the electric wire introduction jig, the worker does not have to press the electric wire with fingers. For this reason, the electric wire introducing jig can improve the efficiency of the introducing operation of introducing the electric wire into the tube.

It is a side view of the electric wire introduction jig concerning a first embodiment of the present invention. It is sectional drawing of the electric wire introduction jig | tool shown in FIG. It is a perspective view of the tube into which an electric wire is introduced with the electric wire introduction jig | tool shown in FIG. It is sectional drawing which shows the state which inserted the electric wire introduction jig | tool into the end of the tube. It is sectional drawing which shows the state which penetrated the electric wire introduction jig | tool in the tube. It is a side view of the electric wire introduction jig concerning a second embodiment of the present invention. It is a side view of the pressing member of the electric wire introduction jig shown in FIG. It is a side view of the state which removed the press member from the electric wire introduction jig | tool shown in FIG. It is sectional drawing of the press member shown in FIG. It is sectional drawing of the state from which the press member was removed from the electric wire introduction jig | tool shown in FIG. It is sectional drawing which shows the state by which the electric wire is pressed by the pressing member.

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

  As shown in FIG. 1, the wire introduction jig 1 according to the first embodiment of the present invention is formed in a concave groove-like cross-sectional hook shape, and the hook-shaped portion 3 in which the electric wire 26 (shown in FIG. 4) is accommodated. And an insertion portion 2 formed in a cylindrical shape and inserted into the tube 30 (shown in FIG. 4), and an insertion portion 16 inserted into the slit 34 (shown in FIG. 3) of the tube 30. ing.

  The wire introduction jig 1 is formed by connecting one end of the hook-shaped portion 3 and one end of the insertion portion 2, and the other end of the hook-shaped portion 3 and the other end of the insertion portion 2 are spaced from each other. Formed in a V shape. The electric wire introduction jig 1 is made of a synthetic resin such as vinyl chloride resin or polypropylene resin.

  As shown in FIG. 2, the bowl-shaped portion 3 includes a bottom surface portion 8 formed in a thin plate shape, and side surface portions 9 and 9 erected from one end and the other end of the bottom surface portion 8 in the width direction, And a wall portion 10 formed to be connected to one end in the longitudinal direction of the bottom surface portion 8 and one end in the longitudinal direction of the side surface portions 9 and 9.

  The insertion part 2 is formed in a hollow cylindrical shape as shown in FIG. The insertion portion 2 is provided with a tapered portion 12 that gradually tapers toward the other end described above. The insertion portion 2 is provided so as to extend along the longitudinal direction of the tube 30 from one end of the back surface 8a in the longitudinal direction of the bowl-shaped portion 3 toward the other end of the back surface 8a in the longitudinal direction of the bowl-shaped portion 3. It has been. The insertion portion 2 is formed to have a length that is substantially half the longitudinal direction of the bowl-shaped portion 3. The outer diameter of the insertion portion 2 is formed to be slightly smaller than the inner diameter of the tube 30.

  As shown in FIGS. 1 and 2, the insertion portion 16 is connected to the intermediate portion of the back surface 8 a of the bowl-shaped portion 3 and the intermediate portion of the outer peripheral surface of the insertion portion 2. The insertion portion 16 is formed in a triangular shape that gradually decreases in width toward the tip and expands to one end in the longitudinal direction of the hook-shaped portion 3 up to the width of the hook-shaped portion 3. Yes.

  Hereinafter, a method of introducing the electric wire 26 into the tube 30 by the electric wire introduction jig 1 configured as described above will be described with reference to the drawings.

  The tube 30 is a corrugated tube in which concave grooves and ridges extending in the circumferential direction on the outer surface are repeatedly formed, and an overlap tube formed in a cylindrical shape by overlapping one end and the other end. Various slit tubes are used. In the present embodiment, as shown in FIG. 3, an overlap tube (hereinafter referred to as a tube) in which a slit 34 is formed by overlapping one end edge 31 and the other end edge 32 is used.

  As shown in FIG. 3, the tube 30 is formed by rolling a long sheet formed of a hard synthetic resin such as a hard vinyl chloride resin so that one short side edge 31 and the other short side edge 32 are formed. It is molded into a superposed cylindrical shape. In the tube 30, the edge 31 and the edge 32 are overlapped to form a slit 34. The tube 30 has a rigidity with respect to the direction in which the tube 30 is bent, and is formed to be hard.

  As shown in FIG. 4, the insertion portion 2 of the wire introduction jig 1 is inserted into one end of the tube 30 configured as described above. At this time, the tube 30 is disposed at a position where the insertion portion 16 of the wire introduction jig 1 is inserted into the slit 34 of the tube 30. Moreover, the electric wire 26 is formed in the length which the terminal of the said electric wire 26 exposes from the both ends of the tube 30. FIG.

  Next, the electric wire 26 is accommodated in the bowl-shaped portion 3 of the electric wire introduction jig 1. At this time, one end of the electric wire 26 (one end on the left side of the electric wire 26 in the drawing) and the tube 30 are fixed by a fixture or the like. Moreover, the electric wire 26 distribute | arranged to the hook-shaped part 3 is lightly pressed on the said hook-shaped part 3 side by a worker's finger.

  Next, as shown in FIG. 5, the electric wire introduction jig 1 is moved toward the other end side of the tube 30. At this time, the insertion portion 2 is guided through the inner peripheral surface of the tube 30 and is inserted through the tube 30. The electric wire 26 accommodated in the hook-shaped portion 3 is slid between the operator's fingers and the hook-shaped portion 3, and the slit 34 of the tube 30 is sequentially expanded by the insertion portion 16. And introduced into the tube 30.

  Then, the electric wire introduction jig 1 is moved to the other end of the tube 30, the electric wire introduction jig 1 is pulled out from the other end, and the electric wire 26 is introduced into the tube 30.

  According to this embodiment, the electric wire introduction jig 1 is an electric wire introduction jig 1 for introducing an electric wire 26 into a tube 30 formed in a cylindrical shape and provided with a slit 34 over the entire length in the longitudinal direction. The introduction jig 1 includes a hook-shaped portion that is formed in a hook shape in cross section and accommodates the electric wire, and an insertion portion that extends along the longitudinal direction of the tube and is inserted into the tube, and One end of the back surface of the hook-shaped portion and one end of the insertion portion are provided in a row, and the other end of the back surface of the hook-shaped portion and the other end of the insertion portion are provided with an interval. .

  For this reason, in the electric wire introduction jig 1, the insertion portion 2 is provided at one end of the back surface of the hook-shaped portion 3, and is extended along the longitudinal direction of the tube toward the other end of the back surface of the hook-shaped portion 3. Therefore, the insertion portion 2 is inserted into the tube 30 along the longitudinal direction of the tube 30. For this reason, the electric wire introduction jig 1 can introduce the electric wire 26 into the tube 30 without bending the tube 30.

  Moreover, since the hook-shaped part 3 is formed in the concave groove shape with which the upper surface was open | released, the electric wire introduction jig | tool 1 has the direction in which the electric wire 26 is mounted in the hook-shaped part 3, and the said electric wire 26 is slit 34. The direction to be introduced into the tube 30 via the is on the same plane. Further, the hook-like portion 3 and the slit 34 on the same plane have nothing to prevent the movement of the electric wire 26. For this reason, the electric wire introduction jig | tool 1 does not need to insert the electric wire 26 in the clearance gap formed between the electric wire introduction jig | tool 1 and the tube 30 like the past. Therefore, the electric wire introduction jig 1 can easily perform an introduction operation for introducing the electric wire 26 into the tube 30.

(Second embodiment)
Next, 2nd embodiment of the electric wire introduction jig | tool 1A concerning this invention is described with reference to FIGS. In addition, about the same part as embodiment mentioned above, the same code | symbol is attached | subjected and description is abbreviate | omitted.

  As shown in FIG. 6, the electric wire introduction jig 1 </ b> A includes a hook-shaped portion 3 </ b> A, an insertion portion 2, and an insertion portion 16, and includes a pressing member 17 that presses the electric wire 26 on the hook-shaped portion 3 </ b> A side. Yes. The electric wire introduction jig 1A is formed of a synthetic resin such as a polypropylene resin.

  As shown in FIG. 10, the bowl-shaped portion 3 </ b> A includes a bottom surface portion 8 formed in a U shape and side surface portions 9 and 9 extended from both ends of the bottom surface portion 8 in the width direction. As shown in FIG. 8, the hook-shaped portion 3 </ b> A includes projecting portions 21 and 21 that are swelled from the outside of one end of the side surface portion 9 and are slid with the pressing member 17 mounted thereon.

  As shown in FIG. 8, the protrusion 21 is formed in a substantially rectangular shape, and is formed by reducing the width of one end. For this reason, the pressing member 17 is smoothly mounted.

  As shown in FIGS. 7 and 9, the pressing member 17 includes plate-like portions 19 and 19 that are opposed to each other with an interval between which the protrusions 21 and 21 are inscribed, and both the plate-like portions 19 and 19. A wall portion 20 is provided continuously on the front side and the upper side of the edge portion, and ridge portions 18 and 18 are slid on the projection portions 21 and 21. The plate-like portion 19 is formed in an arc shape whose lower end side is gradually reduced in width.

  As shown in FIG. 9, the wall portion 20 is provided with an arcuate portion 20 a formed along the shape of the plate-like portion 19 in which the lower tip side is formed in an arc shape. For this reason, the said electric wire 26 can be smoothly slid in the state which the inner side of the wall part 20 pressed the electric wire 26. FIG.

  As shown in FIG. 9, the protruding portion 18 is provided from the upper end to the lower end of the plate-like portion 19 and is formed in a substantially rectangular shape. The protruding portion 18 is formed with a protruding amount that is slid on the side surface of the protruding portion 21.

  Hereinafter, in the electric wire introduction jig 1A configured as described above, a state in which the electric wire 26 is pressed to the hook-shaped portion 3A side by the pressing member 17 will be described.

  As shown in FIG. 11, the electric wire 26 is pressed toward the lower side of the hook-shaped portion 3 </ b> A by the arc-shaped portion 20 a provided on the distal end side of the pressing member 17. At this time, the electric wire 26 is pushed into a position deeper than the slit 34 of the tube 30 by adjusting the pushing amount into which the worker pushes the pushing member 17. Then, the electric wire introduction jig 1 </ b> A is moved from one end of the tube 30 to the other end, and the electric wire 26 is introduced into the tube 30.

  According to the present embodiment, the wire introduction jig 1A is provided with the pressing member 17 that presses the wire 26 toward the insertion portion 2 on one end side of the hook-shaped portion 3A. Thus, the electric wire 26 can be reliably introduced.

  In addition, since the worker does not have to press the electric wire 26 with fingers, the workability of the introduction work for introducing the electric wire 26 into the tube 30 is improved. Further, since the pressing member 17 can be removed when the electric wire 26 is accommodated in the hook-shaped portion 3A, the electric wire 26 can be easily accommodated in the hook-shaped portion 3A.

  In addition, embodiment mentioned above only showed the typical form of this invention, and this invention is not limited to embodiment. That is, various modifications can be made without departing from the scope of the present invention.

DESCRIPTION OF SYMBOLS 1 Electric wire introduction jig 2 Insertion part 3 Cage-like part 8 Bottom face part 8a Back surface 9 Side face part 10 Wall part 12 Tapered part 16 Insertion part 17 Pressing member 18 Projection part 19 Plate-like part 20 Wall part 20a Arc-shaped part 21 Protrusion Part 26 electric wire 30 tube 32 one end edge 33 other end edge 34 slit 35 widened part

Claims (2)

In an electric wire introduction jig for introducing an electric wire into a tube formed in a tubular shape and provided with a slit over the entire length in the longitudinal direction,
The wire introduction jig includes a hook-shaped portion that is formed in a hook shape in cross section and accommodates the electric wire, and an insertion portion that extends along the longitudinal direction of the tube and is inserted into the tube, and ,
One end of the back surface of the hook-shaped portion and one end of the insertion portion are provided in a row, and the other end of the back surface of the hook-shaped portion and the other end of the insertion portion are provided with an interval. An electric wire introduction jig characterized by that.   The wire introducing jig according to claim 1, wherein a pressing member that presses the electric wire toward the insertion portion is provided on one end side of the hook-shaped portion.

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