JP2016032412A - Protector for wiring harness - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a protector for wiring harness capable of suppressing deviation of the winding position of a pressure-sensitive adhesive tape for fixing a wire group, or coming-off of the pressure-sensitive adhesive tape for fixing the wire group, when the wire group is pulled or bent.SOLUTION: A protector for wiring harness includes a protector body 30 housing a wire group 20 consisting of a plurality of wires, and from which the wire group 20 is pulled out, a tape fixing piece 32 extending from the end of the protector body 30 in the pulling direction of the wire group 20, and to which the wire group 20 is wound and fixed in place by a pressure-sensitive adhesive tape T1, and a protrusion 33 having a shape folded back like a hook from the tape fixing piece 32 toward the protector body 30 side, and is configured so that the pressure-sensitive adhesive tape T1 to be stuck to the tape fixing piece 32 enters between the tape fixing piece 32 and protrusion 33.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a protector for a wire harness.

  DESCRIPTION OF RELATED ART Conventionally, the protector for wire harnesses which accommodates the electric wire group which is a component of the wire harness routed by the motor vehicle is known (for example, refer patent document 1). FIG. 3 shows a wire harness protector described in Patent Document 1.

  In FIG. 3, a protector 100 for a wire harness accommodates an electric wire group composed of a plurality of electric wires (not shown) that are components of the wire harness, and a protector main body 101 from which the electric wire group is drawn outward, and an electric wire from the protector main body 101. The wire group receiving portion 102 is configured to extend in the direction in which the group is pulled out, and the wire group is tape-fixed by an adhesive tape (not shown), and a flange portion 103 formed at the tip of the wire group receiving portion 102. ing.

  The adhesive tape that tapes and fixes the electric wire group to the electric wire group receiving portion 102 has a winding portion 103 that determines the winding position around the electric wire group receiving portion 102 and prevents the electric wire group receiving portion 102 from coming off.

Japanese Utility Model Publication No. 6-2924

  However, when the wire harness protector 100 described above is pulled or bent, the winding position of the adhesive tape around the wire group receiving portion 102 is shifted due to the elongation of the adhesive tape. Or, there is a concern that the adhesive tape may come off from the wire group receiving portion 102.

  The present invention has been made to solve the above-described problems, and when the wire group is pulled or bent, the winding position of the adhesive tape that fixes the wire group is shifted, It aims at providing the protector for wire harnesses which can suppress that the adhesive tape which fixes a group falls out.

  In order to achieve the above object, a protector for a wire harness according to the present invention accommodates an electric wire group consisting of a plurality of electric wires, and a protector main body from which the electric wire group is drawn outward, and the electric wire group from the protector main body. A tape fixing piece that extends in the pull-out direction and in which the electric wire group is taped and fixed by an adhesive tape, and a protrusion having a shape folded back in a hook shape from the tape fixing piece toward the protector main body side, The adhesive tape attached to the tape fixing piece is inserted between the tape fixing piece and the protrusion.

  With this configuration, the protector for a wire harness according to the present invention has an adhesive tape that tapes and fixes the electric wire group to the tape fixing piece and enters between the tape fixing piece and the protruding portion that is folded back into a hook shape. Even if the adhesive tape is stretched when it is pulled or bent, it is possible to prevent the winding position of the adhesive tape from shifting to the tape fixing piece and the adhesive tape from coming off the tape fixing piece.

  In the wire harness protector having the above-described configuration, it is preferable that the protrusion is configured to cover more than half of the tape width of the adhesive tape to be attached to the tape fixing piece.

  With this configuration, the wire harness protector according to the present invention has an adhesive tape when the wire group is pulled or bent because more than half of the tape width of the adhesive tape attached to the tape fixing piece is covered by the protrusion. Even if elongation occurs in the tape, it is possible to more effectively suppress the winding position of the adhesive tape with respect to the tape fixing piece from shifting or the adhesive tape from coming out of the tape fixing piece.

  Further, in the wire harness protector having the above-described configuration, the protector body is formed in a bowl shape having a bottom surface portion and a pair of side surface portions projecting to both edges of the bottom surface portion, and the tape fixing piece is It is preferable that it is the structure formed so that it might continue to the edge part of the said bottom face part, and might be extended in the extraction direction of the said electric wire group.

  With this configuration, the protector for a wire harness according to the present invention is formed so that the tape fixing piece on which the electric wire group is taped and fixed to the end of the bottom surface portion of the protector main body is continuous in the direction in which the electric wire group is drawn. The electric wire group accommodated in can be fixed to the tape fixing piece in a stable state.

  According to the present invention, when the electric wire group is pulled or bent, the winding position of the adhesive tape that fixes the electric wire group is shifted, and the adhesive tape that fixes the electric wire group is prevented from coming off. The protector for wire harnesses which can be provided can be provided.

It is a partial vertical end view of the protector for wire harnesses which concerns on embodiment of this invention. It is a fragmentary perspective view of the protector main body used for the protector for wire harnesses which concerns on embodiment of this invention. It is a fragmentary perspective view of the conventional protector for wire harnesses.

  Hereinafter, a protector for a wire harness according to an embodiment of the present invention will be described with reference to the drawings.

  As shown in FIG. 1, the protector 10 for wire harnesses according to the present embodiment accommodates a wire group 20 composed of a plurality of wires 21, and a protector body 30 from which the wire group 20 is drawn outward, and a lid portion. 31, a tape fixing piece 32 that extends in the drawing direction of the electric wire group 20 from the protector main body 30, and the electric wire group 20 is taped and fixed by the adhesive tape T 1, and a hook shape from the tape fixing piece 32 toward the protector main body 30 side. And a protruding portion 33 having a shape folded back, and the adhesive tape T <b> 1 attached to the tape fixing piece 32 is inserted between the tape fixing piece 32 and the protruding portion 33.

  The electric wire group 20 is obtained by roughly winding and bundling a plurality of electric wires 21 with an adhesive tape T2, and electrically connecting electronic devices mounted on an automobile. The electric wire group 20 may include a plurality of electric wires 21 housed in a corrugated tube.

As shown in FIG. 2, the protector main body 30 is formed in a bowl shape having a pair of side surface portions 30 b and 30 c protruding from the bottom surface portion 30 a and both edges 30 a ₁ and 30 a ₂ of the bottom surface portion 30 a. The electric wire group 20 is accommodated in a space surrounded by the bottom surface portion 30a and the side surface portions 30b and 30c. The width W1 of the bottom surface portion 30a is set larger than the height H1 of the side surface portions 30b and 30c.

  The lid portion 31 is formed integrally with one side surface portion 30b of the protector main body 30 via a hinge portion (not shown) at one edge, and the other edge portion contacts the other side surface portion 30c of the protector main body 30. A hollow structure having a flat rectangular cross section together with the protector main body 30 and covering the opening between the pair of side surface portions 30b and 30c and facing the bottom surface portion 30a when folded on the protector main body 30 around the hinge portion. Is configured.

  Moreover, the cover part 31 has a hook part which is not illustrated in the other side part 30c of the protector main body 30 in an other edge part. The hook portion engages with a locking portion (not shown) formed on the other side surface portion 30c of the protector main body 30, and the lid portion 31 covers the opening between the side surface portions 30b and 30c of the protector main body 30. It is supposed to be kept in the state.

Tape fixing portion 32, the drawing direction of the wire group 20 from the protector body 30, i.e., is formed to extend in the axial direction of the wire group 20 continues to the end portion 30a ₃ of the bottom portion 30a of the protector body 30, the wire group 20 is fixed with tape by adhesive tape T1. The width W2 of the tape fixing piece 32 is set to be smaller than the width W1 of the bottom surface portion 30a.

  The protrusion 33 has a shape that is folded back from the tip end of the tape fixing piece 32 toward the protector main body 30, and is stuck to the tape fixing piece 32 between the tape fixing piece 32 and the protrusion 33. The adhesive tape T1 is inserted. The protrusion 33 is formed so as to cover more than half of the tape width W3 of T1 attached to the tape fixing piece 32.

  The protrusion 33 is set so that the distance between the surface 33a facing the tape fixing piece 32 and the surface 32a on the side of the tape fixing piece 32 where the adhesive tape T1 is applied is about 1 mm, for example. The adhesive tape T1 having a thickness of 0.1 mm or less can be easily and surely inserted between the protrusion 32 and the protrusion 33.

  The protector main body 30, the lid portion 31, the hinge portion, the hook portion, the locking portion, the tape fixing piece 32, and the protruding portion 33 that constitute the wire harness protector 10 are integrally formed of a resin material such as polypropylene (PP). . Further, the protrusion 33 is formed with a punching hole 33b for taking out the wire harness protector 10 from the mold.

  Furthermore, after the electric wire group 20 is accommodated in the protector main body 30 and the electric wire group 20 is taped and fixed to the tape fixing piece 32 by the adhesive tape T1, the protector main body 30 and the lid portion 31 are the side surfaces of the protector main body 30. It is secured by an adhesive tape (not shown) so as to cover the opening between the portions 30b and 30c.

  In the wire harness protector 10 according to the present embodiment, the adhesive tape T1 for tape-fixing the electric wire group 20 to the tape fixing piece 32 enters between the tape fixing piece 32 and the protrusion 33 folded back in a hook shape. Even if the adhesive tape T1 is stretched when the electric wire group 20 is pulled or bent, the adhesive tape T1 winding position with respect to the tape fixing piece 32 is shifted, or the adhesive tape T1 is removed from the tape fixing piece 32. It can be suppressed from coming off.

  In the wire harness protector 10 according to the present embodiment, more than half of the tape width W3 of the adhesive tape T1 affixed to the tape fixing piece 32 is covered by the protrusion 33, so that the wire group 20 is pulled or bent. Even if the adhesive tape T1 expands when it is applied, it is more effective that the winding position of the adhesive tape T1 with respect to the tape fixing piece 32 is shifted or the adhesive tape T1 is removed from the tape fixing piece 32. Can be suppressed.

  Further, the wire harness protector 10 according to the present embodiment is formed so that the tape fixing piece 32 on which the wire group 20 is taped and fixed to the end of the bottom surface portion 30a of the protector body 30 is connected in the direction in which the wire group 20 is pulled out. Therefore, the electric wire group 20 accommodated in the protector body 30 can be fixed to the tape fixing piece 32 in a stable state.

  In the protector 10 for wire harness described above, the tape fixing piece 32 is formed at the end of the bottom surface portion 30a of the protector body 30 so as to be continuous in the direction in which the wire group 20 is pulled out. Even if the tape fixing piece is formed in the portion 30b so as to be continuous with the drawing direction of the electric wire group 20, the winding position of the adhesive tape T1 with respect to the tape fixing piece may be shifted as in the present embodiment, It can suppress that adhesive tape T1 comes off from a tape fixed piece.

  As described above, the protector for a wire harness according to the present invention has an effect that the winding position of the adhesive tape that fixes the electric wire group is shifted and the adhesive tape that fixes the electric wire group can be prevented from coming off. Since it is obtained, it is useful in general wire harness protectors.

10 wire harness protector 20 wire group 30 protector body 30a bottom portion 30a _1, 30a ₂ opposite edges 30a ₃ ends 30b, 30c side portion 31 lid 32 tape fixing piece 33 protrusions T1 adhesive tape W3 tape width

Claims (3)

A protector main body that accommodates an electric wire group composed of a plurality of electric wires, and the electric wire group is drawn outward,
A tape fixing piece that extends from the protector body in the direction of drawing out the electric wire group, and the electric wire group is taped and fixed by an adhesive tape,
A protrusion having a shape folded in a hook shape from the tape fixing piece toward the protector main body,
A protector for a wire harness, characterized in that the adhesive tape attached to the tape fixing piece enters between the tape fixing piece and the protrusion.   The protector for a wire harness according to claim 1, wherein the protrusion is formed so as to cover at least half of the width of the adhesive tape attached to the tape fixing piece. The protector body is formed in a bowl-like shape having a pair of side surfaces protruding from the bottom surface and both edges of the bottom surface,
The protector for a wire harness according to claim 1, wherein the tape fixing piece is formed so as to extend in an extension direction of the electric wire group in connection with an end portion of the bottom surface portion.

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