JP6299508B2 - Wire harness protector - Google Patents

Description

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

  2. Description of the Related Art Conventionally, a wire harness protector for fixing an electric wire group, which is a component of a wire harness routed in an automobile, with a binding band (see, for example, Patent Document 1). FIG. 4 shows a protector for a wire harness described in Patent Document 1.

  In FIG. 4, the wire harness protector 100 has guide portions 102 and 103 formed integrally with a protector main body 101. The guide parts 102 and 103 have holes 102 a and 103 a through which the band part 104 a of the binding band 104 is inserted. The binding band 104 is integrally formed with a head portion 104b that engages with the other end portion of the band portion 104a at one end portion of the band portion 104a.

  An electric wire group including a plurality of electric wires (not shown) is fixed to the wire harness protector 100 by a binding band 104. The band portion 104a of the binding band 104 is inserted into the holes 102a and 103a of the guide portions 102 and 103, wound around the wire group in the circumferential direction, and further engaged with the head portion 104b. Thereby, the wire group is band-wrapped and fixed to the wire harness protector 100 by the binding band 104.

JP 2005-178847 A

  However, the wire harness protector 100 described above inserts the band portion 104a of the binding band 104 into the holes 102a and 103a of the guide portions 102 and 103 when fixing the wire group to the wire harness protector 100. It was not possible to efficiently perform the work of fixing.

  Furthermore, when it is desired to bend and fix the wire group at the end of the protector body 101, an excessive force may act on the guide portions 102 and 103 from the binding band 104, and the guide portions 102 and 103 may be damaged. Concerned.

  The present invention has been made to solve the above-described problems, and provides a protector for a wire harness that can easily and surely fix a bent portion of a group of electric wires and sufficiently secure a fixing strength. Objective.

  In order to achieve the above object, a protector for a wire harness according to the present invention has a protector main body extending along a longitudinal portion of an electric wire group consisting of a plurality of electric wires, and the end of the electric wire group at the end of the protector main body. A protector for a wire harness that fixes a bent portion of the wire group that is bent continuously with a longitudinal portion, and protrudes along an end portion of the protector body along the bent portion of the wire group, and the wire group An electric wire group fixing portion extending along the longitudinal portion, and a band retaining portion projecting in a direction intersecting with both the longitudinal portion and the bent portion of the electric wire group from one side surface of the electric wire group fixing portion; The bending portion of the electric wire group is fixed to the electric wire group fixing portion with a binding band.

  With this configuration, the wire harness protector according to the present invention protrudes from the end portion of the protector body along the bent portion of the wire group, and extends to the wire group fixing portion extending along the longitudinal portion of the wire group. Since the bent portion of the group is band-wrapped and fixed by the binding band, the bent portion of the electric wire group can be easily fixed, and the fixing strength can be sufficiently secured.

  Moreover, the protector for wire harnesses according to the present invention includes a band retaining portion that protrudes in a direction intersecting with both the longitudinal portion and the bent portion of the wire group from one side surface of the wire group fixing portion. Therefore, even if the wire group is pulled or bent, the binding band does not come off from the wire group fixing portion, and the bent portion of the wire group can be fixed securely.

  Further, in the wire harness protector having the above-described configuration, the wire harness protector includes a slit forming portion that protrudes from the end portion of the protector main body so as to face the other side surface of the wire group fixing portion. It is preferable that a slit-like gap is formed between which the binding band can be inserted.

  With this configuration, the protector for a wire harness according to the present invention inserts a binding band into a slit-like gap formed between the slit forming portion and the wire group fixing portion. It is possible to easily determine the position of a binding band for fixing the portion by band winding.

  ADVANTAGE OF THE INVENTION According to this invention, the protector for wire harnesses which can fix the bending part of an electric wire group easily and reliably and can fully ensure fixation strength can be provided.

It is a fragmentary perspective view which shows the state which fixed the bending part of the electric wire group to the electric wire group fixing | fixed part in the protector for wire harnesses which concerns on embodiment of this invention. It is a horizontal sectional view which shows the state which fixed the bending part of the electric wire group to the electric wire group fixing | fixed part in the protector for wire harnesses which concerns on embodiment of this invention. It is a fragmentary perspective view which shows the state before mounting | wearing with an electric wire group in 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 FIGS. 1 and 2, the wire harness protector 10 according to the present embodiment includes a protector body 30 that extends along a longitudinal portion 20 a of a wire group 20 including a plurality of wires 21, and the protector body. The bent portion 20b of the electric wire group 20 that is bent at the longitudinal end portion 30a of the electric wire group 20 is fixed.

  The wire harness protector 10 protrudes from the longitudinal end portion 30 a of the protector body 30 along the bent portion 20 b of the wire group 20 and extends in the protector body longitudinal direction X, and the wire group fixing portion 31. A band retaining portion 32 that protrudes from one side surface 31a in the width direction Y of the protector body. The bent portion 20b of the wire group 20 is fixed to the wire group fixing portion 31 by a binding band 40.

  In the electric wire group 20, a longitudinal portion 20a extends substantially horizontally, and a bent portion 20b connected to the longitudinal portion 20a extends substantially vertically upward. The longitudinal portion 20a is covered from the upper side by the protector body 30. The electric wire group 20 is obtained by roughly winding and bundling a plurality of electric wires 21 with an adhesive tape 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. 3, the wire group fixing portion 31 protrudes upward from the longitudinal end portion 30 a of the protector body 30 along the bent portion 20 b of the wire group 20, and the protector body longitudinal direction X, that is, the wire group 20. It is formed to extend along the vertical portion 20a. Thereby, the electric wire group fixing | fixed part 31 has a rectangular horizontal cross-sectional shape from which the protector main body longitudinal direction X becomes a long side, and the protector main body width direction Y becomes a short side (refer FIG. 2).

  The band retaining portion 32 protrudes from one side surface 31a of the wire group fixing portion 31 in the protector body width direction Y, that is, in a direction orthogonal to the axis of the longitudinal portion 20a and the axis of the bent portion 20b of the wire group 20. It is formed as follows. Thereby, the band removal prevention part 32 has covered the longitudinal direction edge part 30a of the protector main body 30 from the upper side.

  Furthermore, the wire harness protector 10 includes a slit forming portion 33 that protrudes from the longitudinal end 30 a of the protector body 30 so as to face the other side 31 b of the wire group fixing portion 31, and the slit forming portion 33 and the wire group fixing portion 31. A slit-shaped gap 33a into which the binding band 40 can be inserted is formed.

  The slit forming portion 33 protrudes upward along the bent portion 20b of the wire group 20 from the longitudinal end portion 30a of the protector body 30, and the protector body longitudinal direction X, that is, along the longitudinal portion 20a of the wire group 20. It is formed to extend. Thereby, the slit formation part 33 has the rectangular horizontal cross-sectional shape from which the protector main body longitudinal direction X becomes a long side, and the protector main body direction Y becomes a short side (refer FIG. 2).

  The binding band 40 is formed by integrally forming a head portion 40b into which the other end portion of the band portion 40a is inserted at one end portion of the band portion 40a. The binding band 40 is serrated on one side surface of the band portion 40a. When the other end portion of the band portion 40a is inserted into the head portion 40b, the serration portion engages with a claw inside the head portion 40b. It has become. In the binding band 40, the band portion 40a is inserted into the gap 33a between the slit forming portion 33 and the wire group fixing portion 31 from above.

  The binding band 40 is substantially horizontal so that the band portion 40 a enters between the lower surface portion of the band retaining portion 32 and the upper surface portion of the protector body 30 and surrounds the bent portion 20 b of the wire group 20 and the wire group fixing portion 31. The other end portion of the band portion 40a is engaged with the head portion 40b. As a result, the bent portion 20 b of the wire group 20 is band-wrapped and fixed by the binding band 40 to the wire group fixing portion 31 of the wire harness protector 10.

  The wire harness protector 10 according to the present embodiment projects from the longitudinal end portion 30a of the protector body 30 along the bent portion 20b of the wire group 20 and extends to the protector body longitudinal direction X to the wire group fixing portion 31. Since the bent portion 20b of the electric wire group 20 is band-wrapped and fixed by the binding band 40, the bent portion 20b of the electric wire group 20 can be easily fixed, and sufficient fixing strength can be secured.

  Moreover, since the wire harness protector 10 according to the present embodiment includes the band retaining portion 32 that protrudes from the one side surface 31a of the wire group fixing portion 31 in the protector body width direction Y, the wire group 20 is pulled. Even if it is bent or bent, the binding band 40 does not come off from the electric wire group fixing portion 31, and the bent portion 20b of the electric wire group 20 can be reliably fixed.

  In addition, the wire harness protector 10 according to the present embodiment inserts the binding band 40 into the slit-shaped gap 33a formed between the slit forming portion 33 and the wire group fixing portion 31, and thus the wire group fixing portion. The position of the binding band 40 for fixing the bent portion 20b of the electric wire group 20 to the band 31 can be easily determined.

  In particular, the wire harness protector 10 according to the present embodiment does not allow the band portion 40a of the binding band 40 to be inserted into the hole in the step of fixing the bent portion 20b of the wire group 20, so The operation of fixing the portion 20b can be performed efficiently.

  The wire harness protector 10 according to the present embodiment makes the dimensions in the protector body width direction Y of the slit-shaped gap 33a formed between the slit forming part 33 and the wire group fixing part 31 uniform. You may make it the dimension of the protector main body width direction Y of the gap | interval 33a become so wide that it approaches the electric wire group 20 side.

  Further, a plurality of slit forming portions may be provided so that a plurality of slit-shaped gaps are formed on one side of the wire group fixing portion 31 (left side in FIG. 2). When the bent portion 20b of the electric wire group 20 to be fixed is thick, the plurality of slit forming portions close to the electric wire group fixing portion 31 have both the electric wire group fixing function.

  As described above, the wire harness protector according to the present invention can easily and reliably fix the bent portion of the wire group, and can secure sufficient fixing strength. Useful.

DESCRIPTION OF SYMBOLS 10 Wire harness protector 20 Electric wire group 20a Longitudinal part 20b Bending part 21 Electric wire 30 Protector body 30a Longitudinal end part 31 Electric wire group fixing part 31a One side surface 31b Other side surface 32 Band removal prevention part 33 Slit formation part 33a Gap 40 Binding band X Protector body longitudinal direction Y Protector body width direction

Claims (2)

A protector main body extending along a longitudinal portion of an electric wire group composed of a plurality of electric wires, and a bent portion of the electric wire group that is bent at the end portion of the protector main body and connected to the longitudinal portion of the electric wire group is fixed. A wire harness protector,
An electric wire group fixing portion that protrudes from the end of the protector body along the bent portion of the electric wire group and extends along the longitudinal portion of the electric wire group;
A band retaining portion projecting in a direction intersecting both the longitudinal portion and the bent portion of the wire group from one side surface of the wire group fixing portion;
A protector for a wire harness, wherein the bent portion of the electric wire group is fixed to the electric wire group fixing portion with a binding band.   A slit-shaped part that protrudes from the end of the protector body so as to face the other side of the wire group fixing part, and a slit-like shape that allows the binding band to be inserted between the slit forming part and the wire group fixing part. The protector for a wire harness according to claim 1, wherein the protector is configured to form a gap.

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