JP2013192381A - Wire harness protection material and wire harness with exterior member - Google Patents

Abstract

The present invention provides a wire harness protective material that can eliminate tape lower winding on a wire harness, prevent a mounting position from shifting when a band clamp or the like is attached, and does not require a tape or the like for attachment.
A wire harness protection material 1 protects a wire harness 9 and has a cylindrical portion composed of a straight portion 2 and a bellows portion. The straight portion 2 is provided with a pair of through holes 4 through which the band 7 of the band clamp 6 can be inserted. The band clamp 6 is attached to the straight portion 2 by passing the band 7 through the pair of through holes 4. The band 7 is wound around the outer periphery of the straight portion 2 to bind the straight portion 2 and the wire harness 9 inside thereof. The wire harness 9 and the wire harness protective material 1 bound by the band 7 are fixed to the vehicle body panel 11 by the fixing portion 8 of the band clamp 6.
[Selection] Figure 7

Description

  The present invention relates to a “wire harness protective material” which is externally mounted on a wire harness routed in an automobile and protects the wire harness, and a “wire harness with an exterior member” having the same.

  FIG. 8 is a perspective view showing a conventional wire harness protective material and a band clamp (see Patent Document 1). In FIG. 8, the code | symbol 104 is a corrugated tube which is a wire harness protective material. Reference numeral 101 denotes a band clamp for fixing the wire harness and the corrugated tube 104 to a vehicle body panel or the like.

  The corrugated tube 104 is a cylindrical member made of synthetic resin, and is formed in a bellows shape in which annular concave portions 113 and annular convex portions 114 are alternately arranged in the longitudinal direction. In the corrugated tube 104, a slit 112 for inserting a wire harness is formed straight from one opening to the other opening.

  The band clamp 101 includes a synthetic resin band part 102 and a locking structure part 103. The band component 102 includes a band main body 105 wound around the outer periphery of the corrugated tube 104, and a substrate portion 106 provided at the rear end of the band main body 105 and disposed in the corrugated tube 104. The locking structural component 103 includes a band insertion part 117 through which the band body 105 is passed when the band body 105 is wound around the first round, and a band lock part 118 that locks the band body 105 when the band body 105 is wound around the second round. And a clip part 119 fixed to a vehicle body panel or the like (not shown).

  The band clamp 101 is attached to the corrugated tube 104 in the following procedure. First, the substrate portion 106 is inserted into the corrugated tube 104 from the slit 112. Then, the band main body 105 positioned outside the corrugated tube 104 is wound around the outer periphery of the corrugated tube 104 by about a half turn and passed through the band insertion portion 117. Further, the band main body 105 is wound around the outer periphery of the corrugated tube 104 and passed through the band lock portion 118, and the band main body 105 is locked to the band lock portion 118. Thereby, the attachment to the corrugated tube 104 of the band clamp 101 is completed.

  FIG. 9 is a perspective view showing another conventional wire harness protective material (see Patent Document 2). A harness protector 201 as a wire harness protection material shown in the figure is made of a synthetic resin, and integrally includes a protector body 210, two bands 220, and two band locking portions 230. .

  The protector body 210 has a flexible sheet shape, is rounded into a cylindrical shape, and encloses the wire harness.

  The two bands 220 are provided at intervals in the longitudinal direction of the protector body 210. Each band 220 has a plurality of locking teeth 221 formed continuously.

  The band locking portion 230 is provided at a position corresponding to the two bands 220, and has a configuration in which a locking claw 231 is coupled to a support frame 232 bent and raised from the protector body 210. When the band 220 is passed through the support frame 232, the arbitrary locking teeth 221 of the band 220 are engaged with each other so that the band 220 is locked.

  The harness protector 201 is attached to the wire harness by rolling the protector body 210 into a cylindrical shape, enclosing the wire harness, and locking the bands 220 to the band locking portions 230.

JP 2008-281119 A JP 2000-184550 A

  The two wire harness protective materials 104 and 201 described above have the following problems.

  First, the corrugated tube 104 shown in FIG. 8 needs to be bundled by winding the wire bundle of the wire harness with vinyl tape before it is mounted on the wire harness. There was a problem. Moreover, when attaching the band clamp 101 to this corrugated tube 104, there existed a problem that an attachment position (position of the axial direction of the corrugated tube 104) may shift | deviate or an attachment position may be mistaken.

  Further, the corrugated tube 104 shown in FIG. 8 is excellent in flexibility because it is formed in a bellows shape. However, since it is excellent in flexibility, it is distorted when the band clamp 101 or the like is wound around the outer periphery. There is a problem that the inner wire harness may be damaged.

  The harness protector 201 shown in FIG. 9 can omit the work of winding the wire bundle of the wire harness with vinyl tape. However, when the wrapped wire harness is fixed to the vehicle body panel or the like, a separate member is used. The fixing member must be attached to the protector main body 210 with vinyl tape or the like, and there is a problem that the mounting position of the fixing member may be shifted or the mounting position may be wrong, similar to the corrugated tube 104 described above. It was.

  The vinyl tape described above is not preferred because it not only makes the disassembly work difficult when the wire harness is disassembled, but also the applied adhesive causes deterioration of the wire covering material.

  Therefore, the present invention pays attention to the above-described problems, can eliminate the tape lower winding around the wire harness, can prevent the mounting position from shifting when attaching a band clamp or the like, and can be attached to the tape or the like. It aims at providing the wire harness with an exterior member which has a wire harness protective material which does not require this, and this wire harness protective material.

  In order to achieve the above object, the invention described in claim 1 is a wire harness protective material for protecting a wire harness, and includes a cylindrical portion through which the wire harness is passed, and a part of the cylindrical portion is It is a bellows part, and a pair of through-holes through which the band can be inserted are provided in a portion other than the bellows part of the cylindrical part, and the band can be attached to the cylindrical part by passing through the pair of through-holes. It is a wire harness protective material characterized by being.

  The invention described in claim 2 includes the wire harness protective material according to claim 1, the wire harness, and a band clamp in which a fixing portion and a band are integrally provided, and the pair of through holes The wire harness with an exterior member is characterized in that the wire harness and the tubular portion are bundled by the band that is passed through.

  According to the invention described in claim 1, the tube portion through which the wire harness is passed, a part of the tube portion being a bellows portion, and a band other than the bellows portion of the tube portion is attached to a band. A pair of through-holes can be inserted, and the band can be attached to the cylindrical portion by passing through the pair of through-holes. The position can be prevented from shifting, and no tape or the like is required for installation. Moreover, since a wire harness can be bundled by winding bands, such as the said band clamp, around a cylinder part, the tape under winding to a wire harness can be abolished. Further, the bellows portion is arranged in a bent state at a portion with R, and the portions other than the bellows portion are arranged in a straight state at a portion without R. Furthermore, a slit for inserting a wire harness is formed in the tube portion. Therefore, if a band is wound around the bellows part, the part may wrap and the edge may hit the wire harness, or the bellows part may be distorted and the irregularities of the bellows may hit the wire harness. However, this can be prevented by wrapping the band around the part other than the bellows part.

  According to the invention described in claim 2, the wire harness protection material according to claim 1, the wire harness, and a band clamp in which a fixing portion and a band are integrally provided, the pair of pairs Since the wire harness and the cylindrical portion are bundled by the band passed through the through hole, it can be easily assembled without using tape or the like, and the band clamp mounting position can be prevented from shifting, and It is possible to provide a wire harness with an exterior member that can prevent a portion bound by a band of the wire harness from being damaged.

It is a top view which shows the wire harness protective material concerning one embodiment of this invention. It is sectional drawing along the AA line in FIG. It is explanatory drawing explaining the method of attaching a band clamp to the wire harness protective material shown by FIG. It is a figure which shows the state which passed the band of the band clamp through the through-hole of the wire harness protective material shown by FIG. It is a figure which shows the state which passed the wire harness through the wire harness protective material shown by FIG. It is a figure which shows the state which bound the wire harness and the wire harness protective material by the band shown by FIG. It is a figure which shows the state by which the wire harness with an exterior member assembled by the method shown to FIGS. 3-6 was fixed to the vehicle body panel. It is a perspective view which shows the conventional wire harness protective material and band clamp. It is a perspective view which shows the other conventional wire harness protective material.

  A wire harness protective material and a wire harness with an exterior member according to an embodiment of the present invention will be described with reference to FIGS.

  A wire harness protection material 1 according to the present invention shown in FIG. 1 is used to protect the wire harness 9 by being mounted on a wire harness 9 routed in an automobile. The wire harness 9 is configured by bundling a plurality of electric wires 9a. Moreover, the wire harness 10 with an exterior member of this invention shown in FIG. 7 is comprised with the said wire harness protective material 1, the wire harness 9, and the band clamp 6. FIG.

  The wire harness protective material 1 is made of synthetic resin and has a cylindrical portion 20 through which the wire harness 9 is passed. As shown in FIG. 1, the cylindrical portion 20 includes a straight portion 2 formed in a cylindrical shape having a substantially constant inner and outer diameter, and a bellows portion 3 in which large diameter portions 3 a and small diameter portions 3 b are alternately arranged. Has been. Moreover, as shown in FIG. 2, the slit 5 for inserting the wire harness 9 in the inside is formed in the cylinder part 20 over the full length.

  As shown in FIGS. 1 and 2, the straight portion 2 of the cylindrical portion 20 is provided with a pair of through holes 4 into which the band 7 of the band clamp 6 can be inserted.

  In the present invention, the pair of through holes 4 are provided in the straight portion 2 instead of the bellows portion 3. The reason is that the bellows portion 3 is arranged in a bent state at a portion with R, and the straight portion 2 is arranged in a straight state at a portion without an R. Therefore, when the band 7 is wound around the bellows portion 3, However, there is a possibility that the portion wraps and the edge hits the wire harness 9 or the bellows portion 3 is distorted and the irregularities of the bellows hit the wire harness 9 to damage the wire harness 9. This is because this can be prevented by winding 7.

  As shown in FIG. 2, the pair of through holes 4 are provided at both ends of the diameter of the straight portion 2. The length from one through hole 4 to the slit 5 is equal to the length from the other through hole 4 to the slit 5.

  As shown in FIG. 7, the band clamp 6 binds the wire harness protection member 1 and the wire harness 9 and fixes them to the vehicle body panel 11. The band clamp 6 is made of a synthetic resin, and integrally includes a band 7 that binds the straight portion 2 and the wire harness 9 and a fixing portion 8 that is fixed to the vehicle body panel 11. The band 7 is formed in a band shape, and a plurality of locking teeth are continuously formed on one surface. At one end of the band 7, a lock portion 71 that locks the band 7 by engaging with an arbitrary locking tooth by passing a portion on the other end side of the band 7 is provided. The fixing portion 8 is provided at a contact portion 81 that elastically contacts the vehicle body panel 11, a support portion 82 that is erected from the contact portion 81, and a front end of the support portion 82, and is press-fitted into a mounting hole 12 provided in the vehicle body panel 11. And a press-fitting portion 83. As shown by an arrow B in FIG. 3, the band clamp 6 is attached to the wire harness protective material 1 by passing the band 7 through the pair of through holes 4.

  As shown in FIG. 7, the wire harness 10 with an exterior member has a band clamp 6 attached to the wire harness protective material 1, the wire harness protective material 1 is externally attached to the wire harness 9, and passes through the pair of through holes 4. The band 7 is formed by binding the wire harness 9 and the straight portion 2 of the wire harness protective material 1 together.

  The said wire harness 10 with an exterior member is assembled in the following procedures. First, as shown in FIGS. 3 and 4, the band clamp 6 is attached to the wire harness protective material 1 through which the wire harness 9 is not passed. At this time, as shown by an arrow B in FIG. 3, the band 7 of the band clamp 6 is passed through the one through hole 4 from the outside of the wire harness protective material 1 and then from the inside of the wire harness protective material 1. The wire harness protective material 1 is attached so as to pass through the other through-hole 4. Since the band clamp 6 is assembled only by passing the band 7 through the pair of through holes 4 provided in the wire harness protective material 1 in advance, the mounting position of the band clamp 6 (the axial position of the cylindrical portion 20). There is no slippage. Further, no tape or the like is required for attaching the band clamp 6.

  Next, as shown in FIG. 5, the wire harness 9 is inserted into the wire harness protective material 1. At this time, the slit 5 is expanded, and the wire harness 9 is inserted into the wire harness protective material 1 from the slit 5.

  Next, as shown in FIG. 6, the portion on the other end side of the band 7 is pulled through the lock portion 71, and the upper half of the straight portion 2 and the plurality of electric wires 9 a of the wire harness 9 are bound by the band 7. As a result, the band clamp 6 is firmly attached to the wire harness protective material 1, the slit 5 is closed, and the plurality of electric wires 9 a of the wire harness 9 are combined and fixed to the inner peripheral surface of the straight portion 2. . Finally, the surplus part of the band 7 drawn out from the lock part 71 is cut, and the assembly of the wire harness 10 with the exterior member is completed.

  Further, conventionally, before inserting the wire harness 9 into the wire harness protective material such as a corrugated tube, it has been necessary to wind down the plurality of electric wires 9a of the wire harness 9 with vinyl tape and put them together. However, in the present invention, by winding the band 7 of the band clamp 6 around the straight portion 2, the plurality of electric wires 9a can be integrated, so that the tape lowering operation can be abolished.

  Further, as shown in FIG. 7, the wire harness 10 with the exterior member assembled in the above-described procedure is pressed into the vehicle body panel 11 by press-fitting the press-fit portion 83 of the band clamp 6 into the mounting hole 12 of the vehicle body panel 11. Fixed.

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

DESCRIPTION OF SYMBOLS 1 Wire harness protective material 2 Straight part 3 Bellows part 4 Through-hole 6 Band clamp 7 Band 8 Fixing part 9 Wire harness 10 Wire harness with an exterior member 20 Tube part

Claims (2)

A wire harness protective material for protecting a wire harness,
A cylindrical portion through which the wire harness is passed;
A part of the cylindrical part is a bellows part,
A pair of through-holes through which a band can be inserted are provided in parts other than the bellows part of the cylindrical part,
The wire harness protective material can be attached to the cylindrical portion by passing the band through the pair of through holes. The wire harness protective material according to claim 1,
A wire harness,
A band clamp in which the fixing portion and the band are provided integrally;
The wire harness with an exterior member, wherein the wire harness and the tubular portion are bound by the band passed through the pair of through holes.

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