JP2007259592A - Bend-holding material and method of flat harness - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enhance dimensional precision, stability and bending workability of the bend of flat harness. <P>SOLUTION: Using a bend-holding material 10, comprises a body 11 consisting of a bottom plate portion 14 arranged on one side of a flat harness 30 along the insertion direction A and side plate portions 15, 16 projecting from the opposite side ends of the bottom plate portion 14 in the width direction, and first and second lids 12, 13 fixed to the body 11, where a first pressing portion 19 is projecting from the inner surface side of the first lid 12 to extend in the width direction; and a second pressing portion 20 is projecting from the inner surface side of the second lid 13, the folding fulcrum 33 side in a direction of orthogonally intersecting the insertion direction A of a flat harness 30-1 is pressed and secured by the first pressing portion 19; the folded flat harness 30-1a is folded again, while inclining and the inclining folded portion 34 is pressed and secured by the second press portion 20; and then the inclining folded piece 30-1b is led out from a cut portion 22 provided in the side-plate portion 16 on one end side of the bottom-plate portion 14 in the width direction. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a flat harness bending holding material and a flat harness bending holding method, and in particular, to improve the formation position accuracy and stability of a flat harness bending portion.

In recent years, with the increase in functionality and performance in automobiles, the number of electrical components has increased, and it is necessary to route a large number of wire harnesses. On the other hand, there is a strong demand for space saving in the wiring harness wiring space. Therefore, a thin and flexible flat harness that is required to suppress the bulk of the wire harness and to route a large number of harnesses in a small space and covers both front and back surfaces of a large number of conductors with an insulating resin layer. Are preferably used.
When such a flat harness is routed along a routing route in a vehicle, it needs to be bent at a number of locations. At that time, the flat harness is folded at a desired angle, and the folded portion is bent in a desired direction by tape-fastening or covering with a sheet.

  However, the position and form of the bent portion are very unstable simply by covering with the tape stopper or the sheet-like one due to the form recoverability of the flat harness. Therefore, for example, in Japanese Patent Laid-Open No. 2002-101536 (Patent Document 1), it is proposed to stably hold the flat harness using the holder 1 as shown in FIG.

  The holder 1 includes a holder body 2 having a substantially L shape in plan view and a hook shape, and a lid 3 connected to the holder body 2 via a hinge 4 so as to be opened and closed. The holder body 2 has both inner and outer side walls 6 and 7 erected from both inner and outer side edges of a substantially L-shaped bottom plate 5, one end in the L-shaped direction is a harness introduction side opening A, and the other end is a harness lead-out side. An opening B is used. The outer wall 7 is formed between an introduction-side outer wall 7a parallel to the harness introduction direction, a lead-out outer wall 7b parallel to the harness lead-out direction, and both the walls 7a and 7b. The intermediate outer wall 7c is inclined and connected at an angle of 45 degrees. On the inner surfaces of the introduction-side outer wall 7a and the lead-out-side outer wall 7b, both ends of a folding machine 8 that is formed close to and parallel to the intermediate outer wall 7c and spaced apart in parallel to the bottom plate 5 are held. A pair of guide pieces 9 are opposed to each other on the inner and outer side walls 6 and 7 near the harness introduction side opening A.

When the holder 1 having the above configuration is used, the flat harness F is inserted from the harness introduction side opening A between the bottom plate 5 and the guide piece 9, and the tip of the harness F is interposed between the folding device 8 and the bottom plate 5. Further, the harness F is pushed by the lid body 3 by being closed by the lid body 3 by closing the lid body 3 and locking it with the holder main body 2 in this state. And can be led out from the lead-out side opening B.
Accordingly, the flat harness F can be easily folded back, and a thin and flat folded form can be maintained so that the front and back after the folding are the same surface, and the folded portion can be stably held with respect to the mounting surface. It is possible to make it.

However, as shown in FIG. 7B, the holder 1 is provided with a gap larger than the thickness of the flat harness F between the folding device 8 and the bottom plate 5, the intermediate outer wall 7c, and the lid 3. ing. Due to this gap, blurring is likely to occur at the turn-back position, the dimensional accuracy of the harness length is lowered, and the harness F easily vibrates in the holder 1 to cause a rattling sound. On the other hand, if this gap is too narrow, the harness insertion work becomes difficult.
Moreover, in the said holder 1, a flat harness can be folded back only at a fixed angle, It is necessary to produce many holders of a different shape according to various wiring directions and branch angles of a flat harness. Therefore, there is a problem that the versatility is poor and the cost is high.

JP 2002-101536 A

  The present invention has been made in view of the above problems, and can easily fold a flat harness at an accurate position, has high stability of a bent portion, and can cope with a variety of folded wiring directions. It is an object to provide a flat harness bending holding material and a flat harness bending holding method.

In order to solve the above problems, the present invention provides:
A bending holding material that is attached to a required position of the flat harness and holds and fixes the bent portion of the flat harness,
A main body comprising a bottom plate portion arranged on one side along the insertion direction of the flat harness, side plate portions protruding from both side ends in the width direction of the bottom plate portion, and a first lid and a second lid attached to the main body A first pressing portion that extends in the width direction on the inner surface side of the first lid, and the second lid projects a second pressing portion on the inner surface side,
The folded fulcrum side perpendicular to the harness insertion direction of the flat harness is pressed and fixed by the first pressing portion of the first lid, and the folded portion of the folded flat harness is inclined again to the second lid. The flat harness folding is characterized in that the second pressing part is pressed and fixed, and the harness folded and inclined is led out and held from a notch part provided in the side plate part on one end side in the width direction of the bottom plate. Provides song-holding materials.

  The bending holding material having the above-described configuration is a two-step process in which the flat harness is folded in a direction orthogonal to the harness insertion direction (hereinafter referred to as “orthogonal folding”) and in a tilting direction (hereinafter referred to as “inclined folding”). Since the two parts of the folded and orthogonal folded fulcrum side and the inclined folded part are pressed and fixed by the first pressing part and the second pressing part, respectively, the folded part of the harness is loosened or misaligned due to the shape restoring property of the flat harness. This can be reliably prevented, the dimensional accuracy of the harness length can be increased, and the assembly accuracy can also be increased. In addition, by pressing and fixing the harness bent portion in this way, the stability of the bent portion is improved, and the occurrence of rattling noise can be suppressed even when subjected to vibration.

Furthermore, in the bent portion manufacturing step, first, the orthogonal folding fulcrum side is pressed and fixed by the first pressing portion, and then the inclined folding is performed, so that the workability is good and the flat harness is easily and accurately oriented in the desired routing direction. Can be routed.
Further, since the harness folded back is led out from the notch provided in the side plate portion of the holding material, by setting the width of the notch wider than the harness width, The harness can be led out in various directions by adjusting the inclination angle. Accordingly, the versatility of the holding material can be increased, the cost can be reduced, and a single holding material can flexibly cope with a change in the routing setting.

  In addition, it is preferable to provide the mark which shows the orthogonal folding position of a harness in the side plate part on the opposite side to the harness derivation | leading-out side among the said side plate parts. As a result, the harness can be folded at an accurate position as set, and the folding fulcrum can be reliably pressed and fixed by the first pressing portion.

The first lid and the second lid are hinged to a side plate portion on the other end side in the width direction of the bottom plate,
The first pressing portion of the first lid is a stepped projecting portion, and the second pressing portion of the second lid is formed by cutting and raising a part of the lid to form a spring piece. A locking portion and a locked portion that are coupled when the lid is closed are provided between the two lids and a side plate portion protruding from one end of the bottom plate portion; and
A tape winding tongue piece or a clip mounting portion is provided from the tip of the bottom plate portion corresponding to the second lid.

  The first lid and the second lid are formed as separate bodies separable from the main body, and the both side plate portions of the main body are attached to the locked portions provided on both sides in the width direction of the first lid and the second lid. It is good also as a structure which can attach a 1st cover and a 2nd cover to a main body, and can close an upper surface opening part by carrying out lock locking of the lock | rock part provided in.

Furthermore, the present invention is a method for fixing and holding a bent portion of a flat harness using the bending holding material,
The bottom plate portion of the bending holding material is disposed on one side of the flat harness, and the flat harness is fixed to one end side in the length direction of the bottom plate portion with a tape or a clip,
Next, on the other end side of the bottom plate portion, the flat harness is folded in a direction orthogonal to the insertion direction, and in this state, the first lid is closed and the vicinity of the folding fulcrum is pressed and fixed by the first pressing portion,
Next, the folded piece is again tilted at the required angle and folded to the outside in the width direction of the flat harness,
Thereafter, the flat lid bending holding method is provided in which the second lid is closed and the inclined folded portion is held by the second pressing portion.

  As described above, according to the present invention, the flat harness is folded in two stages of orthogonal folding and inclined folding, and the two bent portions are pressed and fixed, respectively. It is possible to prevent loosening and lifting, and positional deviation, and to improve the dimensional accuracy and assembly accuracy of the harness length. In addition, the stability of the bent portion can be improved and the occurrence of a rattling sound caused by the raised bent portion can be prevented.

  Further, in the bent portion manufacturing step, the orthogonal folding fulcrum is first pressed and fixed by the first pressing portion, and then the inclined folding work is performed. Therefore, the folding work can be easily and accurately performed, and the workability is improved.

  Furthermore, by adjusting the angle of the inclined folding, the harness can be folded and routed in various directions with one holding material.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
1 to 5 show a flat harness bending holding material 10 and a flat harness bending holding method using the holding material 10 according to the first embodiment of the present invention.
As shown in FIG. 2, the flat harness 30 (30-1, 30-2) is a long and flexible harness obtained by laminating the front and back surfaces of the conductor 31 with an insulating resin 32.

As shown in FIG. 1, the bent holding material 10 includes a substantially bowl-shaped main body 11 through which a flat harness 30 is inserted, a first lid 12 and a second lid 13 that close the upper surface opening of the main body 11. Are integrally formed of resin.
The main body 11 includes a bottom plate portion 14 and side plate portions 15 and 16 projecting from both ends in the width direction of the bottom plate portion 14. The upper end of the side plate portion 15 on one end side is on the distal end side in the harness insertion direction A. Further, the first lid 12 is connected to the rear end side of the harness insertion direction A via the thin-walled hinge 17, and the second lid 13 is connected to the rear end side of the harness insertion direction A via the thin-walled hinge 18.

On the inner surface side of the first lid 12, as shown in FIG. 1, a first pressing portion 19 composed of a stepped protruding portion extending in the width direction at a position corresponding to the folding fulcrum 33 of the flat harness 30 to be inserted. Is protruding. In the second lid 13, a second pressing portion 20 made of a spring piece formed by cutting and raising a part of the second lid 13 on the inner surface side at a position corresponding to the inclined folded portion 34 of the flat harness 30 to be inserted. Is protruding.
On the inner surface side of the side plate portion 15, a mark 21 is attached to the orthogonal folding position of the harness 30-1.

  As shown in FIG. 1, the side plate portion 16 on the other end side includes discontinuous two side plate portions 16 a and 16 b with a notch portion 22 provided in an intermediate portion in the harness insertion direction A interposed therebetween. Specifically, one side plate portion 16 a is provided at a position corresponding to the opening / closing end 12 a of the first lid 12, and the other side plate portion 16 b is inserted into the harness among positions corresponding to the opening / closing end 13 a of the second lid 13. The width W1 of the cutout portion 22 (the length in the harness insertion direction A) is set so as to be wider than the width W2 of the flat harness 30.

Lock claws 23a and 23b project from the outer surfaces of the side plate portions 16a and 16b, and the lock claws 23a and 23b are engaged with the open / close end 12a of the first lid 12 and the open / close end 13a of the second lid 13, respectively. Locked portions 24a and 24b that can be stopped are provided.
The bottom plate portion 14 is provided with tape winding tongues 25 and 26 projecting from both ends in the harness insertion direction A.

A method of producing a bent portion of the flat harness 30 using the bent holding material 10 having the above-described configuration, and fixing and holding the bent portion and branching wiring will be described with reference to FIGS.
First, as shown in FIG. 2, the two flat harnesses 30-1 and 30-2 are overlapped with the harness 30-1 bent and wired (branched), and the flat harnesses 30-1 and 30-overlapped. The bottom plate portion 14 of the bent holding material 10 is disposed on the lower surface side of the flat harness 30, and the flat harnesses 30-1 and 30-2 are inserted into the main body 11. In this state, the two flat harnesses 30-1 and 30-2 are wound and fixed on the tape winding tongue piece 25 on the second lid 13 side with the tape 27.

  Next, as shown in FIGS. 3A and 3B, the flat harness 30-1 is folded back in the direction perpendicular to the harness insertion direction along the position of the mark 21 of the side plate portion 15, and the first lid 12 is moved in this state. The lock claw 23a is locked to the locked portion 24a and closed. At this time, as shown in FIG. 3C, the orthogonal folding fulcrum 33 side is pressed and fixed from above by the first pressing portion 19 of the first lid 12.

  Next, as shown in FIGS. 4A and 4B, the folded piece 30-1a folded in the orthogonal direction is folded at an angle of approximately 45 degrees with respect to the harness insertion direction A, and the flat harness 30-1 is folded. It bends outward in the width direction, and this inclined folded piece 30-1b is led out from the notch 22 to the outside and branches into a T-shape. In this state, the second lid 13 is closed, and the lock claw 23b is engaged with the locked portion 24b to lock and close. At this time, as shown in FIG. 4C, the inclined folded portion 34 is retained by the second pressing portion 20 of the second lid 13 from the top. Finally, the lower flat harness 30-2 is wound and fixed on the tape-wrapping tongue piece 26 on the first lid side with the tape 28.

  By fixing and holding the bent portion of the flat harness using the bending holding material 10 having the above-described configuration, the flat harness 30-1 is turned back in two stages of orthogonal folding and inclined folding, and the orthogonal folding fulcrum 33 and the inclined folding portion. 34 are fixed by the first pressing portion 19 and the second pressing portion 20, respectively, so that the stability of the bent portions is increased, and the bent portions are surely lifted and loosened or displaced. Can be prevented. Therefore, the dimensional accuracy of the harness length can be increased, the assembly accuracy can be improved, and the occurrence of rattling noise can be prevented.

  Moreover, when producing the said bending part, first, it aligns with the mark 21 of the side-plate part 15, turns back the flat harness 30-1 in the orthogonal direction with respect to the harness insertion direction A, and the orthogonal | vertical return | turnback fulcrum 33 side is made. Since the inclined folding is performed while being pressed and fixed by the first pressing portion 19, an accurate and reliable folding operation can be easily performed.

  Furthermore, since the width W1 of the notch 22 is set wider than the width W2 of the harness 30, as shown in FIG. 5, the lead-out direction of the flat harness 30-1 can also be set in various ways by adjusting the angle of the inclined folding. Can do.

  FIG. 6 shows a second embodiment of the present invention. In the present embodiment, not the branch portion of the flat harness but the wiring direction change portion of the single flat harness 30-1 is fixedly held by the bent holding material 10 '.

  The bent holding member 10 ′ has a tape winding tongue piece 25 protruding only from the end of the bottom plate 14 on the side of the second lid 13, that is, from the rear end in the harness insertion direction A, and a flat harness is provided on the tape winding tongue piece 25. 30-1 is wound and fixed with tape 29. Since the other configuration and the method of folding the flat harness 30-1 and fixing and holding the flat harness 30-1 with the bent holding member 10 'are the same as those in the first embodiment, the same reference numerals are given and the description thereof is omitted.

It is a perspective view of the bending holding material which concerns on 1st embodiment of this invention. It is a perspective view which shows the state which has arrange | positioned the flat harness in the bending holding material. The state in which the flat harness is folded in the orthogonal direction and the first lid of the bending holding material is closed is shown, (A) is a perspective view, (B) is a perspective plan view in the main body, and (C) is III in (B). FIG. The state in which the flat harness is folded back and held and fixed by a bending holding material is shown, (A) is a perspective view, (B) is a perspective plan view inside the main body, and (C) is a IV-IV line in (B). FIG. It is a see-through | perspective top view in a main body which shows the state which turned up the flat harness at a different inclination angle. It is a perspective view which shows the state which hold | maintained and fixed the flat harness with the bending holding material which concerns on 2nd embodiment of this invention. It is a figure of a prior art example.

Explanation of symbols

10, 10 'Bending material 11 Body
12 First lid 13 Second lid 14 Bottom plate portion 15, 16 Side plate portion 17, 18 Thin hinge 19 First pressing portion 20 Second pressing portion 22 Notch portion 25, 26 Tape winding tongue 30 (30-1, 30- 2) Flat harness 33 Orthogonal folding fulcrum 34 Inclined folding part A Harness insertion direction

Claims (3)

A bending holding material that is attached to a required position of the flat harness and holds and fixes the bent portion of the flat harness,
A main body comprising a bottom plate portion arranged on one side along the insertion direction of the flat harness, side plate portions protruding from both side ends in the width direction of the bottom plate portion, and a first lid and a second lid attached to the main body A first pressing portion that extends in the width direction on the inner surface side of the first lid, and the second lid projects a second pressing portion on the inner surface side,
The folding fulcrum side perpendicular to the harness insertion direction of the flat harness is pressed and fixed by the first pressing portion of the first lid, and the folded back portion of the flat harness is inclined and folded again. The flat is characterized in that it is pressed and fixed by the second pressing portion, and the harness folded and inclined is led out and held from a notch portion provided in a side plate portion on one end side in the width direction of the bottom plate. Harness holder for harness. The first lid and the second lid are hinged to a side plate portion on the other end side in the width direction of the bottom plate,
The first pressing portion of the first lid is a stepped projecting portion, and the second pressing portion of the second lid is formed by cutting and raising a part of the lid to form a spring piece. A locking portion and a locked portion that are coupled when the lid is closed are provided between the two lids and a side plate portion protruding from one end of the bottom plate portion; and
The flat harness bending holding material according to claim 1, wherein a tape winding tongue piece or a clip attachment portion is provided from a tip of the bottom plate portion corresponding to the second lid. A method for fixing and holding a bent portion of a flat harness using the bending holding material according to claim 1 or 2,
The bottom plate portion of the bending holding material is disposed on one side of the flat harness, and the flat harness is fixed to one end side in the length direction of the bottom plate portion with a tape or a clip,
Next, on the other end side of the bottom plate portion, the flat harness is folded in a direction orthogonal to the insertion direction, and in this state, the first lid is closed and the vicinity of the folding fulcrum is pressed and fixed by the first pressing portion,
Next, the folded piece is again tilted at the required angle and folded to the outside in the width direction of the flat harness,
Thereafter, the flat lid bending holding method in which the second lid is closed and the inclined folded portion is held by the second pressing portion.

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