JP2006197700A - Wire sheathing tool - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a technology for easily and promptly performing work by using small numbers of part items and installation processes, in a wire sheathing tool that protects a wire when installing the wire to a vehicle body or the like. <P>SOLUTION: The flat wire 10 is coated with a sheathing member 20 and fixed with a clip 30. The sheathing member 20 comprises an upper piece 21, a lower piece 22 and a side 23. The cross section face of the sheathing member is formed into a U shape, and one-side ends in the width direction (y direction) of the U-shaped sheathing member reach both ends in the length direction, and forms an opened gap 24. The clip 30 is formed by being integrated with a platy base board 31, a locking part 32 for installing the clip to a vehicle, and a stop part 34 that fixes the flat wire 10. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to an electric wire exterior tool that is particularly suitable for application when an electric wire is attached to a vehicle or the like.

Conventionally, in this type of electric wire outer casing, a protrusion is provided on the upper portion of one side wall portion of an outer member whose cross-sectional shape is formed in a substantially U shape by a pair of side wall portions and a bottom wall portion. An engagement hole is provided in the upper part of the side wall part of this, and an electric wire is accommodated inside. Moreover, it fixes to a wiring position by another members, such as a support plate (for example, refer patent document 1).
Japanese Patent Laid-Open No. 9-247819 (FIG. 1)

However, this has the following disadvantages.
In addition to parts such as protrusions and engagement holes for fixing the electric wire to the exterior member, a large number of parts such as a support plate for attaching the exterior member to the routing position are required.
In addition, since the number of parts is large, the number of mounting processes is large and workability is poor.
The present invention has been made in view of such problems, and an object thereof is to provide a technique capable of solving the above problems.

In order to solve the above problems, the present invention has the following configurations.
The gist of the invention described in claim 1 is an electric wire exterior device that is attached to a vehicle or the like while protecting the electric wire, and includes an outer member that protects the electric wire, and a fixing member that fixes the electric wire to the outer member. The exterior member includes a first piece and a second piece, and has a gap into which the electric wire can be inserted between the first piece and the second piece, and the fixing member includes a substrate, It exists in the exterior tool for electric wires characterized by having the attaching part which attaches the said exterior member to a wiring position, and a stop part.
The gist of the invention described in claim 2 is that the first piece is provided with a substrate hole into which the substrate can be inserted, and the second piece is provided with a stop hole into which the stopper can be inserted. It exists in the armor for electric wires of Claim 1 characterized by the above-mentioned.
The gist of the invention described in claim 3 resides in the wire outer packaging device according to claim 1 or 2, wherein the electric wire is a flat electric wire and includes an insertion hole through which the stopper is inserted. .

According to the present invention, since the fixing member that fixes the electric wire to the exterior member includes the attachment portion that attaches the exterior member to the wiring position, the number of components can be reduced.
Moreover, there are few attachment processes and work can be performed easily and rapidly.

<First Embodiment>
Hereinafter, embodiments of the present invention will be described with reference to the drawings. In addition, in each figure, in order to make a structure easy to visually recognize, the flat electric wires 10 and 40 are described shorter than actual.
As shown in FIGS. 1 to 5, the wire outer packaging tool 1 according to the present embodiment is formed by covering a flat wire 10 (electric wire) with an exterior member 20 and fixing it with a clip 30 (fixing member).

  The flat electric wire 10 is a normal flat electric wire 10 routed in a vehicle or the like, and a plurality of conductors positioned in parallel at intervals are covered with an insulating resin material and formed in a strip shape.

The exterior member 20 is formed by extrusion molding or the like from polypropylene resin (PP) or the like. The exterior member 20 has an upper piece 21 (first piece), a lower piece 22 (second piece), and a side portion 23, and the cross section has a U-shape of katakana, and the outer shape is in the length direction (x Direction). One end in the width direction (y direction) forms a gap portion 24 opened to both ends in the length direction. The flat electric wire 10 can be inserted into the exterior member 20 by sliding it in the width direction from the gap 24. The flat electric wire 10 is positioned between the upper piece 21 and the lower piece 22, and the flat electric wire 10 is protected from the outside by the upper piece 21 and the lower piece 22.
A plurality of protrusions 25 are provided on the inner surfaces of the upper piece 21 and the lower piece 22 to prevent the flat electric wire 10 from shifting in the width direction in accordance with the pitch between adjacent conductors of the flat electric wire 10.

A rectangular substrate hole 26 into which the substrate 31 of the clip 30 is fitted is provided in the center of the upper piece 21 in the length direction. The substrate hole 26 is formed slightly larger than the substrate 31.
A rectangular stop hole 27 through which the stop portion 34 of the clip 30 is inserted is provided at both edges in the width direction of the lower piece 22. The stop hole 27 is provided at a position corresponding to the stop portion 34, and is positioned outside both ends of the flat wire 10 when the flat wire 10 is inserted between the upper piece 21 and the lower piece 22.

The configuration of the clip 30 will be described with reference to FIGS.
The clip 30 is formed by molding or the like from polypropylene resin (PP) or the like. The clip 30 is formed by integrally forming a plate-shaped substrate 31, a locking portion 32 (mounting portion) for mounting on the vehicle, and a locking portion 34 for fixing the flat electric wire 10.
The substrate 31 has a substantially rectangular shape in plan view, and is fitted into the substrate hole 26 provided in the exterior member 20.
A locking portion 32 is provided at the center of the upper surface of the substrate 31. Further, elongated projections 33 are provided on the upper surface of the substrate 31 on both sides of the locking portion 32.

  The locking portion 32 is for attaching the exterior member 20 that covers the flat electric wire 10 to the vehicle. The locking part 32 has one check piece 32a configured to be elastically deformable in the inner direction (the central direction of the locking part 32), one on each side in the width direction. The outermost part of the check piece 32a is configured to be positioned outside the fitting hole 90 of the vehicle in a natural state, and is configured to fit inside the fitting hole 90 in an elastically deformed state. Yes. The check piece 32a is inserted into the fitting hole 90 in a state in which the check piece 32a is elastically deformed inward, and the check piece 32a is returned to the original position (outside) after being inserted. The locking portion 32 is prevented from being detached from the fitting hole 90 by being caught by 90.

  The elongated protrusion 33 has a rectangular shape in plan view, and when the locking portion 32 is inserted into the vehicle fitting hole 90 so that the vehicle fitting hole 90 and the locking portion 32 do not deviate from each other, the vehicle fitting hole is formed. The height is configured to abut on the vicinity of 90.

One stop portion 34 is provided at each of the four corners of the lower surface of the substrate 31. The stopper 34 is for fixing the clip 30 to the exterior member 20 and for fixing the upper piece 21 and the lower piece 22 of the exterior member 20 so as not to be separated in the vertical direction in the gap portion 24.
The stop portion 34 is formed in an L shape including a vertical portion 34a and a horizontal portion 34b. The two stoppers 34, 34 provided on the same line in the length direction of the flat electric wire 10 are opposed to each other, and are configured to be elastically deformable inside (in the length direction center side of the substrate 31). The elastic member is inserted into the board hole 26 of the upper piece 21 and the stop hole 27 of the lower piece 22 from above the exterior member 20 in an elastically deformed state.
When the clip 30 is fitted to the exterior member 20, the lower surface of the substrate 31 contacts the upper surface of the upper piece 21, and the horizontal portion 34b contacts the lower surface of the lower piece 22, so that it is fixed in the vertical direction. The vertical portion 34 a is configured to have a length approximately equal to the total length of the flat wire 10 and the lower piece 22.
The front end of the horizontal portion 34b is configured to be positioned inside the stop hole 27 when elastically deformed inward, and to be positioned outside the stop hole 27 in a natural state. That is, the stopper 34 is inserted into the stopper hole 27 in a deformed state, and the horizontal part 34b is caught in the stopper hole 27 and the clip 30 and the exterior member 20 are fixed when the deformation force is removed after the insertion. It has become.

Next, the operation of the wire outer packaging tool 1 according to the present embodiment and the procedure until the flat wire 10 is attached to the vehicle will be described with reference to FIG.
First, the exterior member 20 is attached to the flat electric wire 10. Here, the exterior member 20 is slid and attached so that the flat electric wire 10 is inserted from the gap portion 24 of the exterior member 20.
Next, the stopper portion 34 of the clip 30 is inserted into the stopper hole 27 from above while being elastically deformed inward.
Next, after inserting the stopper 34 into the stopper hole 27, the force for elastic deformation in the inner direction is removed. When the force is removed, the stopper 34 is fitted into the stopper hole 27. Thereby, the exterior member 20 and the clip 30 are fixed in the length direction by the vertical portion 34a. At this time, the upper piece 21 and the lower piece 22 are fixed in the vertical direction by the horizontal portion 34b. Further, the substrate 31 is fitted into the substrate hole 26.
Next, the locking portion 32 of the clip 30 is inserted into the fitting hole 90 of the vehicle shown in FIG. Accordingly, the locking portion 32 is fitted into the fitting hole 90 and fixed to the vehicle.
As described above, the flat electric wire 10 is attached to the wiring position of the vehicle while being protected by the exterior member 20.

The wire outer packaging 1 according to the above-described embodiment has the following effects.
Since the stop portion 34 for fixing the flat electric wire 10 and the exterior member 20 and the locking portion 32 for mounting on the vehicle are integrally configured, the number of parts and the work process can be reduced, so that the work efficiency is high and the economy is high. Is.

Since the exterior member 20 has a gap portion 24 at one end in the width direction, and the flat wire 10 can be inserted in the width direction from the gap portion 24, it can be attached from any position of the flat wire 10. It is. Therefore, the attaching operation can be performed quickly and easily.
Moreover, since it is the structure which slides the exterior member 20 formed in the U-shape and inserts the flat electric wire 10, it does not take a space when attaching. That is, in the past, the exterior member was opened and closed, or the exterior member composed of two members was attached from above and below, but according to the present embodiment, the exterior member becomes larger when attached because it is slid. There is no.
Since the exterior member 20 is uniform in the longitudinal direction in a U-shaped cross section, the substrate hole 26 and the like can be formed by cutting or drilling after forming the outer shape by extrusion molding, reducing the manufacturing cost can do.
By providing the protrusion 25 on the inner surface of the exterior member 20, it is possible to prevent the flat wire 10 from shifting in the width direction.

Since the stopper 34 of the clip 30 is formed in an L-shape and is elastically deformed and fitted, an urging force acts in the length direction and the vertical direction (z direction), and the exterior member 20 and the clip 30 Can be fixed, and installation work is easy.
In the clip 30, since the locking portion 32 and the locking portion 34 are integrally formed of the same material, they can be easily manufactured by molding or the like.
The locking portion 32 can be easily attached to the vehicle by having a structure having the elastically deformable check piece 32a. Further, the provision of the elongated protrusion 33 prevents the locking portion 32 and the vehicle fitting hole 90 from shifting.

<Second Embodiment>
Hereinafter, the second embodiment will be described, but it is the same as the first embodiment described above except that the positions of the stopper 64 and the stopper hole 57 and the insertion hole provided in the flat electric wire 40 are the same. About the same part, the same code | symbol is attached | subjected and the description is abbreviate | omitted.
As shown in FIGS. 6 to 10, in the electric wire sheath 2 according to the present embodiment, the flat electric wire 40 is provided with two elongated insertion holes 41. The insertion holes 41 are provided between the conductors arranged at intervals, one at each end in the width direction.
In the exterior member 50, the substrate hole 56 is formed in a substantially rectangular shape in plan view, and is provided at the center of the upper piece 51 (first piece).
Further, the stop holes 57 are provided at positions corresponding to the respective insertion holes 41.
Each stop portion 64 is provided at a position corresponding to each insertion hole 41 with an interval smaller than the width of the flat electric wire 40.

In the electric wire sheath 2 according to the present embodiment, when the flat electric wire 40 and the outer member 50 are attached, the stopper 64 of the clip 60 is inserted into the insertion hole 41 of the flat electric wire 40 and the fixing hole 57 of the lower piece 52. Mate.
According to the present embodiment, when the clip 60 is fitted, the stopper 64 is inserted into the insertion hole 41, thereby preventing the flat wire 40 from being displaced in the width direction and the length direction.

Note that the present invention is not limited to the above-described embodiments, and it is obvious that the embodiments can be appropriately changed within the scope of the technical idea of the present invention. Moreover, it is not limited to embodiment of each said structural member, It can be set as a suitable number, a position, a shape, etc. when implementing this invention. Moreover, it is not restricted to directions such as up, down, left and right. That is, for example, the upper piece 21 and the lower piece 22 may be positioned on the left and right, or upside down.
In the present embodiment, the case where the flat electric wires 10 and 40 are arranged in a row has been described, but two or more rows may be used, and a configuration in which a plurality of flat electric wires are accommodated in one exterior member may be employed.
Although the case where the number of the stop portions 34 and 64 is four has been described, any number is applicable. For example, when there are two, molding is easy.
Although the board holes 26 and 56 and the stop holes 27 and 57 etc. were demonstrated in the structure provided in the center of the length direction of the exterior members 20 and 50, it does not necessarily need to be a center and it exists in the electric wire wiring position of a vehicle. What is necessary is just to be provided with the assembly | attachment pitch followed.

As shown in FIG. 11, the stopper portion 74 may be configured to be bent at an acute angle and have an inclined portion 74 a on the outer side of the lower end.
Further, as shown in FIG. 12, the stopper portion 84 may have a locking portion 84b whose outer side forms an inclined portion 84a at the lower end.
According to these structures, since the lower end outer side is inclined, when it is pushed into the stop hole 27 by a downward force, an inward force acts on the inclined portions 74a and 84a, and the stop portions 74 and 84 are inside. Transforms into Therefore, it can be easily inserted without applying a force in the inner direction.
Moreover, these are applicable also to the exterior | packing tool 2 for electric wires concerning 2nd Embodiment.

Although the case where the exterior member 20 is integrally formed in a substantially U shape has been described, other shapes may be used. For example, it is good also as a structure which consists of a lid-shaped 1st member which consists of an upper surface and both side surfaces, and a plate-shaped 2nd member. That is, the first member may be put on the upper part of the flat electric wire 10, the second member may be brought into contact with the lower part of the flat electric wire 10, and the first member and the second member may be fixed by the clip 30. With this configuration, for example, it is possible to cope with a case where there is no gap in the width direction of the flat electric wire 10 due to the installation state of the flat electric wire 10 and it is difficult to slide and insert from the width direction end.
Moreover, it is applicable also when comprised from two members formed in planar shape. According to this structure, since the shape of the exterior members 20 and 50 is simple, manufacture is easy.

  In the above embodiment, the clip 30 is fixed to the exterior member 20 by inserting the stop portion 34 into the substrate hole 26 and the stop hole 27. However, the stop portion 34 of the clip 30 is positioned outside the exterior member 20. It is good also as a structure which urges | biases to the center direction from the outer side in the width direction both ends of the exterior member 20. With this configuration, it is not necessary to provide the substrate hole 26 and the stop hole 27, and the manufacture is facilitated.

The perspective view of the exterior tool for electric wires concerning a 1st embodiment. The top view of the exterior tool for electric wires concerning a 1st embodiment. AA sectional drawing in FIG. BB sectional drawing in FIG. Explanatory drawing of the attachment procedure in the exterior tool for electric wires concerning 1st Embodiment. The perspective view of the exterior tool for electric wires concerning 2nd Embodiment. The top view of the exterior tool for electric wires concerning 2nd Embodiment. CC sectional drawing in FIG. DD sectional drawing in FIG. Explanatory drawing of the attachment procedure in the exterior tool for electric wires concerning 2nd Embodiment. Sectional drawing of the exterior tool for electric wires concerning other embodiment. Sectional drawing of the exterior tool for electric wires concerning other embodiment.

Explanation of symbols

1, 2, …………………………… Wire outer sheath 10, 40 ……………………… Flat wire (wire)
41 ……………………………… Insertion hole 20, 50 ……………………… Exterior member 21, 51 ………………………… Upper piece (first piece)
22, 52 ………………………… Lower piece (second piece)
23, 53 ................ Sides 24, 54 ............. Gaps 25, 55 ............ Projections 26, 56 ............ ………… Substrate holes 27, 57 ………………… Stop holes 30, 60 ……………………… Clip (fixing member)
31, 61 ………………………… Substrate 32, 62 ………………………… Locking part (mounting part)
32a, 62a ......... Check piece 33, 63 ............... Elongated convex portion 34, 64, 74, 84 ......... Stop portion 34a, 64a ............... Vertical portion 34b, 64b ............... Horizontal portion 74a, 84a ............... Inclined portion 90 ..........................................

Claims (3)

It is an exterior device for an electric wire that is attached to a vehicle or the like while protecting the electric wire,
An exterior member for protecting the electric wire;
A fixing member for fixing the electric wire to the exterior member;
The exterior member includes a first piece and a second piece, and has a gap into which the electric wire can be inserted between the first piece and the second piece.
The said fixing member has a board | substrate, the attaching part which attaches the said exterior member to a wiring position, and a stop part, The exterior device for electric wires characterized by the above-mentioned. A substrate hole into which the substrate can be inserted is provided in the first piece,
The outer covering tool for electric wires according to claim 1, wherein the second piece is provided with a stopper hole into which the stopper portion can be inserted. The electric wire is a flat electric wire,
The wire outer packaging device according to claim 1, further comprising an insertion hole through which the stopper is inserted.

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