JPH089530A - Protector for wire harness - Google Patents

Abstract

PURPOSE:To position a specific wire at the center of a crosssection of a protector even at the outside of openings at both ends by making the specific wire positioned and kept at the center of the crosssection of the protector inside the protector. CONSTITUTION:This protector 10 is constituted of a gutter-shaped resin molding and is mounted on a mounting member such as a car body panel, with a wire harness (W/H) constituted of many wires being passed through openings 11a, 11b at its both ends. Specific wire holding sections 13 are formed integrally with the protector or removably at two sections near the openings at both ends inside the protector. At that time, specific wire housing spaces 14 formed in the specific wire holding sections are positioned at the center of a crosssection of the protector. Out of many wires which are to be passed through the inside of the protector, only the specific wire (W-S) are passed through the specific wire housing spaces.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a protector for protecting a wire harness, which is attached to a vehicle body panel or the like in a state where a wire harness for an automobile is penetrated, and more particularly to a wire group to be penetrated inside the protector, a specific electric wire If included,
The specific electric wire can be positioned at the center of the cross section of the protector, and the wire harness projecting from the protector is bound so that the specific electric wire is positioned at the center and surrounded by the general electric wire.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 8, a protector 1 of this kind is made of a gutter-shaped resin molded product, and a wire harness W / H composed of a large number of electric wires through openings 1a and 1b at both ends in the length direction. The electric wire group is inserted into the protector in a disassembled state, and the fixed spatula 1 projecting from the protector 1 is opened at both ends of the protector.
The electric wire group is wound together with c and 1d by the adhesive tapes 2 and 2 to be bound. That is, the electric wire group is inserted at random inside the protector, and is bundled at both ends in an at random state.

In a wire harness formed by bundling a large number of electric wires, it is absolutely necessary to avoid short-circuiting with a vehicle body panel, for example, a power supply line directly connected to a battery to which voltage is constantly applied, It is preferable that the bundle of electric wires is located at the center of the cross section and not at the outer periphery. That is, since a large amount of current is flowing through the power supply line, it is preferable to position the power supply line at a central position where disconnection is less likely to occur due to interference due to an edge of the vehicle body panel or the like.

In view of the above points, for example, as shown in FIG. 9, a binding tool 4 dedicated to positioning a specific electric wire has been proposed. (Refer to Japanese Utility Model Laid-Open No. 122257/1990) The above-mentioned binding tool 4
Is provided with three radially extending projections 4b on the outer periphery of a substantially annular holding member 4a, and the holding member 4a holds the specific electric wire W-S to fix the specific electric wire and the binding tool 4 with a tape. In a state in which other general electric wires W are arranged on the outer peripheral surface of the W-S holding member 4a, the outer circumferences of these electric wires to be bundled are bound by the tape 3 to form the wire harness W / H.

When a part of the wire harness W / H in which the specific electric wire W-S is positioned at the center of the cross section using the above-mentioned binding tool 4 and the like is penetrated into the protector 1 as shown in FIG. As described above, inside the protector 1, as shown in FIG. 10, the specific electric wire W-S and the general electric wire W are randomly inserted, and the fixed spatula 1 is opened at both end opening positions.
The adhesive tapes 2 and 2 are bound together in a random manner together with c and d. That is, the specific electric wire W-S may not necessarily be located at the center of the cross section of the wire harness W / H but may be located at the outer peripheral portion.

[0006]

The wire harness W / H coming out of the protector 1 is composed of the binding tool 4 and the tape 3.
Since the specific electric wire W-S is positioned and bundled around the center, as shown in FIG. 11, the specific electric wire W-S is located at the central position of the wire harness W / H as it approaches the tape 3 (the binding tool 4). Will be placed. However, the distances L1 and L between the ends of the protector 1 and the tapes 3 and 3 (the tying tools 4 and 4)
The larger 2 is, the higher the probability that the specific electric wire W-S is located at the outer peripheral portion near both ends of the protector 1.

As described above, when the specific electric wire W-S is located on the outer peripheral portion in the vicinity of the protector, even if the specific electric wire W-S is positioned by using the binding tool 4, the effect is lost,
In the vicinity of the protector, the specific electric wire may come into contact with the vehicle body panel to cause a short circuit.

To solve the above-mentioned problem, when the electric wire group is bound together with the fixing rollers 1c and 1d by the adhesive tapes 2 and 2 at both ends of the protector, the specific electric wire WS is selected and the specific electric wire WS is selected. And the general electric wire W so as to surround the outer periphery of the specific electric wire W-S with the adhesive tape 2,
Need to be united in two.

However, the above-mentioned sorting work is not easy, and furthermore, it is not easy to wind the tape together with the fixed spatula while arranging the general electric wire on the outer periphery of the specific electric wire, and there is a drawback that the work efficiency is very poor. .

The present invention is intended to solve the above-mentioned drawbacks, and enables a specific electric wire to be positioned and held in the center of the cross section of the protector inside the protector, and to be specified in the center of the cross section of the wire harness projecting from both openings of the protector. The purpose is to provide a protector in which the wires are located.

[0011]

In order to achieve the above-mentioned object, the present invention provides a wire formed of a gutter-shaped resin molded article according to claim 1 and comprising a large number of electric wire groups through openings at both ends in the longitudinal direction. A protector attached to a member to be attached such as a vehicle body panel in a state where the harness is penetrated,
A specific electric wire holding portion is integrally or detachably provided inside the protector in the vicinity of both end openings, and the specific electric wire housing space formed in the specific electric wire holding portion is positioned at the approximate cross-sectional center of the protector and penetrates inside the protector. There is provided a wire harness protector configured to insert a specific electric wire in the electric wire group into the specific electric wire accommodation space.

When the above-mentioned specific wire holding portion is integrally formed with the protector, a support portion integrally standing upright from the inner surface of the bottom wall of the protector main body and a continuous projection from the upper end of the support portion are inserted into the upper portion of the specific wire. And an annular receiving portion whose inside is a specific electric wire accommodation space.
(Claim 2)

When the specific electric wire holding portion is provided separately from the protector, the specific electric wire holding portion includes a mounting flat plate portion,
From a supporting portion projecting from the center of the mounting flat plate portion, and an annular receiving portion that continuously projects from the upper end of the supporting portion and has an opening for inserting a specific electric wire in the upper part and has the inside as a specific electric wire accommodation space. On the other hand, on the bottom surface of the protector near the openings at both ends, a locking frame portion for removably locking the mounting plate portion is provided. (Claim 3)

It is preferable that the ring-shaped receiving portion of the specific electric wire holding portion according to the above-mentioned claim 2 and claim 3 has a concave shape and is provided with a closing tongue portion projecting inward from the upper end thereof. Alternatively, the ring shape may be a shape in which closing tongue portions are provided from both ends of the opening provided at the upper end thereof. In any case, it is preferable that the specific electric wire once inserted into the specific electric wire accommodation space does not easily come out from the opening for inserting the specific electric wire provided at the upper end.

Further, when the specific wire holding portion is separately mounted as described in claim 3 and is detachably attached to the protector main body, a plurality of types in which the height of the supporting portion and the cross-sectional area of the specific wire receiving space are different from each other It is preferable that the specific electric wire holding portion is provided in advance and selected according to the amounts of the specific electric wire and the general electric wire and attached to the protector body.

Further, the specific electric wire holding portions provided on the protector are separately provided near the openings at both ends when the protector is long, but when the protector is short,
You may provide a specific electric wire holding part inside the protector over the whole length direction to the opening vicinity at both ends.

In the protector of the present invention, as in the conventional case,
A fixed wrasse is projected from the bottom wall edges of both openings of the protector, and the wire group of the wire harness penetrating the protector is bound together with the fixed wrench with an adhesive tape.
(Claim 4)

In the protector of the present invention, the wire harness is passed through the gutter-shaped protector body, and then the upper end opening thereof is closed by a lid as in the conventional case. The vehicle body mounting portion is fixed to a required place.

[0019]

In the protector according to the first aspect of the present invention, since the specific electric wire holding portion is provided in the vicinity of the openings at both ends of the protector, the specific electric wire is simply passed through the specific electric wire holding space of the specific electric wire holding portion. The specific electric wire can be positioned at the center of the cross section of the. Therefore, it is possible to position the specific electric wire at the center of the wire harness that comes out of the openings at both ends of the protector, and enclose the specific electric wire with the general electric wire.

When the specific electric wire holding portion according to claim 2 is integrally formed with the protector main body, it is not necessary to attach the specific electric wire holding portion to the protector main body, and
It is possible to prevent a situation in which the particular electric wire holding portion is forgotten to be attached and the special electric wire is not searched.

On the other hand, when the specific electric wire holding portion is detachably attached to the protector main body as described in claim 3, the specific electric wire holding portion is not attached to the protector main body, and the wire harness accommodates only the general electric wire. It can be shared as a protector. In addition, as a specific electric wire holding portion that is detachably attached, a plurality of types having different heights of the supporting portion and the cross-sectional area of the specific electric wire accommodating space are prepared and specified in the wire harness that penetrates the inside of the protector. When the specific wire holding portion is selected and attached according to the amount of the electric wire and the amount of the general electric wire, the specific electric wire can be reliably arranged at the center of the cross section of the wire harness.

According to the fourth aspect of the present invention, when the electric wire group extending from the openings at both ends of the protector is bound together with the fixing spatula with the adhesive tape, the specific electric wire holding portion preliminarily positions the specific electric wire at the center position of the electric wire group. Therefore, it is possible to bundle the specific electric wires with the adhesive tape at the center by simply binding the electric wire group while keeping the wires protruding from the openings at both ends of the protector.

[0023]

The present invention will be described in detail below with reference to the embodiments shown in the drawings. FIG. 1 shows a protector 10 according to the first embodiment, which is a resin molded product, and which passes through openings 11a and 11b at both ends in the longitudinal direction of a gutter-shaped protector body 11 to form side walls 11c and 11d and a bottom wall 11e. A wire harness W / H including a large number of electric wire groups is made to penetrate through the enclosed electric wire housing portion 12. In the same manner as the conventional protector, after the wire harness is passed through the electric wire housing portion 12, the upper end opening thereof is closed by a lid (not shown), and a body panel or the like is provided through a vehicle body mounting portion (not shown). The fixed member is fixed to a required position.

The protector 10 has openings 11 at both ends.
Within the vicinity of a and 11b, of the wire harness W / H composed of the specific electric wire W-S and the general electric wire W, the specific electric wire holding portion for positioning and holding the specific electric wire WS at the center of the electric wire accommodating portion 12. 13 are integrally provided. The specific wire holding portion 13 has a support portion 13a standing upright from the inner surface of the bottom wall 11e of the protector body 11, and the support portion 13a.
An annular receiving portion 13b is provided continuously from the upper end of a.

The annular receiving portion 13b is a concave frame portion 13
The lower surface center of c is continuous with the upper end of the support portion 13a, and the closing tongue portions 13d are projected inward from the upper ends on both sides thereof. On the upper surface of these closing tongue portions 13d, a tapered surface 13e that inclines downward toward the inside is provided, and a required gap is provided between the tip ends of these tongue portions 13d, and the specific wire accommodation space 14 is provided.
An opening 13f communicating with is formed. The specific electric wire holding portion 13 sets the protruding height of the support portion 13a so that the specific electric wire housing space 14 is located at the center of the cross section of the electric wire housing 12.

The protector 10 has the same structure as the conventional one.
Bottom wall 1 of protector body 11 with openings 11a and 11b at both ends
The fixed spars 11f and 11g are projected from the edge of 1e.

The protector 10 has a wire harness W /
When inserting the electric wire group forming H, first, as shown in FIG. 2, the specific electric wire W-S is wired in the specific electric wire accommodation space 14 of the specific electric wire holding portion 13. Specifically, the specific electric wire WS is positioned in the opening 13f in the upper portion of the specific electric wire holding portion 13,
By pressing the specific electric wire W-S downward, the closing tongue portion 13d is expanded to both sides, and the specific electric wire W-S is inserted into the specific electric wire accommodation space 14. This specific wire accommodation space 1
The specific electric wire W-S can be inserted into the connector 4 easily because the closing tongue 13d is provided with the tapered surface 13e.

As described above, after all the specific electric wires W-S are inserted and held in the specific electric wire holding portion 13, the general electric wire W is wired inside the electric wire housing portion 12 excluding the specific electric wire holding portion 13. To do. At that time, the general electric wires W are arranged on the outer periphery of the specific electric wire holding portion 13 so as to be positioned as uniformly as possible. Next, the specific electric wire holding portion 13 and the specific electric wire holding portion 13
From the electric wire holding portion 12 except for the specific electric wire WS and the general electric wire W protruding through the openings 11a and 11b at both ends of the protector main body 11, the state of the specific electric wire Ws and the general electric wire W are maintained and converged. Bella 1 fixed on the bottom edge
1f and 11g are applied, and as shown in FIG. 3, the fixed spars 11f and 11g are bound by the adhesive tape 15 between the general electric wire W and the specific electric wire W-S.

As described above, in the protector 10 having the above-described structure, since the specific wire holding portion 13 is provided at the center of the wire housing portion 12, the wire harness W / H to be inserted into the wire housing portion 12 is provided. As shown in FIG. 4, the specific electric wire W-S can be reliably positioned at the center of the general electric wire W. Therefore, the openings 11 at both ends of the protector 10
Wire harness W of a portion projecting outward from a and 11b
Also in / H, the specific electric wire WS can be located at the center of the general electric wire W.

5 and 6 show a protector 10 of the second embodiment, in which the specific wire holding portion 1 is provided.
3'is formed separately from the protector body 11, and is detachably attached to the bottom wall 11e of the protector body 11.

Similar to the first embodiment, the specific wire holding portion 13 'is provided with a support portion 13a, a concave annular receiving portion 13b and a closing tongue portion 13d, and the support portion 13a is a rectangular mounting flat plate portion. It has a shape protruding from the center of 13 g.
On the other hand, a pair of inverted L-shaped locking frame portions 11h are integrally formed near the both ends openings 11a and 11b of the protector body 11, and the specific wire holding portion 13 is provided between these vertical frame portions 11h-2. 'The mounting flat plate portion 13g is inserted, and the upper and lower surfaces of the mounting flat plate portion 13g are attached to the horizontal frame portion 11h of the locking frame portion 11h.
-1 and the bottom wall 11e are sandwiched and fixed.

According to the protector 10 of the second embodiment, the projecting height of the support portion 13a of the specific wire holding portion 13 ',
Also, by changing the cross-sectional volume of the specific wire accommodation space 14, the specific wire WS can be arranged at the center of the cross section of the wire harness W / H in correspondence with the wire harness W / H having various diameters. I can.

That is, as shown in FIG. 6 (A), when the amount of the general electric wire W to be wired is large, by using the specific electric wire holding portion 13 'in which the protruding height H of the supporting portion 13a is high, The electric wire W-S can be reliably arranged at the center of the general electric wire W. On the contrary, as shown in FIG. 6 (B), when the amount of the general electric wire W to be wired is small, by using the specific electric wire holding portion 13 ′ in which the protruding height H of the supporting portion 13a is low,
The specific electric wire W-S can be arranged at the center of the general electric wire W. Further, as shown in FIG. 6C, when the amount of the specific electric wire WS to be wired is large, the specific electric wire holding portion in which the annular electric receiving portion 13b is formed in a large size and the specific electric wire accommodation space 14 is widened. By using 13 ′, all the specific electric wires W are prevented from leaking from the specific electric wire WS through the specific electric wire holding portion 13 ′.
-S can be arranged at the center of the general electric wire W.

The protector 10 of the present invention is not limited to the above-mentioned structure, and for example, as shown in FIG. 7A, the frame portion 13c 'of the annular receiving portion 13b of the specific wire holding portion 13 is formed into an annular shape. Opening 13f 'for inserting specific wire by notching the upper end
The shape may be provided with. Further, as shown in FIG. 7 (B), the frame portion 13c ′ of the annular receiving portion 13b is formed into an annular shape, and the slit 13i is provided at the upper end of the annular receiving portion 13b.
Of the tongue portion 13h that expands in diameter upward from both ends of the slit 13i and presses the specific wire W-S to widen the slit 13i,
The specific electric wire W-S may be inserted into the specific electric wire accommodation space 14. Further, the specific electric wire holding portion 1 formed integrally with or separately from the electric wire housing portion 12 of the protector 10.
3 and 13 'are provided near both end openings 11a and 11b, respectively, but when the protector is short, the specific wire holding portion is extended inside the protector over the entire length in the vicinity of both end openings. It may be provided.

[0035]

As is apparent from the above description, according to the protector of claim 1 of the present invention, the protector is provided with the specific electric wire holding portion for holding the specific electric wire of the wire harness, and the specific electric wire accommodation space is accommodated in the electric wire. Since it is arranged at the center of the portion, the wire harness wired inside the protector can surely arrange the specific electric wire at the center of the general electric wire. Therefore, even in the wire harness projecting from both ends of the protector, the specific electric wire can be arranged at the center of the general electric wire, so that the specific electric wire can be prevented from coming into contact with the vehicle body panel to cause a short circuit. I can.

Further, when the specific wire holding portion is integrally formed with the protector as in claim 2, it is not necessary to attach the specific wire holding portion to the protector body, so that workability can be improved. At the same time, it is possible to prevent inconvenience such as forgetting to attach the specific electric wire holding portion.

Further, when the specific wire holding portion is formed separately from the protector as in the third aspect, the height of the support portion and the volume of the specific wire accommodation space are made different. By preparing a plurality of types, it is possible to select and attach the specific electric wire holding portion in correspondence with the amount of the specific electric wire and the amount of the general electric wire in the wire harness that penetrates through the protector. That is, it is possible to deal with various wire harnesses having different diameters and electric wire amounts.
Further, it is also possible to use it as a protector for a wire harness for penetrating only general electric wires without attaching the specific electric wire holding portion to the protector body.

Further, as described in claim 4, when the fixing spatula is provided at both end openings of the protector and the specific electric wire is arranged at the center of the wire harness, the outer circumference of the wire harness is bound with the fixing spatula with the adhesive tape. In the wire harness of the part protruding outward from the opening of both ends of
It is possible to keep the state where the specific electric wire is arranged in the center.

[Brief description of drawings]

FIG. 1 is a perspective view showing a protector according to a first embodiment.

FIG. 2 is a perspective view showing a state in which a wire harness is inserted into a protector.

FIG. 3 is a side sectional view showing a state in which the wire harness is inserted into the protector.

4 is a sectional view taken along line IV-IV in FIG.

FIG. 5 is an exploded perspective view showing a protector of a second embodiment.

6A, 6B and 6C are sectional views showing advantages of the protector of the second embodiment.

7 (A) and 7 (B) are perspective views showing a modified example of the specific wire holding portion.

FIG. 8 is a perspective view showing a state in which a wire harness is wired to a conventional protector.

FIG. 9 is a cross-sectional view showing a state in which a specific electric wire of a wire harness is arranged at the center of a general electric wire using a conventional binding tool.

FIG. 10 is a sectional view showing a problem of a conventional protector.

FIG. 11 is a perspective view illustrating a problem of the conventional technique.

[Explanation of symbols]

 10 protector 11 protector main body 11a, 11b opening 11f, 11g fixed bellows 11h fixing frame part 12 electric wire accommodating part 13 specific electric wire holding part 13a supporting part 13b annular receiving part 13f opening 13g mounting flat plate part 14 specific electric wire accommodating space 15 adhesive tape W / H Wire harness W General electric wire WS Special electric wire

Claims (4)

[Claims] 1. A protector which is made of a gutter-shaped resin molded article and is attached to a member to be attached such as a vehicle body panel in a state where a wire harness consisting of a large number of electric wire groups is passed through openings at both ends in the length direction thereof. There is provided a specific electric wire holding portion integrally or detachably inside the vicinity of both ends of the protector, and the specific electric wire accommodation space formed in the specific electric wire holding portion is located at the approximate cross-section center of the protector. A wire harness protector configured to insert a specific electric wire of the electric wire group penetrated inside into the specific electric wire accommodating space. 2. The specific electric wire holding portion has a support portion integrally provided upright from the inner surface of the bottom wall of the protector body, and an annular projection that continuously extends from the upper end of the support portion and has an opening for inserting the specific electric wire in the upper portion. The protector according to claim 1, comprising an annular receiving portion that is provided and has the interior thereof as a specific electric wire accommodation space. 3. The specific electric wire holding portion is provided separately from a protector, and the specific electric wire holding portion includes an attachment flat plate portion, a support portion protruding from the center of the attachment flat plate portion, and an upper end of the support portion. It is formed from a ring-shaped receiving portion that continuously protrudes in an annular shape and has an opening for inserting a specific electric wire in the upper part and the inside is a specific electric wire accommodation space, while the mounting plate portion is provided on the bottom surface near the opening at both ends of the protector. The protector according to claim 1, further comprising a locking frame portion that is detachably locked. 4. The protector is protruded from the edge of the bottom wall of the opening at both ends of the protector, and the wire group of the wire harness penetrating the protector is bound together with the fixer with an adhesive tape. The protector according to item 1.