JP2021069149A - Slide power supply device - Google Patents

Abstract

To provide a slide power supply device capable of smoothly attaching a cover to a deformed cover attachment portion of a protector main body even when the cover attachment portion is deformed at the time of molding.SOLUTION: A slide power supply device includes a wire harness obtained by bundling a plurality of electric wires, a case that flexibly accommodates the extra length of the wire harness, and a slide protector that pulls the wire harness out of the case, and the slide protector includes a protector main body 31 including a cover mounting portion 33 and a harness accommodating portion, and a cover 40 attached to the cover mounting portion 33 and covering the cover mounting portion 33 and the harness accommodating portion, and the cover mounting portion 33 includes a pair of mounting pieces 36 for mounting the cover 40 such that the pair of mounting pieces are elastically deformable, the cover 40 includes an insertion portion 45 to be inserted into the pair of mounting pieces 36, and the insertion portion 45 includes an inclined portion 45a that hits the tips of the pair of mounting pieces 36 and widens a gap between the pair of mounting pieces 36.SELECTED DRAWING: Figure 9

Description

The present invention relates to a slide power feeding device that supplies power to a vehicle slide seat or the like.

Conventionally, various slide power feeding devices arranged on a vehicle body such as a floor have been proposed in order to constantly supply power and send / receive signals to auxiliary devices such as electrical components in a slide seat of an automobile.

As a slide power feeding device of this type, there is one described in Patent Document 1 (not shown). In this slide feeding device, a corrugated tube in which a wire harness is inserted in a long case is bent in a U shape and arranged so as to be able to absorb an extra length. That is, one end side of the wire harness is fixed and housed in the case. In addition, a rail is installed inside the case. A slide protector fixed to the other end of the corrugated tube is slidably supported on the rail along the longitudinal direction of the rail. The other end of the wire harness is always located at the position where the slide sheet is moved by the slide protector. That is, the slide power feeding device can constantly supply power to the auxiliary equipment of the slide sheet via the slide protector that moves in conjunction with the slide sheet.

Further, the slide protector made of synthetic resin is attached so as to be inserted between the protector main body and the pair of separation blocking portions (extending walls) provided on the protector main body, and the other end of the corrugated tube is connected to the protector main body. It is equipped with a lid (cover) for fixing. Further, on the lower side of the lid, a sliding portion that slides along the rail is provided so as to project.

Japanese Unexamined Patent Publication No. 2006-35961

However, in the slide power feeding device described in Patent Document 1, the pair of separation blocking portions of the protector main body may be deformed at the time of molding, and in this case, it is difficult to smoothly attach the lid to the protector main body, resulting in erroneous assembly. Additional work will occur due to reassembly.

The present invention has been made in view of the problems of the prior art. An object of the present invention is to provide a slide power feeding device capable of smoothly attaching a cover to a deformed cover attachment portion even when the cover attachment portion of the protector main body is deformed at the time of molding.

The slide power supply device according to the aspect of the present invention includes a wire harness for bundling a plurality of electric wires, a case for flexing and accommodating the wire harness so as to be able to absorb an extra length, and a slide protector for guiding the wire harness to the outside of the case. The slide protector includes a protector main body having a cover mounting portion and a harness accommodating portion, and a cover attached to the cover mounting portion and covering the cover mounting portion and the harness accommodating portion. The cover mounting portion of the main body has a pair of mounting pieces for mounting the cover so as to be elastically deformable, the cover has an insertion portion to be inserted into the pair of mounting pieces, and the insertion portion of the cover. Has an inclined portion that hits the tips of the pair of mounting pieces and widens the gap between the pair of mounting pieces.

The insertion portion of the cover is composed of insertion ribs, the inclined portions are provided on both sides of the insertion ribs, and the insertion ribs are inserted and fitted between the pair of mounting pieces. It is preferable that the engaging portion provided on the cover is locked to the locking portion provided on the pair of mounting pieces.

The wire harness is inserted into a corrugated tube, and one end of the corrugated tube is fixed to the case, bent in a U shape and housed in the case, and the other end led out to the outside of the case. It is preferably fixed to the slide protector.

According to the present invention, it is possible to provide a slide power feeding device capable of smoothly attaching the cover to the deformed cover mounting portion even when the cover mounting portion of the protector main body is deformed at the time of molding.

It is a perspective view which shows an example of the slide feeding apparatus which concerns on embodiment of this invention. It is an enlarged perspective view of the main part of the slide power feeding device. It is a side view which shows the state which the slide protector moved a little with respect to the case of the slide power feeding device. FIG. 3 is a cross-sectional view taken along the line IV-IV in FIG. It is sectional drawing which shows the state which the slide protector is temporarily fixed to the said case. It is an exploded perspective view of the said slide protector. FIG. 6 is a schematic cross-sectional view taken along the line VII-VII in FIG. It is an enlarged perspective view which shows the main part of the cover of the slide protector in the cross section. (A) is a schematic cross-sectional view showing a state before the cover of the reference example is attached to the protector main body, (b) is a schematic cross-sectional view showing a state before the cover of the above embodiment is attached to the protector main body, and (c) is the same. It is schematic cross-sectional view which shows the state which attached the cover of embodiment to a protector main body. FIG. 3 is an enlarged cross-sectional view of a reference numeral X portion in FIG. It is an exploded perspective view which shows the other example of the slide protector.

Hereinafter, the slide power feeding device according to the embodiment of the present invention will be described in detail with reference to the drawings.

FIG. 1 is a perspective view showing an example of a slide power feeding device according to an embodiment of the present invention. FIG. 2 is an enlarged perspective view of a main part of the slide power feeding device. FIG. 3 is a side view showing a state in which the slide protector is slightly moved with respect to the case of the slide power feeding device. FIG. 4 is a cross-sectional view taken along the line IV-IV in FIG. FIG. 5 is a cross-sectional view showing a state in which the slide protector is temporarily fixed to the case. FIG. 6 is an exploded perspective view of the slide protector. FIG. 7 is a schematic cross-sectional view taken along the line VII-VII in FIG. FIG. 8 is an enlarged perspective view showing a main part of the cover of the slide protector in cross section. FIG. 9A is a schematic cross-sectional view showing a state before the cover of the reference example is attached to the protector main body. FIG. 9B is a schematic cross-sectional view showing a state before the cover of the embodiment is attached to the protector main body. FIG. 9C is a schematic cross-sectional view showing a state in which the cover of the embodiment is attached to the protector main body. FIG. 10 is an enlarged cross-sectional view of the reference numeral X portion in FIG.

As shown in FIGS. 1 and 2, the slide power feeding device 1 is movably supported by a long case 10 made of synthetic resin, a metal rail 20 attached to the outside of the case 10, and the rail 20. It is provided with a slide protector 30 made of synthetic resin.

As shown in FIGS. 1 and 2, the case 10 has a pair of case bodies 11 and 11 having a substantially elliptical plate shape fixed by a locking claw or the like to form a harness accommodating space inside. A corrugated tube 50 through which a wire harness W / H is inserted is housed in the harness storage space in the pair of case bodies 11 and 11 by being bent in a U shape so as to absorb an extra length.

Further, as shown in FIGS. 2 and 3, a pair of upper and lower rail holding portions 13 and 13 having a corrugated outlet (harness outlet) 14 via a harness holder 12 on the front end side of the upper surface 10a of the case 10 Is installed. The pair of upper and lower rail holding portions 13 and 13 are formed of a square tubular upright wall having an opening on one side surface side and a back surface side, and one end portion 22a of the rail 20 is fitted and held inside the upright wall. It has become. Further, since this slide power feeding device 1 uses one wire harness W / H, the corrugated outlet 14 is formed only in the lower rail holding portion 13. The front side of the upper rail holding portion 13 is closed, and a lock portion 15 for temporarily fixing the slide protector 30 is provided at the center of the closed portion 13a on the front side. As shown in FIG. 5, the locking portion 15 is a locking projection piece having a locking projection 15b at the tip of a side surface (part) 15a.

As shown in FIG. 2, the rail 20 has a pair of upper and lower square tubular portions 22 and 22 bent in a substantially square tubular shape with a gap in the upper and lower stages of the connecting piece portion 21 with respect to the connecting piece portion 21. Have. Then, each end portion 22a of the pair of upper and lower square cylinder portions 22 and 22 is fitted into the pair of upper and lower rail holding portions 13 and 13 of the case 10, so that the rail 20 is fitted along the longitudinal direction of the case 10 of the case 10. It is attached at a position away from the upper surface 10a. Then, a rectangular block-shaped slide of the slide protector 30, which will be described later, is performed between the bottom plate portion (support portion) 22b of the upper square cylinder portion 22 of the rail 20 and the top plate portion (support portion) 22c of the lower square cylinder portion 22. The portion 39 is sandwiched and supported.

As shown in FIG. 2, the slide protector 30 is slidably supported by the upper bottom plate portion 22b and the lower top plate portion 22c of the rail 20 along the longitudinal direction of the rail 20 via the sliding portion 39. Then, the corrugated tube 50 is led out to the outside of the case 10. More specifically, as shown in FIGS. 2 and 6, the slide protector 30 includes a protector main body 31 having a box-shaped closing portion 32 in the upper stage, a cover mounting portion 33 in the center, and a corrugated housing portion 34 in the lower stage, and a cover mounting portion. A cover 40 for covering the 33 and the corrugated housing portion 34 is provided. Then, as shown in FIG. 2, the upper box-shaped closing portion 32 is accommodated in the upper square tubular portion 22 of the rail 20. Further, the lower corrugated housing portion 34 is accommodated in the lower square cylinder portion 22 of the rail 20.

As shown in FIGS. 3 to 5, a lock receiving portion 35 that is engaged with and disengaged from the locking projection piece (lock portion) 15 of the case 10 is provided on the front surface 32a of the box-shaped closing portion 32 at the upper stage of the protector main body 31. Has been done. The lock receiving portion 35 is an engaging recess having an engaging projection 35b that is engaged with and disengaged from the locking projection 15b of the locking projection 15 on the opening 35a side. Then, as shown in FIG. 5, before the slide protector 30 leads the corrugated tube 50 to the outside of the case 10, the engaging recess 35 is locked to the locking projection piece 15 to form the case 10. The slide protector 30 is temporarily fixed.

As shown in FIGS. 6 and 7, the cover mounting portion 33 of the protector main body 31 has a pair of mounting pieces 36, 36 for mounting the cover 40. The pair of mounting pieces 36, 36 extend in parallel from the bottom of the upper box-shaped closing portion 32 and the ceiling of the lower corrugated housing portion 34 in a rectangular plate shape and elastically deformable, and the front side thereof is rectangular. It is closed by a plate-shaped closing portion 36a. Further, on the outer surfaces of the pair of mounting pieces 36, 36, locking projections (locking portions) 36b, 36b for locking the cover 40 are provided alternately in the front and rear directions.

As shown in FIGS. 2 and 6, the corrugated housing portion (harness housing portion) 34 of the protector main body 31 is formed in a semi-square tubular shape by the ceiling piece portion 34a and the side piece portions 34b and 34b. On the front side of the inner surface of the ceiling piece 34a and the side pieces 34b, 34b, a semicircular locking rib 37 (shown only in FIG. 11) is locked to the concave portion 51 and the convex portion 52 of the bellows-shaped corrugated tube 50. ) Are formed. Further, on the front end side of the outer surface of both side piece portions 34b, 34b, a locking projection 38 (shown in FIGS. 3 and 11) that is locked to the engaging hole portion 46c of the corrugated cover 46 as a sub cover to be described later is provided. It is integrally projected.

As shown in FIG. 6, the cover 40 has a cover main body 41 that covers the cover mounting portion 33, and a corrugated cover (sub-cover) 46 that covers the corrugated housing portion 34. Further, the cover main body 41 includes a base portion 42 that covers the opening on the rear surface side between the respective portions 32, 33, 34 of the protector main body 31, and a main body portion 43 that covers the opening on the rear surface side of the pair of mounting pieces 36, 36. The side portions of the mounting pieces 36 and 36 of the above are integrally connected to the side portion 44.

As shown in FIGS. 7 and 8, on the upper side of the inner surface of the main body 43 of the cover main body 41, an insertion rib (insertion portion) that is inserted and fitted between the pair of mounting pieces 36, 36 of the protector main body 31. ) 45 are integrally projected vertically. On both sides of each of the insertion ribs 45, inclined portions 45a that come into contact with the inside of each tip of the pair of mounting pieces 36, 36 of the protector main body 31 and widen the gap between the pair of mounting pieces 36, 36 are provided. .. Each of the insertion ribs 45 is guided between the pair of mounting pieces 36, 36 by the inclined portions 45a, 45a on both sides so that the insertion ribs 45 can be smoothly inserted. Further, on the side portion 44 of the cover main body 41, an engaging hole portion (engaging portion) 44a that engages and disengages with the locking projections (locking portion) 36b located alternately in the front and rear of the pair of mounting pieces 36, 36 is front and rear. It is provided in a staggered manner. That is, when the insertion rib 45 is inserted between the pair of mounting pieces 36 and 36 and fitted, the engaging hole portion 44a of the cover body 41 engages with each of the locking projections 36b of the pair of mounting pieces 36 and 36. It is supposed to be stopped.

Then, as shown in FIG. 2, a rectangular block is formed by a pair of mounting pieces 36, 36 of the protector main body 31 of the slide protector 30 and a main body 43 of the cover main body 41 of the cover 40 covering the pair of mounting pieces 36, 36. A sliding portion 39 is formed. The rectangular block-shaped sliding portion 39 is sandwiched and supported between the bottom plate portion 22b of the upper square cylinder portion 22 of the rail 20 and the top plate portion 22c of the lower square cylinder portion 22. By this pinching, the slide protector 30 moves along the longitudinal direction of the rail 20 in conjunction with, for example, a slide sheet (all not shown) movably attached to the floor surface of the vehicle.

As shown in FIGS. 3 and 6, the corrugated cover 46 is formed in a semi-square tubular shape by a bottom piece portion 46a and both side piece portions 46b and 46b which are fitted and covered from the outside in the corrugated housing portion 34. Engagement holes 46c that are engaged with and disengaged from the locking projections 38 of the corrugated housing portion 34 are formed on both sides of the bottom piece portion 46a of the corrugated cover 46 and at the corners of the side piece portions 46b and 46b, respectively.

Further, as shown in FIGS. 6 and 10, the base portion 42 of the cover main body 41 and the bottom piece portion 46a of the corrugated cover 46 are integrally formed via the hinge 47. One end 47a of the hinge 47 is located at the center of the hinge mounting surface (hinge mounting portion) 42d of the base portion 42 of the cover main body 41. The other end 47b of the hinge 47 is located at the inner end of the hinge mounting surface (hinge mounting portion) 46d of the bottom piece portion 46a of the corrugated cover 46.

As shown in FIG. 2, a wire harness W / H formed by bundling a plurality of electric wires is inserted in the corrugated tube 50. One end of the corrugated tube 50 is fixed to the case 10 and is bent and housed in the case 10 in a U shape, and the other end 50b side led out to the outside of the case 10 is fixed to the slide protector 30. ing. The other end 50b side of the corrugated tube 50 (the other end side of the wire harness W / H) is always positioned at the position where the slide sheet movably attached to the floor surface of the vehicle, for example, by the slide protector 30 has moved. It has become. That is, the slide power feeding device 1 can constantly supply power to the auxiliary equipment (all not shown) of the slide sheet via the slide protector 30 that moves in conjunction with the slide sheet.

As described above, according to the slide power feeding device 1 of the present embodiment, as shown in FIG. 5, the locking projection of the locking projection piece 15 is in the stage before the slide protector 30 leads the corrugated tube 50 to the outside of the case 10. The engaging protrusion 35b of the engaging recess 35 is locked to 15b. That is, since the slide protector 30 can be temporarily fixed to the case 10 during the transportation of the slide power feeding device 1 with the rail 20 removed, the corrugated tube 50 through which the wire harness W / H is inserted is the corrugated outlet 14 of the case 10. You can prevent it from jumping out from.

In this way, during transportation, the slide protector 30 moves and the corrugated tube 50 does not pop out from the case 10. Therefore, as in the conventional case, the slide protector 30 is temporarily fixed to the case 10 with tape, or is dedicated to packaging. There is no need to make a packing box and deal with it. Therefore, the cost can be reduced accordingly. Further, since the corrugated tube 50 does not jump out from the case 10 during transportation, even if the corrugated tube 50 is coated with grease, the grease does not drip and adhere to the case 10 and maintain a good product state. be able to.

Further, as shown in FIGS. 6 and 10, the number of parts can be reduced by integrally forming the corrugated cover 46 on the cover main body 41 of the cover 40 via the hinge 47. As a result, the mold cost and the parts cost can be reduced, and the cost can be reduced. Further, by integrally forming the sub corrugated cover 46 with the cover body 41 of the main cover 40 via the hinge 47, it is possible to prevent an assembly error, and positioning of a small part becomes unnecessary, so that the assembly work The sex can be improved.

Further, as shown in FIG. 10, one end 47a of the hinge 47 is positioned at the center of the hinge mounting surface 42d of the base portion 42 of the cover body 41, and the other end 47b of the hinge 47 is located on the bottom piece portion 46a of the corrugated cover 46. It is located at the inner end of the hinge mounting surface 46d. Therefore, when the hinge 47 is bent, the hinge 47 does not come out from the base portion 42 of the cover main body 41 and the bottom piece portion 46a of the corrugated cover 46. That is, since the position of the hinge 47 is inside, it is possible to reliably prevent the bent hinge 47 from hitting the peripheral parts or hitting the peripheral parts and being damaged.

Further, as shown in the reference example of FIG. 9A, when the cover 40 is fitted to the cover mounting portion 33 of the protector main body 31, the pair of mounting pieces 36, 36 of the cover mounting portion 33 fall inward. If this is the case, if the insertion portion 49 of the main body portion 43 of the cover main body 41 is bifurcated, it cannot be fitted smoothly. However, in the present embodiment, as shown in FIGS. 9 (b) and 9 (c), even when the pair of mounting pieces 36, 36 are inwardly tilted due to molding deformation, they are covered between the pair of mounting pieces 36, 36. The insertion ribs 45 of the main body 43 of the main body 41 are smoothly fitted by the inclined portions 45a and 45a on both sides. In this way, even if the pair of mounting pieces 36, 36 are tilted inward due to shape deformation during molding, it is possible to prevent them from fitting in the wrong position, and it is possible to always reliably assemble the parts in the correct position. it can. Therefore, it is possible to prevent the performance of the product from deteriorating. Further, it is possible to eliminate the reassembly work when an assembly error occurs.

FIG. 11 is an exploded perspective view showing another example of the slide protector.

The slide protector 30A of another example has a protector main body 31 having corrugated housing portions 34 and 34 formed on both sides thereof. Further, the base portion 42 of the cover main body 41 of the cover 40 is different from the slide protector 30 of the above embodiment in that the corrugated cover 46 is provided on both sides via the hinges 47, and the other configurations are described above. Similar to form. Therefore, the same components are designated by the same reference numerals and detailed description thereof will be omitted.

In the slide protector 30A of another example, the pair of corrugated covers 46, 46 are integrally formed on both sides of the cover body 41 of the cover 40 via the hinges 47, so that the same operation as that of the slide protector 30 of the above embodiment is obtained.・ Effective.

Although the present embodiment has been described above, the present embodiment is not limited to these, and various modifications can be made within the scope of the gist of the present embodiment.

That is, according to the above embodiment, one corrugated tube is used to pull out the corrugated tube from the corrugated outlet of the lower rail holding portion, but the corrugated tube is also pulled out from the upper rail holding portion. You can do it. In this case, a lock portion for temporarily fixing the slide protector may be provided at a position near the corrugated outlet of the upper rail holding portion.

Further, according to the above-described embodiment, two insertion ribs to be inserted between the pair of mounting pieces of the cover mounting portion are provided on the main body of the cover body, but one insertion rib may be provided. ..

Further, according to the above embodiment, the case is provided with a locking projection piece as a locking portion, and the slide protector is provided with an engaging recess as a locking receiving portion, but the case is provided with a locking recess as a locking portion. The slide protector may be provided with an engaging protrusion as a lock receiving portion.

Further, according to the above embodiment, one end of the hinge is positioned at the center of the hinge mounting portion of the cover body, and the other end of the hinge is positioned inside the hinge mounting portion of the sub cover, but one end of the hinge is positioned at the cover main body. The other end of the hinge may be located in the center of the hinge mounting portion of the sub cover.

1 Slide power supply device 10 Case 15 Locking protrusion (locking part)
15a side (part)
15b Locking protrusion 20 Rail 30, 30A Slide protector 31 Protector body 33 Cover mounting part 34 Corrugated housing part (harness housing part)
35 Engagement recess (lock receiving part)
35a Aperture 35b Engagement protrusion 36, 36 Pair of mounting pieces 36b Locking protrusion (locking part)
40 Cover 41 Cover body 42d Hinge mounting surface (hinge mounting part)
44a Engagement hole (engagement)
45 Insertion rib (insertion part)
45a Inclined part 46 Corrugated cover (sub-cover)
46d Hinge mounting surface (hinge mounting part)
47 Hinge 47a One end 47b The other end 50 Corrugated tube 50a One end 50b The other end W / H wire harness

Claims (3)

A wire harness made by bundling multiple electric wires,
A case that flexibly accommodates the wire harness for extra length and
A slide protector that leads the wire harness to the outside of the case,
With
The slide protector is
A protector body with a cover mounting part and a harness housing part,
A cover that is attached to the cover mounting portion and covers the cover mounting portion and the harness accommodating portion.
With
The cover mounting portion of the protector body has a pair of mounting pieces to which the cover is mounted so as to be elastically deformable.
The cover has an insertion portion that is inserted into the pair of mounting pieces.
The insertion portion of the cover is a slide power feeding device having an inclined portion that hits the tips of the pair of mounting pieces and widens the gap between the pair of mounting pieces. The insertion portion of the cover is composed of an insertion rib.
The inclined portions are provided on both sides of the insertion rib.
When the insertion rib is inserted between the pair of mounting pieces and fitted, the engaging portion provided on the cover is locked to the locking portion provided on the pair of mounting pieces. The slide power supply device according to claim 1. The wire harness is inserted into the corrugated tube and
According to claim 1, one end of the corrugated tube is fixed to the case, the other end is bent and housed in the case in a U shape, and the other end led out to the outside of the case is fixed to the slide protector. The slide power supply device described.

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