JP2024022970A - protector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a protector capable of correcting fall-down of a side wall unit that may occur when a protector body is molded in a case where the protector body is placed on a receiving jig.

SOLUTION: A protector 10 is provided with a protector body 12 having a housing unit 20. The housing unit 20 is formed in a U-shaped cross section having a bottom wall unit 21 and a pair of side wall units 22, 23. At least one of the pair of side wall units 22, 23 is provided with pin receiving units 30, 40 into which jig pins 92, 93 are inserted so as to correct collapse of the side wall units 22, 23 toward a housing unit 20 side and raise the side wall units 22, 23 to a side opposite to the housing unit 20 side. The pin receiving units 30, 40 are disposed on the other surfaces (outer surfaces 22b, 23b) opposite to one surface (inner surfaces 22a, 23a) facing the housing unit 20 in the sidewall units 22, 23. In addition, at least part of the pin receiving units 30, 40 is disposed at a position on a second direction side with respect to one half of a length of the side wall units 22, 23 in an insertion direction.

SELECTED DRAWING: Figure 8

COPYRIGHT: (C)2024,JPO&INPIT

Description

The present invention relates to a protector.

2. Description of the Related Art A large number of wire harnesses in which a plurality of electric wires are bundled are installed inside a vehicle such as an automobile, and protectors for protecting the electric wires are sometimes attached to these wire harnesses. The protector includes a protector main body having a housing portion that accommodates a wire harness, and a cover that is placed over the top of the protector main body (see Patent Document 1). Further, when storing the wire harness in the housing portion of the protector main body, the work may be performed while the protector main body is supported by a receiving jig.

Japanese Patent Application Publication No. 2011-254605

When the protector body is molded from synthetic resin, the pair of side walls that make up the accommodating part will warp and fall toward the accommodating part due to shrinkage due to the temperature drop after molding, resulting in a narrow opening for wire wiring (the gap between the pair of side walls). This may make it difficult to route the wire harness.

The present invention has been made in view of the problems of the prior art. Another object of the present invention is to provide a protector that can correct the collapse of the side wall portion that may occur during molding of the protector body when the protector body is placed on a receiving jig.

A protector according to an aspect of the present invention includes a protector main body having a housing portion that accommodates a wire harness, and the housing portion is formed in a U-shaped cross section and has a bottom wall portion and a pair of side wall portions. A jig pin is attached to at least one of the parts from the first direction side to the second direction side in the insertion direction in order to correct the side wall part from collapsing toward the storage part side and raise the side wall part to the side opposite to the storage part side. A pin receiving part is arranged to be inserted toward the insertion direction, and the pin receiving part is arranged on the other side of the side wall part opposite to the one face facing the accommodating part, and at least a part of the pin receiving part is arranged in the side wall part with respect to the insertion direction. It is arranged at a position closer to the second direction than one-half of the length.

According to the present invention, it is possible to provide a protector that can correct the collapse of the side wall portion that may occur during molding of the protector body when the protector body is placed on a receiving jig.

It is a perspective view showing an example of a protector concerning this embodiment. FIG. 2 is an exploded perspective view of the protector according to the present embodiment. FIG. 3 is a perspective view of the protector main body before it is placed on a receiving jig. FIG. 2 is a perspective view of the protector body placed on a receiving jig. FIG. 2 is a perspective view of the main parts of the protector main body, showing a state before being placed on a receiving jig. FIG. 2 is a perspective view of the main parts of the protector main body, shown in a state where it is placed on a receiving jig. It is a top view of a protector main body. 8 is a cross-sectional view of the protector main body, corresponding to the cross section taken along line AA in FIG. 7, in a state where it is placed on a receiving jig. FIG. 8 is a cross-sectional view of the protector main body corresponding to the cross section taken along the line BB in FIG. 7 when placed on a receiving jig. FIG.

Hereinafter, the protector according to the present embodiment will be described in detail using the drawings. Note that the dimensional ratios in the drawings are exaggerated for convenience of explanation and may differ from the actual ratios.

FIG. 1 is a perspective view of a protector 10 according to one embodiment, and FIG. 2 is an exploded perspective view of the protector 10 according to one embodiment. That is, FIG. 2 shows the cover 13 and the protector main body 12 in a state before being covered with the cover 13 and mounted.

The protector 10 is installed in a vehicle such as an automobile and holds a wire harness 100 routed inside the vehicle. The wire harness 100 is a bundle of multiple electric wires. The shape or structure of the wire harness 100 to be held by the protector 10 is not particularly limited. Note that the wire harness 100 is schematically indicated by a two-dot chain line in FIG. 8, which will be described later.

The protector 10 has lead-out portions 11 at a plurality of locations, and the wire harness 100 is pulled out from these lead-out portions 11. Note that the wire harness 100 pulled out from the lead-out portion 11 of the protector 10 is covered with an exterior member such as a corrugated tube attached to the outer periphery or a tape wrapped around the outer periphery.

The protector 10 includes a protector body 12, also called a protector base, and a cover 13. These protector main body 12 and cover 13 are made of synthetic resin molded by injection molding or the like, for example.

The protector main body 12 has a housing section 20 that accommodates the wire harness 100, and the housing section 20 has a U-shaped cross section and has a bottom wall section 21 and a pair of side wall sections 22 and 23. The cover 13 is placed over the protector main body 12 and closes the accommodating portion 20 of the protector main body 12. A locking pawl 14 is formed on the side wall portions 22 and 23 of the protector body 12, and a locking frame 15 is formed on the edge of the cover 13 to which the locking pawl 14 of the protector body 12 can be locked. The cover 13 is attached to the protector body 12 by placing the cover 13 over the top of the protector body 12 and locking the locking claws 14 to the locking frame 15.

The protector main body 12 has a plurality of fixing parts 60 and 70 fixed to a vehicle panel or the like (not shown). These fixing parts 60, 70 have fixing plate parts 61, 71, respectively, and fixing holes 62, 72 are formed in the fixing plate parts 61, 71, into which fixing members such as bolts are inserted.

The protector body 12 also includes a bracket 80 to which a clip (not shown) is attached, and the bracket 80 is formed with an assembly hole 81 for attaching the clip. The clip to be attached to a vehicle panel or the like is assembled into the assembly hole 81 of the bracket 80 from the right side to the left side in FIG.

3 is a perspective view of the protector main body 12 showing a state before being placed on the receiving jig 90, and FIG. 4 is a perspective view of the protector main body 12 showing a state placed on the receiving jig 90. . 5 is a perspective view of the main parts of the protector main body 12 showing a state before being placed on the receiving jig 90, and FIG. FIG. That is, FIGS. 3 and 5 show the receiving jig 90 and the protector main body 12 in a state before being placed on the receiving jig 90. Note that the protector main body 12 and the receiving jig 90 shown in FIGS. 5 and 6 are shown as viewed from the opposite side to those shown in FIGS. 3 and 4.

FIG. 7 is a plan view of the protector main body 12. FIG. 8 is a sectional view of the protector body 12 including the cross sections of the pin receiving parts 30 and 40 in a state placed on the receiving jig 90. Furthermore, FIG. 9 is a sectional view of the protector main body 12 including a cross section of the pin insertion part 50 in a state placed on the receiving jig 90.

By the way, if the side walls 22 and 23 warp (fall down) as shown by the two-dot chain line in FIG. 8 during the molding of the protector main body 12, ) becomes narrower, making it difficult to route the wire harness 100.

Therefore, in the protector main body 12 and the receiving jig 90 according to the present embodiment, when the protector main body 12 is placed on the receiving jig 90, the side wall portions 22 and 23 that may occur during molding of the protector main body 12, etc. A structure is provided to correct warpage (collapse).

The receiving jig 90 includes a jig plate 91 and three jig pins 92, 93, and 94 protruding from the upper surface of the jig plate 91. Although the jig plate 91 of this embodiment is formed in a rectangular plate shape, it is not limited to this.

On the other hand, the protector body 12 includes a first pin receiving part 30 into which the first jig pin 92 is inserted, a second pin receiving part 40 into which the second jig pin 93 is inserted, and a second pin receiving part 40 into which the second jig pin 93 is inserted. A pin insertion portion 50 into which the third jig pin 94 is inserted is formed (see FIGS. 8 and 9).

Both of the pair of side wall portions 22 and 23 are corrected to prevent the side wall portions 22 and 23 from falling toward the accommodating portion 20 side (inside), so that the side wall portions 22 and 23 are positioned on the opposite side (outside side) from the accommodating portion 20 side. Pin receivers 30 and 40 are arranged to raise the pin. Jig pins 92 and 93 are inserted into these pin receiving parts 30 and 40, respectively, from the first direction side (lower side) to the second direction side (upper side) in the insertion direction.

These pin receiving portions 30 and 40 are provided in the protector main body 12 at locations where the distance between the pair of side wall portions 22 and 23 is narrow. Note that the pin receiving parts 30 and 40 do not necessarily need to be arranged on both of the pair of side walls 22 and 23, and may be arranged on one of the pair of side walls 22 and 23.

The pin receivers 30 and 40 are arranged on the other surfaces (outer surfaces 22b and 23b) of the side walls 22 and 23 that are opposite to the one surface (inner surfaces 22a and 23a) facing the housing section 20. Further, at least a part of the pin receiving parts 30, 40 is arranged at a position on the second direction side (upper side) of half the length (height) of the side wall parts 22, 23 with respect to the insertion direction. .

A general jig pin insertion hole is provided in the bottom wall 21, but if you try to widen the gap between the pair of side walls 22, 23 from the bottom wall 21 side, the gap between the pair of side walls 22, 23 will increase. It's hard to spread. By arranging the pin receiving parts 30, 40 so that at least a part thereof is located on the second direction side (upper side) than half the length (height) of the side wall parts 22, 23 with respect to the insertion direction. , it becomes easier to widen the distance between the pair of side wall portions 22 and 23.

Furthermore, in the present embodiment, the pin receiving parts 30 and 40 are not connected to one surface (inner surface 22a, 23a) of the side walls 22, 23 that faces the accommodating part 20, but to the one surface (inner surface 22a, 23a). It is arranged on the other opposite surface (outer surfaces 22b, 23b). By arranging the pin receiving parts 30, 40 in this way, the jig pins 92, 93 inserted through the pin receiving parts 30, 40 do not interfere with the wire harness 100 being routed, and the jig pins 92 and 93 do not interfere with the wiring of the wire harness 100.

The first pin receiving part 30 arranged on one of the pair of side wall parts 22 and 23 (the right side wall part 22 in FIG. 8) also serves as a bracket 80 to which a clip (not shown) is attached. . After the wire harness 100 is housed in the housing part 20 of the protector body 12, the clip is assembled to the bracket 80, so when housing the wire harness 100 in the housing part 20 of the protector body 12, a jig pin is attached to the pin receiving part 30. It is possible to insert 92.

This first pin receiving part 30 has a cylindrical part 31 formed in a rectangular cylindrical shape having an opening on the first direction side (lower side) in the insertion direction, and the second pin receiving part 30 in the cylindrical part 31 in the insertion direction. The direction side (upper side) is closed by a closing portion 32 . On the other hand, the first jig pin 92 inserted into the first pin receiving part 30 is formed into a prismatic shape.

Note that it is only necessary that the first pin receiving part 30 and the first jig pin 92 can correct the warping (falling down) of the side wall part 22, and the first pin receiving part 30 may have another shape such as a cylindrical shape. may be formed. Further, the first jig pin 92 may be formed in another shape such as a columnar shape in accordance with the shape of the first pin receiving portion 30.

The second pin receiving part 40 disposed on the other of the pair of side wall parts 22 and 23 (the left side wall part 23 in FIG. 8) is arranged in a first direction side (lower side) and a second direction in the insertion direction. It has a cylindrical portion 41 formed in a cylindrical shape having openings on both sides (upper side). On the other hand, the second jig pin 93 inserted into the second pin receiving part 40 is formed in a cylindrical shape.

Note that it is sufficient that the second pin receiving portion 40 and the second jig pin 93 can correct the warping (falling down) of the side wall portion 23, and the second pin receiving portion 40 may be made of other shapes such as a rectangular tube shape. It may be formed into a shape. Further, the second jig pin 93 may be formed in another shape such as a prismatic shape in accordance with the shape of the second pin receiving portion 40.

In addition, in order to facilitate insertion of the second jig pin 93 into the second pin receiving part 40, the part (lower part) on the first direction side in the insertion direction of the second pin receiving part 40 has an inner diameter of the second pin receiving part 40. It is formed so as to become larger from the direction side (upper side) toward the first direction side (lower side) (see FIG. 8).

The pin insertion portion 50 is disposed at the bent portion 16 of the protector body 12, and a cylindrical rib 51 is provided on one surface (inner surface 23a) of the side wall portion 23 forming the bent portion 16 facing the accommodating portion 20. is formed. In this embodiment, the pin insertion part 50 includes a bottom hole 52 formed in the bottom wall 21 and a slit 53 formed in the side wall 23 continuously from the bottom hole 52. . The tip (upper end) of the third jig pin 94 is inserted through the bottom hole 52 provided in the bottom wall 21 and the slit 53 provided in the side wall 23. (See Figures 6 and 9).

When housing the wire harness 100 in the housing portion 20 of the protector body 12, the receiving jig 90 is placed at a predetermined position on the workbench, and the work is performed with the protector body 12 placed on the receiving jig 90.

At this time, the jig pins 92 and 93 are inserted into the pin receiving parts 30 and 40 arranged on the pair of side wall parts 22 and 23, respectively, and the jig pin 94 is inserted into the pin insertion part 50 arranged on the side wall part 23. Then, the protector main body 12 is placed on the receiving jig 90.

When the protector main body 12 is placed on the receiving jig 90, the warpage (collapse) of the side walls 22, 23 is corrected by the pin receiving parts 30, 40 and the jig pins 92, 93, and the frontage of the electric wire wiring ( The distance between the pair of side walls 22 and 23) becomes appropriate. Therefore, the work of routing the wire harness 100 becomes easier.

Next, the effects of the protector 10 will be explained.

The protector 10 according to the first aspect of the present embodiment includes a protector main body 12 having a housing part 20 for housing a wire harness 100, and the housing part 20 has a bottom wall part 21, a pair of side walls 22, 23, and a bottom wall part 21. It is formed into a U-shaped cross section. Jig pins 92 and 93 are provided on at least one of the pair of side walls 22 and 23 from the first direction side to the second direction side in the insertion direction in order to correct the collapse of the side walls 22 and 23 toward the housing section 20 side. Pin receiving portions 30 and 40 are arranged to be inserted toward the terminal. The pin receiving portions 30, 40 are arranged on the other side of the side wall portions 22, 23 opposite to the one side facing the housing portion 20, and at least a portion of the pin receiving portions 30, 40 corresponds to the length of the side wall portions 22, 23 with respect to the insertion direction. It is arranged at a position closer to the second direction than one-half.

By arranging the pin receiving parts 30, 40 so that at least a part thereof is located on the second direction side (upper side) than half the length (height) of the side wall parts 22, 23 with respect to the insertion direction. , it becomes easier to widen the distance between the pair of side wall portions 22 and 23.

By arranging the pin receiving parts 30, 40 on the other side (outer side 22b, 23b) opposite to the one side (inner side 22a, 23a) facing the housing part 20 in the side walls 22, 23, the pin receiver 30, 40 can be inserted. The jig pins 92 and 93 do not interfere with the wire harness 100 being routed.

As described above, according to the present embodiment, when the protector body 12 is placed on the receiving jig 90, it is possible to correct the collapse of the side wall portions 22 and 23 that may occur during molding of the protector body 12. It is possible to provide a protector 10 that can.

In the protector 10 according to the second aspect of the present embodiment, the pin receiving parts 30 and 40 are provided on both of the pair of side wall parts 22 and 23, respectively.

By providing the pin receiving parts 30 and 40 on both of the pair of side wall parts 22 and 23, it is possible to correct the warping (falling down) of both of the pair of side wall parts 22 and 23. It becomes possible to secure a wider interval between the two.

In the protector 10 according to the third aspect of the present embodiment, the pin receiving parts 30 and 40 are formed in a cylindrical shape having an opening at least on the first direction side of the insertion direction.

Since the pin receiving parts 30 and 40 have the cylindrical parts 31 and 41, respectively, it is possible to suppress the jig pins 92 and 93 inserted into the cylindrical parts 31 and 41 of the pin receiving parts 30 and 40 from coming out. This makes it easier to widen the distance between the pair of side wall portions 22 and 23.

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

10 protector 12 protector main body 20 storage part 21 bottom wall part 22 side wall part 22a inner surface 22b outer surface 23 side wall 23a inner surface 23b outer surface 30 pin receiving part 40 pin receiving part 92 jig pin 93 jig pin 100 wire harness

Claims (3)

A protector body includes a housing portion for housing a wire harness,
The accommodating portion is formed in a U-shaped cross section and has a bottom wall portion and a pair of side wall portions,
A jig pin is attached to at least one of the pair of side walls in order to correct the collapse of the side wall toward the accommodating part and raise the side wall to the side opposite to the accommodating part. A pin receiving portion is arranged to be inserted from the first direction side toward the second direction side,
The pin receiving portion is disposed on the other side of the side wall portion opposite to the one side facing the accommodating portion, and at least a portion thereof is longer than half the length of the side wall portion in the insertion direction. is also arranged at a position on the second direction side,
protector. The protector according to claim 1, wherein the pin receiving portions are provided on both of the pair of side wall portions. The protector according to claim 1 or 2, wherein the pin receiving portion is formed in a cylindrical shape having an opening at least on the first direction side of the insertion direction.

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