Wire harness holding structure

Abstract

To provide a wire harness retaining structure that is easy to operate to retain a wire harness and unlikely to dislodge the retained wire harness.SOLUTION: The wiring harness retaining structure includes a first retaining projection 1, a second extending part 21, a second locking claw 22, and a wiring harness. The first retaining projection 1 includes an extending part 11 and a first locking claw 12. The first extending part 11 is elastically bendable in the direction of approaching and separating from the second extending part 21. One or a plurality of tip convex parts 26 is formed on at least one of the first locking claw 12 and the second locking claw 22. The tip convex parts 26 restrict a straight wiring harness in an X direction from passing between the first locking claw 12 and the second locking claw 22 in a Z direction.SELECTED DRAWING: Figure 6

Description

[Technical field]

[0001] The present invention relates to a wire harness holding structure. [Background technology]

[0002] For example, a door mirror of a vehicle includes electrical components such as a mirror angle adjustment unit and an electric storage unit. A wire harness is connected to these electrical components. The wire harness is, for example, a power supply line, a signal line, etc. connected to the electrical components. The wire harness is held, for example, by a holder having a hook inside the door mirror (see, for example, Patent Documents 1 to 3). [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2016-55754 A [Patent Document 2] Japanese Patent Application Publication No. 9-254722 [Patent Document 3] Japanese Patent Application Publication No. 5-226008 Summary of the Invention [Problem to be solved by the invention]

[0004] However, in the above-mentioned wire harness holding structure, the wire harness may easily come off the holder, and since there is a large resistance when pushing the wire harness into the holder, it may not be easy to hold the wire harness in the holder.

[0005] An object of one aspect of the present invention is to provide a wire harness holding structure that allows an easy operation for holding a wire harness and prevents the held wire harness from coming off. [Means for solving the problem]

[0006] One aspect of the present invention is a wire harness holding structure comprising a holding projection having an extension extending from a base surface and a first locking claw protruding from the extension, an opposing base facing the extension, a second locking claw protruding from the opposing base, and a wire harness held between the holding projection and the opposing base, wherein the extension is elastically bendable and deformable in a direction approaching and moving away from the opposing base, the first locking claw and the second locking claw are formed to protrude in a direction approaching each other, and the first locking claw and the second locking claw, one or more tip protrusions are formed on at least one of the first locking claw and the second locking claw, the direction in which the extension portion and the opposing base are aligned is defined as a first direction, a direction perpendicular to the first direction and along the extension portion as viewed from the first direction is defined as a second direction, and a direction perpendicular to the first direction and the second direction is defined as a third direction, and the tip protrusions restrict the wire harness, which is linear and extends along the third direction, from passing between the first locking claw and the second locking claw in the second direction.

[0007] According to the wire harness holding structure, the tip convex portion prevents the straight wire harness along the third direction from passing between the first and second locking claws, so that the wire harness held by the holding protrusion is unlikely to come off the holding protrusion. Therefore, the wire harness can be stably held. In the wire harness holding structure, if the wire harness is given an appropriate bending shape to avoid the tip convex portion, it can pass through the gap between the locking claws. Therefore, the operation of holding the wire harness in the holding protrusion is easy.

[0008] In the wire harness holding structure, when the first and second locking claws are farthest apart, they face each other through a gap, and it is preferable that the gap is shaped so that the straight wire harness along the third direction is prevented from passing in the second direction by the tip convex portion, while allowing the wire harness bent according to the tip convex portion to pass through.

[0009] According to the wire harness holding structure, the pair of locking claws form a gap shaped such that a linear wire harness along the third direction cannot pass through. Therefore, the wire harness held by the holding protrusion is unlikely to come off the holding protrusion. Thus, the wire harness can be stably held. In the wire harness holding structure, if an appropriate bending shape is given, the wire harness can pass through the gap between the locking claws. Therefore, the operation of holding the wire harness in the holding protrusion is easy.

[0010] It is preferable that, when viewed from the second direction, the gap has a curved shape having a main passage along the third direction and an inclined passage formed between the tip convex portion of one of the first and second locking claws and the other locking claw, and inclined with respect to the third direction.

[0011] According to this configuration, the straight wire harness is less likely to pass through the gap. Therefore, the wire harness is less likely to come off the retaining protrusion. Therefore, the wire harness can be stably held. According to the above configuration, the wire harness is given a simple bending shape according to the main passage and the inclined passage, so that the wire harness can pass through the gap between the locking claws. Therefore, the operation of holding the wire harness on the retaining protrusion is easy.

[0012] It is preferable that at least a part of the tip protrusion of one of the first and second locking claws is formed at a position shifted in the third direction with respect to the other locking claw when viewed from the first direction. According to this configuration, a passage can be secured between the locking claw and the tip protrusion, which makes it easier to hold the wire harness on the holding projection.

[0013] It is preferable that the introduction surface of at least one of the first and second locking claws, which is the surface opposite to the surface facing the base surface, is inclined so as to approach the base surface in the direction approaching the other locking claw. According to this configuration, the wire harness can be guided into the gap between the pair of locking claws along the inclination of the introduction surface.

[0014] It is preferable that a plurality of the tip protrusions are formed at intervals in the third direction on only one of the first locking claw and the second locking claw. According to this configuration, the gap between the pair of locking claws has a shape that is bent at multiple points, so that the wire harness held by the holding protrusion is unlikely to come off, and therefore the wire harness can be stably held. Effect of the Invention

[0015] According to one aspect of the present invention, it is possible to provide a wire harness holding structure that allows an easy operation for holding a wire harness and prevents the held wire harness from coming off. [Brief description of the drawings]

[0016] [Figure 1] 1 is a plan view of an internal structure of a door mirror equipped with a wire harness holding structure of a first embodiment. [Diagram 2] 1 is a perspective view of an internal structure of a door mirror equipped with a wire harness holding structure of a first embodiment. FIG. [Diagram 3] 1 is an enlarged perspective view of an internal structure of a door mirror equipped with a wire harness holding structure of a first embodiment. FIG. [Figure 4] 1 is a perspective view of a wire harness holding structure according to a first embodiment; [Diagram 5] FIG. [Figure 6] FIG. [Figure 7] FIG. [Figure 8] 8 is a cross-sectional view taken along CC in FIG. 7 . [Figure 9] 13 is a plan view of the holding projection when the locking claw is in the most distant position. FIG. [Figure 10] 1 is a plan view of a wire harness holding structure according to a first embodiment. FIG. [Figure 11] 1 is a plan view of a wire harness holding structure according to a first embodiment. FIG. [Figure 12]FIG. 11 is a perspective view of a wire harness holding structure according to a second embodiment. [Figure 13] FIG. [Figure 14] FIG. [Figure 15] FIG. [Figure 16] 16 is a cross-sectional view taken along the line AA in FIG. 15. [Figure 17] 16 is a cross-sectional view of FIG. 15 taken along line B-B. [Figure 18] 13 is a plan view of the holding projection when the locking claw is in the most distant position. FIG. [Figure 19] FIG. 11 is a plan view of a wire harness holding structure according to a second embodiment. [Figure 20] FIG. 11 is a plan view of a wire harness holding structure according to a second embodiment. [Figure 21] FIG. 13 is a plan view of a holding projection of the wire harness holding structure of the third embodiment. [Figure 22] FIG. 13 is a plan view of a holding projection of the wire harness holding structure of the fourth embodiment. [Diagram 23] FIG. 13 is a perspective view of a holding projection of a wire harness holding structure of a fifth embodiment. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0017] Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

[0018] [Wire harness holding structure] (First embodiment) Fig. 1 is a plan view of the internal structure of a door mirror 100 equipped with a wire harness holding structure 10 of the first embodiment. Fig. 2 is a perspective view of the internal structure of the door mirror 100. Fig. 3 is an enlarged perspective view of the internal structure of the door mirror 100. Fig. 4 is a perspective view of the wire harness holding structure 10. Figs. 5 and 6 are perspective views of holding protrusions 1 and 2. Fig. 7 is a plan view of the holding protrusions 1 and 2. Fig. 8 is a cross-sectional view taken along CC in Fig. 7.

[0019] The positional relationship of each component is provisionally defined according to Fig. 1. In Fig. 1, the direction toward the viewer relative to the paper surface is defined as "upper". The direction toward the viewer relative to the paper surface is defined as "lower". Note that the positional relationship defined here does not limit the orientation of the door mirror 100 when in use.

[0020] As shown in FIG. 2, the door mirror 100 includes a mirror housing 501, an electric storage unit 502, electronic components 103, a holder 104, and a wire harness holding structure 10.

[0021] As shown in FIG. 1 and FIG. 2, the mirror housing 501 includes a housing main body 105 and a housing cover (not shown). The housing main body 105 includes a substrate portion 106, a side plate portion 107, a base portion 108, and a clamp portion 109. The substrate portion 106 is formed in a generally flat plate shape. The upper surface of the substrate portion 106 is a base surface 106a. An opening 510 is formed in the center of the substrate portion 106. A peripheral wall 511 is erected on the periphery of the opening 510. The upper edge of the peripheral wall 511 is located higher than the lower surfaces of the locking claws 12, 22 (described later) of the holding projections 1, 2. The side plate portion 107 extends downward from the periphery of the substrate portion 106.

[0022] 3, the base portion 108 protrudes upward from the base surface 106a. The base portion 108 includes a rectangular top plate 521 and a rectangular cylindrical side plate 522. The side plate 522 extends downward from the periphery of the top plate 521. The clamp portion 109 includes a pair of clamp pieces 523. The clamp portion 109 is provided on the upper surface of the top plate 521 of the base portion 108. The mirror housing 501 is formed of, for example, resin.

[0023] A mirror angle adjustment unit (not shown) and a mirror body (not shown) are provided on the lower surface side of the substrate portion 106 of the housing body 105. The housing cover covers the housing body 105 from above.

[0024] As shown in FIG. 2, the electric storage unit 502 is provided on the base surface 106a of the substrate portion 106. The electric storage unit 502 includes a shaft, a motor (not shown), and the like. A part of the electric storage unit 502 rotates around the axis of the shaft by being driven by the motor. A passage (not shown) through which the wire harness 3 is wired is formed inside the electric storage unit 502. The electric storage unit 502 is formed with an extraction hole 502a for extracting the wire harness 3 from the passage. The extraction hole 502a is located at a position higher than the lower surfaces of the locking claws 12, 22 (described later) of the holding protrusions 1, 2.

[0025] 3, the electronic component 103 is, for example, an imaging device such as a camera. The electronic component 103 is clamped by a clamp piece 523 of the clamp portion 109. The electronic component 103 is located higher than the lower surfaces of the locking claws 12 and 22 (described later) of the holding protrusions 1 and 2. The holder 104 includes a holding piece 524. The holding piece 524 holds the wire harness 3B.

[0026] 3 and 4, the wire harness holding structure 10 includes a pair of holding projections 1 and 2 and a wire harness 3. The wire harness holding structure 10 is a structure that holds the wire harness 3 between the first holding projection 1 and the second holding projection 2.

[0027] The wire harness 3 is a linear body (power supply line, signal line, etc.) connected to electrical equipment provided in the door mirror 100. The wire harness 3 is formed by bundling a plurality of wires together. The cross section of the wire harness 3 perpendicular to the longitudinal direction is circular. Examples of electrical equipment to which the wire harness 3 is connected include electronic components 103 and a mirror angle adjustment unit. The wire harness 3 is pulled out from the pull-out hole 502a of the electric storage unit 502 and wired on the board portion 106. The wire harness 3 includes a wire harness 3A and a wire harness 3B. The wire harness 3A is connected to the electronic components 103. The wire harness 3B is connected to a connector connected to the mirror angle adjustment unit.

[0028] The structure of the holding protrusions 1, 2 will be described in detail with reference to Figs. 5 to 9. As shown in Figs. 5 and 6, one of the pair of holding protrusions 1, 2 is referred to as a first holding protrusion 1. The other of the pair of holding protrusions 1, 2 is referred to as a second holding protrusion 2. The holding protrusions 1, 2 are formed to protrude from a base surface 106a of the substrate portion 106. The holding protrusions 1, 2 are formed facing each other. The holding protrusions 1, 2 are formed of, for example, resin. The holding protrusions 1, 2 are formed integrally with the substrate portion 106, for example.

[0029] In the following description, an XYZ orthogonal coordinate system may be used. The Y direction (first direction) is the arrangement direction of the first extension portion 11 and the second extension portion 21. The Y direction is parallel to the base surface 106a. The Y direction is the direction that connects the first extension portion 11 and the second extension portion 21 at the shortest distance. The Z direction (second direction) is a direction perpendicular to the Y direction and is the average extension direction of the first extension portion 11 and the second extension portion 21. The Z direction is a direction perpendicular to the base surface 106a. The X direction (third direction) is a direction perpendicular to the Y direction and the Z direction. The X direction is a direction parallel to the base surface 106a. Viewing from the Z direction is called planar view.

[0030] The right side in Fig. 7 is one direction in the X direction (+X direction). The left side in Fig. 7 is the direction opposite to the +X direction (-X direction). The top in Fig. 7 is one direction in the Y direction (+Y direction). The bottom in Fig. 7 is the direction opposite to the +Y direction (-Y direction). The front direction with respect to the paper surface in Fig. 7 is one direction in the Z direction (+Z direction). The depth direction with respect to the paper surface in Fig. 7 is the direction opposite to the +Z direction (-Z direction).

[0031] As shown in FIG. 5, the first holding projection 1 includes a first extending portion 11 and a first locking claw 12. The first extending portion 11 and the first locking claw 12 are arranged in a substantially rectangular shape. The first extension portion 11 extends upward (or approximately upward) from the base surface 106a. The extension direction of the first extension portion 11 may be a direction perpendicular to the base surface 106a (Z direction), or may be a direction slightly inclined relative to the Z direction so as to approach the second extension portion 21. When the first extension portion 11 and the second extension portion 21 (described later) extend at an incline in a direction approaching each other, the average direction (average extension direction) of the extension directions of the first extension portion 11 and the second extension portion 21 is a direction perpendicular to the base surface 106a (Z direction). The surface of the first extension portion 11 facing the second extension portion 21 is called the inner surface 11a.

[0032] The first extending portion 11 is, for example, in the shape of a long plate with its thickness direction facing the Y direction. The first extending portion 11 is elastically bendable and deformable in a direction approaching and moving away from the second extending portion 21. Due to the bending deformation (flexural deformation) of the first extending portion 11, the tip of the first extending portion 11 approaches and moves away from the tip of the second extending portion 21 (see FIG. 8).

[0033] The first locking claw 12 protrudes from the inner surface 11a of the upper part of the first extension part 11 in a direction approaching the second locking claw 22. The first locking claw 12 includes a locking claw main part 13 and one extension claw part 14. The locking claw main part 13 protrudes from the inner surface 11a of the upper part of the first extension part 11 in a direction approaching the second locking claw 22. The locking claw main part 13 is wedge-shaped with a height dimension (dimension in the Z direction) gradually decreasing in the protruding direction. The YZ cross section (cross section along the Y and Z directions) of the locking claw main part 13 is triangular.

[0034] As shown in Fig. 8, the introduction surface 13a of the locking claw main part 13 is an inclined surface that gradually descends toward the protruding direction of the locking claw main part 13 (the direction approaching the second locking claw 22). The inclination direction of the introduction surface 13a is a direction gradually approaching the base surface 106a (see Fig. 5) toward the protruding direction of the locking claw main part 13. The introduction surface 13a is the surface opposite to the lower surface 13b.

[0035] The lower surface 13b is a surface (opposing surface) facing the base surface 106a (see FIG. 5). The lower surface 13b is an inclined surface that gradually descends toward the protruding direction of the locking claw main part 13 (the direction approaching the second locking claw 22). The inclination angle of the lower surface 13b with respect to the base surface 106a is smaller than the inclination angle of the introduction surface 13a with respect to the base surface 106a. Therefore, the introduction surface 13a and the lower surface 13b gradually approach each other in the protruding direction of the locking claw main part 13. 7, the locking claw main portion 13 has a rectangular shape in a plan view. A tip edge 13c of the locking claw main portion 13 is aligned along the X direction.

[0036] The extension claw portion 14 is provided on one side of the locking claw main portion 13. The extension claw portion 14 is triangular when viewed from the side (X direction). A first edge 14a of the extension claw portion 14 is inclined so as to gradually descend toward the protruding direction of the first locking claw 12 (the direction approaching the second locking claw 22). The first edge 14a corresponds to the hypotenuse of the triangular extension claw portion 14.

[0037] As shown in FIG. 5, the portion including the first edge 14a is a rib-like protrusion 15 that protrudes in a direction perpendicular to the introduction surface 13a (diagonally upward) with respect to the introduction surface 13a of the locking claw main part 13. The rib-like protrusion 15 extends over the entire length of the first edge 14a. The cross-sectional shape of the rib-like protrusion 15 (the shape of a cross section perpendicular to the length direction of the rib-like protrusion 15) is, for example, a curved convex shape (for example, a circular arc shape). The rib-like protrusion 15 is formed with an inclination that gradually descends toward the protruding direction of the first locking claw 12. Therefore, the surface 15a of the rib-like protrusion 15 is inclined so as to gradually descend toward the protruding direction of the first locking claw 12.

[0038] 7, the introduction surface 13a of the locking claw main portion 13 and the surface 15a of the rib-shaped projection 15 are collectively referred to as the "introduction surface 12a." The introduction surface 12a is inclined so as to gradually descend toward the protruding direction of the second locking claw 12.

[0039] The tip portion of the extension claw portion 14 in the protruding direction protrudes from the tip edge 13c of the locking claw main portion 13 in a plan view. The tip portion of the extension claw portion 14 is called the tip convex portion 16. The protruding direction of the tip convex portion 16 may be a direction perpendicular to the tip edge 13c (+Y direction). The tip convex portion 16 includes the bottom portion of the rib-like protrusion 15. The shape of the tip convex portion 16 in a plan view is, for example, a curved convex shape.

[0040] 6, the second holding projection 2 includes a second extending portion (opposing base) 21 and a second locking claw 22. The second extending portion 21 extends upward (or substantially upward) from the base surface 106a. The extending direction of the second extending portion 21 may be a direction perpendicular to the base surface 106a (Z direction), or may be a direction slightly inclined with respect to the Z direction so as to approach the first extending portion 11. The surface of the second extending portion 21 facing the first extending portion 11 is referred to as an inner surface 21a.

[0041] The second extending portion 21 is, for example, in the shape of a long plate with its thickness direction facing the Y direction. The second extending portion 21 is elastically bendable in a direction toward and away from the first extending portion 11 (see FIG. 8). The bending deformation (flexural deformation) of the second extending portion 21 causes the tip of the second extending portion 21 to approach and move away from the tip of the first extending portion 11.

[0042] The second locking claw 22 faces the first locking claw 12. The second locking claw 22 protrudes from the inner surface 21a of the upper part of the second extension part 21 in a direction approaching the first locking claw 12. The width (dimension in the X direction) of the second locking claw 22 is approximately equal to the width of the upper part of the second extension part 21. The second locking claw 22 includes a locking claw main part 23 and two extension claw parts 24. The locking claw main part 23 protrudes from the inner surface 21a of the upper part of the second extension part 21 in a direction approaching the first locking claw 12. The locking claw main part 23 is wedge-shaped with a height dimension (dimension in the Z direction) gradually decreasing in the protruding direction. The YZ cross section (cross section along the Y and Z directions) of the locking claw main part 23 is triangular.

[0043] As shown in Fig. 8, the introduction surface 23a of the locking claw main part 23 is an inclined surface that gradually descends toward the protruding direction of the locking claw main part 23 (the direction approaching the first locking claw 12). The inclination direction of the introduction surface 23a is a direction gradually approaching the base surface 106a (see Fig. 6) toward the protruding direction of the locking claw main part 23. The introduction surface 23a is the surface opposite to the lower surface 23b.

[0044] The lower surface 23b is a surface (opposing surface) facing the base surface 106a (see FIG. 6). The lower surface 23b is an inclined surface that gradually descends toward the protruding direction of the locking claw main part 23 (the direction approaching the first locking claw 12). The inclination angle of the lower surface 23b with respect to the base surface 106a is smaller than the inclination angle of the introduction surface 23a with respect to the base surface 106a. Therefore, the introduction surface 23a and the lower surface 23b gradually approach each other in the protruding direction of the locking claw main part 23.

[0045] 7, the locking claw main part 23 is rectangular in plan view. A tip edge 23c of the locking claw main part 23 is aligned along the X direction. The width (dimension in the X direction) of the locking claw main part 23 is approximately the same as or slightly smaller than the width of the first locking claw 12. The locking claw main part 23 is positioned opposite the first locking claw 12 in the Y direction.

[0046] The two expansion claw portions 24 are provided on one and the other side portions of the locking claw main portion 23, respectively. At least a portion of the expansion claw portion 24 is positioned outwardly shifted relative to the first locking claw 12. Due to the existence of the expansion claw portion 24, the width of the second locking claw 22 is greater than the width of the first locking claw 12.

[0047] As shown in FIG. 5 and FIG. 6, the expansion claw portion 24 is triangular when viewed from the side (X direction). The first edge 24a of the expansion claw portion 24 is inclined so as to gradually descend toward the protruding direction of the second locking claw 22 (the direction approaching the first locking claw 12). The first edge 24a corresponds to the hypotenuse of the triangular expansion claw portion 24. The second edge 24b of the expansion claw portion 24 overlaps with the lower surface 23b of the locking claw main portion 23 when viewed from the side (X direction) (see FIG. 8). The second edge 24b corresponds to the lower side (adjacent side) of the triangular expansion claw portion 24. The third edge 24c of the expansion claw portion 24 is along the inner surface 21a of the second extension portion 21 when viewed from the side (X direction) (see FIG. 6). The third edge 24c corresponds to the opposite side of the triangular expansion claw portion 24.

[0048] As shown in FIG. 6, the portion including the first edge 24a is a rib-like projection 25 that projects in a direction perpendicular to the introduction surface 23a (diagonally upward) with respect to the introduction surface 23a of the locking claw main portion 23. The rib-like projection 25 extends over the entire length of the first edge 24a. The cross-sectional shape of the rib-like projection 25 (the shape of a cross section perpendicular to the length direction of the rib-like projection 25) is, for example, a curved convex shape (for example, a circular arc shape). The rib-like projection 25 is formed with an inclination so as to gradually descend toward the protruding direction of the second locking claw 22. Therefore, the surface 25a (see FIG. 7) of the rib-like projection 25 is inclined so as to gradually descend toward the protruding direction of the second locking claw 22.

[0049] 7, the introduction surface 23a of the locking claw main portion 23 and the surface 25a of the rib-shaped projection 25 are collectively referred to as the "introduction surface 22a." The introduction surface 22a is inclined so as to gradually descend toward the protruding direction of the second locking claw 22. The introduction surface 22a is the surface opposite to the lower surface 23b.

[0050] The tip portion of the extension claw portion 24 in the protruding direction protrudes relative to the tip edge 23c of the locking claw main portion 23 in a plan view. The tip portion of the extension claw portion 24 is called the tip convex portion 26. The protruding direction of the tip convex portion 26 may be a direction perpendicular to the tip edge 23c (-Y direction). The tip convex portion 26 includes the bottom portion of the rib-shaped projection 25. The height position of the tip convex portion 26 is approximately the same as the height position of the tip of the first locking claw 12.

[0051] The shape of the tip protrusion 26 in plan view is, for example, a curved convex shape. Most of the area of ​​the inner side surface 26a of the tip protrusion 26 is an inclined surface inclined with respect to the tip edge 23c. More specifically, most of the area of ​​the inner side surface 26a is an inclined surface that transitions in the -Y direction as it moves outward (the direction in which the two tip protrusions 26 move away from each other). At least a part of the inner side surface 26a may be a curved shape in plan view in which the inclination angle with respect to the tip edge 23c of the locking claw main part 23 decreases as it moves away from the tip edge 23c.

[0052] The inner surface of the tip convex portion may be linearly inclined with respect to the X direction in plan view. That is, the inner surface of the tip convex portion may be an inclined surface that is linearly inclined so as to transition to the -Y direction as it goes outward (in the direction away from the two tip convex portions).

[0053] Since the tip protrusion 26 is a part of the expansion claw portion 24, at least a part of the tip protrusion 26 is shifted in the X direction relative to the first locking claw 12 when viewed from the Y direction. More specifically, at least a part of the tip protrusion 26 is shifted outward (in the direction in which the two tip protrusions 26 move away from each other) relative to the first locking claw 12 when viewed from the Y direction. Therefore, the inner surface 26a of the tip protrusion 26 is positioned to face the locking claw main portion 13 or the tip protrusion 16. Note that only a part of the tip protrusion may be shifted in the X direction relative to the first locking claw when viewed from the Y direction, or the entire tip protrusion may be shifted in the X direction relative to the first locking claw.

[0054] The tip convex portion 26 of one expansion claw portion 24 and the tip convex portion 26 of the other expansion claw portion 24 are separated in the width direction (X direction) of the second locking claw 22 via the tip edge 23c of the locking claw main portion 23.

[0055] As shown in FIG. 8, the first locking claw 12 and the second locking claw 22 can be switched between a normal position P1 shown by a solid line and a most distant position P2 shown by a virtual line by bending deformation (flexural deformation) of the first extending portion 11 and the second extending portion 21. The normal position P1 is the position of the locking claws 12, 22 when the first extending portion 11 and the second extending portion 21 are not deformed (i.e., not deformed). The most distant position P2 is the position of the locking claws 12, 22 when the first extending portion 11 and the second extending portion 21 are most greatly bent (flexural deformation) in a direction away from each other. The most distant position P2 is the position of the locking claws 12, 22 when the first locking claw 12 and the second locking claw 22 are the most distant from each other.

[0056] The farthest position P2 is, for example, the position of the locking claws 12, 22 farthest apart within a range where no change in bending characteristics or abnormal appearance occurs in the first extension portion 11 and the second extension portion 21 when the first extension portion 11 and the second extension portion 21 are bent in a direction away from each other. The change in bending characteristics is, for example, the occurrence of plastic deformation. The abnormal appearance is, for example, whitening. The start of plastic deformation may be the yield point of stress measured by a method conforming to JIS K7171 (2016).

[0057] Fig. 9 is a plan view of the holding projections 1, 2 when the locking claws 12, 22 are at the farthest position P2. As shown in Fig. 9, at the farthest position P2, the first locking claw 12 and the second locking claw 22 face each other with a gap therebetween. At the farthest position P2, the inner surface 26a of one tip protrusion 26 faces the locking claw main portion 13. The inner surface 26a of the other tip protrusion 26 faces the tip protrusion 16.

[0058] The gap between the first locking claw 12 and the second locking claw 22 has a main passage 31 and two inclined passages 32 in a plan view. The main passage 31 is a passage formed between the first locking claw 12 and the tip edge 23c of the locking claw main portion 23 of the second locking claw 22. The main passage 31 is formed roughly along the X direction. The two inclined passages 32 are passages extending from one end and the other end of the main passage 31, respectively. Of the two inclined passages 32, the first inclined passage 32A is a passage formed between the first locking claw 12 and the inner surface 26a of one of the tip convex portions 26. Of the two inclined passages 32, the second inclined passage 32B is a passage formed between the tip convex portion 16 and the inner surface 26a of the other tip convex portion 26.

[0059] As described above, the inner surface 26a of the tip protrusion 26 has an inclined surface inclined with respect to the tip edge 23c in plan view. This inclined surface is inclined in a direction that transitions to the -Y direction (diagonally downward in FIG. 9) as it moves outward (the direction in which the two tip protrusions 26 move away from each other). Therefore, at least a portion of the inclined passage 32 is inclined in a direction that transitions to the -Y direction (diagonally downward in FIG. 9) as it moves outward. This direction is a direction that is inclined with respect to the main passage 31. Therefore, the gap between the first locking claw 12 and the second locking claw 22 has a bent shape that is bent at both ends of the main passage 31 in plan view.

[0060] "g" is the distance in the Y direction between the tip convex portion 16 and the tip convex portion 26 when the locking claws 12, 22 are at the farthest position P2. "g" is the distance between the tip convex portion 16 and the tip convex portion 26 when viewed from the side (X direction). It is preferable that "g" satisfies the following formula (1). g < d (1)

[0061] The establishment of formula (1) means that the distance "g" in the Y direction between the tip convex portion 16 and the tip convex portion 26 at the farthest position P2 is less than the outer diameter of the wire harness 3. Therefore, the gap between the first locking claw 12 and the second locking claw 22 has a shape that allows the tip convex portion 26 to restrict the linear wire harness 3 along the X direction from passing through in the Z direction.

[0062] "h" is the distance in the Y direction between the tip convex portion 16 and the locking claw main portion 23 when the locking claws 12, 22 are at the farthest position P2. "h" corresponds to the width of the main passage 31. It is preferable that "h" satisfies the following formula (2). h ≧ d (2)

[0063] Establishment of formula (2) means that the width "h" of the main passage 31 is equal to or larger than the outer diameter of the wire harness 3. Therefore, the wire harness 3 can pass through the main passage 31 in the Z direction.

[0064] "i" is the shortest distance between the tip convex portion 16 and the tip convex portion 26 when the locking claws 12, 22 are at the farthest position P2. The distance "i" corresponds to the width of the inclined passage 32 (the second inclined passage 32B). It is preferable that the distance "i" satisfies the following formula (3). i ≧ d (3)

[0065] Establishment of formula (3) means that the width "i" of the inclined passage 32 is equal to or larger than the outer diameter of the wire harness 3. Therefore, the wire harness 3 can pass through the inclined passage 32 in the Z direction.

[0066] When formula (1), formula (2), and formula (3) are all satisfied, the following can be said about the relationship between the locking claws 12, 22 and the wire harness 3. As shown in Fig. 10, when formula (1) is satisfied, the linear wire harness 3 along the X direction cannot pass in the Z direction through the gap between the locking claws 12, 22. The wire harness 3 cannot pass through because the movement of the wire harness 3 is restricted by the tip convex portion 26.

[0067] When formula (2) and formula (3) are established, a distance that allows the wire harness 3 to pass between the first locking claw 12 and the second locking claw 22 is ensured. Therefore, as shown in Fig. 11, if the wire harness 3 is appropriately bent according to the tip convex portion 26, it can pass through the gap between the locking claws 12 and 22 in the Z direction. Specifically, the wire harness 3 can pass through the gap between the locking claws 12 and 22 in the Z direction by being bent in a shape that corresponds to the main passage 31 and the inclined passage 32 so as to avoid the tip convex portion 26.

[0068] 11 has a shape including a main portion 33 and two inclined portions 34. The main portion 33 has a shape that allows it to pass through the main passage 31. The inclined portions 34 are connected to one and the other ends of the main portion 33. The inclined portions 34 have an inclination that allows them to pass through the inclined passage 32.

[0069] [How to use the wire harness retention structure] An example of a method of using the wire harness holding structure 10 will be described. The wire harness 3 outside the holding projections 1, 2 is moved downward and introduced between the first locking claw 12 and the second locking claw 22. The introduction surface 12a of the first locking claw 12 is an inclined surface that gradually descends in the protruding direction of the first locking claw 12. The introduction surface 22a of the second locking claw 22 is also an inclined surface that gradually descends in the protruding direction of the second locking claw 22. Therefore, the wire harness 3 can be guided into the gap between the locking claws 12, 22 along the inclination of the introduction surfaces 12a, 22a. When the wire harness 3 contacts the introduction surface 12a of the first locking claw 12, the wire harness 3 mainly contacts the rib-shaped projection 15. When the wire harness 3 contacts the introduction surface 22a of the second locking claw 22, the wire harness 3 mainly contacts the rib-shaped projection 25.

[0070] When the wire harness 3 is moved further downward, the locking claws 12, 22 are pressed by the wire harness 3 and move in directions away from each other. The extensions 11, 21 are bent (flexed) in directions away from each other. Because the introduction surfaces 12a, 22a are inclined, a force in directions away from each other can be applied to the locking claws 12, 22 by a simple operation of simply pressing the wire harness 3 against them.

[0071] 11, if the locking claws 12, 22 are spaced apart sufficiently and the wire harness 3 is given an appropriate bending shape, the wire harness 3 can pass through the gap between the locking claws 12, 22 in the Z direction. When the wire harness 3 passes the locking claws 12, 22, the bending deformation (flexural deformation) of the extensions 11, 21 is eliminated due to the elasticity of the extensions 11, 21, and the locking claws 12, 22 return to the normal position P1 (see FIG. 8). The wire harness 3 is held between the first holding projection 1 and the second holding projection 2 in a state where it is surrounded by the extensions 11, 21 and the locking claws 12, 22.

[0072] As shown in FIG. 3, the wire harness 3A of the wire harness 3 is connected to the electronic component 103. The electronic component 103 and the pull-out hole 502a (see FIG. 2) are located higher than the lower surfaces of the locking claws 12 and 22. Therefore, an upward force may act on the wire harness 3A due to its own bending elasticity. The wire harness 3B is wired so as to climb over the peripheral wall 511 and reach the holder 104. Since the upper edge of the peripheral wall 511 is located higher than the lower surfaces of the locking claws 12 and 22, an upward force may also act on the wire harness 3B due to its own bending elasticity. When an upward force acts on the wire harness 3, the wire harness 3 may press the locking claws 12 and 22 upward.

[0073] 10, since the tip protrusion 26 is formed on the second locking claw 22, the wire harness 3 linear along the X direction cannot pass through the gap between the locking claws 12, 22 even when the locking claws 12, 22 are at the most distant position P2. It is considered that the wire harness 3 held by the holding protrusions 1, 2 often has a linear shape or a shape close to a linear shape in the short range held by the holding protrusions 1, 2. Therefore, even if the locking claws 12, 22 are separated from each other by being pressed by the wire harness 3, the wire harness 3 is unlikely to come off the holding protrusions 1, 2.

[0074] [Effects of the wire harness holding structure of the embodiment] In the wire harness holding structure 10, a tip convex portion 26 is formed on the second locking claw 22. The tip convex portion 26 prevents the linear wire harness 3 along the X direction from passing between the locking claws 12, 22, so that the wire harness 3 held by the holding protrusions 1, 2 is unlikely to come off from the holding protrusions 1, 2. Therefore, the wire harness 3 can be stably held. In the wire harness holding structure 10, if the wire harness 3 is given an appropriate bending shape to avoid the tip convex portion 26, the wire harness 3 can pass through the gap between the locking claws 12, 22. Therefore, the operation of holding the wire harness 3 on the holding protrusions 1, 2 is easy.

[0075] When the first locking claw 12 and the second locking claw 22 are at the farthest position P2, they form a gap that does not allow the linear wire harness 3 along the X direction to pass through. Therefore, the wire harness 3 held by the holding protrusions 1, 2 is unlikely to come off from the holding protrusions 1, 2. Therefore, the wire harness 3 can be stably held. 11, in the wire harness holding structure 10, if the wire harness 3 is given an appropriate bending shape, the wire harness 3 can pass through the gap between the locking claws 12, 22. Therefore, the operation of holding the wire harness 3 on the holding protrusions 1, 2 is easy.

[0076] 10, in the wire harness holding structure 10, the gap between the locking claws 12, 22 at the farthest position P2 has a curved shape including a main passage 31 along the X direction and an inclined passage 32 inclined with respect to the X direction, so that the straight wire harness 3 is unlikely to pass through the gap. Therefore, the wire harness 3 is unlikely to come off the holding projections 1, 2. Therefore, the wire harness 3 can be stably held. In the wire harness holding structure 10, the wire harness 3 is formed into a simple bent shape according to the main passage 31 and the inclined passage 32, so that the wire harness 3 can pass through the gap between the locking claws 12, 22. Therefore, the operation of holding the wire harness 3 on the holding protrusions 1, 2 is easy.

[0077] At least a part of the tip protrusion 26 of the second locking claw 22 is positioned outwardly (in the X direction) with respect to the first locking claw 12. Therefore, a passage (inclined passage 32) can be secured between the first locking claw 12 and the tip protrusion 26 of the second locking claw 22. This facilitates the operation of holding the wire harness 3 on the holding projections 1, 2.

[0078] Two tip protrusions 26 are formed on the second locking claw 22 at an interval in the X direction. Therefore, the gap between the locking claws 12, 22 can be shaped to be bent at both ends of the main passage 31. Since the gap between the locking claws 12, 22 is shaped to be bent at two places, the wire harness 3 held by the holding projections 1, 2 is less likely to come off. Therefore, the wire harness 3 can be stably held.

[0079] [Wire harness holding structure] (Second embodiment) Fig. 12 is a perspective view of a wire harness holding structure 110 of the second embodiment. Fig. 13 is a perspective view of the holding protrusions 101, 102. Fig. 14 is a perspective view of the holding protrusions 101, 102. Fig. 15 is a plan view of the holding protrusions 101, 102. Fig. 16 is a cross-sectional view taken along line AA in Fig. 15. Fig. 17 is a cross-sectional view taken along line BB in Fig. 15.

[0080] 12, the door mirror 200 includes a wire harness holding structure 110. The wire harness holding structure 110 includes a pair of holding protrusions 101, 102 and a wire harness 3. The wire harness holding structure 110 is a structure that holds the wire harness 3 between the first holding protrusion 101 and the second holding protrusion 102.

[0081] The structure of the holding projections 101, 102 will be described in detail with reference to Fig. 13 to Fig. 17. As shown in Fig. 13, the first holding projection 101 includes a first extending portion 111 and a first locking claw 112. The first extending portion 111 extends upward (or substantially upward) from the base surface 106a. The surface of the first extending portion 111 that faces the second extending portion 121 is referred to as an inner surface 111a.

[0082] The first extending portion 111 is elastically bendable in a direction approaching and moving away from the second extending portion 121 (see FIG. 16). The first locking claw 112 protrudes from an inner surface 111a at the top of the first extending portion 111 in a direction approaching the second locking claw 122. The first locking claw 112 is wedge-shaped with a height dimension (dimension in the Z direction) gradually decreasing in the protruding direction. The first locking claw 112 is triangular when viewed from the side (X direction).

[0083] 16, the introduction surface 112a of the first locking claw 112 is an inclined surface that gradually descends toward the protruding direction of the first locking claw 112 (the direction approaching the second locking claw 122). The inclination direction of the introduction surface 112a is a direction gradually approaching the base surface 106a (see FIG. 13) toward the protruding direction of the first locking claw 112. The introduction surface 112a is the surface opposite to the lower surface 112b.

[0084] As shown in FIG. 15, the first locking claw 112 has a rectangular shape with rounded corners at the tip in a plan view. The tip edge 112c of the first locking claw 112 has a main portion 112d along the X direction and two corner regions 112e connected to both ends of the main portion 112d. The corner region 112e has a curved convex shape (for example, a circular arc shape). In a plan view, the corner region 112e has a curved shape in which the inclination angle with respect to the main portion 112d increases as the corner region 112e moves away from the main portion 112d. Most of the corner region 112e is an inclined surface inclined with respect to the main portion 112d. More specifically, most of the corner region 112e is an inclined surface that transitions to the -Y direction as it moves outward (in the direction in which the two corner regions 112e move away from each other).

[0085] The corner region of the tip edge of the first locking claw may have a shape that is linearly inclined with respect to the X direction in a plan view. That is, the corner region may be an inclined surface that is linearly inclined so as to transition to the -Y direction as it goes outward (in the direction in which the two corner regions move away from each other).

[0086] 14, the second holding projection 102 includes a second extending portion (opposing base) 121 and a second locking claw 122. The second extending portion 121 extends upward (or substantially upward) from the base surface 106a. The surface of the second extending portion 121 that faces the first extending portion 111 is referred to as an inner surface 121a.

[0087] The second extending portion 121 can be elastically bent and deformed in a direction approaching and moving away from the first extending portion 111 (see FIG. 16). The second locking claw 122 protrudes from an inner surface 121a at the upper part of the second extending portion 121 in a direction approaching the first locking claw 112. The second locking claw 122 faces the first locking claw 112. The second locking claw 122 includes a locking claw main portion 123 and two extension claw portions 124. The locking claw main portion 123 protrudes from an inner surface 121a at the upper part of the second extending portion 121 in a direction approaching the first locking claw 112. The locking claw main portion 123 is wedge-shaped with a height dimension (dimension in the Z direction) gradually decreasing in the protruding direction. The YZ cross section (cross section along the Y direction and Z direction) of the locking claw main portion 123 is triangular.

[0088] 16, the introduction surface 123a of the locking claw main part 123 is an inclined surface that gradually descends toward the protruding direction of the locking claw main part 123 (the direction approaching the first locking claw 112). The inclination direction of the introduction surface 123a is a direction gradually approaching the base surface 106a (see FIG. 14) toward the protruding direction of the locking claw main part 123. The introduction surface 123a is the surface opposite to the lower surface 123b.

[0089] 15, the locking claw main part 123 has a rectangular shape in a plan view. A tip edge 123c of the locking claw main part 123 is aligned along the X direction. The locking claw main part 123 has roughly the same shape as the first locking claw 112. The width (dimension in the X direction) of the locking claw main part 123 is roughly the same as the width of the first locking claw 112. The locking claw main part 123 is located opposite the first locking claw 112 in the Y direction.

[0090] The two expansion claw portions 124 are provided on one and the other side portions of the locking claw main portion 123, respectively. The expansion claw portions 124 bulge outward (in the direction in which the two expansion claw portions 124 move away from each other) from the side surfaces of the locking claw main portion 123. At least a portion of the expansion claw portion 124 is positioned outwardly shifted relative to the first locking claw 112. Due to the presence of the expansion claw portion 124, the width of the second locking claw 122 is greater than the width of the first locking claw 112.

[0091] 13 and 14, the extension claw portion 124 is triangular when viewed from the side (X direction). A first edge 124a of the extension claw portion 124 is inclined so as to gradually descend toward the protruding direction of the second locking claw 122 (the direction approaching the first locking claw 112). A second edge 124b of the extension claw portion 124 overlaps with the lower surface 123b of the locking claw main portion 123 when viewed from the side (X direction) (see FIG. 15). A third edge 124c of the extension claw portion 124 is aligned with the inner surface 121a of the second extension portion 121 when viewed from the side (X direction) (see FIG. 14).

[0092] As shown in FIG. 14, the portion including the first edge 124a is a rib-shaped protrusion 125 that protrudes in a direction perpendicular to the introduction surface 123a (diagonally upward) relative to the introduction surface 123a of the locking claw main part 123. The rib-shaped protrusion 125 is formed with an inclination so as to gradually descend toward the protruding direction of the second locking claw 122. As shown in FIG. 15, the introduction surface 123a of the locking claw main part 123 and the surface 125a of the rib-shaped protrusion 125 are collectively referred to as the "introduction surface 122a." The introduction surface 122a is inclined so as to gradually descend toward the protruding direction of the second locking claw 122. The introduction surface 122a is the surface opposite to the lower surface 123b.

[0093] The tip portion of the extension claw portion 124 in the protruding direction protrudes relative to the tip edge 123c of the locking claw main portion 123 in a plan view. The tip portion of the extension claw portion 124 is called the tip convex portion 126. The protruding direction of the tip convex portion 126 may be a direction perpendicular to the tip edge 123c (-Y direction). The tip convex portion 126 includes the bottom portion of the rib-shaped projection 125. The height position of the tip convex portion 126 is approximately the same as the height position of the tip edge 112c of the first locking claw 112 (see FIG. 15).

[0094] The shape of the tip convex portion 126 in plan view is, for example, a curved convex shape. Most of the area of ​​the inner side surface 126a of the tip convex portion 126 is an inclined surface inclined with respect to the tip edge 123c. More specifically, most of the area of ​​the inner side surface 126a is an inclined surface that transitions in the -Y direction toward the outside (the direction in which the two tip convex portions 126 move away from each other). At least a part of the inner side surface 126a may be a curved shape in plan view in which the inclination angle with respect to the tip edge 123c of the locking claw main portion 123 decreases with increasing distance.

[0095] The inner surface of the tip convex portion may be linearly inclined with respect to the X direction in plan view. That is, the inner surface of the tip convex portion may be an inclined surface that is linearly inclined so as to transition to the -Y direction as it goes outward (in the direction away from the two tip convex portions).

[0096] Since the tip protrusion 126 is a part of the expansion claw portion 124, at least a part of the tip protrusion 126 is shifted in the X direction relative to the first locking claw 112 when viewed from the Y direction. More specifically, at least a part of the tip protrusion 126 is shifted outward (in the direction in which the two tip protrusions 126 move away from each other) relative to the first locking claw 112 when viewed from the Y direction. Therefore, the inner surface 126a of the tip protrusion 126 is positioned opposite the corner region 112e of the tip edge 112c of the first locking claw 112. That is, the inner surface 126a and the corner region 112e face each other. Note that only a part of the tip protrusion may be shifted in the X direction relative to the first locking claw when viewed from the Y direction, or the entire tip protrusion may be shifted in the X direction relative to the first locking claw.

[0097] As shown in FIG. 16, the first locking claw 112 and the second locking claw 122 can be switched between a normal position P1 shown by a solid line and a farthest position P2 shown by a virtual line by bending deformation (flexural deformation) of the first extension portion 111 and the second extension portion 121.

[0098] Fig. 18 is a plan view of the holding projections 101, 102 when the locking claws 112, 122 are at the farthest position P2. As shown in Fig. 18, at the farthest position P2, the first locking claw 112 and the second locking claw 122 face each other with a gap therebetween. Even at the farthest position P2, the inner surface 126a of the tip protrusion 126 and the corner region 112e of the first locking claw 112 face each other.

[0099] The gap between the first locking claw 112 and the second locking claw 122 has a main passage 131 and two inclined passages 132 in a plan view. The main passage 131 is a passage formed between the main portion 112d of the first locking claw 112 and the tip edge 123c of the locking claw main portion 123 of the second locking claw 122. The main passage 131 is formed along the X direction. The two inclined passages 132 are passages extending from one end and the other end of the main passage 131, respectively. The inclined passage 132 is a passage formed between the corner region 112e of the first locking claw 112 and the inner surface 126a of the tip protrusion 126.

[0100] As described above, the corner region 112e of the first locking claw 112 has an inclined surface inclined with respect to the main portion 112d in a plan view. This inclined surface is inclined in a direction that transitions to the -Y direction (diagonally downward in FIG. 18) as it moves outward (in the direction in which the two corner regions 112e move away from each other). The inner surface 126a of the tip convex portion 126 has an inclined surface inclined with respect to the tip edge 123c in a plan view. This inclined surface is inclined in a direction that transitions to the -Y direction (diagonally downward in FIG. 18) as it moves outward (in the direction in which the two tip convex portions 126 move away from each other).

[0101] Since the opposing corner regions 112e and the inner side surface 126a are inclined in the same direction, at least a portion of the inclined passage 132 is inclined in a direction that transitions to the -Y direction (diagonally downward in FIG. 18) as it moves outward. This direction is a direction that is inclined with respect to the main passage 131. Therefore, the gap between the first locking claw 112 and the second locking claw 122 has a bent shape bent at both ends of the main passage 131 in a plan view.

[0102] As shown in Fig. 16 and Fig. 17, the amount of displacement (displacement distance) in the Y direction of the tip (tip edge 112c) of the first locking claw 112 between the normal position P1 and the farthest position P2 is "a". The amount of displacement (displacement distance) in the Y direction of the tip (tip edge 123c or tip protrusion 126) of the second locking claw 122 between the normal position P1 and the farthest position P2 is "b". The outer diameter of the wire harness 3 is "d". As shown in Fig. 15 and Fig. 16, the distance in the Y direction between the main part 112d of the first locking claw 112 and the locking claw main part 123 of the second locking claw 122 at the normal position P1 is "c".

[0103] 15 and 17, the distance in the Y direction between the main portion 112d of the first locking claw 112 and the tip convex portion 126 in the normal position P1 is defined as "e". "e" is the distance between the main portion 112d and the tip convex portion 126 when viewed from the side (X direction). As shown in FIG. 15, the protrusion amount (protrusion height) of the tip convex portion 126 from the tip edge 123c of the locking claw main portion 123 is defined as "k". The distance "e" corresponds to the difference "ck" between the distance "c" and the protrusion amount "k".

[0104] 17, "a+b+e" is the distance in the Y direction between the main portion 112d and the tip convex portion 126 when the locking claws 112, 122 are at the farthest position P2. "a+b+e" is the distance between the main portion 112d and the tip convex portion 126 when viewed from the side (X direction). It is preferable that "a+b+e" satisfies the following formula (4). a+b+e < d (4)

[0105] The establishment of formula (4) means that the distance "a+b+e" in the Y direction between the main portion 112d and the tip convex portion 126 at the farthest position P2 is less than the outer diameter of the wire harness 3. Therefore, the gap between the first locking claw 112 and the second locking claw 122 has a shape that allows the tip convex portion 126 to restrict the linear wire harness 3 along the X direction from passing through in the Z direction.

[0106] As shown in FIG. 16, "a+b+c" is the distance in the Y direction between the main portion 112d and the locking claw main portion 123 when the locking claws 112, 122 are at the farthest position P2. "a+b+c" corresponds to the width of the main passage 131 (see FIG. 18). It is preferable that "a+b+c" satisfies the following formula (5). a+b+c≧d (5)

[0107] The establishment of formula (5) means that the width "a+b+c" of the main passage 131 is equal to or larger than the outer diameter of the wire harness 3. Therefore, the wire harness 3 can pass through the main passage 131 in the Z direction.

[0108] 17, "f" is the shortest distance between the corner region 112e of the first locking claw 112 and the tip protrusion 126 of the second locking claw 122 when the locking claws 112, 122 are at the farthest position P2. The distance "f" corresponds to the width of the inclined passage 132. It is preferable that the distance "f" satisfies the following formula (6). f ≧ d (6)

[0109] Establishment of formula (6) means that the width "f" of the inclined passage 132 is equal to or larger than the outer diameter of the wire harness 3. Therefore, the wire harness 3 can pass through the inclined passage 132 in the Z direction.

[0110] When formula (4), formula (5), and formula (6) are all satisfied, the following can be said about the relationship between the locking claws 112, 122 and the wire harness 3. As shown in Fig. 19, when formula (4) is satisfied, the linear wire harness 3 along the X direction cannot pass through the gap between the locking claws 112, 122 in the Z direction. The wire harness 3 cannot pass through because the movement of the wire harness 3 is restricted by the tip convex portion 126.

[0111] When formula (5) and formula (6) are established, a distance that allows the wire harness 3 to pass between the first locking claw 112 and the second locking claw 122 is ensured. Therefore, as shown in Fig. 20, if the wire harness 3 is appropriately bent according to the tip convex portion 126, it can pass through the gap between the locking claws 112, 122 in the Z direction. Specifically, the wire harness 3 can pass through the gap between the locking claws 112, 122 in the Z direction by being bent in a shape that corresponds to the main passage 131 and the inclined passage 132 so as to avoid the tip convex portion 126.

[0112] The wire harness 3 shown in Fig. 20 has a shape including a main portion 33 and two inclined portions 34. The main portion 33 has a shape that allows it to pass through a main passage 131. The inclined portions 34 are connected to one and the other ends of the main portion 33. The inclined portions 34 have an inclination that allows them to pass through an inclined passage 132.

[0113] 15 and 16, in the normal position P1, the distance "c" in the Y direction between the main portion 112d of the first locking claw 112 and the locking claw main portion 123 of the second locking claw 122 preferably satisfies the following formula (7). The distance "c" between the main portion 112d and the locking claw main portion 123 is the separation distance between the first locking claw 112 and the second locking claw 122 at a location where the tip protrusion 126 is not present. c < d (7)

[0114] The establishment of formula (7) means that in the normal position P1, the distance "c" between the main portion 112d and the locking claw main portion 123 is less than the outer diameter of the wire harness 3. Therefore, the wire harness 3 is less likely to pass through the gap between the locking claws 112, 122. Therefore, the wire harness 3 is less likely to come off the holding projections 101, 102.

[0115] [How to use the wire harness retention structure] An example of a method of using the wire harness holding structure 110 will now be described. The wire harness 3 outside the holding projections 101, 102 is moved downward and introduced between the first locking claw 112 and the second locking claw 122. When the wire harness 3 is moved further downward, the locking claws 112, 122 are pressed by the wire harness 3 and move in directions away from each other. The extensions 11, 21 are bent (flexed) in directions away from each other. Because the introduction surfaces 112a, 122a are inclined, a force in directions away from each other can be applied to the locking claws 112, 122 by a simple operation of simply pressing the wire harness 3 against them.

[0116] 20, if the locking claws 112, 122 are sufficiently spaced apart and the wire harness 3 is given an appropriate bending shape, the wire harness 3 can pass through the gap between the locking claws 112, 122 in the Z direction. When the wire harness 3 passes the locking claws 112, 122, the bending deformation (flexural deformation) of the extensions 11, 21 is eliminated due to the elasticity of the extensions 11, 21, and the locking claws 112, 122 return to the normal position P1 (see FIGS. 16 and 17). The wire harness 3 is held between the first holding projection 101 and the second holding projection 102 in a state where it is surrounded by the extensions 11, 21 and the locking claws 112, 122.

[0117] As shown in FIG. 19, since the second locking claw 122 is formed with a tip convex portion 126, a straight wire harness 3 extending along the X direction cannot pass through the gap between the locking claws 112, 122 even when the locking claws 112, 122 are at the farthest position P2. It is considered that the wire harness 3 held by the holding protrusions 101, 102 often has a straight or nearly straight shape in the short area held by the holding protrusions 101, 102. Therefore, even if the locking claws 112, 122 are separated from each other by being pressed by the wire harness 3, the wire harness 3 is unlikely to come off the holding protrusions 101, 102.

[0118] [Effects of the wire harness holding structure of the embodiment] In the wire harness holding structure 110, a tip convex portion 126 is formed on the second locking claw 122. The tip convex portion 126 prevents the wire harness 3, which is linear along the X direction, from passing between the locking claws 112, 122, so that the wire harness 3 held by the holding protrusions 101, 102 is unlikely to come off from the holding protrusions 101, 102. Therefore, the wire harness 3 can be stably held. In the wire harness holding structure 110, if the wire harness 3 is given an appropriate bending shape to avoid the tip convex portion 126, the wire harness 3 can pass through the gap between the locking claws 112, 122. Therefore, the operation of holding the wire harness 3 on the holding protrusions 101, 102 is easy.

[0119] When the first locking claw 112 and the second locking claw 122 are at the farthest position P2, they form a gap shaped such that the linear wire harness 3 along the X direction cannot pass through. Therefore, the wire harness 3 held by the holding protrusions 101, 102 is unlikely to come off from the holding protrusions 101, 102. Therefore, the wire harness 3 can be stably held. 20, in the wire harness holding structure 110, if the wire harness 3 is given an appropriate bending shape, the wire harness 3 can pass through the gaps between the locking claws 112, 122. Therefore, the operation of holding the wire harness 3 on the holding protrusions 101, 102 is easy.

[0120] 18, in the wire harness holding structure 110, the gap between the locking claws 112, 122 at the farthest position P2 has a curved shape including a main passage 131 along the X direction and an inclined passage 132 inclined with respect to the X direction, so that the straight wire harness 3 is unlikely to pass through the gap. Therefore, the wire harness 3 is unlikely to come off the holding protrusions 101, 102. Therefore, the wire harness 3 can be stably held. In the wire harness holding structure 110, the wire harness 3 is formed into a simple bent shape according to the main passage 131 and the inclined passage 132, so that the wire harness 3 can pass through the gap between the locking claws 112, 122. Therefore, the operation of holding the wire harness 3 on the holding protrusions 101, 102 is easy.

[0121] [Wire harness holding structure] (Third embodiment) Fig. 21 is a plan view of the first holding projection 1 and the second holding projection 202 of the wire harness holding structure 210 of the third embodiment. The same reference numerals are used to designate components common to the wire harness holding structure 10 of the first embodiment (see Fig. 7) or the wire harness holding structure 110 of the second embodiment (see Fig. 15), and the description thereof will be omitted.

[0122] 21, the wire harness holding structure 210 differs from the wire harness holding structure 10 of the first embodiment (see FIG. 7) in that the second locking claw 222 has one expansion claw portion 24. The second locking claw 222 of the second holding projection 202 has the expansion claw portion 24 formed only on one side of the locking claw main portion 23.

[0123] In the wire harness holding structure 210, the second locking claw 222 is formed with the tip convex portion 26, so that the gap between the locking claws 12, 222 is shaped in such a way that the linear wire harness 3 along the X direction cannot pass through, similarly to the wire harness holding structure 10 of the first embodiment (see FIG. 7). Therefore, the wire harness 3 can be stably held. The gaps between the locking claws 12, 222 are shaped so that the wire harness 3 can pass through them if the wire harness 3 is appropriately bent. Therefore, the operation of holding the wire harness 3 on the holding protrusions 1, 202 is easy.

[0124] In the wire harness holding structure 210, since there is one tip protrusion 26, the gap between the locking claws 12, 222 forms a bent passage at only one location, which makes it easy to hold the wire harness 3 on the holding projection 1, 202.

[0125] [Wire harness holding structure] (fourth embodiment) 22 is a plan view of a first holding projection 301 and a second holding projection 302 of a wire harness holding structure 310 of the fourth embodiment. Configurations common to the wire harness holding structure 10 of the first embodiment (see FIG. 7) are given the same reference numerals and description thereof will be omitted.

[0126] As shown in Fig. 22, the wire harness holding structure 310 differs from the wire harness holding structure 10 of the first embodiment (see Fig. 7) in that both the first locking claw 312 and the second locking claw 322 have the expansion claw portion 24. In the first locking claw 312 of the first holding projection 301, the expansion claw portion 24 is formed only on the side portion of the locking claw main part 23 in the +X direction. In the second locking claw 322 of the second holding projection 302, the expansion claw portion 24 is formed only on the side portion of the locking claw main part 23 in the -X direction.

[0127] In the wire harness holding structure 310, the first locking claw 312 and the second locking claw 322 are formed with the tip convex portion 26, so that the gap between the locking claws 312, 322 is shaped in such a way that the linear wire harness 3 along the X direction cannot pass through, similarly to the wire harness holding structure 10 of the first embodiment (see FIG. 7). Therefore, the wire harness 3 can be stably held. The gap between the locking claws 312, 322 is shaped so that the wire harness 3 can pass through it if the wire harness 3 is appropriately bent. Therefore, the operation of holding the wire harness 3 on the holding protrusions 301, 302 is easy.

[0128] In the wire harness holding structure 310, the tip convex portion 26 is formed on both the first locking claw 312 and the second locking claw 322, and therefore the gap between the locking claws 312, 322 has two bent portions bent in different directions. This makes it possible to make the wire harness 3 less likely to come off.

[0129] [Wire harness holding structure] (Fifth embodiment) Fig. 23 is a perspective view of a wire harness holding structure 410 of the fifth embodiment. Configurations common to the wire harness holding structure 10 of the first embodiment (see Fig. 7) are given the same reference numerals and description thereof will be omitted.

[0130] The wire harness holding structure 410 includes a first holding projection 1, an opposing base 421, a second locking claw 22, and a wire harness 3 (see FIG. 4). The opposing base 421 is erected on the base surface 106a of the substrate portion 106. An inner surface 421a of the opposing base 421 is, for example, perpendicular to the base surface 106a. The second locking claw 22 protrudes from the inner surface 421a of the opposing base 421 in a direction approaching the first locking claw 12. The wire harness holding structure 410 holds the wire harness 3 between the first holding projection 1, the opposing base 421, and the second locking claw 22.

[0131] The present invention is not limited to the above-described embodiment, and various modifications are possible without departing from the scope of the present invention. For example, the number of tip projections is not particularly limited, and may be one or more (any number equal to or greater than two). The wire harness holding structure 10 shown in Fig. 3 and the like is a wire harness holding structure for a door mirror, but the application of the wire harness holding structure of the embodiment is not limited to a door mirror. The wire harness holding structure may be applied to, for example, vehicle interior parts, vehicle doors, etc. The application of the wire harness holding structure of the embodiment is not limited to a vehicle.

[0132] Both the first extension portion 11 and the second extension portion 21 of the wire harness holding structure 10 are elastically bendable, but the configuration of the extension portions is not limited to this. Only one of the pair of extension portions may be elastically bendable in a direction approaching and separating from each other. In other words, it is sufficient that at least one of the pair of extension portions is elastically bendable in a direction approaching and separating from the other. When only one of the pair of extension portions is bendable, "a" or "b" in the above-mentioned formulas (1) and (2) becomes zero. Therefore, "a+b" becomes "a" or "b".

[0133] As shown in FIG. 6, in the wire harness holding structure 10, both the introduction surface 12a of the first locking claw 12 and the introduction surface 22a of the second locking claw 22 are inclined downward in the protruding direction, but only one of the introduction surface of the first locking claw and the introduction surface of the second locking claw may be inclined. [Explanation of symbols]

[0134] 1,101,301...first retaining protrusion (retaining protrusion), 2,102,202,302...second retaining protrusion (retaining protrusion), 3,3A,3B...wire harness, 10,210,310,410...wire harness retaining structure, 11,111...first extension portion (extension portion), 12,112,312...first locking claw (locking claw), 12a,22a,112a,122a...introduction surface, 21,121...second extension portion (opposing base), 22,122,222,322...second locking claw (locking claw), 26,126...tip convex portion, 31,131...main passage, 32,132...inclined passage, 100...door mirror, 106a...base surface, 421...opposing base.

Claims

1. a holding projection including an extension portion extending from a base surface and a first locking claw protruding from the extension portion; An opposing base opposing the extension portion; A second locking claw protruding from the opposing base; A wire harness holding structure including: a wire harness held between the holding projection and the opposing base, the extension portion is elastically bendable and deformable in a direction toward and away from the opposing base, The first and second locking claws are formed to protrude in directions approaching each other, At least one of the first and second locking claws is formed with one or more tip protrusions, A direction in which the extension portion and the opposing base are aligned is defined as a first direction, a direction perpendicular to the first direction and along the extension portion as viewed from the first direction is defined as a second direction, and a direction perpendicular to the first direction and the second direction is defined as a third direction, the tip protrusion restricts the wire harness, which is linear along the third direction, from passing between the first locking claw and the second locking claw in the second direction, a gap between the first locking claw and the second locking claw has a plurality of portions where the distance between the first locking claw and the second locking claw as viewed from the third direction is different; Wire harness holding structure.

2. When the first and second locking claws are farthest apart, they face each other with a gap therebetween, The gap is The wire harness having a straight shape along the third direction is restricted from passing in the second direction by the tip protrusion, and The shape allows the wire harness bent according to the tip convex portion to pass through.

2. The wire harness holding structure according to claim 1.

3. When viewed from the second direction, the gap A main passage along the third direction; an inclined passage formed between the tip protrusion of one of the first and second locking claws and the other locking claw, the inclined passage being inclined with respect to the third direction; 3. The wire harness holding structure according to claim 2, wherein the wire harness holding structure has a bent shape having a curved shape.

4. The wire harness retaining structure according to any one of claims 1 to 3, wherein at least a portion of the tip protrusion of one of the first and second locking claws is formed at a position shifted in the third direction relative to the other locking claw when viewed from the first direction.

5. A wire harness retaining structure as described in any one of claims 1 to 4, wherein an introduction surface of at least one of the first and second locking claws, which is the surface opposite to the surface facing the base surface, is inclined so as to approach the base surface in a direction approaching the other locking claw.

6. The wire harness holding structure according to any one of claims 1 to 5, wherein the tip convex portion is formed in a plurality of portions spaced apart in the third direction on only one of the first locking claw and the second locking claw.

Images