JP2023122156A - Harness sheathing structure - Google Patents

Abstract

To provide a harness sheathing structure capable of surely connecting a corrugated tube and a protector that are externally mounted on at least part of a wire harness.SOLUTION: There are provided a corrugated tube 10 externally mounted on part of a wire harness WH, whose outer-peripheral protrusion 11 and outer-peripheral recess 12 are alternately arranged in an axial direction, and a protector body part 30 externally mounted on the part of the wire harness WH. Four connecting parts 13 for connecting outer-peripheral protrusions 11 to each other are provided from an end portion of a base end side Xb of the corrugated tube 10. The protector body part 30 comprises a protector body 31 formed into a groove shape. A corrugated connection part 32 for connecting the end portion of the corrugated tube 10 is provided at an end portion of a tip side Xf of the protector body 31. The end portion on a side where the connecting parts 13 of the corrugated tube 10 is provided is connected to the corrugated connection part 32, and the corrugated tube 10 and the protector body part 30 are connected to each other.SELECTED DRAWING: Figure 1

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to, for example, a harness exterior structure fitted onto a wire harness.

For example, various electric devices mounted on automobiles are electrically connected via wire harnesses to transmit and receive signals and supply electric power.
In order to prevent such wire harnesses from being damaged due to interference with other members, and to regulate the wiring route of wire harnesses that connect electrical equipment and power sources, harness exterior materials such as corrugates and protectors are used. It is used to protect wire harnesses and regulate wiring routes.

For example, in the protector disclosed in Patent Document 1, a corrugated flexible corrugated bellows and a protector fitted on the end of the corrugated are connected along the axial direction of the corrugated to communicate with each other. The wire harness is inserted through the inside of the corrugate and the protector to protect the wire harness and regulate the route.

However, the protector described in Patent Document 1 applies an external force to the corrugate to bend the corrugate, and when a large external force acts on the portion of the corrugate to which the protector fits, the portion of the corrugate to which the protector fits deforms. There is a possibility that the connection between the protector and the corrugate will be unintentionally broken.

JP 2012-5217 A

SUMMARY OF THE INVENTION An object of the present invention is to provide a harness exterior structure capable of reliably connecting corrugates and protectors that are exteriorized to at least a portion of a wire harness.

According to the present invention, a cylindrical corrugated tube in which convex outer peripheral convex portions along the circumferential direction and concave outer peripheral concave portions along the circumferential direction are alternately arranged in the axial direction, and a groove shape having an opening are formed. a protector having a protector main body, an end portion of the corrugated portion being connected to a corrugated connecting portion provided in the protector main body, and a wiring harness being inserted through the communicating corrugated portion and the protector. and a connecting portion connecting at least one of the outer peripheral convex portions and the outer peripheral concave portions adjacent in the axial direction to a portion of the corrugate that is connected to at least the corrugated connecting portion is a part of the circumferential direction. characterized by being provided in

The corrugate may be formed in a flexible bellows tubular shape through which the wire harness can be inserted, and may be formed in an oval shape such as a circular, elliptical, or oval cross-sectional shape.
The corrugated connecting portion may be provided at an end of the protector, and the protector and the corrugated may be connected in series. The corrugated structure may be configured to extend in the cross direction.

The connecting portion is one of the outer peripheral convex portions provided with the outer peripheral concave portions separated along the axial direction and the outer peripheral concave portions provided with the outer peripheral convex portions separated along the axial direction. only or both may be formed.

Further, the connecting portion may be provided over the entire length of the corrugate, or may be provided only partially, and a plurality of connecting portions may be provided over a predetermined length.
The connecting portion may be provided within a range of at least a predetermined length from the end portion of the corrugate on the side connected to the protector, and the connecting portion may be provided within a predetermined length from both ends of the corrugate. A range may also be provided. In addition, the connecting portion may also be provided on the axially inner portion.

Further, when a plurality of the connecting portions are provided, the connecting portions may be uniformly arranged at predetermined angles along the circumferential direction, or may be arranged at arbitrary positions. They may be arranged such that they are out of phase along the axial direction, that is, they are arranged in a substantially grid pattern.
In addition, the connecting portion may be configured integrally with the corrugate, or may be configured separately.

According to this invention, it is possible to reliably connect the corrugated portion and the protector that are sheathed to at least a part of the wire harness.
More specifically, the connecting portion is provided on one end side of the corrugate connected to the corrugated connecting portion provided on the protector main body of the protector, and the range in which the connecting portion is provided can be A bending direction of the flexible corrugate is regulated.

in particular. In the corrugated case, when the connecting portion connects the outer circumferential convex portions provided across the outer circumferential concave portion along the axial direction, when an external force in a bending direction acts on the corrugated portion, the corrugated portion is bent. , the connecting portion restricts the proximity of the outer peripheral convex portions connected by the connecting portion on the radially inner side of the bending direction.
In this way, the connecting portion connecting the outer peripheral convex portions can restrict the bending of the corrugate in the direction from the central axis of the corrugate toward the connecting portion.

Furthermore, when the connecting portion that connects the outer peripheral convex portions is formed integrally with the corrugated portion, the outer peripheral convex portions connected by the connecting portion are separated from each other on the outside in the bending direction of the corrugate. , is regulated by the connecting portion.

Thus, when the connecting portion connecting the outer peripheral convex portions is formed integrally with the corrugated portion, the direction from the central axis of the corrugated to the connecting portion and the central axis of the corrugated from the connecting portion It is possible to regulate the bending of the corrugated in the direction toward.

Further, in the corrugated case, when the connecting portion connects the outer peripheral concave portions provided with the outer peripheral convex portion in the axial direction, when an external force in a bending direction acts on the corrugate, The connecting portion restricts the distance between the outer peripheral concave portions connected by the connecting portion on the radially inner side of the corrugate in the bending direction.

The connecting portion restricts the proximity of the outer peripheral recesses connected by the connecting portion on the radially outer side in the bending direction of the corrugate.
In this way, the connecting portion that connects the outer peripheral recesses is bent by the connecting portion in the direction from the central axis of the corrugated to the connecting portion and in the direction from the connecting portion to the central axis of the corrugated. can be regulated.

In this way, by restricting the bending of the end portion of the corrugate on the side connected to the corrugated connecting portion by the connecting portion, the connecting portion of the corrugated connecting portion connected to the corrugated connecting portion can be bent as intended by the corrugate. You can prevent it from bending.

Therefore, the corrugated portion is prevented from unintentionally bending at the connecting portion connected to the corrugated connecting portion, the corrugated portion is deformed at the connecting portion, and the connection between the corrugated connecting portion and the corrugated portion is unintentionally dissolved. can be prevented.
Thus, it is possible to reliably connect the corrugated portion and the protector that are attached to at least a part of the wire harness.

As an aspect of the present invention, the corrugated connecting portion may be provided with a restricting rib that is fitted into the outer peripheral recess of the corrugated and restricts withdrawal of the corrugated in the axial direction.
According to the present invention, the movement of the corrugate in the axial direction with respect to the protector can be regulated by fitting the regulating rib into the outer peripheral recess, and the corrugate can move relative to the protector in the direction along the axial direction. movement can be prevented. That is, by preventing the corrugate from slipping out of the protector in the axial direction, the corrugate and the protector can be connected more reliably.

Moreover, as a mode of this invention, the said connection part and the fitting part which carries out uneven|corrugated fitting may be provided in the said control rib.
According to the present invention, the connecting portion and the fitting portion provided on the corrugated can be engaged with each other in a concave-convex manner, and the restricting rib can reliably prevent the corrugated from coming off.

Further, by fitting the connecting portion and the fitting portion in a concave-convex manner, it is possible to restrict the movement of the corrugated portion in the circumferential direction with respect to the protector.
Since the movement of the corrugate whose bending direction is restricted in the circumferential direction is restricted in this manner, the bending direction of the corrugate with respect to the protector can be reliably restricted in a desired direction.

Moreover, as a mode of this invention, the said fitting part may be provided in the front end side of the mounting|wearing direction which mounts|wears the said corrugate to the said corrugate connection part.
According to the present invention, when the corrugate is attached to the corrugated connecting portion, only by moving the corrugate toward the corrugated connecting portion along the mounting direction, the corrugated portion provided on the tip side in the mounting direction can be moved. The fitting portion and the connecting portion are fitted to each other, so that the corrugate and the protector can be easily and reliably connected.

Further, as an aspect of the present invention, the fitting portion may be formed so that the width of the fitting portion becomes narrower toward the inner side in the radial direction of the corrugate.
According to the present invention, when the corrugate is attached to the corrugated connecting portion, the connecting portion of the corrugate is guided by the fitting portion, so that the corrugate is arranged at a desired position with respect to the corrugated connecting portion. can. Therefore, it is possible to reliably connect the connecting portion and the fitting portion provided on the corrugate, thereby reliably connecting the corrugate and the protector.

Further, as an aspect of the present invention, the regulating rib in the corrugated connecting portion extends toward the side on which the connected corrugates are arranged, and is spaced from the outer peripheral surface of the connected corrugates at a predetermined interval. However, a peripheral wall portion may be provided that faces part of the peripheral direction.

According to this invention, when an external force acts and the corrugate bends, the corrugate connected to the corrugated connecting portion comes into contact with the extending peripheral wall portion.
The corrugated portion connected to the corrugated connecting portion abuts against the peripheral wall portion, thereby restricting the bending of the portion of the corrugated portion facing the peripheral wall portion.

That is, it is possible to suppress the bending of the corrugate from the portion where the regulating rib is fitted to the end of the peripheral wall portion. Deformation of the corrugated portion can be prevented, and the corrugated portion can be prevented from coming off from the corrugated connecting portion.

Further, as an aspect of the present invention, the protector is provided with a cover portion that closes an opening of the protector main body formed in a groove shape, and the corrugated connected to the portion of the cover that closes the corrugated connecting portion is visually observed. A possible opening may be provided.

According to the present invention, the portion of the corrugate connected to the corrugated connecting portion can be covered by the cover portion, the corrugate can be prevented from unintentionally slipping out of the opening of the protector main body, and the corrugate and the protector can be prevented. can be reliably connected.

Furthermore, since the opening is provided in the portion of the cover portion that closes the corrugated connecting portion, the connecting portion between the corrugated portion and the corrugated connecting portion can be visually observed from the outside while covered with the cover portion. It can be confirmed that the corrugate and the protector are securely connected.

Moreover, as an aspect of this invention, in at least a part of the corrugate in the axial direction, the connecting portion may be arranged along the axial direction.
According to this invention, bending in an unintended direction of the corrugate can be suppressed over a desired range along the axial direction.

Moreover, as a mode of this invention, the said connection part arrange|positioned along the said axial direction of the said corrugate may be provided in multiple places of the said circumferential direction.
According to the present invention, bending in an unintended direction of the corrugate can be more reliably restricted. Further, by arranging the plurality of connecting portions in a desired manner, it is possible to regulate the bending direction of the corrugate so as to be limited to a desired direction.

Furthermore, by providing the connecting portion in a different manner for each of a plurality of ranges along the axial direction of the corrugate, the bending direction of the corrugate can be regulated for each of the plurality of ranges, or a desired range can be linearly formed. can be regulated to

Moreover, as a mode of this invention, the said connection part provided in the said circumferential direction of the said corrugate at multiple places may be arrange|positioned at equal intervals in the said circumferential direction.
According to this invention, the bending direction of the corrugate can be regulated.

For example, when the connecting portions are provided at two locations in the circumferential direction and are arranged at equal intervals in the circumferential direction, that is, when the connecting portions are provided so as to face each other across the corrugate, the connecting portions It is possible to restrict the bending of the corrugate in the direction in which the portions face each other.
In other words, the bending direction of the corrugate can be restricted to a direction substantially perpendicular to the direction in which the connecting portions face each other.

Further, when the connecting portions are provided at three or more locations in the circumferential direction and are arranged at equal intervals in the circumferential direction, bending of the corrugate is regulated so that the connecting portions are provided in the corrugate. can be linearly regulated.

Further, as a mode of the present invention, the circumferential side surface of the connecting portion may be formed at an angle of 90° or more with respect to the peripheral outer surface.
According to the present invention, the connecting portion can be formed in a guiding shape, and the connecting portion and the fitting portion can be more easily and reliably fitted.

Further, as an aspect of the present invention, the peripheral outer surface of the connecting portion may be formed to be flush with the outer diameter of the outer peripheral convex portion or the outer peripheral concave portion to which the connecting portion connects.
According to the present invention, unintended interference between the corrugate and the protector can be prevented, and damage to the corrugate and the protector can be prevented.

The connecting portion is configured by a connecting protrusion provided in the outer peripheral recess so as to connect the outer peripheral protrusions adjacent to each other in the axial direction, and the fitting portion is a fitting into which the connecting protrusion is fitted. It may be configured with a recess.
According to this invention, in the outer peripheral concave portion of the corrugate, the connecting convex portion formed so as to protrude radially outward and the fitting concave portion provided so as to recess a part of the restricting rib are formed into concave and convex portions. By fitting them together, the connecting projection and the fitting recess can be reliably fitted together, and the corrugate and the protector can be reliably connected.

Moreover, as a mode of this invention, the circumferential length of the said fitting recessed part may be formed in concave shape wider than the circumferential direction length of the said connection convex part.
According to this invention, the connecting protrusion can be easily fitted to the fitting recess having a large width in the circumferential direction.

Moreover, as a mode of this invention, the said fitting part may be provided in the both sides of the direction orthogonal to the mounting|wearing direction which mount|wears the said corrugate connection part with the said corrugate.
According to the present invention, when the corrugate is attached to the corrugated connecting portion, the connecting portion and the fitting portion are fitted simply by moving the corrugate toward the corrugated connecting portion along the mounting direction. This allows the corrugated and the protector to be connected more easily and reliably.

Further, as an aspect of the present invention, the connecting portion is configured by a connecting recess for recessing the outer peripheral convex portion so as to connect the outer peripheral concave portions, and the fitting portion extends at least in one direction from the restricting rib in the axial direction. It may be constituted by a fitting projection that protrudes outward and fits into the connecting recess.

According to the present invention, in the outer peripheral convex portion of the corrugate, the connecting concave portion formed so as to be depressed radially inward and the fitting convex portion provided so as to protrude from the restricting rib are unevenly fitted. Thus, the connecting protrusion and the fitting recess can be reliably fitted to each other, and the corrugate and the protector can be securely connected.

Further, as a mode of the present invention, the circumferential length of the fitting convex portion may be formed in a convex shape narrower than the circumferential length of the connecting concave portion.
According to this invention, the connecting recess can be easily fitted to the fitting protrusion having a narrow width in the circumferential direction.

ADVANTAGE OF THE INVENTION By this invention, the harness exterior structure which can connect the corrugate and protector which exterior at least one part of a wire harness can be reliably connected can be provided.

FIG. 2 is an external perspective view showing the external appearance of the harness exterior structure; FIG. 2 is an exploded perspective view of the harness exterior structure; Explanatory drawing of a corrugated tube. Explanatory drawing of a protector part. Explanatory drawing of a cover part. Explanatory drawing explaining how to attach harness exterior structure. Explanatory drawing explaining how to attach harness exterior structure. Sectional drawing which shows the state which bent the corrugated tube of harness exterior structure. Explanatory drawing of the corrugate in other embodiment. The appearance perspective view which shows the appearance of the harness exterior structure in other embodiment. The exploded perspective view of the harness exterior structure in other embodiment. Explanatory drawing of the corrugated tube in other embodiment. Explanatory drawing of the corrugated tube in other embodiment. Explanatory drawing of the protector part in other embodiment.

(First embodiment)
A harness exterior structure 1 according to a first embodiment of the invention will be described with reference to FIGS. 1 to 8. FIG.
The harness exterior structure 1 of the present embodiment is exteriorized to a wire harness WH that is routed in a vehicle (not shown).

FIG. 1 shows an external perspective view of the harness exterior structure 1, and FIG. 2 shows an exploded perspective view of the harness exterior structure 1. As shown in FIG.

3 shows an explanatory diagram of the corrugated tube 10, FIG. 4 shows an explanatory diagram of the protector body portion 30, and FIG. 5 shows an explanatory diagram of the cover portion 40. As shown in FIG.

Specifically, FIG. 3(a) shows a front view of the corrugated tube 10, FIG. 3(b) shows an AA enlarged cross-sectional view in FIG. 3(a), and FIG. 3(c) shows the corrugated tube 10, 3B shows a partial cross-sectional view taken along line BB in FIG.

4(a) shows a left side view of the protector main body 30, and FIG. 4(b) shows a plan view of the protector main body 30. As shown in FIG. 5(a) shows a left side view of the cover portion 40, and FIG. 6(b) shows a bottom view of the cover portion 40. As shown in FIG.

FIGS. 6 and 7 show explanatory diagrams for explaining how to attach the harness exterior structure 1. Specifically, FIG. b) shows a cross-sectional view of a state in which the corrugated tube 10 is attached to the protector main body 30, and FIG. 6(c) shows an enlarged view of the α part in FIG. 6(b).

7(a) shows a cross-sectional view of a state in which the cover portion 40 is attached to the protector main body portion 30 and the corrugated tube 10 in the state of FIG. 6(b), and FIG. b) shows a left side view of a state where the cover portion 40 is attached, and FIG. 7(c) shows an enlarged view of the β portion in FIG. 7(b).

FIG. 8 shows a schematic sectional view of the corrugated tube 10 of the harness exterior structure 1 in a bent state. Specifically, FIG. 8(a) shows a schematic cross-sectional view of substantially the entire harness exterior structure 1 with the corrugated tube 10 bent, and FIG. 8(b) shows an enlarged view of the γ portion of FIG. FIG. 8(c) shows an enlarged view of the .delta. portion of FIG. 8(a).

Moreover, the direction along the longitudinal direction of the harness exterior structure 1 in FIG. Furthermore, the left side in FIG. 1 in the longitudinal direction X and the side where the corrugated tube 10 is arranged with respect to the protector 20 is defined as the front end side Xf, and the opposite side, that is, the protector 20 is arranged with respect to the corrugated tube 10. side is referred to as the base end side Xb.

A direction orthogonal to the longitudinal direction X and along the width direction of the harness exterior structure 1 in FIG. , that is, the right side in FIG. 1 is the second width direction Ys.

In addition, the direction orthogonal to the longitudinal direction X and the width direction Y is defined as a height direction Z, and in the height direction Z, the upper side in FIG. there is

In each figure, only a part of the harness exterior structure 1, the corrugated tube 10 and the protector main body 30 that constitute the harness exterior structure 1 are shown.

As shown in FIG. 1, the harness exterior structure 1 is formed so that a wire harness WH that is routed to a vehicle (not shown) can be inserted.
As shown in FIGS. 1 and 2, the harness exterior structure 1 includes a substantially cylindrical corrugated tube 10 having a longitudinal direction along the longitudinal direction X and a substantially square tube having a longitudinal direction along the longitudinal direction X. The corrugated tube 10 is formed with a protector 20 that covers the base end side Xb of the corrugated tube 10 .

As shown in FIGS. 2 and 3, the corrugated tube 10 has convex outer peripheral protrusions 11 along the circumferential direction and concave outer peripheral recesses 12 along the circumferential direction alternately arranged along the longitudinal direction X, It is formed in a bellows cylindrical shape that is attached to a part of the wire harness WH.

Then, along the longitudinal direction X from the end of the base end side Xb of the corrugated tube 10, the axially adjacent outer circumference extends over a range of approximately one-third of the length along the longitudinal direction X of the corrugated tube 10. A connecting portion 13 for connecting the convex portions 11 is integrally provided.

As shown in FIGS. 3B and 3C, the connecting portion 13 is formed by connecting the outer peripheral convex portions 11 so as to fill the grooves of the outer peripheral concave portion 12 . In addition, the connecting portions 13 are provided at four locations at intervals of 90 degrees in the circumferential direction so as to extend radially from the outer peripheral surface of the outer peripheral recessed portion 12 .

Each of the connecting portions 13 is formed in a substantially fan shape extending from the outer periphery of the outer peripheral concave portion 12 toward the outer periphery of the outer peripheral convex portion 11 (see FIG. 3(c)). It is formed to be short (see FIG. 3(b)).
In addition, the inner peripheral side of the connecting portion 13 is formed to be shorter than one-eighth of the circumferential length of the outer periphery of the outer peripheral concave portion 12, and the outer peripheral surface of the connecting portion 13 is flush with the outer peripheral surface of the outer peripheral convex portion 11. is formed in

The outer peripheral recess 12 of the corrugated tube 10 formed in this way on the base end side Xb provided with the connection portions 13 is filled with the connection portions 13 at four locations and is provided so as to open in a cross shape (FIG. 3). (b)).

As will be described later, the corrugated tube 10 is linearly regulated in the range where the connecting portion 13 is provided on the proximal side Xb of the corrugated tube 10, and the portion on the distal side Xf of the corrugated tube 10 is freely bendable. is formed in

The protector 20 is mounted on a part of the wire harness WH and the corrugated tube 10, and has a protector main body 30 formed in a substantially concave shape in cross section that opens toward the upper side Zu, and the opening of the protector main body 30 can be freely opened and closed. It is composed of a cover portion 40 that closes up (see FIG. 2).

As shown in FIGS. 2 and 4, the protector main body 30 includes a protector main body 31 formed in a groove shape having an opening toward the upper side Zu, and a protector main body 31 provided inside an end portion of the front end side Xf of the protector main body 31. , a substantially U-shaped corrugated connecting portion 32 connecting the ends of the corrugated tube 10 in a left side view, and a protector main body 31 extending from the end of the front end side Xf of the protector main body 31 toward the front end side Xf. A peripheral wall portion 33 having substantially the same shape in a cross-sectional view is provided on the outer side of the end portion of the front end side Xf of the protector body 31, and in a closed state in which the opening of the protector body portion 30 is closed by the cover portion 40, the cover portion 40, which will be described later. It is composed of a pair of engaged portions 34 to which the engaging claws 43 are engaged.

The groove-shaped protector body 31 is formed to have a generally concave cross-sectional shape that fits over the corrugated tube 10 .
The protector main body 31 includes a pair of main body side wall portions 311 arranged to face each other along the width direction Y, and a main body bottom portion 312 that linearly connects the ends of the lower side Zd of the pair of main body side wall portions 311 to each other. and is formed to have a substantially square cross-sectional concave shape with an opening on the upper side Zu.

As shown in FIG. 4, the substantially U-shaped corrugated joints 32 are arranged at predetermined intervals along the longitudinal direction X, and four corrugated joints 32 extend from the end of the protector main body 31 on the distal side Xf to the proximal side Xb. are placed.
The four corrugated connecting portions 32 are arranged at substantially the same intervals as the intervals at which the outer peripheral recessed portions 12 of the corrugated tube 10 are arranged along the longitudinal direction X. As shown in FIG.

In addition, the substantially U-shaped corrugated connecting portion 32 includes a substantially U-shaped body-side restricting rib 321 having a substantially semicircular recess having the same diameter as the outer peripheral convex portion 11 and the connecting portion 13 of the corrugated tube 10 . , and a fitting portion 322 that protrudes radially inward from the body-side restricting rib 321 (see FIG. 4A).

The fitting portion 322 protrudes from the lower side Zd of the body-side regulating rib 321 toward the upper side Zu, and is formed by a rib having an arc-shaped recess whose radial inner side is substantially the same as the outer diameter of the outer peripheral recessed portion 12 in the height direction. It is composed of a fitting portion 323 and a pair of width direction fitting portions 324 extending inward in the width direction Y from both sides in the width direction Y of the body side regulation rib 321 .

A height-direction fitting portion 323 having an arcuate depression inside is formed to protrude upward Zu from the central portion in the width direction Y of the body-side regulation rib 321 .
In addition, the height direction fitting portion 323 is formed so that the length in the circumferential direction becomes shorter toward the upper side Zu, and both end sides in the width direction Y are inclined so as to approach toward the upper side Zu. there is

The circumferential length of the inner portion of the height direction fitting portion 323 is formed shorter than the circumferential length at which the connecting portions 13 of the corrugated tube 10 are separated from each other in the circumferential direction, and the height direction fitting portion The portion 323 and the connecting portion 13 are formed so as to fit together (see FIG. 6(c)).

Therefore, by moving from the upper side Zu toward the lower side Zd, the connection portions 13 of the corrugated tube 10 attached to the protector body portion 30 have a slight gap from the height direction fitting portion 323. Mate.
Moreover, the height-direction fitting portion 323 is formed so that the length along the longitudinal direction X becomes shorter toward the upper side Zu, so that the connecting portion 13 of the corrugated tube 10 can be guided.

In addition, the pair of width direction fitting portions 324 are arranged along the width direction Y at intervals slightly wider than the outer diameter of the outer peripheral recess portion 12 of the corrugated tube 10 (Fig. 6(b)). )reference).
The height direction Z of the width direction fitting portion 324 extends to the end portion of the main body side wall portion 311 on the front end side Xf. Moreover, the upper end portion of the width direction fitting portion 324 is formed so as to incline downward Zd as it goes inward in the width direction Y. As shown in FIG. Further, the width direction fitting portion 324 is formed such that the length in the longitudinal direction X becomes shorter toward the inner side in the width direction Y, so that the connecting portion 13 of the corrugated tube 10 can be guided.

As shown in FIG. 4, the peripheral wall portion 33 extending from the tip end side Xf of the protector main body 31 is formed to have the same shape as that of the protector main body 31 and is approximately concave in cross section, and is arranged in parallel along the longitudinal direction X. and a peripheral wall bottom surface portion 332 that linearly connects the ends of the lower side Zd of the pair of peripheral wall side walls 331, and is formed to have a concave cross section opening to the upper side Zu.
Although the length of the peripheral wall portion 33 along the longitudinal direction X is set to approximately two thirds of the protector main body 31, it may be formed to any length.

The engaged portions 34 are formed so as to be capable of engaging engaging claws 43, which will be described later. is provided.
Each of the locked portions 34 includes a pair of support pieces 341 projecting outward in the width direction Y from the main body side wall portion 311 in parallel, and an engaging piece 342 connecting the ends of the support pieces 341 on the outside in the width direction. It consists of

The engaged portion 34 configured in this way is formed with a rectangular engaging hole 343 penetrating along the height direction Z, and the engaging claw 43 of the cover portion 40 described later is inserted into the engaging hole 343. At the same time, by locking the claw portion 432 to the engaging piece 342, the locked portion 34 and the engaging claw 43 can be engaged.

The cover portion 40 is formed so as to be able to close the opening of the protector body portion 30 facing the upper side Zu, and has substantially the same length as the lengths in the longitudinal direction X and the width direction Y of the protector body portion 30. Main body 41 , cover-side restricting ribs 42 protruding downward Zd from cover main body 41 , i.e., inside protector main body 30 in the mounted state, and engaging claws 43 engaging with engaged portion 34 . It is configured.

The cover portion main body 41 is formed in a substantially concave shape that opens toward the lower side Zd. It is composed of a pair of cover side wall portions 412 extending from both ends toward the lower side Zd in a state where the protector body portion 30 and the cover portion 40 are attached.

On the top plate portion 411, in a state in which the protector body portion 30 and the cover portion 40 are attached, the top plate is positioned along the height direction Z at a position corresponding to the body-side regulation rib 321 provided on the protector body portion 30. A viewing opening 413 is provided by an opening through portion 411 .
A pair of viewing openings 413 are provided on both end sides in the width direction Y of the top plate portion 411, and each of them is formed of a rectangular opening having a longitudinal direction along the longitudinal direction X. As shown in FIG.

Four cover-side restricting ribs 42 are provided so as to protrude from the top plate portion 411 toward the lower side Zd when the protector main body portion 30 and the cover portion 40 are attached.
The cover-side regulating rib 42 is provided at a position corresponding to the main-body-side regulating rib 321 provided on the protector main body 30, and includes a cover-side regulating rib main body 421 having an arcuate recess at its tip, and a cover-side regulating rib main body 421. and a cover-side fitting portion 422 which further protrudes from the central portion in the width direction Y toward the lower side Zd (see FIG. 5A).

The cover-side regulating rib main body 421 is formed by a rib having a depression concentric with the depression of the main body-side regulating rib 321 when the protector main body 30 and the cover 40 are attached, and the width of the cover-side regulating rib main body 421 is The length along the direction Y is formed so that the width becomes narrower toward the tip.

The cover-side fitting portion 422 protruding from the cover-side restricting rib main body 421 is formed by a rib having a depression concentric with the height direction fitting portion 323, and the length along the width direction Y increases toward the tip. It is formed to be narrow.
The circumferential length of the inner portion of the cover-side fitting portion 422 is formed shorter than the circumferential length at which the joint portions 13 of the corrugated tube 10 are separated from each other in the circumferential direction (Fig. 7(c) )reference).

The engaging claw 43 is provided so as to be able to be inserted through the engaging hole 343 at a position corresponding to the engaged portion 34 .
The engaging claw 43 is composed of a plate-like engaging claw main body 431 extending from the cover side wall portion 412 and a claw portion 432 projecting outward in the width direction Y from the tip of the engaging claw main body 431. there is

Therefore, when the cover portion 40 closes the opening of the protector body portion 30 , the engaging claw main body 431 and the claw portion 432 are inserted through the engaging hole 343 and the claw portion 432 is caught by the engaging piece 342 . Thus, the opening of the protector body portion 30 can be closed by the cover portion 40 .

Next, a method of attaching the corrugated tube 10 to the protector body 30 and the cover 40 that constitute the protector 20 will be described with reference to FIGS. 6 and 7. FIG.
First, as shown in FIG. 6( a ), the corrugated tube 10 is attached to the protector main body 30 . Although not shown, the corrugated tube 10 may be attached to the protector main body portion 30 in a state in which the wire harness WH is inserted into the cylindrical corrugated tube 10, or the corrugated tube 10 may be attached to the protector main body portion 30. The wire harness WH may be inserted at an appropriate timing after being attached to the .

At this time, the location where the connecting portion 13 of the corrugated tube 10 is provided and the height direction fitting portion 323 of the protector main body portion 30 are not overlapped in the circumferential direction. Then, the corrugated structure is formed so that the connecting portions 13 do not interfere with the width direction fitting portions 324 , that is, so that the outer peripheral concave portions 12 provided between the connecting portions 13 pass through the width direction fitting portions 324 . The tube 10 is attached to the protector main body 30 so as to be moved toward the lower side Zd and fitted therein (see FIG. 6(b)).

As shown in FIG. 6B, the corrugated tube 10 includes a height direction fitting portion 323, which is a fitting portion 322 provided on the tip side in the mounting direction, and a fitting portion 323 provided in a direction perpendicular to the mounting direction. The width direction fitting portion 324 that is the joint portion 322 fits into the connecting portion 13 of the corrugated tube 10, thereby restricting rotation in the circumferential direction.

Since a slight gap is provided between each of the fitting portions 322 and the joint portion 13, unintended interference between the joint portion 13 of the corrugated tube 10 and the fitting portion 322 of the protector body portion 30 is prevented. By doing so, the corrugated tube 10 and the protector main body 30 can be easily attached.

Further, as shown in FIG. 6(c), since the height direction fitting portion 323 and the connecting portion 13 are formed so that the length in the circumferential direction becomes shorter toward the tip, the height direction The connecting portion 13 can be guided by the fitting portion 323 .

Then, as shown in FIG. 7, the cover portion 40 is attached to the corrugated tube 10 and the protector body portion 30 attached as shown in FIG. 6(b).
Further, as shown in FIG. 7( a ), the cover portion 40 is attached to the protector body portion 30 to which the corrugated tube 10 is attached by moving it toward the lower side Zd.

At this time, the cover-side fitting portion 422 of the cover-side restricting rib 42 provided on the cover portion 40 is inserted between the connecting portions 13 on the upper side Zu of the corrugated tube 10, and at the same time, the engaging claw 43 is engaged. The claw portion 432 is engaged with the engagement piece 342 by inserting it through the joint hole 343 , and the engaged portion 34 and the engagement claw 43 are engaged with each other.

At this time, as shown in FIG. 7C, since a slight gap is provided between the cover-side fitting portion 422 and the connecting portion 13, the connecting portion 13 of the corrugated tube 10 and the cover-side fitting portion are separated from each other. Unintended interference with 422 can be prevented, and the cover part 40 can be attached easily.

Then, the corrugated tube 10 is visually checked through the viewing opening 413 provided in the attached cover portion 40 to see that the protector 20 composed of the protector main body portion 30 and the cover portion 40 is fitted. be able to.

In addition, since the cover-side fitting portion 422 and the connecting portion 13 are formed so that the length in the circumferential direction becomes shorter toward the distal end, the cover-side fitting portion 422 can be guided by the connecting portion 13 . can.
By attaching the corrugated tube 10 and the protector body portion 30 and the cover portion 40 that constitute the protector 20 in this manner, the harness exterior structure 1 is configured.

The harness exterior structure 1 configured in this way can bend the corrugated tube 10 exposed from the protector 20 in a desired direction as shown in FIG.
At this time, when the corrugated tube 10 exposed from the protector 20 is bent as shown in FIG. It abuts and bends with the abutting point as a fulcrum.

In other words, in the corrugated tube 10, the portion of the corrugated tube 10 that is closer to the front end side Xf than the body-side regulating rib 321 and the cover-side regulating rib 42 that support the corrugated tube 10 is restrained from being deformed by the protector 20, and is substantially linearly regulated. Become.

In addition, when the corrugated tube 10 is bent, as shown in FIG. 8B, the radially outer sides of the outer peripheral protrusions 11 separating the outer peripheral recesses 12 along the axial direction on the radially inner side in the bending direction. While deforming so as to approach each other, the radially inner sides of the outer peripheral concave portions 12 separating the outer peripheral convex portion 11 are deformed so as to be separated from each other.

Further, on the radially outer side of the corrugated tube 10 in the bending direction, the outer peripheral convex portions 11 separating the outer peripheral concave portions 12 are deformed along the axial direction so that the radial outer sides thereof are separated from each other, and the outer peripheral concave portions separating the outer peripheral convex portions 11 are deformed. 12 deform|transform so that the radial inner side may space apart.

In the range where the connecting portion 13 is provided in the corrugated tube 10, as shown in FIG. The connecting portions 13 connect the outer peripheral concave portions 12 that separate the convex portions 11 .
For this reason, the range in which the connection part 13 was provided linearly regulates the flexible corrugated tube 10 .

The harness exterior structure 1 configured in this manner is as described above. A convex outer peripheral convex portion 11 along the circumferential direction and a concave outer peripheral concave portion 12 along the circumferential direction are alternately arranged in the axial direction. A protector main body 30 is provided to cover a part of the harness WH.

Four connecting portions 13 connecting axially adjacent outer peripheral convex portions 11 are provided in a predetermined length from the end portion of the corrugated tube 10 on the proximal side Xb along the circumferential direction. Further, the protector main body 30 has a groove-shaped protector main body 31 having an opening, and a corrugated connecting part 32 for connecting the end of the corrugated tube 10 to the end of the protector main body 31 on the front end side Xf. is provided. In the harness exterior structure 1, the end of the corrugated tube 10 on the side where the connecting portion 13 is provided is connected to the corrugated connecting portion 32, and the corrugated tube 10 and the protector main body portion 30 are connected in the axial direction. The corrugated tube 10 and the protector main body part 30 can be reliably connected to a part of the harness WH.

More specifically, the connecting portion 13 is provided over a predetermined length from the end of the corrugated tube 10 on the proximal side Xb of the corrugated tube 10 connected to the corrugated connecting portion 32 provided on the protector main body 31 of the protector main body 30 . The bending direction of the corrugated tube 10 having flexibility is regulated in the range where the connecting portion 13 is provided.

In the corrugated tube 10 whose bending direction is regulated, the outer peripheral convex portions 11 provided across the outer peripheral concave portion 12 are connected along the axial direction by the connecting portion 13, and the corrugated tube 10 is bent in the direction in which the corrugated tube 10 is bent. When the external force acts, the connecting portion 13 restricts the proximity of the outer peripheral convex portions 11 connected by the connecting portion 13 on the radially inner side of the corrugated tube 10 in the bending direction.

Furthermore, since the connecting portion 13 that connects the outer peripheral convex portions 11 is formed integrally with the corrugated tube 10, the outer peripheral convex portions 11 connected by the connecting portion 13 are not separated from each other on the outer side of the corrugated tube 10 in the bending direction. , is regulated by the connecting portion 13 .

Thereby, bending of the corrugated tube 10 in the direction from the central axis of the corrugated tube 10 toward the connecting portion 13 and in the direction from the connecting portion 13 toward the central axis of the corrugated tube 10 can be restricted.

In this way, by restricting the bending of the end of the corrugated tube 10 on the side connected to the corrugated connecting portion 32 by the connecting portion 13, the corrugated tube 10 can be unintentional bending can be prevented.

Therefore, the corrugated tube 10 is prevented from being unintentionally bent at the connecting portion connected to the corrugated connecting portion 32, the corrugated tube 10 is deformed at the connecting portion, and the connection between the corrugated connecting portion 32 and the corrugated tube 10 is released. can be prevented.
Therefore, it is possible to reliably connect the corrugated tube 10 and the protector main body 30 that are externally attached to a part of the wire harness WH.

Further, the corrugated connecting portion 32 is provided with a body-side restricting rib 321 that is fitted into the outer peripheral recessed portion 12 of the corrugated tube 10 and restricts the corrugated tube 10 from being pulled out in the axial direction.
As a result, the axial movement of the corrugated tube 10 with respect to the protector body 30 can be restricted by fitting the body-side restriction rib 321 into the outer peripheral recess 12, and the corrugated tube 10 moves in the axial direction with respect to the protector body 30. Relative movement along the direction can be prevented. That is, by preventing the corrugated tube 10 from slipping out of the protector main body 30 in the axial direction, the corrugated tube 10 and the protector main body 30 can be connected more reliably.

Further, a fitting portion 322 that fits the connecting portion 13 in a concave-convex manner is provided on the body-side restricting rib 321 .
As a result, the connecting portion 13 provided on the corrugated tube 10 and the fitting portion 322 can be engaged with each other in a concave-convex manner, and the corrugated tube 10 can be reliably prevented from slipping out by the body-side restricting ribs 321 .

Furthermore, by fitting the connecting portion 13 and the fitting portion 322 in a concave-convex manner, the corrugated tube 10 can be restricted from moving in the circumferential direction with respect to the protector body portion 30 .
Since the circumferential movement of the corrugated tube 10 whose bending direction is restricted is restricted in this manner, the bending direction of the corrugated tube 10 with respect to the protector main body 30 can be reliably restricted in a desired direction.

Further, the fitting portion 322 includes a height direction fitting portion 323 provided on the tip side in the mounting direction in which the corrugated tube 10 is mounted to the corrugated connecting portion 32 .
As a result, when attaching the corrugated tube 10 to the corrugated connecting portion 32, the corrugated tube 10 can be moved toward the corrugated connecting portion 32 along the mounting direction (lower side Zd). The provided height direction fitting portion 323 and the connecting portion 13 are fitted together, so that the corrugated tube 10 and the protector main body portion 30 can be easily and reliably connected.

Further, the height direction fitting portion 323 is formed so as to become narrower toward the inner side in the radial direction of the corrugated tube 10 .
As a result, when the corrugated tube 10 is attached to the corrugated connecting portion 32, the connecting portion 13 of the corrugated tube 10 is guided by the height direction fitting portion 323, so that the corrugated tube 10 is attached to the corrugated connecting portion 32. It can be placed in any desired position. Therefore, the connecting portion 13 provided on the corrugated tube 10 and the height direction fitting portion 323 can be reliably fitted, and the corrugated tube 10 and the protector body portion 30 can be reliably connected.

In addition, from the body-side regulating rib 321 of the corrugated connecting portion 32, it extends toward the side where the connected corrugated tube 10 is arranged, and is spaced apart from the outer peripheral surface of the connected corrugated tube 10 by a predetermined distance. , a peripheral wall portion 33 facing both sides of the lower side Zd in the peripheral direction and the width direction Y is provided.

As a result, the corrugated tube 10 that bends due to the action of an external force can be supported by the extending peripheral wall portion 33 .
Since the corrugated tube 10 is supported by the peripheral wall portion 33, when the portion of the corrugated tube 10 exposed from the peripheral wall portion 33 is bent, the corrugated tube 10 is positioned at the end of the peripheral wall portion 33 on the distal side Xf. Since it bends while contacting, bending of the corrugated tube 10 is suppressed in the range supported by the peripheral wall portion 33 .

In other words, it is possible to suppress bending of the corrugated tube 10 from the portion where the body-side regulation rib 321 is fitted to the end portion of the peripheral wall portion 33, thereby reducing the load on the portion where the corrugated tube 10 is connected to the corrugated connecting portion 32. , deformation of the corrugated tube 10 at the connecting portion can be prevented, and the corrugated tube 10 can be prevented from coming off the corrugated connecting portion 32 .

In addition, the protector main body 30 is provided with a cover part 40 that closes the opening of the protector main body 31 formed in a groove shape. A viewing opening 413 for viewing the connected corrugated tube 10 is provided in a portion that closes the .

As a result, the opening of the protector main body 30 at the portion of the corrugated tube 10 where the corrugated connecting part 32 is provided can be covered, and the corrugated tube 10 can be prevented from unintentionally slipping out of the opening of the protector main body 31. Tube 10 and protector main body 30 can be reliably connected.

Furthermore, since the viewing opening 413 is provided, the connecting portion between the corrugated tube 10 and the corrugated connecting portion 32 can be visually observed from the outside, and the corrugated tube 10 and the protector body portion 30 are securely attached. , and can be closed with the cover portion 40 .

In addition, since the connecting portion 13 is arranged along the axial direction at a part of the corrugated tube 10 in the axial direction, bending of the corrugated tube 10 in an unintended direction is prevented over a desired range along the axial direction. can be suppressed.

In addition, since the connecting portions 13 arranged along the axial direction of the corrugated tube 10 are provided at four locations in the circumferential direction and are arranged at equal intervals in the circumferential direction, bending of the corrugated tube 10 is restricted. , the place where the connecting part 13 is provided in the corrugated tube 10 can be linearly regulated.

In addition, since the side surface of the connecting portion 13 in the circumferential direction is oriented at an angle of 90° or more with respect to the outer peripheral surface, the connecting portion 13 can be formed in a shape that guides the connecting portion 13 and the fitting portion 322 . can be fitted more easily and reliably.

In addition, since the peripheral outer surface of the connecting portion 13 is formed flush with the outer diameter of the outer peripheral convex portion 11 to which the connecting portion 13 connects, unintended interference between the corrugated tube 10 and the protector body portion 30 can be prevented. Damage to the tube 10 and the protector body 30 can be prevented.

The connecting portion 13 is provided in the outer peripheral concave portion 12 so as to connect the outer peripheral convex portions 11 adjacent in the axial direction, and the fitting portion 322 is configured to fit the connecting portion 13 .
As a result, in the outer peripheral recessed portion 12 of the corrugated tube 10, the connecting portion 13 formed so as to protrude radially outward, and the connecting portion 13 formed so as to protrude radially inward from a part of the body-side regulation rib 321 are provided. In other words, the corrugated tube 10 and the protector main body 30 are securely fitted to the connecting protrusion and the fitting recess by fitting the fitting part 322 provided so as to be partially recessed. can be connected securely.

In addition, since the fitting portion 322 is formed in a concave shape wider than the connecting portion 13 in the circumferential direction, the connecting convex portion can be easily connected to the fitting concave portion having a wide circumferential length. can be recessed and recessed.

In addition, the fitting portion 322 includes width direction fitting portions 324 provided on both sides in a direction orthogonal to the mounting direction in which the corrugated tube 10 is mounted on the corrugated connecting portion 32 .
As a result, when attaching the corrugated tube 10 to the corrugated connecting portion 32, the connecting portion 13 and the fitting portion 322 can be fitted simply by moving the corrugated tube 10 toward the corrugated connecting portion 32 along the mounting direction. Together, the corrugated tube 10 and the protector body 30 can be connected more easily and reliably.

(Second embodiment)
Further, in the first embodiment, the corrugated tube 10 is formed by filling the space between the outer peripheral convex portion 11 and the outer peripheral concave portion 12 that are continuous along the longitudinal direction X with the connecting portion 13, and the connecting portion 13 is provided. Although the thickness of the portion where the contact portion is formed is thicker than that of other portions, the thickness may be formed to be uniform as a whole.
Moreover, in the first embodiment, the connecting portion 13 is provided in a predetermined range from the end portion of the corrugated tube 10 on the proximal side Xb, but may be provided throughout the corrugated tube 10 .

A corrugated tube 10A having a uniform thickness and provided with connecting portions 13 over its entirety will be briefly described below with reference to FIG. However, among the configurations described below, the configurations similar to those of the harness exterior structure 1 of the first embodiment described above are denoted by the same reference numerals, and the description thereof is omitted.

FIG. 9 shows an explanatory view of the corrugated tube 10A, in detail, FIG. 9(a) shows a front view of the corrugated tube 10A, FIG. 9(b) shows a CC sectional view in FIG. 9(a), FIG. 9(c) shows a DD sectional view in FIG. 9(b).

In the corrugated tube 10A, convex outer peripheral protrusions 11 along the circumferential direction and concave outer peripheral recesses 12 along the circumferential direction are alternately arranged in the axial direction, and the corrugated tube 10A has a bellows cylindrical shape that is externally attached to a part of the wire harness WH. is formed in

A connecting portion 13A is provided over the entire length along the longitudinal direction X of the corrugated tube 10A to connect the radially outer ends of the outer peripheral convex portions 11 adjacent to each other in the axial direction.
As shown in FIG. 9B, the connecting portions 13A are provided at four locations radially at intervals of 90 degrees.

On the inner peripheral surface of the portion where the connecting portion 13A is provided, the outer peripheral recessed portions 12 are formed in a spaced apart state at intervals corresponding to the length of the connecting portion 13A in the circumferential direction.
As shown in FIG. 9(c), the corrugated tube 10A formed in this way has a straight cross-sectional shape formed by the connecting portion 13A and the outer peripheral convex portion 11, so that the corrugated tube 10A can be straightened. , and unintentional bending can be reliably prevented.

(Third embodiment)
Further, in the first embodiment, the corrugated tube 10 is formed by filling the space between the outer peripheral convex portion 11 and the outer peripheral concave portion 12 that are continuous along the longitudinal direction X with the connecting portion 13. It may be provided so as to connect the radially inner portions of the outer peripheral recessed portions 12 .

A harness exterior structure 1B having corrugated tubes 10B in which connecting portions 13B connect radially inner portions of outer peripheral recesses will be described below with reference to FIGS. 10 to 14 . However, among the configurations described below, the configurations similar to those of the harness exterior structure 1 of the first embodiment described above are denoted by the same reference numerals, and the description thereof will be omitted.

FIG. 10 shows an external perspective view of the harness exterior structure 1B, and FIG. 11 shows an exploded perspective view of the harness exterior structure 1B. 12 and 13 show explanatory diagrams of the corrugated tube 10B, and FIG. 14 shows an explanatory diagram of the protector body portion 30B.

Specifically, FIG. 12(a) shows a front view of the corrugated tube 10B, FIG. 12(b) shows a cross-sectional view of EE in FIG. 12(a), and FIG. 13(a) shows a 13(b) shows a cross-sectional view along GG in FIG. 13(a). 14(a) shows a left side view of the protector main body 30B, and FIG. 14(b) shows a plan view of the protector main body 30B.

As shown in FIG. 10, the harness exterior structure 1B is formed so that a wire harness WH wired to a vehicle (not shown) can be inserted.
As shown in FIGS. 10 and 11, the harness exterior structure 1B includes a substantially cylindrical corrugated tube 10B having a longitudinal direction along the longitudinal direction X and a substantially square tubular shape having a longitudinal direction along the longitudinal direction X. The corrugated tube 10B is formed with a protector 20B that is mounted on the base end side Xb of the corrugated tube 10B.

In the corrugated tube 10B, as shown in FIGS. 12 and 13, convex outer peripheral convex portions 11B along the circumferential direction and concave outer peripheral concave portions 12 along the circumferential direction are alternately arranged in the axial direction, and the wire harness WH is arranged. It is formed in a cylindrical shape that is partially covered.

The outer peripheral convex portion 11B is formed in a sector shape extending in four directions from the outer peripheral surface of the outer peripheral concave portion 12 formed in a cylindrical shape. (see FIG. 12(b)).

Between the outer peripheral protrusions 11B provided at a predetermined interval in the circumferential direction, it is provided flush with the outer peripheral surface of the outer peripheral recess 12, and the radial inner sides of the outer peripheral protrusions 11 are integrally along the circumferential direction. A continuous connecting portion 13B is provided (see FIG. 13(a)).

As shown in FIG. 13(b), the corrugated tube 10B formed in this way has a straight tubular cross-sectional shape formed by the connecting portion 13B and the outer peripheral recessed portion 12. Therefore, the corrugated tube 10B can be straightened. It can be regulated, and unintentional bending can be reliably prevented.

The protector 20B includes a protector main body portion 30B that is mounted on a part of the wire harness WH and is formed in a substantially concave shape in a cross-sectional view that opens toward the upper side Zu, and a cover portion 40 that closes the opening of the protector main body portion 30B so as to be openable and closable. (see FIG. 11).

As shown in FIG. 14, the protector main body 30 is provided inside the protector main body 31 and the end portion of the front end side Xf of the protector main body 31, and is substantially U-shaped in left side view connecting the end portion of the corrugated tube 10B. a corrugated connecting portion 32B, a peripheral wall portion 33 extending from the end of the protector main body 31 toward the tip side Xf, and a locked portion 34. As shown in FIG.

Four substantially U-shaped corrugated joints 32B are arranged along the longitudinal direction X at predetermined intervals from the end of the protector main body 31 on the distal side Xf toward the proximal side Xb.
The four corrugated connecting portions 32B are arranged at substantially the same intervals as the intervals at which the outer peripheral recesses 12 of the corrugated tube 10B are arranged along the longitudinal direction X. As shown in FIG.

The substantially U-shaped corrugated connecting portion 32B has a substantially semicircular connecting semicircular portion 325B whose lower side Zd is slightly larger in diameter than the outer peripheral concave portion 12 of the corrugated tube 10B, and the width of the connecting semicircular portion 325B. It is composed of a connection restricting portion 326B extending from both ends toward the upper side Zu, and a height direction fitting portion 323B projecting toward the upper side Zu from the central portion in the width direction Y of the connecting semicircular portion 325B.

The connection restricting portion 326B is arranged at a distance slightly wider than the outer diameter of the outer peripheral recessed portion 12, and the end portion of the upper side Zu is inclined toward the lower side Zd as it goes inward in the width direction Y. is formed to

The height direction fitting portion 323B is formed such that the end portion of the upper side Zu has an arc-shaped recess having approximately the same diameter as the outer peripheral recessed portion 12, and the width becomes narrower toward the upper side Zu. .
The length in the circumferential direction of the height direction fitting portion 323B is slightly shorter than the length by which the outer peripheral convex portions 11B are separated from each other in the circumferential direction.

In addition, since the height direction fitting portion 323B is formed such that the length along the longitudinal direction X is longer than the interval at which the outer peripheral convex portion 11B is arranged along the longitudinal direction X, the protector body portion 30B In the corrugated tube 10B attached to the corrugated tube 10B, the outer peripheral convex portion 11B and the height direction fitting portion 323B are unevenly fitted to restrict the circumferential rotation of the corrugated tube 10B.

In the harness exterior structure 1B configured as described above, the connecting portion 13B is provided so as to connect the outer peripheral recessed portions 12 and recess the outer peripheral convex portion 11B, and the height direction fitting portion 323B is provided so as to connect the outer peripheral recessed portions 12 to each other. It protrudes from the rib 321 along the longitudinal direction X of the axial direction, and is configured to fit with the connecting portion 13B.

As a result, in the outer peripheral convex portion 11B of the corrugated tube 10, the connecting portion 13B formed so as to be depressed radially inward and the height direction fitting portion 323B provided so as to protrude from the body-side restricting rib 321 are formed. By performing the concave-convex fitting, the connecting portion 13B and the height direction fitting portion 323B can be reliably fitted, and the corrugated tube 10 and the protector body portion 30 can be reliably connected.

In addition, since the height direction fitting portion 323B is formed in a convex shape with a width narrower than the circumferential length of the connecting portion 13B, the fitting convex portion with a narrow circumferential length Therefore, it is possible to easily fit the connecting concave portion into the concave and convex portions.

In correspondence with the configuration of this invention and the above-described embodiments,
The harness exterior structure of the present invention corresponds to the harness exterior structure 1 and the harness exterior structure 1B of the embodiment,
and so on,
The outer peripheral protrusion corresponds to the outer peripheral protrusion 11 and the outer peripheral protrusion 11B,
The outer peripheral recess corresponds to the outer peripheral recess 12, the wire harness corresponds to the wire harness WH,
Corrugated corresponds to corrugated tube 10, corrugated tube 10A and corrugated tube 10B,
The protector corresponds to the protector main body 30,
The connecting portion corresponds to the connecting portion 13, the connecting portion 13A and the connecting portion 13B,
The protector main body corresponds to the protector main body 31,
The corrugated joint corresponds to the corrugated joint 32 and the corrugated joint 32B, but the present invention is not limited to the configurations of the above-described embodiments, and many embodiments can be obtained.

For example, in the present embodiment, the corrugated tube 10 has a circular cross-sectional shape. good too.

In the present embodiment, the connecting portion 13 and the connecting portion 13A connect the outer peripheral convex portions 11 to each other, and the connecting portion 13B connects the outer peripheral concave portions 12 to each other. At least one of the portion 13A and the connecting portion 13B may be provided.

In addition, each of the connecting portion 13, connecting portion 13A, and connecting portion 13B is continuously provided along the longitudinal direction X over a predetermined range from the end of the base end side Xb. It may be intermittently provided along.
Moreover, although the connecting part 13 is formed integrally with the corrugated tube 10 , a separate body may be provided so as to fit on the outer peripheral recessed part 12 .

In addition, in the present embodiment, the connecting portions 13 are provided at four locations at equal intervals along the circumferential direction, but are not limited to this, and may be provided at one location or at a plurality of locations. Further, the connecting portions 13 are provided continuously along the longitudinal direction X, but may be intermittently provided along the longitudinal direction X.
Thereby, the bending direction of the corrugated tube 10 can be regulated in a desired direction.

1, 1B... Harness exterior structure,
10, 10A, 10B... Corrugated tube 11, 11B... Outer peripheral convex part 12... Outer peripheral concave part 13, 13A, 13B... Connecting parts 30, 30B... Protector part 31... Protector body 32, 32B... Corrugated connecting part 33... Peripheral wall part 40... Cover portion 322 Fitting portions 323, 323B Height direction fitting portion 324 Width direction fitting portion 413 Visual opening WH Wire harness

Claims (17)

It has a cylindrical corrugate in which circumferentially protruded outer peripheral protrusions and circumferentially recessed outer peripheral recesses are alternately arranged in the axial direction, and a protector body formed in a groove shape having an opening. A protector is provided, and
A harness exterior structure in which an end portion of the corrugate is connected to a corrugate connecting portion provided in the protector body, and a wire harness is inserted through the communicating corrugate and the protector,
A connecting portion that connects at least one of the outer peripheral convex portions and the outer peripheral concave portions that are adjacent to each other in the axial direction is provided in a part of the circumferential direction in a portion of the corrugate that is connected to at least the corrugated connecting portion. Harness exterior structure. At the corrugated joint,
2. The harness exterior structure according to claim 1, further comprising a restricting rib that is fitted into the outer peripheral recess of the corrugate and restricts withdrawal of the corrugate in the axial direction. 3. The harness exterior structure according to claim 2, wherein the restricting rib is provided with a fitting portion that engages with the connecting portion. 4. The harness exterior structure according to claim 3, wherein the fitting portion is provided on a front end side in a mounting direction in which the corrugate is mounted on the corrugated connecting portion. 5. The harness exterior structure according to claim 3, wherein the fitting portion is formed so that the width of the fitting portion becomes narrower toward the inner side in the radial direction of the corrugate. Extending from the regulating rib in the corrugated connecting portion toward the side on which the connected corrugates are arranged, and keeping a predetermined distance from the outer peripheral surface of the connected corrugates, one in the circumferential direction 6. The harness exterior structure according to any one of claims 3 to 5, wherein a peripheral wall portion facing the portion is provided. The protector is provided with a cover portion that closes an opening of the protector body formed in a groove shape,
The harness exterior structure according to any one of claims 3 to 6, wherein an opening through which the connected corrugates are visible is provided in a portion of the cover portion that closes the corrugated connecting portions. The harness exterior structure according to any one of claims 3 to 7, wherein the connecting portion is arranged along the axial direction in at least a portion of the corrugate in the axial direction. The harness exterior structure according to any one of claims 3 to 8, wherein the connecting portions arranged along the axial direction of the corrugate are provided at a plurality of locations in the circumferential direction. The harness exterior structure according to claim 9, wherein the connecting portions provided at a plurality of locations in the circumferential direction of the corrugate are arranged at equal intervals in the circumferential direction. 11. The harness exterior structure according to any one of claims 3 to 10, wherein the circumferential side surface of the connecting portion is formed at an angle of 90° or more with respect to the circumferential outer surface. The harness exterior according to any one of claims 3 to 11, wherein a peripheral outer surface of the connecting portion is formed to be flush with an outer diameter of the outer peripheral convex portion or the outer peripheral concave portion to which the connecting portion connects. structure. The connection part
The outer peripheral concave portion is configured with a connecting protrusion provided so as to connect the outer peripheral convex portions adjacent in the axial direction,
13. The harness exterior structure according to any one of claims 3 to 12, wherein the fitting portion comprises a fitting recess into which the connecting projection fits. 14. The harness exterior structure according to claim 13, wherein a circumferential length of said fitting concave portion is formed in a concave shape wider than a circumferential length of said connecting convex portion. The harness exterior structure according to claim 13 or 14, wherein the fitting portions are provided on both sides in a direction orthogonal to a mounting direction of mounting the corrugate to the corrugate connecting portion. The connection part
Consists of connecting recesses for recessing the outer peripheral protrusions so as to connect the outer peripheral recesses,
16. The fitting part according to any one of claims 3 to 15, wherein the fitting part is configured by a fitting convex part that protrudes in at least one direction in the axial direction from the restricting rib and fits with the connecting recess. Harness exterior structure. 17. The harness exterior structure according to claim 16, wherein a circumferential length of said fitting convex portion is formed in a convex shape narrower than a circumferential length of said connecting concave portion.

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