JP2017158283A - Corrugated tube with clip and wiring harness with the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a corrugated tube with clip which is capable of selectively fixing a clip at any position of a corrugated tube body and maintains engagement of the corrugated tube and the clip for a long time without deviation, and a wiring harness with the same.SOLUTION: Multiple covered conductors 2 and a corrugated tube 3 with clip are provided. The corrugated tube 3 with clip includes a corrugated tube body 4 and a clip 8. The clip 8 includes a bisected lock cylinder part 9 and a clip body 15 provided in one half cylindrical body 10. In the lock cylinder part 9, two half cylindrical bodies 10 and 11 are covered by multiple annular projected surface parts 5 of the corrugated tube body 4, multiple lock projections 20 are provided at equal arrangement intervals in a circumferential direction on the annular projected surface parts 5, multiple lock recesses 21 are provided in the lock cylinder part 9 so as to be matched and correspondent to the array of the lock projections 20 provided on the annular projected surface parts 5, and engaged with the lock projections 20.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a corrugated tube with a clip that can be provided with a clip at a desired position in a longitudinal direction and a circumferential direction of a corrugated tube main body that covers a covered electric wire that is routed in a vehicle, and a wire harness that uses the clip.

  Conventionally, a corrugated tube 30 with a band clip as shown in FIG. 7, for example, is generally used to perform routing control on a corrugated tube that covers a covered electric wire that is generally routed in a vehicle. Yes.

  The corrugated tube 30 with a band clip includes a corrugated tube 31 that covers the covered electric wire W and a band clip 32 that tightens the outer peripheral surface of the corrugated tube 31. A band clip is provided in the mounting hole H provided in the vehicle panel P. It is the structure which attaches 32 clip parts 32b.

  The band clip 32 is positioned at a desired position in the longitudinal direction of the corrugated tube 31 and the clip portion 32b is desired in the circumferential direction from the relative positional relationship between the corrugated tube 31 and the mounting hole H provided in the vehicle body panel P. Positioning is restricted in position.

  However, in this corrugated tube 30 with a band clip, even if the band portion 32 a is tightly tightened to the corrugated tube 31, the clip portion 32 b of the band clip 32 may be displaced in the circumferential direction of the corrugated tube 31. .

  Therefore, conventionally, a corrugated tube that can provide a band clip at a desired position in the longitudinal direction and the circumferential direction of the corrugated tube and that prevents the clip from being displaced in the circumferential direction of the corrugated tube or a clamp that clamps the corrugated tube has been proposed. (For example, Patent Document 1).

  In the corrugated tube described in Patent Document 1, the outer peripheral portion of the ridge ring portion is formed as a saw blade-shaped pawl projection portion in which ridges and recesses are alternately arranged in the circumferential direction.

JP-A-7-123565

  However, what is described in Patent Document 1 may be displaced in the circumferential direction of the corrugated tube depending on how it is attached. For example, the band clip may be attached to the corrugated tube obliquely upward in the circumferential direction, for example, and the band clip may be attached to an attachment hole provided in a vertical vehicle body panel. In such a case, a large force to move in the circumferential direction of the corrugated tube acts on the clip for a long period of time, and even if the band clip is tightened to the corrugated tube, There has been a problem that the tube is displaced in the circumferential direction.

  The present invention has been made in view of the above-described problems, and can selectively fix the clip to an arbitrary position of the corrugated tube main body, and can maintain the corrugated tube and the clip for a long period of time without shifting. It aims at providing a corrugated tube with a clip and a wire harness provided with the same.

  The corrugated tube with a clip according to the first invention includes a corrugated tube main body in which a basic shape in which an annular convex surface portion and an annular concave surface portion are integrally connected by a conical surface portion is repeatedly arranged in a cylinder axis direction in order to solve the above-described problem. A clip with a clip fitted and fixed to the corrugated tube main body, wherein the clip is provided on one of the semi-cylindrical body and the locking cylinder portion to be fitted and fixed A clip main body, and the locking cylinder portion is engaged with each other so that two semi-cylindrical bodies cover a plurality of annular convex surface portions of the corrugated tube main body, and the locking convex portion is A plurality of annular convex surface portions of the corrugated tube main body are provided in a circumferentially equidistant manner, and a locking concave portion that engages with the locking convex portion is provided in the annular convex surface portion. With the locking tube portion so as to match corresponding to the sequence of Kigakari convexed latch portion is configured to provided a plurality.

  A corrugated tube with a clip according to a second aspect of the present invention is a corrugated tube main body in which a basic shape in which an annular convex surface portion and an annular concave surface portion are integrally connected by a conical surface portion is repeatedly arranged in the cylinder axis direction in order to solve the above problems A clip with a clip fitted and fixed to the corrugated tube main body, wherein the clip is provided on one of the semi-cylindrical body and the locking cylinder portion to be fitted and fixed A clip body, and the locking cylinder part is engaged with each other in a cylindrical shape covering two semi-cylindrical bodies on the plurality of annular convex surface parts of the corrugated tube body, A plurality of annular convex surface portions of the corrugated tube main body are provided in a circumferentially equidistant manner, and one locking convex portion that engages with the locking concave portion is provided in the locking cylinder portion. If they were, or in response to a sequence of said locking recess is configured to multiply provided.

  The corrugated tube with clip according to the first and second inventions is different only in that the locking concave portion and the locking convex portion are provided reversely between the corrugated tube main body and the clip.

  With the above-described configuration, the corrugated tube with clip according to the first and second inventions includes a clip having a locking cylinder portion formed of two semi-cylindrical bodies in place of the conventional band clip. When the two semi-cylindrical bodies are engaged with each other in accordance with the cylindrical shape covering the plurality of annular convex portions of the corrugated tube main body, the engaging concave portion and the engaging convex portion are engaged between the corrugated tube main body and the clip. Since it is a configuration, it is possible to meet the requirement of selectively fixing the clip to an arbitrary position of the corrugated tube body from the relative positional relationship between the corrugated tube body and the mounting hole provided in the vehicle body panel. In addition, the engagement between the corrugated tube and the clip is maintained for a long period of time without shifting.

  According to the present invention, a clip can be selectively fixed to an arbitrary position of a corrugated tube body, and a corrugated tube with a clip that can be maintained over a long period of time without disengagement between the corrugated tube and the clip. The provided wire harness can be provided.

It is a front view showing a corrugated tube with a clip concerning a 1st embodiment of the present invention, and a wire harness provided with this. It is the partially expanded front view which shows the principal part of the corrugated tube with a clip which concerns on the 1st Embodiment of this invention, and a wire harness provided with the same. It is AA sectional drawing in FIG. It is a front view which shows the corrugated tube with a clip concerning a 2nd embodiment of the present invention, and a wire harness provided with the same. It is the partially front sectional expanded front view which shows the principal part of the corrugated tube with a clip which concerns on the 2nd Embodiment of this invention, and a wire harness provided with the same. It is BB sectional drawing in FIG. It is a front view which shows the corrugated tube with a clip concerning a prior art example, and a wire harness provided with the same.

  Hereinafter, a corrugated tube with a clip and a wire harness according to embodiments of the present invention will be described with reference to the drawings.

[First Embodiment]
The configurations of the wire harness and the corrugated tube with clip according to the first embodiment will be described.

  As shown in FIGS. 1 to 3, the wire harness 1 includes a plurality of covered electric wires 2 and a corrugated tube 3 with a clip. The corrugated tube 3 with a clip includes a corrugated tube main body 4 that covers the plurality of covered electric wires 2, and a clip 8 that holds the corrugated tube main body 4 and is attached to an attachment hole H provided in the vehicle panel P.

  The corrugated tube body 4 is a bellows-shaped resin molded body made of a resin such as polypropylene and capable of being bent. Specifically, the corrugated tube main body 4 has a trapezoidal one-side cross-sectional shape in the cylinder axis direction because the basic shape in which the annular convex surface part 5 and the annular concave surface part 6 are integrally connected by the conical surface part 7 is repeatedly arranged in the cylinder axis direction. Wavy.

  The clip 8 is a resin molded body made of a resin such as polypropylene, and has a locking cylinder portion 9 fitted to the corrugated tube body 4 and a mounting hole provided integrally with the locking cylinder portion 9 and provided in the vehicle panel P. A clip body 15 to be attached to H.

  The locking cylinder portion 9 includes two semi-cylindrical bodies 10 and 11, a hinge 12 that integrally connects one ends of the two semi-cylindrical bodies 10 and 11, and the other ends of the two semi-cylindrical bodies 10 and 11. A locking convex portion 13 and a locking concave portion 14 for closing and locking the two semi-cylindrical bodies 10 and 11 provided by distributing them to each other end so as to form a cylinder. Yes. The locking convex portion 13 and the locking concave portion 14 may be provided on either of the semi-cylindrical bodies 10 and 11.

  The locking cylinder portion 9 is covered so that the two semi-cylindrical bodies 10 and 11 are in close contact with the plurality of annular convex surface portions 5 of the corrugated tube body 4, and the locking convex portion 13 and the locking concave portion 14 are locked. The corrugated tube body 4 is held.

  The clip body 15 includes a flange 16 provided integrally with the middle of the semi-cylindrical body 10, a column 17 extending from the center of the flange 16, and an anchor portion 18 extending from the tip of the column 17 toward the flange 16. And have. The clip body 15 is attached to an attachment hole H provided in the vehicle panel P so that the flange 16 and the anchor portion 18 sandwich the vehicle panel P when being routed to the vehicle.

  The corrugated tube main body 4 and the clip 8 are fixed to each other by engaging a locking convex portion 20 provided on the corrugated tube main body 4 and a locking concave portion 21 provided on the clip 8 with each other.

  A plurality of locking projections 20 are provided in a circumferentially equidistant manner on all the annular convex surface portions 5 of the corrugated tube body 4. A plurality of locking recesses 21 are provided so as to be fitted to a plurality of locking protrusions 20 provided on the annular convex surface portion 5. That is, the latching convex part 20 and the latching concave part 21 are provided so that arrangement | sequence may correspond. In this embodiment, the locking projection 20 and the locking recess 21 are provided, for example, in an arrangement in which the central angle is equally divided into six in the circumferential direction every 60 degrees.

  Next, the operation of the wire harness 1 and the corrugated tube 3 with clip described above will be described.

  The clip 8 is attached to the corrugated tube main body 4 by the relative positional relationship between the corrugated tube main body 4 and the clip 8 covering the plurality of covered electric wires 2 with respect to the position of the mounting hole H provided in the vehicle panel P. Therefore, the clip 8 is not limited to the central position in the length direction with respect to the corrugated tube main body 4, and the anchor portion 18 is positioned in the circumferential direction of the corrugated tube main body 4 at various positions shifted to the right side or the left side from the central position. Which location is used depends on the vehicle.

  With respect to this condition, in the clip 8 according to the present embodiment, the locking cylinder portion 9 is configured by two semi-cylindrical bodies 10 and 11, and the two semi-cylindrical bodies 10 and 11 are a plurality of corrugated tube main bodies 4. Since the engagement projection 20 and the engagement recess 21 are engaged between the corrugated tube body 4 and the clip 8 when they are engaged with each other in accordance with the cylindrical shape covering the annular convex surface portion 5, the corrugated tube Since it can be attached to any position in the length direction of the main body 4 and can be attached to any position in the circumferential direction, the engagement between the locking projection 20 and the locking recess 21 does not come off. The position and posture of the clip 8 with respect to the corrugated tube main body 4 can be maintained, and good wiring regulation can be performed.

  As described above, in the wire harness 1 and the corrugated tube 3 with the clip according to the first embodiment, the locking cylinder portion 9 is composed of the two semi-cylindrical bodies 10, 11, 11 engage with each other in accordance with the cylindrical shape covering the plurality of annular convex portions of the corrugated tube main body 4, the engaging convex portion 20 and the engaging concave portion 21 are engaged between the corrugated tube main body 4 and the clip 8. The clip 8 is selectively fixed to any position and any posture of the corrugated tube main body 4 based on the relative positional relationship between the corrugated tube main body 4 and the mounting hole provided in the vehicle body panel. Therefore, the engagement between the corrugated tube 4 and the clip 8 can be maintained for a long time without shifting.

[Second Embodiment]
With reference to FIGS. 4-6, the structure of 1 A of wire harnesses and the corrugated tube 3A with a clip concerning 2nd Embodiment is demonstrated. In the second embodiment, the same components as those in the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted. In particular, the configuration different from the first embodiment is mainly described. explain.

  The wire harness 1A includes a plurality of covered electric wires 2 and a corrugated tube 3A with a clip. The corrugated tube with clip 3 </ b> A includes a corrugated tube main body 4 that covers the plurality of covered electric wires 2, and a clip 8 that holds the corrugated tube main body 4 and is attached to an attachment hole H provided in the vehicle panel P.

  The corrugated tube main body 4 and the clip 8 are fixed to each other when the engaging concave portion 22 provided in the corrugated tube main body 4 and the engaging convex portion 23 provided in the clip 8 are engaged with each other. A plurality of locking recesses 22 are provided in a circumferentially equidistant manner on all the annular convex surface portions 5 of the corrugated tube body 4. A plurality of locking projections 23 are provided so as to be fitted to a plurality of locking projections 22 provided on the annular convex surface portion 5. In other words, the locking recess 22 and the locking projection 23 are provided so that their arrangements coincide.

  In the first embodiment and the second embodiment, the method of providing the locking projection and the locking recess is only reversed.

  As described above, the wire harness 1 </ b> A and the clip-corrugated tube 3 </ b> A according to the second embodiment have a cylindrical shape in which the two semicylindrical bodies 10 and 11 cover the plurality of annular convex portions of the corrugated tube body 4. When they are engaged with each other, the locking recess 22 and the locking projection 23 are engaged between the corrugated tube main body 4 and the clip 8. It is possible to meet the requirement of selectively fixing in any posture, and the engagement between the corrugated tube 4 and the clip 8 is maintained for a long period without shifting.

[Modification of Second Embodiment]
In the second embodiment, the locking concave portion 22 provided on the annular convex surface portion 5 of the corrugated tube body 4 and the locking convex portion 23 provided on the locking cylinder portion 9 of the clip 8 are engaged with each other. Accordingly, since the corrugated tube body 4 and the clip 8 are fixed to each other, only one locking convex portion 23 may be provided in the locking cylinder portion 9.

  Even when the clip 8 is selectively fixed at any position and any position on the corrugated tube body 4, only one locking projection 23 is provided on any one corresponding locking recess 22. In this case, the other locking recess 22 does not interfere with this engagement. When two or more locking projections 23 are provided, the arrangement of the locking recesses 22 and the arrangement of the locking projections 23 coincide with each other so that the locking recesses 22 provided on the corrugated tube body 4 are fitted. Need to be. In this embodiment, the locking concave portion 22 and the locking convex portion 23 are provided, for example, in an arrangement in which the central angle is equally divided into six in the circumferential direction every 60 degrees.

  On the other hand, in 1st Embodiment, the latching convex part 20 provided in the cyclic | annular convex surface part 5 of the corrugated tube main body 4 and the latching recessed part 21 provided in the latching cylinder part 9 of the clip 8 are comprised. Since they are fixed to each other by being engaged with each other, if only one locking recess 21 is provided in the locking cylinder 9, another locking projection 20 that does not correspond to the locking recess 21 is provided. Will come into contact with the locking cylinder portion 9, so that only one locking recess 21 will not fit into the corresponding locking projection 20. That is, in the first embodiment, a configuration in which only one locking recess 21 is provided in the locking cylinder portion 9 is excluded.

  According to the present invention, the clip can be selectively fixed at an arbitrary position of the corrugated tube main body, and the clip has an effect that the engagement between the corrugated tube and the clip is maintained for a long time without shifting. It is useful for corrugated tubes with wires and wire harnesses provided with the same.

DESCRIPTION OF SYMBOLS 1,1A Wire harness 2 Coated electric wire 3,3A Corrugated tube with a clip 4 Corrugated tube main body 5 Annular convex surface part 6 Annular concave surface part 8 Clip 9 Locking cylinder part 15 Clip main body 10,11 Semi-cylindrical body 20,23 Locking convex part 21, 22 Locking recess H Mounting hole P Vehicle panel

Claims (3)

A corrugated tube body in which a basic shape in which an annular convex surface portion and an annular concave surface portion are integrally connected at a conical surface portion is repeatedly arranged in the cylinder axis direction;
A clip that is fitted and fixed to the corrugated tube body, and a corrugated tube with a clip,
The clip has a locking cylinder portion to be fitted and fixed, and a clip body provided on one of the semi-cylindrical bodies,
The locking cylinder portion is engaged with each other in accordance with a cylindrical shape covering two semi-cylindrical bodies on a plurality of annular convex surface portions of the corrugated tube body,
A plurality of locking projections are provided on all annular convex portions of the corrugated tube body in a circumferentially equidistant manner, and a locking concave portion that engages with the locking projections is provided on the annular convex portion. A corrugated tube with a clip, wherein a plurality of the locking cylinders are provided so as to correspond to the arrangement of the locking projections. A corrugated tube body in which a basic shape in which an annular convex surface portion and an annular concave surface portion are integrally connected at a conical surface portion is repeatedly arranged in the cylinder axis direction;
A clip that is fitted and fixed to the corrugated tube body, and a corrugated tube with a clip,
The clip has a locking cylinder portion to be fitted and fixed, and a clip body provided on one of the semi-cylindrical bodies,
The locking cylinder portion is engaged with each other in accordance with a cylindrical shape covering two semi-cylindrical bodies on a plurality of annular convex surface portions of the corrugated tube body,
A plurality of locking recesses are provided on all annular convex surface portions of the corrugated tube main body in a circumferentially equidistant manner, and one locking projection engaging with the locking recess is provided in the locking cylinder portion. A corrugated tube with a clip, wherein a corrugated tube is provided, or a plurality of corrugated tubes are provided corresponding to the arrangement of the locking recesses.   A wire harness comprising: a plurality of covered electric wires; and the corrugated tube with a clip according to claim 1 or 2 that covers the plurality of covered electric wires.

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