JP2012229779A - Retainer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a retainer capable of surely retaining a corrugated tube wound with a tape.SOLUTION: The retainer 10 retains the corrugated tube 30 inserted with an electric wire 33 and wound with the tape 24 around an outer periphery, and includes a pair of pinching members 11, 12 sandwiching the corrugated tube 30 wound with the tape 24. Facing faces 14A, 14B facing the outer periphery surface of the corrugated tube 30 in the respective pinching members 11, 12 are formed with projected rims 15A, 15B which are extended in the circumferential direction and fitted into a groove 32 on the outer periphery surface of the corrugated tube 30. The projected rims 15A, 15B are provided with cutting blades 18 cutting the tape 24 by rotating the retainer 10.

Description

  The present invention relates to a holder.

Conventionally, a holder for holding a wire harness routed to a vehicle in a predetermined position is known.
As shown in Patent Document 1, this type of holder includes a semicircular arc shaped mounting member and a semicircular arc shaped holding member connected to the mounting member via a hinge portion so as to be opened and closed. In the wire harness held by the holder, an electric wire is inserted through the corrugated tube (FIG. 3), and the corrugated tube is sandwiched between the mounting member and the holding member and held at a predetermined position.

  Here, ribs corresponding to the grooves on the outer peripheral surface of the corrugated tube are provided on the inner surfaces of the mounting member and the holding member, and the ribs fit into the grooves on the outer surface of the corrugated tube to prevent slippage in the axial direction. Has been.

Japanese Utility Model Publication No. 6-43309

  By the way, when inserting an electric wire into a corrugated tube, for example, a slit-like cut extending in the extending direction of the corrugated tube is provided, and the electric wire can be inserted into the corrugated tube by opening the cut. In this case, a tape is wound around the outer periphery of the corrugated tube for separation from the break of the electric wire, waterproofing, and the like.

  Here, when attaching a holder like patent document 1 to the corrugated tube around which such a tape was wound, the corrugated tube in a state where the tape is wound is sandwiched between the mounting member and the holding member. However, if the tape is wound around the corrugated tube in this way, the rib formed on the inner surface of the mounting member or holding member for this tape cannot be sufficiently fitted into the groove on the outer peripheral surface of the corrugated tube. There is a concern that the corrugated tube may not be sufficiently prevented from slipping in the axial direction. Although it is conceivable that the tape is not wound around the portion of the corrugated tube to which the holder is to be attached, in this case, work such as cutting or rewinding of the tape is required, which increases the number of work steps, which is not desirable.

  This invention is completed based on the above situations, Comprising: It aims at providing the holder which can hold | maintain the corrugated tube around which the tape was wound reliably.

  The present invention is a holder for holding a corrugated tube around which an electric wire is inserted and a tape is wound around an outer periphery, and includes a pair of clamping members that sandwich the corrugated tube around which the tape is wound, and the pair of clamping members Among them, a protrusion that extends in the circumferential direction and fits into a groove portion of the outer peripheral surface of the corrugated tube is formed on the opposing surface that faces the outer peripheral surface of the corrugated tube. It is characterized in that a cutting blade for cutting the tape by rotating the tape is provided.

  According to this configuration, when the holder is rotated, the cutting blade cuts the tape, whereby the ridge can be fitted to the inside of the tape in the groove portion. Thereby, even if the tape is wound around the corrugated tube, the corrugated tube can be reliably held by the holder.

The following configuration is preferable as an embodiment of the present invention.
The cutting blade has a shape with a sharp tip.
If it does in this way, when pinching with a pinching member, it will become easy to pierce a tape with the tapering tip.

The ridge provided with the cutting blade is formed at the bottom of the facing surface.
If it does in this way, since it will be easy to produce strong force about the bottom part of an opposing surface among each clamping member, when a corrugated tube is pinched with a pair of clamping members, it is by the cutting blade of the ridge formed in this bottom part. It becomes easy to break through the tape.

A plurality of the protrusions are formed on the clamping member.
In this way, the tape can be easily cut.

The ridge is composed of a short ridge having a short length in the circumferential direction and a long ridge that is longer in the circumferential direction than the short ridge.
If it does in this way, since the intensity | strength of a protrusion will become high with respect to a long protrusion, the corrugated tube can be positioned reliably in an axial direction. Moreover, about a short protrusion, the cutting | disconnection of a tape can be made easy.

The said protrusion is formed over the whole in the circumferential direction of the said opposing surface, and the said cutting blade is formed over the whole in the circumferential direction of the said protrusion.
If it does in this way, it will become possible to cut a tape, reducing the rotation angle of a holder.

One of the pair of clamping members is provided with a locked portion, and the other is provided with a locking portion that is locked to the locked portion with the corrugated tube being sandwiched. The tape can be cut by rotating the holder in a state in which the locking portion is locked to the locking portion.
If it does in this way, since the position of a pair of clamping members can be fixed in the case of rotation of a holder, the cutting operation of a tape becomes easy.

The pair of clamping members are connected by a hinge portion having flexibility.
In this way, since the pair of clamping members are integrated by the hinge portion, workability can be improved.

  According to the present invention, the corrugated tube around which the tape is wound can be securely held by the holding tool.

The perspective view which shows the holder of the state which opened the pair of clamping member of Embodiment 1. The top view which shows the holder of the state which opened a pair of clamping member The front view which shows the holder of the state which opened a pair of clamping member AA sectional view of FIG. BB sectional view of FIG. Left side view showing the holder with the pair of clamping members open The right view which shows the holder of the state which opened a pair of clamping member The bottom view which shows the holder of the state which opened a pair of clamping member The figure which shows the state which attached the holder to the corrugated tube The figure which shows the state which rotated the holder Sectional drawing which shows the state by which the protrusion was inserted in the groove part CC sectional view of FIG.

<Embodiment 1>
Hereinafter, the holder 10 of Embodiment 1 which actualized this invention is demonstrated, referring FIGS. 1-12.
The holder 10 is attached to a body or the like in a vehicle such as an automobile (not shown). As shown in FIG. 9, the holder 10 is a holder 10 that holds a corrugated tube 30 through which an electric wire 33 is inserted. Hereinafter, the vertical direction and the horizontal direction will be described with reference to FIG. 3, and the extending direction (axial direction) of the corrugated tube will be described as the front-rear direction.

As shown in FIG. 9, the corrugated tube 30 is provided to protect the electric wires 33 arranged in the vehicle and constituting the wire harness from an external impact or the like, and is made of a synthetic resin and has a bellows shape. It has a shape. Therefore, on the outer peripheral surface of the corrugated tube 30, annular protrusions 31 and annular grooves 32 are alternately formed in the extending direction of the corrugated tube 30.
The corrugated tube 30 is formed with a slit-like cut (not shown) that divides the corrugated tube 30 in the extending direction. The corrugated tube 30 is opened from this cut and an electric wire 33 (wire harness) is inserted. It can be done.

Further, the tape 24 is wound around the outer periphery of the corrugated tube 30 so that the outer surface of the corrugated tube 30 is concealed, and the corrugated tube 30 is held in a closed state (so as not to open). It is provided to prevent water from entering. Therefore, the holder 10 in the present embodiment is mounted by sandwiching the corrugated tube 30 around which the tape 24 is wound from the outside of the tape 24.
The tape 24 is an adhesive tape made of, for example, vinyl chloride, and is wound around the outer periphery of the corrugated tube 30 through which the electric wire 33 is inserted over a predetermined length (a length including at least a portion to which the holder 10 is attached). .

As shown in FIG. 1, the holder 10 is made of a synthetic resin, and as shown in FIG. 1, a pair of holding members 11 and 12 that sandwich the corrugated tube 30, and a pair of holding members that are formed thin to cause flexibility. The hinge part 29 which connects between 11 and 12 is provided.
The left (one) clamping member 11 includes an arcuate portion 13A that is curved in an arcuate shape, a protrusion 15A that protrudes from the inner surface of the arcuate portion 13A, and an engaging portion that extends from the arcuate portion 13A. 20, the right (the other) clamping member 12 includes an arc-shaped portion 13B that is curved in an arc shape, a plurality of ridges 15B that are formed to protrude on the inner surface side of the plate-like curved portion, and an arc-shaped portion 13B. And an engaged portion 23 extending from the center.

  The inner surfaces of the arcuate portions 13A and 13B are opposing surfaces 14A and 14B that face the outer peripheral surface of the corrugated tube 30, respectively, and projecting ridges 15A and 15B that extend in the circumferential direction protrude from the opposing surfaces 14A and 14B.

  The ridges 15A of the one opposing surface 14A are provided at two places before and after the arc-shaped portion 13A, and the short ridges 16A formed at the bottom (the deepest position) of the opposing surface 14A and the short ridges 16A are provided. The long ridges 17A are provided on both sides in the circumferential direction and extend longer in the circumferential direction than the short ridges 16A, and the ridges 15B on the other facing surface 14B are provided at two front and rear sides of the arcuate portion 13B. And a long ridge 16B formed on the bottom (deepest position) of the opposing surface 14B, and a long ridge provided on both sides in the circumferential direction of the short ridge 16B and extending longer in the circumferential direction than the short ridge 16B. 17B. A cutting blade 18 is formed on the protrusions 15A and 15B.

Each cutting blade 18 has a sharpened tip by decreasing the thickness (diameter in the front-rear direction) of the ridges 15A and 15B from both front and rear sides, and both ends in the circumferential direction of the ridges 15A and 15B. About the part, the front end side is shortened in the circumferential direction by being cut out in an inclined shape. Therefore, about the cutting blade 18 of short ridge 16A, 16B, the front-end | tip is the shape sharpened to the taper shape.
A flat plate-like flat portion 19 is formed on the left side from the intermediate portion in the width direction of the arc-shaped portion 13A. The long protrusion 17A on the engagement part 20 side is interposed between the flat part 19 and the arcuate part 13A, and the long protrusion 17A extends from the flat part 19 to the groove part of the corrugated tube 30. It is raised to a height at which it can be fitted into 32.

The engaging portion 20 protrudes in a plate shape in a direction orthogonal to the plate-like extension portion 21 from the flat extension portion 21 continuous from the flat portion 19 and the front and rear ends of the plate-like extension portion 21. And a locking portion 22.
The plate-like extension part 21 has a through hole 21 </ b> A that penetrates the plate-like extension part 21 in an H shape and a positioning convex part 21 </ b> B provided at the left end of the plate-like extension part 21.

The locking portion 22 is provided in a pair of front and rear, and has a plate-like locking piece 22A and a locking claw 22B that protrudes outward from the tip of the locking piece 22A.
The locking piece 22A is notched on the outer surface side so that the thickness on the tip side becomes thin.
The locking claw 22B protrudes from the locking piece 22A in a stepped manner, has an inclined surface on the outer surface side so that the protruding dimension decreases toward the distal end side, and continues to the inclined surface of the distal end portion of the locking piece 22A. .

  The engaged portion 23 includes a through-hole 24 that penetrates the thick resin and a fixing piece 25 for locking and fixing an attachment member (not shown) that is inserted through the through-hole 24 and attached to the vehicle. ), A locked frame 26 formed on the front and rear ends of the engaged portion 23 (an example of a “locked portion” having the configuration of the present invention), and a positioning convex portion 21B of the engaging portion 20 And a positioning recess 27 to be fitted.

The upper end of the through hole 24 is opened in an H shape.
As shown in FIG. 4, the fixed piece 25 can be deformed by bending and has a protrusion 25 </ b> A that protrudes inwardly on the inner surface side continuous with the through hole 24.
As shown in FIG. 2, the locked frame 26 has an opening 26 </ b> A large enough to allow the locking portion 22 to be inserted, and when the pair of clamping members 11 and 12 sandwich the corrugated tube 30. When the locking portion 22 is inserted into the locked frame 26, the locking claw 22B is locked to the edge of the locked frame 26, and the pair of clamping members 11 and 12 sandwich the corrugated tube 30. Retained.

Next, attachment of the holder 10 will be described.
First, the operator opens the corrugated tube 30 from the cut and closes the cut through the electric wire 33 from the cut. Then, the tape 24 is wound around the outer periphery of the corrugated tube 30 with the cut line closed.
Then, after the tape 24 is wound around the corrugated tube 30, the corrugated tube 30 around which the tape 24 is wound is sandwiched between the pair of clamping members 11 and 12 of the holder 10.

  Then, when the locking portion 22 of the holder 10 is passed through the locked frame 26, the positioning convex portion 21B is fitted into the positioning concave portion 27, and when the locking portion 22 is further passed, the locking portion 22 is locked. The claw 22B is locked to the edge of the locked frame 26, and the engaging portion 20 and the engaged portion 23 are held in an engaged state (FIG. 9).

  At this time, the cutting blades 18 of the protrusions 15A and 15B abut against the tape 24 passing over the groove portion 32 of the corrugated tube 30 and press the tape 24 against the groove portion 32 side, so that the tape 24 is sufficiently cut. However, the tape 24 is slightly pushed into the groove 32 together with the ridges 15A and 15B.

Next, the worker rotates the holder 10 around the corrugated tube 30 as shown in FIG. This rotation angle is an angle at which the cutting blade 18 can cut the tape 24 according to the strength of the tape 24 and the like, and is rotated, for example, 270 degrees.
As a result, the tape 24 passing over the groove portion 32 in the outer peripheral surface of the corrugated tube 30 is cut by the cutting blade 18 (FIG. 11), and the protrusions 15 </ b> A and 15 </ b> B of the clamping members 11 and 12 are groove portions 32 of the corrugated tube 30. (FIG. 12), the corrugated tube 30 and the holder 10 are positioned in the axial direction.
Then, an attachment member fixed to the vehicle (not shown) is passed through the through holes 21A and 24 and is locked to the protrusion 25A of the fixing piece 25, thereby fixing the holder 10 to the vehicle while restricting the detachment from the attachment member. .

According to this embodiment, the following effects can be obtained.
(1) The holder 10 includes a pair of sandwiching members 11 and 12 that sandwich the corrugated tube 30 around which the tape 24 is wound, and of the pair of sandwiching members 11 and 12, facing surfaces that face the outer peripheral surface of the corrugated tube 30. 14A and 14B are formed with ridges 15A and 15B that extend in the circumferential direction and fit into the grooves 32 on the outer peripheral surface of the corrugated tube 30, and the ridges 15A and 15B rotate the holder 10. A cutting blade 18 for cutting the tape 24 is provided.
As described above, according to this embodiment, when the holder 10 is rotated, the cutting blade 18 cuts the tape 24 so that the ridges 15A and 15B can be fitted to the inside of the tape 24 in the groove portion 32. . Accordingly, even when the tape 24 is wound around the corrugated tube 30, the corrugated tube 30 can be reliably held by the holder 10.

(2) Since the cutting blades 18 of the short ridges 16A and 16B have a tapered tip, the tape 24 is pierced by the tapered tip when sandwiched between the clamping members 11 and 12. Becomes easier.
(3) Since the short ridges 16A and 16B (projections 15A and 15B) provided with the cutting blade 18 are formed at the bottoms of the opposed surfaces 14A and 14B, the opposed surfaces of the holding members 11 and 12 are opposed to each other. As for the bottom portions of 14A and 14B, a strong force is likely to occur when the corrugated tube 30 is sandwiched between the pair of sandwiching members 11 and 12, and the tape 24 is applied by the cutting blades 18 of the short ridges 16A and 16B formed on the bottom portions. It is easy to break through.

(4) Since a plurality of the protrusions 15A and 15B are formed on the holding members 11 and 12, the tape 24 can be easily cut.
(5) Since the ridges 15A and 15B are composed of short ridges 16A and 16B having a short length in the circumferential direction and long ridges 17A and 17B that are longer in the circumferential direction than the short ridges 16A and 16B, they are long. About the length protrusion 17A, 17B, the intensity | strength of protrusion 15A, 15B becomes high with the length, and can position the corrugated tube 30 in an axial direction reliably. Moreover, about the short protrusion 16A, 16B, the cutting | disconnection of the tape 24 can be made easy.

(6) The ridges 15A and 15B are formed over the entire circumferential direction of the opposing surfaces 14A and 14B, and the cutting blade 18 is formed over the entire circumferential direction of the ridges 15A and 15B. The tape 24 can be cut by reducing the rotation angle of the holder 10.
(7) A locked portion 22 is provided on one of the pair of clamping members 11 and 12, and a locking portion 22 that locks on the locked portion 22 with the corrugated tube 30 being sandwiched on the other. The tape 24 can be cut by rotating the holder 10 in a state where the locked portion 22 is locked to the locking portion 22.
If it does in this way, since it becomes possible to fix the relative position of a pair of clamping members 11 and 12 in the case of rotation of the holder 10, the cutting operation | work of the tape 24 becomes easy.

(8) Since the pair of sandwiching members 11 and 12 are connected by the hinge portion 29 having flexibility, the pair of sandwiching members 11 and 12 are integrated by the hinge portion 29 to improve workability. it can.

<Other embodiments>
The present invention is not limited to the embodiments described with reference to the above description and drawings. For example, the following embodiments are also included in the technical scope of the present invention.
(1) In the above-described embodiment, the protrusions 15A and 15B are provided at predetermined intervals at two front and rear positions. However, the present invention is not limited to this, and one or three or more protrusions 15A and 15B are provided. May be. For example, you may make it provide the (several) protrusion 15A, 15B fitted in the some groove part 32 continuous before and behind the corrugated tube 30. FIG.

(2) In the above embodiment, the ridges 15A and 15B are provided so as to correspond to the entire circumference of the groove portion 32 of the corrugated tube 30, but may not be provided over the entire circumference. For example, protrusions may be provided in a predetermined range (angle) in the circumferential direction. Further, for example, only one short ridge 16A, 16B may be provided among the ridges 15A, 15B. Even in this case, the tape 24 can be cut over the entire circumference of the groove 32 by rotating the holder 10 by a predetermined angle. Moreover, you may make it provide a protrusion only in one side of a pair of clamping members 11 and 12. FIG.

(3) In the above-described embodiment, the pair of clamping members 11 and 12 are connected and integrated by the hinge part 29 having flexibility, but the hinge part 29 is not provided and the pair of clamping members 11 and 12 are integrated. 12 may be separated.

DESCRIPTION OF SYMBOLS 10 ... Holders 11 and 12 ... Holding member 13A, 13B ... Arc-shaped part 14A, 14B ... Opposite surface 15A, 15B ... Projection 16A, 16B ... Short projection 17A, 17B ... Long projection 18 ... Cutting blade 20 ... Engaging portion 21A ... through hole 22 ... locking portion 22A ... locking piece 22B ... locking claw 23 ... engaged portion 24 ... tape 26 ... locked frame (locked portion)
29 ... Hinge part 30 ... Corrugated tube 31 ... Projection part 32 ... Groove part 33 ... Electric wire

Claims (8)

A holding tool for holding a corrugated tube in which an electric wire is inserted and a tape is wound around the outer periphery,
A pair of clamping members that sandwich a corrugated tube around which the tape is wound;
Of the pair of sandwiching members, on the opposing surface facing the outer peripheral surface of the corrugated tube, a protrusion that extends in the circumferential direction and fits into the groove portion of the outer peripheral surface of the corrugated tube is formed. Is a holder provided with a cutting blade for cutting the tape by rotating the holder. The holder according to claim 1, wherein the cutting blade has a tapered tip. The holder according to claim 2, wherein the protrusion provided with the cutting blade is formed at a bottom portion of the facing surface. The holder according to any one of claims 1 to 3, wherein a plurality of the protrusions are formed on the clamping member. The said protrusion consists of a short protrusion with a short length in the circumferential direction, and a long protrusion that is longer in the circumferential direction than the short protrusion. The holding tool according to item. The said protrusion is formed over the whole in the circumferential direction of the said opposing surface, The said cutting blade is formed over the whole in the circumferential direction of the said protrusion. Item 6. The holder according to any one of Items 5. One of the pair of clamping members is provided with a locked portion, and the other is provided with a locking portion for locking to the locked portion with the corrugated tube being sandwiched,
7. The tape can be cut by rotating the holding tool in a state where the locked portion is locked to the locking portion. The holding tool according to item. The holder according to any one of claims 1 to 7, wherein the pair of clamping members are connected by a hinge portion having flexibility.

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