JPH10304531A - Wire protector - Google Patents

Abstract

(57) [Problem] To provide an electric wire protector capable of easily storing an electric wire with a simple structure. SOLUTION: A flexible inner cylinder 1 for housing a wire bundle,
And a flexible outer cylinder 2 for accommodating the inner cylinder 1. The inner cylinder 1 is provided on one side of the peripheral wall with a cut 1b along the longitudinal direction.
And the other side has a locking ridge 1a along the longitudinal direction facing the cut, and the outer cylindrical body 2 is provided on one side of the peripheral wall in the longitudinal direction engaging with the locking ridge 1a. Cutting 2a along
Having.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to an electric wire protector for protecting electric wires such as a wire harness.

[0002]

2. Description of the Related Art Japanese Unexamined Utility Model Publication No. 2-83618 discloses an electric wire protector as shown in FIG. In FIG. 3, reference numeral 11 denotes a cylindrical body, which has a cut 12 on one side thereof. The cylindrical body 11 separated by the cut 12 has a locking piece 14 which rises from both side edges 13 and 13 'and 1
4 'is provided. 15 is the locking pieces 14 and 1
4 '.

[0003]

As described above, the conventional electric wire protector is provided with a locking piece which is raised from both side edges of the cut of the cylindrical body, and the locking tool is engaged with the locking piece. Was something. For this reason, when the structure is complicated and the bundle of electric wires accommodated in the cylindrical body is small, the side edges 13 and 13 ′ are pressed to reduce the distance therebetween so that the locking pieces 14 and 14 ′ are connected to the locking members 15. However, when the wire bundle becomes thicker, the width of the split 12 cannot be reduced, and the tip of the locking tool 15 is engaged with the locking pieces 14 and 14 ′ to be pushed in the longitudinal direction. And workability becomes very poor. An object of the present invention is to provide an electric wire protector that can easily accommodate an electric wire with a simple structure.

[0004]

In order to solve the above-mentioned problems, according to the first aspect of the present invention, a flexible inner cylinder for accommodating a wire bundle and a flexible inner cylinder for accommodating the inner cylinder are provided. The inner cylindrical body has a cut along the longitudinal direction on one side of the peripheral wall, and has a locking ridge along the longitudinal direction facing the cut on the other side. The cylindrical body is characterized in that it has a cut along one longitudinal side for engaging with the locking ridge on one side of the peripheral wall. A cut is provided in the longitudinal direction of the inner cylindrical body, a locking ridge is provided to protrude toward the outside in opposition to the cut, and the cut provided in the longitudinal direction of the outer cylindrical body is expanded to form an inner cylindrical body. Since the outer casing is used, the electric wire can be easily housed with a simple structure.

[0005] In the invention of claim 2, the thickness of the inner cylindrical body is gradually reduced toward the cut.
Therefore, the cut portion can be easily opened, and the electric wire can be easily stored without applying unnecessary force.

In the invention according to claim 3, the inner diameter of the outer cylinder is adjusted so that the outer cylinder conforms to the size of the wire bundle accommodated in the inner cylinder. Is selected from those equal to the outer diameter of the material, and those larger and smaller than this. According to the third aspect of the present invention, a plurality of types of outer cylinders having different inner diameters are prepared, and the outer cylinder having a diameter matching the thickness of the wire bundle is used. The body can be shared, and the cost can be reduced.

According to a fourth aspect of the present invention, the inner cylindrical body and the outer cylindrical body are corrugated tubes, and a fifth aspect of the present invention is configured such that the locking ridge is divided and formed into a plurality. . According to the fourth aspect of the present invention, since the inner cylindrical body and the outer cylindrical body are both made of corrugated tubes, the housed wire harness can be bent in a desired direction and arranged and fixed. The above-mentioned bending work is further facilitated by forming the locking projections separately.

[0008]

FIG. 1 shows an example of an embodiment of the present invention.
This will be described with reference to FIG. 1A is a perspective view of a separated state of an embodiment of the present invention, and FIG. 1B is a sectional view of the used state. In FIG. 1, reference numeral 1 denotes an inner cylinder having a circular cross section that accommodates an electric wire 3 and 2 denotes an outer cylinder that accommodates an inner cylinder 1, both of which are made of a flexible material such as polyvinyl chloride or polyethylene. I have.

An inner cylindrical body 1 has a locking ridge 1a having a T-shaped cross section protruding outwardly along one side of a peripheral wall along a longitudinal direction.
Is formed, and a cut 1b along the longitudinal direction is provided on the other side in opposition to the locking ridge 1a. Further, the outer cylinder 2 has a cut 2a corresponding to the locking ridge 1a and engaging with the locking ridge 1a.
Are provided in the longitudinal direction.

In the above configuration, in order to store the electric wire in the protector, first, the cut 1b of the inner cylinder 1 is opened and the electric wire 3 is opened.
To store. Thereafter, the slit 2a of the outer cylinder 2 is opened, and the outer cylinder 2 is placed on the inner cylinder 1 from the side opposite to the locking ridge 1a, or by sliding the slit 2a over the locking ridge 1a.
Is extrapolated to house the inner cylinder 1 in the outer cylinder 2.

In the electric wire 3 housed in this manner, even if the protector is bent, the outer cylindrical body 2 is locked by the locking ridge 1a provided on the inner cylindrical body 1, so that the inner cylindrical body 3 1
And the electric wire 3 is not released because the cut 1b of the inner cylinder 1 is covered with the outer cylinder 2 from the outside.

FIG. 2 shows a second embodiment of the present invention, in which (A) is a sectional view of the inner cylinder, and (B) and (C).
FIG. 3 is a cross-sectional view of mounting when the wire bundle is thick and thin.
In the second embodiment, as shown in FIG. 2A, the thickness of the cylindrical portion of the inner cylindrical body 1 'is made thinner toward the cut 1b. In addition, a plurality of types, such as those having the inner diameter of the outer cylinder 2 larger, smaller, and the same as the outer diameter of the inner cylinder 1 'are prepared. In the protector thus configured, the wire bundle is stored in the inner cylinder 1 'by the above-described method, and then the inner cylinder is transferred to the outer cylinder 2 having a diameter corresponding to the diameter of the inner cylinder 1' storing the wire bundle. The body 1 is stored.

FIG. 2B shows a case where the bundle of wires is thick. In this case, the cut 1b of the inner cylinder 1 'is greatly expanded, but the outer cylinder 2' has an outer diameter corresponding to the outer diameter. No electric wires are released.

When the bundle of wires is thin, as shown in FIG. 2C, both side edges of the cut 1b of the inner cylinder 1 'are overlapped with each other, so that the inner cylinder 1 "has a small diameter. Is stored in.

As described above, the thickness of the inner cylinder 1 'is divided by 1
By making the outer cylinder 2 thinner toward b, and preparing various outer cylinders 2 having different diameters, a protector having a thickness suitable for the wire bundle can be obtained. And cost can be reduced.

The case where the inner cylinder 1, the outer cylinder 2 and the like are formed by ordinary cylindrical straight pipes has been described above.
The wire harness can be formed of a corrugated tube (not shown) so that it can be freely bent in accordance with the internal structure of the vehicle. In this case, cuts are made at appropriate intervals in the locking projections 1a of the inner cylindrical body 1. A plurality of locking ridges 1a
It is preferable to form them separately.

[0017]

As described above, according to the present invention, the following effects can be obtained. A cut is provided in the longitudinal direction of the inner cylinder,
A locking ridge protruding outward is provided opposite to the cut, and the cut provided in the longitudinal direction of the outer cylinder is widened and exteriorly provided on the inner cylinder, so that the structure is simple and easy. An electric wire can be accommodated in the power supply (claim 1). Since the thickness of the inner cylindrical body is reduced as it goes toward the cut, the cut portion can be easily opened, and the electric wires can be easily stored without applying unnecessary force. Item 2). In addition, a plurality of types of outer cylinders with different inner diameters are prepared, and the outer cylinder having a diameter matching the thickness of the wire bundle is used, so that the inner cylinder can be shared for various wire harnesses. And cost reduction can be achieved (claim 3). Furthermore, by forming both the inner cylindrical body and the outer cylindrical body as corrugated tubes, the housed wire harness can be bent and arranged and fixed in a desired direction (claim 4), and the locking ridge is divided and formed. Thereby, the bending operation can be further facilitated (claim 5).

[Brief description of the drawings]

FIG. 1A is a perspective view of a separated state of an embodiment of the present invention,
(B) is a side view of the used state.

FIG. 2A is a cross-sectional view of an inner cylindrical body according to a second embodiment of the present invention, and FIGS. 2B and 2C are cross-sectional views of the same embodiment when the wire bundle is thick and thin.

FIG. 3 is an explanatory diagram of a conventional example.

[Explanation of symbols]

 1, 1 'Inner cylinder 1a Engagement ridge 1b Split 2 "Outer cylinder 2a Split 3 Electric wire

Claims (5)

[Claims] 1. A flexible inner cylinder body for accommodating a wire bundle and a flexible outer cylinder body for accommodating the inner cylinder body, wherein the inner cylinder body is provided on one side of a peripheral wall in a longitudinal direction. Along the other side, there is a locking ridge on the other side along the longitudinal direction opposite to the cutting, and the outer cylindrical body is formed on one side of the peripheral wall in the longitudinal direction engaging with the locking ridge. A protector for electric wires, characterized in that the protector has a cut along the same. 2. The electric wire protector according to claim 1, wherein the thickness of the inner cylindrical body is gradually reduced toward the cut. 3. An outer cylinder having an inner diameter equal to the outer diameter of the inner cylinder so that the outer cylinder conforms to the diameter of the wire bundle accommodated in the inner cylinder. 3. The wire protector according to claim 1, wherein the protector is selected from a larger one and a smaller one. 4. The electric wire protector according to claim 1, wherein said inner cylinder and said outer cylinder are corrugated tubes. 5. The protector for an electric wire according to claim 1, wherein said locking ridge is divided into a plurality of parts.