JP3112811U - Tubular sleeve - Google Patents

Abstract

[PROBLEMS] To secure a function to prevent fraying of an end portion of a sleeve, and to easily insert a bundle of electric wiring materials into the sleeve, to be safe for human bodies and without fear of electric leakage. To provide an excellent sleeve that does not cause a possibility of catching a foot due to looseness.
SOLUTION: A tube-like sleeve 1 having a filament yarn 2 made of a shape-retaining material as either a knitting yarn, a woven yarn or a braided yarn, in particular, the shape-retaining material is a stretched synthetic resin material A tubular sleeve characterized in that
[Selection] Figure 1

Description

  The present invention relates to a flexible tubular sleeve for protecting a bundle of electrical wiring members from surrounding vibrations and the like.

  As one of the means to prevent the vibration from the surroundings and disconnection due to external pressure, improve durability, and improve the appearance by covering the bundle of electrical wiring materials together in various machinery etc. A tubular sleeve is generally used.

  As such a tubular sleeve, for example, in a knitted fabric sleeve, a) a first yarn each having a relatively flexible filament, and b) at least one relatively rigid filament. A second thread having the second thread distributed evenly around the periphery of the sleeve, wherein the number of the second thread is from about 1/3 of the number of the first thread and the second thread. Up to about 2/3, the second yarn being pre-stressed in a relatively tight spiral shape and the sleeve extending the spiral of the yarn in the knitted fabric by at least 30% when knitted. A sleeve (see, for example, Patent Document 1) is known in which the second yarn is knitted under sufficient tension and has a metal wire.

Japanese Patent Publication No. 7-88613 (Claim 2)

  The device according to Patent Document 1 prevents or reduces the loosening of the yarn constituting the sleeve accompanying the expansion and contraction of the sleeve. Its construction incorporates a relatively rigid thread such as a stainless steel wire into the sleeve. When the sleeve is shortened and expanded by the force of the stainless steel wire (hereinafter referred to as a metal wire), the end spiral is contracted in the radial direction. This configuration is suitable from the viewpoint of preventing loosening of the yarn at the sleeve end.

  However, if the sleeve is shortened and expanded when inserting a bundle of electrical wiring materials into the sleeve, the end portion is in a reduced diameter state and a rigid thread is used. The work of inserting the bundle of electric wiring members while expanding the diameter is very difficult.

  In addition, the sleeve using the metal wire is not easy to cut when the sleeve is cut to a desired length, and on the other hand, if the metal wire is cut, the metal wire is exposed at the cut end, which may damage the human body. Moreover, there is a risk of causing a fire due to electric leakage by piercing the bundle of electric wiring members.

  Furthermore, the sleeve using the metal wire has a drawback that the total weight increases due to the weight of the metal wire, and the burden on the operator increases when carrying the sleeve in large quantities. In addition, the sleeve has a disadvantage that it is not flexible because it is provided with a metal wire and requires labor to be bent. Furthermore, a general sleeve protects a bundle of electrical wiring materials from surrounding vibrations, etc. When a sleeve using the metal wire is subjected to vibration, the other object and the metal wire come into contact with each other. May cause an unpleasant continuous sound.

  In addition to the above, the sleeve using the metal wire has a narrow application range with respect to the outer diameter of the entire bundle of electric wiring materials that can be stored. Moreover, the separation at the time of disposal after use is very troublesome, and there is also a drawback that it is difficult to recover and recover the loss generated during the production.

On the other hand, even in a general sleeve not provided with a metal wire (for example, a sleeve knitted with bulky filament yarn and engineering plastic monofilament yarn), the knitted fiber is repulsive, etc. even when the opening is opened. Thus, it is usual to restore in the direction of diameter reduction.
Therefore, as in the case of the sleeve having the metal wire, it is not easy to insert the bundle of electric wiring materials while expanding the diameter of the end portion in the shortened diameter expanded state of the sleeve. Furthermore, in the case of a general sleeve, there is a risk that the slack of the sleeve caused by construction moves carelessly and may come into contact with other objects or get caught in a foot.

The present invention has been made in view of the above circumstances, and can ensure the function of preventing fraying of the end of the sleeve, and can very easily perform the work of inserting a bundle of electrical wiring materials into the sleeve. In addition, it is safe, there is no risk of leakage, there is no risk of catching your foot due to the looseness of the sleeve, and it is lightweight, flexible, easy to bend, easy to cut, easy to handle, and generated by vibration An object of the present invention is to provide an excellent sleeve that can reduce noise, is flexible in the amount of electrical wiring material to be stored, and is suitable for recycling.

  A tubular sleeve characterized by having a filament yarn made of a shape-retaining material as a knitting yarn or a woven yarn, in particular, a tubular sleeve characterized in that the shape-retaining material is a stretched synthetic resin material. As a means for solving this problem.

  According to the first aspect of the invention, the sleeve is shortened in the longitudinal direction and the end portion is opened by having a filament yarn made of a synthetic resin shape-retaining material as either a knitting yarn, a woven yarn or a braided yarn. In this state, since the open shape of the end portion is maintained, a sufficiently large opening can be maintained, and the open end portion guides the electric wiring material into the sleeve. Therefore, the electric wiring member can be inserted into the sleeve very easily.

  Also, by holding filament yarn made of synthetic resin shape-maintaining material as either knitting yarn, woven yarn, or braided yarn, the shape can be held in a curved or bent state when routing the wiring. Therefore, generation of noise itself can be reduced by avoiding direct contact with machinery having vibration. In addition, with the same configuration, the slack of the sleeve caused by the construction does not move carelessly, and there is no possibility of catching a foot.

  And the very various effects shown below which are completely different from the sleeve using the metal wire disclosed in Patent Document 1 can be obtained.

Since specific gravity is small compared with a metal wire, it can be made lightweight.
By having a shape retention force due to plasticity, it exhibits flexibility and is very easy to bend, and it is not only stretchable in the longitudinal direction of the sleeve, but also when opening the end, it does not shrink greatly A state can be secured.
Since the shape retainability is ensured only with synthetic resin without including metal wires, cutting becomes very easy, and the wire itself has flexibility even if the wire protrudes at the end by cutting. The safety can be high, and the noise when colliding with another object by vibration can be greatly reduced.
Recovering and recovering loss generated during production is easy and suitable for recycling.
And by providing flexibility and plasticity, it is also excellent in terms of flexibility even when the amount of electrical wiring material to be stored is large.

  According to the second aspect of the invention, the filament yarn made of the synthetic resin shape-retaining material is formed into a filament yarn that is cut into the longitudinal direction of the sheet-like or tape-like shape-retaining material, thereby forming a sheet. By using a synthetic resin material in the form of a tape or tape as a fiber constituting a tube-shaped sleeve by cutting it into an elongated shape, it is possible to obtain excellent shape retention characteristics not found in conventional tube-shaped sleeves.

  According to the invention according to claim 3, in addition to the above effects, a configuration in which a filament yarn made of a synthetic resin shape-retaining material and a filament yarn not having a synthetic resin shape-retaining material are woven. By adjusting the balance between the engagement and holding force of filament yarn made of synthetic resin shape-retaining material and the restoring force of filaments that do not have synthetic resin shape-retaining material, shape retention performance and flexibility A tube-like sleeve having both properties can be obtained.

  According to the invention according to claim 4, in addition to the effects of claims 1 to 3, the filament yarn made of the shape-retaining material has a configuration using monofilament yarns having two or more different widths. By adjusting the balance between the different shape retention performances, the shape retention performance can be adjusted to a suitable tubular sleeve according to the intended use.

  Then, as described in claim 5, the invention of claim 1 to claim 4 is embodied by using a synthetic resin material in which the shape-retaining material is stretched, and the invention of claim 1 to claim 4 is realized. Various effects can be realized.

  The tube-like sleeve according to the present invention has a function of preventing fraying of the end portion of the sleeve by having a filament yarn made of a shape-maintaining material of a stretched synthetic resin material as a knitting yarn or a woven yarn. In addition, it is very easy to insert a bundle of electrical wiring materials into the sleeve, it is safe for the human body, there is no risk of electric leakage, there is no risk of catching your foot due to the looseness of the sleeve, and it is lightweight, Flexible, easy to bend, easy to cut, easy to handle, reduce noise generated by vibration, flexible to the amount of electrical wiring material to be stored, and very suitable for recycling A tube-shaped sleeve was realized.

Example 1
As shown in FIG. 1, the tube-shaped sleeve according to the first embodiment of the present invention is only a monofilament that is about 0.351 g / m as a thread-like synthetic resin material having a shape-holding function that can be plastically deformed by stretching. It is a tube-shaped sleeve formed using.
Specifically, a monofilament of 0.351 g / m Techno Roto (manufactured by Mitsui Chemicals Co., Ltd.) is formed into a braided tube-like sleeve using a 48-placing stringing machine.

  The end portion of the tubular sleeve according to the first embodiment has a configuration in which the end portions of monofilaments made of 48 shape-retaining materials are formed by cutting. The monofilament has plasticity and flexibility. When the end portion is opened, the shape is maintained in the opened state as indicated by the two-dot chain line in FIG.

  The present invention is not limited to the configuration of the first embodiment. For example, a plurality of (for example, about 2 to 10) monofilament yarns that are the stretched synthetic resin material are used for 8 strokes or more. A tubular sleeve can be formed as a braid of about 96 strokes.

  Moreover, although there is no restriction | limiting in the thickness (or weight per length) of the thread | yarn used in this invention, By using a filament of about 0.064g / m thru | or 1.668g / m about as a tubular sleeve, Thus, the shape retention characteristic can be made more suitable.

  On the other hand, the thickness (or weight per unit length) of the yarns used need not be the same. For example, half of 48 strokes is 1.019 g / m and half is 0.064 g / m. You can also. By using the yarns having different thicknesses as described above, the shape holding force can be adjusted.

(Example 2)
Next, a tubular sleeve according to a second embodiment of the present invention is shown in FIG. The tube-like sleeve according to the second embodiment of the present invention does not form the whole filament yarn with a shape-retaining material as in the first embodiment, but half of 48 strokes is formed by drawing a plastic yarn-like stretched yarn. A monofilament 2 made of a material is used, and the other half is made of a normal synthetic resin filament 3 (monofilament yarn or multifilament yarn) that is not a shape-retaining material. According to the present embodiment, it is excellent in that it has both shape retention characteristics and flexibility as a tubular sleeve.

  In the present invention, the composition ratio between the monofilament made of the shape-retaining material having plasticity and the filament not having the shape-retaining material is not limited to the second embodiment, and these composition ratios may be changed as appropriate. Thus, the balance of the shape retention force, flexibility, etc. described above can be adjusted.

(Example 3)
A tubular sleeve according to Example 3 of the present invention will be described. The tube-shaped sleeve according to the third embodiment of the present invention is a tube-shaped sleeve formed by forming a sheet-like or tape-like shape-retaining material into a thread shape by slitting (cutting as a narrow width) in the longitudinal direction. .

  As the sheet-like or tape-like shape-retaining material, forte (trade name) manufactured by Sekisui Chemical Co., Ltd. can be used, for example. The shape-retaining material used in this Example 3 is a shape-retaining material formed by high-stretch drawing, and since it has a configuration in which the drawing direction and the cutting direction for forming a thread are matched, it is cut into an elongated shape. Even in such a state, shape retention characteristics can be utilized.

  The tube-like sleeve according to the third embodiment is composed only of a sheet-like or tape-like shape-retaining material that is formed into a thread shape by slitting in a longitudinal direction (elongated cut), but the present invention is not limited thereto, Similarly to Example 2, it can also be configured together with a normal synthetic resin filament 3 (monofilament yarn or multifilament yarn) that is not a shape-retaining material. In addition, the composition ratio can be appropriately changed according to the shape retention characteristics, flexibility, and the like of each filament.

  According to Example 3 described above, as a fiber constituting a tube-shaped sleeve by cutting a sheet-like or tape-like synthetic resin material into an elongated shape, by using it as either a knitting yarn, a woven yarn or a braided yarn, It exhibits excellent shape retention characteristics that cannot be achieved with conventional tubular sleeves.

  In the present invention, the shape-retaining material is not limited to those exemplified in the above embodiment, and can be used. For example, a relatively flexible synthetic fiber such as polyolefin such as polyethylene or polypropylene, polyester, nylon, or a hybrid fiber of these can be used.

  In addition, according to the present invention, not only a sleeve using a metal wire, but also a monofilament such as polyester, glass fiber, and a thermoplastic resin, the shape is maintained. In addition, the filament that appears at the end formed as the cut surface has an effect that the filament is not easily frayed.

  Furthermore, according to the present invention, by using a tubular sleeve having excellent shape retention and flexibility, it can be used in various shapes, thereby exhibiting space saving.

It is a front view which shows the tube-shaped sleeve which concerns on Example 1 of this invention. It is a front view which shows the tube-shaped sleeve which concerns on Example 2 of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Tube-shaped sleeve 10 End part 2 Filament yarn which consists of shape retention materials 3 Normal filament yarn

Claims (5)

A tubular sleeve comprising a filament yarn made of a synthetic resin shape-retaining material as either a knitting yarn, a woven yarn or a braided yarn. 2. The tube-shaped sleeve according to claim 1, wherein the filament yarn made of a synthetic resin shape-retaining material is a filament yarn cut into a longitudinal shape from a sheet-like or tape-like shape-retaining material. The tube-shaped sleeve according to claim 1 or 2, wherein a filament yarn made of a synthetic resin shape-retaining material and a filament yarn not containing a synthetic resin shape-retaining material are woven. The tubular sleeve according to claim 1, 2 or 3, wherein the filament yarn made of a synthetic resin shape-retaining material uses two or more monofilament yarns having different widths. The tubular sleeve according to claim 1, 2, 3, or 4, wherein the synthetic resin shape-retaining material is a stretched synthetic resin material.

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