JP3086938B2 - Electric wiring joint box and method of attaching electric wiring joint box to connection bundle of electric wiring - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a box having elasticity and flexibility, in which a compression ring is fitted to a compression ring to form a stop step, or a compression string or the like is applied to form a compression stop step to form a stop step. It is fixed and insulated foreskin.By separating the fixed object and the box, the setting position of the connection bundle can be set indefinitely, and the connection bundle is set at a position suitable for each wiring place and easy to work It is possible to cover the box, or to cover the box, and then simply hang the compression ring or tie it with a compression string to complete the insulated foreskin.The shape of the box is a large one with an open mouth on one side If it is, it can be used for both large and small connection bundles, and because it has flexibility, it does not damage the connection bundle. Easy and cheap And about way box can make reliable wiring.

[0002]

2. Description of the Related Art Since a fixed base is attached to a fixed object and a box is fixed to the fixed base, the outer sheath is peeled off from just above the insulated wire fixed to the fixed object, and a long single-coated wire end is sleeved. Thus, a large bundle of wires must be uniformly formed immediately above the fixed base.

[0003] It is difficult and troublesome to attach the fixed base and form a wire bundle directly above the fixed base. In particular, in a narrow, low and dark place, it is difficult not only to use a screwdriver or a hammer to stop the fixed base, but also to install the fixed base. In some cases, the connection bundle was left uncovered and power was transmitted without covering the box.

[0004]

In order to maintain the safety of the electric wiring, it is essential to securely cover the connection bundle, and when making the connection bundle, care must be taken not to damage the wires and sleeves. It is an essential condition, but today it is in a severe age environment such as labor shortage, technical inexperience, speed work is required, especially so that power is transmitted without any inspection after completion of electrical wiring work. In conjunction with the revision, it takes time to complete the wiring work to fix the wiring bundle at a certain position, so the work environment is bad, such as behind the ceiling, and the use of boxes is omitted in places that are not visible, leaving the wiring bundle bare. It has been pointed out that the situation where power is transmitted and left unattended has been pointed out, and in order to solve such human structural defects, under the bad conditions in performing the work of making the connection bundle and installing the box Also, the development of easy-to-use box, such as get used to feel that use Kiyasuku has been demanded.

[0005] In order to solve the above-mentioned problems of the prior art, the present invention does not use a fixing stand for fixing to a fastening object, but separates a connection bundle insulated and encased by a box from the fastening object. Can be set to an unspecified position, so the fixing position of the connection bundle can be set by selecting the most suitable place for each wiring place and easy to work.In addition, the box is covered on the connection bundle and easy to foreskin Yes, when a box is put on a wire bundle, it has elasticity and flexibility, so if you use a large box, not only one box can be used regardless of the size of the wire bundle, but also it has insulation, so it is a simple bag and cheap. It is intended to be used in places with poor working conditions without any feeling of resistance, and to ensure the formation of an insulating foreskin to enhance the safety of branch wiring. .

[0006]

According to the present invention, a space for inserting a wire bundle formed by bundling the ends of a plurality of electric wires is provided inside, and the wire bundle is provided on one surface with the internal space. In the joint box for electric wiring having an opening for insertion into the space, the peripheral wall of the box is compressed and reduced in diameter to form a connection bundle between a plurality of wire ends inserted into the space. It is provided with a compression wheel or a compression cord for forming a stop step to be engaged.

A space for inserting a connection bundle formed by binding the ends of a plurality of electric wires to each other is provided on the inside, and an opening for inserting the connection bundle into the internal space is provided on one surface. In a method of covering a joint bundle for binding an electric wiring joint box having the ends of a plurality of electric wires with each other,
Compress the peripheral wall of the box to form a stop step,
The above-described connection bundle is inserted while pushing the stop step of the mouth opening portion so that the connection bundle reaches the internal space.

A space for inserting a connection bundle formed by binding the tips of a plurality of electric wires to each other is provided inside, and an opening for inserting the connection bundle into the internal space is provided on one surface. In a method of covering a joint bundle for binding an electric wiring joint box having the ends of a plurality of electric wires with each other,
After the box is put on the connection bundle, the peripheral wall of the box is compressed to form a stop step, so that the connection bundle does not fall out of the stop step.

[0009]

[Function] The compression wheel is stretched and fitted on the outer periphery of the box, and when released, it is restored and compressed to form a stop step, and when it is inserted into the connection bundle from the mouth opening, the stop step is inserted into the connection bundle while being pushed open, When the stop reaches the position corresponding to the lower part of the connection bundle, it is opened and almost restored to insulate the connection bundle.

[0010] After putting the box on the wire bundle from the mouth opening,
A compression string hung on the outer periphery of a position corresponding to a lower portion of the connection bundle is tightened and compressed, or a belt or the like is tightened and compressed to form a stop step, and the connection bundle is insulated and insulated.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring to FIGS. 1 to 4 showing an embodiment of the present invention, an arrow A indicates a connection bundle (see FIG. 4), and an electric wire in which the outer coating of the coated electric wire 2 is stripped off to form a single coating. 10 and a bundle of a sleeve 11 or a connector 12 whose ends are branched and connected. Reference numeral 1 denotes a stationary object, which is an object such as a known building for stopping the covered electric wire 2. 3
Is a staple, which fixes the covered electric wire 2 to the fixed object 1. Reference numeral 4 denotes a box, which has a mouth-opening portion 5 on one side and has a bag-like shape with a deep bottom. Reference numeral 6 denotes an inclined wall portion, which makes the inner wall of the mouth opening portion 5 trumpet-shaped so as to be easily inserted into the connection bundle A. Reference numeral 7 denotes a compression wheel, which is elastic and has a smaller ring than the outer periphery of the box 4. When the ring is extended and fitted, it is restored and compressed to form a stop step 8. Reference numeral 9 denotes wrinkles. When the compression wheel 7 is fitted into the box 4, countless wrinkles 9 are formed on the upper and lower sides of the box 4 and contracted to form a stop step 8. Reference numeral 13 shown in FIGS. 3 and 4 denotes a through ring, and a plurality of through rings are provided so as to be fixed at a fixed position corresponding to a lower portion of the connection bundle A through the compression wheel 7 or the compression cord 14.

FIG. 1 shows the operation state of the box 4 in which the compression wheel 7 is stretched and fitted to the outer periphery, compressed to form the stop step 8, and the wire bundle A is insulated and insulated. This shows a state in which indefinite wrinkles 9 of indefinite depth are formed and stop steps 8 are formed.

FIG. 3 shows a state in which a plurality of loops are provided on the outer periphery of the box 4, the compression string 14 is passed through the box 4, the wire is wrapped over the connection bundle A, and the box 4 is not insulated at this time. Is not done.

FIG. 4 shows a state in which the box 4 encloses the connection bundle A. The outer periphery of the box 4 corresponding to the lower part of the connection bundle A is compressed by a compression wheel 7 and a stop step is provided on the inner periphery thereof. 8 shows a state in which the connection bundle A is completely insulated foreskin and the stop step 8 is formed, and an infinite number of large and small wrinkles 9 are formed.

When the box 4 on which the compression wheel 8 is fixed is once removed from the connection bundle A, the box 4 is pulled out by the lower part of the connection bundle A when the box 4 is pulled out with the same force as when the box 4 is inserted. It can be restored and reused.
If the compression string 14 or belt or the like has been tied and compressed, unraveling the compression string 14 or belt eliminates or reduces the stop step 8 so that it can be pulled out without resistance, enabling reuse.

[0016]

As described above, according to the present invention, the outer circumference of the box 4 covered with the connection bundle A is
4, the position corresponding to the lower portion of the connection bundle A is compressed to form a stop step 8, and the stop step 8 is blocked by the connection bundle A so that the insulation sheath is prevented from coming off. 1 and the wire bundle A encased in the box 4 can be separated, and the position of the wire bundle A can be separated from the position where the insulated wire 2 is fixed. Therefore, connection bundle A
The insulated wire 2 at the lower part of the wire may be either long or short, and the setting position of the so-called wire bundle may be unspecified. 1 has a feature that the connection bundle A can be installed separately. In addition, the troublesome work of fixing the box to fix the box with a screwdriver or a hammer can be omitted altogether, so that in a narrow and dark place, the box 1 can be covered with the groin A by groping. The box 4 can be a bag having the mouth opening 5 formed on one side, so that the production cost is very low, and an inexpensive product can be provided. From the above situation, the worker can easily use it anywhere without any resistance, so that the worker is surely used and the danger that the connection bundle A is transmitted without being exposed is solved, and the safety of the wiring is reduced. The purpose of the present application can be achieved.

[Brief description of the drawings]

FIG. 1 is a front view in which a compression wheel 7 is hung on a box 4 to form a stop step 8;

FIG. 2 is a bottom view of the box 4 before compression.

FIG. 3 is a front view in which a compression cord 14 is attached to the box 4;

FIG. 4 is a partial vertical cross-sectional view showing a state where the connection bundle A is insulated and encased in a box 4;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Stopping object 2 Insulated wire 3 Step 4 Box 5 Open mouth 6 Sloping wall 7 Compression ring 8 Stopping step 9 Wrinkle 10 Electric wire 11 Sleeve 12 Connector 13 Through ring 14 Compression cord

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) H02G 3/08 H01R 4/70 H02G 15/08

Claims (3)

(57) [Claims] An inner side is provided with a space for inserting a connection bundle formed by binding the tips of a plurality of electric wires to each other, and one surface is provided with an opening for inserting the connection bundle into an internal space. In the joint box for electric wiring having the above, in order to form a stop step on the peripheral wall of the box, the peripheral wall is compressed and reduced in diameter to engage with a wire bundle of a plurality of electric wire tips inserted into the space. A joint box for electric wiring, comprising a compression wheel or a compression cord. 2. An inner side is provided with a space for inserting a connection bundle formed by binding the tips of a plurality of electric wires to each other, and an opening portion for inserting the connection bundle into an internal space is provided on one surface. In the method of attaching the joint box for electric wiring having a connection bundle formed by binding the ends of a plurality of electric wires to each other, a peripheral wall of the box is compressed to form a stop step, and the connection bundle is opened. A method of attaching a joint box for electric wiring to a connection bundle of electric wiring, wherein the connection bundle is inserted into the internal space by pushing and pushing a stop step of the part. 3. An inner side is provided with a space for inserting a connection bundle formed by binding the tips of a plurality of electric wires to each other, and an opening portion for inserting the connection bundle into an internal space is provided on one surface. In a method of attaching a joint box for electric wiring having a connection bundle formed by binding the ends of a plurality of electric wires to each other, after covering the box on the connection bundle, compressing a peripheral wall of the box to form a stopping step. A method of attaching a joint box for electric wiring to a connection bundle of electric wiring, wherein the connection bundle is formed to prevent the connection bundle from falling out of the stop step.