JP2001258117A - Cable untwisting tool - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an easy-to-use cable untwisting tool capable of untwisting cables of various diameters with a single tool. SOLUTION: This tool consists of a ring-shaped holder H, a plurality of mounting plates 3, 4, 5 that are screwed to the inside of the holder H with mounting members 8, 12, 13, and handles 6, 7 that are extended in line in the direction of radius to the outside of the holder H. The mounting plates 3, 4, 5 are provided on the holder H at an equal angle and a knob 9 integrated with the mounting member is attached to at least one of the mounting plates 3. The rotation of the knob 9 makes adjustable the distance between the mounting plates 3 and a gripped cable.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cable untwisting tool capable of temporarily loosening a twisted cable.

[0002]

2. Description of the Related Art When a twisted cable is used by being inserted into a conduit installed in the ground or in a building, it is necessary to provide a waterproof treatment at the open end of the conduit, that is, at the conduit opening. This waterproofing treatment is performed by fitting a waterproofing device as shown in Japanese Utility Model Publication No. 56-38894. In order to fit the waterproofing device, a untwisting tool is used to once untwist the cable. I was

As a cable untwisting tool, there is a cable untwisting tool as disclosed in Japanese Utility Model Laid-Open Publication No. 61-156418. In this cable untwisting tool, as shown in FIG. 4, flat portions 23 are extended from both left and right sides of a curved surface portion 22 to which a twisted cable is fitted, and through holes 24, 24 are opened in both flat portions 23, 23. And a control rod 25 which can be inserted through the through holes 24, 24 of the holding pieces 21, 21 in series.

[0004]

However, in the conventional cable untwisting tool described above, although the number of parts is small and the operability is good, the inner diameter of the holding piece 21 is predetermined, and the operation of the holding piece 21 and The size of the cross section formed by the rod 25 was necessarily limited. Accordingly, the thickness of the cable that can be untwisted with this cable untwisting tool is one type, which is extremely inconvenient for the untwisting operation of many types of cables. There is a problem that many tools must be prepared.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional problems, and provides an excellent usability cable twisting tool capable of twisting cables of various thicknesses with a single cable twisting tool. To provide.

[0006]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a ring-shaped holder, a plurality of mounting plates screwed inside the holder by a mounting member, and a diameter outside the holder. A handle extending linearly in the direction, wherein the plurality of mounting plates are disposed at an equal angle to the holder, and at least one mounting plate is mounted with a knob integral with the mounting member, The distance between the mounting plate and the cable can be adjusted by rotating the knob.

Further, the present invention provides a method for manufacturing a vehicle comprising:
This can also be achieved by a discrete configuration. According to the above configuration, the size of the triangular space formed by the three mounting plates can be adjusted by the mounting plate that can be adjusted in the radial direction. Therefore, cables of various thicknesses are pinched and twisted by one tool. It can be returned.

The holder comprises an upper holder and a lower holder, and the upper holder is formed so as to be openable with respect to the lower holder. According to the above configuration, when the working cable cannot be inserted into the holder, the upper holder can be opened and the cable can be set in the holder, so that various cables can be handled and the working efficiency can be improved. Becomes

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A cable untwisting tool according to the present invention will be described in detail with reference to the drawings. FIG. 1 is a partially broken front view showing a cable untwisting tool of the present invention, and FIG.
FIG. 3 is a front view showing a holder of the cable untwisting tool in FIG. 1, and FIG. 3 is an explanatory diagram showing a cable untwisting operation by the cable untwisting tool in FIG. 1.

As shown in FIG. 1, the cable untwisting tool according to the present invention comprises a ring-shaped holder H, and three rectangular mounting plates 3, 4, 5 screwed inside the holder H. A handle 6 extending linearly in the radial direction outside the holder 1
7, and the three mounting plates 3, 4, 5 are disposed on the holder 1 at an equal angle of 120 degrees. A knob 9 is attached to a tip of a mounting bolt 8 which is a mounting member mounted on one mounting plate 3 among the mounting plates 3, 4, and 5. The distance between the holder 3 and the center of the holder H can be adjusted. The mounting member is not limited to a bolt.

The holder H is formed of a metal such as steel, stainless steel, or brass, or a natural or synthetic resin of a polymer compound, and has a ring shape as a whole. The holder H is provided with three screw holes at an equal angle (120 °), and the mounting plates 3, 4, and 5 are provided with mounting bolts 8, 12, and 1 respectively.
3 is screwed. Screw holes (not shown) are provided at diagonal positions of the holder H, and the handles 6, 7 are screwed into the holder holes. And it is formed so that opening is possible.

As shown in FIG. 2, the holder H is configured to be separable into an upper holder 1 and a lower holder 2, and one end of the upper holder 1 is supported by a fixing pin 10 and the other end thereof. It can be opened. The opening is closed by being pinned by a hinge pin 11 and is convenient for attaching the mounting plates 3, 4, and 5. When attaching to the cable C, the opening can be opened and the attachment can be made at any position.

The mounting plates 3, 4, and 5 are mounted on mounting bolts 8, 12, and 13, respectively, and screwed to the holder H as shown in FIG. This mounting plate 3,
Rubber spacers 3a, 4a, and 5a are attached to the portions of the ends 4 and 5 that come into contact with the cable C so that the cable C can be pressed without damaging it. The mounting plates 3, 4, 5 and the respective mounting bolts 8, 12, 13 are mounted such that the tips of the mounting bolts 8, 12, 13 are ball-shaped so that the respective mounting bolts 8, 12, 13 can rotate freely. Is formed.

One of the mounting plates 3, 4, 5 has a mounting bolt 8 extended and a knob 9 mounted at the tip. The knob 9 is turned by hand when tightening the cable C. Fixing nuts 14 and 15 are attached to the distal ends of the mounting bolts 12 and 13 of the mounting plates 4 and 5, and are fixed to the holder H. The mounting plates 4 and 5 are fixed in a normal case, but their positions can be adjusted according to the thickness of the cable C. In this case, the mounting member may not be a bolt or a nut.

FIG. 3 shows a method for performing a cable untwisting operation using the cable untwisting tool configured as described above.
It will be described based on. First, as shown in FIG.
By turning the knob 9, the mounting plate 3 is pulled up to make the cable C wide enough to be inserted into the holder H, and the cable C is set in the holder H. Then, FIG.
As shown in (b), the user turns the knob 9 to lower the mounting plate 3 and lowers it to a position where the cable C can be fitted together with the mounting plates 4 and 5. Then, holding the handles 6 and 7 with both hands, a rotational force is applied in a direction opposite to the twist of the cable C.

As a result of this operation, since the holder H is rotated, if the twist of the cable C is released, waterproof processing is performed, and the mounting plate 3 is turned upward by turning the knob 9 as shown in FIG. Pull up to release the cable C from the pressurized state. If the cable C cannot be pulled out of the holder H, the hinge pin 11 is pulled out to open the upper holder,
It is also possible to remove the cable C from the holder H.

In the cable untwisting tool configured as described above, since the position of the mounting plate 3 can be set at various positions by turning the knob 9, there is no problem even if the thickness of the cable C varies. Can work without any problems.

It should be noted that the present invention is not limited to the above-described embodiment, and it is needless to say that various embodiments can be made within the scope of the claims. For example, a plurality of mounting plates are 3
The number is not limited to four and may be four or more. Further, it is needless to say that not only one adjustable mounting plate but also two or more adjustable mounting plates may be provided.

[0019]

As described above, the cable untwisting tool according to the present invention comprises a ring-shaped holder, a plurality of rectangular mounting plates screwed inside the holder, and a pair of mounting plates on the outside of the holder. A handle extending in a square shape, wherein the plurality of mounting plates are disposed at an equal angle to the holder, and at least one mounting plate is provided with a screw and a knob integrated with a screw. Since the distance between the mounting plate and the center of the holder can be adjusted by rotating the knob, the size of the space formed by the plurality of mounting plates can be adjusted by the mounting plate that can be adjusted in the radial direction. It is an excellent effect that cables of various thicknesses can be pinched and untwisted with the above tool.

Further, the holder comprises an upper holder and a lower holder, and the upper holder is formed so as to be openable to the lower holder. When the cable is opened, the cable can be set in the holder, so that it is possible to cope with various cables and to improve the working efficiency.

[Brief description of the drawings]

FIG. 1 is a partially broken front view showing a cable untwisting tool of the present invention.

FIG. 2 is a front view showing a holder of the cable untwisting tool shown in FIG. 1;

FIGS. 3A and 3B are explanatory views showing a cable untwisting operation by the cable untwisting tool of FIG. 1, wherein FIG. 3A shows a preparation state, and FIG. 3B shows an operation state.

FIG. 4 is a perspective view showing a conventional cable untwisting tool.

[Explanation of symbols]

 H Holder C Cable 1 Upper holder 2 Lower holder 3 Mounting plate 4 Mounting plate 5 Mounting plate 6 Handle 7 Handle 8 Mounting bolt 9 Knob 10 Fixing pin 11 Hinge pin 12 Mounting bolt 13 Mounting bolt 14 Nut 15 Nut

Continued on the front page (72) Inventor Hirokazu Asano 138-1 Hanzawa-Yashiki-mae, Shiraishi-shi, Miyagi Prefecture Tohoku Electric Power Co., Inc. Shiraishi Sales Office (72) Inventor Keisho Abkawa 6-2 Mukaihara, Kutori-ji, Tashiro-ku, Sendai City, Miyagi Prefecture. No.Nippon Nippon Electric Cable Co., Ltd. (72) Inventor Naoki Aihara No. 6-2, Mukaihara Mae, Hakutori-ku, Taishiro-ku, Sendai-city, Miyagi Prefecture

Claims (3)

[Claims] 1. A holder comprising: a holder; a plurality of mounting plates screwed to the inside of the holder with a mounting member; and a handle extending linearly in a radial direction outside the holder. The mounting plate is disposed on the holder at an equal angle, and at least one mounting plate has a knob integrated with the mounting member mounted thereon, and the distance between the mounting plate and the cable can be adjusted by rotating the knob. A cable untwisting tool characterized by the following. 2. The cable untwisting tool according to claim 1, wherein the number of the plurality of mounting plates is three. 3. The cable twist according to claim 1, wherein the holder comprises an upper holder and a lower holder, and the upper holder is formed so as to be openable with respect to the lower holder. Return tool.