JP4187378B2 - Cable twisting tool - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a cable untwisting tool that can once loosen the twist of a twisted cable.
[0002]
[Prior art]
When a twisted cable is used by being inserted into a pipe line installed in the ground or a building, it is necessary to perform waterproofing at the opening end of the pipe line, that is, the pipe port. This waterproofing treatment is performed by fitting a waterproof device as shown in Japanese Utility Model Publication No. 56-38894. In order to fit this waterproof device, a twisting tool is used once to untwist the cable. It was.
[0003]
As this cable twisting tool, there was a cable twisting tool as shown in Japanese Utility Model Laid-Open No. 61-156418.
As shown in FIG. 4, the cable twisting tool extends flat portions 23 from the left and right sides of the curved surface portion 22 to which the twisted cable is fitted, and opens through holes 24, 24 in both flat portions 23, 23. Thus, the sandwiching piece 21 and the operation rod 25 that can be inserted into the through holes 24 and 24 of the sandwiching pieces 21 and 21 in series are configured.
[0004]
[Problems to be solved by the invention]
However, in the above-described conventional cable twisting tool, although the number of parts is small and the operability is good, the inner diameter of the clamping piece 21 is determined in advance, and the size of the cross section formed by the clamping piece 21 and the operating rod 25 is large. That was inevitably limited.
Therefore, the thickness of the cable that can be untwisted with this cable untwisting tool becomes one type, which is extremely inconvenient for the untwisting operation of many types of cables, depending on the thickness of the electric cable. There was a problem that many tools had to be prepared.
[0005]
The present invention has been made in view of the above-described conventional problems, and provides an easy-to-use cable unwinding tool that can untwist cables of various thicknesses with a single cable unwinding tool. It is.
[0006]
[Means for Solving the Problems]
In order to achieve the above object, the present invention is directed to a holder formed in a ring shape, a plurality of mounting plates screwed into the holder by mounting members, and radially opposed to the outer side of the holder. It has two extended handles, and the plurality of mounting plates can adjust the distance from the cable inserted into the holder, respectively, and a rubber spacer is attached to the portion that contacts the cable together are arranged at equal angles holder, at least one mounting plate of which are those of the distance between the mounting plate and the cable was adjustable constituted by knobs.
[0007]
The present invention can also be achieved by a configuration in which the plurality of mounting plates are three.
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, so that the cables of various thicknesses can be held and twisted with one tool. It can be returned.
[0008]
The holder includes an upper holder and a lower holder, and the upper holder is formed to be openable with respect to the lower holder.
According to the above configuration, when the cable to be operated 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 work efficiency can be improved. It becomes.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
The cable twisting tool according to the present invention will be described in detail with reference to the drawings.
1 is a partially broken front view showing a cable unwinding tool of the present invention, FIG. 2 is a front view showing a holder of the cable unwinding tool of FIG. 1, and FIG. 3 is a view of the cable unwinding tool of FIG. It is explanatory drawing which shows the twisting-back operation | work of a cable.
[0010]
As shown in FIG. 1, the cable untwisting tool of the present invention includes a ring-shaped holder H, three rectangular mounting plates 3, 4 and 5 screwed into the holder H, and the holder. The three mounting plates 3, 4, and 5 are arranged at an equal angle of 120 degrees on the holder 1. . A knob 9 is attached to the tip of a mounting bolt 8 which is a mounting member attached to one mounting plate 3 among the mounting plates 3, 4, 5. By rotating the knob 9, the mounting plate 3 and the center of the holder H can be adjusted. The attachment member is not limited to a bolt.
[0011]
The holder H is made of a metal such as steel, stainless steel, or brass, or a natural or synthetic resin of a polymer compound, and the entire shape is formed in a ring shape. The holder H is provided with three screw holes at an equal angle (120 °), and the mounting plates 3, 4, 5 are screwed together by mounting bolts 8, 12, 13. And the screw hole which is not shown in figure is provided in the diagonal position of this holder H, and the handles 6 and 7 are screwed in. And it is formed so that opening is possible.
[0012]
In addition, as shown in FIG. 2, the holder H is configured to be separable into an upper holder 1 and a lower holder 2 so that one end of the upper holder 1 is supported by a fixing pin 10 and the other end can be opened. It has become. This opening is pinned by a hinge pin 11 and closed, so that it is convenient to attach the mounting plates 3, 4, 5. And when attaching to the cable C, this opening part can be opened and it can attach in any position.
[0013]
Further, the mounting plates 3, 4, 5 are respectively mounted on mounting bolts 8, 12, 13 and screwed into a holder H as shown in FIG. 1. Rubber spacers 3a, 4a, and 5a are attached to portions of the mounting plates 3, 4, and 5 that are in contact with the cable C on the tip side so that the cables C can be pressed without being damaged. The mounting plates 3, 4, 5 and the respective mounting bolts 8, 12, 13 are mounted so that the tips of the mounting bolts 8, 12, 13 are ball-shaped so that the respective mounting bolts 8, 12, 13 can freely rotate. Is formed.
[0014]
Of these mounting plates 3, 4, 5, one mounting plate 3 has a mounting bolt 8 extended and a knob 9 mounted at the tip. The knob 9 is turned by hand when the cable C is tightened.
Further, fixing nuts 14 and 15 are attached to the front 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 normally fixed, but the position can be adjusted by the thickness of the cable C. In this case, the attachment member may not be a bolt or a nut.
[0015]
A method for performing the cable twisting operation using the cable twisting tool configured as described above will be described with reference to FIG.
First, as shown in FIG. 3A, the knob 9 is turned to raise the mounting plate 3 upward so that the cable C can be inserted into the holder H, and the cable C is inserted into the holder H. set.
Next, as shown in FIG. 3 (b), the knob 9 is turned to lower the mounting plate 3 downward to a position where the cable C can be fitted together with the mounting plates 4 and 5. Then, the grips 6 and 7 are held with both hands, and a rotational force is applied in the direction opposite to the twist of the cable C.
[0016]
As a result of this work, the holder H rotates, so that if the cable C is untwisted, waterproofing is performed, and as shown in FIG. Release C from pressure. When the cable C cannot be pulled out from the holder H, the hinge pin 11 can be pulled out to open the upper holder, and the cable C can be removed from the holder H.
[0017]
The cable untwisting tool configured as described above can turn the knob 9 to place the mounting plate 3 at various positions. Therefore, even if the cable C has various thicknesses, the work can be performed without any problem. It can be done.
[0018]
In addition, this invention is not limited to embodiment mentioned above, Of course, various aspects are possible within a claim.
For example, the number of mounting plates is not limited to three, but may be four or more. Further, it goes without saying that there may be not only one adjustable mounting plate but also two or more mounting plates.
[0019]
【The invention's effect】
As described above, the cable twisting tool of the present invention includes a ring-shaped holder, a plurality of rectangular mounting plates screwed into the inside of the holder, and diagonally extending outside the holder. The plurality of mounting plates are disposed at an equal angle on the holder, and a knob integral with a threaded screw is attached to at least one mounting plate. Since the distance between the mounting plate and the center of the holder is adjustable, 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. The present invention has an excellent effect that a cable having a thickness can be sandwiched and twisted back.
[0020]
The holder includes an upper holder and a lower holder, and the upper holder is formed so as to be openable with respect to the lower holder, so that the cable can be opened by opening the upper holder when the working cable cannot be inserted into the holder. Can be set in the holder, and it is possible to cope with various cables and to improve the work efficiency.
[Brief description of the drawings]
FIG. 1 is a partially broken front view showing a cable twisting tool of the present invention.
FIG. 2 is a front view showing a holder of the cable twisting tool in FIG. 1;
FIG. 3 is an explanatory view showing a cable untwisting operation by the cable twisting tool of FIG. 1;
(A) shows the ready state,
(B) shows a working state.
FIG. 4 is a perspective view showing a conventional cable unwinding 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

Claims (3)

A holder formed in a ring shape,
A plurality of mounting plates screwed together with mounting members inside the holder;
Becomes a, and two handles which extends opposite the linear radially outer side of the holder,
The plurality of mounting plates can each be adjusted with a distance from the cable inserted into the holder, and a rubber spacer is attached to a portion in contact with the cable and disposed at an equal angle to the holder , cable untwisted tool, characterized in that it is adjustable the distance between the cable and the mounting plate by at least one mounting plate knob of them.   The cable twist-back tool according to claim 1, wherein the number of the plurality of mounting plates is three. The holder comprises an upper holder and a lower holder,
The cable twisting back tool according to claim 1 or 2, wherein the upper holder is formed to be openable with respect to the lower holder.

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