JPH02517Y2 - - Google Patents

Description

[Detailed Description of the Invention] Industrial Application Field The present invention relates to a steel stranded wire terminal device for supporting utility poles and the like.

Problems to be solved by conventional techniques and ideas Figures 7 and 8 show the conventional end treatment means for stranded steel wire.
As shown in the figure.

The end treatment means for wrapping a galvanized iron wire with a diameter of about 1.5 to 2.0 mm to prevent it from warping as shown in Fig. 7 has sharp ends of the steel stranded wire 1 and galvanized iron wire 2, resulting in a lack of safety. Made cap 3 is quite effective in terms of safety, but it requires a cap that matches the outside diameter of wire 1, so it lacks versatility, and has the disadvantage that water droplets accumulate inside it easily and corrode the wire more easily than steel. It was hot.

Means for Solving the Problems The present invention involves forming a plurality of eye-shaped slit holes parallel to the axis on the inner side of the opening in the end cap body for stranded steel wire, which is a cylindrical end cap made of soft synthetic resin and has a bottom. On the inner surface, there are multiple rows of protruding thorn-like protrusions whose tips are curved toward the bottom and arranged parallel to the axis, and a drainage hole is provided at the bottom for use with stranded steel wire. In the slit hole portion of the steel stranded wire terminal cap that constitutes the terminal cap and is inserted into the cut portion of the steel stranded wire until it reaches the bottom, a binding member is wound across the outer periphery of the slit hole portion, and the binding member is The ends of the steel stranded wire end caps are tightened and fixed by the binding members.

Function: Since the present invention has a slit hole, the slit hole can contract to accommodate steel stranded wires of different diameters, and the terminal cap is tightened and fixed by wrapping the binding member around the slit hole. A single type of binding member can prevent it from warping and falling off, and since the tip of the protruding piece is curved toward the bottom, it is easy to get in during work and difficult to come out, and there is a drainage hole to prevent corrosion.

Embodiment FIG. 1 is a perspective view of the steel stranded wire terminal device of the present invention.
Fig. 2 is a front view of an embodiment of the terminal cap for stranded steel wire of the present invention, Fig. 3 is a longitudinal sectional view of Fig. 1, and Fig.
The figure shows a side view seen from the direction of the arrow in Figure 2.

In the figure, 4 is a soft vinyl end cap for steel stranded wire, 5 is the end cap body for steel stranded wire (hereinafter referred to as the cap body), 6 is a slit hole,
7 indicates a drain hole, and 8 indicates a protruding piece.

The structure of the terminal cap for stranded steel wire of the present invention will be explained.

The cap body 5 has a cylindrical shape with a bottom, and has a plurality of eye-shaped slit holes 6, for example 4 to 5, parallel to the axial direction and approximately one-third of the total length near the open end.
A drainage hole 7 is provided at the bottom, and barbed protrusions 8 are protruded from the inner surface in a plurality of rows, for example eight rows, and each row is provided with a plurality of barbed protrusions 8, with the tips of the protrusions 8 pointing toward the bottom. It is constructed by curving into an arc.

5A and 5B show a perspective view and a sectional view of the coil winding of the spring wire 9, which is a binding member for preventing warping and falling off. 10 is the spring wire body,
11 indicates a plastic coating part.

In the present invention, a cap body 5 having an inner diameter larger than the outer diameter of the steel stranded wire 1 of the present invention is inserted into the cut end of the steel stranded wire 1 until it touches the bottom, and a spring wire 9 is inserted into the slit hole 6 and the outer periphery. Wrapping, cap body 5
Tighten and secure it to the steel strand wire 1. To give an example, the diameter of the steel stranded wire is 10 to 12 mm, the length of the cap body is 50 to 60 mm, the thickness is 2 to 3 mm, and the length of the slit hole is 15 to 20 mm, which is about one-third of the total length. . Eight rows of protrusions are suitable for stably holding the steel stranded wire in the center, but any number may be used as long as it can hold the steel strand in the center.

FIG. 6 shows a perspective view of another embodiment of the present invention.

FIG. 6 shows the use of a plastic band 12 instead of a plastic-coated spring wire. 13 is a joint.

In this way, the present invention uses a material and shape that can be used as a binding member that can tighten the terminal cap 5 for stranded steel wire without damaging it.
Tightening end caps for steel stranded wire produces a similar effect.

Effects of the invention In the present invention, due to the gap in the eye-shaped slit hole 6, the slit hole 6 can be smoothly contracted in the circumferential direction and in the axial direction. By wrapping the
It can accommodate steel stranded wires 1 of different diameters, and has the effect of preventing cracking and falling off by using only one type of spring wire 9. Since the tip of the protruding piece 8 on the inside of the cap is curved toward the bottom, it is easy to enter during work, and difficult to come out, providing a short-term straw-preventing effect during work. The plastic coating part 11 has the effect of preventing corrosion of the coil spring wire 9 and preventing the cap body from being decapitated since the spring wire body does not come into direct contact with the cap body 5. In addition, since water drain holes are provided, there is no accumulation of water and there is an effect that corrosion is less likely to occur.

[Brief explanation of the drawing]

FIG. 1 is a perspective view of the steel stranded wire terminal device of the present invention;
Fig. 2 is a front view of an embodiment of the terminal cap for steel stranded wire of the present invention, Fig. 3 is a longitudinal sectional view of Fig. 1, and Fig. 4 is a longitudinal sectional view of Fig. 1.
The figure is a side view seen from the direction of the arrow in FIG. 2, FIG. FIG. 7 shows an example using a conventional galvanized iron wire, and FIG. 8 shows an example using a conventional vinyl cap. 1: Steel stranded wire, 2: Galvanized iron wire, 3: Vinyl cap, 4: Terminal cap for steel stranded wire,
5: Steel stranded wire terminal cap body, 6: Slit hole, 7: Drain hole, 8: Projection piece, 9: Spring wire,
10: Spring wire body, 11: Plastic coating part.

Claims (1)

[Scope of utility model registration request] A plurality of eye-shaped slit holes are formed in the cylindrical end cap body for stranded steel wire made of soft synthetic resin and parallel to the axis on the inside of the opening, and the tip of the inner surface is curved toward the bottom. A terminal cap for the steel stranded wire is constructed by providing multiple rows of protruding barb-shaped protrusions arranged parallel to the axis, and a drainage hole is provided at the bottom to form a terminal cap for the steel stranded wire. A binding member is wound across the outer periphery of the slit hole in the slit hole portion of the steel stranded wire terminal cap that is inserted until it reaches the bottom, and the steel stranded wire terminal cap is A steel stranded wire terminal device that is tightened and fixed to the steel stranded wire for terminal treatment.