JPS5922764Y2 - Terminal structure of corrugated metal sheath cable - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a terminal structure for a corrugated metal sheathed cable, and particularly to a terminal structure suitable for connecting a corrugated metal sheathed cable to a terminal box or the like.

Conventional terminal structures of this type have disadvantages in that the structure is complex, it is difficult to attach the corrugated metal sheathed cable to the terminal section, and it is not easy to securely fix the cable.

The purpose of the present invention is to eliminate the drawbacks of the prior art described above, and to provide a terminal structure for a corrugated metal sheath cable that has a simple structure and can be easily and reliably fixed to the terminal section of the cable. .

The feature of this invention is that a tubular fastener is temporarily fixed to the corrugated metal sheath of the corrugated sheathed cable using a set screw at the part where a part of the anticorrosive sheath is peeled off. At the same time, the cable is electrically conductive, and a sealing tape is partially interposed between the axially inner side of the stopper and the terminal side, from at least the axially inner outer circumference to the outer circumference of the anti-corrosion sheath of the cable. The structure is such that a heat-shrinkable tube is inserted and fixed in this state.

The present invention will be explained in detail below using the embodiments shown in FIGS. 1 to 4.

FIG. 1 is a cross-sectional view showing one embodiment of the terminal structure of the present invention, and FIG. 2 is a side view of FIG. 1.

In FIG. 1, reference numeral 1 denotes a corrugated metal sheath cable, and this cable 1 has a corrugated metal sheath 3 and an anti-corrosion sheath 4 sequentially applied to the outer periphery of a cable core 2.

A tubular fastener 5 is attached to the outer periphery of the anti-corrosion sheath 4 at the end of the cable 1, and is temporarily fixed to the corrugated metal sheath 3 exposed by peeling off a portion of the anti-corrosion sheath 4 with a set screw 6. It is electrically connected to the sheath 5.

A thick part 7 is provided in the center of the stopper 5, and a screw is cut on the outer periphery of this part. A nut-shaped head 13 is used so that it can be tightened and fixed to a screw such as 12.

In addition, heat-shrinkable tubes 14 and 15 are inserted into the cylindrical portions and the outer periphery of both sides of the stopper 5 in the axial direction. A sealing tape 16 is wrapped around.

The heat-shrinkable tube 14 is inserted up to the part where the sealing tape 17 is wrapped around the outer periphery of the anti-corrosion sheath 4 of the corrugated metal sheath cable 1, and the heat-shrinkable tube 15 is inserted around the cable core 2 of the cable 1. The heat-shrinkable tubes 14 and 15 are inserted to the outer periphery, and the heat-shrinkable tubes 14 and 15 are shrunk by heating, and the stopper 5 is securely fixed to the outer periphery of the anti-corrosion sheath 4 of the cable 1, and the heat-shrinkable tubes 14 and 15 are This is to completely prevent water from entering between the sheath 4 and the sheath 4.

According to the above-described embodiment of the present invention, the end structure consists of the cylindrical stopper 5 and the heat-shrinkable tubes 14 and 15, so the horizontal tube is simple.

Further, since the stopper 5 can be fixed simply by heating the heat-shrinkable tubes 14 and 15, it can be fixed easily and reliably.

In addition, FIG. 3 is a cross-sectional view showing another embodiment of the present invention.
FIG. 4 is a side view of FIG. 3.

In FIG. 3, the same parts as in FIG. 1 are indicated by the same symbols,
The explanation will be omitted here.

In FIG. 3, the heat-shrinkable tube 15 of FIG. 1 is omitted.

Depending on the purpose of use or usage environment of the terminal structure of the corrugated metal sheathed cable 1, the structure shown in FIG. 3 may be adopted, and the effect will be the same.

As explained above, according to the present invention, the structure is simple,
This has the effect that it can be easily and reliably fixed to the cable end.

[Brief explanation of drawings]

FIG. 1 is a cross-sectional view showing one embodiment of the terminal structure of the present invention, FIG. 2 is a side view of FIG. 1, FIG. 3 is a cross-sectional view showing another embodiment of the present invention, and FIG. The figure is a side view of FIG. 3. 1: Corrugated metal sheath cable, 2: Cable core, 3:
Corrugated metal sheath, 4: Anti-corrosion sheath, 5: Stopper, 6:
Set screw, 12: Terminal box, 14, 15: Heat shrinkable tube, 16.17 Niji ring tube.

Claims (1)

[Scope of utility model registration request] In a terminal structure for connecting a corrugated metal sheath cable to a terminal box, etc., in which a corrugated metal sheath and an anti-corrosion sheath are sequentially applied to the outer circumference of the cable core, the anti-corrosion sheath is applied to the outer circumference of the anti-corrosion sheath of the cable. A tubular stopper which is temporarily fixed to the corrugated metal sheath with a set screw at a partially peeled off part and is electrically conductive, and an outer periphery of at least the axially inner side of the stopper on the axially inner side and the terminal side. A terminal portion of a corrugated metal sheathed cable, characterized in that the terminal portion is made up of a heat-shrinkable tube inserted from the cable to the outer periphery of the anti-corrosion sheath of the cable with a sealing tape interposed between each of the tubes. structure.