JPH0631630Y2 - Switch conductor connecting device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention has a cylindrical body formed inside a case of a porcelain insulator attached to the case, a movable conductor of a switch inside the case, and an inside of the cylindrical body. And a fixed conductor of No. 2 are connected by a flexible conductor.

[Conventional technology]

A conventional switch conductor connecting device of this kind is shown in FIGS.
It is configured as shown in the figure.

In these drawings, (1) is a movable conductor for opening and closing a switch consisting of a vacuum valve in the case, (2) is a porcelain tube attached to the case, (3) is formed inside the porcelain tube (2) case Skirt shaped cylindrical body, (4) is the fixed conductor of the porcelain insulator (2) led out inside the cylindrical body (3), (5) is the movable conductor (1) and the fixed conductor (4)
Is a flexible conductor connected to.

In the case of FIG. 3, the end fittings (6) are attached to both ends of the flexible conductor (5), and the end fittings (6) are attached to the end surface of the movable conductor (1) and the fixed conductor, respectively. The flexible conductor (5) is arranged in a flat U shape by being fixed to the end surface of (4) by a set screw (7) such as a bolt.

Next, in the case of FIG. 4, the flexible conductor (5) is turned upside down with respect to the end fittings (6) in the fixed state of the end fittings (6) so that the flexible conductor ( 5) is arranged in a horizontal S shape.

Further, in the case of FIG. 5, the flexible conductor (5) is attached to the central mounting member (8).
The center part of the flexible conductor (5), and the end fittings (6) on both ends of the flexible conductor (5), and the center fitting (8) on the end face of the movable conductor (1).
To the flat surface formed on the upper and lower surfaces of the fixed conductor (4), and attach both end mounting brackets (6) to the upper and lower surfaces of the fixed conductor (4). The metal fitting (6) is fixed with the set screw (7).

Next, in the case of FIG. 6, as in the case of FIG. 5, the central portion of the flexible conductor (5) is attached to the central end fitting (8), and the flexible conductor is attached.
Insert both ends of (5) into the long fixed end fitting (9) by inserting it from both sides, and then fix the fixed end fitting (9) with a drawing die.
Bend in the shape of a letter, fix the central end fitting (8) to the end face of the movable conductor (1) with the setscrew (7), and fix the fixed end fitting (9) to the fixed conductor.
It is fixed to the end face of (4) with a set screw (7).

[Problems to be solved by the device]

In the case of FIG. 3 and FIG.
Since there is one flexible conductor (5) between (1) and the fixed conductor (4),
The cross-sectional area of the flexible conductor (5) becomes large in order to secure the current carrying capacity,
Flexibility is impaired, and the flexible conductor (5) contacts the inner surface of the cylindrical body (3) due to the opening / closing movement of the movable conductor (1),
There is a problem that the insulation is deteriorated due to line breakage of (5) and stain of the inner surface of the cylindrical body (3).

Further, in the case of FIG. 5, a fixed conductor is provided in the cylindrical body (3).
(4) Since the mounting brackets (6) at both ends are mounted on the upper and lower surfaces from above and below with the setscrews (7), the mounting work is extremely difficult and there is a problem that productivity is deteriorated.

Next, in the case of FIG. 6, since the fixed end fitting (9) is bent into a U shape by the drawing die, the drawing die is required, and the drawing die is worn, so that the drawing die is damaged. However, it lacks durability and is expensive.

The present invention has been made in consideration of the above points, and an object of the present invention is to provide a switch conductor connecting device which maintains flexibility of a flexible conductor, is easy to install, has excellent productivity, and is inexpensive.

[Means for Solving the Problems]

A switch conductor connecting device of the present invention for solving the above problems will be described below with reference to FIG. 1 corresponding to an embodiment.

The present invention relates to a switch housed in a case (10), a movable conductor (1) for opening and closing the switch, a porcelain tube (2) attached to the case (10), and the porcelain tube (2). A cylindrical body (3) formed inside the case (10), a fixed conductor (4) of the porcelain insulator (2) led out inside the cylindrical body (3), and the movable conductor (1) In a switch conductor connecting device comprising a flexible conductor (5) connecting the fixed conductor (4) and the fixed conductor (4), a central mounting metal fitting (8) is attached to the central portion of the flat flexible conductor (5). The flexible conductor from both sides of the central mounting bracket (8).
(5) is drawn out, the L-shaped end fittings (12) are attached to the tips of the flexible conductors (5), and the central fitting (8) is attached to the end surface of the movable conductor (1). , The central mounting member (8) and the flexible conductor
The set screw (7) is inserted through the through hole (13) of (5) and fixed, and both the flexible conductors (5) are bent outwards outside the cylindrical body (3), and the cylinder is also formed. It is formed in a straight line inside the body (3), and the both end fittings (12) are superposed on the end face of the fixed conductor (4) and the both end fittings are fixed by one set screw (7). It is fixed.

[Action]

The switchgear conductor connecting device of the present invention constructed as described above has flexible conductors (5) led out from both sides of the central mounting member (8).
Attach the L-shaped end fittings (12) to both ends of, and screw the central fitting (8) to the end surface of the movable conductor (1) of the switch.
Both flexible conductors (5) are bent outwards of the cylindrical body (3) and are formed linearly inside the cylindrical body (3), and end faces of the fixed conductor (4) of the porcelain insulator (2). To both ends mounting bracket (12)
The movable conductor (1) and the fixed conductor
(4) is connected with two flexible conductors (5), the current carrying capacity is sufficient and flexibility is maintained, and the central mounting bracket (8) and both end mounting brackets (12) are movable conductors. (1) and fixed conductor (4)
Since it is attached to the end face of the product, the installation work is easy and the productivity is good, and the end mounting bracket (12) is L-shaped, can be formed by ordinary press working, is inexpensive, and is flexible. The conductor (5) does not contact the inner surface of the cylindrical body (3).

〔Example〕

An embodiment will be described below with reference to FIGS. 1 and 2.

In these drawings, the same symbols as those in FIGS. 3 to 6 indicate the same things, and (10) is a case accommodating a switch, and a porcelain insulator (2) is attached thereto. (11) is a drive, which is connected to the movable conductor (1) of the switch, and the switch is turned on and off by the left and right movement of the movable conductor (1) by the left and right swing of the drive (11).

Then, a central mounting member (8) is attached to the central portion of the flat flexible conductor (5), and the flexible conductor (5) is led out from both sides of the central mounting member (8). An L-shaped end fitting (12) is attached to the tip of the flexible conductor (5), the central fitting (8) is attached to the end face of the movable conductor (1), and the central fitting (8) and the aforementioned The set screw (7) is inserted into the through hole (13) of the flexible conductor (5) and fixed, and both the flexible conductors (5) are bent outwards outside the cylindrical body (3). , Is formed in a straight line inside the cylindrical body (3), and the end fittings (12) are superposed on the end surface of the fixed conductor (4) to form the end fittings.
It is fixed by a set screw (7).

In the figure, (14) is a plain washer and (15) is a spring washer.

[Effect of device]

Since the present invention is configured as described above, it has the following effects.

Two flexible conductors led out from both sides of the central mounting bracket (8)
Since the movable conductor (1) and the fixed conductor (4) are connected by (5), sufficient current carrying capacity can be obtained and the flexible conductors (5)
The cross-sectional area of is small and sufficient flexibility can be obtained.

Furthermore, the L-shaped end fittings (12) are attached to the tips of the two flexible conductors (5), and the end fittings (12) are superposed on the end surfaces of the fixed conductor (4) and screwed together. Therefore, the screwing work is easy and the productivity can be improved.

Moreover, since the end fitting (12) is L-shaped, it does not require a drawing die, can be formed by ordinary press working, and can be manufactured at low cost.

Moreover, since both flexible conductors (5) are bent outwards outside the cylindrical body (3) and are formed linearly inside the cylindrical body (3), the flexible conductor (5) is The switch can be miniaturized without coming into contact with the inner surface of the cylindrical body (3) and causing no insulation deterioration.

[Brief description of drawings]

1 is a cut-away front view of an embodiment of a switch conductor connecting device of the present invention, FIG. 2 is a cut-away side view of a part of FIG. 1, and FIGS. 3 to 6 are cut-away front views of a conventional example, respectively. It is a figure. (1) ... movable conductor, (2) ... insulator tube, (3) ... cylindrical body, (4) ... fixed conductor, (5) ... flexible conductor, (7) ... set screw, (8) ... central mounting bracket, (10)… Case, (12)… End fittings.

Continuation of the front page (51) Int.Cl. ⁵ Identification code Office reference number FI technical display location H02B 5/02 Z

Claims (1)

[Scope of utility model registration request] 1. A switch housed in a case, a movable conductor for opening and closing the switch, and a porcelain insulator mounted in the case.
Opening and closing provided with a cylindrical body formed inside the case of the porcelain bushing, a fixed conductor of the porcelain bushing led out inside the cylindrical body, and a flexible conductor connecting the movable conductor and the fixed conductor In the equipment conductor connecting device, a central mounting member is attached to the central portion of the flat flexible conductor, and the flexible conductor is led out from both sides of the central mounting member.
Attach L-shaped end fittings to the ends of the flexible conductors,
The central mounting member is fixed to the end surface of the movable conductor by inserting a set screw through the central mounting member and the through hole of the flexible conductor, and the both flexible conductors are outwardly bent outside the cylindrical body. A switch conductor connection formed by bending and forming a straight line inside the cylindrical body, and superposing the both end fittings on the end surface of the fixed conductor to fix the both end fittings with one set screw. apparatus.