JP4376429B2 - Insulation cover for high pressure cutout switch - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an insulating cover for a high-voltage cutout switch, and more specifically, when a high-voltage cutout switch is opened and a distribution line is constructed, the high-voltage cutout switch body is covered to prevent electric shock or misoperation. The present invention relates to an insulating cover for a high-pressure cutout switch that can reliably prevent the lid from closing.
[0002]
[Background Art and Problems to be Solved by the Invention]
Conventionally, as an insulating cover for this type of high-voltage cutout switch, a pair of lead wire cover cylindrical bodies protrudes on both sides of a rectangular cap-shaped cover body that can be externally fitted to the high-voltage cutout switch body. It is known that an expansion cut is formed along the longitudinal direction of each cylindrical body (see Japanese Utility Model Laid-Open No. 2-150637).
[0003]
And the conventional example comprised as mentioned above respond | corresponds by expanding each cylindrical body along a notch | incision, applying the cover main body to the whole surface of the high voltage | pressure cutout switch main body opened and covering. The lead wire to be inserted is inserted, and the cylindrical portion is fitted to and attached to the outlet of the lead wire.
[0004]
However, in the above conventional example, the insulating cover can be securely attached to the main body of the high-voltage cutout switch, but on the other hand, each cylindrical portion is expanded along the cut and the lead wire is inserted. It is impossible to install it by using the required indirect hot wire gripping tool, etc., and it is unavoidable to inevitably rely on manual work, and as a result, it is easy to cause serious problems. .
[0005]
In order to solve the problems of the conventional example, a substantially downward U-shaped cover body that can be fitted on the high-voltage cutout switch body, and the cover body is covered with a surface tape. An insulating cover is disclosed which is made of a resin sheet that can be attached, and in which a closing piece is integrally formed at one end of the resin sheet so as to close an open end of the cover body. (See Kaihei 6-77412).
[0006]
In the conventional example configured as described above, the cover body is gripped by a required indirect hot-line gripping tool such as a Yatco, and is fitted on the lid-shaped high-pressure cutout switch body from above, and is then attached to the cover body. The resin sheet is attached in a covering form via an indirect hot wire gripping tool, and the front open portion of the cover body is closed by a closing piece. Then, when carrying out the construction work of the distribution line, the closing piece is removed to open the open part of the cover main body, and the high-voltage cutout switch main body is opened to perform the required work.
[0007]
However, in the above conventional example, the insulating cover can be safely mounted on the high-voltage cutout switch body with a required indirect hot wire gripping tool such as a yatco, but on the other hand, it is constituted by the cover body and the resin sheet. Therefore, the cover body must be externally fitted to the high-pressure cutout switch body with an indirect hot-line gripping tool, and a resin sheet must be attached to the cover body in a covering form. The mounting work is very cumbersome and time-consuming, and not only the work efficiency is extremely poor, but also the cover body is only fitted and held on the high-pressure cutout switch body. It is difficult to do.
[0008]
The present invention solves the above-mentioned problems of the conventional example, and can be safely, quickly and surely installed with a required indirect hot wire gripping tool such as Yatco, and an insulating cover for a high pressure cutout switch. Is to provide.
[0009]
[Means for Solving the Problems]
That is, the invention according to claim 1 is a substantially U-shaped cover body 2 that can be externally fitted to the high-voltage cutout switch body 17 and can be gripped by the indirect live wire gripping tool 22, and the cover. The upper cover member 3 formed at the upper end of the main body 2 and a pair of lead wire hook pieces 9 provided on both sides of the lower end of the cover main body 2 are arranged at the tip of the upper cover member 3. The gist of the insulating cover for the high-voltage cutout switch is characterized in that a pair of hooking pieces 5 on both sides that can be hooked to the lead wire outlet 20 are formed in a hanging shape at the part. It is.
[0010]
According to the second aspect of the present invention, the upper cover member 3 is formed at the upper end of the cover main body 2 via the hinge 4 so as to be foldable, and is attached to the cover main body 2 via the engaging members 7 and 8. The gist of the insulating cover for a high-voltage cutout switch according to claim 1, wherein the insulating cover for the high-voltage cutout switch is characterized in that it can be engaged perpendicularly.
[0011]
According to a third aspect of the present invention, there is provided the insulating cover for a high-voltage cutout switch according to the first aspect, wherein the upper cover member 3 is formed integrally with the upper end of the cover main body 2 so as to be orthogonal. It is a summary.
[0012]
According to the fourth aspect of the present invention, the cover body 2 is formed with a recess 10 into which the tip of the indirect hot wire gripping tool 22 can be fitted, and a knob 11 is provided in the recess 10. The gist of the insulating cover for a high-voltage cutout switch according to any one of claims 1 to 3.
[0013]
The invention according to claim 5 is characterized in that the upper cover member 3 is provided with an abutting piece 6 extending at the tip of the high pressure cutout switch main body 17 at the front end thereof. The gist of the insulating cover for a high-voltage cutout switch according to any one of claims 1 to 4.
[0014]
According to the sixth aspect of the present invention, a pair of latching grooves 13 on both sides are formed in the cover body 2 via the recesses 10 so that both side edges of the high-pressure cutout switch body 17 are fitted and latched. A gist of the insulating cover for a high-voltage cutout switch according to any one of claims 1 to 5.
[0015]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be described based on an example shown in the drawings.
1 and 2 show an embodiment of the present invention, in which 1a is an insulating cover integrally formed of an insulating plastic material, and 2 is a cover body constituting the insulating cover-1a. The cover body 2 is formed in a substantially U-shape that can be fitted over the entire surface of the open-lid high-voltage cutout switch body 17 described later. 3 is a substantially U-shaped upper cover member integrally formed at the upper end of the cover body 2 via a hinge 4 so as to be foldable, and 5 is a curved side wall of the upper cover member 3. A pair of pull-out hooks on both sides formed in a hanging shape by notching, 6 is a contact piece extending at the same level at the tip of the upper cover member 3, and 7 is a base of the upper cover member 3. With the engagement holes formed on both sides of the edge, the upper cover member 3 is engaged by engaging the engagement holes 7 with engagement protrusions 8 projecting on both sides of the upper part of the cover body 2. The main body 2 can be engaged perpendicularly. Reference numeral 9 is a pair of lead wire hook pieces horizontally provided at the lower end of the cover body 2, 10 is a rectangular recess formed substantially in the middle of the cover body 2, and 11 is the middle position of the recess 10. The knob 11 is made upright by being fitted into a recess 10 by inserting a tip of a gripping piece 23 of a yatco 22 which will be described later. 12 is a convex for preventing sideways formed on both upper and lower sides of the knob 11, and 13 is a pair of latching grooves formed on both sides of the cover body 2 through the recess 10.
[0016]
In addition, 14 is a high-voltage cutout switch attached to a brace 15 of a utility pole (not shown) via a mounting bracket 16, 17 is a box-shaped high-pressure cutout switch body constituting the high-voltage cutout switch 14, and 18 is A lid with a contact blade 19 that opens and closes the high-pressure cut-out switch body 17, 20 is an annular outlet that protrudes symmetrically on both sides of the high-pressure cut-out switch body 17, and 21 is an outlet 20 that has a lower portion on both sides. It is a leader line drawn more. Reference numeral 22 denotes a yatco having a pair of gripping pieces 23 at the upper end.
[0017]
When the insulating cover 1a constructed as described above is attached to the high-voltage cutout switch 14 having an open lid shape, the upper cover member 3 is first folded through the hinge 4 as shown in FIG. By bending and engaging the engaging protrusion 8 with the engaging hole 7, the cover body 2 is engaged perpendicularly. After that, the gripping piece 11 of the cover main body 2 is gripped by the gripping piece 23 and approached to the front surface of the high-pressure cutout switch main body 17 with the yatco 22, and the abutting piece 6 is tilted from the upper side to the high-pressure cutout switch main body 17. The upper cover member 3 is externally fitted and covered while being applied to the upper end surface (see FIG. 4), and the latching pieces 5 on both sides are latched to the corresponding outlets 20 respectively. At this time, since the knob 11 is formed on the cover body 2, it can be easily operated by being gripped by the yatco 22, and the abutting piece 6 is extended on the upper cover member 3. Therefore, the hook piece 9 and the hook piece 9 described later can be supported at three points, and can be stably fitted and held.
[0018]
Next, the cover main body 2 is fitted on the front surface while the front side edges of the high pressure cutout switch body 17 are fitted and latched in the latch grooves 13 on both sides, and the hook pieces 9 on both sides are respectively connected to the corresponding lead lines 21. Hang on. At this time, since the cover body 2 is formed with a pair of retaining grooves 13 on both sides, the inner surface of the inner surface of the retaining groove 13 when the high-pressure cutout switch body 17 is small as shown in FIG. In case of large size, the outer wall inner surface of the locking groove 13 is fitted and locked in the crocodile so that the high pressure cutout switch body 17 can be securely fitted regardless of the size. It can be locked.
When the mounting of the upper cover member 3 and the cover main body 2 is completed, the gripping of the knob 11 is released by the yatco 22 and the mounting operation is completed.
[0019]
FIG. 6 shows another embodiment of the insulating cover-1b according to the present invention, which differs from the above embodiment in that the upper cover member 3 is integrally formed orthogonally to the upper end of the cover body 2. The other parts are the same, and the same reference numerals indicate the same parts.
[0020]
In addition, in the said Example, although the Yatco 22 is shown as an indirect hot wire holding tool, it is not limited to this, The other well-known indirect hot wire holding tool can be used.
[0021]
【The invention's effect】
According to the first aspect of the present invention, the substantially U-shaped cover main body 2 that can be externally fitted to the high-voltage cutout switch main body 17 and that can be gripped by the indirect live wire gripping tool 22 according to the above. The upper cover member 3 is formed at the upper end of the cover main body 2 and a pair of lead wire hook pieces 9 provided on both sides of the lower end of the cover main body 2. Since the pair of latching pieces 5 on both sides that can be freely latched by the lead wire outlet 20 is formed in a hanging shape at the tip of the member 3, the cover body 2 is gripped by the indirect hot wire gripping tool 22. While being fastened, it is fitted to the lid-shaped high-pressure cutout switch body 17 so that the hooking piece 5 can be hooked to the outlet 20 and the hook piece 9 can be hooked to the lead wire 21 with a simple operation. Insulation cover-1a and 1b are open-covered high pressure cover Extremely safe to bet out the switch body 17, moreover, quickly, and, are those that can be allowed to mounted securely work efficiently.
[0022]
According to the second aspect of the present invention, the upper cover member 3 is formed at the upper end portion of the cover main body 2 via the hinge 4 so as to be foldable, and via the engaging members 7 and 8. The upper cover member 3 is bent through the hinge 4 and is attached to the cover body 2 through the engaging members 7 and 8 because the cover body 2 can be engaged with the cover body 2 at right angles. It can be securely engaged perpendicularly, and as a result, it can be easily fitted on the lid-shaped high-pressure cutout switch body 17. In addition, when not in use, it can be easily stored and stored without being bulky by extending in a straight line.
[0023]
According to the third aspect of the invention, the upper cover member 3 is integrally formed orthogonally to the upper end portion of the cover body 2 depending on the above. It can be easily fitted outside.
[0024]
According to the fourth aspect of the present invention, as described above, the cover body 2 is formed with the concave portion 10 into which the tip of the indirect hot wire gripping tool 22 can be fitted, and the concave portion 10 has a knob 11. Since the tip of the indirect hot wire gripping tool 22 can be inserted into the recess 10 to grip the knob 11, the insulative hot wire gripping tool 22 can be used as an insulating cover. -1a and 1b can be securely gripped and the mounting operation can be performed by an indirect hot wire method.
[0025]
According to the invention of claim 5, depending on the above, the abutting piece 6 that can be brought into contact with the upper end of the high-pressure cutout switch main body 17 is extended at the tip of the upper cover member 3. By bringing the abutting piece 6 into contact with the upper end surface of the high-pressure cutout switch body 17, the hook piece 9 and the hook piece 9 can be supported in a three-point support, and the insulating cover-1a. 1b can always be externally fitted and held stably.
[0026]
According to the invention described in claim 6, depending on the above, a pair of latch grooves 13 on both sides of the cover body 2 via the recess 10 in the cover body 2 in order to fit both sides of the high-voltage cutout switch body 17 to each other. Since the front and rear side edges of the high pressure cutout switch body 17 can be fitted and latched using the inner surfaces of the inner and outer walls of the latch groove 13, the size of the high pressure cutout switch body 17 can be reduced. Regardless of this, the fitting can be surely engaged.
[Brief description of the drawings]
FIG. 1 is a rear perspective view showing an embodiment of the present invention.
FIG. 2 is a front perspective view showing an embodiment of the present invention.
FIG. 3 is a cross-sectional view showing a mounting state of the embodiment.
4 is a partially enlarged rear view showing a state in which the upper cover member 3 of the embodiment is externally fitted to the high-voltage cutout switch body 17. FIG.
FIG. 5 is a partially enlarged horizontal sectional view showing a state in which the high-voltage cutout switch body 17 is fitted and locked in the locking groove 13 of the embodiment.
FIG. 6 is a side view showing another embodiment of the present invention.
[Explanation of symbols]
1a ・ 1b Insulation cover
2 Cover body 3 Upper cover member 4 Hinge 5 Latch piece 6 Contact piece 7 Engagement hole 8 Engagement protrusion 9 Hook piece 10 Recess 11 Latch piece 13 Latch groove 14 High pressure cutout switch 17 High pressure cutout switch body 20 Leader 21 Leader 22 Yatco

Claims (6)

A substantially U-shaped cover body 2 that can be externally fitted to the high-pressure cutout switch body 17 and that can be gripped by the indirect live wire gripping tool 22, and an upper portion formed at the upper end of the cover body 2 The cover member 3 and a pair of lead wire hook pieces 9 arranged on both sides of the lower end portion of the cover body 2 are provided on the leading end of the upper cover member 3 at the lead wire outlet 20. An insulating cover for a high-pressure cutout switch, wherein a pair of hooking pieces 5 on both sides which are freely hooked are formed in a hanging shape. The upper cover member 3 is formed at the upper end of the cover body 2 via a hinge 4 so as to be foldable, and can be engaged with the cover body 2 at right angles via engagement members 7 and 8. The insulating cover for a high-voltage cutout switch according to claim 1, wherein 2. An insulating cover for a high-voltage cutout switch according to claim 1, wherein the upper cover member is integrally formed with the upper end portion of the cover main body in an orthogonal shape. A recess 10 is formed in the cover body 2 so that a tip portion of an indirect hot wire gripping tool 22 can be freely inserted therein, and a knob 11 is provided in the recess 10. Insulation cover for high-pressure cut-out switch according to 1 to 3. 5. The high pressure cutout according to claim 1, wherein a contact piece 6 is provided at the tip of the upper cover member 3 so as to be able to contact the upper end of the high pressure cutout switch body 17. Insulation cover for switch. The pair of latching grooves (13) on both sides are formed in the cover body (2) through a recess (10) so as to engage and latch both side edges of the high-pressure cutout switch body (17). An insulating cover for the high-pressure cutout switch according to 1 to 5.

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