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a contact box

A contact box and threaded hole technology, which is applied in the field of contact boxes, can solve the problems of having to reinstall, being unable to have concave-convex reminders on the surface of the contact box, and being unable to notice the opening of the contact box, etc., to achieve the effect of convenient installation

Inactive Publication Date: 2015-10-07
NINGBO DONGBO ELECTRIC POWER TECH
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  • Summary
  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

Due to the particularity of the installation of the contact box, during installation, the installer and the contact box are separated by a curved partition, and cannot see all of the contact box. Holes and screw holes, unable to notice whether the direction corresponding to the opening of the contact box is correct
At the same time, due to the particularity of the surface of the contact box, the surface of the contact box must be very smooth, and it is impossible to set a concave-convex reminder on the surface of the contact box, and the installer cannot use the sense of touch to judge the direction corresponding to the opening of the contact box, so that when installing , often wrong installation occurs, it must be re-installed, time-consuming and labor-intensive

Method used

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Embodiment Construction

[0013] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0014] see figure 1 and image 3 Shown: a contact box, including a mounting hole 4, a bottom 5 and an opening 7. There are threaded holes 1 and mounting holes 4 on the bottom 5 . Due to the barrier of the curved partition during installation, the installer can only see the threaded hole 1 and the installation hole 4 exposed outside the curved partition, and cannot observe the direction corresponding to the opening 7 . At the same time, due to the particularity of the surface of the contact box, the surface of the contact box must be smooth, and no concave-convex reminders can be provided on the surface of the contact box, so that the installer cannot use the sense of touch to sense the direction of the contact box opening 7 . A fluorescent sticker 2 inside a specific threaded hole 1. The installer observes the inside of the threade...

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Abstract

The invention discloses a contactor case, and belongs to the field of insulating parts of power distribution cabinets. The contactor case comprises a shell body, a plurality of threaded holes and an installation hole used for installing a fixed contactor are formed in the bottom portion of the shell body, and at least one threaded hole is provided with an indicating device. Compared with the prior art, the contactor case mainly solves the problem that previously the installation direction of the contactor case is easy to mistake.

Description

technical field [0001] The invention belongs to an insulating part of a power distribution cabinet, in particular to a contact box. Background technique [0002] In the field of high-voltage electrical appliances, the snare insulator of the high-voltage switchgear is composed of a contact box, a curved partition and a bushing. The contact box has a transition function for incoming and outgoing lines and is an indispensable component. After using the contact box, the installation and maintenance of the circuit are very convenient. The quality of the contact box directly affects the safety of the entire high-voltage switch. Now, the contact box is usually pressure gel molded by epoxy resin APG process. Due to the particularity of the installation of the contact box, during installation, the installer and the contact box are separated by a curved partition, and cannot see all of the contact box. holes and screw holes, it is impossible to notice whether the corresponding direc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02B1/14
Inventor 郑远
Owner NINGBO DONGBO ELECTRIC POWER TECH
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