Miniature fuse type isolating switch

A technology of isolating switches and fuses, applied in the field of small fuse type isolating switches, can solve the problems of low electrical parameters and can not meet the needs of customers, achieve simple structure, improve rated stamping withstand voltage and rated insulation voltage, safety high performance effects

Pending Publication Date: 2020-11-13
浙江金莱勒电气有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Therefore, the technical problem to be solved by the present invention is to overcome the defect that the small fuse type isolating switch in the prior art has low electrical parameters and cannot meet the needs of customers in some special occasions, so as to provide a small fuse with high electrical parameters. switch disconnector

Method used

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  • Miniature fuse type isolating switch
  • Miniature fuse type isolating switch
  • Miniature fuse type isolating switch

Examples

Experimental program
Comparison scheme
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Embodiment

[0046] This embodiment provides a small fuse type isolating switch, such as figure 1 and 9 As shown, it includes a base 1 , a cover plate 7 and a rear guard plate 8 .

[0047] The left and right sides of the base 1 are respectively provided with two rows of the contacts 2, as Figure 3-5 As shown, a plurality of first screws 5 are arranged between the two rows of the contacts 2, and the base 1 is provided with a screw insulating sleeve 6 surrounding the first screws 5, and the screw insulating sleeve 6 has Two, the two screw insulating sleeves 6 are connected through a connecting plate 61, and the connecting plate 61 is connected with the base 1 through an elastic hook structure, such as Figure 6 As shown, the elastic hook structure includes a hanging hole 13 on the base 1 , and an elastic hook 62 on the connecting plate 61 that can be hooked and connected to the hanging hole 13 . The contact 2 is fixedly connected with the base 1 through the second screw 22, such as Fi...

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PUM

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Abstract

The invention provides a miniature fuse type isolating switch, which comprises a plurality of contacts arranged on a base, an elastic contact part capable of being clamped with a fusible core being arranged at one end of each contact, the other end of each contact being connected with a wiring terminal, and a first partition plate being arranged between every two adjacent wiring terminals; and a second partition plate, arranged between the two adjacent contacts, the left end surface of the second partition plate exceeding the elastic contact part, and the right end surface of the second partition plate extending into an inner cavity formed by the two adjacent first partition plates. By lengthening the end faces of the two sides of the second partition plate, the creepage distance and the electrical gap between every two adjacent contacts are increased, then the rated stamping withstand voltage and the rated insulation voltage of the product are improved, and the use requirements of customers in some special occasions are met.

Description

technical field [0001] The invention relates to the technical field of electrical switches, in particular to a small fuse type isolating switch. Background technique [0002] The isolating switch is usually used with a fuse, which has two functions of "load breaking" and "isolation", and a fuse can be added to each pole for "overload and short circuit protection", making full use of the protection characteristic curve of the fuse to realize the Protect the equipment in cables and lines, and provide a clear disconnection point during maintenance to ensure the personal safety of the staff. [0003] Existing small fuse type isolating switches such as Figure 11 and 12 As shown, it includes a base 01, a plurality of contacts 02 arranged on the base, and connecting terminals 03 connected to the contacts 02. A first partition 04 is arranged between two adjacent connecting terminals 03, and adjacent A second partition 05 is provided between the two contacts 02, wherein the left e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H9/02H01H9/10H01H85/20
CPCH01H9/02H01H9/0271H01H9/10H01H85/20H01H85/2045H01H85/205H01H2085/209
Inventor 刘德先
Owner 浙江金莱勒电气有限公司
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