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Wire fusing unit

A fuse unit and fuse technology, which is applied to electrical components, circuits, emergency protection devices, etc., can solve the problems of increasing the inventory of the fuse element 51 in the mold cost, manufacturing time, etc.

Inactive Publication Date: 2011-09-21
YAZAKI CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, this causes a problem of mold cost, manufacturing time of the mold, and inventory increase of the fuse element 51.

Method used

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Embodiment Construction

[0029] Hereinafter, embodiments of the present invention will be described with reference to the drawings.

[0030] Figures 1 to 6 An embodiment of the invention is shown in which figure 1 is an exploded perspective view of fuse unit 1, figure 2 is a cross-sectional view of fuse unit 1, image 3 is a perspective view of fuse element 2, Figure 4 is a plan view of the shell body 11, and Figures 5A to 5C is a plan view showing the fuse unit in a state where the braided wires 3 of the fuse element 2 are arranged in different lengths.

[0031] Such as Figures 1 to 4 As shown, the fuse unit 1 includes a fuse element 2 and a protective case 10 accommodating the fuse element 2 therein. The fuse element 2 includes a braided wire 3 as a fusible portion, and a pair of terminal portions 4 fixed to both ends of the braided wire 3 . The braided wire 3 is constituted by weaving a wire material (not assigned a reference numeral) into a mesh structure and is capable of expanding a...

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PUM

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Abstract

The present invention provides a wire fusing unit which comprises the following components: a conductive braiding wire which can extend and shrink in a length direction, and terminals which are fixed at two ends of the braiding wire; and a protecting housing which fixes the terminals at a state that the braiding wire is set to an anticipated length.

Description

technical field [0001] The invention relates to a fuse unit. Background technique [0002] Patent Document 1 discloses a conventional fuse unit. Such as Figure 6 and 7 As shown, the fuse unit 50 includes a fuse element 51 and a protective case 60 for accommodating the fuse element 51 . [0003] The fuse element 51 has a pair of terminal portions 52 , a pair of leg plate portions 53 respectively connected to the terminal portions 52 , and a fusible portion 54 connecting the pair of leg plate portions 53 together. Typically, the fuse element 51 is formed by pressing a conductive metal plate. [0004] The protective case 60 includes a case body 61 having a fuse accommodation chamber 64 , a transparent cover 62 for covering an upper opening in the case body 61 , and a partition 63 provided in a lower opening in the case body 61 . [0005] The protective case 60 is placed between a pair of electrical connection parts 70 . The pair of terminal portions 52 protruding from the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H85/05H01H85/08H01H85/175
Inventor 高桥朝子
Owner YAZAKI CORP