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Shield reed

A reed and inner reed technology, applied in the field of electromagnetic shielding, can solve problems such as poor electromagnetic shielding performance, and achieve the effects of good electromagnetic shielding performance, simple structure and convenient manufacturing.

Active Publication Date: 2020-10-16
NANJING VOCATIONAL UNIV OF IND TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a shielding reed to solve the technical defect of poor electromagnetic shielding performance in the prior art

Method used

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Embodiment Construction

[0024] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0025] The shielding reed shown in the figure includes an outer reed 1 and an inner reed 2, and the outer reed 1 and the inner reed 2 are detachably installed.

[0026] Described outer reed 1 comprises the outer reed body 11 that is made of annular sheet metal, the first outer surface of described outer reed body 11 is used for fitting with base 3, the outside of outer reed body 11 Evenly be provided with a plurality of outer elastic teeth 12, the width of the end of the outer spring teeth 12 connected with the outer spring body 11 is greater than the width of the end away from the outer spring body 11, the outer elastic teeth 12 is located on the first inner surface side of the outer reed body 11, and there is an outer gap between adjacent outer elastic teeth 12, and the outer elastic teeth 12 can be stressed in the axial direction of the o...

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PUM

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Abstract

The invention discloses a shielding reed, comprising an outer reed and an inner reed, wherein the outer reed comprises an outer reed body made of an annular metal piece, the first outer surface of theouter reed body is used for fitting with a base, the outer side of the outer reed body is provided with a plurality of outer elastic piece teeth, and the outer elastic piece teeth are located on oneside of the first inner surface of the outer reed body; the inner reed comprises an inner reed body made of an annular metal piece, the second outer surface of the inner reed body is used for fittingwith the first inner surface of the outer reed body, the outer side of the inner reed body is provided with a plurality of inner elastic piece teeth, the inner elastic piece teeth are located on one side of the second inner surface of the inner reed body, the tops of the inner elastic piece teeth are used for contacting a cover plate, and the inner elastic piece teeth can shrink inwards when the inner reed body is subjected to a force in the axial direction; and the inner elastic piece teeth and the outer elastic piece teeth are staggered, and the height of the outer reed body is less than orequal to the height of the inner reed body. The scheme of the invention has the beneficial effect of good electromagnetic shielding performance.

Description

technical field [0001] The invention relates to a shielding reed, which belongs to the technical field of electromagnetic shielding. Background technique [0002] The problem of electromagnetic interference is an urgent problem faced by communication equipment. In order to solve the problem of electromagnetic interference, the Chinese utility model patent No. ZL2012207257380 discloses a shielding reed. The shielding reed includes an annular metal sheet. A plurality of spring teeth are evenly arranged on the outer edge, and the spring teeth and the annular metal sheet are inclined inwardly by 0-60° with the vertical surface, and part of the electromagnetic radiation is blocked by the spring teeth. Due to the gap between the spring teeth of the shielding reed, the electromagnetic radiation It can still radiate out from the gap between two adjacent spring teeth, its electromagnetic shielding performance is still not good, and it will still generate electromagnetic interference ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05K9/00
Inventor 雷震邹丽芳
Owner NANJING VOCATIONAL UNIV OF IND TECH