KEY SWITCH SUPPLEMENTAL STRUCTURE

WIPO Patent Application WO/2020/073428

A1

A key switch supplemental structure, comprising a bottom plate (1), a conductive circuit board (3), a key cap (4), connecting piece scissors (5), and an elastic key (6). Holes are provided on the bottom plate (1) and the conductive circuit board (3); a fixing structure (2) is formed at the positions of the holes on the bottom plate hole (1) by means of insert molding; the upper surface of the fixing structure (2) is higher than the upper surface of the conductive circuit board (3); the fixing structure (2) is connected and fixed to the bottom plate (1) by means of plastics filled in the holes; the bottom plate (1) is provided with at least two through holes, one side of each through hole is provided with a protrusion or a recess, and the protrusion or the recess can be wrapped in the plastics of the fixing structure (2). In such a bottom plate hole forming mode, the parts of the fixing structure on the upper and lower surfaces of the bottom plate can be connected by means of the plastics in the two through holes, and the protrusions or the recesses on the bottom plate can be wrapped in the plastics, so that the strength of the fixing structure can be enhanced, the stability of the fixing structure can be increased, and the fixing structure is not prone to fall off or turn over from the bottom plate.

LI WENFENG (CN)

PCT/CN2018/116120

April 16, 2020

November 19, 2018

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JIANGSU TRANSIMAGE TECH CO LTD (CN)

H01H13/705; H01H3/12

CN102110543A	2011-06-29
CN107492457A	2017-12-19
CN108172440A	2018-06-15
CN107240516A	2017-10-10

YANGZHOU RUN ZHONG PATENT AGENCY (CN)

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