Light guide structure and multimedia sound box

The utility model discloses a light guide structure and a multimedia sound box, the light guide structure is applied to a PCB (Printed Circuit Board) provided with a light-emitting piece, the light guide structure comprises a lightproof lampshade and a light-transmitting light guide piece, the lamps...

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Bibliographic Details
Main Author LIU QUANHONG
Format Patent
LanguageChinese
English
Published 29.11.2019
Subjects
ADVERTISING
CRYPTOGRAPHY
DEAF-AID SETS
DISPLAY
DISPLAYING
EDUCATION
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
LABELS OR NAME-PLATES
LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS
PHYSICS
PUBLIC ADDRESS SYSTEMS
SEALS
SIGNS
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Summary:The utility model discloses a light guide structure and a multimedia sound box, the light guide structure is applied to a PCB (Printed Circuit Board) provided with a light-emitting piece, the light guide structure comprises a lightproof lampshade and a light-transmitting light guide piece, the lampshade is provided with a fixing groove, and the fixing groove is provided with a plurality of spacingwalls arranged at intervals so as to divide the fixing groove into a plurality of light guide grooves; the light guide piece is contained in the fixing groove, and a plurality of clamping grooves areformed in the face, facing the partition wall, of the light guide piece. A clamping part embedded into the clamping groove is arranged at one end, facing the light guide piece, of the partition wall;the cross section of the clamping part comprises an arc-shaped section protruding towards the light guide piece, the clamping groove comprises an arc-shaped groove matched with the clamping part, andthe light-emitting piece is
Bibliography:Application Number: CN201920667135U