US 12,088,994 B2
Speaker box
Zhang Ren, Shenzhen (CN); and Zhiwei Zhong, Shenzhen (CN)
Assigned to AAC Microtech (Changzhou) Co., Ltd., Changzhou (CN)
Filed by AAC Microtech (Changzhou) Co., Ltd., Changzhou (CN)
Filed on Nov. 26, 2021, as Appl. No. 17/535,717.
Claims priority of application No. 202011507719.6 (CN), filed on Dec. 18, 2020.
Prior Publication US 2022/0201384 A1, Jun. 23, 2022
Int. Cl. H04R 1/28 (2006.01); H04R 1/02 (2006.01)
CPC H04R 1/2811 (2013.01) [H04R 1/021 (2013.01); H04R 2400/11 (2013.01); H04R 2499/11 (2013.01)] 3 Claims
OG exemplary drawing
 
1. A speaker box, comprising:
a housing having a receiving space; and
a sounding unit received in the housing, the housing comprising a plastic member and a reinforced rigid body fixed to the plastic member by injection molding, the plastic member comprising a bottom wall connected to the reinforced rigid body and a blocking wall connected to the bottom wall, the sounding unit being mounted in the blocking wall, wherein
the speaker box further comprises a solder terminal electrically connecting the sounding unit to an external circuit, the solder terminal comprises a main body portion fixed to the bottom wall by injection molding, a first electrical connection portion extending from the main body portion to an exterior of the receiving space and electrically connected to the external circuit, and a second electrical connection portion extending from the main body portion and electrically connected to the sounding unit, the plastic member further comprises an enclosure extending from the bottom wall to a direction away from the reinforced rigid body, the enclosure is separated from the blocking wall by a distance and encloses the main body portion, and the enclosure and the reinforced rigid body are bonded by glue, the reinforced rigid body entirely made of a metal material comprises a body, a sidewall bending and extending from the body, and a plurality of surrounding walls formed by extending from the body into the plastic member, the sidewall encloses the enclosure, the enclosure comprises a first enclosure end away from the body and a second enclosure end close to the body, and the body is sprayed with glue at a position corresponding to the second enclosure end and fixed to the enclosure by injection molding, the blocking wall comprises a first blocking wall end away from the body, a second blocking wall end close to the body, and an injection molded portion arranged on the first blocking wall end, the body is sprayed with glue at a position corresponding to the second blocking wall end and fixed to the blocking wall by injection molding, the surrounding walls are enclosed to form a tapered through hole, the injection molded portion is fixed to the tapered through hole by injection molding.