US 12,438,971 B2
Electronic device with a sound-emitting assembly
Lele Li, Dongguan (CN); and Ningjie Zheng, Dongguan (CN)
Assigned to VIVO MOBILE COMMUNICATION CO., LTD., Dongguan (CN)
Filed by VIVO MOBILE COMMUNICATION CO., LTD., Guangdong (CN)
Filed on Apr. 22, 2023, as Appl. No. 18/138,048.
Application 18/138,048 is a continuation of application No. PCT/CN2021/125012, filed on Oct. 20, 2021.
Claims priority of application No. 202011146121.9 (CN), filed on Oct. 23, 2020.
Prior Publication US 2023/0262155 A1, Aug. 17, 2023
Int. Cl. H04M 1/03 (2006.01); H04M 1/02 (2006.01); H04R 1/02 (2006.01); H04R 1/28 (2006.01)
CPC H04M 1/035 (2013.01) [H04M 1/026 (2013.01); H04M 1/0266 (2013.01); H04M 1/0274 (2013.01); H04M 1/0277 (2013.01); H04R 1/021 (2013.01); H04R 1/025 (2013.01); H04R 1/2811 (2013.01); H04R 1/2888 (2013.01); H04R 2499/11 (2013.01)] 6 Claims
OG exemplary drawing
 
1. An electronic device, comprising: a display module, a middle frame, a sound-emitting assembly, a first circuit board, a first structural member, and a back shell, wherein
the middle frame is provided with an accommodating groove, the display module is disposed in the accommodating groove, the sound-emitting assembly, the first circuit board, the first structural member, and the back shell are disposed on a side, away from the display module, of the middle frame, and the sound-emitting assembly, the first circuit board, and the first structural member are located in an installation cavity formed by the back shell and the middle frame;
the sound-emitting assembly comprises a housing and a sound-emitting component, the housing is provided with a first cavity, the sound-emitting component is located in the first cavity and divides the first cavity into a front cavity and a rear cavity, and the housing is further provided with a first sound guide hole and a second sound guide hole, the first sound guide hole communicates with the front cavity, and the second sound guide hole communicates with the rear cavity;
the first structural member and the first circuit board enclose a first space, the first structural member is provided with a third sound guide hole, and the rear cavity communicates with the first space through the second sound guide hole and the third sound guide hole;
there is a first gap between the first structural member and the back shell, and a second gap between the housing and the back shell;
the housing comprises a first housing part and a second housing part connected to each other, the first housing part and the second housing part are in a shape of hollow cuboids, a thickness, in a thickness direction of the display module, of the first housing part, is greater than a thickness, in the thickness direction of the display module, of the second housing part, the first sound guide hole is disposed in the first housing part, and the second sound guide hole is disposed in the second housing part; and
the second housing part is located between the back shell and the first structural member, the second sound guide hole is disposed in a contact surface, in contact with the first structural member, of the second housing part, and the third sound guide hole is disposed in the first structural member and opposite to the second sound guide hole.