Speaker box and electronic device

Patent metadata

Field	Value
Publication number	US-11317181-B2
Application number	US-202016995781-A
Country	US
Kind code	B2
Filing date	Aug 17, 2020
Priority date	Jun 27, 2019
Publication date	Apr 26, 2022
Grant date	Apr 26, 2022

Abstract

The present invention provides a speaker box and an electronic device. The speaker box includes: a case having a receiving space; a speaker body having a sound outlet and received in the receiving space; and a graphite sheet received in the receiving space and connected to both the speaker body and the case. The speaker body divides the receiving space into a front cavity in communication with the sound outlet and a rear cavity opposite to the front cavity. The electronic device uses the speaker box. Compared with the related art, the speaker box and the electronic device provided by the present invention have a better heat dissipation effect.

First claim

What is claimed is:

1. A speaker box, comprising:
a case having a receiving space;
a speaker body having a sound outlet and received in the receiving space; and
a graphite sheet received in the receiving space and connected to both the speaker body and the case,
wherein the speaker body divides the receiving space into a front cavity in communication with the sound outlet and a rear cavity opposite to the front cavity, the case comprises an upper cover and a lower cover, and the upper cover and the lower cover together defines the receiving space, wherein the lower cover comprises a body portion, a through hole penetrating through the body portion and in communication with the receiving space, and a copper alloy sheet completely covering the through hole and fixed to the body portion, the graphite sheet is connected to both the speaker body and the copper alloy sheet, the speaker body, the body portion, the copper alloy sheet, and the upper cover together define the rear cavity; the speaker body comprises a front end, at which the sound outlet is provided, and a rear end opposite to the front end; and the through hole directly faces the rear end, the copper alloy sheet comprises a body part completely covering the through hole, the graphite sheet comprises a first surface and a second surface that are opposite to each other, the first surface is adhesively fixed to the rear end, and the second surface is adhesively fixed to the body part.

2. The speaker box as described in claim 1 , wherein the copper alloy sheet comprises at least one fixing wall extending from a periphery of the body part towards the upper cover while being bent, wherein the at least one fixing wall is embedded into the body part.

3. The speaker box as described in claim 2 , wherein the at least one fixing wall comprises at least one first fixing wall, and at least one second fixing wall spaced from the at least one first fixing wall, wherein each of the at least one second fixing wall comprises a first portion extending from the periphery of the body part towards the upper cover while being bent, and a second portion extending from an end of the first portion close to the upper cover in a direction facing away from the body part.

4. The speaker box as described in claim 3 , wherein the body part has a rectangular shape, the at least one first fixing wall comprises a plurality of first fixing walls arranged at four sides of the body part, and the at least one second fixing wall comprises two second fixing walls arranged at one side of the body part.

5. The speaker box as described in claim 3 , wherein the second portion is parallel to the body part.

6. The speaker box as described in claim 1 , wherein the copper alloy sheet and the body portion are formed into one piece by injection molding.

7. An electronic device, comprising:
a housing having an accommodating space; and
the speaker box as described in claim 1 and fixed into the accommodating space.

Assignees

• Aac Technologies Pte Ltd

Inventors

• Li Jinming

Classifications

• H04R2201/029

  Manufacturing aspects of enclosures transducers · CPC title

• H04R2400/11

  Aspects regarding the frame of loudspeaker transducers · CPC title

• H04R2201/02

  Details casings, cabinets or mounting therein for transducers covered by H04R1/02 but not provided for in any of its subgroups · CPC title

• H04R1/025 Primary

  Arrangements for fixing loudspeaker transducers, e.g. in a box, furniture · CPC title