Speaker and terminal device

Patent metadata

Field	Value
Publication number	US-11930345-B2
Application number	US-202117525928-A
Country	US
Kind code	B2
Filing date	Nov 14, 2021
Priority date	May 15, 2019
Publication date	Mar 12, 2024
Grant date	Mar 12, 2024

Abstract

A speaker is provided, including a speaker housing and a speaker body. The speaker body is connected to the speaker housing, the speaker body and the speaker housing form a cavity, the cavity includes a first inner cavity and a second inner cavity, and the first inner cavity and the second inner cavity are connected through a connecting hole.

First claim

What is claimed is:

1. A speaker, comprising a speaker housing and a speaker body, wherein the speaker body is connected to the speaker housing, the speaker body and the speaker housing form a cavity, the cavity comprises a first inner cavity and a second inner cavity, and the first inner cavity and the second inner cavity are connected through a connecting hole;
the speaker housing comprises a housing body, a support sheet, and the support sheet is disposed on the housing body, the support sheet has a first groove recessed toward the speaker body; and
the support sheet is provided with a second mounting hole, the second mounting hole is arranged in a center of a bottom wall, facing the opening, of the first groove, the second mounting hole is equipped with a tube member, and the tube member connects the first sub-cavity and the second inner cavity.

2. The speaker according to claim 1 , wherein the speaker body and the speaker housing form the first inner cavity, and the speaker housing has the second inner cavity.

3. The speaker according to claim 2 , wherein the first inner cavity comprises a first sub-cavity and a sound output channel, the sound output channel is connected to the first sub-cavity, and the first sub-cavity is connected to the second inner cavity through the connecting hole.

4. The speaker according to claim 3 , wherein the speaker housing comprises a first housing and a second housing that is detachably connected to the first housing, the speaker body is disposed between the first housing and the second housing, the first sub-cavity is formed between the speaker body and the second housing, and the second housing is provided with the sound output channel.

5. The speaker according to claim 4 , wherein the second housing comprises a sealing sheet, the sealing sheet covers an opening of the first groove and together with the first groove, forms the second inner cavity, and an inner wall of the first groove is provided with the connecting hole.

6. The speaker according to claim 5 , wherein the housing body is provided with a first mounting hole, the support sheet is arranged in the first mounting hole, and a surface on which the opening of the first groove on the support sheet is located is coplanar with an outer surface of the housing body.

7. The speaker according to claim 6 , wherein the surface on which the opening of the first groove on the support sheet is located is coplanar with an outer surface of the sealing sheet.

8. The speaker according to claim 5 , wherein a support platform is arranged in the first groove, and the sealing sheet is pasted on the support platform.

9. The speaker according to claim 5 , wherein the support sheet is a steel sheet for support.

10. The speaker according to claim 5 , wherein the speaker body comprises a diaphragm and a dome, the dome has a second groove that matches a shape of the first groove, and the dome fits the diaphragm.

11. The speaker according to claim 10 , wherein the speaker body comprises an inner magnet and a magnetic conductive sheet arranged on the inner magnet, the magnetic conductive sheet is arranged on one side, facing the diaphragm, of the inner magnet, and a third groove is arranged in an area through which the magnetic conductive sheet is opposite to the second groove.

12. The speaker according to claim 1 , wherein a fastening member is fastened on the support sheet, the fastening member has a threaded hole corresponding to the second mounting hole, an outer wall of the tube member has threads, and the tube member penetrates through the support sheet by using the second mounting hole and is screwed into the threaded hole.

13. The speaker according to claim 2 , wherein the first inner cavity comprises a first sub-cavity and a sound output channel, the sound output channel is connected to the first sub-cavity, and the sound output channel is connected to the second inner cavity through the connecting hole.

14. The speaker according to claim 1 , wherein the speaker body has the second inner cavity.

15. A terminal device, comprising a speaker, wherein
the speaker comprises a speaker housing and a speaker body, the speaker body is connected to the speaker housing, the speaker body and the speaker housing form a cavity, the cavity comprises a first inner cavity and a second inner cavity, and the first inner cavity and the second inner cavity are connected through a connecting hole;
the speaker housing comprises a housing body, a support sheet, and the support sheet is disposed on the housing body, the support sheet has a first groove recessed toward the speaker body; and
the support sheet is provided with a second mounting hole, the second mounting hole is arranged in a center of a bottom wall, facing the opening, of the first groove, the second mounting hole is equipped with a tube member, and the tube member connects the first sub-cavity and the second inner cavity.

16. The terminal device according to claim 15 , wherein the speaker body and the speaker housing form the first inner cavity, and the speaker housing has the second inner cavity.

17. The terminal device according to claim 16 , wherein the first inner cavity comprises a first sub-cavity and a sound output channel, the sound output channel is connected to the first sub-cavity, and the first sub-cavity is connected to the second inner cavity through the connecting hole.

18. The terminal device according to claim 17 , wherein the speaker housing comprises a first housing and a second housing that is detachably connected to the first housing, the speaker body is disposed between the first housing and the second housing, the first sub-cavity is formed between the speaker body and the second housing, and the second housing is provided with the sound output channel.

Assignees

• Vivo Mobile Communication Co Ltd

Inventors

• Jiang Guozhu
• Long Lifeng

Classifications

• H04R9/06 Primary

  Loudspeakers · CPC title

• H04R9/025

  Magnetic circuit · CPC title

• H04R9/18

  Resonant transducers, i.e. adapted to produce maximum output at a predetermined frequency · CPC title

• H04R7/127 Primary

  dome-shaped · CPC title

• H04R1/021

  incorporating only one transducer · CPC title