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US-20260129356-A1 - LOUDSPEAKER HOUSING AND LOUDSPEAKER

US20260129356A1US 20260129356 A1US20260129356 A1US 20260129356A1US-20260129356-A1

Abstract

A loudspeaker housing and a loudspeaker are provided, which relate to the technical field of loudspeakers. The loudspeaker housing includes a shell and a sound-guiding structure which are integrally formed. The shell is provided with an assembly cavity and an installation opening, the assembly cavity is in communication with the outside through the installation opening, and a sound-emitting unit can reach into the assembly cavity through the installation opening. The sound-guiding structure is provided with a front cavity, a sound outlet and a working opening. The front cavity is in communication with the outside through the sound outlet, and is in communication with the assembly cavity through the working opening, and when the sound-emitting unit is installed in the assembly cavity, the sound-emitting unit closes the working opening. The loudspeaker adopts the above-mentioned loudspeaker housing, with which, the structure is simple.

Inventors

  • Jiawei ZHU
  • MingYa LUO

Assignees

  • MERRY ELECTRONICS (SUZHOU) CO., LTD.

Dates

Publication Date
20260507
Application Date
20250114
Priority Date
20241107

Claims (20)

  1. 1 . A loudspeaker housing, comprising a shell and a sound-guiding structure which are integrally formed, wherein the shell is provided with an assembly cavity and an installation opening, the assembly cavity is in communication with outside through the installation opening, and a sound-emitting unit is enabled to reach into the assembly cavity through the installation opening; and the sound-guiding structure is provided with a front cavity, a sound outlet and a working opening, the front cavity is in communication with the outside through the sound outlet, and is in communication with the assembly cavity through the working opening, and when the sound-emitting unit is installed in the assembly cavity, the sound-emitting unit closes the working opening.
  2. 2 . The loudspeaker housing according to claim 1 , wherein the sound-guiding structure comprises a tubular groove body and a surrounding wall which are connected to each other, the tubular groove body and the surrounding wall are both connected to the shell, a sound-guiding cavity is defined by the tubular groove body and the shell, the sound-guiding cavity is in communication with the outside through the sound outlet, a sound-gathering cavity in communication with the sound-guiding cavity is defined by the surrounding wall and the shell, the sound-gathering cavity is in communication with the assembly cavity through the working opening, and the sound-guiding cavity and the sound-gathering cavity constitute the front cavity.
  3. 3 . The loudspeaker housing according to claim 2 , wherein the working opening is arranged directly opposite to the installation opening.
  4. 4 . The loudspeaker housing according to claim 2 , wherein an opening direction of the working opening is set at an angle with respect to an opening direction of the installation opening.
  5. 5 . The loudspeaker housing according to claim 2 , wherein in a direction from the working opening to the sound outlet, a cross-sectional area of the sound-guiding cavity is smaller than a cross-sectional area of the sound-gathering cavity.
  6. 6 . The loudspeaker housing according to claim 2 , wherein the surrounding wall is provided with a side blocking part around the working opening, and the sound-emitting unit is enabled to be retained in the side blocking part.
  7. 7 . The loudspeaker housing according to claim 1 , wherein the sound-guiding structure is arranged in the shell, the sound outlet is arranged in an outer wall of the shell, and the assembly cavity is formed between the sound-guiding structure and an inner wall of the shell.
  8. 8 . The loudspeaker housing according to claim 2 , wherein the sound-guiding structure is arranged in the shell, the sound outlet is arranged in an outer wall of the shell, and the assembly cavity is formed between the sound-guiding structure and an inner wall of the shell.
  9. 9 . The loudspeaker housing according to claim 3 , wherein the sound-guiding structure is arranged in the shell, the sound outlet is arranged in an outer wall of the shell, and the assembly cavity is formed between the sound-guiding structure and an inner wall of the shell.
  10. 10 . The loudspeaker housing according to claim 4 , wherein the sound-guiding structure is arranged in the shell, the sound outlet is arranged in an outer wall of the shell, and the assembly cavity is formed between the sound-guiding structure and an inner wall of the shell.
  11. 11 . The loudspeaker housing according to claim 6 , wherein the sound-guiding structure is arranged in the shell, the sound outlet is arranged in an outer wall of the shell, and the assembly cavity is formed between the sound-guiding structure and an inner wall of the shell.
  12. 12 . A loudspeaker, comprising a sound-emitting unit and a loudspeaker housing, wherein the loudspeaker housing comprises a shell and a sound-guiding structure which are integrally formed, wherein the shell is provided with an assembly cavity and an installation opening, the assembly cavity is in communication with outside through the installation opening, and the sound-emitting unit is enabled to reach into the assembly cavity through the installation opening; and the sound-guiding structure is provided with a front cavity, a sound outlet and a working opening, the front cavity is in communication with the outside through the sound outlet, and is in communication with the assembly cavity through the working opening, and when the sound-emitting unit is installed in the assembly cavity, the sound-emitting unit closes the working opening.
  13. 13 . The loudspeaker according to claim 12 , wherein the sound-guiding structure comprises a tubular groove body and a surrounding wall which are connected to each other, the tubular groove body and the surrounding wall are both connected to the shell, a sound-guiding cavity is defined by the tubular groove body and the shell, the sound-guiding cavity is in communication with the outside through the sound outlet, a sound-gathering cavity in communication with the sound-guiding cavity is defined by the surrounding wall and the shell, the sound-gathering cavity is in communication with the assembly cavity through the working opening, and the sound-guiding cavity and the sound-gathering cavity constitute the front cavity.
  14. 14 . The loudspeaker according to claim 13 , wherein the working opening is arranged directly opposite to the installation opening.
  15. 15 . The loudspeaker according to claim 13 , wherein an opening direction of the working opening is set at an angle with respect to an opening direction of the installation opening.
  16. 16 . The loudspeaker according to claim 13 , wherein in a direction from the working opening to the sound outlet, a cross-sectional area of the sound-guiding cavity is smaller than a cross-sectional area of the sound-gathering cavity.
  17. 17 . The loudspeaker according to claim 13 , wherein the surrounding wall is provided with a side blocking part around the working opening, and the sound-emitting unit is enabled to be retained in the side blocking part.
  18. 18 . The loudspeaker according to claim 12 , wherein the sound-guiding structure is arranged in the shell, the sound outlet is arranged in an outer wall of the shell, and the assembly cavity is formed between the sound-guiding structure and an inner wall of the shell.
  19. 19 . The loudspeaker according to claim 12 , wherein the sound-emitting unit fills the assembly cavity; or, a rear cavity is formed between the sound-emitting unit and an inner wall of the assembly cavity.
  20. 20 . The loudspeaker according to claim 12 , wherein a sealing rubber ring is sandwiched between the sound-guiding structure and the sound-emitting unit.

Description

CROSS-REFERENCE TO RELATED APPLICATION The present application claims priority to Chinese Patent Application No. 2024115871598, filed with the China National Intellectual Property Administration (CNIPA) on Nov. 17, 2024, the disclosure of which is incorporated herein by reference in its entirety. TECHNICAL FIELD This invention relates to the technical field of loudspeakers, and in particular to a loudspeaker housing and a loudspeaker. BACKGROUND A loudspeaker, commonly known as a “horn”, is a common electroacoustic transducer device that converts an electrical signal into an acoustic signal to emit a sound. Currently, a commonly used loudspeaker is composed of a single body and a housing, the housing includes an upper cover and a lower cover, the single body is the sound-emitting unit of the loudspeaker, the upper cover and the lower cover are enclosed on the outer side of the single body, and the single body can be partially exposed. However, when assembling the above-mentioned loudspeaker, a special sealing design is required for the connection between the upper cover and the lower cover, therefore, the steps are cumbersome and the structure is complex. Moreover, when producing the housing, the upper cover and the lower cover need to be produced separately, this may adversely affect the progress of large-scale mass production of loudspeakers. SUMMARY An aspect of the present invention is to provide is to provide a loudspeaker housing and a loudspeaker, which can reduce the difficulty of the assembly process and improve the production efficiency. To achieve this aspect, the following technical solutions are adopted in the present invention. A loudspeaker housing, includes a shell and a sound-guiding structure which are integrally formed. The shell is provided with an assembly cavity and an installation opening, the assembly cavity is in communication with the outside through the installation opening, and a sound-emitting unit can reach into the assembly cavity through the installation opening. The sound-guiding structure is provided with a front cavity, a sound outlet and a working opening. The front cavity is in communication with the outside through the sound outlet, and is in communication with the assembly cavity through the working opening, and when the sound-emitting unit is installed in the assembly cavity, the sound-emitting unit closes the working opening. Preferably, the sound-guiding structure includes a tubular groove body and a surrounding wall which are connected to each other. The tubular groove body and the surrounding wall are both connected to the shell. A sound-guiding cavity is defined by the tubular groove body and the shell. The sound-guiding cavity is in communication with the outside through the sound outlet. A sound-gathering cavity in communication with the sound-guiding cavity is defined by the surrounding wall and the shell. The sound-gathering cavity is in communication with the assembly cavity through the working opening. The sound-guiding cavity and the sound-gathering cavity constitute the front cavity. Preferably, the working opening is arranged directly opposite to the installation opening. Preferably, the opening direction of the working opening is set at an angle with respect to the opening direction of the installation opening. Preferably, in a direction from the working opening to the sound outlet, the cross-sectional area of the sound-guiding cavity is smaller than the cross-sectional area of the sound-gathering cavity. Preferably, the surrounding wall is provided with a side blocking part around the working opening, and the sound-emitting unit can be retained in the side blocking part. Preferably, the sound-guiding structure is arranged in the shell, the sound outlet is arranged in an outer wall of the shell, and the assembly cavity is formed between the sound-guiding structure and an inner wall of the shell. A loudspeaker includes a sound-emitting unit and the above-described loudspeaker housing. The sound-emitting unit is installed in the assembly cavity and closes the working opening. Preferably, the sound-emitting unit fills the assembly cavity; or, a rear cavity is formed between the sound-emitting unit and an inner wall of the assembly cavity. Preferably, a sealing rubber ring is sandwiched between the sound-guiding structure and the sound-emitting unit. BRIEF DESCRIPTION OF DRAWINGS FIG. 1 is a schematic structural diagram of a housing according to a first embodiment of the present invention; FIG. 2 is a schematic structural diagram of the housing according to the first embodiment of the present invention after being cut in the height direction; FIG. 3 is a cross sectional view of a loudspeaker according to the first embodiment of the present invention; FIG. 4 is a longitudinal sectional view of the loudspeaker according to the first embodiment of the present invention; FIG. 5 is a schematic diagram of the cross sectional and longitudinal sectional views of va