Sound cavity structure module

Abstract

The utility model discloses a sound cavity structure module, which comprises a front shell, a rear shell and a loudspeaker, the upper middle part of the front shell is provided with a first through hole, the front shell and the rear shell are connected through a plurality of positioning columns, connecting screws are welded in the plurality of positioning columns through ultrasonic waves, and the front shell and the rear shell encircle to form a mounting cavity. The loudspeaker is installed in the installation cavity, the front side of the loudspeaker extends forwards to the front side of the first through hole, a silica gel gasket is arranged between the first through hole and the loudspeaker, an anti-vibration EVA block is arranged between the rear side of the loudspeaker and the rear shell, the left side and the right side of the loudspeaker in the installation cavity are filled with first sound absorption cotton and second sound absorption cotton, and an air leakage hole is formed in the front shell. The air leakage hole is located in one side of the first through hole in the front shell, a tuning net is arranged on the air leakage hole, a first anti-vibration sponge and a second anti-vibration sponge are arranged on the left portion and the right portion of the front side of the front shell respectively, and a third anti-vibration sponge and a fourth anti-vibration sponge are arranged on the left portion and the right portion of the rear side of the rear shell respectively. The utility model has the advantages of simple and compact integral structure, low vibration and the like.

Description

Technical Field

[0001] The utility model belongs to the technical field of sound cavities of electronic products, and particularly relates to a sound cavity structure module. Background Art

[0002] As living standards continue to improve, people's expectations for conference systems are also increasing. The trend in the development of the sound cavity structures used in conference systems is to require that the sound cavity structure module has better low-frequency reproduction. In other words, it must have a sufficiently low resonant frequency and low distortion in the low and mid-high frequencies to ensure sufficient mid-high frequency reproduction, resulting in purer and clearer sound quality. However, the sound cavity structure modules used in existing conference systems have high vibration and sound, which cannot meet the market requirements for conference system sound cavity. Utility Model Content

[0003] In order to solve the deficiencies in the prior art, the utility model provides a sound cavity structure module with small vibration sound.

[0004] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0005] The sound cavity structure module includes a front shell, a rear shell and a speaker. A first through hole is provided in the upper middle part of the front shell. The front shell and the rear shell are connected by a number of positioning columns. Connecting screws are ultrasonically welded in the positioning columns. The front shell and the rear shell together form an installation cavity. The speaker is installed in the installation cavity and the front side of the speaker extends forward to the front side of the first through hole. A silicone gasket is provided between the first through hole and the speaker, and a vibration-proof EVA block is provided between the rear side of the speaker and the rear shell. The left and right sides of the speaker in the installation cavity are filled with first sound-absorbing cotton and second sound-absorbing cotton. An air bleed hole is provided on the front shell. The air bleed hole is located on one side of the first through hole on the front shell. A tuning net is provided on the air bleed hole. The left and right sides of the front side of the front shell are respectively provided with a first vibration-proof sponge and a second vibration-proof sponge, and the left and right sides of the rear side of the rear shell are respectively provided with a third vibration-proof sponge and a fourth vibration-proof sponge.

[0006] Preferably, the electronic connector of the speaker passes through the front shell and the rear shell and extends to the outside of the front shell and the rear shell, and the electronic connector is provided with an SR structure and is covered with a vibration-damping sponge.

[0007] Preferably, the speaker is fixed to the front housing by galvanized screws.

[0008] By adopting the above technical solution, the utility model has the following beneficial effects:

[0009] The utility model can achieve multiple vibration reduction by arranging a silicone gasket, an anti-vibration EVA block, a first sound-absorbing cotton, a second sound-absorbing cotton, a first anti-vibration sponge, a second anti-vibration sponge, a third anti-vibration sponge and a fourth anti-vibration sponge, etc., with low vibration and sound, and a simple and compact overall structure. In addition, the front shell and the rear shell of the utility model are connected by a plurality of positioning columns, and the plurality of positioning columns are ultrasonically welded with connecting screws, so that the connection between the front shell and the rear shell is more stable and the sealing is better.

[0010] In summary, the utility model has the advantages of simple and compact overall structure, small vibration and noise, etc. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural diagram of the utility model;

[0012] Figure 2 yes Figure 1 Exploded diagram. DETAILED DESCRIPTION

[0013] The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0014] The components of the embodiments of the present invention generally described and shown in the drawings herein may be arranged and designed in a variety of different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but rather merely represents selected embodiments of the present invention.

[0015] Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative work shall fall within the scope of protection of the present invention.

[0016] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating positions or relationships, are based on the positions or relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0017] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0018] Example 1

[0019] In this embodiment, a sound cavity structure module is proposed, which can reduce multiple vibrations and vibration sounds to meet the usage requirements of specific application scenarios such as conference systems.

[0020] like Figure 1 and Figure 2 As shown, in one embodiment of the present invention, the sound cavity structure module of the present invention includes a front shell 1, a rear shell 2 and a speaker 3. A first through hole is provided in the upper middle portion of the front shell 1. The first through hole is for facilitating the extension of the speaker 3. The front shell 1 and the rear shell 2 are connected by a plurality of positioning posts. The plurality of positioning posts are ultrasonically welded with connecting screws. Specifically, each of the plurality of connecting posts may include a positioning protrusion and a positioning groove. The positioning protrusion may be provided on the front shell 1, and the positioning groove may be provided on the rear shell 2. The positioning protrusion is then matched with the positioning groove. The connecting screw is inserted to connect the positioning protrusion and the positioning groove and ultrasonically weld them, so that the connection is more stable. The front shell 1 and the rear shell 2 are combined to form an installation cavity. The speaker 3 is installed in the installation cavity and the front side of the speaker 3 extends forward to the front side of the first through hole. A silicone gasket 4 is provided between the first through hole and the speaker 3. The silicone gasket 4 can reduce vibration and connect the first through hole to the speaker The speakers 3 are sealed, and a vibration-proof EVA block 5 is provided between the rear side of the speaker 3 and the rear shell 2. The speaker 3 is fixed to the front shell 1 by galvanized screws. The left and right sides of the speaker 3 in the installation cavity are filled with a first sound-absorbing cotton 6 and a second sound-absorbing cotton 7. An air bleed hole 8 is opened on the front shell 1. The air bleed hole 8 is located on one side of the first through hole on the front shell 1 (specifically on the left or right side). A tuning net 9 is provided on the air bleed hole 8. A first vibration-proof sponge 10 and a second vibration-proof sponge 11 are respectively provided on the left and right sides of the front side of the front shell 1, and a third vibration-proof sponge 12 and a fourth vibration-proof sponge 13 are respectively provided on the left and right sides of the rear side of the rear shell 2. The electronic connector 14 of the speaker 3 passes through the front shell 1 and the rear shell 2 and extends to the outside of the front shell 1 and the rear shell 2. The electronic connector 14 is provided with an SR structure and the electronic connector 14 is covered with a vibration-damping sponge. The SR structure is also a stress relief structure, which can reduce stress and prevent the wire part of the electronic connector 14 from breaking.

[0021] The overall structure of the utility model is simple, but it is provided with multiple vibration-damping structures, such as rubber gaskets, vibration-proof EVA blocks 5, first sound-absorbing cotton 6, second sound-absorbing cotton 7, first vibration-proof sponge 10, second vibration-proof sponge 11, third vibration-proof sponge 12 and fourth vibration-proof sponge 13, etc., which can reduce the vibration sound as a whole and achieve the desired low-frequency and mid-high-frequency effects.

[0022] This embodiment does not impose any formal restrictions on the shape, material, structure, etc. of the utility model. Any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the utility model are within the scope of protection of the technical solution of the utility model.

Claims

1. Sound cavity structure module, characterized by: It includes a front shell, a rear shell and a speaker. A first through hole is provided in the upper middle part of the front shell. The front shell and the rear shell are connected by a number of positioning columns. Connecting screws are ultrasonically welded in the several positioning columns. The front shell and the rear shell are combined to form an installation cavity. The speaker is installed in the installation cavity and the front side of the speaker extends forward to the front side of the first through hole. A silicone gasket is provided between the first through hole and the speaker. A vibration-proof EVA block is provided between the rear side of the speaker and the rear shell. The left and right sides of the speaker in the installation cavity are filled with first sound-absorbing cotton and second sound-absorbing cotton. An air bleed hole is opened on the front shell. The air bleed hole is located on one side of the first through hole on the front shell. A tuning net is provided on the air bleed hole. The left and right parts of the front side of the front shell are respectively provided with a first vibration-proof sponge and a second vibration-proof sponge. The left and right parts of the rear side of the rear shell are respectively provided with a third vibration-proof sponge and a fourth vibration-proof sponge.

2. The sound cavity structure module according to claim 1, characterized in that: The electronic connector of the speaker passes through the front shell and the rear shell and extends to the outside of the front shell and the rear shell. The electronic connector is provided with an SR structure and is covered with a vibration-damping sponge.

3. The sound cavity structure module according to claim 1, characterized in that: The speaker is fixed on the front shell by galvanized screws.

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