Horn cavity structure and hand drawing board

Abstract

The utility model discloses a horn cavity structure and a hand drawing board, the horn cavity structure comprises a lower cover plate, a horn cavity and a horn monomer, the horn cavity comprises a shell, an accommodating cavity is formed in the shell, the lower end of the shell is provided with a through hole communicated with the accommodating cavity, and the horn monomer is placed in the accommodating cavity through the through hole; the loudspeaker cavity is arranged to form a sound cavity outside the loudspeaker single body, so that the sound effect, the sound quality and the loudness of sound are improved; the lower cover plate is provided with connecting ribs corresponding to the shell, the shell and the connecting ribs are installed on the lower cover plate in a matched mode, a through hole is formed in the lower end of the loudspeaker cavity, the loudspeaker cavity is installed on the lower cover plate in a matched mode through the connecting ribs, the loudspeaker cavity uses the lower cover plate to form a sound cavity surrounding the loudspeaker single body in a matched mode, and the thickness of the loudspeaker cavity can be reduced. The space occupancy rate is low, and the light and thin requirements of the hand drawing board are met.

Description

Technical Field

[0001] The present application relates to the technical field of hand-painted boards, and in particular to a speaker cavity structure and a hand-painted board. Background Art

[0002] A hand-drawn tablet, also known as a drawing tablet, painting tablet, digital tablet, etc., is a type of computer input device. Existing hand-drawn tablets with speakers are usually implemented by directly setting a single speaker inside the hand-drawn tablet. However, the sound effect and loudness of the single speaker set in this way are poor and cannot meet the demand for better sound quality. A hand-drawn tablet using an integral speaker with a built-in sound cavity has a thick wall and a high space occupancy rate, which will result in a thick overall thickness of the hand-drawn tablet and cannot meet the demand for thinness and lightness. Utility Model Content

[0003] The present application aims to solve at least one of the technical problems existing in the prior art. To this end, the present application proposes a speaker cavity structure with low space occupancy and good sound quality.

[0004] The present application also proposes a hand-painted board having the above-mentioned speaker cavity structure.

[0005] According to a first aspect of the present application, a speaker cavity structure includes:

[0006] Lower cover;

[0007] A speaker cavity, the speaker cavity comprising a shell, a receiving cavity formed in the shell, and a through hole communicating with the receiving cavity is provided at the lower end of the shell;

[0008] A speaker unit, wherein the speaker unit is arranged in the accommodating cavity;

[0009] Wherein, the lower cover plate is provided with connecting ribs corresponding to the shell, and the shell is mounted on the lower cover plate in cooperation with the connecting ribs.

[0010] A speaker cavity structure according to an embodiment of the first aspect of the present application has at least the following beneficial effects: a speaker cavity structure of the present application includes a lower cover plate, a speaker cavity and a speaker unit, the speaker cavity includes a shell, a accommodating cavity is formed in the shell, the lower end of the shell is provided with a through hole connected to the accommodating cavity, the speaker unit is placed in the accommodating cavity through the through hole, the setting of the speaker cavity can form a sound cavity outside the speaker unit, thereby improving the sound effect, sound quality and loudness of the sound; the lower cover plate is provided with connecting ribs corresponding to the shell, the shell and the connecting ribs are mounted on the lower cover plate, the lower end of the speaker cavity is provided with a through hole, the speaker cavity is mounted on the lower cover plate through the connecting ribs, the speaker cavity uses the lower cover plate to cooperate to form a sound cavity surrounding the speaker unit, the thickness of the speaker cavity can be reduced, the space occupancy rate is low, and the demand for thin and light hand-painted boards is met.

[0011] According to some embodiments of the present application, a sound outlet is further provided at the upper end of the shell.

[0012] According to some embodiments of the present application, foam is arranged above the sound outlet.

[0013] According to some embodiments of the present application, the foam is fixed to the shell by gluing.

[0014] According to some embodiments of the present application, a dustproof net is also provided above the foam.

[0015] According to some embodiments of the present application, the shell and the connecting rib are fixed by ultrasonic connection.

[0016] According to some embodiments of the present application, an upper cover plate is further included, wherein the upper cover plate is provided with a decorative sheet, and the decorative sheet is provided with mesh holes.

[0017] According to some embodiments of the present application, the lower cover plate and the connecting rib are integrally formed.

[0018] According to some embodiments of the present application, a foot pad is provided at the bottom of the lower cover plate, and the foot pad is made of silicone material.

[0019] A hand-drawn board according to an embodiment of the second aspect of the present application includes a speaker cavity structure of the embodiment of the first aspect mentioned above.

[0020] A hand-drawing board according to an embodiment of the second aspect of the present application has at least the following beneficial effects: a hand-drawing board of the present application comprises a speaker cavity structure of the above-mentioned first aspect embodiment, comprising a lower cover plate, a speaker cavity and a speaker unit, the speaker cavity comprises a shell, a accommodating cavity is formed in the shell, a through hole connected to the accommodating cavity is provided at the lower end of the shell, the speaker unit is placed in the accommodating cavity through the through hole, the setting of the speaker cavity can form a sound cavity outside the speaker unit, thereby improving the sound effect, sound quality and loudness of the sound; the lower cover plate is provided with connecting ribs corresponding to the shell, the shell and the connecting ribs are mounted on the lower cover plate in cooperation, the lower end of the speaker cavity is provided with a through hole, the speaker cavity is mounted on the lower cover plate through the connecting ribs, the speaker cavity uses the lower cover plate to cooperate to form a sound cavity surrounding the speaker unit, the thickness of the speaker cavity can be thinned, the space occupancy rate is low, and the demand for thin and light hand-drawing boards is met.

[0021] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become apparent from the description below, or will be learned through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The above and / or additional aspects and advantages of the present application will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0023] Figure 1 It is a schematic diagram of the exploded structure of a speaker cavity structure according to an embodiment of the present application;

[0024] Figure 2 This is a structural schematic diagram of a speaker cavity structure of an embodiment of the present application when the speaker cavity is installed on a lower cover plate;

[0025] Figure 3 is a cross-sectional view of a speaker cavity structure according to an embodiment of the present application;

[0026] Figure 4 yes Figure 3 An enlarged schematic diagram of point A is shown. DETAILED DESCRIPTION

[0027] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as limiting the present application.

[0028] In the description of the present application, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, inside, outside, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0029] In the description of this application, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed", etc. are understood to exclude the number itself, and "above", "below", "within", etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0030] In the description of this application, unless otherwise clearly defined, terms such as setting, installing, connecting, assembling, and matching should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in this application based on the specific content of the technical solution.

[0031] Refer to the following Figures 1 to 4 A speaker cavity structure according to an embodiment of the present application is described.

[0032] A speaker cavity structure according to an embodiment of the present application is as follows: Figures 1 to 4As shown, it includes a lower cover plate 100, a speaker cavity 220 and a speaker unit 210. The speaker cavity 220 includes a shell, a housing cavity is formed in the shell, and a through hole connected to the housing cavity is provided at the lower end of the shell. The speaker unit 210 is arranged in the housing cavity. The speaker cavity 220 can accommodate the speaker unit 210. The speaker cavity 220 can form a sound cavity outside the speaker unit 210. The sound cavity helps to correct the sound, prevent the generation of noise, make the sound clearer and rounder, and improve the sound effect, sound quality and loudness of the speaker unit 210. The lower cover plate 100 is provided with a connecting rib 110 corresponding to the shell, and the shell and the connecting rib 110 are mounted on the lower cover plate 100 in coordination. The speaker cavity 220 is mounted on the lower cover 100 through the connecting ribs 110. The speaker cavity 220 uses the lower cover 100 to form a sound cavity surrounding the speaker unit 210, which can reduce the thickness of the speaker cavity 220 and reduce the space occupancy rate, thus meeting the thinness requirement of the hand-painted board. Figure 1 The lower cover 100 is provided with a connecting rib 110. The speaker cavity 220 includes a shell and a receiving cavity formed by the shell. The lower end of the shell is provided with a through hole, which is connected to the receiving cavity. The speaker unit 210 can enter the receiving cavity through the through hole. The speaker cavity 220 is placed on the lower cover 100. The shell of the speaker cavity 220 corresponds to the connecting rib 110 of the lower cover 100. The shell and the connecting rib 110 cooperate to install the speaker cavity 220 on the lower cover 100. The speaker cavity 220 cooperates with the lower cover 100 to form a sound cavity surrounding the speaker unit 210, thereby improving the sound effect and sound quality. The speaker cavity 220 uses the lower cover 100 to cooperate with the sound cavity surrounding the speaker unit 210, which can also reduce the processing cost of the speaker cavity 220 and facilitate production and installation.

[0033] According to some embodiments of the present application, a sound hole 221 is further provided at the upper end of the shell. The speaker unit 210 is placed in a accommodating cavity formed around the shell, and a sound hole 221 is provided at the upper end of the shell. The sound emitted by the speaker unit 210 is transmitted to the outside of the hand-drawn board through the sound hole 221 at the upper end of the shell. It can be understood that in some embodiments, the sound hole 221 is provided on the side wall of the shell, and the sound hole 221 provided on the side wall of the shell will not affect the sound effect and sound quality. Correspondingly, when the sound hole 221 is provided on the side wall of the shell, the speaker unit 210 placed in the shell is arranged toward the side with the sound hole 221, which can ensure a good sound effect.

[0034] According to some embodiments of the present application, a foam 222 is provided above the sound hole 221. The sound hole 221 is provided at the upper end of the shell, and the foam 222 is provided above the sound hole 221. After the sound of the speaker unit 210 is generated, vibrations will be formed on the shell during the propagation process. These vibrations will cause noise and resonance, thereby affecting the effect and quality of the sound. Providing the foam 222 above the sound hole 221 can effectively reduce the vibration and noise of the sound and improve the fidelity and quality of the sound. The provision of the foam 222 can also protect the shell from friction damage. The foam 222 can play a buffering and protective role, reduce the degree of damage to the speaker shell, and avoid scratches, wear and damage on the shell surface.

[0035] According to some embodiments of the present application, the foam 222 is fixed to the shell by pasting. In some embodiments, the sound hole 221 is set to a square shape, and the foam 222 is set to a frame shape surrounding the sound hole 221. The foam 222 is pasted on the outside of the sound hole 221 to protect the shell. Before installing the foam 222, it is necessary to clean the surface of the shell to ensure that the foam 222 can be firmly pasted. Specifically, in some embodiments, the foam 222 is pasted on the shell by adhesive stickers. When pasting, peel the foam 222 from the adhesive sticker, paste it on the shell, gently press the foam 222 to make it fit closely to the surface of the shell, and ensure the flatness of the foam 222 during pasting, thereby ensuring the sound absorption effect of the foam 222.

[0036] According to some embodiments of the present application, a dustproof net 223 is further provided above the foam 222. The dustproof net 223 is provided above the foam 222. The dustproof net 223 can prevent dust particles and the like from entering the housing from the sound outlet 221, affecting the normal operation of the speaker unit 210 and extending the life of the speaker. The main function of the dustproof net 223 is to prevent dust and other debris from entering the housing from the sound outlet 221 and causing abnormal sound. The dustproof net 223 also has the function of reinforcing the treble. In some embodiments, the material of the dustproof net 223 is set to paper, cloth, non-woven fabric, Mylar material, PEI material or metal film.

[0037] According to some embodiments of the present application, the shell and the connecting rib 110 are fixed by ultrasonic connection. The lower cover 100 is provided with a connecting rib 110, and the speaker cavity 220 includes a shell and a receiving cavity formed by the shell. The shell of the speaker cavity 220 corresponds to the connecting rib 110 of the lower cover 100. The shell and the connecting rib 110 cooperate to install the speaker cavity 220 on the lower cover 100. Specifically, the shell is fixed on the connecting rib 110 of the lower cover 100 by ultrasonic connection. Ultrasonic connection, also known as ultrasonic bonding, is a quick, clean and effective assembly process that can be used to assemble and fix thermoplastics. Pressure and vibration are generated by an ultrasonic generator, resulting in mechanical pressure between material molecules, releasing heat to soften and bond the material between the shell and the connecting rib 110, thereby achieving connection and fixation of the shell and the connecting rib 110. It should be noted that in some other embodiments, the shell and the connecting rib 110 can also be connected and fixed by means of snap-on fixation, adhesive fixation and mortise and tenon fit.

[0038] According to some embodiments of the present application, an upper cover plate 300 is further included, and a decorative sheet 310 is provided on the upper cover plate 300, and a mesh 311 is provided on the decorative sheet 310. The upper cover plate 300 cooperates with the lower cover plate 100 to seal the components provided on the lower cover plate 100. The upper cover plate 300 is provided with a decorative sheet 310, and the position of the decorative sheet 310 corresponds to the position of the speaker cavity 220. The decorative sheet 310 is provided with a mesh 311. After the sound emitted by the speaker unit 210 flows out through the speaker cavity 220 and the sound outlet 221, it is transmitted to the outside of the hand-painted board through the mesh 311 of the decorative sheet 310.

[0039] According to some embodiments of the present application, the lower cover plate 100 is integrally formed with the connecting ribs 110. The connecting ribs 110 are arranged on the lower cover plate 100, and the connecting ribs 110 include a plurality of ribs arranged transversely and longitudinally. The arrangement of the connecting ribs 110 can improve the strength of the lower cover plate 100 and can also support the components placed on the lower cover plate 100. The connecting ribs 110 are integrally formed with the lower cover plate 100, which can reduce the processing steps and reduce the production cost.

[0040] According to some embodiments of the present application, a foot pad 120 is provided at the bottom of the lower cover plate 100, and the foot pad 120 is set to a silicone material. A foot pad 120 is provided at the bottom of the lower cover plate 100, and a plurality of foot pads 120 are provided. The plurality of foot pads 120 are distributed under the lower cover plate 100, which can support the lower cover plate 100, play a buffering and protective role, protect the lower cover plate 100 from friction damage, and avoid scratches, wear and damage on the surface of the lower cover plate 100.

[0041] A hand-drawn board according to an embodiment of the second aspect of the present application includes a speaker cavity structure of the embodiment of the first aspect mentioned above. A hand-drawing board of the present application includes a speaker cavity structure of the above-mentioned first aspect embodiment, including a lower cover plate 100, a speaker cavity 220 and a speaker unit 210, the speaker cavity 220 includes a shell, a housing cavity is formed in the shell, the lower end of the shell is provided with a through hole connected to the housing cavity, the speaker unit 210 is placed in the housing cavity through the through hole, the setting of the speaker cavity 220 can form a sound cavity outside the speaker unit 210, improve the sound effect, sound quality and loudness of the sound; the lower cover plate 100 is provided with a connecting rib 110 corresponding to the shell, the shell and the connecting rib 110 are installed on the lower cover plate 100, the lower end of the speaker cavity 220 is provided with a through hole, the speaker cavity 220 is installed on the lower cover plate 100 through the connecting rib 110, the speaker cavity 220 uses the lower cover plate 100 to cooperate to form a sound cavity surrounding the speaker unit 210, the thickness of the speaker cavity 220 can be thinned, the space occupancy rate is low, and the light and thin requirements of the hand-drawing board are met.

[0042] The embodiments of the present application are described in detail above in conjunction with the accompanying drawings, but the present application is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present application.

Claims

1. A speaker cavity structure, characterized in that: include: Lower cover; A speaker cavity, the speaker cavity comprising a shell, a receiving cavity is formed in the shell, and a through hole communicating with the receiving cavity is provided at the lower end of the shell; A speaker unit, wherein the speaker unit is arranged in the accommodating cavity; Wherein, the lower cover plate is provided with connecting ribs corresponding to the shell, and the shell is mounted on the lower cover plate in cooperation with the connecting ribs.

2. A speaker cavity structure according to claim 1, characterized in that: The upper end of the shell is also provided with a sound outlet.

3. A speaker cavity structure according to claim 2, characterized in that: Foam is arranged above the sound outlet hole.

4. A speaker cavity structure according to claim 3, characterized in that: The foam is fixed on the shell by gluing.

5. The speaker cavity structure according to claim 3, characterized in that: A dustproof net is also arranged above the foam.

6. The speaker cavity structure according to claim 1, characterized in that: The shell and the connecting rib are fixed by ultrasonic connection.

7. The speaker cavity structure according to claim 1, characterized in that: It also includes an upper cover plate, the upper cover plate is provided with a decorative sheet, and the decorative sheet is provided with mesh holes.

8. The speaker cavity structure according to claim 1, characterized in that: The lower cover plate and the connecting rib are integrally formed.

9. The speaker cavity structure according to claim 1, characterized in that: A foot pad is arranged at the bottom of the lower cover plate, and the foot pad is arranged to be made of silica gel material.

10. A hand-painted board, characterized in that: A speaker cavity structure comprising any one of claims 1 to 9.

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