CN212628289U - Sound box front cover - Google Patents

Abstract

The utility model particularly discloses a front cover of a sound box, which comprises a front cover body; a high-pitch sounding port is formed in the middle shaft of the front cover body; the left side and the right side of the high-pitch sounding port are respectively provided with a high-pitch horn diffusion plate; the front cover body is symmetrically provided with woofer mounting positions by taking the high-pitch sound-producing port as a central axis; a phase plug is arranged on the inner side of the woofer mounting position; the front cover body is also provided with a phase guide hole position; the phase guide hole positions are symmetrically arranged on the outer side of the woofer mounting position; the symmetrical phase guide hole sites are symmetrically arranged by taking the high-pitch sounding port as a middle shaft. The utility model relates to a accord with linear array plane wave characteristic, effectively avoided sound mutual interference and distortion, the phase plug possesses the characteristics of strong directional cover, and tone quality can effectively be improved, and high pitch horn diffuser plate makes the high pitch part obtain more even directive property in the coverage to promote the holistic audio of audio amplifier.

Description

Sound box front cover

Technical Field

The utility model relates to an audio amplifier equipment technical field, concretely relates to audio amplifier protecgulum.

Background

The speaker is capable of producing sound by actually producing sound waves through the piston motion of the diaphragm, which is created by the mutual inductance of the voice coil and the driver magnet. The ultimate goal for all sound systems is to faithfully reproduce the original appearance of the sound source. Any form of timbre is therefore actually a distortion for which various measures are required to avoid this distortion. Bugle diffuser plate and phase place stopper can improve the unit high-end off-axis frequency response diffusion characteristic and improve the audio-visual performance, and traditional audio amplifier protecgulum design is unreasonable, leads to sound mutual interference and distortion easily, and the directional control level of high frequency of bugle is low, and coverage is little, is not conform to linear array plane wave characteristic, and then has reduced the tone quality of audio amplifier. Therefore, we propose a front cover of a sound box to solve the existing problems.

SUMMERY OF THE UTILITY MODEL

To the defect that the audio amplifier protecgulum design that above-mentioned exists is unreasonable, lead to sound mutual interference and the directional control level of distortion low easily, the utility model provides an audio amplifier protecgulum is used for overcoming the defect of above-mentioned existence, and its design accords with linear array plane wave characteristic, has effectively avoided sound mutual interference and distortion, possesses the characteristics of strong directional cover, and tone quality can effectively be improved.

A front cover of a sound box comprises a front cover body; a high-pitch sounding port is formed in the middle shaft of the front cover body; the left side and the right side of the high-pitch sounding port are respectively provided with a high-pitch horn diffusion plate; the front cover body is symmetrically provided with woofer mounting positions by taking the high-pitch sound-producing port as a central axis; a phase plug is arranged on the inner side of the woofer mounting position; the front cover body is also provided with a phase guide hole position; the phase guide hole positions are symmetrically arranged on the outer side of the woofer mounting position; the symmetrical phase guide hole sites are symmetrically arranged by taking the high-pitch sounding port as a middle shaft.

Preferably, a mesh enclosure embedded slot for mounting a mesh enclosure of the sound box is formed in the front surface of the front cover body. This scheme is through setting up the embedded trench of screen panel, can promote the holistic linear of audio amplifier when being convenient for install the audio amplifier screen panel, and then promotes the aesthetic property of audio amplifier.

Preferably, the left side and the right side of the front cover body are respectively provided with at least two mesh cover screw fixing holes. By adopting the scheme, the loudspeaker box mesh enclosure can be conveniently fixed, and the installation is simple and convenient.

Preferably, at least four first mounting holes are respectively formed in the upper end and the lower end of the back surface of the front cover body. Adopt this scheme, when the protecgulum body is connected with the audio amplifier box, the first mounting hole of accessible carries out fixed mounting, sets up four intensity that can guarantee to connect at least, can avoid the protecgulum body not hard up tone quality that influences the audio amplifier to appear, is favorable to improving the overall quality of audio amplifier.

As the preferred scheme, the back of protecgulum body just places in the external diameter edge of woofer installation position and is equipped with four at least loudspeaker fixed screw holes. Adopt this scheme, be convenient for install loudspeaker in the back of protecgulum body, four at least can improve the stability of loudspeaker installation, guarantee that woofer's sound source can send through woofer installation position along the phase place stopper, promote the holistic audio of audio amplifier.

Preferably, at least two second mounting holes are formed in the left side and the right side of the front cover body. Be favorable to the protecgulum body to be connected with the audio amplifier box, first mounting hole makes the installation of protecgulum body more firm in the cooperation, guarantees the audio of audio amplifier.

Preferably, the side end of the phase guiding hole position is provided with a reinforcing strip at the joint with the front cover body. The loudspeaker box has the advantages that the overall structural strength is enhanced, the quality of the loudspeaker box is improved, and the service life is prolonged.

Preferably, the phase plug is provided in a shape of a water droplet. Guarantee that woofer's sound source can send through woofer installation position through the phase place stopper, promote the holistic audio of audio amplifier.

Has the advantages that: the utility model is a multifunctional device integrating a front cover, a loudspeaker fixing structure and a phase plate, wherein the left side and the right side of a high pitch sound emitting port are respectively provided with a high pitch horn diffusion plate which accords with the characteristics of linear array plane waves and effectively avoids sound mutual interference and distortion, the left side and the right side of the high pitch sound emitting port are respectively provided with a low pitch loudspeaker mounting position, the surface of the low pitch loudspeaker mounting position is respectively provided with a phase plug in the shape of a water drop, the phase plug has the characteristic of strong directional coverage, the tone quality is effectively improved, the defect of inconsistent sound uniformity is effectively solved from the arrangement of physical structures, the outer side of the low pitch loudspeaker mounting position is also provided with a phase guide hole position, the phase and frequency response can be optimized, the sound mutual interference and distortion are effectively avoided, and the high pitch part obtains more uniform directivity in the coverage range, thereby promoting the sound effect of the whole sound box.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a third schematic structural diagram of the present invention.

In the figure: 1-a front cover body; 2-high pitch sounding mouth; 3-high pitch horn diffuser plate; 4-woofer mounting location; a 5-phase plug; 6-a phase guide hole site; 7-a first mounting hole; 8-mesh enclosure screw fixing holes; 9-embedding a slot position in the mesh enclosure; 10-a reinforcing strip; 11-horn fixing screw holes; 12-second mounting hole.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

In the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention; the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

As shown in fig. 1 to 3, the present invention provides a front cover of a sound box, which comprises a front cover body 1; a high-pitch sounding port 2 is formed in the middle shaft of the front cover body 1; a high-pitch horn diffusion plate 3 is respectively arranged at the left side and the right side of the high-pitch sounding port 2; the front cover body 1 is symmetrically provided with woofer mounting positions 4 by taking the high-pitch sound-producing port 2 as a central axis; a phase plug 5 is arranged on the inner side of the woofer mounting position 4; the front cover body 1 is also provided with a phase guide hole site 6; the phase guide hole positions 6 are symmetrically arranged on the outer side of the woofer mounting position 4; the symmetrical phase guide hole sites 6 are symmetrically arranged by taking the high-pitch sounding port 2 as a central axis; the utility model discloses a collect protecgulum, loudspeaker fixed knot constructs and phase place board in the multiple function device of an organic whole, respectively set up a high pitch horn diffuser plate 3 in the left and right sides of high pitch sound mouth 2, high pitch horn diffuser plate 3 accords with linear array plane wave characteristic, sound interference and distortion are effectively avoided, leading phase hole site 6 still is equipped with in the outside of woofer installation position 4, can optimize audio amplifier phase place and frequency response, sound interference and distortion are effectively avoided, make the high pitch part obtain more even directive property in the coverage, thereby promote the whole audio of audio amplifier; phase place stopper 5 possesses the characteristics of strong directional cover, and tone quality is effectively improved, has effectively solved the sound degree of consistency to the defect from arranging of physical structure.

In some examples of the present invention, a mesh enclosure embedding slot 9 for installing a mesh enclosure of a sound box is formed in the front surface of the front cover body 1; this scheme is through setting up embedded trench 9 of screen panel, can promote the holistic linear of audio amplifier when being convenient for install the audio amplifier screen panel, and then promotes the aesthetic property of audio amplifier.

In some examples of the present invention, at least two mesh enclosure screw fixing holes 8 are respectively formed on the left side and the right side of the front cover body 1; by adopting the scheme, the loudspeaker box mesh enclosure can be conveniently fixed, and the installation is simple and convenient.

In some examples of the present invention, at least four first mounting holes 7 are respectively formed at the upper end and the lower end of the back surface of the front cover body 1; adopt this scheme, when the protecgulum body 1 is connected with the audio amplifier box, the first mounting hole of accessible 7 carries out fixed mounting, sets up four intensity that can guarantee to connect at least, can avoid the protecgulum body 1 not hard up tone quality that influences the audio amplifier that appears to be favorable to improving the whole quality of audio amplifier.

In some examples of the present invention, at least four speaker fixing screw holes 11 are provided on the back surface of the front cover body 1 and on the outer diameter side of the woofer mounting position 4; adopt this scheme, be convenient for install loudspeaker in the back of protecgulum body 1, four at least can improve the stability of loudspeaker installation, guarantee that woofer's sound source can send through woofer installation position 4 along phase place stopper 5, promote the holistic audio of audio amplifier.

In some examples of the present invention, at least two second mounting holes 12 are provided on the left and right sides of the front cover body 1; be favorable to protecgulum body 1 to be connected with the audio amplifier box, first mounting hole 7 makes the installation of protecgulum body 1 more firm in the cooperation, guarantees the audio of audio amplifier.

In some examples of the present invention, a reinforcing bar 10 is disposed at a connection position between the side end of the phase guiding hole site 6 and the front cover body 1; the loudspeaker box has the advantages that the overall structural strength is enhanced, the quality of the loudspeaker box is improved, and the service life is prolonged.

In some examples of the present invention, the phase plug 5 is provided in a water drop shape; phase place stopper 5 that is the water droplet shape possesses the characteristics of strong directional cover, and tone quality is effectively improved, has effectively solved the sound degree of consistency defect not to from arranging of physical structure, guarantees that woofer's sound source can send through phase place stopper 5 through woofer installation position 4 to promote the holistic audio of audio amplifier.

In the description herein, references to the description of the terms "one embodiment," "certain embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (8)

1. The utility model provides a audio amplifier protecgulum which characterized in that: comprises a front cover body; a high-pitch sounding port is formed in the middle shaft of the front cover body; the left side and the right side of the high-pitch sounding port are respectively provided with a high-pitch horn diffusion plate; the front cover body is symmetrically provided with woofer mounting positions by taking the high-pitch sound-producing port as a central axis; a phase plug is arranged on the inner side of the woofer mounting position; the front cover body is also provided with a phase guide hole position; the phase guide hole positions are symmetrically arranged on the outer side of the woofer mounting position; the symmetrical phase guide hole sites are symmetrically arranged by taking the high-pitch sounding port as a middle shaft.

2. The front cover of a sound box according to claim 1, wherein the front surface of the front cover body is formed with a mesh enclosure embedding groove for mounting a mesh enclosure of the sound box.

3. The front cover of sound box according to claim 1, wherein the front cover body has at least two mesh-cover screw fixing holes on each of the left and right sides.

4. The front cover of sound box according to claim 1, wherein the front cover body has at least four first mounting holes at upper and lower ends of the back surface.

5. The front cover of a sound box according to claim 1, wherein at least four speaker fixing screw holes are formed in the back surface of the front cover body and on the outer diameter side of the woofer mounting position.

6. The front cover of sound box according to claim 1, wherein the left and right sides of the front cover body are provided with at least two second mounting holes connected with the sound box body.

7. The front cover of a sound box according to claim 1, wherein a reinforcing bar is arranged at the joint of the side end of the phase guiding hole position and the front cover body.

8. The front cover of sound box according to claim 1, wherein the phase plug is provided in a water drop shape.

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