CN217741887U

CN217741887U - Labyrinth bookshelf audio amplifier

Info

Publication number: CN217741887U
Application number: CN202220102342.4U
Authority: CN
Inventors: 顾火根
Original assignee: Jiaxing Dibes Electroacoustic Co ltd
Current assignee: Jiaxing Dibes Electroacoustic Co ltd
Priority date: 2022-01-14
Filing date: 2022-01-14
Publication date: 2022-11-04
Anticipated expiration: 2032-01-14

Abstract

The utility model discloses a labyrinth bookshelf sound box, which comprises a box body, a labyrinth box and a loudspeaker; the labyrinth box is fixedly arranged in the box body; a through hole is formed in the front panel of the box body, and a loudspeaker is arranged in the through hole; the lower part of the front panel is provided with a sound returning hole; an acoustic chamber and a labyrinth channel are arranged in the labyrinth box; the acoustic chamber is communicated with the labyrinth passage; the front part of the acoustic chamber is provided with a mounting plate; the upper side and the lower side of the mounting plate are respectively inserted into the clamping grooves, and the labyrinth passage comprises a first serpentine passage and a second serpentine passage; the second serpentine channel is communicated with the sound returning hole. The utility model discloses the speaker that is located the acoustics cavity has prolonged the propagation path of low frequency sound wave when the transmission of partly low frequency sound wave that the during operation produced in labyrinth pipeline, when low frequency sound wave flows out from the echo hole, can form the bass, can realize good bass effect on the basis that does not dispose the low frequency loudspeaker unit, and reduced manufacturing cost.

Description

Labyrinth bookshelf audio amplifier

Technical Field

The utility model relates to a sound equipment technical field, concretely relates to labyrinth bookshelf audio amplifier.

Background

The sound box is the terminal of the whole sound system, which is used for converting audio frequency electric energy into corresponding sound energy and radiating the sound energy to the space, and is an extremely important component of the sound system, because the sound box is used for converting an electric signal into a sound signal for being directly listened by the ears of a person, and because the subjective feeling of the ears of the person on the sound is the most important standard for evaluating the sound quality of the sound system, the performance of the sound box is considered to play a key role on the sound reproduction quality of the sound system. Most audio amplifier popular in the existing market all adopts the formula of directly playing, that is to say loudspeaker forward, and the sound truth and the definition that loudspeaker came out are not high, and the bass effect is relatively poor, to small-size audio amplifier, generally need realize the low frequency audio through disposing a plurality of low frequency loudspeaker units, have promoted the cost of product.

Based on the above situation, the utility model provides a labyrinth bookshelf audio amplifier can effectively solve above problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a labyrinth bookshelf audio amplifier. The utility model provides a pair of labyrinth bookshelf audio amplifier, simple structure, it is small, the speaker that is located the acoustics cavity has prolonged the propagation path of low frequency sound wave when the transmission of a part low frequency sound wave that produces in the during operation in labyrinth pipeline, when low frequency sound wave flows out from the echo hole, can form the control power reinforce, elasticity is good, the dive is dark, muddy full bass, can be on the basis that does not dispose low frequency loudspeaker unit, realize good bass effect, and reduced manufacturing cost.

The utility model discloses a following technical scheme realizes:

a labyrinth bookshelf sound box comprises a box body, a labyrinth box and a loudspeaker; the labyrinth box is fixedly arranged in the box body; a through hole is formed in the front panel of the box body, and the loudspeaker is arranged in the through hole; the lower part of the front panel is provided with a sound returning hole; an acoustic chamber and a labyrinth channel are arranged in the labyrinth box; the acoustic chamber is in communication with the labyrinth passage; a mounting plate is arranged at the front part of the acoustic chamber; the upper side and the lower side of the mounting plate are respectively inserted into a clamping groove, and the clamping grooves and the labyrinth box are integrally formed; the labyrinth passage includes a first serpentine passage and a second serpentine passage; the second serpentine channel is communicated with the sound returning hole.

According to the above technical solution, as a further preferable technical solution of the above technical solution, the first serpentine channel is disposed along a vertical direction and is located at a rear portion of the acoustic chamber; the second serpentine channel is disposed horizontally and below the acoustic chamber and the first serpentine channel.

According to the above technical solution, as a further preferable technical solution of the above technical solution, the mounting plate is provided with a plurality of threaded holes; the loudspeaker is provided with a plurality of fixing holes matched and connected with the threaded holes, and the loudspeaker is fixedly connected with the mounting plate through the threaded holes and the fixing holes.

According to the above technical solution, as a further preferable technical solution of the above technical solution, one end of the first serpentine channel close to the acoustic chamber is provided with a wave-shaped side wall.

According to the above technical solution, as a further preferable technical solution of the above technical solution, the labyrinth box is provided with a plurality of mounting holes; the labyrinth box passes through the mounting hole with box fixed connection.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

the utility model provides a pair of labyrinth bookshelf audio amplifier, simple structure, it is small, the speaker that is located the acoustics cavity has prolonged the propagation path of low frequency sound wave when the transmission of a part low frequency sound wave that produces in the during operation in labyrinth pipeline, when low frequency sound wave flows out from the echo hole, can form the control power reinforce, elasticity is good, the dive is dark, muddy full bass, can be on the basis that does not dispose low frequency loudspeaker unit, realize good bass effect, and reduced manufacturing cost.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic diagram of the internal structure of the present invention.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the following description of the preferred embodiments of the present invention is given with reference to the accompanying examples, but it should be understood that the drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

Example 1:

a labyrinth bookshelf sound box comprises a box body 1, a labyrinth box 2 and a loudspeaker 3; the labyrinth box 2 is fixedly arranged in the box body 1; a through hole is formed in the front panel 4 of the box body 1, and the loudspeaker 3 is arranged in the through hole; the lower part of the front panel 4 is provided with a sound returning hole 5; the inside of the labyrinth box 2 is provided with an acoustic chamber 6 and a labyrinth passage; the acoustic chamber 6 is in communication with the labyrinth passage; the front part of the acoustic chamber 6 is provided with a mounting plate 9; the upper side and the lower side of the mounting plate 9 are respectively inserted into a clamping groove 10, and the clamping groove 10 and the labyrinth box 2 are integrally formed; the labyrinth passage comprises a first serpentine passage 7 and a second serpentine passage 8; the second serpentine channel 8 is communicated with the sound returning hole 5.

Example 2:

The utility model discloses when loudspeaker 3 that is located acoustics cavity 6 when the transmission of partly low frequency sound wave that produces at the during operation in labyrinth pipeline, prolonged the propagation path of low frequency sound wave, when low frequency sound wave flows out from echo hole 5, can form the bass that control power is strong, elasticity is good, the dive is dark, muddy, can realize good bass effect on the basis that does not dispose low frequency loudspeaker unit, and reduced manufacturing cost.

Further, in another embodiment, said first serpentine channel 7 is arranged in a vertical direction and is located at the rear of said acoustic chamber 6; the second serpentine channel 8 is arranged horizontally and is located below the acoustic chamber 6 and the first serpentine channel 7.

Further, in another embodiment, the mounting plate 9 is provided with a plurality of threaded holes 11; the loudspeaker 3 is provided with a plurality of fixing holes 12 which are matched and connected with the threaded holes 11, and the loudspeaker 3 is fixedly connected with the mounting plate 9 through the threaded holes 11 and the fixing holes 12.

Further, in another embodiment, one end of the first serpentine channel 7 close to the acoustic chamber 6 is provided with a wavy side wall 13; the sound waves can be reflected for multiple times through the wavy side wall 13 conveniently, medium and high frequency signals are attenuated according to the acoustic principle, and more low frequencies below 40Hz are output through the labyrinth channel.

Further, in another embodiment, the labyrinth box 2 is provided with a plurality of mounting holes 14; the labyrinth box 2 is fixedly connected with the box body 1 through the mounting hole 14, so that the labyrinth box 2 is fixedly mounted in the box body 1 and is firm in mounting and not easy to loosen.

According to the description and drawings of the present invention, those skilled in the art can easily make or use the labyrinth type bookshelf sound box of the present invention, and can produce the positive effects described in the present invention.

Unless otherwise specified, in the present invention, if the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship indicated on the drawings, it is only for convenience of describing the present invention and simplifying the description, but it does not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation and be operated, therefore, the terms describing the orientation or positional relationship in the present invention are only used for illustrative purposes and are not to be construed as limiting the present patent, and those skilled in the art can understand the specific meaning of the above terms according to the specific circumstances with reference to the drawings.

Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly in the present disclosure and encompass, for example, either a fixed connection, a removable connection, or an integral connection; 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.

The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical matters of the present invention all fall into the protection scope of the present invention to any simple modification and equivalent change of the above embodiments.

Claims

1. The utility model provides a labyrinth bookshelf audio amplifier which characterized in that: comprises a box body (1), a labyrinth box (2) and a loudspeaker (3); the labyrinth box (2) is fixedly arranged in the box body (1); a through hole is formed in a front panel (4) of the box body (1), and the loudspeaker (3) is arranged in the through hole; the lower part of the front panel (4) is provided with a sound returning hole (5); an acoustic chamber (6) and a labyrinth channel are arranged in the labyrinth box (2); the acoustic chamber (6) is in communication with the labyrinth passage; the front part of the acoustic chamber (6) is provided with a mounting plate (9); the upper side and the lower side of the mounting plate (9) are respectively inserted into a clamping groove (10), and the clamping groove (10) and the labyrinth box (2) are integrally formed; the labyrinth passage comprises a first serpentine passage (7) and a second serpentine passage (8); the second serpentine channel (8) is communicated with the sound returning hole (5).

2. The labyrinth bookshelf sound box according to claim 1, characterized in that: the first serpentine channel (7) is arranged in a vertical direction and is located at the rear of the acoustic chamber (6); the second serpentine channel (8) is arranged horizontally and is located below the acoustic chamber (6) and the first serpentine channel (7).

3. The labyrinth bookshelf sound box according to claim 1, characterized in that: a plurality of threaded holes (11) are formed in the mounting plate (9); the loudspeaker (3) is provided with a plurality of fixing holes (12) which are matched and connected with the threaded holes (11), and the loudspeaker (3) is fixedly connected with the mounting plate (9) through the threaded holes (11) and the fixing holes (12).

4. The labyrinth bookshelf sound box according to claim 1, characterized in that: one end of the first serpentine channel (7) close to the acoustic chamber (6) is provided with a wave-shaped side wall (13).

5. The labyrinth bookshelf sound box according to claim 1, characterized in that: the labyrinth box (2) is provided with a plurality of mounting holes (14); the labyrinth box (2) is fixedly connected with the box body (1) through the mounting hole (14).