CN106604176B - Sound box - Google Patents
Sound box Download PDFInfo
- Publication number
- CN106604176B CN106604176B CN201710055818.7A CN201710055818A CN106604176B CN 106604176 B CN106604176 B CN 106604176B CN 201710055818 A CN201710055818 A CN 201710055818A CN 106604176 B CN106604176 B CN 106604176B
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- diffusion
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- 238000009792 diffusion process Methods 0.000 claims abstract description 71
- 238000007906 compression Methods 0.000 claims abstract description 39
- 230000006835 compression Effects 0.000 claims abstract description 38
- 238000005192 partition Methods 0.000 claims description 26
- 230000007423 decrease Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 17
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000013459 approach Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000013707 sensory perception of sound Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The invention provides a sound box, which comprises an outer box body and an inner box body arranged in the outer box body, wherein the inner box body comprises a driving unit and a sound outlet, the outer box body comprises a box shell and a box opening, the sound outlet faces the box shell, a compression cavity and a diffusion cavity are arranged between the inner box body and the outer box body, the compression cavity is communicated with the sound outlet, the diffusion cavity is communicated with the box opening, a throat pipe part is arranged between the compression cavity and the diffusion cavity, and the cross section area of the throat pipe part is smaller than that of the compression cavity and that of the diffusion cavity. In this way, the sound emitted by the driving unit reaches the compression cavity through the sound outlet, the compression cavity is compressed, the throat pipe part is narrower, the cross-sectional area of the throat pipe part is smaller, the sound is enabled to form a wave front again after passing through the throat pipe part, the sound is diffused out of the outside through the diffusion cavity, the angle of the sound is changed, the angle of the sound is controllable, the sound is concentrated, and the effect of precisely controlling the diffusion pointing angle is achieved.
Description
Technical Field
The invention relates to the technical field of acoustics, in particular to a sound box.
Background
The loudspeaker is the terminal of the sound system, which functions to convert audio electrical energy into corresponding acoustic energy and radiate it into space. It is an extremely important component of sound systems because it is responsible for converting electrical signals into acoustic signals for the human ear to directly listen to, it is directly cross-over with human hearing, which is very sensitive and has a strong discrimination of the timbre of complex sounds. The subjective perception of sound by the human ear is the most important criterion for evaluating the quality of sound in an audio system.
The existing loudspeaker box is mainly provided with a loudspeaker, the loudspeaker directly faces the outside, the loudspeaker directly transmits outwards after sounding, the sounding angle is uncontrolled, the sounding angle is large, sounding is not centralized, the space of a sound cavity is narrow, air conduction sound waves are unsmooth, music sound quality characteristics cannot be expressed truly, and sound quality is poor.
Therefore, how to provide a sound box with more concentrated sound emission angle and larger sound cavity space becomes a problem to be solved.
Disclosure of Invention
The invention provides a sound box with more concentrated sound production angle and larger sound cavity space.
The aim of the invention is realized by the following technical scheme:
the utility model provides a sound box, includes outer box and locates the interior box in the outer box, interior box includes drive unit and sound outlet, outer box includes box shell and case mouth, sound outlet orientation the box shell, be equipped with compression cavity and diffusion cavity between interior box and the outer box, compression cavity with sound outlet intercommunication, the diffusion cavity leads to the box mouth, be equipped with venturi portion intercommunication between compression cavity and the diffusion cavity, the cross-sectional area of venturi portion is less than the cross-sectional area of compression cavity and diffusion cavity.
Preferably, the inner box body comprises a sound emitting shell, the sound emitting opening is formed in the sound emitting shell, the sound emitting shell comprises a protruding portion and a recessed portion, the compression cavity is located between the recessed portion and the box shell, and the throat portion is located between the protruding portion and the box shell. Therefore, the compression cavity and the throat part can be formed by utilizing the space between the inner box body and the outer box body, and no separate additional component is needed, so that the material is saved, the volume of the sound box is reduced, and the production and the installation of the sound box are facilitated.
Preferably, the inner box body further comprises a diffusion shell connected with the sound emitting shell, the diameter of the diffusion shell gradually decreases along with the direction approaching to the box opening, and the diffusion cavity is located between the diffusion shell and the box shell. Therefore, a diffusion cavity can be formed by utilizing the space between the inner box body and the outer box body, so that the material is saved, the volume of the sound box is reduced, and the production and the installation of the sound box are facilitated.
Preferably, at least one chamber partition plate is arranged between the inner box body and the outer box body, the chamber partition plate is connected with the inner box body and the outer box body, and the chamber partition plate at least divides the diffusion cavity. Therefore, the sound quality can be improved, and the sound quality is better when the sound is emitted from the diffusion cavity.
Preferably, the chamber partition plate is provided with a first screw hole column and a second screw hole column, the first screw hole column is arranged at the connecting position with the sounding shell, the second screw hole column is arranged at the connecting position with the diffusion shell, and the outer box body is provided with a first through hole corresponding to the first screw hole column and a second through hole corresponding to the second screw hole column. Therefore, the outer box body can be installed through the first screw hole column and the second screw hole column, the installation of the sound emitting shell and the diffusion shell can be more stable after the installation, the relative positions of the sound emitting shell and the diffusion shell are not easy to change, and the reliability and stability of the sound box work are ensured.
Preferably, four chamber partition plates are arranged between the inner box body and the outer box body, the four chamber partition plates are uniformly distributed along the center, and the four chamber partition plates divide the diffusion cavity into a first chamber, a second chamber, a third chamber and a fourth chamber. Through the research and experiment of the inventor, the four chamber partition plates which are uniformly distributed are arranged, so that the sound quality is better, the sound emission angle is better controlled, and the sound is easier to concentrate.
Preferably, the sound box further comprises a cover plate, the cover plate covers the box opening, the diameter of the cover plate is larger than that of the outer box body, and a filter screen is arranged on the cover plate. The outer box body can be shielded through the cover plate, so that the outer box body is not easy to observe after installation, the installation is more convenient, sundries can be prevented from entering the diffusion cavity by the aid of the filter screen, and the stability of the operation of the loudspeaker box is guaranteed.
Preferably, the sound box is provided with at least two locks, the at least two locks are symmetrically arranged, each lock comprises a protruding part, and the protruding parts are rotatably arranged on the cover plate. The loudspeaker box can be arranged at the positions of the ceilings, the wallboards and the like by arranging the lock catches, the loudspeaker box can be arranged at the positions of the ceilings and the like by arranging the holes for the outer box body to enter, the outer box body is placed in the holes, the loudspeaker box can be arranged at the positions of the ceilings and the like by rotating the protruding parts, the installation is convenient, and the fixation is stable.
Preferably, a fixing ring is further arranged on the cover plate, and the lock catch is installed on the fixing ring. When the fixed ring is arranged to enable the loudspeaker box to be installed in the hole, the hole is formed by taking the size of the fixed ring as a standard, and after the loudspeaker box is installed, the fixed ring is matched with the hole to enable the loudspeaker box to be more stable.
Preferably, the lock catch comprises a rotating shaft and a fixing part, the fixing part is connected with a fixing ring, a fixing through hole is formed in the fixing part, the fixing part further comprises a fixing cover plate, the fixing through hole is located between the fixing ring and the fixing cover plate, the rotating shaft is installed in the fixing through hole, the protruding part is installed on the rotating shaft, a notch is formed in the fixing part and is communicated with the fixing through hole, the protruding part can move along the notch, the notch comprises a first notch extending along the axial direction and a second notch extending along the radial direction, and the second notch is adjacent to the fixing cover plate. In this way, the rotating shaft can be used to drive the protruding part to rotate, and the position of the protruding part in the axial direction of the fixing part can be adjusted, so that the axial position of the loudspeaker box during installation can be adjusted; and in the bellying can be accomodate the second breach to accomodate the bellying when dismantling and can take out the audio amplifier, make things convenient for the installation of audio amplifier and dismantlement maintenance etc..
The sound box comprises an outer box body and an inner box body arranged in the outer box body, wherein the inner box body comprises a driving unit and a sound outlet, the outer box body comprises a box shell and a box opening, the sound outlet faces the box shell, a compression cavity and a diffusion cavity are arranged between the inner box body and the outer box body, the compression cavity is communicated with the sound outlet, the diffusion cavity is communicated with the box opening, a throat pipe part is arranged between the compression cavity and the diffusion cavity, and the cross section area of the throat pipe part is smaller than that of the compression cavity and that of the diffusion cavity. In this way, the sound emitted by the driving unit reaches the compression cavity through the sound outlet, the compression cavity is compressed, the throat pipe part is narrower, the cross-sectional area of the throat pipe part is smaller, the sound is formed into a wave front again after passing through the throat pipe part, the sound is diffused out of the outside through the diffusion cavity, the sound cavity is larger in space, the angle of the sound is changed, the angle of the sound is controllable, the sound is concentrated, and the effect of precisely controlling the diffusion pointing angle is achieved.
Drawings
FIG. 1 is a perspective view of a sound box according to an embodiment of the present invention;
FIG. 2 is a side perspective view of a sound box according to an embodiment of the present invention;
FIG. 3 is an internal schematic view of a loudspeaker according to an embodiment of the invention;
fig. 4 is a bottom view of a sound box according to an embodiment of the present invention.
Reference numerals:
10-inner box, 11-sound outlet, 12-spherical part, 14-drive unit, 15-sound outlet housing, 16-diffusion housing, 17-convex part, 18-concave part, 20-outer box, 21-box, 22-box opening, 23-first through hole, 24-second through hole, 30-compression cavity, 31-chamber partition, 32-first screw hole column, 33-second screw hole column, 34-diffusion cavity, 35-throat part, 40-cover plate, 41-filter screen, 42-lock catch, 43-convex part, 44-fixed ring, 45-rotation shaft, 46-fixed part, 47-fixed through hole, 48-fixed cover plate, 49-first notch, 50-notch, 51-second notch, 52-access terminal.
Detailed Description
In the description of the present invention, it should be understood that the terms "center," "lateral," "upper," "lower," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more. In addition, the term "include" and any variations thereof are intended to cover a non-exclusive inclusion.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The invention will be further described with reference to the drawings and preferred embodiments.
As shown in fig. 1 to 4, the embodiment of the invention discloses a sound box, which comprises an outer box body 20 and an inner box body 10 arranged in the outer box body 20, wherein the inner box body 10 comprises a driving unit 14 and a sound outlet 11, the outer box body 20 comprises a box shell 21 and a box opening 22, the sound outlet 11 faces the box shell 21, a compression cavity 30 and a diffusion cavity 34 are arranged between the inner box body 10 and the outer box body 20, the compression cavity 30 is communicated with the sound outlet 11, the diffusion cavity 34 is communicated with the box opening 22, a throat pipe part 35 is arranged between the compression cavity 30 and the diffusion cavity 34, and the cross-sectional area of the throat pipe part 35 is smaller than the cross-sectional area of the compression cavity 30 and the cross-sectional area of the diffusion cavity 34.
The sound box in this embodiment includes an outer box 20 and an inner box 10 disposed in the outer box 20, the inner box 10 includes a driving unit 14 and a sound outlet 11, the outer box 20 includes a box shell 21 and a box opening 22, the sound outlet 11 faces the box shell 21, a compression cavity 30 and a diffusion cavity 34 are disposed between the inner box 10 and the outer box 20, the compression cavity 30 is communicated with the sound outlet 11, the diffusion cavity 34 is led to the box opening 22, a throat portion 35 is disposed between the compression cavity 30 and the diffusion cavity 34, and a cross-sectional area of the throat portion 35 is smaller than a cross-sectional area of the compression cavity 30 and a cross-sectional area of the diffusion cavity 34. In this way, the sound emitted by the driving unit 14 reaches the compression cavity 30 through the sound outlet 11, and is compressed in the compression cavity 30, and passes through the narrower throat portion 35, because the cross-sectional area of the throat portion 35 is smaller, the sound is reformed into a wave front after passing through, and is diffused out of the outside through the diffusion cavity, so that the sound cavity space is larger, the angle of the sound is changed, the angle of the sound is more controllable, the sound is more concentrated, and the effect of precisely controlling the diffusion pointing angle is achieved. In this embodiment, the sound outlet 11 faces the casing 21, so that the space of the sound box can be saved, and the space between the inner casing and the outer casing is utilized to form the compression cavity, the throat part, the diffusion cavity and the like, so that the material is saved, the internal space of the sound box is fully utilized, the manufacture is convenient, the cost is saved, and the maintenance is easy.
In this embodiment, the cross section is with respect to the transmission direction of the sound, i.e. the direction perpendicular to the transmission direction of the sound. The cross-sectional area of the diffusion chamber 34 gradually increases as it approaches the tank opening 22, so that not only the directivity of sound can be made more clear, but also the sound can be gradually amplified, and the sound level can be increased. In this embodiment, the inner case and the outer case may have a cylindrical and centrosymmetric structure, so that the sound is more uniform when entering the ear. In this embodiment, the cross-sectional area of the diffusion cavity 34 may be gradually increased with the approach of the tank opening 22 by gradually decreasing the outer surface of the inner tank 10 with the approach of the tank opening 22, or the cross-sectional area of the diffusion cavity 34 may be gradually increased with the approach of the tank opening 22 by gradually increasing the inner diameter of the outer tank 20 with the approach of the tank opening 22, or both. In this embodiment, the casing 21 of the outer casing 20 includes a casing bottom and a casing cylindrical portion, the sound outlet 11 may face the casing bottom, so that the space of the sound box may be saved, the channel is used to form a compression cavity, a throat portion, and other structures, and the sound outlet 11 may be located at the center of symmetry.
The inner box 10 comprises a sound outlet shell 15, the sound outlet 11 is arranged on the sound outlet shell 15, the sound outlet shell 15 comprises a protruding portion 17 and a recessed portion 18, the compression cavity 30 is located between the recessed portion 18 and the box shell 21, particularly between the recessed portion 18 and the bottom of the box shell, and the throat portion 35 is located between the protruding portion 17 and the box shell 21. Therefore, the compression cavity and the throat part can be formed by utilizing the space between the inner box body and the outer box body, and no separate additional component is needed, so that the material is saved, the volume of the sound box is reduced, and the production and the installation of the sound box are facilitated.
The inner casing 10 further includes a diffusion casing 16 connected to the sound emitting casing 15, the diffusion casing 16 gradually decreases in diameter in a direction approaching the casing mouth, and the diffusion cavity 34 is located between the diffusion casing 16 and the casing 21, specifically, may be located between the diffusion casing 16 and the casing cylindrical portion. Therefore, a diffusion cavity can be formed by utilizing the space between the inner box body and the outer box body, so that the material is saved, the volume of the sound box is reduced, and the production and the installation of the sound box are facilitated. Specifically, the diffusion shell may include a part of spherical surface, for example, a half sphere, or a half ellipsoid, or several half spheres connected with each other, or several half ellipsoids connected with each other, etc. In this embodiment, the cross-sectional area of the diffusion chamber 34 may be gradually increased as the case mouth 22 is approached by gradually decreasing the outer surface of the diffusion case 16 as the case mouth 22 is approached, the cross-sectional area of the diffusion chamber 34 may be gradually increased as the case mouth 22 is approached by gradually increasing the inner diameter of the cylindrical portion of the case, or both may be used.
At least one chamber partition plate 31 is arranged between the inner box body 10 and the outer box body 20, the chamber partition plate 31 is connected with the inner box body 10 and the outer box body 20, and the chamber partition plate 31 at least divides the diffusion cavity 34, so that the sound quality can be improved, and the sound quality is better when the sound is emitted from the diffusion cavity 34. Of course, the throat portion 35 may be divided by the chamber partition plate, or the compression chamber 30 may be divided, and of course, the space that is not blocked originally may be increased by one block by providing only one block of partition plate instead of completely dividing the airtight air, wherein the chamber partition plate 31 may extend in the radial direction. The cavity plate notch is arranged at one end, close to the box opening 22, of the cavity plate 31, the edge of the cavity plate notch is arc-shaped, and the cavity plate notch can enable sound to be mixed while the sounding angle is controlled by the cavity plate 31, so that sound quality is guaranteed to be good. In this embodiment, at least two chamber partition plates 31 are disposed between the inner case 10 and the outer case 20, and the at least two chamber partition plates 31 are disposed in central symmetry. The arrangement of two chamber baffles 31 can make the sound angle easier to control, and the symmetrical arrangement can make the sound quality better.
In this embodiment, four chamber separators 31 are disposed between the inner case 10 and the outer case 20, the four chamber separators 31 are uniformly distributed along the center, and the four chamber separators 31 divide the diffusion chamber 30 into a first chamber, a second chamber, a third chamber and a fourth chamber. Through the research and experiment of the inventor, the four chamber partition plates 31 which are uniformly distributed are arranged, so that the sound quality is better, the sound emission angle is better controlled, and the sound is easier to concentrate.
The chamber partition plate 31 is provided with a first screw hole column 32 and a second screw hole column 33, the first screw hole column 32 is arranged at the connection position with the sound emitting shell 15, the second screw hole column 33 is arranged at the connection position with the diffusion shell 16, and the outer box 20 is provided with a first through hole 23 corresponding to the position of the first screw hole column 32 and a second through hole 24 corresponding to the position of the second screw hole column 33. Therefore, the outer box body 20 can be installed through the first screw hole column 32 and the second screw hole column 33, the installation of the sound emitting shell 15 and the diffusion shell 16 can be more stable after the installation, the relative positions of the sound emitting shell 15 and the diffusion shell 16 are not easy to change, and the reliability and the stability of the operation of the sound box are ensured. Of course, screws are arranged on the sound box and are arranged on the first screw hole column 32 and the second screw hole column 33 so as to fix the outer box 20.
The sound box further comprises a cover plate 40, the cover plate 40 covers the box opening 22, the diameter of the cover plate 40 is larger than that of the outer box body 20, and a filter screen 41 is arranged on the cover plate 40. The outer box 20 can be shielded by the cover plate 40, so that the outer box 20 is not easy to observe after installation, the installation is more convenient, the filter screen 41 is arranged to prevent sundries from entering the cavity, and the stability of the operation of the loudspeaker box is ensured. The chamber baffle 31 is not in direct contact with the cover plate 40.
The sound box is provided with at least two lock catches 42, the at least two lock catches 42 are symmetrically arranged, the lock catches 42 comprise protruding portions 43, and the protruding portions 43 are rotatably arranged on the cover plate 40. The loudspeaker box can be installed at the positions of the ceilings, the wallboards and the like by arranging the lock catch 42, the loudspeaker box can be installed at the positions of the ceilings and the like by arranging the holes for the outer box body 20 to enter in, placing the outer box body 20 in the holes and rotating the protruding parts 43, and the loudspeaker box is convenient to install and stable in fixation. In this embodiment, four latches 42 may be disposed, where the positions of the four latches 42 correspond to the positions of the four chamber separators 31, and are respectively in the same radial direction with the four chamber separators 31, so that the structure stability and the stability after installation of the sound box are utilized.
The cover 40 is further provided with a fixing ring 44, and the lock catch 42 is mounted on the fixing ring 44. When the fixed ring 44 is arranged to enable the loudspeaker box to be installed in the hole, the size of the fixed ring 44 is used as a standard for perforating, and after the loudspeaker box is installed, the fixed ring 44 is matched with the hole to enable the loudspeaker box to be more stable.
The lock catch 42 comprises a rotating shaft 45 and a fixing portion 46, the fixing portion 46 is connected with the fixing ring 44, a fixing through hole 47 is formed in the fixing portion 46, the fixing portion 46 further comprises a fixing cover plate 4840, the fixing through hole 47 is located between the fixing ring 44 and the fixing cover plate 4840, the rotating shaft 45 is installed in the fixing through hole 47, the protruding portion 43 is installed on the rotating shaft 45, a notch 50 is formed in the fixing portion 46, the notch 50 is communicated with the fixing through hole 47, the protruding portion 43 can move along the notch 50, the notch 50 comprises a first notch 49 extending along the axial direction and a second notch 51 extending along the radial direction, and the second notch 51 is adjacent to the fixing cover plate 4840. In this way, the rotation shaft 45 can be used to drive the boss 43 to rotate, and the position of the boss 43 in the axial direction of the fixing portion 46 can be adjusted, so that the axial position of the sound box during installation can be adjusted; and the protruding part 43 can be stored in the second notch 51, so that the sound box can be taken out by storing the protruding part 43 when the sound box is detached, and the sound box is convenient to install, detach, maintain and the like.
The sound box is also provided with access ends 52 for accessing wires such as wires, data wires and the like, the sound box is arranged on the inner box body 10, the outer box body 20 is provided with cover body holes for the access ends 52 to pass through, and in the embodiment, the two access ends 52 are arranged.
The foregoing is a further detailed description of the invention in connection with the preferred embodiments, and it is not intended that the invention be limited to the specific embodiments described. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the invention, and these should be considered to be within the scope of the invention.
Claims (8)
1. The sound box is characterized by comprising an outer box body and an inner box body arranged in the outer box body, wherein the inner box body comprises a driving unit and a sound outlet, the outer box body comprises a box shell and a box opening, the sound outlet faces the box shell, a compression cavity and a diffusion cavity are arranged between the inner box body and the outer box body, the compression cavity is communicated with the sound outlet, the diffusion cavity is communicated with the box opening, a throat part is arranged between the compression cavity and the diffusion cavity and is communicated, the cross-sectional area of the throat part is smaller than the cross-sectional area of the compression cavity and the cross-sectional area of the diffusion cavity, the box shell of the outer box body comprises a box shell bottom and a box shell cylinder part, and the sound outlet faces the box shell bottom;
the inner box body comprises a sound outlet shell, the sound outlet is arranged on the sound outlet shell, the sound outlet shell comprises a protruding portion and a recessed portion, the compression cavity is located between the recessed portion and the box shell, and the throat portion is located between the protruding portion and the box shell;
the inner box body further comprises a diffusion shell connected with the sounding shell, the diameter of the diffusion shell gradually decreases along with the direction close to the box opening, and the diffusion cavity is located between the diffusion shell and the box shell.
2. The sound box according to claim 1, wherein at least one chamber partition is arranged between the inner box body and the outer box body, the chamber partition connects the inner box body and the outer box body, and the chamber partition at least divides the diffusion cavity.
3. The sound box according to claim 2, wherein the chamber partition plate is provided with a first screw hole column and a second screw hole column, the first screw hole column is arranged at a connection position with the sound emitting shell, the second screw hole column is arranged at a connection position with the diffusion shell, and the outer box body is provided with a first through hole corresponding to the first screw hole column and a second through hole corresponding to the second screw hole column.
4. The sound box according to claim 2, wherein four chamber partition plates are arranged between the inner box body and the outer box body, the four chamber partition plates are uniformly distributed along the center, and the four chamber partition plates divide the diffusion cavity into a first chamber, a second chamber, a third chamber and a fourth chamber.
5. The sound box according to any one of claims 1 to 4, further comprising a cover plate, wherein the cover plate covers the box opening, the diameter of the cover plate is larger than that of the outer box body, and a filter screen is arranged on the cover plate.
6. The sound box according to claim 5, wherein at least two latches are provided on the sound box, the at least two latches are symmetrically arranged, the latches comprise a protruding portion, and the protruding portion is rotatably mounted on the cover plate.
7. The sound box according to claim 6, wherein a fixing ring is further provided on the cover plate, and the lock catch is mounted on the fixing ring.
8. The sound box according to claim 7, wherein the lock catch comprises a rotating shaft and a fixing portion, the fixing portion is connected with the fixing ring, a fixing through hole is formed in the fixing portion, the fixing portion further comprises a fixing cover plate, the fixing through hole is located between the fixing ring and the fixing cover plate, the rotating shaft is installed in the fixing through hole, the protruding portion is installed on the rotating shaft, a notch is formed in the fixing portion and is communicated with the fixing through hole, the protruding portion can move along the notch, the notch comprises a first notch extending along the axial direction and a second notch extending along the radial direction, and the second notch is adjacent to the fixing cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710055818.7A CN106604176B (en) | 2017-01-25 | 2017-01-25 | Sound box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710055818.7A CN106604176B (en) | 2017-01-25 | 2017-01-25 | Sound box |
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| Publication Number | Publication Date |
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| CN106604176A CN106604176A (en) | 2017-04-26 |
| CN106604176B true CN106604176B (en) | 2023-11-03 |
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| CN201710055818.7A Active CN106604176B (en) | 2017-01-25 | 2017-01-25 | Sound box |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208094773U (en) * | 2017-07-17 | 2018-11-13 | 宁波升亚电子有限公司 | Loud speaker with sound wave steering structure and its sound wave steering structure |
| CN108391198A (en) * | 2018-04-26 | 2018-08-10 | 佛山市希林金属建材有限公司 | Embedded lightweight Ceiling loudspeaker housing |
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| US5804774A (en) * | 1996-11-20 | 1998-09-08 | Whelen Engineering Company, Inc. | Ported reflex horn |
| CN2336534Y (en) * | 1997-12-01 | 1999-09-01 | 吴国章 | Loudspeaker with wave band channel |
| JP2014074909A (en) * | 2012-09-17 | 2014-04-24 | Masahiko Morimoto | Sound device |
| US8757317B1 (en) * | 2013-05-03 | 2014-06-24 | Longinesteno Technology Complex Corporation | Barrel-shaped multidirectional loudspeaker enclosure structure |
| CN104683892A (en) * | 2014-09-25 | 2015-06-03 | 杭州正玺电子有限公司 | Method for winding box tube by using box tube winding equipment of paper speaker |
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| CN204316720U (en) * | 2014-12-05 | 2015-05-06 | 宁波音王电声股份有限公司 | A kind of audio amplifier |
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| CN205793215U (en) * | 2016-05-30 | 2016-12-07 | 深圳市创锐实业有限公司 | A kind of audio amplifier of Removeable housing |
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|---|---|
| CN106604176A (en) | 2017-04-26 |
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