CN113194368A - Sound box with dustproof and shockproof function - Google Patents
Sound box with dustproof and shockproof function Download PDFInfo
- Publication number
- CN113194368A CN113194368A CN202110486867.2A CN202110486867A CN113194368A CN 113194368 A CN113194368 A CN 113194368A CN 202110486867 A CN202110486867 A CN 202110486867A CN 113194368 A CN113194368 A CN 113194368A
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- Prior art keywords
- dust
- vibration
- proof
- dustproof
- ring
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- 239000000428 dust Substances 0.000 claims abstract description 95
- 238000013016 damping Methods 0.000 claims abstract description 22
- 230000006870 function Effects 0.000 claims abstract description 21
- 230000003313 weakening effect Effects 0.000 claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 230000000712 assembly Effects 0.000 claims abstract description 7
- 238000000429 assembly Methods 0.000 claims abstract description 7
- 230000003139 buffering effect Effects 0.000 claims description 23
- 238000009434 installation Methods 0.000 claims description 18
- 230000035939 shock Effects 0.000 claims description 17
- 238000010521 absorption reaction Methods 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 3
- 230000002265 prevention Effects 0.000 abstract description 6
- 239000002184 metal Substances 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 13
- 238000009423 ventilation Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000005236 sound signal Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012636 effector Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
-
- 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
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention relates to the field of sound equipment, and discloses a sound equipment with dustproof and shockproof functions, wherein a first-level, a second-level and a third-level damping mechanisms are arranged, when a shell shakes, a plurality of connecting shafts transmit the vibration to a second buffer ring through a plurality of buffer metal sheets, then the second buffer ring transmits the vibration to a first buffer ring through a weakening rubber ring, so that the first buffer ring transmits the vibration to a mounting ring through a plurality of encircling hydraulic damping assemblies, and because the buffer metal sheets, the weakening rubber ring and the hydraulic damping assemblies are all made of elastic buffer materials, the amplitude caused by the vibration can be effectively reduced, and finally, the mounting rings at four corners generate smaller vibration influence on the shell, so that the full damping is realized, and because the mounting plate for fixing a dust removal motor is not directly arranged on the shell but connected to the mounting rings, the vibration influence on the shell is reduced, on the other hand, the vibration influence on the sound during dust prevention is reduced.
Description
Technical Field
The invention relates to the field of sound equipment, in particular to a sound equipment with dustproof and shockproof functions.
Background
Sound equipment is a device which utilizes an electronic circuit design to perform mutual conversion between audio signals and electronic signals, but sound equipment generally refers to a whole set of equipment which can restore and play audio signals in general spoken language, sound equipment roughly comprises a power amplifier, peripheral equipment (including a limiter, an effector, an equalizer, a VCD, a DVD and the like), a loudspeaker (a sound box and a loudspeaker), a sound console and the like, and the development history of sound technology can be divided into four stages of an electronic tube, a transistor, an integrated circuit and a field effect tube.
In the existing life, the sound is often influenced by dust and vibration in the long-term use process, so that the tone quality of the sound is changed, and the normal use of the sound is influenced, and the sound with dustproof vibration absorption is also proposed in the existing patent documents, for example, devices disclosed in the patent publications CN111901712A and CN107948848B have the advantages that although a certain vibration absorption effect can be achieved, the vibration absorption effect is not ideal due to the installation mode of a driving mechanism and the like, and a dust collection mechanism is not arranged, so that the sound with the functions of dust prevention and vibration prevention is disclosed to meet the use requirement of the sound.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a sound box with a dustproof and shockproof function, which has the advantages of multistage shock absorption and the like and solves a series of problems of poor traditional shock absorption effect and the like.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a stereo set with dustproof shockproof dynamic function, includes the casing, be equipped with dustproof portion, dust clearance portion, dust collection unit and a plurality of damper on the casing, damper contains one-level damper, second grade damper and tertiary damper, the dustproof portion slides nested formula and connects on the casing, the dust collection unit is installed on the dustproof portion.
Preferably, the shock absorption part further comprises a mounting ring and a connecting shaft coaxially arranged in the mounting ring, wherein the first-level, second-level and third-level shock absorption mechanisms are sequentially arranged between the connecting shaft and the mounting ring from inside to outside, and mounting flanges are uniformly distributed on the circumferential direction of the mounting ring.
Preferably, the primary damping mechanism comprises a first buffer ring and a plurality of arched buffer metal sheets, and the buffer metal sheets are uniformly distributed between the connecting shaft and the first buffer ring.
Preferably, the secondary damping mechanism comprises a second buffer ring and a weakening rubber ring, the weakening rubber ring is filled between the second buffer ring and the first buffer ring, and weakening holes, horizontal holes and vertical holes which are uniformly distributed are formed in the weakening rubber ring.
Preferably, the three-stage damping mechanism comprises a plurality of hydraulic damping assemblies which are uniformly distributed, and two ends of each hydraulic damping assembly are respectively connected with the second buffer ring and the mounting ring.
Preferably, the dustproof portion comprises a U-shaped connecting block and a dustproof cover, a connecting frame is formed on one side of the housing, and a matching groove matched with the U-shaped connecting block is formed in the connecting frame.
Preferably, the dust cover is provided with a double-layer dust cover, and the double-layer dust cover is respectively provided with a plurality of dust holes staggered with each other.
Preferably, wherein be located two on casing upper portion the installing ring still is provided with and is used for the installation boss of dust clearance portion, dust clearance portion includes drive module and dust removal strip, drive module includes dust removal motor, driving belt and mounting panel, wherein, the mounting panel both ends respectively with installation boss fixed connection, install on the mounting panel the dust removal motor, the dust removal motor passes through driving belt drives dust removal strip reciprocating motion.
Preferably, the dust collecting unit comprises a collecting box, a clamping groove and a sliding groove are formed in the dust cover, an elastic connecting ball matched with the clamping groove is installed on the collecting box, sealing guide strips matched with the sliding groove are connected to two sides of the collecting box, and a collecting groove used for collecting dust is formed in the collecting box.
(III) advantageous effects
Compared with the prior art, the invention provides a sound box with the functions of dust prevention and vibration prevention, which has the following beneficial effects:
1. this stereo set with dustproof shockproof function, through setting up the one-level, second grade and tertiary damper, when the casing takes place to shake, a plurality of connecting axles will shake and transmit to the second buffering circle through a plurality of buffering sheetmetals, then the second buffering circle will shake through the reduction rubber circle and transmit to first buffering circle on, thereby make first buffering circle will shake through the hydraulic shock attenuation assembly of a plurality of surrounding types and transmit to the collar installation, because the buffering sheetmetal, the reduction rubber circle is elastic buffer material with hydraulic shock attenuation assembly, then can effectively reduce the amplitude that vibrations were brought, the final collar installation through the four corners produces less vibrations influence to the casing, full absorbing purpose has been realized.
2. This stereo set with dustproof function of taking precautions against earthquakes, through setting up the dust cover and the double-deck dust guard on it, can realize effectively preventing dust, and through a plurality of mutual staggered dust holes of seting up on the double-deck dust guard, can realize the ventilation cooling effect, also can avoid the dust to enter into the inside to the casing easily, make the raise dust fall into to the dust collection unit, be slidingtype nested connection through dust-proof portion and dust collection unit, make the dust cover be convenient for take out with the collection box and clear up, ensure dustproof effect.
3. This stereo set with dustproof shockproof function, through starting the dust removal motor, make drive pulley and driven pulley drive driving belt and rotate, under the guide effect of guide post and guide block, make and move with driving belt fixed connection's L type pillar, thereby drive a plurality of brushes and clear up one side of dust cover, because the mounting panel that is used for fixed dust removal motor is not direct mount on the casing but connect on the collar, thereby alleviateed the vibrations influence that produces the casing, on the other hand reduces the vibrations influence that produces the stereo set when dustproof.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of another embodiment of the present invention;
FIG. 3 is a schematic view of the present invention in a partially cut-away perspective configuration;
FIG. 4 is a schematic perspective view of the multi-stage damping mechanism of the present invention;
FIG. 5 is a schematic perspective view of the dust removing mechanism of the present invention;
FIG. 6 is a perspective view of the dust boot of the present invention;
FIG. 7 is a schematic view of a partially cut away perspective view of the dust cap of the present invention;
FIG. 8 is a perspective view of the collection box of the present invention;
FIG. 9 is an enlarged view of the structure at A in FIG. 3 according to the present invention;
fig. 10 is a partially enlarged view of fig. 1 according to the present invention.
In the figure: 1. a housing; 2. connecting blocks; 3. installing a ring; 4. a connecting shaft; 5. a gasket; 6. a connecting bolt; 7. a second buffer ring; 8. a first buffer ring; 9. a buffer metal sheet; 10. a weakening ring; 11. a horizontal hole; 12. a vertical hole; 13. a hydraulic damping assembly; 14. a connecting frame; 15. a fitting groove; 16. a dust cover; 17. a U-shaped connecting block; 18. a dust hole; 19. a collection box; 20. sealing the guide strip; 21. an elastic connection ball; 22. collecting tank; 23. a push block; 24. mounting a plate; 25. a dust removal motor; 26. a drive pulley; 27. an L-shaped strut; 28. a driven pulley; 29. a drive belt; 30. a dust removal strip; 31. a guide post; 32. a guide block; 33. and a brush.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to solve the above technical problems, the present application provides a sound box with dustproof and shockproof functions
In a typical embodiment of the present application, as shown in fig. 1 to 10, a sound box with a dustproof and shockproof function includes a housing 1, wherein a damping portion, a dustproof portion, a dust cleaning portion and a dust collecting unit are disposed on the housing 1, the damping portion includes a first-stage damping mechanism, a second-stage damping mechanism and a third-stage damping mechanism, sufficient shock absorption is achieved, the dustproof portion is connected to the housing 1 in a sliding nested manner, and the dust collecting unit is mounted on the dustproof portion.
Further, in the scheme, two connecting blocks 2 with opposite positions are fixedly connected to two sides of the shell 1, the four corners of the shell 1 are provided with mounting rings 3 matched with the corresponding connecting blocks 2, connecting shafts 4 are connected to the mounting rings 3, the connecting blocks 2 and the connecting shafts 4 in the same relative position are connected with each other through connecting bolts 6, gaskets 5 are sleeved on the connecting bolts 6, the connecting rings are fixedly connected with the shell 1 and the mounting rings 3 through the gaskets 5, the damping parts are arranged on the two upper portions of the shell, mounting bosses are further arranged on the mounting rings, and the shell 1 and the mounting plate 24 are fixed conveniently through the mounting rings 3 and the mounting bosses on the mounting rings.
Further, in last scheme, one-level damper contains first buffering circle 8 and buffering sheetmetal 9, all is equipped with coaxial first buffering circle 8 in a plurality of installation circles 3, installs the even arched buffering sheetmetal 9 of three distribution between connecting axle 4 and the first buffering circle 8 on the same relative position, and three buffering sheetmetal 9 is flexible metal material, through setting up buffering sheetmetal 9, takes place elastic deformation through it and carries out the shock attenuation.
Further, in last scheme, second grade damper contains second buffer ring 7 and weakening rubber circle 10, all be equipped with coaxial second buffer ring 7 between first buffer ring 8 on the same relative position and the installation circle 3, it has weakening rubber circle 10 to fill between second buffer ring 7 and the first buffer ring 8, weakening rubber circle 10 is elastic rubber material and has seted up the even weakening hole of distribution, horizontal hole 11 and vertical hole 12, wherein the weakening hole is formed jointly by a slotted hole and a round hole, through setting up the weakening hole, horizontal hole 11 and vertical hole 12, the elastic deformation that increase weakening rubber circle 10 can take place, through setting up weakening rubber circle 10, can effectively alleviate the vibrations effect to second buffer ring 7.
Further, in last scheme, tertiary damper contains a plurality of hydraulic shock attenuation assemblies 13 that distribute evenly, all installs a plurality of hydraulic shock attenuation assemblies 13 between a plurality of second cushion collar 7 and the installation collar 3 that corresponds, through setting up a plurality of surrounding type hydraulic shock attenuation assemblies 13, fully carries out the shock attenuation to installation collar 3, then reduces the vibration amplitude to casing 1.
Furthermore, in the above scheme, the dustproof portion comprises a matching groove 15 and a dustproof cover 16, one side of the shell 1 is connected with the connecting frame 14, the matching groove 15 is formed in the connecting frame 14, the dustproof cover 16 is arranged on one side of the connecting frame 14, and the dustproof cover 16 is connected with a U-shaped connecting block 17 matched with the matching groove 15, so that the shell 1 and the dustproof portion are connected in a sliding mode, and the shell is convenient to disassemble, assemble and clean regularly.
Further, in the above solution, the dust cover 16 is provided with a double-layer dust cover, and the double-layer dust cover is provided with a plurality of dust holes 18 staggered with each other, so that not only is the ventilation and heat dissipation effect achieved, but also the dust can be prevented from entering the inside of the housing 1 easily.
Further, in last scheme, dust clearance portion contains drive module and dust removal strip 30, is equipped with a plurality of even brushes 33 of distribution on the dust removal strip 30, clears up one side of dust cover 16 through drive module indirect drive a plurality of brushes 33, through setting up a plurality of brushes 33, drives a plurality of brushes 33 and wipes the dust on dust cover 16 surface at dust removal strip 30 reciprocating motion in-process.
Further, in the above scheme, the driving module contains dust removal motor 25 and driving belt 29, wherein be connected with same mounting panel 24 on two installation circle 3, install dust removal motor 25 and L type pillar 27 on the mounting panel 24, be connected with driving pulley 26 on the output shaft of dust removal motor 25, it has driven pulley 28 to rotate to cup joint on the L type pillar 27, the tensioning has same driving belt 29 on driving pulley 26 and the driven pulley 28, dust removal strip 30 fixed connection is on driving belt 29, be connected with guide post 31 on the mounting panel 24, be connected with guide block 32 on the dust removal strip 30, guide block 32 slides and cup joints on guide post 31, through setting up guide post 31 and guide block 32, guide when reciprocating motion to dust removal strip 30, avoid it to take place the skew, influence the clearance effect of a plurality of brushes 33.
Further, in the scheme, box 19 and collecting vat 22 are collected to the dust collection unit, draw-in groove and sliding tray have been seted up on the dust cover 16, collect and install the elastic connection ball 21 with draw-in groove looks adaptation on the box 19, the both sides of collecting the box 19 are connected with the sealed gib block 20 with sliding tray looks adaptation, offer the collecting vat 22 that is used for collecting the dust on the box 19 of collecting, the bottom of collecting the box 19 is connected with ejector pad 23, be convenient for manually promote to collect box 19 and carry out quick assembly disassembly, the convenient dust that will collect regularly clears up out.
The working principle is as follows:
when using, through setting up the one-level, second grade and tertiary damper, when casing 1 takes place to shake, a plurality of connecting axles 4 will shake and transmit to first buffering circle 8 through a plurality of buffering sheetmetals 9, then first buffering circle 8 will shake through weakening rubber circle 10 and transmit to second buffering circle 7 on, thereby make second buffering circle 7 will shake through the hydraulic shock attenuation assembly 13 of a plurality of surrounding types and transmit to the collar 3 on, because buffering sheetmetal 9, weakening rubber circle 10 is elastic buffer material with hydraulic shock attenuation assembly 13, then can effectively reduce the amplitude that vibrations brought, finally collar 3 through the four corners produces less vibrations influence to casing 1, the purpose of abundant shock attenuation has been realized.
Through setting up dust cover 16 and the double-deck dust guard on it, can realize effectively preventing dust, and a plurality of mutual staggered dust holes 18 of seting up on the double-deck dust guard, can realize ventilation cooling effect, also can avoid the dust to enter into the inside of casing 1 easily for the raise dust falls into to the dust collection unit, is slidingtype nested connection through dust prevention portion and dust collection unit, makes dust cover 16 and collection box 19 be convenient for take out and clear up, ensures dustproof effect.
Through starting dust removal motor 25 for driving pulley 26 and driven pulley 28 drive driving belt 29 and rotate, under the guide effect of guide post 31 and guide block 32, make L type pillar 27 with driving belt 29 fixed connection move, thereby drive a plurality of brushes 33 and clear up one side of dust cover 16, because the mounting panel 24 that is used for fixed dust removal motor 25 is not directly installed on casing 1 but is connected on collar 3, thereby lightened the vibrations influence that produces casing 1, the vibrations influence that produces the stereo set when on the other hand reduces dustproof.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a stereo set with dustproof shockproof dynamic function, includes casing (1), its characterized in that: be equipped with dustproof portion, dust clearance portion, dust collection unit and a plurality of damper portion on casing (1), damper portion contains one-level damper, second grade damper and tertiary damper, the dustproof portion slides nested formula to be connected on casing (1), the dust collection unit is installed on the dustproof portion.
2. A sound box with dust-proof and vibration-proof functions according to claim 1, wherein: the shock absorption part further comprises an installation ring (3) and a connecting shaft (4) which is coaxially arranged in the installation ring (3), wherein one-level, two-level and three-level shock absorption mechanisms are sequentially arranged between the connecting shaft (4) and the installation ring (3) from inside to outside, and installation flanges are uniformly distributed on the circumference direction of the installation ring (3).
3. A sound box having a dust-proof and vibration-proof function according to claim 2, wherein: one-level damper includes first buffering circle (8) and a plurality of arched buffering sheetmetal (9), and is a plurality of buffering sheetmetal (9) evenly distributed in between connecting axle (4) and first buffering circle (8).
4. A sound box with dust-proof and vibration-proof functions according to claim 3, wherein: the secondary damping mechanism comprises a second buffer ring (7) and a weakening rubber ring (10), the weakening rubber ring (10) is filled between the second buffer ring (7) and the first buffer ring (8), and weakening holes, horizontal holes (11) and vertical holes (12) which are uniformly distributed are formed in the weakening rubber ring (10).
5. A sound box with dust-proof and vibration-proof functions according to claim 4, characterized in that: the three-level damping mechanism comprises a plurality of hydraulic damping assemblies (13) which are uniformly distributed, and two ends of each hydraulic damping assembly (13) are respectively connected with the second buffer ring (7) and the mounting ring (3).
6. A sound box having a dust-proof and vibration-proof function according to claim 2, wherein: the dustproof portion comprises a U-shaped connecting block (17) and a dustproof cover (16), a connecting frame (14) is formed on one side of the shell (1), and a matching groove (15) matched with the U-shaped connecting block (17) is formed in the connecting frame (14).
7. A sound box with dust-proof and vibration-proof functions according to claim 6, characterized in that: the dustproof cover (16) is provided with a double-layer dustproof plate, and the double-layer dustproof plate is respectively provided with a plurality of mutually staggered dustproof holes (18).
8. A sound box with dust-proof and vibration-proof functions according to claim 6, characterized in that: wherein be located two on casing (1) upper portion the damping part installation circle (3) still are provided with and are used for the installation boss of dust clearance portion, dust clearance portion includes drive module and dust removal strip (30), drive module includes dust removal motor (25), driving belt (29) and mounting panel (24), wherein, mounting panel (24) both ends respectively with installation boss fixed connection, install on mounting panel (24) dust removal motor (25), dust removal motor (25) pass through driving belt (29) drive dust removal strip (30) reciprocating motion.
9. A sound box having a dust-proof and vibration-proof function according to claim 8, wherein: the dust collection unit comprises a collection box (19), a clamping groove and a sliding groove are formed in the dust cover (16), an elastic connection ball (21) matched with the clamping groove is mounted on the collection box (19), sealing guide strips (20) matched with the sliding groove are connected to two sides of the collection box (19), and a collection groove (22) used for collecting dust is formed in the collection box (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110486867.2A CN113194368A (en) | 2021-05-02 | 2021-05-02 | Sound box with dustproof and shockproof function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110486867.2A CN113194368A (en) | 2021-05-02 | 2021-05-02 | Sound box with dustproof and shockproof function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113194368A true CN113194368A (en) | 2021-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110486867.2A Pending CN113194368A (en) | 2021-05-02 | 2021-05-02 | Sound box with dustproof and shockproof function |
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| Country | Link |
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| CN (1) | CN113194368A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114979861A (en) * | 2022-05-25 | 2022-08-30 | 宁波好德美电声有限公司 | Novel sand control gravel sandy beach car stereo set |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107707997A (en) * | 2017-11-07 | 2018-02-16 | 湖州宏跃电子器件厂 | A kind of deashing storage device of stage audio amplifier |
| CN207053703U (en) * | 2017-08-02 | 2018-02-27 | 广州市明歌电子科技有限公司 | A kind of Novel seismic-proof moves dedusting sound equipment |
| CN210168174U (en) * | 2019-10-17 | 2020-03-20 | 江西首嘉信息技术有限公司 | Dustproof sound box |
| CN210641023U (en) * | 2019-11-21 | 2020-05-29 | 浙江嘉彩电子科技有限公司 | Sound box for LED screen display |
-
2021
- 2021-05-02 CN CN202110486867.2A patent/CN113194368A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207053703U (en) * | 2017-08-02 | 2018-02-27 | 广州市明歌电子科技有限公司 | A kind of Novel seismic-proof moves dedusting sound equipment |
| CN107707997A (en) * | 2017-11-07 | 2018-02-16 | 湖州宏跃电子器件厂 | A kind of deashing storage device of stage audio amplifier |
| CN210168174U (en) * | 2019-10-17 | 2020-03-20 | 江西首嘉信息技术有限公司 | Dustproof sound box |
| CN210641023U (en) * | 2019-11-21 | 2020-05-29 | 浙江嘉彩电子科技有限公司 | Sound box for LED screen display |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114979861A (en) * | 2022-05-25 | 2022-08-30 | 宁波好德美电声有限公司 | Novel sand control gravel sandy beach car stereo set |
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