CN113329311B - Loudspeaker device - Google Patents
Loudspeaker device Download PDFInfo
- Publication number
- CN113329311B CN113329311B CN202110882694.6A CN202110882694A CN113329311B CN 113329311 B CN113329311 B CN 113329311B CN 202110882694 A CN202110882694 A CN 202110882694A CN 113329311 B CN113329311 B CN 113329311B
- Authority
- CN
- China
- Prior art keywords
- assembly
- piece
- transmission
- component
- loudspeaker
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 54
- 239000000428 dust Substances 0.000 claims abstract description 35
- 238000001816 cooling Methods 0.000 claims description 13
- 230000006698 induction Effects 0.000 claims description 6
- 230000001737 promoting effect Effects 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 230000005494 condensation Effects 0.000 description 4
- 238000009833 condensation Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000000007 visual effect Effects 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
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/14—Wipes; Absorbent members, e.g. swabs or sponges
- B08B1/143—Wipes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
- B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
-
- 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
- H04R1/12—Sanitary or hygienic devices for mouthpieces or earpieces, e.g. for protecting against infection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Cleaning In General (AREA)
Abstract
The invention is suitable for the technical field of electroacoustic conversion, and provides a loudspeaker device, which comprises a loudspeaker component and a placing device, wherein the loudspeaker component is fixedly connected with a supporting piece arranged in the placing device, and the loudspeaker device also comprises: the dust removal mechanism is movably connected with the placing device and used for removing dust of the loudspeaker assembly, the dust removal mechanism comprises a driving assembly, a transmission assembly and a fan assembly, and the transmission assembly comprises a transmission piece A, a main shaft and a transmission piece B; the transmission component converts the rotary motion of the driving component into the rotary motion of the main shaft in the horizontal direction through the transmission component A, the transmission component B converts the rotary motion of the main shaft in the horizontal direction into the rotary motion of the fan component in the vertical direction, and the fan component carries out negative pressure dust collection on the loudspeaker component in a mode of promoting the placing device to form pressure difference with the external environment. The dust removal mechanism can remove dust from the loudspeaker assembly and cannot damage the loudspeaker assembly.
Description
Technical Field
The invention belongs to the technical field of electroacoustic conversion, and particularly relates to a loudspeaker device.
Background
Along with the improvement of living standard of people, various entertainment modes gradually enter the visual field of people. Particularly, as a square dance for the national sports, the square dance can start sports by only one set of sound equipment, and is very popular with people.
Whether the inside of the speaker device is clean or not can directly affect the tone quality of the speaker, and the service life of the speaker can be further shortened when the dust in the speaker is too much.
The existing loudspeaker device is difficult to clean dust falling in the loudspeaker and can damage a vibrating cone in the loudspeaker while cleaning the dust in the loudspeaker.
Disclosure of Invention
The invention aims to provide a loudspeaker device, and aims to solve the problems that dust falling in a loudspeaker is difficult to clean, and a vibration cone in the loudspeaker is damaged while the dust in the loudspeaker is cleaned in the conventional loudspeaker device.
The embodiment of the present invention is achieved as follows, in which a speaker device includes a speaker assembly and a placement device, the speaker assembly is fixedly connected to a support member disposed in the placement device, and the speaker device further includes:
the dust removal mechanism is movably connected with the placing device and used for removing dust of the loudspeaker assembly, the dust removal mechanism comprises a driving assembly, a transmission assembly and a fan assembly, and the transmission assembly comprises a transmission piece A, a main shaft and a transmission piece B;
the transmission component converts the rotary motion of the driving component into the rotary motion of the main shaft in the horizontal direction through the transmission component A, the transmission component B converts the rotary motion of the main shaft in the horizontal direction into the rotary motion of the fan component in the vertical direction, and the fan component carries out negative pressure dust collection on the loudspeaker component in a mode of promoting the placing device to form pressure difference with the external environment.
On the basis of the technical scheme, the invention also provides the following optional technical scheme:
the further technical scheme is as follows: the placing device is provided with an electric circulation system used for supplying power to the driving assembly, the electric circulation system comprises a storage battery and a magnetic wire cutting assembly, and the magnetic wire cutting assembly charges the storage battery through the principle that a magnetic induction wire is cut to form current.
The further technical scheme is as follows: the driving assembly comprises a driving piece and a rotating shaft A, the driving piece is connected with the placing device, the rotating shaft A is connected with the driving piece, and the driving piece is connected with the main shaft through a transmission piece A.
The further technical scheme is as follows: the fan assembly comprises a rotating shaft B and a placing piece, the rotating shaft B is rotatably connected with the placing piece, the rotating shaft B is connected with a transmission piece B, and fan blades are connected to the rotating shaft B.
The further technical scheme is as follows: the placing part is provided with a cooling assembly used for cooling the driving assembly, the cooling assembly comprises a condensation part and a heat conduction supporting part, the condensation part is connected with the heat conduction supporting part, the heat conduction supporting part is connected with the placing part, and the heat conduction supporting part is rotatably connected with the rotating shaft B.
The further technical scheme is as follows: the magnetic wire cutting assembly includes a wiper member and a cutting member, the cutting member being rotatably coupled to the placement device, the wiper member being coupled to the cutting member.
The further technical scheme is as follows: the transmission part B comprises a worm and a worm wheel, the worm is connected with the main shaft, the worm wheel is in transmission connection with the fan assembly, and the worm is meshed with the worm wheel
According to the loudspeaker device provided by the embodiment of the invention, the dust removal mechanism can convert the rotary motion of the driving component into the rotary motion of the main shaft in the horizontal direction by using the transmission part A in the transmission component, the rotary motion of the rotating main shaft in the horizontal direction is converted into the rotary motion of the fan component in the vertical direction by using the transmission part B, and the rotary fan component enables the placing device and the external environment to form a pressure difference.
Drawings
FIG. 1 is a schematic diagram of the structural distribution of the components of the present invention.
Fig. 2 is a schematic view of the overall structure of the present invention.
FIG. 3 is an enlarged view of the part A structure of the present invention.
FIG. 4 is an enlarged view of the structure of part B of the present invention.
Fig. 5 is a schematic structural view of a cooling module according to the present invention.
Notations for reference numerals: the dust removing mechanism comprises a dust removing mechanism 1, a driving assembly 2, a driving piece 201, a rotating shaft A202, a transmission piece A203, a transmission assembly 3, a main shaft 301, a worm 302, a worm wheel 303, a fan assembly 4, a rotating shaft B401, fan blades 402, a placing piece 403, a cooling assembly 5, a condensing piece 501, a heat conducting supporting piece 502, a loudspeaker assembly 6, an electric circulating system 7, a magnetic wire cutting assembly 8, a wiping piece 801, a cutting piece 802, a rotating shaft C803, a supporting piece 9, a ventilation hole 10, a storage battery 11 and a placing device 12.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
Referring to fig. 1 to fig. 2, a speaker device according to an embodiment of the present invention includes a speaker assembly 6 and a placement device 12, where the speaker assembly 6 is fixedly connected to a support 9 disposed in the placement device 12, and further includes:
the dust removal mechanism 1 is movably connected with the placing device 12 and is used for removing dust of the loudspeaker assembly 6, the dust removal mechanism 1 comprises a driving assembly 2, a transmission assembly 3 and a fan assembly 4, and the transmission assembly 3 comprises a transmission piece A203, a main shaft 301 and a transmission piece B;
the transmission component 3 converts the rotation motion of the driving component 2 into the rotation motion of the main shaft 301 in the horizontal direction through the transmission component a203, the transmission component B converts the rotation motion of the main shaft 301 in the horizontal direction into the rotation motion of the fan component 4 in the vertical direction, and the fan component 4 performs negative pressure dust collection on the speaker component 6 by a mode of promoting the placing device 12 to form a pressure difference with the external environment.
Preferably, the supporting member 9 is a Y-shaped bracket, and the supporting member 9 is provided with a vent hole 10. The purpose of this arrangement is to facilitate placement of the speaker assembly 6 and to enable the placement device 12 to communicate with the external environment.
Preferably, the transmission member a203 is a gear pair or a belt pair. The purpose of this arrangement is to drivingly connect the drive assembly 2 and the main shaft 301.
Preferably, the transmission member B (not shown) includes a worm 302 and a worm wheel 303, the worm 302 is fixedly connected with the main shaft 301, the worm wheel 303 is in transmission connection with the fan assembly 4, and the worm 302 is engaged with the worm wheel 303. This arrangement is intended to act as a transmission means for the main shaft 301 to carry the fan assembly 4.
In the embodiment of the present invention, the dust removing mechanism 1 can convert the rotation motion of the driving assembly 2 into the rotation motion of the main shaft 301 in the horizontal direction by using the transmission piece a203 in the transmission assembly 3, the rotation motion of the rotating main shaft 301 in the horizontal direction is converted into the rotation motion of the fan assembly 4 in the vertical direction by using the transmission piece B, and the rotating fan assembly 4 makes the placing device 12 form a pressure difference with the external environment, and the purpose of this arrangement is to make the dust in the speaker assembly 6 be discharged from the speaker under the negative pressure.
Referring to fig. 1, 2 and 4, as an embodiment of the present invention, an electric circulation system 7 for supplying power to the driving assembly 2 is disposed on the placing device 12, the electric circulation system 7 includes a storage battery 11 and a magnetic wire cutting assembly 8, and the magnetic wire cutting assembly 8 charges the storage battery 11 by cutting magnetic induction wires to form an electric current.
Preferably, the magnetic wire cutting assembly 8 is electrically connected to the accumulator 11.
Preferably, the storage battery 11 is fixedly connected with the placing device 12, and the storage battery 11 is electrically connected with the driving assembly 2.
Preferably, the magnetic wire cutting assembly 8 comprises a wiping element 801 and a cutting element 802, the cutting element 802 being rotatably connected to the placement device 12 by a rotating shaft C803 fixedly connected thereto, the wiping element 801 being fixedly connected to the cutting element 802. The purpose of this arrangement is to cut the magnetic field formed by the speaker unit 6 by rotating the cutter 802 to form a current, and the wiper 801 fixedly attached to the cutter 802 can wipe and remove dust from the speaker unit 6.
Preferably, the cutting member 802 is a closed loop frame. The purpose of this arrangement is to increase the magnetic field cutting frequency.
Preferably, the wiper 801 is a rubber brush.
In the embodiment of the present invention, since the rotating motion of the fan assembly 4 in the dust removing mechanism 1 causes the placing device 12 to form a pressure difference with the external environment, so as to suck the external air into the placing device 12 through the ventilation hole 10, at this time, the cutting member 802 rotatably connected to the placing device 12 performs a rotating motion in the vertical direction under the action of the suction force, the rotating cutting member 802 cuts the magnetic induction lines formed by the speaker assembly 6 to form a current, the battery 11 is charged, and the wiper 801 fixedly connected to the rotating shaft C803 can wipe and remove dust from the speaker assembly 6.
As an alternative to this embodiment, the electrical circulation system 7 may also use a hand-operated wheel to drive the cutting member 802 to rotate to cut the magnetic induction wire to form an electrical current.
Referring to fig. 1 to fig. 2, as an embodiment of the present invention, the driving assembly 2 includes a driving member 201 and a rotating shaft a202, the driving member 201 is fixedly connected to the placing device 12, the rotating shaft a202 is fixedly connected to an output shaft of the driving member 201, and the driving member 201 is in transmission connection with the main shaft 301 through a transmission member a 203.
Preferably, the driving member 201 is a motor or a hand wheel.
In the embodiment of the present invention, the driving component 201 drives the rotating shaft a202 to rotate, and the rotating shaft a202 drives the main shaft 301 to rotate through the transmission component a203, which is configured to drive the main shaft 301 to rotate in the horizontal direction.
Referring to fig. 1, fig. 2 and fig. 3, as an embodiment of the present invention, the fan assembly 4 includes a rotating shaft B401 and a placing member 403, the rotating shaft B401 is rotatably connected to the placing member 403, the rotating shaft B401 is connected to a transmission member B, and the rotating shaft B401 is fixedly connected to a fan blade 402.
Preferably, the rotating shaft B401 is fixedly connected with the worm wheel 303 in the transmission member B.
Preferably, the placing member 403 is a box. The purpose of this arrangement is to protect fan blades 402.
In the embodiment of the present invention, the main shaft 301 drives the rotating shaft B401 to rotate through the transmission member B, and the rotating shaft B401 drives the fan blade 402 to rotate in the placing member 403, so as to utilize the rotating fan blade 402 to draw the external air into the placing device 12 to form negative pressure.
As an alternative of the present invention, the fan assembly 4 may also use a motor to rotate the fan blades 402 to draw outside air into the placement device 12 to form negative pressure.
Referring to fig. 1, fig. 2, fig. 4 and fig. 5, as an embodiment of the present invention, a cooling assembly 5 for cooling a driving assembly 2 is disposed on the placing member 403, the cooling assembly 5 includes a condensing member 501 and a heat conducting supporting member 502, the condensing member 501 is fixedly connected to the heat conducting supporting member 502, the heat conducting supporting member 502 is embedded in the placing member 403, and the heat conducting supporting member 502 is rotatably connected to the rotating shaft B401.
Preferably, the heat conducting supporting member 502 includes a sleeve (not shown) and a plurality of heat conducting metal tubes uniformly connected around the sleeve, the sleeve is rotatably connected to the rotating shaft B401, and the plurality of heat conducting metal tubes are fixedly connected to the placing device 12 through an annular metal ring. The purpose of this arrangement is to provide a cooling module 5 embedded in the placement device.
Preferably, the condensation member 501 is a condensation pipe.
Preferably, a plurality of the condensing members 501 are provided, and a plurality of the condensing members 501 are annularly distributed on the heat conducting support member 502. The purpose of this arrangement is to enable rapid cooling of the air passing through the condenser tube.
In the embodiment of the present invention, the purpose of this arrangement is to cool the air drawn by the fan assembly 4 by using the condensing element 501, and cool the driving assembly 2 by using the cooled air from the fan assembly 4.
The embodiment of the invention provides a loudspeaker device, and the loudspeaker device is provided with the dust removal mechanism 1 and the electric circulation system 7, and the technical effects of quickly and safely cleaning dust for the loudspeaker assembly 6 and improving the energy utilization efficiency are achieved by matching the dust removal mechanism 1 and the electric circulation system 7.
The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.
Claims (3)
1. A speaker device comprises a speaker assembly and a placement device, wherein the speaker assembly is fixedly connected with a support piece arranged in the placement device, and the speaker device is characterized by further comprising:
the dust removal mechanism is movably connected with the placing device and used for removing dust of the loudspeaker assembly, the dust removal mechanism comprises a driving assembly, a transmission assembly and a fan assembly, the transmission assembly comprises a transmission piece A, a main shaft and a transmission piece B, and the main shaft is rotatably connected with the placing device;
the placing device is provided with an electric circulation system used for supplying power to the driving assembly, the electric circulation system comprises a storage battery and a magnetic wire cutting assembly, the storage battery is embedded in the placing device, the magnetic wire cutting assembly is connected with the placing device, and the magnetic wire cutting assembly charges the storage battery by the principle that a magnetic induction wire is cut to form current;
the magnetic wire cutting assembly comprises a wiping piece and a cutting piece, the cutting piece is rotatably connected with the placing device, the wiping piece is connected with the cutting piece, and the cutting piece is electrically connected with the storage battery;
the transmission component converts the rotary motion of the driving component into the rotary motion of the main shaft in the horizontal direction through the transmission component A, the transmission component B converts the rotary motion of the main shaft in the horizontal direction into the rotary motion of the fan component in the vertical direction, the fan component performs negative pressure dust collection on the loudspeaker component in a mode of causing the placing device to form pressure difference with the external environment, meanwhile, the negative pressure pushes the cutting piece to rotate in the vertical direction, the cutting piece forms current to charge the storage battery in a mode of cutting a magnetic induction line formed by the loudspeaker component, and the cutting piece performs dust removal on the surface of the loudspeaker component in a mode of driving the wiping piece to rotate in the vertical direction;
the driving assembly comprises a driving piece and a rotating shaft A, the driving piece is connected with the placing device, the rotating shaft A is connected with the driving piece, and the driving piece is connected with the main shaft through a transmission piece A;
the transmission part B comprises a worm and a worm wheel, the worm is connected with the main shaft, the worm wheel is in transmission connection with the fan assembly, and the worm is meshed with the worm wheel.
2. The speaker device according to claim 1, wherein the fan assembly comprises a rotating shaft B and a placing member, the rotating shaft B is rotatably connected with the placing member, the rotating shaft B is connected with a transmission member B, and fan blades are connected to the rotating shaft B.
3. The speaker device according to claim 2, wherein the placing member is provided with a cooling assembly for cooling the driving assembly, the cooling assembly includes a condensing member and a heat-conducting supporting member, the condensing member is connected to the heat-conducting supporting member, the heat-conducting supporting member is connected to the placing member, and the heat-conducting supporting member is rotatably connected to the rotating shaft B.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110882694.6A CN113329311B (en) | 2021-08-02 | 2021-08-02 | Loudspeaker device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110882694.6A CN113329311B (en) | 2021-08-02 | 2021-08-02 | Loudspeaker device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113329311A CN113329311A (en) | 2021-08-31 |
| CN113329311B true CN113329311B (en) | 2021-11-23 |
Family
ID=77426724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110882694.6A Active CN113329311B (en) | 2021-08-02 | 2021-08-02 | Loudspeaker device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113329311B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101119014A (en) * | 2007-07-18 | 2008-02-06 | 泰豪科技股份有限公司 | Low noise box type power station of negative pressure induced wind path |
| CN104536718A (en) * | 2014-12-29 | 2015-04-22 | 珠海全志科技股份有限公司 | Method for directly transmitting audio materials in multiple paths to different audio devices based on android |
| CN108730113A (en) * | 2018-08-13 | 2018-11-02 | 华中国电电力集团有限公司 | Gentle breeze energy-gathering device suitable for breeze wind |
| CN112492422A (en) * | 2020-11-30 | 2021-03-12 | 苏州爵子网络科技有限公司 | Energy-saving and emission-reducing outdoor loudspeaker box rotating assembly device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204316690U (en) * | 2015-01-21 | 2015-05-06 | 韩漾 | A kind of sports type self-charging audio amplifier |
| CN207321521U (en) * | 2017-11-01 | 2018-05-04 | 李磊 | A kind of audio device for stage |
| CN208063383U (en) * | 2018-04-03 | 2018-11-06 | 丘雨 | A kind of sound equipment of good heat dissipation effect |
| CN208863055U (en) * | 2018-11-21 | 2019-05-14 | 深圳市金美科电子有限公司 | A kind of K that heat dissipation performance is high song sound equipment |
| CN210518702U (en) * | 2019-10-18 | 2020-05-12 | 深圳市龙近源科技有限公司 | Sound box convenient to radiate heat |
| CN210899513U (en) * | 2019-12-18 | 2020-06-30 | 安徽徽为世创智能科技有限公司 | Stage stereo set with self-cleaning function |
| CN212413360U (en) * | 2020-05-14 | 2021-01-26 | 朱世兵 | Sound box with good heat dissipation effect |
-
2021
- 2021-08-02 CN CN202110882694.6A patent/CN113329311B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101119014A (en) * | 2007-07-18 | 2008-02-06 | 泰豪科技股份有限公司 | Low noise box type power station of negative pressure induced wind path |
| CN104536718A (en) * | 2014-12-29 | 2015-04-22 | 珠海全志科技股份有限公司 | Method for directly transmitting audio materials in multiple paths to different audio devices based on android |
| CN108730113A (en) * | 2018-08-13 | 2018-11-02 | 华中国电电力集团有限公司 | Gentle breeze energy-gathering device suitable for breeze wind |
| CN112492422A (en) * | 2020-11-30 | 2021-03-12 | 苏州爵子网络科技有限公司 | Energy-saving and emission-reducing outdoor loudspeaker box rotating assembly device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113329311A (en) | 2021-08-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113329311B (en) | Loudspeaker device | |
| CN210343616U (en) | Novel cooling device for wind driven generator | |
| CN214101650U (en) | Sound box convenient for ash removal | |
| CN211202191U (en) | Wind driven generator with heat dissipation device | |
| CN210016408U (en) | Inversion cabinet for inverter | |
| CN209915852U (en) | Electrostatic suction type dust collector | |
| CN211127400U (en) | New energy automobile motor heat abstractor | |
| CN105662270A (en) | Wind-driven dust remover | |
| CN214205189U (en) | Rapid heat dissipation device for switched reluctance motor | |
| CN209959497U (en) | Fan with stable operation | |
| CN215818358U (en) | Television rear cover with dust removal air duct | |
| CN107591506B (en) | Lithium battery protection device with damping function | |
| CN205493705U (en) | Wind energy dust remover | |
| CN215073692U (en) | High-efficient radiating protection device for switching power supply | |
| CN210469606U (en) | 5G router convenient for dust removal | |
| CN214014684U (en) | Dustproof high-voltage constant-current power supply device | |
| CN215187026U (en) | Security protection face identification intelligent monitoring equipment | |
| CN219812039U (en) | Dustproof heat radiation structure | |
| CN219436856U (en) | Three-in-one frequency converter device for military electric vehicle-mounted air conditioning system | |
| CN217118449U (en) | Low-power-consumption handheld USB color Doppler ultrasonic diagnostic instrument probe | |
| CN216413998U (en) | Wireless charging equipment with high-efficiency heat dissipation performance | |
| CN218456363U (en) | Motor casing with reliable protection architecture | |
| CN211728584U (en) | Grinding device is used in processing of motor curb plate | |
| CN212413380U (en) | Sound box convenient to radiate heat | |
| CN211791033U (en) | Efficient rotating motor for pump body |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |