CN113556635A - Multichannel sound with adjusting function - Google Patents
Multichannel sound with adjusting function Download PDFInfo
- Publication number
- CN113556635A CN113556635A CN202110817900.5A CN202110817900A CN113556635A CN 113556635 A CN113556635 A CN 113556635A CN 202110817900 A CN202110817900 A CN 202110817900A CN 113556635 A CN113556635 A CN 113556635A
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- China
- Prior art keywords
- supporting
- fixedly connected
- block
- transverse plate
- supporting block
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- 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
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- 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
- H04R1/026—Supports for loudspeaker casings
-
- 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
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/323—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only for loudspeakers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/02—Details casings, cabinets or mounting therein for transducers covered by H04R1/02 but not provided for in any of its subgroups
- H04R2201/025—Transducer mountings or cabinet supports enabling variable orientation of transducer of cabinet
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The invention discloses a multi-channel sound with an adjusting function, which comprises a vertical shaft, a multi-channel sound body, a rack, a gear and a clamping block, wherein a connecting shaft is driven to rotate by shaking a rocking handle, the gear is driven to rotate by the connecting shaft, the rack drives a fixed vertical plate to move upwards, a second inclined part pushes a first inclined part, a second sliding rod drives a third supporting block to slide along a supporting seat, the third supporting block extrudes a second spring to enable the third supporting block to contract, the clamping block is moved out of a groove, the clamping block does not position the groove when the fixed vertical plate moves upwards, the rocking handle is not shaken after the fixed vertical plate moves to a required height, the second spring elastically extends to push the second sliding rod and the third supporting block to enable the clamping block to approach the groove, and after the clamping block is inserted into the groove corresponding to the clamping block, the first horizontal part is attached to the second horizontal part, the clamping block is clamped with the groove, so that the fixed vertical plate is kept at the current height and does not move any more.
Description
Technical Field
The invention relates to a sound box, in particular to a multi-channel sound box with an adjusting function.
Background
Audio electronics (Audio electronics) generally refers to a device that utilizes an electronic circuit design to perform inter-conversion between Audio signals and electronic signals, but in general speaking, Audio electronics generally refers to a whole set of devices that can reproduce and play Audio signals, and Audio equipment roughly includes a power amplifier, peripheral devices (including a limiter, an effector, an equalizer, a VCD, a DVD, etc.), speakers (a sound box, a loudspeaker), a sound console, and the like. The development history of the sound technology can be divided into four stages of an electronic tube, a transistor, an integrated circuit and a field effect tube, the sound is divided into a single-channel sound, a double-channel sound and a multi-channel sound, and the application of the multi-channel sound is more and more extensive along with the pursuit of people on tone quality.
The multi-channel sound box with the adjusting function is further improved by providing the multi-channel sound box with the advantages that the height of the multi-channel sound box is not convenient to adjust by an existing person, the direction of the multi-channel sound box is also not convenient to adjust, and the multi-channel sound box is inconvenient to use.
Disclosure of Invention
The present invention is directed to a multi-channel audio system with adjustment function, so as to solve the problems of the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a multichannel sound box with an adjusting function comprises a box body, wherein a first supporting transverse plate is arranged right above the box body, the top of the box body is provided with an opening, the bottom of the inner side of the box body is fixedly connected with a plurality of sleeves, the inner sides of the sleeves are all slidably sleeved with a first sliding rod, the top end of the first sliding rod extends out of the sleeves and is fixedly connected with the bottom of the first supporting transverse plate, the bottom of the first supporting transverse plate is fixedly connected with a fixed vertical plate, one side of the fixed vertical plate is fixedly connected with a rack, the inner side of the box body is rotatably connected with a connecting shaft which is transversely arranged, a gear is fixedly sleeved on the connecting shaft and meshed with the rack, one end of the connecting shaft penetrates through the box body and is fixedly connected with a rocking handle after extending to the outer side, the other side of the fixed vertical plate is provided with a plurality of grooves at equal intervals from top to bottom, the groove is provided with a second horizontal part and a second inclined part, one side of the inner wall of the box body is fixedly connected with a supporting seat, the top of the supporting seat is connected with a third supporting block in a sliding manner, a second sliding rod penetrates through and is fixedly connected with the third supporting block, the outer side of the second sliding rod is sleeved with a second spring, one end of the second spring is fixedly connected with one side of the third supporting block, the other end of the second spring is fixedly connected with one side of the inner wall of the box body, one end of the second sliding rod penetrates through the box body and extends to the outside and is fixedly connected with a pull handle, the other end of the second sliding rod is fixedly connected with a clamping block, the clamping block is provided with a first horizontal part and a first inclined part, the clamping block is inserted into one of the grooves, the first horizontal part is attached to the second horizontal part, and a supporting circular plate is arranged above the first supporting horizontal plate, and a multi-channel sound body is fixedly arranged at the top of the supporting circular plate.
As a further scheme of the invention: a second supporting transverse plate is arranged between the first supporting transverse plate and the supporting circular plate, a first supporting block and a second supporting block are arranged between the second supporting transverse plate and the first supporting transverse plate, two second supporting blocks are symmetrically arranged, a transverse shaft penetrates through the first supporting block and is rotatably sleeved on the first supporting block, one end of the cross shaft is fixedly connected with a second bevel gear, the other end of the cross shaft penetrates through one of the second supporting blocks and is fixedly connected with a rotating handle, a vertical shaft is rotatably sleeved on the second supporting transverse plate in a penetrating manner, the bottom end of the vertical shaft is rotatably connected with the top of the first supporting transverse plate, the top end of the vertical shaft is fixedly connected with the bottom of the supporting circular plate, a first conical gear is fixedly sleeved on the vertical shaft and positioned below the second supporting transverse plate, the first bevel gear is meshed with the second bevel gear, and the vertical shaft and the supporting circular plate are coaxially arranged.
As a still further scheme of the invention: the bottom of the second supporting block is fixedly connected with the top of the first supporting transverse plate, the top of the second supporting block is fixedly connected with the bottom of the second supporting transverse plate, the bottom of the first supporting block is fixedly connected with the top of the first supporting transverse plate, and the top of the first supporting block is fixedly connected with the bottom of the second supporting transverse plate.
As a still further scheme of the invention: the bottom of the supporting circular plate is provided with a plurality of rolling grooves at equal intervals along the circumferential direction, rolling balls are connected in the plurality of rolling grooves in a rolling mode, and the rolling balls protrude out of the rolling grooves and contact with the top surface of the first supporting transverse plate.
As a still further scheme of the invention: the clamping blocks are matched with the grooves.
As a still further scheme of the invention: the box top is even fixedly connected with a plurality of first spring all around, a plurality of the equal fixedly connected with buffer block in top of first spring, the buffer block sets up in the below of first support diaphragm.
As a still further scheme of the invention: .
Compared with the prior art, the invention has the beneficial effects that:
1. the rocking handle is shaken to drive the connecting shaft to rotate, the gear is driven to rotate through the connecting shaft, the gear drives the rack to move due to the meshing fit of the gear and the rack, when the rack moves upwards, the rack drives the fixed vertical plate to move upwards together, when the rack moves upwards, the second inclined part pushes the first inclined part, so that the second sliding rod drives the third supporting block to slide along the supporting seat, the third supporting block extrudes the second spring to contract the second spring, so that the clamping block moves out of the groove, the clamping block does not position the groove when the fixed vertical plate moves upwards, after the fixed vertical plate moves to a required height, the rocking handle is not shaken, the elastic extension of the second spring pushes the second sliding rod and the third supporting block to enable the clamping block to approach the groove, when the clamping block is inserted into the groove corresponding to the clamping block, the first horizontal part is attached to the second horizontal part, and the clamping block is clamped to the groove, and then make fixed riser keep no longer removing at current height, and then be convenient for adjust multichannel sound body's height as required.
2. The rotating handle is rotated to drive the cross shaft to rotate, and then the second bevel gear is driven to rotate the first bevel gear, the first bevel gear drives the vertical shaft to rotate, and then the supporting circular plate is driven to rotate, so that the multichannel sound box body is driven to rotate, and the direction of the multichannel sound box body can be conveniently adjusted according to use requirements.
3. Through the cooperation setting of buffer block and first spring, cushion the impact force when contacting with the buffer block when first support diaphragm moves down, reduce the risk of the damage that the impact force caused to multichannel sound body
Drawings
Fig. 1 is a schematic structural diagram of a multichannel sound system with an adjustment function.
Fig. 2 is an enlarged view of a portion a of the multichannel audio system having the adjustment function.
Fig. 3 is a bottom view of a supporting circular plate in the multi-channel audio having an adjusting function.
Fig. 4 is a front view of a multi-channel sound having an adjustment function.
Fig. 5 is a partial sectional view of a multi-channel sound system having an adjustment function.
Shown in the figure: the multichannel audio equipment comprises a vertical shaft 1, a first bevel gear 2, a first slide rod 3, a sleeve 4, a box body 5, a first supporting block 6, a first supporting transverse plate 7, a second supporting block 8, a rotating handle 9, a transverse shaft 10, a supporting circular plate 11, a rolling ball 12, a second bevel gear 13, a multichannel audio body 14, a buffer block 15, a first spring 16, a pull handle 17, a second slide rod 18, a second spring 19, a supporting seat 20, a third supporting block 21, a groove 22, a rack 23, a gear 24, a connecting shaft 25, a clamping block 26, a fixed vertical plate 27, a rocking handle 28, a second supporting transverse plate 29, a first horizontal part 30, a first inclined part 31, a second inclined part 32 and a second horizontal part 33.
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.
Referring to fig. 1 to 5, in the embodiment of the present invention, a multichannel sound box with an adjusting function includes a box body 5, a first supporting transverse plate 7 is disposed right above the box body 5, the top of the box body 5 is disposed as an opening, a plurality of sleeves 4 are fixedly connected to the bottom of the inner side of the box body 5, a first slide bar 3 is slidably sleeved on the inner sides of the plurality of sleeves 4, the top end of the first slide bar 3 extends to the outside of the sleeve 4 and then is fixedly connected to the bottom of the first supporting transverse plate 7, a fixed vertical plate 27 is fixedly connected to the bottom of the first supporting transverse plate 7, a rack 23 is fixedly connected to one side of the fixed vertical plate 27, a connecting shaft 25 transversely disposed is rotatably connected to the inner side of the box body 5, a gear 24 is fixedly sleeved on the connecting shaft 25, the gear 24 is engaged with the rack 23, one end of the connecting shaft 25 extends to the outside through the box body 5 and is fixedly connected to a rocking handle 28, a plurality of grooves 22 are formed in the other side of the fixed vertical plate 27 at equal intervals from top to bottom, a second horizontal portion 33 and a second inclined portion 32 are arranged on each groove 22, a supporting seat 20 is fixedly connected to one side of the inner wall of the box body 5, a third supporting block 21 is slidably connected to the top of the supporting seat 20, a second sliding rod 18 is fixedly connected to the third supporting block 21 in a penetrating manner, a second spring 19 is sleeved on the outer side of the second sliding rod 18, one end of the second spring 19 is fixedly connected to one side of the third supporting block 21, the other end of the second spring 19 is fixedly connected to one side of the inner wall of the box body 5, one end of the second sliding rod 18 penetrates through the box body 5 to extend to the outside and then is fixedly connected with a pull handle 17, a clamping block 26 is fixedly connected to the other end of the second sliding rod 18, and a first horizontal portion 30 and a first inclined portion 31 are arranged on the clamping block 26, the clamping blocks 26 are matched with the grooves 22, the clamping blocks 26 are inserted into one of the grooves 22, the first horizontal part 30 is attached to the second horizontal part 33, the supporting circular plate 11 is arranged above the first supporting transverse plate 7, the top of the supporting circular plate 11 is fixedly provided with the multichannel sound body 14, a second supporting transverse plate 29 is arranged between the first supporting transverse plate 7 and the supporting circular plate 11, the first supporting blocks 6 and the second supporting blocks 8 are arranged between the second supporting transverse plate 29 and the first supporting transverse plate 7, the second supporting blocks 8 are symmetrically arranged in two numbers, the bottom of each second supporting block 8 is fixedly connected with the top of the first supporting transverse plate 7, the top of each second supporting block 8 is fixedly connected with the bottom of the corresponding second supporting transverse plate 29, the bottom of each first supporting block 6 is fixedly connected with the top of the corresponding first supporting transverse plate 7, and the top of each first supporting block 6 is fixedly connected with the bottom of the corresponding second supporting transverse plate 29, the supporting device is characterized in that a cross shaft 10 penetrates through and rotates the first supporting block 6, a second bevel gear 13 is fixedly connected to one end of the cross shaft 10, the other end of the cross shaft 10 penetrates through one of the second supporting blocks 8 and then is fixedly connected with a rotating handle 9, a vertical shaft 1 penetrates through and rotates the second supporting plate 29 and then is sleeved with the vertical shaft 1, the bottom end of the vertical shaft 1 is rotatably connected with the top of a first supporting transverse plate 7, the top end of the vertical shaft 1 is fixedly connected with the bottom of the supporting circular plate 11, a plurality of rolling grooves are formed in the bottom of the supporting circular plate 11 along the circumferential direction at equal intervals, rolling balls 12 are uniformly and rotatably connected in the plurality of rolling grooves, the rolling balls 12 protrude out of the rolling grooves and then contact with the top surface of the first supporting transverse plate 7, a first bevel gear 2 is fixedly sleeved on the vertical shaft 1 below the second supporting transverse plate 29, and the first bevel gear 2 is meshed with the second bevel gear 13, vertical axis 1 and support plectane 11 are coaxial setting, the first spring 16 of even fixedly connected with a plurality of around 5 tops of box, a plurality of the equal fixedly connected with buffer block 15 in top of first spring 16, buffer block 15 sets up in the below of first support diaphragm 7.
The working principle of the invention is as follows:
when the lifting device is used, the rocking handle 28 is shaken to drive the connecting shaft 25 to rotate, the connecting shaft 25 drives the gear 24 to rotate, the gear 24 drives the rack 23 to move due to the meshing fit of the gear 24 and the rack 23, when the rack 23 moves upwards, the rack 23 drives the fixed vertical plate 27 to move upwards together, when the rack moves upwards, the second inclined part 32 pushes the first inclined part 31, so that the second sliding rod 18 drives the third supporting block 21 to slide along the supporting seat 20, the third supporting block 21 extrudes the second spring 19 to contract the second spring, so that the clamping block 26 moves out of the groove 22, when the fixed vertical plate 27 moves upwards, the clamping block 26 does not position the groove 22, when the fixed vertical plate 27 moves to a required height, the rocking handle 28 is not shaken any more, the second spring 19 elastically extends to push the second sliding rod 18 and the third supporting block 21 to enable the clamping block 26 to approach the groove 22, when the clamping block 26 is inserted into the groove 22 corresponding to the same, the first horizontal part 30 is attached to the second horizontal part 33, the clamping block 26 is clamped with the groove 22, so that the fixed vertical plate 27 is kept at the current height and does not move any more, so that the height of the multi-channel sound body 14 can be adjusted according to the use requirement, the rotating handle 9 is rotated to drive the transverse shaft 10 to rotate, the second bevel gear 13 is driven to rotate the first bevel gear 2, the first bevel gear 2 drives the vertical shaft 1 to rotate, the supporting circular plate 11 is driven to rotate, the multi-channel sound body 14 is driven to rotate, so that the direction of the multi-channel sound body 14 can be adjusted according to the use requirement, the pull handle 17 is pulled to drive the second slide bar 18 and the third support block 21 to move, the third support block 21 slides along the supporting seat 20, the second spring 19 is extruded, the clamping block 26 is moved out of the groove 22, and the connecting shaft 25 and the gear 24 are driven to rotate by reversely shaking the rocking handle 28, and then drive rack 23 and slowly move down, and then first support diaphragm 7 and support plectane 11 move down for first support diaphragm 7 falls back to buffer block 15 and draws close, and then be convenient for move down multichannel sound body 14, through the cooperation setting of buffer block 15 and first spring 16, the impact force when contacting with buffer block 15 when moving down first support diaphragm 7 cushions, reduces the risk of the damage that the impact force caused multichannel sound body 14.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a multichannel stereo set with regulatory function, includes box (5), its characterized in that: be provided with first support diaphragm (7) directly over box (5), box (5) top sets up for the opening, the inboard bottom fixedly connected with a plurality of sleeve pipe (4) of box (5), a plurality of the inboard of sleeve pipe (4) all slides the cover and is equipped with first slide bar (3), the top of first slide bar (3) is stretched out to outside back and first support diaphragm (7) bottom fixed connection of sleeve pipe (4), first support diaphragm (7) bottom fixedly connected with fixed riser (27), one side fixedly connected with rack (23) of fixed riser (27), the inboard rotation of box (5) is connected with connecting axle (25) of horizontal setting, the fixed cover is equipped with gear (24) on connecting axle (25), gear (24) and rack (23) mesh mutually, the one end of connecting axle (25) runs through box (5) and extends outside back fixedly connected with rocking handle (28), a plurality of grooves (22) are formed in the other side of the fixed vertical plate (27) at equal intervals from top to bottom, a second horizontal part (33) and a second inclined part (32) are arranged on each groove (22), a supporting seat (20) is fixedly connected to one side of the inner wall of the box body (5), a third supporting block (21) is connected to the top of the supporting seat (20) in a sliding manner, a second sliding rod (18) is fixedly connected to the third supporting block (21) in a penetrating manner, a second spring (19) is sleeved on the outer side of the second sliding rod (18), one end of the second spring (19) is fixedly connected to one side of the third supporting block (21), the other end of the second spring (19) is fixedly connected to one side of the inner wall of the box body (5), one end of the second sliding rod (18) is fixedly connected to a pull handle (17) after extending to the outside through the box body (5), and the other end of the second sliding rod (18) is fixedly connected to a clamping block (26), be provided with first horizontal part (30) and first slope (31) on joint piece (26), joint piece (26) insert to one of them in recess (22), first horizontal part (30) laminate mutually with second horizontal part (33), the top of first support diaphragm (7) is provided with supports plectane (11), support plectane (11) top fixed mounting has multichannel sound body (14).
2. The multichannel sound with adjustment function according to claim 1, characterized in that: a second supporting transverse plate (29) is arranged between the first supporting transverse plate (7) and the supporting circular plate (11), a first supporting block (6) and a second supporting block (8) are arranged between the second supporting transverse plate (29) and the first supporting transverse plate (7), two second supporting blocks (8) are symmetrically arranged, a transverse shaft (10) penetrates through and rotates on the first supporting block (6) in a sleeved mode, one end of the transverse shaft (10) is fixedly connected with a second bevel gear (13), the other end of the transverse shaft (10) penetrates through one of the second supporting blocks (8) and then is fixedly connected with a rotating handle (9), a vertical shaft (1) penetrates through and rotates on the second supporting transverse plate (29) in a sleeved mode, the bottom end of the vertical shaft (1) is rotatably connected with the top of the first supporting transverse plate (7), and the top end of the vertical shaft (1) is fixedly connected with the bottom of the supporting circular plate (11), the fixed cover in below that lies in second support diaphragm (29) on vertical axis (1) is equipped with first conical gear (2), first conical gear (2) mesh with second conical gear (13) mutually, vertical axis (1) and support plectane (11) are coaxial setting.
3. The multichannel sound with adjustment function according to claim 2, characterized in that: the bottom of the second supporting block (8) is fixedly connected with the top of the first supporting transverse plate (7), the top of the second supporting block (8) is fixedly connected with the bottom of the second supporting transverse plate (29), the bottom of the first supporting block (6) is fixedly connected with the top of the first supporting transverse plate (7), and the top of the first supporting block (6) is fixedly connected with the bottom of the second supporting transverse plate (29).
4. The multichannel sound with adjustment function according to claim 1, characterized in that: a plurality of rolling grooves are formed in the bottom of the supporting circular plate (11) at equal intervals along the circumferential direction of the supporting circular plate, rolling balls (12) are connected in the plurality of rolling grooves in a rolling mode, and the rolling balls (12) protrude out of the rolling grooves and are in contact with the top surface of the first supporting transverse plate (7).
5. The multichannel sound with adjustment function according to claim 1, characterized in that: the clamping block (26) is matched with the groove (22).
6. The multichannel sound with adjustment function according to claim 1, characterized in that: the box (5) top is even fixedly connected with a plurality of first spring (16), a plurality of all around the equal fixedly connected with buffer block (15) in top of first spring (16), buffer block (15) set up in the below of first support diaphragm (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110817900.5A CN113556635A (en) | 2021-07-20 | 2021-07-20 | Multichannel sound with adjusting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110817900.5A CN113556635A (en) | 2021-07-20 | 2021-07-20 | Multichannel sound with adjusting function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113556635A true CN113556635A (en) | 2021-10-26 |
Family
ID=78132202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110817900.5A Pending CN113556635A (en) | 2021-07-20 | 2021-07-20 | Multichannel sound with adjusting function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113556635A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208015980U (en) * | 2018-04-28 | 2018-10-26 | 丘雨 | A kind of sound equipment rack of adjustable-angle |
| CN210725189U (en) * | 2019-09-23 | 2020-06-09 | 刘开雨 | Stage stereo set hoisting device |
| CN212012966U (en) * | 2020-03-10 | 2020-11-24 | 赵航东 | Sound box with touch protection device |
| CN112637716A (en) * | 2021-01-10 | 2021-04-09 | 丁香 | Sound equipment is used in square dance that can accomodate |
| CN112911433A (en) * | 2021-01-28 | 2021-06-04 | 深圳市优斯比科技有限公司 | Outdoor sound box based on new energy |
| CN112890495A (en) * | 2020-12-31 | 2021-06-04 | 湖北树仁教学设备有限公司 | Student chair for classroom learning |
-
2021
- 2021-07-20 CN CN202110817900.5A patent/CN113556635A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208015980U (en) * | 2018-04-28 | 2018-10-26 | 丘雨 | A kind of sound equipment rack of adjustable-angle |
| CN210725189U (en) * | 2019-09-23 | 2020-06-09 | 刘开雨 | Stage stereo set hoisting device |
| CN212012966U (en) * | 2020-03-10 | 2020-11-24 | 赵航东 | Sound box with touch protection device |
| CN112890495A (en) * | 2020-12-31 | 2021-06-04 | 湖北树仁教学设备有限公司 | Student chair for classroom learning |
| CN112637716A (en) * | 2021-01-10 | 2021-04-09 | 丁香 | Sound equipment is used in square dance that can accomodate |
| CN112911433A (en) * | 2021-01-28 | 2021-06-04 | 深圳市优斯比科技有限公司 | Outdoor sound box based on new energy |
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