CN111379947A - Multimedia audio-visual installation auxiliary device - Google Patents
Multimedia audio-visual installation auxiliary device Download PDFInfo
- Publication number
- CN111379947A CN111379947A CN202010196699.9A CN202010196699A CN111379947A CN 111379947 A CN111379947 A CN 111379947A CN 202010196699 A CN202010196699 A CN 202010196699A CN 111379947 A CN111379947 A CN 111379947A
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- fixed
- shaft
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- piston
- lifting
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- 238000009434 installation Methods 0.000 title claims abstract description 30
- 230000005540 biological transmission Effects 0.000 claims abstract description 41
- 238000007789 sealing Methods 0.000 claims description 12
- 230000003028 elevating effect Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
- F16M11/26—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by telescoping, with or without folding
- F16M11/32—Undercarriages for supports with three or more telescoping legs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/42—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters with arrangement for propelling the support stands on wheels
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a multimedia audio-visual installation auxiliary device, which comprises a mobile station and an angle adjusting device, wherein a lifting device is fixed in the middle of the mobile station, the output end of the lifting device is fixed with the angle adjusting device, the output end of the angle adjusting device is fixed with a multimedia device, the angle adjusting device comprises a base and a double-head motor, the base is fixed at the output end of the lifting device, the double-head motor is fixed on the base, the output ends of two sides of the double-head motor respectively extend into a first transmission case and a second transmission case to be connected in a transmission manner, and the output ends of the first transmission case and the second transmission case are respectively connected with a transmission component through a shaft; the transmission assembly comprises a second shaft, a differential adjuster and a first lifting assembly, and the first shaft is rotated, so that the end part of the output end of the first lifting assembly is higher or lower than the end part of the output end of the second lifting assembly, and the included angle between the mounting table and the horizontal plane is changed.
Description
Technical Field
The invention particularly relates to the technical field of multimedia auxiliary devices, and particularly relates to a multimedia audio-visual installation auxiliary device.
Background
With the development and unification of computer technology and network technology, the multimedia is a trend of modern multimedia development, so-called multimedia refers to an information comprehensive expression form formed by fusing various media, including the fusion of characters, sounds and images, therefore, a mature multimedia audio-visual device can be formed by matching a computer with a projector, the multimedia audio-visual device can be installed by an auxiliary device, the auxiliary device comprises a bracket, an adjusting bracket and the like, so that the adjustment of the putting angle of the multimedia audio-visual device is facilitated, in particular, the adjustment of the putting angle of the projector is facilitated, the existing multimedia audio-visual installation auxiliary device is a bracket with a simpler structure, although the manufacturing cost is lower, the existing multimedia audio-visual installation auxiliary device cannot rapidly and automatically adjust the putting angle of the multimedia audio-visual device, cannot comply with the development of the market.
Accordingly, those skilled in the art have provided a multimedia audiovisual installation assistance device to solve the problems set forth in the background above.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: a multimedia audio-visual installation auxiliary device comprises a mobile station and an angle adjusting device, wherein a lifting device is fixed at the middle part of the mobile station, an angle adjusting device is fixed at the output end of the lifting device, and a multimedia device is fixed at the output end of the angle adjusting device,
the angle adjusting device comprises a base and a double-head motor, wherein the base is fixed at the output end of the lifting device, the double-head motor is fixed on the base, the output ends of two sides of the double-head motor respectively extend into the first transmission box and the second transmission box to be connected in a transmission manner, and the output ends of the first transmission box and the second transmission box are respectively connected with a transmission assembly through a shaft;
the transmission assembly comprises a second shaft, a differential adjuster and a first lifting assembly, the second shaft penetrates through the first lifting assembly to be fixedly connected with the first shaft, the second shaft is rotated to drive the output end of the first lifting assembly to move up and down, the second shaft is also connected with a third shaft by the differential adjuster, the third shaft penetrates through the second lifting assembly and rotates to drive the output end of the second lifting assembly to move up and down;
the output ends of the first lifting assembly and the second lifting assembly are respectively fixed with a miniature electric telescopic rod, the output ends of the four miniature electric telescopic rods are respectively hinged with four corners of an installation table, and the multimedia device is fixed on the installation table;
and the second shaft is rotated, the third shaft can be rotated in a mode of slowing by an angle through the differential adjuster, so that the end part of the output end of the first lifting assembly is higher or lower than the end part of the output end of the second lifting assembly, and the included angle between the mounting table and the horizontal plane is changed.
Further, preferably, the first lifting assembly and the second lifting assembly have the same structure, the first lifting assembly comprises a bottom plate and a fixed seat, the fixed seat is fixed on the bottom plate, the bottom plate is fixed on the base, a first cavity and a second cavity are formed between the fixed seat and the bottom plate 31, the second cavity is vertically arranged, the first cavity is arranged along the horizontal direction, and the first cavity is communicated with the second cavity;
a second shaft penetrates through the fixed seat in the transverse direction, the second shaft is rotatably arranged on the fixed seat by adopting a sealing bearing, threads are distributed on the outer circumference of the second shaft positioned in the first cavity and are used for being in transmission connection with a nut, a first piston is coaxially fixed on the outer circumference of the nut, and the first piston is in sliding connection with the first cavity;
and a second piston is further connected to the second cavity in a sliding manner, a lifting rod is fixed to one end, far away from the fixed seat, of the second piston, the lifting rod slides to extend out of the second cavity, and a miniature electric telescopic rod is fixed to the extending end of the lifting rod.
Further, as preferred, the sealing bearing on the right side is a thin-wall sealing bearing, an outer circumference of the thin-wall sealing bearing is fixedly sleeved with a telescopic pipe, an outer circumference of one end, close to the thin-wall bearing, of the telescopic pipe is fixed in the fixing seat, the other end of the telescopic pipe is fixedly connected with the piston I, and the telescopic pipe can stretch out and draw back along the axial direction.
Further, preferably, the second piston is slidably disposed in the second cavity higher than the first cavity.
Preferably, the first cavity, the second cavity, the first piston, the second piston and the second shaft are sized such that the first piston and the second piston move simultaneously by the same length.
Further, as preferred, still include guide bar and gag lever post, the guide bar is fixed continuous with the gag lever post, and equal level fixes in the fixing base, wherein the guide bar slides and passes piston one and fixed continuous with the lateral wall of cavity one, the gag lever post is fixed on the lateral wall of cavity two.
Further, preferably, the limiting rod is fixed at the junction of the first cavity and the second cavity.
Further, as a preferred option, the differential regulator comprises an outer ring, an inner ring, driven strips and driving strips, wherein the inner ring is fixedly connected with the second shaft, the outer ring is fixedly connected with the third shaft, a blind hole is formed in the middle of the outer ring and used for inserting the inner ring, the two driving strips are symmetrically fixed on the outer circumference of the inner ring, and the two driven strips are symmetrically arranged on the inner circumference of the outer ring.
Further, as preferred, driven strip and drive strip are intercrossing and arrange, and in the initial stage, the contained angle between adjacent driven strip and the drive strip is 90.
Preferably, the first transmission box and the second transmission box both comprise driven bevel gears and driving bevel gears, the two driving bevel gears are respectively arranged at two output ends of the double-head motor in the same direction, the driving bevel gears are meshed with the driven bevel gears, and the driven bevel gears are fixedly sleeved on the first shaft.
Compared with the prior art, the invention has the beneficial effects that: this device adopts four elevating assembly of a double-end motor control to carry out lifting adjusting in step, and make axle three rotate with the mode of an angle slowly through the difference journey regulator, thereby make the tip of the output of elevating assembly one be higher than or be less than the tip of the output of elevating assembly two, thereby the contained angle of quick adjustment mount table and horizontal plane, every elevating assembly's output all is provided with a miniature electric telescopic handle in addition, be used for further fine setting, make throwing in angle that multimedia equipment can be quick accurate adjustment, in addition, in elevating assembly, come reciprocating of drive piston two with the rotation of axle two, whole driven stability is high.
Drawings
FIG. 1 is a schematic perspective view of a multimedia audiovisual installation aid;
FIG. 2 is a schematic top view of an angle adjustment device in a multimedia audiovisual installation aid;
FIG. 3 is a schematic diagram of a first transmission case and a second transmission case of the multimedia audiovisual installation auxiliary device;
FIG. 4 is a schematic front view of an angle adjusting device in the multimedia audiovisual installation auxiliary device;
FIG. 5 is a schematic view showing a construction of a differential adjuster in the multimedia audiovisual installation auxiliary device;
FIG. 6 is a schematic diagram of a lifting assembly of the multimedia audiovisual installation aid;
in the figure: 1. a mobile station; 2. a lifting device; 3. an angle adjusting device; 4. a multimedia device; 5. a controller; 6. a base; 7. a double-headed motor; 8. a first transmission case; 9. a second transmission case; 10. a driven bevel gear; 11. a drive bevel gear; 12. a first shaft; 13. a second shaft; 14. a differential adjuster; 15. a third shaft; 16. a lifting assembly; 17. an installation table; 18. an outer ring; 19. an inner ring; 20. a driven bar; 21. a drive bar; 22. a thin-walled sealed bearing; 23. a telescopic pipe; 24; a first piston; 25. a first cavity; 26. a guide bar; 27. a limiting rod; 28. a second piston; 29. a second cavity; 30. a lifting rod; 31. a base plate; 32. a fixed seat.
Detailed Description
Referring to fig. 1 to 6, in an embodiment of the present invention, an auxiliary device for multimedia audiovisual installation includes a mobile station 1 and an angle adjustment device 3, a lifting device 2 is fixed at a middle portion of the mobile station 1, the angle adjustment device 3 is fixed at an output end of the lifting device 2, a multimedia device 4 is fixed at an output end of the angle adjustment device 3,
the angle adjusting device 3 comprises a base 6 and a double-end motor 7, wherein the base 6 is fixed at the output end of the lifting device 2, the double-end motor 7 is fixed on the base 6, the output ends of two sides of the double-end motor 7 respectively extend into a first transmission box 8 and a second transmission box 9 to be connected in a transmission mode, and the output ends of the first transmission box 8 and the second transmission box 9 are respectively connected with a transmission assembly through a first shaft 12;
the transmission assembly comprises a second shaft 13, a difference distance regulator 14 and a first lifting assembly 16, the second shaft 13 penetrates through the first lifting assembly 16 to be fixedly connected with the first shaft 12, the second shaft 13 is rotated to drive the output end of the first lifting assembly 16 to move up and down, the second shaft 13 is also connected with a third shaft 15 through the difference distance regulator 14, the third shaft 15 penetrates through the second lifting assembly, and the third shaft 15 is rotated to drive the output end of the second lifting assembly to move up and down;
the output ends of the first lifting component and the second lifting component are both fixed with miniature electric telescopic rods, the output ends of the four miniature electric telescopic rods are respectively hinged with four corners of a mounting table 17, and the multimedia device 4 is fixed on the mounting table 17;
by rotating the second shaft 13, the third shaft 15 can be rotated by an angle slowly through the differential adjuster 14, so that the end of the output end of the first lifting assembly is higher or lower than the end of the output end of the second lifting assembly, and the included angle between the mounting table 17 and the horizontal plane can be changed.
As shown in fig. 3 and 6, the first lifting assembly 16 and the second lifting assembly have the same structure, the first lifting assembly 16 includes a bottom plate 31 and a fixing seat 32, the fixing seat 32 is fixed on the bottom plate 31, the bottom plate 31 is fixed on the base 6, a first cavity 25 and a second cavity 29 are formed between the fixing seat 32 and the bottom plate 31, the second cavity 29 is vertically arranged, the first cavity 25 is arranged along the horizontal direction, and the first cavity 25 is communicated with the second cavity 29;
a second shaft 13 penetrates through the fixed seat 32 in the transverse direction, the second shaft 13 is rotatably arranged on the fixed seat 32 by adopting a sealed bearing, threads are distributed on the outer circumference of the second shaft 13 positioned in the first cavity 25 and are used for being in transmission connection with a nut, a first piston 24 is coaxially fixed on the outer circumference of the nut, and the first piston 24 is in sliding connection with the first cavity 25;
still sliding connection has piston two 28 in the cavity two 29, the one end that the fixing base was kept away from to piston two 28 is fixed with lifter 30, lifter 30 slides and stretches out cavity two 29, just the end that stretches out of lifter 30 is fixed with miniature electric telescopic handle, is full of hydraulic oil in the space that cavity one, cavity two, piston one and piston two constitute jointly, and drive shaft two 13 rotates for piston one moves left or right, and the removal of piston one can drive piston two and remove, thereby drives lifter 30 and reciprocates.
In order to improve the sealing performance of the first cavity, the sealing bearing on the right side is a thin-wall sealing bearing 22, an expansion pipe 23 is fixedly sleeved on the outer circumference of the thin-wall sealing bearing 22, the outer circumference of one end, close to the thin-wall bearing 22, of the expansion pipe 23 is fixed in a fixed seat 32, the other end of the expansion pipe 23 is fixedly connected with a piston I24, and the expansion pipe 23 can expand and contract along the axial direction.
In this embodiment, the second piston 28 is slidably disposed in the second cavity 29 higher than the first cavity, and it should be noted that, in the initial stage, the first piston is located at the middle position of the guide rod 26.
In this embodiment, the specifications of the first cavity, the second cavity, the first piston, the second piston and the second shaft 13 are set so that the first piston and the second piston move simultaneously for the same length.
The piston 24 is guided by the guide rod 26 and the limiting rod 27, the guide rod 26 is fixedly connected with the limiting rod 27 and is horizontally fixed in the fixing seat 32, the guide rod 26 slides through the piston one 24 and is fixedly connected with the side wall of the cavity one 25, and the limiting rod 27 is fixed on the side wall of the cavity two.
In this embodiment, the limiting rod 27 is fixed at the junction of the first cavity and the second cavity, and thus the limiting rod 27 can limit the first piston and can also limit the second piston.
In this embodiment, the differential regulator 14 includes an outer ring 18, an inner ring 19, driven strips 20 and driving strips 21, where the inner ring 19 is fixedly connected to the second shaft 13, the outer ring 18 is fixedly connected to the third shaft 15, a blind hole is formed in the middle of the outer ring for inserting the inner ring 19, two driving strips 21 are symmetrically fixed on the outer circumference of the inner ring 19, and two driven strips 20 are symmetrically fixed on the inner circumference of the outer ring 18.
In this embodiment, driven strip and drive strip are intercrossing and arrange, and during the initial stage, the contained angle between adjacent driven strip and the drive strip is 90, that is to say, just can order about three 15 of axle to rotate after two 13 rotations 90 degrees on the axle to make the tip of the output of lifting unit one be higher than or be less than the tip of the output of lifting unit two, so that change the contained angle of mount table 17 and horizontal plane.
In this embodiment, each of the first transmission case 8 and the second transmission case 9 includes a driven bevel gear 10 and a driving bevel gear 11, the two driving bevel gears 11 are respectively arranged at two output ends of the double-headed motor 7 in the same direction, the driving bevel gears 11 are engaged with the driven bevel gears, and the driven bevel gears are fixedly sleeved on the first shaft 12.
This device adopts four elevating assembly of a double-end motor control to carry out lifting adjustment in step, and make axle three rotate with the mode of an angle slowly through the difference journey regulator, thereby make the tip of the output of elevating assembly one be higher than or be less than the tip of the output of elevating assembly two, thereby the contained angle of quick adjustment mount table 17 and horizontal plane, every elevating assembly's output all is provided with a miniature electric telescopic handle in addition, be used for further fine setting, make throwing in angle that multimedia equipment can be quick accurate adjustment, in addition, in elevating assembly, come reciprocating of drive piston two with the rotation of axle two, whole driven stability is high.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.
Claims (10)
1. A multimedia audio-visual installation auxiliary device comprises a mobile station and an angle adjusting device, wherein a lifting device is fixed at the middle part of the mobile station, an angle adjusting device is fixed at the output end of the lifting device, and a multimedia device is fixed at the output end of the angle adjusting device,
the angle adjusting device comprises a base and a double-head motor, wherein the base is fixed at the output end of the lifting device, the double-head motor is fixed on the base, the output ends of two sides of the double-head motor respectively extend into the first transmission box and the second transmission box to be connected in a transmission manner, and the output ends of the first transmission box and the second transmission box are respectively connected with a transmission assembly through a shaft;
the transmission assembly comprises a second shaft, a differential adjuster and a first lifting assembly, the second shaft penetrates through the first lifting assembly to be fixedly connected with the first shaft, the second shaft is rotated to drive the output end of the first lifting assembly to move up and down, the second shaft is also connected with a third shaft by the differential adjuster, the third shaft penetrates through the second lifting assembly and rotates to drive the output end of the second lifting assembly to move up and down;
the output ends of the first lifting assembly and the second lifting assembly are respectively fixed with a miniature electric telescopic rod, the output ends of the four miniature electric telescopic rods are respectively hinged with four corners of an installation table, and the multimedia device is fixed on the installation table;
and the second shaft is rotated, the third shaft can be rotated in a mode of slowing by an angle through the differential adjuster, so that the end part of the output end of the first lifting assembly is higher or lower than the end part of the output end of the second lifting assembly, and the included angle between the mounting table and the horizontal plane is changed.
2. The auxiliary device for multimedia audiovisual installation according to claim 1, characterized in that the first lifting assembly and the second lifting assembly have the same structure, the first lifting assembly comprises a bottom plate and a fixed seat, the fixed seat is fixed on the bottom plate, the bottom plate is fixed on a base, a first cavity and a second cavity are formed between the fixed seat and the bottom plate 31, the second cavity is vertically arranged, the first cavity is arranged along the horizontal direction, and the first cavity is communicated with the second cavity;
a second shaft penetrates through the fixed seat in the transverse direction, the second shaft is rotatably arranged on the fixed seat by adopting a sealing bearing, threads are distributed on the outer circumference of the second shaft positioned in the first cavity and are used for being in transmission connection with a nut, a first piston is coaxially fixed on the outer circumference of the nut, and the first piston is in sliding connection with the first cavity;
and a second piston is further connected to the second cavity in a sliding manner, a lifting rod is fixed to one end, far away from the fixed seat, of the second piston, the lifting rod slides to extend out of the second cavity, and a miniature electric telescopic rod is fixed to the extending end of the lifting rod.
3. A multimedia audiovisual installation auxiliary device according to claim 2, characterized in that the sealing bearing on the right side is a thin-walled sealing bearing, the outer circumference of the thin-walled sealing bearing is fixedly sleeved with a telescopic tube, the outer circumference of the telescopic tube near one end of the thin-walled bearing is fixed in the fixed seat, the other end of the telescopic tube is fixedly connected with a piston, and the telescopic tube can be extended and retracted along the axial direction.
4. A multimedia audiovisual installation aid according to claim 2, wherein the second piston is slidably disposed in the second chamber higher than the first chamber.
5. A multimedia audiovisual installation aid according to claim 2, wherein the first chamber, the second chamber, the first piston, the second piston and the second shaft are dimensioned such that the first piston and the second piston move simultaneously for the same length.
6. The multimedia audiovisual installation auxiliary device as claimed in claim 2, further comprising a guide rod and a limiting rod, wherein the guide rod is fixedly connected with the limiting rod and horizontally fixed in the fixing seat, the guide rod slides through the first piston and is fixedly connected with the side wall of the first cavity, and the limiting rod is fixed on the side wall of the second cavity.
7. A multimedia audiovisual installation auxiliary device according to claim 6, characterized in that the stop lever is fixed at the junction of the first cavity and the second cavity.
8. A multimedia audiovisual installation auxiliary device according to claim 1, characterized in that the differential adjuster comprises an outer ring, an inner ring, driven strips and driving strips, wherein the inner ring is fixedly connected with a second shaft, the outer ring is fixedly connected with a third shaft, a blind hole is formed in the middle of the outer ring for inserting the inner ring, two driving strips are symmetrically fixed on the outer circumference of the inner ring, and two driven strips are symmetrically fixed on the inner circumference of the outer ring.
9. A multimedia audiovisual installation aid according to claim 8, wherein the driven bars and the driving bars are arranged in a mutually intersecting manner, and in an initial stage, an angle between adjacent driven bars and driving bars is 90 °.
10. The multimedia audiovisual installation auxiliary device as claimed in claim 1, wherein each of the first transmission case and the second transmission case comprises a driven bevel gear and a driving bevel gear, the two driving bevel gears are respectively arranged at two output ends of the double-headed motor in the same direction, the driving bevel gear is engaged with the driven bevel gear, and the driven bevel gear is fixedly sleeved on the first shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010196699.9A CN111379947B (en) | 2020-03-19 | 2020-03-19 | Multimedia audio-visual installation auxiliary device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010196699.9A CN111379947B (en) | 2020-03-19 | 2020-03-19 | Multimedia audio-visual installation auxiliary device |
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| CN111379947A true CN111379947A (en) | 2020-07-07 |
| CN111379947B CN111379947B (en) | 2021-07-09 |
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| CN202010196699.9A Active CN111379947B (en) | 2020-03-19 | 2020-03-19 | Multimedia audio-visual installation auxiliary device |
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| CN110608349A (en) * | 2019-09-24 | 2019-12-24 | 贵州民族大学 | Camera position adjusting device |
| CN210004054U (en) * | 2019-05-13 | 2020-01-31 | 深圳市富利臻环保科技有限公司 | environmental monitoring equipment based on new forms of energy |
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| KR100558440B1 (en) * | 2003-10-02 | 2006-03-10 | 삼성전기주식회사 | An apparatus for controlling a screen position of a display set of touch type |
| US9039016B2 (en) * | 2012-02-08 | 2015-05-26 | Humanscale Corporation | Accessory cart |
| CN108224034A (en) * | 2018-04-10 | 2018-06-29 | 芜湖博锦模型设计制造有限公司 | A kind of projection arrangement of Visual Communication Design |
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| Publication number | Publication date |
|---|---|
| CN111379947B (en) | 2021-07-09 |
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