CN112991998A - Exhibition frame device that can remove dust automatically - Google Patents
Exhibition frame device that can remove dust automatically Download PDFInfo
- Publication number
- CN112991998A CN112991998A CN202110193235.7A CN202110193235A CN112991998A CN 112991998 A CN112991998 A CN 112991998A CN 202110193235 A CN202110193235 A CN 202110193235A CN 112991998 A CN112991998 A CN 112991998A
- Authority
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- China
- Prior art keywords
- fixedly connected
- box
- base
- telescopic link
- wall
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- Pending
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- 239000000428 dust Substances 0.000 title claims abstract description 34
- 238000004146 energy storage Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000009471 action Effects 0.000 abstract description 5
- 230000003993 interaction Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F15/00—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like
- G09F15/0006—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like planar structures comprising one or more panels
- G09F15/0012—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like planar structures comprising one or more panels frames therefor
-
- 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
- B08B1/12—Brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F15/00—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like
- G09F15/0006—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like planar structures comprising one or more panels
- G09F15/0018—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like planar structures comprising one or more panels panel clamping or fastening means
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F15/00—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like
- G09F15/0006—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like planar structures comprising one or more panels
- G09F15/0037—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like planar structures comprising one or more panels supported by a post
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Freezers Or Refrigerated Showcases (AREA)
Abstract
The invention belongs to the technical field of display stands, and particularly relates to a display stand device capable of automatically removing dust, which comprises a base and a box body, wherein the inner wall of the box body is fixedly connected with a motor box; according to the dust removal device, the first positive and negative motor is arranged, when people need to remove dust on the surface of the display board, people only need to control the first positive and negative motor to operate through the control switch, so that the first threaded column can be driven to rotate, the first connecting rod can be driven to move under the interaction of the first threaded column and the threaded cap, the first movable rod can be driven to move, the hairbrush can be driven to remove dust on the surface of the display board, and under the action of the first positive and negative motor, people can remove dust on the display board more quickly, so that the working efficiency of people is improved.
Description
Technical Field
The invention belongs to the technical field of display stands, and particularly relates to a display stand device capable of automatically removing dust.
Background
The display rack used in the exhibition is used for supporting the propaganda picture so as to facilitate people to obtain information on the propaganda picture. In the display process, because personnel flow greatly, a lot of dust is easily accumulated on the display board, and the existing display board does not have the self-cleaning function, so the display effect is greatly influenced. Due to the fact that the display rack is simple and convenient in self weight and structure, dust cannot be removed completely easily during dust removal, and the dust removal process is not easy to control, so that the dust removal process is complicated.
Disclosure of Invention
To solve the problems set forth in the background art described above. The invention provides a display rack device capable of automatically removing dust, which has the characteristic of good dust removal effect.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a but exhibition frame device of automatic dust removal, includes base and box, box inner wall fixedly connected with motor case, the first positive and negative motor of motor incasement wall fixedly connected with, the first screw thread post of output shaft fixedly connected with of first positive and negative motor, the first pivot of first screw thread post other end fixedly connected with, the first bearing of motor incasement wall fixedly connected with, the first pivot other end is worn to establish in first bearing, first screw thread post surface thread connection has the screw cap, first spacing hole has been seted up on motor case surface, screw cap surface fixedly connected with head rod, head rod surface fixedly connected with first movable rod, first movable rod surface fixedly connected with brush.
Preferably, the inner wall of the box body is fixedly connected with a sliding box, the inner wall of the sliding box is fixedly connected with a sliding rod, the surface of the sliding rod is connected with a sliding sleeve in a sliding manner, the surface of the sliding sleeve is fixedly connected with a second connecting rod, the surface of the sliding box is provided with a second limiting hole, and the other end of the second connecting rod is fixedly connected with one end of a first movable rod.
Preferably, first spout has been seted up on the box surface, sliding connection has first slider in the first spout, first slider other end fixedly connected with fly leaf, first recess has been seted up on the fly leaf surface, the first telescopic link of first recess inner wall fixedly connected with, first spring has been cup jointed on first telescopic link surface, the limiting plate of first telescopic link other end fixedly connected with, the first in command of limiting plate surface fixedly connected with.
Preferably, the first fixture block of limiting plate fixed surface is connected with, first draw-in groove has been seted up on the box surface, first fixture block and first draw-in groove looks joint, first draw-in groove is total a plurality ofly, and sets gradually on the box surface, movable plate fixed surface is connected with the second telescopic link, the second spring has been cup jointed on second telescopic link surface.
Preferably, second telescopic link other end fixedly connected with second movable rod, second movable rod one end fixedly connected with second handle, second movable rod other end fixedly connected with stopper, first spout is total a plurality ofly, and is the rectangle and sets up on the box surface.
Preferably, the base surface has been seted up the second recess, second recess inner wall fixedly connected with second positive and negative motor, the output shaft fixedly connected with second screw post of the positive and negative motor of second, second screw post surface threaded connection has the screwed pipe, screwed pipe other end fixed connection is on the box surface, base surface fixed connection has the third telescopic link, third telescopic link other end fixed connection is on the box surface, the third telescopic link is total two, and the symmetric connection is on the base surface.
Preferably, an energy storage bin is arranged in the base, a storage battery is fixedly connected to the inner wall of the energy storage bin, a third groove is formed in the surface of the base, an electric push rod is fixedly connected to the inner wall of the third groove, the other end of the electric push rod is fixedly connected with a universal wheel, and the third grooves are formed in a plurality of shapes and are formed in the lower surface of the base in a rectangular shape.
Preferably, the base lower surface is fixedly connected with the supporting legs, the supporting legs are a plurality of in total and are connected to the base lower surface in a rectangular mode, and the base surface is fixedly connected with the control switch.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the dust removal device, the first positive and negative motor is arranged, when people need to remove dust on the surface of the display board, people only need to control the first positive and negative motor to operate through the control switch, so that the first threaded column can be driven to rotate, the first connecting rod can be driven to move under the interaction of the first threaded column and the threaded cap, the first movable rod can be driven to move, the hairbrush can be driven to remove dust on the surface of the display board, and under the action of the first positive and negative motor, people can remove dust on the display board more quickly, so that the working efficiency of people is improved.
2. According to the invention, through the arrangement of the movable plate, when people need to limit the propaganda picture, people firstly pull the first handle, so that the limiting plate can be driven to move, the first clamping block can be driven to be separated from the first clamping groove, then people can move the second handle to move, further the second movable rod can be driven to move, further the limiting block can be driven to move, then people place the propaganda picture on the surface of the box body, then people loosen the second handle, further the second movable rod can be driven to move, meanwhile, the limiting block limits the propaganda picture, and under the action of the movable plate, people can limit the propaganda picture more quickly, and further the working efficiency of people is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of a front view cross section of the present invention;
FIG. 2 is a schematic partial side view of the present invention;
FIG. 3 is an enlarged schematic view of FIG. 2 at A in accordance with the present invention;
FIG. 4 is a schematic view of a partial top view of the present invention;
FIG. 5 is a front view of the present invention;
FIG. 6 is a partial perspective view of the present invention;
in the figure: 1. a base; 2. a box body; 3. a motor case; 4. a first positive and negative motor; 5. a first threaded post; 6. a first rotating shaft; 7. a first bearing; 8. a threaded cap; 9. a first limit hole; 10. a first connecting rod; 11. a first movable bar; 12. a brush; 13. a slide box; 14. a slide bar; 15. a sliding sleeve; 16. a second limiting hole; 17. a second connecting rod; 18. a first chute; 19. a first slider; 20. a movable plate; 21. a first groove; 22. a first telescopic rod; 23. a first spring; 24. a limiting plate; 25. a first handle; 26. a first clamping block; 27. a first card slot; 28. a second telescopic rod; 29. a second spring; 30. a first movable bar; 31. a second handle; 32. a limiting block; 33. a second groove; 34. a second positive and negative motor; 35. a second threaded post; 36. a threaded pipe; 37. an energy storage bin; 38. a storage battery; 39. supporting legs; 40. a third groove; 41. an electric push rod; 42. a universal wheel; 43. a third telescopic rod; 44. and controlling the switch.
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.
Example 1
Referring to fig. 1-6, the present invention provides the following technical solutions: a display rack device capable of automatically removing dust comprises a base 1 and a box body 2, wherein the inner wall of the box body 2 is fixedly connected with a motor box 3, the inner wall of the motor box 3 is fixedly connected with a first positive and negative motor 4, through the arrangement of the first positive and negative motor 4, when people need to remove dust on the surface of a display board, people only need to control the operation of the first positive and negative motor 4 through a control switch 44 so as to drive a first threaded post 5 to rotate, under the interaction of the first threaded post 5 and a threaded cap 8, a first connecting rod 10 can be driven to move, meanwhile, a first movable rod 11 can be driven to move, further, a brush 12 can be driven to remove dust on the surface of the display board, under the action of the first positive and negative motor 4, people can remove dust on the display board more quickly, further, the working efficiency of people is improved, an output shaft of the first positive and negative motor 4 is fixedly connected with the first threaded post 5, 5 other end fixedly connected with first pivot 6 of first screw thread post, the first bearing 7 of 3 inner wall fixedly connected with of motor case, the first pivot 6 other end is worn to establish in first bearing 7, 5 surperficial threaded connection of first screw thread post have screw cap 8, first spacing hole 9 has been seted up on 3 surfaces of motor case, screw cap 8 fixed surface is connected with head rod 10, head rod 10 fixed surface is connected with first movable rod 11, 11 fixed surface of first movable rod are connected with brush 12.
Specifically, 2 inner walls of box body fixedly connected with slip case 13, 13 inner walls of slip case fixedly connected with slide bar 14, slide bar 14 sliding surface is connected with sliding sleeve 15, sliding sleeve 15 fixed surface is connected with second connecting rod 17, the spacing hole 16 of second has been seted up on slip case 13 surface, second connecting rod 17 other end fixed connection is in first movable rod 11 one end.
Specifically, the surface of the box body 2 is provided with a first sliding groove 18, a first sliding block 19 is slidably connected in the first sliding groove 18, the other end of the first sliding block 19 is fixedly connected with a movable plate 20, by arranging the movable plate 20, when people need to limit the propaganda diagram, people first pull a first handle 25 to drive a limiting plate 24 to move, and further drive a first clamping block 26 to be separated from a first clamping groove 27, then people can move a second handle 31 to move, and further drive a second movable rod 30 to move, and further drive a limiting block 32 to move, then people place the propaganda diagram on the surface of the box body 2, then people loosen the second handle 31 to drive the second movable rod 30 to move, and meanwhile, the limiting block 32 limits the propaganda diagram, under the action of the movable plate 20, so that people can limit the propaganda diagram more quickly, and then improved people's work efficiency, first recess 21 has been seted up on fly leaf 20 surface, the first telescopic link 22 of first recess 21 inner wall fixedly connected with, first spring 23 has been cup jointed on first telescopic link 22 surface, the other end fixedly connected with limiting plate 24 of first telescopic link 22, limiting plate 24 fixed surface is connected with the first in command 25.
Specifically, limiting plate 24 fixed surface is connected with first fixture block 26, and first draw-in groove 27 has been seted up on the box 2 surface, and first fixture block 26 and first draw-in groove 27 looks joint, and first draw-in groove 27 is a plurality of totally, and sets gradually on the box 2 surface, and fly leaf 20 fixed surface is connected with second telescopic link 28, and second spring 29 has been cup jointed on second telescopic link 28 surface.
Specifically, the other end of the second telescopic rod 28 is fixedly connected with a second movable rod 30, one end of the second movable rod 30 is fixedly connected with a second handle 31, the other end of the second movable rod 30 is fixedly connected with a limiting block 32, the first sliding grooves 18 are a plurality of in total, and the rectangular shape is arranged on the surface of the box body 2.
Specifically, second recess 33 has been seted up on base 1 surface, second recess 33 inner wall fixedly connected with second positive and negative motor 34, the output shaft fixedly connected with second screw post 35 of second positive and negative motor 34, second screw post 35 surface threaded connection has screwed pipe 36, 36 other end fixed connection of screwed pipe is on the box 2 surface, 1 fixed surface of base is connected with third telescopic link 43, 43 other end fixed connection of third telescopic link is on the box 2 surface, third telescopic link 43 is total two, and the symmetric connection is on 1 surface of base.
Specifically, be provided with energy storage storehouse 37 in the base 1, energy storage storehouse 37 inner wall fixedly connected with battery 38, third recess 40 has been seted up on the base 1 surface, and the fixedly connected with electric putter 41 of third recess 40 inner wall, the fixedly connected with universal wheel 42 of electric putter 41 other end, and third recess 40 is total a plurality ofly, and is the rectangle and sets up at base 1 lower surface.
Specifically, the lower surface of the base 1 is fixedly connected with a plurality of supporting legs 39, the supporting legs 39 are connected to the lower surface of the base 1 in a rectangular shape, and the surface of the base 1 is fixedly connected with a control switch 44.
The working principle and the using process of the invention are as follows: when the device is used, firstly, the device is placed at a proper position, when people need to limit the propaganda diagram, people firstly pull the first handle 25 to drive the limit plate 24 to move, further drive the first fixture block 26 to be separated from the first clamping groove 27, then people can move the second handle 31 to move, further drive the first movable rod 11 to move, further drive the limit block 32 to move, then people place the propaganda diagram on the surface of the box body 2, then people loosen the second handle 31, further drive the first movable rod 11 to move, meanwhile, the limit block 32 limits the propaganda diagram, when people need to remove dust on the surface of the propaganda diagram, people only need to control the first positive and negative motor 4 to operate through the control switch 44, thereby driving the first threaded column 5 to rotate, under the interaction of the first threaded column 5 and the threaded cap 8, thereby can drive head rod 10 and remove, can drive first movable rod 11 simultaneously and remove, and then can drive brush 12 and remove dust to the propaganda picture surface, when people need adjust the height of box 2, people only need control second positive and negative motor 34 function through control switch 44, thereby can drive second screw thread post 35 and rotate, simultaneously under the interact of second screw thread post 35 and screwed pipe 36, thereby can drive box 2 and remove, and then can highly adjust box 2, when people need remove the device, people only need control electric putter 41 extension through control switch 44, thereby can drive universal wheel 42 and ground and contact, simultaneously can separate universal wheel 42 and ground, thereby people can be this light mobile device.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the invention as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a but exhibition frame device of automatic dust removal, includes base (1) and box (2), its characterized in that: the inner wall of the box body (2) is fixedly connected with a motor box (3), the inner wall of the motor box (3) is fixedly connected with a first positive and negative motor (4), the output shaft of the first positive and negative motor (4) is fixedly connected with a first threaded column (5), the other end of the first threaded column (5) is fixedly connected with a first rotating shaft (6), the inner wall of the motor box (3) is fixedly connected with a first bearing (7), the other end of the first rotating shaft (6) is arranged in a first bearing (7) in a penetrating way, the surface of the first threaded column (5) is connected with a threaded cap (8) in a threaded way, a first limiting hole (9) is formed in the surface of the motor box (3), a first connecting rod (10) is fixedly connected to the surface of the threaded cap (8), the surface of the first connecting rod (10) is fixedly connected with a first movable rod (11), and the surface of the first movable rod (11) is fixedly connected with a brush (12).
2. The display rack device capable of automatically removing dust according to claim 1, wherein: the improved box is characterized in that a sliding box (13) is fixedly connected to the inner wall of the box body (2), a sliding rod (14) is fixedly connected to the inner wall of the sliding box (13), a sliding sleeve (15) is slidably connected to the surface of the sliding rod (14), a second connecting rod (17) is fixedly connected to the surface of the sliding sleeve (15), a second limiting hole (16) is formed in the surface of the sliding box (13), and the other end of the second connecting rod (17) is fixedly connected to one end of a first movable rod (11).
3. The display rack device capable of automatically removing dust according to claim 1, wherein: first spout (18) have been seted up on box (2) surface, sliding connection has first slider (19) in first spout (18), first slider (19) other end fixedly connected with fly leaf (20), first recess (21) have been seted up on fly leaf (20) surface, first recess (21) inner wall fixedly connected with first telescopic link (22), first spring (23) have been cup jointed on first telescopic link (22) surface, first telescopic link (22) other end fixedly connected with limiting plate (24), limiting plate (24) fixed surface is connected with the first in command (25).
4. The display rack device capable of automatically removing dust according to claim 3, wherein: limiting plate (24) fixed surface is connected with first fixture block (26), first draw-in groove (27) have been seted up on box (2) surface, first fixture block (26) and first draw-in groove (27) looks joint, first draw-in groove (27) are total a plurality ofly, and set up in proper order on box (2) surface, fly leaf (20) fixed surface is connected with second telescopic link (28), second spring (29) have been cup jointed on second telescopic link (28) surface.
5. The display rack device capable of automatically removing dust according to claim 4, wherein: second telescopic link (28) other end fixedly connected with second movable rod (30), second movable rod (30) one end fixedly connected with second handle (31), second movable rod (30) other end fixedly connected with stopper (32), first spout (18) are total a plurality ofly, and are the rectangle and set up on box (2) surface.
6. The display rack device capable of automatically removing dust according to claim 1, wherein: second recess (33) have been seted up on base (1) surface, second recess (33) inner wall fixedly connected with second positive and negative motor (34), output shaft fixedly connected with second screw thread post (35) of second positive and negative motor (34), second screw thread post (35) surface threaded connection has screwed pipe (36), screwed pipe (36) other end fixed connection is on box (2) surface, base (1) surface fixedly connected with third telescopic link (43), third telescopic link (43) other end fixed connection is on box (2) surface, third telescopic link (43) are total two, and symmetric connection is on base (1) surface.
7. The display rack device capable of automatically removing dust according to claim 1, wherein: be provided with energy storage storehouse (37) in base (1), energy storage storehouse (37) inner wall fixedly connected with battery (38), third recess (40) have been seted up on base (1) surface, third recess (40) inner wall fixedly connected with electric putter (41), electric putter (41) other end fixedly connected with universal wheel (42), third recess (40) are total a plurality ofly, and are the rectangle and set up at base (1) lower surface.
8. The display rack device capable of automatically removing dust according to claim 1, wherein: the base (1) lower fixed surface is connected with supporting leg (39), supporting leg (39) are total a plurality ofly, and are the rectangular connection at base (1) lower surface, base (1) fixed surface is connected with control switch (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110193235.7A CN112991998A (en) | 2021-02-20 | 2021-02-20 | Exhibition frame device that can remove dust automatically |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110193235.7A CN112991998A (en) | 2021-02-20 | 2021-02-20 | Exhibition frame device that can remove dust automatically |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112991998A true CN112991998A (en) | 2021-06-18 |
Family
ID=76393760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110193235.7A Pending CN112991998A (en) | 2021-02-20 | 2021-02-20 | Exhibition frame device that can remove dust automatically |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112991998A (en) |
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| CN208737825U (en) * | 2018-09-20 | 2019-04-12 | 武汉创展云图科技有限公司 | A kind of environment-friendly type dynamic vision data information displaying device |
| CN209447480U (en) * | 2019-03-14 | 2019-09-27 | 江西现代职业技术学院 | A kind of Art Design displaying propagandizing device |
| CN211016097U (en) * | 2020-01-07 | 2020-07-14 | 翟姗姗 | High-efficient auxiliary device that recites of english word |
| CN211506981U (en) * | 2019-12-19 | 2020-09-15 | 沈阳恒远通电子有限公司 | Anti-collision LED display screen |
| CN211551071U (en) * | 2019-11-14 | 2020-09-22 | 黑龙江集佳电气设备有限公司 | Risk early warning supporting table for coal mine operation |
| CN211533469U (en) * | 2019-12-14 | 2020-09-22 | 广东邮电职业技术学院 | Drawing display device for circuit design |
| CN211559417U (en) * | 2019-11-01 | 2020-09-25 | 安徽中澳科技职业学院 | Drawing fixing frame for art design |
| CN111754898A (en) * | 2020-06-14 | 2020-10-09 | 石门县闫氏广告有限责任公司 | Electric power marketing is with bill-board convenient to detach removes |
-
2021
- 2021-02-20 CN CN202110193235.7A patent/CN112991998A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208737825U (en) * | 2018-09-20 | 2019-04-12 | 武汉创展云图科技有限公司 | A kind of environment-friendly type dynamic vision data information displaying device |
| CN209447480U (en) * | 2019-03-14 | 2019-09-27 | 江西现代职业技术学院 | A kind of Art Design displaying propagandizing device |
| CN211559417U (en) * | 2019-11-01 | 2020-09-25 | 安徽中澳科技职业学院 | Drawing fixing frame for art design |
| CN211551071U (en) * | 2019-11-14 | 2020-09-22 | 黑龙江集佳电气设备有限公司 | Risk early warning supporting table for coal mine operation |
| CN211533469U (en) * | 2019-12-14 | 2020-09-22 | 广东邮电职业技术学院 | Drawing display device for circuit design |
| CN211506981U (en) * | 2019-12-19 | 2020-09-15 | 沈阳恒远通电子有限公司 | Anti-collision LED display screen |
| CN211016097U (en) * | 2020-01-07 | 2020-07-14 | 翟姗姗 | High-efficient auxiliary device that recites of english word |
| CN111754898A (en) * | 2020-06-14 | 2020-10-09 | 石门县闫氏广告有限责任公司 | Electric power marketing is with bill-board convenient to detach removes |
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Application publication date: 20210618 |