CN113160659A - Auxiliary teaching device for documents - Google Patents
Auxiliary teaching device for documents Download PDFInfo
- Publication number
- CN113160659A CN113160659A CN202110050099.6A CN202110050099A CN113160659A CN 113160659 A CN113160659 A CN 113160659A CN 202110050099 A CN202110050099 A CN 202110050099A CN 113160659 A CN113160659 A CN 113160659A
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- Prior art keywords
- support
- teaching
- pinion
- threaded rod
- auxiliary
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- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 3
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 3
- 241001330002 Bambuseae Species 0.000 claims description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 3
- 239000011425 bamboo Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 9
- 244000309464 bull Species 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 2
- 229910001361 White metal Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000010969 white metal Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B19/00—Teaching not covered by other main groups of this subclass
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B97/00—Furniture or accessories for furniture, not provided for in other groups of this subclass
- A47B97/04—Easels or stands for blackboards or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B19/00—Teaching not covered by other main groups of this subclass
- G09B19/06—Foreign languages
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- Business, Economics & Management (AREA)
- Engineering & Computer Science (AREA)
- Entrepreneurship & Innovation (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Drawing Aids And Blackboards (AREA)
Abstract
The invention relates to the technical field of teaching auxiliary instruments and discloses a document auxiliary teaching device. According to the invention, the teaching plan can be conveniently placed into the mounting frame for clamping by the clamping mechanism in the teaching process, the teaching plan can be conveniently checked in real time in the left-right writing process of a user, the situation that the user holds and writes while writing is avoided, the teaching efficiency is improved, the fatigue feeling of the user when holding a book is reduced, the auxiliary board can be driven to move up and down by the adjusting mechanism, when the auxiliary board moves down, corresponding teaching contents can be written on the auxiliary board, the writing area of the teaching device is increased, and more teaching contents can be easily displayed.
Description
Technical Field
The invention relates to the technical field of teaching auxiliary instruments, in particular to a document auxiliary teaching device.
Background
The whiteboard is a writing plane made of a white metal plate material, has the similar function as the blackboard, is a writing tool capable of being repeatedly erased and written, is usually used for teaching, conference discussion or personal and family note keeping, and needs to be written by a special whiteboard pen, and a large number of notes are often written on the whiteboard in the thinking of political affairs teaching process.
The current whiteboard needs a teacher's hand to hold the teaching plan in the use, and another hand holds the special pen of whiteboard and writes, and along with the increase of time, not only can cause teacher's finger ache, can direct influence teaching efficiency moreover, and current whiteboard writes the area limited moreover, is difficult to show more teaching content on the whiteboard, and application scope is not wide enough. Accordingly, a person skilled in the art provides a document teaching aid to solve the problems set forth in the background art described above.
Disclosure of Invention
The invention aims to provide a document teaching aid to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a literature auxiliary teaching device comprises a white board, a first support frame and a second support frame fixedly connected to two sides of the white board, and a controller fixedly connected to the outer side of the second support frame, wherein the bottom ends of the first support frame and the second support frame are fixedly connected with support plates, two rollers are fixedly connected to two ends of the lower surfaces of the two support plates, the upper surface of the white board is provided with a limiting groove, a clamping mechanism is installed above the limiting groove and comprises a clamping block, a limiting plate, a first support, a second support, a telescopic rod, a placing cylinder and a mounting frame, the two sides of the inner wall of the mounting frame are fixedly connected with the placing cylinder, the top of the placing cylinder is movably penetrated with the telescopic rod, the top end of the telescopic rod is movably connected with the first support, the top end of the first support is movably connected with the limiting plate, and the clamping block is fixedly connected to the front surface of the limiting plate at equal intervals, the rear surface of the limit plate is also movably connected with a second bracket, an adjusting mechanism is arranged in the white board, the adjusting mechanism comprises an auxiliary plate, a first pinion, a first threaded rod, a first adjusting pipe, a bull gear, a servo motor, a second pinion, a second threaded rod and a second adjusting pipe, the servo motor is fixedly connected inside the white board, and the driving end of the servo motor is connected with a bull gear, the two sides of the bull gear are respectively engaged with a first pinion and a second pinion, a first adjusting pipe is fixedly connected inside the first pinion in a penetrating way, a second adjusting pipe is fixedly connected inside the second pinion in a penetrating way, the bottom of the first adjusting pipe is in threaded connection with a first threaded rod, the bottom of the second adjusting pipe is in threaded connection with a second threaded rod, and the bottom end of the first threaded rod and the bottom end of the second threaded rod are fixedly connected with auxiliary plates.
As a still further scheme of the invention: the top of first control tube is passed through the bearing and is rotated the connection on the inner wall of blank, the top of second control tube is passed through the bearing and is rotated the connection on the inner wall of blank, the length of first control tube and second control tube equals, and first control tube and second control tube are relative distribution.
As a still further scheme of the invention: the auxiliary board movably penetrates through the lower surface of the white board and is of a cuboid structure, and the auxiliary board is located between the first support frame and the second support frame.
As a still further scheme of the invention: the first small gear and the second small gear are symmetrically distributed by taking the central point of the large gear as a reference, the first small gear and the second small gear are equal in size, and the auxiliary plate, the first small gear, the first threaded rod, the first adjusting pipe, the large gear, the servo motor, the second small gear, the second threaded rod and the second adjusting pipe are all located inside the whiteboard.
As a still further scheme of the invention: the lower surface of mounting bracket still rigid coupling has the stopper, stopper sliding connection is in the inside of spacing groove, and the stopper is "T" shape structure.
As a still further scheme of the invention: one end swing joint of second support is on the inner wall of mounting bracket, the left side department at first support is installed to the second support.
As a still further scheme of the invention: the clamping blocks, the limiting plates, the first support, the second support, the telescopic rods and the placing cylinders are symmetrically distributed by taking the center point of the mounting frame as a reference, and the mounting frame is of a U-shaped structure.
As a still further scheme of the invention: the inside of placing a section of thick bamboo still is connected with the spring, the bottom department at the telescopic link is connected to the one end of spring.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the teaching plan can be conveniently placed into the mounting frame for clamping by the clamping mechanism in the teaching process, and the clamped teaching plan can also move left and right, so that the teaching plan can be conveniently checked in real time in the left and right writing process of the user, the situation that the user holds a book and writes the book at the same time is avoided, the teaching efficiency is improved, and the fatigue feeling of the user when holding the book is reduced;
2. the auxiliary board can be driven to move up and down through the adjusting mechanism, when the auxiliary board moves down, corresponding teaching contents can be written on the auxiliary board, the writing area of the teaching device is increased, more teaching contents are easy to display, the application range is wide, the auxiliary board can be stored after being used, the occupied area of the auxiliary board is reduced, and the teaching device is convenient to use in practice.
Drawings
FIG. 1 is a schematic diagram of a device for teaching aid in documents;
FIG. 2 is a schematic view of an adjustment mechanism of a document teaching aid;
FIG. 3 is a schematic view of a clamping mechanism of a device for teaching aid in documents;
FIG. 4 is a schematic diagram of a spring structure of a device for teaching aid in documents;
fig. 5 is a schematic structural diagram of a clamping block in the auxiliary teaching device for documents.
In the figure: 1. a first support frame; 2. a limiting groove; 3. a clamping mechanism; 4. a white board; 5. a second support frame; 6. a controller; 7. a support plate; 8. a roller; 9. an auxiliary plate; 10. a first pinion gear; 11. a first threaded rod; 12. a first regulating tube; 13. a bull gear; 14. a servo motor; 15. a second pinion gear; 16. a second threaded rod; 17. a second regulating tube; 18. an adjustment mechanism; 19. a clamping block; 20. a limiting plate; 21. a first bracket; 22. a second bracket; 23. a telescopic rod; 24. placing the cylinder; 25. a mounting frame; 26. a limiting block; 27. a spring.
Detailed Description
Referring to fig. 1 to 5, in the embodiment of the present invention, an auxiliary teaching device for documents includes a white board 4, a first support frame 1 and a second support frame 5 fixedly connected to two sides of the white board 4, and a controller 6 fixedly connected to an outer side of the second support frame 5, the controller 6 is DKC-Y110, support plates 7 are fixedly connected to bottom ends of the first support frame 1 and the second support frame 5, two rollers 8 are fixedly connected to two ends of lower surfaces of the two support plates 7, a limiting groove 2 is formed on an upper surface of the white board 4, a clamping mechanism 3 is installed above the limiting groove 2, the clamping mechanism 3 includes a clamping block 19, a limiting plate 20, a first support 21, a second support 22, a telescopic rod 23, a placing cylinder 24 and a mounting frame 25, a placing cylinder 24 is fixedly connected to two sides of an inner wall of the mounting frame 25, a telescopic rod 23 is movably penetrated through a top of the placing cylinder 24, a top end of the telescopic rod 23 is movably connected to the first support 21, the top end of the first support 21 is movably connected with a limiting plate 20, the front surface of the limiting plate 20 is equidistantly and fixedly connected with a clamping block 19, the rear surface of the limiting plate 20 is also movably connected with a second support 22, the clamping block 19 is a rubber member, the clamping block 19 is of a triangular structure, the lower surface of the mounting frame 25 is also fixedly connected with a limiting block 26, the limiting block 26 is slidably connected inside the limiting groove 2, the limiting block 26 is of a T-shaped structure, one end of the second support 22 is movably connected on the inner wall of the mounting frame 25, the second support 22 is mounted at the left side of the first support 21, the clamping block 19, the limiting plate 20, the first support 21, the second support 22, the telescopic rod 23 and the placing cylinder 24 are symmetrically distributed by taking the central point of the mounting frame 25 as a reference, the mounting frame 25 is of a U-shaped structure, the inside of the placing cylinder 24 is also connected with a spring 27, one end of the spring 27 is connected at the bottom end of the telescopic rod 23, can carry out the centre gripping through fixture 3 in can convenience of customers puts into mounting bracket 25 with the teaching plan at the teaching in-process, press from both sides the teaching plan after pressing from both sides tightly and also can remove, the in-process of writing about convenience of customers looks over the teaching plan in real time, avoids taking the book the condition of writing simultaneously, has improved teaching efficiency, has reduced the tired sense of user when taking the book.
In fig. 2: an adjusting mechanism 18 is arranged in the whiteboard 4, the adjusting mechanism 18 comprises an auxiliary plate 9, a first pinion 10, a first threaded rod 11, a first adjusting tube 12, a gearwheel 13, a servo motor 14, a second pinion 15, a second threaded rod 16 and a second adjusting tube 17, the servo motor 14 is fixedly connected in the whiteboard 4, the gearwheel 13 is connected to the driving end of the servo motor 14, the servo motor 14 is ACSM110-G04030LZ, the first pinion 10 and the second pinion 15 are respectively engaged with two sides of the gearwheel 13, the first adjusting tube 12 is fixedly connected in the first pinion 10 in a penetrating way, the second adjusting tube 17 is fixedly connected in the second pinion 15 in a penetrating way, the first threaded rod 11 is connected to the bottom of the first adjusting tube 12 in a threaded way, the second threaded rod 16 is connected to the bottom of the second adjusting tube 17 in a threaded way, the auxiliary plate 9 is fixedly connected to the bottom of the first threaded rod 11 and the bottom of the second threaded rod 16, the top end of the first adjusting pipe 12 is rotatably connected on the inner wall of the white board 4 through a bearing, the top end of the second adjusting pipe 17 is rotatably connected on the inner wall of the white board 4 through a bearing, the lengths of the first adjusting pipe 12 and the second adjusting pipe 17 are equal, the first adjusting pipe 12 and the second adjusting pipe 17 are distributed oppositely, the auxiliary board 9 movably penetrates through the lower surface of the white board 4, the auxiliary board 9 is in a cuboid structure, the auxiliary board 9 is positioned between the first supporting frame 1 and the second supporting frame 5, the first small gear 10 and the second small gear 15 are symmetrically distributed by taking the central point of the big gear 13 as a reference, the first small gear 10 and the second small gear 15 are equal in size, the auxiliary board 9, the first small gear 10, the first threaded rod 11, the first adjusting pipe 12, the big gear 13, the servo motor 14, the second small gear 15, the second threaded rod 16 and the second adjusting pipe 17 are all positioned inside the white board 4, the auxiliary board 9 can be driven to move up and down through the adjusting mechanism 18, when the auxiliary board 9 moves down, corresponding teaching contents can be written on the auxiliary board 9, the writing area of the teaching device is increased, more teaching contents are easy to display, the application range is wide, the auxiliary board 9 can be stored after being used, the occupied area of the auxiliary board 9 is reduced, and the practical use is convenient.
The working principle of the invention is as follows: when a user writes and looks at a teaching plan, the user firstly moves the two groups of limiting plates 20 oppositely, then the user can drive the telescopic rod 23 to move downwards under the action of the first support 21 and the second support 22, so as to press the spring 27 and deform the spring, then the user places the teaching plan between the two groups of limiting plates 20, then loosens the two groups of limiting plates 20, the spring 27 can drive the first support 21 to move while recovering the original state, further drives the two groups of limiting plates 20 to move relatively, and finally drives the two groups of clamping blocks 19 to move relatively, because the clamping blocks 19 are rubber members, and the clamping blocks 19 are triangular structures, after the two groups of clamping blocks 19 move relatively, the teaching plan can be firmly clamped and prevented from loosening, and along with the continuous right movement or left movement of the user writing, the user can manually pull the mounting frame 25 to move left and right, the limiting block 26 slides in the limiting groove 2 at the moment, so that a user can conveniently check the contents on the teaching plan in real time, the user can conveniently place the teaching plan into the mounting frame 25 for clamping in the teaching process through the clamping mechanism 3, the clamped teaching plan can also move left and right, the user can conveniently check the teaching plan in real time in the left-right writing process, the situation that the user writes while holding a book is avoided, the teaching efficiency is improved, the fatigue feeling of the user when holding the book is reduced, when the display contents on the white board 4 are limited, the user controls the servo motor 14 to work through the controller 6, the large gear 13 can be driven to rotate forwards after the servo motor 14 rotates forwards, the first small gear 10 and the second small gear 15 are driven to rotate backwards simultaneously, then the first adjusting pipe 12 and the second adjusting pipe 17 can be driven to rotate backwards simultaneously, and further the bottom ends of the first threaded rod 11 and the second threaded rod 16 can be driven to move downwards continuously, finally, the lower auxiliary board 9 is driven to move downwards, so that the auxiliary board 9 is moved out of the white board 4, after the content on the auxiliary board 9 is displayed, the user controls the servo motor 14 to rotate reversely through the controller 6, the servo motor 14 can drive the large gear 13 to rotate reversely after rotating reversely, so as to drive the first pinion 10 and the second pinion 15 to rotate forward simultaneously, then the first adjusting pipe 12 and the second adjusting pipe 17 can be driven to rotate forward simultaneously, so as to drive the bottom ends of the first threaded rod 11 and the second threaded rod 16 to move upwards continuously, finally, the lower auxiliary board 9 is driven to move upwards, so that the auxiliary board 9 is accommodated in the white board 4, so that the auxiliary board 9 can be driven to move up and down through the adjusting mechanism 18, when the auxiliary board 9 moves downwards, corresponding teaching content can be written on the auxiliary board 9, and the writing area of the teaching device is increased, more teaching contents are easy to show, the application range is wide, the auxiliary board 9 can be stored after being used, the occupied area of the auxiliary board 9 is reduced, and the practical use is convenient.
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 (8)
1. The utility model provides a supplementary teaching device of literature, includes blank (4), rigid coupling at first support frame (1) and second support frame (5) and controller (6) of rigid coupling in the second support frame (5) outside of blank (4) both sides, the equal rigid coupling in bottom of first support frame (1) and second support frame (5) has backup pad (7), two equal rigid coupling in lower surface both ends department of backup pad (7) has two gyro wheels (8), its characterized in that, spacing groove (2) have been seted up to the upper surface of blank (4), fixture (3) are installed to the top of spacing groove (2), fixture (3) include grip block (19), limiting plate (20), first support (21), second support (22), telescopic link (23), place a section of thick bamboo (24) and mounting bracket (25), a section of thick bamboo (24) is placed to the inner wall both sides of mounting bracket (25) all, the top of the placing barrel (24) is movably penetrated by a telescopic rod (23), the top end of the telescopic rod (23) is movably connected with a first support (21), the top end of the first support (21) is movably connected with a limiting plate (20), a clamping block (19) is fixedly connected to the front surface of the limiting plate (20) at an equal distance, a second support (22) is further movably connected to the rear surface of the limiting plate (20), an adjusting mechanism (18) is arranged inside the whiteboard (4), the adjusting mechanism (18) comprises an auxiliary plate (9), a first pinion (10), a first threaded rod (11), a first adjusting pipe (12), a gear wheel (13), a servo motor (14), a second pinion (15), a second threaded rod (16) and a second adjusting pipe (17), the servo motor (14) is fixedly connected inside the whiteboard (4), and a driving end of the servo motor (14) is connected with the gear wheel (13), the utility model discloses a quick-witted, including gear wheel (13), gear wheel (15), first pinion (10) and second pinion (15) have been meshed respectively to both sides, the inside of first pinion (10) is run through the rigid coupling and is had first regulation pipe (12), the inside of second pinion (15) is run through the rigid coupling and is had second regulation pipe (17), the bottom threaded connection of first regulation pipe (12) has first threaded rod (11), the bottom threaded connection of second regulation pipe (17) has second threaded rod (16), the equal rigid coupling in bottom of the bottom of first threaded rod (11) and the bottom of second threaded rod (16) has accessory plate (9).
2. A supplementary teaching device for documents as claimed in claim 1, wherein the top end of the first adjusting tube (12) is rotatably connected to the inner wall of the white board (4) through a bearing, the top end of the second adjusting tube (17) is rotatably connected to the inner wall of the white board (4) through a bearing, the first adjusting tube (12) and the second adjusting tube (17) have the same length, and the first adjusting tube (12) and the second adjusting tube (17) are distributed oppositely.
3. A device for supporting teaching of documents as claimed in claim 1, wherein said auxiliary board (9) is movably provided through the lower surface of said white board (4), and said auxiliary board (9) is of a rectangular parallelepiped structure, said auxiliary board (9) being located between said first support (1) and said second support (5).
4. A device for supporting teaching of documents as claimed in claim 1, characterized in that said first pinion (10) and said second pinion (15) are symmetrically arranged with respect to the central point of said gearwheel (13), said first pinion (10) and said second pinion (15) being of equal size, said auxiliary plate (9), said first pinion (10), said first threaded rod (11), said first adjusting tube (12), said gearwheel (13), said servomotor (14), said second pinion (15), said second threaded rod (16) and said second adjusting tube (17) being located inside said whiteboard (4).
5. The auxiliary teaching device for documents as claimed in claim 1, wherein a limiting block (26) is further fixed to the lower surface of the mounting frame (25), the limiting block (26) is slidably connected to the inside of the limiting groove (2), and the limiting block (26) is of a "T" shaped structure.
6. A device for assisting in teaching documents as claimed in claim 1, wherein said second support (22) is articulated at one end on the inner wall of the mounting frame (25), said second support (22) being mounted at the left side of the first support (21).
7. A literature aid teaching device according to claim 1, wherein said holding block (19), limiting plate (20), first support (21), second support (22), telescopic rod (23) and placing cylinder (24) are all symmetrically distributed with respect to the central point of the mounting frame (25), said mounting frame (25) being of "u" shaped configuration.
8. A document teaching aid according to claim 1, wherein a spring (27) is further connected to the inside of the placing cylinder (24), and one end of the spring (27) is connected to the bottom end of the telescopic rod (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110050099.6A CN113160659A (en) | 2021-01-14 | 2021-01-14 | Auxiliary teaching device for documents |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110050099.6A CN113160659A (en) | 2021-01-14 | 2021-01-14 | Auxiliary teaching device for documents |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113160659A true CN113160659A (en) | 2021-07-23 |
Family
ID=76878355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110050099.6A Pending CN113160659A (en) | 2021-01-14 | 2021-01-14 | Auxiliary teaching device for documents |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113160659A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113450629A (en) * | 2021-07-30 | 2021-09-28 | 宁夏警官职业学院 | Legal case analysis display device |
| CN113998252A (en) * | 2021-11-12 | 2022-02-01 | 武汉宇隆光电科技有限公司 | Automatic PCBA of counterpointing pastes mark device |
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|---|---|---|---|---|
| CN206999977U (en) * | 2017-04-14 | 2018-02-13 | 河南职业技术学院 | A kind of teaching of Chinese new type blackboard |
| CN207173118U (en) * | 2017-03-17 | 2018-04-03 | 邢台职业技术学院 | A kind of teaching of Chinese servicing unit |
| CN211344650U (en) * | 2020-01-15 | 2020-08-25 | 河南杨金高科技创业园发展有限公司 | Projector fixing support for information technology display |
| CN211956838U (en) * | 2020-06-15 | 2020-11-17 | 陇南师范高等专科学校 | Preschool education specialty teaching show board |
| CN111968457A (en) * | 2020-09-17 | 2020-11-20 | 王依格 | Chinese teaching display system |
-
2021
- 2021-01-14 CN CN202110050099.6A patent/CN113160659A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207173118U (en) * | 2017-03-17 | 2018-04-03 | 邢台职业技术学院 | A kind of teaching of Chinese servicing unit |
| CN206999977U (en) * | 2017-04-14 | 2018-02-13 | 河南职业技术学院 | A kind of teaching of Chinese new type blackboard |
| CN211344650U (en) * | 2020-01-15 | 2020-08-25 | 河南杨金高科技创业园发展有限公司 | Projector fixing support for information technology display |
| CN211956838U (en) * | 2020-06-15 | 2020-11-17 | 陇南师范高等专科学校 | Preschool education specialty teaching show board |
| CN111968457A (en) * | 2020-09-17 | 2020-11-20 | 王依格 | Chinese teaching display system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113450629A (en) * | 2021-07-30 | 2021-09-28 | 宁夏警官职业学院 | Legal case analysis display device |
| CN113450629B (en) * | 2021-07-30 | 2022-08-02 | 宁夏警官职业学院 | Legal case analysis display device |
| CN113998252A (en) * | 2021-11-12 | 2022-02-01 | 武汉宇隆光电科技有限公司 | Automatic PCBA of counterpointing pastes mark device |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210723 |
|
| RJ01 | Rejection of invention patent application after publication |