CN113129702A - English show board with regulatory function - Google Patents
English show board with regulatory function Download PDFInfo
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- CN113129702A CN113129702A CN202110442245.XA CN202110442245A CN113129702A CN 113129702 A CN113129702 A CN 113129702A CN 202110442245 A CN202110442245 A CN 202110442245A CN 113129702 A CN113129702 A CN 113129702A
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- 230000009711 regulatory function Effects 0.000 title claims description 3
- 238000004140 cleaning Methods 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims description 23
- 230000006870 function Effects 0.000 claims description 18
- 238000007790 scraping Methods 0.000 claims description 9
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 16
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 16
- 241001330002 Bambuseae Species 0.000 abstract description 16
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 16
- 239000011425 bamboo Substances 0.000 abstract description 16
- 230000000694 effects Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000005338 frosted glass Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- 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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- 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
- B43L21/00—Blackboard or slate cleaning devices
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- Entrepreneurship & Innovation (AREA)
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- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Drawing Aids And Blackboards (AREA)
Abstract
The invention discloses an English display board with an adjusting function, relates to the technical field of display boards, and solves the problems that the handwriting on the display board cannot be completely erased once, repeated reciprocating erasing is needed, and time and labor are wasted when the handwriting on the display board is manually erased in the prior art. An English display board with an adjusting function comprises a cleaning and positioning assembly; the cleaning and positioning assembly comprises a positioning frame, the positioning frame is inserted outside the board body of the display board, and the positioning frame is internally provided with a reverse erasing assembly. When the device is erased to show board surface writing, drive assembly drive clearance locating component and reverse erase the subassembly can be fast, thorough erase the writing on show board surface, and it is the same with clearance locating component's moving direction to erase the rotation direction of a section of thick bamboo and show board binding face, can improve the frictional force of erasing a section of thick bamboo and show board face and erase the time to can be fast, thorough erase the writing on show board surface, convenient nimble.
Description
Technical Field
The invention belongs to the technical field of display boards, and particularly relates to an English display board with an adjusting function.
Background
The english is international universal language, and along with the rapid development of economy, people are more and more high to the attention degree of english study at present, and in english teaching, the teacher often can teach through the show board, and the show board is made with plank or frosted glass etc. can write on it with specific writing materials such as chalk to convenient teaching uses.
If the application number is: in CN 201810783620.5's patent, a child english teaching is with word demonstration board is disclosed, belongs to teaching aid technical field. This vocabulary show board includes: the utility model provides a magnetic card, including first plate body, one side of first plate body articulates there is the second plate body, be equipped with horizontal spout on the second plate body, jettison device and horizontal spout sliding connection, be equipped with a plurality of vertical dovetails along the equidistance of horizontal direction on the second plate body, a plurality of vertical dovetails are located horizontal spout's top, the top of a plurality of vertical dovetails is equipped with the recess, the magnetic plate body is established in the recess, the bottom surface and the magnetic plate body of vertical dovetail are in the coplanar, the bottom of a plurality of letter cards all is equipped with first slider, the surface of first slider is equipped with the magnet piece, first slider and vertical dovetail sliding connection. The vocabulary display board provided by the invention adopts English vocabulary learned in a game mode, so that interestingness is integrated into teaching, and children are enjoyed to be put into games.
The current display board generally has the function of adjusting use, such as the application numbers: in CN202020242230. X's patent, disclose english teaching and use adjustable show board, belong to teaching articles for use technical field, this english teaching and use adjustable show board, including first show board, second show board and bottom plate, first show board one side outer wall has the second hinge of bisymmetry through bolted connection, and the one end of every second hinge all has the second show board through the bolt fastening, and every second show board one side outer wall all has the thing board of putting through bolted connection, there is the telescopic link bottom plate top outer wall through threaded connection. The utility model discloses a set up first show board of second hinged joint and second show board for can carry out the folding of certain degree to the second show board when no, reduce the problem that the second show board accounts for the space, through the setting of telescopic link, realize the function that the integrated device reciprocated, the teaching of being convenient for is used, and the integrated device after the withdrawal can be more through folding save space, be convenient for deposit.
The handwriting on the surface of the display board needs to be erased by the eraser after the display board is used, so that the display board is convenient to use subsequently, the display board is troublesome when the handwriting is erased, the handwriting effect is poor when the handwriting is manually erased, the handwriting on the display board can not be completely erased usually once, repeated reciprocating erasing is needed, time and labor are wasted, and the practicability is low.
Therefore, in view of the above, research and improvement are made for the existing structure and defects, and an english display board with an adjusting function is provided, so as to achieve the purpose of higher practical value.
Disclosure of Invention
In order to solve the technical problems, the invention provides an English display board with an adjusting function, which aims to solve the problems that the existing display board needs to erase writing on the surface of the display board through a board eraser after being used, so that the subsequent use is convenient, the display board is troublesome in erasing the writing, the writing erasing effect is poor, the writing on the display board cannot be completely erased once, the writing on the display board needs to be erased repeatedly, time and labor are wasted, and the practicability is low.
The invention provides an English display board with a regulating function, which is achieved by the following specific technical means:
an English display board with an adjusting function comprises a display mounting assembly and a cleaning and positioning assembly;
the display mounting assembly comprises a display plate and a C-shaped fixing frame, wherein the front end frame plate of the C-shaped fixing frame is screwed and fixed on the back side of the display plate body through screws, and the rear end frame plate of the C-shaped fixing frame is screwed and fixed on the top of the display fixing frame through screws;
a driving assembly is arranged in the frame body of the C-shaped fixing frame;
the cleaning and positioning assembly comprises a positioning frame, the positioning frame is inserted outside the board body of the display board, and the positioning frame is internally provided with a reverse erasing assembly.
Further, the cleaning and positioning assembly further comprises:
and the two ends of the wiping cylinder body are respectively and rotatably connected inside the frame body of the positioning frame, the outer side of the wiping cylinder body is provided with a scraping brush, and the scraping brush of the wiping cylinder is tightly propped against the surface of the front side plate body of the display plate.
Further, the driving assembly comprises:
the driving motor is screwed in the middle of the side frame plate of the C-shaped fixing frame through screws and is electrically connected with an external power supply and the control device;
the one end fixed connection of the actuating lever body of rod is outside at driving motor's bull stick, and the other end of the actuating lever body of rod rotates inside the side frame board of connecting at C shape mount.
Further, the reverse erasing component comprises:
the driving wheel is rotatably connected inside the positioning frame;
and the driven wheel is rotatably connected to the bottom of the positioning frame.
Furthermore, the reverse erasing components are arranged in two groups, the two groups of reverse erasing components are symmetrically arranged at the top and the bottom of the positioning frame, and the frame body of the positioning frame is in a mouth shape.
Further, the wheel body cross-section of drive wheel is "I" shape, and the top and the bottom of drive wheel are equipped with driving gear and driven gear respectively, and the dorsal top of show plate body and bottom all are equipped with the transmission folded plate of "L" shape, and the riser tip of transmission folded plate is equipped with the transmission rack, and the teeth of a cogwheel interlock transmission of transmission rack and driving gear.
Furthermore, a driving gear ring is arranged inside the driven wheel, and the driving gear ring is meshed with the gear teeth of the driven gear at the bottom of the driving wheel for transmission.
Furthermore, the two ends of the erasing cylinder are provided with reverse gears, the outer side of the wheel body of the driven wheel is provided with a driven gear ring, and the reverse gears are meshed with the gear teeth of the driven gear ring for transmission.
Furthermore, top and bottom in the locating frame all are equipped with the track piece, and the cross sectional shape of track piece is "T" shape, and show board plate body top and bottom all are equipped with the track groove, and the track piece is pegged graft in the inside in track groove.
Furthermore, the outside of the rod body of actuating lever is equipped with the screw thread, and the middle part of the framework backplate of locating frame is equipped with the drive block, and the inside of drive block is equipped with the drive screw hole, and the actuating lever connects in the inside of drive screw hole through body of rod screw thread is twisted.
Compared with the prior art, the invention has the following beneficial effects:
1. when the device is erased to show board surface writing, drive assembly drive clearance locating component and reverse erase the subassembly can be quick, thorough erase the writing on show board surface, and it is the same with clearance locating component's moving direction to erase the rotation direction of a section of thick bamboo and show board binding face, can improve the frictional force of erasing a section of thick bamboo and show board face and erase the time, thereby can be quick, thorough erase the writing on show board surface, convenient flexibility, degree of automation is high, the flexibility and the practicality of the device have been improved.
2. When driving motor starts, the actuating lever rotates, and actuating lever body of rod screw thread passes through the screw thread piece and drives the locating frame removal to the inside scraping brush of erasing a section of thick bamboo surface of locating frame can erase the writing on show board surface, and it is nimble convenient to use, has improved device's flexibility and adaptability.
3. When the locating frame removes, the driving gear rotates under the effect of driving rack, the driven gear of drive wheel bottom drives from the driving wheel rotation through initiative ring gear, thereby can drive reverse gear reverse rotation from the driven gear outside driven ring gear, make the rotation direction of erasing a section of thick bamboo and show board binding face the same with the direction of movement of clearance locating component, can improve the frictional force and the erasing time of erasing a section of thick bamboo and show board face, thereby can be quick, the thorough writing of erasing the show board surface, and is convenient and flexible, the flexibility and the practicality of the device are improved.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of the backside of fig. 1 according to the present invention.
Fig. 3 is a schematic view of the internal structure of the present invention.
Fig. 4 is a schematic structural view of the display board of the present invention.
FIG. 5 is a schematic structural view of the cleaning positioning assembly of the present invention after disassembly.
FIG. 6 is a disassembled structure of the reverse erase device of the present invention.
FIG. 7 is a schematic view showing the rotation direction of the erasing cylinder and the moving direction of the positioning frame when erasing the writing on the surface of the display board.
Fig. 8 is an enlarged schematic view of the portion a of fig. 3 according to the present invention.
Fig. 9 is an enlarged structural view of a portion B in fig. 4 according to the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. displaying the mounting assembly; 101. a display board; 1011. a transmission folded plate; 1012. a drive rack; 1013. a track groove; 102. a C-shaped fixing frame; 2. cleaning the positioning assembly; 201. a positioning frame; 202. an erasing cylinder; 2011. a track block; 2012. driving the threaded hole; 2021. a reverse gear; 3. a reverse erase component; 301. a driving wheel; 302. a driven wheel; 3011. a driving gear; 3012. a driven gear; 3021. a driven gear ring; 3022. a driving gear ring; 4. a drive assembly; 401. a drive motor; 402. a drive rod.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 9:
the invention provides an English display board with an adjusting function, which comprises a display mounting component 1 and a cleaning and positioning component 2, wherein the display mounting component is arranged on the display mounting component;
the display mounting assembly 1 comprises a display board 101 and a C-shaped fixing frame 102, wherein a front end frame plate of the C-shaped fixing frame 102 is screwed and fixed on the back side of a board body of the display board 101 through screws, and a rear end frame plate of the C-shaped fixing frame 102 is screwed and fixed on the top of the display fixing frame through screws;
a driving assembly 4 is arranged in the frame body of the C-shaped fixing frame 102;
the cleaning and positioning assembly 2 comprises a positioning frame 201, the positioning frame 201 is inserted outside the board body of the display board 101, and the reverse erasing assembly 3 is installed inside the positioning frame 201.
The cleaning and positioning assembly 2 further comprises:
the two ends of the body of the erasing cylinder 202 are respectively rotatably connected inside the frame body of the positioning frame 201, a scraping brush is arranged outside the body of the erasing cylinder 202, and the scraping brush of the erasing cylinder 202 tightly abuts against the surface of the front side plate of the display board 101.
The driving assembly 4 comprises:
the driving motor 401 is screwed in the middle of the side frame plate of the C-shaped fixing frame 102 through screws, the driving motor 401 is electrically connected with an external power supply and a control device, the specific structure and the working principle of the driving motor 401 are the prior mature technology, the description is not repeated, and in use, the control device can control the forward rotation and the reverse rotation of the driving motor 401;
and one end of the driving rod 402 is fixedly connected to the outside of the rotating rod of the driving motor 401, and the other end of the driving rod 402 is rotatably connected to the inside of the side frame plate of the C-shaped fixing frame 102.
The reverse erasing component 3 comprises:
the driving wheel 301 is rotatably connected inside the positioning frame 201, the wheel body section of the driving wheel 301 is in an 'I' shape, the top and the bottom of the driving wheel 301 are respectively provided with a driving gear 3011 and a driven gear 3012, the top and the bottom of the back side of the display board 101 are respectively provided with an 'L' -shaped transmission folded plate 1011, the end part of a vertical plate of the transmission folded plate 1011 is provided with a transmission rack 1012, and the transmission rack 1012 is meshed with the gear teeth of the driving gear 3011 for transmission, in use, when the positioning frame 201 moves, the driving gear 3011 rotates under the action of the transmission rack 1012;
the driven wheel 302, the driven wheel 302 is rotatably connected to the bottom of the positioning frame 201, a driving gear ring 3022 is arranged inside the driven wheel 302, the driving gear ring 3022 is in meshing transmission with the gear teeth of the driven gear 3012 at the bottom of the driving wheel 301, and in use, the driven gear 3012 at the bottom drives the driven wheel 302 to rotate through the driving gear ring 3022 when the driving wheel 301 rotates;
in use, when the device is erased to show board 101 surface writing, drive assembly 4 drive clearance locating component 2 and reverse erasing component 3 can be quick, thoroughly erase the writing on show board 101 surface, and it is the same with clearance locating component 2's moving direction to erase the rotation direction of a section of thick bamboo 202 and show board 101 binding face, can improve the frictional force and the time of erasing a section of thick bamboo 202 and show board 101 face, thereby can be quick, thoroughly erase the writing on show board 101 surface, and is convenient and flexible, and the degree of automation is high, the flexibility and the practicality of the device have been improved.
Wherein, reverse erasing subassembly 3 is equipped with two sets ofly, and two sets of reverse erasing subassembly 3 symmetries set up at the top and the bottom of location frame 201, and the framework shape of location frame 201 is "mouth" shape, and in use, two reverse erasing subassemblies 3 can be stable drive erase a section of thick bamboo 202 and rotate and erase the writing for show board 101 surface, and it is stable to use.
Wherein, the both ends of wiping a section of thick bamboo 202 all are equipped with reverse gear 2021, and the wheel body outside from driving wheel 302 is equipped with driven ring gear 3021, reverse gear 2021 and the interlock transmission of the teeth of a cogwheel of driven ring gear 3021, in use, driven wheel 302 outside driven ring gear 3021 can drive reverse gear 2021 reverse rotation, make the direction of rotation of wiping a section of thick bamboo 202 and show board 101 binding face the same with the direction of movement of clearance locating component 2, can improve the frictional force and the time of wiping a section of thick bamboo 202 and show board 101 face, thereby can be fast, thoroughly wipe the writing on show board 101 surface, and is convenient and flexible, the flexibility and the practicality of the device are improved.
Wherein, top and bottom in the locating frame 201 frame all are equipped with track piece 2011, and the cross sectional shape of track piece 2011 is "T" shape, show board 101 plate body top and bottom all are equipped with track groove 1013, and track piece 2011 pegs graft in the inside of track groove 1013, in use, track piece 2011 can pass through the removal orbit of track groove 1013 restriction locating frame 201, thereby guarantee to erase a barrel 202 and can stabilize the face laminating with show board 101 in use, and locating frame 201 can not appear crooked when removing, the phenomenon that the distortion leads to the device to lose efficacy takes place, it is stable to use, the stability of the device has been improved.
Wherein, the body of rod outside of actuating lever 402 is equipped with the screw thread, the middle part of the framework backplate of posting 201 is equipped with the drive block, and the inside of drive block is equipped with drive screw hole 2012, actuating lever 402 connects the inside at drive screw hole 2012 through body of rod screw thread, in use, when driving motor 401 starts, actuating lever 402 rotates, actuating lever 402 body of rod screw thread passes through the screw thread block and drives posting 201 and remove, thereby inside scraping brush of erasing a section of thick bamboo 202 surface of posting 201 can erase the writing on show board 101 surface, and is convenient and flexible to use, and the flexibility and the adaptability of the device are improved.
In another embodiment, the front frame of the positioning frame 201 is provided with word slots which are uniformly arranged, so that the word slots can be used for writing frequently used English words, thereby facilitating real-time recitation by students and flexible use.
The specific use mode and function of the embodiment are as follows:
in the invention, when the handwriting on the surface of the display board 101 needs to be erased, the power supply of the driving motor 401 is started through the control device, when the driving motor 401 is started, the driving rod 402 rotates, the screw thread of the rod body of the driving rod 402 drives the positioning frame 201 to move through the screw thread block, so that the scraping brush on the surface of the erasing cylinder 202 in the positioning frame 201 can erase the handwriting on the surface of the display board 101, when the positioning frame 201 moves, the driving gear 3011 rotates under the action of the driving rack 1012, the driven gear 3012 at the bottom of the driving wheel 301 drives the driven wheel 302 to rotate through the driving gear ring 3022, so that the driven gear 3021 outside the driven wheel 302 can drive the reverse gear 2021 to reversely rotate, the rotating direction of the attaching surface of the erasing cylinder 202 and the display board 101 is the same as the moving direction of the cleaning positioning assembly 2, the friction force and the erasing time between the erasing cylinder 202 and the, Thoroughly erase the writing on show board 101 surface, it is convenient nimble, the device is when erasing show board 101 surface writing, drive assembly 4 drive clearance locating component 2 and reverse component 3 of erasing can be quick, thoroughly erase the writing on show board 101 surface, and it is the same with clearance locating component 2's moving direction to erase the rotation direction of a section of thick bamboo 202 and show board 101 binding face, can improve the frictional force who erases a section of thick bamboo 202 and show board 101 face and erase the time, thereby can be quick, thoroughly erase the writing on show board 101 surface, it is convenient nimble, degree of automation is high.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (10)
1. The utility model provides an english show board with regulatory function which characterized in that: comprises a display mounting assembly (1);
the display mounting assembly (1) comprises a display plate (101) and a C-shaped fixing frame (102), wherein a front end frame plate of the C-shaped fixing frame (102) is screwed and fixed on the back side of a plate body of the display plate (101) through screws, and a rear end frame plate of the C-shaped fixing frame (102) is screwed and fixed on the top of the display fixing frame through screws;
a driving assembly (4) is arranged in the frame body of the C-shaped fixing frame (102);
clearance locating component (2), clearance locating component (2) are including locating frame (201), and the plate body outside at show board (101) is pegged graft to locating frame (201), and the internally mounted of locating frame (201) has reverse subassembly (3) of erasing.
2. An English display board with adjusting function as claimed in claim 1, wherein: the cleaning and positioning assembly (2) further comprises:
the cleaning device comprises a cleaning barrel (202), two ends of the barrel body of the cleaning barrel (202) are respectively and rotatably connected inside the frame body of the positioning frame (201), a scraping brush is arranged on the outer side of the barrel body of the cleaning barrel (202), and the scraping brush of the cleaning barrel (202) is tightly abutted to the surface of the front side plate body of the display plate (101).
3. An English display board with adjusting function as claimed in claim 1, wherein: the drive assembly (4) comprises:
the driving motor (401) is screwed in the middle of the side frame plate of the C-shaped fixing frame (102) through screws, and the driving motor (401) is electrically connected with an external power supply and a control device;
one end of the rod body of the driving rod (402) is fixedly connected to the outside of the rotating rod of the driving motor (401), and the other end of the rod body of the driving rod (402) is rotatably connected to the inside of the side frame plate of the C-shaped fixing frame (102).
4. An English display board with adjusting function as claimed in claim 1, wherein: the reverse erasing component (3) comprises:
the transmission wheel (301), the transmission wheel (301) is rotatably connected to the inside of the positioning frame (201);
and the driven wheel (302), wherein the driven wheel (302) is rotatably connected to the bottom of the positioning frame (201).
5. The English display board with adjusting function of claim 4, wherein: the reverse erasing components (3) are arranged in two groups, the two groups of reverse erasing components (3) are symmetrically arranged at the top and the bottom of the positioning frame (201), and the frame body of the positioning frame (201) is in a shape of a mouth.
6. The English display board with adjusting function of claim 4, wherein: the wheel body cross-section of drive wheel (301) is "I" shape, and the top and the bottom of drive wheel (301) are equipped with driving gear (3011) and driven gear (3012) respectively, and show board (101) plate body dorsal top and bottom all are equipped with transmission folded plate (1011) of "L" shape, and the riser tip of transmission folded plate (1011) is equipped with driving rack (1012), and the teeth of a cogwheel interlock transmission of driving rack (1012) and driving gear (3011).
7. The English display board with adjusting function of claim 4, wherein: a driving gear ring (3022) is arranged inside the driven wheel (302), and the driving gear ring (3022) is meshed with the gear teeth of the driven gear (3012) at the bottom of the driving wheel (301) for transmission.
8. An English display board with adjusting function as claimed in claim 2, wherein: reverse gears (2021) are arranged at two ends of the erasing cylinder (202), a driven gear ring (3021) is arranged on the outer side of the wheel body of the driven wheel (302), and the reverse gears (2021) are meshed with gear teeth of the driven gear ring (3021) for transmission.
9. An English display board with adjusting function as claimed in claim 1, wherein: the top and the bottom in locating frame (201) frame all are equipped with track piece (2011), and the cross sectional shape of track piece (2011) is "T" shape, and show board (101) plate body top and bottom all are equipped with track groove (1013), and the inside at track groove (1013) is pegged graft to track piece (2011).
10. An English display board with adjusting function as claimed in claim 3, wherein: the outside of the rod body of actuating lever (402) is equipped with the screw thread, and the middle part of the framework backplate of locating frame (201) is equipped with the drive block, and the inside of drive block is equipped with drive screw hole (2012), and actuating lever (402) are screwed in the inside of drive screw hole (2012) through the screw thread of the rod body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110442245.XA CN113129702A (en) | 2021-04-23 | 2021-04-23 | English show board with regulatory function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110442245.XA CN113129702A (en) | 2021-04-23 | 2021-04-23 | English show board with regulatory function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113129702A true CN113129702A (en) | 2021-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110442245.XA Pending CN113129702A (en) | 2021-04-23 | 2021-04-23 | English show board with regulatory function |
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| CN (1) | CN113129702A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114365933A (en) * | 2022-01-12 | 2022-04-19 | 长春大学旅游学院 | Planar design work display device with circulation rolling function |
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| CN2748289Y (en) * | 2004-11-16 | 2005-12-28 | 燕山大学 | Automatic blackboard eraser |
| CN203818866U (en) * | 2014-05-23 | 2014-09-10 | 唐丽莉 | Mathematics blackboard writing wiper |
| KR20160056227A (en) * | 2014-11-11 | 2016-05-19 | 장창호 | wiper moving system of water cleaning board |
| CN208584995U (en) * | 2018-07-06 | 2019-03-08 | 成都航空职业技术学院 | A kind of electric blackboard eraser |
| CN208730649U (en) * | 2018-08-08 | 2019-04-12 | 重庆康普达科技有限公司 | A kind of push-and-pull blackboard |
| CN209813537U (en) * | 2019-03-19 | 2019-12-20 | 潍坊职业学院 | Blackboard with automatic character-erasing function |
| CN210132916U (en) * | 2019-06-06 | 2020-03-10 | 侯海龙 | Blackboard is used in junior middle school's chinese teaching |
| CN211592012U (en) * | 2019-10-08 | 2020-09-29 | 咸阳师范学院 | Ideological and political education show board |
| CN211280402U (en) * | 2019-10-31 | 2020-08-18 | 郑州大学第二附属医院 | Display board for human resource management teaching |
| CN112428731A (en) * | 2020-12-15 | 2021-03-02 | 南京工业职业技术大学 | Dust-removing high-efficiency blackboard eraser |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114365933A (en) * | 2022-01-12 | 2022-04-19 | 长春大学旅游学院 | Planar design work display device with circulation rolling function |
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