CN215474113U - English writing model essay display device - Google Patents
English writing model essay display device Download PDFInfo
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- CN215474113U CN215474113U CN202120313698.8U CN202120313698U CN215474113U CN 215474113 U CN215474113 U CN 215474113U CN 202120313698 U CN202120313698 U CN 202120313698U CN 215474113 U CN215474113 U CN 215474113U
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- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000026058 directional locomotion Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
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Abstract
The utility model discloses an English writing model essay display device which comprises a teaching blackboard, wherein an expansion plate is arranged inside the teaching blackboard; the transmission device is arranged on the teaching blackboard and is used for adjusting the expansion plate; drive arrangement, drive arrangement installs inside the teaching blackboard, and is used for driving the expansion board and moves to teaching blackboard one side, and this english writing model essay display device has set up the transmission and the drive arrangement who expand teaching blackboard show area, rotates the rocker and drives first gear through the pivot and rotate, and then the meshing pinion rack drives the drive plate and carries out directional motion, slides to second gear meshing department on the fixed block through the rack body to the countershaft is fixed, and then reaches and carries out the fixed purpose to the expansion board.
Description
Technical Field
The utility model relates to the technical field of English teaching display, in particular to an English writing model essay display device.
Background
Along with the continuous development of the society at present, the attention of parents to children education is also continuously improved, the subjects with short legs often appear in the learning process of children, English is also in the teaching major of English in China, the teaching major is gradually mature and perfect after being modified, the writing and development of teaching materials are rapid, a professional English testing system is gradually perfect and complete, wide support and approval of various circles of the society are obtained, and how to effectively cultivate a large number of high-quality, fine and sharp foreign language talents so as to meet the continuously increasing requirements of the society and correspondingly adjust and change English teaching.
In middle and primary schools english course, in order to improve middle and primary schools student's english level of writing, english mr can demonstrate the model essay of writing on the blackboard often, present most middle and primary schools are when carrying out english model essay show, be through the teacher hand copy to the blackboard on writing the model essay, because the area of writing of blackboard is limited, when carrying out a plurality of model essays show, the phenomenon that the blackboard area is not enough often can appear, and then need write the person and carry out the reduction of suitability to the font, thereby lead to sitting the student of classroom back row can't see the model essay of writing on the blackboard clearly, and then caused the influence to the teaching quality, for this reason, we propose an english writing model essay display device.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a device for displaying an English writing model essay, which aims to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: an English writing model essay display device comprises a teaching blackboard, wherein an expansion plate is arranged inside the teaching blackboard; the transmission device is arranged on the teaching blackboard and is used for adjusting the expansion plate; drive arrangement, drive arrangement installs inside the teaching blackboard, and is used for driving the expansion board and moves to teaching blackboard one side to drive the expansion board and move to teaching blackboard one side, thereby reach the purpose of expanding the teaching blackboard.
Preferably, transmission includes rocker, pivot, first gear, pinion rack, spacing frame, the rocker is installed in teaching blackboard bottom, and rocker one end connection pivot, pivot one end is installed inside the teaching blackboard, and pivot one end is connected on first gear, first gear is outer along the meshing pinion rack, and the pinion rack carries out sliding connection with spacing frame, spacing frame bottom is connected at the teaching blackboard inner wall, drive arrangement connects on the pinion rack to be convenient for carry out regulation and control to the expansion board.
Preferably, drive arrangement includes fixing base, connecting rod, supporting seat, cover fishplate bar, drive plate, spout, slide rail, the fixing base symmetry is installed on the pinion rack, the connecting rod is connected on the fixing base, and connecting rod one end is connected on the cover fishplate bar, connecting rod through connection is inside the supporting seat, and the supporting seat bottom connects on the drive plate, the drive plate carries out sliding connection with the spout, and the teaching blackboard bottom is located to the spout, the expansion board is installed on the drive plate, and expansion board top and slide rail sliding connection, the slide rail bottom is connected at the teaching blackboard inner wall to reach the purpose that expands the teaching blackboard through the motion of expansion board.
Preferably, install the second gear in the pivot, the fixed block is installed to teaching blackboard bottom, and installs the rack body on the fixed block, the rack body carries out sliding connection with the fixed block, and the rack body is outer along meshing second gear to fix expansion plate.
Preferably, one side of the teaching blackboard is provided with a board outlet.
Compared with the prior art, the utility model has the beneficial effects that:
the transmission device and the driving device for expanding the display area of the teaching blackboard are arranged, the rotating rocker drives the first gear to rotate through the rotating shaft, the meshing toothed plate drives the driving plate to move directionally, and the rack body slides to the meshing position of the second gear on the fixed block, so that the rotating shaft is fixed, and the purpose of fixing the expansion plate is achieved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a partial schematic view of the present invention;
FIG. 4 is a partial sectional view of the present invention;
fig. 5 is an enlarged view of the area a in fig. 2.
In the figure: 1-teaching blackboard; 2-expanding the board; 3-a transmission device; 4-a drive device; 5-a rocker; 6-a rotating shaft; 7-a first gear; 8-toothed plate; 9-a limit frame; 10-a fixed seat; 11-a connecting rod; 12-a support base; 13-sleeving and connecting plates; 14-a drive plate; 15-a chute; 16-a slide rail; 17-a second gear; 18-fixing block; 19-a rack body; 20-plate outlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: an English writing model essay display device comprises a teaching blackboard 1, wherein an expansion plate 2 is arranged inside the teaching blackboard 1; the transmission device 3 is arranged on the teaching blackboard 1 and is used for adjusting the expansion board 2; drive arrangement 4, drive arrangement 4 is installed inside teaching blackboard 1, and is used for driving expansion board 2 and moves to teaching blackboard 1 one side, and transmission 3 drives drive arrangement 4 and moves, and then drives expansion board 2 and expand teaching blackboard 1.
The driving device 4 comprises a fixed seat 10, a connecting rod 11, a supporting seat 12, a socket plate 13, a driving plate 14, a sliding groove 15 and a sliding rail 16, wherein the fixed seat 10 is symmetrically installed on the toothed plate 8, the connecting rod 11 is connected on the fixed seat 10, one end of the connecting rod 11 is connected on the socket plate 13, the connecting rod 11 is connected inside the supporting seat 12 in a penetrating way, the bottom of the supporting seat 12 is connected on the driving plate 14, the driving plate 14 is in sliding connection with the sliding groove 15, the sliding groove 15 is arranged at the bottom of the teaching blackboard 1, the expansion plate 2 is installed on the driving plate 14, the top of the expansion plate 2 is in sliding connection with the sliding rail 16, the bottom of the sliding rail 16 is connected to the inner wall of the teaching blackboard 1, the fixed seat 10 is installed on the toothed plate 8, the connecting rod 11 is connected inside the supporting seat 12 in a penetrating way, and then under the effect of the socket plate 13, the driving plate 14 is driven to do directional motion in the sliding groove 15, thereby driving the expansion board 2 to move to one side of the teaching blackboard 1 on the slide rail 16, and achieving the purpose of expanding the teaching blackboard 1.
Install second gear 17 on the pivot 6, fixed block 18 is installed to teaching blackboard 1 bottom, and installs rack body 19 on the fixed block 18, rack body 19 carries out sliding connection with fixed block 18, and rack body 19 is outer along meshing second gear 17, and rack body 19 slides to second gear 17 meshing department on fixed block 18, and meshing second gear 17 makes it fix countershaft 6.
One side of the teaching blackboard 1 is provided with a board outlet 20.
The working principle is as follows: when English model texts are displayed and the display area of a normal teaching blackboard 1 is not enough, the rocker 5 is rotated, the first gear 7 is driven to rotate through the rotating shaft 6, and then the toothed plate 8 is meshed to do directional motion on the limiting frame 9, because the fixing seat 10 is symmetrically arranged on the toothed plate 8, and the connecting rod 11 is connected on the fixing seat 10, one end of the connecting rod 11 is connected on the sleeve connecting plate 13, and is connected inside the supporting seat 12 through the connecting rod 11, so that the driving plate 14 is driven to do directional motion on the sliding chute 15 through the connection and the matching between the fixing seat 10, the connecting rod 11, the supporting seat 12 and the sleeve connecting plate 13, and the bottom of the expansion plate 2 is arranged on the driving plate 14, and then the expansion plate 2 is driven to do directional motion towards the direction of the blackboard outlet 20 under the action of the sliding rail 16, thereby the aim of expanding the teaching blackboard 1 is achieved, when the display area of the teaching blackboard 1 is enough, the rack body 19 slides on the fixing block 18 to the meshing position of the second gear 17, and then the second gear 17 is meshed to fix the rotating shaft 6, so that the expansion plate 2 is fixed.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides an english writing model essay display device which characterized in that includes:
the teaching blackboard comprises a teaching blackboard (1), wherein an expansion plate (2) is arranged inside the teaching blackboard (1);
the transmission device (3) is arranged on the teaching blackboard (1) and is used for adjusting the expansion board (2);
the driving device (4) is installed inside the teaching blackboard (1), and is used for driving the expansion board (2) to move towards one side of the teaching blackboard (1).
2. The apparatus for displaying the paradigm of english writing according to claim 1, wherein: transmission (3) include rocker (5), pivot (6), first gear (7), pinion rack (8), spacing frame (9), install in teaching blackboard (1) bottom rocker (5), and pivot (6) are connected to rocker (5) one end, pivot (6) one end is installed inside teaching blackboard (1), and pivot (6) one end is connected on first gear (7), first gear (7) are outer along meshing pinion rack (8), and pinion rack (8) and spacing frame (9) carry out sliding connection, spacing frame (9) bottom is connected at teaching blackboard (1) inner wall, drive arrangement (4) are connected on pinion rack (8).
3. The apparatus for displaying the paradigm of english writing according to claim 2, wherein: the driving device (4) comprises a fixed seat (10), a connecting rod (11), a supporting seat (12), a sleeving plate (13), a driving plate (14), a sliding chute (15) and a sliding rail (16), the fixed seats (10) are symmetrically arranged on the toothed plate (8), the connecting rods (11) are connected on the fixed seats (10), one end of the connecting rod (11) is connected on the sleeving connection plate (13), the connecting rod (11) is connected inside the supporting seat (12) in a penetrating way, the bottom of the supporting seat (12) is connected to a driving plate (14), the driving plate (14) is connected with a sliding groove (15) in a sliding way, the sliding groove (15) is arranged at the bottom of the teaching blackboard (1), the expansion board (2) is arranged on the driving board (14), and the top of the expansion board (2) is connected with the sliding rail (16) in a sliding way, and the bottom of the sliding rail (16) is connected with the inner wall of the teaching blackboard (1).
4. The apparatus for displaying the paradigm of english writing according to claim 2, wherein: install second gear (17) in pivot (6), fixed block (18) are installed to teaching blackboard (1) bottom, and install rack body (19) on fixed block (18), sliding connection is carried out with fixed block (18) to rack body (19), and rack body (19) outer along meshing second gear (17).
5. The apparatus for displaying the paradigm of english writing according to claim 1, wherein: one side of the teaching blackboard (1) is provided with a board outlet (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120313698.8U CN215474113U (en) | 2021-02-03 | 2021-02-03 | English writing model essay display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120313698.8U CN215474113U (en) | 2021-02-03 | 2021-02-03 | English writing model essay display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215474113U true CN215474113U (en) | 2022-01-11 |
Family
ID=79762084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120313698.8U Expired - Fee Related CN215474113U (en) | 2021-02-03 | 2021-02-03 | English writing model essay display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215474113U (en) |
-
2021
- 2021-02-03 CN CN202120313698.8U patent/CN215474113U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220111 |